 inactive_anon:1967 isolated_anon:0
[  341.304572]  active_file:9 inactive_file:10 isolated_file:8
[  341.304572]  unevictable:0 dirty:0 writeback:0 unstable:0
[  341.304572]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  341.304572]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  341.304572]  free:13786 free_pcp:282 free_cma:0
[  341.309906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.316957] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  341.319346] Call Trace:
[  341.352295] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  341.361634]  <IRQ>
[  341.389468] lowmem_reserve[]: 0 2818 6321 6321
[  341.392049]  dump_stack+0x244/0x39d
[  341.418150] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  341.420304]  ? dump_stack_print_info.cold.1+0x20/0x20
[  341.424858] lowmem_reserve[]: 0 0 3503 3503
[  341.428495]  warn_alloc.cold.116+0xb7/0x1bd
[  341.455786] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  341.460967]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.465281] lowmem_reserve[]: 0 0 0 0
[  341.469610]  ? lock_downgrade+0x900/0x900
[  341.498484] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  341.503337]  ? trace_hardirqs_off+0xb8/0x310
[  341.507141] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  341.511278]  ? trace_hardirqs_off+0xb8/0x310
[  341.524772] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  341.529168]  __alloc_pages_slowpath+0x2651/0x2de0
[  341.544314] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  341.548723]  ? warn_alloc+0x120/0x120
[  341.563718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  341.568556]  ? print_usage_bug+0xc0/0xc0
[  341.577378] 4366 total pagecache pages
[  341.581183]  ? warn_alloc+0x120/0x120
[  341.589776] 0 pages in swap cache
[  341.593819]  ? warn_alloc+0x120/0x120
[  341.597696] Swap cache stats: add 0, delete 0, find 0/0
[  341.601483]  ? print_usage_bug+0xc0/0xc0
[  341.604930] Free swap  = 0kB
[  341.608725]  ? kvm_clock_read+0x18/0x30
[  341.614062] Total swap = 0kB
[  341.618117]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  341.621110] 1965979 pages RAM
[  341.625073]  ? print_usage_bug+0xc0/0xc0
[  341.628072] 0 pages HighMem/MovableOnly
[  341.633076]  ? __lock_acquire+0x62f/0x4c20
[  341.636154] 342854 pages reserved
[  341.640204]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.644152] 0 pages cma reserved
[  341.648503]  ? should_fail+0x22d/0xd01
[  341.651995] aoe: skb alloc failure
[  341.657462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.657479]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.660876] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.664697]  ? __lock_acquire+0x62f/0x4c20
[  341.668242] kworker/0:2 cpuset=/ mems_allowed=0
[  341.673527]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.702900]  ? __lock_acquire+0x62f/0x4c20
[  341.707133]  ? should_fail+0x22d/0xd01
[  341.711013]  ? rcu_irq_exit+0x1a2/0x390
[  341.714993]  ? mark_held_locks+0x130/0x130
[  341.719294]  ? mark_held_locks+0x130/0x130
[  341.723546]  ? mark_held_locks+0xc7/0x130
[  341.727721]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  341.732739]  ? zap_class+0x640/0x640
[  341.736450]  ? print_usage_bug+0xc0/0xc0
[  341.740529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.746604]  ? check_preemption_disabled+0x48/0x280
[  341.751628]  ? __lock_is_held+0xb5/0x140
[  341.755725]  __alloc_pages_nodemask+0xad8/0xea0
[  341.760418]  ? zap_class+0x640/0x640
[  341.764142]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  341.769185]  ? find_held_lock+0x36/0x1c0
[  341.773257]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.777949]  ? lock_downgrade+0x900/0x900
[  341.782121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.787697]  cache_grow_begin+0xa5/0x8c0
[  341.791800]  ? do_raw_spin_unlock+0xa7/0x330
[  341.796229]  fallback_alloc+0x204/0x2e0
[  341.800243]  ____cache_alloc_node+0x1c7/0x1e0
[  341.804748]  kmem_cache_alloc_node+0xe3/0x730
[  341.809261]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.813538]  __alloc_skb+0x119/0x770
[  341.817252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.822589]  ? netdev_alloc_frag+0x1f0/0x1f0
[  341.826996]  ? lock_downgrade+0x900/0x900
[  341.831168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.836706]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.842178]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.847662]  ? addrconf_rs_timer+0x690/0x690
[  341.852082]  ndisc_alloc_skb+0x144/0x340
[  341.856147]  ndisc_send_rs+0x331/0x6e0
[  341.860083]  addrconf_rs_timer+0x314/0x690
[  341.864325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.868569]  call_timer_fn+0x272/0x920
[  341.872458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.876708]  ? process_timeout+0x40/0x40
[  341.880779]  ? mark_held_locks+0xc7/0x130
[  341.884927]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.889427]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.893921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.898170]  ? lockdep_hardirqs_on+0x296/0x5b0
[  341.902753]  ? trace_hardirqs_on+0xbd/0x310
[  341.907076]  ? kasan_check_read+0x11/0x20
[  341.911218]  ? __run_timers+0x7da/0xc70
[  341.915192]  ? trace_hardirqs_off_caller+0x310/0x310
[  341.920301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.924542]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.928775]  __run_timers+0x7e5/0xc70
[  341.932581]  ? timer_fixup_init+0x70/0x70
[  341.936727]  ? kasan_check_read+0x11/0x20
[  341.940874]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  341.946149]  ? rcu_softirq_qs+0x20/0x20
[  341.950145]  ? mark_held_locks+0xc7/0x130
[  341.954295]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.959064]  ? retint_kernel+0x2d/0x2d
[  341.962995]  ? trace_hardirqs_on_caller+0xc0/0x310
[  341.967934]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  341.972787]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.978251]  ? zap_class+0x640/0x640
[  341.981986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.987525]  ? check_preemption_disabled+0x48/0x280
[  341.992548]  ? __lock_is_held+0xb5/0x140
[  341.996605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.002180]  ? check_preemption_disabled+0x48/0x280
[  342.007214]  run_timer_softirq+0x52/0xb0
[  342.011276]  ? rcu_read_lock_sched_held+0x14f/0x180
[  342.016296]  __do_softirq+0x308/0xb7e
[  342.020111]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  342.024602]  ? lock_downgrade+0x900/0x900
[  342.028766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  342.033875]  ? pvclock_read_flags+0x160/0x160
[  342.038374]  ? lapic_next_event+0x5a/0x90
[  342.042523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.048061]  ? kvm_clock_read+0x18/0x30
[  342.052109]  ? kvm_sched_clock_read+0x9/0x20
[  342.056520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.062058]  ? check_preemption_disabled+0x48/0x280
[  342.067083]  irq_exit+0x17f/0x1c0
[  342.070539]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.075400]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.081303]  ? interrupt_entry+0xb5/0xc0
[  342.085365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.090381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.095399]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.100248]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.105272]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.110307]  ? task_prio+0x50/0x50
[  342.113846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.119382]  ? check_preemption_disabled+0x48/0x280
[  342.124408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.129269]  apic_timer_interrupt+0xf/0x20
[  342.133494]  </IRQ>
[  342.135733] RIP: 0010:dump_stack+0x358/0x39d
[  342.140139] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  342.159055] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  342.166762] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  342.174028] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  342.181301] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  342.188599] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  342.195866] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  342.203152]  ? dump_stack+0x34f/0x39d
[  342.206996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.212190]  ? mark_held_locks+0x130/0x130
[  342.216430]  ? mark_held_locks+0x130/0x130
[  342.220679]  dump_header+0x27b/0xf72
[  342.224445]  ? pagefault_out_of_memory+0x197/0x197
[  342.229380]  ? __lock_acquire+0x62f/0x4c20
[  342.233620]  ? percpu_ref_get_many+0x240/0x240
[  342.238213]  ? print_usage_bug+0xc0/0xc0
[  342.242285]  ? zap_class+0x640/0x640
[  342.246007]  ? print_usage_bug+0xc0/0xc0
[  342.250068]  ? print_usage_bug+0xc0/0xc0
[  342.254151]  ? zap_class+0x640/0x640
[  342.257873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.263421]  ? find_held_lock+0x36/0x1c0
[  342.267494]  ? mark_held_locks+0xc7/0x130
[  342.271671]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.276791]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  342.281895]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  342.286482]  ? trace_hardirqs_on+0xbd/0x310
[  342.290806]  ? kasan_check_read+0x11/0x20
[  342.294958]  ? ___ratelimit+0x3b4/0x672
[  342.298933]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.304037]  ? trace_hardirqs_on+0x310/0x310
[  342.308458]  ? lock_downgrade+0x900/0x900
[  342.312612]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  342.317744]  ? ___ratelimit+0x3b9/0x672
[  342.321726]  ? idr_get_free+0xf70/0xf70
[  342.325701]  ? find_held_lock+0x36/0x1c0
[  342.329775]  oom_kill_process.cold.27+0x10/0x903
[  342.334540]  ? zap_class+0x640/0x640
[  342.338254]  ? check_preemption_disabled+0x48/0x280
[  342.343276]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.348225]  ? kasan_check_read+0x11/0x20
[  342.352376]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.357676]  ? oom_evaluate_task+0x540/0x540
[  342.362089]  ? find_held_lock+0x36/0x1c0
[  342.366161]  ? out_of_memory+0x974/0x1430
[  342.370314]  ? lock_downgrade+0x900/0x900
[  342.374466]  ? check_preemption_disabled+0x48/0x280
[  342.379498]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.384431]  ? kasan_check_read+0x11/0x20
[  342.388578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.393862]  ? rcu_softirq_qs+0x20/0x20
[  342.397842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.403377]  ? oom_evaluate_task+0x302/0x540
[  342.407800]  out_of_memory+0xa84/0x1430
[  342.411783]  ? oom_killer_disable+0x3a0/0x3a0
[  342.416280]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  342.421213]  ? __ww_mutex_check_waiters+0x160/0x160
[  342.426241]  __alloc_pages_slowpath+0x232c/0x2de0
[  342.431108]  ? warn_alloc+0x120/0x120
[  342.434911]  ? mark_held_locks+0x130/0x130
[  342.439177]  ? find_get_entry+0xaae/0x1120
[  342.443426]  ? filemap_map_pages+0x1a20/0x1a20
[  342.448009]  ? zap_class+0x640/0x640
[  342.451745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.457279]  ? check_preemption_disabled+0x48/0x280
[  342.462306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.467840]  ? should_fail+0x22d/0xd01
[  342.471740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.476842]  ? zap_class+0x640/0x640
[  342.480574]  ? __lock_is_held+0xb5/0x140
[  342.484688]  ? mark_held_locks+0x130/0x130
[  342.488923]  ? lock_release+0xa00/0xa00
[  342.492893]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.498340]  ? xa_load+0x2ba/0x460
[  342.501874]  ? lock_downgrade+0x900/0x900
[  342.506020]  ? __might_sleep+0x95/0x190
[  342.509994]  __alloc_pages_nodemask+0xad8/0xea0
[  342.514683]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  342.519727]  ? __page_cache_alloc+0x191/0x5c0
[  342.524216]  ? xa_load+0x2e1/0x460
[  342.527778]  ? xa_clear_mark+0x40/0x40
[  342.531674]  ? zap_class+0x640/0x640
[  342.535404]  ? zap_class+0x640/0x640
[  342.539128]  ? zap_class+0x640/0x640
[  342.542833]  ? __do_page_cache_readahead+0x663/0x810
[  342.547930]  ? find_held_lock+0x36/0x1c0
[  342.552003]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  342.557557]  alloc_pages_current+0x173/0x350
[  342.561964]  __page_cache_alloc+0x38c/0x5c0
[  342.566274]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.571198]  ? kasan_check_read+0x11/0x20
[  342.575336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.580621]  ? generic_perform_write+0x6a0/0x6a0
[  342.585408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.590946]  ? check_preemption_disabled+0x48/0x280
[  342.595965]  filemap_fault+0x1595/0x25f0
[  342.600046]  ? __lock_page_or_retry+0xa00/0xa00
[  342.604724]  ? mark_held_locks+0x130/0x130
[  342.608968]  ? filemap_map_pages+0xd6b/0x1a20
[  342.613559]  ? lock_downgrade+0x900/0x900
[  342.617703]  ? check_preemption_disabled+0x48/0x280
[  342.622768]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.627706]  ? kasan_check_read+0x11/0x20
[  342.631852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.637153]  ? rcu_softirq_qs+0x20/0x20
[  342.641132]  ? filemap_map_pages+0xd92/0x1a20
[  342.645647]  ? find_get_entries_tag+0x1400/0x1400
[  342.650546]  ? debug_object_destroy+0x2b0/0x2b0
[  342.655229]  ? lock_pi_update_atomic+0x150/0x150
[  342.660024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.665584]  ? lock_acquire+0x1ed/0x520
[  342.669552]  ? ext4_filemap_fault+0x7a/0xad
[  342.673877]  ? lock_release+0xa00/0xa00
[  342.677848]  ? perf_trace_sched_process_exec+0x860/0x860
[  342.683299]  ? print_usage_bug+0xc0/0xc0
[  342.687361]  ? print_usage_bug+0xc0/0xc0
[  342.691450]  ? down_read+0x8d/0x120
[  342.695093]  ? ext4_filemap_fault+0x7a/0xad
[  342.699435]  ? __down_interruptible+0x700/0x700
[  342.704112]  ext4_filemap_fault+0x82/0xad
[  342.708257]  __do_fault+0x100/0x6b0
[  342.711885]  ? pmd_devmap_trans_unstable+0x220/0x220
[  342.716990]  ? mark_held_locks+0x130/0x130
[  342.721224]  ? mark_held_locks+0x130/0x130
[  342.725476]  ? __might_fault+0x12b/0x1e0
[  342.729540]  ? lock_downgrade+0x900/0x900
[  342.733693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.739248]  __handle_mm_fault+0x3ea0/0x5be0
[  342.743685]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  342.748537]  ? _copy_to_user+0xc8/0x110
[  342.752537]  ? zap_class+0x640/0x640
[  342.756247]  ? zap_class+0x640/0x640
[  342.759963]  ? __x64_sys_futex+0x53e/0x6a0
[  342.764221]  ? find_held_lock+0x36/0x1c0
[  342.768324]  ? handle_mm_fault+0x42a/0xc70
[  342.772565]  ? lock_downgrade+0x900/0x900
[  342.776718]  ? check_preemption_disabled+0x48/0x280
[  342.781741]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  342.786703]  ? kasan_check_read+0x11/0x20
[  342.790856]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  342.796153]  ? rcu_softirq_qs+0x20/0x20
[  342.800130]  ? trace_hardirqs_off_caller+0x310/0x310
[  342.805269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.810822]  ? check_preemption_disabled+0x48/0x280
[  342.815842]  handle_mm_fault+0x54f/0xc70
[  342.819925]  ? __handle_mm_fault+0x5be0/0x5be0
[  342.824531]  ? find_vma+0x34/0x190
[  342.828076]  __do_page_fault+0x5e8/0xe60
[  342.832140]  ? trace_hardirqs_off+0xb8/0x310
[  342.836548]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.842109]  do_page_fault+0xf2/0x7e0
[  342.845938]  ? vmalloc_sync_all+0x30/0x30
[  342.850086]  ? error_entry+0x70/0xd0
[  342.853809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.858819]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.863774]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.868707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.873561]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.878578]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.884034]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.889062]  ? prepare_exit_to_usermode+0x291/0x3b0
[  342.894089]  ? page_fault+0x8/0x30
[  342.897639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.902491]  ? page_fault+0x8/0x30
[  342.906031]  page_fault+0x1e/0x30
[  342.909489] RIP: 0033:0x45ddf3
[  342.912705] Code: Bad RIP value.
[  342.916063] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  342.921473] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  342.928754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  342.936020] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  342.943288] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  342.950555] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  342.957847] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  342.957912] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.964951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.964971] Workqueue: events kernfs_notify_workfn
[  342.964978] Call Trace:
[  342.964986]  <IRQ>
[  342.965006]  dump_stack+0x244/0x39d
[  342.971580] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.980856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  342.985759] syz-fuzzer cpuset=/ mems_allowed=0
[  342.988340]  warn_alloc.cold.116+0xb7/0x1bd
[  343.018332]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.023186]  ? lock_downgrade+0x900/0x900
[  343.027347]  ? trace_hardirqs_off+0xb8/0x310
[  343.031763]  ? trace_hardirqs_off+0xb8/0x310
[  343.036207]  __alloc_pages_slowpath+0x2651/0x2de0
[  343.041078]  ? warn_alloc+0x120/0x120
[  343.044917]  ? warn_alloc+0x120/0x120
[  343.048723]  ? warn_alloc+0x120/0x120
[  343.052560]  ? print_usage_bug+0xc0/0xc0
[  343.056624]  ? print_usage_bug+0xc0/0xc0
[  343.060708]  ? ktime_get+0x2c1/0x400
[  343.064433]  ? check_preemption_disabled+0x48/0x280
[  343.069449]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.073968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.079509]  ? should_fail+0x22d/0xd01
[  343.083402]  ? kasan_check_read+0x11/0x20
[  343.087555]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.092694]  ? __lock_acquire+0x62f/0x4c20
[  343.096952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.102079]  ? should_fail+0x22d/0xd01
[  343.105980]  ? print_usage_bug+0xc0/0xc0
[  343.110054]  ? mark_held_locks+0x130/0x130
[  343.114298]  ? mark_held_locks+0x130/0x130
[  343.118550]  ? check_preemption_disabled+0x48/0x280
[  343.123575]  ? zap_class+0x640/0x640
[  343.127294]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  343.132054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.137608]  ? check_preemption_disabled+0x48/0x280
[  343.142645]  ? __lock_is_held+0xb5/0x140
[  343.146739]  __alloc_pages_nodemask+0xad8/0xea0
[  343.151439]  ? zap_class+0x640/0x640
[  343.155156]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  343.160218]  ? find_held_lock+0x36/0x1c0
[  343.164307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  343.168978]  ? lock_downgrade+0x900/0x900
[  343.173136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.178693]  cache_grow_begin+0xa5/0x8c0
[  343.182793]  ? do_raw_spin_unlock+0xa7/0x330
[  343.187208]  fallback_alloc+0x204/0x2e0
[  343.191187]  ____cache_alloc_node+0x1c7/0x1e0
[  343.195697]  kmem_cache_alloc_node+0xe3/0x730
[  343.200192]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.204785]  __alloc_skb+0x119/0x770
[  343.208499]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  343.213866]  ? netdev_alloc_frag+0x1f0/0x1f0
[  343.218283]  ? vprintk_default+0x28/0x30
[  343.222352]  ? vprintk_func+0x85/0x181
[  343.226236]  ? printk+0xa7/0xcf
[  343.229517]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  343.234276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.239853]  new_skb+0x26/0x1c0
[  343.243139]  aoecmd_cfg+0x279/0x7f0
[  343.246766]  ? find_held_lock+0x36/0x1c0
[  343.250826]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  343.255196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.260746]  ? __lock_is_held+0xb5/0x140
[  343.264819]  discover_timer+0x50/0x60
[  343.268634]  call_timer_fn+0x272/0x920
[  343.272530]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.277371]  ? process_timeout+0x40/0x40
[  343.281455]  ? mark_held_locks+0xc7/0x130
[  343.285606]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.290098]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.294597]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.299439]  ? lockdep_hardirqs_on+0x296/0x5b0
[  343.304036]  ? trace_hardirqs_on+0xbd/0x310
[  343.308398]  ? kasan_check_read+0x11/0x20
[  343.312543]  ? __run_timers+0x7da/0xc70
[  343.316532]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.321658]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  343.326497]  __run_timers+0x7e5/0xc70
[  343.330304]  ? timer_fixup_init+0x70/0x70
[  343.334454]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.339468]  ? zap_class+0x640/0x640
[  343.343180]  ? print_usage_bug+0xc0/0xc0
[  343.347254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  343.352462]  ? find_held_lock+0x36/0x1c0
[  343.356532]  ? zap_class+0x640/0x640
[  343.360309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.365858]  ? check_preemption_disabled+0x48/0x280
[  343.370933]  ? __lock_is_held+0xb5/0x140
[  343.375011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.380552]  ? check_preemption_disabled+0x48/0x280
[  343.385577]  run_timer_softirq+0x52/0xb0
[  343.389634]  ? rcu_read_lock_sched_held+0x14f/0x180
[  343.394663]  __do_softirq+0x308/0xb7e
[  343.398493]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  343.402983]  ? lock_downgrade+0x900/0x900
[  343.407152]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  343.412272]  ? pvclock_read_flags+0x160/0x160
[  343.416792]  ? lapic_next_event+0x5a/0x90
[  343.420947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.426494]  ? kvm_clock_read+0x18/0x30
[  343.430469]  ? kvm_sched_clock_read+0x9/0x20
[  343.434879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.440421]  ? check_preemption_disabled+0x48/0x280
[  343.445451]  irq_exit+0x17f/0x1c0
[  343.448956]  smp_apic_timer_interrupt+0x1cb/0x760
[  343.453826]  ? smp_reschedule_interrupt+0x109/0x650
[  343.458843]  ? smp_call_function_single_interrupt+0x650/0x650
[  343.464744]  ? interrupt_entry+0xb5/0xc0
[  343.468813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.473827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  343.478847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.483695]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.488712]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.493741]  ? task_prio+0x50/0x50
[  343.497287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.502833]  ? check_preemption_disabled+0x48/0x280
[  343.507888]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.512747]  apic_timer_interrupt+0xf/0x20
[  343.516992]  </IRQ>
[  343.519235] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  343.523905] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  343.542826] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  343.550552] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  343.557820] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  343.565089] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  343.572360] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  343.579633] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  343.586958]  ? mark_held_locks+0x130/0x130
[  343.591204]  ? kernfs_notify_workfn+0xf0/0x440
[  343.595794]  ? mark_held_locks+0x130/0x130
[  343.600031]  ? set_next_entity+0x493/0xc70
[  343.604275]  ? mutex_trylock+0x2b0/0x2b0
[  343.608356]  ? update_load_avg+0x2470/0x2470
[  343.612773]  ? zap_class+0x640/0x640
[  343.616501]  ? zap_class+0x640/0x640
[  343.620220]  ? print_usage_bug+0xc0/0xc0
[  343.624297]  ? find_held_lock+0x36/0x1c0
[  343.628373]  ? mark_held_locks+0xc7/0x130
[  343.632525]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.637023]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.641527]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.646131]  ? trace_hardirqs_on+0xbd/0x310
[  343.650454]  ? kasan_check_read+0x11/0x20
[  343.654606]  ? kernfs_notify_workfn+0xe2/0x440
[  343.659190]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.664319]  mutex_lock_nested+0x16/0x20
[  343.668397]  ? _raw_spin_unlock_irq+0x60/0x80
[  343.672894]  ? mutex_lock_nested+0x16/0x20
[  343.677138]  kernfs_notify_workfn+0xf0/0x440
[  343.681563]  process_one_work+0xc90/0x1c40
[  343.685800]  ? mark_held_locks+0x130/0x130
[  343.690043]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  343.694718]  ? __switch_to_asm+0x40/0x70
[  343.698775]  ? __switch_to_asm+0x34/0x70
[  343.702836]  ? __switch_to_asm+0x40/0x70
[  343.706919]  ? __switch_to_asm+0x34/0x70
[  343.710980]  ? __switch_to_asm+0x40/0x70
[  343.715038]  ? __switch_to_asm+0x34/0x70
[  343.719105]  ? __switch_to_asm+0x40/0x70
[  343.723166]  ? __switch_to_asm+0x34/0x70
[  343.727228]  ? __switch_to_asm+0x40/0x70
[  343.731316]  ? __schedule+0x8d7/0x21d0
[  343.735217]  ? lock_downgrade+0x900/0x900
[  343.739372]  ? zap_class+0x640/0x640
[  343.744172]  ? zap_class+0x640/0x640
[  343.747889]  ? find_held_lock+0x36/0x1c0
[  343.751971]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.756611]  ? lock_acquire+0x1ed/0x520
[  343.760599]  ? worker_thread+0x3e0/0x1390
[  343.764760]  ? kasan_check_read+0x11/0x20
[  343.768923]  ? do_raw_spin_lock+0x14f/0x350
[  343.773248]  ? kasan_check_read+0x11/0x20
[  343.777406]  ? rwlock_bug.part.2+0x90/0x90
[  343.781660]  ? trace_hardirqs_on+0x310/0x310
[  343.786084]  worker_thread+0x17f/0x1390
[  343.790065]  ? __switch_to_asm+0x34/0x70
[  343.794158]  ? process_one_work+0x1c40/0x1c40
[  343.798679]  ? zap_class+0x640/0x640
[  343.802425]  ? __kthread_parkme+0xce/0x1a0
[  343.806674]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.811780]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  343.816936]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  343.821539]  ? trace_hardirqs_on+0xbd/0x310
[  343.825878]  ? kasan_check_read+0x11/0x20
[  343.830030]  ? __kthread_parkme+0xce/0x1a0
[  343.834269]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.839381]  ? trace_hardirqs_off_caller+0x310/0x310
[  343.844530]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  343.849639]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.855187]  ? __kthread_parkme+0xfb/0x1a0
[  343.859428]  ? process_one_work+0x1c40/0x1c40
[  343.863959]  kthread+0x35a/0x440
[  343.867345]  ? kthread_stop+0x900/0x900
[  343.871342]  ret_from_fork+0x3a/0x50
[  343.875067] warn_alloc_show_mem: 1 callbacks suppressed
[  343.875080] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  343.875081] Mem-Info:
[  343.875113] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  343.875113]  active_file:9 inactive_file:10 isolated_file:8
[  343.875113]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.875113]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  343.875113]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  343.875113]  free:13786 free_pcp:282 free_cma:0
[  343.880450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.887477] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.889890] Call Trace:
[  343.922874] 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
[  343.932228]  <IRQ>
[  343.960066] lowmem_reserve[]: 0 2818 6321 6321
[  343.962701]  dump_stack+0x244/0x39d
[  343.988792] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  343.990947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  343.995489] lowmem_reserve[]: 0 0 3503 3503
[  343.999114]  warn_alloc.cold.116+0xb7/0x1bd
[  344.026422] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  344.031629]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  344.035917] lowmem_reserve[]: 0 0 0 0
[  344.040249]  ? lock_downgrade+0x900/0x900
[  344.069135] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  344.073987]  ? trace_hardirqs_off+0xb8/0x310
[  344.077756] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  344.081905]  ? trace_hardirqs_off+0xb8/0x310
[  344.095415] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  344.099839]  __alloc_pages_slowpath+0x2651/0x2de0
[  344.114991] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.119428]  ? warn_alloc+0x120/0x120
[  344.134390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.139238]  ? print_usage_bug+0xc0/0xc0
[  344.148047] 4366 total pagecache pages
[  344.151847]  ? warn_alloc+0x120/0x120
[  344.160400] 0 pages in swap cache
[  344.164459]  ? warn_alloc+0x120/0x120
[  344.168320] Swap cache stats: add 0, delete 0, find 0/0
[  344.172112]  ? print_usage_bug+0xc0/0xc0
[  344.175537] Free swap  = 0kB
[  344.179346]  ? kvm_clock_read+0x18/0x30
[  344.184690] Total swap = 0kB
[  344.188765]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  344.191753] 1965979 pages RAM
[  344.195739]  ? print_usage_bug+0xc0/0xc0
[  344.198746] 0 pages HighMem/MovableOnly
[  344.203764]  ? __lock_acquire+0x62f/0x4c20
[  344.206839] 342854 pages reserved
[  344.210925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.214875] 0 pages cma reserved
[  344.219101]  ? should_fail+0x22d/0xd01
[  344.222580] aoe: skb alloc failure
[  344.228045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.228062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.231468] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.235290]  ? __lock_acquire+0x62f/0x4c20
[  344.238800] kworker/0:2 cpuset=/ mems_allowed=0
[  344.244068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.273462]  ? __lock_acquire+0x62f/0x4c20
[  344.277743]  ? should_fail+0x22d/0xd01
[  344.281669]  ? rcu_irq_exit+0x1a2/0x390
[  344.285663]  ? mark_held_locks+0x130/0x130
[  344.289900]  ? mark_held_locks+0x130/0x130
[  344.294139]  ? mark_held_locks+0xc7/0x130
[  344.298287]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  344.303299]  ? zap_class+0x640/0x640
[  344.307029]  ? print_usage_bug+0xc0/0xc0
[  344.311105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.316649]  ? check_preemption_disabled+0x48/0x280
[  344.321713]  ? __lock_is_held+0xb5/0x140
[  344.325791]  __alloc_pages_nodemask+0xad8/0xea0
[  344.330488]  ? zap_class+0x640/0x640
[  344.334210]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  344.339245]  ? find_held_lock+0x36/0x1c0
[  344.343329]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.348020]  ? lock_downgrade+0x900/0x900
[  344.352176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.357721]  cache_grow_begin+0xa5/0x8c0
[  344.361790]  ? do_raw_spin_unlock+0xa7/0x330
[  344.366202]  fallback_alloc+0x204/0x2e0
[  344.370209]  ____cache_alloc_node+0x1c7/0x1e0
[  344.374709]  kmem_cache_alloc_node+0xe3/0x730
[  344.379218]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.383464]  __alloc_skb+0x119/0x770
[  344.387176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.392461]  ? netdev_alloc_frag+0x1f0/0x1f0
[  344.396870]  ? lock_downgrade+0x900/0x900
[  344.401029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.406566]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.412022]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.417476]  ? addrconf_rs_timer+0x690/0x690
[  344.421934]  ndisc_alloc_skb+0x144/0x340
[  344.426000]  ndisc_send_rs+0x331/0x6e0
[  344.429910]  addrconf_rs_timer+0x314/0x690
[  344.434169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.438420]  call_timer_fn+0x272/0x920
[  344.442361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.446595]  ? process_timeout+0x40/0x40
[  344.450673]  ? mark_held_locks+0xc7/0x130
[  344.454826]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.459320]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.463832]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.468072]  ? lockdep_hardirqs_on+0x296/0x5b0
[  344.472681]  ? trace_hardirqs_on+0xbd/0x310
[  344.477006]  ? kasan_check_read+0x11/0x20
[  344.481154]  ? __run_timers+0x7da/0xc70
[  344.485134]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.490243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.494485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.498723]  __run_timers+0x7e5/0xc70
[  344.502532]  ? timer_fixup_init+0x70/0x70
[  344.506691]  ? kasan_check_read+0x11/0x20
[  344.510845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.516121]  ? rcu_softirq_qs+0x20/0x20
[  344.520104]  ? mark_held_locks+0xc7/0x130
[  344.524255]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.529029]  ? retint_kernel+0x2d/0x2d
[  344.532923]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.537854]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  344.542629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.548109]  ? zap_class+0x640/0x640
[  344.551860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.557398]  ? check_preemption_disabled+0x48/0x280
[  344.562432]  ? __lock_is_held+0xb5/0x140
[  344.566498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.572038]  ? check_preemption_disabled+0x48/0x280
[  344.577059]  run_timer_softirq+0x52/0xb0
[  344.581121]  ? rcu_read_lock_sched_held+0x14f/0x180
[  344.586154]  __do_softirq+0x308/0xb7e
[  344.589973]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  344.594489]  ? lock_downgrade+0x900/0x900
[  344.598660]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  344.603792]  ? pvclock_read_flags+0x160/0x160
[  344.608288]  ? lapic_next_event+0x5a/0x90
[  344.612602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.618142]  ? kvm_clock_read+0x18/0x30
[  344.622115]  ? kvm_sched_clock_read+0x9/0x20
[  344.626522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.632055]  ? check_preemption_disabled+0x48/0x280
[  344.637089]  irq_exit+0x17f/0x1c0
[  344.640541]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.645401]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.651299]  ? interrupt_entry+0xb5/0xc0
[  344.655356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.660367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.665392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.670254]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.675296]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.680307]  ? task_prio+0x50/0x50
[  344.683861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.689405]  ? check_preemption_disabled+0x48/0x280
[  344.694458]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.699303]  apic_timer_interrupt+0xf/0x20
[  344.703552]  </IRQ>
[  344.705787] RIP: 0010:dump_stack+0x358/0x39d
[  344.710217] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  344.729128] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  344.736845] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  344.744106] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  344.751371] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  344.758677] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  344.765948] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  344.773229]  ? dump_stack+0x34f/0x39d
[  344.777039]  ? dump_stack_print_info.cold.1+0x20/0x20
[  344.782272]  ? mark_held_locks+0x130/0x130
[  344.786505]  ? mark_held_locks+0x130/0x130
[  344.790745]  dump_header+0x27b/0xf72
[  344.794489]  ? pagefault_out_of_memory+0x197/0x197
[  344.799446]  ? __lock_acquire+0x62f/0x4c20
[  344.803688]  ? percpu_ref_get_many+0x240/0x240
[  344.808271]  ? print_usage_bug+0xc0/0xc0
[  344.812363]  ? zap_class+0x640/0x640
[  344.816078]  ? print_usage_bug+0xc0/0xc0
[  344.820167]  ? print_usage_bug+0xc0/0xc0
[  344.824242]  ? zap_class+0x640/0x640
[  344.827992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.833530]  ? find_held_lock+0x36/0x1c0
[  344.837612]  ? mark_held_locks+0xc7/0x130
[  344.841757]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  344.846875]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  344.852010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  344.856607]  ? trace_hardirqs_on+0xbd/0x310
[  344.860928]  ? kasan_check_read+0x11/0x20
[  344.865072]  ? ___ratelimit+0x3b4/0x672
[  344.869060]  ? trace_hardirqs_off_caller+0x310/0x310
[  344.874180]  ? trace_hardirqs_on+0x310/0x310
[  344.878590]  ? lock_downgrade+0x900/0x900
[  344.882750]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  344.887855]  ? ___ratelimit+0x3b9/0x672
[  344.891843]  ? idr_get_free+0xf70/0xf70
[  344.895816]  ? find_held_lock+0x36/0x1c0
[  344.899901]  oom_kill_process.cold.27+0x10/0x903
[  344.904662]  ? zap_class+0x640/0x640
[  344.908376]  ? check_preemption_disabled+0x48/0x280
[  344.913416]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.918353]  ? kasan_check_read+0x11/0x20
[  344.922514]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.927801]  ? oom_evaluate_task+0x540/0x540
[  344.932211]  ? find_held_lock+0x36/0x1c0
[  344.936278]  ? out_of_memory+0x974/0x1430
[  344.940433]  ? lock_downgrade+0x900/0x900
[  344.944603]  ? check_preemption_disabled+0x48/0x280
[  344.949622]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  344.954568]  ? kasan_check_read+0x11/0x20
[  344.958716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  344.963989]  ? rcu_softirq_qs+0x20/0x20
[  344.967969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.973506]  ? oom_evaluate_task+0x302/0x540
[  344.977918]  out_of_memory+0xa84/0x1430
[  344.981901]  ? oom_killer_disable+0x3a0/0x3a0
[  344.986396]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  344.991339]  ? __ww_mutex_check_waiters+0x160/0x160
[  344.996368]  __alloc_pages_slowpath+0x232c/0x2de0
[  345.001240]  ? warn_alloc+0x120/0x120
[  345.005044]  ? mark_held_locks+0x130/0x130
[  345.009333]  ? find_get_entry+0xaae/0x1120
[  345.013610]  ? filemap_map_pages+0x1a20/0x1a20
[  345.018202]  ? zap_class+0x640/0x640
[  345.021926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.027467]  ? check_preemption_disabled+0x48/0x280
[  345.032482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.038019]  ? should_fail+0x22d/0xd01
[  345.041911]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.047016]  ? zap_class+0x640/0x640
[  345.050784]  ? __lock_is_held+0xb5/0x140
[  345.054856]  ? mark_held_locks+0x130/0x130
[  345.059101]  ? lock_release+0xa00/0xa00
[  345.063077]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.068526]  ? xa_load+0x2ba/0x460
[  345.072073]  ? lock_downgrade+0x900/0x900
[  345.076239]  ? __might_sleep+0x95/0x190
[  345.080214]  __alloc_pages_nodemask+0xad8/0xea0
[  345.084888]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  345.089900]  ? __page_cache_alloc+0x191/0x5c0
[  345.094387]  ? xa_load+0x2e1/0x460
[  345.097925]  ? xa_clear_mark+0x40/0x40
[  345.101810]  ? zap_class+0x640/0x640
[  345.105528]  ? zap_class+0x640/0x640
[  345.109269]  ? zap_class+0x640/0x640
[  345.112981]  ? __do_page_cache_readahead+0x663/0x810
[  345.118090]  ? find_held_lock+0x36/0x1c0
[  345.122184]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  345.127739]  alloc_pages_current+0x173/0x350
[  345.132158]  __page_cache_alloc+0x38c/0x5c0
[  345.136496]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.141428]  ? kasan_check_read+0x11/0x20
[  345.145575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.150853]  ? generic_perform_write+0x6a0/0x6a0
[  345.155608]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.161171]  ? check_preemption_disabled+0x48/0x280
[  345.166195]  filemap_fault+0x1595/0x25f0
[  345.170269]  ? __lock_page_or_retry+0xa00/0xa00
[  345.174938]  ? mark_held_locks+0x130/0x130
[  345.179199]  ? filemap_map_pages+0xd6b/0x1a20
[  345.183722]  ? lock_downgrade+0x900/0x900
[  345.187900]  ? check_preemption_disabled+0x48/0x280
[  345.192918]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.197859]  ? kasan_check_read+0x11/0x20
[  345.202003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.207279]  ? rcu_softirq_qs+0x20/0x20
[  345.211311]  ? filemap_map_pages+0xd92/0x1a20
[  345.215823]  ? find_get_entries_tag+0x1400/0x1400
[  345.220677]  ? debug_object_destroy+0x2b0/0x2b0
[  345.225349]  ? lock_pi_update_atomic+0x150/0x150
[  345.230104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.235649]  ? lock_acquire+0x1ed/0x520
[  345.239626]  ? ext4_filemap_fault+0x7a/0xad
[  345.243982]  ? lock_release+0xa00/0xa00
[  345.247998]  ? perf_trace_sched_process_exec+0x860/0x860
[  345.253448]  ? print_usage_bug+0xc0/0xc0
[  345.257506]  ? print_usage_bug+0xc0/0xc0
[  345.261573]  ? down_read+0x8d/0x120
[  345.265201]  ? ext4_filemap_fault+0x7a/0xad
[  345.269517]  ? __down_interruptible+0x700/0x700
[  345.274189]  ext4_filemap_fault+0x82/0xad
[  345.278338]  __do_fault+0x100/0x6b0
[  345.282016]  ? pmd_devmap_trans_unstable+0x220/0x220
[  345.287138]  ? mark_held_locks+0x130/0x130
[  345.291398]  ? mark_held_locks+0x130/0x130
[  345.295673]  ? __might_fault+0x12b/0x1e0
[  345.299734]  ? lock_downgrade+0x900/0x900
[  345.303924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.309458]  __handle_mm_fault+0x3ea0/0x5be0
[  345.313995]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  345.318850]  ? _copy_to_user+0xc8/0x110
[  345.322834]  ? zap_class+0x640/0x640
[  345.326544]  ? zap_class+0x640/0x640
[  345.330268]  ? __x64_sys_futex+0x53e/0x6a0
[  345.334544]  ? find_held_lock+0x36/0x1c0
[  345.338630]  ? handle_mm_fault+0x42a/0xc70
[  345.342873]  ? lock_downgrade+0x900/0x900
[  345.347023]  ? check_preemption_disabled+0x48/0x280
[  345.352046]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  345.356976]  ? kasan_check_read+0x11/0x20
[  345.361154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  345.366444]  ? rcu_softirq_qs+0x20/0x20
[  345.370424]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.375544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.381093]  ? check_preemption_disabled+0x48/0x280
[  345.386119]  handle_mm_fault+0x54f/0xc70
[  345.390185]  ? __handle_mm_fault+0x5be0/0x5be0
[  345.394773]  ? find_vma+0x34/0x190
[  345.398324]  __do_page_fault+0x5e8/0xe60
[  345.402386]  ? trace_hardirqs_off+0xb8/0x310
[  345.406815]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.412366]  do_page_fault+0xf2/0x7e0
[  345.416181]  ? vmalloc_sync_all+0x30/0x30
[  345.420336]  ? error_entry+0x70/0xd0
[  345.424056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.429072]  ? trace_hardirqs_on_caller+0xc0/0x310
[  345.434006]  ? syscall_return_slowpath+0x5e0/0x5e0
[  345.438954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.443817]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.448865]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.454321]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  345.459358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  345.464375]  ? page_fault+0x8/0x30
[  345.467916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.472764]  ? page_fault+0x8/0x30
[  345.476308]  page_fault+0x1e/0x30
[  345.479768] RIP: 0033:0x45ddf3
[  345.482967] Code: Bad RIP value.
[  345.486323] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  345.491680] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  345.498959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  345.506223] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  345.513487] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  345.520747] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  345.528029] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  345.528105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  345.535123] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  345.535139] Workqueue: events kernfs_notify_workfn
[  345.535146] Call Trace:
[  345.535160]  <IRQ>
[  345.535178]  dump_stack+0x244/0x39d
[  345.541938] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  345.551089]  ? dump_stack_print_info.cold.1+0x20/0x20
[  345.556025] syz-fuzzer cpuset=/ mems_allowed=0
[  345.558615]  warn_alloc.cold.116+0xb7/0x1bd
[  345.588658]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.593537]  ? lock_downgrade+0x900/0x900
[  345.597708]  ? trace_hardirqs_off+0xb8/0x310
[  345.602138]  ? trace_hardirqs_off+0xb8/0x310
[  345.606561]  __alloc_pages_slowpath+0x2651/0x2de0
[  345.611426]  ? warn_alloc+0x120/0x120
[  345.615233]  ? warn_alloc+0x120/0x120
[  345.619034]  ? warn_alloc+0x120/0x120
[  345.622848]  ? print_usage_bug+0xc0/0xc0
[  345.626996]  ? print_usage_bug+0xc0/0xc0
[  345.631053]  ? ktime_get+0x2c1/0x400
[  345.634769]  ? check_preemption_disabled+0x48/0x280
[  345.639782]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.644291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.649841]  ? should_fail+0x22d/0xd01
[  345.653738]  ? kasan_check_read+0x11/0x20
[  345.657889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.663008]  ? __lock_acquire+0x62f/0x4c20
[  345.667257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.672356]  ? should_fail+0x22d/0xd01
[  345.676247]  ? print_usage_bug+0xc0/0xc0
[  345.680312]  ? mark_held_locks+0x130/0x130
[  345.684560]  ? mark_held_locks+0x130/0x130
[  345.688792]  ? check_preemption_disabled+0x48/0x280
[  345.693815]  ? zap_class+0x640/0x640
[  345.697531]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  345.702312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.707847]  ? check_preemption_disabled+0x48/0x280
[  345.712867]  ? __lock_is_held+0xb5/0x140
[  345.716947]  __alloc_pages_nodemask+0xad8/0xea0
[  345.721621]  ? zap_class+0x640/0x640
[  345.725355]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  345.730375]  ? find_held_lock+0x36/0x1c0
[  345.734464]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.739140]  ? lock_downgrade+0x900/0x900
[  345.743444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.748985]  cache_grow_begin+0xa5/0x8c0
[  345.753042]  ? do_raw_spin_unlock+0xa7/0x330
[  345.757484]  fallback_alloc+0x204/0x2e0
[  345.761463]  ____cache_alloc_node+0x1c7/0x1e0
[  345.765958]  kmem_cache_alloc_node+0xe3/0x730
[  345.770452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.775056]  __alloc_skb+0x119/0x770
[  345.778768]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  345.784134]  ? netdev_alloc_frag+0x1f0/0x1f0
[  345.788548]  ? vprintk_default+0x28/0x30
[  345.792607]  ? vprintk_func+0x85/0x181
[  345.796492]  ? printk+0xa7/0xcf
[  345.799770]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  345.804530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.810071]  new_skb+0x26/0x1c0
[  345.813368]  aoecmd_cfg+0x279/0x7f0
[  345.816997]  ? find_held_lock+0x36/0x1c0
[  345.821066]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  345.825401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.830954]  ? __lock_is_held+0xb5/0x140
[  345.835020]  discover_timer+0x50/0x60
[  345.838815]  call_timer_fn+0x272/0x920
[  345.842700]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.847543]  ? process_timeout+0x40/0x40
[  345.851649]  ? mark_held_locks+0xc7/0x130
[  345.855877]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.860396]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.864882]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.869733]  ? lockdep_hardirqs_on+0x296/0x5b0
[  345.874330]  ? trace_hardirqs_on+0xbd/0x310
[  345.878666]  ? kasan_check_read+0x11/0x20
[  345.882832]  ? __run_timers+0x7da/0xc70
[  345.886799]  ? trace_hardirqs_off_caller+0x310/0x310
[  345.891995]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  345.896856]  __run_timers+0x7e5/0xc70
[  345.900668]  ? timer_fixup_init+0x70/0x70
[  345.904815]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.909824]  ? zap_class+0x640/0x640
[  345.913537]  ? print_usage_bug+0xc0/0xc0
[  345.917593]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.922800]  ? find_held_lock+0x36/0x1c0
[  345.926886]  ? zap_class+0x640/0x640
[  345.930637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.936202]  ? check_preemption_disabled+0x48/0x280
[  345.941261]  ? __lock_is_held+0xb5/0x140
[  345.945325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.950894]  ? check_preemption_disabled+0x48/0x280
[  345.955938]  run_timer_softirq+0x52/0xb0
[  345.960011]  ? rcu_read_lock_sched_held+0x14f/0x180
[  345.965026]  __do_softirq+0x308/0xb7e
[  345.968831]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  345.973341]  ? lock_downgrade+0x900/0x900
[  345.977491]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  345.982613]  ? pvclock_read_flags+0x160/0x160
[  345.987113]  ? lapic_next_event+0x5a/0x90
[  345.991274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.996816]  ? kvm_clock_read+0x18/0x30
[  346.000786]  ? kvm_sched_clock_read+0x9/0x20
[  346.005196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.010736]  ? check_preemption_disabled+0x48/0x280
[  346.015831]  irq_exit+0x17f/0x1c0
[  346.019291]  smp_apic_timer_interrupt+0x1cb/0x760
[  346.024163]  ? smp_reschedule_interrupt+0x109/0x650
[  346.029198]  ? smp_call_function_single_interrupt+0x650/0x650
[  346.035098]  ? interrupt_entry+0xb5/0xc0
[  346.039161]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.044177]  ? trace_hardirqs_off_caller+0xbb/0x310
[  346.049194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.054035]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.059076]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.064110]  ? task_prio+0x50/0x50
[  346.067673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.073214]  ? check_preemption_disabled+0x48/0x280
[  346.078234]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.083086]  apic_timer_interrupt+0xf/0x20
[  346.087311]  </IRQ>
[  346.089554] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  346.094221] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  346.113137] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  346.120841] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  346.128110] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  346.135376] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  346.142661] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  346.149931] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  346.157222]  ? mark_held_locks+0x130/0x130
[  346.161453]  ? kernfs_notify_workfn+0xf0/0x440
[  346.166053]  ? mark_held_locks+0x130/0x130
[  346.170306]  ? set_next_entity+0x493/0xc70
[  346.174541]  ? mutex_trylock+0x2b0/0x2b0
[  346.178599]  ? update_load_avg+0x2470/0x2470
[  346.183011]  ? zap_class+0x640/0x640
[  346.186728]  ? zap_class+0x640/0x640
[  346.190443]  ? print_usage_bug+0xc0/0xc0
[  346.194530]  ? find_held_lock+0x36/0x1c0
[  346.198600]  ? mark_held_locks+0xc7/0x130
[  346.202763]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.207252]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.211749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.216326]  ? trace_hardirqs_on+0xbd/0x310
[  346.220666]  ? kasan_check_read+0x11/0x20
[  346.224854]  ? kernfs_notify_workfn+0xe2/0x440
[  346.229448]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.234618]  mutex_lock_nested+0x16/0x20
[  346.238715]  ? _raw_spin_unlock_irq+0x60/0x80
[  346.243206]  ? mutex_lock_nested+0x16/0x20
[  346.247436]  kernfs_notify_workfn+0xf0/0x440
[  346.251876]  process_one_work+0xc90/0x1c40
[  346.256106]  ? mark_held_locks+0x130/0x130
[  346.260367]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  346.265032]  ? __switch_to_asm+0x40/0x70
[  346.269099]  ? __switch_to_asm+0x34/0x70
[  346.273158]  ? __switch_to_asm+0x40/0x70
[  346.277228]  ? __switch_to_asm+0x34/0x70
[  346.281301]  ? __switch_to_asm+0x40/0x70
[  346.285400]  ? __switch_to_asm+0x34/0x70
[  346.289453]  ? __switch_to_asm+0x40/0x70
[  346.293505]  ? __switch_to_asm+0x34/0x70
[  346.297559]  ? __switch_to_asm+0x40/0x70
[  346.301619]  ? __schedule+0x8d7/0x21d0
[  346.305540]  ? lock_downgrade+0x900/0x900
[  346.309707]  ? zap_class+0x640/0x640
[  346.313417]  ? zap_class+0x640/0x640
[  346.317130]  ? find_held_lock+0x36/0x1c0
[  346.321192]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.325797]  ? lock_acquire+0x1ed/0x520
[  346.329771]  ? worker_thread+0x3e0/0x1390
[  346.333927]  ? kasan_check_read+0x11/0x20
[  346.338072]  ? do_raw_spin_lock+0x14f/0x350
[  346.342401]  ? kasan_check_read+0x11/0x20
[  346.346547]  ? rwlock_bug.part.2+0x90/0x90
[  346.350786]  ? trace_hardirqs_on+0x310/0x310
[  346.355201]  worker_thread+0x17f/0x1390
[  346.359182]  ? __switch_to_asm+0x34/0x70
[  346.363251]  ? process_one_work+0x1c40/0x1c40
[  346.367808]  ? zap_class+0x640/0x640
[  346.371577]  ? __kthread_parkme+0xce/0x1a0
[  346.375816]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  346.380925]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  346.386027]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  346.390604]  ? trace_hardirqs_on+0xbd/0x310
[  346.394923]  ? kasan_check_read+0x11/0x20
[  346.399076]  ? __kthread_parkme+0xce/0x1a0
[  346.403311]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.408412]  ? trace_hardirqs_off_caller+0x310/0x310
[  346.413521]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  346.418625]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.424178]  ? __kthread_parkme+0xfb/0x1a0
[  346.428416]  ? process_one_work+0x1c40/0x1c40
[  346.432919]  kthread+0x35a/0x440
[  346.436308]  ? kthread_stop+0x900/0x900
[  346.440285]  ret_from_fork+0x3a/0x50
[  346.444032] warn_alloc_show_mem: 1 callbacks suppressed
[  346.444043] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  346.444045] Mem-Info:
[  346.444076] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  346.444076]  active_file:9 inactive_file:10 isolated_file:8
[  346.444076]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.444076]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  346.444076]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  346.444076]  free:13786 free_pcp:282 free_cma:0
[  346.449411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.456422] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.458822] Call Trace:
[  346.491769] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  346.501141]  <IRQ>
[  346.528986] lowmem_reserve[]: 0 2818 6321 6321
[  346.531573]  dump_stack+0x244/0x39d
[  346.557676] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  346.559839]  ? dump_stack_print_info.cold.1+0x20/0x20
[  346.564387] lowmem_reserve[]: 0 0 3503 3503
[  346.568022]  warn_alloc.cold.116+0xb7/0x1bd
[  346.595328] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  346.600522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.604812] lowmem_reserve[]: 0 0 0 0
[  346.609133]  ? lock_downgrade+0x900/0x900
[  346.638195] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  346.643067]  ? trace_hardirqs_off+0xb8/0x310
[  346.646829] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  346.650978]  ? trace_hardirqs_off+0xb8/0x310
[  346.664479] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  346.668910]  __alloc_pages_slowpath+0x2651/0x2de0
[  346.684072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.688528]  ? warn_alloc+0x120/0x120
[  346.703490] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.708361]  ? warn_alloc+0x120/0x120
[  346.717187] 4366 total pagecache pages
[  346.720995]  ? warn_alloc+0x120/0x120
[  346.729553] 0 pages in swap cache
[  346.733362]  ? print_usage_bug+0xc0/0xc0
[  346.737232] Swap cache stats: add 0, delete 0, find 0/0
[  346.741052]  ? print_usage_bug+0xc0/0xc0
[  346.744491] Free swap  = 0kB
[  346.748555]  ? mark_held_locks+0x130/0x130
[  346.753908] Total swap = 0kB
[  346.757986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.760978] 1965979 pages RAM
[  346.765220]  ? should_fail+0x22d/0xd01
[  346.768224] 0 pages HighMem/MovableOnly
[  346.773781]  ? __lock_acquire+0x62f/0x4c20
[  346.776864] 342854 pages reserved
[  346.780754]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.784694] 0 pages cma reserved
[  346.784764] aoe: skb alloc failure
[  346.788943]  ? __lock_acquire+0x62f/0x4c20
[  346.792447] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  346.797499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.800846] kworker/0:2 cpuset=/ mems_allowed=0
[  346.804394]  ? __lock_acquire+0x62f/0x4c20
[  346.832917]  ? should_fail+0x22d/0xd01
[  346.836825]  ? mark_held_locks+0x130/0x130
[  346.841075]  ? mark_held_locks+0x130/0x130
[  346.845321]  ? try_to_wake_up+0x11c/0x1490
[  346.849582]  ? lock_downgrade+0x900/0x900
[  346.853739]  ? zap_class+0x640/0x640
[  346.857463]  ? print_usage_bug+0xc0/0xc0
[  346.861529]  ? trace_hardirqs_off+0xb8/0x310
[  346.865942]  ? kasan_check_read+0x11/0x20
[  346.870102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.875665]  ? check_preemption_disabled+0x48/0x280
[  346.880704]  ? __lock_is_held+0xb5/0x140
[  346.884784]  __alloc_pages_nodemask+0xad8/0xea0
[  346.889476]  ? zap_class+0x640/0x640
[  346.893198]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  346.898233]  ? find_held_lock+0x36/0x1c0
[  346.902312]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.906987]  ? lock_downgrade+0x900/0x900
[  346.911177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.916754]  cache_grow_begin+0xa5/0x8c0
[  346.920820]  ? do_raw_spin_unlock+0xa7/0x330
[  346.925270]  fallback_alloc+0x204/0x2e0
[  346.929254]  ____cache_alloc_node+0x1c7/0x1e0
[  346.933779]  kmem_cache_alloc_node+0xe3/0x730
[  346.938313]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.942568]  __alloc_skb+0x119/0x770
[  346.946290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  346.951581]  ? netdev_alloc_frag+0x1f0/0x1f0
[  346.956012]  ? lock_downgrade+0x900/0x900
[  346.960186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.965732]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.971198]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.976665]  ? addrconf_rs_timer+0x690/0x690
[  346.981095]  ndisc_alloc_skb+0x144/0x340
[  346.985181]  ndisc_send_rs+0x331/0x6e0
[  346.989089]  addrconf_rs_timer+0x314/0x690
[  346.993335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.997599]  call_timer_fn+0x272/0x920
[  347.001497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.005736]  ? process_timeout+0x40/0x40
[  347.009816]  ? mark_held_locks+0xc7/0x130
[  347.013974]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.018475]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.022974]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.027217]  ? lockdep_hardirqs_on+0x296/0x5b0
[  347.031808]  ? trace_hardirqs_on+0xbd/0x310
[  347.036133]  ? kasan_check_read+0x11/0x20
[  347.040288]  ? __run_timers+0x7da/0xc70
[  347.044273]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.049398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.053641]  __run_timers+0x7e5/0xc70
[  347.057466]  ? timer_fixup_init+0x70/0x70
[  347.061618]  ? kasan_check_read+0x11/0x20
[  347.065779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.071063]  ? rcu_softirq_qs+0x20/0x20
[  347.075048]  ? mark_held_locks+0xc7/0x130
[  347.079205]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.083975]  ? retint_kernel+0x2d/0x2d
[  347.087871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  347.092804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  347.097568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  347.103028]  ? zap_class+0x640/0x640
[  347.106781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.112372]  ? check_preemption_disabled+0x48/0x280
[  347.117396]  ? __lock_is_held+0xb5/0x140
[  347.121490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.127058]  ? check_preemption_disabled+0x48/0x280
[  347.132080]  run_timer_softirq+0x52/0xb0
[  347.136171]  ? rcu_read_lock_sched_held+0x14f/0x180
[  347.141193]  __do_softirq+0x308/0xb7e
[  347.145016]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  347.149516]  ? lock_downgrade+0x900/0x900
[  347.153692]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  347.158806]  ? pvclock_read_flags+0x160/0x160
[  347.163323]  ? lapic_next_event+0x5a/0x90
[  347.167472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.173015]  ? kvm_clock_read+0x18/0x30
[  347.176993]  ? kvm_sched_clock_read+0x9/0x20
[  347.181405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.186954]  ? check_preemption_disabled+0x48/0x280
[  347.192011]  irq_exit+0x17f/0x1c0
[  347.195487]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.200348]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.206251]  ? interrupt_entry+0xb5/0xc0
[  347.210315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.215349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.220380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.225231]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.230281]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.235298]  ? task_prio+0x50/0x50
[  347.238842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.244383]  ? check_preemption_disabled+0x48/0x280
[  347.249410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.254275]  apic_timer_interrupt+0xf/0x20
[  347.258508]  </IRQ>
[  347.260753] RIP: 0010:dump_stack+0x358/0x39d
[  347.265164] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  347.284093] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  347.291808] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  347.299078] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  347.306360] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  347.313627] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  347.320917] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  347.328224]  ? dump_stack+0x34f/0x39d
[  347.332041]  ? dump_stack_print_info.cold.1+0x20/0x20
[  347.337251]  ? mark_held_locks+0x130/0x130
[  347.341487]  ? mark_held_locks+0x130/0x130
[  347.345733]  dump_header+0x27b/0xf72
[  347.349465]  ? pagefault_out_of_memory+0x197/0x197
[  347.354409]  ? __lock_acquire+0x62f/0x4c20
[  347.358663]  ? percpu_ref_get_many+0x240/0x240
[  347.363251]  ? print_usage_bug+0xc0/0xc0
[  347.367327]  ? zap_class+0x640/0x640
[  347.371053]  ? print_usage_bug+0xc0/0xc0
[  347.375115]  ? print_usage_bug+0xc0/0xc0
[  347.379183]  ? zap_class+0x640/0x640
[  347.382905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.388456]  ? find_held_lock+0x36/0x1c0
[  347.392541]  ? mark_held_locks+0xc7/0x130
[  347.396700]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.401805]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  347.406914]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  347.411544]  ? trace_hardirqs_on+0xbd/0x310
[  347.415871]  ? kasan_check_read+0x11/0x20
[  347.420022]  ? ___ratelimit+0x3b4/0x672
[  347.424007]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.429114]  ? trace_hardirqs_on+0x310/0x310
[  347.433547]  ? lock_downgrade+0x900/0x900
[  347.437710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  347.442835]  ? ___ratelimit+0x3b9/0x672
[  347.446848]  ? idr_get_free+0xf70/0xf70
[  347.450824]  ? find_held_lock+0x36/0x1c0
[  347.454942]  oom_kill_process.cold.27+0x10/0x903
[  347.459716]  ? zap_class+0x640/0x640
[  347.463450]  ? check_preemption_disabled+0x48/0x280
[  347.468471]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.473406]  ? kasan_check_read+0x11/0x20
[  347.477561]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.482840]  ? oom_evaluate_task+0x540/0x540
[  347.487255]  ? find_held_lock+0x36/0x1c0
[  347.491329]  ? out_of_memory+0x974/0x1430
[  347.495484]  ? lock_downgrade+0x900/0x900
[  347.499641]  ? check_preemption_disabled+0x48/0x280
[  347.504706]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.509642]  ? kasan_check_read+0x11/0x20
[  347.513799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.519075]  ? rcu_softirq_qs+0x20/0x20
[  347.523059]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.528616]  ? oom_evaluate_task+0x302/0x540
[  347.533035]  out_of_memory+0xa84/0x1430
[  347.537038]  ? oom_killer_disable+0x3a0/0x3a0
[  347.541541]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  347.546477]  ? __ww_mutex_check_waiters+0x160/0x160
[  347.551506]  __alloc_pages_slowpath+0x232c/0x2de0
[  347.556392]  ? warn_alloc+0x120/0x120
[  347.560223]  ? mark_held_locks+0x130/0x130
[  347.564489]  ? find_get_entry+0xaae/0x1120
[  347.568753]  ? filemap_map_pages+0x1a20/0x1a20
[  347.573338]  ? zap_class+0x640/0x640
[  347.577060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.582602]  ? check_preemption_disabled+0x48/0x280
[  347.587624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.593171]  ? should_fail+0x22d/0xd01
[  347.597069]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.602190]  ? zap_class+0x640/0x640
[  347.605941]  ? __lock_is_held+0xb5/0x140
[  347.610015]  ? mark_held_locks+0x130/0x130
[  347.614263]  ? lock_release+0xa00/0xa00
[  347.618260]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.623717]  ? xa_load+0x2ba/0x460
[  347.627280]  ? lock_downgrade+0x900/0x900
[  347.631454]  ? __might_sleep+0x95/0x190
[  347.635443]  __alloc_pages_nodemask+0xad8/0xea0
[  347.640122]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  347.645157]  ? __page_cache_alloc+0x191/0x5c0
[  347.649659]  ? xa_load+0x2e1/0x460
[  347.653201]  ? xa_clear_mark+0x40/0x40
[  347.657094]  ? zap_class+0x640/0x640
[  347.660820]  ? zap_class+0x640/0x640
[  347.664579]  ? zap_class+0x640/0x640
[  347.668295]  ? __do_page_cache_readahead+0x663/0x810
[  347.673408]  ? find_held_lock+0x36/0x1c0
[  347.677513]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  347.683059]  alloc_pages_current+0x173/0x350
[  347.687482]  __page_cache_alloc+0x38c/0x5c0
[  347.691803]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.696738]  ? kasan_check_read+0x11/0x20
[  347.700889]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.706170]  ? generic_perform_write+0x6a0/0x6a0
[  347.710928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.716471]  ? check_preemption_disabled+0x48/0x280
[  347.721523]  filemap_fault+0x1595/0x25f0
[  347.725605]  ? __lock_page_or_retry+0xa00/0xa00
[  347.730281]  ? mark_held_locks+0x130/0x130
[  347.734544]  ? filemap_map_pages+0xd6b/0x1a20
[  347.739057]  ? lock_downgrade+0x900/0x900
[  347.743697]  ? check_preemption_disabled+0x48/0x280
[  347.748720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.753663]  ? kasan_check_read+0x11/0x20
[  347.757812]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.763090]  ? rcu_softirq_qs+0x20/0x20
[  347.767081]  ? filemap_map_pages+0xd92/0x1a20
[  347.771592]  ? find_get_entries_tag+0x1400/0x1400
[  347.776477]  ? debug_object_destroy+0x2b0/0x2b0
[  347.781454]  ? lock_pi_update_atomic+0x150/0x150
[  347.786226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.791778]  ? lock_acquire+0x1ed/0x520
[  347.795770]  ? ext4_filemap_fault+0x7a/0xad
[  347.800105]  ? lock_release+0xa00/0xa00
[  347.804089]  ? perf_trace_sched_process_exec+0x860/0x860
[  347.809545]  ? print_usage_bug+0xc0/0xc0
[  347.813608]  ? print_usage_bug+0xc0/0xc0
[  347.817702]  ? down_read+0x8d/0x120
[  347.821345]  ? ext4_filemap_fault+0x7a/0xad
[  347.825678]  ? __down_interruptible+0x700/0x700
[  347.830358]  ext4_filemap_fault+0x82/0xad
[  347.834525]  __do_fault+0x100/0x6b0
[  347.838159]  ? pmd_devmap_trans_unstable+0x220/0x220
[  347.843268]  ? mark_held_locks+0x130/0x130
[  347.847503]  ? mark_held_locks+0x130/0x130
[  347.851751]  ? __might_fault+0x12b/0x1e0
[  347.855819]  ? lock_downgrade+0x900/0x900
[  347.859974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.865519]  __handle_mm_fault+0x3ea0/0x5be0
[  347.869956]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  347.874821]  ? _copy_to_user+0xc8/0x110
[  347.878833]  ? zap_class+0x640/0x640
[  347.882549]  ? zap_class+0x640/0x640
[  347.886262]  ? __x64_sys_futex+0x53e/0x6a0
[  347.890522]  ? find_held_lock+0x36/0x1c0
[  347.894593]  ? handle_mm_fault+0x42a/0xc70
[  347.898833]  ? lock_downgrade+0x900/0x900
[  347.902984]  ? check_preemption_disabled+0x48/0x280
[  347.908038]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  347.912969]  ? kasan_check_read+0x11/0x20
[  347.917122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  347.922399]  ? rcu_softirq_qs+0x20/0x20
[  347.926394]  ? trace_hardirqs_off_caller+0x310/0x310
[  347.931516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.937056]  ? check_preemption_disabled+0x48/0x280
[  347.942087]  handle_mm_fault+0x54f/0xc70
[  347.946156]  ? __handle_mm_fault+0x5be0/0x5be0
[  347.950744]  ? find_vma+0x34/0x190
[  347.954292]  __do_page_fault+0x5e8/0xe60
[  347.958368]  ? trace_hardirqs_off+0xb8/0x310
[  347.962780]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.968326]  do_page_fault+0xf2/0x7e0
[  347.972134]  ? vmalloc_sync_all+0x30/0x30
[  347.976299]  ? error_entry+0x70/0xd0
[  347.980017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.985035]  ? trace_hardirqs_on_caller+0xc0/0x310
[  347.989970]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.994898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.999762]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.004784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.010239]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  348.015260]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.020284]  ? page_fault+0x8/0x30
[  348.023856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.028708]  ? page_fault+0x8/0x30
[  348.032255]  page_fault+0x1e/0x30
[  348.035709] RIP: 0033:0x45ddf3
[  348.038916] Code: Bad RIP value.
[  348.042281] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  348.047646] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  348.054967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  348.062266] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  348.069574] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  348.076853] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  348.084174] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  348.084255] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  348.091302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.091323] Workqueue: events kernfs_notify_workfn
[  348.091330] Call Trace:
[  348.091336]  <IRQ>
[  348.091358]  dump_stack+0x244/0x39d
[  348.091376]  ? dump_stack_print_info.cold.1+0x20/0x20
[  348.097922] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  348.107237]  warn_alloc.cold.116+0xb7/0x1bd
[  348.112143] syz-fuzzer cpuset=/ mems_allowed=0
[  348.114727]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.149607]  ? lock_downgrade+0x900/0x900
[  348.153774]  ? trace_hardirqs_off+0xb8/0x310
[  348.158195]  ? trace_hardirqs_off+0xb8/0x310
[  348.162620]  __alloc_pages_slowpath+0x2651/0x2de0
[  348.167514]  ? warn_alloc+0x120/0x120
[  348.171332]  ? warn_alloc+0x120/0x120
[  348.175153]  ? warn_alloc+0x120/0x120
[  348.178971]  ? print_usage_bug+0xc0/0xc0
[  348.183055]  ? print_usage_bug+0xc0/0xc0
[  348.187138]  ? ktime_get+0x2c1/0x400
[  348.190874]  ? check_preemption_disabled+0x48/0x280
[  348.195904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.200431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.205999]  ? should_fail+0x22d/0xd01
[  348.209934]  ? kasan_check_read+0x11/0x20
[  348.214106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.219233]  ? __lock_acquire+0x62f/0x4c20
[  348.223500]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  348.228627]  ? should_fail+0x22d/0xd01
[  348.232548]  ? print_usage_bug+0xc0/0xc0
[  348.236634]  ? mark_held_locks+0x130/0x130
[  348.240892]  ? mark_held_locks+0x130/0x130
[  348.245141]  ? check_preemption_disabled+0x48/0x280
[  348.250189]  ? zap_class+0x640/0x640
[  348.253925]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  348.258699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.264251]  ? check_preemption_disabled+0x48/0x280
[  348.269316]  ? __lock_is_held+0xb5/0x140
[  348.273412]  __alloc_pages_nodemask+0xad8/0xea0
[  348.278109]  ? zap_class+0x640/0x640
[  348.281870]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  348.286940]  ? find_held_lock+0x36/0x1c0
[  348.291040]  ? ____cache_alloc_node+0x1c7/0x1e0
[  348.295793]  ? lock_downgrade+0x900/0x900
[  348.300009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.305579]  cache_grow_begin+0xa5/0x8c0
[  348.309672]  ? do_raw_spin_unlock+0xa7/0x330
[  348.314128]  fallback_alloc+0x204/0x2e0
[  348.318143]  ____cache_alloc_node+0x1c7/0x1e0
[  348.322696]  kmem_cache_alloc_node+0xe3/0x730
[  348.327226]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.331846]  __alloc_skb+0x119/0x770
[  348.335605]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  348.341030]  ? netdev_alloc_frag+0x1f0/0x1f0
[  348.345506]  ? vprintk_default+0x28/0x30
[  348.349585]  ? vprintk_func+0x85/0x181
[  348.353507]  ? printk+0xa7/0xcf
[  348.356801]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  348.361607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.367162]  new_skb+0x26/0x1c0
[  348.370453]  aoecmd_cfg+0x279/0x7f0
[  348.374107]  ? find_held_lock+0x36/0x1c0
[  348.378183]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  348.382517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.388124]  ? __lock_is_held+0xb5/0x140
[  348.392202]  discover_timer+0x50/0x60
[  348.396012]  call_timer_fn+0x272/0x920
[  348.399912]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.404763]  ? process_timeout+0x40/0x40
[  348.408835]  ? mark_held_locks+0xc7/0x130
[  348.412988]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.417486]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.421988]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.426835]  ? lockdep_hardirqs_on+0x296/0x5b0
[  348.431424]  ? trace_hardirqs_on+0xbd/0x310
[  348.435763]  ? kasan_check_read+0x11/0x20
[  348.439945]  ? __run_timers+0x7da/0xc70
[  348.443958]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.449107]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  348.453979]  __run_timers+0x7e5/0xc70
[  348.457814]  ? timer_fixup_init+0x70/0x70
[  348.461990]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  348.467036]  ? zap_class+0x640/0x640
[  348.470774]  ? print_usage_bug+0xc0/0xc0
[  348.474876]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  348.480123]  ? find_held_lock+0x36/0x1c0
[  348.484213]  ? zap_class+0x640/0x640
[  348.487958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.493523]  ? check_preemption_disabled+0x48/0x280
[  348.498591]  ? __lock_is_held+0xb5/0x140
[  348.502705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.508276]  ? check_preemption_disabled+0x48/0x280
[  348.513351]  run_timer_softirq+0x52/0xb0
[  348.517425]  ? rcu_read_lock_sched_held+0x14f/0x180
[  348.522460]  __do_softirq+0x308/0xb7e
[  348.526274]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  348.530773]  ? lock_downgrade+0x900/0x900
[  348.534935]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  348.540082]  ? pvclock_read_flags+0x160/0x160
[  348.544607]  ? lapic_next_event+0x5a/0x90
[  348.548779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.554349]  ? kvm_clock_read+0x18/0x30
[  348.558353]  ? kvm_sched_clock_read+0x9/0x20
[  348.562798]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.568371]  ? check_preemption_disabled+0x48/0x280
[  348.573432]  irq_exit+0x17f/0x1c0
[  348.576921]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.581790]  ? smp_reschedule_interrupt+0x109/0x650
[  348.586840]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.592757]  ? interrupt_entry+0xb5/0xc0
[  348.596851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.601897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.606958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.612376]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.617421]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.622474]  ? task_prio+0x50/0x50
[  348.626058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.631630]  ? check_preemption_disabled+0x48/0x280
[  348.636720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.641603]  apic_timer_interrupt+0xf/0x20
[  348.645865]  </IRQ>
[  348.648300] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  348.652982] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  348.671922] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  348.679645] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  348.686957] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  348.694260] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  348.701553] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  348.708845] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  348.716176]  ? mark_held_locks+0x130/0x130
[  348.720472]  ? kernfs_notify_workfn+0xf0/0x440
[  348.725107]  ? mark_held_locks+0x130/0x130
[  348.729370]  ? set_next_entity+0x493/0xc70
[  348.733632]  ? mutex_trylock+0x2b0/0x2b0
[  348.737740]  ? update_load_avg+0x2470/0x2470
[  348.742203]  ? zap_class+0x640/0x640
[  348.745974]  ? zap_class+0x640/0x640
[  348.749717]  ? print_usage_bug+0xc0/0xc0
[  348.753820]  ? find_held_lock+0x36/0x1c0
[  348.757929]  ? mark_held_locks+0xc7/0x130
[  348.762113]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.766639]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.771176]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.775806]  ? trace_hardirqs_on+0xbd/0x310
[  348.780157]  ? kasan_check_read+0x11/0x20
[  348.784341]  ? kernfs_notify_workfn+0xe2/0x440
[  348.788984]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.794143]  mutex_lock_nested+0x16/0x20
[  348.798229]  ? _raw_spin_unlock_irq+0x60/0x80
[  348.802747]  ? mutex_lock_nested+0x16/0x20
[  348.807003]  kernfs_notify_workfn+0xf0/0x440
[  348.811433]  process_one_work+0xc90/0x1c40
[  348.815694]  ? mark_held_locks+0x130/0x130
[  348.819960]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  348.824659]  ? __switch_to_asm+0x40/0x70
[  348.828732]  ? __switch_to_asm+0x34/0x70
[  348.832807]  ? __switch_to_asm+0x40/0x70
[  348.836870]  ? __switch_to_asm+0x34/0x70
[  348.840936]  ? __switch_to_asm+0x40/0x70
[  348.844999]  ? __switch_to_asm+0x34/0x70
[  348.849064]  ? __switch_to_asm+0x40/0x70
[  348.853154]  ? __switch_to_asm+0x34/0x70
[  348.857241]  ? __switch_to_asm+0x40/0x70
[  348.861336]  ? __schedule+0x8d7/0x21d0
[  348.865295]  ? lock_downgrade+0x900/0x900
[  348.869483]  ? zap_class+0x640/0x640
[  348.873223]  ? zap_class+0x640/0x640
[  348.876974]  ? find_held_lock+0x36/0x1c0
[  348.881069]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.885712]  ? lock_acquire+0x1ed/0x520
[  348.889723]  ? worker_thread+0x3e0/0x1390
[  348.893925]  ? kasan_check_read+0x11/0x20
[  348.898098]  ? do_raw_spin_lock+0x14f/0x350
[  348.902444]  ? kasan_check_read+0x11/0x20
[  348.906622]  ? rwlock_bug.part.2+0x90/0x90
[  348.910890]  ? trace_hardirqs_on+0x310/0x310
[  348.915357]  worker_thread+0x17f/0x1390
[  348.919374]  ? __switch_to_asm+0x34/0x70
[  348.923480]  ? process_one_work+0x1c40/0x1c40
[  348.928018]  ? zap_class+0x640/0x640
[  348.931786]  ? __kthread_parkme+0xce/0x1a0
[  348.936052]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  348.941189]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  348.946329]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  348.950947]  ? trace_hardirqs_on+0xbd/0x310
[  348.955285]  ? kasan_check_read+0x11/0x20
[  348.959457]  ? __kthread_parkme+0xce/0x1a0
[  348.963712]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.968853]  ? trace_hardirqs_off_caller+0x310/0x310
[  348.973995]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  348.979139]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.984691]  ? __kthread_parkme+0xfb/0x1a0
[  348.988938]  ? process_one_work+0x1c40/0x1c40
[  348.993437]  kthread+0x35a/0x440
[  348.996810]  ? kthread_stop+0x900/0x900
[  349.000807]  ret_from_fork+0x3a/0x50
[  349.004541] warn_alloc_show_mem: 1 callbacks suppressed
[  349.004553] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  349.004555] Mem-Info:
[  349.004587] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  349.004587]  active_file:9 inactive_file:10 isolated_file:8
[  349.004587]  unevictable:0 dirty:0 writeback:0 unstable:0
[  349.004587]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  349.004587]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  349.004587]  free:13786 free_pcp:282 free_cma:0
[  349.009924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  349.009934] Call Trace:
[  349.016982] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  349.019409]  <IRQ>
[  349.052382] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  349.061766]  dump_stack+0x244/0x39d
[  349.064319] lowmem_reserve[]: 0 2818 6321 6321
[  349.092210]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.094334] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  349.120483]  warn_alloc.cold.116+0xb7/0x1bd
[  349.124117] lowmem_reserve[]: 0 0 3503 3503
[  349.128723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  349.133903] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  349.161249]  ? lock_downgrade+0x900/0x900
[  349.165553] lowmem_reserve[]: 0 0 0 0
[  349.169891]  ? trace_hardirqs_off+0xb8/0x310
[  349.174734] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  349.203639]  ? trace_hardirqs_off+0xb8/0x310
[  349.207796] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  349.211631]  __alloc_pages_slowpath+0x2651/0x2de0
[  349.216023] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  349.229613]  ? warn_alloc+0x120/0x120
[  349.233983] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.249184]  ? print_usage_bug+0xc0/0xc0
[  349.254020] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.269067]  ? warn_alloc+0x120/0x120
[  349.272865] 4366 total pagecache pages
[  349.281719]  ? warn_alloc+0x120/0x120
[  349.285766] 0 pages in swap cache
[  349.294355]  ? print_usage_bug+0xc0/0xc0
[  349.298130] Swap cache stats: add 0, delete 0, find 0/0
[  349.298139] Free swap  = 0kB
[  349.302042]  ? print_usage_bug+0xc0/0xc0
[  349.305815] Total swap = 0kB
[  349.309275]  ? __lock_acquire+0x62f/0x4c20
[  349.313320] 1965979 pages RAM
[  349.318725]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.321732] 0 pages HighMem/MovableOnly
[  349.325800]  ? should_fail+0x22d/0xd01
[  349.328799] 342854 pages reserved
[  349.333036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.336121] 0 pages cma reserved
[  349.341668]  ? __lock_acquire+0x62f/0x4c20
[  349.345701] aoe: skb alloc failure
[  349.349552]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.349568]  ? __lock_acquire+0x62f/0x4c20
[  349.349585]  ? should_fail+0x22d/0xd01
[  349.353070] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.358169]  ? find_held_lock+0x36/0x1c0
[  349.361516] kworker/0:2 cpuset=/ mems_allowed=0
[  349.365761]  ? mark_held_locks+0x130/0x130
[  349.405812]  ? mark_held_locks+0x130/0x130
[  349.410076]  ? zap_class+0x640/0x640
[  349.413820]  ? zap_class+0x640/0x640
[  349.417560]  ? print_usage_bug+0xc0/0xc0
[  349.421642]  ? do_raw_spin_unlock+0xa7/0x330
[  349.426099]  ? zap_class+0x640/0x640
[  349.429838]  ? print_usage_bug+0xc0/0xc0
[  349.433925]  ? wq_watchdog_touch+0x9c/0xfe
[  349.438184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.443748]  ? check_preemption_disabled+0x48/0x280
[  349.448803]  ? __lock_is_held+0xb5/0x140
[  349.452899]  __alloc_pages_nodemask+0xad8/0xea0
[  349.457599]  ? zap_class+0x640/0x640
[  349.461343]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  349.466398]  ? find_held_lock+0x36/0x1c0
[  349.470537]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.475225]  ? lock_downgrade+0x900/0x900
[  349.479402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.485012]  cache_grow_begin+0xa5/0x8c0
[  349.489107]  ? do_raw_spin_unlock+0xa7/0x330
[  349.493542]  fallback_alloc+0x204/0x2e0
[  349.497555]  ____cache_alloc_node+0x1c7/0x1e0
[  349.502077]  kmem_cache_alloc_node+0xe3/0x730
[  349.506596]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.510862]  __alloc_skb+0x119/0x770
[  349.514599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.519920]  ? netdev_alloc_frag+0x1f0/0x1f0
[  349.524377]  ? lock_downgrade+0x900/0x900
[  349.528592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.534179]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.539673]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.545157]  ? addrconf_rs_timer+0x690/0x690
[  349.549638]  ndisc_alloc_skb+0x144/0x340
[  349.553743]  ndisc_send_rs+0x331/0x6e0
[  349.557675]  addrconf_rs_timer+0x314/0x690
[  349.561960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.566249]  call_timer_fn+0x272/0x920
[  349.570169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.574451]  ? process_timeout+0x40/0x40
[  349.578563]  ? mark_held_locks+0xc7/0x130
[  349.582747]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.587284]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.591821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.596082]  ? lockdep_hardirqs_on+0x296/0x5b0
[  349.600741]  ? trace_hardirqs_on+0xbd/0x310
[  349.605081]  ? kasan_check_read+0x11/0x20
[  349.609252]  ? __run_timers+0x7da/0xc70
[  349.613252]  ? trace_hardirqs_off_caller+0x310/0x310
[  349.618392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.622679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.626946]  __run_timers+0x7e5/0xc70
[  349.630798]  ? timer_fixup_init+0x70/0x70
[  349.634971]  ? kasan_check_read+0x11/0x20
[  349.639152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  349.644466]  ? rcu_softirq_qs+0x20/0x20
[  349.648485]  ? mark_held_locks+0xc7/0x130
[  349.652675]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.657472]  ? retint_kernel+0x2d/0x2d
[  349.661395]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.666362]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  349.671165]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.676647]  ? zap_class+0x640/0x640
[  349.680420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.686001]  ? check_preemption_disabled+0x48/0x280
[  349.691065]  ? __lock_is_held+0xb5/0x140
[  349.695178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.700760]  ? check_preemption_disabled+0x48/0x280
[  349.705806]  run_timer_softirq+0x52/0xb0
[  349.709890]  ? rcu_read_lock_sched_held+0x14f/0x180
[  349.714951]  __do_softirq+0x308/0xb7e
[  349.718791]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  349.723336]  ? lock_downgrade+0x900/0x900
[  349.727525]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  349.732673]  ? pvclock_read_flags+0x160/0x160
[  349.737209]  ? lapic_next_event+0x5a/0x90
[  349.741865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.747443]  ? kvm_clock_read+0x18/0x30
[  349.751452]  ? kvm_sched_clock_read+0x9/0x20
[  349.755909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.761485]  ? check_preemption_disabled+0x48/0x280
[  349.766538]  irq_exit+0x17f/0x1c0
[  349.770021]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.774916]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.780871]  ? interrupt_entry+0xb5/0xc0
[  349.784986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.790029]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.795085]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.799956]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.805006]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.810050]  ? task_prio+0x50/0x50
[  349.813607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.819172]  ? check_preemption_disabled+0x48/0x280
[  349.824220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.829110]  apic_timer_interrupt+0xf/0x20
[  349.833364]  </IRQ>
[  349.835643] RIP: 0010:dump_stack+0x358/0x39d
[  349.840088] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  349.859016] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  349.866749] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  349.874039] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  349.881348] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  349.888661] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  349.895955] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  349.903275]  ? dump_stack+0x34f/0x39d
[  349.907110]  ? dump_stack_print_info.cold.1+0x20/0x20
[  349.912333]  ? mark_held_locks+0x130/0x130
[  349.916597]  ? mark_held_locks+0x130/0x130
[  349.920862]  dump_header+0x27b/0xf72
[  349.924634]  ? pagefault_out_of_memory+0x197/0x197
[  349.929615]  ? __lock_acquire+0x62f/0x4c20
[  349.933883]  ? percpu_ref_get_many+0x240/0x240
[  349.938504]  ? print_usage_bug+0xc0/0xc0
[  349.942594]  ? zap_class+0x640/0x640
[  349.946337]  ? print_usage_bug+0xc0/0xc0
[  349.950436]  ? print_usage_bug+0xc0/0xc0
[  349.954518]  ? zap_class+0x640/0x640
[  349.958253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.963828]  ? find_held_lock+0x36/0x1c0
[  349.967922]  ? mark_held_locks+0xc7/0x130
[  349.972102]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.977225]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  349.982352]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  349.986993]  ? trace_hardirqs_on+0xbd/0x310
[  349.991362]  ? kasan_check_read+0x11/0x20
[  349.995534]  ? ___ratelimit+0x3b4/0x672
[  349.999536]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.004698]  ? trace_hardirqs_on+0x310/0x310
[  350.009137]  ? lock_downgrade+0x900/0x900
[  350.013324]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  350.018461]  ? ___ratelimit+0x3b9/0x672
[  350.022460]  ? idr_get_free+0xf70/0xf70
[  350.026463]  ? find_held_lock+0x36/0x1c0
[  350.030559]  oom_kill_process.cold.27+0x10/0x903
[  350.035340]  ? zap_class+0x640/0x640
[  350.039089]  ? check_preemption_disabled+0x48/0x280
[  350.044150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.049113]  ? kasan_check_read+0x11/0x20
[  350.053281]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.058584]  ? oom_evaluate_task+0x540/0x540
[  350.063016]  ? find_held_lock+0x36/0x1c0
[  350.067105]  ? out_of_memory+0x974/0x1430
[  350.071274]  ? lock_downgrade+0x900/0x900
[  350.075439]  ? check_preemption_disabled+0x48/0x280
[  350.080479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.085433]  ? kasan_check_read+0x11/0x20
[  350.089598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.094900]  ? rcu_softirq_qs+0x20/0x20
[  350.098891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.104457]  ? oom_evaluate_task+0x302/0x540
[  350.108902]  out_of_memory+0xa84/0x1430
[  350.112914]  ? oom_killer_disable+0x3a0/0x3a0
[  350.117434]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  350.122372]  ? __ww_mutex_check_waiters+0x160/0x160
[  350.127405]  __alloc_pages_slowpath+0x232c/0x2de0
[  350.132311]  ? warn_alloc+0x120/0x120
[  350.136140]  ? mark_held_locks+0x130/0x130
[  350.140406]  ? find_get_entry+0xaae/0x1120
[  350.144691]  ? filemap_map_pages+0x1a20/0x1a20
[  350.149311]  ? zap_class+0x640/0x640
[  350.153074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.158648]  ? check_preemption_disabled+0x48/0x280
[  350.163705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.169279]  ? should_fail+0x22d/0xd01
[  350.173189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.178316]  ? zap_class+0x640/0x640
[  350.182092]  ? __lock_is_held+0xb5/0x140
[  350.186196]  ? mark_held_locks+0x130/0x130
[  350.190479]  ? lock_release+0xa00/0xa00
[  350.194484]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.199970]  ? xa_load+0x2ba/0x460
[  350.203552]  ? lock_downgrade+0x900/0x900
[  350.207727]  ? __might_sleep+0x95/0x190
[  350.211734]  __alloc_pages_nodemask+0xad8/0xea0
[  350.216445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  350.221488]  ? __page_cache_alloc+0x191/0x5c0
[  350.226000]  ? xa_load+0x2e1/0x460
[  350.229574]  ? xa_clear_mark+0x40/0x40
[  350.233504]  ? zap_class+0x640/0x640
[  350.237272]  ? zap_class+0x640/0x640
[  350.241013]  ? zap_class+0x640/0x640
[  350.244751]  ? __do_page_cache_readahead+0x663/0x810
[  350.249891]  ? find_held_lock+0x36/0x1c0
[  350.253998]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  350.259578]  alloc_pages_current+0x173/0x350
[  350.264023]  __page_cache_alloc+0x38c/0x5c0
[  350.268378]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.273336]  ? kasan_check_read+0x11/0x20
[  350.277502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.282806]  ? generic_perform_write+0x6a0/0x6a0
[  350.287585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.293169]  ? check_preemption_disabled+0x48/0x280
[  350.298220]  filemap_fault+0x1595/0x25f0
[  350.302315]  ? __lock_page_or_retry+0xa00/0xa00
[  350.307012]  ? mark_held_locks+0x130/0x130
[  350.311294]  ? filemap_map_pages+0xd6b/0x1a20
[  350.315821]  ? lock_downgrade+0x900/0x900
[  350.320003]  ? check_preemption_disabled+0x48/0x280
[  350.325052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.330056]  ? kasan_check_read+0x11/0x20
[  350.334227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.339539]  ? rcu_softirq_qs+0x20/0x20
[  350.343552]  ? filemap_map_pages+0xd92/0x1a20
[  350.348077]  ? find_get_entries_tag+0x1400/0x1400
[  350.352961]  ? debug_object_destroy+0x2b0/0x2b0
[  350.357669]  ? lock_pi_update_atomic+0x150/0x150
[  350.362451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.368038]  ? lock_acquire+0x1ed/0x520
[  350.372025]  ? ext4_filemap_fault+0x7a/0xad
[  350.376375]  ? lock_release+0xa00/0xa00
[  350.380358]  ? perf_trace_sched_process_exec+0x860/0x860
[  350.385826]  ? print_usage_bug+0xc0/0xc0
[  350.389923]  ? print_usage_bug+0xc0/0xc0
[  350.394015]  ? down_read+0x8d/0x120
[  350.397681]  ? ext4_filemap_fault+0x7a/0xad
[  350.402029]  ? __down_interruptible+0x700/0x700
[  350.406748]  ext4_filemap_fault+0x82/0xad
[  350.410920]  __do_fault+0x100/0x6b0
[  350.414568]  ? pmd_devmap_trans_unstable+0x220/0x220
[  350.419729]  ? mark_held_locks+0x130/0x130
[  350.424005]  ? mark_held_locks+0x130/0x130
[  350.428269]  ? __might_fault+0x12b/0x1e0
[  350.432356]  ? lock_downgrade+0x900/0x900
[  350.436534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.442106]  __handle_mm_fault+0x3ea0/0x5be0
[  350.446554]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  350.451433]  ? _copy_to_user+0xc8/0x110
[  350.455457]  ? zap_class+0x640/0x640
[  350.459195]  ? zap_class+0x640/0x640
[  350.462927]  ? __x64_sys_futex+0x53e/0x6a0
[  350.467198]  ? find_held_lock+0x36/0x1c0
[  350.471297]  ? handle_mm_fault+0x42a/0xc70
[  350.475583]  ? lock_downgrade+0x900/0x900
[  350.479773]  ? check_preemption_disabled+0x48/0x280
[  350.484820]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  350.489780]  ? kasan_check_read+0x11/0x20
[  350.493954]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  350.499265]  ? rcu_softirq_qs+0x20/0x20
[  350.503265]  ? trace_hardirqs_off_caller+0x310/0x310
[  350.508423]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.514031]  ? check_preemption_disabled+0x48/0x280
[  350.519107]  handle_mm_fault+0x54f/0xc70
[  350.523191]  ? __handle_mm_fault+0x5be0/0x5be0
[  350.527801]  ? find_vma+0x34/0x190
[  350.531471]  __do_page_fault+0x5e8/0xe60
[  350.535551]  ? trace_hardirqs_off+0xb8/0x310
[  350.539979]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.545555]  do_page_fault+0xf2/0x7e0
[  350.549376]  ? vmalloc_sync_all+0x30/0x30
[  350.553539]  ? error_entry+0x70/0xd0
[  350.557295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.562334]  ? trace_hardirqs_on_caller+0xc0/0x310
[  350.567303]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.572262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.577133]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.582174]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.587667]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  350.592728]  ? prepare_exit_to_usermode+0x291/0x3b0
[  350.597769]  ? page_fault+0x8/0x30
[  350.601327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.606197]  ? page_fault+0x8/0x30
[  350.610035]  page_fault+0x1e/0x30
[  350.613519] RIP: 0033:0x45ddf3
[  350.616740] Code: Bad RIP value.
[  350.620125] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  350.625506] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  350.632792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  350.640090] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  350.647380] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  350.654677] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  350.662020] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  350.662085] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.669144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.669167] Workqueue: events kernfs_notify_workfn
[  350.675783] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.685049] Call Trace:
[  350.690009] syz-fuzzer cpuset=/ mems_allowed=0
[  350.700260]  <IRQ>
[  350.709594]  dump_stack+0x244/0x39d
[  350.713239]  ? dump_stack_print_info.cold.1+0x20/0x20
[  350.718459]  warn_alloc.cold.116+0xb7/0x1bd
[  350.722794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.727664]  ? lock_downgrade+0x900/0x900
[  350.731838]  ? trace_hardirqs_off+0xb8/0x310
[  350.736270]  ? trace_hardirqs_off+0xb8/0x310
[  350.740709]  __alloc_pages_slowpath+0x2651/0x2de0
[  350.745597]  ? warn_alloc+0x120/0x120
[  350.749425]  ? warn_alloc+0x120/0x120
[  350.753248]  ? __lock_acquire+0x62f/0x4c20
[  350.757502]  ? warn_alloc+0x120/0x120
[  350.761319]  ? print_usage_bug+0xc0/0xc0
[  350.765403]  ? print_usage_bug+0xc0/0xc0
[  350.769481]  ? mark_held_locks+0x130/0x130
[  350.773739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.779313]  ? should_fail+0x22d/0xd01
[  350.783211]  ? zap_class+0x640/0x640
[  350.786985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.792118]  ? __lock_acquire+0x62f/0x4c20
[  350.796378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.801517]  ? should_fail+0x22d/0xd01
[  350.805435]  ? mark_held_locks+0x130/0x130
[  350.809699]  ? mark_held_locks+0x130/0x130
[  350.813959]  ? lock_downgrade+0x900/0x900
[  350.818129]  ? zap_class+0x640/0x640
[  350.821852]  ? zap_class+0x640/0x640
[  350.825577]  ? zap_class+0x640/0x640
[  350.829311]  ? do_raw_spin_unlock+0xa7/0x330
[  350.833737]  ? trace_hardirqs_on+0x310/0x310
[  350.838171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.843730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.849282]  ? check_preemption_disabled+0x48/0x280
[  350.854325]  ? __lock_is_held+0xb5/0x140
[  350.858408]  __alloc_pages_nodemask+0xad8/0xea0
[  350.863092]  ? zap_class+0x640/0x640
[  350.866818]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  350.871869]  ? find_held_lock+0x36/0x1c0
[  350.875959]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.880675]  ? lock_downgrade+0x900/0x900
[  350.884842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.890417]  cache_grow_begin+0xa5/0x8c0
[  350.894495]  ? do_raw_spin_unlock+0xa7/0x330
[  350.898924]  fallback_alloc+0x204/0x2e0
[  350.902920]  ____cache_alloc_node+0x1c7/0x1e0
[  350.907451]  kmem_cache_alloc_node+0xe3/0x730
[  350.911979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  350.916582]  __alloc_skb+0x119/0x770
[  350.920314]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.925701]  ? netdev_alloc_frag+0x1f0/0x1f0
[  350.930139]  ? vprintk_default+0x28/0x30
[  350.934206]  ? vprintk_func+0x85/0x181
[  350.938104]  ? printk+0xa7/0xcf
[  350.941388]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  350.946157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.951726]  new_skb+0x26/0x1c0
[  350.955020]  aoecmd_cfg+0x279/0x7f0
[  350.958665]  ? find_held_lock+0x36/0x1c0
[  350.962740]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  350.967077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.972641]  ? __lock_is_held+0xb5/0x140
[  350.976739]  discover_timer+0x50/0x60
[  350.980549]  call_timer_fn+0x272/0x920
[  350.984472]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  350.989321]  ? process_timeout+0x40/0x40
[  350.993397]  ? mark_held_locks+0xc7/0x130
[  350.997557]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.002088]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.006588]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.011442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  351.016036]  ? trace_hardirqs_on+0xbd/0x310
[  351.020367]  ? kasan_check_read+0x11/0x20
[  351.024543]  ? __run_timers+0x7da/0xc70
[  351.028553]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.033687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  351.038550]  __run_timers+0x7e5/0xc70
[  351.042366]  ? timer_fixup_init+0x70/0x70
[  351.046522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.051562]  ? zap_class+0x640/0x640
[  351.055285]  ? print_usage_bug+0xc0/0xc0
[  351.059378]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.064616]  ? find_held_lock+0x36/0x1c0
[  351.068695]  ? zap_class+0x640/0x640
[  351.072431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.077997]  ? check_preemption_disabled+0x48/0x280
[  351.083052]  ? __lock_is_held+0xb5/0x140
[  351.087135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.092697]  ? check_preemption_disabled+0x48/0x280
[  351.097728]  run_timer_softirq+0x52/0xb0
[  351.101800]  ? rcu_read_lock_sched_held+0x14f/0x180
[  351.106826]  __do_softirq+0x308/0xb7e
[  351.110638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  351.115161]  ? lock_downgrade+0x900/0x900
[  351.119332]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  351.124482]  ? pvclock_read_flags+0x160/0x160
[  351.128989]  ? lapic_next_event+0x5a/0x90
[  351.133147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.138700]  ? kvm_clock_read+0x18/0x30
[  351.142707]  ? kvm_sched_clock_read+0x9/0x20
[  351.147129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.152685]  ? check_preemption_disabled+0x48/0x280
[  351.157728]  irq_exit+0x17f/0x1c0
[  351.161193]  smp_apic_timer_interrupt+0x1cb/0x760
[  351.166049]  ? smp_reschedule_interrupt+0x109/0x650
[  351.171088]  ? smp_call_function_single_interrupt+0x650/0x650
[  351.176995]  ? interrupt_entry+0xb5/0xc0
[  351.181088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.186151]  ? trace_hardirqs_off_caller+0xbb/0x310
[  351.191178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.196028]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.201054]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.206094]  ? task_prio+0x50/0x50
[  351.209666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.215228]  ? check_preemption_disabled+0x48/0x280
[  351.220271]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.225140]  apic_timer_interrupt+0xf/0x20
[  351.229373]  </IRQ>
[  351.231624] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  351.236306] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  351.255224] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  351.262960] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  351.270248] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  351.277539] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  351.284823] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  351.292106] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  351.299467]  ? mark_held_locks+0x130/0x130
[  351.303712]  ? kernfs_notify_workfn+0xf0/0x440
[  351.308308]  ? mark_held_locks+0x130/0x130
[  351.312551]  ? set_next_entity+0x493/0xc70
[  351.316801]  ? mutex_trylock+0x2b0/0x2b0
[  351.320882]  ? update_load_avg+0x2470/0x2470
[  351.325341]  ? zap_class+0x640/0x640
[  351.329085]  ? zap_class+0x640/0x640
[  351.332814]  ? print_usage_bug+0xc0/0xc0
[  351.336906]  ? find_held_lock+0x36/0x1c0
[  351.340998]  ? mark_held_locks+0xc7/0x130
[  351.345159]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.349665]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.354187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.358778]  ? trace_hardirqs_on+0xbd/0x310
[  351.363109]  ? kasan_check_read+0x11/0x20
[  351.367266]  ? kernfs_notify_workfn+0xe2/0x440
[  351.371862]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.376994]  mutex_lock_nested+0x16/0x20
[  351.381061]  ? _raw_spin_unlock_irq+0x60/0x80
[  351.385566]  ? mutex_lock_nested+0x16/0x20
[  351.389819]  kernfs_notify_workfn+0xf0/0x440
[  351.394242]  process_one_work+0xc90/0x1c40
[  351.398488]  ? mark_held_locks+0x130/0x130
[  351.402757]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  351.407437]  ? __switch_to_asm+0x40/0x70
[  351.411500]  ? __switch_to_asm+0x34/0x70
[  351.415563]  ? __switch_to_asm+0x40/0x70
[  351.419628]  ? __switch_to_asm+0x34/0x70
[  351.423727]  ? __switch_to_asm+0x40/0x70
[  351.427797]  ? __switch_to_asm+0x34/0x70
[  351.431869]  ? __switch_to_asm+0x40/0x70
[  351.435949]  ? __switch_to_asm+0x34/0x70
[  351.440012]  ? __switch_to_asm+0x40/0x70
[  351.444089]  ? __schedule+0x8d7/0x21d0
[  351.447997]  ? lock_downgrade+0x900/0x900
[  351.452152]  ? zap_class+0x640/0x640
[  351.455874]  ? zap_class+0x640/0x640
[  351.459596]  ? find_held_lock+0x36/0x1c0
[  351.463676]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.468287]  ? lock_acquire+0x1ed/0x520
[  351.472267]  ? worker_thread+0x3e0/0x1390
[  351.476432]  ? kasan_check_read+0x11/0x20
[  351.480594]  ? do_raw_spin_lock+0x14f/0x350
[  351.484932]  ? kasan_check_read+0x11/0x20
[  351.489089]  ? rwlock_bug.part.2+0x90/0x90
[  351.493328]  ? trace_hardirqs_on+0x310/0x310
[  351.497771]  worker_thread+0x17f/0x1390
[  351.501750]  ? __switch_to_asm+0x34/0x70
[  351.505836]  ? process_one_work+0x1c40/0x1c40
[  351.510382]  ? zap_class+0x640/0x640
[  351.514133]  ? __kthread_parkme+0xce/0x1a0
[  351.518383]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  351.523497]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  351.528626]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  351.533257]  ? trace_hardirqs_on+0xbd/0x310
[  351.537588]  ? kasan_check_read+0x11/0x20
[  351.541743]  ? __kthread_parkme+0xce/0x1a0
[  351.546001]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.551134]  ? trace_hardirqs_off_caller+0x310/0x310
[  351.556264]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  351.561421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.566975]  ? __kthread_parkme+0xfb/0x1a0
[  351.571231]  ? process_one_work+0x1c40/0x1c40
[  351.575739]  kthread+0x35a/0x440
[  351.579138]  ? kthread_stop+0x900/0x900
[  351.583127]  ret_from_fork+0x3a/0x50
[  351.586861] warn_alloc_show_mem: 1 callbacks suppressed
[  351.586873] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  351.586875] Mem-Info:
[  351.586908] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  351.586908]  active_file:9 inactive_file:10 isolated_file:8
[  351.586908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.586908]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  351.586908]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  351.586908]  free:13786 free_pcp:282 free_cma:0
[  351.592251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.599281] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.601690] Call Trace:
[  351.634685] 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
[  351.644063]  <IRQ>
[  351.671929] lowmem_reserve[]: 0 2818 6321 6321
[  351.674520]  dump_stack+0x244/0x39d
[  351.700612] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  351.702787]  ? dump_stack_print_info.cold.1+0x20/0x20
[  351.707367] lowmem_reserve[]: 0 0 3503 3503
[  351.711004]  warn_alloc.cold.116+0xb7/0x1bd
[  351.738324] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  351.744014]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.748318] lowmem_reserve[]: 0 0 0 0
[  351.752660]  ? lock_downgrade+0x900/0x900
[  351.781533] 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
[  351.786395]  ? trace_hardirqs_off+0xb8/0x310
[  351.790168] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  351.794324]  ? trace_hardirqs_off+0xb8/0x310
[  351.807833] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  351.812253]  __alloc_pages_slowpath+0x2651/0x2de0
[  351.827411] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  351.831851]  ? warn_alloc+0x120/0x120
[  351.846838] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  351.851688]  ? print_usage_bug+0xc0/0xc0
[  351.860514] 4366 total pagecache pages
[  351.864329]  ? warn_alloc+0x120/0x120
[  351.872889] 0 pages in swap cache
[  351.876965]  ? warn_alloc+0x120/0x120
[  351.880829] Swap cache stats: add 0, delete 0, find 0/0
[  351.884629]  ? print_usage_bug+0xc0/0xc0
[  351.888056] Free swap  = 0kB
[  351.891858]  ? kvm_clock_read+0x18/0x30
[  351.897204] Total swap = 0kB
[  351.901297]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  351.904295] 1965979 pages RAM
[  351.908270]  ? print_usage_bug+0xc0/0xc0
[  351.911267] 0 pages HighMem/MovableOnly
[  351.916327]  ? __lock_acquire+0x62f/0x4c20
[  351.919406] 342854 pages reserved
[  351.923478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.927432] 0 pages cma reserved
[  351.931697]  ? should_fail+0x22d/0xd01
[  351.935200] aoe: skb alloc failure
[  351.940685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  351.940706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.940725]  ? __lock_acquire+0x62f/0x4c20
[  351.944110] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  351.947970]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.951483] kworker/0:2 cpuset=/ mems_allowed=0
[  351.956763]  ? __lock_acquire+0x62f/0x4c20
[  351.990391]  ? should_fail+0x22d/0xd01
[  351.994285]  ? rcu_irq_exit+0x1a2/0x390
[  351.998280]  ? mark_held_locks+0x130/0x130
[  352.002530]  ? mark_held_locks+0x130/0x130
[  352.006784]  ? mark_held_locks+0xc7/0x130
[  352.010951]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  352.015991]  ? zap_class+0x640/0x640
[  352.019713]  ? print_usage_bug+0xc0/0xc0
[  352.023785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.029335]  ? check_preemption_disabled+0x48/0x280
[  352.034384]  ? __lock_is_held+0xb5/0x140
[  352.038463]  __alloc_pages_nodemask+0xad8/0xea0
[  352.043143]  ? zap_class+0x640/0x640
[  352.046878]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  352.051928]  ? find_held_lock+0x36/0x1c0
[  352.056031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.060713]  ? lock_downgrade+0x900/0x900
[  352.064880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.070442]  cache_grow_begin+0xa5/0x8c0
[  352.074549]  ? do_raw_spin_unlock+0xa7/0x330
[  352.078973]  fallback_alloc+0x204/0x2e0
[  352.082958]  ____cache_alloc_node+0x1c7/0x1e0
[  352.087472]  kmem_cache_alloc_node+0xe3/0x730
[  352.091976]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.096243]  __alloc_skb+0x119/0x770
[  352.099993]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.105314]  ? netdev_alloc_frag+0x1f0/0x1f0
[  352.109728]  ? lock_downgrade+0x900/0x900
[  352.113907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.119471]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.124946]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.130407]  ? addrconf_rs_timer+0x690/0x690
[  352.134843]  ndisc_alloc_skb+0x144/0x340
[  352.138920]  ndisc_send_rs+0x331/0x6e0
[  352.142822]  addrconf_rs_timer+0x314/0x690
[  352.147070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.151322]  call_timer_fn+0x272/0x920
[  352.155236]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.159490]  ? process_timeout+0x40/0x40
[  352.163568]  ? mark_held_locks+0xc7/0x130
[  352.167740]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.172244]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.176750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.181009]  ? lockdep_hardirqs_on+0x296/0x5b0
[  352.185606]  ? trace_hardirqs_on+0xbd/0x310
[  352.189968]  ? kasan_check_read+0x11/0x20
[  352.194124]  ? __run_timers+0x7da/0xc70
[  352.198108]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.203224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.207475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.211732]  __run_timers+0x7e5/0xc70
[  352.215552]  ? timer_fixup_init+0x70/0x70
[  352.219724]  ? kasan_check_read+0x11/0x20
[  352.223882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.229198]  ? rcu_softirq_qs+0x20/0x20
[  352.233183]  ? mark_held_locks+0xc7/0x130
[  352.237346]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.242116]  ? retint_kernel+0x2d/0x2d
[  352.246026]  ? trace_hardirqs_on_caller+0xc0/0x310
[  352.250971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  352.255739]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.261200]  ? zap_class+0x640/0x640
[  352.264930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.270480]  ? check_preemption_disabled+0x48/0x280
[  352.275518]  ? __lock_is_held+0xb5/0x140
[  352.279591]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.285146]  ? check_preemption_disabled+0x48/0x280
[  352.290196]  run_timer_softirq+0x52/0xb0
[  352.294265]  ? rcu_read_lock_sched_held+0x14f/0x180
[  352.299294]  __do_softirq+0x308/0xb7e
[  352.303116]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  352.307629]  ? lock_downgrade+0x900/0x900
[  352.311820]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  352.316954]  ? pvclock_read_flags+0x160/0x160
[  352.321460]  ? lapic_next_event+0x5a/0x90
[  352.325626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.331192]  ? kvm_clock_read+0x18/0x30
[  352.335180]  ? kvm_sched_clock_read+0x9/0x20
[  352.339597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.345161]  ? check_preemption_disabled+0x48/0x280
[  352.350196]  irq_exit+0x17f/0x1c0
[  352.353666]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.358521]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.364421]  ? interrupt_entry+0xb5/0xc0
[  352.368488]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.373528]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.378556]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.383409]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.388446]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.393477]  ? task_prio+0x50/0x50
[  352.397038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.402587]  ? check_preemption_disabled+0x48/0x280
[  352.407617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.412476]  apic_timer_interrupt+0xf/0x20
[  352.416732]  </IRQ>
[  352.418983] RIP: 0010:dump_stack+0x358/0x39d
[  352.423409] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  352.442332] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  352.450059] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  352.457343] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  352.464625] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  352.471909] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  352.479188] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  352.486505]  ? dump_stack+0x34f/0x39d
[  352.490320]  ? dump_stack_print_info.cold.1+0x20/0x20
[  352.495520]  ? mark_held_locks+0x130/0x130
[  352.499776]  ? mark_held_locks+0x130/0x130
[  352.504037]  dump_header+0x27b/0xf72
[  352.507770]  ? pagefault_out_of_memory+0x197/0x197
[  352.512726]  ? __lock_acquire+0x62f/0x4c20
[  352.516989]  ? percpu_ref_get_many+0x240/0x240
[  352.521584]  ? print_usage_bug+0xc0/0xc0
[  352.525679]  ? zap_class+0x640/0x640
[  352.529405]  ? print_usage_bug+0xc0/0xc0
[  352.533486]  ? print_usage_bug+0xc0/0xc0
[  352.537568]  ? zap_class+0x640/0x640
[  352.541307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.546871]  ? find_held_lock+0x36/0x1c0
[  352.550964]  ? mark_held_locks+0xc7/0x130
[  352.555122]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.560231]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  352.565345]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  352.569934]  ? trace_hardirqs_on+0xbd/0x310
[  352.574268]  ? kasan_check_read+0x11/0x20
[  352.578433]  ? ___ratelimit+0x3b4/0x672
[  352.582423]  ? trace_hardirqs_off_caller+0x310/0x310
[  352.587541]  ? trace_hardirqs_on+0x310/0x310
[  352.591975]  ? lock_downgrade+0x900/0x900
[  352.596139]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  352.601253]  ? ___ratelimit+0x3b9/0x672
[  352.605243]  ? idr_get_free+0xf70/0xf70
[  352.609227]  ? find_held_lock+0x36/0x1c0
[  352.613559]  oom_kill_process.cold.27+0x10/0x903
[  352.618335]  ? zap_class+0x640/0x640
[  352.622058]  ? check_preemption_disabled+0x48/0x280
[  352.627085]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.632025]  ? kasan_check_read+0x11/0x20
[  352.636180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.641467]  ? oom_evaluate_task+0x540/0x540
[  352.645897]  ? find_held_lock+0x36/0x1c0
[  352.649978]  ? out_of_memory+0x974/0x1430
[  352.654144]  ? lock_downgrade+0x900/0x900
[  352.658298]  ? check_preemption_disabled+0x48/0x280
[  352.663334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.668284]  ? kasan_check_read+0x11/0x20
[  352.672442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.677730]  ? rcu_softirq_qs+0x20/0x20
[  352.681718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.687265]  ? oom_evaluate_task+0x302/0x540
[  352.691692]  out_of_memory+0xa84/0x1430
[  352.695691]  ? oom_killer_disable+0x3a0/0x3a0
[  352.700202]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  352.705145]  ? __ww_mutex_check_waiters+0x160/0x160
[  352.710183]  __alloc_pages_slowpath+0x232c/0x2de0
[  352.715068]  ? warn_alloc+0x120/0x120
[  352.718872]  ? mark_held_locks+0x130/0x130
[  352.723118]  ? find_get_entry+0xaae/0x1120
[  352.727385]  ? filemap_map_pages+0x1a20/0x1a20
[  352.731999]  ? zap_class+0x640/0x640
[  352.735741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.741292]  ? check_preemption_disabled+0x48/0x280
[  352.746318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.751897]  ? should_fail+0x22d/0xd01
[  352.755798]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.760913]  ? zap_class+0x640/0x640
[  352.764667]  ? __lock_is_held+0xb5/0x140
[  352.768746]  ? mark_held_locks+0x130/0x130
[  352.772992]  ? lock_release+0xa00/0xa00
[  352.776985]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.782454]  ? xa_load+0x2ba/0x460
[  352.786004]  ? lock_downgrade+0x900/0x900
[  352.790166]  ? __might_sleep+0x95/0x190
[  352.794152]  __alloc_pages_nodemask+0xad8/0xea0
[  352.798839]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  352.803865]  ? __page_cache_alloc+0x191/0x5c0
[  352.808381]  ? xa_load+0x2e1/0x460
[  352.811931]  ? xa_clear_mark+0x40/0x40
[  352.815829]  ? zap_class+0x640/0x640
[  352.819560]  ? zap_class+0x640/0x640
[  352.823283]  ? zap_class+0x640/0x640
[  352.827002]  ? __do_page_cache_readahead+0x663/0x810
[  352.832117]  ? find_held_lock+0x36/0x1c0
[  352.836195]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  352.841750]  alloc_pages_current+0x173/0x350
[  352.846173]  __page_cache_alloc+0x38c/0x5c0
[  352.850500]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.855439]  ? kasan_check_read+0x11/0x20
[  352.859696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.864985]  ? generic_perform_write+0x6a0/0x6a0
[  352.869754]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.875303]  ? check_preemption_disabled+0x48/0x280
[  352.880337]  filemap_fault+0x1595/0x25f0
[  352.884423]  ? __lock_page_or_retry+0xa00/0xa00
[  352.889105]  ? mark_held_locks+0x130/0x130
[  352.893361]  ? filemap_map_pages+0xd6b/0x1a20
[  352.897864]  ? lock_downgrade+0x900/0x900
[  352.902023]  ? check_preemption_disabled+0x48/0x280
[  352.907052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  352.912004]  ? kasan_check_read+0x11/0x20
[  352.916172]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  352.921461]  ? rcu_softirq_qs+0x20/0x20
[  352.925462]  ? filemap_map_pages+0xd92/0x1a20
[  352.929993]  ? find_get_entries_tag+0x1400/0x1400
[  352.934847]  ? debug_object_destroy+0x2b0/0x2b0
[  352.939528]  ? lock_pi_update_atomic+0x150/0x150
[  352.944298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.949864]  ? lock_acquire+0x1ed/0x520
[  352.953842]  ? ext4_filemap_fault+0x7a/0xad
[  352.958187]  ? lock_release+0xa00/0xa00
[  352.962165]  ? perf_trace_sched_process_exec+0x860/0x860
[  352.967630]  ? print_usage_bug+0xc0/0xc0
[  352.971714]  ? print_usage_bug+0xc0/0xc0
[  352.975791]  ? down_read+0x8d/0x120
[  352.979423]  ? ext4_filemap_fault+0x7a/0xad
[  352.983761]  ? __down_interruptible+0x700/0x700
[  352.988452]  ext4_filemap_fault+0x82/0xad
[  352.992626]  __do_fault+0x100/0x6b0
[  352.996287]  ? pmd_devmap_trans_unstable+0x220/0x220
[  353.001402]  ? mark_held_locks+0x130/0x130
[  353.005669]  ? mark_held_locks+0x130/0x130
[  353.009913]  ? __might_fault+0x12b/0x1e0
[  353.014011]  ? lock_downgrade+0x900/0x900
[  353.018197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.023753]  __handle_mm_fault+0x3ea0/0x5be0
[  353.028188]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  353.033046]  ? _copy_to_user+0xc8/0x110
[  353.037044]  ? zap_class+0x640/0x640
[  353.040773]  ? zap_class+0x640/0x640
[  353.044500]  ? __x64_sys_futex+0x53e/0x6a0
[  353.048750]  ? find_held_lock+0x36/0x1c0
[  353.052832]  ? handle_mm_fault+0x42a/0xc70
[  353.057081]  ? lock_downgrade+0x900/0x900
[  353.061237]  ? check_preemption_disabled+0x48/0x280
[  353.066266]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  353.071203]  ? kasan_check_read+0x11/0x20
[  353.075363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  353.080648]  ? rcu_softirq_qs+0x20/0x20
[  353.084689]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.089820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.095367]  ? check_preemption_disabled+0x48/0x280
[  353.100404]  handle_mm_fault+0x54f/0xc70
[  353.104506]  ? __handle_mm_fault+0x5be0/0x5be0
[  353.109138]  ? find_vma+0x34/0x190
[  353.112711]  __do_page_fault+0x5e8/0xe60
[  353.116777]  ? trace_hardirqs_off+0xb8/0x310
[  353.121195]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.126759]  do_page_fault+0xf2/0x7e0
[  353.130568]  ? vmalloc_sync_all+0x30/0x30
[  353.134723]  ? error_entry+0x70/0xd0
[  353.138446]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.143468]  ? trace_hardirqs_on_caller+0xc0/0x310
[  353.148474]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.153429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.158286]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.163309]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.168773]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  353.173802]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.178830]  ? page_fault+0x8/0x30
[  353.182381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.187242]  ? page_fault+0x8/0x30
[  353.190787]  page_fault+0x1e/0x30
[  353.194248] RIP: 0033:0x45ddf3
[  353.197460] Code: Bad RIP value.
[  353.200852] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  353.206231] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  353.213507] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  353.220784] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  353.228064] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  353.235364] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  353.242684] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  353.242749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  353.249799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.249821] Workqueue: events kernfs_notify_workfn
[  353.249828] Call Trace:
[  353.249835]  <IRQ>
[  353.249859]  dump_stack+0x244/0x39d
[  353.256396] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  353.265711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  353.270621] syz-fuzzer cpuset=/ mems_allowed=0
[  353.273214]  warn_alloc.cold.116+0xb7/0x1bd
[  353.303265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.308121]  ? lock_downgrade+0x900/0x900
[  353.312288]  ? trace_hardirqs_off+0xb8/0x310
[  353.316719]  ? trace_hardirqs_off+0xb8/0x310
[  353.321162]  __alloc_pages_slowpath+0x2651/0x2de0
[  353.326042]  ? warn_alloc+0x120/0x120
[  353.329860]  ? warn_alloc+0x120/0x120
[  353.333684]  ? __lock_acquire+0x62f/0x4c20
[  353.337938]  ? warn_alloc+0x120/0x120
[  353.341746]  ? print_usage_bug+0xc0/0xc0
[  353.345829]  ? print_usage_bug+0xc0/0xc0
[  353.349897]  ? mark_held_locks+0x130/0x130
[  353.354153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.359702]  ? should_fail+0x22d/0xd01
[  353.363593]  ? zap_class+0x640/0x640
[  353.367321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.372463]  ? __lock_acquire+0x62f/0x4c20
[  353.376709]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  353.381831]  ? should_fail+0x22d/0xd01
[  353.385735]  ? mark_held_locks+0x130/0x130
[  353.389977]  ? mark_held_locks+0x130/0x130
[  353.394235]  ? lock_downgrade+0x900/0x900
[  353.398388]  ? zap_class+0x640/0x640
[  353.402120]  ? zap_class+0x640/0x640
[  353.405841]  ? zap_class+0x640/0x640
[  353.409559]  ? do_raw_spin_unlock+0xa7/0x330
[  353.413985]  ? trace_hardirqs_on+0x310/0x310
[  353.418405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.423969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.429537]  ? check_preemption_disabled+0x48/0x280
[  353.434574]  ? __lock_is_held+0xb5/0x140
[  353.438647]  __alloc_pages_nodemask+0xad8/0xea0
[  353.443350]  ? zap_class+0x640/0x640
[  353.447078]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  353.452130]  ? find_held_lock+0x36/0x1c0
[  353.456218]  ? ____cache_alloc_node+0x1c7/0x1e0
[  353.460904]  ? lock_downgrade+0x900/0x900
[  353.465087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.470666]  cache_grow_begin+0xa5/0x8c0
[  353.474742]  ? do_raw_spin_unlock+0xa7/0x330
[  353.479165]  fallback_alloc+0x204/0x2e0
[  353.483159]  ____cache_alloc_node+0x1c7/0x1e0
[  353.487687]  kmem_cache_alloc_node+0xe3/0x730
[  353.492207]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.496806]  __alloc_skb+0x119/0x770
[  353.500523]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  353.505922]  ? netdev_alloc_frag+0x1f0/0x1f0
[  353.510342]  ? vprintk_default+0x28/0x30
[  353.514413]  ? vprintk_func+0x85/0x181
[  353.518316]  ? printk+0xa7/0xcf
[  353.521601]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  353.526397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.531968]  new_skb+0x26/0x1c0
[  353.535259]  aoecmd_cfg+0x279/0x7f0
[  353.538893]  ? find_held_lock+0x36/0x1c0
[  353.542992]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  353.547336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.552899]  ? __lock_is_held+0xb5/0x140
[  353.557001]  discover_timer+0x50/0x60
[  353.560821]  call_timer_fn+0x272/0x920
[  353.564717]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.569567]  ? process_timeout+0x40/0x40
[  353.573643]  ? mark_held_locks+0xc7/0x130
[  353.577808]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.582307]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.586807]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.591663]  ? lockdep_hardirqs_on+0x296/0x5b0
[  353.596271]  ? trace_hardirqs_on+0xbd/0x310
[  353.600598]  ? kasan_check_read+0x11/0x20
[  353.604766]  ? __run_timers+0x7da/0xc70
[  353.608762]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.613888]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  353.618749]  __run_timers+0x7e5/0xc70
[  353.622567]  ? timer_fixup_init+0x70/0x70
[  353.626745]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.631779]  ? zap_class+0x640/0x640
[  353.635504]  ? print_usage_bug+0xc0/0xc0
[  353.639577]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  353.644789]  ? find_held_lock+0x36/0x1c0
[  353.648876]  ? zap_class+0x640/0x640
[  353.652612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.658206]  ? check_preemption_disabled+0x48/0x280
[  353.663245]  ? __lock_is_held+0xb5/0x140
[  353.667333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.672885]  ? check_preemption_disabled+0x48/0x280
[  353.677930]  run_timer_softirq+0x52/0xb0
[  353.681999]  ? rcu_read_lock_sched_held+0x14f/0x180
[  353.687074]  __do_softirq+0x308/0xb7e
[  353.690886]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  353.695393]  ? lock_downgrade+0x900/0x900
[  353.699558]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  353.704686]  ? pvclock_read_flags+0x160/0x160
[  353.709194]  ? lapic_next_event+0x5a/0x90
[  353.713354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.718926]  ? kvm_clock_read+0x18/0x30
[  353.722943]  ? kvm_sched_clock_read+0x9/0x20
[  353.727365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.732921]  ? check_preemption_disabled+0x48/0x280
[  353.737984]  irq_exit+0x17f/0x1c0
[  353.741669]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.746524]  ? smp_reschedule_interrupt+0x109/0x650
[  353.751550]  ? smp_call_function_single_interrupt+0x650/0x650
[  353.757445]  ? interrupt_entry+0xb5/0xc0
[  353.761519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.766567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.771596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.776458]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.781490]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.786519]  ? task_prio+0x50/0x50
[  353.790069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.795623]  ? check_preemption_disabled+0x48/0x280
[  353.800670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.805530]  apic_timer_interrupt+0xf/0x20
[  353.809790]  </IRQ>
[  353.812034] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  353.816712] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  353.835644] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  353.843374] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  353.850660] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  353.857958] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  353.865242] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  353.872522] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  353.879840]  ? mark_held_locks+0x130/0x130
[  353.884083]  ? kernfs_notify_workfn+0xf0/0x440
[  353.888687]  ? mark_held_locks+0x130/0x130
[  353.892938]  ? set_next_entity+0x493/0xc70
[  353.897183]  ? mutex_trylock+0x2b0/0x2b0
[  353.901263]  ? update_load_avg+0x2470/0x2470
[  353.905695]  ? zap_class+0x640/0x640
[  353.909434]  ? zap_class+0x640/0x640
[  353.913159]  ? print_usage_bug+0xc0/0xc0
[  353.917262]  ? find_held_lock+0x36/0x1c0
[  353.921355]  ? mark_held_locks+0xc7/0x130
[  353.925516]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.930017]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.934530]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  353.939126]  ? trace_hardirqs_on+0xbd/0x310
[  353.943457]  ? kasan_check_read+0x11/0x20
[  353.947616]  ? kernfs_notify_workfn+0xe2/0x440
[  353.952222]  ? trace_hardirqs_off_caller+0x310/0x310
[  353.957351]  mutex_lock_nested+0x16/0x20
[  353.961418]  ? _raw_spin_unlock_irq+0x60/0x80
[  353.965930]  ? mutex_lock_nested+0x16/0x20
[  353.970202]  kernfs_notify_workfn+0xf0/0x440
[  353.974630]  process_one_work+0xc90/0x1c40
[  353.978882]  ? mark_held_locks+0x130/0x130
[  353.983146]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  353.987822]  ? __switch_to_asm+0x40/0x70
[  353.991900]  ? __switch_to_asm+0x34/0x70
[  353.996010]  ? __switch_to_asm+0x40/0x70
[  354.000107]  ? __switch_to_asm+0x34/0x70
[  354.004204]  ? __switch_to_asm+0x40/0x70
[  354.008270]  ? __switch_to_asm+0x34/0x70
[  354.012333]  ? __switch_to_asm+0x40/0x70
[  354.016396]  ? __switch_to_asm+0x34/0x70
[  354.020471]  ? __switch_to_asm+0x40/0x70
[  354.024545]  ? __schedule+0x8d7/0x21d0
[  354.028446]  ? lock_downgrade+0x900/0x900
[  354.032618]  ? zap_class+0x640/0x640
[  354.036350]  ? zap_class+0x640/0x640
[  354.040096]  ? find_held_lock+0x36/0x1c0
[  354.044185]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  354.048792]  ? lock_acquire+0x1ed/0x520
[  354.052773]  ? worker_thread+0x3e0/0x1390
[  354.056942]  ? kasan_check_read+0x11/0x20
[  354.061104]  ? do_raw_spin_lock+0x14f/0x350
[  354.065447]  ? kasan_check_read+0x11/0x20
[  354.069603]  ? rwlock_bug.part.2+0x90/0x90
[  354.073866]  ? trace_hardirqs_on+0x310/0x310
[  354.078295]  worker_thread+0x17f/0x1390
[  354.082275]  ? __switch_to_asm+0x34/0x70
[  354.086355]  ? process_one_work+0x1c40/0x1c40
[  354.090869]  ? zap_class+0x640/0x640
[  354.094623]  ? __kthread_parkme+0xce/0x1a0
[  354.098872]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.103997]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  354.109111]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  354.113708]  ? trace_hardirqs_on+0xbd/0x310
[  354.118049]  ? kasan_check_read+0x11/0x20
[  354.122233]  ? __kthread_parkme+0xce/0x1a0
[  354.126492]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.131610]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.136733]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  354.141849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.147440]  ? __kthread_parkme+0xfb/0x1a0
[  354.151699]  ? process_one_work+0x1c40/0x1c40
[  354.156214]  kthread+0x35a/0x440
[  354.159585]  ? kthread_stop+0x900/0x900
[  354.163569]  ret_from_fork+0x3a/0x50
[  354.167308] warn_alloc_show_mem: 1 callbacks suppressed
[  354.167320] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  354.167321] Mem-Info:
[  354.167354] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  354.167354]  active_file:9 inactive_file:10 isolated_file:8
[  354.167354]  unevictable:0 dirty:0 writeback:0 unstable:0
[  354.167354]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  354.167354]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  354.167354]  free:13786 free_pcp:282 free_cma:0
[  354.172707] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  354.179734] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  354.182136] Call Trace:
[  354.215117] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  354.224477]  <IRQ>
[  354.252328] lowmem_reserve[]: 0 2818 6321 6321
[  354.254919]  dump_stack+0x244/0x39d
[  354.281020] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  354.283184]  ? dump_stack_print_info.cold.1+0x20/0x20
[  354.287723] lowmem_reserve[]: 0 0 3503 3503
[  354.291372]  warn_alloc.cold.116+0xb7/0x1bd
[  354.318684] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  354.323890]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  354.328182] lowmem_reserve[]: 0 0 0 0
[  354.332512]  ? lock_downgrade+0x900/0x900
[  354.361386] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  354.366243]  ? trace_hardirqs_off+0xb8/0x310
[  354.370013] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  354.374168]  ? trace_hardirqs_off+0xb8/0x310
[  354.387690] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  354.392117]  __alloc_pages_slowpath+0x2651/0x2de0
[  354.407280] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.411749]  ? warn_alloc+0x120/0x120
[  354.426726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.431586]  ? print_usage_bug+0xc0/0xc0
[  354.440413] 4366 total pagecache pages
[  354.444229]  ? warn_alloc+0x120/0x120
[  354.452791] 0 pages in swap cache
[  354.456863]  ? warn_alloc+0x120/0x120
[  354.460723] Swap cache stats: add 0, delete 0, find 0/0
[  354.460732] Free swap  = 0kB
[  354.464539]  ? print_usage_bug+0xc0/0xc0
[  354.467970] Total swap = 0kB
[  354.471792]  ? print_usage_bug+0xc0/0xc0
[  354.477131] 1965979 pages RAM
[  354.480161]  ? __lock_acquire+0x62f/0x4c20
[  354.484195] 0 pages HighMem/MovableOnly
[  354.487243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.491270] 342854 pages reserved
[  354.491279] 0 pages cma reserved
[  354.494400]  ? should_fail+0x22d/0xd01
[  354.498696] aoe: skb alloc failure
[  354.502637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.502663]  ? __lock_acquire+0x62f/0x4c20
[  354.502682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.508235] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.511669]  ? __lock_acquire+0x62f/0x4c20
[  354.515017] kworker/0:2 cpuset=/ mems_allowed=0
[  354.518902]  ? should_fail+0x22d/0xd01
[  354.518919]  ? find_held_lock+0x36/0x1c0
[  354.564063]  ? mark_held_locks+0x130/0x130
[  354.568320]  ? mark_held_locks+0x130/0x130
[  354.572557]  ? zap_class+0x640/0x640
[  354.576294]  ? zap_class+0x640/0x640
[  354.580031]  ? print_usage_bug+0xc0/0xc0
[  354.584095]  ? do_raw_spin_unlock+0xa7/0x330
[  354.588511]  ? zap_class+0x640/0x640
[  354.592230]  ? print_usage_bug+0xc0/0xc0
[  354.596306]  ? wq_watchdog_touch+0x9c/0xfe
[  354.600609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.606175]  ? check_preemption_disabled+0x48/0x280
[  354.611486]  ? __lock_is_held+0xb5/0x140
[  354.615562]  __alloc_pages_nodemask+0xad8/0xea0
[  354.620240]  ? zap_class+0x640/0x640
[  354.623970]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  354.629011]  ? find_held_lock+0x36/0x1c0
[  354.633095]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.637789]  ? lock_downgrade+0x900/0x900
[  354.641967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.647534]  cache_grow_begin+0xa5/0x8c0
[  354.651615]  ? do_raw_spin_unlock+0xa7/0x330
[  354.656053]  fallback_alloc+0x204/0x2e0
[  354.660048]  ____cache_alloc_node+0x1c7/0x1e0
[  354.664579]  kmem_cache_alloc_node+0xe3/0x730
[  354.669082]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.673339]  __alloc_skb+0x119/0x770
[  354.677059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.682376]  ? netdev_alloc_frag+0x1f0/0x1f0
[  354.686815]  ? lock_downgrade+0x900/0x900
[  354.690981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.696531]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.701996]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.707483]  ? addrconf_rs_timer+0x690/0x690
[  354.711917]  ndisc_alloc_skb+0x144/0x340
[  354.715993]  ndisc_send_rs+0x331/0x6e0
[  354.719893]  addrconf_rs_timer+0x314/0x690
[  354.724140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.728403]  call_timer_fn+0x272/0x920
[  354.732317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.736574]  ? process_timeout+0x40/0x40
[  354.740667]  ? mark_held_locks+0xc7/0x130
[  354.744829]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.749331]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.753836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.758080]  ? lockdep_hardirqs_on+0x296/0x5b0
[  354.762679]  ? trace_hardirqs_on+0xbd/0x310
[  354.767011]  ? kasan_check_read+0x11/0x20
[  354.771165]  ? __run_timers+0x7da/0xc70
[  354.775145]  ? trace_hardirqs_off_caller+0x310/0x310
[  354.780263]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.784510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.788767]  __run_timers+0x7e5/0xc70
[  354.792597]  ? timer_fixup_init+0x70/0x70
[  354.796753]  ? kasan_check_read+0x11/0x20
[  354.800908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  354.806280]  ? rcu_softirq_qs+0x20/0x20
[  354.810272]  ? mark_held_locks+0xc7/0x130
[  354.814455]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.819238]  ? retint_kernel+0x2d/0x2d
[  354.823134]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.828073]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  354.832839]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.838308]  ? zap_class+0x640/0x640
[  354.842036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.847587]  ? check_preemption_disabled+0x48/0x280
[  354.852627]  ? __lock_is_held+0xb5/0x140
[  354.856709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.862261]  ? check_preemption_disabled+0x48/0x280
[  354.867294]  run_timer_softirq+0x52/0xb0
[  354.871364]  ? rcu_read_lock_sched_held+0x14f/0x180
[  354.876394]  __do_softirq+0x308/0xb7e
[  354.880213]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  354.884716]  ? lock_downgrade+0x900/0x900
[  354.888877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  354.893999]  ? pvclock_read_flags+0x160/0x160
[  354.898523]  ? lapic_next_event+0x5a/0x90
[  354.902710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.908266]  ? kvm_clock_read+0x18/0x30
[  354.912260]  ? kvm_sched_clock_read+0x9/0x20
[  354.916690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.922259]  ? check_preemption_disabled+0x48/0x280
[  354.927314]  irq_exit+0x17f/0x1c0
[  354.930788]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.935687]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.941595]  ? interrupt_entry+0xb5/0xc0
[  354.945671]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.950700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.955737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.960594]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.965618]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.970665]  ? task_prio+0x50/0x50
[  354.974219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.979771]  ? check_preemption_disabled+0x48/0x280
[  354.984809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.989689]  apic_timer_interrupt+0xf/0x20
[  354.993924]  </IRQ>
[  354.996172] RIP: 0010:dump_stack+0x358/0x39d
[  355.000605] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  355.019532] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  355.027257] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  355.034547] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  355.041829] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  355.049115] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  355.056398] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  355.063727]  ? dump_stack+0x34f/0x39d
[  355.067549]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.072749]  ? mark_held_locks+0x130/0x130
[  355.076998]  ? mark_held_locks+0x130/0x130
[  355.081260]  dump_header+0x27b/0xf72
[  355.085010]  ? pagefault_out_of_memory+0x197/0x197
[  355.089970]  ? __lock_acquire+0x62f/0x4c20
[  355.094224]  ? percpu_ref_get_many+0x240/0x240
[  355.098844]  ? print_usage_bug+0xc0/0xc0
[  355.102928]  ? zap_class+0x640/0x640
[  355.106660]  ? print_usage_bug+0xc0/0xc0
[  355.110730]  ? print_usage_bug+0xc0/0xc0
[  355.114807]  ? zap_class+0x640/0x640
[  355.118532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.124092]  ? find_held_lock+0x36/0x1c0
[  355.128173]  ? mark_held_locks+0xc7/0x130
[  355.132335]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.137465]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  355.142598]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  355.147205]  ? trace_hardirqs_on+0xbd/0x310
[  355.151542]  ? kasan_check_read+0x11/0x20
[  355.155699]  ? ___ratelimit+0x3b4/0x672
[  355.159687]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.164807]  ? trace_hardirqs_on+0x310/0x310
[  355.169231]  ? lock_downgrade+0x900/0x900
[  355.173412]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  355.178544]  ? ___ratelimit+0x3b9/0x672
[  355.182527]  ? idr_get_free+0xf70/0xf70
[  355.186515]  ? find_held_lock+0x36/0x1c0
[  355.190604]  oom_kill_process.cold.27+0x10/0x903
[  355.195369]  ? zap_class+0x640/0x640
[  355.199110]  ? check_preemption_disabled+0x48/0x280
[  355.204137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.209095]  ? kasan_check_read+0x11/0x20
[  355.213251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.218541]  ? oom_evaluate_task+0x540/0x540
[  355.222971]  ? find_held_lock+0x36/0x1c0
[  355.227055]  ? out_of_memory+0x974/0x1430
[  355.231211]  ? lock_downgrade+0x900/0x900
[  355.235368]  ? check_preemption_disabled+0x48/0x280
[  355.240401]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.245365]  ? kasan_check_read+0x11/0x20
[  355.249539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.254840]  ? rcu_softirq_qs+0x20/0x20
[  355.258825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.264376]  ? oom_evaluate_task+0x302/0x540
[  355.268794]  out_of_memory+0xa84/0x1430
[  355.272785]  ? oom_killer_disable+0x3a0/0x3a0
[  355.277292]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  355.282261]  ? __ww_mutex_check_waiters+0x160/0x160
[  355.287301]  __alloc_pages_slowpath+0x232c/0x2de0
[  355.292192]  ? warn_alloc+0x120/0x120
[  355.296010]  ? mark_held_locks+0x130/0x130
[  355.300257]  ? find_get_entry+0xaae/0x1120
[  355.304515]  ? filemap_map_pages+0x1a20/0x1a20
[  355.309115]  ? zap_class+0x640/0x640
[  355.312840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.318421]  ? check_preemption_disabled+0x48/0x280
[  355.323452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.328994]  ? should_fail+0x22d/0xd01
[  355.332898]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.338015]  ? zap_class+0x640/0x640
[  355.341783]  ? __lock_is_held+0xb5/0x140
[  355.345859]  ? mark_held_locks+0x130/0x130
[  355.350105]  ? lock_release+0xa00/0xa00
[  355.354085]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.359552]  ? xa_load+0x2ba/0x460
[  355.363110]  ? lock_downgrade+0x900/0x900
[  355.367272]  ? __might_sleep+0x95/0x190
[  355.371260]  __alloc_pages_nodemask+0xad8/0xea0
[  355.375947]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  355.380992]  ? __page_cache_alloc+0x191/0x5c0
[  355.385497]  ? xa_load+0x2e1/0x460
[  355.389043]  ? xa_clear_mark+0x40/0x40
[  355.392958]  ? zap_class+0x640/0x640
[  355.396698]  ? zap_class+0x640/0x640
[  355.400423]  ? zap_class+0x640/0x640
[  355.404158]  ? __do_page_cache_readahead+0x663/0x810
[  355.409295]  ? find_held_lock+0x36/0x1c0
[  355.413375]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  355.418942]  alloc_pages_current+0x173/0x350
[  355.423374]  __page_cache_alloc+0x38c/0x5c0
[  355.427712]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.432673]  ? kasan_check_read+0x11/0x20
[  355.436843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.442147]  ? generic_perform_write+0x6a0/0x6a0
[  355.446930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.452486]  ? check_preemption_disabled+0x48/0x280
[  355.457524]  filemap_fault+0x1595/0x25f0
[  355.461619]  ? __lock_page_or_retry+0xa00/0xa00
[  355.466302]  ? mark_held_locks+0x130/0x130
[  355.470555]  ? filemap_map_pages+0xd6b/0x1a20
[  355.475085]  ? lock_downgrade+0x900/0x900
[  355.479253]  ? check_preemption_disabled+0x48/0x280
[  355.484289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.489232]  ? kasan_check_read+0x11/0x20
[  355.493389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.498685]  ? rcu_softirq_qs+0x20/0x20
[  355.502696]  ? filemap_map_pages+0xd92/0x1a20
[  355.507214]  ? find_get_entries_tag+0x1400/0x1400
[  355.512091]  ? debug_object_destroy+0x2b0/0x2b0
[  355.516773]  ? lock_pi_update_atomic+0x150/0x150
[  355.521543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.527105]  ? lock_acquire+0x1ed/0x520
[  355.531086]  ? ext4_filemap_fault+0x7a/0xad
[  355.535431]  ? lock_release+0xa00/0xa00
[  355.539409]  ? perf_trace_sched_process_exec+0x860/0x860
[  355.544878]  ? print_usage_bug+0xc0/0xc0
[  355.548950]  ? print_usage_bug+0xc0/0xc0
[  355.553040]  ? down_read+0x8d/0x120
[  355.556678]  ? ext4_filemap_fault+0x7a/0xad
[  355.561012]  ? __down_interruptible+0x700/0x700
[  355.565718]  ext4_filemap_fault+0x82/0xad
[  355.569877]  __do_fault+0x100/0x6b0
[  355.573512]  ? pmd_devmap_trans_unstable+0x220/0x220
[  355.578626]  ? mark_held_locks+0x130/0x130
[  355.582892]  ? mark_held_locks+0x130/0x130
[  355.587135]  ? __might_fault+0x12b/0x1e0
[  355.591202]  ? lock_downgrade+0x900/0x900
[  355.595363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.600916]  __handle_mm_fault+0x3ea0/0x5be0
[  355.605340]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  355.610201]  ? _copy_to_user+0xc8/0x110
[  355.614227]  ? zap_class+0x640/0x640
[  355.617947]  ? zap_class+0x640/0x640
[  355.621672]  ? __x64_sys_futex+0x53e/0x6a0
[  355.625926]  ? find_held_lock+0x36/0x1c0
[  355.630010]  ? handle_mm_fault+0x42a/0xc70
[  355.634252]  ? lock_downgrade+0x900/0x900
[  355.638432]  ? check_preemption_disabled+0x48/0x280
[  355.643460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  355.648397]  ? kasan_check_read+0x11/0x20
[  355.652555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  355.657844]  ? rcu_softirq_qs+0x20/0x20
[  355.661828]  ? trace_hardirqs_off_caller+0x310/0x310
[  355.666969]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.672526]  ? check_preemption_disabled+0x48/0x280
[  355.677556]  handle_mm_fault+0x54f/0xc70
[  355.681626]  ? __handle_mm_fault+0x5be0/0x5be0
[  355.686231]  ? find_vma+0x34/0x190
[  355.689781]  __do_page_fault+0x5e8/0xe60
[  355.693847]  ? trace_hardirqs_off+0xb8/0x310
[  355.698280]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.703852]  do_page_fault+0xf2/0x7e0
[  355.707683]  ? vmalloc_sync_all+0x30/0x30
[  355.711843]  ? error_entry+0x70/0xd0
[  355.715564]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.720617]  ? trace_hardirqs_on_caller+0xc0/0x310
[  355.725568]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.730507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.735371]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.740407]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.746354]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  355.751378]  ? prepare_exit_to_usermode+0x291/0x3b0
[  355.756424]  ? page_fault+0x8/0x30
[  355.759976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.764832]  ? page_fault+0x8/0x30
[  355.768387]  page_fault+0x1e/0x30
[  355.771851] RIP: 0033:0x45ddf3
[  355.775083] Code: Bad RIP value.
[  355.778462] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  355.783831] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  355.791113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  355.798394] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  355.805699] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  355.812987] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  355.820302] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  355.820387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.827418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.827441] Workqueue: events kernfs_notify_workfn
[  355.834046] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.843290] Call Trace:
[  355.848216] syz-fuzzer cpuset=/ mems_allowed=0
[  355.858444]  <IRQ>
[  355.867757]  dump_stack+0x244/0x39d
[  355.871397]  ? dump_stack_print_info.cold.1+0x20/0x20
[  355.876613]  warn_alloc.cold.116+0xb7/0x1bd
[  355.880955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.885840]  ? lock_downgrade+0x900/0x900
[  355.890006]  ? trace_hardirqs_off+0xb8/0x310
[  355.894428]  ? trace_hardirqs_off+0xb8/0x310
[  355.898862]  __alloc_pages_slowpath+0x2651/0x2de0
[  355.903747]  ? warn_alloc+0x120/0x120
[  355.907564]  ? warn_alloc+0x120/0x120
[  355.911378]  ? __lock_acquire+0x62f/0x4c20
[  355.915621]  ? warn_alloc+0x120/0x120
[  355.919440]  ? print_usage_bug+0xc0/0xc0
[  355.923523]  ? print_usage_bug+0xc0/0xc0
[  355.927593]  ? mark_held_locks+0x130/0x130
[  355.931844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.937395]  ? should_fail+0x22d/0xd01
[  355.941291]  ? zap_class+0x640/0x640
[  355.945015]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.950132]  ? __lock_acquire+0x62f/0x4c20
[  355.954382]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.959492]  ? should_fail+0x22d/0xd01
[  355.963412]  ? mark_held_locks+0x130/0x130
[  355.967671]  ? mark_held_locks+0x130/0x130
[  355.971921]  ? lock_downgrade+0x900/0x900
[  355.976081]  ? zap_class+0x640/0x640
[  355.979801]  ? zap_class+0x640/0x640
[  355.983523]  ? zap_class+0x640/0x640
[  355.987243]  ? do_raw_spin_unlock+0xa7/0x330
[  355.991678]  ? trace_hardirqs_on+0x310/0x310
[  355.996125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.001688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.007241]  ? check_preemption_disabled+0x48/0x280
[  356.012279]  ? __lock_is_held+0xb5/0x140
[  356.016360]  __alloc_pages_nodemask+0xad8/0xea0
[  356.021043]  ? zap_class+0x640/0x640
[  356.024769]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  356.029809]  ? find_held_lock+0x36/0x1c0
[  356.033888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.038593]  ? lock_downgrade+0x900/0x900
[  356.042760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.048313]  cache_grow_begin+0xa5/0x8c0
[  356.052382]  ? do_raw_spin_unlock+0xa7/0x330
[  356.056806]  fallback_alloc+0x204/0x2e0
[  356.060798]  ____cache_alloc_node+0x1c7/0x1e0
[  356.065310]  kmem_cache_alloc_node+0xe3/0x730
[  356.069819]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.074418]  __alloc_skb+0x119/0x770
[  356.078138]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  356.083521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  356.087952]  ? vprintk_default+0x28/0x30
[  356.092052]  ? vprintk_func+0x85/0x181
[  356.095949]  ? printk+0xa7/0xcf
[  356.099233]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  356.104006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.109581]  new_skb+0x26/0x1c0
[  356.112871]  aoecmd_cfg+0x279/0x7f0
[  356.116506]  ? find_held_lock+0x36/0x1c0
[  356.120581]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  356.124925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.130485]  ? __lock_is_held+0xb5/0x140
[  356.134573]  discover_timer+0x50/0x60
[  356.138382]  call_timer_fn+0x272/0x920
[  356.142281]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.147136]  ? process_timeout+0x40/0x40
[  356.151226]  ? mark_held_locks+0xc7/0x130
[  356.155383]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.159886]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.164428]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.169289]  ? lockdep_hardirqs_on+0x296/0x5b0
[  356.173881]  ? trace_hardirqs_on+0xbd/0x310
[  356.178219]  ? kasan_check_read+0x11/0x20
[  356.182378]  ? __run_timers+0x7da/0xc70
[  356.186367]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.191497]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  356.196350]  __run_timers+0x7e5/0xc70
[  356.200166]  ? timer_fixup_init+0x70/0x70
[  356.204324]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  356.209353]  ? zap_class+0x640/0x640
[  356.213078]  ? print_usage_bug+0xc0/0xc0
[  356.217163]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  356.222372]  ? find_held_lock+0x36/0x1c0
[  356.226447]  ? zap_class+0x640/0x640
[  356.230173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.235735]  ? check_preemption_disabled+0x48/0x280
[  356.240771]  ? __lock_is_held+0xb5/0x140
[  356.244846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.250393]  ? check_preemption_disabled+0x48/0x280
[  356.255427]  run_timer_softirq+0x52/0xb0
[  356.259503]  ? rcu_read_lock_sched_held+0x14f/0x180
[  356.264530]  __do_softirq+0x308/0xb7e
[  356.268347]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  356.272853]  ? lock_downgrade+0x900/0x900
[  356.277018]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  356.282147]  ? pvclock_read_flags+0x160/0x160
[  356.286662]  ? lapic_next_event+0x5a/0x90
[  356.290825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.296382]  ? kvm_clock_read+0x18/0x30
[  356.300367]  ? kvm_sched_clock_read+0x9/0x20
[  356.304796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.310349]  ? check_preemption_disabled+0x48/0x280
[  356.315399]  irq_exit+0x17f/0x1c0
[  356.318866]  smp_apic_timer_interrupt+0x1cb/0x760
[  356.323723]  ? smp_reschedule_interrupt+0x109/0x650
[  356.328759]  ? smp_call_function_single_interrupt+0x650/0x650
[  356.334670]  ? interrupt_entry+0xb5/0xc0
[  356.338743]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.343766]  ? trace_hardirqs_off_caller+0xbb/0x310
[  356.348803]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.353662]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.358696]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.363724]  ? task_prio+0x50/0x50
[  356.367286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.372856]  ? check_preemption_disabled+0x48/0x280
[  356.377887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.382755]  apic_timer_interrupt+0xf/0x20
[  356.386990]  </IRQ>
[  356.389240] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  356.393923] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  356.412844] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  356.420583] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  356.427884] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  356.435182] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  356.442471] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  356.449750] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  356.457069]  ? mark_held_locks+0x130/0x130
[  356.461308]  ? kernfs_notify_workfn+0xf0/0x440
[  356.465902]  ? mark_held_locks+0x130/0x130
[  356.470158]  ? set_next_entity+0x493/0xc70
[  356.474407]  ? mutex_trylock+0x2b0/0x2b0
[  356.478474]  ? update_load_avg+0x2470/0x2470
[  356.482900]  ? zap_class+0x640/0x640
[  356.486633]  ? zap_class+0x640/0x640
[  356.490367]  ? print_usage_bug+0xc0/0xc0
[  356.494446]  ? find_held_lock+0x36/0x1c0
[  356.498526]  ? mark_held_locks+0xc7/0x130
[  356.502701]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.507203]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.511711]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.516307]  ? trace_hardirqs_on+0xbd/0x310
[  356.520633]  ? kasan_check_read+0x11/0x20
[  356.524795]  ? kernfs_notify_workfn+0xe2/0x440
[  356.529386]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.534512]  mutex_lock_nested+0x16/0x20
[  356.538577]  ? _raw_spin_unlock_irq+0x60/0x80
[  356.543085]  ? mutex_lock_nested+0x16/0x20
[  356.547328]  kernfs_notify_workfn+0xf0/0x440
[  356.551756]  process_one_work+0xc90/0x1c40
[  356.555998]  ? mark_held_locks+0x130/0x130
[  356.560254]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  356.564933]  ? __switch_to_asm+0x40/0x70
[  356.568998]  ? __switch_to_asm+0x34/0x70
[  356.573060]  ? __switch_to_asm+0x40/0x70
[  356.577124]  ? __switch_to_asm+0x34/0x70
[  356.581189]  ? __switch_to_asm+0x40/0x70
[  356.585264]  ? __switch_to_asm+0x34/0x70
[  356.589328]  ? __switch_to_asm+0x40/0x70
[  356.593391]  ? __switch_to_asm+0x34/0x70
[  356.597455]  ? __switch_to_asm+0x40/0x70
[  356.601530]  ? __schedule+0x8d7/0x21d0
[  356.605438]  ? lock_downgrade+0x900/0x900
[  356.609722]  ? zap_class+0x640/0x640
[  356.613439]  ? zap_class+0x640/0x640
[  356.617172]  ? find_held_lock+0x36/0x1c0
[  356.621244]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.625848]  ? lock_acquire+0x1ed/0x520
[  356.629841]  ? worker_thread+0x3e0/0x1390
[  356.634035]  ? kasan_check_read+0x11/0x20
[  356.638193]  ? do_raw_spin_lock+0x14f/0x350
[  356.642525]  ? kasan_check_read+0x11/0x20
[  356.646695]  ? rwlock_bug.part.2+0x90/0x90
[  356.650957]  ? trace_hardirqs_on+0x310/0x310
[  356.655397]  worker_thread+0x17f/0x1390
[  356.659381]  ? __switch_to_asm+0x34/0x70
[  356.663462]  ? process_one_work+0x1c40/0x1c40
[  356.667978]  ? zap_class+0x640/0x640
[  356.671733]  ? __kthread_parkme+0xce/0x1a0
[  356.675978]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  356.681091]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  356.686221]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  356.690817]  ? trace_hardirqs_on+0xbd/0x310
[  356.695149]  ? kasan_check_read+0x11/0x20
[  356.699311]  ? __kthread_parkme+0xce/0x1a0
[  356.703554]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.708677]  ? trace_hardirqs_off_caller+0x310/0x310
[  356.713804]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  356.718923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.724472]  ? __kthread_parkme+0xfb/0x1a0
[  356.728743]  ? process_one_work+0x1c40/0x1c40
[  356.733246]  kthread+0x35a/0x440
[  356.736625]  ? kthread_stop+0x900/0x900
[  356.740616]  ret_from_fork+0x3a/0x50
[  356.744448] warn_alloc_show_mem: 1 callbacks suppressed
[  356.744460] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  356.744462] Mem-Info:
[  356.744497] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  356.744497]  active_file:9 inactive_file:10 isolated_file:8
[  356.744497]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.744497]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  356.744497]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  356.744497]  free:13786 free_pcp:282 free_cma:0
[  356.749883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.756920] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.759316] Call Trace:
[  356.792285] 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
[  356.801651]  <IRQ>
[  356.829612] lowmem_reserve[]: 0 2818 6321 6321
[  356.832205]  dump_stack+0x244/0x39d
[  356.858299] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  356.860463]  ? dump_stack_print_info.cold.1+0x20/0x20
[  356.865012] lowmem_reserve[]: 0 0 3503 3503
[  356.868662]  warn_alloc.cold.116+0xb7/0x1bd
[  356.895970] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  356.901198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.905494] lowmem_reserve[]: 0 0 0 0
[  356.909820]  ? lock_downgrade+0x900/0x900
[  356.938710] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  356.943564]  ? trace_hardirqs_off+0xb8/0x310
[  356.947334] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  356.951506]  ? trace_hardirqs_off+0xb8/0x310
[  356.965020] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  356.969448]  __alloc_pages_slowpath+0x2651/0x2de0
[  356.984602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  356.989047]  ? warn_alloc+0x120/0x120
[  357.004021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.008869]  ? print_usage_bug+0xc0/0xc0
[  357.017698] 4366 total pagecache pages
[  357.021505]  ? warn_alloc+0x120/0x120
[  357.030067] 0 pages in swap cache
[  357.034133]  ? warn_alloc+0x120/0x120
[  357.037995] Swap cache stats: add 0, delete 0, find 0/0
[  357.041793]  ? print_usage_bug+0xc0/0xc0
[  357.045223] Free swap  = 0kB
[  357.049023]  ? kvm_clock_read+0x18/0x30
[  357.054366] Total swap = 0kB
[  357.058461]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  357.061453] 1965979 pages RAM
[  357.065435]  ? print_usage_bug+0xc0/0xc0
[  357.068429] 0 pages HighMem/MovableOnly
[  357.073457]  ? __lock_acquire+0x62f/0x4c20
[  357.076539] 342854 pages reserved
[  357.080604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.084550] 0 pages cma reserved
[  357.088794]  ? should_fail+0x22d/0xd01
[  357.092290] aoe: skb alloc failure
[  357.097763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.097784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.101211] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.105029]  ? __lock_acquire+0x62f/0x4c20
[  357.108557] kworker/0:2 cpuset=/ mems_allowed=0
[  357.113839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.143224]  ? __lock_acquire+0x62f/0x4c20
[  357.147464]  ? should_fail+0x22d/0xd01
[  357.151355]  ? rcu_irq_exit+0x1a2/0x390
[  357.155348]  ? mark_held_locks+0x130/0x130
[  357.159597]  ? mark_held_locks+0x130/0x130
[  357.163851]  ? mark_held_locks+0xc7/0x130
[  357.168008]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  357.173040]  ? zap_class+0x640/0x640
[  357.176764]  ? print_usage_bug+0xc0/0xc0
[  357.180842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.186399]  ? check_preemption_disabled+0x48/0x280
[  357.191462]  ? __lock_is_held+0xb5/0x140
[  357.195548]  __alloc_pages_nodemask+0xad8/0xea0
[  357.200231]  ? zap_class+0x640/0x640
[  357.203959]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  357.208998]  ? find_held_lock+0x36/0x1c0
[  357.213082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.217766]  ? lock_downgrade+0x900/0x900
[  357.221928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.227486]  cache_grow_begin+0xa5/0x8c0
[  357.231555]  ? do_raw_spin_unlock+0xa7/0x330
[  357.235990]  fallback_alloc+0x204/0x2e0
[  357.239979]  ____cache_alloc_node+0x1c7/0x1e0
[  357.244497]  kmem_cache_alloc_node+0xe3/0x730
[  357.249004]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.253277]  __alloc_skb+0x119/0x770
[  357.256997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.262305]  ? netdev_alloc_frag+0x1f0/0x1f0
[  357.266734]  ? lock_downgrade+0x900/0x900
[  357.270899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.276451]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.281931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.287412]  ? addrconf_rs_timer+0x690/0x690
[  357.291852]  ndisc_alloc_skb+0x144/0x340
[  357.295930]  ndisc_send_rs+0x331/0x6e0
[  357.299836]  addrconf_rs_timer+0x314/0x690
[  357.304083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.308340]  call_timer_fn+0x272/0x920
[  357.312243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.316500]  ? process_timeout+0x40/0x40
[  357.320583]  ? mark_held_locks+0xc7/0x130
[  357.324740]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.329243]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.333746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.337990]  ? lockdep_hardirqs_on+0x296/0x5b0
[  357.342587]  ? trace_hardirqs_on+0xbd/0x310
[  357.346929]  ? kasan_check_read+0x11/0x20
[  357.351122]  ? __run_timers+0x7da/0xc70
[  357.355104]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.360227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.364474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.368717]  __run_timers+0x7e5/0xc70
[  357.372536]  ? timer_fixup_init+0x70/0x70
[  357.376697]  ? kasan_check_read+0x11/0x20
[  357.380851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.386137]  ? rcu_softirq_qs+0x20/0x20
[  357.390129]  ? mark_held_locks+0xc7/0x130
[  357.394301]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.399073]  ? retint_kernel+0x2d/0x2d
[  357.402967]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.407909]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  357.412686]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.418152]  ? zap_class+0x640/0x640
[  357.421880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.427447]  ? check_preemption_disabled+0x48/0x280
[  357.432490]  ? __lock_is_held+0xb5/0x140
[  357.436577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.442134]  ? check_preemption_disabled+0x48/0x280
[  357.447167]  run_timer_softirq+0x52/0xb0
[  357.451239]  ? rcu_read_lock_sched_held+0x14f/0x180
[  357.456272]  __do_softirq+0x308/0xb7e
[  357.460082]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  357.464583]  ? lock_downgrade+0x900/0x900
[  357.468746]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  357.473865]  ? pvclock_read_flags+0x160/0x160
[  357.478371]  ? lapic_next_event+0x5a/0x90
[  357.482532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.488087]  ? kvm_clock_read+0x18/0x30
[  357.492071]  ? kvm_sched_clock_read+0x9/0x20
[  357.496493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.502040]  ? check_preemption_disabled+0x48/0x280
[  357.507085]  irq_exit+0x17f/0x1c0
[  357.510550]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.515404]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.521323]  ? interrupt_entry+0xb5/0xc0
[  357.525394]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.530431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.535459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.540315]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.545343]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.550366]  ? task_prio+0x50/0x50
[  357.553914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.559459]  ? check_preemption_disabled+0x48/0x280
[  357.564496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.569362]  apic_timer_interrupt+0xf/0x20
[  357.573596]  </IRQ>
[  357.575846] RIP: 0010:dump_stack+0x358/0x39d
[  357.580258] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  357.599176] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  357.606916] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  357.614199] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  357.621482] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  357.628763] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  357.636042] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  357.643347]  ? dump_stack+0x34f/0x39d
[  357.647172]  ? dump_stack_print_info.cold.1+0x20/0x20
[  357.652375]  ? mark_held_locks+0x130/0x130
[  357.656615]  ? mark_held_locks+0x130/0x130
[  357.660862]  dump_header+0x27b/0xf72
[  357.664606]  ? pagefault_out_of_memory+0x197/0x197
[  357.669558]  ? __lock_acquire+0x62f/0x4c20
[  357.673804]  ? percpu_ref_get_many+0x240/0x240
[  357.678399]  ? print_usage_bug+0xc0/0xc0
[  357.682477]  ? zap_class+0x640/0x640
[  357.686201]  ? print_usage_bug+0xc0/0xc0
[  357.690264]  ? print_usage_bug+0xc0/0xc0
[  357.694334]  ? zap_class+0x640/0x640
[  357.698059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.703615]  ? find_held_lock+0x36/0x1c0
[  357.707700]  ? mark_held_locks+0xc7/0x130
[  357.711858]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.716974]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  357.722088]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  357.726683]  ? trace_hardirqs_on+0xbd/0x310
[  357.731010]  ? kasan_check_read+0x11/0x20
[  357.735166]  ? ___ratelimit+0x3b4/0x672
[  357.739146]  ? trace_hardirqs_off_caller+0x310/0x310
[  357.744714]  ? trace_hardirqs_on+0x310/0x310
[  357.749134]  ? lock_downgrade+0x900/0x900
[  357.753296]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  357.758410]  ? ___ratelimit+0x3b9/0x672
[  357.762410]  ? idr_get_free+0xf70/0xf70
[  357.766397]  ? find_held_lock+0x36/0x1c0
[  357.770495]  oom_kill_process.cold.27+0x10/0x903
[  357.775258]  ? zap_class+0x640/0x640
[  357.778982]  ? check_preemption_disabled+0x48/0x280
[  357.784014]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.788953]  ? kasan_check_read+0x11/0x20
[  357.793112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.798406]  ? oom_evaluate_task+0x540/0x540
[  357.802839]  ? find_held_lock+0x36/0x1c0
[  357.806918]  ? out_of_memory+0x974/0x1430
[  357.811076]  ? lock_downgrade+0x900/0x900
[  357.815236]  ? check_preemption_disabled+0x48/0x280
[  357.820269]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  357.825205]  ? kasan_check_read+0x11/0x20
[  357.829364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  357.834650]  ? rcu_softirq_qs+0x20/0x20
[  357.838667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.844221]  ? oom_evaluate_task+0x302/0x540
[  357.848645]  out_of_memory+0xa84/0x1430
[  357.852645]  ? oom_killer_disable+0x3a0/0x3a0
[  357.857172]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  357.862115]  ? __ww_mutex_check_waiters+0x160/0x160
[  357.867154]  __alloc_pages_slowpath+0x232c/0x2de0
[  357.872035]  ? warn_alloc+0x120/0x120
[  357.875847]  ? mark_held_locks+0x130/0x130
[  357.880114]  ? find_get_entry+0xaae/0x1120
[  357.884380]  ? filemap_map_pages+0x1a20/0x1a20
[  357.888994]  ? zap_class+0x640/0x640
[  357.892729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.898312]  ? check_preemption_disabled+0x48/0x280
[  357.903350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.908922]  ? should_fail+0x22d/0xd01
[  357.912830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.917962]  ? zap_class+0x640/0x640
[  357.921722]  ? __lock_is_held+0xb5/0x140
[  357.925818]  ? mark_held_locks+0x130/0x130
[  357.930089]  ? lock_release+0xa00/0xa00
[  357.934093]  ? perf_trace_sched_process_exec+0x860/0x860
[  357.939573]  ? xa_load+0x2ba/0x460
[  357.943149]  ? lock_downgrade+0x900/0x900
[  357.947334]  ? __might_sleep+0x95/0x190
[  357.951350]  __alloc_pages_nodemask+0xad8/0xea0
[  357.956064]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  357.961105]  ? __page_cache_alloc+0x191/0x5c0
[  357.965615]  ? xa_load+0x2e1/0x460
[  357.969171]  ? xa_clear_mark+0x40/0x40
[  357.973088]  ? zap_class+0x640/0x640
[  357.976832]  ? zap_class+0x640/0x640
[  357.980563]  ? zap_class+0x640/0x640
[  357.984292]  ? __do_page_cache_readahead+0x663/0x810
[  357.989430]  ? find_held_lock+0x36/0x1c0
[  357.993542]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  357.999112]  alloc_pages_current+0x173/0x350
[  358.003542]  __page_cache_alloc+0x38c/0x5c0
[  358.007871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.012805]  ? kasan_check_read+0x11/0x20
[  358.016961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.022252]  ? generic_perform_write+0x6a0/0x6a0
[  358.027020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.032573]  ? check_preemption_disabled+0x48/0x280
[  358.037608]  filemap_fault+0x1595/0x25f0
[  358.041707]  ? __lock_page_or_retry+0xa00/0xa00
[  358.046385]  ? mark_held_locks+0x130/0x130
[  358.050646]  ? filemap_map_pages+0xd6b/0x1a20
[  358.055302]  ? lock_downgrade+0x900/0x900
[  358.059483]  ? check_preemption_disabled+0x48/0x280
[  358.064548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.069516]  ? kasan_check_read+0x11/0x20
[  358.073704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.079016]  ? rcu_softirq_qs+0x20/0x20
[  358.083038]  ? filemap_map_pages+0xd92/0x1a20
[  358.087578]  ? find_get_entries_tag+0x1400/0x1400
[  358.092473]  ? debug_object_destroy+0x2b0/0x2b0
[  358.097174]  ? lock_pi_update_atomic+0x150/0x150
[  358.101958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.107557]  ? lock_acquire+0x1ed/0x520
[  358.111560]  ? ext4_filemap_fault+0x7a/0xad
[  358.115918]  ? lock_release+0xa00/0xa00
[  358.119919]  ? perf_trace_sched_process_exec+0x860/0x860
[  358.125402]  ? print_usage_bug+0xc0/0xc0
[  358.129502]  ? print_usage_bug+0xc0/0xc0
[  358.133614]  ? down_read+0x8d/0x120
[  358.137263]  ? ext4_filemap_fault+0x7a/0xad
[  358.141613]  ? __down_interruptible+0x700/0x700
[  358.146322]  ext4_filemap_fault+0x82/0xad
[  358.150502]  __do_fault+0x100/0x6b0
[  358.154144]  ? pmd_devmap_trans_unstable+0x220/0x220
[  358.159272]  ? mark_held_locks+0x130/0x130
[  358.163536]  ? mark_held_locks+0x130/0x130
[  358.167788]  ? __might_fault+0x12b/0x1e0
[  358.171863]  ? lock_downgrade+0x900/0x900
[  358.176029]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.181594]  __handle_mm_fault+0x3ea0/0x5be0
[  358.186028]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  358.190897]  ? _copy_to_user+0xc8/0x110
[  358.194901]  ? zap_class+0x640/0x640
[  358.198621]  ? zap_class+0x640/0x640
[  358.202349]  ? __x64_sys_futex+0x53e/0x6a0
[  358.206593]  ? find_held_lock+0x36/0x1c0
[  358.210677]  ? handle_mm_fault+0x42a/0xc70
[  358.214926]  ? lock_downgrade+0x900/0x900
[  358.219103]  ? check_preemption_disabled+0x48/0x280
[  358.224130]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  358.229066]  ? kasan_check_read+0x11/0x20
[  358.233239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  358.238547]  ? rcu_softirq_qs+0x20/0x20
[  358.242545]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.247691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.253266]  ? check_preemption_disabled+0x48/0x280
[  358.258320]  handle_mm_fault+0x54f/0xc70
[  358.262436]  ? __handle_mm_fault+0x5be0/0x5be0
[  358.267054]  ? find_vma+0x34/0x190
[  358.270626]  __do_page_fault+0x5e8/0xe60
[  358.274724]  ? trace_hardirqs_off+0xb8/0x310
[  358.279159]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.284759]  do_page_fault+0xf2/0x7e0
[  358.288590]  ? vmalloc_sync_all+0x30/0x30
[  358.292774]  ? error_entry+0x70/0xd0
[  358.296515]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.301561]  ? trace_hardirqs_on_caller+0xc0/0x310
[  358.306519]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.311477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.316393]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.321452]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.326936]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  358.331984]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.337017]  ? page_fault+0x8/0x30
[  358.340577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.345443]  ? page_fault+0x8/0x30
[  358.348995]  page_fault+0x1e/0x30
[  358.352456] RIP: 0033:0x45ddf3
[  358.355685] Code: Bad RIP value.
[  358.359088] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  358.364503] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  358.371794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  358.379087] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  358.386390] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  358.393691] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  358.401018] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  358.401092] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  358.408157] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.408180] Workqueue: events kernfs_notify_workfn
[  358.414811] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  358.424053] Call Trace:
[  358.428994] syz-fuzzer cpuset=/ mems_allowed=0
[  358.439228]  <IRQ>
[  358.448541]  dump_stack+0x244/0x39d
[  358.452197]  ? dump_stack_print_info.cold.1+0x20/0x20
[  358.457439]  warn_alloc.cold.116+0xb7/0x1bd
[  358.461788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  358.466662]  ? lock_downgrade+0x900/0x900
[  358.470845]  ? trace_hardirqs_off+0xb8/0x310
[  358.475295]  ? trace_hardirqs_off+0xb8/0x310
[  358.479761]  __alloc_pages_slowpath+0x2651/0x2de0
[  358.484677]  ? warn_alloc+0x120/0x120
[  358.488528]  ? warn_alloc+0x120/0x120
[  358.492379]  ? warn_alloc+0x120/0x120
[  358.496212]  ? print_usage_bug+0xc0/0xc0
[  358.500309]  ? print_usage_bug+0xc0/0xc0
[  358.504405]  ? ktime_get+0x2c1/0x400
[  358.508160]  ? check_preemption_disabled+0x48/0x280
[  358.513208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  358.517738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.523310]  ? should_fail+0x22d/0xd01
[  358.527231]  ? kasan_check_read+0x11/0x20
[  358.531413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.536551]  ? __lock_acquire+0x62f/0x4c20
[  358.540825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  358.545968]  ? should_fail+0x22d/0xd01
[  358.549895]  ? print_usage_bug+0xc0/0xc0
[  358.554014]  ? mark_held_locks+0x130/0x130
[  358.558281]  ? mark_held_locks+0x130/0x130
[  358.562537]  ? check_preemption_disabled+0x48/0x280
[  358.567584]  ? zap_class+0x640/0x640
[  358.571320]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  358.576117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.581682]  ? check_preemption_disabled+0x48/0x280
[  358.586723]  ? __lock_is_held+0xb5/0x140
[  358.590811]  __alloc_pages_nodemask+0xad8/0xea0
[  358.595512]  ? zap_class+0x640/0x640
[  358.599263]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  358.604326]  ? find_held_lock+0x36/0x1c0
[  358.608434]  ? ____cache_alloc_node+0x1c7/0x1e0
[  358.613673]  ? lock_downgrade+0x900/0x900
[  358.617865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.623446]  cache_grow_begin+0xa5/0x8c0
[  358.627542]  ? do_raw_spin_unlock+0xa7/0x330
[  358.632011]  fallback_alloc+0x204/0x2e0
[  358.636036]  ____cache_alloc_node+0x1c7/0x1e0
[  358.640584]  kmem_cache_alloc_node+0xe3/0x730
[  358.645117]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.649744]  __alloc_skb+0x119/0x770
[  358.653486]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  358.658893]  ? netdev_alloc_frag+0x1f0/0x1f0
[  358.663346]  ? vprintk_default+0x28/0x30
[  358.667459]  ? vprintk_func+0x85/0x181
[  358.671394]  ? printk+0xa7/0xcf
[  358.674702]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  358.679488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.685055]  new_skb+0x26/0x1c0
[  358.688362]  aoecmd_cfg+0x279/0x7f0
[  358.692018]  ? find_held_lock+0x36/0x1c0
[  358.696104]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  358.700458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.706025]  ? __lock_is_held+0xb5/0x140
[  358.710108]  discover_timer+0x50/0x60
[  358.713939]  call_timer_fn+0x272/0x920
[  358.717862]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.722743]  ? process_timeout+0x40/0x40
[  358.726853]  ? mark_held_locks+0xc7/0x130
[  358.731049]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.735591]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.740118]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.745012]  ? lockdep_hardirqs_on+0x296/0x5b0
[  358.749628]  ? trace_hardirqs_on+0xbd/0x310
[  358.753988]  ? kasan_check_read+0x11/0x20
[  358.758167]  ? __run_timers+0x7da/0xc70
[  358.762177]  ? trace_hardirqs_off_caller+0x310/0x310
[  358.767325]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  358.772198]  __run_timers+0x7e5/0xc70
[  358.776052]  ? timer_fixup_init+0x70/0x70
[  358.780238]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.785288]  ? zap_class+0x640/0x640
[  358.789051]  ? print_usage_bug+0xc0/0xc0
[  358.793154]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  358.798385]  ? find_held_lock+0x36/0x1c0
[  358.802496]  ? zap_class+0x640/0x640
[  358.806252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.811822]  ? check_preemption_disabled+0x48/0x280
[  358.816876]  ? __lock_is_held+0xb5/0x140
[  358.820979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.826547]  ? check_preemption_disabled+0x48/0x280
[  358.831599]  run_timer_softirq+0x52/0xb0
[  358.835694]  ? rcu_read_lock_sched_held+0x14f/0x180
[  358.840749]  __do_softirq+0x308/0xb7e
[  358.844586]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  358.849109]  ? lock_downgrade+0x900/0x900
[  358.853292]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  358.858435]  ? pvclock_read_flags+0x160/0x160
[  358.862972]  ? lapic_next_event+0x5a/0x90
[  358.867152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.872729]  ? kvm_clock_read+0x18/0x30
[  358.876732]  ? kvm_sched_clock_read+0x9/0x20
[  358.881178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.886752]  ? check_preemption_disabled+0x48/0x280
[  358.891810]  irq_exit+0x17f/0x1c0
[  358.895299]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.900161]  ? smp_reschedule_interrupt+0x109/0x650
[  358.905204]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.911114]  ? interrupt_entry+0xb5/0xc0
[  358.915194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.920237]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.925277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.930142]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.935180]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.940217]  ? task_prio+0x50/0x50
[  358.943770]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.949329]  ? check_preemption_disabled+0x48/0x280
[  358.954379]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.959251]  apic_timer_interrupt+0xf/0x20
[  358.963494]  </IRQ>
[  358.965745] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  358.970428] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  358.989464] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  358.997198] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  359.004492] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  359.011788] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  359.019077] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  359.026371] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  359.033707]  ? mark_held_locks+0x130/0x130
[  359.037964]  ? kernfs_notify_workfn+0xf0/0x440
[  359.042566]  ? mark_held_locks+0x130/0x130
[  359.046816]  ? set_next_entity+0x493/0xc70
[  359.051068]  ? mutex_trylock+0x2b0/0x2b0
[  359.055159]  ? update_load_avg+0x2470/0x2470
[  359.059602]  ? zap_class+0x640/0x640
[  359.063359]  ? zap_class+0x640/0x640
[  359.067101]  ? print_usage_bug+0xc0/0xc0
[  359.071200]  ? find_held_lock+0x36/0x1c0
[  359.075284]  ? mark_held_locks+0xc7/0x130
[  359.079467]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.083974]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.088479]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.093067]  ? trace_hardirqs_on+0xbd/0x310
[  359.097411]  ? kasan_check_read+0x11/0x20
[  359.101567]  ? kernfs_notify_workfn+0xe2/0x440
[  359.106190]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.111336]  mutex_lock_nested+0x16/0x20
[  359.115423]  ? _raw_spin_unlock_irq+0x60/0x80
[  359.119944]  ? mutex_lock_nested+0x16/0x20
[  359.124195]  kernfs_notify_workfn+0xf0/0x440
[  359.128626]  process_one_work+0xc90/0x1c40
[  359.132886]  ? mark_held_locks+0x130/0x130
[  359.137151]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  359.141848]  ? __switch_to_asm+0x40/0x70
[  359.145941]  ? __switch_to_asm+0x34/0x70
[  359.150033]  ? __switch_to_asm+0x40/0x70
[  359.154107]  ? __switch_to_asm+0x34/0x70
[  359.158181]  ? __switch_to_asm+0x40/0x70
[  359.162254]  ? __switch_to_asm+0x34/0x70
[  359.166330]  ? __switch_to_asm+0x40/0x70
[  359.170413]  ? __switch_to_asm+0x34/0x70
[  359.174488]  ? __switch_to_asm+0x40/0x70
[  359.178571]  ? __schedule+0x8d7/0x21d0
[  359.182484]  ? lock_downgrade+0x900/0x900
[  359.186652]  ? zap_class+0x640/0x640
[  359.190388]  ? zap_class+0x640/0x640
[  359.194117]  ? find_held_lock+0x36/0x1c0
[  359.198210]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.202834]  ? lock_acquire+0x1ed/0x520
[  359.206829]  ? worker_thread+0x3e0/0x1390
[  359.211005]  ? kasan_check_read+0x11/0x20
[  359.215176]  ? do_raw_spin_lock+0x14f/0x350
[  359.219521]  ? kasan_check_read+0x11/0x20
[  359.223694]  ? rwlock_bug.part.2+0x90/0x90
[  359.227955]  ? trace_hardirqs_on+0x310/0x310
[  359.232394]  worker_thread+0x17f/0x1390
[  359.236382]  ? __switch_to_asm+0x34/0x70
[  359.240469]  ? process_one_work+0x1c40/0x1c40
[  359.244991]  ? zap_class+0x640/0x640
[  359.248781]  ? __kthread_parkme+0xce/0x1a0
[  359.253055]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.258189]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  359.263324]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  359.267953]  ? trace_hardirqs_on+0xbd/0x310
[  359.272309]  ? kasan_check_read+0x11/0x20
[  359.276496]  ? __kthread_parkme+0xce/0x1a0
[  359.280770]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.285907]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.291052]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  359.296187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.301755]  ? __kthread_parkme+0xfb/0x1a0
[  359.306016]  ? process_one_work+0x1c40/0x1c40
[  359.310532]  kthread+0x35a/0x440
[  359.313926]  ? kthread_stop+0x900/0x900
[  359.317938]  ret_from_fork+0x3a/0x50
[  359.321685] warn_alloc_show_mem: 1 callbacks suppressed
[  359.321697] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  359.321699] Mem-Info:
[  359.321730] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  359.321730]  active_file:9 inactive_file:10 isolated_file:8
[  359.321730]  unevictable:0 dirty:0 writeback:0 unstable:0
[  359.321730]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  359.321730]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  359.321730]  free:13786 free_pcp:282 free_cma:0
[  359.327080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  359.327092] Call Trace:
[  359.334166] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  359.336571]  <IRQ>
[  359.369560] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  359.378949]  dump_stack+0x244/0x39d
[  359.381507] lowmem_reserve[]: 0 2818 6321 6321
[  359.409375]  ? dump_stack_print_info.cold.1+0x20/0x20
[  359.411521] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  359.437667]  warn_alloc.cold.116+0xb7/0x1bd
[  359.441282] lowmem_reserve[]: 0 0 3503 3503
[  359.445891]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.451077] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  359.478435]  ? lock_downgrade+0x900/0x900
[  359.482732] lowmem_reserve[]: 0 0 0 0
[  359.487070]  ? trace_hardirqs_off+0xb8/0x310
[  359.491905] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  359.520817]  ? trace_hardirqs_off+0xb8/0x310
[  359.524954] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  359.528779]  __alloc_pages_slowpath+0x2651/0x2de0
[  359.533170] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  359.546740]  ? warn_alloc+0x120/0x120
[  359.551120] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.566303]  ? print_usage_bug+0xc0/0xc0
[  359.571144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.586159]  ? warn_alloc+0x120/0x120
[  359.589949] 4366 total pagecache pages
[  359.598802]  ? warn_alloc+0x120/0x120
[  359.602851] 0 pages in swap cache
[  359.611439]  ? print_usage_bug+0xc0/0xc0
[  359.615222] Swap cache stats: add 0, delete 0, find 0/0
[  359.615231] Free swap  = 0kB
[  359.619140]  ? kvm_clock_read+0x18/0x30
[  359.622924] Total swap = 0kB
[  359.626396]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  359.630456] 1965979 pages RAM
[  359.635847]  ? print_usage_bug+0xc0/0xc0
[  359.638841] 0 pages HighMem/MovableOnly
[  359.638850] 342854 pages reserved
[  359.642843]  ? __lock_acquire+0x62f/0x4c20
[  359.645840] 0 pages cma reserved
[  359.650853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.654012] aoe: skb alloc failure
[  359.658015]  ? should_fail+0x22d/0xd01
[  359.662055] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.665435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.669646] kworker/0:2 cpuset=/ mems_allowed=0
[  359.673019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.711321]  ? __lock_acquire+0x62f/0x4c20
[  359.715582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.720708]  ? __lock_acquire+0x62f/0x4c20
[  359.724961]  ? should_fail+0x22d/0xd01
[  359.728865]  ? rcu_irq_exit+0x1a2/0x390
[  359.732870]  ? mark_held_locks+0x130/0x130
[  359.737129]  ? mark_held_locks+0x130/0x130
[  359.741862]  ? mark_held_locks+0xc7/0x130
[  359.746033]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  359.751074]  ? zap_class+0x640/0x640
[  359.754812]  ? print_usage_bug+0xc0/0xc0
[  359.758901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.764476]  ? check_preemption_disabled+0x48/0x280
[  359.769525]  ? __lock_is_held+0xb5/0x140
[  359.773613]  __alloc_pages_nodemask+0xad8/0xea0
[  359.778304]  ? zap_class+0x640/0x640
[  359.782037]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  359.787086]  ? find_held_lock+0x36/0x1c0
[  359.791181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.795882]  ? lock_downgrade+0x900/0x900
[  359.800095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.805690]  cache_grow_begin+0xa5/0x8c0
[  359.809805]  ? do_raw_spin_unlock+0xa7/0x330
[  359.814256]  fallback_alloc+0x204/0x2e0
[  359.818272]  ____cache_alloc_node+0x1c7/0x1e0
[  359.822811]  kmem_cache_alloc_node+0xe3/0x730
[  359.827340]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.831615]  __alloc_skb+0x119/0x770
[  359.835351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.840672]  ? netdev_alloc_frag+0x1f0/0x1f0
[  359.845107]  ? lock_downgrade+0x900/0x900
[  359.849291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.854854]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.860336]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.865824]  ? addrconf_rs_timer+0x690/0x690
[  359.870272]  ndisc_alloc_skb+0x144/0x340
[  359.874365]  ndisc_send_rs+0x331/0x6e0
[  359.878297]  addrconf_rs_timer+0x314/0x690
[  359.882570]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.886846]  call_timer_fn+0x272/0x920
[  359.890761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.895029]  ? process_timeout+0x40/0x40
[  359.899131]  ? mark_held_locks+0xc7/0x130
[  359.903299]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.907813]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.912329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.916593]  ? lockdep_hardirqs_on+0x296/0x5b0
[  359.921194]  ? trace_hardirqs_on+0xbd/0x310
[  359.925529]  ? kasan_check_read+0x11/0x20
[  359.929703]  ? __run_timers+0x7da/0xc70
[  359.933704]  ? trace_hardirqs_off_caller+0x310/0x310
[  359.938845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.943095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.947337]  __run_timers+0x7e5/0xc70
[  359.951154]  ? timer_fixup_init+0x70/0x70
[  359.955314]  ? kasan_check_read+0x11/0x20
[  359.959475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  359.964777]  ? rcu_softirq_qs+0x20/0x20
[  359.968785]  ? mark_held_locks+0xc7/0x130
[  359.972990]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  359.977781]  ? retint_kernel+0x2d/0x2d
[  359.981707]  ? trace_hardirqs_on_caller+0xc0/0x310
[  359.986679]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  359.991473]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.996960]  ? zap_class+0x640/0x640
[  360.000717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.006309]  ? check_preemption_disabled+0x48/0x280
[  360.011368]  ? __lock_is_held+0xb5/0x140
[  360.015469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.021042]  ? check_preemption_disabled+0x48/0x280
[  360.026103]  run_timer_softirq+0x52/0xb0
[  360.030196]  ? rcu_read_lock_sched_held+0x14f/0x180
[  360.035245]  __do_softirq+0x308/0xb7e
[  360.039090]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  360.043611]  ? lock_downgrade+0x900/0x900
[  360.047792]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  360.052931]  ? pvclock_read_flags+0x160/0x160
[  360.057465]  ? lapic_next_event+0x5a/0x90
[  360.061640]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.067217]  ? kvm_clock_read+0x18/0x30
[  360.071213]  ? kvm_sched_clock_read+0x9/0x20
[  360.075648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.081225]  ? check_preemption_disabled+0x48/0x280
[  360.086279]  irq_exit+0x17f/0x1c0
[  360.089755]  smp_apic_timer_interrupt+0x1cb/0x760
[  360.094638]  ? smp_call_function_single_interrupt+0x650/0x650
[  360.100560]  ? interrupt_entry+0xb5/0xc0
[  360.104649]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.109705]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.114754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.119627]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.124683]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.129720]  ? task_prio+0x50/0x50
[  360.133273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.138840]  ? check_preemption_disabled+0x48/0x280
[  360.143898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.148773]  apic_timer_interrupt+0xf/0x20
[  360.153025]  </IRQ>
[  360.155280] RIP: 0010:dump_stack+0x358/0x39d
[  360.159735] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  360.178661] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  360.186414] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  360.193724] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  360.201036] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  360.208326] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  360.215608] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  360.222909]  ? dump_stack+0x34f/0x39d
[  360.226746]  ? dump_stack_print_info.cold.1+0x20/0x20
[  360.231958]  ? mark_held_locks+0x130/0x130
[  360.236222]  ? mark_held_locks+0x130/0x130
[  360.240489]  dump_header+0x27b/0xf72
[  360.244248]  ? pagefault_out_of_memory+0x197/0x197
[  360.249211]  ? __lock_acquire+0x62f/0x4c20
[  360.253469]  ? percpu_ref_get_many+0x240/0x240
[  360.258079]  ? print_usage_bug+0xc0/0xc0
[  360.262166]  ? zap_class+0x640/0x640
[  360.265900]  ? print_usage_bug+0xc0/0xc0
[  360.269974]  ? print_usage_bug+0xc0/0xc0
[  360.274056]  ? zap_class+0x640/0x640
[  360.277797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.283371]  ? find_held_lock+0x36/0x1c0
[  360.287459]  ? mark_held_locks+0xc7/0x130
[  360.291625]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.296758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  360.301886]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  360.306490]  ? trace_hardirqs_on+0xbd/0x310
[  360.310824]  ? kasan_check_read+0x11/0x20
[  360.314988]  ? ___ratelimit+0x3b4/0x672
[  360.318984]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.324120]  ? trace_hardirqs_on+0x310/0x310
[  360.328555]  ? lock_downgrade+0x900/0x900
[  360.332735]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  360.337865]  ? ___ratelimit+0x3b9/0x672
[  360.341873]  ? idr_get_free+0xf70/0xf70
[  360.345877]  ? find_held_lock+0x36/0x1c0
[  360.349986]  oom_kill_process.cold.27+0x10/0x903
[  360.354776]  ? zap_class+0x640/0x640
[  360.358515]  ? check_preemption_disabled+0x48/0x280
[  360.363564]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.368522]  ? kasan_check_read+0x11/0x20
[  360.372714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.378018]  ? oom_evaluate_task+0x540/0x540
[  360.382472]  ? find_held_lock+0x36/0x1c0
[  360.386587]  ? out_of_memory+0x974/0x1430
[  360.390771]  ? lock_downgrade+0x900/0x900
[  360.394944]  ? check_preemption_disabled+0x48/0x280
[  360.400012]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.404970]  ? kasan_check_read+0x11/0x20
[  360.409170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.414499]  ? rcu_softirq_qs+0x20/0x20
[  360.418513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.424090]  ? oom_evaluate_task+0x302/0x540
[  360.428550]  out_of_memory+0xa84/0x1430
[  360.432573]  ? oom_killer_disable+0x3a0/0x3a0
[  360.437105]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  360.442074]  ? __ww_mutex_check_waiters+0x160/0x160
[  360.447124]  __alloc_pages_slowpath+0x232c/0x2de0
[  360.452037]  ? warn_alloc+0x120/0x120
[  360.455869]  ? mark_held_locks+0x130/0x130
[  360.460142]  ? find_get_entry+0xaae/0x1120
[  360.464427]  ? filemap_map_pages+0x1a20/0x1a20
[  360.469045]  ? zap_class+0x640/0x640
[  360.472783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.478337]  ? check_preemption_disabled+0x48/0x280
[  360.483363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.488918]  ? should_fail+0x22d/0xd01
[  360.492817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.497932]  ? zap_class+0x640/0x640
[  360.501688]  ? __lock_is_held+0xb5/0x140
[  360.505772]  ? mark_held_locks+0x130/0x130
[  360.510018]  ? lock_release+0xa00/0xa00
[  360.514008]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.519502]  ? xa_load+0x2ba/0x460
[  360.523080]  ? lock_downgrade+0x900/0x900
[  360.527251]  ? __might_sleep+0x95/0x190
[  360.531249]  __alloc_pages_nodemask+0xad8/0xea0
[  360.535943]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  360.541002]  ? __page_cache_alloc+0x191/0x5c0
[  360.545512]  ? xa_load+0x2e1/0x460
[  360.549068]  ? xa_clear_mark+0x40/0x40
[  360.552992]  ? zap_class+0x640/0x640
[  360.556735]  ? zap_class+0x640/0x640
[  360.560459]  ? zap_class+0x640/0x640
[  360.564195]  ? __do_page_cache_readahead+0x663/0x810
[  360.569336]  ? find_held_lock+0x36/0x1c0
[  360.573435]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  360.579016]  alloc_pages_current+0x173/0x350
[  360.583463]  __page_cache_alloc+0x38c/0x5c0
[  360.587800]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.592757]  ? kasan_check_read+0x11/0x20
[  360.596918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.602215]  ? generic_perform_write+0x6a0/0x6a0
[  360.606991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.612841]  ? check_preemption_disabled+0x48/0x280
[  360.617882]  filemap_fault+0x1595/0x25f0
[  360.621973]  ? __lock_page_or_retry+0xa00/0xa00
[  360.626670]  ? mark_held_locks+0x130/0x130
[  360.630961]  ? filemap_map_pages+0xd6b/0x1a20
[  360.635473]  ? lock_downgrade+0x900/0x900
[  360.639631]  ? check_preemption_disabled+0x48/0x280
[  360.644678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.649620]  ? kasan_check_read+0x11/0x20
[  360.653786]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.659081]  ? rcu_softirq_qs+0x20/0x20
[  360.663088]  ? filemap_map_pages+0xd92/0x1a20
[  360.667611]  ? find_get_entries_tag+0x1400/0x1400
[  360.672469]  ? debug_object_destroy+0x2b0/0x2b0
[  360.677152]  ? lock_pi_update_atomic+0x150/0x150
[  360.681920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.687491]  ? lock_acquire+0x1ed/0x520
[  360.691474]  ? ext4_filemap_fault+0x7a/0xad
[  360.695814]  ? lock_release+0xa00/0xa00
[  360.699795]  ? perf_trace_sched_process_exec+0x860/0x860
[  360.705267]  ? print_usage_bug+0xc0/0xc0
[  360.709338]  ? print_usage_bug+0xc0/0xc0
[  360.713431]  ? down_read+0x8d/0x120
[  360.717083]  ? ext4_filemap_fault+0x7a/0xad
[  360.721421]  ? __down_interruptible+0x700/0x700
[  360.726113]  ext4_filemap_fault+0x82/0xad
[  360.730272]  __do_fault+0x100/0x6b0
[  360.733926]  ? pmd_devmap_trans_unstable+0x220/0x220
[  360.739044]  ? mark_held_locks+0x130/0x130
[  360.743291]  ? mark_held_locks+0x130/0x130
[  360.747534]  ? __might_fault+0x12b/0x1e0
[  360.751611]  ? lock_downgrade+0x900/0x900
[  360.755794]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.761356]  __handle_mm_fault+0x3ea0/0x5be0
[  360.765791]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  360.770652]  ? _copy_to_user+0xc8/0x110
[  360.774672]  ? zap_class+0x640/0x640
[  360.778401]  ? zap_class+0x640/0x640
[  360.782125]  ? __x64_sys_futex+0x53e/0x6a0
[  360.786379]  ? find_held_lock+0x36/0x1c0
[  360.790471]  ? handle_mm_fault+0x42a/0xc70
[  360.794724]  ? lock_downgrade+0x900/0x900
[  360.798885]  ? check_preemption_disabled+0x48/0x280
[  360.803916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  360.808861]  ? kasan_check_read+0x11/0x20
[  360.813030]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  360.818317]  ? rcu_softirq_qs+0x20/0x20
[  360.822300]  ? trace_hardirqs_off_caller+0x310/0x310
[  360.827425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.832991]  ? check_preemption_disabled+0x48/0x280
[  360.838028]  handle_mm_fault+0x54f/0xc70
[  360.842102]  ? __handle_mm_fault+0x5be0/0x5be0
[  360.846704]  ? find_vma+0x34/0x190
[  360.850257]  __do_page_fault+0x5e8/0xe60
[  360.854326]  ? trace_hardirqs_off+0xb8/0x310
[  360.858743]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.864305]  do_page_fault+0xf2/0x7e0
[  360.868115]  ? vmalloc_sync_all+0x30/0x30
[  360.872272]  ? error_entry+0x70/0xd0
[  360.875997]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.881028]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.885977]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.890922]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.895808]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.900836]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.906303]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  360.911335]  ? prepare_exit_to_usermode+0x291/0x3b0
[  360.916370]  ? page_fault+0x8/0x30
[  360.919940]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.924802]  ? page_fault+0x8/0x30
[  360.928352]  page_fault+0x1e/0x30
[  360.931812] RIP: 0033:0x45ddf3
[  360.935021] Code: Bad RIP value.
[  360.938388] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  360.943777] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  360.951061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  360.958345] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  360.965630] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  360.972920] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  360.980240] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  360.980304] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.987360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.987382] Workqueue: events kernfs_notify_workfn
[  360.993991] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  361.003229] Call Trace:
[  361.008153] syz-fuzzer cpuset=/ mems_allowed=0
[  361.018394]  <IRQ>
[  361.027720]  dump_stack+0x244/0x39d
[  361.031361]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.036581]  warn_alloc.cold.116+0xb7/0x1bd
[  361.040922]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.045785]  ? lock_downgrade+0x900/0x900
[  361.049960]  ? trace_hardirqs_off+0xb8/0x310
[  361.054389]  ? trace_hardirqs_off+0xb8/0x310
[  361.058816]  __alloc_pages_slowpath+0x2651/0x2de0
[  361.063708]  ? warn_alloc+0x120/0x120
[  361.067527]  ? warn_alloc+0x120/0x120
[  361.071339]  ? warn_alloc+0x120/0x120
[  361.075150]  ? print_usage_bug+0xc0/0xc0
[  361.079226]  ? print_usage_bug+0xc0/0xc0
[  361.083296]  ? ktime_get+0x2c1/0x400
[  361.087041]  ? check_preemption_disabled+0x48/0x280
[  361.092065]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.096573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.102120]  ? should_fail+0x22d/0xd01
[  361.106197]  ? kasan_check_read+0x11/0x20
[  361.110354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.115469]  ? __lock_acquire+0x62f/0x4c20
[  361.119724]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.124838]  ? should_fail+0x22d/0xd01
[  361.128733]  ? print_usage_bug+0xc0/0xc0
[  361.132813]  ? mark_held_locks+0x130/0x130
[  361.137062]  ? mark_held_locks+0x130/0x130
[  361.141324]  ? check_preemption_disabled+0x48/0x280
[  361.146356]  ? zap_class+0x640/0x640
[  361.150081]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  361.154848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.160399]  ? check_preemption_disabled+0x48/0x280
[  361.165441]  ? __lock_is_held+0xb5/0x140
[  361.169518]  __alloc_pages_nodemask+0xad8/0xea0
[  361.174223]  ? zap_class+0x640/0x640
[  361.177954]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  361.182997]  ? find_held_lock+0x36/0x1c0
[  361.187074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.191772]  ? lock_downgrade+0x900/0x900
[  361.195941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.201499]  cache_grow_begin+0xa5/0x8c0
[  361.205569]  ? do_raw_spin_unlock+0xa7/0x330
[  361.210009]  fallback_alloc+0x204/0x2e0
[  361.213999]  ____cache_alloc_node+0x1c7/0x1e0
[  361.218508]  kmem_cache_alloc_node+0xe3/0x730
[  361.223019]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.227619]  __alloc_skb+0x119/0x770
[  361.231343]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  361.236728]  ? netdev_alloc_frag+0x1f0/0x1f0
[  361.241158]  ? vprintk_default+0x28/0x30
[  361.245231]  ? vprintk_func+0x85/0x181
[  361.249126]  ? printk+0xa7/0xcf
[  361.252424]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  361.257195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.262751]  new_skb+0x26/0x1c0
[  361.266038]  aoecmd_cfg+0x279/0x7f0
[  361.269683]  ? find_held_lock+0x36/0x1c0
[  361.273753]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  361.278095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.283675]  ? __lock_is_held+0xb5/0x140
[  361.287758]  discover_timer+0x50/0x60
[  361.291570]  call_timer_fn+0x272/0x920
[  361.295464]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.300317]  ? process_timeout+0x40/0x40
[  361.304405]  ? mark_held_locks+0xc7/0x130
[  361.308564]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.313064]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.317570]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.322429]  ? lockdep_hardirqs_on+0x296/0x5b0
[  361.327023]  ? trace_hardirqs_on+0xbd/0x310
[  361.331351]  ? kasan_check_read+0x11/0x20
[  361.335506]  ? __run_timers+0x7da/0xc70
[  361.339503]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.344641]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  361.349514]  __run_timers+0x7e5/0xc70
[  361.353360]  ? timer_fixup_init+0x70/0x70
[  361.357518]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  361.362547]  ? zap_class+0x640/0x640
[  361.366273]  ? print_usage_bug+0xc0/0xc0
[  361.370347]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  361.375556]  ? find_held_lock+0x36/0x1c0
[  361.379628]  ? zap_class+0x640/0x640
[  361.383391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.388959]  ? check_preemption_disabled+0x48/0x280
[  361.394029]  ? __lock_is_held+0xb5/0x140
[  361.398098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.403649]  ? check_preemption_disabled+0x48/0x280
[  361.408700]  run_timer_softirq+0x52/0xb0
[  361.412772]  ? rcu_read_lock_sched_held+0x14f/0x180
[  361.417800]  __do_softirq+0x308/0xb7e
[  361.421615]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  361.426120]  ? lock_downgrade+0x900/0x900
[  361.430283]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  361.435408]  ? pvclock_read_flags+0x160/0x160
[  361.439923]  ? lapic_next_event+0x5a/0x90
[  361.444084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.449662]  ? kvm_clock_read+0x18/0x30
[  361.453648]  ? kvm_sched_clock_read+0x9/0x20
[  361.458096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.463649]  ? check_preemption_disabled+0x48/0x280
[  361.468702]  irq_exit+0x17f/0x1c0
[  361.472168]  smp_apic_timer_interrupt+0x1cb/0x760
[  361.477023]  ? smp_reschedule_interrupt+0x109/0x650
[  361.482055]  ? smp_call_function_single_interrupt+0x650/0x650
[  361.487957]  ? interrupt_entry+0xb5/0xc0
[  361.492037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.497064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  361.502095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.506957]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.512000]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.517041]  ? task_prio+0x50/0x50
[  361.520590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.526143]  ? check_preemption_disabled+0x48/0x280
[  361.531179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.536044]  apic_timer_interrupt+0xf/0x20
[  361.540302]  </IRQ>
[  361.542553] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  361.547240] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  361.566158] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  361.573889] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  361.581167] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  361.588438] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  361.595721] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  361.603018] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  361.610338]  ? mark_held_locks+0x130/0x130
[  361.614586]  ? kernfs_notify_workfn+0xf0/0x440
[  361.619185]  ? mark_held_locks+0x130/0x130
[  361.623436]  ? set_next_entity+0x493/0xc70
[  361.627688]  ? mutex_trylock+0x2b0/0x2b0
[  361.631760]  ? update_load_avg+0x2470/0x2470
[  361.636192]  ? zap_class+0x640/0x640
[  361.639949]  ? zap_class+0x640/0x640
[  361.643689]  ? print_usage_bug+0xc0/0xc0
[  361.647788]  ? find_held_lock+0x36/0x1c0
[  361.651867]  ? mark_held_locks+0xc7/0x130
[  361.656028]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.660543]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.665048]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.669648]  ? trace_hardirqs_on+0xbd/0x310
[  361.673991]  ? kasan_check_read+0x11/0x20
[  361.678153]  ? kernfs_notify_workfn+0xe2/0x440
[  361.682747]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.687877]  mutex_lock_nested+0x16/0x20
[  361.691974]  ? _raw_spin_unlock_irq+0x60/0x80
[  361.696488]  ? mutex_lock_nested+0x16/0x20
[  361.700736]  kernfs_notify_workfn+0xf0/0x440
[  361.705168]  process_one_work+0xc90/0x1c40
[  361.709415]  ? mark_held_locks+0x130/0x130
[  361.713678]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  361.718360]  ? __switch_to_asm+0x40/0x70
[  361.722425]  ? __switch_to_asm+0x34/0x70
[  361.726506]  ? __switch_to_asm+0x40/0x70
[  361.730573]  ? __switch_to_asm+0x34/0x70
[  361.734647]  ? __switch_to_asm+0x40/0x70
[  361.738730]  ? __switch_to_asm+0x34/0x70
[  361.743098]  ? __switch_to_asm+0x40/0x70
[  361.747169]  ? __switch_to_asm+0x34/0x70
[  361.751238]  ? __switch_to_asm+0x40/0x70
[  361.755316]  ? __schedule+0x8d7/0x21d0
[  361.759224]  ? lock_downgrade+0x900/0x900
[  361.763398]  ? zap_class+0x640/0x640
[  361.767120]  ? zap_class+0x640/0x640
[  361.770845]  ? find_held_lock+0x36/0x1c0
[  361.774942]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.779554]  ? lock_acquire+0x1ed/0x520
[  361.783538]  ? worker_thread+0x3e0/0x1390
[  361.787794]  ? kasan_check_read+0x11/0x20
[  361.791956]  ? do_raw_spin_lock+0x14f/0x350
[  361.796291]  ? kasan_check_read+0x11/0x20
[  361.800454]  ? rwlock_bug.part.2+0x90/0x90
[  361.804697]  ? trace_hardirqs_on+0x310/0x310
[  361.809132]  worker_thread+0x17f/0x1390
[  361.813113]  ? __switch_to_asm+0x34/0x70
[  361.817233]  ? process_one_work+0x1c40/0x1c40
[  361.821748]  ? zap_class+0x640/0x640
[  361.825500]  ? __kthread_parkme+0xce/0x1a0
[  361.829749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  361.834863]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  361.839992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  361.844587]  ? trace_hardirqs_on+0xbd/0x310
[  361.848926]  ? kasan_check_read+0x11/0x20
[  361.853088]  ? __kthread_parkme+0xce/0x1a0
[  361.857345]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.862461]  ? trace_hardirqs_off_caller+0x310/0x310
[  361.867584]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  361.872729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.878283]  ? __kthread_parkme+0xfb/0x1a0
[  361.882532]  ? process_one_work+0x1c40/0x1c40
[  361.887084]  kthread+0x35a/0x440
[  361.890464]  ? kthread_stop+0x900/0x900
[  361.894453]  ret_from_fork+0x3a/0x50
[  361.898189] warn_alloc_show_mem: 1 callbacks suppressed
[  361.898201] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  361.898203] Mem-Info:
[  361.898235] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  361.898235]  active_file:9 inactive_file:10 isolated_file:8
[  361.898235]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.898235]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  361.898235]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  361.898235]  free:13786 free_pcp:282 free_cma:0
[  361.903580] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.903591] Call Trace:
[  361.910631] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.913039]  <IRQ>
[  361.946010] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  361.955386]  dump_stack+0x244/0x39d
[  361.957945] lowmem_reserve[]: 0 2818 6321 6321
[  361.985826]  ? dump_stack_print_info.cold.1+0x20/0x20
[  361.987953] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  362.014093]  warn_alloc.cold.116+0xb7/0x1bd
[  362.017721] lowmem_reserve[]: 0 0 3503 3503
[  362.022329]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.027501] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  362.054844]  ? lock_downgrade+0x900/0x900
[  362.059144] lowmem_reserve[]: 0 0 0 0
[  362.063481]  ? trace_hardirqs_off+0xb8/0x310
[  362.068299] 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
[  362.097205]  ? trace_hardirqs_off+0xb8/0x310
[  362.101354] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  362.105178]  __alloc_pages_slowpath+0x2651/0x2de0
[  362.109567] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  362.123130]  ? warn_alloc+0x120/0x120
[  362.127504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  362.142691]  ? print_usage_bug+0xc0/0xc0
[  362.147522] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  362.162548]  ? warn_alloc+0x120/0x120
[  362.166325] 4366 total pagecache pages
[  362.175172]  ? warn_alloc+0x120/0x120
[  362.179215] 0 pages in swap cache
[  362.187824]  ? print_usage_bug+0xc0/0xc0
[  362.191601] Swap cache stats: add 0, delete 0, find 0/0
[  362.195484]  ? kvm_clock_read+0x18/0x30
[  362.199305] Free swap  = 0kB
[  362.202760]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  362.206796] Total swap = 0kB
[  362.212162]  ? print_usage_bug+0xc0/0xc0
[  362.216112] 1965979 pages RAM
[  362.219157]  ? __lock_acquire+0x62f/0x4c20
[  362.224155] 0 pages HighMem/MovableOnly
[  362.227188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.231220] 342854 pages reserved
[  362.234325]  ? should_fail+0x22d/0xd01
[  362.238550] 0 pages cma reserved
[  362.242562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.248136] aoe: skb alloc failure
[  362.251540]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.251562]  ? __lock_acquire+0x62f/0x4c20
[  362.255460] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.258813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.264074] kworker/0:2 cpuset=/ mems_allowed=0
[  362.267618]  ? __lock_acquire+0x62f/0x4c20
[  362.301247]  ? should_fail+0x22d/0xd01
[  362.305137]  ? rcu_irq_exit+0x1a2/0x390
[  362.309145]  ? mark_held_locks+0x130/0x130
[  362.313411]  ? mark_held_locks+0x130/0x130
[  362.317701]  ? mark_held_locks+0xc7/0x130
[  362.321871]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  362.326911]  ? zap_class+0x640/0x640
[  362.330635]  ? print_usage_bug+0xc0/0xc0
[  362.334737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.340305]  ? check_preemption_disabled+0x48/0x280
[  362.345347]  ? __lock_is_held+0xb5/0x140
[  362.349428]  __alloc_pages_nodemask+0xad8/0xea0
[  362.354122]  ? zap_class+0x640/0x640
[  362.357847]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  362.362899]  ? find_held_lock+0x36/0x1c0
[  362.366993]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.371680]  ? lock_downgrade+0x900/0x900
[  362.375849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.381402]  cache_grow_begin+0xa5/0x8c0
[  362.385500]  ? do_raw_spin_unlock+0xa7/0x330
[  362.389932]  fallback_alloc+0x204/0x2e0
[  362.393921]  ____cache_alloc_node+0x1c7/0x1e0
[  362.398455]  kmem_cache_alloc_node+0xe3/0x730
[  362.402987]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.407242]  __alloc_skb+0x119/0x770
[  362.410965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.416279]  ? netdev_alloc_frag+0x1f0/0x1f0
[  362.420703]  ? lock_downgrade+0x900/0x900
[  362.424868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.430427]  ? refcount_sub_and_test_checked+0x203/0x310
[  362.435895]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  362.441360]  ? addrconf_rs_timer+0x690/0x690
[  362.445794]  ndisc_alloc_skb+0x144/0x340
[  362.449873]  ndisc_send_rs+0x331/0x6e0
[  362.453774]  addrconf_rs_timer+0x314/0x690
[  362.458026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.462279]  call_timer_fn+0x272/0x920
[  362.466179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.470426]  ? process_timeout+0x40/0x40
[  362.474506]  ? mark_held_locks+0xc7/0x130
[  362.478671]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.483179]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.487699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.491950]  ? lockdep_hardirqs_on+0x296/0x5b0
[  362.496550]  ? trace_hardirqs_on+0xbd/0x310
[  362.500891]  ? kasan_check_read+0x11/0x20
[  362.505044]  ? __run_timers+0x7da/0xc70
[  362.509026]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.514149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.518400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  362.522647]  __run_timers+0x7e5/0xc70
[  362.526474]  ? timer_fixup_init+0x70/0x70
[  362.530632]  ? kasan_check_read+0x11/0x20
[  362.534800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.540103]  ? rcu_softirq_qs+0x20/0x20
[  362.544092]  ? mark_held_locks+0xc7/0x130
[  362.548255]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.553040]  ? retint_kernel+0x2d/0x2d
[  362.556940]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.561886]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  362.566652]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.572173]  ? zap_class+0x640/0x640
[  362.575902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.581463]  ? check_preemption_disabled+0x48/0x280
[  362.586517]  ? __lock_is_held+0xb5/0x140
[  362.590604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.596161]  ? check_preemption_disabled+0x48/0x280
[  362.601201]  run_timer_softirq+0x52/0xb0
[  362.605283]  ? rcu_read_lock_sched_held+0x14f/0x180
[  362.610544]  __do_softirq+0x308/0xb7e
[  362.614360]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  362.618890]  ? lock_downgrade+0x900/0x900
[  362.623057]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  362.628179]  ? pvclock_read_flags+0x160/0x160
[  362.632694]  ? lapic_next_event+0x5a/0x90
[  362.636855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.642411]  ? kvm_clock_read+0x18/0x30
[  362.646396]  ? kvm_sched_clock_read+0x9/0x20
[  362.650822]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.656376]  ? check_preemption_disabled+0x48/0x280
[  362.661415]  irq_exit+0x17f/0x1c0
[  362.664889]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.669751]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.675648]  ? interrupt_entry+0xb5/0xc0
[  362.679728]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.684755]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.689811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.694672]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.699705]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.704734]  ? task_prio+0x50/0x50
[  362.708281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.713837]  ? check_preemption_disabled+0x48/0x280
[  362.718869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.723745]  apic_timer_interrupt+0xf/0x20
[  362.727982]  </IRQ>
[  362.730227] RIP: 0010:dump_stack+0x358/0x39d
[  362.734640] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  362.753564] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  362.761289] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  362.768575] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  362.775870] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  362.783152] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  362.790438] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  362.797751]  ? dump_stack+0x34f/0x39d
[  362.801576]  ? dump_stack_print_info.cold.1+0x20/0x20
[  362.806782]  ? mark_held_locks+0x130/0x130
[  362.811023]  ? mark_held_locks+0x130/0x130
[  362.815271]  dump_header+0x27b/0xf72
[  362.819004]  ? pagefault_out_of_memory+0x197/0x197
[  362.823951]  ? __lock_acquire+0x62f/0x4c20
[  362.828196]  ? percpu_ref_get_many+0x240/0x240
[  362.832795]  ? print_usage_bug+0xc0/0xc0
[  362.836875]  ? zap_class+0x640/0x640
[  362.840598]  ? print_usage_bug+0xc0/0xc0
[  362.844676]  ? print_usage_bug+0xc0/0xc0
[  362.848754]  ? zap_class+0x640/0x640
[  362.852477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.858035]  ? find_held_lock+0x36/0x1c0
[  362.862116]  ? mark_held_locks+0xc7/0x130
[  362.866269]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.871386]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  362.876506]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  362.881102]  ? trace_hardirqs_on+0xbd/0x310
[  362.885439]  ? kasan_check_read+0x11/0x20
[  362.889597]  ? ___ratelimit+0x3b4/0x672
[  362.893595]  ? trace_hardirqs_off_caller+0x310/0x310
[  362.898726]  ? trace_hardirqs_on+0x310/0x310
[  362.903145]  ? lock_downgrade+0x900/0x900
[  362.907307]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  362.912429]  ? ___ratelimit+0x3b9/0x672
[  362.916421]  ? idr_get_free+0xf70/0xf70
[  362.920402]  ? find_held_lock+0x36/0x1c0
[  362.924501]  oom_kill_process.cold.27+0x10/0x903
[  362.929269]  ? zap_class+0x640/0x640
[  362.932998]  ? check_preemption_disabled+0x48/0x280
[  362.938030]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.943000]  ? kasan_check_read+0x11/0x20
[  362.947158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.952458]  ? oom_evaluate_task+0x540/0x540
[  362.956883]  ? find_held_lock+0x36/0x1c0
[  362.960964]  ? out_of_memory+0x974/0x1430
[  362.965132]  ? lock_downgrade+0x900/0x900
[  362.969292]  ? check_preemption_disabled+0x48/0x280
[  362.974328]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  362.979275]  ? kasan_check_read+0x11/0x20
[  362.983437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  362.988726]  ? rcu_softirq_qs+0x20/0x20
[  362.992715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.998271]  ? oom_evaluate_task+0x302/0x540
[  363.002700]  out_of_memory+0xa84/0x1430
[  363.006713]  ? oom_killer_disable+0x3a0/0x3a0
[  363.011220]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  363.016167]  ? __ww_mutex_check_waiters+0x160/0x160
[  363.021209]  __alloc_pages_slowpath+0x232c/0x2de0
[  363.026101]  ? warn_alloc+0x120/0x120
[  363.029911]  ? mark_held_locks+0x130/0x130
[  363.034165]  ? find_get_entry+0xaae/0x1120
[  363.038432]  ? filemap_map_pages+0x1a20/0x1a20
[  363.043033]  ? zap_class+0x640/0x640
[  363.046759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.052326]  ? check_preemption_disabled+0x48/0x280
[  363.057363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.062951]  ? should_fail+0x22d/0xd01
[  363.066858]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.071973]  ? zap_class+0x640/0x640
[  363.075726]  ? __lock_is_held+0xb5/0x140
[  363.079812]  ? mark_held_locks+0x130/0x130
[  363.084064]  ? lock_release+0xa00/0xa00
[  363.088062]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.093525]  ? xa_load+0x2ba/0x460
[  363.097075]  ? lock_downgrade+0x900/0x900
[  363.101249]  ? __might_sleep+0x95/0x190
[  363.105239]  __alloc_pages_nodemask+0xad8/0xea0
[  363.109935]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  363.114963]  ? __page_cache_alloc+0x191/0x5c0
[  363.119465]  ? xa_load+0x2e1/0x460
[  363.123010]  ? xa_clear_mark+0x40/0x40
[  363.126912]  ? zap_class+0x640/0x640
[  363.130640]  ? zap_class+0x640/0x640
[  363.134366]  ? zap_class+0x640/0x640
[  363.138086]  ? __do_page_cache_readahead+0x663/0x810
[  363.143213]  ? find_held_lock+0x36/0x1c0
[  363.147288]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  363.152846]  alloc_pages_current+0x173/0x350
[  363.157290]  __page_cache_alloc+0x38c/0x5c0
[  363.161623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.166571]  ? kasan_check_read+0x11/0x20
[  363.170733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.176024]  ? generic_perform_write+0x6a0/0x6a0
[  363.180790]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.186355]  ? check_preemption_disabled+0x48/0x280
[  363.191394]  filemap_fault+0x1595/0x25f0
[  363.195484]  ? __lock_page_or_retry+0xa00/0xa00
[  363.200171]  ? mark_held_locks+0x130/0x130
[  363.204430]  ? filemap_map_pages+0xd6b/0x1a20
[  363.208942]  ? lock_downgrade+0x900/0x900
[  363.213099]  ? check_preemption_disabled+0x48/0x280
[  363.218135]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.223071]  ? kasan_check_read+0x11/0x20
[  363.227242]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.232543]  ? rcu_softirq_qs+0x20/0x20
[  363.236546]  ? filemap_map_pages+0xd92/0x1a20
[  363.241077]  ? find_get_entries_tag+0x1400/0x1400
[  363.245980]  ? debug_object_destroy+0x2b0/0x2b0
[  363.250685]  ? lock_pi_update_atomic+0x150/0x150
[  363.255468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.261061]  ? lock_acquire+0x1ed/0x520
[  363.265041]  ? ext4_filemap_fault+0x7a/0xad
[  363.269378]  ? lock_release+0xa00/0xa00
[  363.273359]  ? perf_trace_sched_process_exec+0x860/0x860
[  363.278824]  ? print_usage_bug+0xc0/0xc0
[  363.282912]  ? print_usage_bug+0xc0/0xc0
[  363.286999]  ? down_read+0x8d/0x120
[  363.290630]  ? ext4_filemap_fault+0x7a/0xad
[  363.294975]  ? __down_interruptible+0x700/0x700
[  363.299673]  ext4_filemap_fault+0x82/0xad
[  363.303850]  __do_fault+0x100/0x6b0
[  363.307540]  ? pmd_devmap_trans_unstable+0x220/0x220
[  363.312679]  ? mark_held_locks+0x130/0x130
[  363.316926]  ? mark_held_locks+0x130/0x130
[  363.321172]  ? __might_fault+0x12b/0x1e0
[  363.325240]  ? lock_downgrade+0x900/0x900
[  363.329404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.334962]  __handle_mm_fault+0x3ea0/0x5be0
[  363.339447]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  363.344302]  ? _copy_to_user+0xc8/0x110
[  363.348297]  ? zap_class+0x640/0x640
[  363.352026]  ? zap_class+0x640/0x640
[  363.355746]  ? __x64_sys_futex+0x53e/0x6a0
[  363.359995]  ? find_held_lock+0x36/0x1c0
[  363.364073]  ? handle_mm_fault+0x42a/0xc70
[  363.368321]  ? lock_downgrade+0x900/0x900
[  363.372474]  ? check_preemption_disabled+0x48/0x280
[  363.377503]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  363.382441]  ? kasan_check_read+0x11/0x20
[  363.386597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  363.391900]  ? rcu_softirq_qs+0x20/0x20
[  363.395877]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.401009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.406557]  ? check_preemption_disabled+0x48/0x280
[  363.411590]  handle_mm_fault+0x54f/0xc70
[  363.415680]  ? __handle_mm_fault+0x5be0/0x5be0
[  363.420277]  ? find_vma+0x34/0x190
[  363.423829]  __do_page_fault+0x5e8/0xe60
[  363.427895]  ? trace_hardirqs_off+0xb8/0x310
[  363.432316]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.437887]  do_page_fault+0xf2/0x7e0
[  363.441705]  ? vmalloc_sync_all+0x30/0x30
[  363.445863]  ? error_entry+0x70/0xd0
[  363.449585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.454611]  ? trace_hardirqs_on_caller+0xc0/0x310
[  363.459553]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.464488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.469344]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.474387]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.479854]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  363.484895]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.489924]  ? page_fault+0x8/0x30
[  363.493482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.498341]  ? page_fault+0x8/0x30
[  363.501902]  page_fault+0x1e/0x30
[  363.505366] RIP: 0033:0x45ddf3
[  363.508576] Code: Bad RIP value.
[  363.511941] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  363.517310] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  363.524592] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  363.531876] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  363.539160] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  363.546449] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  363.553760] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  363.553824] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  363.560896] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.560925] Workqueue: events kernfs_notify_workfn
[  363.560932] Call Trace:
[  363.560948]  <IRQ>
[  363.567643] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  363.576831]  dump_stack+0x244/0x39d
[  363.581740] syz-fuzzer cpuset=/ mems_allowed=0
[  363.584331]  ? dump_stack_print_info.cold.1+0x20/0x20
[  363.610098]  warn_alloc.cold.116+0xb7/0x1bd
[  363.614431]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  363.619298]  ? lock_downgrade+0x900/0x900
[  363.623481]  ? trace_hardirqs_off+0xb8/0x310
[  363.627936]  ? trace_hardirqs_off+0xb8/0x310
[  363.632369]  __alloc_pages_slowpath+0x2651/0x2de0
[  363.637259]  ? warn_alloc+0x120/0x120
[  363.641080]  ? warn_alloc+0x120/0x120
[  363.644897]  ? __lock_acquire+0x62f/0x4c20
[  363.649154]  ? warn_alloc+0x120/0x120
[  363.652976]  ? print_usage_bug+0xc0/0xc0
[  363.657075]  ? print_usage_bug+0xc0/0xc0
[  363.661156]  ? mark_held_locks+0x130/0x130
[  363.665416]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.671024]  ? should_fail+0x22d/0xd01
[  363.674943]  ? zap_class+0x640/0x640
[  363.678696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.683822]  ? __lock_acquire+0x62f/0x4c20
[  363.688084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  363.693206]  ? should_fail+0x22d/0xd01
[  363.697118]  ? mark_held_locks+0x130/0x130
[  363.701368]  ? mark_held_locks+0x130/0x130
[  363.705616]  ? lock_downgrade+0x900/0x900
[  363.709793]  ? zap_class+0x640/0x640
[  363.713515]  ? zap_class+0x640/0x640
[  363.717242]  ? zap_class+0x640/0x640
[  363.720966]  ? do_raw_spin_unlock+0xa7/0x330
[  363.725429]  ? trace_hardirqs_on+0x310/0x310
[  363.729850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.735417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.741215]  ? check_preemption_disabled+0x48/0x280
[  363.746243]  ? __lock_is_held+0xb5/0x140
[  363.750319]  __alloc_pages_nodemask+0xad8/0xea0
[  363.755013]  ? zap_class+0x640/0x640
[  363.758745]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  363.763791]  ? find_held_lock+0x36/0x1c0
[  363.767871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  363.772557]  ? lock_downgrade+0x900/0x900
[  363.776758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.782320]  cache_grow_begin+0xa5/0x8c0
[  363.786390]  ? do_raw_spin_unlock+0xa7/0x330
[  363.790819]  fallback_alloc+0x204/0x2e0
[  363.794809]  ____cache_alloc_node+0x1c7/0x1e0
[  363.799325]  kmem_cache_alloc_node+0xe3/0x730
[  363.803835]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.808438]  __alloc_skb+0x119/0x770
[  363.812165]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  363.817548]  ? netdev_alloc_frag+0x1f0/0x1f0
[  363.821977]  ? vprintk_default+0x28/0x30
[  363.826051]  ? vprintk_func+0x85/0x181
[  363.829956]  ? printk+0xa7/0xcf
[  363.833242]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  363.838018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.843580]  new_skb+0x26/0x1c0
[  363.846873]  aoecmd_cfg+0x279/0x7f0
[  363.850516]  ? find_held_lock+0x36/0x1c0
[  363.854591]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  363.858938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.864504]  ? __lock_is_held+0xb5/0x140
[  363.868610]  discover_timer+0x50/0x60
[  363.872419]  call_timer_fn+0x272/0x920
[  363.876319]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  363.881170]  ? process_timeout+0x40/0x40
[  363.885255]  ? mark_held_locks+0xc7/0x130
[  363.889413]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.893915]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.898429]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  363.903287]  ? lockdep_hardirqs_on+0x296/0x5b0
[  363.907880]  ? trace_hardirqs_on+0xbd/0x310
[  363.912213]  ? kasan_check_read+0x11/0x20
[  363.916369]  ? __run_timers+0x7da/0xc70
[  363.920356]  ? trace_hardirqs_off_caller+0x310/0x310
[  363.925494]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  363.930350]  __run_timers+0x7e5/0xc70
[  363.934167]  ? timer_fixup_init+0x70/0x70
[  363.938324]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.943350]  ? zap_class+0x640/0x640
[  363.947076]  ? print_usage_bug+0xc0/0xc0
[  363.951152]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.956361]  ? find_held_lock+0x36/0x1c0
[  363.960435]  ? zap_class+0x640/0x640
[  363.964171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.969727]  ? check_preemption_disabled+0x48/0x280
[  363.974766]  ? __lock_is_held+0xb5/0x140
[  363.978843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.984404]  ? check_preemption_disabled+0x48/0x280
[  363.989441]  run_timer_softirq+0x52/0xb0
[  363.993521]  ? rcu_read_lock_sched_held+0x14f/0x180
[  363.998548]  __do_softirq+0x308/0xb7e
[  364.002361]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  364.006874]  ? lock_downgrade+0x900/0x900
[  364.011052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  364.016180]  ? pvclock_read_flags+0x160/0x160
[  364.020699]  ? lapic_next_event+0x5a/0x90
[  364.024872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.030441]  ? kvm_clock_read+0x18/0x30
[  364.034426]  ? kvm_sched_clock_read+0x9/0x20
[  364.038846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.044396]  ? check_preemption_disabled+0x48/0x280
[  364.049432]  irq_exit+0x17f/0x1c0
[  364.052904]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.057769]  ? smp_reschedule_interrupt+0x109/0x650
[  364.062802]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.068727]  ? interrupt_entry+0xb5/0xc0
[  364.072798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.077821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.082856]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.087709]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.092756]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.097789]  ? task_prio+0x50/0x50
[  364.101340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.106889]  ? check_preemption_disabled+0x48/0x280
[  364.111928]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.116791]  apic_timer_interrupt+0xf/0x20
[  364.121024]  </IRQ>
[  364.123274] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  364.127956] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  364.146875] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.154601] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  364.161886] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  364.169187] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  364.176517] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  364.183797] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  364.191114]  ? mark_held_locks+0x130/0x130
[  364.195357]  ? kernfs_notify_workfn+0xf0/0x440
[  364.199956]  ? mark_held_locks+0x130/0x130
[  364.204201]  ? set_next_entity+0x493/0xc70
[  364.208444]  ? mutex_trylock+0x2b0/0x2b0
[  364.212514]  ? update_load_avg+0x2470/0x2470
[  364.216943]  ? zap_class+0x640/0x640
[  364.220687]  ? zap_class+0x640/0x640
[  364.224410]  ? print_usage_bug+0xc0/0xc0
[  364.228494]  ? find_held_lock+0x36/0x1c0
[  364.232574]  ? mark_held_locks+0xc7/0x130
[  364.236748]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.241245]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.245762]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.250351]  ? trace_hardirqs_on+0xbd/0x310
[  364.254681]  ? kasan_check_read+0x11/0x20
[  364.258836]  ? kernfs_notify_workfn+0xe2/0x440
[  364.263429]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.268554]  mutex_lock_nested+0x16/0x20
[  364.272619]  ? _raw_spin_unlock_irq+0x60/0x80
[  364.277118]  ? mutex_lock_nested+0x16/0x20
[  364.281390]  kernfs_notify_workfn+0xf0/0x440
[  364.285817]  process_one_work+0xc90/0x1c40
[  364.290062]  ? mark_held_locks+0x130/0x130
[  364.294314]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  364.299014]  ? __switch_to_asm+0x40/0x70
[  364.303112]  ? __switch_to_asm+0x34/0x70
[  364.307186]  ? __switch_to_asm+0x40/0x70
[  364.311257]  ? __switch_to_asm+0x34/0x70
[  364.315337]  ? __switch_to_asm+0x40/0x70
[  364.319424]  ? __switch_to_asm+0x34/0x70
[  364.323504]  ? __switch_to_asm+0x40/0x70
[  364.327572]  ? __switch_to_asm+0x34/0x70
[  364.331638]  ? __switch_to_asm+0x40/0x70
[  364.335724]  ? __schedule+0x8d7/0x21d0
[  364.339647]  ? lock_downgrade+0x900/0x900
[  364.343812]  ? zap_class+0x640/0x640
[  364.347528]  ? zap_class+0x640/0x640
[  364.351270]  ? find_held_lock+0x36/0x1c0
[  364.355340]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.359960]  ? lock_acquire+0x1ed/0x520
[  364.363955]  ? worker_thread+0x3e0/0x1390
[  364.368117]  ? kasan_check_read+0x11/0x20
[  364.372269]  ? do_raw_spin_lock+0x14f/0x350
[  364.376598]  ? kasan_check_read+0x11/0x20
[  364.380752]  ? rwlock_bug.part.2+0x90/0x90
[  364.384996]  ? trace_hardirqs_on+0x310/0x310
[  364.389425]  worker_thread+0x17f/0x1390
[  364.393407]  ? __switch_to_asm+0x34/0x70
[  364.397492]  ? process_one_work+0x1c40/0x1c40
[  364.402007]  ? zap_class+0x640/0x640
[  364.405775]  ? __kthread_parkme+0xce/0x1a0
[  364.410032]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  364.415148]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  364.420261]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  364.424858]  ? trace_hardirqs_on+0xbd/0x310
[  364.429188]  ? kasan_check_read+0x11/0x20
[  364.433346]  ? __kthread_parkme+0xce/0x1a0
[  364.437594]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.442713]  ? trace_hardirqs_off_caller+0x310/0x310
[  364.447852]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  364.452971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.458524]  ? __kthread_parkme+0xfb/0x1a0
[  364.462774]  ? process_one_work+0x1c40/0x1c40
[  364.467286]  kthread+0x35a/0x440
[  364.470669]  ? kthread_stop+0x900/0x900
[  364.474668]  ret_from_fork+0x3a/0x50
[  364.478402] warn_alloc_show_mem: 1 callbacks suppressed
[  364.478414] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  364.478416] Mem-Info:
[  364.478453] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  364.478453]  active_file:9 inactive_file:10 isolated_file:8
[  364.478453]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.478453]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  364.478453]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  364.478453]  free:13786 free_pcp:282 free_cma:0
[  364.483807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  364.490845] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.493247] Call Trace:
[  364.526216] 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
[  364.535581]  <IRQ>
[  364.563433] lowmem_reserve[]: 0 2818 6321 6321
[  364.566025]  dump_stack+0x244/0x39d
[  364.592120] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  364.594281]  ? dump_stack_print_info.cold.1+0x20/0x20
[  364.598832] lowmem_reserve[]: 0 0 3503 3503
[  364.602472]  warn_alloc.cold.116+0xb7/0x1bd
[  364.630315] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  364.635537]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.639838] lowmem_reserve[]: 0 0 0 0
[  364.644166]  ? lock_downgrade+0x900/0x900
[  364.673055] 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
[  364.677913]  ? trace_hardirqs_off+0xb8/0x310
[  364.681695] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  364.685848]  ? trace_hardirqs_off+0xb8/0x310
[  364.699356] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  364.703781]  __alloc_pages_slowpath+0x2651/0x2de0
[  364.718940] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.723396]  ? warn_alloc+0x120/0x120
[  364.738372] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.743219]  ? find_held_lock+0x36/0x1c0
[  364.752042] 4366 total pagecache pages
[  364.755957]  ? warn_alloc+0x120/0x120
[  364.764524] 0 pages in swap cache
[  364.768597]  ? warn_alloc+0x120/0x120
[  364.772461] Swap cache stats: add 0, delete 0, find 0/0
[  364.776266]  ? print_usage_bug+0xc0/0xc0
[  364.779699] Free swap  = 0kB
[  364.783528]  ? print_usage_bug+0xc0/0xc0
[  364.788874] Total swap = 0kB
[  364.792944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.795943] 1965979 pages RAM
[  364.800015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.803012] 0 pages HighMem/MovableOnly
[  364.808309]  ? should_fail+0x22d/0xd01
[  364.811393] 342854 pages reserved
[  364.811402] 0 pages cma reserved
[  364.816967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.820982] aoe: skb alloc failure
[  364.824813]  ? __lock_acquire+0x62f/0x4c20
[  364.828278] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.831616]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.836704] kworker/0:2 cpuset=/ mems_allowed=0
[  364.840248]  ? __lock_acquire+0x62f/0x4c20
[  364.868776]  ? should_fail+0x22d/0xd01
[  364.872693]  ? mark_held_locks+0x130/0x130
[  364.876947]  ? mark_held_locks+0x130/0x130
[  364.881200]  ? __enqueue_entity+0x10d/0x1f0
[  364.885540]  ? zap_class+0x640/0x640
[  364.889286]  ? print_usage_bug+0xc0/0xc0
[  364.893374]  ? __lock_acquire+0x62f/0x4c20
[  364.897626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.903190]  ? check_preemption_disabled+0x48/0x280
[  364.908229]  ? __lock_is_held+0xb5/0x140
[  364.912307]  __alloc_pages_nodemask+0xad8/0xea0
[  364.916992]  ? zap_class+0x640/0x640
[  364.920722]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  364.925765]  ? find_held_lock+0x36/0x1c0
[  364.929849]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.934529]  ? lock_downgrade+0x900/0x900
[  364.938695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.944255]  cache_grow_begin+0xa5/0x8c0
[  364.948324]  ? do_raw_spin_unlock+0xa7/0x330
[  364.952752]  fallback_alloc+0x204/0x2e0
[  364.956741]  ____cache_alloc_node+0x1c7/0x1e0
[  364.961254]  kmem_cache_alloc_node+0xe3/0x730
[  364.965762]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.970014]  __alloc_skb+0x119/0x770
[  364.973735]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.979034]  ? netdev_alloc_frag+0x1f0/0x1f0
[  364.983456]  ? lock_downgrade+0x900/0x900
[  364.987624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.993191]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.998672]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.004137]  ? addrconf_rs_timer+0x690/0x690
[  365.008572]  ndisc_alloc_skb+0x144/0x340
[  365.012647]  ndisc_send_rs+0x331/0x6e0
[  365.016558]  addrconf_rs_timer+0x314/0x690
[  365.020809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.025064]  call_timer_fn+0x272/0x920
[  365.028960]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.033204]  ? process_timeout+0x40/0x40
[  365.037282]  ? mark_held_locks+0xc7/0x130
[  365.041443]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.045947]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.050452]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.054703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.059295]  ? trace_hardirqs_on+0xbd/0x310
[  365.063623]  ? kasan_check_read+0x11/0x20
[  365.067786]  ? __run_timers+0x7da/0xc70
[  365.071768]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.076894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.081142]  __run_timers+0x7e5/0xc70
[  365.084964]  ? timer_fixup_init+0x70/0x70
[  365.089124]  ? kasan_check_read+0x11/0x20
[  365.093294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.098583]  ? rcu_softirq_qs+0x20/0x20
[  365.102584]  ? mark_held_locks+0xc7/0x130
[  365.106743]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.111510]  ? retint_kernel+0x2d/0x2d
[  365.115405]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.120353]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  365.125120]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.130580]  ? zap_class+0x640/0x640
[  365.134320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.139883]  ? check_preemption_disabled+0x48/0x280
[  365.144920]  ? __lock_is_held+0xb5/0x140
[  365.148994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.154550]  ? check_preemption_disabled+0x48/0x280
[  365.159581]  run_timer_softirq+0x52/0xb0
[  365.163650]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.168697]  __do_softirq+0x308/0xb7e
[  365.172511]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  365.177013]  ? lock_downgrade+0x900/0x900
[  365.181174]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.186290]  ? pvclock_read_flags+0x160/0x160
[  365.190796]  ? lapic_next_event+0x5a/0x90
[  365.194954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.200507]  ? kvm_clock_read+0x18/0x30
[  365.204507]  ? kvm_sched_clock_read+0x9/0x20
[  365.208925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.214478]  ? check_preemption_disabled+0x48/0x280
[  365.219534]  irq_exit+0x17f/0x1c0
[  365.222995]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.227850]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.233748]  ? interrupt_entry+0xb5/0xc0
[  365.237832]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.242856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.247901]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.252754]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.257785]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.262813]  ? task_prio+0x50/0x50
[  365.266363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.271912]  ? check_preemption_disabled+0x48/0x280
[  365.276948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.281815]  apic_timer_interrupt+0xf/0x20
[  365.286050]  </IRQ>
[  365.288297] RIP: 0010:dump_stack+0x358/0x39d
[  365.292741] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  365.311665] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.319391] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  365.326680] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  365.333976] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  365.341287] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  365.348570] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  365.355878]  ? dump_stack+0x34f/0x39d
[  365.359707]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.364912]  ? mark_held_locks+0x130/0x130
[  365.369173]  ? mark_held_locks+0x130/0x130
[  365.373425]  dump_header+0x27b/0xf72
[  365.377162]  ? pagefault_out_of_memory+0x197/0x197
[  365.382115]  ? __lock_acquire+0x62f/0x4c20
[  365.386359]  ? percpu_ref_get_many+0x240/0x240
[  365.390955]  ? print_usage_bug+0xc0/0xc0
[  365.395031]  ? zap_class+0x640/0x640
[  365.398753]  ? print_usage_bug+0xc0/0xc0
[  365.402819]  ? print_usage_bug+0xc0/0xc0
[  365.406894]  ? zap_class+0x640/0x640
[  365.410616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.416171]  ? find_held_lock+0x36/0x1c0
[  365.420251]  ? mark_held_locks+0xc7/0x130
[  365.424411]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.429534]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.434664]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.439266]  ? trace_hardirqs_on+0xbd/0x310
[  365.443607]  ? kasan_check_read+0x11/0x20
[  365.447765]  ? ___ratelimit+0x3b4/0x672
[  365.451753]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.456873]  ? trace_hardirqs_on+0x310/0x310
[  365.461291]  ? lock_downgrade+0x900/0x900
[  365.465456]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.470573]  ? ___ratelimit+0x3b9/0x672
[  365.474561]  ? idr_get_free+0xf70/0xf70
[  365.478545]  ? find_held_lock+0x36/0x1c0
[  365.482622]  oom_kill_process.cold.27+0x10/0x903
[  365.487401]  ? zap_class+0x640/0x640
[  365.491130]  ? check_preemption_disabled+0x48/0x280
[  365.496164]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.501160]  ? kasan_check_read+0x11/0x20
[  365.505320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.510613]  ? oom_evaluate_task+0x540/0x540
[  365.515041]  ? find_held_lock+0x36/0x1c0
[  365.519122]  ? out_of_memory+0x974/0x1430
[  365.523286]  ? lock_downgrade+0x900/0x900
[  365.527446]  ? check_preemption_disabled+0x48/0x280
[  365.532480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.537428]  ? kasan_check_read+0x11/0x20
[  365.541588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.546879]  ? rcu_softirq_qs+0x20/0x20
[  365.550866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.556415]  ? oom_evaluate_task+0x302/0x540
[  365.560847]  out_of_memory+0xa84/0x1430
[  365.564844]  ? oom_killer_disable+0x3a0/0x3a0
[  365.569349]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  365.574300]  ? __ww_mutex_check_waiters+0x160/0x160
[  365.579346]  __alloc_pages_slowpath+0x232c/0x2de0
[  365.584231]  ? warn_alloc+0x120/0x120
[  365.588041]  ? mark_held_locks+0x130/0x130
[  365.592295]  ? find_get_entry+0xaae/0x1120
[  365.596546]  ? filemap_map_pages+0x1a20/0x1a20
[  365.601166]  ? zap_class+0x640/0x640
[  365.604906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.610466]  ? check_preemption_disabled+0x48/0x280
[  365.615496]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.621045]  ? should_fail+0x22d/0xd01
[  365.624945]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.630071]  ? zap_class+0x640/0x640
[  365.633827]  ? __lock_is_held+0xb5/0x140
[  365.637904]  ? mark_held_locks+0x130/0x130
[  365.642162]  ? lock_release+0xa00/0xa00
[  365.646156]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.651619]  ? xa_load+0x2ba/0x460
[  365.655171]  ? lock_downgrade+0x900/0x900
[  365.659335]  ? __might_sleep+0x95/0x190
[  365.663328]  __alloc_pages_nodemask+0xad8/0xea0
[  365.668015]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  365.673047]  ? __page_cache_alloc+0x191/0x5c0
[  365.677546]  ? xa_load+0x2e1/0x460
[  365.681097]  ? xa_clear_mark+0x40/0x40
[  365.684994]  ? zap_class+0x640/0x640
[  365.688726]  ? zap_class+0x640/0x640
[  365.692448]  ? zap_class+0x640/0x640
[  365.696171]  ? __do_page_cache_readahead+0x663/0x810
[  365.701293]  ? find_held_lock+0x36/0x1c0
[  365.705369]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  365.710948]  alloc_pages_current+0x173/0x350
[  365.715377]  __page_cache_alloc+0x38c/0x5c0
[  365.719717]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.724667]  ? kasan_check_read+0x11/0x20
[  365.728837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.734128]  ? generic_perform_write+0x6a0/0x6a0
[  365.738897]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.744985]  ? check_preemption_disabled+0x48/0x280
[  365.750021]  filemap_fault+0x1595/0x25f0
[  365.754112]  ? __lock_page_or_retry+0xa00/0xa00
[  365.758800]  ? mark_held_locks+0x130/0x130
[  365.763060]  ? filemap_map_pages+0xd6b/0x1a20
[  365.767573]  ? lock_downgrade+0x900/0x900
[  365.771740]  ? check_preemption_disabled+0x48/0x280
[  365.776774]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.781716]  ? kasan_check_read+0x11/0x20
[  365.785878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.791171]  ? rcu_softirq_qs+0x20/0x20
[  365.795182]  ? filemap_map_pages+0xd92/0x1a20
[  365.799717]  ? find_get_entries_tag+0x1400/0x1400
[  365.804577]  ? debug_object_destroy+0x2b0/0x2b0
[  365.809258]  ? lock_pi_update_atomic+0x150/0x150
[  365.814028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.819597]  ? lock_acquire+0x1ed/0x520
[  365.823577]  ? ext4_filemap_fault+0x7a/0xad
[  365.827913]  ? lock_release+0xa00/0xa00
[  365.831897]  ? perf_trace_sched_process_exec+0x860/0x860
[  365.837363]  ? print_usage_bug+0xc0/0xc0
[  365.841446]  ? print_usage_bug+0xc0/0xc0
[  365.845540]  ? down_read+0x8d/0x120
[  365.849172]  ? ext4_filemap_fault+0x7a/0xad
[  365.853535]  ? __down_interruptible+0x700/0x700
[  365.858222]  ext4_filemap_fault+0x82/0xad
[  365.862385]  __do_fault+0x100/0x6b0
[  365.866032]  ? pmd_devmap_trans_unstable+0x220/0x220
[  365.871160]  ? mark_held_locks+0x130/0x130
[  365.875439]  ? mark_held_locks+0x130/0x130
[  365.879690]  ? __might_fault+0x12b/0x1e0
[  365.883765]  ? lock_downgrade+0x900/0x900
[  365.887929]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.893484]  __handle_mm_fault+0x3ea0/0x5be0
[  365.897913]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  365.902778]  ? _copy_to_user+0xc8/0x110
[  365.906784]  ? zap_class+0x640/0x640
[  365.910503]  ? zap_class+0x640/0x640
[  365.914227]  ? __x64_sys_futex+0x53e/0x6a0
[  365.918477]  ? find_held_lock+0x36/0x1c0
[  365.922554]  ? handle_mm_fault+0x42a/0xc70
[  365.926801]  ? lock_downgrade+0x900/0x900
[  365.930957]  ? check_preemption_disabled+0x48/0x280
[  365.935985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.940926]  ? kasan_check_read+0x11/0x20
[  365.945086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.950374]  ? rcu_softirq_qs+0x20/0x20
[  365.954359]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.959502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.965064]  ? check_preemption_disabled+0x48/0x280
[  365.970098]  handle_mm_fault+0x54f/0xc70
[  365.974170]  ? __handle_mm_fault+0x5be0/0x5be0
[  365.978786]  ? find_vma+0x34/0x190
[  365.982358]  __do_page_fault+0x5e8/0xe60
[  365.986431]  ? trace_hardirqs_off+0xb8/0x310
[  365.990863]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.996430]  do_page_fault+0xf2/0x7e0
[  366.000249]  ? vmalloc_sync_all+0x30/0x30
[  366.004421]  ? error_entry+0x70/0xd0
[  366.008323]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.013348]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.018291]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.023230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.028085]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.033112]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.038589]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  366.043632]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.048670]  ? page_fault+0x8/0x30
[  366.052235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.057090]  ? page_fault+0x8/0x30
[  366.060642]  page_fault+0x1e/0x30
[  366.064105] RIP: 0033:0x45ddf3
[  366.067316] Code: Bad RIP value.
[  366.070688] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  366.076059] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  366.083336] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  366.090624] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  366.097910] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  366.105195] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  366.112523] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  366.112587] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.119636] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.119668] Workqueue: events kernfs_notify_workfn
[  366.119675] Call Trace:
[  366.119682]  <IRQ>
[  366.119703]  dump_stack+0x244/0x39d
[  366.119722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.126315] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.135625]  warn_alloc.cold.116+0xb7/0x1bd
[  366.140552] syz-fuzzer cpuset=/ mems_allowed=0
[  366.143150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.178043]  ? lock_downgrade+0x900/0x900
[  366.182210]  ? trace_hardirqs_off+0xb8/0x310
[  366.186633]  ? trace_hardirqs_off+0xb8/0x310
[  366.191067]  __alloc_pages_slowpath+0x2651/0x2de0
[  366.195973]  ? warn_alloc+0x120/0x120
[  366.199795]  ? warn_alloc+0x120/0x120
[  366.203621]  ? __lock_acquire+0x62f/0x4c20
[  366.207874]  ? warn_alloc+0x120/0x120
[  366.211696]  ? print_usage_bug+0xc0/0xc0
[  366.215774]  ? print_usage_bug+0xc0/0xc0
[  366.219848]  ? mark_held_locks+0x130/0x130
[  366.224102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.229651]  ? should_fail+0x22d/0xd01
[  366.233570]  ? zap_class+0x640/0x640
[  366.237294]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.242409]  ? __lock_acquire+0x62f/0x4c20
[  366.246665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.251785]  ? should_fail+0x22d/0xd01
[  366.255709]  ? mark_held_locks+0x130/0x130
[  366.259969]  ? mark_held_locks+0x130/0x130
[  366.264209]  ? lock_downgrade+0x900/0x900
[  366.268364]  ? zap_class+0x640/0x640
[  366.272086]  ? zap_class+0x640/0x640
[  366.275819]  ? zap_class+0x640/0x640
[  366.279539]  ? do_raw_spin_unlock+0xa7/0x330
[  366.283958]  ? trace_hardirqs_on+0x310/0x310
[  366.288378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.293937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.299494]  ? check_preemption_disabled+0x48/0x280
[  366.304537]  ? __lock_is_held+0xb5/0x140
[  366.308611]  __alloc_pages_nodemask+0xad8/0xea0
[  366.313294]  ? zap_class+0x640/0x640
[  366.317021]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  366.322062]  ? find_held_lock+0x36/0x1c0
[  366.326141]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.330819]  ? lock_downgrade+0x900/0x900
[  366.334985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.340540]  cache_grow_begin+0xa5/0x8c0
[  366.344606]  ? do_raw_spin_unlock+0xa7/0x330
[  366.349028]  fallback_alloc+0x204/0x2e0
[  366.353028]  ____cache_alloc_node+0x1c7/0x1e0
[  366.357541]  kmem_cache_alloc_node+0xe3/0x730
[  366.362068]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.366682]  __alloc_skb+0x119/0x770
[  366.370402]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  366.375784]  ? netdev_alloc_frag+0x1f0/0x1f0
[  366.380213]  ? vprintk_default+0x28/0x30
[  366.384282]  ? vprintk_func+0x85/0x181
[  366.388180]  ? printk+0xa7/0xcf
[  366.391476]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  366.396249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.401803]  new_skb+0x26/0x1c0
[  366.405092]  aoecmd_cfg+0x279/0x7f0
[  366.408742]  ? find_held_lock+0x36/0x1c0
[  366.412818]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  366.417176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.422766]  ? __lock_is_held+0xb5/0x140
[  366.426846]  discover_timer+0x50/0x60
[  366.430671]  call_timer_fn+0x272/0x920
[  366.434568]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.439419]  ? process_timeout+0x40/0x40
[  366.443502]  ? mark_held_locks+0xc7/0x130
[  366.447668]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.452171]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.456691]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.461553]  ? lockdep_hardirqs_on+0x296/0x5b0
[  366.466142]  ? trace_hardirqs_on+0xbd/0x310
[  366.470472]  ? kasan_check_read+0x11/0x20
[  366.474627]  ? __run_timers+0x7da/0xc70
[  366.478621]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.483758]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  366.488610]  __run_timers+0x7e5/0xc70
[  366.492432]  ? timer_fixup_init+0x70/0x70
[  366.496594]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  366.501626]  ? zap_class+0x640/0x640
[  366.505364]  ? print_usage_bug+0xc0/0xc0
[  366.509445]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  366.514653]  ? find_held_lock+0x36/0x1c0
[  366.518754]  ? zap_class+0x640/0x640
[  366.522483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.528038]  ? check_preemption_disabled+0x48/0x280
[  366.533073]  ? __lock_is_held+0xb5/0x140
[  366.537150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.542727]  ? check_preemption_disabled+0x48/0x280
[  366.547780]  run_timer_softirq+0x52/0xb0
[  366.551849]  ? rcu_read_lock_sched_held+0x14f/0x180
[  366.556881]  __do_softirq+0x308/0xb7e
[  366.560705]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  366.565208]  ? lock_downgrade+0x900/0x900
[  366.569368]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  366.574497]  ? pvclock_read_flags+0x160/0x160
[  366.579004]  ? lapic_next_event+0x5a/0x90
[  366.583162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.588730]  ? kvm_clock_read+0x18/0x30
[  366.592711]  ? kvm_sched_clock_read+0x9/0x20
[  366.597129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.602707]  ? check_preemption_disabled+0x48/0x280
[  366.607748]  irq_exit+0x17f/0x1c0
[  366.611474]  smp_apic_timer_interrupt+0x1cb/0x760
[  366.616327]  ? smp_reschedule_interrupt+0x109/0x650
[  366.621361]  ? smp_call_function_single_interrupt+0x650/0x650
[  366.627263]  ? interrupt_entry+0xb5/0xc0
[  366.631334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.636358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.641388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.646243]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.651281]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.656307]  ? task_prio+0x50/0x50
[  366.659858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.665408]  ? check_preemption_disabled+0x48/0x280
[  366.670445]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.675307]  apic_timer_interrupt+0xf/0x20
[  366.679540]  </IRQ>
[  366.681790] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  366.686485] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  366.705411] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  366.713148] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  366.720428] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  366.727727] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  366.735031] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  366.742316] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  366.749635]  ? mark_held_locks+0x130/0x130
[  366.753893]  ? kernfs_notify_workfn+0xf0/0x440
[  366.758498]  ? mark_held_locks+0x130/0x130
[  366.762753]  ? set_next_entity+0x493/0xc70
[  366.767015]  ? mutex_trylock+0x2b0/0x2b0
[  366.771100]  ? update_load_avg+0x2470/0x2470
[  366.775528]  ? zap_class+0x640/0x640
[  366.779257]  ? zap_class+0x640/0x640
[  366.782983]  ? print_usage_bug+0xc0/0xc0
[  366.787297]  ? find_held_lock+0x36/0x1c0
[  366.791404]  ? mark_held_locks+0xc7/0x130
[  366.795565]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.800067]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.804578]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.809178]  ? trace_hardirqs_on+0xbd/0x310
[  366.813506]  ? kasan_check_read+0x11/0x20
[  366.817669]  ? kernfs_notify_workfn+0xe2/0x440
[  366.822268]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.827405]  mutex_lock_nested+0x16/0x20
[  366.831487]  ? _raw_spin_unlock_irq+0x60/0x80
[  366.836008]  ? mutex_lock_nested+0x16/0x20
[  366.840257]  kernfs_notify_workfn+0xf0/0x440
[  366.844697]  process_one_work+0xc90/0x1c40
[  366.848964]  ? mark_held_locks+0x130/0x130
[  366.853223]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  366.857903]  ? __switch_to_asm+0x40/0x70
[  366.861975]  ? __switch_to_asm+0x34/0x70
[  366.866041]  ? __switch_to_asm+0x40/0x70
[  366.870107]  ? __switch_to_asm+0x34/0x70
[  366.874174]  ? __switch_to_asm+0x40/0x70
[  366.878241]  ? __switch_to_asm+0x34/0x70
[  366.882306]  ? __switch_to_asm+0x40/0x70
[  366.886371]  ? __switch_to_asm+0x34/0x70
[  366.890436]  ? __switch_to_asm+0x40/0x70
[  366.894527]  ? __schedule+0x8d7/0x21d0
[  366.898444]  ? lock_downgrade+0x900/0x900
[  366.902613]  ? zap_class+0x640/0x640
[  366.906336]  ? zap_class+0x640/0x640
[  366.910064]  ? find_held_lock+0x36/0x1c0
[  366.914140]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.918749]  ? lock_acquire+0x1ed/0x520
[  366.922734]  ? worker_thread+0x3e0/0x1390
[  366.926898]  ? kasan_check_read+0x11/0x20
[  366.931076]  ? do_raw_spin_lock+0x14f/0x350
[  366.935406]  ? kasan_check_read+0x11/0x20
[  366.939566]  ? rwlock_bug.part.2+0x90/0x90
[  366.943808]  ? trace_hardirqs_on+0x310/0x310
[  366.948242]  worker_thread+0x17f/0x1390
[  366.952233]  ? __switch_to_asm+0x34/0x70
[  366.956318]  ? process_one_work+0x1c40/0x1c40
[  366.960840]  ? zap_class+0x640/0x640
[  366.964591]  ? __kthread_parkme+0xce/0x1a0
[  366.968845]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.973962]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  366.979078]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.983677]  ? trace_hardirqs_on+0xbd/0x310
[  366.988016]  ? kasan_check_read+0x11/0x20
[  366.992178]  ? __kthread_parkme+0xce/0x1a0
[  366.996421]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.001542]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.006673]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  367.011810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.017373]  ? __kthread_parkme+0xfb/0x1a0
[  367.021636]  ? process_one_work+0x1c40/0x1c40
[  367.026147]  kthread+0x35a/0x440
[  367.029519]  ? kthread_stop+0x900/0x900
[  367.033508]  ret_from_fork+0x3a/0x50
[  367.037243] warn_alloc_show_mem: 1 callbacks suppressed
[  367.037255] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  367.037257] Mem-Info:
[  367.037289] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  367.037289]  active_file:9 inactive_file:10 isolated_file:8
[  367.037289]  unevictable:0 dirty:0 writeback:0 unstable:0
[  367.037289]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  367.037289]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  367.037289]  free:13786 free_pcp:282 free_cma:0
[  367.042638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.049700] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  367.052114] Call Trace:
[  367.085080] 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
[  367.094445]  <IRQ>
[  367.122282] lowmem_reserve[]: 0 2818 6321 6321
[  367.124892]  dump_stack+0x244/0x39d
[  367.150990] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  367.153175]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.157721] lowmem_reserve[]: 0 0 3503 3503
[  367.161358]  warn_alloc.cold.116+0xb7/0x1bd
[  367.188668] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  367.193865]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.198156] lowmem_reserve[]: 0 0 0 0
[  367.202508]  ? lock_downgrade+0x900/0x900
[  367.231383] 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
[  367.236254]  ? trace_hardirqs_off+0xb8/0x310
[  367.240027] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  367.244180]  ? trace_hardirqs_off+0xb8/0x310
[  367.257708] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  367.262143]  __alloc_pages_slowpath+0x2651/0x2de0
[  367.277309] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.281739]  ? warn_alloc+0x120/0x120
[  367.296714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.301567]  ? print_usage_bug+0xc0/0xc0
[  367.310391] 4366 total pagecache pages
[  367.314198]  ? warn_alloc+0x120/0x120
[  367.322764] 0 pages in swap cache
[  367.326826]  ? warn_alloc+0x120/0x120
[  367.330697] Swap cache stats: add 0, delete 0, find 0/0
[  367.334494]  ? print_usage_bug+0xc0/0xc0
[  367.337925] Free swap  = 0kB
[  367.341763]  ? print_usage_bug+0xc0/0xc0
[  367.347103] Total swap = 0kB
[  367.351166]  ? __lock_acquire+0x62f/0x4c20
[  367.354159] 1965979 pages RAM
[  367.358223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.361213] 0 pages HighMem/MovableOnly
[  367.365459]  ? should_fail+0x22d/0xd01
[  367.368556] 342854 pages reserved
[  367.374102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.378053] 0 pages cma reserved
[  367.381946]  ? __lock_acquire+0x62f/0x4c20
[  367.385435] aoe: skb alloc failure
[  367.390498]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.390514]  ? __lock_acquire+0x62f/0x4c20
[  367.390531]  ? should_fail+0x22d/0xd01
[  367.393916] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.398120]  ? find_held_lock+0x36/0x1c0
[  367.401636] kworker/0:2 cpuset=/ mems_allowed=0
[  367.406753]  ? mark_held_locks+0x130/0x130
[  367.438124]  ? mark_held_locks+0x130/0x130
[  367.442369]  ? zap_class+0x640/0x640
[  367.446092]  ? zap_class+0x640/0x640
[  367.449817]  ? print_usage_bug+0xc0/0xc0
[  367.453889]  ? do_raw_spin_unlock+0xa7/0x330
[  367.458308]  ? zap_class+0x640/0x640
[  367.462032]  ? print_usage_bug+0xc0/0xc0
[  367.466100]  ? wq_watchdog_touch+0x9c/0xfe
[  367.470347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.475907]  ? check_preemption_disabled+0x48/0x280
[  367.480949]  ? __lock_is_held+0xb5/0x140
[  367.485030]  __alloc_pages_nodemask+0xad8/0xea0
[  367.489710]  ? zap_class+0x640/0x640
[  367.493445]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  367.498486]  ? find_held_lock+0x36/0x1c0
[  367.502564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.507243]  ? lock_downgrade+0x900/0x900
[  367.511408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.516971]  cache_grow_begin+0xa5/0x8c0
[  367.521048]  ? do_raw_spin_unlock+0xa7/0x330
[  367.525472]  fallback_alloc+0x204/0x2e0
[  367.529462]  ____cache_alloc_node+0x1c7/0x1e0
[  367.533973]  kmem_cache_alloc_node+0xe3/0x730
[  367.538479]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.542733]  __alloc_skb+0x119/0x770
[  367.546458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.551771]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.556204]  ? lock_downgrade+0x900/0x900
[  367.560368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.565921]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.571392]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.576861]  ? addrconf_rs_timer+0x690/0x690
[  367.581292]  ndisc_alloc_skb+0x144/0x340
[  367.585372]  ndisc_send_rs+0x331/0x6e0
[  367.589365]  addrconf_rs_timer+0x314/0x690
[  367.593616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.597871]  call_timer_fn+0x272/0x920
[  367.601780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.606052]  ? process_timeout+0x40/0x40
[  367.610148]  ? mark_held_locks+0xc7/0x130
[  367.614311]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.618813]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.623315]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.627561]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.632174]  ? trace_hardirqs_on+0xbd/0x310
[  367.636507]  ? kasan_check_read+0x11/0x20
[  367.640671]  ? __run_timers+0x7da/0xc70
[  367.644667]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.649789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.654040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.658280]  __run_timers+0x7e5/0xc70
[  367.662103]  ? timer_fixup_init+0x70/0x70
[  367.666258]  ? kasan_check_read+0x11/0x20
[  367.670423]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.675718]  ? rcu_softirq_qs+0x20/0x20
[  367.679707]  ? mark_held_locks+0xc7/0x130
[  367.683867]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.688642]  ? retint_kernel+0x2d/0x2d
[  367.692556]  ? trace_hardirqs_on_caller+0xc0/0x310
[  367.697502]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.702274]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.707748]  ? zap_class+0x640/0x640
[  367.711484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.717040]  ? check_preemption_disabled+0x48/0x280
[  367.722097]  ? __lock_is_held+0xb5/0x140
[  367.726185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.731743]  ? check_preemption_disabled+0x48/0x280
[  367.736780]  run_timer_softirq+0x52/0xb0
[  367.740859]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.746362]  __do_softirq+0x308/0xb7e
[  367.750175]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.754690]  ? lock_downgrade+0x900/0x900
[  367.758854]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.763986]  ? pvclock_read_flags+0x160/0x160
[  367.769101]  ? lapic_next_event+0x5a/0x90
[  367.773260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.778812]  ? kvm_clock_read+0x18/0x30
[  367.782791]  ? kvm_sched_clock_read+0x9/0x20
[  367.787210]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.792759]  ? check_preemption_disabled+0x48/0x280
[  367.797796]  irq_exit+0x17f/0x1c0
[  367.801263]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.806123]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.812032]  ? interrupt_entry+0xb5/0xc0
[  367.816114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.821144]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.826177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.831031]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.836059]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.841094]  ? task_prio+0x50/0x50
[  367.844650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.850217]  ? check_preemption_disabled+0x48/0x280
[  367.855258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.860124]  apic_timer_interrupt+0xf/0x20
[  367.864362]  </IRQ>
[  367.866609] RIP: 0010:dump_stack+0x358/0x39d
[  367.871030] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  367.889946] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  367.897683] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  367.904967] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  367.912252] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  367.919533] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  367.926816] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  367.934122]  ? dump_stack+0x34f/0x39d
[  367.937948]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.943157]  ? mark_held_locks+0x130/0x130
[  367.947404]  ? mark_held_locks+0x130/0x130
[  367.951654]  dump_header+0x27b/0xf72
[  367.955404]  ? pagefault_out_of_memory+0x197/0x197
[  367.960356]  ? __lock_acquire+0x62f/0x4c20
[  367.964602]  ? percpu_ref_get_many+0x240/0x240
[  367.969197]  ? print_usage_bug+0xc0/0xc0
[  367.973277]  ? zap_class+0x640/0x640
[  367.977035]  ? print_usage_bug+0xc0/0xc0
[  367.981101]  ? print_usage_bug+0xc0/0xc0
[  367.985177]  ? zap_class+0x640/0x640
[  367.988904]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.994465]  ? find_held_lock+0x36/0x1c0
[  367.998557]  ? mark_held_locks+0xc7/0x130
[  368.002719]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.007835]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.012951]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.017545]  ? trace_hardirqs_on+0xbd/0x310
[  368.021875]  ? kasan_check_read+0x11/0x20
[  368.026030]  ? ___ratelimit+0x3b4/0x672
[  368.030011]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.035134]  ? trace_hardirqs_on+0x310/0x310
[  368.039555]  ? lock_downgrade+0x900/0x900
[  368.043718]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.048833]  ? ___ratelimit+0x3b9/0x672
[  368.052833]  ? idr_get_free+0xf70/0xf70
[  368.056817]  ? find_held_lock+0x36/0x1c0
[  368.060893]  oom_kill_process.cold.27+0x10/0x903
[  368.065681]  ? zap_class+0x640/0x640
[  368.069406]  ? check_preemption_disabled+0x48/0x280
[  368.074462]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.079399]  ? kasan_check_read+0x11/0x20
[  368.083558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.088859]  ? oom_evaluate_task+0x540/0x540
[  368.093292]  ? find_held_lock+0x36/0x1c0
[  368.097369]  ? out_of_memory+0x974/0x1430
[  368.101535]  ? lock_downgrade+0x900/0x900
[  368.105705]  ? check_preemption_disabled+0x48/0x280
[  368.110743]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.115697]  ? kasan_check_read+0x11/0x20
[  368.119853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.125140]  ? rcu_softirq_qs+0x20/0x20
[  368.129129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.134711]  ? oom_evaluate_task+0x302/0x540
[  368.139134]  out_of_memory+0xa84/0x1430
[  368.143127]  ? oom_killer_disable+0x3a0/0x3a0
[  368.147649]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  368.152621]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.157687]  __alloc_pages_slowpath+0x232c/0x2de0
[  368.162561]  ? warn_alloc+0x120/0x120
[  368.166385]  ? mark_held_locks+0x130/0x130
[  368.170635]  ? find_get_entry+0xaae/0x1120
[  368.174913]  ? filemap_map_pages+0x1a20/0x1a20
[  368.179508]  ? zap_class+0x640/0x640
[  368.183233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.188779]  ? check_preemption_disabled+0x48/0x280
[  368.193808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.199368]  ? should_fail+0x22d/0xd01
[  368.203277]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.208407]  ? zap_class+0x640/0x640
[  368.212162]  ? __lock_is_held+0xb5/0x140
[  368.216237]  ? mark_held_locks+0x130/0x130
[  368.220490]  ? lock_release+0xa00/0xa00
[  368.224471]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.229933]  ? xa_load+0x2ba/0x460
[  368.233492]  ? lock_downgrade+0x900/0x900
[  368.237647]  ? __might_sleep+0x95/0x190
[  368.241648]  __alloc_pages_nodemask+0xad8/0xea0
[  368.246342]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  368.251380]  ? __page_cache_alloc+0x191/0x5c0
[  368.255881]  ? xa_load+0x2e1/0x460
[  368.259439]  ? xa_clear_mark+0x40/0x40
[  368.263347]  ? zap_class+0x640/0x640
[  368.267075]  ? zap_class+0x640/0x640
[  368.270797]  ? zap_class+0x640/0x640
[  368.274533]  ? __do_page_cache_readahead+0x663/0x810
[  368.279650]  ? find_held_lock+0x36/0x1c0
[  368.283732]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  368.289300]  alloc_pages_current+0x173/0x350
[  368.293726]  __page_cache_alloc+0x38c/0x5c0
[  368.298059]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.302996]  ? kasan_check_read+0x11/0x20
[  368.307167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.312474]  ? generic_perform_write+0x6a0/0x6a0
[  368.317251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.322816]  ? check_preemption_disabled+0x48/0x280
[  368.327873]  filemap_fault+0x1595/0x25f0
[  368.331975]  ? __lock_page_or_retry+0xa00/0xa00
[  368.336667]  ? mark_held_locks+0x130/0x130
[  368.340946]  ? filemap_map_pages+0xd6b/0x1a20
[  368.345474]  ? lock_downgrade+0x900/0x900
[  368.349640]  ? check_preemption_disabled+0x48/0x280
[  368.354691]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.359670]  ? kasan_check_read+0x11/0x20
[  368.363831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.369126]  ? rcu_softirq_qs+0x20/0x20
[  368.373123]  ? filemap_map_pages+0xd92/0x1a20
[  368.377649]  ? find_get_entries_tag+0x1400/0x1400
[  368.382531]  ? debug_object_destroy+0x2b0/0x2b0
[  368.387215]  ? lock_pi_update_atomic+0x150/0x150
[  368.391987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.397553]  ? lock_acquire+0x1ed/0x520
[  368.401535]  ? ext4_filemap_fault+0x7a/0xad
[  368.405876]  ? lock_release+0xa00/0xa00
[  368.409859]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.415351]  ? print_usage_bug+0xc0/0xc0
[  368.419429]  ? print_usage_bug+0xc0/0xc0
[  368.423517]  ? down_read+0x8d/0x120
[  368.427151]  ? ext4_filemap_fault+0x7a/0xad
[  368.431492]  ? __down_interruptible+0x700/0x700
[  368.436183]  ext4_filemap_fault+0x82/0xad
[  368.440368]  __do_fault+0x100/0x6b0
[  368.444010]  ? pmd_devmap_trans_unstable+0x220/0x220
[  368.449133]  ? mark_held_locks+0x130/0x130
[  368.453385]  ? mark_held_locks+0x130/0x130
[  368.457635]  ? __might_fault+0x12b/0x1e0
[  368.461726]  ? lock_downgrade+0x900/0x900
[  368.465891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.471459]  __handle_mm_fault+0x3ea0/0x5be0
[  368.475889]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  368.480747]  ? _copy_to_user+0xc8/0x110
[  368.484745]  ? zap_class+0x640/0x640
[  368.488468]  ? zap_class+0x640/0x640
[  368.492186]  ? __x64_sys_futex+0x53e/0x6a0
[  368.496436]  ? find_held_lock+0x36/0x1c0
[  368.500527]  ? handle_mm_fault+0x42a/0xc70
[  368.504769]  ? lock_downgrade+0x900/0x900
[  368.508942]  ? check_preemption_disabled+0x48/0x280
[  368.513976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.518935]  ? kasan_check_read+0x11/0x20
[  368.523096]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.528388]  ? rcu_softirq_qs+0x20/0x20
[  368.532376]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.537507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.543059]  ? check_preemption_disabled+0x48/0x280
[  368.548101]  handle_mm_fault+0x54f/0xc70
[  368.552176]  ? __handle_mm_fault+0x5be0/0x5be0
[  368.556773]  ? find_vma+0x34/0x190
[  368.560326]  __do_page_fault+0x5e8/0xe60
[  368.564397]  ? trace_hardirqs_off+0xb8/0x310
[  368.568817]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.574381]  do_page_fault+0xf2/0x7e0
[  368.578192]  ? vmalloc_sync_all+0x30/0x30
[  368.582352]  ? error_entry+0x70/0xd0
[  368.586077]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.591107]  ? trace_hardirqs_on_caller+0xc0/0x310
[  368.596048]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.600988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.605844]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.611183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.616652]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  368.621699]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.626732]  ? page_fault+0x8/0x30
[  368.630288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.635148]  ? page_fault+0x8/0x30
[  368.638707]  page_fault+0x1e/0x30
[  368.642170] RIP: 0033:0x45ddf3
[  368.645380] Code: Bad RIP value.
[  368.648748] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  368.654122] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  368.661407] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  368.668708] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  368.676000] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  368.683290] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  368.690611] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  368.690703] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  368.697735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  368.697756] Workqueue: events kernfs_notify_workfn
[  368.704387] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  368.713596] Call Trace:
[  368.718517] syz-fuzzer cpuset=/ mems_allowed=0
[  368.728774]  <IRQ>
[  368.738102]  dump_stack+0x244/0x39d
[  368.741754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  368.746987]  warn_alloc.cold.116+0xb7/0x1bd
[  368.751337]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  368.756197]  ? lock_downgrade+0x900/0x900
[  368.760369]  ? trace_hardirqs_off+0xb8/0x310
[  368.764802]  ? trace_hardirqs_off+0xb8/0x310
[  368.769237]  __alloc_pages_slowpath+0x2651/0x2de0
[  368.774118]  ? warn_alloc+0x120/0x120
[  368.777938]  ? warn_alloc+0x120/0x120
[  368.781751]  ? __lock_acquire+0x62f/0x4c20
[  368.785997]  ? warn_alloc+0x120/0x120
[  368.789810]  ? print_usage_bug+0xc0/0xc0
[  368.793884]  ? print_usage_bug+0xc0/0xc0
[  368.797963]  ? mark_held_locks+0x130/0x130
[  368.802214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.807768]  ? should_fail+0x22d/0xd01
[  368.811672]  ? zap_class+0x640/0x640
[  368.815404]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.820520]  ? __lock_acquire+0x62f/0x4c20
[  368.824782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.829898]  ? should_fail+0x22d/0xd01
[  368.833811]  ? mark_held_locks+0x130/0x130
[  368.838062]  ? mark_held_locks+0x130/0x130
[  368.842305]  ? lock_downgrade+0x900/0x900
[  368.846465]  ? zap_class+0x640/0x640
[  368.850187]  ? zap_class+0x640/0x640
[  368.853924]  ? zap_class+0x640/0x640
[  368.857644]  ? do_raw_spin_unlock+0xa7/0x330
[  368.862083]  ? trace_hardirqs_on+0x310/0x310
[  368.866503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.872063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.877620]  ? check_preemption_disabled+0x48/0x280
[  368.882677]  ? __lock_is_held+0xb5/0x140
[  368.886762]  __alloc_pages_nodemask+0xad8/0xea0
[  368.891443]  ? zap_class+0x640/0x640
[  368.895175]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  368.900229]  ? find_held_lock+0x36/0x1c0
[  368.904310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  368.908995]  ? lock_downgrade+0x900/0x900
[  368.913162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.918719]  cache_grow_begin+0xa5/0x8c0
[  368.922792]  ? do_raw_spin_unlock+0xa7/0x330
[  368.927221]  fallback_alloc+0x204/0x2e0
[  368.931212]  ____cache_alloc_node+0x1c7/0x1e0
[  368.935728]  kmem_cache_alloc_node+0xe3/0x730
[  368.940234]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.944835]  __alloc_skb+0x119/0x770
[  368.948563]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  368.953958]  ? netdev_alloc_frag+0x1f0/0x1f0
[  368.958385]  ? vprintk_default+0x28/0x30
[  368.962454]  ? vprintk_func+0x85/0x181
[  368.966355]  ? printk+0xa7/0xcf
[  368.969639]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  368.974419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.979997]  new_skb+0x26/0x1c0
[  368.983286]  aoecmd_cfg+0x279/0x7f0
[  368.986927]  ? find_held_lock+0x36/0x1c0
[  368.991004]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  368.995339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.000899]  ? __lock_is_held+0xb5/0x140
[  369.004990]  discover_timer+0x50/0x60
[  369.008802]  call_timer_fn+0x272/0x920
[  369.012704]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.017558]  ? process_timeout+0x40/0x40
[  369.021642]  ? mark_held_locks+0xc7/0x130
[  369.025809]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.030310]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.034810]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.039668]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.044263]  ? trace_hardirqs_on+0xbd/0x310
[  369.048592]  ? kasan_check_read+0x11/0x20
[  369.052750]  ? __run_timers+0x7da/0xc70
[  369.056732]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.061859]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  369.066711]  __run_timers+0x7e5/0xc70
[  369.070526]  ? timer_fixup_init+0x70/0x70
[  369.074692]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.079718]  ? zap_class+0x640/0x640
[  369.083442]  ? print_usage_bug+0xc0/0xc0
[  369.087527]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.092738]  ? find_held_lock+0x36/0x1c0
[  369.096813]  ? zap_class+0x640/0x640
[  369.100544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.106103]  ? check_preemption_disabled+0x48/0x280
[  369.111143]  ? __lock_is_held+0xb5/0x140
[  369.115224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.120796]  ? check_preemption_disabled+0x48/0x280
[  369.125838]  run_timer_softirq+0x52/0xb0
[  369.129905]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.134942]  __do_softirq+0x308/0xb7e
[  369.138754]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.143313]  ? lock_downgrade+0x900/0x900
[  369.147489]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.152615]  ? pvclock_read_flags+0x160/0x160
[  369.157122]  ? lapic_next_event+0x5a/0x90
[  369.161282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.166838]  ? kvm_clock_read+0x18/0x30
[  369.170818]  ? kvm_sched_clock_read+0x9/0x20
[  369.175239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.180787]  ? check_preemption_disabled+0x48/0x280
[  369.185828]  irq_exit+0x17f/0x1c0
[  369.189289]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.194142]  ? smp_reschedule_interrupt+0x109/0x650
[  369.199168]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.205068]  ? interrupt_entry+0xb5/0xc0
[  369.209143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.214169]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.219198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.224066]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.229104]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.234137]  ? task_prio+0x50/0x50
[  369.237695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.243240]  ? check_preemption_disabled+0x48/0x280
[  369.248269]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.253154]  apic_timer_interrupt+0xf/0x20
[  369.257381]  </IRQ>
[  369.259644] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  369.264338] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  369.283257] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  369.290978] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  369.298255] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  369.305552] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  369.312832] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  369.320108] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  369.327422]  ? mark_held_locks+0x130/0x130
[  369.331693]  ? kernfs_notify_workfn+0xf0/0x440
[  369.336286]  ? mark_held_locks+0x130/0x130
[  369.340544]  ? set_next_entity+0x493/0xc70
[  369.344833]  ? mutex_trylock+0x2b0/0x2b0
[  369.348897]  ? update_load_avg+0x2470/0x2470
[  369.353335]  ? zap_class+0x640/0x640
[  369.357075]  ? zap_class+0x640/0x640
[  369.360802]  ? print_usage_bug+0xc0/0xc0
[  369.364883]  ? find_held_lock+0x36/0x1c0
[  369.368962]  ? mark_held_locks+0xc7/0x130
[  369.373119]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.377624]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.382137]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.386748]  ? trace_hardirqs_on+0xbd/0x310
[  369.391074]  ? kasan_check_read+0x11/0x20
[  369.395239]  ? kernfs_notify_workfn+0xe2/0x440
[  369.399836]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.404973]  mutex_lock_nested+0x16/0x20
[  369.409041]  ? _raw_spin_unlock_irq+0x60/0x80
[  369.413542]  ? mutex_lock_nested+0x16/0x20
[  369.417785]  kernfs_notify_workfn+0xf0/0x440
[  369.422214]  process_one_work+0xc90/0x1c40
[  369.426461]  ? mark_held_locks+0x130/0x130
[  369.430712]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  369.435392]  ? __switch_to_asm+0x40/0x70
[  369.439468]  ? __switch_to_asm+0x34/0x70
[  369.443549]  ? __switch_to_asm+0x40/0x70
[  369.447615]  ? __switch_to_asm+0x34/0x70
[  369.451687]  ? __switch_to_asm+0x40/0x70
[  369.455754]  ? __switch_to_asm+0x34/0x70
[  369.459823]  ? __switch_to_asm+0x40/0x70
[  369.463886]  ? __switch_to_asm+0x34/0x70
[  369.467964]  ? __switch_to_asm+0x40/0x70
[  369.472063]  ? __schedule+0x8d7/0x21d0
[  369.475967]  ? lock_downgrade+0x900/0x900
[  369.480140]  ? zap_class+0x640/0x640
[  369.483871]  ? zap_class+0x640/0x640
[  369.487597]  ? find_held_lock+0x36/0x1c0
[  369.491680]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.496288]  ? lock_acquire+0x1ed/0x520
[  369.500266]  ? worker_thread+0x3e0/0x1390
[  369.504443]  ? kasan_check_read+0x11/0x20
[  369.508596]  ? do_raw_spin_lock+0x14f/0x350
[  369.512930]  ? kasan_check_read+0x11/0x20
[  369.517092]  ? rwlock_bug.part.2+0x90/0x90
[  369.521336]  ? trace_hardirqs_on+0x310/0x310
[  369.525771]  worker_thread+0x17f/0x1390
[  369.529749]  ? __switch_to_asm+0x34/0x70
[  369.533834]  ? process_one_work+0x1c40/0x1c40
[  369.538346]  ? zap_class+0x640/0x640
[  369.542097]  ? __kthread_parkme+0xce/0x1a0
[  369.546343]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  369.551457]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  369.556573]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  369.561175]  ? trace_hardirqs_on+0xbd/0x310
[  369.565509]  ? kasan_check_read+0x11/0x20
[  369.569677]  ? __kthread_parkme+0xce/0x1a0
[  369.573930]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.579052]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.584179]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  369.589294]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.594843]  ? __kthread_parkme+0xfb/0x1a0
[  369.599087]  ? process_one_work+0x1c40/0x1c40
[  369.603598]  kthread+0x35a/0x440
[  369.606975]  ? kthread_stop+0x900/0x900
[  369.610964]  ret_from_fork+0x3a/0x50
[  369.614701] warn_alloc_show_mem: 1 callbacks suppressed
[  369.614713] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  369.614715] Mem-Info:
[  369.614746] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  369.614746]  active_file:9 inactive_file:10 isolated_file:8
[  369.614746]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.614746]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  369.614746]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  369.614746]  free:13786 free_pcp:282 free_cma:0
[  369.620096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.620106] Call Trace:
[  369.627141] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.629546]  <IRQ>
[  369.662530] 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
[  369.671908]  dump_stack+0x244/0x39d
[  369.674473] lowmem_reserve[]: 0 2818 6321 6321
[  369.702337]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.704462] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  369.730588]  warn_alloc.cold.116+0xb7/0x1bd
[  369.734190] lowmem_reserve[]: 0 0 3503 3503
[  369.738781]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.744216] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  369.771562]  ? lock_downgrade+0x900/0x900
[  369.775860] lowmem_reserve[]: 0 0 0 0
[  369.780193]  ? trace_hardirqs_off+0xb8/0x310
[  369.785014] 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
[  369.813923]  ? trace_hardirqs_off+0xb8/0x310
[  369.818057] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  369.821865]  __alloc_pages_slowpath+0x2651/0x2de0
[  369.826246] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  369.839809]  ? warn_alloc+0x120/0x120
[  369.844186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.859371]  ? print_usage_bug+0xc0/0xc0
[  369.864196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.879209]  ? warn_alloc+0x120/0x120
[  369.882989] 4366 total pagecache pages
[  369.891844]  ? warn_alloc+0x120/0x120
[  369.895892] 0 pages in swap cache
[  369.904479]  ? print_usage_bug+0xc0/0xc0
[  369.908260] Swap cache stats: add 0, delete 0, find 0/0
[  369.912146]  ? kvm_clock_read+0x18/0x30
[  369.915927] Free swap  = 0kB
[  369.919386]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.923426] Total swap = 0kB
[  369.928797]  ? print_usage_bug+0xc0/0xc0
[  369.932749] 1965979 pages RAM
[  369.935770]  ? __lock_acquire+0x62f/0x4c20
[  369.940756] 0 pages HighMem/MovableOnly
[  369.940766] 342854 pages reserved
[  369.943811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.947840] 0 pages cma reserved
[  369.950951]  ? should_fail+0x22d/0xd01
[  369.955221] aoe: skb alloc failure
[  369.959146]  ? __lock_acquire+0x62f/0x4c20
[  369.962653] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.968120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.971460] kworker/0:2 cpuset=/ mems_allowed=0
[  369.975367]  ? __lock_acquire+0x62f/0x4c20
[  370.007442]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.012571]  ? __lock_acquire+0x62f/0x4c20
[  370.016810]  ? should_fail+0x22d/0xd01
[  370.020728]  ? mark_held_locks+0x130/0x130
[  370.024975]  ? mark_held_locks+0x130/0x130
[  370.029223]  ? mark_held_locks+0xc7/0x130
[  370.033388]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  370.038423]  ? zap_class+0x640/0x640
[  370.042142]  ? print_usage_bug+0xc0/0xc0
[  370.046214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.051769]  ? check_preemption_disabled+0x48/0x280
[  370.056810]  ? __lock_is_held+0xb5/0x140
[  370.060891]  __alloc_pages_nodemask+0xad8/0xea0
[  370.065570]  ? zap_class+0x640/0x640
[  370.069298]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  370.074333]  ? find_held_lock+0x36/0x1c0
[  370.078409]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.083103]  ? lock_downgrade+0x900/0x900
[  370.087281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.092834]  cache_grow_begin+0xa5/0x8c0
[  370.096915]  ? do_raw_spin_unlock+0xa7/0x330
[  370.101345]  fallback_alloc+0x204/0x2e0
[  370.105362]  ____cache_alloc_node+0x1c7/0x1e0
[  370.109870]  kmem_cache_alloc_node+0xe3/0x730
[  370.114376]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.118630]  __alloc_skb+0x119/0x770
[  370.122368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.127677]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.132102]  ? lock_downgrade+0x900/0x900
[  370.136268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.141816]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.147282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.152748]  ? addrconf_rs_timer+0x690/0x690
[  370.157180]  ndisc_alloc_skb+0x144/0x340
[  370.161255]  ndisc_send_rs+0x331/0x6e0
[  370.165155]  addrconf_rs_timer+0x314/0x690
[  370.169402]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.173664]  call_timer_fn+0x272/0x920
[  370.177564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.181814]  ? process_timeout+0x40/0x40
[  370.185895]  ? mark_held_locks+0xc7/0x130
[  370.190055]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.194561]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.199067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.203322]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.207913]  ? trace_hardirqs_on+0xbd/0x310
[  370.212250]  ? kasan_check_read+0x11/0x20
[  370.216441]  ? __run_timers+0x7da/0xc70
[  370.220430]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.225565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.229811]  __run_timers+0x7e5/0xc70
[  370.233636]  ? timer_fixup_init+0x70/0x70
[  370.237800]  ? kasan_check_read+0x11/0x20
[  370.241971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.247256]  ? rcu_softirq_qs+0x20/0x20
[  370.251242]  ? mark_held_locks+0xc7/0x130
[  370.255401]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.260175]  ? retint_kernel+0x2d/0x2d
[  370.264085]  ? trace_hardirqs_on_caller+0xc0/0x310
[  370.269026]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.273794]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.279257]  ? zap_class+0x640/0x640
[  370.282984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.288535]  ? check_preemption_disabled+0x48/0x280
[  370.293573]  ? __lock_is_held+0xb5/0x140
[  370.297648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.303208]  ? check_preemption_disabled+0x48/0x280
[  370.308241]  run_timer_softirq+0x52/0xb0
[  370.312311]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.317341]  __do_softirq+0x308/0xb7e
[  370.321166]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.325675]  ? lock_downgrade+0x900/0x900
[  370.329839]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.334963]  ? pvclock_read_flags+0x160/0x160
[  370.339470]  ? lapic_next_event+0x5a/0x90
[  370.343632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.349193]  ? kvm_clock_read+0x18/0x30
[  370.353173]  ? kvm_sched_clock_read+0x9/0x20
[  370.357589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.363143]  ? check_preemption_disabled+0x48/0x280
[  370.368176]  irq_exit+0x17f/0x1c0
[  370.371648]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.376509]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.382407]  ? interrupt_entry+0xb5/0xc0
[  370.386484]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.391502]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.396539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.401397]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.406428]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.411478]  ? task_prio+0x50/0x50
[  370.415038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.420588]  ? check_preemption_disabled+0x48/0x280
[  370.425622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.430521]  apic_timer_interrupt+0xf/0x20
[  370.434755]  </IRQ>
[  370.437013] RIP: 0010:dump_stack+0x358/0x39d
[  370.441434] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  370.460354] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  370.468089] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  370.475375] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  370.482666] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  370.489964] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  370.497244] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  370.504565]  ? dump_stack+0x34f/0x39d
[  370.508385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.513612]  ? mark_held_locks+0x130/0x130
[  370.517856]  ? mark_held_locks+0x130/0x130
[  370.522107]  dump_header+0x27b/0xf72
[  370.525855]  ? pagefault_out_of_memory+0x197/0x197
[  370.530804]  ? __lock_acquire+0x62f/0x4c20
[  370.535052]  ? percpu_ref_get_many+0x240/0x240
[  370.539655]  ? print_usage_bug+0xc0/0xc0
[  370.543746]  ? zap_class+0x640/0x640
[  370.547471]  ? print_usage_bug+0xc0/0xc0
[  370.551541]  ? print_usage_bug+0xc0/0xc0
[  370.555615]  ? zap_class+0x640/0x640
[  370.559340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.564894]  ? find_held_lock+0x36/0x1c0
[  370.568985]  ? mark_held_locks+0xc7/0x130
[  370.573144]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.578257]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  370.583371]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.587966]  ? trace_hardirqs_on+0xbd/0x310
[  370.592295]  ? kasan_check_read+0x11/0x20
[  370.596455]  ? ___ratelimit+0x3b4/0x672
[  370.600445]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.605556]  ? trace_hardirqs_on+0x310/0x310
[  370.610270]  ? lock_downgrade+0x900/0x900
[  370.614440]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  370.619555]  ? ___ratelimit+0x3b9/0x672
[  370.623549]  ? idr_get_free+0xf70/0xf70
[  370.627533]  ? find_held_lock+0x36/0x1c0
[  370.631609]  oom_kill_process.cold.27+0x10/0x903
[  370.636376]  ? zap_class+0x640/0x640
[  370.640102]  ? check_preemption_disabled+0x48/0x280
[  370.645147]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.650084]  ? kasan_check_read+0x11/0x20
[  370.654239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.659542]  ? oom_evaluate_task+0x540/0x540
[  370.663966]  ? find_held_lock+0x36/0x1c0
[  370.668044]  ? out_of_memory+0x974/0x1430
[  370.672213]  ? lock_downgrade+0x900/0x900
[  370.676373]  ? check_preemption_disabled+0x48/0x280
[  370.681407]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.686354]  ? kasan_check_read+0x11/0x20
[  370.690536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.695829]  ? rcu_softirq_qs+0x20/0x20
[  370.699820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.705373]  ? oom_evaluate_task+0x302/0x540
[  370.709799]  out_of_memory+0xa84/0x1430
[  370.713794]  ? oom_killer_disable+0x3a0/0x3a0
[  370.718301]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  370.723244]  ? __ww_mutex_check_waiters+0x160/0x160
[  370.728286]  __alloc_pages_slowpath+0x232c/0x2de0
[  370.733170]  ? warn_alloc+0x120/0x120
[  370.736977]  ? mark_held_locks+0x130/0x130
[  370.741225]  ? find_get_entry+0xaae/0x1120
[  370.745479]  ? filemap_map_pages+0x1a20/0x1a20
[  370.750074]  ? zap_class+0x640/0x640
[  370.753799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.759356]  ? check_preemption_disabled+0x48/0x280
[  370.764383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.769934]  ? should_fail+0x22d/0xd01
[  370.773834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.778965]  ? zap_class+0x640/0x640
[  370.782719]  ? __lock_is_held+0xb5/0x140
[  370.786796]  ? mark_held_locks+0x130/0x130
[  370.791045]  ? lock_release+0xa00/0xa00
[  370.795050]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.800522]  ? xa_load+0x2ba/0x460
[  370.804073]  ? lock_downgrade+0x900/0x900
[  370.808234]  ? __might_sleep+0x95/0x190
[  370.812223]  __alloc_pages_nodemask+0xad8/0xea0
[  370.816913]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  370.821951]  ? __page_cache_alloc+0x191/0x5c0
[  370.826453]  ? xa_load+0x2e1/0x460
[  370.829999]  ? xa_clear_mark+0x40/0x40
[  370.833905]  ? zap_class+0x640/0x640
[  370.837633]  ? zap_class+0x640/0x640
[  370.841360]  ? zap_class+0x640/0x640
[  370.845084]  ? __do_page_cache_readahead+0x663/0x810
[  370.850216]  ? find_held_lock+0x36/0x1c0
[  370.854294]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  370.859857]  alloc_pages_current+0x173/0x350
[  370.864283]  __page_cache_alloc+0x38c/0x5c0
[  370.868613]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.873550]  ? kasan_check_read+0x11/0x20
[  370.877711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.883002]  ? generic_perform_write+0x6a0/0x6a0
[  370.887776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.893328]  ? check_preemption_disabled+0x48/0x280
[  370.898368]  filemap_fault+0x1595/0x25f0
[  370.902468]  ? __lock_page_or_retry+0xa00/0xa00
[  370.907150]  ? mark_held_locks+0x130/0x130
[  370.911411]  ? filemap_map_pages+0xd6b/0x1a20
[  370.915924]  ? lock_downgrade+0x900/0x900
[  370.920084]  ? check_preemption_disabled+0x48/0x280
[  370.925119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  370.930058]  ? kasan_check_read+0x11/0x20
[  370.934216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.939510]  ? rcu_softirq_qs+0x20/0x20
[  370.943513]  ? filemap_map_pages+0xd92/0x1a20
[  370.948035]  ? find_get_entries_tag+0x1400/0x1400
[  370.952897]  ? debug_object_destroy+0x2b0/0x2b0
[  370.957583]  ? lock_pi_update_atomic+0x150/0x150
[  370.962353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.967923]  ? lock_acquire+0x1ed/0x520
[  370.971905]  ? ext4_filemap_fault+0x7a/0xad
[  370.976242]  ? lock_release+0xa00/0xa00
[  370.980224]  ? perf_trace_sched_process_exec+0x860/0x860
[  370.985699]  ? print_usage_bug+0xc0/0xc0
[  370.989791]  ? print_usage_bug+0xc0/0xc0
[  370.993874]  ? down_read+0x8d/0x120
[  370.997508]  ? ext4_filemap_fault+0x7a/0xad
[  371.001845]  ? __down_interruptible+0x700/0x700
[  371.006538]  ext4_filemap_fault+0x82/0xad
[  371.010707]  __do_fault+0x100/0x6b0
[  371.014347]  ? pmd_devmap_trans_unstable+0x220/0x220
[  371.019507]  ? mark_held_locks+0x130/0x130
[  371.023787]  ? mark_held_locks+0x130/0x130
[  371.028032]  ? __might_fault+0x12b/0x1e0
[  371.032101]  ? lock_downgrade+0x900/0x900
[  371.036265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.041828]  __handle_mm_fault+0x3ea0/0x5be0
[  371.046252]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  371.051109]  ? _copy_to_user+0xc8/0x110
[  371.055126]  ? zap_class+0x640/0x640
[  371.058846]  ? zap_class+0x640/0x640
[  371.062564]  ? __x64_sys_futex+0x53e/0x6a0
[  371.066825]  ? find_held_lock+0x36/0x1c0
[  371.070914]  ? handle_mm_fault+0x42a/0xc70
[  371.075158]  ? lock_downgrade+0x900/0x900
[  371.079317]  ? check_preemption_disabled+0x48/0x280
[  371.084345]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.089285]  ? kasan_check_read+0x11/0x20
[  371.093446]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.098734]  ? rcu_softirq_qs+0x20/0x20
[  371.102729]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.107847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.113401]  ? check_preemption_disabled+0x48/0x280
[  371.118451]  handle_mm_fault+0x54f/0xc70
[  371.122529]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.127156]  ? find_vma+0x34/0x190
[  371.130728]  __do_page_fault+0x5e8/0xe60
[  371.134810]  ? trace_hardirqs_off+0xb8/0x310
[  371.139227]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  371.144788]  do_page_fault+0xf2/0x7e0
[  371.148615]  ? vmalloc_sync_all+0x30/0x30
[  371.152772]  ? error_entry+0x70/0xd0
[  371.156496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.161521]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.166465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.171411]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.176278]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.181307]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.186774]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  371.191804]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.196834]  ? page_fault+0x8/0x30
[  371.200384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.205246]  ? page_fault+0x8/0x30
[  371.208798]  page_fault+0x1e/0x30
[  371.212254] RIP: 0033:0x45ddf3
[  371.215462] Code: Bad RIP value.
[  371.218845] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  371.224220] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  371.231510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  371.238793] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  371.246080] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  371.253362] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  371.260687] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  371.260757] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  371.267819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.267852] Workqueue: events kernfs_notify_workfn
[  371.274471] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  371.283707] Call Trace:
[  371.288631] syz-fuzzer cpuset=/ mems_allowed=0
[  371.298867]  <IRQ>
[  371.308184]  dump_stack+0x244/0x39d
[  371.311827]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.317039]  warn_alloc.cold.116+0xb7/0x1bd
[  371.321377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.326235]  ? lock_downgrade+0x900/0x900
[  371.330394]  ? trace_hardirqs_off+0xb8/0x310
[  371.334817]  ? trace_hardirqs_off+0xb8/0x310
[  371.339242]  __alloc_pages_slowpath+0x2651/0x2de0
[  371.344122]  ? warn_alloc+0x120/0x120
[  371.347936]  ? warn_alloc+0x120/0x120
[  371.351761]  ? warn_alloc+0x120/0x120
[  371.355569]  ? print_usage_bug+0xc0/0xc0
[  371.359640]  ? print_usage_bug+0xc0/0xc0
[  371.363720]  ? ktime_get+0x2c1/0x400
[  371.367448]  ? check_preemption_disabled+0x48/0x280
[  371.372477]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.376982]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.382534]  ? should_fail+0x22d/0xd01
[  371.386428]  ? kasan_check_read+0x11/0x20
[  371.390590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.395707]  ? __lock_acquire+0x62f/0x4c20
[  371.399959]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.405070]  ? should_fail+0x22d/0xd01
[  371.408970]  ? print_usage_bug+0xc0/0xc0
[  371.413050]  ? mark_held_locks+0x130/0x130
[  371.417297]  ? mark_held_locks+0x130/0x130
[  371.421543]  ? check_preemption_disabled+0x48/0x280
[  371.426583]  ? zap_class+0x640/0x640
[  371.430305]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  371.435071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.440620]  ? check_preemption_disabled+0x48/0x280
[  371.445673]  ? __lock_is_held+0xb5/0x140
[  371.449751]  __alloc_pages_nodemask+0xad8/0xea0
[  371.454434]  ? zap_class+0x640/0x640
[  371.458166]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  371.463205]  ? find_held_lock+0x36/0x1c0
[  371.467289]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.471970]  ? lock_downgrade+0x900/0x900
[  371.476141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.481700]  cache_grow_begin+0xa5/0x8c0
[  371.485769]  ? do_raw_spin_unlock+0xa7/0x330
[  371.490203]  fallback_alloc+0x204/0x2e0
[  371.494194]  ____cache_alloc_node+0x1c7/0x1e0
[  371.498711]  kmem_cache_alloc_node+0xe3/0x730
[  371.503218]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.507817]  __alloc_skb+0x119/0x770
[  371.511560]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  371.516956]  ? netdev_alloc_frag+0x1f0/0x1f0
[  371.521397]  ? vprintk_default+0x28/0x30
[  371.525472]  ? vprintk_func+0x85/0x181
[  371.529367]  ? printk+0xa7/0xcf
[  371.532655]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  371.537432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.542984]  new_skb+0x26/0x1c0
[  371.546274]  aoecmd_cfg+0x279/0x7f0
[  371.549927]  ? find_held_lock+0x36/0x1c0
[  371.554008]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  371.558350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.563917]  ? __lock_is_held+0xb5/0x140
[  371.568005]  discover_timer+0x50/0x60
[  371.571817]  call_timer_fn+0x272/0x920
[  371.575715]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.580568]  ? process_timeout+0x40/0x40
[  371.584667]  ? mark_held_locks+0xc7/0x130
[  371.588826]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.593328]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.597844]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.602713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  371.607311]  ? trace_hardirqs_on+0xbd/0x310
[  371.611639]  ? kasan_check_read+0x11/0x20
[  371.615801]  ? __run_timers+0x7da/0xc70
[  371.619789]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.624930]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  371.629782]  __run_timers+0x7e5/0xc70
[  371.633603]  ? timer_fixup_init+0x70/0x70
[  371.637764]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.642794]  ? zap_class+0x640/0x640
[  371.646525]  ? print_usage_bug+0xc0/0xc0
[  371.650599]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  371.655808]  ? find_held_lock+0x36/0x1c0
[  371.659893]  ? zap_class+0x640/0x640
[  371.663627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.669186]  ? check_preemption_disabled+0x48/0x280
[  371.674222]  ? __lock_is_held+0xb5/0x140
[  371.678291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.683841]  ? check_preemption_disabled+0x48/0x280
[  371.688874]  run_timer_softirq+0x52/0xb0
[  371.692950]  ? rcu_read_lock_sched_held+0x14f/0x180
[  371.697993]  __do_softirq+0x308/0xb7e
[  371.701805]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  371.706318]  ? lock_downgrade+0x900/0x900
[  371.710494]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  371.715620]  ? pvclock_read_flags+0x160/0x160
[  371.720126]  ? lapic_next_event+0x5a/0x90
[  371.724294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.729847]  ? kvm_clock_read+0x18/0x30
[  371.733832]  ? kvm_sched_clock_read+0x9/0x20
[  371.738252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.744003]  ? check_preemption_disabled+0x48/0x280
[  371.749044]  irq_exit+0x17f/0x1c0
[  371.752508]  smp_apic_timer_interrupt+0x1cb/0x760
[  371.757363]  ? smp_reschedule_interrupt+0x109/0x650
[  371.762389]  ? smp_call_function_single_interrupt+0x650/0x650
[  371.768287]  ? interrupt_entry+0xb5/0xc0
[  371.772361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.777387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.782418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.787272]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.792300]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.797330]  ? task_prio+0x50/0x50
[  371.800881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.806434]  ? check_preemption_disabled+0x48/0x280
[  371.811470]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.816329]  apic_timer_interrupt+0xf/0x20
[  371.820564]  </IRQ>
[  371.822810] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  371.827487] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  371.846409] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  371.854135] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  371.861420] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  371.868718] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  371.876010] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  371.883293] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  371.890609]  ? mark_held_locks+0x130/0x130
[  371.894853]  ? kernfs_notify_workfn+0xf0/0x440
[  371.899451]  ? mark_held_locks+0x130/0x130
[  371.903704]  ? set_next_entity+0x493/0xc70
[  371.907957]  ? mutex_trylock+0x2b0/0x2b0
[  371.912026]  ? update_load_avg+0x2470/0x2470
[  371.916453]  ? zap_class+0x640/0x640
[  371.920182]  ? zap_class+0x640/0x640
[  371.923908]  ? print_usage_bug+0xc0/0xc0
[  371.927994]  ? find_held_lock+0x36/0x1c0
[  371.932071]  ? mark_held_locks+0xc7/0x130
[  371.936232]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.940749]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.945259]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.949850]  ? trace_hardirqs_on+0xbd/0x310
[  371.954180]  ? kasan_check_read+0x11/0x20
[  371.958337]  ? kernfs_notify_workfn+0xe2/0x440
[  371.962932]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.968063]  mutex_lock_nested+0x16/0x20
[  371.972130]  ? _raw_spin_unlock_irq+0x60/0x80
[  371.976639]  ? mutex_lock_nested+0x16/0x20
[  371.980891]  kernfs_notify_workfn+0xf0/0x440
[  371.985328]  process_one_work+0xc90/0x1c40
[  371.989570]  ? mark_held_locks+0x130/0x130
[  371.993830]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  371.998507]  ? __switch_to_asm+0x40/0x70
[  372.002577]  ? __switch_to_asm+0x34/0x70
[  372.006644]  ? __switch_to_asm+0x40/0x70
[  372.010729]  ? __switch_to_asm+0x34/0x70
[  372.014795]  ? __switch_to_asm+0x40/0x70
[  372.018866]  ? __switch_to_asm+0x34/0x70
[  372.022941]  ? __switch_to_asm+0x40/0x70
[  372.027007]  ? __switch_to_asm+0x34/0x70
[  372.031070]  ? __switch_to_asm+0x40/0x70
[  372.035152]  ? __schedule+0x8d7/0x21d0
[  372.039067]  ? lock_downgrade+0x900/0x900
[  372.043224]  ? zap_class+0x640/0x640
[  372.046947]  ? zap_class+0x640/0x640
[  372.050678]  ? find_held_lock+0x36/0x1c0
[  372.054766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.059375]  ? lock_acquire+0x1ed/0x520
[  372.063354]  ? worker_thread+0x3e0/0x1390
[  372.067517]  ? kasan_check_read+0x11/0x20
[  372.071677]  ? do_raw_spin_lock+0x14f/0x350
[  372.076024]  ? kasan_check_read+0x11/0x20
[  372.080182]  ? rwlock_bug.part.2+0x90/0x90
[  372.084422]  ? trace_hardirqs_on+0x310/0x310
[  372.088866]  worker_thread+0x17f/0x1390
[  372.092846]  ? __switch_to_asm+0x34/0x70
[  372.096950]  ? process_one_work+0x1c40/0x1c40
[  372.101475]  ? zap_class+0x640/0x640
[  372.105226]  ? __kthread_parkme+0xce/0x1a0
[  372.109472]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.114585]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  372.119702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.124300]  ? trace_hardirqs_on+0xbd/0x310
[  372.128631]  ? kasan_check_read+0x11/0x20
[  372.132802]  ? __kthread_parkme+0xce/0x1a0
[  372.137060]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.142178]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.147303]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  372.152420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.157975]  ? __kthread_parkme+0xfb/0x1a0
[  372.162224]  ? process_one_work+0x1c40/0x1c40
[  372.166732]  kthread+0x35a/0x440
[  372.170106]  ? kthread_stop+0x900/0x900
[  372.174091]  ret_from_fork+0x3a/0x50
[  372.177826] warn_alloc_show_mem: 1 callbacks suppressed
[  372.177838] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  372.177840] Mem-Info:
[  372.177872] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  372.177872]  active_file:9 inactive_file:10 isolated_file:8
[  372.177872]  unevictable:0 dirty:0 writeback:0 unstable:0
[  372.177872]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  372.177872]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  372.177872]  free:13786 free_pcp:282 free_cma:0
[  372.183222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.190250] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  372.192651] Call Trace:
[  372.225639] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  372.235008]  <IRQ>
[  372.262886] lowmem_reserve[]: 0 2818 6321 6321
[  372.265498]  dump_stack+0x244/0x39d
[  372.291594] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  372.293757]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.298297] lowmem_reserve[]: 0 0 3503 3503
[  372.301950]  warn_alloc.cold.116+0xb7/0x1bd
[  372.329267] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  372.334468]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.338770] lowmem_reserve[]: 0 0 0 0
[  372.343099]  ? lock_downgrade+0x900/0x900
[  372.372050] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  372.376907]  ? trace_hardirqs_off+0xb8/0x310
[  372.380685] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  372.384841]  ? trace_hardirqs_off+0xb8/0x310
[  372.398350] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  372.402773]  __alloc_pages_slowpath+0x2651/0x2de0
[  372.417938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.422367]  ? warn_alloc+0x120/0x120
[  372.437353] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.442195]  ? print_usage_bug+0xc0/0xc0
[  372.451016] 4366 total pagecache pages
[  372.454844]  ? warn_alloc+0x120/0x120
[  372.463406] 0 pages in swap cache
[  372.467487]  ? warn_alloc+0x120/0x120
[  372.471353] Swap cache stats: add 0, delete 0, find 0/0
[  372.475153]  ? print_usage_bug+0xc0/0xc0
[  372.478579] Free swap  = 0kB
[  372.482380]  ? kvm_clock_read+0x18/0x30
[  372.487721] Total swap = 0kB
[  372.491784]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.494778] 1965979 pages RAM
[  372.498758]  ? print_usage_bug+0xc0/0xc0
[  372.501759] 0 pages HighMem/MovableOnly
[  372.506793]  ? __lock_acquire+0x62f/0x4c20
[  372.509871] 342854 pages reserved
[  372.513937]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.517891] 0 pages cma reserved
[  372.522126]  ? should_fail+0x22d/0xd01
[  372.525617] aoe: skb alloc failure
[  372.531094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.531117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.531135]  ? __lock_acquire+0x62f/0x4c20
[  372.534515] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.538376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.541895] kworker/0:2 cpuset=/ mems_allowed=0
[  372.547170]  ? __lock_acquire+0x62f/0x4c20
[  372.547188]  ? should_fail+0x22d/0xd01
[  372.584693]  ? rcu_irq_exit+0x1a2/0x390
[  372.588693]  ? mark_held_locks+0x130/0x130
[  372.592958]  ? mark_held_locks+0x130/0x130
[  372.597215]  ? mark_held_locks+0xc7/0x130
[  372.601406]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.606464]  ? zap_class+0x640/0x640
[  372.610545]  ? print_usage_bug+0xc0/0xc0
[  372.614620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.620185]  ? check_preemption_disabled+0x48/0x280
[  372.625222]  ? __lock_is_held+0xb5/0x140
[  372.629300]  __alloc_pages_nodemask+0xad8/0xea0
[  372.633979]  ? zap_class+0x640/0x640
[  372.637714]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  372.642778]  ? find_held_lock+0x36/0x1c0
[  372.646866]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.651543]  ? lock_downgrade+0x900/0x900
[  372.655721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.661275]  cache_grow_begin+0xa5/0x8c0
[  372.665344]  ? do_raw_spin_unlock+0xa7/0x330
[  372.669768]  fallback_alloc+0x204/0x2e0
[  372.673776]  ____cache_alloc_node+0x1c7/0x1e0
[  372.678301]  kmem_cache_alloc_node+0xe3/0x730
[  372.682818]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.687069]  __alloc_skb+0x119/0x770
[  372.690800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.696094]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.700511]  ? lock_downgrade+0x900/0x900
[  372.704684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.710238]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.715705]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.721169]  ? addrconf_rs_timer+0x690/0x690
[  372.725600]  ndisc_alloc_skb+0x144/0x340
[  372.729708]  ndisc_send_rs+0x331/0x6e0
[  372.733611]  addrconf_rs_timer+0x314/0x690
[  372.737881]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.742149]  call_timer_fn+0x272/0x920
[  372.746090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.750348]  ? process_timeout+0x40/0x40
[  372.754433]  ? mark_held_locks+0xc7/0x130
[  372.758592]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.763091]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.767597]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.771840]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.776438]  ? trace_hardirqs_on+0xbd/0x310
[  372.780777]  ? kasan_check_read+0x11/0x20
[  372.784936]  ? __run_timers+0x7da/0xc70
[  372.788924]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.794048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.798308]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.802553]  __run_timers+0x7e5/0xc70
[  372.806371]  ? timer_fixup_init+0x70/0x70
[  372.810529]  ? kasan_check_read+0x11/0x20
[  372.814692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.819979]  ? rcu_softirq_qs+0x20/0x20
[  372.823967]  ? mark_held_locks+0xc7/0x130
[  372.828126]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.832892]  ? retint_kernel+0x2d/0x2d
[  372.836791]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.841735]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.846503]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.851966]  ? zap_class+0x640/0x640
[  372.855703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.861257]  ? check_preemption_disabled+0x48/0x280
[  372.866293]  ? __lock_is_held+0xb5/0x140
[  372.870363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.875914]  ? check_preemption_disabled+0x48/0x280
[  372.880951]  run_timer_softirq+0x52/0xb0
[  372.885035]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.890066]  __do_softirq+0x308/0xb7e
[  372.893880]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.898384]  ? lock_downgrade+0x900/0x900
[  372.902557]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.907685]  ? pvclock_read_flags+0x160/0x160
[  372.912193]  ? lapic_next_event+0x5a/0x90
[  372.916352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.921909]  ? kvm_clock_read+0x18/0x30
[  372.925894]  ? kvm_sched_clock_read+0x9/0x20
[  372.930313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.935867]  ? check_preemption_disabled+0x48/0x280
[  372.940908]  irq_exit+0x17f/0x1c0
[  372.944372]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.949229]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.955127]  ? interrupt_entry+0xb5/0xc0
[  372.959198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.964234]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.969266]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.974123]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.979164]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.984198]  ? task_prio+0x50/0x50
[  372.987749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.993304]  ? check_preemption_disabled+0x48/0x280
[  372.998338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.003211]  apic_timer_interrupt+0xf/0x20
[  373.007447]  </IRQ>
[  373.009709] RIP: 0010:dump_stack+0x358/0x39d
[  373.014124] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  373.033039] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  373.040767] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  373.048047] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  373.055335] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  373.062617] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  373.069902] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  373.077217]  ? dump_stack+0x34f/0x39d
[  373.081044]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.086257]  ? mark_held_locks+0x130/0x130
[  373.090504]  ? mark_held_locks+0x130/0x130
[  373.094755]  dump_header+0x27b/0xf72
[  373.098494]  ? pagefault_out_of_memory+0x197/0x197
[  373.103446]  ? __lock_acquire+0x62f/0x4c20
[  373.107701]  ? percpu_ref_get_many+0x240/0x240
[  373.112306]  ? print_usage_bug+0xc0/0xc0
[  373.116384]  ? zap_class+0x640/0x640
[  373.120110]  ? print_usage_bug+0xc0/0xc0
[  373.124177]  ? print_usage_bug+0xc0/0xc0
[  373.128249]  ? zap_class+0x640/0x640
[  373.131973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.137545]  ? find_held_lock+0x36/0x1c0
[  373.141623]  ? mark_held_locks+0xc7/0x130
[  373.145791]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.150908]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.156036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.160632]  ? trace_hardirqs_on+0xbd/0x310
[  373.164965]  ? kasan_check_read+0x11/0x20
[  373.169126]  ? ___ratelimit+0x3b4/0x672
[  373.173113]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.178233]  ? trace_hardirqs_on+0x310/0x310
[  373.182651]  ? lock_downgrade+0x900/0x900
[  373.186831]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.191953]  ? ___ratelimit+0x3b9/0x672
[  373.195934]  ? idr_get_free+0xf70/0xf70
[  373.199915]  ? find_held_lock+0x36/0x1c0
[  373.203995]  oom_kill_process.cold.27+0x10/0x903
[  373.208761]  ? zap_class+0x640/0x640
[  373.212480]  ? check_preemption_disabled+0x48/0x280
[  373.217513]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.222463]  ? kasan_check_read+0x11/0x20
[  373.226652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.231951]  ? oom_evaluate_task+0x540/0x540
[  373.236409]  ? find_held_lock+0x36/0x1c0
[  373.240486]  ? out_of_memory+0x974/0x1430
[  373.244644]  ? lock_downgrade+0x900/0x900
[  373.248807]  ? check_preemption_disabled+0x48/0x280
[  373.253847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.258781]  ? kasan_check_read+0x11/0x20
[  373.262942]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.268245]  ? rcu_softirq_qs+0x20/0x20
[  373.272231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.277795]  ? oom_evaluate_task+0x302/0x540
[  373.282227]  out_of_memory+0xa84/0x1430
[  373.286220]  ? oom_killer_disable+0x3a0/0x3a0
[  373.290737]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  373.295686]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.300759]  __alloc_pages_slowpath+0x232c/0x2de0
[  373.305654]  ? warn_alloc+0x120/0x120
[  373.309468]  ? mark_held_locks+0x130/0x130
[  373.313723]  ? find_get_entry+0xaae/0x1120
[  373.317977]  ? filemap_map_pages+0x1a20/0x1a20
[  373.322573]  ? zap_class+0x640/0x640
[  373.326303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.331857]  ? check_preemption_disabled+0x48/0x280
[  373.336890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.342448]  ? should_fail+0x22d/0xd01
[  373.346351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.351474]  ? zap_class+0x640/0x640
[  373.355225]  ? __lock_is_held+0xb5/0x140
[  373.359310]  ? mark_held_locks+0x130/0x130
[  373.363566]  ? lock_release+0xa00/0xa00
[  373.367558]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.373040]  ? xa_load+0x2ba/0x460
[  373.376595]  ? lock_downgrade+0x900/0x900
[  373.380761]  ? __might_sleep+0x95/0x190
[  373.384765]  __alloc_pages_nodemask+0xad8/0xea0
[  373.389481]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  373.394514]  ? __page_cache_alloc+0x191/0x5c0
[  373.399017]  ? xa_load+0x2e1/0x460
[  373.402568]  ? xa_clear_mark+0x40/0x40
[  373.406469]  ? zap_class+0x640/0x640
[  373.410200]  ? zap_class+0x640/0x640
[  373.413922]  ? zap_class+0x640/0x640
[  373.417676]  ? __do_page_cache_readahead+0x663/0x810
[  373.422805]  ? find_held_lock+0x36/0x1c0
[  373.426888]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  373.432469]  alloc_pages_current+0x173/0x350
[  373.436906]  __page_cache_alloc+0x38c/0x5c0
[  373.441239]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.446180]  ? kasan_check_read+0x11/0x20
[  373.450339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.455634]  ? generic_perform_write+0x6a0/0x6a0
[  373.460424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.465991]  ? check_preemption_disabled+0x48/0x280
[  373.471035]  filemap_fault+0x1595/0x25f0
[  373.475122]  ? __lock_page_or_retry+0xa00/0xa00
[  373.479810]  ? mark_held_locks+0x130/0x130
[  373.484073]  ? filemap_map_pages+0xd6b/0x1a20
[  373.488583]  ? lock_downgrade+0x900/0x900
[  373.492750]  ? check_preemption_disabled+0x48/0x280
[  373.497797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.502749]  ? kasan_check_read+0x11/0x20
[  373.506909]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.512201]  ? rcu_softirq_qs+0x20/0x20
[  373.516203]  ? filemap_map_pages+0xd92/0x1a20
[  373.520728]  ? find_get_entries_tag+0x1400/0x1400
[  373.525590]  ? debug_object_destroy+0x2b0/0x2b0
[  373.530302]  ? lock_pi_update_atomic+0x150/0x150
[  373.535075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.540644]  ? lock_acquire+0x1ed/0x520
[  373.544636]  ? ext4_filemap_fault+0x7a/0xad
[  373.548990]  ? lock_release+0xa00/0xa00
[  373.552971]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.558444]  ? print_usage_bug+0xc0/0xc0
[  373.562518]  ? print_usage_bug+0xc0/0xc0
[  373.566601]  ? down_read+0x8d/0x120
[  373.570245]  ? ext4_filemap_fault+0x7a/0xad
[  373.574580]  ? __down_interruptible+0x700/0x700
[  373.579271]  ext4_filemap_fault+0x82/0xad
[  373.583450]  __do_fault+0x100/0x6b0
[  373.587086]  ? pmd_devmap_trans_unstable+0x220/0x220
[  373.592203]  ? mark_held_locks+0x130/0x130
[  373.596451]  ? mark_held_locks+0x130/0x130
[  373.600708]  ? __might_fault+0x12b/0x1e0
[  373.604800]  ? lock_downgrade+0x900/0x900
[  373.608985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.614549]  __handle_mm_fault+0x3ea0/0x5be0
[  373.618990]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  373.623856]  ? _copy_to_user+0xc8/0x110
[  373.627858]  ? zap_class+0x640/0x640
[  373.631587]  ? zap_class+0x640/0x640
[  373.635312]  ? __x64_sys_futex+0x53e/0x6a0
[  373.639567]  ? find_held_lock+0x36/0x1c0
[  373.643651]  ? handle_mm_fault+0x42a/0xc70
[  373.647925]  ? lock_downgrade+0x900/0x900
[  373.652088]  ? check_preemption_disabled+0x48/0x280
[  373.657126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.662077]  ? kasan_check_read+0x11/0x20
[  373.666243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.671536]  ? rcu_softirq_qs+0x20/0x20
[  373.675524]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.680670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.686231]  ? check_preemption_disabled+0x48/0x280
[  373.691276]  handle_mm_fault+0x54f/0xc70
[  373.695354]  ? __handle_mm_fault+0x5be0/0x5be0
[  373.699961]  ? find_vma+0x34/0x190
[  373.703519]  __do_page_fault+0x5e8/0xe60
[  373.707591]  ? trace_hardirqs_off+0xb8/0x310
[  373.712015]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.717586]  do_page_fault+0xf2/0x7e0
[  373.721397]  ? vmalloc_sync_all+0x30/0x30
[  373.725572]  ? error_entry+0x70/0xd0
[  373.729301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.734331]  ? trace_hardirqs_on_caller+0xc0/0x310
[  373.739276]  ? syscall_return_slowpath+0x5e0/0x5e0
[  373.744718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.749584]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.754618]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.760087]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  373.765120]  ? prepare_exit_to_usermode+0x291/0x3b0
[  373.770150]  ? page_fault+0x8/0x30
[  373.773719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.778583]  ? page_fault+0x8/0x30
[  373.782133]  page_fault+0x1e/0x30
[  373.785590] RIP: 0033:0x45ddf3
[  373.788807] Code: Bad RIP value.
[  373.792176] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  373.797552] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  373.804833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  373.812117] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  373.819402] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  373.826697] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  373.834010] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  373.834073] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  373.841132] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  373.841154] Workqueue: events kernfs_notify_workfn
[  373.841161] Call Trace:
[  373.841168]  <IRQ>
[  373.841195]  dump_stack+0x244/0x39d
[  373.847761] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  373.857091]  ? dump_stack_print_info.cold.1+0x20/0x20
[  373.862000] syz-fuzzer cpuset=/ mems_allowed=0
[  373.864615]  warn_alloc.cold.116+0xb7/0x1bd
[  373.894702]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  373.899586]  ? lock_downgrade+0x900/0x900
[  373.903761]  ? trace_hardirqs_off+0xb8/0x310
[  373.908211]  ? trace_hardirqs_off+0xb8/0x310
[  373.912655]  __alloc_pages_slowpath+0x2651/0x2de0
[  373.917553]  ? warn_alloc+0x120/0x120
[  373.921371]  ? warn_alloc+0x120/0x120
[  373.925185]  ? __lock_acquire+0x62f/0x4c20
[  373.929434]  ? warn_alloc+0x120/0x120
[  373.933260]  ? print_usage_bug+0xc0/0xc0
[  373.937340]  ? print_usage_bug+0xc0/0xc0
[  373.941428]  ? mark_held_locks+0x130/0x130
[  373.945706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.951265]  ? should_fail+0x22d/0xd01
[  373.955159]  ? zap_class+0x640/0x640
[  373.958893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.964029]  ? __lock_acquire+0x62f/0x4c20
[  373.968290]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.973423]  ? should_fail+0x22d/0xd01
[  373.977346]  ? mark_held_locks+0x130/0x130
[  373.981590]  ? mark_held_locks+0x130/0x130
[  373.985849]  ? lock_downgrade+0x900/0x900
[  373.990032]  ? zap_class+0x640/0x640
[  373.993756]  ? zap_class+0x640/0x640
[  373.997477]  ? zap_class+0x640/0x640
[  374.001213]  ? do_raw_spin_unlock+0xa7/0x330
[  374.005629]  ? trace_hardirqs_on+0x310/0x310
[  374.010063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.015623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.021184]  ? check_preemption_disabled+0x48/0x280
[  374.026222]  ? __lock_is_held+0xb5/0x140
[  374.030300]  __alloc_pages_nodemask+0xad8/0xea0
[  374.034991]  ? zap_class+0x640/0x640
[  374.038729]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  374.043776]  ? find_held_lock+0x36/0x1c0
[  374.047862]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.052544]  ? lock_downgrade+0x900/0x900
[  374.056711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.062280]  cache_grow_begin+0xa5/0x8c0
[  374.066356]  ? do_raw_spin_unlock+0xa7/0x330
[  374.070785]  fallback_alloc+0x204/0x2e0
[  374.074777]  ____cache_alloc_node+0x1c7/0x1e0
[  374.079294]  kmem_cache_alloc_node+0xe3/0x730
[  374.083803]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.088405]  __alloc_skb+0x119/0x770
[  374.092130]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  374.097529]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.101977]  ? vprintk_default+0x28/0x30
[  374.106060]  ? vprintk_func+0x85/0x181
[  374.109980]  ? printk+0xa7/0xcf
[  374.113268]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  374.118057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.123620]  new_skb+0x26/0x1c0
[  374.126924]  aoecmd_cfg+0x279/0x7f0
[  374.130568]  ? find_held_lock+0x36/0x1c0
[  374.134646]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  374.139005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.144575]  ? __lock_is_held+0xb5/0x140
[  374.148673]  discover_timer+0x50/0x60
[  374.152495]  call_timer_fn+0x272/0x920
[  374.156395]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  374.161253]  ? process_timeout+0x40/0x40
[  374.165336]  ? mark_held_locks+0xc7/0x130
[  374.169504]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.174012]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.178527]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  374.183389]  ? lockdep_hardirqs_on+0x296/0x5b0
[  374.187994]  ? trace_hardirqs_on+0xbd/0x310
[  374.192329]  ? kasan_check_read+0x11/0x20
[  374.196510]  ? __run_timers+0x7da/0xc70
[  374.200503]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.205638]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  374.210501]  __run_timers+0x7e5/0xc70
[  374.214321]  ? timer_fixup_init+0x70/0x70
[  374.218484]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.223519]  ? zap_class+0x640/0x640
[  374.227254]  ? print_usage_bug+0xc0/0xc0
[  374.231334]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.236553]  ? find_held_lock+0x36/0x1c0
[  374.240642]  ? zap_class+0x640/0x640
[  374.244387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.249966]  ? check_preemption_disabled+0x48/0x280
[  374.255012]  ? __lock_is_held+0xb5/0x140
[  374.259097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.264667]  ? check_preemption_disabled+0x48/0x280
[  374.269713]  run_timer_softirq+0x52/0xb0
[  374.273786]  ? rcu_read_lock_sched_held+0x14f/0x180
[  374.278822]  __do_softirq+0x308/0xb7e
[  374.282656]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  374.287170]  ? lock_downgrade+0x900/0x900
[  374.291345]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  374.296492]  ? pvclock_read_flags+0x160/0x160
[  374.301037]  ? lapic_next_event+0x5a/0x90
[  374.305200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.310765]  ? kvm_clock_read+0x18/0x30
[  374.314844]  ? kvm_sched_clock_read+0x9/0x20
[  374.319267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.324834]  ? check_preemption_disabled+0x48/0x280
[  374.329876]  irq_exit+0x17f/0x1c0
[  374.333341]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.338205]  ? smp_reschedule_interrupt+0x109/0x650
[  374.343268]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.349186]  ? interrupt_entry+0xb5/0xc0
[  374.353277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.358305]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.363337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.368200]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.373231]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.378263]  ? task_prio+0x50/0x50
[  374.381814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.387373]  ? check_preemption_disabled+0x48/0x280
[  374.392413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.397279]  apic_timer_interrupt+0xf/0x20
[  374.401527]  </IRQ>
[  374.403774] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  374.408453] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  374.427372] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  374.435105] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  374.442393] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  374.449684] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  374.456969] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  374.464256] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  374.471574]  ? mark_held_locks+0x130/0x130
[  374.475838]  ? kernfs_notify_workfn+0xf0/0x440
[  374.480436]  ? mark_held_locks+0x130/0x130
[  374.484693]  ? set_next_entity+0x493/0xc70
[  374.488948]  ? mutex_trylock+0x2b0/0x2b0
[  374.493020]  ? update_load_avg+0x2470/0x2470
[  374.497463]  ? zap_class+0x640/0x640
[  374.501194]  ? zap_class+0x640/0x640
[  374.504924]  ? print_usage_bug+0xc0/0xc0
[  374.509007]  ? find_held_lock+0x36/0x1c0
[  374.513099]  ? mark_held_locks+0xc7/0x130
[  374.517267]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.521783]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.526302]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.530901]  ? trace_hardirqs_on+0xbd/0x310
[  374.535237]  ? kasan_check_read+0x11/0x20
[  374.539399]  ? kernfs_notify_workfn+0xe2/0x440
[  374.543994]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.549130]  mutex_lock_nested+0x16/0x20
[  374.553207]  ? _raw_spin_unlock_irq+0x60/0x80
[  374.557721]  ? mutex_lock_nested+0x16/0x20
[  374.561970]  kernfs_notify_workfn+0xf0/0x440
[  374.566400]  process_one_work+0xc90/0x1c40
[  374.570646]  ? mark_held_locks+0x130/0x130
[  374.574938]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  374.579638]  ? __switch_to_asm+0x40/0x70
[  374.583723]  ? __switch_to_asm+0x34/0x70
[  374.587799]  ? __switch_to_asm+0x40/0x70
[  374.591866]  ? __switch_to_asm+0x34/0x70
[  374.595938]  ? __switch_to_asm+0x40/0x70
[  374.600023]  ? __switch_to_asm+0x34/0x70
[  374.604093]  ? __switch_to_asm+0x40/0x70
[  374.608165]  ? __switch_to_asm+0x34/0x70
[  374.612708]  ? __switch_to_asm+0x40/0x70
[  374.616784]  ? __schedule+0x8d7/0x21d0
[  374.620706]  ? lock_downgrade+0x900/0x900
[  374.624872]  ? zap_class+0x640/0x640
[  374.628616]  ? zap_class+0x640/0x640
[  374.632365]  ? find_held_lock+0x36/0x1c0
[  374.636440]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.641071]  ? lock_acquire+0x1ed/0x520
[  374.645055]  ? worker_thread+0x3e0/0x1390
[  374.649224]  ? kasan_check_read+0x11/0x20
[  374.653382]  ? do_raw_spin_lock+0x14f/0x350
[  374.657722]  ? kasan_check_read+0x11/0x20
[  374.661882]  ? rwlock_bug.part.2+0x90/0x90
[  374.666127]  ? trace_hardirqs_on+0x310/0x310
[  374.670590]  worker_thread+0x17f/0x1390
[  374.674603]  ? __switch_to_asm+0x34/0x70
[  374.678707]  ? process_one_work+0x1c40/0x1c40
[  374.683225]  ? zap_class+0x640/0x640
[  374.687000]  ? __kthread_parkme+0xce/0x1a0
[  374.691261]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  374.696378]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  374.701515]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.706146]  ? trace_hardirqs_on+0xbd/0x310
[  374.710492]  ? kasan_check_read+0x11/0x20
[  374.714652]  ? __kthread_parkme+0xce/0x1a0
[  374.718910]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.724037]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.729167]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  374.734301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.739855]  ? __kthread_parkme+0xfb/0x1a0
[  374.744109]  ? process_one_work+0x1c40/0x1c40
[  374.748618]  kthread+0x35a/0x440
[  374.751999]  ? kthread_stop+0x900/0x900
[  374.755990]  ret_from_fork+0x3a/0x50
[  374.759743] warn_alloc_show_mem: 1 callbacks suppressed
[  374.759756] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  374.759757] Mem-Info:
[  374.759789] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  374.759789]  active_file:9 inactive_file:10 isolated_file:8
[  374.759789]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.759789]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  374.759789]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  374.759789]  free:13786 free_pcp:282 free_cma:0
[  374.765154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.772207] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.774622] Call Trace:
[  374.807591] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  374.816954]  <IRQ>
[  374.844821] lowmem_reserve[]: 0 2818 6321 6321
[  374.847434]  dump_stack+0x244/0x39d
[  374.873526] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  374.875699]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.880255] lowmem_reserve[]: 0 0 3503 3503
[  374.883896]  warn_alloc.cold.116+0xb7/0x1bd
[  374.911202] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  374.916402]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.920697] lowmem_reserve[]: 0 0 0 0
[  374.925035]  ? lock_downgrade+0x900/0x900
[  374.953943] 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
[  374.958801]  ? trace_hardirqs_off+0xb8/0x310
[  374.962578] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  374.966734]  ? trace_hardirqs_off+0xb8/0x310
[  374.980251] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  374.984685]  __alloc_pages_slowpath+0x2651/0x2de0
[  374.999861] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  375.004292]  ? warn_alloc+0x120/0x120
[  375.019260] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  375.024103]  ? print_usage_bug+0xc0/0xc0
[  375.032927] 4366 total pagecache pages
[  375.036739]  ? warn_alloc+0x120/0x120
[  375.045302] 0 pages in swap cache
[  375.049368]  ? warn_alloc+0x120/0x120
[  375.053243] Swap cache stats: add 0, delete 0, find 0/0
[  375.057042]  ? print_usage_bug+0xc0/0xc0
[  375.060484] Free swap  = 0kB
[  375.064293]  ? print_usage_bug+0xc0/0xc0
[  375.069632] Total swap = 0kB
[  375.073708]  ? __lock_acquire+0x62f/0x4c20
[  375.076705] 1965979 pages RAM
[  375.080775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.083765] 0 pages HighMem/MovableOnly
[  375.088001]  ? should_fail+0x22d/0xd01
[  375.091080] 342854 pages reserved
[  375.091089] 0 pages cma reserved
[  375.096634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.100665] aoe: skb alloc failure
[  375.104495]  ? __lock_acquire+0x62f/0x4c20
[  375.107965] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.111312]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.116393] kworker/0:2 cpuset=/ mems_allowed=0
[  375.119958]  ? __lock_acquire+0x62f/0x4c20
[  375.148490]  ? should_fail+0x22d/0xd01
[  375.152393]  ? find_held_lock+0x36/0x1c0
[  375.156480]  ? mark_held_locks+0x130/0x130
[  375.160737]  ? mark_held_locks+0x130/0x130
[  375.164980]  ? zap_class+0x640/0x640
[  375.168736]  ? zap_class+0x640/0x640
[  375.172465]  ? print_usage_bug+0xc0/0xc0
[  375.176531]  ? do_raw_spin_unlock+0xa7/0x330
[  375.180950]  ? zap_class+0x640/0x640
[  375.184682]  ? print_usage_bug+0xc0/0xc0
[  375.188774]  ? wq_watchdog_touch+0x9c/0xfe
[  375.193038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.198591]  ? check_preemption_disabled+0x48/0x280
[  375.203628]  ? __lock_is_held+0xb5/0x140
[  375.207721]  __alloc_pages_nodemask+0xad8/0xea0
[  375.212401]  ? zap_class+0x640/0x640
[  375.216136]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.221176]  ? find_held_lock+0x36/0x1c0
[  375.225257]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.229943]  ? lock_downgrade+0x900/0x900
[  375.234112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.239689]  cache_grow_begin+0xa5/0x8c0
[  375.243763]  ? do_raw_spin_unlock+0xa7/0x330
[  375.248193]  fallback_alloc+0x204/0x2e0
[  375.252182]  ____cache_alloc_node+0x1c7/0x1e0
[  375.256713]  kmem_cache_alloc_node+0xe3/0x730
[  375.261234]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.265488]  __alloc_skb+0x119/0x770
[  375.269206]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.274549]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.278967]  ? lock_downgrade+0x900/0x900
[  375.283131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.288695]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.294186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.299651]  ? addrconf_rs_timer+0x690/0x690
[  375.304094]  ndisc_alloc_skb+0x144/0x340
[  375.308175]  ndisc_send_rs+0x331/0x6e0
[  375.312077]  addrconf_rs_timer+0x314/0x690
[  375.316325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.320579]  call_timer_fn+0x272/0x920
[  375.324478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.328720]  ? process_timeout+0x40/0x40
[  375.332798]  ? mark_held_locks+0xc7/0x130
[  375.336966]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.341470]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.345975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.350224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.354820]  ? trace_hardirqs_on+0xbd/0x310
[  375.359155]  ? kasan_check_read+0x11/0x20
[  375.363315]  ? __run_timers+0x7da/0xc70
[  375.367302]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.372434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.376692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.380938]  __run_timers+0x7e5/0xc70
[  375.384758]  ? timer_fixup_init+0x70/0x70
[  375.388917]  ? kasan_check_read+0x11/0x20
[  375.393072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.398365]  ? rcu_softirq_qs+0x20/0x20
[  375.402353]  ? mark_held_locks+0xc7/0x130
[  375.406518]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.411291]  ? retint_kernel+0x2d/0x2d
[  375.415191]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.420140]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.424923]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.430405]  ? zap_class+0x640/0x640
[  375.434143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.439710]  ? check_preemption_disabled+0x48/0x280
[  375.444768]  ? __lock_is_held+0xb5/0x140
[  375.448846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.454404]  ? check_preemption_disabled+0x48/0x280
[  375.459453]  run_timer_softirq+0x52/0xb0
[  375.463529]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.468561]  __do_softirq+0x308/0xb7e
[  375.472372]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.476873]  ? lock_downgrade+0x900/0x900
[  375.481037]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.486160]  ? pvclock_read_flags+0x160/0x160
[  375.490678]  ? lapic_next_event+0x5a/0x90
[  375.494855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.500430]  ? kvm_clock_read+0x18/0x30
[  375.504433]  ? kvm_sched_clock_read+0x9/0x20
[  375.508869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.514426]  ? check_preemption_disabled+0x48/0x280
[  375.519482]  irq_exit+0x17f/0x1c0
[  375.522948]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.527818]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.533785]  ? interrupt_entry+0xb5/0xc0
[  375.537859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.542886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.547912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.552773]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.557807]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.562834]  ? task_prio+0x50/0x50
[  375.566401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.571955]  ? check_preemption_disabled+0x48/0x280
[  375.576992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.581852]  apic_timer_interrupt+0xf/0x20
[  375.586090]  </IRQ>
[  375.588339] RIP: 0010:dump_stack+0x358/0x39d
[  375.592757] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  375.611686] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  375.619416] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  375.626704] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  375.633986] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  375.641276] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  375.648560] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  375.655867]  ? dump_stack+0x34f/0x39d
[  375.659717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.664919]  ? mark_held_locks+0x130/0x130
[  375.669161]  ? mark_held_locks+0x130/0x130
[  375.673424]  dump_header+0x27b/0xf72
[  375.677161]  ? pagefault_out_of_memory+0x197/0x197
[  375.682111]  ? __lock_acquire+0x62f/0x4c20
[  375.686354]  ? percpu_ref_get_many+0x240/0x240
[  375.690966]  ? print_usage_bug+0xc0/0xc0
[  375.695040]  ? zap_class+0x640/0x640
[  375.698782]  ? print_usage_bug+0xc0/0xc0
[  375.702867]  ? print_usage_bug+0xc0/0xc0
[  375.706942]  ? zap_class+0x640/0x640
[  375.710686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.716254]  ? find_held_lock+0x36/0x1c0
[  375.720331]  ? mark_held_locks+0xc7/0x130
[  375.724486]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.729613]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  375.734742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.739336]  ? trace_hardirqs_on+0xbd/0x310
[  375.744189]  ? kasan_check_read+0x11/0x20
[  375.748372]  ? ___ratelimit+0x3b4/0x672
[  375.752366]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.757488]  ? trace_hardirqs_on+0x310/0x310
[  375.761905]  ? lock_downgrade+0x900/0x900
[  375.766072]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  375.771190]  ? ___ratelimit+0x3b9/0x672
[  375.775178]  ? idr_get_free+0xf70/0xf70
[  375.779159]  ? find_held_lock+0x36/0x1c0
[  375.783241]  oom_kill_process.cold.27+0x10/0x903
[  375.788012]  ? zap_class+0x640/0x640
[  375.791738]  ? check_preemption_disabled+0x48/0x280
[  375.796775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.801730]  ? kasan_check_read+0x11/0x20
[  375.805888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.811175]  ? oom_evaluate_task+0x540/0x540
[  375.815600]  ? find_held_lock+0x36/0x1c0
[  375.819690]  ? out_of_memory+0x974/0x1430
[  375.823850]  ? lock_downgrade+0x900/0x900
[  375.828008]  ? check_preemption_disabled+0x48/0x280
[  375.833042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  375.837977]  ? kasan_check_read+0x11/0x20
[  375.842146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.847436]  ? rcu_softirq_qs+0x20/0x20
[  375.851429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.856977]  ? oom_evaluate_task+0x302/0x540
[  375.861430]  out_of_memory+0xa84/0x1430
[  375.865423]  ? oom_killer_disable+0x3a0/0x3a0
[  375.869927]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  375.874873]  ? __ww_mutex_check_waiters+0x160/0x160
[  375.879924]  __alloc_pages_slowpath+0x232c/0x2de0
[  375.884805]  ? warn_alloc+0x120/0x120
[  375.888625]  ? mark_held_locks+0x130/0x130
[  375.892882]  ? find_get_entry+0xaae/0x1120
[  375.897147]  ? filemap_map_pages+0x1a20/0x1a20
[  375.901786]  ? zap_class+0x640/0x640
[  375.905528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.911107]  ? check_preemption_disabled+0x48/0x280
[  375.916130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.921678]  ? should_fail+0x22d/0xd01
[  375.925573]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.930710]  ? zap_class+0x640/0x640
[  375.934464]  ? __lock_is_held+0xb5/0x140
[  375.938542]  ? mark_held_locks+0x130/0x130
[  375.942823]  ? lock_release+0xa00/0xa00
[  375.946815]  ? perf_trace_sched_process_exec+0x860/0x860
[  375.952273]  ? xa_load+0x2ba/0x460
[  375.955824]  ? lock_downgrade+0x900/0x900
[  375.959983]  ? __might_sleep+0x95/0x190
[  375.963970]  __alloc_pages_nodemask+0xad8/0xea0
[  375.968653]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  375.973714]  ? __page_cache_alloc+0x191/0x5c0
[  375.978227]  ? xa_load+0x2e1/0x460
[  375.981785]  ? xa_clear_mark+0x40/0x40
[  375.985698]  ? zap_class+0x640/0x640
[  375.989448]  ? zap_class+0x640/0x640
[  375.993169]  ? zap_class+0x640/0x640
[  375.996903]  ? __do_page_cache_readahead+0x663/0x810
[  376.002021]  ? find_held_lock+0x36/0x1c0
[  376.006096]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  376.011653]  alloc_pages_current+0x173/0x350
[  376.016099]  __page_cache_alloc+0x38c/0x5c0
[  376.020432]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.025383]  ? kasan_check_read+0x11/0x20
[  376.029551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.034838]  ? generic_perform_write+0x6a0/0x6a0
[  376.039604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.045157]  ? check_preemption_disabled+0x48/0x280
[  376.050189]  filemap_fault+0x1595/0x25f0
[  376.054275]  ? __lock_page_or_retry+0xa00/0xa00
[  376.058965]  ? mark_held_locks+0x130/0x130
[  376.063219]  ? filemap_map_pages+0xd6b/0x1a20
[  376.067725]  ? lock_downgrade+0x900/0x900
[  376.071879]  ? check_preemption_disabled+0x48/0x280
[  376.076929]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.081872]  ? kasan_check_read+0x11/0x20
[  376.086027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.091308]  ? rcu_softirq_qs+0x20/0x20
[  376.095301]  ? filemap_map_pages+0xd92/0x1a20
[  376.099822]  ? find_get_entries_tag+0x1400/0x1400
[  376.104700]  ? debug_object_destroy+0x2b0/0x2b0
[  376.109432]  ? lock_pi_update_atomic+0x150/0x150
[  376.114217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.119775]  ? lock_acquire+0x1ed/0x520
[  376.123783]  ? ext4_filemap_fault+0x7a/0xad
[  376.128119]  ? lock_release+0xa00/0xa00
[  376.132095]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.137556]  ? print_usage_bug+0xc0/0xc0
[  376.141624]  ? print_usage_bug+0xc0/0xc0
[  376.145734]  ? down_read+0x8d/0x120
[  376.149375]  ? ext4_filemap_fault+0x7a/0xad
[  376.153726]  ? __down_interruptible+0x700/0x700
[  376.158414]  ext4_filemap_fault+0x82/0xad
[  376.162579]  __do_fault+0x100/0x6b0
[  376.166231]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.171349]  ? mark_held_locks+0x130/0x130
[  376.175591]  ? mark_held_locks+0x130/0x130
[  376.179832]  ? __might_fault+0x12b/0x1e0
[  376.183899]  ? lock_downgrade+0x900/0x900
[  376.188058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.193613]  __handle_mm_fault+0x3ea0/0x5be0
[  376.198039]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.202893]  ? _copy_to_user+0xc8/0x110
[  376.206889]  ? zap_class+0x640/0x640
[  376.210612]  ? zap_class+0x640/0x640
[  376.214354]  ? __x64_sys_futex+0x53e/0x6a0
[  376.218632]  ? find_held_lock+0x36/0x1c0
[  376.222724]  ? handle_mm_fault+0x42a/0xc70
[  376.226967]  ? lock_downgrade+0x900/0x900
[  376.231121]  ? check_preemption_disabled+0x48/0x280
[  376.236194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.241160]  ? kasan_check_read+0x11/0x20
[  376.245346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.250651]  ? rcu_softirq_qs+0x20/0x20
[  376.254655]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.259788]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.265349]  ? check_preemption_disabled+0x48/0x280
[  376.270392]  handle_mm_fault+0x54f/0xc70
[  376.274469]  ? __handle_mm_fault+0x5be0/0x5be0
[  376.279068]  ? find_vma+0x34/0x190
[  376.282618]  __do_page_fault+0x5e8/0xe60
[  376.286690]  ? trace_hardirqs_off+0xb8/0x310
[  376.291110]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.296697]  do_page_fault+0xf2/0x7e0
[  376.300512]  ? vmalloc_sync_all+0x30/0x30
[  376.304688]  ? error_entry+0x70/0xd0
[  376.308412]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.313443]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.318379]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.323314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.328172]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.333197]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.338666]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  376.343706]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.348740]  ? page_fault+0x8/0x30
[  376.352288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.357175]  ? page_fault+0x8/0x30
[  376.360720]  page_fault+0x1e/0x30
[  376.364178] RIP: 0033:0x45ddf3
[  376.367397] Code: Bad RIP value.
[  376.370767] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  376.376131] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  376.383404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  376.390704] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  376.397981] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  376.405270] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  376.412594] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  376.412668] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  376.419702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.419725] Workqueue: events kernfs_notify_workfn
[  376.419732] Call Trace:
[  376.419739]  <IRQ>
[  376.419761]  dump_stack+0x244/0x39d
[  376.426307] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  376.435641]  ? dump_stack_print_info.cold.1+0x20/0x20
[  376.440557] syz-fuzzer cpuset=/ mems_allowed=0
[  376.443151]  warn_alloc.cold.116+0xb7/0x1bd
[  376.473203]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.478063]  ? lock_downgrade+0x900/0x900
[  376.482226]  ? trace_hardirqs_off+0xb8/0x310
[  376.486646]  ? trace_hardirqs_off+0xb8/0x310
[  376.491102]  __alloc_pages_slowpath+0x2651/0x2de0
[  376.495986]  ? warn_alloc+0x120/0x120
[  376.499796]  ? warn_alloc+0x120/0x120
[  376.503604]  ? __lock_acquire+0x62f/0x4c20
[  376.507850]  ? warn_alloc+0x120/0x120
[  376.511672]  ? print_usage_bug+0xc0/0xc0
[  376.515745]  ? print_usage_bug+0xc0/0xc0
[  376.519833]  ? mark_held_locks+0x130/0x130
[  376.524100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.529650]  ? should_fail+0x22d/0xd01
[  376.533554]  ? zap_class+0x640/0x640
[  376.537288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.542399]  ? __lock_acquire+0x62f/0x4c20
[  376.546639]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.551759]  ? should_fail+0x22d/0xd01
[  376.555686]  ? mark_held_locks+0x130/0x130
[  376.559936]  ? mark_held_locks+0x130/0x130
[  376.564174]  ? lock_downgrade+0x900/0x900
[  376.568324]  ? zap_class+0x640/0x640
[  376.572039]  ? zap_class+0x640/0x640
[  376.575761]  ? zap_class+0x640/0x640
[  376.579480]  ? do_raw_spin_unlock+0xa7/0x330
[  376.583893]  ? trace_hardirqs_on+0x310/0x310
[  376.588329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.593879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.599424]  ? check_preemption_disabled+0x48/0x280
[  376.604459]  ? __lock_is_held+0xb5/0x140
[  376.608537]  __alloc_pages_nodemask+0xad8/0xea0
[  376.613497]  ? zap_class+0x640/0x640
[  376.617220]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  376.622252]  ? find_held_lock+0x36/0x1c0
[  376.626329]  ? ____cache_alloc_node+0x1c7/0x1e0
[  376.631006]  ? lock_downgrade+0x900/0x900
[  376.635176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.640724]  cache_grow_begin+0xa5/0x8c0
[  376.644789]  ? do_raw_spin_unlock+0xa7/0x330
[  376.649214]  fallback_alloc+0x204/0x2e0
[  376.653213]  ____cache_alloc_node+0x1c7/0x1e0
[  376.657720]  kmem_cache_alloc_node+0xe3/0x730
[  376.662219]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.666850]  __alloc_skb+0x119/0x770
[  376.670580]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  376.675957]  ? netdev_alloc_frag+0x1f0/0x1f0
[  376.680391]  ? vprintk_default+0x28/0x30
[  376.684460]  ? vprintk_func+0x85/0x181
[  376.688384]  ? printk+0xa7/0xcf
[  376.691702]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  376.696472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.702026]  new_skb+0x26/0x1c0
[  376.705326]  aoecmd_cfg+0x279/0x7f0
[  376.708962]  ? find_held_lock+0x36/0x1c0
[  376.713032]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  376.717363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.722952]  ? __lock_is_held+0xb5/0x140
[  376.727029]  discover_timer+0x50/0x60
[  376.730850]  call_timer_fn+0x272/0x920
[  376.734747]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  376.739592]  ? process_timeout+0x40/0x40
[  376.743722]  ? mark_held_locks+0xc7/0x130
[  376.747894]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.752423]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.756929]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  376.761786]  ? lockdep_hardirqs_on+0x296/0x5b0
[  376.766374]  ? trace_hardirqs_on+0xbd/0x310
[  376.770701]  ? kasan_check_read+0x11/0x20
[  376.774870]  ? __run_timers+0x7da/0xc70
[  376.778855]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.783989]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  376.788842]  __run_timers+0x7e5/0xc70
[  376.792665]  ? timer_fixup_init+0x70/0x70
[  376.796828]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.801857]  ? zap_class+0x640/0x640
[  376.805595]  ? print_usage_bug+0xc0/0xc0
[  376.809675]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  376.814881]  ? find_held_lock+0x36/0x1c0
[  376.818968]  ? zap_class+0x640/0x640
[  376.822706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.828259]  ? check_preemption_disabled+0x48/0x280
[  376.833299]  ? __lock_is_held+0xb5/0x140
[  376.837375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.842932]  ? check_preemption_disabled+0x48/0x280
[  376.847969]  run_timer_softirq+0x52/0xb0
[  376.852052]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.857078]  __do_softirq+0x308/0xb7e
[  376.860887]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.865389]  ? lock_downgrade+0x900/0x900
[  376.869553]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.874677]  ? pvclock_read_flags+0x160/0x160
[  376.879185]  ? lapic_next_event+0x5a/0x90
[  376.883344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.888897]  ? kvm_clock_read+0x18/0x30
[  376.892881]  ? kvm_sched_clock_read+0x9/0x20
[  376.897310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.902905]  ? check_preemption_disabled+0x48/0x280
[  376.907949]  irq_exit+0x17f/0x1c0
[  376.911425]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.916275]  ? smp_reschedule_interrupt+0x109/0x650
[  376.921298]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.927197]  ? interrupt_entry+0xb5/0xc0
[  376.931269]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.936295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.941352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.946207]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.951230]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.956257]  ? task_prio+0x50/0x50
[  376.959805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.965390]  ? check_preemption_disabled+0x48/0x280
[  376.970424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.975303]  apic_timer_interrupt+0xf/0x20
[  376.979534]  </IRQ>
[  376.981783] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  376.986455] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  377.005375] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.013095] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  377.020389] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  377.027673] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  377.034957] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  377.042240] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  377.049552]  ? mark_held_locks+0x130/0x130
[  377.053792]  ? kernfs_notify_workfn+0xf0/0x440
[  377.058387]  ? mark_held_locks+0x130/0x130
[  377.062633]  ? set_next_entity+0x493/0xc70
[  377.066887]  ? mutex_trylock+0x2b0/0x2b0
[  377.070961]  ? update_load_avg+0x2470/0x2470
[  377.075388]  ? zap_class+0x640/0x640
[  377.079116]  ? zap_class+0x640/0x640
[  377.082850]  ? print_usage_bug+0xc0/0xc0
[  377.086942]  ? find_held_lock+0x36/0x1c0
[  377.091021]  ? mark_held_locks+0xc7/0x130
[  377.095183]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.099696]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.104201]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.108805]  ? trace_hardirqs_on+0xbd/0x310
[  377.113133]  ? kasan_check_read+0x11/0x20
[  377.117292]  ? kernfs_notify_workfn+0xe2/0x440
[  377.121885]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.127014]  mutex_lock_nested+0x16/0x20
[  377.131084]  ? _raw_spin_unlock_irq+0x60/0x80
[  377.135588]  ? mutex_lock_nested+0x16/0x20
[  377.139831]  kernfs_notify_workfn+0xf0/0x440
[  377.144261]  process_one_work+0xc90/0x1c40
[  377.148517]  ? mark_held_locks+0x130/0x130
[  377.152771]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  377.157445]  ? __switch_to_asm+0x40/0x70
[  377.161512]  ? __switch_to_asm+0x34/0x70
[  377.165574]  ? __switch_to_asm+0x40/0x70
[  377.169642]  ? __switch_to_asm+0x34/0x70
[  377.173731]  ? __switch_to_asm+0x40/0x70
[  377.177792]  ? __switch_to_asm+0x34/0x70
[  377.181855]  ? __switch_to_asm+0x40/0x70
[  377.185931]  ? __switch_to_asm+0x34/0x70
[  377.190025]  ? __switch_to_asm+0x40/0x70
[  377.194103]  ? __schedule+0x8d7/0x21d0
[  377.198007]  ? lock_downgrade+0x900/0x900
[  377.202164]  ? zap_class+0x640/0x640
[  377.205882]  ? zap_class+0x640/0x640
[  377.209615]  ? find_held_lock+0x36/0x1c0
[  377.213696]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.218302]  ? lock_acquire+0x1ed/0x520
[  377.222285]  ? worker_thread+0x3e0/0x1390
[  377.226446]  ? kasan_check_read+0x11/0x20
[  377.230628]  ? do_raw_spin_lock+0x14f/0x350
[  377.234968]  ? kasan_check_read+0x11/0x20
[  377.239125]  ? rwlock_bug.part.2+0x90/0x90
[  377.243364]  ? trace_hardirqs_on+0x310/0x310
[  377.247795]  worker_thread+0x17f/0x1390
[  377.251778]  ? __switch_to_asm+0x34/0x70
[  377.255863]  ? process_one_work+0x1c40/0x1c40
[  377.260376]  ? zap_class+0x640/0x640
[  377.264139]  ? __kthread_parkme+0xce/0x1a0
[  377.268383]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.273497]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  377.278608]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  377.283198]  ? trace_hardirqs_on+0xbd/0x310
[  377.287525]  ? kasan_check_read+0x11/0x20
[  377.291688]  ? __kthread_parkme+0xce/0x1a0
[  377.295936]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.301048]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.306168]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  377.311281]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.316831]  ? __kthread_parkme+0xfb/0x1a0
[  377.321074]  ? process_one_work+0x1c40/0x1c40
[  377.325578]  kthread+0x35a/0x440
[  377.328958]  ? kthread_stop+0x900/0x900
[  377.332949]  ret_from_fork+0x3a/0x50
[  377.336694] warn_alloc_show_mem: 1 callbacks suppressed
[  377.336705] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  377.336707] Mem-Info:
[  377.336739] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  377.336739]  active_file:9 inactive_file:10 isolated_file:8
[  377.336739]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.336739]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  377.336739]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  377.336739]  free:13786 free_pcp:282 free_cma:0
[  377.342082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.342092] Call Trace:
[  377.349133] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.351537]  <IRQ>
[  377.384508] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  377.393898]  dump_stack+0x244/0x39d
[  377.396457] lowmem_reserve[]: 0 2818 6321 6321
[  377.424324]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.426450] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  377.452589]  warn_alloc.cold.116+0xb7/0x1bd
[  377.456190] lowmem_reserve[]: 0 0 3503 3503
[  377.460788]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.465959] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  377.493299]  ? lock_downgrade+0x900/0x900
[  377.497590] lowmem_reserve[]: 0 0 0 0
[  377.501944]  ? trace_hardirqs_off+0xb8/0x310
[  377.506772] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  377.535689]  ? trace_hardirqs_off+0xb8/0x310
[  377.539816] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  377.543623]  __alloc_pages_slowpath+0x2651/0x2de0
[  377.548019] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  377.561576]  ? warn_alloc+0x120/0x120
[  377.565952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.581136]  ? print_usage_bug+0xc0/0xc0
[  377.585960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.600969]  ? warn_alloc+0x120/0x120
[  377.604749] 4366 total pagecache pages
[  377.613603]  ? warn_alloc+0x120/0x120
[  377.617640] 0 pages in swap cache
[  377.626231]  ? print_usage_bug+0xc0/0xc0
[  377.630009] Swap cache stats: add 0, delete 0, find 0/0
[  377.633895]  ? print_usage_bug+0xc0/0xc0
[  377.637682] Free swap  = 0kB
[  377.641137]  ? __lock_acquire+0x62f/0x4c20
[  377.645176] Total swap = 0kB
[  377.650544]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.654583] 1965979 pages RAM
[  377.657604]  ? should_fail+0x22d/0xd01
[  377.661813] 0 pages HighMem/MovableOnly
[  377.664834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.670346] 342854 pages reserved
[  377.673490]  ? __lock_acquire+0x62f/0x4c20
[  377.677345] 0 pages cma reserved
[  377.677424] aoe: skb alloc failure
[  377.681328]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.681344]  ? __lock_acquire+0x62f/0x4c20
[  377.681360]  ? should_fail+0x22d/0xd01
[  377.686502] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.689924]  ? find_held_lock+0x36/0x1c0
[  377.694137] kworker/0:2 cpuset=/ mems_allowed=0
[  377.697508]  ? mark_held_locks+0x130/0x130
[  377.737560]  ? mark_held_locks+0x130/0x130
[  377.742269]  ? zap_class+0x640/0x640
[  377.745992]  ? zap_class+0x640/0x640
[  377.749716]  ? print_usage_bug+0xc0/0xc0
[  377.753781]  ? do_raw_spin_unlock+0xa7/0x330
[  377.758198]  ? zap_class+0x640/0x640
[  377.761922]  ? print_usage_bug+0xc0/0xc0
[  377.765990]  ? wq_watchdog_touch+0x9c/0xfe
[  377.770239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.775819]  ? check_preemption_disabled+0x48/0x280
[  377.780868]  ? __lock_is_held+0xb5/0x140
[  377.784938]  __alloc_pages_nodemask+0xad8/0xea0
[  377.789616]  ? zap_class+0x640/0x640
[  377.793359]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  377.798409]  ? find_held_lock+0x36/0x1c0
[  377.802520]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.807196]  ? lock_downgrade+0x900/0x900
[  377.811357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.816913]  cache_grow_begin+0xa5/0x8c0
[  377.820988]  ? do_raw_spin_unlock+0xa7/0x330
[  377.825410]  fallback_alloc+0x204/0x2e0
[  377.829408]  ____cache_alloc_node+0x1c7/0x1e0
[  377.833924]  kmem_cache_alloc_node+0xe3/0x730
[  377.838435]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.842695]  __alloc_skb+0x119/0x770
[  377.846414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.851717]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.856150]  ? lock_downgrade+0x900/0x900
[  377.860313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.865864]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.871330]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.876789]  ? addrconf_rs_timer+0x690/0x690
[  377.881222]  ndisc_alloc_skb+0x144/0x340
[  377.885292]  ndisc_send_rs+0x331/0x6e0
[  377.889192]  addrconf_rs_timer+0x314/0x690
[  377.893442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.897698]  call_timer_fn+0x272/0x920
[  377.901590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.905831]  ? process_timeout+0x40/0x40
[  377.909909]  ? mark_held_locks+0xc7/0x130
[  377.914066]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.918568]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.923078]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.927333]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.931928]  ? trace_hardirqs_on+0xbd/0x310
[  377.936256]  ? kasan_check_read+0x11/0x20
[  377.940410]  ? __run_timers+0x7da/0xc70
[  377.944399]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.949555]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.953799]  __run_timers+0x7e5/0xc70
[  377.957644]  ? timer_fixup_init+0x70/0x70
[  377.961810]  ? kasan_check_read+0x11/0x20
[  377.965967]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.971267]  ? rcu_softirq_qs+0x20/0x20
[  377.975252]  ? mark_held_locks+0xc7/0x130
[  377.979411]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.984182]  ? retint_kernel+0x2d/0x2d
[  377.988075]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.993023]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  377.997787]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.003254]  ? zap_class+0x640/0x640
[  378.006985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.012535]  ? check_preemption_disabled+0x48/0x280
[  378.017588]  ? __lock_is_held+0xb5/0x140
[  378.021682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.027233]  ? check_preemption_disabled+0x48/0x280
[  378.032265]  run_timer_softirq+0x52/0xb0
[  378.036335]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.041364]  __do_softirq+0x308/0xb7e
[  378.045185]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.049692]  ? lock_downgrade+0x900/0x900
[  378.053856]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.058977]  ? pvclock_read_flags+0x160/0x160
[  378.063481]  ? lapic_next_event+0x5a/0x90
[  378.067654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.073226]  ? kvm_clock_read+0x18/0x30
[  378.077203]  ? kvm_sched_clock_read+0x9/0x20
[  378.081619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.087182]  ? check_preemption_disabled+0x48/0x280
[  378.092215]  irq_exit+0x17f/0x1c0
[  378.095689]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.100542]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.106437]  ? interrupt_entry+0xb5/0xc0
[  378.110504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.115534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.120560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.125407]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.130450]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.135473]  ? task_prio+0x50/0x50
[  378.139030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.144588]  ? check_preemption_disabled+0x48/0x280
[  378.149624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.154930]  apic_timer_interrupt+0xf/0x20
[  378.159196]  </IRQ>
[  378.161461] RIP: 0010:dump_stack+0x358/0x39d
[  378.165896] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  378.184813] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.192536] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  378.199817] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  378.207108] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  378.214415] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  378.221720] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  378.229021]  ? dump_stack+0x34f/0x39d
[  378.232850]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.238053]  ? mark_held_locks+0x130/0x130
[  378.242296]  ? mark_held_locks+0x130/0x130
[  378.246577]  dump_header+0x27b/0xf72
[  378.250334]  ? pagefault_out_of_memory+0x197/0x197
[  378.255280]  ? __lock_acquire+0x62f/0x4c20
[  378.259523]  ? percpu_ref_get_many+0x240/0x240
[  378.264130]  ? print_usage_bug+0xc0/0xc0
[  378.268203]  ? zap_class+0x640/0x640
[  378.271944]  ? print_usage_bug+0xc0/0xc0
[  378.276026]  ? print_usage_bug+0xc0/0xc0
[  378.280099]  ? zap_class+0x640/0x640
[  378.283820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.289401]  ? find_held_lock+0x36/0x1c0
[  378.293497]  ? mark_held_locks+0xc7/0x130
[  378.297651]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.302772]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.307886]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.312480]  ? trace_hardirqs_on+0xbd/0x310
[  378.316808]  ? kasan_check_read+0x11/0x20
[  378.320962]  ? ___ratelimit+0x3b4/0x672
[  378.324944]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.330060]  ? trace_hardirqs_on+0x310/0x310
[  378.334490]  ? lock_downgrade+0x900/0x900
[  378.338651]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  378.343777]  ? ___ratelimit+0x3b9/0x672
[  378.347761]  ? idr_get_free+0xf70/0xf70
[  378.351744]  ? find_held_lock+0x36/0x1c0
[  378.355835]  oom_kill_process.cold.27+0x10/0x903
[  378.360598]  ? zap_class+0x640/0x640
[  378.364321]  ? check_preemption_disabled+0x48/0x280
[  378.369391]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.374328]  ? kasan_check_read+0x11/0x20
[  378.378482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.383782]  ? oom_evaluate_task+0x540/0x540
[  378.388217]  ? find_held_lock+0x36/0x1c0
[  378.392290]  ? out_of_memory+0x974/0x1430
[  378.396447]  ? lock_downgrade+0x900/0x900
[  378.400600]  ? check_preemption_disabled+0x48/0x280
[  378.405626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.410566]  ? kasan_check_read+0x11/0x20
[  378.414725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.420010]  ? rcu_softirq_qs+0x20/0x20
[  378.423993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.429546]  ? oom_evaluate_task+0x302/0x540
[  378.433974]  out_of_memory+0xa84/0x1430
[  378.437977]  ? oom_killer_disable+0x3a0/0x3a0
[  378.442514]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  378.447489]  ? __ww_mutex_check_waiters+0x160/0x160
[  378.452547]  __alloc_pages_slowpath+0x232c/0x2de0
[  378.457436]  ? warn_alloc+0x120/0x120
[  378.461243]  ? mark_held_locks+0x130/0x130
[  378.465492]  ? find_get_entry+0xaae/0x1120
[  378.469754]  ? filemap_map_pages+0x1a20/0x1a20
[  378.474347]  ? zap_class+0x640/0x640
[  378.478073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.483624]  ? check_preemption_disabled+0x48/0x280
[  378.488671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.494222]  ? should_fail+0x22d/0xd01
[  378.498120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.503238]  ? zap_class+0x640/0x640
[  378.506994]  ? __lock_is_held+0xb5/0x140
[  378.511089]  ? mark_held_locks+0x130/0x130
[  378.515337]  ? lock_release+0xa00/0xa00
[  378.519319]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.524778]  ? xa_load+0x2ba/0x460
[  378.528355]  ? lock_downgrade+0x900/0x900
[  378.532518]  ? __might_sleep+0x95/0x190
[  378.536502]  __alloc_pages_nodemask+0xad8/0xea0
[  378.541187]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  378.546210]  ? __page_cache_alloc+0x191/0x5c0
[  378.550712]  ? xa_load+0x2e1/0x460
[  378.554260]  ? xa_clear_mark+0x40/0x40
[  378.558153]  ? zap_class+0x640/0x640
[  378.561890]  ? zap_class+0x640/0x640
[  378.565628]  ? zap_class+0x640/0x640
[  378.569351]  ? __do_page_cache_readahead+0x663/0x810
[  378.574468]  ? find_held_lock+0x36/0x1c0
[  378.578540]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  378.584092]  alloc_pages_current+0x173/0x350
[  378.588521]  __page_cache_alloc+0x38c/0x5c0
[  378.592860]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.597801]  ? kasan_check_read+0x11/0x20
[  378.601957]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.607250]  ? generic_perform_write+0x6a0/0x6a0
[  378.612254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.617801]  ? check_preemption_disabled+0x48/0x280
[  378.622833]  filemap_fault+0x1595/0x25f0
[  378.626925]  ? __lock_page_or_retry+0xa00/0xa00
[  378.631625]  ? mark_held_locks+0x130/0x130
[  378.635906]  ? filemap_map_pages+0xd6b/0x1a20
[  378.640438]  ? lock_downgrade+0x900/0x900
[  378.644616]  ? check_preemption_disabled+0x48/0x280
[  378.649644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.654589]  ? kasan_check_read+0x11/0x20
[  378.658744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.664027]  ? rcu_softirq_qs+0x20/0x20
[  378.668023]  ? filemap_map_pages+0xd92/0x1a20
[  378.672552]  ? find_get_entries_tag+0x1400/0x1400
[  378.677415]  ? debug_object_destroy+0x2b0/0x2b0
[  378.682110]  ? lock_pi_update_atomic+0x150/0x150
[  378.686877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.692439]  ? lock_acquire+0x1ed/0x520
[  378.696423]  ? ext4_filemap_fault+0x7a/0xad
[  378.700759]  ? lock_release+0xa00/0xa00
[  378.704737]  ? perf_trace_sched_process_exec+0x860/0x860
[  378.710202]  ? print_usage_bug+0xc0/0xc0
[  378.714272]  ? print_usage_bug+0xc0/0xc0
[  378.718353]  ? down_read+0x8d/0x120
[  378.721985]  ? ext4_filemap_fault+0x7a/0xad
[  378.726321]  ? __down_interruptible+0x700/0x700
[  378.731006]  ext4_filemap_fault+0x82/0xad
[  378.735165]  __do_fault+0x100/0x6b0
[  378.738832]  ? pmd_devmap_trans_unstable+0x220/0x220
[  378.743951]  ? mark_held_locks+0x130/0x130
[  378.748205]  ? mark_held_locks+0x130/0x130
[  378.752450]  ? __might_fault+0x12b/0x1e0
[  378.756523]  ? lock_downgrade+0x900/0x900
[  378.760692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.766250]  __handle_mm_fault+0x3ea0/0x5be0
[  378.770688]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  378.775545]  ? _copy_to_user+0xc8/0x110
[  378.779554]  ? zap_class+0x640/0x640
[  378.783273]  ? zap_class+0x640/0x640
[  378.786993]  ? __x64_sys_futex+0x53e/0x6a0
[  378.791238]  ? find_held_lock+0x36/0x1c0
[  378.795319]  ? handle_mm_fault+0x42a/0xc70
[  378.799563]  ? lock_downgrade+0x900/0x900
[  378.803721]  ? check_preemption_disabled+0x48/0x280
[  378.808751]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  378.813704]  ? kasan_check_read+0x11/0x20
[  378.817860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.823144]  ? rcu_softirq_qs+0x20/0x20
[  378.827127]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.832239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.837789]  ? check_preemption_disabled+0x48/0x280
[  378.842831]  handle_mm_fault+0x54f/0xc70
[  378.846914]  ? __handle_mm_fault+0x5be0/0x5be0
[  378.851507]  ? find_vma+0x34/0x190
[  378.855070]  __do_page_fault+0x5e8/0xe60
[  378.859152]  ? trace_hardirqs_off+0xb8/0x310
[  378.863582]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.869138]  do_page_fault+0xf2/0x7e0
[  378.872945]  ? vmalloc_sync_all+0x30/0x30
[  378.877100]  ? error_entry+0x70/0xd0
[  378.880825]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.885851]  ? trace_hardirqs_on_caller+0xc0/0x310
[  378.890787]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.895723]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.900577]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.905613]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.911095]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.916123]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.921154]  ? page_fault+0x8/0x30
[  378.924704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.929571]  ? page_fault+0x8/0x30
[  378.933115]  page_fault+0x1e/0x30
[  378.936566] RIP: 0033:0x45ddf3
[  378.939768] Code: Bad RIP value.
[  378.943131] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  378.948516] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  378.955807] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  378.963083] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  378.970373] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  378.977653] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  378.984980] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  378.985049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.992094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.992115] Workqueue: events kernfs_notify_workfn
[  378.992123] Call Trace:
[  378.992130]  <IRQ>
[  378.992153]  dump_stack+0x244/0x39d
[  378.998699] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.008004]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.012915] syz-fuzzer cpuset=/ mems_allowed=0
[  379.015512]  warn_alloc.cold.116+0xb7/0x1bd
[  379.045606]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.050459]  ? lock_downgrade+0x900/0x900
[  379.054635]  ? trace_hardirqs_off+0xb8/0x310
[  379.059064]  ? trace_hardirqs_off+0xb8/0x310
[  379.063488]  __alloc_pages_slowpath+0x2651/0x2de0
[  379.068367]  ? warn_alloc+0x120/0x120
[  379.072193]  ? warn_alloc+0x120/0x120
[  379.076000]  ? __lock_acquire+0x62f/0x4c20
[  379.080268]  ? warn_alloc+0x120/0x120
[  379.084116]  ? print_usage_bug+0xc0/0xc0
[  379.088196]  ? print_usage_bug+0xc0/0xc0
[  379.092268]  ? mark_held_locks+0x130/0x130
[  379.096518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.102085]  ? should_fail+0x22d/0xd01
[  379.106001]  ? zap_class+0x640/0x640
[  379.109725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.114836]  ? __lock_acquire+0x62f/0x4c20
[  379.119079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.124190]  ? should_fail+0x22d/0xd01
[  379.128130]  ? mark_held_locks+0x130/0x130
[  379.132370]  ? mark_held_locks+0x130/0x130
[  379.136628]  ? lock_downgrade+0x900/0x900
[  379.140794]  ? zap_class+0x640/0x640
[  379.144513]  ? zap_class+0x640/0x640
[  379.148233]  ? zap_class+0x640/0x640
[  379.151953]  ? do_raw_spin_unlock+0xa7/0x330
[  379.156374]  ? trace_hardirqs_on+0x310/0x310
[  379.160791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.166340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.171889]  ? check_preemption_disabled+0x48/0x280
[  379.176935]  ? __lock_is_held+0xb5/0x140
[  379.181017]  __alloc_pages_nodemask+0xad8/0xea0
[  379.185699]  ? zap_class+0x640/0x640
[  379.189428]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  379.194466]  ? find_held_lock+0x36/0x1c0
[  379.198549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.203228]  ? lock_downgrade+0x900/0x900
[  379.207394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.212957]  cache_grow_begin+0xa5/0x8c0
[  379.217026]  ? do_raw_spin_unlock+0xa7/0x330
[  379.221477]  fallback_alloc+0x204/0x2e0
[  379.225477]  ____cache_alloc_node+0x1c7/0x1e0
[  379.229998]  kmem_cache_alloc_node+0xe3/0x730
[  379.234504]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.239104]  __alloc_skb+0x119/0x770
[  379.242824]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  379.248199]  ? netdev_alloc_frag+0x1f0/0x1f0
[  379.252619]  ? vprintk_default+0x28/0x30
[  379.256689]  ? vprintk_func+0x85/0x181
[  379.260584]  ? printk+0xa7/0xcf
[  379.263865]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  379.268638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.274199]  new_skb+0x26/0x1c0
[  379.277483]  aoecmd_cfg+0x279/0x7f0
[  379.281120]  ? find_held_lock+0x36/0x1c0
[  379.285191]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  379.289526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.295091]  ? __lock_is_held+0xb5/0x140
[  379.299179]  discover_timer+0x50/0x60
[  379.302989]  call_timer_fn+0x272/0x920
[  379.306880]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  379.311742]  ? process_timeout+0x40/0x40
[  379.315818]  ? mark_held_locks+0xc7/0x130
[  379.319997]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.324500]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.329004]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  379.333858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  379.338452]  ? trace_hardirqs_on+0xbd/0x310
[  379.342777]  ? kasan_check_read+0x11/0x20
[  379.346935]  ? __run_timers+0x7da/0xc70
[  379.350926]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.356060]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  379.360924]  __run_timers+0x7e5/0xc70
[  379.364746]  ? timer_fixup_init+0x70/0x70
[  379.368928]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.373959]  ? zap_class+0x640/0x640
[  379.377690]  ? print_usage_bug+0xc0/0xc0
[  379.381761]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.386972]  ? find_held_lock+0x36/0x1c0
[  379.391042]  ? zap_class+0x640/0x640
[  379.394768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.400316]  ? check_preemption_disabled+0x48/0x280
[  379.405352]  ? __lock_is_held+0xb5/0x140
[  379.409422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.414974]  ? check_preemption_disabled+0x48/0x280
[  379.420010]  run_timer_softirq+0x52/0xb0
[  379.424082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  379.429109]  __do_softirq+0x308/0xb7e
[  379.432927]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  379.437428]  ? lock_downgrade+0x900/0x900
[  379.441608]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  379.446734]  ? pvclock_read_flags+0x160/0x160
[  379.451239]  ? lapic_next_event+0x5a/0x90
[  379.455397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.460958]  ? kvm_clock_read+0x18/0x30
[  379.464946]  ? kvm_sched_clock_read+0x9/0x20
[  379.469366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.474914]  ? check_preemption_disabled+0x48/0x280
[  379.479958]  irq_exit+0x17f/0x1c0
[  379.483424]  smp_apic_timer_interrupt+0x1cb/0x760
[  379.488276]  ? smp_reschedule_interrupt+0x109/0x650
[  379.493308]  ? smp_call_function_single_interrupt+0x650/0x650
[  379.499204]  ? interrupt_entry+0xb5/0xc0
[  379.503271]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.508294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.513319]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.518170]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.523196]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.528262]  ? task_prio+0x50/0x50
[  379.531823]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.537374]  ? check_preemption_disabled+0x48/0x280
[  379.542424]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.547290]  apic_timer_interrupt+0xf/0x20
[  379.551522]  </IRQ>
[  379.553784] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  379.558461] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  379.577377] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  379.585097] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  379.592393] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  379.599716] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  379.606996] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  379.614278] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  379.621604]  ? mark_held_locks+0x130/0x130
[  379.625858]  ? kernfs_notify_workfn+0xf0/0x440
[  379.630448]  ? mark_held_locks+0x130/0x130
[  379.634710]  ? set_next_entity+0x493/0xc70
[  379.638978]  ? mutex_trylock+0x2b0/0x2b0
[  379.643043]  ? update_load_avg+0x2470/0x2470
[  379.647484]  ? zap_class+0x640/0x640
[  379.651226]  ? zap_class+0x640/0x640
[  379.654947]  ? print_usage_bug+0xc0/0xc0
[  379.659035]  ? find_held_lock+0x36/0x1c0
[  379.663111]  ? mark_held_locks+0xc7/0x130
[  379.667274]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.671783]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.676295]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.680902]  ? trace_hardirqs_on+0xbd/0x310
[  379.685277]  ? kasan_check_read+0x11/0x20
[  379.689442]  ? kernfs_notify_workfn+0xe2/0x440
[  379.694037]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.699159]  mutex_lock_nested+0x16/0x20
[  379.703224]  ? _raw_spin_unlock_irq+0x60/0x80
[  379.707723]  ? mutex_lock_nested+0x16/0x20
[  379.711966]  kernfs_notify_workfn+0xf0/0x440
[  379.716393]  process_one_work+0xc90/0x1c40
[  379.720632]  ? mark_held_locks+0x130/0x130
[  379.724894]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  379.729586]  ? __switch_to_asm+0x40/0x70
[  379.733691]  ? __switch_to_asm+0x34/0x70
[  379.737753]  ? __switch_to_asm+0x40/0x70
[  379.742119]  ? __switch_to_asm+0x34/0x70
[  379.746180]  ? __switch_to_asm+0x40/0x70
[  379.750244]  ? __switch_to_asm+0x34/0x70
[  379.754305]  ? __switch_to_asm+0x40/0x70
[  379.758370]  ? __switch_to_asm+0x34/0x70
[  379.762436]  ? __switch_to_asm+0x40/0x70
[  379.766516]  ? __schedule+0x8d7/0x21d0
[  379.770422]  ? lock_downgrade+0x900/0x900
[  379.774580]  ? zap_class+0x640/0x640
[  379.778301]  ? zap_class+0x640/0x640
[  379.782025]  ? find_held_lock+0x36/0x1c0
[  379.786098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.790710]  ? lock_acquire+0x1ed/0x520
[  379.794701]  ? worker_thread+0x3e0/0x1390
[  379.798872]  ? kasan_check_read+0x11/0x20
[  379.803023]  ? do_raw_spin_lock+0x14f/0x350
[  379.807350]  ? kasan_check_read+0x11/0x20
[  379.811507]  ? rwlock_bug.part.2+0x90/0x90
[  379.815772]  ? trace_hardirqs_on+0x310/0x310
[  379.820217]  worker_thread+0x17f/0x1390
[  379.824197]  ? __switch_to_asm+0x34/0x70
[  379.828277]  ? process_one_work+0x1c40/0x1c40
[  379.832808]  ? zap_class+0x640/0x640
[  379.836557]  ? __kthread_parkme+0xce/0x1a0
[  379.840803]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.845930]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  379.851071]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.855682]  ? trace_hardirqs_on+0xbd/0x310
[  379.860013]  ? kasan_check_read+0x11/0x20
[  379.864189]  ? __kthread_parkme+0xce/0x1a0
[  379.868429]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.873543]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.878682]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.883799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.889345]  ? __kthread_parkme+0xfb/0x1a0
[  379.893608]  ? process_one_work+0x1c40/0x1c40
[  379.898125]  kthread+0x35a/0x440
[  379.901510]  ? kthread_stop+0x900/0x900
[  379.905512]  ret_from_fork+0x3a/0x50
[  379.909256] warn_alloc_show_mem: 1 callbacks suppressed
[  379.909268] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  379.909270] Mem-Info:
[  379.909302] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  379.909302]  active_file:9 inactive_file:10 isolated_file:8
[  379.909302]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.909302]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  379.909302]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  379.909302]  free:13786 free_pcp:282 free_cma:0
[  379.914669] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.921738] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.924151] Call Trace:
[  379.957136] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  379.966524]  <IRQ>
[  379.994375] lowmem_reserve[]: 0 2818 6321 6321
[  379.996971]  dump_stack+0x244/0x39d
[  380.023063] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  380.025229]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.029772] lowmem_reserve[]: 0 0 3503 3503
[  380.033435]  warn_alloc.cold.116+0xb7/0x1bd
[  380.060738] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  380.065950]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.070244] lowmem_reserve[]: 0 0 0 0
[  380.074567]  ? lock_downgrade+0x900/0x900
[  380.103462] 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
[  380.108317]  ? trace_hardirqs_off+0xb8/0x310
[  380.112086] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  380.116250]  ? trace_hardirqs_off+0xb8/0x310
[  380.129759] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  380.134207]  __alloc_pages_slowpath+0x2651/0x2de0
[  380.149366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  380.153801]  ? warn_alloc+0x120/0x120
[  380.168770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  380.173626]  ? print_usage_bug+0xc0/0xc0
[  380.182445] 4366 total pagecache pages
[  380.186250]  ? warn_alloc+0x120/0x120
[  380.194809] 0 pages in swap cache
[  380.198871]  ? warn_alloc+0x120/0x120
[  380.202740] Swap cache stats: add 0, delete 0, find 0/0
[  380.206533]  ? print_usage_bug+0xc0/0xc0
[  380.209961] Free swap  = 0kB
[  380.213760]  ? print_usage_bug+0xc0/0xc0
[  380.219112] Total swap = 0kB
[  380.223183]  ? __lock_acquire+0x62f/0x4c20
[  380.226175] 1965979 pages RAM
[  380.230238]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.233231] 0 pages HighMem/MovableOnly
[  380.237464]  ? should_fail+0x22d/0xd01
[  380.240545] 342854 pages reserved
[  380.246100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.250051] 0 pages cma reserved
[  380.253940]  ? __lock_acquire+0x62f/0x4c20
[  380.257424] aoe: skb alloc failure
[  380.262468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.262499]  ? __lock_acquire+0x62f/0x4c20
[  380.262514]  ? should_fail+0x22d/0xd01
[  380.265929] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.270124]  ? find_held_lock+0x36/0x1c0
[  380.273677] kworker/0:2 cpuset=/ mems_allowed=0
[  380.278782]  ? mark_held_locks+0x130/0x130
[  380.310109]  ? mark_held_locks+0x130/0x130
[  380.314347]  ? zap_class+0x640/0x640
[  380.318064]  ? zap_class+0x640/0x640
[  380.321788]  ? print_usage_bug+0xc0/0xc0
[  380.325854]  ? do_raw_spin_unlock+0xa7/0x330
[  380.330282]  ? zap_class+0x640/0x640
[  380.334020]  ? print_usage_bug+0xc0/0xc0
[  380.338086]  ? wq_watchdog_touch+0x9c/0xfe
[  380.342332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.347885]  ? check_preemption_disabled+0x48/0x280
[  380.352928]  ? __lock_is_held+0xb5/0x140
[  380.357005]  __alloc_pages_nodemask+0xad8/0xea0
[  380.361693]  ? zap_class+0x640/0x640
[  380.365427]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  380.370470]  ? find_held_lock+0x36/0x1c0
[  380.374552]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.379235]  ? lock_downgrade+0x900/0x900
[  380.383395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.388981]  cache_grow_begin+0xa5/0x8c0
[  380.393050]  ? do_raw_spin_unlock+0xa7/0x330
[  380.397487]  fallback_alloc+0x204/0x2e0
[  380.401494]  ____cache_alloc_node+0x1c7/0x1e0
[  380.406004]  kmem_cache_alloc_node+0xe3/0x730
[  380.410519]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.414779]  __alloc_skb+0x119/0x770
[  380.418499]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.423788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.428203]  ? lock_downgrade+0x900/0x900
[  380.432360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.437905]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.443389]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.448853]  ? addrconf_rs_timer+0x690/0x690
[  380.453292]  ndisc_alloc_skb+0x144/0x340
[  380.457361]  ndisc_send_rs+0x331/0x6e0
[  380.461258]  addrconf_rs_timer+0x314/0x690
[  380.465520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.469774]  call_timer_fn+0x272/0x920
[  380.473687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.477941]  ? process_timeout+0x40/0x40
[  380.482024]  ? mark_held_locks+0xc7/0x130
[  380.486193]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.490695]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.495197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.499473]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.504060]  ? trace_hardirqs_on+0xbd/0x310
[  380.508385]  ? kasan_check_read+0x11/0x20
[  380.512542]  ? __run_timers+0x7da/0xc70
[  380.516520]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.521635]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.525893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.530143]  __run_timers+0x7e5/0xc70
[  380.533958]  ? timer_fixup_init+0x70/0x70
[  380.538114]  ? kasan_check_read+0x11/0x20
[  380.542270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.547554]  ? rcu_softirq_qs+0x20/0x20
[  380.551540]  ? mark_held_locks+0xc7/0x130
[  380.555703]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.560486]  ? retint_kernel+0x2d/0x2d
[  380.564382]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.569323]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.574088]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.579547]  ? zap_class+0x640/0x640
[  380.583297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.588847]  ? check_preemption_disabled+0x48/0x280
[  380.593881]  ? __lock_is_held+0xb5/0x140
[  380.597949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.603513]  ? check_preemption_disabled+0x48/0x280
[  380.608557]  run_timer_softirq+0x52/0xb0
[  380.612907]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.617931]  __do_softirq+0x308/0xb7e
[  380.621745]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.626264]  ? lock_downgrade+0x900/0x900
[  380.630449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.635570]  ? pvclock_read_flags+0x160/0x160
[  380.640074]  ? lapic_next_event+0x5a/0x90
[  380.644232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.649787]  ? kvm_clock_read+0x18/0x30
[  380.653766]  ? kvm_sched_clock_read+0x9/0x20
[  380.658184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.663733]  ? check_preemption_disabled+0x48/0x280
[  380.668769]  irq_exit+0x17f/0x1c0
[  380.672229]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.677085]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.682978]  ? interrupt_entry+0xb5/0xc0
[  380.687048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.692088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.697124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.701992]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.707008]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.712044]  ? task_prio+0x50/0x50
[  380.715604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.721155]  ? check_preemption_disabled+0x48/0x280
[  380.726189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.731046]  apic_timer_interrupt+0xf/0x20
[  380.735304]  </IRQ>
[  380.737548] RIP: 0010:dump_stack+0x358/0x39d
[  380.741957] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  380.760872] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  380.768597] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  380.775879] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  380.783156] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  380.790450] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  380.797764] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  380.805095]  ? dump_stack+0x34f/0x39d
[  380.808921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.814126]  ? mark_held_locks+0x130/0x130
[  380.818369]  ? mark_held_locks+0x130/0x130
[  380.822627]  dump_header+0x27b/0xf72
[  380.826365]  ? pagefault_out_of_memory+0x197/0x197
[  380.831311]  ? __lock_acquire+0x62f/0x4c20
[  380.835551]  ? percpu_ref_get_many+0x240/0x240
[  380.840157]  ? print_usage_bug+0xc0/0xc0
[  380.844230]  ? zap_class+0x640/0x640
[  380.847971]  ? print_usage_bug+0xc0/0xc0
[  380.852064]  ? print_usage_bug+0xc0/0xc0
[  380.856134]  ? zap_class+0x640/0x640
[  380.859856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.865405]  ? find_held_lock+0x36/0x1c0
[  380.869513]  ? mark_held_locks+0xc7/0x130
[  380.873691]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.878804]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  380.883916]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.888507]  ? trace_hardirqs_on+0xbd/0x310
[  380.892850]  ? kasan_check_read+0x11/0x20
[  380.897013]  ? ___ratelimit+0x3b4/0x672
[  380.900995]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.906106]  ? trace_hardirqs_on+0x310/0x310
[  380.910523]  ? lock_downgrade+0x900/0x900
[  380.914688]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  380.919804]  ? ___ratelimit+0x3b9/0x672
[  380.923803]  ? idr_get_free+0xf70/0xf70
[  380.927788]  ? find_held_lock+0x36/0x1c0
[  380.931865]  oom_kill_process.cold.27+0x10/0x903
[  380.936651]  ? zap_class+0x640/0x640
[  380.940390]  ? check_preemption_disabled+0x48/0x280
[  380.945433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.950371]  ? kasan_check_read+0x11/0x20
[  380.954533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.959823]  ? oom_evaluate_task+0x540/0x540
[  380.964244]  ? find_held_lock+0x36/0x1c0
[  380.968319]  ? out_of_memory+0x974/0x1430
[  380.972474]  ? lock_downgrade+0x900/0x900
[  380.976666]  ? check_preemption_disabled+0x48/0x280
[  380.981731]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  380.986677]  ? kasan_check_read+0x11/0x20
[  380.990841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.996124]  ? rcu_softirq_qs+0x20/0x20
[  381.000111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.005657]  ? oom_evaluate_task+0x302/0x540
[  381.010085]  out_of_memory+0xa84/0x1430
[  381.014081]  ? oom_killer_disable+0x3a0/0x3a0
[  381.018584]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  381.023529]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.028561]  __alloc_pages_slowpath+0x232c/0x2de0
[  381.033462]  ? warn_alloc+0x120/0x120
[  381.037267]  ? mark_held_locks+0x130/0x130
[  381.041528]  ? find_get_entry+0xaae/0x1120
[  381.045794]  ? filemap_map_pages+0x1a20/0x1a20
[  381.050387]  ? zap_class+0x640/0x640
[  381.054138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.059693]  ? check_preemption_disabled+0x48/0x280
[  381.064739]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.070285]  ? should_fail+0x22d/0xd01
[  381.074182]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.079299]  ? zap_class+0x640/0x640
[  381.083045]  ? __lock_is_held+0xb5/0x140
[  381.087119]  ? mark_held_locks+0x130/0x130
[  381.091362]  ? lock_release+0xa00/0xa00
[  381.095341]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.100806]  ? xa_load+0x2ba/0x460
[  381.104352]  ? lock_downgrade+0x900/0x900
[  381.108510]  ? __might_sleep+0x95/0x190
[  381.112497]  __alloc_pages_nodemask+0xad8/0xea0
[  381.117191]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  381.122228]  ? __page_cache_alloc+0x191/0x5c0
[  381.126743]  ? xa_load+0x2e1/0x460
[  381.130285]  ? xa_clear_mark+0x40/0x40
[  381.134193]  ? zap_class+0x640/0x640
[  381.137918]  ? zap_class+0x640/0x640
[  381.141676]  ? zap_class+0x640/0x640
[  381.145403]  ? __do_page_cache_readahead+0x663/0x810
[  381.150536]  ? find_held_lock+0x36/0x1c0
[  381.154618]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.160166]  alloc_pages_current+0x173/0x350
[  381.164619]  __page_cache_alloc+0x38c/0x5c0
[  381.168964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.173898]  ? kasan_check_read+0x11/0x20
[  381.178065]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.183350]  ? generic_perform_write+0x6a0/0x6a0
[  381.188118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.193668]  ? check_preemption_disabled+0x48/0x280
[  381.198706]  filemap_fault+0x1595/0x25f0
[  381.202821]  ? __lock_page_or_retry+0xa00/0xa00
[  381.207500]  ? mark_held_locks+0x130/0x130
[  381.211764]  ? filemap_map_pages+0xd6b/0x1a20
[  381.216268]  ? lock_downgrade+0x900/0x900
[  381.220446]  ? check_preemption_disabled+0x48/0x280
[  381.225492]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.230437]  ? kasan_check_read+0x11/0x20
[  381.234591]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.239877]  ? rcu_softirq_qs+0x20/0x20
[  381.243900]  ? filemap_map_pages+0xd92/0x1a20
[  381.248448]  ? find_get_entries_tag+0x1400/0x1400
[  381.253304]  ? debug_object_destroy+0x2b0/0x2b0
[  381.257994]  ? lock_pi_update_atomic+0x150/0x150
[  381.262757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.268361]  ? lock_acquire+0x1ed/0x520
[  381.272340]  ? ext4_filemap_fault+0x7a/0xad
[  381.276682]  ? lock_release+0xa00/0xa00
[  381.280668]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.286133]  ? print_usage_bug+0xc0/0xc0
[  381.290198]  ? print_usage_bug+0xc0/0xc0
[  381.294294]  ? down_read+0x8d/0x120
[  381.297936]  ? ext4_filemap_fault+0x7a/0xad
[  381.302272]  ? __down_interruptible+0x700/0x700
[  381.306961]  ext4_filemap_fault+0x82/0xad
[  381.311115]  __do_fault+0x100/0x6b0
[  381.314750]  ? pmd_devmap_trans_unstable+0x220/0x220
[  381.319863]  ? mark_held_locks+0x130/0x130
[  381.324106]  ? mark_held_locks+0x130/0x130
[  381.328350]  ? __might_fault+0x12b/0x1e0
[  381.332436]  ? lock_downgrade+0x900/0x900
[  381.336619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.342186]  __handle_mm_fault+0x3ea0/0x5be0
[  381.346611]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  381.351464]  ? _copy_to_user+0xc8/0x110
[  381.355472]  ? zap_class+0x640/0x640
[  381.359281]  ? zap_class+0x640/0x640
[  381.363004]  ? __x64_sys_futex+0x53e/0x6a0
[  381.367254]  ? find_held_lock+0x36/0x1c0
[  381.371340]  ? handle_mm_fault+0x42a/0xc70
[  381.375594]  ? lock_downgrade+0x900/0x900
[  381.379755]  ? check_preemption_disabled+0x48/0x280
[  381.384788]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.389728]  ? kasan_check_read+0x11/0x20
[  381.393890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.399196]  ? rcu_softirq_qs+0x20/0x20
[  381.403185]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.408300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.413858]  ? check_preemption_disabled+0x48/0x280
[  381.418892]  handle_mm_fault+0x54f/0xc70
[  381.422967]  ? __handle_mm_fault+0x5be0/0x5be0
[  381.427576]  ? find_vma+0x34/0x190
[  381.431141]  __do_page_fault+0x5e8/0xe60
[  381.435230]  ? trace_hardirqs_off+0xb8/0x310
[  381.439667]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.445253]  do_page_fault+0xf2/0x7e0
[  381.449104]  ? vmalloc_sync_all+0x30/0x30
[  381.453257]  ? error_entry+0x70/0xd0
[  381.456977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.462005]  ? trace_hardirqs_on_caller+0xc0/0x310
[  381.466955]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.471890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.476744]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.481771]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.487250]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  381.492288]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.497315]  ? page_fault+0x8/0x30
[  381.500869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.505734]  ? page_fault+0x8/0x30
[  381.509295]  page_fault+0x1e/0x30
[  381.512754] RIP: 0033:0x45ddf3
[  381.515963] Code: Bad RIP value.
[  381.519330] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  381.524703] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  381.531995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  381.539281] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  381.546560] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  381.553838] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  381.561176] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  381.561237] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  381.568289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.568310] Workqueue: events kernfs_notify_workfn
[  381.574936] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  381.584139] Call Trace:
[  381.589066] syz-fuzzer cpuset=/ mems_allowed=0
[  381.599292]  <IRQ>
[  381.608596]  dump_stack+0x244/0x39d
[  381.612263]  ? dump_stack_print_info.cold.1+0x20/0x20
[  381.617478]  warn_alloc.cold.116+0xb7/0x1bd
[  381.621825]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.626692]  ? lock_downgrade+0x900/0x900
[  381.630853]  ? trace_hardirqs_off+0xb8/0x310
[  381.635287]  ? trace_hardirqs_off+0xb8/0x310
[  381.639713]  __alloc_pages_slowpath+0x2651/0x2de0
[  381.644591]  ? warn_alloc+0x120/0x120
[  381.648403]  ? warn_alloc+0x120/0x120
[  381.652214]  ? __lock_acquire+0x62f/0x4c20
[  381.656458]  ? warn_alloc+0x120/0x120
[  381.660270]  ? print_usage_bug+0xc0/0xc0
[  381.664336]  ? print_usage_bug+0xc0/0xc0
[  381.668422]  ? mark_held_locks+0x130/0x130
[  381.672676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.678220]  ? should_fail+0x22d/0xd01
[  381.682118]  ? zap_class+0x640/0x640
[  381.685849]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.690971]  ? __lock_acquire+0x62f/0x4c20
[  381.695218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.700325]  ? should_fail+0x22d/0xd01
[  381.704242]  ? mark_held_locks+0x130/0x130
[  381.708484]  ? mark_held_locks+0x130/0x130
[  381.712727]  ? lock_downgrade+0x900/0x900
[  381.716880]  ? zap_class+0x640/0x640
[  381.720597]  ? zap_class+0x640/0x640
[  381.724336]  ? zap_class+0x640/0x640
[  381.728049]  ? do_raw_spin_unlock+0xa7/0x330
[  381.732480]  ? trace_hardirqs_on+0x310/0x310
[  381.736902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.742769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.748333]  ? check_preemption_disabled+0x48/0x280
[  381.753397]  ? __lock_is_held+0xb5/0x140
[  381.757477]  __alloc_pages_nodemask+0xad8/0xea0
[  381.762156]  ? zap_class+0x640/0x640
[  381.765897]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  381.770955]  ? find_held_lock+0x36/0x1c0
[  381.775047]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.779741]  ? lock_downgrade+0x900/0x900
[  381.783900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.789461]  cache_grow_begin+0xa5/0x8c0
[  381.793528]  ? do_raw_spin_unlock+0xa7/0x330
[  381.797985]  fallback_alloc+0x204/0x2e0
[  381.802016]  ____cache_alloc_node+0x1c7/0x1e0
[  381.806592]  kmem_cache_alloc_node+0xe3/0x730
[  381.811114]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.815718]  __alloc_skb+0x119/0x770
[  381.819435]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  381.824810]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.829246]  ? vprintk_default+0x28/0x30
[  381.833328]  ? vprintk_func+0x85/0x181
[  381.837229]  ? printk+0xa7/0xcf
[  381.840524]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  381.845290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.850838]  new_skb+0x26/0x1c0
[  381.854150]  aoecmd_cfg+0x279/0x7f0
[  381.857786]  ? find_held_lock+0x36/0x1c0
[  381.861856]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  381.866191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.871774]  ? __lock_is_held+0xb5/0x140
[  381.875877]  discover_timer+0x50/0x60
[  381.879712]  call_timer_fn+0x272/0x920
[  381.883610]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  381.888458]  ? process_timeout+0x40/0x40
[  381.892537]  ? mark_held_locks+0xc7/0x130
[  381.896698]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.901202]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.905704]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  381.910555]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.915143]  ? trace_hardirqs_on+0xbd/0x310
[  381.919472]  ? kasan_check_read+0x11/0x20
[  381.923639]  ? __run_timers+0x7da/0xc70
[  381.927647]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.932778]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  381.937630]  __run_timers+0x7e5/0xc70
[  381.941467]  ? timer_fixup_init+0x70/0x70
[  381.945642]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.950683]  ? zap_class+0x640/0x640
[  381.954409]  ? print_usage_bug+0xc0/0xc0
[  381.958481]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.963698]  ? find_held_lock+0x36/0x1c0
[  381.967770]  ? zap_class+0x640/0x640
[  381.971514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.977061]  ? check_preemption_disabled+0x48/0x280
[  381.982115]  ? __lock_is_held+0xb5/0x140
[  381.986183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.991754]  ? check_preemption_disabled+0x48/0x280
[  381.996793]  run_timer_softirq+0x52/0xb0
[  382.000860]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.005887]  __do_softirq+0x308/0xb7e
[  382.009708]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.014222]  ? lock_downgrade+0x900/0x900
[  382.018380]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.023516]  ? pvclock_read_flags+0x160/0x160
[  382.028021]  ? lapic_next_event+0x5a/0x90
[  382.032174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.037730]  ? kvm_clock_read+0x18/0x30
[  382.041710]  ? kvm_sched_clock_read+0x9/0x20
[  382.046134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.051703]  ? check_preemption_disabled+0x48/0x280
[  382.056740]  irq_exit+0x17f/0x1c0
[  382.060206]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.065058]  ? smp_reschedule_interrupt+0x109/0x650
[  382.070112]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.076004]  ? interrupt_entry+0xb5/0xc0
[  382.080074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.085114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.090140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.095038]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.100066]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.105119]  ? task_prio+0x50/0x50
[  382.108672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.114221]  ? check_preemption_disabled+0x48/0x280
[  382.119251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.124109]  apic_timer_interrupt+0xf/0x20
[  382.128340]  </IRQ>
[  382.130584] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  382.135257] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  382.154185] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.161905] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  382.169199] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  382.176488] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  382.183767] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  382.191048] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  382.198394]  ? mark_held_locks+0x130/0x130
[  382.202646]  ? kernfs_notify_workfn+0xf0/0x440
[  382.207263]  ? mark_held_locks+0x130/0x130
[  382.211528]  ? set_next_entity+0x493/0xc70
[  382.215774]  ? mutex_trylock+0x2b0/0x2b0
[  382.219872]  ? update_load_avg+0x2470/0x2470
[  382.224293]  ? zap_class+0x640/0x640
[  382.228020]  ? zap_class+0x640/0x640
[  382.231740]  ? print_usage_bug+0xc0/0xc0
[  382.235819]  ? find_held_lock+0x36/0x1c0
[  382.239896]  ? mark_held_locks+0xc7/0x130
[  382.244074]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.248591]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.253093]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.257687]  ? trace_hardirqs_on+0xbd/0x310
[  382.262017]  ? kasan_check_read+0x11/0x20
[  382.266170]  ? kernfs_notify_workfn+0xe2/0x440
[  382.270769]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.275894]  mutex_lock_nested+0x16/0x20
[  382.279960]  ? _raw_spin_unlock_irq+0x60/0x80
[  382.284480]  ? mutex_lock_nested+0x16/0x20
[  382.288765]  kernfs_notify_workfn+0xf0/0x440
[  382.293191]  process_one_work+0xc90/0x1c40
[  382.297435]  ? mark_held_locks+0x130/0x130
[  382.301698]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  382.306374]  ? __switch_to_asm+0x40/0x70
[  382.310464]  ? __switch_to_asm+0x34/0x70
[  382.314524]  ? __switch_to_asm+0x40/0x70
[  382.318583]  ? __switch_to_asm+0x34/0x70
[  382.322646]  ? __switch_to_asm+0x40/0x70
[  382.326716]  ? __switch_to_asm+0x34/0x70
[  382.330782]  ? __switch_to_asm+0x40/0x70
[  382.334846]  ? __switch_to_asm+0x34/0x70
[  382.338910]  ? __switch_to_asm+0x40/0x70
[  382.343006]  ? __schedule+0x8d7/0x21d0
[  382.346904]  ? lock_downgrade+0x900/0x900
[  382.351101]  ? zap_class+0x640/0x640
[  382.354816]  ? zap_class+0x640/0x640
[  382.358544]  ? find_held_lock+0x36/0x1c0
[  382.362614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.367216]  ? lock_acquire+0x1ed/0x520
[  382.371193]  ? worker_thread+0x3e0/0x1390
[  382.375359]  ? kasan_check_read+0x11/0x20
[  382.379515]  ? do_raw_spin_lock+0x14f/0x350
[  382.383846]  ? kasan_check_read+0x11/0x20
[  382.388000]  ? rwlock_bug.part.2+0x90/0x90
[  382.392240]  ? trace_hardirqs_on+0x310/0x310
[  382.396689]  worker_thread+0x17f/0x1390
[  382.400682]  ? __switch_to_asm+0x34/0x70
[  382.404791]  ? process_one_work+0x1c40/0x1c40
[  382.409301]  ? zap_class+0x640/0x640
[  382.413052]  ? __kthread_parkme+0xce/0x1a0
[  382.417295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  382.422405]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  382.427517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.432105]  ? trace_hardirqs_on+0xbd/0x310
[  382.436433]  ? kasan_check_read+0x11/0x20
[  382.440587]  ? __kthread_parkme+0xce/0x1a0
[  382.444829]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.449944]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.455081]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  382.460198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.465745]  ? __kthread_parkme+0xfb/0x1a0
[  382.470015]  ? process_one_work+0x1c40/0x1c40
[  382.474545]  kthread+0x35a/0x440
[  382.477917]  ? kthread_stop+0x900/0x900
[  382.481909]  ret_from_fork+0x3a/0x50
[  382.485640] warn_alloc_show_mem: 1 callbacks suppressed
[  382.485653] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  382.485654] Mem-Info:
[  382.485695] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  382.485695]  active_file:9 inactive_file:10 isolated_file:8
[  382.485695]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.485695]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  382.485695]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  382.485695]  free:13786 free_pcp:282 free_cma:0
[  382.491047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.491056] Call Trace:
[  382.498087] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.500492]  <IRQ>
[  382.533455] 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
[  382.542829]  dump_stack+0x244/0x39d
[  382.545389] lowmem_reserve[]: 0 2818 6321 6321
[  382.573377]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.575497] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  382.601625]  warn_alloc.cold.116+0xb7/0x1bd
[  382.605219] lowmem_reserve[]: 0 0 3503 3503
[  382.610162]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.615330] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  382.642691]  ? lock_downgrade+0x900/0x900
[  382.646987] lowmem_reserve[]: 0 0 0 0
[  382.651312]  ? trace_hardirqs_off+0xb8/0x310
[  382.656132] 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
[  382.685037]  ? trace_hardirqs_off+0xb8/0x310
[  382.689158] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  382.692967]  __alloc_pages_slowpath+0x2651/0x2de0
[  382.697351] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  382.711051]  ? warn_alloc+0x120/0x120
[  382.715435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.730618]  ? print_usage_bug+0xc0/0xc0
[  382.735456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.750467]  ? warn_alloc+0x120/0x120
[  382.754250] 4366 total pagecache pages
[  382.763100]  ? warn_alloc+0x120/0x120
[  382.767145] 0 pages in swap cache
[  382.775726]  ? print_usage_bug+0xc0/0xc0
[  382.779499] Swap cache stats: add 0, delete 0, find 0/0
[  382.779508] Free swap  = 0kB
[  382.783392]  ? kvm_clock_read+0x18/0x30
[  382.787174] Total swap = 0kB
[  382.790625]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.794689] 1965979 pages RAM
[  382.800116]  ? print_usage_bug+0xc0/0xc0
[  382.803100] 0 pages HighMem/MovableOnly
[  382.803108] 342854 pages reserved
[  382.807079]  ? __lock_acquire+0x62f/0x4c20
[  382.810073] 0 pages cma reserved
[  382.815108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.818245] aoe: skb alloc failure
[  382.822255]  ? should_fail+0x22d/0xd01
[  382.822269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.822285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.826272] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.829697]  ? __lock_acquire+0x62f/0x4c20
[  382.833949] kworker/0:2 cpuset=/ mems_allowed=0
[  382.837310]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.884975]  ? __lock_acquire+0x62f/0x4c20
[  382.889226]  ? should_fail+0x22d/0xd01
[  382.893113]  ? rcu_irq_exit+0x1a2/0x390
[  382.897106]  ? mark_held_locks+0x130/0x130
[  382.901351]  ? mark_held_locks+0x130/0x130
[  382.905598]  ? mark_held_locks+0xc7/0x130
[  382.909753]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  382.914797]  ? zap_class+0x640/0x640
[  382.918526]  ? print_usage_bug+0xc0/0xc0
[  382.922606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.928157]  ? check_preemption_disabled+0x48/0x280
[  382.933197]  ? __lock_is_held+0xb5/0x140
[  382.937271]  __alloc_pages_nodemask+0xad8/0xea0
[  382.941948]  ? zap_class+0x640/0x640
[  382.945685]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  382.950723]  ? find_held_lock+0x36/0x1c0
[  382.954799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.959480]  ? lock_downgrade+0x900/0x900
[  382.963646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.969208]  cache_grow_begin+0xa5/0x8c0
[  382.973276]  ? do_raw_spin_unlock+0xa7/0x330
[  382.977713]  fallback_alloc+0x204/0x2e0
[  382.981704]  ____cache_alloc_node+0x1c7/0x1e0
[  382.986234]  kmem_cache_alloc_node+0xe3/0x730
[  382.990739]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.994987]  __alloc_skb+0x119/0x770
[  382.998704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.004012]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.008432]  ? lock_downgrade+0x900/0x900
[  383.012599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.018144]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.023608]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.029069]  ? addrconf_rs_timer+0x690/0x690
[  383.033516]  ndisc_alloc_skb+0x144/0x340
[  383.037589]  ndisc_send_rs+0x331/0x6e0
[  383.041487]  addrconf_rs_timer+0x314/0x690
[  383.045740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.050008]  call_timer_fn+0x272/0x920
[  383.053919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.058172]  ? process_timeout+0x40/0x40
[  383.062247]  ? mark_held_locks+0xc7/0x130
[  383.066403]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.070906]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.075412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.079673]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.084269]  ? trace_hardirqs_on+0xbd/0x310
[  383.088599]  ? kasan_check_read+0x11/0x20
[  383.092754]  ? __run_timers+0x7da/0xc70
[  383.096751]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.101888]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.106137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.110375]  __run_timers+0x7e5/0xc70
[  383.114199]  ? timer_fixup_init+0x70/0x70
[  383.118378]  ? kasan_check_read+0x11/0x20
[  383.122535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.127832]  ? rcu_softirq_qs+0x20/0x20
[  383.131833]  ? mark_held_locks+0xc7/0x130
[  383.135994]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.140759]  ? retint_kernel+0x2d/0x2d
[  383.144651]  ? trace_hardirqs_on_caller+0xc0/0x310
[  383.149602]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.154384]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.159851]  ? zap_class+0x640/0x640
[  383.163579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.169124]  ? check_preemption_disabled+0x48/0x280
[  383.174159]  ? __lock_is_held+0xb5/0x140
[  383.178236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.183790]  ? check_preemption_disabled+0x48/0x280
[  383.188825]  run_timer_softirq+0x52/0xb0
[  383.192895]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.197938]  __do_softirq+0x308/0xb7e
[  383.201768]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.206284]  ? lock_downgrade+0x900/0x900
[  383.210451]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.215569]  ? pvclock_read_flags+0x160/0x160
[  383.220085]  ? lapic_next_event+0x5a/0x90
[  383.224258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.229810]  ? kvm_clock_read+0x18/0x30
[  383.233787]  ? kvm_sched_clock_read+0x9/0x20
[  383.238207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.243769]  ? check_preemption_disabled+0x48/0x280
[  383.248801]  irq_exit+0x17f/0x1c0
[  383.252274]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.257138]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.263027]  ? interrupt_entry+0xb5/0xc0
[  383.267102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.272123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.277158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.282010]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.287029]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.292067]  ? task_prio+0x50/0x50
[  383.295634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.301188]  ? check_preemption_disabled+0x48/0x280
[  383.306221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.311082]  apic_timer_interrupt+0xf/0x20
[  383.315314]  </IRQ>
[  383.317575] RIP: 0010:dump_stack+0x358/0x39d
[  383.321990] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  383.340939] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.348694] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  383.355986] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  383.363281] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  383.370556] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  383.377853] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  383.385169]  ? dump_stack+0x34f/0x39d
[  383.389013]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.394215]  ? mark_held_locks+0x130/0x130
[  383.398456]  ? mark_held_locks+0x130/0x130
[  383.402736]  dump_header+0x27b/0xf72
[  383.406472]  ? pagefault_out_of_memory+0x197/0x197
[  383.411417]  ? __lock_acquire+0x62f/0x4c20
[  383.415677]  ? percpu_ref_get_many+0x240/0x240
[  383.420276]  ? print_usage_bug+0xc0/0xc0
[  383.424351]  ? zap_class+0x640/0x640
[  383.428101]  ? print_usage_bug+0xc0/0xc0
[  383.432164]  ? print_usage_bug+0xc0/0xc0
[  383.436234]  ? zap_class+0x640/0x640
[  383.439977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.445528]  ? find_held_lock+0x36/0x1c0
[  383.449616]  ? mark_held_locks+0xc7/0x130
[  383.453783]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.458889]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  383.464004]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.468611]  ? trace_hardirqs_on+0xbd/0x310
[  383.472939]  ? kasan_check_read+0x11/0x20
[  383.477093]  ? ___ratelimit+0x3b4/0x672
[  383.481079]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.486208]  ? trace_hardirqs_on+0x310/0x310
[  383.490656]  ? lock_downgrade+0x900/0x900
[  383.494826]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  383.499944]  ? ___ratelimit+0x3b9/0x672
[  383.503934]  ? idr_get_free+0xf70/0xf70
[  383.507932]  ? find_held_lock+0x36/0x1c0
[  383.512019]  oom_kill_process.cold.27+0x10/0x903
[  383.516782]  ? zap_class+0x640/0x640
[  383.520516]  ? check_preemption_disabled+0x48/0x280
[  383.525562]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.530526]  ? kasan_check_read+0x11/0x20
[  383.534687]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.539974]  ? oom_evaluate_task+0x540/0x540
[  383.544440]  ? find_held_lock+0x36/0x1c0
[  383.548514]  ? out_of_memory+0x974/0x1430
[  383.552677]  ? lock_downgrade+0x900/0x900
[  383.556836]  ? check_preemption_disabled+0x48/0x280
[  383.561861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.566797]  ? kasan_check_read+0x11/0x20
[  383.570965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.576247]  ? rcu_softirq_qs+0x20/0x20
[  383.580287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.585833]  ? oom_evaluate_task+0x302/0x540
[  383.590272]  out_of_memory+0xa84/0x1430
[  383.594263]  ? oom_killer_disable+0x3a0/0x3a0
[  383.598784]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  383.603772]  ? __ww_mutex_check_waiters+0x160/0x160
[  383.608810]  __alloc_pages_slowpath+0x232c/0x2de0
[  383.613728]  ? warn_alloc+0x120/0x120
[  383.617539]  ? mark_held_locks+0x130/0x130
[  383.621788]  ? find_get_entry+0xaae/0x1120
[  383.626035]  ? filemap_map_pages+0x1a20/0x1a20
[  383.630629]  ? zap_class+0x640/0x640
[  383.634380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.639950]  ? check_preemption_disabled+0x48/0x280
[  383.645032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.650576]  ? should_fail+0x22d/0xd01
[  383.654475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.659591]  ? zap_class+0x640/0x640
[  383.663349]  ? __lock_is_held+0xb5/0x140
[  383.667435]  ? mark_held_locks+0x130/0x130
[  383.671689]  ? lock_release+0xa00/0xa00
[  383.675676]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.681150]  ? xa_load+0x2ba/0x460
[  383.684712]  ? lock_downgrade+0x900/0x900
[  383.688889]  ? __might_sleep+0x95/0x190
[  383.692875]  __alloc_pages_nodemask+0xad8/0xea0
[  383.697557]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  383.702583]  ? __page_cache_alloc+0x191/0x5c0
[  383.707085]  ? xa_load+0x2e1/0x460
[  383.710632]  ? xa_clear_mark+0x40/0x40
[  383.714539]  ? zap_class+0x640/0x640
[  383.718266]  ? zap_class+0x640/0x640
[  383.722014]  ? zap_class+0x640/0x640
[  383.725749]  ? __do_page_cache_readahead+0x663/0x810
[  383.730879]  ? find_held_lock+0x36/0x1c0
[  383.734953]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  383.740507]  alloc_pages_current+0x173/0x350
[  383.745417]  __page_cache_alloc+0x38c/0x5c0
[  383.749769]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.754734]  ? kasan_check_read+0x11/0x20
[  383.758927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.764223]  ? generic_perform_write+0x6a0/0x6a0
[  383.768989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.774536]  ? check_preemption_disabled+0x48/0x280
[  383.779571]  filemap_fault+0x1595/0x25f0
[  383.783654]  ? __lock_page_or_retry+0xa00/0xa00
[  383.788344]  ? mark_held_locks+0x130/0x130
[  383.792598]  ? filemap_map_pages+0xd6b/0x1a20
[  383.797104]  ? lock_downgrade+0x900/0x900
[  383.801287]  ? check_preemption_disabled+0x48/0x280
[  383.806318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.811267]  ? kasan_check_read+0x11/0x20
[  383.815428]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.820712]  ? rcu_softirq_qs+0x20/0x20
[  383.824734]  ? filemap_map_pages+0xd92/0x1a20
[  383.829267]  ? find_get_entries_tag+0x1400/0x1400
[  383.834162]  ? debug_object_destroy+0x2b0/0x2b0
[  383.838869]  ? lock_pi_update_atomic+0x150/0x150
[  383.843646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.849233]  ? lock_acquire+0x1ed/0x520
[  383.853227]  ? ext4_filemap_fault+0x7a/0xad
[  383.857594]  ? lock_release+0xa00/0xa00
[  383.861573]  ? perf_trace_sched_process_exec+0x860/0x860
[  383.867063]  ? print_usage_bug+0xc0/0xc0
[  383.871131]  ? print_usage_bug+0xc0/0xc0
[  383.875209]  ? down_read+0x8d/0x120
[  383.878864]  ? ext4_filemap_fault+0x7a/0xad
[  383.883201]  ? __down_interruptible+0x700/0x700
[  383.887889]  ext4_filemap_fault+0x82/0xad
[  383.892044]  __do_fault+0x100/0x6b0
[  383.895703]  ? pmd_devmap_trans_unstable+0x220/0x220
[  383.900850]  ? mark_held_locks+0x130/0x130
[  383.905091]  ? mark_held_locks+0x130/0x130
[  383.909342]  ? __might_fault+0x12b/0x1e0
[  383.913413]  ? lock_downgrade+0x900/0x900
[  383.917577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.923134]  __handle_mm_fault+0x3ea0/0x5be0
[  383.927559]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  383.932415]  ? _copy_to_user+0xc8/0x110
[  383.936436]  ? zap_class+0x640/0x640
[  383.940164]  ? zap_class+0x640/0x640
[  383.943879]  ? __x64_sys_futex+0x53e/0x6a0
[  383.948125]  ? find_held_lock+0x36/0x1c0
[  383.952203]  ? handle_mm_fault+0x42a/0xc70
[  383.956462]  ? lock_downgrade+0x900/0x900
[  383.960624]  ? check_preemption_disabled+0x48/0x280
[  383.965668]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  383.970633]  ? kasan_check_read+0x11/0x20
[  383.974797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.980082]  ? rcu_softirq_qs+0x20/0x20
[  383.984060]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.989176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.994723]  ? check_preemption_disabled+0x48/0x280
[  383.999755]  handle_mm_fault+0x54f/0xc70
[  384.003866]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.008461]  ? find_vma+0x34/0x190
[  384.012010]  __do_page_fault+0x5e8/0xe60
[  384.016117]  ? trace_hardirqs_off+0xb8/0x310
[  384.020531]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  384.026084]  do_page_fault+0xf2/0x7e0
[  384.029894]  ? vmalloc_sync_all+0x30/0x30
[  384.034062]  ? error_entry+0x70/0xd0
[  384.037797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.042835]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.047772]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.052708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.057564]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.062589]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.068058]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  384.073093]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.078138]  ? page_fault+0x8/0x30
[  384.081707]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.086566]  ? page_fault+0x8/0x30
[  384.090119]  page_fault+0x1e/0x30
[  384.093578] RIP: 0033:0x45ddf3
[  384.096800] Code: Bad RIP value.
[  384.100182] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  384.105551] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  384.112845] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  384.120136] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  384.127548] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  384.134852] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  384.142156] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  384.142221] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.149268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.149290] Workqueue: events kernfs_notify_workfn
[  384.155889] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.165139] Call Trace:
[  384.170079] syz-fuzzer cpuset=/ mems_allowed=0
[  384.180302]  <IRQ>
[  384.189622]  dump_stack+0x244/0x39d
[  384.193274]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.198489]  warn_alloc.cold.116+0xb7/0x1bd
[  384.202837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.207710]  ? lock_downgrade+0x900/0x900
[  384.211874]  ? trace_hardirqs_off+0xb8/0x310
[  384.216297]  ? trace_hardirqs_off+0xb8/0x310
[  384.220736]  __alloc_pages_slowpath+0x2651/0x2de0
[  384.225617]  ? warn_alloc+0x120/0x120
[  384.229426]  ? warn_alloc+0x120/0x120
[  384.233234]  ? __lock_acquire+0x62f/0x4c20
[  384.237488]  ? warn_alloc+0x120/0x120
[  384.241299]  ? print_usage_bug+0xc0/0xc0
[  384.245369]  ? print_usage_bug+0xc0/0xc0
[  384.249437]  ? mark_held_locks+0x130/0x130
[  384.253709]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.259251]  ? should_fail+0x22d/0xd01
[  384.263138]  ? zap_class+0x640/0x640
[  384.266893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.272025]  ? __lock_acquire+0x62f/0x4c20
[  384.276271]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.281378]  ? should_fail+0x22d/0xd01
[  384.285300]  ? mark_held_locks+0x130/0x130
[  384.289551]  ? mark_held_locks+0x130/0x130
[  384.293789]  ? lock_downgrade+0x900/0x900
[  384.297946]  ? zap_class+0x640/0x640
[  384.301672]  ? zap_class+0x640/0x640
[  384.305396]  ? zap_class+0x640/0x640
[  384.309113]  ? do_raw_spin_unlock+0xa7/0x330
[  384.313564]  ? trace_hardirqs_on+0x310/0x310
[  384.317981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.323543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.329114]  ? check_preemption_disabled+0x48/0x280
[  384.334149]  ? __lock_is_held+0xb5/0x140
[  384.338227]  __alloc_pages_nodemask+0xad8/0xea0
[  384.342924]  ? zap_class+0x640/0x640
[  384.346674]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  384.351721]  ? find_held_lock+0x36/0x1c0
[  384.355799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.360496]  ? lock_downgrade+0x900/0x900
[  384.364666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.370249]  cache_grow_begin+0xa5/0x8c0
[  384.374317]  ? do_raw_spin_unlock+0xa7/0x330
[  384.378764]  fallback_alloc+0x204/0x2e0
[  384.382749]  ____cache_alloc_node+0x1c7/0x1e0
[  384.387282]  kmem_cache_alloc_node+0xe3/0x730
[  384.391782]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.396392]  __alloc_skb+0x119/0x770
[  384.400105]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  384.405485]  ? netdev_alloc_frag+0x1f0/0x1f0
[  384.409903]  ? vprintk_default+0x28/0x30
[  384.413973]  ? vprintk_func+0x85/0x181
[  384.417863]  ? printk+0xa7/0xcf
[  384.421143]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  384.425907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.431456]  new_skb+0x26/0x1c0
[  384.434744]  aoecmd_cfg+0x279/0x7f0
[  384.438376]  ? find_held_lock+0x36/0x1c0
[  384.442460]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  384.446802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.452354]  ? __lock_is_held+0xb5/0x140
[  384.456440]  discover_timer+0x50/0x60
[  384.460245]  call_timer_fn+0x272/0x920
[  384.464138]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  384.468982]  ? process_timeout+0x40/0x40
[  384.473060]  ? mark_held_locks+0xc7/0x130
[  384.477219]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.481723]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.486230]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  384.491098]  ? lockdep_hardirqs_on+0x296/0x5b0
[  384.495707]  ? trace_hardirqs_on+0xbd/0x310
[  384.500036]  ? kasan_check_read+0x11/0x20
[  384.504192]  ? __run_timers+0x7da/0xc70
[  384.508177]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.513306]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  384.518158]  __run_timers+0x7e5/0xc70
[  384.521985]  ? timer_fixup_init+0x70/0x70
[  384.526139]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.531168]  ? zap_class+0x640/0x640
[  384.534905]  ? print_usage_bug+0xc0/0xc0
[  384.538987]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.544196]  ? find_held_lock+0x36/0x1c0
[  384.548288]  ? zap_class+0x640/0x640
[  384.552013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.557571]  ? check_preemption_disabled+0x48/0x280
[  384.562615]  ? __lock_is_held+0xb5/0x140
[  384.566693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.572247]  ? check_preemption_disabled+0x48/0x280
[  384.577281]  run_timer_softirq+0x52/0xb0
[  384.581352]  ? rcu_read_lock_sched_held+0x14f/0x180
[  384.586388]  __do_softirq+0x308/0xb7e
[  384.590195]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  384.594697]  ? lock_downgrade+0x900/0x900
[  384.598856]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  384.604000]  ? pvclock_read_flags+0x160/0x160
[  384.608527]  ? lapic_next_event+0x5a/0x90
[  384.613224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.618815]  ? kvm_clock_read+0x18/0x30
[  384.622843]  ? kvm_sched_clock_read+0x9/0x20
[  384.627264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.632835]  ? check_preemption_disabled+0x48/0x280
[  384.637880]  irq_exit+0x17f/0x1c0
[  384.641339]  smp_apic_timer_interrupt+0x1cb/0x760
[  384.646191]  ? smp_reschedule_interrupt+0x109/0x650
[  384.651231]  ? smp_call_function_single_interrupt+0x650/0x650
[  384.657145]  ? interrupt_entry+0xb5/0xc0
[  384.661222]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.666256]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.671279]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.676144]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.681182]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.686204]  ? task_prio+0x50/0x50
[  384.689763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.695311]  ? check_preemption_disabled+0x48/0x280
[  384.700335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.705202]  apic_timer_interrupt+0xf/0x20
[  384.709442]  </IRQ>
[  384.711703] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  384.716375] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  384.735291] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  384.743012] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  384.750285] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  384.757571] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  384.764845] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  384.772119] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  384.779439]  ? mark_held_locks+0x130/0x130
[  384.783686]  ? kernfs_notify_workfn+0xf0/0x440
[  384.788277]  ? mark_held_locks+0x130/0x130
[  384.792516]  ? set_next_entity+0x493/0xc70
[  384.796759]  ? mutex_trylock+0x2b0/0x2b0
[  384.800829]  ? update_load_avg+0x2470/0x2470
[  384.805253]  ? zap_class+0x640/0x640
[  384.808976]  ? zap_class+0x640/0x640
[  384.812701]  ? print_usage_bug+0xc0/0xc0
[  384.816780]  ? find_held_lock+0x36/0x1c0
[  384.820853]  ? mark_held_locks+0xc7/0x130
[  384.825017]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.829512]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.834012]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.838602]  ? trace_hardirqs_on+0xbd/0x310
[  384.842942]  ? kasan_check_read+0x11/0x20
[  384.847103]  ? kernfs_notify_workfn+0xe2/0x440
[  384.851716]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.856838]  mutex_lock_nested+0x16/0x20
[  384.860900]  ? _raw_spin_unlock_irq+0x60/0x80
[  384.865404]  ? mutex_lock_nested+0x16/0x20
[  384.869641]  kernfs_notify_workfn+0xf0/0x440
[  384.874071]  process_one_work+0xc90/0x1c40
[  384.878310]  ? mark_held_locks+0x130/0x130
[  384.882563]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  384.887230]  ? __switch_to_asm+0x40/0x70
[  384.891296]  ? __switch_to_asm+0x34/0x70
[  384.895354]  ? __switch_to_asm+0x40/0x70
[  384.899411]  ? __switch_to_asm+0x34/0x70
[  384.903467]  ? __switch_to_asm+0x40/0x70
[  384.907535]  ? __switch_to_asm+0x34/0x70
[  384.911592]  ? __switch_to_asm+0x40/0x70
[  384.915652]  ? __switch_to_asm+0x34/0x70
[  384.919751]  ? __switch_to_asm+0x40/0x70
[  384.923819]  ? __schedule+0x8d7/0x21d0
[  384.927748]  ? lock_downgrade+0x900/0x900
[  384.931916]  ? zap_class+0x640/0x640
[  384.935691]  ? zap_class+0x640/0x640
[  384.939415]  ? find_held_lock+0x36/0x1c0
[  384.943495]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.948095]  ? lock_acquire+0x1ed/0x520
[  384.952116]  ? worker_thread+0x3e0/0x1390
[  384.956290]  ? kasan_check_read+0x11/0x20
[  384.960438]  ? do_raw_spin_lock+0x14f/0x350
[  384.964773]  ? kasan_check_read+0x11/0x20
[  384.968945]  ? rwlock_bug.part.2+0x90/0x90
[  384.973183]  ? trace_hardirqs_on+0x310/0x310
[  384.977610]  worker_thread+0x17f/0x1390
[  384.981602]  ? __switch_to_asm+0x34/0x70
[  384.985692]  ? process_one_work+0x1c40/0x1c40
[  384.990202]  ? zap_class+0x640/0x640
[  384.993949]  ? __kthread_parkme+0xce/0x1a0
[  384.998190]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.003293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  385.008398]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.013000]  ? trace_hardirqs_on+0xbd/0x310
[  385.017327]  ? kasan_check_read+0x11/0x20
[  385.021502]  ? __kthread_parkme+0xce/0x1a0
[  385.025769]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.030873]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.035984]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  385.041093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.046646]  ? __kthread_parkme+0xfb/0x1a0
[  385.050893]  ? process_one_work+0x1c40/0x1c40
[  385.055398]  kthread+0x35a/0x440
[  385.058768]  ? kthread_stop+0x900/0x900
[  385.062745]  ret_from_fork+0x3a/0x50
[  385.066476] warn_alloc_show_mem: 1 callbacks suppressed
[  385.066488] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  385.066489] Mem-Info:
[  385.066520] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  385.066520]  active_file:9 inactive_file:10 isolated_file:8
[  385.066520]  unevictable:0 dirty:0 writeback:0 unstable:0
[  385.066520]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  385.066520]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  385.066520]  free:13786 free_pcp:282 free_cma:0
[  385.071857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.071866] Call Trace:
[  385.078889] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  385.081316]  <IRQ>
[  385.114320] 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
[  385.123710]  dump_stack+0x244/0x39d
[  385.126268] lowmem_reserve[]: 0 2818 6321 6321
[  385.154150]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.156274] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  385.182399]  warn_alloc.cold.116+0xb7/0x1bd
[  385.185999] lowmem_reserve[]: 0 0 3503 3503
[  385.190606]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.195786] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  385.223139]  ? lock_downgrade+0x900/0x900
[  385.227426] lowmem_reserve[]: 0 0 0 0
[  385.231760]  ? trace_hardirqs_off+0xb8/0x310
[  385.236590] 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
[  385.265488]  ? trace_hardirqs_off+0xb8/0x310
[  385.269620] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  385.273463]  __alloc_pages_slowpath+0x2651/0x2de0
[  385.277835] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  385.291381]  ? warn_alloc+0x120/0x120
[  385.295750] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.310933]  ? print_usage_bug+0xc0/0xc0
[  385.315763] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.330766]  ? warn_alloc+0x120/0x120
[  385.334557] 4366 total pagecache pages
[  385.343411]  ? warn_alloc+0x120/0x120
[  385.347457] 0 pages in swap cache
[  385.356041]  ? print_usage_bug+0xc0/0xc0
[  385.359819] Swap cache stats: add 0, delete 0, find 0/0
[  385.363703]  ? kvm_clock_read+0x18/0x30
[  385.367477] Free swap  = 0kB
[  385.370938]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.370955]  ? print_usage_bug+0xc0/0xc0
[  385.375012] Total swap = 0kB
[  385.380378]  ? __lock_acquire+0x62f/0x4c20
[  385.384327] 1965979 pages RAM
[  385.387346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.392337] 0 pages HighMem/MovableOnly
[  385.396395]  ? should_fail+0x22d/0xd01
[  385.399385] 342854 pages reserved
[  385.403651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.406743] 0 pages cma reserved
[  385.412280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.416285] aoe: skb alloc failure
[  385.420121]  ? __lock_acquire+0x62f/0x4c20
[  385.420171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.420188]  ? __lock_acquire+0x62f/0x4c20
[  385.423680] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.428924]  ? should_fail+0x22d/0xd01
[  385.432269] kworker/0:2 cpuset=/ mems_allowed=0
[  385.437372]  ? rcu_irq_exit+0x1a2/0x390
[  385.477304]  ? mark_held_locks+0x130/0x130
[  385.481544]  ? mark_held_locks+0x130/0x130
[  385.485788]  ? mark_held_locks+0xc7/0x130
[  385.489946]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.494979]  ? zap_class+0x640/0x640
[  385.498694]  ? print_usage_bug+0xc0/0xc0
[  385.502763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.508314]  ? check_preemption_disabled+0x48/0x280
[  385.513346]  ? __lock_is_held+0xb5/0x140
[  385.517418]  __alloc_pages_nodemask+0xad8/0xea0
[  385.522105]  ? zap_class+0x640/0x640
[  385.525827]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  385.530859]  ? find_held_lock+0x36/0x1c0
[  385.534949]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.539623]  ? lock_downgrade+0x900/0x900
[  385.543781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.549326]  cache_grow_begin+0xa5/0x8c0
[  385.553390]  ? do_raw_spin_unlock+0xa7/0x330
[  385.557832]  fallback_alloc+0x204/0x2e0
[  385.561817]  ____cache_alloc_node+0x1c7/0x1e0
[  385.566320]  kmem_cache_alloc_node+0xe3/0x730
[  385.570817]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.575067]  __alloc_skb+0x119/0x770
[  385.578781]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.584067]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.588484]  ? lock_downgrade+0x900/0x900
[  385.592642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.598223]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.603704]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.609158]  ? addrconf_rs_timer+0x690/0x690
[  385.613590]  ndisc_alloc_skb+0x144/0x340
[  385.617684]  ndisc_send_rs+0x331/0x6e0
[  385.621598]  addrconf_rs_timer+0x314/0x690
[  385.625852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.630095]  call_timer_fn+0x272/0x920
[  385.633984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.638219]  ? process_timeout+0x40/0x40
[  385.642334]  ? mark_held_locks+0xc7/0x130
[  385.646509]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.651034]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.655576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.659817]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.664404]  ? trace_hardirqs_on+0xbd/0x310
[  385.668766]  ? kasan_check_read+0x11/0x20
[  385.672947]  ? __run_timers+0x7da/0xc70
[  385.676925]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.682056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.686306]  __run_timers+0x7e5/0xc70
[  385.690135]  ? timer_fixup_init+0x70/0x70
[  385.694304]  ? kasan_check_read+0x11/0x20
[  385.698456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.703732]  ? rcu_softirq_qs+0x20/0x20
[  385.707713]  ? mark_held_locks+0xc7/0x130
[  385.711870]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.716633]  ? retint_kernel+0x2d/0x2d
[  385.720529]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.725464]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.730243]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.735721]  ? zap_class+0x640/0x640
[  385.739463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.745510]  ? check_preemption_disabled+0x48/0x280
[  385.750573]  ? __lock_is_held+0xb5/0x140
[  385.754642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.760195]  ? check_preemption_disabled+0x48/0x280
[  385.765225]  run_timer_softirq+0x52/0xb0
[  385.769292]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.774328]  __do_softirq+0x308/0xb7e
[  385.778143]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.782650]  ? lock_downgrade+0x900/0x900
[  385.786831]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.791949]  ? pvclock_read_flags+0x160/0x160
[  385.796453]  ? lapic_next_event+0x5a/0x90
[  385.800621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.806168]  ? kvm_clock_read+0x18/0x30
[  385.810159]  ? kvm_sched_clock_read+0x9/0x20
[  385.814592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.820137]  ? check_preemption_disabled+0x48/0x280
[  385.825175]  irq_exit+0x17f/0x1c0
[  385.828635]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.833488]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.839397]  ? interrupt_entry+0xb5/0xc0
[  385.843462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.848482]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.853512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.858361]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.863388]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.868441]  ? task_prio+0x50/0x50
[  385.871986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.877527]  ? check_preemption_disabled+0x48/0x280
[  385.882554]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.887406]  apic_timer_interrupt+0xf/0x20
[  385.891640]  </IRQ>
[  385.893890] RIP: 0010:dump_stack+0x358/0x39d
[  385.898299] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  385.917230] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  385.924948] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  385.932226] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  385.939504] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  385.946790] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  385.954064] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  385.961361]  ? dump_stack+0x34f/0x39d
[  385.965189]  ? dump_stack_print_info.cold.1+0x20/0x20
[  385.970386]  ? mark_held_locks+0x130/0x130
[  385.974640]  ? mark_held_locks+0x130/0x130
[  385.978890]  dump_header+0x27b/0xf72
[  385.982630]  ? pagefault_out_of_memory+0x197/0x197
[  385.987580]  ? __lock_acquire+0x62f/0x4c20
[  385.991834]  ? percpu_ref_get_many+0x240/0x240
[  385.996437]  ? print_usage_bug+0xc0/0xc0
[  386.000541]  ? zap_class+0x640/0x640
[  386.004274]  ? print_usage_bug+0xc0/0xc0
[  386.008337]  ? print_usage_bug+0xc0/0xc0
[  386.012410]  ? zap_class+0x640/0x640
[  386.016138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.021695]  ? find_held_lock+0x36/0x1c0
[  386.025774]  ? mark_held_locks+0xc7/0x130
[  386.029931]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.035058]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.040172]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.044764]  ? trace_hardirqs_on+0xbd/0x310
[  386.049093]  ? kasan_check_read+0x11/0x20
[  386.053247]  ? ___ratelimit+0x3b4/0x672
[  386.057226]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.062335]  ? trace_hardirqs_on+0x310/0x310
[  386.066754]  ? lock_downgrade+0x900/0x900
[  386.070922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.076042]  ? ___ratelimit+0x3b9/0x672
[  386.080020]  ? idr_get_free+0xf70/0xf70
[  386.084017]  ? find_held_lock+0x36/0x1c0
[  386.088095]  oom_kill_process.cold.27+0x10/0x903
[  386.092854]  ? zap_class+0x640/0x640
[  386.096583]  ? check_preemption_disabled+0x48/0x280
[  386.101615]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.106551]  ? kasan_check_read+0x11/0x20
[  386.110716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.115998]  ? oom_evaluate_task+0x540/0x540
[  386.120410]  ? find_held_lock+0x36/0x1c0
[  386.124489]  ? out_of_memory+0x974/0x1430
[  386.128640]  ? lock_downgrade+0x900/0x900
[  386.132826]  ? check_preemption_disabled+0x48/0x280
[  386.137851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.142782]  ? kasan_check_read+0x11/0x20
[  386.146930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.152209]  ? rcu_softirq_qs+0x20/0x20
[  386.156191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.161733]  ? oom_evaluate_task+0x302/0x540
[  386.166149]  out_of_memory+0xa84/0x1430
[  386.170135]  ? oom_killer_disable+0x3a0/0x3a0
[  386.174634]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  386.179574]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.184601]  __alloc_pages_slowpath+0x232c/0x2de0
[  386.189474]  ? warn_alloc+0x120/0x120
[  386.193278]  ? mark_held_locks+0x130/0x130
[  386.197517]  ? find_get_entry+0xaae/0x1120
[  386.201787]  ? filemap_map_pages+0x1a20/0x1a20
[  386.206385]  ? zap_class+0x640/0x640
[  386.210115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.215653]  ? check_preemption_disabled+0x48/0x280
[  386.220687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.226223]  ? should_fail+0x22d/0xd01
[  386.230169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.235272]  ? zap_class+0x640/0x640
[  386.239013]  ? __lock_is_held+0xb5/0x140
[  386.243096]  ? mark_held_locks+0x130/0x130
[  386.247362]  ? lock_release+0xa00/0xa00
[  386.251334]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.256788]  ? xa_load+0x2ba/0x460
[  386.260355]  ? lock_downgrade+0x900/0x900
[  386.264510]  ? __might_sleep+0x95/0x190
[  386.268490]  __alloc_pages_nodemask+0xad8/0xea0
[  386.273197]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  386.278230]  ? __page_cache_alloc+0x191/0x5c0
[  386.282752]  ? xa_load+0x2e1/0x460
[  386.286305]  ? xa_clear_mark+0x40/0x40
[  386.290196]  ? zap_class+0x640/0x640
[  386.293918]  ? zap_class+0x640/0x640
[  386.297637]  ? zap_class+0x640/0x640
[  386.301370]  ? __do_page_cache_readahead+0x663/0x810
[  386.306481]  ? find_held_lock+0x36/0x1c0
[  386.310545]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  386.316089]  alloc_pages_current+0x173/0x350
[  386.320508]  __page_cache_alloc+0x38c/0x5c0
[  386.324844]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.329776]  ? kasan_check_read+0x11/0x20
[  386.333937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.339222]  ? generic_perform_write+0x6a0/0x6a0
[  386.344012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.349578]  ? check_preemption_disabled+0x48/0x280
[  386.354624]  filemap_fault+0x1595/0x25f0
[  386.358728]  ? __lock_page_or_retry+0xa00/0xa00
[  386.363402]  ? mark_held_locks+0x130/0x130
[  386.367652]  ? filemap_map_pages+0xd6b/0x1a20
[  386.372175]  ? lock_downgrade+0x900/0x900
[  386.376324]  ? check_preemption_disabled+0x48/0x280
[  386.381344]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.386304]  ? kasan_check_read+0x11/0x20
[  386.390458]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.395736]  ? rcu_softirq_qs+0x20/0x20
[  386.399726]  ? filemap_map_pages+0xd92/0x1a20
[  386.404285]  ? find_get_entries_tag+0x1400/0x1400
[  386.409132]  ? debug_object_destroy+0x2b0/0x2b0
[  386.413812]  ? lock_pi_update_atomic+0x150/0x150
[  386.418593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.424149]  ? lock_acquire+0x1ed/0x520
[  386.428126]  ? ext4_filemap_fault+0x7a/0xad
[  386.432459]  ? lock_release+0xa00/0xa00
[  386.436440]  ? perf_trace_sched_process_exec+0x860/0x860
[  386.441895]  ? print_usage_bug+0xc0/0xc0
[  386.445967]  ? print_usage_bug+0xc0/0xc0
[  386.450056]  ? down_read+0x8d/0x120
[  386.453686]  ? ext4_filemap_fault+0x7a/0xad
[  386.458025]  ? __down_interruptible+0x700/0x700
[  386.462749]  ext4_filemap_fault+0x82/0xad
[  386.466904]  __do_fault+0x100/0x6b0
[  386.470533]  ? pmd_devmap_trans_unstable+0x220/0x220
[  386.475650]  ? mark_held_locks+0x130/0x130
[  386.479891]  ? mark_held_locks+0x130/0x130
[  386.484126]  ? __might_fault+0x12b/0x1e0
[  386.488186]  ? lock_downgrade+0x900/0x900
[  386.492333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.497884]  __handle_mm_fault+0x3ea0/0x5be0
[  386.502298]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  386.507180]  ? _copy_to_user+0xc8/0x110
[  386.511166]  ? zap_class+0x640/0x640
[  386.514883]  ? zap_class+0x640/0x640
[  386.518610]  ? __x64_sys_futex+0x53e/0x6a0
[  386.522847]  ? find_held_lock+0x36/0x1c0
[  386.526918]  ? handle_mm_fault+0x42a/0xc70
[  386.531167]  ? lock_downgrade+0x900/0x900
[  386.535315]  ? check_preemption_disabled+0x48/0x280
[  386.540346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.545272]  ? kasan_check_read+0x11/0x20
[  386.549416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.554715]  ? rcu_softirq_qs+0x20/0x20
[  386.558712]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.563830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.569372]  ? check_preemption_disabled+0x48/0x280
[  386.574394]  handle_mm_fault+0x54f/0xc70
[  386.578463]  ? __handle_mm_fault+0x5be0/0x5be0
[  386.583050]  ? find_vma+0x34/0x190
[  386.586625]  __do_page_fault+0x5e8/0xe60
[  386.590688]  ? trace_hardirqs_off+0xb8/0x310
[  386.595107]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.600693]  do_page_fault+0xf2/0x7e0
[  386.604538]  ? vmalloc_sync_all+0x30/0x30
[  386.608708]  ? error_entry+0x70/0xd0
[  386.612591]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.617610]  ? trace_hardirqs_on_caller+0xc0/0x310
[  386.622556]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.627479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.632325]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.637359]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.642825]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  386.647861]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.652883]  ? page_fault+0x8/0x30
[  386.656438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.661291]  ? page_fault+0x8/0x30
[  386.664839]  page_fault+0x1e/0x30
[  386.668292] RIP: 0033:0x45ddf3
[  386.671512] Code: Bad RIP value.
[  386.674875] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  386.680248] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  386.687518] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  386.694818] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  386.702094] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  386.709365] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  386.716680] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  386.716744] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.723788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.723810] Workqueue: events kernfs_notify_workfn
[  386.723817] Call Trace:
[  386.723832]  <IRQ>
[  386.730464] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.739716]  dump_stack+0x244/0x39d
[  386.744625] syz-fuzzer cpuset=/ mems_allowed=0
[  386.747215]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.772957]  warn_alloc.cold.116+0xb7/0x1bd
[  386.777282]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.782128]  ? lock_downgrade+0x900/0x900
[  386.786291]  ? trace_hardirqs_off+0xb8/0x310
[  386.790724]  ? trace_hardirqs_off+0xb8/0x310
[  386.795140]  __alloc_pages_slowpath+0x2651/0x2de0
[  386.800012]  ? warn_alloc+0x120/0x120
[  386.803818]  ? warn_alloc+0x120/0x120
[  386.807619]  ? __lock_acquire+0x62f/0x4c20
[  386.811857]  ? warn_alloc+0x120/0x120
[  386.815687]  ? print_usage_bug+0xc0/0xc0
[  386.819932]  ? print_usage_bug+0xc0/0xc0
[  386.823999]  ? mark_held_locks+0x130/0x130
[  386.828246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.833788]  ? should_fail+0x22d/0xd01
[  386.837680]  ? zap_class+0x640/0x640
[  386.841399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.846508]  ? __lock_acquire+0x62f/0x4c20
[  386.850747]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.855884]  ? should_fail+0x22d/0xd01
[  386.859778]  ? mark_held_locks+0x130/0x130
[  386.864015]  ? mark_held_locks+0x130/0x130
[  386.868243]  ? lock_downgrade+0x900/0x900
[  386.872390]  ? zap_class+0x640/0x640
[  386.876101]  ? zap_class+0x640/0x640
[  386.879812]  ? zap_class+0x640/0x640
[  386.883521]  ? do_raw_spin_unlock+0xa7/0x330
[  386.887933]  ? trace_hardirqs_on+0x310/0x310
[  386.892356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.897903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.903457]  ? check_preemption_disabled+0x48/0x280
[  386.908489]  ? __lock_is_held+0xb5/0x140
[  386.912548]  __alloc_pages_nodemask+0xad8/0xea0
[  386.917213]  ? zap_class+0x640/0x640
[  386.920934]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  386.925959]  ? find_held_lock+0x36/0x1c0
[  386.930054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.934738]  ? lock_downgrade+0x900/0x900
[  386.938888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.944443]  cache_grow_begin+0xa5/0x8c0
[  386.948502]  ? do_raw_spin_unlock+0xa7/0x330
[  386.952933]  fallback_alloc+0x204/0x2e0
[  386.956941]  ____cache_alloc_node+0x1c7/0x1e0
[  386.961437]  kmem_cache_alloc_node+0xe3/0x730
[  386.965936]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.970529]  __alloc_skb+0x119/0x770
[  386.974259]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  386.979623]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.984050]  ? vprintk_default+0x28/0x30
[  386.988106]  ? vprintk_func+0x85/0x181
[  386.991994]  ? printk+0xa7/0xcf
[  386.995281]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  387.000044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.005587]  new_skb+0x26/0x1c0
[  387.008870]  aoecmd_cfg+0x279/0x7f0
[  387.012565]  ? find_held_lock+0x36/0x1c0
[  387.016629]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  387.020981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.026528]  ? __lock_is_held+0xb5/0x140
[  387.030604]  discover_timer+0x50/0x60
[  387.034405]  call_timer_fn+0x272/0x920
[  387.038311]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  387.043179]  ? process_timeout+0x40/0x40
[  387.047259]  ? mark_held_locks+0xc7/0x130
[  387.051423]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.055917]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.060416]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  387.065259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  387.069841]  ? trace_hardirqs_on+0xbd/0x310
[  387.074191]  ? kasan_check_read+0x11/0x20
[  387.078336]  ? __run_timers+0x7da/0xc70
[  387.082340]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.087454]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  387.092303]  __run_timers+0x7e5/0xc70
[  387.096126]  ? timer_fixup_init+0x70/0x70
[  387.100273]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.105292]  ? zap_class+0x640/0x640
[  387.109025]  ? print_usage_bug+0xc0/0xc0
[  387.113120]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.118333]  ? find_held_lock+0x36/0x1c0
[  387.122397]  ? zap_class+0x640/0x640
[  387.126123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.131667]  ? check_preemption_disabled+0x48/0x280
[  387.136706]  ? __lock_is_held+0xb5/0x140
[  387.140781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.146337]  ? check_preemption_disabled+0x48/0x280
[  387.151399]  run_timer_softirq+0x52/0xb0
[  387.155483]  ? rcu_read_lock_sched_held+0x14f/0x180
[  387.160500]  __do_softirq+0x308/0xb7e
[  387.164302]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  387.168796]  ? lock_downgrade+0x900/0x900
[  387.173002]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  387.178114]  ? pvclock_read_flags+0x160/0x160
[  387.182632]  ? lapic_next_event+0x5a/0x90
[  387.186802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.192343]  ? kvm_clock_read+0x18/0x30
[  387.196362]  ? kvm_sched_clock_read+0x9/0x20
[  387.200781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.206327]  ? check_preemption_disabled+0x48/0x280
[  387.211349]  irq_exit+0x17f/0x1c0
[  387.214802]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.219644]  ? smp_reschedule_interrupt+0x109/0x650
[  387.224672]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.230558]  ? interrupt_entry+0xb5/0xc0
[  387.234636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.239650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.244693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.249559]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.254569]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.259584]  ? task_prio+0x50/0x50
[  387.263141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.268716]  ? check_preemption_disabled+0x48/0x280
[  387.273774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.278681]  apic_timer_interrupt+0xf/0x20
[  387.282913]  </IRQ>
[  387.285152] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  387.289816] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  387.308712] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.316410] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  387.323702] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  387.330995] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  387.338264] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  387.345529] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  387.352853]  ? mark_held_locks+0x130/0x130
[  387.357103]  ? kernfs_notify_workfn+0xf0/0x440
[  387.361692]  ? mark_held_locks+0x130/0x130
[  387.365949]  ? set_next_entity+0x493/0xc70
[  387.370185]  ? mutex_trylock+0x2b0/0x2b0
[  387.374259]  ? update_load_avg+0x2470/0x2470
[  387.378701]  ? zap_class+0x640/0x640
[  387.382423]  ? zap_class+0x640/0x640
[  387.386138]  ? print_usage_bug+0xc0/0xc0
[  387.390209]  ? find_held_lock+0x36/0x1c0
[  387.394278]  ? mark_held_locks+0xc7/0x130
[  387.398431]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.402930]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.407422]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.412007]  ? trace_hardirqs_on+0xbd/0x310
[  387.416326]  ? kasan_check_read+0x11/0x20
[  387.420472]  ? kernfs_notify_workfn+0xe2/0x440
[  387.425057]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.430214]  mutex_lock_nested+0x16/0x20
[  387.434302]  ? _raw_spin_unlock_irq+0x60/0x80
[  387.438801]  ? mutex_lock_nested+0x16/0x20
[  387.443042]  kernfs_notify_workfn+0xf0/0x440
[  387.447455]  process_one_work+0xc90/0x1c40
[  387.451697]  ? mark_held_locks+0x130/0x130
[  387.455986]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  387.460647]  ? __switch_to_asm+0x40/0x70
[  387.464712]  ? __switch_to_asm+0x34/0x70
[  387.468770]  ? __switch_to_asm+0x40/0x70
[  387.472827]  ? __switch_to_asm+0x34/0x70
[  387.476882]  ? __switch_to_asm+0x40/0x70
[  387.480945]  ? __switch_to_asm+0x34/0x70
[  387.484999]  ? __switch_to_asm+0x40/0x70
[  387.489116]  ? __switch_to_asm+0x34/0x70
[  387.493193]  ? __switch_to_asm+0x40/0x70
[  387.497271]  ? __schedule+0x8d7/0x21d0
[  387.501199]  ? lock_downgrade+0x900/0x900
[  387.505348]  ? zap_class+0x640/0x640
[  387.509057]  ? zap_class+0x640/0x640
[  387.512772]  ? find_held_lock+0x36/0x1c0
[  387.516847]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.521457]  ? lock_acquire+0x1ed/0x520
[  387.525437]  ? worker_thread+0x3e0/0x1390
[  387.529623]  ? kasan_check_read+0x11/0x20
[  387.533769]  ? do_raw_spin_lock+0x14f/0x350
[  387.538099]  ? kasan_check_read+0x11/0x20
[  387.542259]  ? rwlock_bug.part.2+0x90/0x90
[  387.546506]  ? trace_hardirqs_on+0x310/0x310
[  387.550942]  worker_thread+0x17f/0x1390
[  387.554910]  ? __switch_to_asm+0x34/0x70
[  387.559006]  ? process_one_work+0x1c40/0x1c40
[  387.563512]  ? zap_class+0x640/0x640
[  387.567283]  ? __kthread_parkme+0xce/0x1a0
[  387.571516]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.576631]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  387.581738]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.586340]  ? trace_hardirqs_on+0xbd/0x310
[  387.590691]  ? kasan_check_read+0x11/0x20
[  387.594843]  ? __kthread_parkme+0xce/0x1a0
[  387.599078]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.604180]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.609306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  387.614441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.619997]  ? __kthread_parkme+0xfb/0x1a0
[  387.624232]  ? process_one_work+0x1c40/0x1c40
[  387.628723]  kthread+0x35a/0x440
[  387.632084]  ? kthread_stop+0x900/0x900
[  387.636056]  ret_from_fork+0x3a/0x50
[  387.639801] warn_alloc_show_mem: 1 callbacks suppressed
[  387.639812] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  387.639813] Mem-Info:
[  387.639843] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  387.639843]  active_file:9 inactive_file:10 isolated_file:8
[  387.639843]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.639843]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  387.639843]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  387.639843]  free:13786 free_pcp:282 free_cma:0
[  387.645194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.652247] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.654761] Call Trace:
[  387.687735] 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
[  387.697079]  <IRQ>
[  387.724925] lowmem_reserve[]: 0 2818 6321 6321
[  387.727498]  dump_stack+0x244/0x39d
[  387.753579] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  387.755740]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.760292] lowmem_reserve[]: 0 0 3503 3503
[  387.763921]  warn_alloc.cold.116+0xb7/0x1bd
[  387.791214] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  387.796398]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.800702] lowmem_reserve[]: 0 0 0 0
[  387.805035]  ? lock_downgrade+0x900/0x900
[  387.833903] 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
[  387.838747]  ? trace_hardirqs_off+0xb8/0x310
[  387.842527] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  387.846672]  ? trace_hardirqs_off+0xb8/0x310
[  387.860164] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  387.864566]  __alloc_pages_slowpath+0x2651/0x2de0
[  387.879715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.884131]  ? warn_alloc+0x120/0x120
[  387.899111] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.903970]  ? print_usage_bug+0xc0/0xc0
[  387.912799] 4366 total pagecache pages
[  387.916604]  ? warn_alloc+0x120/0x120
[  387.925172] 0 pages in swap cache
[  387.929219]  ? warn_alloc+0x120/0x120
[  387.933085] Swap cache stats: add 0, delete 0, find 0/0
[  387.936884]  ? print_usage_bug+0xc0/0xc0
[  387.940312] Free swap  = 0kB
[  387.944110]  ? kvm_clock_read+0x18/0x30
[  387.949446] Total swap = 0kB
[  387.953498]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.956491] 1965979 pages RAM
[  387.960485]  ? print_usage_bug+0xc0/0xc0
[  387.963498] 0 pages HighMem/MovableOnly
[  387.968503]  ? __lock_acquire+0x62f/0x4c20
[  387.971589] 342854 pages reserved
[  387.975647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.979606] 0 pages cma reserved
[  387.983836]  ? should_fail+0x22d/0xd01
[  387.987318] aoe: skb alloc failure
[  387.992798]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.992816]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.992833]  ? __lock_acquire+0x62f/0x4c20
[  387.996226] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.000081]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.003595] kworker/0:2 cpuset=/ mems_allowed=0
[  388.008868]  ? __lock_acquire+0x62f/0x4c20
[  388.042474]  ? should_fail+0x22d/0xd01
[  388.046357]  ? rcu_irq_exit+0x1a2/0x390
[  388.050346]  ? mark_held_locks+0x130/0x130
[  388.054619]  ? mark_held_locks+0x130/0x130
[  388.058880]  ? mark_held_locks+0xc7/0x130
[  388.063033]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  388.068053]  ? zap_class+0x640/0x640
[  388.071769]  ? print_usage_bug+0xc0/0xc0
[  388.075834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.081394]  ? check_preemption_disabled+0x48/0x280
[  388.086433]  ? __lock_is_held+0xb5/0x140
[  388.090511]  __alloc_pages_nodemask+0xad8/0xea0
[  388.095189]  ? zap_class+0x640/0x640
[  388.098910]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.103939]  ? find_held_lock+0x36/0x1c0
[  388.108024]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.112710]  ? lock_downgrade+0x900/0x900
[  388.116888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.122433]  cache_grow_begin+0xa5/0x8c0
[  388.126493]  ? do_raw_spin_unlock+0xa7/0x330
[  388.130923]  fallback_alloc+0x204/0x2e0
[  388.134908]  ____cache_alloc_node+0x1c7/0x1e0
[  388.139413]  kmem_cache_alloc_node+0xe3/0x730
[  388.143915]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.148159]  __alloc_skb+0x119/0x770
[  388.151870]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.157152]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.161565]  ? lock_downgrade+0x900/0x900
[  388.165730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.171266]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.176722]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.182173]  ? addrconf_rs_timer+0x690/0x690
[  388.186592]  ndisc_alloc_skb+0x144/0x340
[  388.190689]  ndisc_send_rs+0x331/0x6e0
[  388.194579]  addrconf_rs_timer+0x314/0x690
[  388.198822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.203083]  call_timer_fn+0x272/0x920
[  388.206984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.211218]  ? process_timeout+0x40/0x40
[  388.215286]  ? mark_held_locks+0xc7/0x130
[  388.219437]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.223928]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.228433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.232671]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.237262]  ? trace_hardirqs_on+0xbd/0x310
[  388.241629]  ? kasan_check_read+0x11/0x20
[  388.245781]  ? __run_timers+0x7da/0xc70
[  388.249768]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.254871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.259119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.263406]  __run_timers+0x7e5/0xc70
[  388.267212]  ? timer_fixup_init+0x70/0x70
[  388.271357]  ? kasan_check_read+0x11/0x20
[  388.275496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.280764]  ? rcu_softirq_qs+0x20/0x20
[  388.284738]  ? mark_held_locks+0xc7/0x130
[  388.288883]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.293634]  ? retint_kernel+0x2d/0x2d
[  388.297521]  ? trace_hardirqs_on_caller+0xc0/0x310
[  388.302445]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.307215]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.312668]  ? zap_class+0x640/0x640
[  388.316394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.321947]  ? check_preemption_disabled+0x48/0x280
[  388.326967]  ? __lock_is_held+0xb5/0x140
[  388.331036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.336626]  ? check_preemption_disabled+0x48/0x280
[  388.341655]  run_timer_softirq+0x52/0xb0
[  388.345725]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.350768]  __do_softirq+0x308/0xb7e
[  388.354608]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.359097]  ? lock_downgrade+0x900/0x900
[  388.363292]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.368402]  ? pvclock_read_flags+0x160/0x160
[  388.372902]  ? lapic_next_event+0x5a/0x90
[  388.377049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.382601]  ? kvm_clock_read+0x18/0x30
[  388.386588]  ? kvm_sched_clock_read+0x9/0x20
[  388.390997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.396534]  ? check_preemption_disabled+0x48/0x280
[  388.401569]  irq_exit+0x17f/0x1c0
[  388.405050]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.410072]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.415965]  ? interrupt_entry+0xb5/0xc0
[  388.420023]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.425038]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.430055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.434899]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.439911]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.444923]  ? task_prio+0x50/0x50
[  388.448488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.454019]  ? check_preemption_disabled+0x48/0x280
[  388.459037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.463883]  apic_timer_interrupt+0xf/0x20
[  388.468102]  </IRQ>
[  388.470337] RIP: 0010:dump_stack+0x358/0x39d
[  388.474741] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  388.493634] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  388.501341] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  388.508604] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  388.515867] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  388.523128] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  388.530414] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  388.537712]  ? dump_stack+0x34f/0x39d
[  388.541535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.546721]  ? mark_held_locks+0x130/0x130
[  388.550973]  ? mark_held_locks+0x130/0x130
[  388.555227]  dump_header+0x27b/0xf72
[  388.558950]  ? pagefault_out_of_memory+0x197/0x197
[  388.563902]  ? __lock_acquire+0x62f/0x4c20
[  388.568149]  ? percpu_ref_get_many+0x240/0x240
[  388.572731]  ? print_usage_bug+0xc0/0xc0
[  388.576804]  ? zap_class+0x640/0x640
[  388.580516]  ? print_usage_bug+0xc0/0xc0
[  388.584570]  ? print_usage_bug+0xc0/0xc0
[  388.588627]  ? zap_class+0x640/0x640
[  388.592366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.597921]  ? find_held_lock+0x36/0x1c0
[  388.601988]  ? mark_held_locks+0xc7/0x130
[  388.606161]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.611267]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  388.616369]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.620945]  ? trace_hardirqs_on+0xbd/0x310
[  388.625267]  ? kasan_check_read+0x11/0x20
[  388.629414]  ? ___ratelimit+0x3b4/0x672
[  388.633397]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.638501]  ? trace_hardirqs_on+0x310/0x310
[  388.642933]  ? lock_downgrade+0x900/0x900
[  388.647080]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  388.652177]  ? ___ratelimit+0x3b9/0x672
[  388.656148]  ? idr_get_free+0xf70/0xf70
[  388.660119]  ? find_held_lock+0x36/0x1c0
[  388.664185]  oom_kill_process.cold.27+0x10/0x903
[  388.668933]  ? zap_class+0x640/0x640
[  388.672655]  ? check_preemption_disabled+0x48/0x280
[  388.677685]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.682616]  ? kasan_check_read+0x11/0x20
[  388.686790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.692098]  ? oom_evaluate_task+0x540/0x540
[  388.696534]  ? find_held_lock+0x36/0x1c0
[  388.700595]  ? out_of_memory+0x974/0x1430
[  388.704744]  ? lock_downgrade+0x900/0x900
[  388.708893]  ? check_preemption_disabled+0x48/0x280
[  388.713906]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.718851]  ? kasan_check_read+0x11/0x20
[  388.723044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.728388]  ? rcu_softirq_qs+0x20/0x20
[  388.732413]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.737956]  ? oom_evaluate_task+0x302/0x540
[  388.742400]  out_of_memory+0xa84/0x1430
[  388.746395]  ? oom_killer_disable+0x3a0/0x3a0
[  388.750931]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  388.755874]  ? __ww_mutex_check_waiters+0x160/0x160
[  388.760933]  __alloc_pages_slowpath+0x232c/0x2de0
[  388.765805]  ? warn_alloc+0x120/0x120
[  388.769606]  ? mark_held_locks+0x130/0x130
[  388.773853]  ? find_get_entry+0xaae/0x1120
[  388.778115]  ? filemap_map_pages+0x1a20/0x1a20
[  388.782707]  ? zap_class+0x640/0x640
[  388.786438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.791979]  ? check_preemption_disabled+0x48/0x280
[  388.797004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.802545]  ? should_fail+0x22d/0xd01
[  388.806446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.811554]  ? zap_class+0x640/0x640
[  388.815295]  ? __lock_is_held+0xb5/0x140
[  388.819368]  ? mark_held_locks+0x130/0x130
[  388.823607]  ? lock_release+0xa00/0xa00
[  388.827585]  ? perf_trace_sched_process_exec+0x860/0x860
[  388.833043]  ? xa_load+0x2ba/0x460
[  388.836586]  ? lock_downgrade+0x900/0x900
[  388.840743]  ? __might_sleep+0x95/0x190
[  388.844737]  __alloc_pages_nodemask+0xad8/0xea0
[  388.849416]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  388.854443]  ? __page_cache_alloc+0x191/0x5c0
[  388.858936]  ? xa_load+0x2e1/0x460
[  388.862475]  ? xa_clear_mark+0x40/0x40
[  388.866364]  ? zap_class+0x640/0x640
[  388.870097]  ? zap_class+0x640/0x640
[  388.873816]  ? zap_class+0x640/0x640
[  388.877532]  ? __do_page_cache_readahead+0x663/0x810
[  388.882648]  ? find_held_lock+0x36/0x1c0
[  388.886723]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  388.892300]  alloc_pages_current+0x173/0x350
[  388.896726]  __page_cache_alloc+0x38c/0x5c0
[  388.901049]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.906011]  ? kasan_check_read+0x11/0x20
[  388.910164]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.915451]  ? generic_perform_write+0x6a0/0x6a0
[  388.920213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.925753]  ? check_preemption_disabled+0x48/0x280
[  388.930781]  filemap_fault+0x1595/0x25f0
[  388.934856]  ? __lock_page_or_retry+0xa00/0xa00
[  388.939541]  ? mark_held_locks+0x130/0x130
[  388.943849]  ? filemap_map_pages+0xd6b/0x1a20
[  388.948341]  ? lock_downgrade+0x900/0x900
[  388.952499]  ? check_preemption_disabled+0x48/0x280
[  388.957521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  388.962449]  ? kasan_check_read+0x11/0x20
[  388.966622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.971911]  ? rcu_softirq_qs+0x20/0x20
[  388.975911]  ? filemap_map_pages+0xd92/0x1a20
[  388.980430]  ? find_get_entries_tag+0x1400/0x1400
[  388.985280]  ? debug_object_destroy+0x2b0/0x2b0
[  388.989955]  ? lock_pi_update_atomic+0x150/0x150
[  388.994711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.000279]  ? lock_acquire+0x1ed/0x520
[  389.004249]  ? ext4_filemap_fault+0x7a/0xad
[  389.008579]  ? lock_release+0xa00/0xa00
[  389.012554]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.018006]  ? print_usage_bug+0xc0/0xc0
[  389.022071]  ? print_usage_bug+0xc0/0xc0
[  389.026147]  ? down_read+0x8d/0x120
[  389.029773]  ? ext4_filemap_fault+0x7a/0xad
[  389.034097]  ? __down_interruptible+0x700/0x700
[  389.038777]  ext4_filemap_fault+0x82/0xad
[  389.042942]  __do_fault+0x100/0x6b0
[  389.046575]  ? pmd_devmap_trans_unstable+0x220/0x220
[  389.051691]  ? mark_held_locks+0x130/0x130
[  389.055936]  ? mark_held_locks+0x130/0x130
[  389.060214]  ? __might_fault+0x12b/0x1e0
[  389.064283]  ? lock_downgrade+0x900/0x900
[  389.068444]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.073993]  __handle_mm_fault+0x3ea0/0x5be0
[  389.078415]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  389.083272]  ? _copy_to_user+0xc8/0x110
[  389.087269]  ? zap_class+0x640/0x640
[  389.090994]  ? zap_class+0x640/0x640
[  389.094708]  ? __x64_sys_futex+0x53e/0x6a0
[  389.098954]  ? find_held_lock+0x36/0x1c0
[  389.103030]  ? handle_mm_fault+0x42a/0xc70
[  389.107270]  ? lock_downgrade+0x900/0x900
[  389.111427]  ? check_preemption_disabled+0x48/0x280
[  389.116454]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.121386]  ? kasan_check_read+0x11/0x20
[  389.125559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.130841]  ? rcu_softirq_qs+0x20/0x20
[  389.134833]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.139956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.145509]  ? check_preemption_disabled+0x48/0x280
[  389.150540]  handle_mm_fault+0x54f/0xc70
[  389.154610]  ? __handle_mm_fault+0x5be0/0x5be0
[  389.159200]  ? find_vma+0x34/0x190
[  389.162747]  __do_page_fault+0x5e8/0xe60
[  389.166824]  ? trace_hardirqs_off+0xb8/0x310
[  389.171236]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  389.176786]  do_page_fault+0xf2/0x7e0
[  389.180601]  ? vmalloc_sync_all+0x30/0x30
[  389.184753]  ? error_entry+0x70/0xd0
[  389.188475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.193489]  ? trace_hardirqs_on_caller+0xc0/0x310
[  389.198442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.203373]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.208245]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.213264]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.218719]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  389.223746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.228766]  ? page_fault+0x8/0x30
[  389.232316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.237167]  ? page_fault+0x8/0x30
[  389.240716]  page_fault+0x1e/0x30
[  389.244169] RIP: 0033:0x45ddf3
[  389.247373] Code: Bad RIP value.
[  389.250737] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  389.256100] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  389.263405] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  389.270685] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  389.277968] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  389.285241] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  389.292565] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  389.292631] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  389.299676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.299704] Workqueue: events kernfs_notify_workfn
[  389.299711] Call Trace:
[  389.299722]  <IRQ>
[  389.306273] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  389.315576]  dump_stack+0x244/0x39d
[  389.320483] syz-fuzzer cpuset=/ mems_allowed=0
[  389.323081]  ? dump_stack_print_info.cold.1+0x20/0x20
[  389.348799]  warn_alloc.cold.116+0xb7/0x1bd
[  389.353120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.357966]  ? lock_downgrade+0x900/0x900
[  389.362128]  ? trace_hardirqs_off+0xb8/0x310
[  389.366542]  ? trace_hardirqs_off+0xb8/0x310
[  389.370975]  __alloc_pages_slowpath+0x2651/0x2de0
[  389.375845]  ? warn_alloc+0x120/0x120
[  389.379649]  ? warn_alloc+0x120/0x120
[  389.383463]  ? __lock_acquire+0x62f/0x4c20
[  389.387715]  ? warn_alloc+0x120/0x120
[  389.391520]  ? print_usage_bug+0xc0/0xc0
[  389.395598]  ? print_usage_bug+0xc0/0xc0
[  389.399678]  ? mark_held_locks+0x130/0x130
[  389.403918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.409511]  ? should_fail+0x22d/0xd01
[  389.413397]  ? zap_class+0x640/0x640
[  389.417116]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.422251]  ? __lock_acquire+0x62f/0x4c20
[  389.426492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.431594]  ? should_fail+0x22d/0xd01
[  389.435494]  ? mark_held_locks+0x130/0x130
[  389.439732]  ? mark_held_locks+0x130/0x130
[  389.443969]  ? lock_downgrade+0x900/0x900
[  389.448134]  ? zap_class+0x640/0x640
[  389.451846]  ? zap_class+0x640/0x640
[  389.455564]  ? zap_class+0x640/0x640
[  389.459291]  ? do_raw_spin_unlock+0xa7/0x330
[  389.463710]  ? trace_hardirqs_on+0x310/0x310
[  389.468120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.473680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.479225]  ? check_preemption_disabled+0x48/0x280
[  389.484256]  ? __lock_is_held+0xb5/0x140
[  389.488337]  __alloc_pages_nodemask+0xad8/0xea0
[  389.493013]  ? zap_class+0x640/0x640
[  389.496745]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  389.501789]  ? find_held_lock+0x36/0x1c0
[  389.505869]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.510547]  ? lock_downgrade+0x900/0x900
[  389.514710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.520260]  cache_grow_begin+0xa5/0x8c0
[  389.524359]  ? do_raw_spin_unlock+0xa7/0x330
[  389.528812]  fallback_alloc+0x204/0x2e0
[  389.532814]  ____cache_alloc_node+0x1c7/0x1e0
[  389.537321]  kmem_cache_alloc_node+0xe3/0x730
[  389.541825]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.546418]  __alloc_skb+0x119/0x770
[  389.550135]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  389.555505]  ? netdev_alloc_frag+0x1f0/0x1f0
[  389.559929]  ? vprintk_default+0x28/0x30
[  389.564004]  ? vprintk_func+0x85/0x181
[  389.567911]  ? printk+0xa7/0xcf
[  389.571213]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  389.575978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.581527]  new_skb+0x26/0x1c0
[  389.584810]  aoecmd_cfg+0x279/0x7f0
[  389.588439]  ? find_held_lock+0x36/0x1c0
[  389.592504]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  389.596833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.602398]  ? __lock_is_held+0xb5/0x140
[  389.606478]  discover_timer+0x50/0x60
[  389.610292]  call_timer_fn+0x272/0x920
[  389.614200]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  389.619058]  ? process_timeout+0x40/0x40
[  389.623131]  ? mark_held_locks+0xc7/0x130
[  389.627288]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.631793]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.636306]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  389.641154]  ? lockdep_hardirqs_on+0x296/0x5b0
[  389.645740]  ? trace_hardirqs_on+0xbd/0x310
[  389.650074]  ? kasan_check_read+0x11/0x20
[  389.654227]  ? __run_timers+0x7da/0xc70
[  389.658204]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.663322]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  389.668178]  __run_timers+0x7e5/0xc70
[  389.672050]  ? timer_fixup_init+0x70/0x70
[  389.676217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.681252]  ? zap_class+0x640/0x640
[  389.684976]  ? print_usage_bug+0xc0/0xc0
[  389.689046]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.694286]  ? find_held_lock+0x36/0x1c0
[  389.698351]  ? zap_class+0x640/0x640
[  389.702069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.707607]  ? check_preemption_disabled+0x48/0x280
[  389.712631]  ? __lock_is_held+0xb5/0x140
[  389.716697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.722232]  ? check_preemption_disabled+0x48/0x280
[  389.727248]  run_timer_softirq+0x52/0xb0
[  389.731316]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.736327]  __do_softirq+0x308/0xb7e
[  389.740138]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.744781]  ? lock_downgrade+0x900/0x900
[  389.748950]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.754077]  ? pvclock_read_flags+0x160/0x160
[  389.758572]  ? lapic_next_event+0x5a/0x90
[  389.762762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.768331]  ? kvm_clock_read+0x18/0x30
[  389.772307]  ? kvm_sched_clock_read+0x9/0x20
[  389.776751]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.782310]  ? check_preemption_disabled+0x48/0x280
[  389.787356]  irq_exit+0x17f/0x1c0
[  389.790813]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.795657]  ? smp_reschedule_interrupt+0x109/0x650
[  389.800696]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.806583]  ? interrupt_entry+0xb5/0xc0
[  389.810646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.815695]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.820735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.825599]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.830635]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.835671]  ? task_prio+0x50/0x50
[  389.839217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.844761]  ? check_preemption_disabled+0x48/0x280
[  389.849795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.854649]  apic_timer_interrupt+0xf/0x20
[  389.858884]  </IRQ>
[  389.861121] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  389.865788] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  389.884708] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  389.892422] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  389.899715] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  389.906986] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  389.914258] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  389.921525] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  389.928847]  ? mark_held_locks+0x130/0x130
[  389.933084]  ? kernfs_notify_workfn+0xf0/0x440
[  389.937674]  ? mark_held_locks+0x130/0x130
[  389.941933]  ? set_next_entity+0x493/0xc70
[  389.946205]  ? mutex_trylock+0x2b0/0x2b0
[  389.950297]  ? update_load_avg+0x2470/0x2470
[  389.954710]  ? zap_class+0x640/0x640
[  389.958445]  ? zap_class+0x640/0x640
[  389.962162]  ? print_usage_bug+0xc0/0xc0
[  389.966232]  ? find_held_lock+0x36/0x1c0
[  389.970299]  ? mark_held_locks+0xc7/0x130
[  389.974447]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.978947]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.983441]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.988027]  ? trace_hardirqs_on+0xbd/0x310
[  389.992360]  ? kasan_check_read+0x11/0x20
[  389.996521]  ? kernfs_notify_workfn+0xe2/0x440
[  390.001103]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.006215]  mutex_lock_nested+0x16/0x20
[  390.010277]  ? _raw_spin_unlock_irq+0x60/0x80
[  390.014772]  ? mutex_lock_nested+0x16/0x20
[  390.019008]  kernfs_notify_workfn+0xf0/0x440
[  390.023422]  process_one_work+0xc90/0x1c40
[  390.027689]  ? mark_held_locks+0x130/0x130
[  390.031941]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  390.036611]  ? __switch_to_asm+0x40/0x70
[  390.040702]  ? __switch_to_asm+0x34/0x70
[  390.044793]  ? __switch_to_asm+0x40/0x70
[  390.048847]  ? __switch_to_asm+0x34/0x70
[  390.052902]  ? __switch_to_asm+0x40/0x70
[  390.056970]  ? __switch_to_asm+0x34/0x70
[  390.061057]  ? __switch_to_asm+0x40/0x70
[  390.065130]  ? __switch_to_asm+0x34/0x70
[  390.069188]  ? __switch_to_asm+0x40/0x70
[  390.073254]  ? __schedule+0x8d7/0x21d0
[  390.077153]  ? lock_downgrade+0x900/0x900
[  390.081299]  ? zap_class+0x640/0x640
[  390.085010]  ? zap_class+0x640/0x640
[  390.088723]  ? find_held_lock+0x36/0x1c0
[  390.092786]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.097381]  ? lock_acquire+0x1ed/0x520
[  390.101399]  ? worker_thread+0x3e0/0x1390
[  390.105555]  ? kasan_check_read+0x11/0x20
[  390.109709]  ? do_raw_spin_lock+0x14f/0x350
[  390.114030]  ? kasan_check_read+0x11/0x20
[  390.118179]  ? rwlock_bug.part.2+0x90/0x90
[  390.122432]  ? trace_hardirqs_on+0x310/0x310
[  390.126877]  worker_thread+0x17f/0x1390
[  390.130855]  ? __switch_to_asm+0x34/0x70
[  390.134937]  ? process_one_work+0x1c40/0x1c40
[  390.139442]  ? zap_class+0x640/0x640
[  390.143182]  ? __kthread_parkme+0xce/0x1a0
[  390.147416]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.152515]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  390.157620]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  390.162206]  ? trace_hardirqs_on+0xbd/0x310
[  390.166525]  ? kasan_check_read+0x11/0x20
[  390.170682]  ? __kthread_parkme+0xce/0x1a0
[  390.174926]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.180045]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.185156]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  390.190260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.195799]  ? __kthread_parkme+0xfb/0x1a0
[  390.200058]  ? process_one_work+0x1c40/0x1c40
[  390.204551]  kthread+0x35a/0x440
[  390.207938]  ? kthread_stop+0x900/0x900
[  390.211949]  ret_from_fork+0x3a/0x50
[  390.215707] warn_alloc_show_mem: 1 callbacks suppressed
[  390.215718] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  390.215735] Mem-Info:
[  390.215797] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  390.215797]  active_file:9 inactive_file:10 isolated_file:8
[  390.215797]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.215797]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  390.215797]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  390.215797]  free:13786 free_pcp:282 free_cma:0
[  390.221170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.228184] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.230686] Call Trace:
[  390.263675] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  390.273025]  <IRQ>
[  390.300857] lowmem_reserve[]: 0 2818 6321 6321
[  390.303463]  dump_stack+0x244/0x39d
[  390.329567] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  390.331783]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.336335] lowmem_reserve[]: 0 0 3503 3503
[  390.340023]  warn_alloc.cold.116+0xb7/0x1bd
[  390.367377] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  390.372616]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.376900] lowmem_reserve[]: 0 0 0 0
[  390.381225]  ? lock_downgrade+0x900/0x900
[  390.410096] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  390.414946]  ? trace_hardirqs_off+0xb8/0x310
[  390.418721] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  390.422871]  ? trace_hardirqs_off+0xb8/0x310
[  390.436379] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  390.440790]  __alloc_pages_slowpath+0x2651/0x2de0
[  390.455993] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.460445]  ? warn_alloc+0x120/0x120
[  390.475401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.480241]  ? print_usage_bug+0xc0/0xc0
[  390.489053] 4366 total pagecache pages
[  390.492887]  ? warn_alloc+0x120/0x120
[  390.501442] 0 pages in swap cache
[  390.505495]  ? warn_alloc+0x120/0x120
[  390.509352] Swap cache stats: add 0, delete 0, find 0/0
[  390.513140]  ? print_usage_bug+0xc0/0xc0
[  390.516571] Free swap  = 0kB
[  390.520366]  ? print_usage_bug+0xc0/0xc0
[  390.525701] Total swap = 0kB
[  390.529759]  ? __lock_acquire+0x62f/0x4c20
[  390.532751] 1965979 pages RAM
[  390.536802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.539808] 0 pages HighMem/MovableOnly
[  390.544083]  ? should_fail+0x22d/0xd01
[  390.547176] 342854 pages reserved
[  390.552727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.556696] 0 pages cma reserved
[  390.560580]  ? __lock_acquire+0x62f/0x4c20
[  390.564064] aoe: skb alloc failure
[  390.569117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.572562] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.576714]  ? __lock_acquire+0x62f/0x4c20
[  390.580229] kworker/0:2 cpuset=/ mems_allowed=0
[  390.585324]  ? should_fail+0x22d/0xd01
[  390.608397]  ? find_held_lock+0x36/0x1c0
[  390.612490]  ? mark_held_locks+0x130/0x130
[  390.616745]  ? mark_held_locks+0x130/0x130
[  390.620980]  ? zap_class+0x640/0x640
[  390.624697]  ? zap_class+0x640/0x640
[  390.628426]  ? print_usage_bug+0xc0/0xc0
[  390.632510]  ? do_raw_spin_unlock+0xa7/0x330
[  390.636918]  ? zap_class+0x640/0x640
[  390.640639]  ? print_usage_bug+0xc0/0xc0
[  390.644704]  ? wq_watchdog_touch+0x9c/0xfe
[  390.648941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.654490]  ? check_preemption_disabled+0x48/0x280
[  390.659520]  ? __lock_is_held+0xb5/0x140
[  390.663620]  __alloc_pages_nodemask+0xad8/0xea0
[  390.668290]  ? zap_class+0x640/0x640
[  390.672006]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  390.677031]  ? find_held_lock+0x36/0x1c0
[  390.681131]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.685810]  ? lock_downgrade+0x900/0x900
[  390.689998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.695567]  cache_grow_begin+0xa5/0x8c0
[  390.699643]  ? do_raw_spin_unlock+0xa7/0x330
[  390.704098]  fallback_alloc+0x204/0x2e0
[  390.708113]  ____cache_alloc_node+0x1c7/0x1e0
[  390.712612]  kmem_cache_alloc_node+0xe3/0x730
[  390.717109]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.721349]  __alloc_skb+0x119/0x770
[  390.725058]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.730353]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.734811]  ? lock_downgrade+0x900/0x900
[  390.738963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.744498]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.749964]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.755448]  ? addrconf_rs_timer+0x690/0x690
[  390.759895]  ndisc_alloc_skb+0x144/0x340
[  390.763962]  ndisc_send_rs+0x331/0x6e0
[  390.767887]  addrconf_rs_timer+0x314/0x690
[  390.772128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.776376]  call_timer_fn+0x272/0x920
[  390.780298]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.784530]  ? process_timeout+0x40/0x40
[  390.788617]  ? mark_held_locks+0xc7/0x130
[  390.792788]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.797287]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.801799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.806039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.810622]  ? trace_hardirqs_on+0xbd/0x310
[  390.814984]  ? kasan_check_read+0x11/0x20
[  390.819132]  ? __run_timers+0x7da/0xc70
[  390.823144]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.828255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.832509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.836767]  __run_timers+0x7e5/0xc70
[  390.840599]  ? timer_fixup_init+0x70/0x70
[  390.844751]  ? kasan_check_read+0x11/0x20
[  390.848915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.854192]  ? rcu_softirq_qs+0x20/0x20
[  390.858186]  ? mark_held_locks+0xc7/0x130
[  390.862338]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.867103]  ? retint_kernel+0x2d/0x2d
[  390.871016]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.875977]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  390.880751]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.886202]  ? zap_class+0x640/0x640
[  390.889940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.895482]  ? check_preemption_disabled+0x48/0x280
[  390.900509]  ? __lock_is_held+0xb5/0x140
[  390.904589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.910155]  ? check_preemption_disabled+0x48/0x280
[  390.915174]  run_timer_softirq+0x52/0xb0
[  390.919235]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.924298]  __do_softirq+0x308/0xb7e
[  390.928145]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.932642]  ? lock_downgrade+0x900/0x900
[  390.936804]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.941920]  ? pvclock_read_flags+0x160/0x160
[  390.946429]  ? lapic_next_event+0x5a/0x90
[  390.950583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.956141]  ? kvm_clock_read+0x18/0x30
[  390.960138]  ? kvm_sched_clock_read+0x9/0x20
[  390.964552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.970094]  ? check_preemption_disabled+0x48/0x280
[  390.975125]  irq_exit+0x17f/0x1c0
[  390.978585]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.983434]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.989320]  ? interrupt_entry+0xb5/0xc0
[  390.993387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.998402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.003448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.008312]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.013331]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.018379]  ? task_prio+0x50/0x50
[  391.021921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.027481]  ? check_preemption_disabled+0x48/0x280
[  391.032505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.037380]  apic_timer_interrupt+0xf/0x20
[  391.041606]  </IRQ>
[  391.043855] RIP: 0010:dump_stack+0x358/0x39d
[  391.048265] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  391.067173] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  391.074888] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  391.082156] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  391.089428] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  391.096696] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  391.103967] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  391.111264]  ? dump_stack+0x34f/0x39d
[  391.115082]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.120278]  ? mark_held_locks+0x130/0x130
[  391.124512]  ? mark_held_locks+0x130/0x130
[  391.128750]  dump_header+0x27b/0xf72
[  391.132473]  ? pagefault_out_of_memory+0x197/0x197
[  391.137410]  ? __lock_acquire+0x62f/0x4c20
[  391.141672]  ? percpu_ref_get_many+0x240/0x240
[  391.146254]  ? print_usage_bug+0xc0/0xc0
[  391.150317]  ? zap_class+0x640/0x640
[  391.154035]  ? print_usage_bug+0xc0/0xc0
[  391.158096]  ? print_usage_bug+0xc0/0xc0
[  391.162159]  ? zap_class+0x640/0x640
[  391.165881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.171434]  ? find_held_lock+0x36/0x1c0
[  391.175503]  ? mark_held_locks+0xc7/0x130
[  391.179652]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.184764]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  391.189880]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.194464]  ? trace_hardirqs_on+0xbd/0x310
[  391.198782]  ? kasan_check_read+0x11/0x20
[  391.202942]  ? ___ratelimit+0x3b4/0x672
[  391.206931]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.212046]  ? trace_hardirqs_on+0x310/0x310
[  391.216454]  ? lock_downgrade+0x900/0x900
[  391.220609]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  391.225718]  ? ___ratelimit+0x3b9/0x672
[  391.229696]  ? idr_get_free+0xf70/0xf70
[  391.233677]  ? find_held_lock+0x36/0x1c0
[  391.237750]  oom_kill_process.cold.27+0x10/0x903
[  391.242514]  ? zap_class+0x640/0x640
[  391.246222]  ? check_preemption_disabled+0x48/0x280
[  391.251239]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.256182]  ? kasan_check_read+0x11/0x20
[  391.260325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.265630]  ? oom_evaluate_task+0x540/0x540
[  391.270061]  ? find_held_lock+0x36/0x1c0
[  391.274130]  ? out_of_memory+0x974/0x1430
[  391.278276]  ? lock_downgrade+0x900/0x900
[  391.282458]  ? check_preemption_disabled+0x48/0x280
[  391.287477]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.292414]  ? kasan_check_read+0x11/0x20
[  391.296576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.301848]  ? rcu_softirq_qs+0x20/0x20
[  391.305861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.311411]  ? oom_evaluate_task+0x302/0x540
[  391.315828]  out_of_memory+0xa84/0x1430
[  391.319829]  ? oom_killer_disable+0x3a0/0x3a0
[  391.324354]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  391.329288]  ? __ww_mutex_check_waiters+0x160/0x160
[  391.334317]  __alloc_pages_slowpath+0x232c/0x2de0
[  391.339188]  ? warn_alloc+0x120/0x120
[  391.342990]  ? mark_held_locks+0x130/0x130
[  391.347230]  ? find_get_entry+0xaae/0x1120
[  391.351472]  ? filemap_map_pages+0x1a20/0x1a20
[  391.356076]  ? zap_class+0x640/0x640
[  391.359808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.365343]  ? check_preemption_disabled+0x48/0x280
[  391.370355]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.375889]  ? should_fail+0x22d/0xd01
[  391.379782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.384921]  ? zap_class+0x640/0x640
[  391.388666]  ? __lock_is_held+0xb5/0x140
[  391.392738]  ? mark_held_locks+0x130/0x130
[  391.396976]  ? lock_release+0xa00/0xa00
[  391.400949]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.406425]  ? xa_load+0x2ba/0x460
[  391.409984]  ? lock_downgrade+0x900/0x900
[  391.414138]  ? __might_sleep+0x95/0x190
[  391.418117]  __alloc_pages_nodemask+0xad8/0xea0
[  391.422798]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  391.427848]  ? __page_cache_alloc+0x191/0x5c0
[  391.432368]  ? xa_load+0x2e1/0x460
[  391.435905]  ? xa_clear_mark+0x40/0x40
[  391.439805]  ? zap_class+0x640/0x640
[  391.443521]  ? zap_class+0x640/0x640
[  391.447230]  ? zap_class+0x640/0x640
[  391.450944]  ? __do_page_cache_readahead+0x663/0x810
[  391.456050]  ? find_held_lock+0x36/0x1c0
[  391.460138]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  391.465689]  alloc_pages_current+0x173/0x350
[  391.470105]  __page_cache_alloc+0x38c/0x5c0
[  391.474436]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.479363]  ? kasan_check_read+0x11/0x20
[  391.483510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.488799]  ? generic_perform_write+0x6a0/0x6a0
[  391.493567]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.499101]  ? check_preemption_disabled+0x48/0x280
[  391.504125]  filemap_fault+0x1595/0x25f0
[  391.508196]  ? __lock_page_or_retry+0xa00/0xa00
[  391.512871]  ? mark_held_locks+0x130/0x130
[  391.517125]  ? filemap_map_pages+0xd6b/0x1a20
[  391.521618]  ? lock_downgrade+0x900/0x900
[  391.525805]  ? check_preemption_disabled+0x48/0x280
[  391.530867]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.535798]  ? kasan_check_read+0x11/0x20
[  391.539948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.545227]  ? rcu_softirq_qs+0x20/0x20
[  391.549217]  ? filemap_map_pages+0xd92/0x1a20
[  391.553726]  ? find_get_entries_tag+0x1400/0x1400
[  391.558570]  ? debug_object_destroy+0x2b0/0x2b0
[  391.563243]  ? lock_pi_update_atomic+0x150/0x150
[  391.567998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.573548]  ? lock_acquire+0x1ed/0x520
[  391.577522]  ? ext4_filemap_fault+0x7a/0xad
[  391.581851]  ? lock_release+0xa00/0xa00
[  391.585823]  ? perf_trace_sched_process_exec+0x860/0x860
[  391.591279]  ? print_usage_bug+0xc0/0xc0
[  391.595342]  ? print_usage_bug+0xc0/0xc0
[  391.599463]  ? down_read+0x8d/0x120
[  391.603090]  ? ext4_filemap_fault+0x7a/0xad
[  391.607414]  ? __down_interruptible+0x700/0x700
[  391.612098]  ext4_filemap_fault+0x82/0xad
[  391.616255]  __do_fault+0x100/0x6b0
[  391.619889]  ? pmd_devmap_trans_unstable+0x220/0x220
[  391.624993]  ? mark_held_locks+0x130/0x130
[  391.629225]  ? mark_held_locks+0x130/0x130
[  391.633473]  ? __might_fault+0x12b/0x1e0
[  391.637548]  ? lock_downgrade+0x900/0x900
[  391.641704]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.647275]  __handle_mm_fault+0x3ea0/0x5be0
[  391.651708]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  391.656557]  ? _copy_to_user+0xc8/0x110
[  391.660556]  ? zap_class+0x640/0x640
[  391.664269]  ? zap_class+0x640/0x640
[  391.667982]  ? __x64_sys_futex+0x53e/0x6a0
[  391.672219]  ? find_held_lock+0x36/0x1c0
[  391.676287]  ? handle_mm_fault+0x42a/0xc70
[  391.680531]  ? lock_downgrade+0x900/0x900
[  391.684695]  ? check_preemption_disabled+0x48/0x280
[  391.689720]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  391.694669]  ? kasan_check_read+0x11/0x20
[  391.698820]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.704100]  ? rcu_softirq_qs+0x20/0x20
[  391.708086]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.713221]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.718763]  ? check_preemption_disabled+0x48/0x280
[  391.723785]  handle_mm_fault+0x54f/0xc70
[  391.727877]  ? __handle_mm_fault+0x5be0/0x5be0
[  391.732501]  ? find_vma+0x34/0x190
[  391.736044]  __do_page_fault+0x5e8/0xe60
[  391.740107]  ? trace_hardirqs_off+0xb8/0x310
[  391.744966]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.750514]  do_page_fault+0xf2/0x7e0
[  391.754334]  ? vmalloc_sync_all+0x30/0x30
[  391.758488]  ? error_entry+0x70/0xd0
[  391.762208]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.767229]  ? trace_hardirqs_on_caller+0xc0/0x310
[  391.772174]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.777121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.781992]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.787009]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.792467]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.797507]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.802535]  ? page_fault+0x8/0x30
[  391.806097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.810961]  ? page_fault+0x8/0x30
[  391.814510]  page_fault+0x1e/0x30
[  391.817962] RIP: 0033:0x45ddf3
[  391.821166] Code: Bad RIP value.
[  391.824522] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  391.829880] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  391.837144] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  391.844458] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  391.851725] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  391.859011] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  391.866337] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  391.866415] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.873455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.873491] Workqueue: events kernfs_notify_workfn
[  391.873498] Call Trace:
[  391.873509]  <IRQ>
[  391.880088] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.889362]  dump_stack+0x244/0x39d
[  391.894282] syz-fuzzer cpuset=/ mems_allowed=0
[  391.896865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.922581]  warn_alloc.cold.116+0xb7/0x1bd
[  391.926908]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.931760]  ? lock_downgrade+0x900/0x900
[  391.935926]  ? trace_hardirqs_off+0xb8/0x310
[  391.940351]  ? trace_hardirqs_off+0xb8/0x310
[  391.944778]  __alloc_pages_slowpath+0x2651/0x2de0
[  391.949652]  ? warn_alloc+0x120/0x120
[  391.953469]  ? warn_alloc+0x120/0x120
[  391.957275]  ? warn_alloc+0x120/0x120
[  391.961110]  ? print_usage_bug+0xc0/0xc0
[  391.965180]  ? print_usage_bug+0xc0/0xc0
[  391.969242]  ? ktime_get+0x2c1/0x400
[  391.972983]  ? check_preemption_disabled+0x48/0x280
[  391.978013]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.982526]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.988064]  ? should_fail+0x22d/0xd01
[  391.991973]  ? kasan_check_read+0x11/0x20
[  391.996125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.001232]  ? __lock_acquire+0x62f/0x4c20
[  392.005471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.010586]  ? should_fail+0x22d/0xd01
[  392.014479]  ? print_usage_bug+0xc0/0xc0
[  392.018589]  ? mark_held_locks+0x130/0x130
[  392.022839]  ? mark_held_locks+0x130/0x130
[  392.027091]  ? check_preemption_disabled+0x48/0x280
[  392.032156]  ? zap_class+0x640/0x640
[  392.035878]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  392.040654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.046212]  ? check_preemption_disabled+0x48/0x280
[  392.051241]  ? __lock_is_held+0xb5/0x140
[  392.055308]  __alloc_pages_nodemask+0xad8/0xea0
[  392.059982]  ? zap_class+0x640/0x640
[  392.063714]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  392.068741]  ? find_held_lock+0x36/0x1c0
[  392.072823]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.077497]  ? lock_downgrade+0x900/0x900
[  392.081655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.087213]  cache_grow_begin+0xa5/0x8c0
[  392.091277]  ? do_raw_spin_unlock+0xa7/0x330
[  392.095701]  fallback_alloc+0x204/0x2e0
[  392.099692]  ____cache_alloc_node+0x1c7/0x1e0
[  392.104196]  kmem_cache_alloc_node+0xe3/0x730
[  392.108704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.113296]  __alloc_skb+0x119/0x770
[  392.117011]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  392.122382]  ? netdev_alloc_frag+0x1f0/0x1f0
[  392.126803]  ? vprintk_default+0x28/0x30
[  392.130962]  ? vprintk_func+0x85/0x181
[  392.134847]  ? printk+0xa7/0xcf
[  392.138126]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  392.142919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.148487]  new_skb+0x26/0x1c0
[  392.151784]  aoecmd_cfg+0x279/0x7f0
[  392.155427]  ? find_held_lock+0x36/0x1c0
[  392.159493]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  392.163820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.169367]  ? __lock_is_held+0xb5/0x140
[  392.173436]  discover_timer+0x50/0x60
[  392.177237]  call_timer_fn+0x272/0x920
[  392.181141]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  392.185995]  ? process_timeout+0x40/0x40
[  392.190089]  ? mark_held_locks+0xc7/0x130
[  392.194258]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.198756]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.203248]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  392.208091]  ? lockdep_hardirqs_on+0x296/0x5b0
[  392.212684]  ? trace_hardirqs_on+0xbd/0x310
[  392.217033]  ? kasan_check_read+0x11/0x20
[  392.221182]  ? __run_timers+0x7da/0xc70
[  392.225170]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.230301]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  392.235142]  __run_timers+0x7e5/0xc70
[  392.238988]  ? timer_fixup_init+0x70/0x70
[  392.243136]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.248172]  ? zap_class+0x640/0x640
[  392.251895]  ? print_usage_bug+0xc0/0xc0
[  392.255957]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.261150]  ? find_held_lock+0x36/0x1c0
[  392.265212]  ? zap_class+0x640/0x640
[  392.268937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.274498]  ? check_preemption_disabled+0x48/0x280
[  392.279554]  ? __lock_is_held+0xb5/0x140
[  392.283614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.289168]  ? check_preemption_disabled+0x48/0x280
[  392.294238]  run_timer_softirq+0x52/0xb0
[  392.298314]  ? rcu_read_lock_sched_held+0x14f/0x180
[  392.303332]  __do_softirq+0x308/0xb7e
[  392.307138]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  392.311638]  ? lock_downgrade+0x900/0x900
[  392.315797]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  392.320915]  ? pvclock_read_flags+0x160/0x160
[  392.325420]  ? lapic_next_event+0x5a/0x90
[  392.329580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.335135]  ? kvm_clock_read+0x18/0x30
[  392.339124]  ? kvm_sched_clock_read+0x9/0x20
[  392.343532]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.349068]  ? check_preemption_disabled+0x48/0x280
[  392.354108]  irq_exit+0x17f/0x1c0
[  392.357567]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.362405]  ? smp_reschedule_interrupt+0x109/0x650
[  392.367423]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.373305]  ? interrupt_entry+0xb5/0xc0
[  392.377392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.382409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.387431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.392275]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.397288]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.402301]  ? task_prio+0x50/0x50
[  392.405846]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.411387]  ? check_preemption_disabled+0x48/0x280
[  392.416433]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.421319]  apic_timer_interrupt+0xf/0x20
[  392.425545]  </IRQ>
[  392.427783] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  392.432463] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  392.451389] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.459097] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  392.466399] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  392.473695] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  392.480965] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  392.488237] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  392.495541]  ? mark_held_locks+0x130/0x130
[  392.499777]  ? kernfs_notify_workfn+0xf0/0x440
[  392.504362]  ? mark_held_locks+0x130/0x130
[  392.508612]  ? set_next_entity+0x493/0xc70
[  392.512858]  ? mutex_trylock+0x2b0/0x2b0
[  392.516968]  ? update_load_avg+0x2470/0x2470
[  392.521387]  ? zap_class+0x640/0x640
[  392.525108]  ? zap_class+0x640/0x640
[  392.528825]  ? print_usage_bug+0xc0/0xc0
[  392.532898]  ? find_held_lock+0x36/0x1c0
[  392.536972]  ? mark_held_locks+0xc7/0x130
[  392.541126]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.545615]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.550109]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.554700]  ? trace_hardirqs_on+0xbd/0x310
[  392.559020]  ? kasan_check_read+0x11/0x20
[  392.563258]  ? kernfs_notify_workfn+0xe2/0x440
[  392.567842]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.572996]  mutex_lock_nested+0x16/0x20
[  392.577057]  ? _raw_spin_unlock_irq+0x60/0x80
[  392.581550]  ? mutex_lock_nested+0x16/0x20
[  392.585784]  kernfs_notify_workfn+0xf0/0x440
[  392.590201]  process_one_work+0xc90/0x1c40
[  392.594437]  ? mark_held_locks+0x130/0x130
[  392.598710]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  392.603378]  ? __switch_to_asm+0x40/0x70
[  392.607438]  ? __switch_to_asm+0x34/0x70
[  392.611996]  ? __switch_to_asm+0x40/0x70
[  392.616053]  ? __switch_to_asm+0x34/0x70
[  392.620156]  ? __switch_to_asm+0x40/0x70
[  392.624249]  ? __switch_to_asm+0x34/0x70
[  392.628325]  ? __switch_to_asm+0x40/0x70
[  392.632431]  ? __switch_to_asm+0x34/0x70
[  392.636490]  ? __switch_to_asm+0x40/0x70
[  392.640560]  ? __schedule+0x8d7/0x21d0
[  392.644474]  ? lock_downgrade+0x900/0x900
[  392.648649]  ? zap_class+0x640/0x640
[  392.652372]  ? zap_class+0x640/0x640
[  392.656119]  ? find_held_lock+0x36/0x1c0
[  392.660181]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.664779]  ? lock_acquire+0x1ed/0x520
[  392.668768]  ? worker_thread+0x3e0/0x1390
[  392.672929]  ? kasan_check_read+0x11/0x20
[  392.677073]  ? do_raw_spin_lock+0x14f/0x350
[  392.681401]  ? kasan_check_read+0x11/0x20
[  392.685562]  ? rwlock_bug.part.2+0x90/0x90
[  392.689796]  ? trace_hardirqs_on+0x310/0x310
[  392.694267]  worker_thread+0x17f/0x1390
[  392.698278]  ? __switch_to_asm+0x34/0x70
[  392.702369]  ? process_one_work+0x1c40/0x1c40
[  392.706872]  ? zap_class+0x640/0x640
[  392.710611]  ? __kthread_parkme+0xce/0x1a0
[  392.714848]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.719973]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.725097]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.729700]  ? trace_hardirqs_on+0xbd/0x310
[  392.734035]  ? kasan_check_read+0x11/0x20
[  392.738185]  ? __kthread_parkme+0xce/0x1a0
[  392.742421]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.747523]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.752635]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.757782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.763323]  ? __kthread_parkme+0xfb/0x1a0
[  392.767612]  ? process_one_work+0x1c40/0x1c40
[  392.772109]  kthread+0x35a/0x440
[  392.775514]  ? kthread_stop+0x900/0x900
[  392.779517]  ret_from_fork+0x3a/0x50
[  392.783244] warn_alloc_show_mem: 1 callbacks suppressed
[  392.783255] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  392.783257] Mem-Info:
[  392.783316] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  392.783316]  active_file:9 inactive_file:10 isolated_file:8
[  392.783316]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.783316]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  392.783316]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  392.783316]  free:13786 free_pcp:282 free_cma:0
[  392.788665] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.795709] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.798111] Call Trace:
[  392.831077] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  392.840430]  <IRQ>
[  392.868272] lowmem_reserve[]: 0 2818 6321 6321
[  392.870892]  dump_stack+0x244/0x39d
[  392.896981] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  392.899133]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.903680] lowmem_reserve[]: 0 0 3503 3503
[  392.907322]  warn_alloc.cold.116+0xb7/0x1bd
[  392.934624] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  392.939832]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.944118] lowmem_reserve[]: 0 0 0 0
[  392.948467]  ? lock_downgrade+0x900/0x900
[  392.977341] 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
[  392.982197]  ? trace_hardirqs_off+0xb8/0x310
[  392.985964] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  392.990110]  ? trace_hardirqs_off+0xb8/0x310
[  393.003615] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  393.008035]  __alloc_pages_slowpath+0x2651/0x2de0
[  393.023194] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  393.027625]  ? warn_alloc+0x120/0x120
[  393.044759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.049610]  ? print_usage_bug+0xc0/0xc0
[  393.058417] 4366 total pagecache pages
[  393.062223]  ? warn_alloc+0x120/0x120
[  393.070780] 0 pages in swap cache
[  393.074840]  ? warn_alloc+0x120/0x120
[  393.078702] Swap cache stats: add 0, delete 0, find 0/0
[  393.082504]  ? print_usage_bug+0xc0/0xc0
[  393.085949] Free swap  = 0kB
[  393.089742]  ? kvm_clock_read+0x18/0x30
[  393.095079] Total swap = 0kB
[  393.099145]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.102138] 1965979 pages RAM
[  393.106110]  ? print_usage_bug+0xc0/0xc0
[  393.109123] 0 pages HighMem/MovableOnly
[  393.109132] 342854 pages reserved
[  393.114146]  ? __lock_acquire+0x62f/0x4c20
[  393.117246] 0 pages cma reserved
[  393.121321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.125422] aoe: skb alloc failure
[  393.128812]  ? should_fail+0x22d/0xd01
[  393.133079] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.136379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.141892] kworker/0:2 cpuset=/ mems_allowed=0
[  393.145436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.174627]  ? __lock_acquire+0x62f/0x4c20
[  393.178877]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.183980]  ? __lock_acquire+0x62f/0x4c20
[  393.188238]  ? should_fail+0x22d/0xd01
[  393.192154]  ? rcu_irq_exit+0x1a2/0x390
[  393.196139]  ? mark_held_locks+0x130/0x130
[  393.200379]  ? mark_held_locks+0x130/0x130
[  393.204615]  ? mark_held_locks+0xc7/0x130
[  393.208764]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.213777]  ? zap_class+0x640/0x640
[  393.217492]  ? print_usage_bug+0xc0/0xc0
[  393.221563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.227101]  ? check_preemption_disabled+0x48/0x280
[  393.232158]  ? __lock_is_held+0xb5/0x140
[  393.236249]  __alloc_pages_nodemask+0xad8/0xea0
[  393.240928]  ? zap_class+0x640/0x640
[  393.244677]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  393.249711]  ? find_held_lock+0x36/0x1c0
[  393.253787]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.258459]  ? lock_downgrade+0x900/0x900
[  393.262621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.268169]  cache_grow_begin+0xa5/0x8c0
[  393.272237]  ? do_raw_spin_unlock+0xa7/0x330
[  393.276668]  fallback_alloc+0x204/0x2e0
[  393.280675]  ____cache_alloc_node+0x1c7/0x1e0
[  393.285185]  kmem_cache_alloc_node+0xe3/0x730
[  393.289697]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.293945]  __alloc_skb+0x119/0x770
[  393.297682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.302968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.307382]  ? lock_downgrade+0x900/0x900
[  393.311560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.317103]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.322563]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.328020]  ? addrconf_rs_timer+0x690/0x690
[  393.332451]  ndisc_alloc_skb+0x144/0x340
[  393.336526]  ndisc_send_rs+0x331/0x6e0
[  393.340469]  addrconf_rs_timer+0x314/0x690
[  393.344738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.349003]  call_timer_fn+0x272/0x920
[  393.352894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.357135]  ? process_timeout+0x40/0x40
[  393.361212]  ? mark_held_locks+0xc7/0x130
[  393.365365]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.369891]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.374398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.378638]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.383226]  ? trace_hardirqs_on+0xbd/0x310
[  393.387551]  ? kasan_check_read+0x11/0x20
[  393.391698]  ? __run_timers+0x7da/0xc70
[  393.395685]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.400796]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.405039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.409294]  __run_timers+0x7e5/0xc70
[  393.413125]  ? timer_fixup_init+0x70/0x70
[  393.417276]  ? kasan_check_read+0x11/0x20
[  393.421433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.426725]  ? rcu_softirq_qs+0x20/0x20
[  393.430726]  ? mark_held_locks+0xc7/0x130
[  393.434880]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.439643]  ? retint_kernel+0x2d/0x2d
[  393.443556]  ? trace_hardirqs_on_caller+0xc0/0x310
[  393.448493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.453270]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.458730]  ? zap_class+0x640/0x640
[  393.462454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.467995]  ? check_preemption_disabled+0x48/0x280
[  393.473054]  ? __lock_is_held+0xb5/0x140
[  393.477121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.482693]  ? check_preemption_disabled+0x48/0x280
[  393.487721]  run_timer_softirq+0x52/0xb0
[  393.491791]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.496814]  __do_softirq+0x308/0xb7e
[  393.500628]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.505129]  ? lock_downgrade+0x900/0x900
[  393.509282]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.514398]  ? pvclock_read_flags+0x160/0x160
[  393.518900]  ? lapic_next_event+0x5a/0x90
[  393.523085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.528641]  ? kvm_clock_read+0x18/0x30
[  393.532619]  ? kvm_sched_clock_read+0x9/0x20
[  393.537027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.542578]  ? check_preemption_disabled+0x48/0x280
[  393.547620]  irq_exit+0x17f/0x1c0
[  393.551079]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.555921]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.561821]  ? interrupt_entry+0xb5/0xc0
[  393.565882]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.570896]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.575929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.580767]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.585779]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.590797]  ? task_prio+0x50/0x50
[  393.594336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.599903]  ? check_preemption_disabled+0x48/0x280
[  393.604965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.609831]  apic_timer_interrupt+0xf/0x20
[  393.614056]  </IRQ>
[  393.616321] RIP: 0010:dump_stack+0x358/0x39d
[  393.620745] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  393.639655] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  393.647447] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  393.654723] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  393.661996] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  393.669270] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  393.676541] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  393.683858]  ? dump_stack+0x34f/0x39d
[  393.687694]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.692916]  ? mark_held_locks+0x130/0x130
[  393.697173]  ? mark_held_locks+0x130/0x130
[  393.701411]  dump_header+0x27b/0xf72
[  393.705142]  ? pagefault_out_of_memory+0x197/0x197
[  393.710110]  ? __lock_acquire+0x62f/0x4c20
[  393.714345]  ? percpu_ref_get_many+0x240/0x240
[  393.718928]  ? print_usage_bug+0xc0/0xc0
[  393.722991]  ? zap_class+0x640/0x640
[  393.726724]  ? print_usage_bug+0xc0/0xc0
[  393.730785]  ? print_usage_bug+0xc0/0xc0
[  393.734857]  ? zap_class+0x640/0x640
[  393.738574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.744629]  ? find_held_lock+0x36/0x1c0
[  393.748703]  ? mark_held_locks+0xc7/0x130
[  393.752856]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.758005]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  393.763195]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.767778]  ? trace_hardirqs_on+0xbd/0x310
[  393.772104]  ? kasan_check_read+0x11/0x20
[  393.776264]  ? ___ratelimit+0x3b4/0x672
[  393.780240]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.785342]  ? trace_hardirqs_on+0x310/0x310
[  393.789755]  ? lock_downgrade+0x900/0x900
[  393.793907]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  393.799011]  ? ___ratelimit+0x3b9/0x672
[  393.802991]  ? idr_get_free+0xf70/0xf70
[  393.806968]  ? find_held_lock+0x36/0x1c0
[  393.811044]  oom_kill_process.cold.27+0x10/0x903
[  393.815802]  ? zap_class+0x640/0x640
[  393.819521]  ? check_preemption_disabled+0x48/0x280
[  393.824547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.829482]  ? kasan_check_read+0x11/0x20
[  393.833634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.838938]  ? oom_evaluate_task+0x540/0x540
[  393.843352]  ? find_held_lock+0x36/0x1c0
[  393.847427]  ? out_of_memory+0x974/0x1430
[  393.851579]  ? lock_downgrade+0x900/0x900
[  393.855763]  ? check_preemption_disabled+0x48/0x280
[  393.860804]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  393.865736]  ? kasan_check_read+0x11/0x20
[  393.869916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.875194]  ? rcu_softirq_qs+0x20/0x20
[  393.879177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.884713]  ? oom_evaluate_task+0x302/0x540
[  393.889139]  out_of_memory+0xa84/0x1430
[  393.893117]  ? oom_killer_disable+0x3a0/0x3a0
[  393.897666]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  393.902612]  ? __ww_mutex_check_waiters+0x160/0x160
[  393.907636]  __alloc_pages_slowpath+0x232c/0x2de0
[  393.912506]  ? warn_alloc+0x120/0x120
[  393.916302]  ? mark_held_locks+0x130/0x130
[  393.920554]  ? find_get_entry+0xaae/0x1120
[  393.924824]  ? filemap_map_pages+0x1a20/0x1a20
[  393.929412]  ? zap_class+0x640/0x640
[  393.933154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.938701]  ? check_preemption_disabled+0x48/0x280
[  393.943734]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.949267]  ? should_fail+0x22d/0xd01
[  393.953175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.958279]  ? zap_class+0x640/0x640
[  393.962019]  ? __lock_is_held+0xb5/0x140
[  393.966098]  ? mark_held_locks+0x130/0x130
[  393.970337]  ? lock_release+0xa00/0xa00
[  393.974325]  ? perf_trace_sched_process_exec+0x860/0x860
[  393.979776]  ? xa_load+0x2ba/0x460
[  393.983316]  ? lock_downgrade+0x900/0x900
[  393.987467]  ? __might_sleep+0x95/0x190
[  393.991451]  __alloc_pages_nodemask+0xad8/0xea0
[  393.996129]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  394.001159]  ? __page_cache_alloc+0x191/0x5c0
[  394.005649]  ? xa_load+0x2e1/0x460
[  394.009198]  ? xa_clear_mark+0x40/0x40
[  394.013090]  ? zap_class+0x640/0x640
[  394.016812]  ? zap_class+0x640/0x640
[  394.020524]  ? zap_class+0x640/0x640
[  394.024259]  ? __do_page_cache_readahead+0x663/0x810
[  394.029370]  ? find_held_lock+0x36/0x1c0
[  394.033439]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  394.038985]  alloc_pages_current+0x173/0x350
[  394.043404]  __page_cache_alloc+0x38c/0x5c0
[  394.047730]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.052667]  ? kasan_check_read+0x11/0x20
[  394.056940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.062219]  ? generic_perform_write+0x6a0/0x6a0
[  394.066980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.072555]  ? check_preemption_disabled+0x48/0x280
[  394.077597]  filemap_fault+0x1595/0x25f0
[  394.081682]  ? __lock_page_or_retry+0xa00/0xa00
[  394.086375]  ? mark_held_locks+0x130/0x130
[  394.090626]  ? filemap_map_pages+0xd6b/0x1a20
[  394.095123]  ? lock_downgrade+0x900/0x900
[  394.099268]  ? check_preemption_disabled+0x48/0x280
[  394.104317]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.109259]  ? kasan_check_read+0x11/0x20
[  394.113414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.118782]  ? rcu_softirq_qs+0x20/0x20
[  394.122771]  ? filemap_map_pages+0xd92/0x1a20
[  394.127280]  ? find_get_entries_tag+0x1400/0x1400
[  394.132148]  ? debug_object_destroy+0x2b0/0x2b0
[  394.136825]  ? lock_pi_update_atomic+0x150/0x150
[  394.141583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.147146]  ? lock_acquire+0x1ed/0x520
[  394.151149]  ? ext4_filemap_fault+0x7a/0xad
[  394.155478]  ? lock_release+0xa00/0xa00
[  394.159478]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.164958]  ? print_usage_bug+0xc0/0xc0
[  394.169043]  ? print_usage_bug+0xc0/0xc0
[  394.173130]  ? down_read+0x8d/0x120
[  394.176750]  ? ext4_filemap_fault+0x7a/0xad
[  394.181107]  ? __down_interruptible+0x700/0x700
[  394.185803]  ext4_filemap_fault+0x82/0xad
[  394.189953]  __do_fault+0x100/0x6b0
[  394.193581]  ? pmd_devmap_trans_unstable+0x220/0x220
[  394.198689]  ? mark_held_locks+0x130/0x130
[  394.202921]  ? mark_held_locks+0x130/0x130
[  394.207153]  ? __might_fault+0x12b/0x1e0
[  394.211240]  ? lock_downgrade+0x900/0x900
[  394.215394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.220941]  __handle_mm_fault+0x3ea0/0x5be0
[  394.225446]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  394.230294]  ? _copy_to_user+0xc8/0x110
[  394.234307]  ? zap_class+0x640/0x640
[  394.238019]  ? zap_class+0x640/0x640
[  394.241759]  ? __x64_sys_futex+0x53e/0x6a0
[  394.246019]  ? find_held_lock+0x36/0x1c0
[  394.250103]  ? handle_mm_fault+0x42a/0xc70
[  394.254338]  ? lock_downgrade+0x900/0x900
[  394.258485]  ? check_preemption_disabled+0x48/0x280
[  394.263500]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.268447]  ? kasan_check_read+0x11/0x20
[  394.272612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.277901]  ? rcu_softirq_qs+0x20/0x20
[  394.281905]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.287021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.292594]  ? check_preemption_disabled+0x48/0x280
[  394.297624]  handle_mm_fault+0x54f/0xc70
[  394.301697]  ? __handle_mm_fault+0x5be0/0x5be0
[  394.306315]  ? find_vma+0x34/0x190
[  394.309860]  __do_page_fault+0x5e8/0xe60
[  394.313923]  ? trace_hardirqs_off+0xb8/0x310
[  394.318331]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  394.323893]  do_page_fault+0xf2/0x7e0
[  394.327710]  ? vmalloc_sync_all+0x30/0x30
[  394.331857]  ? error_entry+0x70/0xd0
[  394.335569]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.340585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  394.345514]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.350477]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.355321]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.360335]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.365787]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  394.370805]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.375832]  ? page_fault+0x8/0x30
[  394.379371]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.384218]  ? page_fault+0x8/0x30
[  394.387759]  page_fault+0x1e/0x30
[  394.391212] RIP: 0033:0x45ddf3
[  394.394424] Code: Bad RIP value.
[  394.397782] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  394.403142] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  394.410411] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  394.417694] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  394.424966] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  394.432248] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  394.439563] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  394.439628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  394.446693] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.446715] Workqueue: events kernfs_notify_workfn
[  394.453335] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  394.462561] Call Trace:
[  394.467481] syz-fuzzer cpuset=/ mems_allowed=0
[  394.477719]  <IRQ>
[  394.487023]  dump_stack+0x244/0x39d
[  394.490670]  ? dump_stack_print_info.cold.1+0x20/0x20
[  394.495883]  warn_alloc.cold.116+0xb7/0x1bd
[  394.500255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.505123]  ? lock_downgrade+0x900/0x900
[  394.509282]  ? trace_hardirqs_off+0xb8/0x310
[  394.513705]  ? trace_hardirqs_off+0xb8/0x310
[  394.518140]  __alloc_pages_slowpath+0x2651/0x2de0
[  394.523018]  ? warn_alloc+0x120/0x120
[  394.526831]  ? warn_alloc+0x120/0x120
[  394.530638]  ? warn_alloc+0x120/0x120
[  394.534450]  ? print_usage_bug+0xc0/0xc0
[  394.538518]  ? print_usage_bug+0xc0/0xc0
[  394.542580]  ? ktime_get+0x2c1/0x400
[  394.546307]  ? check_preemption_disabled+0x48/0x280
[  394.551324]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.555843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.561416]  ? should_fail+0x22d/0xd01
[  394.565315]  ? kasan_check_read+0x11/0x20
[  394.569472]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.574590]  ? __lock_acquire+0x62f/0x4c20
[  394.578831]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.583951]  ? should_fail+0x22d/0xd01
[  394.587837]  ? print_usage_bug+0xc0/0xc0
[  394.591906]  ? mark_held_locks+0x130/0x130
[  394.596146]  ? mark_held_locks+0x130/0x130
[  394.600400]  ? check_preemption_disabled+0x48/0x280
[  394.605437]  ? zap_class+0x640/0x640
[  394.609160]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  394.614166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.619722]  ? check_preemption_disabled+0x48/0x280
[  394.624752]  ? __lock_is_held+0xb5/0x140
[  394.628849]  __alloc_pages_nodemask+0xad8/0xea0
[  394.633534]  ? zap_class+0x640/0x640
[  394.637272]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  394.642303]  ? find_held_lock+0x36/0x1c0
[  394.646377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.651060]  ? lock_downgrade+0x900/0x900
[  394.655221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.660767]  cache_grow_begin+0xa5/0x8c0
[  394.664832]  ? do_raw_spin_unlock+0xa7/0x330
[  394.669267]  fallback_alloc+0x204/0x2e0
[  394.673253]  ____cache_alloc_node+0x1c7/0x1e0
[  394.677756]  kmem_cache_alloc_node+0xe3/0x730
[  394.682272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.686885]  __alloc_skb+0x119/0x770
[  394.690632]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  394.696016]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.700434]  ? vprintk_default+0x28/0x30
[  394.704510]  ? vprintk_func+0x85/0x181
[  394.708401]  ? printk+0xa7/0xcf
[  394.711694]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  394.716459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.722009]  new_skb+0x26/0x1c0
[  394.725317]  aoecmd_cfg+0x279/0x7f0
[  394.728952]  ? find_held_lock+0x36/0x1c0
[  394.733032]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  394.737395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.742970]  ? __lock_is_held+0xb5/0x140
[  394.747047]  discover_timer+0x50/0x60
[  394.750851]  call_timer_fn+0x272/0x920
[  394.754744]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  394.759604]  ? process_timeout+0x40/0x40
[  394.763701]  ? mark_held_locks+0xc7/0x130
[  394.767863]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.772445]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.776947]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  394.781793]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.786378]  ? trace_hardirqs_on+0xbd/0x310
[  394.790711]  ? kasan_check_read+0x11/0x20
[  394.794866]  ? __run_timers+0x7da/0xc70
[  394.798841]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.803970]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  394.808818]  __run_timers+0x7e5/0xc70
[  394.812667]  ? timer_fixup_init+0x70/0x70
[  394.816845]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.821877]  ? zap_class+0x640/0x640
[  394.825611]  ? print_usage_bug+0xc0/0xc0
[  394.829684]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.834881]  ? find_held_lock+0x36/0x1c0
[  394.838956]  ? zap_class+0x640/0x640
[  394.842712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.848248]  ? check_preemption_disabled+0x48/0x280
[  394.853298]  ? __lock_is_held+0xb5/0x140
[  394.857355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.862888]  ? check_preemption_disabled+0x48/0x280
[  394.867927]  run_timer_softirq+0x52/0xb0
[  394.871988]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.877003]  __do_softirq+0x308/0xb7e
[  394.880802]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.885293]  ? lock_downgrade+0x900/0x900
[  394.889444]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.894729]  ? pvclock_read_flags+0x160/0x160
[  394.899223]  ? lapic_next_event+0x5a/0x90
[  394.903395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.908939]  ? kvm_clock_read+0x18/0x30
[  394.912916]  ? kvm_sched_clock_read+0x9/0x20
[  394.917336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.922876]  ? check_preemption_disabled+0x48/0x280
[  394.927948]  irq_exit+0x17f/0x1c0
[  394.931400]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.936237]  ? smp_reschedule_interrupt+0x109/0x650
[  394.941253]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.947136]  ? interrupt_entry+0xb5/0xc0
[  394.951220]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.956233]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.961250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.966095]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.971124]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.976138]  ? task_prio+0x50/0x50
[  394.979707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.985243]  ? check_preemption_disabled+0x48/0x280
[  394.990259]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.995105]  apic_timer_interrupt+0xf/0x20
[  394.999328]  </IRQ>
[  395.001565] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  395.006235] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  395.025237] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.032964] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  395.040229] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  395.047497] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  395.054759] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  395.062021] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  395.069307]  ? mark_held_locks+0x130/0x130
[  395.073568]  ? kernfs_notify_workfn+0xf0/0x440
[  395.078147]  ? mark_held_locks+0x130/0x130
[  395.082376]  ? set_next_entity+0x493/0xc70
[  395.086622]  ? mutex_trylock+0x2b0/0x2b0
[  395.090705]  ? update_load_avg+0x2470/0x2470
[  395.095117]  ? zap_class+0x640/0x640
[  395.098836]  ? zap_class+0x640/0x640
[  395.102569]  ? print_usage_bug+0xc0/0xc0
[  395.106637]  ? find_held_lock+0x36/0x1c0
[  395.110755]  ? mark_held_locks+0xc7/0x130
[  395.114906]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.119414]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.123992]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.128571]  ? trace_hardirqs_on+0xbd/0x310
[  395.132891]  ? kasan_check_read+0x11/0x20
[  395.137042]  ? kernfs_notify_workfn+0xe2/0x440
[  395.141623]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.146733]  mutex_lock_nested+0x16/0x20
[  395.150787]  ? _raw_spin_unlock_irq+0x60/0x80
[  395.155281]  ? mutex_lock_nested+0x16/0x20
[  395.159512]  kernfs_notify_workfn+0xf0/0x440
[  395.163936]  process_one_work+0xc90/0x1c40
[  395.168173]  ? mark_held_locks+0x130/0x130
[  395.172419]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  395.177095]  ? __switch_to_asm+0x40/0x70
[  395.181151]  ? __switch_to_asm+0x34/0x70
[  395.185209]  ? __switch_to_asm+0x40/0x70
[  395.189264]  ? __switch_to_asm+0x34/0x70
[  395.193320]  ? __switch_to_asm+0x40/0x70
[  395.197380]  ? __switch_to_asm+0x34/0x70
[  395.201439]  ? __switch_to_asm+0x40/0x70
[  395.205495]  ? __switch_to_asm+0x34/0x70
[  395.209556]  ? __switch_to_asm+0x40/0x70
[  395.213623]  ? __schedule+0x8d7/0x21d0
[  395.217519]  ? lock_downgrade+0x900/0x900
[  395.221701]  ? zap_class+0x640/0x640
[  395.225413]  ? zap_class+0x640/0x640
[  395.229130]  ? find_held_lock+0x36/0x1c0
[  395.233192]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.237792]  ? lock_acquire+0x1ed/0x520
[  395.241766]  ? worker_thread+0x3e0/0x1390
[  395.245926]  ? kasan_check_read+0x11/0x20
[  395.250088]  ? do_raw_spin_lock+0x14f/0x350
[  395.254405]  ? kasan_check_read+0x11/0x20
[  395.258559]  ? rwlock_bug.part.2+0x90/0x90
[  395.262794]  ? trace_hardirqs_on+0x310/0x310
[  395.267213]  worker_thread+0x17f/0x1390
[  395.271209]  ? __switch_to_asm+0x34/0x70
[  395.275308]  ? process_one_work+0x1c40/0x1c40
[  395.279811]  ? zap_class+0x640/0x640
[  395.283589]  ? __kthread_parkme+0xce/0x1a0
[  395.287823]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.292926]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  395.298036]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.302641]  ? trace_hardirqs_on+0xbd/0x310
[  395.306963]  ? kasan_check_read+0x11/0x20
[  395.311121]  ? __kthread_parkme+0xce/0x1a0
[  395.315352]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.320450]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.325555]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  395.330654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.336208]  ? __kthread_parkme+0xfb/0x1a0
[  395.340444]  ? process_one_work+0x1c40/0x1c40
[  395.344941]  kthread+0x35a/0x440
[  395.348312]  ? kthread_stop+0x900/0x900
[  395.352291]  ret_from_fork+0x3a/0x50
[  395.356029] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  395.356034] warn_alloc_show_mem: 1 callbacks suppressed
[  395.356041] Mem-Info:
[  395.363048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.368439] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  395.368439]  active_file:9 inactive_file:10 isolated_file:8
[  395.368439]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.368439]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  395.368439]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  395.368439]  free:13786 free_pcp:282 free_cma:0
[  395.370809] Call Trace:
[  395.380199] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.413125]  <IRQ>
[  395.415694] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  395.443534]  dump_stack+0x244/0x39d
[  395.445683] lowmem_reserve[]: 0 2818 6321 6321
[  395.471788]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.475387] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  395.479977]  warn_alloc.cold.116+0xb7/0x1bd
[  395.485158] lowmem_reserve[]: 0 0 3503 3503
[  395.512522]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.516818] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  395.521132]  ? lock_downgrade+0x900/0x900
[  395.525951] lowmem_reserve[]: 0 0 0 0
[  395.554871]  ? trace_hardirqs_off+0xb8/0x310
[  395.558994] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  395.562786]  ? trace_hardirqs_off+0xb8/0x310
[  395.567164] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  395.580687]  __alloc_pages_slowpath+0x2651/0x2de0
[  395.585097] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  395.600318]  ? warn_alloc+0x120/0x120
[  395.605119] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.620117]  ? print_usage_bug+0xc0/0xc0
[  395.623898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.632739]  ? warn_alloc+0x120/0x120
[  395.636774] 4366 total pagecache pages
[  395.645337]  ? warn_alloc+0x120/0x120
[  395.649121] 0 pages in swap cache
[  395.652993]  ? print_usage_bug+0xc0/0xc0
[  395.656769] Swap cache stats: add 0, delete 0, find 0/0
[  395.660213]  ? kvm_clock_read+0x18/0x30
[  395.664252] Free swap  = 0kB
[  395.669612]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.673560] Total swap = 0kB
[  395.676608]  ? print_usage_bug+0xc0/0xc0
[  395.681596] 1965979 pages RAM
[  395.684605]  ? __lock_acquire+0x62f/0x4c20
[  395.688657] 0 pages HighMem/MovableOnly
[  395.691779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.695986] 342854 pages reserved
[  395.699949]  ? should_fail+0x22d/0xd01
[  395.705458] 0 pages cma reserved
[  395.708905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.712816] aoe: skb alloc failure
[  395.716120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.721467] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.724907]  ? __lock_acquire+0x62f/0x4c20
[  395.730006] kworker/0:2 cpuset=/ mems_allowed=0
[  395.740308]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.754378]  ? __lock_acquire+0x62f/0x4c20
[  395.758612]  ? should_fail+0x22d/0xd01
[  395.762492]  ? rcu_irq_exit+0x1a2/0x390
[  395.766491]  ? mark_held_locks+0x130/0x130
[  395.770725]  ? mark_held_locks+0x130/0x130
[  395.774977]  ? mark_held_locks+0xc7/0x130
[  395.779125]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  395.784174]  ? zap_class+0x640/0x640
[  395.787886]  ? print_usage_bug+0xc0/0xc0
[  395.791953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.797494]  ? check_preemption_disabled+0x48/0x280
[  395.802521]  ? __lock_is_held+0xb5/0x140
[  395.806604]  __alloc_pages_nodemask+0xad8/0xea0
[  395.811273]  ? zap_class+0x640/0x640
[  395.815004]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  395.820034]  ? find_held_lock+0x36/0x1c0
[  395.824116]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.828803]  ? lock_downgrade+0x900/0x900
[  395.832958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.838503]  cache_grow_begin+0xa5/0x8c0
[  395.842562]  ? do_raw_spin_unlock+0xa7/0x330
[  395.846984]  fallback_alloc+0x204/0x2e0
[  395.850971]  ____cache_alloc_node+0x1c7/0x1e0
[  395.855489]  kmem_cache_alloc_node+0xe3/0x730
[  395.859987]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.864232]  __alloc_skb+0x119/0x770
[  395.867947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.873231]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.877639]  ? lock_downgrade+0x900/0x900
[  395.881826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.887366]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.892837]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.898293]  ? addrconf_rs_timer+0x690/0x690
[  395.902732]  ndisc_alloc_skb+0x144/0x340
[  395.906801]  ndisc_send_rs+0x331/0x6e0
[  395.910707]  addrconf_rs_timer+0x314/0x690
[  395.914951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.919203]  call_timer_fn+0x272/0x920
[  395.923093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.927329]  ? process_timeout+0x40/0x40
[  395.931402]  ? mark_held_locks+0xc7/0x130
[  395.935572]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.940075]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.944572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.948805]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.953390]  ? trace_hardirqs_on+0xbd/0x310
[  395.957716]  ? kasan_check_read+0x11/0x20
[  395.961878]  ? __run_timers+0x7da/0xc70
[  395.965855]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.970965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.975209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.979444]  __run_timers+0x7e5/0xc70
[  395.983289]  ? timer_fixup_init+0x70/0x70
[  395.987442]  ? kasan_check_read+0x11/0x20
[  395.991593]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.996868]  ? rcu_softirq_qs+0x20/0x20
[  396.000876]  ? mark_held_locks+0xc7/0x130
[  396.005032]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  396.009796]  ? retint_kernel+0x2d/0x2d
[  396.013690]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.018636]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  396.023403]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.028861]  ? zap_class+0x640/0x640
[  396.032582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.038122]  ? check_preemption_disabled+0x48/0x280
[  396.043148]  ? __lock_is_held+0xb5/0x140
[  396.047210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.052747]  ? check_preemption_disabled+0x48/0x280
[  396.057767]  run_timer_softirq+0x52/0xb0
[  396.061826]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.066845]  __do_softirq+0x308/0xb7e
[  396.070649]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.075150]  ? lock_downgrade+0x900/0x900
[  396.079306]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.084414]  ? pvclock_read_flags+0x160/0x160
[  396.088925]  ? lapic_next_event+0x5a/0x90
[  396.093072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.098627]  ? kvm_clock_read+0x18/0x30
[  396.102597]  ? kvm_sched_clock_read+0x9/0x20
[  396.107003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.112540]  ? check_preemption_disabled+0x48/0x280
[  396.117562]  irq_exit+0x17f/0x1c0
[  396.121017]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.125872]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.131758]  ? interrupt_entry+0xb5/0xc0
[  396.135838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.140853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.145869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.150712]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.155727]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.160741]  ? task_prio+0x50/0x50
[  396.164283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.169822]  ? check_preemption_disabled+0x48/0x280
[  396.174842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.179699]  apic_timer_interrupt+0xf/0x20
[  396.183925]  </IRQ>
[  396.186162] RIP: 0010:dump_stack+0x358/0x39d
[  396.190564] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  396.209461] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  396.217177] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  396.224443] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  396.231709] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  396.238990] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  396.246268] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  396.253544]  ? dump_stack+0x34f/0x39d
[  396.257349]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.262536]  ? mark_held_locks+0x130/0x130
[  396.266767]  ? mark_held_locks+0x130/0x130
[  396.271007]  dump_header+0x27b/0xf72
[  396.274730]  ? pagefault_out_of_memory+0x197/0x197
[  396.279665]  ? __lock_acquire+0x62f/0x4c20
[  396.283913]  ? percpu_ref_get_many+0x240/0x240
[  396.288493]  ? print_usage_bug+0xc0/0xc0
[  396.292563]  ? zap_class+0x640/0x640
[  396.296275]  ? print_usage_bug+0xc0/0xc0
[  396.300331]  ? print_usage_bug+0xc0/0xc0
[  396.304399]  ? zap_class+0x640/0x640
[  396.308119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.313655]  ? find_held_lock+0x36/0x1c0
[  396.317798]  ? mark_held_locks+0xc7/0x130
[  396.321948]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.327048]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  396.332149]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.336743]  ? trace_hardirqs_on+0xbd/0x310
[  396.341105]  ? kasan_check_read+0x11/0x20
[  396.345270]  ? ___ratelimit+0x3b4/0x672
[  396.349261]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.354380]  ? trace_hardirqs_on+0x310/0x310
[  396.358834]  ? lock_downgrade+0x900/0x900
[  396.362985]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  396.368098]  ? ___ratelimit+0x3b9/0x672
[  396.372072]  ? idr_get_free+0xf70/0xf70
[  396.376042]  ? find_held_lock+0x36/0x1c0
[  396.380104]  oom_kill_process.cold.27+0x10/0x903
[  396.384865]  ? zap_class+0x640/0x640
[  396.388622]  ? check_preemption_disabled+0x48/0x280
[  396.393633]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.398573]  ? kasan_check_read+0x11/0x20
[  396.402736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.408012]  ? oom_evaluate_task+0x540/0x540
[  396.412418]  ? find_held_lock+0x36/0x1c0
[  396.416487]  ? out_of_memory+0x974/0x1430
[  396.420648]  ? lock_downgrade+0x900/0x900
[  396.424826]  ? check_preemption_disabled+0x48/0x280
[  396.429851]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.434775]  ? kasan_check_read+0x11/0x20
[  396.438946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.444222]  ? rcu_softirq_qs+0x20/0x20
[  396.448196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.453740]  ? oom_evaluate_task+0x302/0x540
[  396.458163]  out_of_memory+0xa84/0x1430
[  396.462138]  ? oom_killer_disable+0x3a0/0x3a0
[  396.466633]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  396.471574]  ? __ww_mutex_check_waiters+0x160/0x160
[  396.476607]  __alloc_pages_slowpath+0x232c/0x2de0
[  396.481480]  ? warn_alloc+0x120/0x120
[  396.485277]  ? mark_held_locks+0x130/0x130
[  396.489525]  ? find_get_entry+0xaae/0x1120
[  396.493768]  ? filemap_map_pages+0x1a20/0x1a20
[  396.498356]  ? zap_class+0x640/0x640
[  396.502073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.507605]  ? check_preemption_disabled+0x48/0x280
[  396.512647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.518187]  ? should_fail+0x22d/0xd01
[  396.522120]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.527236]  ? zap_class+0x640/0x640
[  396.530988]  ? __lock_is_held+0xb5/0x140
[  396.535053]  ? mark_held_locks+0x130/0x130
[  396.539298]  ? lock_release+0xa00/0xa00
[  396.543272]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.548731]  ? xa_load+0x2ba/0x460
[  396.552284]  ? lock_downgrade+0x900/0x900
[  396.556448]  ? __might_sleep+0x95/0x190
[  396.560443]  __alloc_pages_nodemask+0xad8/0xea0
[  396.565118]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  396.570136]  ? __page_cache_alloc+0x191/0x5c0
[  396.574624]  ? xa_load+0x2e1/0x460
[  396.578159]  ? xa_clear_mark+0x40/0x40
[  396.582044]  ? zap_class+0x640/0x640
[  396.585769]  ? zap_class+0x640/0x640
[  396.589480]  ? zap_class+0x640/0x640
[  396.593191]  ? __do_page_cache_readahead+0x663/0x810
[  396.598300]  ? find_held_lock+0x36/0x1c0
[  396.602410]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  396.607989]  alloc_pages_current+0x173/0x350
[  396.612555]  __page_cache_alloc+0x38c/0x5c0
[  396.616870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.621796]  ? kasan_check_read+0x11/0x20
[  396.625960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.631251]  ? generic_perform_write+0x6a0/0x6a0
[  396.636004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.641535]  ? check_preemption_disabled+0x48/0x280
[  396.646569]  filemap_fault+0x1595/0x25f0
[  396.650645]  ? __lock_page_or_retry+0xa00/0xa00
[  396.655325]  ? mark_held_locks+0x130/0x130
[  396.659568]  ? filemap_map_pages+0xd6b/0x1a20
[  396.664076]  ? lock_downgrade+0x900/0x900
[  396.668239]  ? check_preemption_disabled+0x48/0x280
[  396.673257]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.678184]  ? kasan_check_read+0x11/0x20
[  396.682328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.687599]  ? rcu_softirq_qs+0x20/0x20
[  396.691598]  ? filemap_map_pages+0xd92/0x1a20
[  396.696107]  ? find_get_entries_tag+0x1400/0x1400
[  396.700951]  ? debug_object_destroy+0x2b0/0x2b0
[  396.705622]  ? lock_pi_update_atomic+0x150/0x150
[  396.710376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.715922]  ? lock_acquire+0x1ed/0x520
[  396.719927]  ? ext4_filemap_fault+0x7a/0xad
[  396.724323]  ? lock_release+0xa00/0xa00
[  396.728306]  ? perf_trace_sched_process_exec+0x860/0x860
[  396.733766]  ? print_usage_bug+0xc0/0xc0
[  396.737847]  ? print_usage_bug+0xc0/0xc0
[  396.741949]  ? down_read+0x8d/0x120
[  396.745593]  ? ext4_filemap_fault+0x7a/0xad
[  396.749912]  ? __down_interruptible+0x700/0x700
[  396.754602]  ext4_filemap_fault+0x82/0xad
[  396.758754]  __do_fault+0x100/0x6b0
[  396.762384]  ? pmd_devmap_trans_unstable+0x220/0x220
[  396.767491]  ? mark_held_locks+0x130/0x130
[  396.771745]  ? mark_held_locks+0x130/0x130
[  396.775984]  ? __might_fault+0x12b/0x1e0
[  396.780048]  ? lock_downgrade+0x900/0x900
[  396.784202]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.789744]  __handle_mm_fault+0x3ea0/0x5be0
[  396.794301]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  396.799151]  ? _copy_to_user+0xc8/0x110
[  396.803144]  ? zap_class+0x640/0x640
[  396.806859]  ? zap_class+0x640/0x640
[  396.810590]  ? __x64_sys_futex+0x53e/0x6a0
[  396.814829]  ? find_held_lock+0x36/0x1c0
[  396.818899]  ? handle_mm_fault+0x42a/0xc70
[  396.823167]  ? lock_downgrade+0x900/0x900
[  396.827315]  ? check_preemption_disabled+0x48/0x280
[  396.832334]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  396.837263]  ? kasan_check_read+0x11/0x20
[  396.841410]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.846699]  ? rcu_softirq_qs+0x20/0x20
[  396.850679]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.855814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.861364]  ? check_preemption_disabled+0x48/0x280
[  396.866388]  handle_mm_fault+0x54f/0xc70
[  396.870459]  ? __handle_mm_fault+0x5be0/0x5be0
[  396.875045]  ? find_vma+0x34/0x190
[  396.878609]  __do_page_fault+0x5e8/0xe60
[  396.882674]  ? trace_hardirqs_off+0xb8/0x310
[  396.887080]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.892627]  do_page_fault+0xf2/0x7e0
[  396.896447]  ? vmalloc_sync_all+0x30/0x30
[  396.900596]  ? error_entry+0x70/0xd0
[  396.904337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.909347]  ? trace_hardirqs_on_caller+0xc0/0x310
[  396.914273]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.919229]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.924169]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.929188]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.934652]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.939684]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.944717]  ? page_fault+0x8/0x30
[  396.948260]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.953128]  ? page_fault+0x8/0x30
[  396.956683]  page_fault+0x1e/0x30
[  396.960134] RIP: 0033:0x45ddf3
[  396.963337] Code: Bad RIP value.
[  396.966698] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  396.972063] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  396.979356] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  396.986675] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  396.993955] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  397.001218] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  397.008520] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  397.008583] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.015618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.015634] Workqueue: events kernfs_notify_workfn
[  397.015641] Call Trace:
[  397.015647]  <IRQ>
[  397.015673]  dump_stack+0x244/0x39d
[  397.022254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.031514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  397.036416] syz-fuzzer cpuset=/ mems_allowed=0
[  397.039027]  warn_alloc.cold.116+0xb7/0x1bd
[  397.069032]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.073910]  ? lock_downgrade+0x900/0x900
[  397.078067]  ? trace_hardirqs_off+0xb8/0x310
[  397.082496]  ? trace_hardirqs_off+0xb8/0x310
[  397.086930]  __alloc_pages_slowpath+0x2651/0x2de0
[  397.091807]  ? warn_alloc+0x120/0x120
[  397.095616]  ? warn_alloc+0x120/0x120
[  397.099443]  ? warn_alloc+0x120/0x120
[  397.103241]  ? print_usage_bug+0xc0/0xc0
[  397.107343]  ? check_preemption_disabled+0x48/0x280
[  397.112369]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.116869]  ? print_usage_bug+0xc0/0xc0
[  397.120935]  ? kasan_check_read+0x11/0x20
[  397.125086]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.130367]  ? rcu_softirq_qs+0x20/0x20
[  397.134347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.139890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.145455]  ? should_fail+0x22d/0xd01
[  397.149346]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.154446]  ? __lock_acquire+0x62f/0x4c20
[  397.158702]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.163803]  ? __lock_acquire+0x62f/0x4c20
[  397.168035]  ? should_fail+0x22d/0xd01
[  397.171950]  ? mark_held_locks+0x130/0x130
[  397.176248]  ? mark_held_locks+0x130/0x130
[  397.180493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  397.185262]  ? zap_class+0x640/0x640
[  397.188975]  ? print_usage_bug+0xc0/0xc0
[  397.193038]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.198505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.204045]  ? check_preemption_disabled+0x48/0x280
[  397.209066]  ? __lock_is_held+0xb5/0x140
[  397.213158]  __alloc_pages_nodemask+0xad8/0xea0
[  397.217825]  ? zap_class+0x640/0x640
[  397.221558]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  397.226584]  ? find_held_lock+0x36/0x1c0
[  397.230650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.235386]  ? lock_downgrade+0x900/0x900
[  397.239539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.245079]  cache_grow_begin+0xa5/0x8c0
[  397.249150]  ? do_raw_spin_unlock+0xa7/0x330
[  397.253564]  fallback_alloc+0x204/0x2e0
[  397.257551]  ____cache_alloc_node+0x1c7/0x1e0
[  397.262046]  kmem_cache_alloc_node+0xe3/0x730
[  397.266556]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.270794]  __alloc_skb+0x119/0x770
[  397.274510]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.279789]  ? netdev_alloc_frag+0x1f0/0x1f0
[  397.284191]  ? lock_downgrade+0x900/0x900
[  397.288356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.293897]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.299416]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.304932]  ? addrconf_rs_timer+0x690/0x690
[  397.309351]  ndisc_alloc_skb+0x144/0x340
[  397.313424]  ndisc_send_rs+0x331/0x6e0
[  397.317316]  addrconf_rs_timer+0x314/0x690
[  397.321553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.325797]  call_timer_fn+0x272/0x920
[  397.329690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.333934]  ? process_timeout+0x40/0x40
[  397.338007]  ? mark_held_locks+0xc7/0x130
[  397.342162]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.346658]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.351176]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.355415]  ? lockdep_hardirqs_on+0x296/0x5b0
[  397.360002]  ? trace_hardirqs_on+0xbd/0x310
[  397.364328]  ? kasan_check_read+0x11/0x20
[  397.368476]  ? __run_timers+0x7da/0xc70
[  397.372471]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.377587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.381858]  __run_timers+0x7e5/0xc70
[  397.385678]  ? timer_fixup_init+0x70/0x70
[  397.389834]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.394856]  ? zap_class+0x640/0x640
[  397.398577]  ? print_usage_bug+0xc0/0xc0
[  397.402651]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.407864]  ? find_held_lock+0x36/0x1c0
[  397.411942]  ? zap_class+0x640/0x640
[  397.415669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.421225]  ? check_preemption_disabled+0x48/0x280
[  397.426250]  ? __lock_is_held+0xb5/0x140
[  397.430323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.435862]  ? check_preemption_disabled+0x48/0x280
[  397.440885]  run_timer_softirq+0x52/0xb0
[  397.444969]  ? rcu_read_lock_sched_held+0x14f/0x180
[  397.450004]  __do_softirq+0x308/0xb7e
[  397.453821]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  397.458319]  ? lock_downgrade+0x900/0x900
[  397.462486]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  397.467601]  ? pvclock_read_flags+0x160/0x160
[  397.472100]  ? lapic_next_event+0x5a/0x90
[  397.476292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.481835]  ? kvm_clock_read+0x18/0x30
[  397.485810]  ? kvm_sched_clock_read+0x9/0x20
[  397.490222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.495760]  ? check_preemption_disabled+0x48/0x280
[  397.500804]  irq_exit+0x17f/0x1c0
[  397.504260]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.509150]  ? smp_reschedule_interrupt+0x109/0x650
[  397.514167]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.520049]  ? interrupt_entry+0xb5/0xc0
[  397.524114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.529126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.534137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.539008]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.544021]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.549034]  ? task_prio+0x50/0x50
[  397.552575]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.558117]  ? check_preemption_disabled+0x48/0x280
[  397.563164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.568011]  apic_timer_interrupt+0xf/0x20
[  397.572236]  </IRQ>
[  397.574509] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  397.579178] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  397.598102] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.605818] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  397.613084] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  397.620354] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  397.627628] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  397.634916] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  397.642227]  ? mark_held_locks+0x130/0x130
[  397.646465]  ? kernfs_notify_workfn+0xf0/0x440
[  397.651053]  ? mark_held_locks+0x130/0x130
[  397.655293]  ? set_next_entity+0x493/0xc70
[  397.659533]  ? mutex_trylock+0x2b0/0x2b0
[  397.663596]  ? update_load_avg+0x2470/0x2470
[  397.668016]  ? zap_class+0x640/0x640
[  397.671743]  ? zap_class+0x640/0x640
[  397.675477]  ? print_usage_bug+0xc0/0xc0
[  397.679555]  ? find_held_lock+0x36/0x1c0
[  397.683655]  ? mark_held_locks+0xc7/0x130
[  397.687850]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.692370]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.696877]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.701467]  ? trace_hardirqs_on+0xbd/0x310
[  397.705800]  ? kasan_check_read+0x11/0x20
[  397.709961]  ? kernfs_notify_workfn+0xe2/0x440
[  397.714557]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.719696]  mutex_lock_nested+0x16/0x20
[  397.723782]  ? _raw_spin_unlock_irq+0x60/0x80
[  397.728282]  ? mutex_lock_nested+0x16/0x20
[  397.732538]  kernfs_notify_workfn+0xf0/0x440
[  397.736980]  process_one_work+0xc90/0x1c40
[  397.741434]  ? mark_held_locks+0x130/0x130
[  397.745689]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  397.750369]  ? __switch_to_asm+0x40/0x70
[  397.754444]  ? __switch_to_asm+0x34/0x70
[  397.758525]  ? __switch_to_asm+0x40/0x70
[  397.762581]  ? __switch_to_asm+0x34/0x70
[  397.766643]  ? __switch_to_asm+0x40/0x70
[  397.770721]  ? __switch_to_asm+0x34/0x70
[  397.774787]  ? __switch_to_asm+0x40/0x70
[  397.778845]  ? __switch_to_asm+0x34/0x70
[  397.782929]  ? __switch_to_asm+0x40/0x70
[  397.787009]  ? __schedule+0x8d7/0x21d0
[  397.790911]  ? lock_downgrade+0x900/0x900
[  397.795085]  ? zap_class+0x640/0x640
[  397.798802]  ? zap_class+0x640/0x640
[  397.802540]  ? find_held_lock+0x36/0x1c0
[  397.806611]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.811210]  ? lock_acquire+0x1ed/0x520
[  397.815187]  ? worker_thread+0x3e0/0x1390
[  397.819346]  ? kasan_check_read+0x11/0x20
[  397.823511]  ? do_raw_spin_lock+0x14f/0x350
[  397.827832]  ? kasan_check_read+0x11/0x20
[  397.831983]  ? rwlock_bug.part.2+0x90/0x90
[  397.836215]  ? trace_hardirqs_on+0x310/0x310
[  397.840634]  worker_thread+0x17f/0x1390
[  397.844629]  ? __switch_to_asm+0x34/0x70
[  397.848713]  ? process_one_work+0x1c40/0x1c40
[  397.853259]  ? zap_class+0x640/0x640
[  397.857035]  ? __kthread_parkme+0xce/0x1a0
[  397.861287]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.866390]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.871508]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.876124]  ? trace_hardirqs_on+0xbd/0x310
[  397.880446]  ? kasan_check_read+0x11/0x20
[  397.884595]  ? __kthread_parkme+0xce/0x1a0
[  397.888850]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.893960]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.899100]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.904205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.909773]  ? __kthread_parkme+0xfb/0x1a0
[  397.914010]  ? process_one_work+0x1c40/0x1c40
[  397.918516]  kthread+0x35a/0x440
[  397.921885]  ? kthread_stop+0x900/0x900
[  397.925859]  ret_from_fork+0x3a/0x50
[  397.929590] warn_alloc_show_mem: 1 callbacks suppressed
[  397.929601] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  397.929603] Mem-Info:
[  397.929635] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  397.929635]  active_file:9 inactive_file:10 isolated_file:8
[  397.929635]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.929635]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  397.929635]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  397.929635]  free:13786 free_pcp:282 free_cma:0
[  397.934972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  397.941994] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  397.944392] Call Trace:
[  397.977360] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  397.986714]  <IRQ>
[  398.014541] lowmem_reserve[]: 0 2818 6321 6321
[  398.017136]  dump_stack+0x244/0x39d
[  398.043226] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  398.045399]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.049942] lowmem_reserve[]: 0 0 3503 3503
[  398.053591]  warn_alloc.cold.116+0xb7/0x1bd
[  398.080906] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  398.086114]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.090443] lowmem_reserve[]: 0 0 0 0
[  398.094763]  ? lock_downgrade+0x900/0x900
[  398.123624] 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
[  398.128471]  ? trace_hardirqs_off+0xb8/0x310
[  398.132239] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  398.136380]  ? trace_hardirqs_off+0xb8/0x310
[  398.149882] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  398.154291]  __alloc_pages_slowpath+0x2651/0x2de0
[  398.169441] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.173860]  ? warn_alloc+0x120/0x120
[  398.188818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  398.193646]  ? print_usage_bug+0xc0/0xc0
[  398.202457] 4366 total pagecache pages
[  398.206261]  ? warn_alloc+0x120/0x120
[  398.214813] 0 pages in swap cache
[  398.218857]  ? warn_alloc+0x120/0x120
[  398.222720] Swap cache stats: add 0, delete 0, find 0/0
[  398.226508]  ? print_usage_bug+0xc0/0xc0
[  398.229955] Free swap  = 0kB
[  398.233750]  ? kvm_clock_read+0x18/0x30
[  398.239082] Total swap = 0kB
[  398.243135]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.246127] 1965979 pages RAM
[  398.250105]  ? print_usage_bug+0xc0/0xc0
[  398.253095] 0 pages HighMem/MovableOnly
[  398.258122]  ? __lock_acquire+0x62f/0x4c20
[  398.261201] 342854 pages reserved
[  398.265253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.269198] 0 pages cma reserved
[  398.273425]  ? should_fail+0x22d/0xd01
[  398.276911] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.282372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.282388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.282404]  ? __lock_acquire+0x62f/0x4c20
[  398.285802] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.289653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.296125] kworker/0:2 cpuset=/ mems_allowed=0
[  398.301410]  ? __lock_acquire+0x62f/0x4c20
[  398.335002]  ? should_fail+0x22d/0xd01
[  398.338914]  ? rcu_irq_exit+0x1a2/0x390
[  398.342901]  ? mark_held_locks+0x130/0x130
[  398.347141]  ? mark_held_locks+0x130/0x130
[  398.351381]  ? mark_held_locks+0xc7/0x130
[  398.355530]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  398.360544]  ? zap_class+0x640/0x640
[  398.364255]  ? print_usage_bug+0xc0/0xc0
[  398.368322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.373860]  ? check_preemption_disabled+0x48/0x280
[  398.378888]  ? __lock_is_held+0xb5/0x140
[  398.382959]  __alloc_pages_nodemask+0xad8/0xea0
[  398.387646]  ? zap_class+0x640/0x640
[  398.391374]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  398.396416]  ? find_held_lock+0x36/0x1c0
[  398.400493]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.405166]  ? lock_downgrade+0x900/0x900
[  398.409323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.414864]  cache_grow_begin+0xa5/0x8c0
[  398.418926]  ? do_raw_spin_unlock+0xa7/0x330
[  398.423344]  fallback_alloc+0x204/0x2e0
[  398.427328]  ____cache_alloc_node+0x1c7/0x1e0
[  398.431830]  kmem_cache_alloc_node+0xe3/0x730
[  398.436328]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.440569]  __alloc_skb+0x119/0x770
[  398.444294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.449575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.453985]  ? lock_downgrade+0x900/0x900
[  398.458141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.463688]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.469142]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.474601]  ? addrconf_rs_timer+0x690/0x690
[  398.479021]  ndisc_alloc_skb+0x144/0x340
[  398.483108]  ndisc_send_rs+0x331/0x6e0
[  398.487015]  addrconf_rs_timer+0x314/0x690
[  398.491255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.495514]  call_timer_fn+0x272/0x920
[  398.499404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.503641]  ? process_timeout+0x40/0x40
[  398.507732]  ? mark_held_locks+0xc7/0x130
[  398.511886]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.516379]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.520874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.525130]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.529738]  ? trace_hardirqs_on+0xbd/0x310
[  398.534058]  ? kasan_check_read+0x11/0x20
[  398.538208]  ? __run_timers+0x7da/0xc70
[  398.542180]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.547291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.551547]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.555798]  __run_timers+0x7e5/0xc70
[  398.559622]  ? timer_fixup_init+0x70/0x70
[  398.563768]  ? kasan_check_read+0x11/0x20
[  398.567969]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.573245]  ? rcu_softirq_qs+0x20/0x20
[  398.577228]  ? mark_held_locks+0xc7/0x130
[  398.581385]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.586142]  ? retint_kernel+0x2d/0x2d
[  398.590044]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.594971]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.599728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.605204]  ? zap_class+0x640/0x640
[  398.608934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.614618]  ? check_preemption_disabled+0x48/0x280
[  398.619698]  ? __lock_is_held+0xb5/0x140
[  398.623767]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.629306]  ? check_preemption_disabled+0x48/0x280
[  398.634326]  run_timer_softirq+0x52/0xb0
[  398.638415]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.643457]  __do_softirq+0x308/0xb7e
[  398.647261]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.651769]  ? lock_downgrade+0x900/0x900
[  398.655925]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.661063]  ? pvclock_read_flags+0x160/0x160
[  398.665561]  ? lapic_next_event+0x5a/0x90
[  398.669726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.675272]  ? kvm_clock_read+0x18/0x30
[  398.679248]  ? kvm_sched_clock_read+0x9/0x20
[  398.683690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.689296]  ? check_preemption_disabled+0x48/0x280
[  398.694391]  irq_exit+0x17f/0x1c0
[  398.697852]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.702700]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.708592]  ? interrupt_entry+0xb5/0xc0
[  398.712653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.717688]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.722725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.727567]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.732580]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.737608]  ? task_prio+0x50/0x50
[  398.741147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.746690]  ? check_preemption_disabled+0x48/0x280
[  398.751722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.756624]  apic_timer_interrupt+0xf/0x20
[  398.760891]  </IRQ>
[  398.763131] RIP: 0010:dump_stack+0x358/0x39d
[  398.767556] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  398.786449] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  398.794155] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  398.801462] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  398.808735] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  398.816021] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  398.823289] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  398.830589]  ? dump_stack+0x34f/0x39d
[  398.834403]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.839605]  ? mark_held_locks+0x130/0x130
[  398.843840]  ? mark_held_locks+0x130/0x130
[  398.848082]  dump_header+0x27b/0xf72
[  398.851805]  ? pagefault_out_of_memory+0x197/0x197
[  398.856750]  ? __lock_acquire+0x62f/0x4c20
[  398.860992]  ? percpu_ref_get_many+0x240/0x240
[  398.865582]  ? print_usage_bug+0xc0/0xc0
[  398.869645]  ? zap_class+0x640/0x640
[  398.873382]  ? print_usage_bug+0xc0/0xc0
[  398.877460]  ? print_usage_bug+0xc0/0xc0
[  398.881520]  ? zap_class+0x640/0x640
[  398.885235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.890774]  ? find_held_lock+0x36/0x1c0
[  398.894858]  ? mark_held_locks+0xc7/0x130
[  398.899004]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.904119]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  398.909221]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.913805]  ? trace_hardirqs_on+0xbd/0x310
[  398.918126]  ? kasan_check_read+0x11/0x20
[  398.922309]  ? ___ratelimit+0x3b4/0x672
[  398.926305]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.931406]  ? trace_hardirqs_on+0x310/0x310
[  398.935817]  ? lock_downgrade+0x900/0x900
[  398.939971]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  398.945081]  ? ___ratelimit+0x3b9/0x672
[  398.949070]  ? idr_get_free+0xf70/0xf70
[  398.953040]  ? find_held_lock+0x36/0x1c0
[  398.957111]  oom_kill_process.cold.27+0x10/0x903
[  398.961885]  ? zap_class+0x640/0x640
[  398.965605]  ? check_preemption_disabled+0x48/0x280
[  398.970626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  398.975555]  ? kasan_check_read+0x11/0x20
[  398.979721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  398.985001]  ? oom_evaluate_task+0x540/0x540
[  398.989433]  ? find_held_lock+0x36/0x1c0
[  398.993503]  ? out_of_memory+0x974/0x1430
[  398.997669]  ? lock_downgrade+0x900/0x900
[  399.001821]  ? check_preemption_disabled+0x48/0x280
[  399.006848]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.011782]  ? kasan_check_read+0x11/0x20
[  399.015933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.021215]  ? rcu_softirq_qs+0x20/0x20
[  399.025231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.030783]  ? oom_evaluate_task+0x302/0x540
[  399.035193]  out_of_memory+0xa84/0x1430
[  399.039202]  ? oom_killer_disable+0x3a0/0x3a0
[  399.043699]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  399.048630]  ? __ww_mutex_check_waiters+0x160/0x160
[  399.053673]  __alloc_pages_slowpath+0x232c/0x2de0
[  399.058546]  ? warn_alloc+0x120/0x120
[  399.062346]  ? mark_held_locks+0x130/0x130
[  399.066619]  ? find_get_entry+0xaae/0x1120
[  399.070867]  ? filemap_map_pages+0x1a20/0x1a20
[  399.075461]  ? zap_class+0x640/0x640
[  399.079184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.084725]  ? check_preemption_disabled+0x48/0x280
[  399.089748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.095301]  ? should_fail+0x22d/0xd01
[  399.099212]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.104319]  ? zap_class+0x640/0x640
[  399.108058]  ? __lock_is_held+0xb5/0x140
[  399.112131]  ? mark_held_locks+0x130/0x130
[  399.116374]  ? lock_release+0xa00/0xa00
[  399.120352]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.125810]  ? xa_load+0x2ba/0x460
[  399.129355]  ? lock_downgrade+0x900/0x900
[  399.133508]  ? __might_sleep+0x95/0x190
[  399.137489]  __alloc_pages_nodemask+0xad8/0xea0
[  399.142169]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  399.147203]  ? __page_cache_alloc+0x191/0x5c0
[  399.151714]  ? xa_load+0x2e1/0x460
[  399.155254]  ? xa_clear_mark+0x40/0x40
[  399.159149]  ? zap_class+0x640/0x640
[  399.162871]  ? zap_class+0x640/0x640
[  399.166587]  ? zap_class+0x640/0x640
[  399.170303]  ? __do_page_cache_readahead+0x663/0x810
[  399.175522]  ? find_held_lock+0x36/0x1c0
[  399.179588]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  399.185132]  alloc_pages_current+0x173/0x350
[  399.189565]  __page_cache_alloc+0x38c/0x5c0
[  399.193885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.198813]  ? kasan_check_read+0x11/0x20
[  399.202963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.208242]  ? generic_perform_write+0x6a0/0x6a0
[  399.212998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.218552]  ? check_preemption_disabled+0x48/0x280
[  399.223575]  filemap_fault+0x1595/0x25f0
[  399.227720]  ? __lock_page_or_retry+0xa00/0xa00
[  399.232393]  ? mark_held_locks+0x130/0x130
[  399.236636]  ? filemap_map_pages+0xd6b/0x1a20
[  399.241153]  ? lock_downgrade+0x900/0x900
[  399.245297]  ? check_preemption_disabled+0x48/0x280
[  399.250315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.255262]  ? kasan_check_read+0x11/0x20
[  399.259409]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.264701]  ? rcu_softirq_qs+0x20/0x20
[  399.268712]  ? filemap_map_pages+0xd92/0x1a20
[  399.273226]  ? find_get_entries_tag+0x1400/0x1400
[  399.278086]  ? debug_object_destroy+0x2b0/0x2b0
[  399.282775]  ? lock_pi_update_atomic+0x150/0x150
[  399.287527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.293088]  ? lock_acquire+0x1ed/0x520
[  399.297060]  ? ext4_filemap_fault+0x7a/0xad
[  399.301385]  ? lock_release+0xa00/0xa00
[  399.305403]  ? perf_trace_sched_process_exec+0x860/0x860
[  399.310894]  ? print_usage_bug+0xc0/0xc0
[  399.314951]  ? print_usage_bug+0xc0/0xc0
[  399.319020]  ? down_read+0x8d/0x120
[  399.322713]  ? ext4_filemap_fault+0x7a/0xad
[  399.327048]  ? __down_interruptible+0x700/0x700
[  399.331748]  ext4_filemap_fault+0x82/0xad
[  399.335904]  __do_fault+0x100/0x6b0
[  399.339555]  ? pmd_devmap_trans_unstable+0x220/0x220
[  399.344666]  ? mark_held_locks+0x130/0x130
[  399.348934]  ? mark_held_locks+0x130/0x130
[  399.353169]  ? __might_fault+0x12b/0x1e0
[  399.357253]  ? lock_downgrade+0x900/0x900
[  399.361408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.366974]  __handle_mm_fault+0x3ea0/0x5be0
[  399.371402]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  399.376257]  ? _copy_to_user+0xc8/0x110
[  399.380248]  ? zap_class+0x640/0x640
[  399.383988]  ? zap_class+0x640/0x640
[  399.387712]  ? __x64_sys_futex+0x53e/0x6a0
[  399.391953]  ? find_held_lock+0x36/0x1c0
[  399.396021]  ? handle_mm_fault+0x42a/0xc70
[  399.400257]  ? lock_downgrade+0x900/0x900
[  399.404433]  ? check_preemption_disabled+0x48/0x280
[  399.409456]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.414388]  ? kasan_check_read+0x11/0x20
[  399.418555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.423844]  ? rcu_softirq_qs+0x20/0x20
[  399.427832]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.432951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.438488]  ? check_preemption_disabled+0x48/0x280
[  399.443511]  handle_mm_fault+0x54f/0xc70
[  399.447575]  ? __handle_mm_fault+0x5be0/0x5be0
[  399.452161]  ? find_vma+0x34/0x190
[  399.455709]  __do_page_fault+0x5e8/0xe60
[  399.459790]  ? trace_hardirqs_off+0xb8/0x310
[  399.464250]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.469799]  do_page_fault+0xf2/0x7e0
[  399.473629]  ? vmalloc_sync_all+0x30/0x30
[  399.477789]  ? error_entry+0x70/0xd0
[  399.481518]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.486537]  ? trace_hardirqs_on_caller+0xc0/0x310
[  399.491481]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.496437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.501294]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.506311]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.511762]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  399.516780]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.521796]  ? page_fault+0x8/0x30
[  399.525338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.530208]  ? page_fault+0x8/0x30
[  399.533774]  page_fault+0x1e/0x30
[  399.537218] RIP: 0033:0x45ddf3
[  399.540438] Code: Bad RIP value.
[  399.543832] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  399.549208] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  399.556496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  399.563764] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  399.571036] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  399.578317] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  399.585613] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  399.585690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  399.592712] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.592731] Workqueue: events kernfs_notify_workfn
[  399.592738] Call Trace:
[  399.592747]  <IRQ>
[  399.599278] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.608580]  dump_stack+0x244/0x39d
[  399.613479] syz-fuzzer cpuset=/ mems_allowed=0
[  399.616059]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.641784]  warn_alloc.cold.116+0xb7/0x1bd
[  399.646104]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.650960]  ? lock_downgrade+0x900/0x900
[  399.655118]  ? trace_hardirqs_off+0xb8/0x310
[  399.659543]  ? trace_hardirqs_off+0xb8/0x310
[  399.663962]  __alloc_pages_slowpath+0x2651/0x2de0
[  399.668830]  ? warn_alloc+0x120/0x120
[  399.672632]  ? print_usage_bug+0xc0/0xc0
[  399.676703]  ? warn_alloc+0x120/0x120
[  399.680504]  ? warn_alloc+0x120/0x120
[  399.684306]  ? print_usage_bug+0xc0/0xc0
[  399.688370]  ? print_usage_bug+0xc0/0xc0
[  399.692433]  ? __lock_acquire+0x62f/0x4c20
[  399.696681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.702236]  ? should_fail+0x22d/0xd01
[  399.706128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.711244]  ? __lock_acquire+0x62f/0x4c20
[  399.715487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.720592]  ? __lock_acquire+0x62f/0x4c20
[  399.724829]  ? should_fail+0x22d/0xd01
[  399.728744]  ? find_held_lock+0x36/0x1c0
[  399.732809]  ? mark_held_locks+0x130/0x130
[  399.737050]  ? mark_held_locks+0x130/0x130
[  399.741278]  ? zap_class+0x640/0x640
[  399.745007]  ? zap_class+0x640/0x640
[  399.748722]  ? print_usage_bug+0xc0/0xc0
[  399.752782]  ? do_raw_spin_unlock+0xa7/0x330
[  399.757189]  ? zap_class+0x640/0x640
[  399.760904]  ? print_usage_bug+0xc0/0xc0
[  399.764985]  ? wq_watchdog_touch+0x9c/0xfe
[  399.769228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.774770]  ? check_preemption_disabled+0x48/0x280
[  399.779797]  ? __lock_is_held+0xb5/0x140
[  399.783863]  __alloc_pages_nodemask+0xad8/0xea0
[  399.788551]  ? zap_class+0x640/0x640
[  399.792284]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  399.797325]  ? find_held_lock+0x36/0x1c0
[  399.801423]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.806112]  ? lock_downgrade+0x900/0x900
[  399.810268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.815810]  cache_grow_begin+0xa5/0x8c0
[  399.819875]  ? do_raw_spin_unlock+0xa7/0x330
[  399.824348]  fallback_alloc+0x204/0x2e0
[  399.828335]  ____cache_alloc_node+0x1c7/0x1e0
[  399.832837]  kmem_cache_alloc_node+0xe3/0x730
[  399.837333]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.841573]  __alloc_skb+0x119/0x770
[  399.845302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.850620]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.855043]  ? lock_downgrade+0x900/0x900
[  399.859210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.864749]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.870197]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.875646]  ? addrconf_rs_timer+0x690/0x690
[  399.880089]  ndisc_alloc_skb+0x144/0x340
[  399.884160]  ndisc_send_rs+0x331/0x6e0
[  399.888050]  addrconf_rs_timer+0x314/0x690
[  399.892289]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.896533]  call_timer_fn+0x272/0x920
[  399.900416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.904701]  ? process_timeout+0x40/0x40
[  399.908815]  ? mark_held_locks+0xc7/0x130
[  399.912968]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.917463]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.921999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.926239]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.930850]  ? trace_hardirqs_on+0xbd/0x310
[  399.935191]  ? kasan_check_read+0x11/0x20
[  399.939340]  ? __run_timers+0x7da/0xc70
[  399.943316]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.948430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.952702]  __run_timers+0x7e5/0xc70
[  399.956511]  ? timer_fixup_init+0x70/0x70
[  399.960658]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.965687]  ? zap_class+0x640/0x640
[  399.969419]  ? print_usage_bug+0xc0/0xc0
[  399.973493]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.978692]  ? find_held_lock+0x36/0x1c0
[  399.982810]  ? zap_class+0x640/0x640
[  399.986530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.992070]  ? check_preemption_disabled+0x48/0x280
[  399.997093]  ? __lock_is_held+0xb5/0x140
[  400.001153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.006714]  ? check_preemption_disabled+0x48/0x280
[  400.011764]  run_timer_softirq+0x52/0xb0
[  400.015820]  ? rcu_read_lock_sched_held+0x14f/0x180
[  400.020873]  __do_softirq+0x308/0xb7e
[  400.024682]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  400.029181]  ? lock_downgrade+0x900/0x900
[  400.033339]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  400.038455]  ? pvclock_read_flags+0x160/0x160
[  400.042960]  ? lapic_next_event+0x5a/0x90
[  400.047112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.052653]  ? kvm_clock_read+0x18/0x30
[  400.056676]  ? kvm_sched_clock_read+0x9/0x20
[  400.061098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.066677]  ? check_preemption_disabled+0x48/0x280
[  400.071740]  irq_exit+0x17f/0x1c0
[  400.075230]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.080069]  ? smp_reschedule_interrupt+0x109/0x650
[  400.085089]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.090972]  ? interrupt_entry+0xb5/0xc0
[  400.095031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.100041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.105055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.109900]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.114916]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.119997]  ? task_prio+0x50/0x50
[  400.123552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.129106]  ? check_preemption_disabled+0x48/0x280
[  400.134142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.138989]  apic_timer_interrupt+0xf/0x20
[  400.143217]  </IRQ>
[  400.145459] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  400.150136] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  400.169198] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.176928] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  400.184210] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  400.191476] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  400.198741] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  400.206056] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  400.213407]  ? mark_held_locks+0x130/0x130
[  400.217676]  ? kernfs_notify_workfn+0xf0/0x440
[  400.222309]  ? mark_held_locks+0x130/0x130
[  400.226540]  ? set_next_entity+0x493/0xc70
[  400.230799]  ? mutex_trylock+0x2b0/0x2b0
[  400.234908]  ? update_load_avg+0x2470/0x2470
[  400.239335]  ? zap_class+0x640/0x640
[  400.243091]  ? zap_class+0x640/0x640
[  400.246830]  ? print_usage_bug+0xc0/0xc0
[  400.250953]  ? find_held_lock+0x36/0x1c0
[  400.255023]  ? mark_held_locks+0xc7/0x130
[  400.259168]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.263692]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.268217]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.272797]  ? trace_hardirqs_on+0xbd/0x310
[  400.277114]  ? kasan_check_read+0x11/0x20
[  400.281258]  ? kernfs_notify_workfn+0xe2/0x440
[  400.285864]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.290991]  mutex_lock_nested+0x16/0x20
[  400.295046]  ? _raw_spin_unlock_irq+0x60/0x80
[  400.299556]  ? mutex_lock_nested+0x16/0x20
[  400.303792]  kernfs_notify_workfn+0xf0/0x440
[  400.308205]  process_one_work+0xc90/0x1c40
[  400.312434]  ? mark_held_locks+0x130/0x130
[  400.316706]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  400.321370]  ? __switch_to_asm+0x40/0x70
[  400.325427]  ? __switch_to_asm+0x34/0x70
[  400.329491]  ? __switch_to_asm+0x40/0x70
[  400.333547]  ? __switch_to_asm+0x34/0x70
[  400.337604]  ? __switch_to_asm+0x40/0x70
[  400.341697]  ? __switch_to_asm+0x34/0x70
[  400.345770]  ? __switch_to_asm+0x40/0x70
[  400.349827]  ? __switch_to_asm+0x34/0x70
[  400.353925]  ? __switch_to_asm+0x40/0x70
[  400.358023]  ? __schedule+0x8d7/0x21d0
[  400.361917]  ? lock_downgrade+0x900/0x900
[  400.366068]  ? zap_class+0x640/0x640
[  400.369784]  ? zap_class+0x640/0x640
[  400.373524]  ? find_held_lock+0x36/0x1c0
[  400.377611]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.382234]  ? lock_acquire+0x1ed/0x520
[  400.386216]  ? worker_thread+0x3e0/0x1390
[  400.390372]  ? kasan_check_read+0x11/0x20
[  400.394524]  ? do_raw_spin_lock+0x14f/0x350
[  400.398854]  ? kasan_check_read+0x11/0x20
[  400.403021]  ? rwlock_bug.part.2+0x90/0x90
[  400.407262]  ? trace_hardirqs_on+0x310/0x310
[  400.411712]  worker_thread+0x17f/0x1390
[  400.415699]  ? __switch_to_asm+0x34/0x70
[  400.419781]  ? process_one_work+0x1c40/0x1c40
[  400.424291]  ? zap_class+0x640/0x640
[  400.428052]  ? __kthread_parkme+0xce/0x1a0
[  400.432295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.437402]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  400.442508]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.447093]  ? trace_hardirqs_on+0xbd/0x310
[  400.451417]  ? kasan_check_read+0x11/0x20
[  400.455570]  ? __kthread_parkme+0xce/0x1a0
[  400.459812]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.464940]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.470052]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  400.475186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.480738]  ? __kthread_parkme+0xfb/0x1a0
[  400.484988]  ? process_one_work+0x1c40/0x1c40
[  400.489480]  kthread+0x35a/0x440
[  400.492854]  ? kthread_stop+0x900/0x900
[  400.496831]  ret_from_fork+0x3a/0x50
[  400.500561] warn_alloc_show_mem: 1 callbacks suppressed
[  400.500573] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  400.500575] Mem-Info:
[  400.500606] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  400.500606]  active_file:9 inactive_file:10 isolated_file:8
[  400.500606]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.500606]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  400.500606]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  400.500606]  free:13786 free_pcp:282 free_cma:0
[  400.505945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.512966] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.515363] Call Trace:
[  400.548360] 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
[  400.557708]  <IRQ>
[  400.585551] lowmem_reserve[]: 0 2818 6321 6321
[  400.588140]  dump_stack+0x244/0x39d
[  400.614432] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  400.616592]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.621138] lowmem_reserve[]: 0 0 3503 3503
[  400.624773]  warn_alloc.cold.116+0xb7/0x1bd
[  400.652076] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  400.657285]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.661580] lowmem_reserve[]: 0 0 0 0
[  400.665905]  ? lock_downgrade+0x900/0x900
[  400.694778] 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
[  400.699628]  ? trace_hardirqs_off+0xb8/0x310
[  400.703398] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  400.707542]  ? trace_hardirqs_off+0xb8/0x310
[  400.721046] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  400.725463]  __alloc_pages_slowpath+0x2651/0x2de0
[  400.740623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.745054]  ? warn_alloc+0x120/0x120
[  400.760024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.764876]  ? print_usage_bug+0xc0/0xc0
[  400.773690] 4366 total pagecache pages
[  400.777494]  ? warn_alloc+0x120/0x120
[  400.786058] 0 pages in swap cache
[  400.790122]  ? warn_alloc+0x120/0x120
[  400.793981] Swap cache stats: add 0, delete 0, find 0/0
[  400.797793]  ? print_usage_bug+0xc0/0xc0
[  400.801308] Free swap  = 0kB
[  400.805117]  ? print_usage_bug+0xc0/0xc0
[  400.810458] Total swap = 0kB
[  400.814532]  ? __lock_acquire+0x62f/0x4c20
[  400.817525] 1965979 pages RAM
[  400.821590]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.824582] 0 pages HighMem/MovableOnly
[  400.828827]  ? should_fail+0x22d/0xd01
[  400.831910] 342854 pages reserved
[  400.837447]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.841387] 0 pages cma reserved
[  400.845292]  ? __lock_acquire+0x62f/0x4c20
[  400.848787] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.853817]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.853830]  ? __lock_acquire+0x62f/0x4c20
[  400.853845]  ? should_fail+0x22d/0xd01
[  400.857280] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.861454]  ? find_held_lock+0x36/0x1c0
[  400.867925] kworker/0:2 cpuset=/ mems_allowed=0
[  400.873028]  ? mark_held_locks+0x130/0x130
[  400.904405]  ? mark_held_locks+0x130/0x130
[  400.908644]  ? zap_class+0x640/0x640
[  400.912377]  ? zap_class+0x640/0x640
[  400.916105]  ? print_usage_bug+0xc0/0xc0
[  400.920196]  ? do_raw_spin_unlock+0xa7/0x330
[  400.924604]  ? zap_class+0x640/0x640
[  400.928327]  ? print_usage_bug+0xc0/0xc0
[  400.932395]  ? wq_watchdog_touch+0x9c/0xfe
[  400.936643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.942195]  ? check_preemption_disabled+0x48/0x280
[  400.947228]  ? __lock_is_held+0xb5/0x140
[  400.951300]  __alloc_pages_nodemask+0xad8/0xea0
[  400.955972]  ? zap_class+0x640/0x640
[  400.959712]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  400.964746]  ? find_held_lock+0x36/0x1c0
[  400.968837]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.973513]  ? lock_downgrade+0x900/0x900
[  400.977699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.983246]  cache_grow_begin+0xa5/0x8c0
[  400.987311]  ? do_raw_spin_unlock+0xa7/0x330
[  400.991752]  fallback_alloc+0x204/0x2e0
[  400.995749]  ____cache_alloc_node+0x1c7/0x1e0
[  401.000254]  kmem_cache_alloc_node+0xe3/0x730
[  401.004757]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.009009]  __alloc_skb+0x119/0x770
[  401.012739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.018029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.022446]  ? lock_downgrade+0x900/0x900
[  401.026606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.032146]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.037604]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.043061]  ? addrconf_rs_timer+0x690/0x690
[  401.047527]  ndisc_alloc_skb+0x144/0x340
[  401.051598]  ndisc_send_rs+0x331/0x6e0
[  401.055494]  addrconf_rs_timer+0x314/0x690
[  401.059739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.064017]  call_timer_fn+0x272/0x920
[  401.067909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.072147]  ? process_timeout+0x40/0x40
[  401.076224]  ? mark_held_locks+0xc7/0x130
[  401.080383]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.084900]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.089396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.093639]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.098234]  ? trace_hardirqs_on+0xbd/0x310
[  401.102561]  ? kasan_check_read+0x11/0x20
[  401.106714]  ? __run_timers+0x7da/0xc70
[  401.110712]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.115822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.120067]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.124303]  __run_timers+0x7e5/0xc70
[  401.128119]  ? timer_fixup_init+0x70/0x70
[  401.132272]  ? kasan_check_read+0x11/0x20
[  401.136419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.141707]  ? rcu_softirq_qs+0x20/0x20
[  401.145695]  ? mark_held_locks+0xc7/0x130
[  401.149864]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.154666]  ? retint_kernel+0x2d/0x2d
[  401.158574]  ? trace_hardirqs_on_caller+0xc0/0x310
[  401.163514]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.168273]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.173735]  ? zap_class+0x640/0x640
[  401.177460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.183019]  ? check_preemption_disabled+0x48/0x280
[  401.188120]  ? __lock_is_held+0xb5/0x140
[  401.192227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.197769]  ? check_preemption_disabled+0x48/0x280
[  401.202794]  run_timer_softirq+0x52/0xb0
[  401.206871]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.211906]  __do_softirq+0x308/0xb7e
[  401.215721]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.220217]  ? lock_downgrade+0x900/0x900
[  401.224370]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.229484]  ? pvclock_read_flags+0x160/0x160
[  401.233981]  ? lapic_next_event+0x5a/0x90
[  401.238131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.243678]  ? kvm_clock_read+0x18/0x30
[  401.247698]  ? kvm_sched_clock_read+0x9/0x20
[  401.252154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.257707]  ? check_preemption_disabled+0x48/0x280
[  401.262736]  irq_exit+0x17f/0x1c0
[  401.266199]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.271062]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.276950]  ? interrupt_entry+0xb5/0xc0
[  401.281031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.286053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.291074]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.295937]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.300958]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.305976]  ? task_prio+0x50/0x50
[  401.309605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.315179]  ? check_preemption_disabled+0x48/0x280
[  401.320208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.325068]  apic_timer_interrupt+0xf/0x20
[  401.329304]  </IRQ>
[  401.331547] RIP: 0010:dump_stack+0x358/0x39d
[  401.335960] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  401.354877] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  401.362605] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  401.369879] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  401.377182] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  401.384473] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  401.391746] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  401.399058]  ? dump_stack+0x34f/0x39d
[  401.402876]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.408083]  ? mark_held_locks+0x130/0x130
[  401.412324]  ? mark_held_locks+0x130/0x130
[  401.416572]  dump_header+0x27b/0xf72
[  401.420303]  ? pagefault_out_of_memory+0x197/0x197
[  401.425295]  ? __lock_acquire+0x62f/0x4c20
[  401.429535]  ? percpu_ref_get_many+0x240/0x240
[  401.434133]  ? print_usage_bug+0xc0/0xc0
[  401.438202]  ? zap_class+0x640/0x640
[  401.441922]  ? print_usage_bug+0xc0/0xc0
[  401.445986]  ? print_usage_bug+0xc0/0xc0
[  401.450052]  ? zap_class+0x640/0x640
[  401.453787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.459331]  ? find_held_lock+0x36/0x1c0
[  401.463420]  ? mark_held_locks+0xc7/0x130
[  401.467582]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.472712]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  401.477838]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.482430]  ? trace_hardirqs_on+0xbd/0x310
[  401.486755]  ? kasan_check_read+0x11/0x20
[  401.490911]  ? ___ratelimit+0x3b4/0x672
[  401.494888]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.500021]  ? trace_hardirqs_on+0x310/0x310
[  401.504446]  ? lock_downgrade+0x900/0x900
[  401.508622]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  401.513733]  ? ___ratelimit+0x3b9/0x672
[  401.517711]  ? idr_get_free+0xf70/0xf70
[  401.521701]  ? find_held_lock+0x36/0x1c0
[  401.525779]  oom_kill_process.cold.27+0x10/0x903
[  401.530539]  ? zap_class+0x640/0x640
[  401.534255]  ? check_preemption_disabled+0x48/0x280
[  401.539279]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.544212]  ? kasan_check_read+0x11/0x20
[  401.548367]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.553649]  ? oom_evaluate_task+0x540/0x540
[  401.558073]  ? find_held_lock+0x36/0x1c0
[  401.562145]  ? out_of_memory+0x974/0x1430
[  401.566298]  ? lock_downgrade+0x900/0x900
[  401.570457]  ? check_preemption_disabled+0x48/0x280
[  401.575480]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.580412]  ? kasan_check_read+0x11/0x20
[  401.584572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.589853]  ? rcu_softirq_qs+0x20/0x20
[  401.593839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.599391]  ? oom_evaluate_task+0x302/0x540
[  401.603812]  out_of_memory+0xa84/0x1430
[  401.607808]  ? oom_killer_disable+0x3a0/0x3a0
[  401.612363]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  401.617303]  ? __ww_mutex_check_waiters+0x160/0x160
[  401.622349]  __alloc_pages_slowpath+0x232c/0x2de0
[  401.627239]  ? warn_alloc+0x120/0x120
[  401.631045]  ? mark_held_locks+0x130/0x130
[  401.635286]  ? find_get_entry+0xaae/0x1120
[  401.639547]  ? filemap_map_pages+0x1a20/0x1a20
[  401.644141]  ? zap_class+0x640/0x640
[  401.647862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.653403]  ? check_preemption_disabled+0x48/0x280
[  401.658433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.663975]  ? should_fail+0x22d/0xd01
[  401.667897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.673008]  ? zap_class+0x640/0x640
[  401.676749]  ? __lock_is_held+0xb5/0x140
[  401.680819]  ? mark_held_locks+0x130/0x130
[  401.685067]  ? lock_release+0xa00/0xa00
[  401.689043]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.694495]  ? xa_load+0x2ba/0x460
[  401.698055]  ? lock_downgrade+0x900/0x900
[  401.702237]  ? __might_sleep+0x95/0x190
[  401.706222]  __alloc_pages_nodemask+0xad8/0xea0
[  401.710900]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  401.715942]  ? __page_cache_alloc+0x191/0x5c0
[  401.720441]  ? xa_load+0x2e1/0x460
[  401.723992]  ? xa_clear_mark+0x40/0x40
[  401.727882]  ? zap_class+0x640/0x640
[  401.731604]  ? zap_class+0x640/0x640
[  401.735330]  ? zap_class+0x640/0x640
[  401.739045]  ? __do_page_cache_readahead+0x663/0x810
[  401.744622]  ? find_held_lock+0x36/0x1c0
[  401.748716]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  401.754290]  alloc_pages_current+0x173/0x350
[  401.758706]  __page_cache_alloc+0x38c/0x5c0
[  401.763045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.768018]  ? kasan_check_read+0x11/0x20
[  401.772170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.777464]  ? generic_perform_write+0x6a0/0x6a0
[  401.782220]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.787761]  ? check_preemption_disabled+0x48/0x280
[  401.792785]  filemap_fault+0x1595/0x25f0
[  401.796860]  ? __lock_page_or_retry+0xa00/0xa00
[  401.801545]  ? mark_held_locks+0x130/0x130
[  401.805849]  ? filemap_map_pages+0xd6b/0x1a20
[  401.810375]  ? lock_downgrade+0x900/0x900
[  401.814526]  ? check_preemption_disabled+0x48/0x280
[  401.819546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.824478]  ? kasan_check_read+0x11/0x20
[  401.828636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.833924]  ? rcu_softirq_qs+0x20/0x20
[  401.837916]  ? filemap_map_pages+0xd92/0x1a20
[  401.842432]  ? find_get_entries_tag+0x1400/0x1400
[  401.847305]  ? debug_object_destroy+0x2b0/0x2b0
[  401.851977]  ? lock_pi_update_atomic+0x150/0x150
[  401.856749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.862304]  ? lock_acquire+0x1ed/0x520
[  401.866278]  ? ext4_filemap_fault+0x7a/0xad
[  401.870606]  ? lock_release+0xa00/0xa00
[  401.874582]  ? perf_trace_sched_process_exec+0x860/0x860
[  401.880063]  ? print_usage_bug+0xc0/0xc0
[  401.884186]  ? print_usage_bug+0xc0/0xc0
[  401.888319]  ? down_read+0x8d/0x120
[  401.891962]  ? ext4_filemap_fault+0x7a/0xad
[  401.896295]  ? __down_interruptible+0x700/0x700
[  401.900989]  ext4_filemap_fault+0x82/0xad
[  401.905172]  __do_fault+0x100/0x6b0
[  401.908803]  ? pmd_devmap_trans_unstable+0x220/0x220
[  401.913909]  ? mark_held_locks+0x130/0x130
[  401.918146]  ? mark_held_locks+0x130/0x130
[  401.922387]  ? __might_fault+0x12b/0x1e0
[  401.926450]  ? lock_downgrade+0x900/0x900
[  401.930632]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.936218]  __handle_mm_fault+0x3ea0/0x5be0
[  401.940677]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  401.945561]  ? _copy_to_user+0xc8/0x110
[  401.949557]  ? zap_class+0x640/0x640
[  401.953271]  ? zap_class+0x640/0x640
[  401.956987]  ? __x64_sys_futex+0x53e/0x6a0
[  401.961241]  ? find_held_lock+0x36/0x1c0
[  401.965317]  ? handle_mm_fault+0x42a/0xc70
[  401.969638]  ? lock_downgrade+0x900/0x900
[  401.973811]  ? check_preemption_disabled+0x48/0x280
[  401.978835]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  401.983766]  ? kasan_check_read+0x11/0x20
[  401.987917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.993195]  ? rcu_softirq_qs+0x20/0x20
[  401.997176]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.002283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.007826]  ? check_preemption_disabled+0x48/0x280
[  402.012859]  handle_mm_fault+0x54f/0xc70
[  402.016925]  ? __handle_mm_fault+0x5be0/0x5be0
[  402.021540]  ? find_vma+0x34/0x190
[  402.025090]  __do_page_fault+0x5e8/0xe60
[  402.029169]  ? trace_hardirqs_off+0xb8/0x310
[  402.033598]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  402.039152]  do_page_fault+0xf2/0x7e0
[  402.042962]  ? vmalloc_sync_all+0x30/0x30
[  402.047113]  ? error_entry+0x70/0xd0
[  402.050826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.055842]  ? trace_hardirqs_on_caller+0xc0/0x310
[  402.060786]  ? syscall_return_slowpath+0x5e0/0x5e0
[  402.065713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.070569]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.075582]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.081034]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  402.086066]  ? prepare_exit_to_usermode+0x291/0x3b0
[  402.091095]  ? page_fault+0x8/0x30
[  402.094643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.099498]  ? page_fault+0x8/0x30
[  402.103047]  page_fault+0x1e/0x30
[  402.106498] RIP: 0033:0x45ddf3
[  402.109712] Code: Bad RIP value.
[  402.113071] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  402.118451] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  402.125725] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  402.132996] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  402.140263] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  402.147528] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  402.154820] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  402.154881] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.161955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  402.161992] Workqueue: events kernfs_notify_workfn
[  402.168673] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.177858] Call Trace:
[  402.182783] syz-fuzzer cpuset=/ mems_allowed=0
[  402.193016]  <IRQ>
[  402.202311]  dump_stack+0x244/0x39d
[  402.205955]  ? dump_stack_print_info.cold.1+0x20/0x20
[  402.211165]  warn_alloc.cold.116+0xb7/0x1bd
[  402.215490]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.220337]  ? lock_downgrade+0x900/0x900
[  402.224496]  ? trace_hardirqs_off+0xb8/0x310
[  402.228942]  ? trace_hardirqs_off+0xb8/0x310
[  402.233366]  __alloc_pages_slowpath+0x2651/0x2de0
[  402.238262]  ? warn_alloc+0x120/0x120
[  402.242067]  ? print_usage_bug+0xc0/0xc0
[  402.246137]  ? warn_alloc+0x120/0x120
[  402.249950]  ? warn_alloc+0x120/0x120
[  402.253762]  ? print_usage_bug+0xc0/0xc0
[  402.257831]  ? print_usage_bug+0xc0/0xc0
[  402.261897]  ? __lock_acquire+0x62f/0x4c20
[  402.266149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.271710]  ? should_fail+0x22d/0xd01
[  402.275619]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.280738]  ? __lock_acquire+0x62f/0x4c20
[  402.284994]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.290099]  ? __lock_acquire+0x62f/0x4c20
[  402.294334]  ? should_fail+0x22d/0xd01
[  402.298228]  ? find_held_lock+0x36/0x1c0
[  402.302300]  ? mark_held_locks+0x130/0x130
[  402.306558]  ? mark_held_locks+0x130/0x130
[  402.310794]  ? zap_class+0x640/0x640
[  402.314527]  ? zap_class+0x640/0x640
[  402.318250]  ? print_usage_bug+0xc0/0xc0
[  402.322316]  ? do_raw_spin_unlock+0xa7/0x330
[  402.326731]  ? zap_class+0x640/0x640
[  402.330447]  ? print_usage_bug+0xc0/0xc0
[  402.334514]  ? wq_watchdog_touch+0x9c/0xfe
[  402.338757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.344303]  ? check_preemption_disabled+0x48/0x280
[  402.349331]  ? __lock_is_held+0xb5/0x140
[  402.353402]  __alloc_pages_nodemask+0xad8/0xea0
[  402.358074]  ? zap_class+0x640/0x640
[  402.361813]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  402.366859]  ? find_held_lock+0x36/0x1c0
[  402.370946]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.375636]  ? lock_downgrade+0x900/0x900
[  402.379826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.385380]  cache_grow_begin+0xa5/0x8c0
[  402.389449]  ? do_raw_spin_unlock+0xa7/0x330
[  402.393870]  fallback_alloc+0x204/0x2e0
[  402.397854]  ____cache_alloc_node+0x1c7/0x1e0
[  402.402364]  kmem_cache_alloc_node+0xe3/0x730
[  402.406868]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.411119]  __alloc_skb+0x119/0x770
[  402.414841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.420129]  ? netdev_alloc_frag+0x1f0/0x1f0
[  402.424554]  ? lock_downgrade+0x900/0x900
[  402.428722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.434262]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.439721]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.445177]  ? addrconf_rs_timer+0x690/0x690
[  402.449601]  ndisc_alloc_skb+0x144/0x340
[  402.453681]  ndisc_send_rs+0x331/0x6e0
[  402.457593]  addrconf_rs_timer+0x314/0x690
[  402.461837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.466087]  call_timer_fn+0x272/0x920
[  402.469994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.474229]  ? process_timeout+0x40/0x40
[  402.478303]  ? mark_held_locks+0xc7/0x130
[  402.482458]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.486956]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.491453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.495713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.500301]  ? trace_hardirqs_on+0xbd/0x310
[  402.504641]  ? kasan_check_read+0x11/0x20
[  402.508810]  ? __run_timers+0x7da/0xc70
[  402.512803]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.517915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.522163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.526410]  __run_timers+0x7e5/0xc70
[  402.530225]  ? timer_fixup_init+0x70/0x70
[  402.534378]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.539412]  ? zap_class+0x640/0x640
[  402.543138]  ? print_usage_bug+0xc0/0xc0
[  402.547210]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.552412]  ? find_held_lock+0x36/0x1c0
[  402.556482]  ? zap_class+0x640/0x640
[  402.560206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.565751]  ? check_preemption_disabled+0x48/0x280
[  402.570782]  ? __lock_is_held+0xb5/0x140
[  402.574850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.580395]  ? check_preemption_disabled+0x48/0x280
[  402.585420]  run_timer_softirq+0x52/0xb0
[  402.589486]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.594508]  __do_softirq+0x308/0xb7e
[  402.598320]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.602821]  ? lock_downgrade+0x900/0x900
[  402.606982]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.612341]  ? pvclock_read_flags+0x160/0x160
[  402.616843]  ? lapic_next_event+0x5a/0x90
[  402.620996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.626545]  ? kvm_clock_read+0x18/0x30
[  402.630545]  ? kvm_sched_clock_read+0x9/0x20
[  402.634972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.640516]  ? check_preemption_disabled+0x48/0x280
[  402.645545]  irq_exit+0x17f/0x1c0
[  402.649005]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.653852]  ? smp_reschedule_interrupt+0x109/0x650
[  402.658870]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.664758]  ? interrupt_entry+0xb5/0xc0
[  402.668824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.673843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.678868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.683713]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.688732]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.693766]  ? task_prio+0x50/0x50
[  402.697311]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.702852]  ? check_preemption_disabled+0x48/0x280
[  402.707898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.712774]  apic_timer_interrupt+0xf/0x20
[  402.717018]  </IRQ>
[  402.719263] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  402.723944] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  402.742863] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.750581] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  402.757854] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  402.765128] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  402.772401] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  402.779696] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  402.787007]  ? mark_held_locks+0x130/0x130
[  402.791258]  ? kernfs_notify_workfn+0xf0/0x440
[  402.795849]  ? mark_held_locks+0x130/0x130
[  402.800087]  ? set_next_entity+0x493/0xc70
[  402.804414]  ? mutex_trylock+0x2b0/0x2b0
[  402.808478]  ? update_load_avg+0x2470/0x2470
[  402.812897]  ? zap_class+0x640/0x640
[  402.816623]  ? zap_class+0x640/0x640
[  402.820345]  ? print_usage_bug+0xc0/0xc0
[  402.824424]  ? find_held_lock+0x36/0x1c0
[  402.828506]  ? mark_held_locks+0xc7/0x130
[  402.832671]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.837176]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.841682]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.846275]  ? trace_hardirqs_on+0xbd/0x310
[  402.850597]  ? kasan_check_read+0x11/0x20
[  402.854771]  ? kernfs_notify_workfn+0xe2/0x440
[  402.859372]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.864503]  mutex_lock_nested+0x16/0x20
[  402.868574]  ? _raw_spin_unlock_irq+0x60/0x80
[  402.873064]  ? mutex_lock_nested+0x16/0x20
[  402.877296]  kernfs_notify_workfn+0xf0/0x440
[  402.881716]  process_one_work+0xc90/0x1c40
[  402.885957]  ? mark_held_locks+0x130/0x130
[  402.890215]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  402.894884]  ? __switch_to_asm+0x40/0x70
[  402.898997]  ? __switch_to_asm+0x34/0x70
[  402.903053]  ? __switch_to_asm+0x40/0x70
[  402.907110]  ? __switch_to_asm+0x34/0x70
[  402.911187]  ? __switch_to_asm+0x40/0x70
[  402.915265]  ? __switch_to_asm+0x34/0x70
[  402.919324]  ? __switch_to_asm+0x40/0x70
[  402.923418]  ? __switch_to_asm+0x34/0x70
[  402.927488]  ? __switch_to_asm+0x40/0x70
[  402.931559]  ? __schedule+0x8d7/0x21d0
[  402.935457]  ? lock_downgrade+0x900/0x900
[  402.939614]  ? zap_class+0x640/0x640
[  402.943331]  ? zap_class+0x640/0x640
[  402.947048]  ? find_held_lock+0x36/0x1c0
[  402.951127]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.955726]  ? lock_acquire+0x1ed/0x520
[  402.959721]  ? worker_thread+0x3e0/0x1390
[  402.963879]  ? kasan_check_read+0x11/0x20
[  402.968032]  ? do_raw_spin_lock+0x14f/0x350
[  402.972352]  ? kasan_check_read+0x11/0x20
[  402.976516]  ? rwlock_bug.part.2+0x90/0x90
[  402.980763]  ? trace_hardirqs_on+0x310/0x310
[  402.985184]  worker_thread+0x17f/0x1390
[  402.989157]  ? __switch_to_asm+0x34/0x70
[  402.993230]  ? process_one_work+0x1c40/0x1c40
[  402.997733]  ? zap_class+0x640/0x640
[  403.001473]  ? __kthread_parkme+0xce/0x1a0
[  403.005732]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.010841]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  403.015955]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  403.020538]  ? trace_hardirqs_on+0xbd/0x310
[  403.024860]  ? kasan_check_read+0x11/0x20
[  403.029038]  ? __kthread_parkme+0xce/0x1a0
[  403.033276]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.038383]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.043496]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  403.048601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.054140]  ? __kthread_parkme+0xfb/0x1a0
[  403.058377]  ? process_one_work+0x1c40/0x1c40
[  403.062889]  kthread+0x35a/0x440
[  403.066261]  ? kthread_stop+0x900/0x900
[  403.070238]  ret_from_fork+0x3a/0x50
[  403.073965] warn_alloc_show_mem: 1 callbacks suppressed
[  403.073976] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  403.073978] Mem-Info:
[  403.074009] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  403.074009]  active_file:9 inactive_file:10 isolated_file:8
[  403.074009]  unevictable:0 dirty:0 writeback:0 unstable:0
[  403.074009]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  403.074009]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  403.074009]  free:13786 free_pcp:282 free_cma:0
[  403.079359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.086400] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  403.088797] Call Trace:
[  403.121764] 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
[  403.131145]  <IRQ>
[  403.158993] lowmem_reserve[]: 0 2818 6321 6321
[  403.161601]  dump_stack+0x244/0x39d
[  403.187708] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  403.189897]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.194440] lowmem_reserve[]: 0 0 3503 3503
[  403.198071]  warn_alloc.cold.116+0xb7/0x1bd
[  403.225378] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  403.230570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.234858] lowmem_reserve[]: 0 0 0 0
[  403.239175]  ? lock_downgrade+0x900/0x900
[  403.268068] 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
[  403.272918]  ? trace_hardirqs_off+0xb8/0x310
[  403.276695] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  403.280846]  ? trace_hardirqs_off+0xb8/0x310
[  403.294356] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  403.298771]  __alloc_pages_slowpath+0x2651/0x2de0
[  403.314040] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.318475]  ? warn_alloc+0x120/0x120
[  403.333437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.333446] 4366 total pagecache pages
[  403.338290]  ? warn_alloc+0x120/0x120
[  403.347130] 0 pages in swap cache
[  403.350985]  ? warn_alloc+0x120/0x120
[  403.359546] Swap cache stats: add 0, delete 0, find 0/0
[  403.363426]  ? print_usage_bug+0xc0/0xc0
[  403.367188] Free swap  = 0kB
[  403.370625]  ? print_usage_bug+0xc0/0xc0
[  403.374410] Total swap = 0kB
[  403.379777]  ? mark_held_locks+0x130/0x130
[  403.383806] 1965979 pages RAM
[  403.386832]  ? should_fail+0x22d/0xd01
[  403.390893] 0 pages HighMem/MovableOnly
[  403.393912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.398140] 342854 pages reserved
[  403.401255]  ? should_fail+0x22d/0xd01
[  403.405144] 0 pages cma reserved
[  403.409128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.414705] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.418085]  ? __lock_acquire+0x62f/0x4c20
[  403.422154] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.425318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.430393] kworker/0:2 cpuset=/ mems_allowed=0
[  403.436882]  ? __lock_acquire+0x62f/0x4c20
[  403.465390]  ? should_fail+0x22d/0xd01
[  403.469293]  ? mark_held_locks+0x130/0x130
[  403.473537]  ? mark_held_locks+0x130/0x130
[  403.477804]  ? try_to_wake_up+0x11c/0x1490
[  403.482041]  ? lock_downgrade+0x900/0x900
[  403.486192]  ? zap_class+0x640/0x640
[  403.489919]  ? print_usage_bug+0xc0/0xc0
[  403.493991]  ? trace_hardirqs_off+0xb8/0x310
[  403.498398]  ? kasan_check_read+0x11/0x20
[  403.502550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.508087]  ? check_preemption_disabled+0x48/0x280
[  403.513107]  ? __lock_is_held+0xb5/0x140
[  403.517170]  __alloc_pages_nodemask+0xad8/0xea0
[  403.521838]  ? zap_class+0x640/0x640
[  403.525561]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  403.530586]  ? find_held_lock+0x36/0x1c0
[  403.534654]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.539346]  ? lock_downgrade+0x900/0x900
[  403.543497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.549039]  cache_grow_begin+0xa5/0x8c0
[  403.553096]  ? do_raw_spin_unlock+0xa7/0x330
[  403.557506]  fallback_alloc+0x204/0x2e0
[  403.561513]  ____cache_alloc_node+0x1c7/0x1e0
[  403.566023]  kmem_cache_alloc_node+0xe3/0x730
[  403.570523]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.574804]  __alloc_skb+0x119/0x770
[  403.578518]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.583802]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.588225]  ? lock_downgrade+0x900/0x900
[  403.592377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.597910]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.603358]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.608818]  ? addrconf_rs_timer+0x690/0x690
[  403.613240]  ndisc_alloc_skb+0x144/0x340
[  403.617305]  ndisc_send_rs+0x331/0x6e0
[  403.621195]  addrconf_rs_timer+0x314/0x690
[  403.625450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.629697]  call_timer_fn+0x272/0x920
[  403.633579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.637808]  ? process_timeout+0x40/0x40
[  403.641880]  ? mark_held_locks+0xc7/0x130
[  403.646034]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.650534]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.655031]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.659266]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.663860]  ? trace_hardirqs_on+0xbd/0x310
[  403.668178]  ? kasan_check_read+0x11/0x20
[  403.672322]  ? __run_timers+0x7da/0xc70
[  403.676294]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.681414]  ? __queue_work+0x1440/0x1440
[  403.685593]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.689838]  __run_timers+0x7e5/0xc70
[  403.693681]  ? timer_fixup_init+0x70/0x70
[  403.697846]  ? kasan_check_read+0x11/0x20
[  403.702011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.707285]  ? rcu_softirq_qs+0x20/0x20
[  403.711278]  ? mark_held_locks+0xc7/0x130
[  403.715434]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  403.720224]  ? retint_kernel+0x2d/0x2d
[  403.724126]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.729057]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  403.733814]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.739280]  ? zap_class+0x640/0x640
[  403.743492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.749050]  ? check_preemption_disabled+0x48/0x280
[  403.754077]  ? __lock_is_held+0xb5/0x140
[  403.758173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.763734]  ? check_preemption_disabled+0x48/0x280
[  403.768775]  run_timer_softirq+0x52/0xb0
[  403.772844]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.777867]  __do_softirq+0x308/0xb7e
[  403.781693]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.786204]  ? lock_downgrade+0x900/0x900
[  403.790362]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.795479]  ? pvclock_read_flags+0x160/0x160
[  403.799980]  ? lapic_next_event+0x5a/0x90
[  403.804138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.809694]  ? kvm_clock_read+0x18/0x30
[  403.813684]  ? kvm_sched_clock_read+0x9/0x20
[  403.818112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.823657]  ? check_preemption_disabled+0x48/0x280
[  403.828723]  irq_exit+0x17f/0x1c0
[  403.832185]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.837039]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.842926]  ? interrupt_entry+0xb5/0xc0
[  403.846996]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.852014]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.857038]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.861888]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.866903]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.871923]  ? task_prio+0x50/0x50
[  403.875511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.881065]  ? check_preemption_disabled+0x48/0x280
[  403.886093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.890953]  apic_timer_interrupt+0xf/0x20
[  403.895184]  </IRQ>
[  403.897430] RIP: 0010:dump_stack+0x358/0x39d
[  403.901835] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  403.920742] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  403.928449] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  403.935717] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  403.942996] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  403.950267] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  403.957540] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  403.964839]  ? dump_stack+0x34f/0x39d
[  403.968650]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.973849]  ? mark_held_locks+0x130/0x130
[  403.978078]  ? mark_held_locks+0x130/0x130
[  403.982334]  dump_header+0x27b/0xf72
[  403.986077]  ? pagefault_out_of_memory+0x197/0x197
[  403.991010]  ? __lock_acquire+0x62f/0x4c20
[  403.995247]  ? percpu_ref_get_many+0x240/0x240
[  403.999842]  ? print_usage_bug+0xc0/0xc0
[  404.003907]  ? zap_class+0x640/0x640
[  404.007624]  ? print_usage_bug+0xc0/0xc0
[  404.011687]  ? print_usage_bug+0xc0/0xc0
[  404.015752]  ? zap_class+0x640/0x640
[  404.019470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.025012]  ? find_held_lock+0x36/0x1c0
[  404.029088]  ? mark_held_locks+0xc7/0x130
[  404.033262]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.038365]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  404.043472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.048100]  ? trace_hardirqs_on+0xbd/0x310
[  404.052445]  ? kasan_check_read+0x11/0x20
[  404.056597]  ? ___ratelimit+0x3b4/0x672
[  404.060603]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.065714]  ? trace_hardirqs_on+0x310/0x310
[  404.070158]  ? lock_downgrade+0x900/0x900
[  404.074314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  404.079430]  ? ___ratelimit+0x3b9/0x672
[  404.083409]  ? idr_get_free+0xf70/0xf70
[  404.087390]  ? find_held_lock+0x36/0x1c0
[  404.091467]  oom_kill_process.cold.27+0x10/0x903
[  404.096239]  ? zap_class+0x640/0x640
[  404.099974]  ? check_preemption_disabled+0x48/0x280
[  404.104997]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.109925]  ? kasan_check_read+0x11/0x20
[  404.114079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.119358]  ? oom_evaluate_task+0x540/0x540
[  404.123814]  ? find_held_lock+0x36/0x1c0
[  404.127887]  ? out_of_memory+0x974/0x1430
[  404.132039]  ? lock_downgrade+0x900/0x900
[  404.136204]  ? check_preemption_disabled+0x48/0x280
[  404.141227]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.146174]  ? kasan_check_read+0x11/0x20
[  404.150319]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.155599]  ? rcu_softirq_qs+0x20/0x20
[  404.159581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.165133]  ? oom_evaluate_task+0x302/0x540
[  404.169547]  out_of_memory+0xa84/0x1430
[  404.173534]  ? oom_killer_disable+0x3a0/0x3a0
[  404.178044]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  404.182980]  ? __ww_mutex_check_waiters+0x160/0x160
[  404.188016]  __alloc_pages_slowpath+0x232c/0x2de0
[  404.192889]  ? warn_alloc+0x120/0x120
[  404.196694]  ? mark_held_locks+0x130/0x130
[  404.200933]  ? find_get_entry+0xaae/0x1120
[  404.205174]  ? filemap_map_pages+0x1a20/0x1a20
[  404.209768]  ? zap_class+0x640/0x640
[  404.213509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.219050]  ? check_preemption_disabled+0x48/0x280
[  404.224071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.229609]  ? should_fail+0x22d/0xd01
[  404.233499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.238609]  ? zap_class+0x640/0x640
[  404.242348]  ? __lock_is_held+0xb5/0x140
[  404.246446]  ? mark_held_locks+0x130/0x130
[  404.250689]  ? lock_release+0xa00/0xa00
[  404.254683]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.260131]  ? xa_load+0x2ba/0x460
[  404.263679]  ? lock_downgrade+0x900/0x900
[  404.267831]  ? __might_sleep+0x95/0x190
[  404.271842]  __alloc_pages_nodemask+0xad8/0xea0
[  404.276550]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  404.281611]  ? __page_cache_alloc+0x191/0x5c0
[  404.286111]  ? xa_load+0x2e1/0x460
[  404.289695]  ? xa_clear_mark+0x40/0x40
[  404.293589]  ? zap_class+0x640/0x640
[  404.297313]  ? zap_class+0x640/0x640
[  404.301028]  ? zap_class+0x640/0x640
[  404.304746]  ? __do_page_cache_readahead+0x663/0x810
[  404.309891]  ? find_held_lock+0x36/0x1c0
[  404.313963]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  404.319509]  alloc_pages_current+0x173/0x350
[  404.323923]  __page_cache_alloc+0x38c/0x5c0
[  404.328261]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.333195]  ? kasan_check_read+0x11/0x20
[  404.337346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.342628]  ? generic_perform_write+0x6a0/0x6a0
[  404.347396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.352944]  ? check_preemption_disabled+0x48/0x280
[  404.357984]  filemap_fault+0x1595/0x25f0
[  404.362061]  ? __lock_page_or_retry+0xa00/0xa00
[  404.366735]  ? mark_held_locks+0x130/0x130
[  404.370983]  ? filemap_map_pages+0xd6b/0x1a20
[  404.375485]  ? lock_downgrade+0x900/0x900
[  404.379639]  ? check_preemption_disabled+0x48/0x280
[  404.384674]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.389605]  ? kasan_check_read+0x11/0x20
[  404.393754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.399034]  ? rcu_softirq_qs+0x20/0x20
[  404.403032]  ? filemap_map_pages+0xd92/0x1a20
[  404.407556]  ? find_get_entries_tag+0x1400/0x1400
[  404.412408]  ? debug_object_destroy+0x2b0/0x2b0
[  404.417111]  ? lock_pi_update_atomic+0x150/0x150
[  404.421869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.427420]  ? lock_acquire+0x1ed/0x520
[  404.431429]  ? ext4_filemap_fault+0x7a/0xad
[  404.435755]  ? lock_release+0xa00/0xa00
[  404.439731]  ? perf_trace_sched_process_exec+0x860/0x860
[  404.445185]  ? print_usage_bug+0xc0/0xc0
[  404.449249]  ? print_usage_bug+0xc0/0xc0
[  404.453324]  ? down_read+0x8d/0x120
[  404.456996]  ? ext4_filemap_fault+0x7a/0xad
[  404.461330]  ? __down_interruptible+0x700/0x700
[  404.466006]  ext4_filemap_fault+0x82/0xad
[  404.470175]  __do_fault+0x100/0x6b0
[  404.473803]  ? pmd_devmap_trans_unstable+0x220/0x220
[  404.478908]  ? mark_held_locks+0x130/0x130
[  404.483158]  ? mark_held_locks+0x130/0x130
[  404.487413]  ? __might_fault+0x12b/0x1e0
[  404.491496]  ? lock_downgrade+0x900/0x900
[  404.495653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.501206]  __handle_mm_fault+0x3ea0/0x5be0
[  404.505639]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  404.510498]  ? _copy_to_user+0xc8/0x110
[  404.514491]  ? zap_class+0x640/0x640
[  404.518202]  ? zap_class+0x640/0x640
[  404.521914]  ? __x64_sys_futex+0x53e/0x6a0
[  404.526155]  ? find_held_lock+0x36/0x1c0
[  404.530231]  ? handle_mm_fault+0x42a/0xc70
[  404.534522]  ? lock_downgrade+0x900/0x900
[  404.538680]  ? check_preemption_disabled+0x48/0x280
[  404.543704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  404.548634]  ? kasan_check_read+0x11/0x20
[  404.552792]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.558087]  ? rcu_softirq_qs+0x20/0x20
[  404.562066]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.567178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.572721]  ? check_preemption_disabled+0x48/0x280
[  404.577749]  handle_mm_fault+0x54f/0xc70
[  404.581815]  ? __handle_mm_fault+0x5be0/0x5be0
[  404.586400]  ? find_vma+0x34/0x190
[  404.589951]  __do_page_fault+0x5e8/0xe60
[  404.594018]  ? trace_hardirqs_off+0xb8/0x310
[  404.598436]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.603993]  do_page_fault+0xf2/0x7e0
[  404.607800]  ? vmalloc_sync_all+0x30/0x30
[  404.612150]  ? error_entry+0x70/0xd0
[  404.615863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.620878]  ? trace_hardirqs_on_caller+0xc0/0x310
[  404.625804]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.630731]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.635574]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.640616]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.646069]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.651082]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.656128]  ? page_fault+0x8/0x30
[  404.659679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.664526]  ? page_fault+0x8/0x30
[  404.668124]  page_fault+0x1e/0x30
[  404.671597] RIP: 0033:0x45ddf3
[  404.674801] Code: Bad RIP value.
[  404.678166] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  404.683527] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  404.690794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  404.698062] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  404.705348] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  404.712617] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  404.719959] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  404.720065] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.727125] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.727166] Workqueue: events kernfs_notify_workfn
[  404.733747] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.742984] Call Trace:
[  404.747902] syz-fuzzer cpuset=/ mems_allowed=0
[  404.758126]  <IRQ>
[  404.767421]  dump_stack+0x244/0x39d
[  404.771056]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.776259]  warn_alloc.cold.116+0xb7/0x1bd
[  404.780581]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.785434]  ? lock_downgrade+0x900/0x900
[  404.789608]  ? trace_hardirqs_off+0xb8/0x310
[  404.794029]  ? trace_hardirqs_off+0xb8/0x310
[  404.798454]  __alloc_pages_slowpath+0x2651/0x2de0
[  404.803329]  ? warn_alloc+0x120/0x120
[  404.807136]  ? print_usage_bug+0xc0/0xc0
[  404.811200]  ? warn_alloc+0x120/0x120
[  404.815022]  ? warn_alloc+0x120/0x120
[  404.818843]  ? print_usage_bug+0xc0/0xc0
[  404.822904]  ? kvm_clock_read+0x18/0x30
[  404.826885]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.831926]  ? print_usage_bug+0xc0/0xc0
[  404.836010]  ? __lock_acquire+0x62f/0x4c20
[  404.840254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.845798]  ? should_fail+0x22d/0xd01
[  404.849704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.854810]  ? __lock_acquire+0x62f/0x4c20
[  404.859053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.864161]  ? __lock_acquire+0x62f/0x4c20
[  404.868397]  ? should_fail+0x22d/0xd01
[  404.872297]  ? mark_held_locks+0x130/0x130
[  404.876539]  ? mark_held_locks+0x130/0x130
[  404.880785]  ? zap_class+0x640/0x640
[  404.884512]  ? print_usage_bug+0xc0/0xc0
[  404.888596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.894136]  ? check_preemption_disabled+0x48/0x280
[  404.899163]  ? __lock_is_held+0xb5/0x140
[  404.903234]  __alloc_pages_nodemask+0xad8/0xea0
[  404.907905]  ? zap_class+0x640/0x640
[  404.911634]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  404.916679]  ? find_held_lock+0x36/0x1c0
[  404.920753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.925438]  ? lock_downgrade+0x900/0x900
[  404.929609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.935151]  cache_grow_begin+0xa5/0x8c0
[  404.939216]  ? do_raw_spin_unlock+0xa7/0x330
[  404.943629]  fallback_alloc+0x204/0x2e0
[  404.947722]  ____cache_alloc_node+0x1c7/0x1e0
[  404.952241]  kmem_cache_alloc_node+0xe3/0x730
[  404.956740]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.961035]  __alloc_skb+0x119/0x770
[  404.964766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.970060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.974472]  ? lock_downgrade+0x900/0x900
[  404.978628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.984164]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.989632]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.995109]  ? addrconf_rs_timer+0x690/0x690
[  404.999532]  ndisc_alloc_skb+0x144/0x340
[  405.003597]  ndisc_send_rs+0x331/0x6e0
[  405.007491]  addrconf_rs_timer+0x314/0x690
[  405.011740]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.016050]  call_timer_fn+0x272/0x920
[  405.019951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.024189]  ? process_timeout+0x40/0x40
[  405.028264]  ? mark_held_locks+0xc7/0x130
[  405.032416]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.036933]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.041435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.045684]  ? lockdep_hardirqs_on+0x296/0x5b0
[  405.050300]  ? trace_hardirqs_on+0xbd/0x310
[  405.054624]  ? kasan_check_read+0x11/0x20
[  405.058772]  ? __run_timers+0x7da/0xc70
[  405.062764]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.067881]  ? can_init_stats.isra.0+0x100/0x100
[  405.072677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.076928]  __run_timers+0x7e5/0xc70
[  405.080746]  ? timer_fixup_init+0x70/0x70
[  405.084901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.089930]  ? zap_class+0x640/0x640
[  405.093656]  ? print_usage_bug+0xc0/0xc0
[  405.097757]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.102964]  ? find_held_lock+0x36/0x1c0
[  405.107032]  ? zap_class+0x640/0x640
[  405.110761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.116305]  ? check_preemption_disabled+0x48/0x280
[  405.121336]  ? __lock_is_held+0xb5/0x140
[  405.125406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.130955]  ? check_preemption_disabled+0x48/0x280
[  405.135979]  run_timer_softirq+0x52/0xb0
[  405.140046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  405.145065]  __do_softirq+0x308/0xb7e
[  405.148872]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  405.153372]  ? lock_downgrade+0x900/0x900
[  405.157547]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  405.162678]  ? pvclock_read_flags+0x160/0x160
[  405.167181]  ? lapic_next_event+0x5a/0x90
[  405.171335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.176881]  ? kvm_clock_read+0x18/0x30
[  405.180873]  ? kvm_sched_clock_read+0x9/0x20
[  405.185295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.190837]  ? check_preemption_disabled+0x48/0x280
[  405.195863]  irq_exit+0x17f/0x1c0
[  405.199322]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.204176]  ? smp_reschedule_interrupt+0x109/0x650
[  405.209207]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.215125]  ? interrupt_entry+0xb5/0xc0
[  405.219190]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.224219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.229236]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.234080]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.239103]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.244115]  ? task_prio+0x50/0x50
[  405.247719]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.253277]  ? check_preemption_disabled+0x48/0x280
[  405.258323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.263184]  apic_timer_interrupt+0xf/0x20
[  405.267412]  </IRQ>
[  405.269652] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  405.274359] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  405.293272] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.300979] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  405.308267] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  405.315566] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  405.322836] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  405.330103] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  405.337409]  ? mark_held_locks+0x130/0x130
[  405.341654]  ? kernfs_notify_workfn+0xf0/0x440
[  405.346242]  ? mark_held_locks+0x130/0x130
[  405.350475]  ? set_next_entity+0x493/0xc70
[  405.354711]  ? mutex_trylock+0x2b0/0x2b0
[  405.358778]  ? update_load_avg+0x2470/0x2470
[  405.363214]  ? zap_class+0x640/0x640
[  405.366935]  ? zap_class+0x640/0x640
[  405.370656]  ? print_usage_bug+0xc0/0xc0
[  405.374738]  ? find_held_lock+0x36/0x1c0
[  405.378838]  ? mark_held_locks+0xc7/0x130
[  405.383000]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.387495]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.392013]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.396596]  ? trace_hardirqs_on+0xbd/0x310
[  405.400914]  ? kasan_check_read+0x11/0x20
[  405.405063]  ? kernfs_notify_workfn+0xe2/0x440
[  405.409676]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.414793]  mutex_lock_nested+0x16/0x20
[  405.418851]  ? _raw_spin_unlock_irq+0x60/0x80
[  405.423343]  ? mutex_lock_nested+0x16/0x20
[  405.427578]  kernfs_notify_workfn+0xf0/0x440
[  405.431991]  process_one_work+0xc90/0x1c40
[  405.436260]  ? mark_held_locks+0x130/0x130
[  405.440541]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  405.445227]  ? __switch_to_asm+0x40/0x70
[  405.449298]  ? __switch_to_asm+0x34/0x70
[  405.453354]  ? __switch_to_asm+0x40/0x70
[  405.457408]  ? __switch_to_asm+0x34/0x70
[  405.461471]  ? __switch_to_asm+0x40/0x70
[  405.465527]  ? __switch_to_asm+0x34/0x70
[  405.469582]  ? __switch_to_asm+0x40/0x70
[  405.473637]  ? __switch_to_asm+0x34/0x70
[  405.477711]  ? __switch_to_asm+0x40/0x70
[  405.481777]  ? __schedule+0x8d7/0x21d0
[  405.485681]  ? lock_downgrade+0x900/0x900
[  405.489863]  ? zap_class+0x640/0x640
[  405.493578]  ? zap_class+0x640/0x640
[  405.497296]  ? find_held_lock+0x36/0x1c0
[  405.501359]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.505987]  ? lock_acquire+0x1ed/0x520
[  405.509959]  ? worker_thread+0x3e0/0x1390
[  405.514111]  ? kasan_check_read+0x11/0x20
[  405.518258]  ? do_raw_spin_lock+0x14f/0x350
[  405.522576]  ? kasan_check_read+0x11/0x20
[  405.526737]  ? rwlock_bug.part.2+0x90/0x90
[  405.530973]  ? trace_hardirqs_on+0x310/0x310
[  405.535392]  worker_thread+0x17f/0x1390
[  405.539368]  ? __switch_to_asm+0x34/0x70
[  405.543451]  ? process_one_work+0x1c40/0x1c40
[  405.547959]  ? zap_class+0x640/0x640
[  405.551732]  ? __kthread_parkme+0xce/0x1a0
[  405.555988]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.561093]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.566199]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.570785]  ? trace_hardirqs_on+0xbd/0x310
[  405.575102]  ? kasan_check_read+0x11/0x20
[  405.579264]  ? __kthread_parkme+0xce/0x1a0
[  405.583515]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.588618]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.593757]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.598891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.604460]  ? __kthread_parkme+0xfb/0x1a0
[  405.608741]  ? process_one_work+0x1c40/0x1c40
[  405.613248]  kthread+0x35a/0x440
[  405.616627]  ? kthread_stop+0x900/0x900
[  405.620603]  ret_from_fork+0x3a/0x50
[  405.624370] warn_alloc_show_mem: 1 callbacks suppressed
[  405.624381] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  405.624383] Mem-Info:
[  405.624429] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  405.624429]  active_file:9 inactive_file:10 isolated_file:8
[  405.624429]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.624429]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  405.624429]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  405.624429]  free:13786 free_pcp:282 free_cma:0
[  405.629775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.629783] Call Trace:
[  405.636805] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.639198]  <IRQ>
[  405.672164] 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
[  405.681533]  dump_stack+0x244/0x39d
[  405.684089] lowmem_reserve[]: 0 2818 6321 6321
[  405.711956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.714078] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  405.740203]  warn_alloc.cold.116+0xb7/0x1bd
[  405.743954] lowmem_reserve[]: 0 0 3503 3503
[  405.748552]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.753721] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  405.781078]  ? lock_downgrade+0x900/0x900
[  405.785380] lowmem_reserve[]: 0 0 0 0
[  405.789722]  ? trace_hardirqs_off+0xb8/0x310
[  405.794544] 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
[  405.823447]  ? trace_hardirqs_off+0xb8/0x310
[  405.827565] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  405.831365]  __alloc_pages_slowpath+0x2651/0x2de0
[  405.835743] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  405.849337]  ? warn_alloc+0x120/0x120
[  405.853726] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.868908]  ? print_usage_bug+0xc0/0xc0
[  405.873737] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.888740]  ? warn_alloc+0x120/0x120
[  405.892512] 4366 total pagecache pages
[  405.901362]  ? warn_alloc+0x120/0x120
[  405.905420] 0 pages in swap cache
[  405.913992]  ? print_usage_bug+0xc0/0xc0
[  405.917768] Swap cache stats: add 0, delete 0, find 0/0
[  405.921656]  ? kvm_clock_read+0x18/0x30
[  405.925450] Free swap  = 0kB
[  405.928908]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  405.932950] Total swap = 0kB
[  405.938336]  ? print_usage_bug+0xc0/0xc0
[  405.942298] 1965979 pages RAM
[  405.945315]  ? __lock_acquire+0x62f/0x4c20
[  405.950320] 0 pages HighMem/MovableOnly
[  405.953336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.957399] 342854 pages reserved
[  405.960503]  ? should_fail+0x22d/0xd01
[  405.964714] 0 pages cma reserved
[  405.968692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.974261] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.977647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.981602] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.984877]  ? __lock_acquire+0x62f/0x4c20
[  405.990127] kworker/0:2 cpuset=/ mems_allowed=0
[  405.996613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.025977]  ? __lock_acquire+0x62f/0x4c20
[  406.030227]  ? should_fail+0x22d/0xd01
[  406.034111]  ? rcu_irq_exit+0x1a2/0x390
[  406.038115]  ? mark_held_locks+0x130/0x130
[  406.042355]  ? mark_held_locks+0x130/0x130
[  406.046597]  ? mark_held_locks+0xc7/0x130
[  406.050747]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  406.055773]  ? zap_class+0x640/0x640
[  406.059504]  ? print_usage_bug+0xc0/0xc0
[  406.063606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.069143]  ? check_preemption_disabled+0x48/0x280
[  406.074169]  ? __lock_is_held+0xb5/0x140
[  406.078240]  __alloc_pages_nodemask+0xad8/0xea0
[  406.082915]  ? zap_class+0x640/0x640
[  406.086633]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  406.091673]  ? find_held_lock+0x36/0x1c0
[  406.095749]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.100439]  ? lock_downgrade+0x900/0x900
[  406.104612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.110159]  cache_grow_begin+0xa5/0x8c0
[  406.114224]  ? do_raw_spin_unlock+0xa7/0x330
[  406.118639]  fallback_alloc+0x204/0x2e0
[  406.122639]  ____cache_alloc_node+0x1c7/0x1e0
[  406.127165]  kmem_cache_alloc_node+0xe3/0x730
[  406.131675]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.135922]  __alloc_skb+0x119/0x770
[  406.139644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.144947]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.149358]  ? lock_downgrade+0x900/0x900
[  406.153515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.159072]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.164568]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.170052]  ? addrconf_rs_timer+0x690/0x690
[  406.174473]  ndisc_alloc_skb+0x144/0x340
[  406.178539]  ndisc_send_rs+0x331/0x6e0
[  406.182435]  addrconf_rs_timer+0x314/0x690
[  406.186706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.190953]  call_timer_fn+0x272/0x920
[  406.194852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.199088]  ? process_timeout+0x40/0x40
[  406.203157]  ? mark_held_locks+0xc7/0x130
[  406.207359]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.211893]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.216390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.220644]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.225250]  ? trace_hardirqs_on+0xbd/0x310
[  406.229578]  ? kasan_check_read+0x11/0x20
[  406.233725]  ? __run_timers+0x7da/0xc70
[  406.237700]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.242829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.247073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.251312]  __run_timers+0x7e5/0xc70
[  406.255123]  ? timer_fixup_init+0x70/0x70
[  406.259270]  ? kasan_check_read+0x11/0x20
[  406.263417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.268697]  ? rcu_softirq_qs+0x20/0x20
[  406.272693]  ? mark_held_locks+0xc7/0x130
[  406.276851]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  406.281616]  ? retint_kernel+0x2d/0x2d
[  406.285523]  ? trace_hardirqs_on_caller+0xc0/0x310
[  406.290468]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  406.295235]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.300722]  ? zap_class+0x640/0x640
[  406.304491]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.310029]  ? check_preemption_disabled+0x48/0x280
[  406.315052]  ? __lock_is_held+0xb5/0x140
[  406.319112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.324652]  ? check_preemption_disabled+0x48/0x280
[  406.329689]  run_timer_softirq+0x52/0xb0
[  406.333754]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.338772]  __do_softirq+0x308/0xb7e
[  406.342588]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.347111]  ? lock_downgrade+0x900/0x900
[  406.351264]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.356378]  ? pvclock_read_flags+0x160/0x160
[  406.360886]  ? lapic_next_event+0x5a/0x90
[  406.365048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.370593]  ? kvm_clock_read+0x18/0x30
[  406.374565]  ? kvm_sched_clock_read+0x9/0x20
[  406.378978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.384532]  ? check_preemption_disabled+0x48/0x280
[  406.389557]  irq_exit+0x17f/0x1c0
[  406.393014]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.397860]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.403789]  ? interrupt_entry+0xb5/0xc0
[  406.407894]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.412909]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.417927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.422791]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.427806]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.432854]  ? task_prio+0x50/0x50
[  406.436411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.441952]  ? check_preemption_disabled+0x48/0x280
[  406.447022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.451890]  apic_timer_interrupt+0xf/0x20
[  406.456160]  </IRQ>
[  406.458442] RIP: 0010:dump_stack+0x358/0x39d
[  406.462849] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  406.481755] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  406.489466] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  406.496736] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  406.504000] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  406.511265] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  406.518531] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  406.525839]  ? dump_stack+0x34f/0x39d
[  406.529684]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.534879]  ? mark_held_locks+0x130/0x130
[  406.539130]  ? mark_held_locks+0x130/0x130
[  406.543370]  dump_header+0x27b/0xf72
[  406.547115]  ? pagefault_out_of_memory+0x197/0x197
[  406.552071]  ? __lock_acquire+0x62f/0x4c20
[  406.556309]  ? percpu_ref_get_many+0x240/0x240
[  406.560895]  ? print_usage_bug+0xc0/0xc0
[  406.564985]  ? zap_class+0x640/0x640
[  406.568731]  ? print_usage_bug+0xc0/0xc0
[  406.572790]  ? print_usage_bug+0xc0/0xc0
[  406.576882]  ? zap_class+0x640/0x640
[  406.580614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.586156]  ? find_held_lock+0x36/0x1c0
[  406.590222]  ? mark_held_locks+0xc7/0x130
[  406.594384]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.599482]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  406.604581]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.609171]  ? trace_hardirqs_on+0xbd/0x310
[  406.613519]  ? kasan_check_read+0x11/0x20
[  406.617686]  ? ___ratelimit+0x3b4/0x672
[  406.621701]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.626818]  ? trace_hardirqs_on+0x310/0x310
[  406.631242]  ? lock_downgrade+0x900/0x900
[  406.635394]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  406.640504]  ? ___ratelimit+0x3b9/0x672
[  406.644477]  ? idr_get_free+0xf70/0xf70
[  406.648495]  ? find_held_lock+0x36/0x1c0
[  406.652561]  oom_kill_process.cold.27+0x10/0x903
[  406.657319]  ? zap_class+0x640/0x640
[  406.661035]  ? check_preemption_disabled+0x48/0x280
[  406.666085]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.671011]  ? kasan_check_read+0x11/0x20
[  406.675183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.680464]  ? oom_evaluate_task+0x540/0x540
[  406.684882]  ? find_held_lock+0x36/0x1c0
[  406.688950]  ? out_of_memory+0x974/0x1430
[  406.693128]  ? lock_downgrade+0x900/0x900
[  406.697326]  ? check_preemption_disabled+0x48/0x280
[  406.702353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.707289]  ? kasan_check_read+0x11/0x20
[  406.711448]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.716734]  ? rcu_softirq_qs+0x20/0x20
[  406.720723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.726270]  ? oom_evaluate_task+0x302/0x540
[  406.730696]  out_of_memory+0xa84/0x1430
[  406.734696]  ? oom_killer_disable+0x3a0/0x3a0
[  406.739196]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  406.744133]  ? __ww_mutex_check_waiters+0x160/0x160
[  406.749180]  __alloc_pages_slowpath+0x232c/0x2de0
[  406.754052]  ? warn_alloc+0x120/0x120
[  406.757858]  ? mark_held_locks+0x130/0x130
[  406.762101]  ? find_get_entry+0xaae/0x1120
[  406.766348]  ? filemap_map_pages+0x1a20/0x1a20
[  406.770939]  ? zap_class+0x640/0x640
[  406.774673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.780218]  ? check_preemption_disabled+0x48/0x280
[  406.785254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.790793]  ? should_fail+0x22d/0xd01
[  406.794699]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.799816]  ? zap_class+0x640/0x640
[  406.803557]  ? __lock_is_held+0xb5/0x140
[  406.807644]  ? mark_held_locks+0x130/0x130
[  406.811908]  ? lock_release+0xa00/0xa00
[  406.815902]  ? perf_trace_sched_process_exec+0x860/0x860
[  406.821395]  ? xa_load+0x2ba/0x460
[  406.824952]  ? lock_downgrade+0x900/0x900
[  406.829111]  ? __might_sleep+0x95/0x190
[  406.833115]  __alloc_pages_nodemask+0xad8/0xea0
[  406.837792]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  406.842815]  ? __page_cache_alloc+0x191/0x5c0
[  406.847312]  ? xa_load+0x2e1/0x460
[  406.850855]  ? xa_clear_mark+0x40/0x40
[  406.854743]  ? zap_class+0x640/0x640
[  406.858464]  ? zap_class+0x640/0x640
[  406.862177]  ? zap_class+0x640/0x640
[  406.865897]  ? __do_page_cache_readahead+0x663/0x810
[  406.871005]  ? find_held_lock+0x36/0x1c0
[  406.875073]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  406.880622]  alloc_pages_current+0x173/0x350
[  406.885038]  __page_cache_alloc+0x38c/0x5c0
[  406.889357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.894285]  ? kasan_check_read+0x11/0x20
[  406.898439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.903726]  ? generic_perform_write+0x6a0/0x6a0
[  406.908487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.914025]  ? check_preemption_disabled+0x48/0x280
[  406.919067]  filemap_fault+0x1595/0x25f0
[  406.923159]  ? __lock_page_or_retry+0xa00/0xa00
[  406.927847]  ? mark_held_locks+0x130/0x130
[  406.932090]  ? filemap_map_pages+0xd6b/0x1a20
[  406.936590]  ? lock_downgrade+0x900/0x900
[  406.940739]  ? check_preemption_disabled+0x48/0x280
[  406.945758]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  406.950693]  ? kasan_check_read+0x11/0x20
[  406.954843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.960120]  ? rcu_softirq_qs+0x20/0x20
[  406.964110]  ? filemap_map_pages+0xd92/0x1a20
[  406.968637]  ? find_get_entries_tag+0x1400/0x1400
[  406.973490]  ? debug_object_destroy+0x2b0/0x2b0
[  406.978155]  ? lock_pi_update_atomic+0x150/0x150
[  406.982909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.988459]  ? lock_acquire+0x1ed/0x520
[  406.992437]  ? ext4_filemap_fault+0x7a/0xad
[  406.996765]  ? lock_release+0xa00/0xa00
[  407.000736]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.006192]  ? print_usage_bug+0xc0/0xc0
[  407.010269]  ? print_usage_bug+0xc0/0xc0
[  407.014342]  ? down_read+0x8d/0x120
[  407.017964]  ? ext4_filemap_fault+0x7a/0xad
[  407.022283]  ? __down_interruptible+0x700/0x700
[  407.026977]  ext4_filemap_fault+0x82/0xad
[  407.031136]  __do_fault+0x100/0x6b0
[  407.034760]  ? pmd_devmap_trans_unstable+0x220/0x220
[  407.039861]  ? mark_held_locks+0x130/0x130
[  407.044090]  ? mark_held_locks+0x130/0x130
[  407.048319]  ? __might_fault+0x12b/0x1e0
[  407.052374]  ? lock_downgrade+0x900/0x900
[  407.056562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.062138]  __handle_mm_fault+0x3ea0/0x5be0
[  407.066561]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  407.071438]  ? _copy_to_user+0xc8/0x110
[  407.075430]  ? zap_class+0x640/0x640
[  407.079155]  ? zap_class+0x640/0x640
[  407.082867]  ? __x64_sys_futex+0x53e/0x6a0
[  407.087105]  ? find_held_lock+0x36/0x1c0
[  407.091188]  ? handle_mm_fault+0x42a/0xc70
[  407.095445]  ? lock_downgrade+0x900/0x900
[  407.099589]  ? check_preemption_disabled+0x48/0x280
[  407.104621]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.109570]  ? kasan_check_read+0x11/0x20
[  407.113720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.118993]  ? rcu_softirq_qs+0x20/0x20
[  407.122964]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.128067]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.133622]  ? check_preemption_disabled+0x48/0x280
[  407.138646]  handle_mm_fault+0x54f/0xc70
[  407.142718]  ? __handle_mm_fault+0x5be0/0x5be0
[  407.147306]  ? find_vma+0x34/0x190
[  407.150867]  __do_page_fault+0x5e8/0xe60
[  407.154930]  ? trace_hardirqs_off+0xb8/0x310
[  407.159337]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  407.164887]  do_page_fault+0xf2/0x7e0
[  407.168731]  ? vmalloc_sync_all+0x30/0x30
[  407.172879]  ? error_entry+0x70/0xd0
[  407.176607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.181635]  ? trace_hardirqs_on_caller+0xc0/0x310
[  407.186609]  ? syscall_return_slowpath+0x5e0/0x5e0
[  407.191540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.196381]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.201393]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.206848]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  407.211865]  ? prepare_exit_to_usermode+0x291/0x3b0
[  407.216897]  ? page_fault+0x8/0x30
[  407.220468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.225311]  ? page_fault+0x8/0x30
[  407.228900]  page_fault+0x1e/0x30
[  407.232346] RIP: 0033:0x45ddf3
[  407.235541] Code: Bad RIP value.
[  407.238897] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  407.244251] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  407.251512] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  407.258773] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  407.266066] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  407.273332] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  407.280630] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  407.280727] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.287752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.287767] Workqueue: events kernfs_notify_workfn
[  407.294314] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.303571] Call Trace:
[  407.308481] syz-fuzzer cpuset=/ mems_allowed=0
[  407.318693]  <IRQ>
[  407.327986]  dump_stack+0x244/0x39d
[  407.331630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  407.336898]  warn_alloc.cold.116+0xb7/0x1bd
[  407.341239]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.346076]  ? lock_downgrade+0x900/0x900
[  407.350234]  ? trace_hardirqs_off+0xb8/0x310
[  407.354650]  ? trace_hardirqs_off+0xb8/0x310
[  407.359084]  __alloc_pages_slowpath+0x2651/0x2de0
[  407.363949]  ? warn_alloc+0x120/0x120
[  407.367751]  ? print_usage_bug+0xc0/0xc0
[  407.371807]  ? warn_alloc+0x120/0x120
[  407.375617]  ? warn_alloc+0x120/0x120
[  407.379443]  ? print_usage_bug+0xc0/0xc0
[  407.383516]  ? kvm_clock_read+0x18/0x30
[  407.387481]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  407.392494]  ? print_usage_bug+0xc0/0xc0
[  407.396565]  ? __lock_acquire+0x62f/0x4c20
[  407.400841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.406381]  ? should_fail+0x22d/0xd01
[  407.410264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.415542]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.420644]  ? __lock_acquire+0x62f/0x4c20
[  407.424894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.429991]  ? __lock_acquire+0x62f/0x4c20
[  407.434218]  ? should_fail+0x22d/0xd01
[  407.438095]  ? rcu_irq_exit+0x1a2/0x390
[  407.442071]  ? mark_held_locks+0x130/0x130
[  407.446308]  ? mark_held_locks+0x130/0x130
[  407.450542]  ? mark_held_locks+0xc7/0x130
[  407.454692]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  407.459754]  ? zap_class+0x640/0x640
[  407.463464]  ? print_usage_bug+0xc0/0xc0
[  407.467531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.473094]  ? check_preemption_disabled+0x48/0x280
[  407.478131]  ? __lock_is_held+0xb5/0x140
[  407.482195]  __alloc_pages_nodemask+0xad8/0xea0
[  407.486893]  ? zap_class+0x640/0x640
[  407.490638]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  407.495690]  ? find_held_lock+0x36/0x1c0
[  407.499765]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.504441]  ? lock_downgrade+0x900/0x900
[  407.508599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.514147]  cache_grow_begin+0xa5/0x8c0
[  407.518211]  ? do_raw_spin_unlock+0xa7/0x330
[  407.522630]  fallback_alloc+0x204/0x2e0
[  407.526620]  ____cache_alloc_node+0x1c7/0x1e0
[  407.531124]  kmem_cache_alloc_node+0xe3/0x730
[  407.535627]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.539880]  __alloc_skb+0x119/0x770
[  407.543599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.548881]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.553296]  ? lock_downgrade+0x900/0x900
[  407.557456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.563013]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.568483]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.573982]  ? addrconf_rs_timer+0x690/0x690
[  407.578463]  ndisc_alloc_skb+0x144/0x340
[  407.582544]  ndisc_send_rs+0x331/0x6e0
[  407.586431]  addrconf_rs_timer+0x314/0x690
[  407.590682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.594941]  call_timer_fn+0x272/0x920
[  407.598829]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.603067]  ? process_timeout+0x40/0x40
[  407.607139]  ? mark_held_locks+0xc7/0x130
[  407.611326]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.615840]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.620336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.624589]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.629176]  ? trace_hardirqs_on+0xbd/0x310
[  407.633501]  ? kasan_check_read+0x11/0x20
[  407.637649]  ? __run_timers+0x7da/0xc70
[  407.641642]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.646754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.650998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.655248]  __run_timers+0x7e5/0xc70
[  407.659072]  ? timer_fixup_init+0x70/0x70
[  407.663221]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.668236]  ? zap_class+0x640/0x640
[  407.671959]  ? print_usage_bug+0xc0/0xc0
[  407.676024]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.681225]  ? find_held_lock+0x36/0x1c0
[  407.685289]  ? zap_class+0x640/0x640
[  407.689017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.694560]  ? check_preemption_disabled+0x48/0x280
[  407.699636]  ? __lock_is_held+0xb5/0x140
[  407.703715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.709253]  ? check_preemption_disabled+0x48/0x280
[  407.714275]  run_timer_softirq+0x52/0xb0
[  407.718337]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.723354]  __do_softirq+0x308/0xb7e
[  407.727159]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.731656]  ? lock_downgrade+0x900/0x900
[  407.735832]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.741075]  ? pvclock_read_flags+0x160/0x160
[  407.745583]  ? lapic_next_event+0x5a/0x90
[  407.749742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.755298]  ? kvm_clock_read+0x18/0x30
[  407.759272]  ? kvm_sched_clock_read+0x9/0x20
[  407.763710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.769254]  ? check_preemption_disabled+0x48/0x280
[  407.774285]  irq_exit+0x17f/0x1c0
[  407.777746]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.782592]  ? smp_reschedule_interrupt+0x109/0x650
[  407.787611]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.793497]  ? interrupt_entry+0xb5/0xc0
[  407.797567]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.802582]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.807600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.812448]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.817468]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.822483]  ? task_prio+0x50/0x50
[  407.826027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.831566]  ? check_preemption_disabled+0x48/0x280
[  407.836587]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.841439]  apic_timer_interrupt+0xf/0x20
[  407.845677]  </IRQ>
[  407.847929] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  407.852604] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  407.871503] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  407.879212] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  407.886484] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  407.893753] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  407.901054] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  407.908321] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  407.915620]  ? mark_held_locks+0x130/0x130
[  407.919853]  ? kernfs_notify_workfn+0xf0/0x440
[  407.924437]  ? mark_held_locks+0x130/0x130
[  407.928683]  ? set_next_entity+0x493/0xc70
[  407.932927]  ? mutex_trylock+0x2b0/0x2b0
[  407.936989]  ? update_load_avg+0x2470/0x2470
[  407.941406]  ? zap_class+0x640/0x640
[  407.945130]  ? zap_class+0x640/0x640
[  407.948856]  ? print_usage_bug+0xc0/0xc0
[  407.952943]  ? find_held_lock+0x36/0x1c0
[  407.957020]  ? mark_held_locks+0xc7/0x130
[  407.961178]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.965685]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.970184]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.974770]  ? trace_hardirqs_on+0xbd/0x310
[  407.979111]  ? kasan_check_read+0x11/0x20
[  407.983261]  ? kernfs_notify_workfn+0xe2/0x440
[  407.987848]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.992974]  mutex_lock_nested+0x16/0x20
[  407.997038]  ? _raw_spin_unlock_irq+0x60/0x80
[  408.001551]  ? mutex_lock_nested+0x16/0x20
[  408.005787]  kernfs_notify_workfn+0xf0/0x440
[  408.010214]  process_one_work+0xc90/0x1c40
[  408.014456]  ? mark_held_locks+0x130/0x130
[  408.018716]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  408.023387]  ? __switch_to_asm+0x40/0x70
[  408.027454]  ? __switch_to_asm+0x34/0x70
[  408.031519]  ? __switch_to_asm+0x40/0x70
[  408.035582]  ? __switch_to_asm+0x34/0x70
[  408.039647]  ? __switch_to_asm+0x40/0x70
[  408.043734]  ? __switch_to_asm+0x34/0x70
[  408.047810]  ? __switch_to_asm+0x40/0x70
[  408.051890]  ? __switch_to_asm+0x34/0x70
[  408.055972]  ? __switch_to_asm+0x40/0x70
[  408.060056]  ? __schedule+0x8d7/0x21d0
[  408.063964]  ? lock_downgrade+0x900/0x900
[  408.068129]  ? zap_class+0x640/0x640
[  408.071854]  ? zap_class+0x640/0x640
[  408.075589]  ? find_held_lock+0x36/0x1c0
[  408.079680]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.084285]  ? lock_acquire+0x1ed/0x520
[  408.088261]  ? worker_thread+0x3e0/0x1390
[  408.092426]  ? kasan_check_read+0x11/0x20
[  408.096587]  ? do_raw_spin_lock+0x14f/0x350
[  408.100929]  ? kasan_check_read+0x11/0x20
[  408.105091]  ? rwlock_bug.part.2+0x90/0x90
[  408.109338]  ? trace_hardirqs_on+0x310/0x310
[  408.113783]  worker_thread+0x17f/0x1390
[  408.117777]  ? __switch_to_asm+0x34/0x70
[  408.121879]  ? process_one_work+0x1c40/0x1c40
[  408.126402]  ? zap_class+0x640/0x640
[  408.130165]  ? __kthread_parkme+0xce/0x1a0
[  408.134419]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.139547]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  408.144692]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.149308]  ? trace_hardirqs_on+0xbd/0x310
[  408.153659]  ? kasan_check_read+0x11/0x20
[  408.157848]  ? __kthread_parkme+0xce/0x1a0
[  408.162107]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.167239]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.172377]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  408.177512]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.183063]  ? __kthread_parkme+0xfb/0x1a0
[  408.187311]  ? process_one_work+0x1c40/0x1c40
[  408.191815]  kthread+0x35a/0x440
[  408.195191]  ? kthread_stop+0x900/0x900
[  408.199189]  ret_from_fork+0x3a/0x50
[  408.202928] warn_alloc_show_mem: 1 callbacks suppressed
[  408.202940] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  408.202942] Mem-Info:
[  408.202975] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  408.202975]  active_file:9 inactive_file:10 isolated_file:8
[  408.202975]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.202975]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  408.202975]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  408.202975]  free:13786 free_pcp:282 free_cma:0
[  408.208316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.208327] Call Trace:
[  408.215369] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.217781]  <IRQ>
[  408.250760] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  408.260154]  dump_stack+0x244/0x39d
[  408.262734] lowmem_reserve[]: 0 2818 6321 6321
[  408.290630]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.292757] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  408.318889]  warn_alloc.cold.116+0xb7/0x1bd
[  408.322486] lowmem_reserve[]: 0 0 3503 3503
[  408.327113]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.332285] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  408.359685]  ? lock_downgrade+0x900/0x900
[  408.363978] lowmem_reserve[]: 0 0 0 0
[  408.368357]  ? trace_hardirqs_off+0xb8/0x310
[  408.373180] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  408.402128]  ? trace_hardirqs_off+0xb8/0x310
[  408.406251] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  408.410119]  __alloc_pages_slowpath+0x2651/0x2de0
[  408.414504] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  408.428059]  ? warn_alloc+0x120/0x120
[  408.432445] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.447632]  ? print_usage_bug+0xc0/0xc0
[  408.452469] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.467484]  ? warn_alloc+0x120/0x120
[  408.471272] 4366 total pagecache pages
[  408.480162]  ? warn_alloc+0x120/0x120
[  408.484207] 0 pages in swap cache
[  408.492783]  ? print_usage_bug+0xc0/0xc0
[  408.496573] Swap cache stats: add 0, delete 0, find 0/0
[  408.500455]  ? kvm_clock_read+0x18/0x30
[  408.504229] Free swap  = 0kB
[  408.507691]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.511730] Total swap = 0kB
[  408.511739] 1965979 pages RAM
[  408.517151]  ? print_usage_bug+0xc0/0xc0
[  408.521100] 0 pages HighMem/MovableOnly
[  408.521110] 342854 pages reserved
[  408.524162]  ? __lock_acquire+0x62f/0x4c20
[  408.529178] 0 pages cma reserved
[  408.532227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.535375] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.539401]  ? should_fail+0x22d/0xd01
[  408.543486] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.546836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.551054] kworker/0:2 cpuset=/ mems_allowed=0
[  408.554437]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.595748]  ? __lock_acquire+0x62f/0x4c20
[  408.599992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.605109]  ? __lock_acquire+0x62f/0x4c20
[  408.609355]  ? should_fail+0x22d/0xd01
[  408.613287]  ? rcu_irq_exit+0x1a2/0x390
[  408.617317]  ? mark_held_locks+0x130/0x130
[  408.621578]  ? mark_held_locks+0x130/0x130
[  408.625846]  ? mark_held_locks+0xc7/0x130
[  408.630021]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.635064]  ? zap_class+0x640/0x640
[  408.638809]  ? print_usage_bug+0xc0/0xc0
[  408.642922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.648508]  ? check_preemption_disabled+0x48/0x280
[  408.653561]  ? __lock_is_held+0xb5/0x140
[  408.657689]  __alloc_pages_nodemask+0xad8/0xea0
[  408.662477]  ? zap_class+0x640/0x640
[  408.666233]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  408.671341]  ? find_held_lock+0x36/0x1c0
[  408.675477]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.680225]  ? lock_downgrade+0x900/0x900
[  408.684449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.690029]  cache_grow_begin+0xa5/0x8c0
[  408.694142]  ? do_raw_spin_unlock+0xa7/0x330
[  408.698567]  fallback_alloc+0x204/0x2e0
[  408.702550]  ____cache_alloc_node+0x1c7/0x1e0
[  408.707060]  kmem_cache_alloc_node+0xe3/0x730
[  408.711564]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.715830]  __alloc_skb+0x119/0x770
[  408.719573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.724889]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.729337]  ? lock_downgrade+0x900/0x900
[  408.733521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.739108]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.744599]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.750078]  ? addrconf_rs_timer+0x690/0x690
[  408.754524]  ndisc_alloc_skb+0x144/0x340
[  408.758616]  ndisc_send_rs+0x331/0x6e0
[  408.762539]  addrconf_rs_timer+0x314/0x690
[  408.766807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.771089]  call_timer_fn+0x272/0x920
[  408.775028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.779299]  ? process_timeout+0x40/0x40
[  408.783400]  ? mark_held_locks+0xc7/0x130
[  408.787568]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.792082]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.796591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.800847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  408.805452]  ? trace_hardirqs_on+0xbd/0x310
[  408.809787]  ? kasan_check_read+0x11/0x20
[  408.813949]  ? __run_timers+0x7da/0xc70
[  408.817960]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.823092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.827345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.831594]  __run_timers+0x7e5/0xc70
[  408.835431]  ? timer_fixup_init+0x70/0x70
[  408.839589]  ? kasan_check_read+0x11/0x20
[  408.843739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.849032]  ? rcu_softirq_qs+0x20/0x20
[  408.853035]  ? mark_held_locks+0xc7/0x130
[  408.857197]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  408.861969]  ? retint_kernel+0x2d/0x2d
[  408.865871]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.870829]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  408.875614]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.881088]  ? zap_class+0x640/0x640
[  408.884826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.890387]  ? check_preemption_disabled+0x48/0x280
[  408.895467]  ? __lock_is_held+0xb5/0x140
[  408.899587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.905148]  ? check_preemption_disabled+0x48/0x280
[  408.910247]  run_timer_softirq+0x52/0xb0
[  408.914323]  ? rcu_read_lock_sched_held+0x14f/0x180
[  408.919370]  __do_softirq+0x308/0xb7e
[  408.923191]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  408.927722]  ? lock_downgrade+0x900/0x900
[  408.931896]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  408.937035]  ? pvclock_read_flags+0x160/0x160
[  408.941554]  ? lapic_next_event+0x5a/0x90
[  408.945747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.951305]  ? kvm_clock_read+0x18/0x30
[  408.955294]  ? kvm_sched_clock_read+0x9/0x20
[  408.959722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.965274]  ? check_preemption_disabled+0x48/0x280
[  408.970326]  irq_exit+0x17f/0x1c0
[  408.973791]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.978648]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.984567]  ? interrupt_entry+0xb5/0xc0
[  408.988654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.993695]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.998720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.003600]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.008637]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.013679]  ? task_prio+0x50/0x50
[  409.017239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.022808]  ? check_preemption_disabled+0x48/0x280
[  409.027871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.032760]  apic_timer_interrupt+0xf/0x20
[  409.036993]  </IRQ>
[  409.039235] RIP: 0010:dump_stack+0x358/0x39d
[  409.043671] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  409.062592] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  409.070328] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  409.077620] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  409.084916] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  409.092215] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  409.099524] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  409.106856]  ? dump_stack+0x34f/0x39d
[  409.110720]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.115948]  ? mark_held_locks+0x130/0x130
[  409.120214]  ? mark_held_locks+0x130/0x130
[  409.124479]  dump_header+0x27b/0xf72
[  409.128245]  ? pagefault_out_of_memory+0x197/0x197
[  409.133207]  ? __lock_acquire+0x62f/0x4c20
[  409.137471]  ? percpu_ref_get_many+0x240/0x240
[  409.142084]  ? print_usage_bug+0xc0/0xc0
[  409.146180]  ? zap_class+0x640/0x640
[  409.149930]  ? print_usage_bug+0xc0/0xc0
[  409.154029]  ? print_usage_bug+0xc0/0xc0
[  409.158117]  ? zap_class+0x640/0x640
[  409.161856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.167428]  ? find_held_lock+0x36/0x1c0
[  409.171512]  ? mark_held_locks+0xc7/0x130
[  409.175700]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.180822]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  409.185946]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.190559]  ? trace_hardirqs_on+0xbd/0x310
[  409.194900]  ? kasan_check_read+0x11/0x20
[  409.199059]  ? ___ratelimit+0x3b4/0x672
[  409.203046]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.208168]  ? trace_hardirqs_on+0x310/0x310
[  409.212597]  ? lock_downgrade+0x900/0x900
[  409.216784]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  409.221909]  ? ___ratelimit+0x3b9/0x672
[  409.225907]  ? idr_get_free+0xf70/0xf70
[  409.229910]  ? find_held_lock+0x36/0x1c0
[  409.233999]  oom_kill_process.cold.27+0x10/0x903
[  409.238784]  ? zap_class+0x640/0x640
[  409.242511]  ? check_preemption_disabled+0x48/0x280
[  409.247543]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.252488]  ? kasan_check_read+0x11/0x20
[  409.256670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.261964]  ? oom_evaluate_task+0x540/0x540
[  409.266392]  ? find_held_lock+0x36/0x1c0
[  409.270502]  ? out_of_memory+0x974/0x1430
[  409.274673]  ? lock_downgrade+0x900/0x900
[  409.278837]  ? check_preemption_disabled+0x48/0x280
[  409.283869]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.288809]  ? kasan_check_read+0x11/0x20
[  409.292966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.298252]  ? rcu_softirq_qs+0x20/0x20
[  409.302256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.307825]  ? oom_evaluate_task+0x302/0x540
[  409.312282]  out_of_memory+0xa84/0x1430
[  409.316269]  ? oom_killer_disable+0x3a0/0x3a0
[  409.320771]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  409.325715]  ? __ww_mutex_check_waiters+0x160/0x160
[  409.330766]  __alloc_pages_slowpath+0x232c/0x2de0
[  409.335692]  ? warn_alloc+0x120/0x120
[  409.339538]  ? mark_held_locks+0x130/0x130
[  409.343828]  ? find_get_entry+0xaae/0x1120
[  409.348104]  ? filemap_map_pages+0x1a20/0x1a20
[  409.352712]  ? zap_class+0x640/0x640
[  409.356475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.362047]  ? check_preemption_disabled+0x48/0x280
[  409.367096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.372683]  ? should_fail+0x22d/0xd01
[  409.376619]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.381774]  ? zap_class+0x640/0x640
[  409.385546]  ? __lock_is_held+0xb5/0x140
[  409.389651]  ? mark_held_locks+0x130/0x130
[  409.393992]  ? lock_release+0xa00/0xa00
[  409.397998]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.403492]  ? xa_load+0x2ba/0x460
[  409.407068]  ? lock_downgrade+0x900/0x900
[  409.411259]  ? __might_sleep+0x95/0x190
[  409.415277]  __alloc_pages_nodemask+0xad8/0xea0
[  409.420011]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  409.425083]  ? __page_cache_alloc+0x191/0x5c0
[  409.429604]  ? xa_load+0x2e1/0x460
[  409.433168]  ? xa_clear_mark+0x40/0x40
[  409.437122]  ? zap_class+0x640/0x640
[  409.440882]  ? zap_class+0x640/0x640
[  409.444620]  ? zap_class+0x640/0x640
[  409.448350]  ? __do_page_cache_readahead+0x663/0x810
[  409.453491]  ? find_held_lock+0x36/0x1c0
[  409.457571]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  409.463130]  alloc_pages_current+0x173/0x350
[  409.467573]  __page_cache_alloc+0x38c/0x5c0
[  409.471900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.476841]  ? kasan_check_read+0x11/0x20
[  409.481003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.486314]  ? generic_perform_write+0x6a0/0x6a0
[  409.491097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.496674]  ? check_preemption_disabled+0x48/0x280
[  409.501731]  filemap_fault+0x1595/0x25f0
[  409.505829]  ? __lock_page_or_retry+0xa00/0xa00
[  409.510516]  ? mark_held_locks+0x130/0x130
[  409.514789]  ? filemap_map_pages+0xd6b/0x1a20
[  409.519321]  ? lock_downgrade+0x900/0x900
[  409.523496]  ? check_preemption_disabled+0x48/0x280
[  409.528536]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.533480]  ? kasan_check_read+0x11/0x20
[  409.537655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.542962]  ? rcu_softirq_qs+0x20/0x20
[  409.546969]  ? filemap_map_pages+0xd92/0x1a20
[  409.551527]  ? find_get_entries_tag+0x1400/0x1400
[  409.556404]  ? debug_object_destroy+0x2b0/0x2b0
[  409.561099]  ? lock_pi_update_atomic+0x150/0x150
[  409.565874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.571453]  ? lock_acquire+0x1ed/0x520
[  409.575458]  ? ext4_filemap_fault+0x7a/0xad
[  409.579799]  ? lock_release+0xa00/0xa00
[  409.583789]  ? perf_trace_sched_process_exec+0x860/0x860
[  409.589266]  ? print_usage_bug+0xc0/0xc0
[  409.593337]  ? print_usage_bug+0xc0/0xc0
[  409.597418]  ? down_read+0x8d/0x120
[  409.601064]  ? ext4_filemap_fault+0x7a/0xad
[  409.605395]  ? __down_interruptible+0x700/0x700
[  409.610087]  ext4_filemap_fault+0x82/0xad
[  409.614260]  __do_fault+0x100/0x6b0
[  409.617902]  ? pmd_devmap_trans_unstable+0x220/0x220
[  409.623032]  ? mark_held_locks+0x130/0x130
[  409.627274]  ? mark_held_locks+0x130/0x130
[  409.631523]  ? __might_fault+0x12b/0x1e0
[  409.635606]  ? lock_downgrade+0x900/0x900
[  409.639784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.645349]  __handle_mm_fault+0x3ea0/0x5be0
[  409.649789]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  409.654659]  ? _copy_to_user+0xc8/0x110
[  409.658709]  ? zap_class+0x640/0x640
[  409.662459]  ? zap_class+0x640/0x640
[  409.666210]  ? __x64_sys_futex+0x53e/0x6a0
[  409.670476]  ? find_held_lock+0x36/0x1c0
[  409.674568]  ? handle_mm_fault+0x42a/0xc70
[  409.678840]  ? lock_downgrade+0x900/0x900
[  409.683039]  ? check_preemption_disabled+0x48/0x280
[  409.688119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  409.693096]  ? kasan_check_read+0x11/0x20
[  409.697261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.702550]  ? rcu_softirq_qs+0x20/0x20
[  409.706570]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.711716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.717298]  ? check_preemption_disabled+0x48/0x280
[  409.722355]  handle_mm_fault+0x54f/0xc70
[  409.726477]  ? __handle_mm_fault+0x5be0/0x5be0
[  409.731118]  ? find_vma+0x34/0x190
[  409.734722]  __do_page_fault+0x5e8/0xe60
[  409.738806]  ? trace_hardirqs_off+0xb8/0x310
[  409.743759]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.749332]  do_page_fault+0xf2/0x7e0
[  409.753149]  ? vmalloc_sync_all+0x30/0x30
[  409.757315]  ? error_entry+0x70/0xd0
[  409.761047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.766094]  ? trace_hardirqs_on_caller+0xc0/0x310
[  409.771037]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.775978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.780837]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.785859]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.791322]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.796349]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.801370]  ? page_fault+0x8/0x30
[  409.804921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.809780]  ? page_fault+0x8/0x30
[  409.813324]  page_fault+0x1e/0x30
[  409.816782] RIP: 0033:0x45ddf3
[  409.819990] Code: Bad RIP value.
[  409.823356] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  409.828724] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  409.836042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  409.843319] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  409.850610] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  409.857897] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  409.865203] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  409.865267] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.872328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.872350] Workqueue: events kernfs_notify_workfn
[  409.872373] Call Trace:
[  409.872399]  <IRQ>
[  409.878989] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.888300]  dump_stack+0x244/0x39d
[  409.893219] syz-fuzzer cpuset=/ mems_allowed=0
[  409.895819]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.921620]  warn_alloc.cold.116+0xb7/0x1bd
[  409.925968]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.930821]  ? lock_downgrade+0x900/0x900
[  409.934986]  ? trace_hardirqs_off+0xb8/0x310
[  409.939409]  ? trace_hardirqs_off+0xb8/0x310
[  409.943831]  __alloc_pages_slowpath+0x2651/0x2de0
[  409.948713]  ? warn_alloc+0x120/0x120
[  409.952521]  ? print_usage_bug+0xc0/0xc0
[  409.956596]  ? warn_alloc+0x120/0x120
[  409.960405]  ? warn_alloc+0x120/0x120
[  409.964212]  ? print_usage_bug+0xc0/0xc0
[  409.968279]  ? kvm_clock_read+0x18/0x30
[  409.972256]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.977279]  ? print_usage_bug+0xc0/0xc0
[  409.981346]  ? __lock_acquire+0x62f/0x4c20
[  409.985589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.991141]  ? should_fail+0x22d/0xd01
[  409.995034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.000351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.005466]  ? __lock_acquire+0x62f/0x4c20
[  410.009726]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.014838]  ? __lock_acquire+0x62f/0x4c20
[  410.019086]  ? should_fail+0x22d/0xd01
[  410.022976]  ? rcu_irq_exit+0x1a2/0x390
[  410.026968]  ? mark_held_locks+0x130/0x130
[  410.031234]  ? mark_held_locks+0x130/0x130
[  410.035481]  ? mark_held_locks+0xc7/0x130
[  410.039657]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  410.044711]  ? zap_class+0x640/0x640
[  410.048434]  ? print_usage_bug+0xc0/0xc0
[  410.052510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.058060]  ? check_preemption_disabled+0x48/0x280
[  410.063109]  ? __lock_is_held+0xb5/0x140
[  410.067194]  __alloc_pages_nodemask+0xad8/0xea0
[  410.071905]  ? zap_class+0x640/0x640
[  410.075650]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  410.080729]  ? find_held_lock+0x36/0x1c0
[  410.084834]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.089517]  ? lock_downgrade+0x900/0x900
[  410.093696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.099277]  cache_grow_begin+0xa5/0x8c0
[  410.103379]  ? do_raw_spin_unlock+0xa7/0x330
[  410.107833]  fallback_alloc+0x204/0x2e0
[  410.111835]  ____cache_alloc_node+0x1c7/0x1e0
[  410.116345]  kmem_cache_alloc_node+0xe3/0x730
[  410.120846]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.125099]  __alloc_skb+0x119/0x770
[  410.128851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.134158]  ? netdev_alloc_frag+0x1f0/0x1f0
[  410.138589]  ? lock_downgrade+0x900/0x900
[  410.142781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.148361]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.153855]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.159326]  ? addrconf_rs_timer+0x690/0x690
[  410.163763]  ndisc_alloc_skb+0x144/0x340
[  410.167849]  ndisc_send_rs+0x331/0x6e0
[  410.171760]  addrconf_rs_timer+0x314/0x690
[  410.176023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.180313]  call_timer_fn+0x272/0x920
[  410.184219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.188468]  ? process_timeout+0x40/0x40
[  410.192550]  ? mark_held_locks+0xc7/0x130
[  410.196716]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.201228]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.205761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.210020]  ? lockdep_hardirqs_on+0x296/0x5b0
[  410.214626]  ? trace_hardirqs_on+0xbd/0x310
[  410.218965]  ? kasan_check_read+0x11/0x20
[  410.223124]  ? __run_timers+0x7da/0xc70
[  410.227105]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.232235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.236484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.240722]  __run_timers+0x7e5/0xc70
[  410.244540]  ? timer_fixup_init+0x70/0x70
[  410.248717]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.253755]  ? zap_class+0x640/0x640
[  410.257481]  ? print_usage_bug+0xc0/0xc0
[  410.261549]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.266810]  ? find_held_lock+0x36/0x1c0
[  410.270915]  ? zap_class+0x640/0x640
[  410.274670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.280241]  ? check_preemption_disabled+0x48/0x280
[  410.285299]  ? __lock_is_held+0xb5/0x140
[  410.289390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.294971]  ? check_preemption_disabled+0x48/0x280
[  410.300025]  run_timer_softirq+0x52/0xb0
[  410.304148]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.309197]  __do_softirq+0x308/0xb7e
[  410.313036]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.317569]  ? lock_downgrade+0x900/0x900
[  410.321751]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.326897]  ? pvclock_read_flags+0x160/0x160
[  410.331431]  ? lapic_next_event+0x5a/0x90
[  410.335612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.341185]  ? kvm_clock_read+0x18/0x30
[  410.345175]  ? kvm_sched_clock_read+0x9/0x20
[  410.349597]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.355149]  ? check_preemption_disabled+0x48/0x280
[  410.360182]  irq_exit+0x17f/0x1c0
[  410.363657]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.368536]  ? smp_reschedule_interrupt+0x109/0x650
[  410.373584]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.379515]  ? interrupt_entry+0xb5/0xc0
[  410.383606]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.388647]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.393713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.398589]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.403653]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.408725]  ? task_prio+0x50/0x50
[  410.412287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.417871]  ? check_preemption_disabled+0x48/0x280
[  410.422937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.427821]  apic_timer_interrupt+0xf/0x20
[  410.432085]  </IRQ>
[  410.434354] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  410.439036] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  410.457957] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.465692] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  410.473778] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  410.481082] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  410.488366] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  410.495747] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  410.503092]  ? mark_held_locks+0x130/0x130
[  410.507352]  ? kernfs_notify_workfn+0xf0/0x440
[  410.511983]  ? mark_held_locks+0x130/0x130
[  410.516242]  ? set_next_entity+0x493/0xc70
[  410.520505]  ? mutex_trylock+0x2b0/0x2b0
[  410.524605]  ? update_load_avg+0x2470/0x2470
[  410.529063]  ? zap_class+0x640/0x640
[  410.532836]  ? zap_class+0x640/0x640
[  410.536580]  ? print_usage_bug+0xc0/0xc0
[  410.540682]  ? find_held_lock+0x36/0x1c0
[  410.544778]  ? mark_held_locks+0xc7/0x130
[  410.548943]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.553442]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.557997]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.562615]  ? trace_hardirqs_on+0xbd/0x310
[  410.566969]  ? kasan_check_read+0x11/0x20
[  410.571158]  ? kernfs_notify_workfn+0xe2/0x440
[  410.575817]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.580971]  mutex_lock_nested+0x16/0x20
[  410.585055]  ? _raw_spin_unlock_irq+0x60/0x80
[  410.589590]  ? mutex_lock_nested+0x16/0x20
[  410.593852]  kernfs_notify_workfn+0xf0/0x440
[  410.598295]  process_one_work+0xc90/0x1c40
[  410.602560]  ? mark_held_locks+0x130/0x130
[  410.606844]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  410.612025]  ? __switch_to_asm+0x40/0x70
[  410.616107]  ? __switch_to_asm+0x34/0x70
[  410.620189]  ? __switch_to_asm+0x40/0x70
[  410.624273]  ? __switch_to_asm+0x34/0x70
[  410.628354]  ? __switch_to_asm+0x40/0x70
[  410.632450]  ? __switch_to_asm+0x34/0x70
[  410.636522]  ? __switch_to_asm+0x40/0x70
[  410.640594]  ? __switch_to_asm+0x34/0x70
[  410.644655]  ? __switch_to_asm+0x40/0x70
[  410.648752]  ? __schedule+0x8d7/0x21d0
[  410.652684]  ? lock_downgrade+0x900/0x900
[  410.656841]  ? zap_class+0x640/0x640
[  410.660557]  ? zap_class+0x640/0x640
[  410.664295]  ? find_held_lock+0x36/0x1c0
[  410.668377]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.673000]  ? lock_acquire+0x1ed/0x520
[  410.677012]  ? worker_thread+0x3e0/0x1390
[  410.681209]  ? kasan_check_read+0x11/0x20
[  410.685380]  ? do_raw_spin_lock+0x14f/0x350
[  410.689731]  ? kasan_check_read+0x11/0x20
[  410.693907]  ? rwlock_bug.part.2+0x90/0x90
[  410.698183]  ? trace_hardirqs_on+0x310/0x310
[  410.702628]  worker_thread+0x17f/0x1390
[  410.706629]  ? __switch_to_asm+0x34/0x70
[  410.710750]  ? process_one_work+0x1c40/0x1c40
[  410.715280]  ? zap_class+0x640/0x640
[  410.719041]  ? __kthread_parkme+0xce/0x1a0
[  410.723304]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.728435]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.733579]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.738214]  ? trace_hardirqs_on+0xbd/0x310
[  410.742553]  ? kasan_check_read+0x11/0x20
[  410.746719]  ? __kthread_parkme+0xce/0x1a0
[  410.750962]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.756077]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.761196]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.766343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.771965]  ? __kthread_parkme+0xfb/0x1a0
[  410.776217]  ? process_one_work+0x1c40/0x1c40
[  410.780718]  kthread+0x35a/0x440
[  410.784106]  ? kthread_stop+0x900/0x900
[  410.788086]  ret_from_fork+0x3a/0x50
[  410.791818] warn_alloc_show_mem: 1 callbacks suppressed
[  410.791829] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  410.791831] Mem-Info:
[  410.791863] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  410.791863]  active_file:9 inactive_file:10 isolated_file:8
[  410.791863]  unevictable:0 dirty:0 writeback:0 unstable:0
[  410.791863]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  410.791863]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  410.791863]  free:13786 free_pcp:282 free_cma:0
[  410.797202] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.797212] Call Trace:
[  410.804248] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  410.806652]  <IRQ>
[  410.839634] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  410.849008]  dump_stack+0x244/0x39d
[  410.851560] lowmem_reserve[]: 0 2818 6321 6321
[  410.879434]  ? dump_stack_print_info.cold.1+0x20/0x20
[  410.881570] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  410.907696]  warn_alloc.cold.116+0xb7/0x1bd
[  410.911307] lowmem_reserve[]: 0 0 3503 3503
[  410.915885]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.921066] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  410.948421]  ? lock_downgrade+0x900/0x900
[  410.952752] lowmem_reserve[]: 0 0 0 0
[  410.957073]  ? trace_hardirqs_off+0xb8/0x310
[  410.961893] 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
[  410.990854]  ? trace_hardirqs_off+0xb8/0x310
[  410.994983] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  410.998792]  __alloc_pages_slowpath+0x2651/0x2de0
[  411.003169] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  411.016730]  ? warn_alloc+0x120/0x120
[  411.021107] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.036301]  ? print_usage_bug+0xc0/0xc0
[  411.041137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.056146]  ? warn_alloc+0x120/0x120
[  411.059920] 4366 total pagecache pages
[  411.068771]  ? warn_alloc+0x120/0x120
[  411.072859] 0 pages in swap cache
[  411.081489]  ? print_usage_bug+0xc0/0xc0
[  411.085276] Swap cache stats: add 0, delete 0, find 0/0
[  411.089160]  ? print_usage_bug+0xc0/0xc0
[  411.092948] Free swap  = 0kB
[  411.096401]  ? __lock_acquire+0x62f/0x4c20
[  411.100437] Total swap = 0kB
[  411.105806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.109848] 1965979 pages RAM
[  411.112864]  ? should_fail+0x22d/0xd01
[  411.117070] 0 pages HighMem/MovableOnly
[  411.120091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.125601] 342854 pages reserved
[  411.128711]  ? __lock_acquire+0x62f/0x4c20
[  411.132566] 0 pages cma reserved
[  411.132640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.136546]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.141760] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.145067]  ? __lock_acquire+0x62f/0x4c20
[  411.149273] kworker/0:2 cpuset=/ mems_allowed=0
[  411.152650]  ? should_fail+0x22d/0xd01
[  411.187439]  ? find_held_lock+0x36/0x1c0
[  411.191536]  ? mark_held_locks+0x130/0x130
[  411.195802]  ? mark_held_locks+0x130/0x130
[  411.200059]  ? zap_class+0x640/0x640
[  411.203782]  ? zap_class+0x640/0x640
[  411.207505]  ? print_usage_bug+0xc0/0xc0
[  411.211645]  ? do_raw_spin_unlock+0xa7/0x330
[  411.216100]  ? zap_class+0x640/0x640
[  411.219854]  ? print_usage_bug+0xc0/0xc0
[  411.223934]  ? wq_watchdog_touch+0x9c/0xfe
[  411.228187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.233736]  ? check_preemption_disabled+0x48/0x280
[  411.238810]  ? __lock_is_held+0xb5/0x140
[  411.242895]  __alloc_pages_nodemask+0xad8/0xea0
[  411.247569]  ? zap_class+0x640/0x640
[  411.251346]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  411.256432]  ? find_held_lock+0x36/0x1c0
[  411.260530]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.265219]  ? lock_downgrade+0x900/0x900
[  411.269393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.274968]  cache_grow_begin+0xa5/0x8c0
[  411.279057]  ? do_raw_spin_unlock+0xa7/0x330
[  411.283495]  fallback_alloc+0x204/0x2e0
[  411.287481]  ____cache_alloc_node+0x1c7/0x1e0
[  411.291987]  kmem_cache_alloc_node+0xe3/0x730
[  411.296493]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.300755]  __alloc_skb+0x119/0x770
[  411.304472]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.309763]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.314183]  ? lock_downgrade+0x900/0x900
[  411.318348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.323925]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.329395]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.334871]  ? addrconf_rs_timer+0x690/0x690
[  411.339295]  ndisc_alloc_skb+0x144/0x340
[  411.343371]  ndisc_send_rs+0x331/0x6e0
[  411.347275]  addrconf_rs_timer+0x314/0x690
[  411.351524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.355775]  call_timer_fn+0x272/0x920
[  411.359686]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.363926]  ? process_timeout+0x40/0x40
[  411.368005]  ? mark_held_locks+0xc7/0x130
[  411.372178]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.376683]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.381188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.385437]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.390027]  ? trace_hardirqs_on+0xbd/0x310
[  411.394353]  ? kasan_check_read+0x11/0x20
[  411.398506]  ? __run_timers+0x7da/0xc70
[  411.402511]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.407648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.411923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.416166]  __run_timers+0x7e5/0xc70
[  411.419982]  ? timer_fixup_init+0x70/0x70
[  411.424178]  ? kasan_check_read+0x11/0x20
[  411.428329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.433623]  ? rcu_softirq_qs+0x20/0x20
[  411.437608]  ? mark_held_locks+0xc7/0x130
[  411.441764]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  411.446535]  ? retint_kernel+0x2d/0x2d
[  411.450451]  ? trace_hardirqs_on_caller+0xc0/0x310
[  411.455385]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  411.460147]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.465605]  ? zap_class+0x640/0x640
[  411.469334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.474882]  ? check_preemption_disabled+0x48/0x280
[  411.479916]  ? __lock_is_held+0xb5/0x140
[  411.483986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.489540]  ? check_preemption_disabled+0x48/0x280
[  411.494584]  run_timer_softirq+0x52/0xb0
[  411.498658]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.503728]  __do_softirq+0x308/0xb7e
[  411.507568]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.512118]  ? lock_downgrade+0x900/0x900
[  411.516294]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.521434]  ? pvclock_read_flags+0x160/0x160
[  411.525960]  ? lapic_next_event+0x5a/0x90
[  411.530148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.535716]  ? kvm_clock_read+0x18/0x30
[  411.539707]  ? kvm_sched_clock_read+0x9/0x20
[  411.544129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.549697]  ? check_preemption_disabled+0x48/0x280
[  411.554751]  irq_exit+0x17f/0x1c0
[  411.558230]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.563103]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.569010]  ? interrupt_entry+0xb5/0xc0
[  411.573081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.578099]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.583120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.587966]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.593012]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.598049]  ? task_prio+0x50/0x50
[  411.601629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.607201]  ? check_preemption_disabled+0x48/0x280
[  411.612230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.617085]  apic_timer_interrupt+0xf/0x20
[  411.621314]  </IRQ>
[  411.623564] RIP: 0010:dump_stack+0x358/0x39d
[  411.627974] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  411.646885] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  411.654613] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  411.661881] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  411.669166] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  411.676441] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  411.683735] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  411.691043]  ? dump_stack+0x34f/0x39d
[  411.694856]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.700049]  ? mark_held_locks+0x130/0x130
[  411.704289]  ? mark_held_locks+0x130/0x130
[  411.708530]  dump_header+0x27b/0xf72
[  411.712256]  ? pagefault_out_of_memory+0x197/0x197
[  411.717208]  ? __lock_acquire+0x62f/0x4c20
[  411.721491]  ? percpu_ref_get_many+0x240/0x240
[  411.726095]  ? print_usage_bug+0xc0/0xc0
[  411.730193]  ? zap_class+0x640/0x640
[  411.733954]  ? print_usage_bug+0xc0/0xc0
[  411.738019]  ? print_usage_bug+0xc0/0xc0
[  411.742546]  ? zap_class+0x640/0x640
[  411.746267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.751816]  ? find_held_lock+0x36/0x1c0
[  411.755891]  ? mark_held_locks+0xc7/0x130
[  411.760050]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.765163]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.770275]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  411.774861]  ? trace_hardirqs_on+0xbd/0x310
[  411.779184]  ? kasan_check_read+0x11/0x20
[  411.783338]  ? ___ratelimit+0x3b4/0x672
[  411.787338]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.792453]  ? trace_hardirqs_on+0x310/0x310
[  411.796866]  ? lock_downgrade+0x900/0x900
[  411.801054]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.806168]  ? ___ratelimit+0x3b9/0x672
[  411.810150]  ? idr_get_free+0xf70/0xf70
[  411.814135]  ? find_held_lock+0x36/0x1c0
[  411.818217]  oom_kill_process.cold.27+0x10/0x903
[  411.823017]  ? zap_class+0x640/0x640
[  411.826738]  ? check_preemption_disabled+0x48/0x280
[  411.831760]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.836714]  ? kasan_check_read+0x11/0x20
[  411.840858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.846164]  ? oom_evaluate_task+0x540/0x540
[  411.850584]  ? find_held_lock+0x36/0x1c0
[  411.854652]  ? out_of_memory+0x974/0x1430
[  411.858811]  ? lock_downgrade+0x900/0x900
[  411.862965]  ? check_preemption_disabled+0x48/0x280
[  411.867988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  411.872917]  ? kasan_check_read+0x11/0x20
[  411.877063]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  411.882340]  ? rcu_softirq_qs+0x20/0x20
[  411.886321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.891856]  ? oom_evaluate_task+0x302/0x540
[  411.896262]  out_of_memory+0xa84/0x1430
[  411.900253]  ? oom_killer_disable+0x3a0/0x3a0
[  411.904760]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  411.909695]  ? __ww_mutex_check_waiters+0x160/0x160
[  411.914742]  __alloc_pages_slowpath+0x232c/0x2de0
[  411.919636]  ? warn_alloc+0x120/0x120
[  411.923455]  ? mark_held_locks+0x130/0x130
[  411.927722]  ? find_get_entry+0xaae/0x1120
[  411.931980]  ? filemap_map_pages+0x1a20/0x1a20
[  411.936561]  ? zap_class+0x640/0x640
[  411.940277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.945814]  ? check_preemption_disabled+0x48/0x280
[  411.950830]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.956370]  ? should_fail+0x22d/0xd01
[  411.960262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.965367]  ? zap_class+0x640/0x640
[  411.969106]  ? __lock_is_held+0xb5/0x140
[  411.973176]  ? mark_held_locks+0x130/0x130
[  411.977419]  ? lock_release+0xa00/0xa00
[  411.981421]  ? perf_trace_sched_process_exec+0x860/0x860
[  411.986899]  ? xa_load+0x2ba/0x460
[  411.990446]  ? lock_downgrade+0x900/0x900
[  411.994599]  ? __might_sleep+0x95/0x190
[  411.998584]  __alloc_pages_nodemask+0xad8/0xea0
[  412.003267]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  412.008306]  ? __page_cache_alloc+0x191/0x5c0
[  412.012812]  ? xa_load+0x2e1/0x460
[  412.016370]  ? xa_clear_mark+0x40/0x40
[  412.020281]  ? zap_class+0x640/0x640
[  412.024018]  ? zap_class+0x640/0x640
[  412.027797]  ? zap_class+0x640/0x640
[  412.031536]  ? __do_page_cache_readahead+0x663/0x810
[  412.036677]  ? find_held_lock+0x36/0x1c0
[  412.040755]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  412.046317]  alloc_pages_current+0x173/0x350
[  412.050749]  __page_cache_alloc+0x38c/0x5c0
[  412.055118]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.060043]  ? kasan_check_read+0x11/0x20
[  412.064397]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.069685]  ? generic_perform_write+0x6a0/0x6a0
[  412.074441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.079999]  ? check_preemption_disabled+0x48/0x280
[  412.085027]  filemap_fault+0x1595/0x25f0
[  412.089131]  ? __lock_page_or_retry+0xa00/0xa00
[  412.093838]  ? mark_held_locks+0x130/0x130
[  412.098090]  ? filemap_map_pages+0xd6b/0x1a20
[  412.102589]  ? lock_downgrade+0x900/0x900
[  412.106740]  ? check_preemption_disabled+0x48/0x280
[  412.111763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.116694]  ? kasan_check_read+0x11/0x20
[  412.120839]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.126115]  ? rcu_softirq_qs+0x20/0x20
[  412.130125]  ? filemap_map_pages+0xd92/0x1a20
[  412.134669]  ? find_get_entries_tag+0x1400/0x1400
[  412.139518]  ? debug_object_destroy+0x2b0/0x2b0
[  412.144190]  ? lock_pi_update_atomic+0x150/0x150
[  412.148950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.154515]  ? lock_acquire+0x1ed/0x520
[  412.158497]  ? ext4_filemap_fault+0x7a/0xad
[  412.162836]  ? lock_release+0xa00/0xa00
[  412.166814]  ? perf_trace_sched_process_exec+0x860/0x860
[  412.172284]  ? print_usage_bug+0xc0/0xc0
[  412.176355]  ? print_usage_bug+0xc0/0xc0
[  412.180435]  ? down_read+0x8d/0x120
[  412.184058]  ? ext4_filemap_fault+0x7a/0xad
[  412.188402]  ? __down_interruptible+0x700/0x700
[  412.193086]  ext4_filemap_fault+0x82/0xad
[  412.197240]  __do_fault+0x100/0x6b0
[  412.200878]  ? pmd_devmap_trans_unstable+0x220/0x220
[  412.205982]  ? mark_held_locks+0x130/0x130
[  412.210229]  ? mark_held_locks+0x130/0x130
[  412.214463]  ? __might_fault+0x12b/0x1e0
[  412.218523]  ? lock_downgrade+0x900/0x900
[  412.222681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.228222]  __handle_mm_fault+0x3ea0/0x5be0
[  412.232677]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  412.237534]  ? _copy_to_user+0xc8/0x110
[  412.241533]  ? zap_class+0x640/0x640
[  412.245244]  ? zap_class+0x640/0x640
[  412.248986]  ? __x64_sys_futex+0x53e/0x6a0
[  412.253238]  ? find_held_lock+0x36/0x1c0
[  412.257335]  ? handle_mm_fault+0x42a/0xc70
[  412.261564]  ? lock_downgrade+0x900/0x900
[  412.265711]  ? check_preemption_disabled+0x48/0x280
[  412.270735]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  412.275707]  ? kasan_check_read+0x11/0x20
[  412.279852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.285122]  ? rcu_softirq_qs+0x20/0x20
[  412.289089]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.294192]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.299741]  ? check_preemption_disabled+0x48/0x280
[  412.304815]  handle_mm_fault+0x54f/0xc70
[  412.308916]  ? __handle_mm_fault+0x5be0/0x5be0
[  412.313522]  ? find_vma+0x34/0x190
[  412.317119]  __do_page_fault+0x5e8/0xe60
[  412.321183]  ? trace_hardirqs_off+0xb8/0x310
[  412.325609]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.331152]  do_page_fault+0xf2/0x7e0
[  412.334975]  ? vmalloc_sync_all+0x30/0x30
[  412.339138]  ? error_entry+0x70/0xd0
[  412.342849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.347861]  ? trace_hardirqs_on_caller+0xc0/0x310
[  412.352789]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.357717]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.362558]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.367568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.373032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  412.378044]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.383059]  ? page_fault+0x8/0x30
[  412.386601]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.391455]  ? page_fault+0x8/0x30
[  412.394992]  page_fault+0x1e/0x30
[  412.398456] RIP: 0033:0x45ddf3
[  412.401680] Code: Bad RIP value.
[  412.405040] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  412.410415] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  412.417693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  412.424987] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  412.432270] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  412.439533] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  412.446818] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  412.446880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.453953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.453969] Workqueue: events kernfs_notify_workfn
[  412.453976] Call Trace:
[  412.453982]  <IRQ>
[  412.453999]  dump_stack+0x244/0x39d
[  412.460548] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.469818]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.474718] syz-fuzzer cpuset=/ mems_allowed=0
[  412.477312]  warn_alloc.cold.116+0xb7/0x1bd
[  412.507299]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.512146]  ? lock_downgrade+0x900/0x900
[  412.516298]  ? trace_hardirqs_off+0xb8/0x310
[  412.520759]  ? trace_hardirqs_off+0xb8/0x310
[  412.525173]  __alloc_pages_slowpath+0x2651/0x2de0
[  412.530044]  ? warn_alloc+0x120/0x120
[  412.533841]  ? print_usage_bug+0xc0/0xc0
[  412.537902]  ? warn_alloc+0x120/0x120
[  412.541763]  ? warn_alloc+0x120/0x120
[  412.545560]  ? print_usage_bug+0xc0/0xc0
[  412.549644]  ? kvm_clock_read+0x18/0x30
[  412.553620]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.558634]  ? print_usage_bug+0xc0/0xc0
[  412.562752]  ? __lock_acquire+0x62f/0x4c20
[  412.566994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.572537]  ? should_fail+0x22d/0xd01
[  412.576422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.581700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.586820]  ? __lock_acquire+0x62f/0x4c20
[  412.591077]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.596192]  ? __lock_acquire+0x62f/0x4c20
[  412.600423]  ? should_fail+0x22d/0xd01
[  412.604316]  ? rcu_irq_exit+0x1a2/0x390
[  412.608302]  ? mark_held_locks+0x130/0x130
[  412.612787]  ? mark_held_locks+0x130/0x130
[  412.617026]  ? mark_held_locks+0xc7/0x130
[  412.621199]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.626217]  ? zap_class+0x640/0x640
[  412.629940]  ? print_usage_bug+0xc0/0xc0
[  412.634009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.639549]  ? check_preemption_disabled+0x48/0x280
[  412.644587]  ? __lock_is_held+0xb5/0x140
[  412.648679]  __alloc_pages_nodemask+0xad8/0xea0
[  412.653372]  ? zap_class+0x640/0x640
[  412.657090]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  412.662134]  ? find_held_lock+0x36/0x1c0
[  412.666210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.670881]  ? lock_downgrade+0x900/0x900
[  412.675058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.680600]  cache_grow_begin+0xa5/0x8c0
[  412.684659]  ? do_raw_spin_unlock+0xa7/0x330
[  412.689089]  fallback_alloc+0x204/0x2e0
[  412.693103]  ____cache_alloc_node+0x1c7/0x1e0
[  412.697649]  kmem_cache_alloc_node+0xe3/0x730
[  412.702153]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.706399]  __alloc_skb+0x119/0x770
[  412.710127]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.715423]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.719831]  ? lock_downgrade+0x900/0x900
[  412.723998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.729541]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.734997]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.740465]  ? addrconf_rs_timer+0x690/0x690
[  412.744903]  ndisc_alloc_skb+0x144/0x340
[  412.748972]  ndisc_send_rs+0x331/0x6e0
[  412.752859]  addrconf_rs_timer+0x314/0x690
[  412.757093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.761337]  call_timer_fn+0x272/0x920
[  412.765227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.769480]  ? process_timeout+0x40/0x40
[  412.773566]  ? mark_held_locks+0xc7/0x130
[  412.777713]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.782223]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.786715]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.790960]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.795539]  ? trace_hardirqs_on+0xbd/0x310
[  412.799948]  ? kasan_check_read+0x11/0x20
[  412.804093]  ? __run_timers+0x7da/0xc70
[  412.808067]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.813184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.817448]  __run_timers+0x7e5/0xc70
[  412.821262]  ? timer_fixup_init+0x70/0x70
[  412.825416]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.830437]  ? zap_class+0x640/0x640
[  412.834156]  ? print_usage_bug+0xc0/0xc0
[  412.838222]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.843427]  ? find_held_lock+0x36/0x1c0
[  412.847511]  ? zap_class+0x640/0x640
[  412.851232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.856779]  ? check_preemption_disabled+0x48/0x280
[  412.861806]  ? __lock_is_held+0xb5/0x140
[  412.865873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.871427]  ? check_preemption_disabled+0x48/0x280
[  412.876483]  run_timer_softirq+0x52/0xb0
[  412.880580]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.885603]  __do_softirq+0x308/0xb7e
[  412.889410]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.893913]  ? lock_downgrade+0x900/0x900
[  412.898094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.903240]  ? pvclock_read_flags+0x160/0x160
[  412.907752]  ? lapic_next_event+0x5a/0x90
[  412.911907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.917458]  ? kvm_clock_read+0x18/0x30
[  412.921453]  ? kvm_sched_clock_read+0x9/0x20
[  412.925885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.931458]  ? check_preemption_disabled+0x48/0x280
[  412.936553]  irq_exit+0x17f/0x1c0
[  412.940100]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.944973]  ? smp_reschedule_interrupt+0x109/0x650
[  412.950030]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.955918]  ? interrupt_entry+0xb5/0xc0
[  412.959997]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.965016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.970037]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.974888]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.979908]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.984948]  ? task_prio+0x50/0x50
[  412.988520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.994063]  ? check_preemption_disabled+0x48/0x280
[  412.999102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.003960]  apic_timer_interrupt+0xf/0x20
[  413.008192]  </IRQ>
[  413.010439] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  413.015141] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  413.034053] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.041768] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  413.049037] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  413.056319] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  413.063591] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  413.070870] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  413.078189]  ? mark_held_locks+0x130/0x130
[  413.082425]  ? kernfs_notify_workfn+0xf0/0x440
[  413.087016]  ? mark_held_locks+0x130/0x130
[  413.091255]  ? set_next_entity+0x493/0xc70
[  413.095495]  ? mutex_trylock+0x2b0/0x2b0
[  413.099557]  ? update_load_avg+0x2470/0x2470
[  413.103976]  ? zap_class+0x640/0x640
[  413.107707]  ? zap_class+0x640/0x640
[  413.111426]  ? print_usage_bug+0xc0/0xc0
[  413.115502]  ? find_held_lock+0x36/0x1c0
[  413.119585]  ? mark_held_locks+0xc7/0x130
[  413.123740]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.128234]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.132735]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.137320]  ? trace_hardirqs_on+0xbd/0x310
[  413.141657]  ? kasan_check_read+0x11/0x20
[  413.145829]  ? kernfs_notify_workfn+0xe2/0x440
[  413.150416]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.155536]  mutex_lock_nested+0x16/0x20
[  413.159697]  ? _raw_spin_unlock_irq+0x60/0x80
[  413.164295]  ? mutex_lock_nested+0x16/0x20
[  413.168569]  kernfs_notify_workfn+0xf0/0x440
[  413.172996]  process_one_work+0xc90/0x1c40
[  413.177238]  ? mark_held_locks+0x130/0x130
[  413.181485]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  413.186153]  ? __switch_to_asm+0x40/0x70
[  413.190236]  ? __switch_to_asm+0x34/0x70
[  413.194305]  ? __switch_to_asm+0x40/0x70
[  413.198363]  ? __switch_to_asm+0x34/0x70
[  413.202419]  ? __switch_to_asm+0x40/0x70
[  413.206524]  ? __switch_to_asm+0x34/0x70
[  413.210583]  ? __switch_to_asm+0x40/0x70
[  413.214641]  ? __switch_to_asm+0x34/0x70
[  413.218711]  ? __switch_to_asm+0x40/0x70
[  413.222791]  ? __schedule+0x8d7/0x21d0
[  413.226714]  ? lock_downgrade+0x900/0x900
[  413.230872]  ? zap_class+0x640/0x640
[  413.234583]  ? zap_class+0x640/0x640
[  413.238302]  ? find_held_lock+0x36/0x1c0
[  413.242367]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.246965]  ? lock_acquire+0x1ed/0x520
[  413.250940]  ? worker_thread+0x3e0/0x1390
[  413.255126]  ? kasan_check_read+0x11/0x20
[  413.259290]  ? do_raw_spin_lock+0x14f/0x350
[  413.263609]  ? kasan_check_read+0x11/0x20
[  413.267761]  ? rwlock_bug.part.2+0x90/0x90
[  413.272011]  ? trace_hardirqs_on+0x310/0x310
[  413.276433]  worker_thread+0x17f/0x1390
[  413.280406]  ? __switch_to_asm+0x34/0x70
[  413.284480]  ? process_one_work+0x1c40/0x1c40
[  413.288999]  ? zap_class+0x640/0x640
[  413.292756]  ? __kthread_parkme+0xce/0x1a0
[  413.296995]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.302109]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.307215]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.311795]  ? trace_hardirqs_on+0xbd/0x310
[  413.316111]  ? kasan_check_read+0x11/0x20
[  413.320257]  ? __kthread_parkme+0xce/0x1a0
[  413.324503]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.329618]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.334729]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.339947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.345498]  ? __kthread_parkme+0xfb/0x1a0
[  413.349730]  ? process_one_work+0x1c40/0x1c40
[  413.354228]  kthread+0x35a/0x440
[  413.357595]  ? kthread_stop+0x900/0x900
[  413.361571]  ret_from_fork+0x3a/0x50
[  413.365299] warn_alloc_show_mem: 1 callbacks suppressed
[  413.365310] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  413.365312] Mem-Info:
[  413.365341] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  413.365341]  active_file:9 inactive_file:10 isolated_file:8
[  413.365341]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.365341]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  413.365341]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  413.365341]  free:13786 free_pcp:282 free_cma:0
[  413.370688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.377707] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.380104] Call Trace:
[  413.413082] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  413.422443]  <IRQ>
[  413.450299] lowmem_reserve[]: 0 2818 6321 6321
[  413.452948]  dump_stack+0x244/0x39d
[  413.479058] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  413.481263]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.485816] lowmem_reserve[]: 0 0 3503 3503
[  413.489459]  warn_alloc.cold.116+0xb7/0x1bd
[  413.516764] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  413.521955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.526243] lowmem_reserve[]: 0 0 0 0
[  413.530564]  ? lock_downgrade+0x900/0x900
[  413.559441] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  413.564287]  ? trace_hardirqs_off+0xb8/0x310
[  413.568055] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  413.572209]  ? trace_hardirqs_off+0xb8/0x310
[  413.585710] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  413.590120]  __alloc_pages_slowpath+0x2651/0x2de0
[  413.605270] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.609704]  ? warn_alloc+0x120/0x120
[  413.624679] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.624687] 4366 total pagecache pages
[  413.629529]  ? print_usage_bug+0xc0/0xc0
[  413.638344] 0 pages in swap cache
[  413.642172]  ? warn_alloc+0x120/0x120
[  413.650739] Swap cache stats: add 0, delete 0, find 0/0
[  413.654617]  ? warn_alloc+0x120/0x120
[  413.658649] Free swap  = 0kB
[  413.662113]  ? print_usage_bug+0xc0/0xc0
[  413.665902] Total swap = 0kB
[  413.671259]  ? kvm_clock_read+0x18/0x30
[  413.675045] 1965979 pages RAM
[  413.678052]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  413.682092] 0 pages HighMem/MovableOnly
[  413.685143]  ? print_usage_bug+0xc0/0xc0
[  413.689091] 342854 pages reserved
[  413.692185]  ? __lock_acquire+0x62f/0x4c20
[  413.697176] 0 pages cma reserved
[  413.701174]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.705299] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.708688]  ? should_fail+0x22d/0xd01
[  413.712985] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.716254]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.721786] kworker/0:2 cpuset=/ mems_allowed=0
[  413.728280]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.758002]  ? __lock_acquire+0x62f/0x4c20
[  413.762283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.767436]  ? __lock_acquire+0x62f/0x4c20
[  413.771692]  ? should_fail+0x22d/0xd01
[  413.775578]  ? rcu_irq_exit+0x1a2/0x390
[  413.779563]  ? mark_held_locks+0x130/0x130
[  413.783802]  ? mark_held_locks+0x130/0x130
[  413.788039]  ? mark_held_locks+0xc7/0x130
[  413.792185]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  413.797202]  ? zap_class+0x640/0x640
[  413.800930]  ? print_usage_bug+0xc0/0xc0
[  413.805023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.810578]  ? check_preemption_disabled+0x48/0x280
[  413.815604]  ? __lock_is_held+0xb5/0x140
[  413.819693]  __alloc_pages_nodemask+0xad8/0xea0
[  413.824363]  ? zap_class+0x640/0x640
[  413.828085]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  413.833130]  ? find_held_lock+0x36/0x1c0
[  413.837236]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.841906]  ? lock_downgrade+0x900/0x900
[  413.846058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.851597]  cache_grow_begin+0xa5/0x8c0
[  413.855656]  ? do_raw_spin_unlock+0xa7/0x330
[  413.860087]  fallback_alloc+0x204/0x2e0
[  413.864067]  ____cache_alloc_node+0x1c7/0x1e0
[  413.868583]  kmem_cache_alloc_node+0xe3/0x730
[  413.873079]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.877326]  __alloc_skb+0x119/0x770
[  413.881055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.886343]  ? netdev_alloc_frag+0x1f0/0x1f0
[  413.890752]  ? lock_downgrade+0x900/0x900
[  413.894907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.900452]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.905939]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.911405]  ? addrconf_rs_timer+0x690/0x690
[  413.915841]  ndisc_alloc_skb+0x144/0x340
[  413.919938]  ndisc_send_rs+0x331/0x6e0
[  413.923842]  addrconf_rs_timer+0x314/0x690
[  413.928094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.932334]  call_timer_fn+0x272/0x920
[  413.936227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.940456]  ? process_timeout+0x40/0x40
[  413.944522]  ? mark_held_locks+0xc7/0x130
[  413.948672]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.953189]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.957697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.961933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  413.966519]  ? trace_hardirqs_on+0xbd/0x310
[  413.970867]  ? kasan_check_read+0x11/0x20
[  413.975010]  ? __run_timers+0x7da/0xc70
[  413.979003]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.984110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.988348]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.992577]  __run_timers+0x7e5/0xc70
[  413.996396]  ? timer_fixup_init+0x70/0x70
[  414.000543]  ? kasan_check_read+0x11/0x20
[  414.004716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.009989]  ? rcu_softirq_qs+0x20/0x20
[  414.013970]  ? mark_held_locks+0xc7/0x130
[  414.018123]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.022880]  ? retint_kernel+0x2d/0x2d
[  414.026769]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.031699]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.036454]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.041917]  ? zap_class+0x640/0x640
[  414.045648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.051206]  ? check_preemption_disabled+0x48/0x280
[  414.056258]  ? __lock_is_held+0xb5/0x140
[  414.060337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.065879]  ? check_preemption_disabled+0x48/0x280
[  414.070900]  run_timer_softirq+0x52/0xb0
[  414.074963]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.080018]  __do_softirq+0x308/0xb7e
[  414.083823]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.088311]  ? lock_downgrade+0x900/0x900
[  414.092462]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.097572]  ? pvclock_read_flags+0x160/0x160
[  414.102078]  ? lapic_next_event+0x5a/0x90
[  414.106278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.111818]  ? kvm_clock_read+0x18/0x30
[  414.115789]  ? kvm_sched_clock_read+0x9/0x20
[  414.120212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.125773]  ? check_preemption_disabled+0x48/0x280
[  414.130793]  irq_exit+0x17f/0x1c0
[  414.134242]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.139084]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.144965]  ? interrupt_entry+0xb5/0xc0
[  414.149022]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.154030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.159042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.163899]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.168911]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.173926]  ? task_prio+0x50/0x50
[  414.177467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.183012]  ? check_preemption_disabled+0x48/0x280
[  414.188041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.192900]  apic_timer_interrupt+0xf/0x20
[  414.197139]  </IRQ>
[  414.199374] RIP: 0010:dump_stack+0x358/0x39d
[  414.203780] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  414.222688] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  414.230406] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  414.237678] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  414.244941] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  414.252234] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  414.259545] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  414.266826]  ? dump_stack+0x34f/0x39d
[  414.270636]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.275834]  ? mark_held_locks+0x130/0x130
[  414.280072]  ? mark_held_locks+0x130/0x130
[  414.284313]  dump_header+0x27b/0xf72
[  414.288040]  ? pagefault_out_of_memory+0x197/0x197
[  414.292974]  ? __lock_acquire+0x62f/0x4c20
[  414.297210]  ? percpu_ref_get_many+0x240/0x240
[  414.301802]  ? print_usage_bug+0xc0/0xc0
[  414.305872]  ? zap_class+0x640/0x640
[  414.309592]  ? print_usage_bug+0xc0/0xc0
[  414.313650]  ? print_usage_bug+0xc0/0xc0
[  414.317721]  ? zap_class+0x640/0x640
[  414.321481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.327024]  ? find_held_lock+0x36/0x1c0
[  414.331096]  ? mark_held_locks+0xc7/0x130
[  414.335248]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.340353]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.345460]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.350046]  ? trace_hardirqs_on+0xbd/0x310
[  414.354375]  ? kasan_check_read+0x11/0x20
[  414.358523]  ? ___ratelimit+0x3b4/0x672
[  414.362524]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.367625]  ? trace_hardirqs_on+0x310/0x310
[  414.372038]  ? lock_downgrade+0x900/0x900
[  414.376218]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.381324]  ? ___ratelimit+0x3b9/0x672
[  414.385305]  ? idr_get_free+0xf70/0xf70
[  414.389283]  ? find_held_lock+0x36/0x1c0
[  414.393356]  oom_kill_process.cold.27+0x10/0x903
[  414.398113]  ? zap_class+0x640/0x640
[  414.401839]  ? check_preemption_disabled+0x48/0x280
[  414.406857]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.411801]  ? kasan_check_read+0x11/0x20
[  414.415952]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.421237]  ? oom_evaluate_task+0x540/0x540
[  414.425652]  ? find_held_lock+0x36/0x1c0
[  414.429733]  ? out_of_memory+0x974/0x1430
[  414.433883]  ? lock_downgrade+0x900/0x900
[  414.438032]  ? check_preemption_disabled+0x48/0x280
[  414.443065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.447994]  ? kasan_check_read+0x11/0x20
[  414.452142]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.457422]  ? rcu_softirq_qs+0x20/0x20
[  414.461410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.466953]  ? oom_evaluate_task+0x302/0x540
[  414.471368]  out_of_memory+0xa84/0x1430
[  414.475353]  ? oom_killer_disable+0x3a0/0x3a0
[  414.479855]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  414.484793]  ? __ww_mutex_check_waiters+0x160/0x160
[  414.489822]  __alloc_pages_slowpath+0x232c/0x2de0
[  414.494714]  ? warn_alloc+0x120/0x120
[  414.498531]  ? mark_held_locks+0x130/0x130
[  414.502790]  ? find_get_entry+0xaae/0x1120
[  414.507037]  ? filemap_map_pages+0x1a20/0x1a20
[  414.511626]  ? zap_class+0x640/0x640
[  414.515374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.520914]  ? check_preemption_disabled+0x48/0x280
[  414.525935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.531474]  ? should_fail+0x22d/0xd01
[  414.535369]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.540477]  ? zap_class+0x640/0x640
[  414.544259]  ? __lock_is_held+0xb5/0x140
[  414.548328]  ? mark_held_locks+0x130/0x130
[  414.552576]  ? lock_release+0xa00/0xa00
[  414.556561]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.562020]  ? xa_load+0x2ba/0x460
[  414.565556]  ? lock_downgrade+0x900/0x900
[  414.569744]  ? __might_sleep+0x95/0x190
[  414.573721]  __alloc_pages_nodemask+0xad8/0xea0
[  414.578397]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  414.583422]  ? __page_cache_alloc+0x191/0x5c0
[  414.587945]  ? xa_load+0x2e1/0x460
[  414.591516]  ? xa_clear_mark+0x40/0x40
[  414.595403]  ? zap_class+0x640/0x640
[  414.599125]  ? zap_class+0x640/0x640
[  414.602839]  ? zap_class+0x640/0x640
[  414.606548]  ? __do_page_cache_readahead+0x663/0x810
[  414.611781]  ? find_held_lock+0x36/0x1c0
[  414.615857]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  414.621393]  alloc_pages_current+0x173/0x350
[  414.625822]  __page_cache_alloc+0x38c/0x5c0
[  414.630151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.635095]  ? kasan_check_read+0x11/0x20
[  414.639251]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.644539]  ? generic_perform_write+0x6a0/0x6a0
[  414.649321]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.654895]  ? check_preemption_disabled+0x48/0x280
[  414.659917]  filemap_fault+0x1595/0x25f0
[  414.663989]  ? __lock_page_or_retry+0xa00/0xa00
[  414.668657]  ? mark_held_locks+0x130/0x130
[  414.672907]  ? filemap_map_pages+0xd6b/0x1a20
[  414.677453]  ? lock_downgrade+0x900/0x900
[  414.681603]  ? check_preemption_disabled+0x48/0x280
[  414.686616]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.691556]  ? kasan_check_read+0x11/0x20
[  414.695699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.700974]  ? rcu_softirq_qs+0x20/0x20
[  414.704957]  ? filemap_map_pages+0xd92/0x1a20
[  414.709473]  ? find_get_entries_tag+0x1400/0x1400
[  414.714323]  ? debug_object_destroy+0x2b0/0x2b0
[  414.718994]  ? lock_pi_update_atomic+0x150/0x150
[  414.723748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.729302]  ? lock_acquire+0x1ed/0x520
[  414.733270]  ? ext4_filemap_fault+0x7a/0xad
[  414.737592]  ? lock_release+0xa00/0xa00
[  414.741557]  ? perf_trace_sched_process_exec+0x860/0x860
[  414.747009]  ? print_usage_bug+0xc0/0xc0
[  414.751069]  ? print_usage_bug+0xc0/0xc0
[  414.755161]  ? down_read+0x8d/0x120
[  414.758785]  ? ext4_filemap_fault+0x7a/0xad
[  414.763126]  ? __down_interruptible+0x700/0x700
[  414.767819]  ext4_filemap_fault+0x82/0xad
[  414.771988]  __do_fault+0x100/0x6b0
[  414.775621]  ? pmd_devmap_trans_unstable+0x220/0x220
[  414.780749]  ? mark_held_locks+0x130/0x130
[  414.784988]  ? mark_held_locks+0x130/0x130
[  414.789226]  ? __might_fault+0x12b/0x1e0
[  414.793307]  ? lock_downgrade+0x900/0x900
[  414.797460]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.803005]  __handle_mm_fault+0x3ea0/0x5be0
[  414.807512]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  414.812387]  ? _copy_to_user+0xc8/0x110
[  414.816373]  ? zap_class+0x640/0x640
[  414.820104]  ? zap_class+0x640/0x640
[  414.823818]  ? __x64_sys_futex+0x53e/0x6a0
[  414.828056]  ? find_held_lock+0x36/0x1c0
[  414.832154]  ? handle_mm_fault+0x42a/0xc70
[  414.836404]  ? lock_downgrade+0x900/0x900
[  414.840553]  ? check_preemption_disabled+0x48/0x280
[  414.845575]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  414.850503]  ? kasan_check_read+0x11/0x20
[  414.854653]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.859955]  ? rcu_softirq_qs+0x20/0x20
[  414.863928]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.869066]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.874631]  ? check_preemption_disabled+0x48/0x280
[  414.879661]  handle_mm_fault+0x54f/0xc70
[  414.883740]  ? __handle_mm_fault+0x5be0/0x5be0
[  414.888335]  ? find_vma+0x34/0x190
[  414.891877]  __do_page_fault+0x5e8/0xe60
[  414.895931]  ? trace_hardirqs_off+0xb8/0x310
[  414.900366]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.906025]  do_page_fault+0xf2/0x7e0
[  414.909823]  ? vmalloc_sync_all+0x30/0x30
[  414.913966]  ? error_entry+0x70/0xd0
[  414.917683]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.922699]  ? trace_hardirqs_on_caller+0xc0/0x310
[  414.927651]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.932608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.937451]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.942465]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.947911]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.952926]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.957968]  ? page_fault+0x8/0x30
[  414.961527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.966372]  ? page_fault+0x8/0x30
[  414.969917]  page_fault+0x1e/0x30
[  414.973369] RIP: 0033:0x45ddf3
[  414.976571] Code: Bad RIP value.
[  414.979933] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  414.985290] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  414.992559] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  414.999821] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  415.007092] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  415.014375] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  415.021675] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  415.021738] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.028774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.028790] Workqueue: events kernfs_notify_workfn
[  415.035354] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.044614] Call Trace:
[  415.049527] syz-fuzzer cpuset=/ mems_allowed=0
[  415.059733]  <IRQ>
[  415.069030]  dump_stack+0x244/0x39d
[  415.072658]  ? dump_stack_print_info.cold.1+0x20/0x20
[  415.077862]  warn_alloc.cold.116+0xb7/0x1bd
[  415.082182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.087023]  ? lock_downgrade+0x900/0x900
[  415.091196]  ? trace_hardirqs_off+0xb8/0x310
[  415.095606]  ? trace_hardirqs_off+0xb8/0x310
[  415.100015]  __alloc_pages_slowpath+0x2651/0x2de0
[  415.104894]  ? warn_alloc+0x120/0x120
[  415.108730]  ? print_usage_bug+0xc0/0xc0
[  415.112795]  ? warn_alloc+0x120/0x120
[  415.116600]  ? warn_alloc+0x120/0x120
[  415.120404]  ? print_usage_bug+0xc0/0xc0
[  415.124480]  ? kvm_clock_read+0x18/0x30
[  415.128474]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.133493]  ? print_usage_bug+0xc0/0xc0
[  415.137555]  ? __lock_acquire+0x62f/0x4c20
[  415.141793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.147332]  ? should_fail+0x22d/0xd01
[  415.151271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.156559]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.161670]  ? __lock_acquire+0x62f/0x4c20
[  415.165934]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.171063]  ? __lock_acquire+0x62f/0x4c20
[  415.175322]  ? should_fail+0x22d/0xd01
[  415.179229]  ? rcu_irq_exit+0x1a2/0x390
[  415.183244]  ? mark_held_locks+0x130/0x130
[  415.187488]  ? mark_held_locks+0x130/0x130
[  415.191735]  ? mark_held_locks+0xc7/0x130
[  415.195882]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  415.200895]  ? zap_class+0x640/0x640
[  415.204623]  ? print_usage_bug+0xc0/0xc0
[  415.208695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.214239]  ? check_preemption_disabled+0x48/0x280
[  415.219266]  ? __lock_is_held+0xb5/0x140
[  415.223337]  __alloc_pages_nodemask+0xad8/0xea0
[  415.228007]  ? zap_class+0x640/0x640
[  415.231735]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  415.236768]  ? find_held_lock+0x36/0x1c0
[  415.240838]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.245508]  ? lock_downgrade+0x900/0x900
[  415.249670]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.255224]  cache_grow_begin+0xa5/0x8c0
[  415.259279]  ? do_raw_spin_unlock+0xa7/0x330
[  415.263714]  fallback_alloc+0x204/0x2e0
[  415.267714]  ____cache_alloc_node+0x1c7/0x1e0
[  415.272244]  kmem_cache_alloc_node+0xe3/0x730
[  415.276748]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.280992]  __alloc_skb+0x119/0x770
[  415.284713]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.290001]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.294407]  ? lock_downgrade+0x900/0x900
[  415.298613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.304171]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.309617]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.315061]  ? addrconf_rs_timer+0x690/0x690
[  415.319475]  ndisc_alloc_skb+0x144/0x340
[  415.323533]  ndisc_send_rs+0x331/0x6e0
[  415.327430]  addrconf_rs_timer+0x314/0x690
[  415.331689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.335934]  call_timer_fn+0x272/0x920
[  415.339836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.344066]  ? process_timeout+0x40/0x40
[  415.348144]  ? mark_held_locks+0xc7/0x130
[  415.352299]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.356797]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.361296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.365534]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.370118]  ? trace_hardirqs_on+0xbd/0x310
[  415.374439]  ? kasan_check_read+0x11/0x20
[  415.378621]  ? __run_timers+0x7da/0xc70
[  415.382611]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.387783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.392014]  __run_timers+0x7e5/0xc70
[  415.395829]  ? timer_fixup_init+0x70/0x70
[  415.399984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.405006]  ? zap_class+0x640/0x640
[  415.408725]  ? print_usage_bug+0xc0/0xc0
[  415.412795]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.417997]  ? find_held_lock+0x36/0x1c0
[  415.422063]  ? zap_class+0x640/0x640
[  415.425816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.431371]  ? check_preemption_disabled+0x48/0x280
[  415.436417]  ? __lock_is_held+0xb5/0x140
[  415.440479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.446017]  ? check_preemption_disabled+0x48/0x280
[  415.451043]  run_timer_softirq+0x52/0xb0
[  415.455109]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.460129]  __do_softirq+0x308/0xb7e
[  415.463949]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.468448]  ? lock_downgrade+0x900/0x900
[  415.472613]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.477727]  ? pvclock_read_flags+0x160/0x160
[  415.482227]  ? lapic_next_event+0x5a/0x90
[  415.486408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.491979]  ? kvm_clock_read+0x18/0x30
[  415.495964]  ? kvm_sched_clock_read+0x9/0x20
[  415.500374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.505910]  ? check_preemption_disabled+0x48/0x280
[  415.510978]  irq_exit+0x17f/0x1c0
[  415.514455]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.519308]  ? smp_reschedule_interrupt+0x109/0x650
[  415.524318]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.530200]  ? interrupt_entry+0xb5/0xc0
[  415.534273]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.539284]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.544295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.549139]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.554150]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.559164]  ? task_prio+0x50/0x50
[  415.562701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.568233]  ? check_preemption_disabled+0x48/0x280
[  415.573253]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.578099]  apic_timer_interrupt+0xf/0x20
[  415.582320]  </IRQ>
[  415.584562] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  415.589222] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  415.608213] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.615941] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  415.623226] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  415.630489] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  415.637768] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  415.645049] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  415.652369]  ? mark_held_locks+0x130/0x130
[  415.656612]  ? kernfs_notify_workfn+0xf0/0x440
[  415.661196]  ? mark_held_locks+0x130/0x130
[  415.665428]  ? set_next_entity+0x493/0xc70
[  415.669672]  ? mutex_trylock+0x2b0/0x2b0
[  415.673735]  ? update_load_avg+0x2470/0x2470
[  415.678190]  ? zap_class+0x640/0x640
[  415.681905]  ? zap_class+0x640/0x640
[  415.685636]  ? print_usage_bug+0xc0/0xc0
[  415.689723]  ? find_held_lock+0x36/0x1c0
[  415.693790]  ? mark_held_locks+0xc7/0x130
[  415.697983]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.702487]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.707010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.711588]  ? trace_hardirqs_on+0xbd/0x310
[  415.715903]  ? kasan_check_read+0x11/0x20
[  415.720049]  ? kernfs_notify_workfn+0xe2/0x440
[  415.724630]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.729748]  mutex_lock_nested+0x16/0x20
[  415.733821]  ? _raw_spin_unlock_irq+0x60/0x80
[  415.738315]  ? mutex_lock_nested+0x16/0x20
[  415.742658]  kernfs_notify_workfn+0xf0/0x440
[  415.747097]  process_one_work+0xc90/0x1c40
[  415.751388]  ? mark_held_locks+0x130/0x130
[  415.755650]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  415.760342]  ? __switch_to_asm+0x40/0x70
[  415.764401]  ? __switch_to_asm+0x34/0x70
[  415.768475]  ? __switch_to_asm+0x40/0x70
[  415.772538]  ? __switch_to_asm+0x34/0x70
[  415.776596]  ? __switch_to_asm+0x40/0x70
[  415.780677]  ? __switch_to_asm+0x34/0x70
[  415.784738]  ? __switch_to_asm+0x40/0x70
[  415.788794]  ? __switch_to_asm+0x34/0x70
[  415.792855]  ? __switch_to_asm+0x40/0x70
[  415.796929]  ? __schedule+0x8d7/0x21d0
[  415.800831]  ? lock_downgrade+0x900/0x900
[  415.804981]  ? zap_class+0x640/0x640
[  415.808703]  ? zap_class+0x640/0x640
[  415.812427]  ? find_held_lock+0x36/0x1c0
[  415.816495]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.821116]  ? lock_acquire+0x1ed/0x520
[  415.825089]  ? worker_thread+0x3e0/0x1390
[  415.829263]  ? kasan_check_read+0x11/0x20
[  415.833425]  ? do_raw_spin_lock+0x14f/0x350
[  415.837746]  ? kasan_check_read+0x11/0x20
[  415.841892]  ? rwlock_bug.part.2+0x90/0x90
[  415.846143]  ? trace_hardirqs_on+0x310/0x310
[  415.850577]  worker_thread+0x17f/0x1390
[  415.854550]  ? __switch_to_asm+0x34/0x70
[  415.858640]  ? process_one_work+0x1c40/0x1c40
[  415.863154]  ? zap_class+0x640/0x640
[  415.866899]  ? __kthread_parkme+0xce/0x1a0
[  415.871144]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.876250]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.881355]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.885945]  ? trace_hardirqs_on+0xbd/0x310
[  415.890295]  ? kasan_check_read+0x11/0x20
[  415.894476]  ? __kthread_parkme+0xce/0x1a0
[  415.898742]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.903855]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.908965]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.914068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.919617]  ? __kthread_parkme+0xfb/0x1a0
[  415.923852]  ? process_one_work+0x1c40/0x1c40
[  415.928348]  kthread+0x35a/0x440
[  415.931715]  ? kthread_stop+0x900/0x900
[  415.935695]  ret_from_fork+0x3a/0x50
[  415.939421] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  415.939425] warn_alloc_show_mem: 1 callbacks suppressed
[  415.939434] Mem-Info:
[  415.946450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.951818] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  415.951818]  active_file:9 inactive_file:10 isolated_file:8
[  415.951818]  unevictable:0 dirty:0 writeback:0 unstable:0
[  415.951818]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  415.951818]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  415.951818]  free:13786 free_pcp:282 free_cma:0
[  415.954189] Call Trace:
[  415.963576] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  415.996504]  <IRQ>
[  415.999075] 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
[  416.026948]  dump_stack+0x244/0x39d
[  416.029071] lowmem_reserve[]: 0 2818 6321 6321
[  416.055176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.058778] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  416.063362]  warn_alloc.cold.116+0xb7/0x1bd
[  416.068521] lowmem_reserve[]: 0 0 3503 3503
[  416.095860]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.100158] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  416.104473]  ? lock_downgrade+0x900/0x900
[  416.109294] lowmem_reserve[]: 0 0 0 0
[  416.138202]  ? trace_hardirqs_off+0xb8/0x310
[  416.142343] 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
[  416.146144]  ? trace_hardirqs_off+0xb8/0x310
[  416.150526] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  416.164067]  __alloc_pages_slowpath+0x2651/0x2de0
[  416.168447] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  416.183648]  ? warn_alloc+0x120/0x120
[  416.188455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.203448]  ? print_usage_bug+0xc0/0xc0
[  416.207232] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.216058]  ? warn_alloc+0x120/0x120
[  416.220095] 4366 total pagecache pages
[  416.228681]  ? warn_alloc+0x120/0x120
[  416.232480] 0 pages in swap cache
[  416.236357]  ? print_usage_bug+0xc0/0xc0
[  416.240139] Swap cache stats: add 0, delete 0, find 0/0
[  416.243596]  ? kvm_clock_read+0x18/0x30
[  416.247634] Free swap  = 0kB
[  416.252993]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.256947] Total swap = 0kB
[  416.259966]  ? print_usage_bug+0xc0/0xc0
[  416.264960] 1965979 pages RAM
[  416.267976]  ? __lock_acquire+0x62f/0x4c20
[  416.272014] 0 pages HighMem/MovableOnly
[  416.275118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.279327] 342854 pages reserved
[  416.283299]  ? should_fail+0x22d/0xd01
[  416.288809] 0 pages cma reserved
[  416.292256]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.296183] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  416.299478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.299494]  ? __lock_acquire+0x62f/0x4c20
[  416.299512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.304827] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  416.311256]  ? __lock_acquire+0x62f/0x4c20
[  416.316335] kworker/0:2 cpuset=/ mems_allowed=0
[  416.320571]  ? should_fail+0x22d/0xd01
[  416.348813]  ? rcu_irq_exit+0x1a2/0x390
[  416.352807]  ? mark_held_locks+0x130/0x130
[  416.357053]  ? mark_held_locks+0x130/0x130
[  416.361313]  ? mark_held_locks+0xc7/0x130
[  416.365469]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.370496]  ? zap_class+0x640/0x640
[  416.374233]  ? print_usage_bug+0xc0/0xc0
[  416.378302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.383844]  ? check_preemption_disabled+0x48/0x280
[  416.388872]  ? __lock_is_held+0xb5/0x140
[  416.392942]  __alloc_pages_nodemask+0xad8/0xea0
[  416.397619]  ? zap_class+0x640/0x640
[  416.401348]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  416.406390]  ? find_held_lock+0x36/0x1c0
[  416.410485]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.415197]  ? lock_downgrade+0x900/0x900
[  416.419368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.424934]  cache_grow_begin+0xa5/0x8c0
[  416.429012]  ? do_raw_spin_unlock+0xa7/0x330
[  416.433451]  fallback_alloc+0x204/0x2e0
[  416.437456]  ____cache_alloc_node+0x1c7/0x1e0
[  416.441975]  kmem_cache_alloc_node+0xe3/0x730
[  416.446484]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.450757]  __alloc_skb+0x119/0x770
[  416.454481]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.459783]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.464199]  ? lock_downgrade+0x900/0x900
[  416.468360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.473901]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.479362]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.484846]  ? addrconf_rs_timer+0x690/0x690
[  416.489283]  ndisc_alloc_skb+0x144/0x340
[  416.493384]  ndisc_send_rs+0x331/0x6e0
[  416.497309]  addrconf_rs_timer+0x314/0x690
[  416.501592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.505856]  call_timer_fn+0x272/0x920
[  416.509758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.514008]  ? process_timeout+0x40/0x40
[  416.518080]  ? mark_held_locks+0xc7/0x130
[  416.522242]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.526753]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.531368]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.535626]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.540247]  ? trace_hardirqs_on+0xbd/0x310
[  416.544587]  ? kasan_check_read+0x11/0x20
[  416.548764]  ? __run_timers+0x7da/0xc70
[  416.552749]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.557868]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.562110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.566346]  __run_timers+0x7e5/0xc70
[  416.570158]  ? timer_fixup_init+0x70/0x70
[  416.574309]  ? kasan_check_read+0x11/0x20
[  416.578464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.583782]  ? rcu_softirq_qs+0x20/0x20
[  416.587789]  ? mark_held_locks+0xc7/0x130
[  416.591956]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  416.596742]  ? retint_kernel+0x2d/0x2d
[  416.600651]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.605614]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  416.610748]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.616218]  ? zap_class+0x640/0x640
[  416.619948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.625511]  ? check_preemption_disabled+0x48/0x280
[  416.630564]  ? __lock_is_held+0xb5/0x140
[  416.634641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.640216]  ? check_preemption_disabled+0x48/0x280
[  416.645255]  run_timer_softirq+0x52/0xb0
[  416.649326]  ? rcu_read_lock_sched_held+0x14f/0x180
[  416.654353]  __do_softirq+0x308/0xb7e
[  416.658168]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  416.662675]  ? lock_downgrade+0x900/0x900
[  416.666837]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  416.671954]  ? pvclock_read_flags+0x160/0x160
[  416.676475]  ? lapic_next_event+0x5a/0x90
[  416.680641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.686212]  ? kvm_clock_read+0x18/0x30
[  416.690200]  ? kvm_sched_clock_read+0x9/0x20
[  416.694644]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.700245]  ? check_preemption_disabled+0x48/0x280
[  416.705292]  irq_exit+0x17f/0x1c0
[  416.708774]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.713652]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.719580]  ? interrupt_entry+0xb5/0xc0
[  416.723672]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.728717]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.733759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.738624]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.743658]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.748699]  ? task_prio+0x50/0x50
[  416.752246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.757795]  ? check_preemption_disabled+0x48/0x280
[  416.762839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.767716]  apic_timer_interrupt+0xf/0x20
[  416.771965]  </IRQ>
[  416.774215] RIP: 0010:dump_stack+0x358/0x39d
[  416.778661] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  416.797590] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  416.805322] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  416.812611] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  416.819902] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  416.827215] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  416.834508] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  416.841831]  ? dump_stack+0x34f/0x39d
[  416.845649]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.850858]  ? mark_held_locks+0x130/0x130
[  416.855109]  ? mark_held_locks+0x130/0x130
[  416.859381]  dump_header+0x27b/0xf72
[  416.863172]  ? pagefault_out_of_memory+0x197/0x197
[  416.868125]  ? __lock_acquire+0x62f/0x4c20
[  416.872371]  ? percpu_ref_get_many+0x240/0x240
[  416.876974]  ? print_usage_bug+0xc0/0xc0
[  416.881052]  ? zap_class+0x640/0x640
[  416.884791]  ? print_usage_bug+0xc0/0xc0
[  416.888858]  ? print_usage_bug+0xc0/0xc0
[  416.892945]  ? zap_class+0x640/0x640
[  416.896682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.902238]  ? find_held_lock+0x36/0x1c0
[  416.906318]  ? mark_held_locks+0xc7/0x130
[  416.910477]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.915595]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.920718]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.925318]  ? trace_hardirqs_on+0xbd/0x310
[  416.929647]  ? kasan_check_read+0x11/0x20
[  416.933915]  ? ___ratelimit+0x3b4/0x672
[  416.937902]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.943019]  ? trace_hardirqs_on+0x310/0x310
[  416.947454]  ? lock_downgrade+0x900/0x900
[  416.951636]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.956775]  ? ___ratelimit+0x3b9/0x672
[  416.960777]  ? idr_get_free+0xf70/0xf70
[  416.964775]  ? find_held_lock+0x36/0x1c0
[  416.968876]  oom_kill_process.cold.27+0x10/0x903
[  416.973648]  ? zap_class+0x640/0x640
[  416.977380]  ? check_preemption_disabled+0x48/0x280
[  416.982414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.987358]  ? kasan_check_read+0x11/0x20
[  416.991516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.996809]  ? oom_evaluate_task+0x540/0x540
[  417.001233]  ? find_held_lock+0x36/0x1c0
[  417.005314]  ? out_of_memory+0x974/0x1430
[  417.009477]  ? lock_downgrade+0x900/0x900
[  417.013640]  ? check_preemption_disabled+0x48/0x280
[  417.018701]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.023645]  ? kasan_check_read+0x11/0x20
[  417.027819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.033111]  ? rcu_softirq_qs+0x20/0x20
[  417.037097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.042646]  ? oom_evaluate_task+0x302/0x540
[  417.047074]  out_of_memory+0xa84/0x1430
[  417.051083]  ? oom_killer_disable+0x3a0/0x3a0
[  417.055586]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  417.060531]  ? __ww_mutex_check_waiters+0x160/0x160
[  417.065586]  __alloc_pages_slowpath+0x232c/0x2de0
[  417.070484]  ? warn_alloc+0x120/0x120
[  417.074308]  ? mark_held_locks+0x130/0x130
[  417.078571]  ? find_get_entry+0xaae/0x1120
[  417.082834]  ? filemap_map_pages+0x1a20/0x1a20
[  417.087436]  ? zap_class+0x640/0x640
[  417.091165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.096717]  ? check_preemption_disabled+0x48/0x280
[  417.101746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.107296]  ? should_fail+0x22d/0xd01
[  417.111196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.116321]  ? zap_class+0x640/0x640
[  417.120082]  ? __lock_is_held+0xb5/0x140
[  417.124159]  ? mark_held_locks+0x130/0x130
[  417.128454]  ? lock_release+0xa00/0xa00
[  417.132447]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.137918]  ? xa_load+0x2ba/0x460
[  417.141500]  ? lock_downgrade+0x900/0x900
[  417.145697]  ? __might_sleep+0x95/0x190
[  417.149698]  __alloc_pages_nodemask+0xad8/0xea0
[  417.154417]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  417.159485]  ? __page_cache_alloc+0x191/0x5c0
[  417.164044]  ? xa_load+0x2e1/0x460
[  417.167613]  ? xa_clear_mark+0x40/0x40
[  417.171507]  ? zap_class+0x640/0x640
[  417.175231]  ? zap_class+0x640/0x640
[  417.178947]  ? zap_class+0x640/0x640
[  417.182677]  ? __do_page_cache_readahead+0x663/0x810
[  417.187798]  ? find_held_lock+0x36/0x1c0
[  417.191884]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  417.197465]  alloc_pages_current+0x173/0x350
[  417.201915]  __page_cache_alloc+0x38c/0x5c0
[  417.206261]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.211214]  ? kasan_check_read+0x11/0x20
[  417.215386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.220694]  ? generic_perform_write+0x6a0/0x6a0
[  417.225479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.231041]  ? check_preemption_disabled+0x48/0x280
[  417.236090]  filemap_fault+0x1595/0x25f0
[  417.240187]  ? __lock_page_or_retry+0xa00/0xa00
[  417.244883]  ? mark_held_locks+0x130/0x130
[  417.249144]  ? filemap_map_pages+0xd6b/0x1a20
[  417.253652]  ? lock_downgrade+0x900/0x900
[  417.257822]  ? check_preemption_disabled+0x48/0x280
[  417.262859]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.267804]  ? kasan_check_read+0x11/0x20
[  417.271963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.277251]  ? rcu_softirq_qs+0x20/0x20
[  417.281251]  ? filemap_map_pages+0xd92/0x1a20
[  417.285773]  ? find_get_entries_tag+0x1400/0x1400
[  417.290644]  ? debug_object_destroy+0x2b0/0x2b0
[  417.295423]  ? lock_pi_update_atomic+0x150/0x150
[  417.300196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.305764]  ? lock_acquire+0x1ed/0x520
[  417.309768]  ? ext4_filemap_fault+0x7a/0xad
[  417.314107]  ? lock_release+0xa00/0xa00
[  417.318085]  ? perf_trace_sched_process_exec+0x860/0x860
[  417.323560]  ? print_usage_bug+0xc0/0xc0
[  417.327653]  ? print_usage_bug+0xc0/0xc0
[  417.331762]  ? down_read+0x8d/0x120
[  417.335396]  ? ext4_filemap_fault+0x7a/0xad
[  417.339763]  ? __down_interruptible+0x700/0x700
[  417.344467]  ext4_filemap_fault+0x82/0xad
[  417.348633]  __do_fault+0x100/0x6b0
[  417.352288]  ? pmd_devmap_trans_unstable+0x220/0x220
[  417.357430]  ? mark_held_locks+0x130/0x130
[  417.361700]  ? mark_held_locks+0x130/0x130
[  417.365949]  ? __might_fault+0x12b/0x1e0
[  417.370021]  ? lock_downgrade+0x900/0x900
[  417.374216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.379768]  __handle_mm_fault+0x3ea0/0x5be0
[  417.384206]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  417.389065]  ? _copy_to_user+0xc8/0x110
[  417.393062]  ? zap_class+0x640/0x640
[  417.396793]  ? zap_class+0x640/0x640
[  417.400513]  ? __x64_sys_futex+0x53e/0x6a0
[  417.404764]  ? find_held_lock+0x36/0x1c0
[  417.408844]  ? handle_mm_fault+0x42a/0xc70
[  417.413092]  ? lock_downgrade+0x900/0x900
[  417.417281]  ? check_preemption_disabled+0x48/0x280
[  417.422306]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  417.427261]  ? kasan_check_read+0x11/0x20
[  417.431416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.436720]  ? rcu_softirq_qs+0x20/0x20
[  417.440707]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.445852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.451421]  ? check_preemption_disabled+0x48/0x280
[  417.456475]  handle_mm_fault+0x54f/0xc70
[  417.460568]  ? __handle_mm_fault+0x5be0/0x5be0
[  417.465184]  ? find_vma+0x34/0x190
[  417.468768]  __do_page_fault+0x5e8/0xe60
[  417.472855]  ? trace_hardirqs_off+0xb8/0x310
[  417.477290]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.482863]  do_page_fault+0xf2/0x7e0
[  417.486679]  ? vmalloc_sync_all+0x30/0x30
[  417.490851]  ? error_entry+0x70/0xd0
[  417.494574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.499614]  ? trace_hardirqs_on_caller+0xc0/0x310
[  417.504561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.509502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.514370]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.519401]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.524886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.529912]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.534938]  ? page_fault+0x8/0x30
[  417.538512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.543383]  ? page_fault+0x8/0x30
[  417.546929]  page_fault+0x1e/0x30
[  417.550390] RIP: 0033:0x45ddf3
[  417.553605] Code: Bad RIP value.
[  417.556983] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  417.562352] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  417.569639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  417.576967] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  417.584247] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  417.591545] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  417.598856] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  417.598922] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.605969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.605990] Workqueue: events kernfs_notify_workfn
[  417.605998] Call Trace:
[  417.606010]  <IRQ>
[  417.606046]  dump_stack+0x244/0x39d
[  417.612631] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.621906]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.626814] syz-fuzzer cpuset=/ mems_allowed=0
[  417.629409]  warn_alloc.cold.116+0xb7/0x1bd
[  417.659453]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.664310]  ? lock_downgrade+0x900/0x900
[  417.668492]  ? trace_hardirqs_off+0xb8/0x310
[  417.672913]  ? trace_hardirqs_off+0xb8/0x310
[  417.677381]  __alloc_pages_slowpath+0x2651/0x2de0
[  417.682274]  ? warn_alloc+0x120/0x120
[  417.686087]  ? print_usage_bug+0xc0/0xc0
[  417.690153]  ? warn_alloc+0x120/0x120
[  417.693981]  ? warn_alloc+0x120/0x120
[  417.697788]  ? print_usage_bug+0xc0/0xc0
[  417.701859]  ? print_usage_bug+0xc0/0xc0
[  417.705932]  ? __lock_acquire+0x62f/0x4c20
[  417.710193]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.715733]  ? should_fail+0x22d/0xd01
[  417.719655]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.724789]  ? __lock_acquire+0x62f/0x4c20
[  417.729032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.734135]  ? __lock_acquire+0x62f/0x4c20
[  417.738384]  ? should_fail+0x22d/0xd01
[  417.742407]  ? find_held_lock+0x36/0x1c0
[  417.746482]  ? mark_held_locks+0x130/0x130
[  417.750724]  ? mark_held_locks+0x130/0x130
[  417.754957]  ? zap_class+0x640/0x640
[  417.758699]  ? zap_class+0x640/0x640
[  417.762419]  ? print_usage_bug+0xc0/0xc0
[  417.766498]  ? do_raw_spin_unlock+0xa7/0x330
[  417.770944]  ? zap_class+0x640/0x640
[  417.774691]  ? print_usage_bug+0xc0/0xc0
[  417.778762]  ? wq_watchdog_touch+0x9c/0xfe
[  417.783013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.788560]  ? check_preemption_disabled+0x48/0x280
[  417.793621]  ? __lock_is_held+0xb5/0x140
[  417.797700]  __alloc_pages_nodemask+0xad8/0xea0
[  417.802376]  ? zap_class+0x640/0x640
[  417.806115]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  417.811169]  ? find_held_lock+0x36/0x1c0
[  417.815273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.819956]  ? lock_downgrade+0x900/0x900
[  417.824120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.829689]  cache_grow_begin+0xa5/0x8c0
[  417.833759]  ? do_raw_spin_unlock+0xa7/0x330
[  417.838179]  fallback_alloc+0x204/0x2e0
[  417.842168]  ____cache_alloc_node+0x1c7/0x1e0
[  417.846685]  kmem_cache_alloc_node+0xe3/0x730
[  417.851191]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.855441]  __alloc_skb+0x119/0x770
[  417.859175]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.864460]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.868871]  ? lock_downgrade+0x900/0x900
[  417.873034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.878578]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.884037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.889492]  ? addrconf_rs_timer+0x690/0x690
[  417.893919]  ndisc_alloc_skb+0x144/0x340
[  417.897997]  ndisc_send_rs+0x331/0x6e0
[  417.901893]  addrconf_rs_timer+0x314/0x690
[  417.906139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.910420]  call_timer_fn+0x272/0x920
[  417.914354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.918598]  ? process_timeout+0x40/0x40
[  417.922710]  ? mark_held_locks+0xc7/0x130
[  417.926865]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.931361]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.935862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.940101]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.944692]  ? trace_hardirqs_on+0xbd/0x310
[  417.949020]  ? kasan_check_read+0x11/0x20
[  417.953173]  ? __run_timers+0x7da/0xc70
[  417.957154]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.962265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.966504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.970753]  __run_timers+0x7e5/0xc70
[  417.974570]  ? timer_fixup_init+0x70/0x70
[  417.978726]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.983776]  ? zap_class+0x640/0x640
[  417.987527]  ? print_usage_bug+0xc0/0xc0
[  417.991622]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.996847]  ? find_held_lock+0x36/0x1c0
[  418.000916]  ? zap_class+0x640/0x640
[  418.004642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.010193]  ? check_preemption_disabled+0x48/0x280
[  418.015219]  ? __lock_is_held+0xb5/0x140
[  418.019283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.024825]  ? check_preemption_disabled+0x48/0x280
[  418.029869]  run_timer_softirq+0x52/0xb0
[  418.033938]  ? rcu_read_lock_sched_held+0x14f/0x180
[  418.038965]  __do_softirq+0x308/0xb7e
[  418.042776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  418.047273]  ? lock_downgrade+0x900/0x900
[  418.051429]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.056552]  ? pvclock_read_flags+0x160/0x160
[  418.061065]  ? lapic_next_event+0x5a/0x90
[  418.065245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.070805]  ? kvm_clock_read+0x18/0x30
[  418.074779]  ? kvm_sched_clock_read+0x9/0x20
[  418.079197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.084737]  ? check_preemption_disabled+0x48/0x280
[  418.089765]  irq_exit+0x17f/0x1c0
[  418.093232]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.098080]  ? smp_reschedule_interrupt+0x109/0x650
[  418.103118]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.109009]  ? interrupt_entry+0xb5/0xc0
[  418.113077]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.118109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.123130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.127974]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.132993]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.138018]  ? task_prio+0x50/0x50
[  418.141568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.147115]  ? check_preemption_disabled+0x48/0x280
[  418.152143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.157013]  apic_timer_interrupt+0xf/0x20
[  418.161256]  </IRQ>
[  418.163497] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  418.168172] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  418.187109] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.194835] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  418.202116] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  418.209408] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  418.216689] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  418.223978] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  418.231288]  ? mark_held_locks+0x130/0x130
[  418.235541]  ? kernfs_notify_workfn+0xf0/0x440
[  418.240132]  ? mark_held_locks+0x130/0x130
[  418.244369]  ? set_next_entity+0x493/0xc70
[  418.248611]  ? mutex_trylock+0x2b0/0x2b0
[  418.252687]  ? update_load_avg+0x2470/0x2470
[  418.257107]  ? zap_class+0x640/0x640
[  418.260833]  ? zap_class+0x640/0x640
[  418.264554]  ? print_usage_bug+0xc0/0xc0
[  418.268632]  ? find_held_lock+0x36/0x1c0
[  418.272714]  ? mark_held_locks+0xc7/0x130
[  418.276872]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.281368]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.285881]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.290477]  ? trace_hardirqs_on+0xbd/0x310
[  418.294800]  ? kasan_check_read+0x11/0x20
[  418.298990]  ? kernfs_notify_workfn+0xe2/0x440
[  418.303592]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.308729]  mutex_lock_nested+0x16/0x20
[  418.312790]  ? _raw_spin_unlock_irq+0x60/0x80
[  418.317283]  ? mutex_lock_nested+0x16/0x20
[  418.321516]  kernfs_notify_workfn+0xf0/0x440
[  418.325948]  process_one_work+0xc90/0x1c40
[  418.330183]  ? mark_held_locks+0x130/0x130
[  418.334427]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  418.339095]  ? __switch_to_asm+0x40/0x70
[  418.343155]  ? __switch_to_asm+0x34/0x70
[  418.347235]  ? __switch_to_asm+0x40/0x70
[  418.351327]  ? __switch_to_asm+0x34/0x70
[  418.355399]  ? __switch_to_asm+0x40/0x70
[  418.359470]  ? __switch_to_asm+0x34/0x70
[  418.363535]  ? __switch_to_asm+0x40/0x70
[  418.367609]  ? __switch_to_asm+0x34/0x70
[  418.371691]  ? __switch_to_asm+0x40/0x70
[  418.375761]  ? __schedule+0x8d7/0x21d0
[  418.379688]  ? lock_downgrade+0x900/0x900
[  418.383840]  ? zap_class+0x640/0x640
[  418.387554]  ? zap_class+0x640/0x640
[  418.391277]  ? find_held_lock+0x36/0x1c0
[  418.395345]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.399960]  ? lock_acquire+0x1ed/0x520
[  418.403939]  ? worker_thread+0x3e0/0x1390
[  418.408101]  ? kasan_check_read+0x11/0x20
[  418.412251]  ? do_raw_spin_lock+0x14f/0x350
[  418.416573]  ? kasan_check_read+0x11/0x20
[  418.420725]  ? rwlock_bug.part.2+0x90/0x90
[  418.424993]  ? trace_hardirqs_on+0x310/0x310
[  418.429430]  worker_thread+0x17f/0x1390
[  418.433406]  ? __switch_to_asm+0x34/0x70
[  418.437495]  ? process_one_work+0x1c40/0x1c40
[  418.442001]  ? zap_class+0x640/0x640
[  418.445743]  ? __kthread_parkme+0xce/0x1a0
[  418.450013]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.455132]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  418.460242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.464827]  ? trace_hardirqs_on+0xbd/0x310
[  418.469151]  ? kasan_check_read+0x11/0x20
[  418.473333]  ? __kthread_parkme+0xce/0x1a0
[  418.477592]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.482748]  ? trace_hardirqs_off_caller+0x310/0x310
[  418.487867]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  418.492978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.498521]  ? __kthread_parkme+0xfb/0x1a0
[  418.502767]  ? process_one_work+0x1c40/0x1c40
[  418.507284]  kthread+0x35a/0x440
[  418.510655]  ? kthread_stop+0x900/0x900
[  418.514645]  ret_from_fork+0x3a/0x50
[  418.518382] warn_alloc_show_mem: 1 callbacks suppressed
[  418.518394] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  418.518396] Mem-Info:
[  418.518427] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  418.518427]  active_file:9 inactive_file:10 isolated_file:8
[  418.518427]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.518427]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  418.518427]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  418.518427]  free:13786 free_pcp:282 free_cma:0
[  418.523777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.530797] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.533198] Call Trace:
[  418.566179] 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
[  418.575550]  <IRQ>
[  418.603408] lowmem_reserve[]: 0 2818 6321 6321
[  418.606035]  dump_stack+0x244/0x39d
[  418.632661] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  418.634865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.639412] lowmem_reserve[]: 0 0 3503 3503
[  418.643061]  warn_alloc.cold.116+0xb7/0x1bd
[  418.670360] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  418.675551]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.679856] lowmem_reserve[]: 0 0 0 0
[  418.684196]  ? lock_downgrade+0x900/0x900
[  418.713088] 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
[  418.717941]  ? trace_hardirqs_off+0xb8/0x310
[  418.721712] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  418.725857]  ? trace_hardirqs_off+0xb8/0x310
[  418.739357] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  418.743824]  __alloc_pages_slowpath+0x2651/0x2de0
[  418.758972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.763397]  ? warn_alloc+0x120/0x120
[  418.778382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.783230]  ? print_usage_bug+0xc0/0xc0
[  418.792049] 4366 total pagecache pages
[  418.795873]  ? warn_alloc+0x120/0x120
[  418.804448] 0 pages in swap cache
[  418.808520]  ? warn_alloc+0x120/0x120
[  418.812379] Swap cache stats: add 0, delete 0, find 0/0
[  418.816174]  ? print_usage_bug+0xc0/0xc0
[  418.819605] Free swap  = 0kB
[  418.823455]  ? kvm_clock_read+0x18/0x30
[  418.828791] Total swap = 0kB
[  418.832862]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.835855] 1965979 pages RAM
[  418.839827]  ? print_usage_bug+0xc0/0xc0
[  418.842814] 0 pages HighMem/MovableOnly
[  418.842822] 342854 pages reserved
[  418.847840]  ? __lock_acquire+0x62f/0x4c20
[  418.850920] 0 pages cma reserved
[  418.854997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.859011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.862390]  ? should_fail+0x22d/0xd01
[  418.862404]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.862422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.866743] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.870055]  ? __lock_acquire+0x62f/0x4c20
[  418.875588] kworker/0:2 cpuset=/ mems_allowed=0
[  418.882082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.920631]  ? __lock_acquire+0x62f/0x4c20
[  418.924875]  ? should_fail+0x22d/0xd01
[  418.928772]  ? rcu_irq_exit+0x1a2/0x390
[  418.932792]  ? mark_held_locks+0x130/0x130
[  418.937032]  ? mark_held_locks+0x130/0x130
[  418.941273]  ? mark_held_locks+0xc7/0x130
[  418.945435]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  418.950468]  ? zap_class+0x640/0x640
[  418.954185]  ? print_usage_bug+0xc0/0xc0
[  418.958252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.963794]  ? check_preemption_disabled+0x48/0x280
[  418.968933]  ? __lock_is_held+0xb5/0x140
[  418.973011]  __alloc_pages_nodemask+0xad8/0xea0
[  418.977689]  ? zap_class+0x640/0x640
[  418.981414]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  418.986457]  ? find_held_lock+0x36/0x1c0
[  418.990532]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.995205]  ? lock_downgrade+0x900/0x900
[  418.999391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.004940]  cache_grow_begin+0xa5/0x8c0
[  419.009020]  ? do_raw_spin_unlock+0xa7/0x330
[  419.013443]  fallback_alloc+0x204/0x2e0
[  419.017449]  ____cache_alloc_node+0x1c7/0x1e0
[  419.021970]  kmem_cache_alloc_node+0xe3/0x730
[  419.026468]  ? ipv6_get_ifaddr+0x42e/0x620
[  419.030716]  __alloc_skb+0x119/0x770
[  419.034450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.039746]  ? netdev_alloc_frag+0x1f0/0x1f0
[  419.044201]  ? lock_downgrade+0x900/0x900
[  419.048363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.053902]  ? refcount_sub_and_test_checked+0x203/0x310
[  419.059357]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  419.064814]  ? addrconf_rs_timer+0x690/0x690
[  419.069238]  ndisc_alloc_skb+0x144/0x340
[  419.073306]  ndisc_send_rs+0x331/0x6e0
[  419.077202]  addrconf_rs_timer+0x314/0x690
[  419.081449]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.085723]  call_timer_fn+0x272/0x920
[  419.089646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.093890]  ? process_timeout+0x40/0x40
[  419.097965]  ? mark_held_locks+0xc7/0x130
[  419.102119]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.106614]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.111108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.115343]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.119962]  ? trace_hardirqs_on+0xbd/0x310
[  419.124284]  ? kasan_check_read+0x11/0x20
[  419.128434]  ? __run_timers+0x7da/0xc70
[  419.132412]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.137525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.141773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  419.146053]  __run_timers+0x7e5/0xc70
[  419.149870]  ? timer_fixup_init+0x70/0x70
[  419.154035]  ? kasan_check_read+0x11/0x20
[  419.158210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.163492]  ? rcu_softirq_qs+0x20/0x20
[  419.167477]  ? mark_held_locks+0xc7/0x130
[  419.171645]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.176417]  ? retint_kernel+0x2d/0x2d
[  419.180313]  ? trace_hardirqs_on_caller+0xc0/0x310
[  419.185252]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  419.190017]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.195479]  ? zap_class+0x640/0x640
[  419.199205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.204754]  ? check_preemption_disabled+0x48/0x280
[  419.209784]  ? __lock_is_held+0xb5/0x140
[  419.213851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.219411]  ? check_preemption_disabled+0x48/0x280
[  419.224532]  run_timer_softirq+0x52/0xb0
[  419.228614]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.233642]  __do_softirq+0x308/0xb7e
[  419.237475]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.241993]  ? lock_downgrade+0x900/0x900
[  419.246160]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.251290]  ? pvclock_read_flags+0x160/0x160
[  419.255817]  ? lapic_next_event+0x5a/0x90
[  419.259982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.265537]  ? kvm_clock_read+0x18/0x30
[  419.269534]  ? kvm_sched_clock_read+0x9/0x20
[  419.273954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.279504]  ? check_preemption_disabled+0x48/0x280
[  419.284570]  irq_exit+0x17f/0x1c0
[  419.288050]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.292906]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.298832]  ? interrupt_entry+0xb5/0xc0
[  419.302902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.307937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.312960]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.317811]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.322848]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.327872]  ? task_prio+0x50/0x50
[  419.331422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.336972]  ? check_preemption_disabled+0x48/0x280
[  419.342002]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.346858]  apic_timer_interrupt+0xf/0x20
[  419.351091]  </IRQ>
[  419.353339] RIP: 0010:dump_stack+0x358/0x39d
[  419.357776] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  419.376700] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  419.384458] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  419.391753] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  419.399029] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  419.406304] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  419.413580] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  419.420881]  ? dump_stack+0x34f/0x39d
[  419.424717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  419.429917]  ? mark_held_locks+0x130/0x130
[  419.434157]  ? mark_held_locks+0x130/0x130
[  419.438417]  dump_header+0x27b/0xf72
[  419.442157]  ? pagefault_out_of_memory+0x197/0x197
[  419.447102]  ? __lock_acquire+0x62f/0x4c20
[  419.451348]  ? percpu_ref_get_many+0x240/0x240
[  419.455948]  ? print_usage_bug+0xc0/0xc0
[  419.460036]  ? zap_class+0x640/0x640
[  419.463771]  ? print_usage_bug+0xc0/0xc0
[  419.467841]  ? print_usage_bug+0xc0/0xc0
[  419.471917]  ? zap_class+0x640/0x640
[  419.475645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.481235]  ? find_held_lock+0x36/0x1c0
[  419.485315]  ? mark_held_locks+0xc7/0x130
[  419.489470]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.494579]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.499742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.504369]  ? trace_hardirqs_on+0xbd/0x310
[  419.508722]  ? kasan_check_read+0x11/0x20
[  419.512874]  ? ___ratelimit+0x3b4/0x672
[  419.516852]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.521972]  ? trace_hardirqs_on+0x310/0x310
[  419.526408]  ? lock_downgrade+0x900/0x900
[  419.530575]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.535698]  ? ___ratelimit+0x3b9/0x672
[  419.539693]  ? idr_get_free+0xf70/0xf70
[  419.543683]  ? find_held_lock+0x36/0x1c0
[  419.547782]  oom_kill_process.cold.27+0x10/0x903
[  419.552557]  ? zap_class+0x640/0x640
[  419.556283]  ? check_preemption_disabled+0x48/0x280
[  419.561313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.566268]  ? kasan_check_read+0x11/0x20
[  419.570450]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.575750]  ? oom_evaluate_task+0x540/0x540
[  419.580169]  ? find_held_lock+0x36/0x1c0
[  419.584257]  ? out_of_memory+0x974/0x1430
[  419.588412]  ? lock_downgrade+0x900/0x900
[  419.592574]  ? check_preemption_disabled+0x48/0x280
[  419.597611]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.602572]  ? kasan_check_read+0x11/0x20
[  419.606725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.612034]  ? rcu_softirq_qs+0x20/0x20
[  419.616044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.621583]  ? oom_evaluate_task+0x302/0x540
[  419.625996]  out_of_memory+0xa84/0x1430
[  419.629983]  ? oom_killer_disable+0x3a0/0x3a0
[  419.634478]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  419.639414]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.644453]  __alloc_pages_slowpath+0x232c/0x2de0
[  419.649329]  ? warn_alloc+0x120/0x120
[  419.653145]  ? mark_held_locks+0x130/0x130
[  419.657408]  ? find_get_entry+0xaae/0x1120
[  419.661671]  ? filemap_map_pages+0x1a20/0x1a20
[  419.666265]  ? zap_class+0x640/0x640
[  419.669989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.675529]  ? check_preemption_disabled+0x48/0x280
[  419.680558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.686129]  ? should_fail+0x22d/0xd01
[  419.690034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.695140]  ? zap_class+0x640/0x640
[  419.698875]  ? __lock_is_held+0xb5/0x140
[  419.702959]  ? mark_held_locks+0x130/0x130
[  419.707221]  ? lock_release+0xa00/0xa00
[  419.711227]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.716698]  ? xa_load+0x2ba/0x460
[  419.720242]  ? lock_downgrade+0x900/0x900
[  419.724396]  ? __might_sleep+0x95/0x190
[  419.728396]  __alloc_pages_nodemask+0xad8/0xea0
[  419.733097]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  419.738128]  ? __page_cache_alloc+0x191/0x5c0
[  419.743142]  ? xa_load+0x2e1/0x460
[  419.746691]  ? xa_clear_mark+0x40/0x40
[  419.750599]  ? zap_class+0x640/0x640
[  419.754322]  ? zap_class+0x640/0x640
[  419.758035]  ? zap_class+0x640/0x640
[  419.761753]  ? __do_page_cache_readahead+0x663/0x810
[  419.766863]  ? find_held_lock+0x36/0x1c0
[  419.770946]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.776494]  alloc_pages_current+0x173/0x350
[  419.780914]  __page_cache_alloc+0x38c/0x5c0
[  419.785237]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.790173]  ? kasan_check_read+0x11/0x20
[  419.794342]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.799627]  ? generic_perform_write+0x6a0/0x6a0
[  419.804401]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.809990]  ? check_preemption_disabled+0x48/0x280
[  419.815040]  filemap_fault+0x1595/0x25f0
[  419.819126]  ? __lock_page_or_retry+0xa00/0xa00
[  419.823810]  ? mark_held_locks+0x130/0x130
[  419.828069]  ? filemap_map_pages+0xd6b/0x1a20
[  419.832612]  ? lock_downgrade+0x900/0x900
[  419.836772]  ? check_preemption_disabled+0x48/0x280
[  419.841808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.846792]  ? kasan_check_read+0x11/0x20
[  419.851002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.856311]  ? rcu_softirq_qs+0x20/0x20
[  419.860313]  ? filemap_map_pages+0xd92/0x1a20
[  419.864848]  ? find_get_entries_tag+0x1400/0x1400
[  419.869759]  ? debug_object_destroy+0x2b0/0x2b0
[  419.874463]  ? lock_pi_update_atomic+0x150/0x150
[  419.879225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.884790]  ? lock_acquire+0x1ed/0x520
[  419.888770]  ? ext4_filemap_fault+0x7a/0xad
[  419.893107]  ? lock_release+0xa00/0xa00
[  419.897080]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.902534]  ? print_usage_bug+0xc0/0xc0
[  419.906598]  ? print_usage_bug+0xc0/0xc0
[  419.910691]  ? down_read+0x8d/0x120
[  419.914317]  ? ext4_filemap_fault+0x7a/0xad
[  419.918641]  ? __down_interruptible+0x700/0x700
[  419.923328]  ext4_filemap_fault+0x82/0xad
[  419.927484]  __do_fault+0x100/0x6b0
[  419.931115]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.936221]  ? mark_held_locks+0x130/0x130
[  419.940535]  ? mark_held_locks+0x130/0x130
[  419.944784]  ? __might_fault+0x12b/0x1e0
[  419.948868]  ? lock_downgrade+0x900/0x900
[  419.953025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.958569]  __handle_mm_fault+0x3ea0/0x5be0
[  419.962991]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.967844]  ? _copy_to_user+0xc8/0x110
[  419.971838]  ? zap_class+0x640/0x640
[  419.975549]  ? zap_class+0x640/0x640
[  419.979261]  ? __x64_sys_futex+0x53e/0x6a0
[  419.983505]  ? find_held_lock+0x36/0x1c0
[  419.987579]  ? handle_mm_fault+0x42a/0xc70
[  419.991832]  ? lock_downgrade+0x900/0x900
[  419.996002]  ? check_preemption_disabled+0x48/0x280
[  420.001039]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  420.005986]  ? kasan_check_read+0x11/0x20
[  420.010132]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.015423]  ? rcu_softirq_qs+0x20/0x20
[  420.019406]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.024513]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.030084]  ? check_preemption_disabled+0x48/0x280
[  420.035117]  handle_mm_fault+0x54f/0xc70
[  420.039204]  ? __handle_mm_fault+0x5be0/0x5be0
[  420.043788]  ? find_vma+0x34/0x190
[  420.047335]  __do_page_fault+0x5e8/0xe60
[  420.051428]  ? trace_hardirqs_off+0xb8/0x310
[  420.055832]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.061377]  do_page_fault+0xf2/0x7e0
[  420.065180]  ? vmalloc_sync_all+0x30/0x30
[  420.069358]  ? error_entry+0x70/0xd0
[  420.073077]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.078089]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.083021]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.087954]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.092808]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.097826]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.103278]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.108300]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.113321]  ? page_fault+0x8/0x30
[  420.116891]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.121735]  ? page_fault+0x8/0x30
[  420.125273]  page_fault+0x1e/0x30
[  420.128722] RIP: 0033:0x45ddf3
[  420.131944] Code: Bad RIP value.
[  420.135307] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  420.140674] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  420.147939] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  420.155219] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  420.162483] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  420.169751] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  420.177044] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  420.177119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.184152] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.184170] Workqueue: events kernfs_notify_workfn
[  420.184177] Call Trace:
[  420.184189]  <IRQ>
[  420.190759] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.200031]  dump_stack+0x244/0x39d
[  420.204929] syz-fuzzer cpuset=/ mems_allowed=0
[  420.207516]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.233262]  warn_alloc.cold.116+0xb7/0x1bd
[  420.237588]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.242441]  ? lock_downgrade+0x900/0x900
[  420.246597]  ? trace_hardirqs_off+0xb8/0x310
[  420.251012]  ? trace_hardirqs_off+0xb8/0x310
[  420.255427]  __alloc_pages_slowpath+0x2651/0x2de0
[  420.260314]  ? warn_alloc+0x120/0x120
[  420.264139]  ? print_usage_bug+0xc0/0xc0
[  420.268210]  ? warn_alloc+0x120/0x120
[  420.272013]  ? warn_alloc+0x120/0x120
[  420.275838]  ? print_usage_bug+0xc0/0xc0
[  420.279908]  ? print_usage_bug+0xc0/0xc0
[  420.283990]  ? __lock_acquire+0x62f/0x4c20
[  420.288245]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.293785]  ? should_fail+0x22d/0xd01
[  420.297692]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.302797]  ? __lock_acquire+0x62f/0x4c20
[  420.307034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.312158]  ? __lock_acquire+0x62f/0x4c20
[  420.316403]  ? should_fail+0x22d/0xd01
[  420.320309]  ? find_held_lock+0x36/0x1c0
[  420.324384]  ? mark_held_locks+0x130/0x130
[  420.328628]  ? mark_held_locks+0x130/0x130
[  420.332884]  ? zap_class+0x640/0x640
[  420.336673]  ? zap_class+0x640/0x640
[  420.340406]  ? print_usage_bug+0xc0/0xc0
[  420.344465]  ? do_raw_spin_unlock+0xa7/0x330
[  420.348881]  ? zap_class+0x640/0x640
[  420.352598]  ? print_usage_bug+0xc0/0xc0
[  420.356679]  ? wq_watchdog_touch+0x9c/0xfe
[  420.360968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.366509]  ? check_preemption_disabled+0x48/0x280
[  420.371536]  ? __lock_is_held+0xb5/0x140
[  420.375619]  __alloc_pages_nodemask+0xad8/0xea0
[  420.380290]  ? zap_class+0x640/0x640
[  420.384011]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  420.389036]  ? find_held_lock+0x36/0x1c0
[  420.393108]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.397779]  ? lock_downgrade+0x900/0x900
[  420.401937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.407497]  cache_grow_begin+0xa5/0x8c0
[  420.411557]  ? do_raw_spin_unlock+0xa7/0x330
[  420.415988]  fallback_alloc+0x204/0x2e0
[  420.419969]  ____cache_alloc_node+0x1c7/0x1e0
[  420.424471]  kmem_cache_alloc_node+0xe3/0x730
[  420.428971]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.433220]  __alloc_skb+0x119/0x770
[  420.436934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.442236]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.446649]  ? lock_downgrade+0x900/0x900
[  420.450830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.456369]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.461840]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.467294]  ? addrconf_rs_timer+0x690/0x690
[  420.471743]  ndisc_alloc_skb+0x144/0x340
[  420.475810]  ndisc_send_rs+0x331/0x6e0
[  420.479707]  addrconf_rs_timer+0x314/0x690
[  420.483954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.488208]  call_timer_fn+0x272/0x920
[  420.492112]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.496362]  ? process_timeout+0x40/0x40
[  420.500474]  ? mark_held_locks+0xc7/0x130
[  420.504658]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.509179]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.513704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.517964]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.522551]  ? trace_hardirqs_on+0xbd/0x310
[  420.526874]  ? kasan_check_read+0x11/0x20
[  420.531019]  ? __run_timers+0x7da/0xc70
[  420.534999]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.540124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.544367]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.548602]  __run_timers+0x7e5/0xc70
[  420.552431]  ? timer_fixup_init+0x70/0x70
[  420.556584]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.561602]  ? zap_class+0x640/0x640
[  420.565338]  ? print_usage_bug+0xc0/0xc0
[  420.569418]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.574629]  ? find_held_lock+0x36/0x1c0
[  420.578727]  ? zap_class+0x640/0x640
[  420.582465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.588021]  ? check_preemption_disabled+0x48/0x280
[  420.593044]  ? __lock_is_held+0xb5/0x140
[  420.597117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.602656]  ? check_preemption_disabled+0x48/0x280
[  420.607722]  run_timer_softirq+0x52/0xb0
[  420.611985]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.617007]  __do_softirq+0x308/0xb7e
[  420.620812]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.625306]  ? lock_downgrade+0x900/0x900
[  420.629467]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.634594]  ? pvclock_read_flags+0x160/0x160
[  420.639107]  ? lapic_next_event+0x5a/0x90
[  420.643261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.648809]  ? kvm_clock_read+0x18/0x30
[  420.652800]  ? kvm_sched_clock_read+0x9/0x20
[  420.657217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.662756]  ? check_preemption_disabled+0x48/0x280
[  420.667780]  irq_exit+0x17f/0x1c0
[  420.671243]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.676085]  ? smp_reschedule_interrupt+0x109/0x650
[  420.681118]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.687000]  ? interrupt_entry+0xb5/0xc0
[  420.691081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.696148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.701180]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.706022]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.711043]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.716055]  ? task_prio+0x50/0x50
[  420.719595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.725131]  ? check_preemption_disabled+0x48/0x280
[  420.730150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.735008]  apic_timer_interrupt+0xf/0x20
[  420.739249]  </IRQ>
[  420.741503] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  420.746183] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  420.765392] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.773101] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  420.780376] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  420.787669] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  420.794946] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  420.802233] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  420.809561]  ? mark_held_locks+0x130/0x130
[  420.813802]  ? kernfs_notify_workfn+0xf0/0x440
[  420.818393]  ? mark_held_locks+0x130/0x130
[  420.822633]  ? set_next_entity+0x493/0xc70
[  420.826882]  ? mutex_trylock+0x2b0/0x2b0
[  420.830961]  ? update_load_avg+0x2470/0x2470
[  420.835383]  ? zap_class+0x640/0x640
[  420.839108]  ? zap_class+0x640/0x640
[  420.842860]  ? print_usage_bug+0xc0/0xc0
[  420.846940]  ? find_held_lock+0x36/0x1c0
[  420.851026]  ? mark_held_locks+0xc7/0x130
[  420.855179]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.859686]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.864190]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.868775]  ? trace_hardirqs_on+0xbd/0x310
[  420.873102]  ? kasan_check_read+0x11/0x20
[  420.877254]  ? kernfs_notify_workfn+0xe2/0x440
[  420.881867]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.887008]  mutex_lock_nested+0x16/0x20
[  420.891081]  ? _raw_spin_unlock_irq+0x60/0x80
[  420.895595]  ? mutex_lock_nested+0x16/0x20
[  420.899832]  kernfs_notify_workfn+0xf0/0x440
[  420.904249]  process_one_work+0xc90/0x1c40
[  420.908490]  ? mark_held_locks+0x130/0x130
[  420.912786]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  420.917456]  ? __switch_to_asm+0x40/0x70
[  420.921519]  ? __switch_to_asm+0x34/0x70
[  420.925580]  ? __switch_to_asm+0x40/0x70
[  420.929662]  ? __switch_to_asm+0x34/0x70
[  420.933739]  ? __switch_to_asm+0x40/0x70
[  420.937938]  ? __switch_to_asm+0x34/0x70
[  420.941996]  ? __switch_to_asm+0x40/0x70
[  420.946055]  ? __switch_to_asm+0x34/0x70
[  420.950114]  ? __switch_to_asm+0x40/0x70
[  420.954203]  ? __schedule+0x8d7/0x21d0
[  420.958105]  ? lock_downgrade+0x900/0x900
[  420.962272]  ? zap_class+0x640/0x640
[  420.966014]  ? zap_class+0x640/0x640
[  420.969733]  ? find_held_lock+0x36/0x1c0
[  420.973816]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  420.978414]  ? lock_acquire+0x1ed/0x520
[  420.982389]  ? worker_thread+0x3e0/0x1390
[  420.986579]  ? kasan_check_read+0x11/0x20
[  420.990744]  ? do_raw_spin_lock+0x14f/0x350
[  420.995065]  ? kasan_check_read+0x11/0x20
[  420.999234]  ? rwlock_bug.part.2+0x90/0x90
[  421.003481]  ? trace_hardirqs_on+0x310/0x310
[  421.007920]  worker_thread+0x17f/0x1390
[  421.011908]  ? __switch_to_asm+0x34/0x70
[  421.015989]  ? process_one_work+0x1c40/0x1c40
[  421.020501]  ? zap_class+0x640/0x640
[  421.024267]  ? __kthread_parkme+0xce/0x1a0
[  421.028522]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.033627]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.038752]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.043338]  ? trace_hardirqs_on+0xbd/0x310
[  421.047659]  ? kasan_check_read+0x11/0x20
[  421.051829]  ? __kthread_parkme+0xce/0x1a0
[  421.056081]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.061195]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.066306]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.071408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.076950]  ? __kthread_parkme+0xfb/0x1a0
[  421.081187]  ? process_one_work+0x1c40/0x1c40
[  421.085702]  kthread+0x35a/0x440
[  421.089101]  ? kthread_stop+0x900/0x900
[  421.093081]  ret_from_fork+0x3a/0x50
[  421.096853] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  421.096858] warn_alloc_show_mem: 1 callbacks suppressed
[  421.096865] Mem-Info:
[  421.103879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.109247] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  421.109247]  active_file:9 inactive_file:10 isolated_file:8
[  421.109247]  unevictable:0 dirty:0 writeback:0 unstable:0
[  421.109247]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  421.109247]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  421.109247]  free:13786 free_pcp:282 free_cma:0
[  421.111635] Call Trace:
[  421.121022] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  421.153970]  <IRQ>
[  421.156555] 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
[  421.184417]  dump_stack+0x244/0x39d
[  421.186542] lowmem_reserve[]: 0 2818 6321 6321
[  421.212672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.216270] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  421.220882]  warn_alloc.cold.116+0xb7/0x1bd
[  421.226040] lowmem_reserve[]: 0 0 3503 3503
[  421.253378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.257687] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  421.262007]  ? lock_downgrade+0x900/0x900
[  421.266824] lowmem_reserve[]: 0 0 0 0
[  421.295774]  ? trace_hardirqs_off+0xb8/0x310
[  421.299894] 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
[  421.303710]  ? trace_hardirqs_off+0xb8/0x310
[  421.308094] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  421.321652]  __alloc_pages_slowpath+0x2651/0x2de0
[  421.326052] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  421.341248]  ? warn_alloc+0x120/0x120
[  421.346057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  421.361098]  ? print_usage_bug+0xc0/0xc0
[  421.364876] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  421.373710]  ? warn_alloc+0x120/0x120
[  421.377750] 4366 total pagecache pages
[  421.386320]  ? warn_alloc+0x120/0x120
[  421.390099] 0 pages in swap cache
[  421.393970]  ? print_usage_bug+0xc0/0xc0
[  421.397787] Swap cache stats: add 0, delete 0, find 0/0
[  421.401228]  ? kvm_clock_read+0x18/0x30
[  421.405275] Free swap  = 0kB
[  421.410647]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.414590] Total swap = 0kB
[  421.417603]  ? print_usage_bug+0xc0/0xc0
[  421.422621] 1965979 pages RAM
[  421.425648]  ? __lock_acquire+0x62f/0x4c20
[  421.429691] 0 pages HighMem/MovableOnly
[  421.432791]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.436991] 342854 pages reserved
[  421.440988]  ? should_fail+0x22d/0xd01
[  421.446511] 0 pages cma reserved
[  421.446589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  421.449988]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.450007]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.450022]  ? __lock_acquire+0x62f/0x4c20
[  421.453945] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.457241]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.463737] kworker/0:2 cpuset=/ mems_allowed=0
[  421.469027]  ? __lock_acquire+0x62f/0x4c20
[  421.502590]  ? should_fail+0x22d/0xd01
[  421.506502]  ? rcu_irq_exit+0x1a2/0x390
[  421.510487]  ? mark_held_locks+0x130/0x130
[  421.514726]  ? mark_held_locks+0x130/0x130
[  421.518971]  ? mark_held_locks+0xc7/0x130
[  421.523119]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  421.528173]  ? zap_class+0x640/0x640
[  421.531909]  ? print_usage_bug+0xc0/0xc0
[  421.535982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.541528]  ? check_preemption_disabled+0x48/0x280
[  421.546563]  ? __lock_is_held+0xb5/0x140
[  421.550641]  __alloc_pages_nodemask+0xad8/0xea0
[  421.555323]  ? zap_class+0x640/0x640
[  421.559046]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  421.564078]  ? find_held_lock+0x36/0x1c0
[  421.568161]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.572838]  ? lock_downgrade+0x900/0x900
[  421.577003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.582552]  cache_grow_begin+0xa5/0x8c0
[  421.586621]  ? do_raw_spin_unlock+0xa7/0x330
[  421.591040]  fallback_alloc+0x204/0x2e0
[  421.595023]  ____cache_alloc_node+0x1c7/0x1e0
[  421.599525]  kmem_cache_alloc_node+0xe3/0x730
[  421.604031]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.608281]  __alloc_skb+0x119/0x770
[  421.611996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.617280]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.621699]  ? lock_downgrade+0x900/0x900
[  421.625858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.631434]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.636904]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.642396]  ? addrconf_rs_timer+0x690/0x690
[  421.646824]  ndisc_alloc_skb+0x144/0x340
[  421.650893]  ndisc_send_rs+0x331/0x6e0
[  421.654788]  addrconf_rs_timer+0x314/0x690
[  421.659029]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.663278]  call_timer_fn+0x272/0x920
[  421.667169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.671408]  ? process_timeout+0x40/0x40
[  421.675487]  ? mark_held_locks+0xc7/0x130
[  421.679648]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.684151]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.688650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.692899]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.697496]  ? trace_hardirqs_on+0xbd/0x310
[  421.701822]  ? kasan_check_read+0x11/0x20
[  421.705969]  ? __run_timers+0x7da/0xc70
[  421.709946]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.715076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.719335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.723581]  __run_timers+0x7e5/0xc70
[  421.727396]  ? timer_fixup_init+0x70/0x70
[  421.731567]  ? kasan_check_read+0x11/0x20
[  421.735719]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.741481]  ? rcu_softirq_qs+0x20/0x20
[  421.745468]  ? mark_held_locks+0xc7/0x130
[  421.749620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.754402]  ? retint_kernel+0x2d/0x2d
[  421.758306]  ? trace_hardirqs_on_caller+0xc0/0x310
[  421.763245]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.768006]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.773465]  ? zap_class+0x640/0x640
[  421.777190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.782734]  ? check_preemption_disabled+0x48/0x280
[  421.787764]  ? __lock_is_held+0xb5/0x140
[  421.791843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.797445]  ? check_preemption_disabled+0x48/0x280
[  421.802468]  run_timer_softirq+0x52/0xb0
[  421.806532]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.811555]  __do_softirq+0x308/0xb7e
[  421.815381]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.819881]  ? lock_downgrade+0x900/0x900
[  421.824032]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.829146]  ? pvclock_read_flags+0x160/0x160
[  421.833645]  ? lapic_next_event+0x5a/0x90
[  421.837803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.843377]  ? kvm_clock_read+0x18/0x30
[  421.847379]  ? kvm_sched_clock_read+0x9/0x20
[  421.851802]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.857335]  ? check_preemption_disabled+0x48/0x280
[  421.862355]  irq_exit+0x17f/0x1c0
[  421.865809]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.870647]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.876535]  ? interrupt_entry+0xb5/0xc0
[  421.880589]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.885596]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.890608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.895449]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.900460]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.905473]  ? task_prio+0x50/0x50
[  421.909009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.914542]  ? check_preemption_disabled+0x48/0x280
[  421.919558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.924400]  apic_timer_interrupt+0xf/0x20
[  421.928628]  </IRQ>
[  421.930866] RIP: 0010:dump_stack+0x358/0x39d
[  421.935268] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  421.954258] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  421.961972] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  421.969237] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  421.976503] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  421.983762] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  421.991030] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  421.998327]  ? dump_stack+0x34f/0x39d
[  422.002139]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.007377]  ? mark_held_locks+0x130/0x130
[  422.011635]  ? mark_held_locks+0x130/0x130
[  422.015882]  dump_header+0x27b/0xf72
[  422.019614]  ? pagefault_out_of_memory+0x197/0x197
[  422.024554]  ? __lock_acquire+0x62f/0x4c20
[  422.028791]  ? percpu_ref_get_many+0x240/0x240
[  422.033374]  ? print_usage_bug+0xc0/0xc0
[  422.037444]  ? zap_class+0x640/0x640
[  422.041154]  ? print_usage_bug+0xc0/0xc0
[  422.045208]  ? print_usage_bug+0xc0/0xc0
[  422.049262]  ? zap_class+0x640/0x640
[  422.053016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.058553]  ? find_held_lock+0x36/0x1c0
[  422.062617]  ? mark_held_locks+0xc7/0x130
[  422.066765]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.071893]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  422.077008]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.081590]  ? trace_hardirqs_on+0xbd/0x310
[  422.085905]  ? kasan_check_read+0x11/0x20
[  422.090049]  ? ___ratelimit+0x3b4/0x672
[  422.094022]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.099138]  ? trace_hardirqs_on+0x310/0x310
[  422.103543]  ? lock_downgrade+0x900/0x900
[  422.107706]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  422.112805]  ? ___ratelimit+0x3b9/0x672
[  422.116796]  ? idr_get_free+0xf70/0xf70
[  422.120764]  ? find_held_lock+0x36/0x1c0
[  422.124839]  oom_kill_process.cold.27+0x10/0x903
[  422.129589]  ? zap_class+0x640/0x640
[  422.133301]  ? check_preemption_disabled+0x48/0x280
[  422.138313]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.143237]  ? kasan_check_read+0x11/0x20
[  422.147384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.152678]  ? oom_evaluate_task+0x540/0x540
[  422.157086]  ? find_held_lock+0x36/0x1c0
[  422.161149]  ? out_of_memory+0x974/0x1430
[  422.165300]  ? lock_downgrade+0x900/0x900
[  422.169446]  ? check_preemption_disabled+0x48/0x280
[  422.174478]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.179414]  ? kasan_check_read+0x11/0x20
[  422.183563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.188835]  ? rcu_softirq_qs+0x20/0x20
[  422.192809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.198367]  ? oom_evaluate_task+0x302/0x540
[  422.202807]  out_of_memory+0xa84/0x1430
[  422.206784]  ? oom_killer_disable+0x3a0/0x3a0
[  422.211286]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  422.216228]  ? __ww_mutex_check_waiters+0x160/0x160
[  422.221252]  __alloc_pages_slowpath+0x232c/0x2de0
[  422.226122]  ? warn_alloc+0x120/0x120
[  422.229920]  ? mark_held_locks+0x130/0x130
[  422.234170]  ? find_get_entry+0xaae/0x1120
[  422.238409]  ? filemap_map_pages+0x1a20/0x1a20
[  422.243000]  ? zap_class+0x640/0x640
[  422.246729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.252277]  ? check_preemption_disabled+0x48/0x280
[  422.257301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.262882]  ? should_fail+0x22d/0xd01
[  422.266822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.271989]  ? zap_class+0x640/0x640
[  422.275853]  ? __lock_is_held+0xb5/0x140
[  422.279925]  ? mark_held_locks+0x130/0x130
[  422.284204]  ? lock_release+0xa00/0xa00
[  422.288191]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.293658]  ? xa_load+0x2ba/0x460
[  422.297217]  ? lock_downgrade+0x900/0x900
[  422.301395]  ? __might_sleep+0x95/0x190
[  422.305445]  __alloc_pages_nodemask+0xad8/0xea0
[  422.310115]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  422.315142]  ? __page_cache_alloc+0x191/0x5c0
[  422.319656]  ? xa_load+0x2e1/0x460
[  422.323212]  ? xa_clear_mark+0x40/0x40
[  422.327098]  ? zap_class+0x640/0x640
[  422.330837]  ? zap_class+0x640/0x640
[  422.334550]  ? zap_class+0x640/0x640
[  422.338257]  ? __do_page_cache_readahead+0x663/0x810
[  422.343362]  ? find_held_lock+0x36/0x1c0
[  422.347422]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  422.352999]  alloc_pages_current+0x173/0x350
[  422.357409]  __page_cache_alloc+0x38c/0x5c0
[  422.361737]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.366658]  ? kasan_check_read+0x11/0x20
[  422.370810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.376084]  ? generic_perform_write+0x6a0/0x6a0
[  422.380836]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.386401]  ? check_preemption_disabled+0x48/0x280
[  422.391449]  filemap_fault+0x1595/0x25f0
[  422.395517]  ? __lock_page_or_retry+0xa00/0xa00
[  422.400249]  ? mark_held_locks+0x130/0x130
[  422.404490]  ? filemap_map_pages+0xd6b/0x1a20
[  422.408978]  ? lock_downgrade+0x900/0x900
[  422.413125]  ? check_preemption_disabled+0x48/0x280
[  422.418142]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.423066]  ? kasan_check_read+0x11/0x20
[  422.427211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.432498]  ? rcu_softirq_qs+0x20/0x20
[  422.436518]  ? filemap_map_pages+0xd92/0x1a20
[  422.441033]  ? find_get_entries_tag+0x1400/0x1400
[  422.445869]  ? debug_object_destroy+0x2b0/0x2b0
[  422.450533]  ? lock_pi_update_atomic+0x150/0x150
[  422.455283]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.460825]  ? lock_acquire+0x1ed/0x520
[  422.464800]  ? ext4_filemap_fault+0x7a/0xad
[  422.469142]  ? lock_release+0xa00/0xa00
[  422.473134]  ? perf_trace_sched_process_exec+0x860/0x860
[  422.478581]  ? print_usage_bug+0xc0/0xc0
[  422.482637]  ? print_usage_bug+0xc0/0xc0
[  422.486754]  ? down_read+0x8d/0x120
[  422.490382]  ? ext4_filemap_fault+0x7a/0xad
[  422.494715]  ? __down_interruptible+0x700/0x700
[  422.499415]  ext4_filemap_fault+0x82/0xad
[  422.503564]  __do_fault+0x100/0x6b0
[  422.507206]  ? pmd_devmap_trans_unstable+0x220/0x220
[  422.512332]  ? mark_held_locks+0x130/0x130
[  422.516562]  ? mark_held_locks+0x130/0x130
[  422.520789]  ? __might_fault+0x12b/0x1e0
[  422.524848]  ? lock_downgrade+0x900/0x900
[  422.528997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.534549]  __handle_mm_fault+0x3ea0/0x5be0
[  422.538975]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  422.543820]  ? _copy_to_user+0xc8/0x110
[  422.547821]  ? zap_class+0x640/0x640
[  422.551542]  ? zap_class+0x640/0x640
[  422.555246]  ? __x64_sys_futex+0x53e/0x6a0
[  422.559474]  ? find_held_lock+0x36/0x1c0
[  422.563553]  ? handle_mm_fault+0x42a/0xc70
[  422.567812]  ? lock_downgrade+0x900/0x900
[  422.571970]  ? check_preemption_disabled+0x48/0x280
[  422.576986]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  422.581940]  ? kasan_check_read+0x11/0x20
[  422.586126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.591409]  ? rcu_softirq_qs+0x20/0x20
[  422.595402]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.600538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.606085]  ? check_preemption_disabled+0x48/0x280
[  422.611288]  handle_mm_fault+0x54f/0xc70
[  422.615365]  ? __handle_mm_fault+0x5be0/0x5be0
[  422.620004]  ? find_vma+0x34/0x190
[  422.623544]  __do_page_fault+0x5e8/0xe60
[  422.627604]  ? trace_hardirqs_off+0xb8/0x310
[  422.632010]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.637554]  do_page_fault+0xf2/0x7e0
[  422.641356]  ? vmalloc_sync_all+0x30/0x30
[  422.645502]  ? error_entry+0x70/0xd0
[  422.649217]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.654234]  ? trace_hardirqs_on_caller+0xc0/0x310
[  422.659176]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.664120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.668995]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.674009]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.679475]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.684493]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.689506]  ? page_fault+0x8/0x30
[  422.693048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.697889]  ? page_fault+0x8/0x30
[  422.701432]  page_fault+0x1e/0x30
[  422.704881] RIP: 0033:0x45ddf3
[  422.708079] Code: Bad RIP value.
[  422.711443] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  422.716808] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  422.724075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  422.731340] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  422.738608] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  422.745894] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  422.753179] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  422.753246] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.760273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.760289] Workqueue: events kernfs_notify_workfn
[  422.760295] Call Trace:
[  422.760301]  <IRQ>
[  422.760318]  dump_stack+0x244/0x39d
[  422.766857] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.776148]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.781049] syz-fuzzer cpuset=/ mems_allowed=0
[  422.783638]  warn_alloc.cold.116+0xb7/0x1bd
[  422.813615]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.818524]  ? lock_downgrade+0x900/0x900
[  422.822707]  ? trace_hardirqs_off+0xb8/0x310
[  422.827136]  ? trace_hardirqs_off+0xb8/0x310
[  422.831585]  __alloc_pages_slowpath+0x2651/0x2de0
[  422.836457]  ? warn_alloc+0x120/0x120
[  422.840279]  ? print_usage_bug+0xc0/0xc0
[  422.844342]  ? warn_alloc+0x120/0x120
[  422.848158]  ? warn_alloc+0x120/0x120
[  422.851994]  ? print_usage_bug+0xc0/0xc0
[  422.856076]  ? print_usage_bug+0xc0/0xc0
[  422.860169]  ? __lock_acquire+0x62f/0x4c20
[  422.864409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.869948]  ? should_fail+0x22d/0xd01
[  422.873840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.878947]  ? __lock_acquire+0x62f/0x4c20
[  422.883188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.888297]  ? __lock_acquire+0x62f/0x4c20
[  422.892526]  ? should_fail+0x22d/0xd01
[  422.896411]  ? find_held_lock+0x36/0x1c0
[  422.900492]  ? mark_held_locks+0x130/0x130
[  422.904758]  ? mark_held_locks+0x130/0x130
[  422.908984]  ? zap_class+0x640/0x640
[  422.912695]  ? zap_class+0x640/0x640
[  422.916419]  ? print_usage_bug+0xc0/0xc0
[  422.920474]  ? do_raw_spin_unlock+0xa7/0x330
[  422.924876]  ? zap_class+0x640/0x640
[  422.928601]  ? print_usage_bug+0xc0/0xc0
[  422.932680]  ? wq_watchdog_touch+0x9c/0xfe
[  422.936922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.942467]  ? check_preemption_disabled+0x48/0x280
[  422.947510]  ? __lock_is_held+0xb5/0x140
[  422.951580]  __alloc_pages_nodemask+0xad8/0xea0
[  422.956253]  ? zap_class+0x640/0x640
[  422.959974]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  422.965005]  ? find_held_lock+0x36/0x1c0
[  422.969082]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.973757]  ? lock_downgrade+0x900/0x900
[  422.977913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.983459]  cache_grow_begin+0xa5/0x8c0
[  422.987525]  ? do_raw_spin_unlock+0xa7/0x330
[  422.991949]  fallback_alloc+0x204/0x2e0
[  422.995936]  ____cache_alloc_node+0x1c7/0x1e0
[  423.000443]  kmem_cache_alloc_node+0xe3/0x730
[  423.004948]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.009197]  __alloc_skb+0x119/0x770
[  423.012910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.018199]  ? netdev_alloc_frag+0x1f0/0x1f0
[  423.022609]  ? lock_downgrade+0x900/0x900
[  423.026769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.032308]  ? refcount_sub_and_test_checked+0x203/0x310
[  423.037765]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  423.043230]  ? addrconf_rs_timer+0x690/0x690
[  423.047656]  ndisc_alloc_skb+0x144/0x340
[  423.051775]  ndisc_send_rs+0x331/0x6e0
[  423.055690]  addrconf_rs_timer+0x314/0x690
[  423.059956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.064220]  call_timer_fn+0x272/0x920
[  423.068111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.072348]  ? process_timeout+0x40/0x40
[  423.076420]  ? mark_held_locks+0xc7/0x130
[  423.080574]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.085066]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.089560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.093794]  ? lockdep_hardirqs_on+0x296/0x5b0
[  423.098383]  ? trace_hardirqs_on+0xbd/0x310
[  423.102705]  ? kasan_check_read+0x11/0x20
[  423.106851]  ? __run_timers+0x7da/0xc70
[  423.110831]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.115957]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.120198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  423.124426]  __run_timers+0x7e5/0xc70
[  423.128231]  ? timer_fixup_init+0x70/0x70
[  423.132373]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  423.137407]  ? zap_class+0x640/0x640
[  423.141129]  ? print_usage_bug+0xc0/0xc0
[  423.145187]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  423.150392]  ? find_held_lock+0x36/0x1c0
[  423.154469]  ? zap_class+0x640/0x640
[  423.158186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.163724]  ? check_preemption_disabled+0x48/0x280
[  423.168743]  ? __lock_is_held+0xb5/0x140
[  423.172830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.178415]  ? check_preemption_disabled+0x48/0x280
[  423.183453]  run_timer_softirq+0x52/0xb0
[  423.187514]  ? rcu_read_lock_sched_held+0x14f/0x180
[  423.192527]  __do_softirq+0x308/0xb7e
[  423.196330]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  423.200817]  ? lock_downgrade+0x900/0x900
[  423.204981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  423.210088]  ? pvclock_read_flags+0x160/0x160
[  423.214597]  ? lapic_next_event+0x5a/0x90
[  423.218746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.224282]  ? kvm_clock_read+0x18/0x30
[  423.228252]  ? kvm_sched_clock_read+0x9/0x20
[  423.232658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.238203]  ? check_preemption_disabled+0x48/0x280
[  423.243219]  irq_exit+0x17f/0x1c0
[  423.246689]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.251533]  ? smp_reschedule_interrupt+0x109/0x650
[  423.256564]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.262448]  ? interrupt_entry+0xb5/0xc0
[  423.266516]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.271548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.276568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.281414]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.286434]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.291450]  ? task_prio+0x50/0x50
[  423.294991]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.300532]  ? check_preemption_disabled+0x48/0x280
[  423.305569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.310446]  apic_timer_interrupt+0xf/0x20
[  423.314685]  </IRQ>
[  423.316930] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  423.321601] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  423.340509] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.348241] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  423.355532] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  423.362803] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  423.370082] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  423.377370] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  423.384718]  ? mark_held_locks+0x130/0x130
[  423.388962]  ? kernfs_notify_workfn+0xf0/0x440
[  423.393579]  ? mark_held_locks+0x130/0x130
[  423.397834]  ? set_next_entity+0x493/0xc70
[  423.402077]  ? mutex_trylock+0x2b0/0x2b0
[  423.406141]  ? update_load_avg+0x2470/0x2470
[  423.410567]  ? zap_class+0x640/0x640
[  423.414310]  ? zap_class+0x640/0x640
[  423.418033]  ? print_usage_bug+0xc0/0xc0
[  423.422117]  ? find_held_lock+0x36/0x1c0
[  423.426193]  ? mark_held_locks+0xc7/0x130
[  423.430364]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.434861]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.439361]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.443974]  ? trace_hardirqs_on+0xbd/0x310
[  423.448314]  ? kasan_check_read+0x11/0x20
[  423.452466]  ? kernfs_notify_workfn+0xe2/0x440
[  423.457052]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.462171]  mutex_lock_nested+0x16/0x20
[  423.466235]  ? _raw_spin_unlock_irq+0x60/0x80
[  423.470729]  ? mutex_lock_nested+0x16/0x20
[  423.474967]  kernfs_notify_workfn+0xf0/0x440
[  423.479391]  process_one_work+0xc90/0x1c40
[  423.483629]  ? mark_held_locks+0x130/0x130
[  423.487879]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  423.492554]  ? __switch_to_asm+0x40/0x70
[  423.496616]  ? __switch_to_asm+0x34/0x70
[  423.500682]  ? __switch_to_asm+0x40/0x70
[  423.504765]  ? __switch_to_asm+0x34/0x70
[  423.508826]  ? __switch_to_asm+0x40/0x70
[  423.512892]  ? __switch_to_asm+0x34/0x70
[  423.516956]  ? __switch_to_asm+0x40/0x70
[  423.521036]  ? __switch_to_asm+0x34/0x70
[  423.525109]  ? __switch_to_asm+0x40/0x70
[  423.529215]  ? __schedule+0x8d7/0x21d0
[  423.533114]  ? lock_downgrade+0x900/0x900
[  423.537264]  ? zap_class+0x640/0x640
[  423.540979]  ? zap_class+0x640/0x640
[  423.544706]  ? find_held_lock+0x36/0x1c0
[  423.548770]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.553363]  ? lock_acquire+0x1ed/0x520
[  423.557335]  ? worker_thread+0x3e0/0x1390
[  423.561489]  ? kasan_check_read+0x11/0x20
[  423.565636]  ? do_raw_spin_lock+0x14f/0x350
[  423.569963]  ? kasan_check_read+0x11/0x20
[  423.574108]  ? rwlock_bug.part.2+0x90/0x90
[  423.578338]  ? trace_hardirqs_on+0x310/0x310
[  423.582771]  worker_thread+0x17f/0x1390
[  423.586760]  ? __switch_to_asm+0x34/0x70
[  423.590836]  ? process_one_work+0x1c40/0x1c40
[  423.595354]  ? zap_class+0x640/0x640
[  423.599112]  ? __kthread_parkme+0xce/0x1a0
[  423.603362]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.608462]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.613567]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.618150]  ? trace_hardirqs_on+0xbd/0x310
[  423.622473]  ? kasan_check_read+0x11/0x20
[  423.626626]  ? __kthread_parkme+0xce/0x1a0
[  423.630864]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.635970]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.641084]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.646199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.651743]  ? __kthread_parkme+0xfb/0x1a0
[  423.655977]  ? process_one_work+0x1c40/0x1c40
[  423.660473]  kthread+0x35a/0x440
[  423.663852]  ? kthread_stop+0x900/0x900
[  423.667851]  ret_from_fork+0x3a/0x50
[  423.671575] warn_alloc_show_mem: 1 callbacks suppressed
[  423.671586] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  423.671588] Mem-Info:
[  423.671620] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  423.671620]  active_file:9 inactive_file:10 isolated_file:8
[  423.671620]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.671620]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  423.671620]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  423.671620]  free:13786 free_pcp:282 free_cma:0
[  423.676966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.683985] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.686382] Call Trace:
[  423.719345] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  423.728698]  <IRQ>
[  423.756556] lowmem_reserve[]: 0 2818 6321 6321
[  423.759167]  dump_stack+0x244/0x39d
[  423.785259] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  423.787414]  ? dump_stack_print_info.cold.1+0x20/0x20
[  423.791955] lowmem_reserve[]: 0 0 3503 3503
[  423.795596]  warn_alloc.cold.116+0xb7/0x1bd
[  423.822934] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  423.828163]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.832474] lowmem_reserve[]: 0 0 0 0
[  423.836837]  ? lock_downgrade+0x900/0x900
[  423.865710] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  423.870576]  ? trace_hardirqs_off+0xb8/0x310
[  423.874343] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  423.878487]  ? trace_hardirqs_off+0xb8/0x310
[  423.891994] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  423.896414]  __alloc_pages_slowpath+0x2651/0x2de0
[  423.911571] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  423.916003]  ? warn_alloc+0x120/0x120
[  423.931002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  423.935843]  ? print_usage_bug+0xc0/0xc0
[  423.944656] 4366 total pagecache pages
[  423.948475]  ? warn_alloc+0x120/0x120
[  423.957034] 0 pages in swap cache
[  423.961101]  ? warn_alloc+0x120/0x120
[  423.964959] Swap cache stats: add 0, delete 0, find 0/0
[  423.968772]  ? print_usage_bug+0xc0/0xc0
[  423.972201] Free swap  = 0kB
[  423.976025]  ? print_usage_bug+0xc0/0xc0
[  423.981361] Total swap = 0kB
[  423.985421]  ? __lock_acquire+0x62f/0x4c20
[  423.988413] 1965979 pages RAM
[  423.992476]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.995467] 0 pages HighMem/MovableOnly
[  423.999701]  ? should_fail+0x22d/0xd01
[  424.002785] 342854 pages reserved
[  424.008324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.012270] 0 pages cma reserved
[  424.016155]  ? __lock_acquire+0x62f/0x4c20
[  424.019638] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  424.024704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.028107] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.032278]  ? __lock_acquire+0x62f/0x4c20
[  424.038751] kworker/0:2 cpuset=/ mems_allowed=0
[  424.043855]  ? should_fail+0x22d/0xd01
[  424.067012]  ? find_held_lock+0x36/0x1c0
[  424.071078]  ? mark_held_locks+0x130/0x130
[  424.075330]  ? mark_held_locks+0x130/0x130
[  424.079565]  ? zap_class+0x640/0x640
[  424.083278]  ? zap_class+0x640/0x640
[  424.086993]  ? print_usage_bug+0xc0/0xc0
[  424.091049]  ? do_raw_spin_unlock+0xa7/0x330
[  424.095460]  ? zap_class+0x640/0x640
[  424.099178]  ? print_usage_bug+0xc0/0xc0
[  424.103247]  ? wq_watchdog_touch+0x9c/0xfe
[  424.107483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.113022]  ? check_preemption_disabled+0x48/0x280
[  424.118046]  ? __lock_is_held+0xb5/0x140
[  424.122114]  __alloc_pages_nodemask+0xad8/0xea0
[  424.126782]  ? zap_class+0x640/0x640
[  424.130522]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  424.135549]  ? find_held_lock+0x36/0x1c0
[  424.139620]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.144289]  ? lock_downgrade+0x900/0x900
[  424.148447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.153988]  cache_grow_begin+0xa5/0x8c0
[  424.158045]  ? do_raw_spin_unlock+0xa7/0x330
[  424.162460]  fallback_alloc+0x204/0x2e0
[  424.166448]  ____cache_alloc_node+0x1c7/0x1e0
[  424.170948]  kmem_cache_alloc_node+0xe3/0x730
[  424.175449]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.179699]  __alloc_skb+0x119/0x770
[  424.183415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.188706]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.193117]  ? lock_downgrade+0x900/0x900
[  424.197273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.202827]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.208296]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.213750]  ? addrconf_rs_timer+0x690/0x690
[  424.218168]  ndisc_alloc_skb+0x144/0x340
[  424.222233]  ndisc_send_rs+0x331/0x6e0
[  424.226121]  addrconf_rs_timer+0x314/0x690
[  424.230361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.234603]  call_timer_fn+0x272/0x920
[  424.238492]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.242728]  ? process_timeout+0x40/0x40
[  424.246813]  ? mark_held_locks+0xc7/0x130
[  424.250972]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.255464]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.259954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.264198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.268788]  ? trace_hardirqs_on+0xbd/0x310
[  424.273108]  ? kasan_check_read+0x11/0x20
[  424.277272]  ? __run_timers+0x7da/0xc70
[  424.281247]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.286358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.290613]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.294874]  __run_timers+0x7e5/0xc70
[  424.298702]  ? timer_fixup_init+0x70/0x70
[  424.302855]  ? kasan_check_read+0x11/0x20
[  424.307004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.312282]  ? rcu_softirq_qs+0x20/0x20
[  424.316265]  ? mark_held_locks+0xc7/0x130
[  424.320420]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.325184]  ? retint_kernel+0x2d/0x2d
[  424.329088]  ? trace_hardirqs_on_caller+0xc0/0x310
[  424.334021]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.338791]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.344252]  ? zap_class+0x640/0x640
[  424.347992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.353531]  ? check_preemption_disabled+0x48/0x280
[  424.358559]  ? __lock_is_held+0xb5/0x140
[  424.362659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.368210]  ? check_preemption_disabled+0x48/0x280
[  424.373267]  run_timer_softirq+0x52/0xb0
[  424.377342]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.382357]  __do_softirq+0x308/0xb7e
[  424.386158]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.390650]  ? lock_downgrade+0x900/0x900
[  424.394827]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.399940]  ? pvclock_read_flags+0x160/0x160
[  424.404446]  ? lapic_next_event+0x5a/0x90
[  424.408595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.414139]  ? kvm_clock_read+0x18/0x30
[  424.418123]  ? kvm_sched_clock_read+0x9/0x20
[  424.422529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.428083]  ? check_preemption_disabled+0x48/0x280
[  424.433102]  irq_exit+0x17f/0x1c0
[  424.436551]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.441387]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.447275]  ? interrupt_entry+0xb5/0xc0
[  424.451330]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.456354]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.461436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.466275]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.471289]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.476300]  ? task_prio+0x50/0x50
[  424.479835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.485370]  ? check_preemption_disabled+0x48/0x280
[  424.490393]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.495248]  apic_timer_interrupt+0xf/0x20
[  424.499479]  </IRQ>
[  424.501722] RIP: 0010:dump_stack+0x358/0x39d
[  424.506129] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  424.525024] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  424.532732] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  424.539995] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  424.547261] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  424.554521] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  424.561783] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  424.569063]  ? dump_stack+0x34f/0x39d
[  424.572875]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.578066]  ? mark_held_locks+0x130/0x130
[  424.582316]  ? mark_held_locks+0x130/0x130
[  424.586552]  dump_header+0x27b/0xf72
[  424.590274]  ? pagefault_out_of_memory+0x197/0x197
[  424.595213]  ? __lock_acquire+0x62f/0x4c20
[  424.599452]  ? percpu_ref_get_many+0x240/0x240
[  424.604033]  ? print_usage_bug+0xc0/0xc0
[  424.608108]  ? zap_class+0x640/0x640
[  424.612081]  ? print_usage_bug+0xc0/0xc0
[  424.616133]  ? print_usage_bug+0xc0/0xc0
[  424.620187]  ? zap_class+0x640/0x640
[  424.623924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.629459]  ? find_held_lock+0x36/0x1c0
[  424.633528]  ? mark_held_locks+0xc7/0x130
[  424.637694]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.642810]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.647943]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.652537]  ? trace_hardirqs_on+0xbd/0x310
[  424.656852]  ? kasan_check_read+0x11/0x20
[  424.660995]  ? ___ratelimit+0x3b4/0x672
[  424.664962]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.670058]  ? trace_hardirqs_on+0x310/0x310
[  424.674496]  ? lock_downgrade+0x900/0x900
[  424.678659]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.683794]  ? ___ratelimit+0x3b9/0x672
[  424.687766]  ? idr_get_free+0xf70/0xf70
[  424.691742]  ? find_held_lock+0x36/0x1c0
[  424.695805]  oom_kill_process.cold.27+0x10/0x903
[  424.700573]  ? zap_class+0x640/0x640
[  424.704285]  ? check_preemption_disabled+0x48/0x280
[  424.709302]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.714227]  ? kasan_check_read+0x11/0x20
[  424.718383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.723654]  ? oom_evaluate_task+0x540/0x540
[  424.728066]  ? find_held_lock+0x36/0x1c0
[  424.732146]  ? out_of_memory+0x974/0x1430
[  424.736322]  ? lock_downgrade+0x900/0x900
[  424.740482]  ? check_preemption_disabled+0x48/0x280
[  424.745501]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.750442]  ? kasan_check_read+0x11/0x20
[  424.754612]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.759898]  ? rcu_softirq_qs+0x20/0x20
[  424.763893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.769434]  ? oom_evaluate_task+0x302/0x540
[  424.773843]  out_of_memory+0xa84/0x1430
[  424.777820]  ? oom_killer_disable+0x3a0/0x3a0
[  424.782309]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  424.787242]  ? __ww_mutex_check_waiters+0x160/0x160
[  424.792271]  __alloc_pages_slowpath+0x232c/0x2de0
[  424.797143]  ? warn_alloc+0x120/0x120
[  424.800946]  ? mark_held_locks+0x130/0x130
[  424.805201]  ? find_get_entry+0xaae/0x1120
[  424.809474]  ? filemap_map_pages+0x1a20/0x1a20
[  424.814062]  ? zap_class+0x640/0x640
[  424.817827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.823382]  ? check_preemption_disabled+0x48/0x280
[  424.828411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.833954]  ? should_fail+0x22d/0xd01
[  424.837842]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.843008]  ? zap_class+0x640/0x640
[  424.846770]  ? __lock_is_held+0xb5/0x140
[  424.850837]  ? mark_held_locks+0x130/0x130
[  424.855077]  ? lock_release+0xa00/0xa00
[  424.859066]  ? perf_trace_sched_process_exec+0x860/0x860
[  424.864518]  ? xa_load+0x2ba/0x460
[  424.868062]  ? lock_downgrade+0x900/0x900
[  424.872220]  ? __might_sleep+0x95/0x190
[  424.876201]  __alloc_pages_nodemask+0xad8/0xea0
[  424.880880]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  424.885897]  ? __page_cache_alloc+0x191/0x5c0
[  424.890408]  ? xa_load+0x2e1/0x460
[  424.893956]  ? xa_clear_mark+0x40/0x40
[  424.897860]  ? zap_class+0x640/0x640
[  424.901582]  ? zap_class+0x640/0x640
[  424.905298]  ? zap_class+0x640/0x640
[  424.909026]  ? __do_page_cache_readahead+0x663/0x810
[  424.914135]  ? find_held_lock+0x36/0x1c0
[  424.918239]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  424.923781]  alloc_pages_current+0x173/0x350
[  424.928208]  __page_cache_alloc+0x38c/0x5c0
[  424.932527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.937459]  ? kasan_check_read+0x11/0x20
[  424.941611]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.946909]  ? generic_perform_write+0x6a0/0x6a0
[  424.951702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.957250]  ? check_preemption_disabled+0x48/0x280
[  424.962287]  filemap_fault+0x1595/0x25f0
[  424.966360]  ? __lock_page_or_retry+0xa00/0xa00
[  424.971044]  ? mark_held_locks+0x130/0x130
[  424.975285]  ? filemap_map_pages+0xd6b/0x1a20
[  424.979790]  ? lock_downgrade+0x900/0x900
[  424.983930]  ? check_preemption_disabled+0x48/0x280
[  424.988946]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  424.993886]  ? kasan_check_read+0x11/0x20
[  424.998041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.003313]  ? rcu_softirq_qs+0x20/0x20
[  425.007296]  ? filemap_map_pages+0xd92/0x1a20
[  425.011901]  ? find_get_entries_tag+0x1400/0x1400
[  425.016748]  ? debug_object_destroy+0x2b0/0x2b0
[  425.021420]  ? lock_pi_update_atomic+0x150/0x150
[  425.026178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.031760]  ? lock_acquire+0x1ed/0x520
[  425.035741]  ? ext4_filemap_fault+0x7a/0xad
[  425.040069]  ? lock_release+0xa00/0xa00
[  425.044035]  ? perf_trace_sched_process_exec+0x860/0x860
[  425.049508]  ? print_usage_bug+0xc0/0xc0
[  425.053563]  ? print_usage_bug+0xc0/0xc0
[  425.057637]  ? down_read+0x8d/0x120
[  425.061280]  ? ext4_filemap_fault+0x7a/0xad
[  425.065629]  ? __down_interruptible+0x700/0x700
[  425.070323]  ext4_filemap_fault+0x82/0xad
[  425.074467]  __do_fault+0x100/0x6b0
[  425.078110]  ? pmd_devmap_trans_unstable+0x220/0x220
[  425.083212]  ? mark_held_locks+0x130/0x130
[  425.087448]  ? mark_held_locks+0x130/0x130
[  425.091698]  ? __might_fault+0x12b/0x1e0
[  425.095853]  ? lock_downgrade+0x900/0x900
[  425.100019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.105557]  __handle_mm_fault+0x3ea0/0x5be0
[  425.109997]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  425.114843]  ? _copy_to_user+0xc8/0x110
[  425.118851]  ? zap_class+0x640/0x640
[  425.122562]  ? zap_class+0x640/0x640
[  425.126270]  ? __x64_sys_futex+0x53e/0x6a0
[  425.130509]  ? find_held_lock+0x36/0x1c0
[  425.134576]  ? handle_mm_fault+0x42a/0xc70
[  425.138820]  ? lock_downgrade+0x900/0x900
[  425.142967]  ? check_preemption_disabled+0x48/0x280
[  425.147985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.152916]  ? kasan_check_read+0x11/0x20
[  425.157077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.162392]  ? rcu_softirq_qs+0x20/0x20
[  425.166380]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.171505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.177047]  ? check_preemption_disabled+0x48/0x280
[  425.182070]  handle_mm_fault+0x54f/0xc70
[  425.186135]  ? __handle_mm_fault+0x5be0/0x5be0
[  425.190724]  ? find_vma+0x34/0x190
[  425.194282]  __do_page_fault+0x5e8/0xe60
[  425.198342]  ? trace_hardirqs_off+0xb8/0x310
[  425.202748]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.208294]  do_page_fault+0xf2/0x7e0
[  425.212095]  ? vmalloc_sync_all+0x30/0x30
[  425.216237]  ? error_entry+0x70/0xd0
[  425.219948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.224965]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.229904]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.234837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.239699]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.244744]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.250191]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.255232]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.260244]  ? page_fault+0x8/0x30
[  425.263785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.268625]  ? page_fault+0x8/0x30
[  425.272254]  page_fault+0x1e/0x30
[  425.275702] RIP: 0033:0x45ddf3
[  425.278900] Code: Bad RIP value.
[  425.282254] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  425.287609] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  425.294869] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  425.302155] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  425.309452] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  425.316713] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  425.324024] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  425.324086] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  425.331117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.331134] Workqueue: events kernfs_notify_workfn
[  425.331140] Call Trace:
[  425.331151]  <IRQ>
[  425.337688] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  425.346971]  dump_stack+0x244/0x39d
[  425.351885] syz-fuzzer cpuset=/ mems_allowed=0
[  425.354479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.380249]  warn_alloc.cold.116+0xb7/0x1bd
[  425.384578]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.389429]  ? lock_downgrade+0x900/0x900
[  425.393614]  ? trace_hardirqs_off+0xb8/0x310
[  425.398033]  ? trace_hardirqs_off+0xb8/0x310
[  425.402478]  __alloc_pages_slowpath+0x2651/0x2de0
[  425.407352]  ? warn_alloc+0x120/0x120
[  425.411161]  ? print_usage_bug+0xc0/0xc0
[  425.415227]  ? warn_alloc+0x120/0x120
[  425.419034]  ? warn_alloc+0x120/0x120
[  425.422836]  ? print_usage_bug+0xc0/0xc0
[  425.426904]  ? print_usage_bug+0xc0/0xc0
[  425.430975]  ? __lock_acquire+0x62f/0x4c20
[  425.435216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.440757]  ? should_fail+0x22d/0xd01
[  425.444656]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.449775]  ? __lock_acquire+0x62f/0x4c20
[  425.454032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.459134]  ? __lock_acquire+0x62f/0x4c20
[  425.463379]  ? should_fail+0x22d/0xd01
[  425.467267]  ? find_held_lock+0x36/0x1c0
[  425.471342]  ? mark_held_locks+0x130/0x130
[  425.475595]  ? mark_held_locks+0x130/0x130
[  425.479826]  ? zap_class+0x640/0x640
[  425.483538]  ? zap_class+0x640/0x640
[  425.487279]  ? print_usage_bug+0xc0/0xc0
[  425.491340]  ? do_raw_spin_unlock+0xa7/0x330
[  425.495764]  ? zap_class+0x640/0x640
[  425.499492]  ? print_usage_bug+0xc0/0xc0
[  425.503571]  ? wq_watchdog_touch+0x9c/0xfe
[  425.507804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.513355]  ? check_preemption_disabled+0x48/0x280
[  425.518391]  ? __lock_is_held+0xb5/0x140
[  425.522489]  __alloc_pages_nodemask+0xad8/0xea0
[  425.527174]  ? zap_class+0x640/0x640
[  425.530907]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  425.535969]  ? find_held_lock+0x36/0x1c0
[  425.540037]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.544707]  ? lock_downgrade+0x900/0x900
[  425.548862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.554402]  cache_grow_begin+0xa5/0x8c0
[  425.558472]  ? do_raw_spin_unlock+0xa7/0x330
[  425.562889]  fallback_alloc+0x204/0x2e0
[  425.566911]  ____cache_alloc_node+0x1c7/0x1e0
[  425.571429]  kmem_cache_alloc_node+0xe3/0x730
[  425.575923]  ? ipv6_get_ifaddr+0x42e/0x620
[  425.580219]  __alloc_skb+0x119/0x770
[  425.583965]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.589275]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.593700]  ? lock_downgrade+0x900/0x900
[  425.597881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.603412]  ? refcount_sub_and_test_checked+0x203/0x310
[  425.608863]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  425.614491]  ? addrconf_rs_timer+0x690/0x690
[  425.618921]  ndisc_alloc_skb+0x144/0x340
[  425.623000]  ndisc_send_rs+0x331/0x6e0
[  425.626886]  addrconf_rs_timer+0x314/0x690
[  425.631168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.635408]  call_timer_fn+0x272/0x920
[  425.639291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.643525]  ? process_timeout+0x40/0x40
[  425.647642]  ? mark_held_locks+0xc7/0x130
[  425.651821]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.656325]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.660815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.665044]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.669621]  ? trace_hardirqs_on+0xbd/0x310
[  425.673941]  ? kasan_check_read+0x11/0x20
[  425.678095]  ? __run_timers+0x7da/0xc70
[  425.682082]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.687201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.691438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  425.695674]  __run_timers+0x7e5/0xc70
[  425.699497]  ? timer_fixup_init+0x70/0x70
[  425.703640]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.708682]  ? zap_class+0x640/0x640
[  425.712399]  ? print_usage_bug+0xc0/0xc0
[  425.716457]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.721651]  ? find_held_lock+0x36/0x1c0
[  425.725728]  ? zap_class+0x640/0x640
[  425.729440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.734974]  ? check_preemption_disabled+0x48/0x280
[  425.740042]  ? __lock_is_held+0xb5/0x140
[  425.744244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.749797]  ? check_preemption_disabled+0x48/0x280
[  425.754817]  run_timer_softirq+0x52/0xb0
[  425.758879]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.763892]  __do_softirq+0x308/0xb7e
[  425.767714]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.772235]  ? lock_downgrade+0x900/0x900
[  425.776402]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.781516]  ? pvclock_read_flags+0x160/0x160
[  425.786033]  ? lapic_next_event+0x5a/0x90
[  425.790188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.795766]  ? kvm_clock_read+0x18/0x30
[  425.799743]  ? kvm_sched_clock_read+0x9/0x20
[  425.804166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.809718]  ? check_preemption_disabled+0x48/0x280
[  425.814750]  irq_exit+0x17f/0x1c0
[  425.818212]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.823059]  ? smp_reschedule_interrupt+0x109/0x650
[  425.828082]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.833970]  ? interrupt_entry+0xb5/0xc0
[  425.838057]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.843073]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.848095]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.852958]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.857999]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.863054]  ? task_prio+0x50/0x50
[  425.866599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.872141]  ? check_preemption_disabled+0x48/0x280
[  425.877168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.882022]  apic_timer_interrupt+0xf/0x20
[  425.886264]  </IRQ>
[  425.888522] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  425.893192] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  425.912136] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  425.919858] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  425.927126] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  425.934393] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  425.941662] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  425.948942] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  425.956294]  ? mark_held_locks+0x130/0x130
[  425.960547]  ? kernfs_notify_workfn+0xf0/0x440
[  425.965145]  ? mark_held_locks+0x130/0x130
[  425.969393]  ? set_next_entity+0x493/0xc70
[  425.973632]  ? mutex_trylock+0x2b0/0x2b0
[  425.977700]  ? update_load_avg+0x2470/0x2470
[  425.982118]  ? zap_class+0x640/0x640
[  425.985839]  ? zap_class+0x640/0x640
[  425.989552]  ? print_usage_bug+0xc0/0xc0
[  425.993627]  ? find_held_lock+0x36/0x1c0
[  425.997701]  ? mark_held_locks+0xc7/0x130
[  426.001851]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.006349]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.010853]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.015437]  ? trace_hardirqs_on+0xbd/0x310
[  426.019786]  ? kasan_check_read+0x11/0x20
[  426.023945]  ? kernfs_notify_workfn+0xe2/0x440
[  426.028546]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.033674]  mutex_lock_nested+0x16/0x20
[  426.037750]  ? _raw_spin_unlock_irq+0x60/0x80
[  426.042246]  ? mutex_lock_nested+0x16/0x20
[  426.046483]  kernfs_notify_workfn+0xf0/0x440
[  426.050896]  process_one_work+0xc90/0x1c40
[  426.055147]  ? mark_held_locks+0x130/0x130
[  426.059414]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  426.064083]  ? __switch_to_asm+0x40/0x70
[  426.068157]  ? __switch_to_asm+0x34/0x70
[  426.072221]  ? __switch_to_asm+0x40/0x70
[  426.076283]  ? __switch_to_asm+0x34/0x70
[  426.080359]  ? __switch_to_asm+0x40/0x70
[  426.084446]  ? __switch_to_asm+0x34/0x70
[  426.088505]  ? __switch_to_asm+0x40/0x70
[  426.092582]  ? __switch_to_asm+0x34/0x70
[  426.096637]  ? __switch_to_asm+0x40/0x70
[  426.100827]  ? __schedule+0x8d7/0x21d0
[  426.104728]  ? lock_downgrade+0x900/0x900
[  426.108883]  ? zap_class+0x640/0x640
[  426.112617]  ? zap_class+0x640/0x640
[  426.116342]  ? find_held_lock+0x36/0x1c0
[  426.120409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.125005]  ? lock_acquire+0x1ed/0x520
[  426.128980]  ? worker_thread+0x3e0/0x1390
[  426.133140]  ? kasan_check_read+0x11/0x20
[  426.137286]  ? do_raw_spin_lock+0x14f/0x350
[  426.141607]  ? kasan_check_read+0x11/0x20
[  426.145759]  ? rwlock_bug.part.2+0x90/0x90
[  426.150003]  ? trace_hardirqs_on+0x310/0x310
[  426.154427]  worker_thread+0x17f/0x1390
[  426.158404]  ? __switch_to_asm+0x34/0x70
[  426.162478]  ? process_one_work+0x1c40/0x1c40
[  426.166982]  ? zap_class+0x640/0x640
[  426.170732]  ? __kthread_parkme+0xce/0x1a0
[  426.174970]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.180077]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.185189]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.189773]  ? trace_hardirqs_on+0xbd/0x310
[  426.194097]  ? kasan_check_read+0x11/0x20
[  426.198249]  ? __kthread_parkme+0xce/0x1a0
[  426.202484]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.207592]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.212720]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.217824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.223365]  ? __kthread_parkme+0xfb/0x1a0
[  426.227633]  ? process_one_work+0x1c40/0x1c40
[  426.232148]  kthread+0x35a/0x440
[  426.235527]  ? kthread_stop+0x900/0x900
[  426.239507]  ret_from_fork+0x3a/0x50
[  426.243244] warn_alloc_show_mem: 1 callbacks suppressed
[  426.243255] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  426.243257] Mem-Info:
[  426.243286] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  426.243286]  active_file:9 inactive_file:10 isolated_file:8
[  426.243286]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.243286]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  426.243286]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  426.243286]  free:13786 free_pcp:282 free_cma:0
[  426.248624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.255661] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.258065] Call Trace:
[  426.291025] 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
[  426.300373]  <IRQ>
[  426.328218] lowmem_reserve[]: 0 2818 6321 6321
[  426.330826]  dump_stack+0x244/0x39d
[  426.356958] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  426.359118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.363673] lowmem_reserve[]: 0 0 3503 3503
[  426.367316]  warn_alloc.cold.116+0xb7/0x1bd
[  426.394635] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  426.399839]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.404139] lowmem_reserve[]: 0 0 0 0
[  426.408476]  ? lock_downgrade+0x900/0x900
[  426.437349] 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
[  426.442200]  ? trace_hardirqs_off+0xb8/0x310
[  426.445968] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  426.450121]  ? trace_hardirqs_off+0xb8/0x310
[  426.463638] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  426.468061]  __alloc_pages_slowpath+0x2651/0x2de0
[  426.483211] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.487637]  ? warn_alloc+0x120/0x120
[  426.502624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.507467]  ? print_usage_bug+0xc0/0xc0
[  426.516276] 4366 total pagecache pages
[  426.520088]  ? warn_alloc+0x120/0x120
[  426.528696] 0 pages in swap cache
[  426.532755]  ? warn_alloc+0x120/0x120
[  426.536621] Swap cache stats: add 0, delete 0, find 0/0
[  426.540411]  ? print_usage_bug+0xc0/0xc0
[  426.543836] Free swap  = 0kB
[  426.547630]  ? print_usage_bug+0xc0/0xc0
[  426.552972] Total swap = 0kB
[  426.557076]  ? __lock_acquire+0x62f/0x4c20
[  426.560064] 1965979 pages RAM
[  426.564124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.567141] 0 pages HighMem/MovableOnly
[  426.571368]  ? should_fail+0x22d/0xd01
[  426.574447] 342854 pages reserved
[  426.579979]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.583924] 0 pages cma reserved
[  426.587815]  ? __lock_acquire+0x62f/0x4c20
[  426.591312] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.596334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.599815] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.603928]  ? __lock_acquire+0x62f/0x4c20
[  426.610852] kworker/0:2 cpuset=/ mems_allowed=0
[  426.615950]  ? should_fail+0x22d/0xd01
[  426.639026]  ? find_held_lock+0x36/0x1c0
[  426.643110]  ? mark_held_locks+0x130/0x130
[  426.647351]  ? mark_held_locks+0x130/0x130
[  426.651596]  ? zap_class+0x640/0x640
[  426.655307]  ? zap_class+0x640/0x640
[  426.659022]  ? print_usage_bug+0xc0/0xc0
[  426.663084]  ? do_raw_spin_unlock+0xa7/0x330
[  426.667494]  ? zap_class+0x640/0x640
[  426.671222]  ? print_usage_bug+0xc0/0xc0
[  426.675281]  ? wq_watchdog_touch+0x9c/0xfe
[  426.679520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.685059]  ? check_preemption_disabled+0x48/0x280
[  426.690084]  ? __lock_is_held+0xb5/0x140
[  426.694150]  __alloc_pages_nodemask+0xad8/0xea0
[  426.698818]  ? zap_class+0x640/0x640
[  426.702547]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  426.707571]  ? find_held_lock+0x36/0x1c0
[  426.711643]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.716333]  ? lock_downgrade+0x900/0x900
[  426.720488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.726030]  cache_grow_begin+0xa5/0x8c0
[  426.730091]  ? do_raw_spin_unlock+0xa7/0x330
[  426.734505]  fallback_alloc+0x204/0x2e0
[  426.738481]  ____cache_alloc_node+0x1c7/0x1e0
[  426.742985]  kmem_cache_alloc_node+0xe3/0x730
[  426.747485]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.751760]  __alloc_skb+0x119/0x770
[  426.755500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.760822]  ? netdev_alloc_frag+0x1f0/0x1f0
[  426.765235]  ? lock_downgrade+0x900/0x900
[  426.769390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.774925]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.780384]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.785852]  ? addrconf_rs_timer+0x690/0x690
[  426.790276]  ndisc_alloc_skb+0x144/0x340
[  426.794344]  ndisc_send_rs+0x331/0x6e0
[  426.798266]  addrconf_rs_timer+0x314/0x690
[  426.802507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.806755]  call_timer_fn+0x272/0x920
[  426.810645]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.814904]  ? process_timeout+0x40/0x40
[  426.818978]  ? mark_held_locks+0xc7/0x130
[  426.823130]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.827661]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.832179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.836456]  ? lockdep_hardirqs_on+0x296/0x5b0
[  426.841041]  ? trace_hardirqs_on+0xbd/0x310
[  426.845368]  ? kasan_check_read+0x11/0x20
[  426.849523]  ? __run_timers+0x7da/0xc70
[  426.853497]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.858614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.862864]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.867093]  __run_timers+0x7e5/0xc70
[  426.870900]  ? timer_fixup_init+0x70/0x70
[  426.875041]  ? kasan_check_read+0x11/0x20
[  426.879197]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.884467]  ? rcu_softirq_qs+0x20/0x20
[  426.888448]  ? mark_held_locks+0xc7/0x130
[  426.892608]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.897379]  ? retint_kernel+0x2d/0x2d
[  426.901274]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.906219]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  426.911021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.916478]  ? zap_class+0x640/0x640
[  426.920195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.925735]  ? check_preemption_disabled+0x48/0x280
[  426.930756]  ? __lock_is_held+0xb5/0x140
[  426.934818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.940367]  ? check_preemption_disabled+0x48/0x280
[  426.945389]  run_timer_softirq+0x52/0xb0
[  426.949455]  ? rcu_read_lock_sched_held+0x14f/0x180
[  426.954473]  __do_softirq+0x308/0xb7e
[  426.958278]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  426.962818]  ? lock_downgrade+0x900/0x900
[  426.966973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  426.972087]  ? pvclock_read_flags+0x160/0x160
[  426.976590]  ? lapic_next_event+0x5a/0x90
[  426.980782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.986330]  ? kvm_clock_read+0x18/0x30
[  426.990311]  ? kvm_sched_clock_read+0x9/0x20
[  426.994723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.000263]  ? check_preemption_disabled+0x48/0x280
[  427.005293]  irq_exit+0x17f/0x1c0
[  427.008839]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.013691]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.019581]  ? interrupt_entry+0xb5/0xc0
[  427.023644]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.028691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.033720]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.038576]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.043601]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.048636]  ? task_prio+0x50/0x50
[  427.052241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.057806]  ? check_preemption_disabled+0x48/0x280
[  427.062858]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.067715]  apic_timer_interrupt+0xf/0x20
[  427.071940]  </IRQ>
[  427.074183] RIP: 0010:dump_stack+0x358/0x39d
[  427.078604] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  427.097515] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  427.105227] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  427.112532] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  427.119801] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  427.127091] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  427.134360] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  427.141675]  ? dump_stack+0x34f/0x39d
[  427.145486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.150683]  ? mark_held_locks+0x130/0x130
[  427.154920]  ? mark_held_locks+0x130/0x130
[  427.159171]  dump_header+0x27b/0xf72
[  427.162928]  ? pagefault_out_of_memory+0x197/0x197
[  427.167863]  ? __lock_acquire+0x62f/0x4c20
[  427.172098]  ? percpu_ref_get_many+0x240/0x240
[  427.176694]  ? print_usage_bug+0xc0/0xc0
[  427.180764]  ? zap_class+0x640/0x640
[  427.184480]  ? print_usage_bug+0xc0/0xc0
[  427.188544]  ? print_usage_bug+0xc0/0xc0
[  427.192620]  ? zap_class+0x640/0x640
[  427.196354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.201915]  ? find_held_lock+0x36/0x1c0
[  427.206015]  ? mark_held_locks+0xc7/0x130
[  427.210171]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.215274]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.220377]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.224994]  ? trace_hardirqs_on+0xbd/0x310
[  427.229343]  ? kasan_check_read+0x11/0x20
[  427.233490]  ? ___ratelimit+0x3b4/0x672
[  427.237465]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.242571]  ? trace_hardirqs_on+0x310/0x310
[  427.246979]  ? lock_downgrade+0x900/0x900
[  427.251136]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.256256]  ? ___ratelimit+0x3b9/0x672
[  427.260242]  ? idr_get_free+0xf70/0xf70
[  427.264216]  ? find_held_lock+0x36/0x1c0
[  427.268281]  oom_kill_process.cold.27+0x10/0x903
[  427.273065]  ? zap_class+0x640/0x640
[  427.276812]  ? check_preemption_disabled+0x48/0x280
[  427.281832]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.286759]  ? kasan_check_read+0x11/0x20
[  427.290902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.296181]  ? oom_evaluate_task+0x540/0x540
[  427.300603]  ? find_held_lock+0x36/0x1c0
[  427.304679]  ? out_of_memory+0x974/0x1430
[  427.308832]  ? lock_downgrade+0x900/0x900
[  427.313023]  ? check_preemption_disabled+0x48/0x280
[  427.318054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.323027]  ? kasan_check_read+0x11/0x20
[  427.327200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.332471]  ? rcu_softirq_qs+0x20/0x20
[  427.336454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.341988]  ? oom_evaluate_task+0x302/0x540
[  427.346412]  out_of_memory+0xa84/0x1430
[  427.350402]  ? oom_killer_disable+0x3a0/0x3a0
[  427.354915]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  427.359861]  ? __ww_mutex_check_waiters+0x160/0x160
[  427.364887]  __alloc_pages_slowpath+0x232c/0x2de0
[  427.369781]  ? warn_alloc+0x120/0x120
[  427.373603]  ? mark_held_locks+0x130/0x130
[  427.377840]  ? find_get_entry+0xaae/0x1120
[  427.382113]  ? filemap_map_pages+0x1a20/0x1a20
[  427.386704]  ? zap_class+0x640/0x640
[  427.390483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.396025]  ? check_preemption_disabled+0x48/0x280
[  427.401040]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.406611]  ? should_fail+0x22d/0xd01
[  427.410504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.415608]  ? zap_class+0x640/0x640
[  427.419345]  ? __lock_is_held+0xb5/0x140
[  427.423415]  ? mark_held_locks+0x130/0x130
[  427.427700]  ? lock_release+0xa00/0xa00
[  427.431695]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.437162]  ? xa_load+0x2ba/0x460
[  427.440705]  ? lock_downgrade+0x900/0x900
[  427.444861]  ? __might_sleep+0x95/0x190
[  427.448847]  __alloc_pages_nodemask+0xad8/0xea0
[  427.453523]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  427.458541]  ? __page_cache_alloc+0x191/0x5c0
[  427.463036]  ? xa_load+0x2e1/0x460
[  427.466580]  ? xa_clear_mark+0x40/0x40
[  427.470471]  ? zap_class+0x640/0x640
[  427.474204]  ? zap_class+0x640/0x640
[  427.477946]  ? zap_class+0x640/0x640
[  427.481661]  ? __do_page_cache_readahead+0x663/0x810
[  427.486777]  ? find_held_lock+0x36/0x1c0
[  427.490839]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  427.496381]  alloc_pages_current+0x173/0x350
[  427.500795]  __page_cache_alloc+0x38c/0x5c0
[  427.505109]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.510036]  ? kasan_check_read+0x11/0x20
[  427.514184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.519463]  ? generic_perform_write+0x6a0/0x6a0
[  427.524231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.529770]  ? check_preemption_disabled+0x48/0x280
[  427.534790]  filemap_fault+0x1595/0x25f0
[  427.538859]  ? __lock_page_or_retry+0xa00/0xa00
[  427.543533]  ? mark_held_locks+0x130/0x130
[  427.547780]  ? filemap_map_pages+0xd6b/0x1a20
[  427.552273]  ? lock_downgrade+0x900/0x900
[  427.556420]  ? check_preemption_disabled+0x48/0x280
[  427.561473]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.566443]  ? kasan_check_read+0x11/0x20
[  427.570584]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.575857]  ? rcu_softirq_qs+0x20/0x20
[  427.579838]  ? filemap_map_pages+0xd92/0x1a20
[  427.584344]  ? find_get_entries_tag+0x1400/0x1400
[  427.589263]  ? debug_object_destroy+0x2b0/0x2b0
[  427.593937]  ? lock_pi_update_atomic+0x150/0x150
[  427.598697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.604271]  ? lock_acquire+0x1ed/0x520
[  427.608242]  ? ext4_filemap_fault+0x7a/0xad
[  427.612577]  ? lock_release+0xa00/0xa00
[  427.616547]  ? perf_trace_sched_process_exec+0x860/0x860
[  427.622013]  ? print_usage_bug+0xc0/0xc0
[  427.626101]  ? print_usage_bug+0xc0/0xc0
[  427.630162]  ? down_read+0x8d/0x120
[  427.633779]  ? ext4_filemap_fault+0x7a/0xad
[  427.638111]  ? __down_interruptible+0x700/0x700
[  427.642799]  ext4_filemap_fault+0x82/0xad
[  427.646965]  __do_fault+0x100/0x6b0
[  427.650590]  ? pmd_devmap_trans_unstable+0x220/0x220
[  427.655694]  ? mark_held_locks+0x130/0x130
[  427.659976]  ? mark_held_locks+0x130/0x130
[  427.664205]  ? __might_fault+0x12b/0x1e0
[  427.668264]  ? lock_downgrade+0x900/0x900
[  427.672410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.677961]  __handle_mm_fault+0x3ea0/0x5be0
[  427.682387]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  427.687246]  ? _copy_to_user+0xc8/0x110
[  427.691289]  ? zap_class+0x640/0x640
[  427.694996]  ? zap_class+0x640/0x640
[  427.698716]  ? __x64_sys_futex+0x53e/0x6a0
[  427.702967]  ? find_held_lock+0x36/0x1c0
[  427.707031]  ? handle_mm_fault+0x42a/0xc70
[  427.711264]  ? lock_downgrade+0x900/0x900
[  427.715412]  ? check_preemption_disabled+0x48/0x280
[  427.720452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  427.725376]  ? kasan_check_read+0x11/0x20
[  427.729517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.734798]  ? rcu_softirq_qs+0x20/0x20
[  427.738801]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.744358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.749896]  ? check_preemption_disabled+0x48/0x280
[  427.754935]  handle_mm_fault+0x54f/0xc70
[  427.759011]  ? __handle_mm_fault+0x5be0/0x5be0
[  427.763609]  ? find_vma+0x34/0x190
[  427.767165]  __do_page_fault+0x5e8/0xe60
[  427.771257]  ? trace_hardirqs_off+0xb8/0x310
[  427.775686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.781283]  do_page_fault+0xf2/0x7e0
[  427.785091]  ? vmalloc_sync_all+0x30/0x30
[  427.789241]  ? error_entry+0x70/0xd0
[  427.792955]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.797969]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.802899]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.807834]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.812681]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.817711]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  427.823196]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.828224]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.833240]  ? page_fault+0x8/0x30
[  427.836801]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.841644]  ? page_fault+0x8/0x30
[  427.845194]  page_fault+0x1e/0x30
[  427.848649] RIP: 0033:0x45ddf3
[  427.851869] Code: Bad RIP value.
[  427.855224] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  427.860593] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  427.867865] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  427.875137] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  427.882398] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  427.889702] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  427.897000] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  427.897079] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  427.904092] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.904107] Workqueue: events kernfs_notify_workfn
[  427.904114] Call Trace:
[  427.904127]  <IRQ>
[  427.904147]  dump_stack+0x244/0x39d
[  427.910748] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.919972]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.924874] syz-fuzzer cpuset=/ mems_allowed=0
[  427.927485]  warn_alloc.cold.116+0xb7/0x1bd
[  427.957475]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.962318]  ? lock_downgrade+0x900/0x900
[  427.966487]  ? trace_hardirqs_off+0xb8/0x310
[  427.970902]  ? trace_hardirqs_off+0xb8/0x310
[  427.975321]  __alloc_pages_slowpath+0x2651/0x2de0
[  427.980187]  ? warn_alloc+0x120/0x120
[  427.983987]  ? print_usage_bug+0xc0/0xc0
[  427.988062]  ? warn_alloc+0x120/0x120
[  427.991895]  ? warn_alloc+0x120/0x120
[  427.995715]  ? print_usage_bug+0xc0/0xc0
[  427.999773]  ? kvm_clock_read+0x18/0x30
[  428.003760]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.008783]  ? print_usage_bug+0xc0/0xc0
[  428.012846]  ? __lock_acquire+0x62f/0x4c20
[  428.017087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.022631]  ? should_fail+0x22d/0xd01
[  428.026519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.031797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.036900]  ? __lock_acquire+0x62f/0x4c20
[  428.041156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.046257]  ? __lock_acquire+0x62f/0x4c20
[  428.050492]  ? should_fail+0x22d/0xd01
[  428.054376]  ? rcu_irq_exit+0x1a2/0x390
[  428.058358]  ? mark_held_locks+0x130/0x130
[  428.062626]  ? mark_held_locks+0x130/0x130
[  428.066866]  ? mark_held_locks+0xc7/0x130
[  428.071010]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  428.076026]  ? zap_class+0x640/0x640
[  428.079738]  ? print_usage_bug+0xc0/0xc0
[  428.083803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.089344]  ? check_preemption_disabled+0x48/0x280
[  428.094379]  ? __lock_is_held+0xb5/0x140
[  428.098444]  __alloc_pages_nodemask+0xad8/0xea0
[  428.103127]  ? zap_class+0x640/0x640
[  428.106848]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  428.111870]  ? find_held_lock+0x36/0x1c0
[  428.115942]  ? ____cache_alloc_node+0x1c7/0x1e0
[  428.120610]  ? lock_downgrade+0x900/0x900
[  428.124775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.130326]  cache_grow_begin+0xa5/0x8c0
[  428.134397]  ? do_raw_spin_unlock+0xa7/0x330
[  428.138805]  fallback_alloc+0x204/0x2e0
[  428.142790]  ____cache_alloc_node+0x1c7/0x1e0
[  428.147282]  kmem_cache_alloc_node+0xe3/0x730
[  428.151773]  ? ipv6_get_ifaddr+0x42e/0x620
[  428.156032]  __alloc_skb+0x119/0x770
[  428.159743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.165029]  ? netdev_alloc_frag+0x1f0/0x1f0
[  428.169447]  ? lock_downgrade+0x900/0x900
[  428.173630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.179175]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.184626]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.190098]  ? addrconf_rs_timer+0x690/0x690
[  428.194528]  ndisc_alloc_skb+0x144/0x340
[  428.198603]  ndisc_send_rs+0x331/0x6e0
[  428.202514]  addrconf_rs_timer+0x314/0x690
[  428.206775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.211027]  call_timer_fn+0x272/0x920
[  428.214932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.219194]  ? process_timeout+0x40/0x40
[  428.223299]  ? mark_held_locks+0xc7/0x130
[  428.227460]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.231952]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.236442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.240675]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.245252]  ? trace_hardirqs_on+0xbd/0x310
[  428.249566]  ? kasan_check_read+0x11/0x20
[  428.253705]  ? __run_timers+0x7da/0xc70
[  428.257682]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.262801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.267035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.271264]  __run_timers+0x7e5/0xc70
[  428.275066]  ? timer_fixup_init+0x70/0x70
[  428.279224]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.284255]  ? zap_class+0x640/0x640
[  428.287973]  ? print_usage_bug+0xc0/0xc0
[  428.292034]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.297240]  ? find_held_lock+0x36/0x1c0
[  428.301300]  ? zap_class+0x640/0x640
[  428.305013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.310560]  ? check_preemption_disabled+0x48/0x280
[  428.315597]  ? __lock_is_held+0xb5/0x140
[  428.319678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.325242]  ? check_preemption_disabled+0x48/0x280
[  428.330258]  run_timer_softirq+0x52/0xb0
[  428.334354]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.339369]  __do_softirq+0x308/0xb7e
[  428.343184]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.347689]  ? lock_downgrade+0x900/0x900
[  428.351844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.356960]  ? pvclock_read_flags+0x160/0x160
[  428.361460]  ? lapic_next_event+0x5a/0x90
[  428.365610]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.371153]  ? kvm_clock_read+0x18/0x30
[  428.375157]  ? kvm_sched_clock_read+0x9/0x20
[  428.379564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.385105]  ? check_preemption_disabled+0x48/0x280
[  428.390125]  irq_exit+0x17f/0x1c0
[  428.393577]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.398417]  ? smp_reschedule_interrupt+0x109/0x650
[  428.403436]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.409319]  ? interrupt_entry+0xb5/0xc0
[  428.413380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.418413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.423432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.428275]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.433287]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.438325]  ? task_prio+0x50/0x50
[  428.441867]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.447404]  ? check_preemption_disabled+0x48/0x280
[  428.452426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.457272]  apic_timer_interrupt+0xf/0x20
[  428.461495]  </IRQ>
[  428.463770] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  428.468438] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  428.487335] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.495056] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  428.502321] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  428.509587] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  428.516848] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  428.524110] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  428.531410]  ? mark_held_locks+0x130/0x130
[  428.535636]  ? kernfs_notify_workfn+0xf0/0x440
[  428.540225]  ? mark_held_locks+0x130/0x130
[  428.544460]  ? set_next_entity+0x493/0xc70
[  428.548700]  ? mutex_trylock+0x2b0/0x2b0
[  428.552756]  ? update_load_avg+0x2470/0x2470
[  428.557166]  ? zap_class+0x640/0x640
[  428.560880]  ? zap_class+0x640/0x640
[  428.564589]  ? print_usage_bug+0xc0/0xc0
[  428.568656]  ? find_held_lock+0x36/0x1c0
[  428.572729]  ? mark_held_locks+0xc7/0x130
[  428.576875]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.581366]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.585855]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.590431]  ? trace_hardirqs_on+0xbd/0x310
[  428.594793]  ? kasan_check_read+0x11/0x20
[  428.598955]  ? kernfs_notify_workfn+0xe2/0x440
[  428.603531]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.608637]  mutex_lock_nested+0x16/0x20
[  428.612960]  ? _raw_spin_unlock_irq+0x60/0x80
[  428.617450]  ? mutex_lock_nested+0x16/0x20
[  428.621724]  kernfs_notify_workfn+0xf0/0x440
[  428.626167]  process_one_work+0xc90/0x1c40
[  428.630395]  ? mark_held_locks+0x130/0x130
[  428.634638]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  428.639318]  ? __switch_to_asm+0x40/0x70
[  428.643374]  ? __switch_to_asm+0x34/0x70
[  428.647428]  ? __switch_to_asm+0x40/0x70
[  428.651482]  ? __switch_to_asm+0x34/0x70
[  428.655536]  ? __switch_to_asm+0x40/0x70
[  428.659590]  ? __switch_to_asm+0x34/0x70
[  428.663660]  ? __switch_to_asm+0x40/0x70
[  428.667729]  ? __switch_to_asm+0x34/0x70
[  428.671784]  ? __switch_to_asm+0x40/0x70
[  428.675846]  ? __schedule+0x8d7/0x21d0
[  428.679780]  ? lock_downgrade+0x900/0x900
[  428.683961]  ? zap_class+0x640/0x640
[  428.687683]  ? zap_class+0x640/0x640
[  428.691419]  ? find_held_lock+0x36/0x1c0
[  428.695498]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.700092]  ? lock_acquire+0x1ed/0x520
[  428.704067]  ? worker_thread+0x3e0/0x1390
[  428.708220]  ? kasan_check_read+0x11/0x20
[  428.712368]  ? do_raw_spin_lock+0x14f/0x350
[  428.716712]  ? kasan_check_read+0x11/0x20
[  428.720867]  ? rwlock_bug.part.2+0x90/0x90
[  428.725113]  ? trace_hardirqs_on+0x310/0x310
[  428.729529]  worker_thread+0x17f/0x1390
[  428.733514]  ? __switch_to_asm+0x34/0x70
[  428.737587]  ? process_one_work+0x1c40/0x1c40
[  428.742089]  ? zap_class+0x640/0x640
[  428.745857]  ? __kthread_parkme+0xce/0x1a0
[  428.750090]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.755204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.760332]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.764915]  ? trace_hardirqs_on+0xbd/0x310
[  428.769239]  ? kasan_check_read+0x11/0x20
[  428.773469]  ? __kthread_parkme+0xce/0x1a0
[  428.777746]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.782882]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.787990]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.793091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.798627]  ? __kthread_parkme+0xfb/0x1a0
[  428.802881]  ? process_one_work+0x1c40/0x1c40
[  428.807373]  kthread+0x35a/0x440
[  428.810750]  ? kthread_stop+0x900/0x900
[  428.814748]  ret_from_fork+0x3a/0x50
[  428.818515] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  428.818521] warn_alloc_show_mem: 1 callbacks suppressed
[  428.818528] Mem-Info:
[  428.825535] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  428.830903] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  428.830903]  active_file:9 inactive_file:10 isolated_file:8
[  428.830903]  unevictable:0 dirty:0 writeback:0 unstable:0
[  428.830903]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  428.830903]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  428.830903]  free:13786 free_pcp:282 free_cma:0
[  428.833277] Call Trace:
[  428.842690] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  428.875619]  <IRQ>
[  428.878187] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  428.906032]  dump_stack+0x244/0x39d
[  428.908176] lowmem_reserve[]: 0 2818 6321 6321
[  428.934388]  ? dump_stack_print_info.cold.1+0x20/0x20
[  428.937986] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  428.942567]  warn_alloc.cold.116+0xb7/0x1bd
[  428.947723] lowmem_reserve[]: 0 0 3503 3503
[  428.975044]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  428.979360] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  428.983713]  ? lock_downgrade+0x900/0x900
[  428.988530] lowmem_reserve[]: 0 0 0 0
[  429.017415]  ? trace_hardirqs_off+0xb8/0x310
[  429.021536] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  429.025333]  ? trace_hardirqs_off+0xb8/0x310
[  429.029720] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  429.043243]  __alloc_pages_slowpath+0x2651/0x2de0
[  429.047662] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  429.062860]  ? warn_alloc+0x120/0x120
[  429.067660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.082653]  ? print_usage_bug+0xc0/0xc0
[  429.086435] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.086443] 4366 total pagecache pages
[  429.095285]  ? warn_alloc+0x120/0x120
[  429.099330] 0 pages in swap cache
[  429.107893]  ? warn_alloc+0x120/0x120
[  429.111759] Swap cache stats: add 0, delete 0, find 0/0
[  429.115547]  ? print_usage_bug+0xc0/0xc0
[  429.118978] Free swap  = 0kB
[  429.122795]  ? kvm_clock_read+0x18/0x30
[  429.128149] Total swap = 0kB
[  429.132201]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.135196] 1965979 pages RAM
[  429.139175]  ? print_usage_bug+0xc0/0xc0
[  429.142169] 0 pages HighMem/MovableOnly
[  429.147187]  ? __lock_acquire+0x62f/0x4c20
[  429.150281] 342854 pages reserved
[  429.154347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.158293] 0 pages cma reserved
[  429.162518]  ? should_fail+0x22d/0xd01
[  429.165999] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.171472]  ? __lock_acquire+0x62f/0x4c20
[  429.171487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.171503]  ? __lock_acquire+0x62f/0x4c20
[  429.174911] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.178786]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.185256] kworker/0:2 cpuset=/ mems_allowed=0
[  429.189484]  ? __lock_acquire+0x62f/0x4c20
[  429.223099]  ? should_fail+0x22d/0xd01
[  429.227048]  ? mark_held_locks+0x130/0x130
[  429.231306]  ? mark_held_locks+0x130/0x130
[  429.235552]  ? zap_class+0x640/0x640
[  429.239281]  ? print_usage_bug+0xc0/0xc0
[  429.243365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.248905]  ? check_preemption_disabled+0x48/0x280
[  429.253933]  ? __lock_is_held+0xb5/0x140
[  429.258021]  __alloc_pages_nodemask+0xad8/0xea0
[  429.262694]  ? zap_class+0x640/0x640
[  429.266432]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  429.271465]  ? find_held_lock+0x36/0x1c0
[  429.275549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.280234]  ? lock_downgrade+0x900/0x900
[  429.284390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.289935]  cache_grow_begin+0xa5/0x8c0
[  429.293993]  ? do_raw_spin_unlock+0xa7/0x330
[  429.298416]  fallback_alloc+0x204/0x2e0
[  429.302402]  ____cache_alloc_node+0x1c7/0x1e0
[  429.306925]  kmem_cache_alloc_node+0xe3/0x730
[  429.311441]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.315693]  __alloc_skb+0x119/0x770
[  429.319408]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.324696]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.329109]  ? lock_downgrade+0x900/0x900
[  429.333262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.338806]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.344263]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.349713]  ? addrconf_rs_timer+0x690/0x690
[  429.354133]  ndisc_alloc_skb+0x144/0x340
[  429.358198]  ndisc_send_rs+0x331/0x6e0
[  429.362092]  addrconf_rs_timer+0x314/0x690
[  429.366332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.370587]  call_timer_fn+0x272/0x920
[  429.374486]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.378722]  ? process_timeout+0x40/0x40
[  429.382788]  ? mark_held_locks+0xc7/0x130
[  429.386966]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.391473]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.395970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.400206]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.404795]  ? trace_hardirqs_on+0xbd/0x310
[  429.409124]  ? kasan_check_read+0x11/0x20
[  429.413274]  ? __run_timers+0x7da/0xc70
[  429.417248]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.422385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.426617]  __run_timers+0x7e5/0xc70
[  429.430433]  ? timer_fixup_init+0x70/0x70
[  429.434584]  ? kasan_check_read+0x11/0x20
[  429.438774]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.444051]  ? rcu_softirq_qs+0x20/0x20
[  429.448028]  ? mark_held_locks+0xc7/0x130
[  429.452194]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  429.456984]  ? retint_kernel+0x2d/0x2d
[  429.460876]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.465804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  429.470562]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.476014]  ? zap_class+0x640/0x640
[  429.479739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.485279]  ? check_preemption_disabled+0x48/0x280
[  429.490317]  ? __lock_is_held+0xb5/0x140
[  429.494395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.499939]  ? check_preemption_disabled+0x48/0x280
[  429.504959]  run_timer_softirq+0x52/0xb0
[  429.509022]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.514039]  __do_softirq+0x308/0xb7e
[  429.517841]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.522337]  ? lock_downgrade+0x900/0x900
[  429.526488]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.531604]  ? pvclock_read_flags+0x160/0x160
[  429.536100]  ? lapic_next_event+0x5a/0x90
[  429.540245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.545784]  ? kvm_clock_read+0x18/0x30
[  429.549756]  ? kvm_sched_clock_read+0x9/0x20
[  429.554164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.559704]  ? check_preemption_disabled+0x48/0x280
[  429.564723]  irq_exit+0x17f/0x1c0
[  429.568172]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.573014]  ? smp_call_function_single_interrupt+0x650/0x650
[  429.578896]  ? interrupt_entry+0xb5/0xc0
[  429.582962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.587993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.593041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.597886]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.602901]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.607918]  ? task_prio+0x50/0x50
[  429.611466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.617006]  ? check_preemption_disabled+0x48/0x280
[  429.622029]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.626881]  apic_timer_interrupt+0xf/0x20
[  429.631113]  </IRQ>
[  429.633356] RIP: 0010:dump_stack+0x358/0x39d
[  429.637771] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  429.656678] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  429.664391] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  429.671658] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  429.678938] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  429.686207] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  429.693485] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  429.700810]  ? dump_stack+0x34f/0x39d
[  429.704623]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.709831]  ? mark_held_locks+0x130/0x130
[  429.714072]  ? mark_held_locks+0x130/0x130
[  429.718312]  dump_header+0x27b/0xf72
[  429.722056]  ? pagefault_out_of_memory+0x197/0x197
[  429.726993]  ? __lock_acquire+0x62f/0x4c20
[  429.731253]  ? percpu_ref_get_many+0x240/0x240
[  429.735845]  ? print_usage_bug+0xc0/0xc0
[  429.739911]  ? zap_class+0x640/0x640
[  429.744116]  ? print_usage_bug+0xc0/0xc0
[  429.748180]  ? print_usage_bug+0xc0/0xc0
[  429.752244]  ? zap_class+0x640/0x640
[  429.755976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.761517]  ? find_held_lock+0x36/0x1c0
[  429.765585]  ? mark_held_locks+0xc7/0x130
[  429.769737]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.774844]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.779952]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  429.784540]  ? trace_hardirqs_on+0xbd/0x310
[  429.788876]  ? kasan_check_read+0x11/0x20
[  429.793023]  ? ___ratelimit+0x3b4/0x672
[  429.796997]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.802103]  ? trace_hardirqs_on+0x310/0x310
[  429.806551]  ? lock_downgrade+0x900/0x900
[  429.810725]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.815847]  ? ___ratelimit+0x3b9/0x672
[  429.819825]  ? idr_get_free+0xf70/0xf70
[  429.823801]  ? find_held_lock+0x36/0x1c0
[  429.827873]  oom_kill_process.cold.27+0x10/0x903
[  429.832631]  ? zap_class+0x640/0x640
[  429.836341]  ? check_preemption_disabled+0x48/0x280
[  429.841363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.846305]  ? kasan_check_read+0x11/0x20
[  429.850463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.855742]  ? oom_evaluate_task+0x540/0x540
[  429.860181]  ? find_held_lock+0x36/0x1c0
[  429.864297]  ? out_of_memory+0x974/0x1430
[  429.868451]  ? lock_downgrade+0x900/0x900
[  429.872643]  ? check_preemption_disabled+0x48/0x280
[  429.877699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.882624]  ? kasan_check_read+0x11/0x20
[  429.886767]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.892041]  ? rcu_softirq_qs+0x20/0x20
[  429.896013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.901547]  ? oom_evaluate_task+0x302/0x540
[  429.905955]  out_of_memory+0xa84/0x1430
[  429.909938]  ? oom_killer_disable+0x3a0/0x3a0
[  429.914442]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  429.919375]  ? __ww_mutex_check_waiters+0x160/0x160
[  429.924403]  __alloc_pages_slowpath+0x232c/0x2de0
[  429.929278]  ? warn_alloc+0x120/0x120
[  429.933083]  ? mark_held_locks+0x130/0x130
[  429.937321]  ? find_get_entry+0xaae/0x1120
[  429.941559]  ? filemap_map_pages+0x1a20/0x1a20
[  429.946145]  ? zap_class+0x640/0x640
[  429.949863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.955425]  ? check_preemption_disabled+0x48/0x280
[  429.960448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.965989]  ? should_fail+0x22d/0xd01
[  429.969889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.974998]  ? zap_class+0x640/0x640
[  429.978737]  ? __lock_is_held+0xb5/0x140
[  429.982801]  ? mark_held_locks+0x130/0x130
[  429.987037]  ? lock_release+0xa00/0xa00
[  429.991038]  ? perf_trace_sched_process_exec+0x860/0x860
[  429.996494]  ? xa_load+0x2ba/0x460
[  430.000054]  ? lock_downgrade+0x900/0x900
[  430.004210]  ? __might_sleep+0x95/0x190
[  430.008191]  __alloc_pages_nodemask+0xad8/0xea0
[  430.012871]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.017889]  ? __page_cache_alloc+0x191/0x5c0
[  430.022380]  ? xa_load+0x2e1/0x460
[  430.025918]  ? xa_clear_mark+0x40/0x40
[  430.029806]  ? zap_class+0x640/0x640
[  430.033526]  ? zap_class+0x640/0x640
[  430.037269]  ? zap_class+0x640/0x640
[  430.040983]  ? __do_page_cache_readahead+0x663/0x810
[  430.046101]  ? find_held_lock+0x36/0x1c0
[  430.050165]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  430.055726]  alloc_pages_current+0x173/0x350
[  430.060143]  __page_cache_alloc+0x38c/0x5c0
[  430.064464]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.069391]  ? kasan_check_read+0x11/0x20
[  430.073541]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.078825]  ? generic_perform_write+0x6a0/0x6a0
[  430.083583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.089136]  ? check_preemption_disabled+0x48/0x280
[  430.094193]  filemap_fault+0x1595/0x25f0
[  430.098270]  ? __lock_page_or_retry+0xa00/0xa00
[  430.102943]  ? mark_held_locks+0x130/0x130
[  430.107187]  ? filemap_map_pages+0xd6b/0x1a20
[  430.111715]  ? lock_downgrade+0x900/0x900
[  430.115866]  ? check_preemption_disabled+0x48/0x280
[  430.120883]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.125814]  ? kasan_check_read+0x11/0x20
[  430.129987]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.135289]  ? rcu_softirq_qs+0x20/0x20
[  430.139290]  ? filemap_map_pages+0xd92/0x1a20
[  430.143799]  ? find_get_entries_tag+0x1400/0x1400
[  430.148649]  ? debug_object_destroy+0x2b0/0x2b0
[  430.153327]  ? lock_pi_update_atomic+0x150/0x150
[  430.158085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.163632]  ? lock_acquire+0x1ed/0x520
[  430.167604]  ? ext4_filemap_fault+0x7a/0xad
[  430.171927]  ? lock_release+0xa00/0xa00
[  430.175912]  ? perf_trace_sched_process_exec+0x860/0x860
[  430.181385]  ? print_usage_bug+0xc0/0xc0
[  430.185448]  ? print_usage_bug+0xc0/0xc0
[  430.189516]  ? down_read+0x8d/0x120
[  430.193136]  ? ext4_filemap_fault+0x7a/0xad
[  430.197463]  ? __down_interruptible+0x700/0x700
[  430.202152]  ext4_filemap_fault+0x82/0xad
[  430.206313]  __do_fault+0x100/0x6b0
[  430.209944]  ? pmd_devmap_trans_unstable+0x220/0x220
[  430.215063]  ? mark_held_locks+0x130/0x130
[  430.219297]  ? mark_held_locks+0x130/0x130
[  430.223546]  ? __might_fault+0x12b/0x1e0
[  430.227606]  ? lock_downgrade+0x900/0x900
[  430.231759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.237310]  __handle_mm_fault+0x3ea0/0x5be0
[  430.241726]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  430.246571]  ? _copy_to_user+0xc8/0x110
[  430.250559]  ? zap_class+0x640/0x640
[  430.254270]  ? zap_class+0x640/0x640
[  430.257979]  ? __x64_sys_futex+0x53e/0x6a0
[  430.262246]  ? find_held_lock+0x36/0x1c0
[  430.266329]  ? handle_mm_fault+0x42a/0xc70
[  430.270564]  ? lock_downgrade+0x900/0x900
[  430.274713]  ? check_preemption_disabled+0x48/0x280
[  430.279795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  430.284741]  ? kasan_check_read+0x11/0x20
[  430.288886]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.294163]  ? rcu_softirq_qs+0x20/0x20
[  430.298151]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.303260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.308817]  ? check_preemption_disabled+0x48/0x280
[  430.313841]  handle_mm_fault+0x54f/0xc70
[  430.317934]  ? __handle_mm_fault+0x5be0/0x5be0
[  430.322533]  ? find_vma+0x34/0x190
[  430.326081]  __do_page_fault+0x5e8/0xe60
[  430.330138]  ? trace_hardirqs_off+0xb8/0x310
[  430.334557]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.340103]  do_page_fault+0xf2/0x7e0
[  430.343901]  ? vmalloc_sync_all+0x30/0x30
[  430.348045]  ? error_entry+0x70/0xd0
[  430.351769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.356797]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.361726]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.366649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.371505]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.376556]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.382005]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.387020]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.392032]  ? page_fault+0x8/0x30
[  430.395573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.400435]  ? page_fault+0x8/0x30
[  430.403983]  page_fault+0x1e/0x30
[  430.407439] RIP: 0033:0x45ddf3
[  430.410643] Code: Bad RIP value.
[  430.414012] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  430.419386] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  430.426650] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  430.433921] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  430.441213] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  430.448477] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  430.455793] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  430.455855] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.462903] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.462919] Workqueue: events kernfs_notify_workfn
[  430.462931] Call Trace:
[  430.462941]  <IRQ>
[  430.469509] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.478777]  dump_stack+0x244/0x39d
[  430.483727] syz-fuzzer cpuset=/ mems_allowed=0
[  430.486304]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.511996]  warn_alloc.cold.116+0xb7/0x1bd
[  430.516320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.521212]  ? lock_downgrade+0x900/0x900
[  430.525363]  ? trace_hardirqs_off+0xb8/0x310
[  430.529778]  ? trace_hardirqs_off+0xb8/0x310
[  430.534190]  __alloc_pages_slowpath+0x2651/0x2de0
[  430.539073]  ? warn_alloc+0x120/0x120
[  430.542876]  ? print_usage_bug+0xc0/0xc0
[  430.546946]  ? warn_alloc+0x120/0x120
[  430.550752]  ? warn_alloc+0x120/0x120
[  430.554550]  ? print_usage_bug+0xc0/0xc0
[  430.558649]  ? print_usage_bug+0xc0/0xc0
[  430.562749]  ? __lock_acquire+0x62f/0x4c20
[  430.566986]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.572523]  ? should_fail+0x22d/0xd01
[  430.576413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.581534]  ? __lock_acquire+0x62f/0x4c20
[  430.585771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.590880]  ? __lock_acquire+0x62f/0x4c20
[  430.595127]  ? should_fail+0x22d/0xd01
[  430.599013]  ? find_held_lock+0x36/0x1c0
[  430.603079]  ? mark_held_locks+0x130/0x130
[  430.607333]  ? mark_held_locks+0x130/0x130
[  430.611815]  ? zap_class+0x640/0x640
[  430.615540]  ? zap_class+0x640/0x640
[  430.619255]  ? print_usage_bug+0xc0/0xc0
[  430.623317]  ? do_raw_spin_unlock+0xa7/0x330
[  430.627727]  ? zap_class+0x640/0x640
[  430.631453]  ? print_usage_bug+0xc0/0xc0
[  430.635527]  ? wq_watchdog_touch+0x9c/0xfe
[  430.639766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.645303]  ? check_preemption_disabled+0x48/0x280
[  430.650326]  ? __lock_is_held+0xb5/0x140
[  430.654408]  __alloc_pages_nodemask+0xad8/0xea0
[  430.659111]  ? zap_class+0x640/0x640
[  430.662836]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  430.667948]  ? find_held_lock+0x36/0x1c0
[  430.672038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.676722]  ? lock_downgrade+0x900/0x900
[  430.680875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.686417]  cache_grow_begin+0xa5/0x8c0
[  430.690474]  ? do_raw_spin_unlock+0xa7/0x330
[  430.694887]  fallback_alloc+0x204/0x2e0
[  430.698875]  ____cache_alloc_node+0x1c7/0x1e0
[  430.703373]  kmem_cache_alloc_node+0xe3/0x730
[  430.707866]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.712133]  __alloc_skb+0x119/0x770
[  430.715868]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.721147]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.725555]  ? lock_downgrade+0x900/0x900
[  430.729715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.735279]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.740745]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.746231]  ? addrconf_rs_timer+0x690/0x690
[  430.750651]  ndisc_alloc_skb+0x144/0x340
[  430.754724]  ndisc_send_rs+0x331/0x6e0
[  430.758617]  addrconf_rs_timer+0x314/0x690
[  430.762872]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.767115]  call_timer_fn+0x272/0x920
[  430.771000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.775240]  ? process_timeout+0x40/0x40
[  430.779307]  ? mark_held_locks+0xc7/0x130
[  430.783489]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.787996]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.792487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.796722]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.801305]  ? trace_hardirqs_on+0xbd/0x310
[  430.805626]  ? kasan_check_read+0x11/0x20
[  430.809793]  ? __run_timers+0x7da/0xc70
[  430.813769]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.818891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.823133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.827368]  __run_timers+0x7e5/0xc70
[  430.831190]  ? timer_fixup_init+0x70/0x70
[  430.835342]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.840359]  ? zap_class+0x640/0x640
[  430.844108]  ? print_usage_bug+0xc0/0xc0
[  430.848173]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.853382]  ? find_held_lock+0x36/0x1c0
[  430.857448]  ? zap_class+0x640/0x640
[  430.861170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.866706]  ? check_preemption_disabled+0x48/0x280
[  430.871763]  ? __lock_is_held+0xb5/0x140
[  430.875856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.881395]  ? check_preemption_disabled+0x48/0x280
[  430.886417]  run_timer_softirq+0x52/0xb0
[  430.890479]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.895496]  __do_softirq+0x308/0xb7e
[  430.899311]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.903823]  ? lock_downgrade+0x900/0x900
[  430.907980]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.913091]  ? pvclock_read_flags+0x160/0x160
[  430.917588]  ? lapic_next_event+0x5a/0x90
[  430.921735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.927276]  ? kvm_clock_read+0x18/0x30
[  430.931258]  ? kvm_sched_clock_read+0x9/0x20
[  430.935705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.941241]  ? check_preemption_disabled+0x48/0x280
[  430.946265]  irq_exit+0x17f/0x1c0
[  430.949724]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.954567]  ? smp_reschedule_interrupt+0x109/0x650
[  430.959582]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.965508]  ? interrupt_entry+0xb5/0xc0
[  430.969570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.974597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.979611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.984459]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.989491]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.994507]  ? task_prio+0x50/0x50
[  430.998047]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.003622]  ? check_preemption_disabled+0x48/0x280
[  431.008679]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.013562]  apic_timer_interrupt+0xf/0x20
[  431.017788]  </IRQ>
[  431.020027] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  431.024704] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  431.043617] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  431.051324] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  431.058589] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  431.065854] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  431.073176] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  431.080459] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  431.087754]  ? mark_held_locks+0x130/0x130
[  431.091985]  ? kernfs_notify_workfn+0xf0/0x440
[  431.096571]  ? mark_held_locks+0x130/0x130
[  431.100821]  ? set_next_entity+0x493/0xc70
[  431.105057]  ? mutex_trylock+0x2b0/0x2b0
[  431.109122]  ? update_load_avg+0x2470/0x2470
[  431.113542]  ? zap_class+0x640/0x640
[  431.117263]  ? zap_class+0x640/0x640
[  431.120979]  ? print_usage_bug+0xc0/0xc0
[  431.125055]  ? find_held_lock+0x36/0x1c0
[  431.129132]  ? mark_held_locks+0xc7/0x130
[  431.133277]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.137775]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.142275]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.146858]  ? trace_hardirqs_on+0xbd/0x310
[  431.151186]  ? kasan_check_read+0x11/0x20
[  431.155348]  ? kernfs_notify_workfn+0xe2/0x440
[  431.159950]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.165060]  mutex_lock_nested+0x16/0x20
[  431.169143]  ? _raw_spin_unlock_irq+0x60/0x80
[  431.173660]  ? mutex_lock_nested+0x16/0x20
[  431.177908]  kernfs_notify_workfn+0xf0/0x440
[  431.182331]  process_one_work+0xc90/0x1c40
[  431.186585]  ? mark_held_locks+0x130/0x130
[  431.190833]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  431.195496]  ? __switch_to_asm+0x40/0x70
[  431.199555]  ? __switch_to_asm+0x34/0x70
[  431.203618]  ? __switch_to_asm+0x40/0x70
[  431.207688]  ? __switch_to_asm+0x34/0x70
[  431.211750]  ? __switch_to_asm+0x40/0x70
[  431.215809]  ? __switch_to_asm+0x34/0x70
[  431.219870]  ? __switch_to_asm+0x40/0x70
[  431.223935]  ? __switch_to_asm+0x34/0x70
[  431.228003]  ? __switch_to_asm+0x40/0x70
[  431.232105]  ? __schedule+0x8d7/0x21d0
[  431.236002]  ? lock_downgrade+0x900/0x900
[  431.240152]  ? zap_class+0x640/0x640
[  431.243870]  ? zap_class+0x640/0x640
[  431.247593]  ? find_held_lock+0x36/0x1c0
[  431.251681]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.256296]  ? lock_acquire+0x1ed/0x520
[  431.260288]  ? worker_thread+0x3e0/0x1390
[  431.264443]  ? kasan_check_read+0x11/0x20
[  431.268591]  ? do_raw_spin_lock+0x14f/0x350
[  431.272909]  ? kasan_check_read+0x11/0x20
[  431.277061]  ? rwlock_bug.part.2+0x90/0x90
[  431.281295]  ? trace_hardirqs_on+0x310/0x310
[  431.285719]  worker_thread+0x17f/0x1390
[  431.289734]  ? __switch_to_asm+0x34/0x70
[  431.293847]  ? process_one_work+0x1c40/0x1c40
[  431.298348]  ? zap_class+0x640/0x640
[  431.302149]  ? __kthread_parkme+0xce/0x1a0
[  431.306401]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.311504]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.316621]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.321223]  ? trace_hardirqs_on+0xbd/0x310
[  431.325549]  ? kasan_check_read+0x11/0x20
[  431.329710]  ? __kthread_parkme+0xce/0x1a0
[  431.333947]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.339067]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.344175]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.349275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.354825]  ? __kthread_parkme+0xfb/0x1a0
[  431.359071]  ? process_one_work+0x1c40/0x1c40
[  431.363583]  kthread+0x35a/0x440
[  431.366974]  ? kthread_stop+0x900/0x900
[  431.370953]  ret_from_fork+0x3a/0x50
[  431.374691] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  431.374696] warn_alloc_show_mem: 1 callbacks suppressed
[  431.374703] Mem-Info:
[  431.381720] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.387090] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  431.387090]  active_file:9 inactive_file:10 isolated_file:8
[  431.387090]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.387090]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  431.387090]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  431.387090]  free:13786 free_pcp:282 free_cma:0
[  431.389461] Call Trace:
[  431.398860] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.431801]  <IRQ>
[  431.434369] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  431.462209]  dump_stack+0x244/0x39d
[  431.464336] lowmem_reserve[]: 0 2818 6321 6321
[  431.490446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.494040] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  431.498636]  warn_alloc.cold.116+0xb7/0x1bd
[  431.503791] lowmem_reserve[]: 0 0 3503 3503
[  431.531122]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.535438] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  431.539768]  ? lock_downgrade+0x900/0x900
[  431.544588] lowmem_reserve[]: 0 0 0 0
[  431.573471]  ? trace_hardirqs_off+0xb8/0x310
[  431.577610] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  431.581401]  ? trace_hardirqs_off+0xb8/0x310
[  431.585806] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  431.599323]  __alloc_pages_slowpath+0x2651/0x2de0
[  431.603703] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  431.618880]  ? warn_alloc+0x120/0x120
[  431.623738] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  431.638753]  ? print_usage_bug+0xc0/0xc0
[  431.642530] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  431.651345]  ? warn_alloc+0x120/0x120
[  431.655376] 4366 total pagecache pages
[  431.663986]  ? warn_alloc+0x120/0x120
[  431.667814] 0 pages in swap cache
[  431.671691]  ? print_usage_bug+0xc0/0xc0
[  431.675466] Swap cache stats: add 0, delete 0, find 0/0
[  431.678902]  ? kvm_clock_read+0x18/0x30
[  431.682940] Free swap  = 0kB
[  431.688292]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.692236] Total swap = 0kB
[  431.695258]  ? print_usage_bug+0xc0/0xc0
[  431.700253] 1965979 pages RAM
[  431.703296]  ? __lock_acquire+0x62f/0x4c20
[  431.707336] 0 pages HighMem/MovableOnly
[  431.710439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.714648] 342854 pages reserved
[  431.718622]  ? should_fail+0x22d/0xd01
[  431.724144] 0 pages cma reserved
[  431.727590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.731504] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  431.734812]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.740151] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  431.747062]  ? __lock_acquire+0x62f/0x4c20
[  431.752146] kworker/0:2 cpuset=/ mems_allowed=0
[  431.762471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.776472]  ? __lock_acquire+0x62f/0x4c20
[  431.780720]  ? should_fail+0x22d/0xd01
[  431.784617]  ? rcu_irq_exit+0x1a2/0x390
[  431.788599]  ? mark_held_locks+0x130/0x130
[  431.792852]  ? mark_held_locks+0x130/0x130
[  431.797110]  ? mark_held_locks+0xc7/0x130
[  431.801259]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  431.806273]  ? zap_class+0x640/0x640
[  431.810021]  ? print_usage_bug+0xc0/0xc0
[  431.814104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.819643]  ? check_preemption_disabled+0x48/0x280
[  431.824730]  ? __lock_is_held+0xb5/0x140
[  431.828833]  __alloc_pages_nodemask+0xad8/0xea0
[  431.833500]  ? zap_class+0x640/0x640
[  431.837224]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  431.842252]  ? find_held_lock+0x36/0x1c0
[  431.846328]  ? ____cache_alloc_node+0x1c7/0x1e0
[  431.851264]  ? lock_downgrade+0x900/0x900
[  431.855418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.860978]  cache_grow_begin+0xa5/0x8c0
[  431.865036]  ? do_raw_spin_unlock+0xa7/0x330
[  431.869547]  fallback_alloc+0x204/0x2e0
[  431.873546]  ____cache_alloc_node+0x1c7/0x1e0
[  431.878064]  kmem_cache_alloc_node+0xe3/0x730
[  431.882573]  ? ipv6_get_ifaddr+0x42e/0x620
[  431.886832]  __alloc_skb+0x119/0x770
[  431.890544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.895832]  ? netdev_alloc_frag+0x1f0/0x1f0
[  431.900244]  ? lock_downgrade+0x900/0x900
[  431.904432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.910001]  ? refcount_sub_and_test_checked+0x203/0x310
[  431.915475]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  431.920924]  ? addrconf_rs_timer+0x690/0x690
[  431.925345]  ndisc_alloc_skb+0x144/0x340
[  431.929408]  ndisc_send_rs+0x331/0x6e0
[  431.933301]  addrconf_rs_timer+0x314/0x690
[  431.937553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.941797]  call_timer_fn+0x272/0x920
[  431.945698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.949932]  ? process_timeout+0x40/0x40
[  431.954006]  ? mark_held_locks+0xc7/0x130
[  431.958172]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.962672]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.967211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.971448]  ? lockdep_hardirqs_on+0x296/0x5b0
[  431.976028]  ? trace_hardirqs_on+0xbd/0x310
[  431.980352]  ? kasan_check_read+0x11/0x20
[  431.984498]  ? __run_timers+0x7da/0xc70
[  431.988473]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.993585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  431.997880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.002109]  __run_timers+0x7e5/0xc70
[  432.005914]  ? timer_fixup_init+0x70/0x70
[  432.010060]  ? kasan_check_read+0x11/0x20
[  432.014212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.019490]  ? rcu_softirq_qs+0x20/0x20
[  432.023468]  ? mark_held_locks+0xc7/0x130
[  432.027620]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.032381]  ? retint_kernel+0x2d/0x2d
[  432.036272]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.041201]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.045958]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.051422]  ? zap_class+0x640/0x640
[  432.055144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.060689]  ? check_preemption_disabled+0x48/0x280
[  432.065715]  ? __lock_is_held+0xb5/0x140
[  432.069776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.075312]  ? check_preemption_disabled+0x48/0x280
[  432.080332]  run_timer_softirq+0x52/0xb0
[  432.084395]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.089426]  __do_softirq+0x308/0xb7e
[  432.093235]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.097742]  ? lock_downgrade+0x900/0x900
[  432.101936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.107046]  ? pvclock_read_flags+0x160/0x160
[  432.111539]  ? lapic_next_event+0x5a/0x90
[  432.115690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.121228]  ? kvm_clock_read+0x18/0x30
[  432.125214]  ? kvm_sched_clock_read+0x9/0x20
[  432.129619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.135155]  ? check_preemption_disabled+0x48/0x280
[  432.140177]  irq_exit+0x17f/0x1c0
[  432.143630]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.148506]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.154396]  ? interrupt_entry+0xb5/0xc0
[  432.158459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.163489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.168502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.173346]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.178360]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.183390]  ? task_prio+0x50/0x50
[  432.186969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.192511]  ? check_preemption_disabled+0x48/0x280
[  432.197533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.202397]  apic_timer_interrupt+0xf/0x20
[  432.206634]  </IRQ>
[  432.208883] RIP: 0010:dump_stack+0x358/0x39d
[  432.213291] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  432.232193] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  432.239899] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  432.247168] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  432.254440] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  432.261708] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  432.268976] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  432.276258]  ? dump_stack+0x34f/0x39d
[  432.280094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  432.285286]  ? mark_held_locks+0x130/0x130
[  432.289519]  ? mark_held_locks+0x130/0x130
[  432.293757]  dump_header+0x27b/0xf72
[  432.297516]  ? pagefault_out_of_memory+0x197/0x197
[  432.302487]  ? __lock_acquire+0x62f/0x4c20
[  432.306728]  ? percpu_ref_get_many+0x240/0x240
[  432.311344]  ? print_usage_bug+0xc0/0xc0
[  432.315425]  ? zap_class+0x640/0x640
[  432.319151]  ? print_usage_bug+0xc0/0xc0
[  432.323215]  ? print_usage_bug+0xc0/0xc0
[  432.327283]  ? zap_class+0x640/0x640
[  432.331015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.336557]  ? find_held_lock+0x36/0x1c0
[  432.340644]  ? mark_held_locks+0xc7/0x130
[  432.344813]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.349916]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  432.355021]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.359602]  ? trace_hardirqs_on+0xbd/0x310
[  432.363925]  ? kasan_check_read+0x11/0x20
[  432.368072]  ? ___ratelimit+0x3b4/0x672
[  432.372062]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.377180]  ? trace_hardirqs_on+0x310/0x310
[  432.381622]  ? lock_downgrade+0x900/0x900
[  432.385775]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  432.390879]  ? ___ratelimit+0x3b9/0x672
[  432.394870]  ? idr_get_free+0xf70/0xf70
[  432.398847]  ? find_held_lock+0x36/0x1c0
[  432.402918]  oom_kill_process.cold.27+0x10/0x903
[  432.407679]  ? zap_class+0x640/0x640
[  432.411391]  ? check_preemption_disabled+0x48/0x280
[  432.416408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.421363]  ? kasan_check_read+0x11/0x20
[  432.425505]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.430810]  ? oom_evaluate_task+0x540/0x540
[  432.435220]  ? find_held_lock+0x36/0x1c0
[  432.439344]  ? out_of_memory+0x974/0x1430
[  432.443508]  ? lock_downgrade+0x900/0x900
[  432.447672]  ? check_preemption_disabled+0x48/0x280
[  432.452693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.457637]  ? kasan_check_read+0x11/0x20
[  432.461789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.467067]  ? rcu_softirq_qs+0x20/0x20
[  432.471046]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.476595]  ? oom_evaluate_task+0x302/0x540
[  432.481008]  out_of_memory+0xa84/0x1430
[  432.484993]  ? oom_killer_disable+0x3a0/0x3a0
[  432.489494]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  432.494425]  ? __ww_mutex_check_waiters+0x160/0x160
[  432.499496]  __alloc_pages_slowpath+0x232c/0x2de0
[  432.504368]  ? warn_alloc+0x120/0x120
[  432.508167]  ? mark_held_locks+0x130/0x130
[  432.512406]  ? find_get_entry+0xaae/0x1120
[  432.516651]  ? filemap_map_pages+0x1a20/0x1a20
[  432.521271]  ? zap_class+0x640/0x640
[  432.525003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.530535]  ? check_preemption_disabled+0x48/0x280
[  432.535551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.541118]  ? should_fail+0x22d/0xd01
[  432.545010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.550140]  ? zap_class+0x640/0x640
[  432.553888]  ? __lock_is_held+0xb5/0x140
[  432.557957]  ? mark_held_locks+0x130/0x130
[  432.562223]  ? lock_release+0xa00/0xa00
[  432.566224]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.571677]  ? xa_load+0x2ba/0x460
[  432.575233]  ? lock_downgrade+0x900/0x900
[  432.579401]  ? __might_sleep+0x95/0x190
[  432.583379]  __alloc_pages_nodemask+0xad8/0xea0
[  432.588052]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  432.593065]  ? __page_cache_alloc+0x191/0x5c0
[  432.597552]  ? xa_load+0x2e1/0x460
[  432.601085]  ? xa_clear_mark+0x40/0x40
[  432.604969]  ? zap_class+0x640/0x640
[  432.608708]  ? zap_class+0x640/0x640
[  432.612536]  ? zap_class+0x640/0x640
[  432.616245]  ? __do_page_cache_readahead+0x663/0x810
[  432.621362]  ? find_held_lock+0x36/0x1c0
[  432.625447]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  432.630999]  alloc_pages_current+0x173/0x350
[  432.635424]  __page_cache_alloc+0x38c/0x5c0
[  432.639819]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.644753]  ? kasan_check_read+0x11/0x20
[  432.648923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.654194]  ? generic_perform_write+0x6a0/0x6a0
[  432.658974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.664507]  ? check_preemption_disabled+0x48/0x280
[  432.669533]  filemap_fault+0x1595/0x25f0
[  432.673598]  ? __lock_page_or_retry+0xa00/0xa00
[  432.678305]  ? mark_held_locks+0x130/0x130
[  432.682545]  ? filemap_map_pages+0xd6b/0x1a20
[  432.687079]  ? lock_downgrade+0x900/0x900
[  432.691238]  ? check_preemption_disabled+0x48/0x280
[  432.696275]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.701209]  ? kasan_check_read+0x11/0x20
[  432.705359]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.710627]  ? rcu_softirq_qs+0x20/0x20
[  432.714617]  ? filemap_map_pages+0xd92/0x1a20
[  432.719118]  ? find_get_entries_tag+0x1400/0x1400
[  432.723991]  ? debug_object_destroy+0x2b0/0x2b0
[  432.728677]  ? lock_pi_update_atomic+0x150/0x150
[  432.733476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.739048]  ? lock_acquire+0x1ed/0x520
[  432.743035]  ? ext4_filemap_fault+0x7a/0xad
[  432.747357]  ? lock_release+0xa00/0xa00
[  432.751325]  ? perf_trace_sched_process_exec+0x860/0x860
[  432.756772]  ? print_usage_bug+0xc0/0xc0
[  432.760895]  ? print_usage_bug+0xc0/0xc0
[  432.764996]  ? down_read+0x8d/0x120
[  432.768622]  ? ext4_filemap_fault+0x7a/0xad
[  432.772963]  ? __down_interruptible+0x700/0x700
[  432.777658]  ext4_filemap_fault+0x82/0xad
[  432.781814]  __do_fault+0x100/0x6b0
[  432.785445]  ? pmd_devmap_trans_unstable+0x220/0x220
[  432.790546]  ? mark_held_locks+0x130/0x130
[  432.794788]  ? mark_held_locks+0x130/0x130
[  432.799048]  ? __might_fault+0x12b/0x1e0
[  432.803154]  ? lock_downgrade+0x900/0x900
[  432.807322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.812866]  __handle_mm_fault+0x3ea0/0x5be0
[  432.817282]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  432.822133]  ? _copy_to_user+0xc8/0x110
[  432.826138]  ? zap_class+0x640/0x640
[  432.829851]  ? zap_class+0x640/0x640
[  432.833563]  ? __x64_sys_futex+0x53e/0x6a0
[  432.837796]  ? find_held_lock+0x36/0x1c0
[  432.841862]  ? handle_mm_fault+0x42a/0xc70
[  432.846092]  ? lock_downgrade+0x900/0x900
[  432.850255]  ? check_preemption_disabled+0x48/0x280
[  432.855285]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  432.860211]  ? kasan_check_read+0x11/0x20
[  432.864360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.869636]  ? rcu_softirq_qs+0x20/0x20
[  432.873615]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.878763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.884297]  ? check_preemption_disabled+0x48/0x280
[  432.889316]  handle_mm_fault+0x54f/0xc70
[  432.893390]  ? __handle_mm_fault+0x5be0/0x5be0
[  432.897987]  ? find_vma+0x34/0x190
[  432.901531]  __do_page_fault+0x5e8/0xe60
[  432.905582]  ? trace_hardirqs_off+0xb8/0x310
[  432.909998]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.915534]  do_page_fault+0xf2/0x7e0
[  432.919331]  ? vmalloc_sync_all+0x30/0x30
[  432.923477]  ? error_entry+0x70/0xd0
[  432.927187]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.932200]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.937125]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.942077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.946916]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.951949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.957395]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.962407]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.967419]  ? page_fault+0x8/0x30
[  432.970991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.975830]  ? page_fault+0x8/0x30
[  432.979365]  page_fault+0x1e/0x30
[  432.982826] RIP: 0033:0x45ddf3
[  432.986043] Code: Bad RIP value.
[  432.989398] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  432.994759] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  433.002019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  433.009311] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  433.016579] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  433.023843] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  433.031168] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  433.031230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  433.038267] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.038283] Workqueue: events kernfs_notify_workfn
[  433.044924] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.054182] Call Trace:
[  433.059094] syz-fuzzer cpuset=/ mems_allowed=0
[  433.069299]  <IRQ>
[  433.078579]  dump_stack+0x244/0x39d
[  433.082343]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.087545]  warn_alloc.cold.116+0xb7/0x1bd
[  433.091899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.096748]  ? lock_downgrade+0x900/0x900
[  433.100917]  ? trace_hardirqs_off+0xb8/0x310
[  433.105367]  ? trace_hardirqs_off+0xb8/0x310
[  433.109776]  __alloc_pages_slowpath+0x2651/0x2de0
[  433.114641]  ? warn_alloc+0x120/0x120
[  433.118448]  ? print_usage_bug+0xc0/0xc0
[  433.122520]  ? warn_alloc+0x120/0x120
[  433.126320]  ? warn_alloc+0x120/0x120
[  433.130116]  ? print_usage_bug+0xc0/0xc0
[  433.134172]  ? kvm_clock_read+0x18/0x30
[  433.138141]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  433.143154]  ? print_usage_bug+0xc0/0xc0
[  433.147235]  ? __lock_acquire+0x62f/0x4c20
[  433.151498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.157030]  ? should_fail+0x22d/0xd01
[  433.160917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.166219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.171347]  ? __lock_acquire+0x62f/0x4c20
[  433.175602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.180714]  ? __lock_acquire+0x62f/0x4c20
[  433.184944]  ? should_fail+0x22d/0xd01
[  433.188829]  ? rcu_irq_exit+0x1a2/0x390
[  433.192808]  ? mark_held_locks+0x130/0x130
[  433.197040]  ? mark_held_locks+0x130/0x130
[  433.201274]  ? mark_held_locks+0xc7/0x130
[  433.205415]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  433.210427]  ? zap_class+0x640/0x640
[  433.214133]  ? print_usage_bug+0xc0/0xc0
[  433.218191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.223724]  ? check_preemption_disabled+0x48/0x280
[  433.228742]  ? __lock_is_held+0xb5/0x140
[  433.232808]  __alloc_pages_nodemask+0xad8/0xea0
[  433.237473]  ? zap_class+0x640/0x640
[  433.241184]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  433.246202]  ? find_held_lock+0x36/0x1c0
[  433.250296]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.254973]  ? lock_downgrade+0x900/0x900
[  433.259124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.264658]  cache_grow_begin+0xa5/0x8c0
[  433.268721]  ? do_raw_spin_unlock+0xa7/0x330
[  433.273129]  fallback_alloc+0x204/0x2e0
[  433.277114]  ____cache_alloc_node+0x1c7/0x1e0
[  433.281607]  kmem_cache_alloc_node+0xe3/0x730
[  433.286140]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.290391]  __alloc_skb+0x119/0x770
[  433.294094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.299365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.303766]  ? lock_downgrade+0x900/0x900
[  433.307916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.313456]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.318903]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.324353]  ? addrconf_rs_timer+0x690/0x690
[  433.328765]  ndisc_alloc_skb+0x144/0x340
[  433.332824]  ndisc_send_rs+0x331/0x6e0
[  433.336722]  addrconf_rs_timer+0x314/0x690
[  433.340969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.345209]  call_timer_fn+0x272/0x920
[  433.349120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.353387]  ? process_timeout+0x40/0x40
[  433.357456]  ? mark_held_locks+0xc7/0x130
[  433.361603]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.366093]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.370577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.374804]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.379381]  ? trace_hardirqs_on+0xbd/0x310
[  433.383711]  ? kasan_check_read+0x11/0x20
[  433.387870]  ? __run_timers+0x7da/0xc70
[  433.391855]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.396961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.401208]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.405458]  __run_timers+0x7e5/0xc70
[  433.409295]  ? timer_fixup_init+0x70/0x70
[  433.413453]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.418489]  ? zap_class+0x640/0x640
[  433.422202]  ? print_usage_bug+0xc0/0xc0
[  433.426296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.431490]  ? find_held_lock+0x36/0x1c0
[  433.435552]  ? zap_class+0x640/0x640
[  433.439269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.444833]  ? check_preemption_disabled+0x48/0x280
[  433.449917]  ? __lock_is_held+0xb5/0x140
[  433.453978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.459541]  ? check_preemption_disabled+0x48/0x280
[  433.464573]  run_timer_softirq+0x52/0xb0
[  433.468631]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.473646]  __do_softirq+0x308/0xb7e
[  433.477467]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.481972]  ? lock_downgrade+0x900/0x900
[  433.486117]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.491222]  ? pvclock_read_flags+0x160/0x160
[  433.495730]  ? lapic_next_event+0x5a/0x90
[  433.499873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.505420]  ? kvm_clock_read+0x18/0x30
[  433.509398]  ? kvm_sched_clock_read+0x9/0x20
[  433.513818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.519354]  ? check_preemption_disabled+0x48/0x280
[  433.524389]  irq_exit+0x17f/0x1c0
[  433.527837]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.532680]  ? smp_reschedule_interrupt+0x109/0x650
[  433.537712]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.543595]  ? interrupt_entry+0xb5/0xc0
[  433.547652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.552691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.557737]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.562590]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.567597]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.572603]  ? task_prio+0x50/0x50
[  433.576168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.581749]  ? check_preemption_disabled+0x48/0x280
[  433.586784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.591629]  apic_timer_interrupt+0xf/0x20
[  433.595867]  </IRQ>
[  433.598096] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  433.602758] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  433.621673] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  433.629378] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  433.636661] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  433.643933] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  433.651203] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  433.658471] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  433.665770]  ? mark_held_locks+0x130/0x130
[  433.670033]  ? kernfs_notify_workfn+0xf0/0x440
[  433.674625]  ? mark_held_locks+0x130/0x130
[  433.678917]  ? set_next_entity+0x493/0xc70
[  433.683148]  ? mutex_trylock+0x2b0/0x2b0
[  433.687202]  ? update_load_avg+0x2470/0x2470
[  433.691614]  ? zap_class+0x640/0x640
[  433.695331]  ? zap_class+0x640/0x640
[  433.699068]  ? print_usage_bug+0xc0/0xc0
[  433.703135]  ? find_held_lock+0x36/0x1c0
[  433.707215]  ? mark_held_locks+0xc7/0x130
[  433.711375]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.715995]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.720509]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.725123]  ? trace_hardirqs_on+0xbd/0x310
[  433.729470]  ? kasan_check_read+0x11/0x20
[  433.733648]  ? kernfs_notify_workfn+0xe2/0x440
[  433.738264]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.743649]  mutex_lock_nested+0x16/0x20
[  433.747743]  ? _raw_spin_unlock_irq+0x60/0x80
[  433.752274]  ? mutex_lock_nested+0x16/0x20
[  433.756555]  kernfs_notify_workfn+0xf0/0x440
[  433.761027]  process_one_work+0xc90/0x1c40
[  433.765280]  ? mark_held_locks+0x130/0x130
[  433.769534]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  433.774209]  ? __switch_to_asm+0x40/0x70
[  433.778268]  ? __switch_to_asm+0x34/0x70
[  433.782363]  ? __switch_to_asm+0x40/0x70
[  433.786419]  ? __switch_to_asm+0x34/0x70
[  433.790506]  ? __switch_to_asm+0x40/0x70
[  433.794563]  ? __switch_to_asm+0x34/0x70
[  433.798625]  ? __switch_to_asm+0x40/0x70
[  433.802687]  ? __switch_to_asm+0x34/0x70
[  433.806751]  ? __switch_to_asm+0x40/0x70
[  433.810818]  ? __schedule+0x8d7/0x21d0
[  433.814716]  ? lock_downgrade+0x900/0x900
[  433.818868]  ? zap_class+0x640/0x640
[  433.822596]  ? zap_class+0x640/0x640
[  433.826318]  ? find_held_lock+0x36/0x1c0
[  433.830385]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.835018]  ? lock_acquire+0x1ed/0x520
[  433.839035]  ? worker_thread+0x3e0/0x1390
[  433.843238]  ? kasan_check_read+0x11/0x20
[  433.847383]  ? do_raw_spin_lock+0x14f/0x350
[  433.851708]  ? kasan_check_read+0x11/0x20
[  433.855862]  ? rwlock_bug.part.2+0x90/0x90
[  433.860131]  ? trace_hardirqs_on+0x310/0x310
[  433.864559]  worker_thread+0x17f/0x1390
[  433.868533]  ? __switch_to_asm+0x34/0x70
[  433.872617]  ? process_one_work+0x1c40/0x1c40
[  433.877116]  ? zap_class+0x640/0x640
[  433.880849]  ? __kthread_parkme+0xce/0x1a0
[  433.885082]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.890225]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.895354]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.899936]  ? trace_hardirqs_on+0xbd/0x310
[  433.904257]  ? kasan_check_read+0x11/0x20
[  433.908401]  ? __kthread_parkme+0xce/0x1a0
[  433.912631]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.917859]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.923005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.928115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.933651]  ? __kthread_parkme+0xfb/0x1a0
[  433.937912]  ? process_one_work+0x1c40/0x1c40
[  433.942459]  kthread+0x35a/0x440
[  433.945828]  ? kthread_stop+0x900/0x900
[  433.949822]  ret_from_fork+0x3a/0x50
[  433.953566] warn_alloc_show_mem: 1 callbacks suppressed
[  433.953576] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  433.953578] Mem-Info:
[  433.953607] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  433.953607]  active_file:9 inactive_file:10 isolated_file:8
[  433.953607]  unevictable:0 dirty:0 writeback:0 unstable:0
[  433.953607]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  433.953607]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  433.953607]  free:13786 free_pcp:282 free_cma:0
[  433.958965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.965978] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  433.968371] Call Trace:
[  434.001387] 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
[  434.010757]  <IRQ>
[  434.038601] lowmem_reserve[]: 0 2818 6321 6321
[  434.041192]  dump_stack+0x244/0x39d
[  434.067393] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  434.069554]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.074100] lowmem_reserve[]: 0 0 3503 3503
[  434.077731]  warn_alloc.cold.116+0xb7/0x1bd
[  434.105065] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  434.110274]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.114557] lowmem_reserve[]: 0 0 0 0
[  434.118885]  ? lock_downgrade+0x900/0x900
[  434.147760] 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
[  434.152614]  ? trace_hardirqs_off+0xb8/0x310
[  434.156379] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  434.160524]  ? trace_hardirqs_off+0xb8/0x310
[  434.174029] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  434.178466]  __alloc_pages_slowpath+0x2651/0x2de0
[  434.193630] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.198094]  ? warn_alloc+0x120/0x120
[  434.213055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.217901]  ? print_usage_bug+0xc0/0xc0
[  434.226711] 4366 total pagecache pages
[  434.230519]  ? warn_alloc+0x120/0x120
[  434.239079] 0 pages in swap cache
[  434.243139]  ? warn_alloc+0x120/0x120
[  434.247001] Swap cache stats: add 0, delete 0, find 0/0
[  434.250798]  ? print_usage_bug+0xc0/0xc0
[  434.254225] Free swap  = 0kB
[  434.258021]  ? kvm_clock_read+0x18/0x30
[  434.263358] Total swap = 0kB
[  434.267416]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  434.270435] 1965979 pages RAM
[  434.274424]  ? print_usage_bug+0xc0/0xc0
[  434.277429] 0 pages HighMem/MovableOnly
[  434.277439] 342854 pages reserved
[  434.282457]  ? __lock_acquire+0x62f/0x4c20
[  434.285535] 0 pages cma reserved
[  434.289591]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.293612] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  434.296999]  ? should_fail+0x22d/0xd01
[  434.301317] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.304574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.310099] kworker/0:2 cpuset=/ mems_allowed=0
[  434.316590]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.345788]  ? __lock_acquire+0x62f/0x4c20
[  434.350041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.355151]  ? __lock_acquire+0x62f/0x4c20
[  434.359402]  ? should_fail+0x22d/0xd01
[  434.363293]  ? rcu_irq_exit+0x1a2/0x390
[  434.367277]  ? mark_held_locks+0x130/0x130
[  434.371561]  ? mark_held_locks+0x130/0x130
[  434.375817]  ? mark_held_locks+0xc7/0x130
[  434.379980]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  434.385013]  ? zap_class+0x640/0x640
[  434.388727]  ? print_usage_bug+0xc0/0xc0
[  434.392792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.398328]  ? check_preemption_disabled+0x48/0x280
[  434.403367]  ? __lock_is_held+0xb5/0x140
[  434.407444]  __alloc_pages_nodemask+0xad8/0xea0
[  434.412121]  ? zap_class+0x640/0x640
[  434.415838]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  434.420883]  ? find_held_lock+0x36/0x1c0
[  434.424968]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.429655]  ? lock_downgrade+0x900/0x900
[  434.433819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.439361]  cache_grow_begin+0xa5/0x8c0
[  434.443441]  ? do_raw_spin_unlock+0xa7/0x330
[  434.447876]  fallback_alloc+0x204/0x2e0
[  434.451855]  ____cache_alloc_node+0x1c7/0x1e0
[  434.456355]  kmem_cache_alloc_node+0xe3/0x730
[  434.460848]  ? ipv6_get_ifaddr+0x42e/0x620
[  434.465089]  __alloc_skb+0x119/0x770
[  434.468796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.474079]  ? netdev_alloc_frag+0x1f0/0x1f0
[  434.478519]  ? lock_downgrade+0x900/0x900
[  434.482683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.488238]  ? refcount_sub_and_test_checked+0x203/0x310
[  434.493743]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  434.499199]  ? addrconf_rs_timer+0x690/0x690
[  434.503619]  ndisc_alloc_skb+0x144/0x340
[  434.507717]  ndisc_send_rs+0x331/0x6e0
[  434.511611]  addrconf_rs_timer+0x314/0x690
[  434.515852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.520098]  call_timer_fn+0x272/0x920
[  434.523985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.528218]  ? process_timeout+0x40/0x40
[  434.532290]  ? mark_held_locks+0xc7/0x130
[  434.536451]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.540946]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.545445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.549688]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.554276]  ? trace_hardirqs_on+0xbd/0x310
[  434.558600]  ? kasan_check_read+0x11/0x20
[  434.562749]  ? __run_timers+0x7da/0xc70
[  434.566722]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.571851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.576102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  434.580348]  __run_timers+0x7e5/0xc70
[  434.584152]  ? timer_fixup_init+0x70/0x70
[  434.588297]  ? kasan_check_read+0x11/0x20
[  434.592445]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.597718]  ? rcu_softirq_qs+0x20/0x20
[  434.601713]  ? mark_held_locks+0xc7/0x130
[  434.605950]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  434.610991]  ? retint_kernel+0x2d/0x2d
[  434.614888]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.619829]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  434.624614]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.630064]  ? zap_class+0x640/0x640
[  434.633794]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.639334]  ? check_preemption_disabled+0x48/0x280
[  434.644359]  ? __lock_is_held+0xb5/0x140
[  434.648441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.653978]  ? check_preemption_disabled+0x48/0x280
[  434.659016]  run_timer_softirq+0x52/0xb0
[  434.663078]  ? rcu_read_lock_sched_held+0x14f/0x180
[  434.668097]  __do_softirq+0x308/0xb7e
[  434.671926]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  434.676437]  ? lock_downgrade+0x900/0x900
[  434.680585]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  434.685696]  ? pvclock_read_flags+0x160/0x160
[  434.690204]  ? lapic_next_event+0x5a/0x90
[  434.694350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.699898]  ? kvm_clock_read+0x18/0x30
[  434.703883]  ? kvm_sched_clock_read+0x9/0x20
[  434.708290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.713857]  ? check_preemption_disabled+0x48/0x280
[  434.718890]  irq_exit+0x17f/0x1c0
[  434.722352]  smp_apic_timer_interrupt+0x1cb/0x760
[  434.727210]  ? smp_call_function_single_interrupt+0x650/0x650
[  434.733094]  ? interrupt_entry+0xb5/0xc0
[  434.737154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.742181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.747203]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.752060]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.757076]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.762093]  ? task_prio+0x50/0x50
[  434.765635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.771210]  ? check_preemption_disabled+0x48/0x280
[  434.776244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.781093]  apic_timer_interrupt+0xf/0x20
[  434.785359]  </IRQ>
[  434.787643] RIP: 0010:dump_stack+0x358/0x39d
[  434.792057] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  434.810967] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  434.818697] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  434.825993] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  434.833277] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  434.840560] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  434.847832] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  434.855133]  ? dump_stack+0x34f/0x39d
[  434.858951]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.864163]  ? mark_held_locks+0x130/0x130
[  434.868416]  ? mark_held_locks+0x130/0x130
[  434.872681]  dump_header+0x27b/0xf72
[  434.876406]  ? pagefault_out_of_memory+0x197/0x197
[  434.881348]  ? __lock_acquire+0x62f/0x4c20
[  434.885586]  ? percpu_ref_get_many+0x240/0x240
[  434.890184]  ? print_usage_bug+0xc0/0xc0
[  434.894255]  ? zap_class+0x640/0x640
[  434.898016]  ? print_usage_bug+0xc0/0xc0
[  434.902109]  ? print_usage_bug+0xc0/0xc0
[  434.906218]  ? zap_class+0x640/0x640
[  434.909950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.915509]  ? find_held_lock+0x36/0x1c0
[  434.919608]  ? mark_held_locks+0xc7/0x130
[  434.923762]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.928869]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  434.934010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.938590]  ? trace_hardirqs_on+0xbd/0x310
[  434.942958]  ? kasan_check_read+0x11/0x20
[  434.947151]  ? ___ratelimit+0x3b4/0x672
[  434.951128]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.956229]  ? trace_hardirqs_on+0x310/0x310
[  434.960723]  ? lock_downgrade+0x900/0x900
[  434.964905]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  434.970009]  ? ___ratelimit+0x3b9/0x672
[  434.973983]  ? idr_get_free+0xf70/0xf70
[  434.977974]  ? find_held_lock+0x36/0x1c0
[  434.982041]  oom_kill_process.cold.27+0x10/0x903
[  434.986797]  ? zap_class+0x640/0x640
[  434.990510]  ? check_preemption_disabled+0x48/0x280
[  434.995544]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.000485]  ? kasan_check_read+0x11/0x20
[  435.004646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.009935]  ? oom_evaluate_task+0x540/0x540
[  435.014367]  ? find_held_lock+0x36/0x1c0
[  435.018441]  ? out_of_memory+0x974/0x1430
[  435.022591]  ? lock_downgrade+0x900/0x900
[  435.026789]  ? check_preemption_disabled+0x48/0x280
[  435.031814]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.036748]  ? kasan_check_read+0x11/0x20
[  435.040896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.046176]  ? rcu_softirq_qs+0x20/0x20
[  435.050191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.055743]  ? oom_evaluate_task+0x302/0x540
[  435.060156]  out_of_memory+0xa84/0x1430
[  435.064144]  ? oom_killer_disable+0x3a0/0x3a0
[  435.068638]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  435.073578]  ? __ww_mutex_check_waiters+0x160/0x160
[  435.078609]  __alloc_pages_slowpath+0x232c/0x2de0
[  435.083492]  ? warn_alloc+0x120/0x120
[  435.087297]  ? mark_held_locks+0x130/0x130
[  435.091543]  ? find_get_entry+0xaae/0x1120
[  435.095804]  ? filemap_map_pages+0x1a20/0x1a20
[  435.100401]  ? zap_class+0x640/0x640
[  435.104130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.109693]  ? check_preemption_disabled+0x48/0x280
[  435.114743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.120300]  ? should_fail+0x22d/0xd01
[  435.124196]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.129320]  ? zap_class+0x640/0x640
[  435.133062]  ? __lock_is_held+0xb5/0x140
[  435.137135]  ? mark_held_locks+0x130/0x130
[  435.141379]  ? lock_release+0xa00/0xa00
[  435.145358]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.150810]  ? xa_load+0x2ba/0x460
[  435.154406]  ? lock_downgrade+0x900/0x900
[  435.158563]  ? __might_sleep+0x95/0x190
[  435.162549]  __alloc_pages_nodemask+0xad8/0xea0
[  435.167229]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.172253]  ? __page_cache_alloc+0x191/0x5c0
[  435.176750]  ? xa_load+0x2e1/0x460
[  435.180286]  ? xa_clear_mark+0x40/0x40
[  435.184190]  ? zap_class+0x640/0x640
[  435.187905]  ? zap_class+0x640/0x640
[  435.191614]  ? zap_class+0x640/0x640
[  435.195326]  ? __do_page_cache_readahead+0x663/0x810
[  435.200449]  ? find_held_lock+0x36/0x1c0
[  435.204526]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  435.210068]  alloc_pages_current+0x173/0x350
[  435.214489]  __page_cache_alloc+0x38c/0x5c0
[  435.218809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.223737]  ? kasan_check_read+0x11/0x20
[  435.227881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.233161]  ? generic_perform_write+0x6a0/0x6a0
[  435.237915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.243461]  ? check_preemption_disabled+0x48/0x280
[  435.248482]  filemap_fault+0x1595/0x25f0
[  435.252550]  ? __lock_page_or_retry+0xa00/0xa00
[  435.257232]  ? mark_held_locks+0x130/0x130
[  435.261473]  ? filemap_map_pages+0xd6b/0x1a20
[  435.265967]  ? lock_downgrade+0x900/0x900
[  435.270128]  ? check_preemption_disabled+0x48/0x280
[  435.275149]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.280073]  ? kasan_check_read+0x11/0x20
[  435.284215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.289486]  ? rcu_softirq_qs+0x20/0x20
[  435.293470]  ? filemap_map_pages+0xd92/0x1a20
[  435.297973]  ? find_get_entries_tag+0x1400/0x1400
[  435.302820]  ? debug_object_destroy+0x2b0/0x2b0
[  435.307503]  ? lock_pi_update_atomic+0x150/0x150
[  435.312254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.317801]  ? lock_acquire+0x1ed/0x520
[  435.321772]  ? ext4_filemap_fault+0x7a/0xad
[  435.326094]  ? lock_release+0xa00/0xa00
[  435.330063]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.335527]  ? print_usage_bug+0xc0/0xc0
[  435.339628]  ? print_usage_bug+0xc0/0xc0
[  435.343742]  ? down_read+0x8d/0x120
[  435.347364]  ? ext4_filemap_fault+0x7a/0xad
[  435.351691]  ? __down_interruptible+0x700/0x700
[  435.356370]  ext4_filemap_fault+0x82/0xad
[  435.360524]  __do_fault+0x100/0x6b0
[  435.364172]  ? pmd_devmap_trans_unstable+0x220/0x220
[  435.369282]  ? mark_held_locks+0x130/0x130
[  435.373544]  ? mark_held_locks+0x130/0x130
[  435.377786]  ? __might_fault+0x12b/0x1e0
[  435.381856]  ? lock_downgrade+0x900/0x900
[  435.386012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.391576]  __handle_mm_fault+0x3ea0/0x5be0
[  435.396000]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  435.400852]  ? _copy_to_user+0xc8/0x110
[  435.404846]  ? zap_class+0x640/0x640
[  435.408561]  ? zap_class+0x640/0x640
[  435.412277]  ? __x64_sys_futex+0x53e/0x6a0
[  435.416515]  ? find_held_lock+0x36/0x1c0
[  435.420588]  ? handle_mm_fault+0x42a/0xc70
[  435.424827]  ? lock_downgrade+0x900/0x900
[  435.428984]  ? check_preemption_disabled+0x48/0x280
[  435.434007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  435.438941]  ? kasan_check_read+0x11/0x20
[  435.443119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.448396]  ? rcu_softirq_qs+0x20/0x20
[  435.452377]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.457494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.463034]  ? check_preemption_disabled+0x48/0x280
[  435.468066]  handle_mm_fault+0x54f/0xc70
[  435.472132]  ? __handle_mm_fault+0x5be0/0x5be0
[  435.476720]  ? find_vma+0x34/0x190
[  435.480267]  __do_page_fault+0x5e8/0xe60
[  435.484327]  ? trace_hardirqs_off+0xb8/0x310
[  435.488737]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.494282]  do_page_fault+0xf2/0x7e0
[  435.498084]  ? vmalloc_sync_all+0x30/0x30
[  435.502248]  ? error_entry+0x70/0xd0
[  435.505977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.511036]  ? trace_hardirqs_on_caller+0xc0/0x310
[  435.515981]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.520912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.525773]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.530788]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  435.536234]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.541261]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.546277]  ? page_fault+0x8/0x30
[  435.549836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.554680]  ? page_fault+0x8/0x30
[  435.558218]  page_fault+0x1e/0x30
[  435.561685] RIP: 0033:0x45ddf3
[  435.564881] Code: Bad RIP value.
[  435.568237] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  435.573613] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  435.580878] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  435.588171] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  435.595443] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  435.602723] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  435.610061] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  435.610091] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  435.617162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.617182] Workqueue: events kernfs_notify_workfn
[  435.623644] rcu: 	0-...!: (410 ticks this GP) idle=4f2/1/0x4000000000000002 softirq=11142/11143 fqs=9 
[  435.632733] Call Trace:
[  435.632739]  <IRQ>
[  435.632760]  dump_stack+0x244/0x39d
[  435.632775]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.632798]  warn_alloc.cold.116+0xb7/0x1bd
[  435.632811]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.632829]  ? lock_downgrade+0x900/0x900
[  435.632866]  ? trace_hardirqs_off+0xb8/0x310
[  435.632884]  ? trace_hardirqs_off+0xb8/0x310
[  435.632918]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.632976]  ? warn_alloc+0x120/0x120
[  435.638162] rcu: 	(detected by 1, t=10563 jiffies, g=14129, q=10)
[  435.647636]  ? print_usage_bug+0xc0/0xc0
[  435.650196] Sending NMI from CPU 1 to CPUs 0:
[  435.652343]  ? warn_alloc+0x120/0x120
[  435.659329] NMI backtrace for cpu 0
[  435.659336] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  435.659343] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.659347] Workqueue: events kernfs_notify_workfn
[  435.659354] RIP: 0010:__sanitizer_cov_trace_pc+0x1/0x50
[  435.659381] Code: dd 28 00 00 00 4d 39 d0 72 1b 49 83 c1 01 4a 89 7c 10 e0 4a 89 74 10 e8 4a 89 54 10 f0 4a 89 4c d8 20 4c 89 08 5d c3 66 90 55 <48> 89 e5 48 8b 75 08 65 48 8b 04 25 40 ee 01 00 65 8b 15 d8 62 82
[  435.659385] RSP: 0000:ffff8881dae061a8 EFLAGS: 00000082
[  435.659393] RAX: 0000000000000102 RBX: 00000000fffffffe RCX: ffffffff87d89d4b
[  435.659412] RDX: 00000000fffffffe RSI: 0000000000000000 RDI: 0000000000000005
[  435.659418] RBP: ffff8881dae062d8 R08: ffff8881cbf46240 R09: fffffbfff1616e6c
[  435.659444] R10: fffffbfff1616e6c R11: ffffffff8b0b7360 R12: ffffffff8b0b7363
[  435.659449] R13: 0000000000000020 R14: 0000000000000002 R15: ffffffff8b0b7363
[  435.659470] FS:  0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000
[  435.659489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  435.659494] CR2: 00007f5409fd6dd3 CR3: 00000001c4804000 CR4: 00000000001406f0
[  435.659499] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  435.659504] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
[  435.659507] Call Trace:
[  435.659509]  <IRQ>
[  435.659513]  ? number+0xb66/0xca0
[  435.659516]  ? put_dec+0xf0/0xf0
[  435.659519]  ? format_decode+0x1b2/0xaf0
[  435.659523]  ? enable_ptr_key_workfn+0x30/0x30
[  435.659527]  ? mark_held_locks+0x130/0x130
[  435.659530]  vsnprintf+0x13d0/0x1b60
[  435.659533]  ? pointer+0x900/0x900
[  435.659536]  sprintf+0xb0/0xe0
[  435.659540]  ? scnprintf+0x130/0x130
[  435.659543]  print_prefix+0x26a/0x3f0
[  435.659546]  msg_print_text+0xcc/0x1d0
[  435.659550]  console_unlock+0x4e6/0x1190
[  435.659554]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  435.659557]  ? lock_release+0xa00/0xa00
[  435.659576]  ? trace_hardirqs_off+0xb8/0x310
[  435.659580]  ? do_raw_spin_trylock+0x270/0x270
[  435.659583]  ? trace_hardirqs_on+0x310/0x310
[  435.659588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.659591]  vprintk_emit+0x391/0x990
[  435.659595]  ? wake_up_klogd+0x180/0x180
[  435.659598]  ? find_held_lock+0x36/0x1c0
[  435.659602]  ? is_bpf_text_address+0xac/0x170
[  435.659606]  ? lock_downgrade+0x900/0x900
[  435.659610]  ? check_preemption_disabled+0x48/0x280
[  435.659613]  vprintk_default+0x28/0x30
[  435.659617]  vprintk_func+0x7e/0x181
[  435.659620]  ? unwind_dump+0x190/0x190
[  435.659623]  printk+0xa7/0xcf
[  435.659627]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.659631]  ? is_bpf_text_address+0xd3/0x170
[  435.659634]  ? warn_alloc+0x120/0x120
[  435.659638]  show_trace_log_lvl+0x23a/0x28c
[  435.659641]  ? warn_alloc+0x120/0x120
[  435.659645]  ? __alloc_pages_nodemask+0xad8/0xea0
[  435.659649]  show_stack+0x38/0x3a
[  435.659652]  dump_stack+0x244/0x39d
[  435.659656]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.659660]  warn_alloc.cold.116+0xb7/0x1bd
[  435.659664]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.659675]  ? lock_downgrade+0x900/0x900
[  435.659680]  ? trace_hardirqs_off+0xb8/0x310
[  435.659698]  ? trace_hardirqs_off+0xb8/0x310
[  435.659703]  __alloc_pages_slowpath+0x2651/0x2de0
[  435.659722]  ? warn_alloc+0x120/0x120
[  435.659725]  ? print_usage_bug+0xc0/0xc0
[  435.659729]  ? warn_alloc+0x120/0x120
[  435.659733]  ? warn_alloc+0x120/0x120
[  435.659737]  ? print_usage_bug+0xc0/0xc0
[  435.659741]  ? kvm_clock_read+0x18/0x30
[  435.659745]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.659749]  ? print_usage_bug+0xc0/0xc0
[  435.659753]  ? __lock_acquire+0x62f/0x4c20
[  435.659758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.659762]  ? should_fail+0x22d/0xd01
[  435.659766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.659771]  ? __lock_acquire+0x62f/0x4c20
[  435.659790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.659794]  ? __lock_acquire+0x62f/0x4c20
[  435.659797]  ? should_fail+0x22d/0xd01
[  435.659801]  ? mark_held_locks+0x130/0x130
[  435.659805]  ? mark_held_locks+0x130/0x130
[  435.659809]  ? zap_class+0x640/0x640
[  435.659813]  ? print_usage_bug+0xc0/0xc0
[  435.659817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.659822]  ? check_preemption_disabled+0x48/0x280
[  435.659825]  ? __lock_is_held+0xb5/0x140
[  435.659830]  __alloc_pages_nodemask+0xad8/0xea0
[  435.659849]  ? zap_class+0x640/0x640
[  435.659853]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.659872]  ? find_held_lock+0x36/0x1c0
[  435.659877]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.659881]  ? lock_downgrade+0x900/0x900
[  435.659886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.659890]  cache_grow_begin+0xa5/0x8c0
[  435.659894]  ? do_raw_spin_unlock+0xa7/0x330
[  435.659898]  fallback_alloc+0x204/0x2e0
[  435.659903]  ____cache_alloc_node+0x1c7/0x1e0
[  435.659907]  kmem_cache_alloc_node+0xe3/0x730
[  435.659911]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.659915]  __alloc_skb+0x119/0x770
[  435.659920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.659924]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.659928]  ? lock_downgrade+0x900/0x900
[  435.659933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.659938]  ? refcount_sub_and_test_checked+0x203/0x310
[  435.659943]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  435.659947]  ? addrconf_rs_timer+0x690/0x690
[  435.659951]  ndisc_alloc_skb+0x144/0x340
[  435.659955]  ndisc_send_rs+0x331/0x6e0
[  435.659959]  addrconf_rs_timer+0x314/0x690
[  435.659978]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.659982]  call_timer_fn+0x272/0x920
[  435.660002]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.660005]  ? process_timeout+0x40/0x40
[  435.660024]  ? mark_held_locks+0xc7/0x130
[  435.660029]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.660033]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.660037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.660040]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.660044]  ? trace_hardirqs_on+0xbd/0x310
[  435.660048]  ? kasan_check_read+0x11/0x20
[  435.660066]  ? __run_timers+0x7da/0xc70
[  435.660070]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.660074]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  435.660078]  __run_timers+0x7e5/0xc70
[  435.660082]  ? timer_fixup_init+0x70/0x70
[  435.660086]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.660090]  ? zap_class+0x640/0x640
[  435.660094]  ? print_usage_bug+0xc0/0xc0
[  435.660113]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.660117]  ? find_held_lock+0x36/0x1c0
[  435.660136]  ? zap_class+0x640/0x640
[  435.660141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.660145]  ? check_preemption_disabled+0x48/0x280
[  435.660149]  ? __lock_is_held+0xb5/0x140
[  435.660154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.660174]  ? check_preemption_disabled+0x48/0x280
[  435.660177]  run_timer_softirq+0x52/0xb0
[  435.660197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.660201]  __do_softirq+0x308/0xb7e
[  435.660205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.660223]  ? lock_downgrade+0x900/0x900
[  435.660227]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.660231]  ? pvclock_read_flags+0x160/0x160
[  435.660235]  ? lapic_next_event+0x5a/0x90
[  435.660239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.660243]  ? kvm_clock_read+0x18/0x30
[  435.660247]  ? kvm_sched_clock_read+0x9/0x20
[  435.660251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.660256]  ? check_preemption_disabled+0x48/0x280
[  435.660259]  irq_exit+0x17f/0x1c0
[  435.660263]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.660267]  ? smp_reschedule_interrupt+0x109/0x650
[  435.660272]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.660276]  ? interrupt_entry+0xb5/0xc0
[  435.660280]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.660284]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.660288]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.660292]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.660297]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.660300]  ? task_prio+0x50/0x50
[  435.660304]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.660309]  ? check_preemption_disabled+0x48/0x280
[  435.660313]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.660317]  apic_timer_interrupt+0xf/0x20
[  435.660319]  </IRQ>
[  435.660323] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  435.660335] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  435.660339] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.660348] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  435.660354] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  435.660359] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  435.660365] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  435.660370] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  435.660374]  ? mark_held_locks+0x130/0x130
[  435.660378]  ? kernfs_notify_workfn+0xf0/0x440
[  435.660382]  ? mark_held_locks+0x130/0x130
[  435.660386]  ? set_next_entity+0x493/0xc70
[  435.660389]  ? mutex_trylock+0x2b0/0x2b0
[  435.660393]  ? update_load_avg+0x2470/0x2470
[  435.660397]  ? zap_class+0x640/0x640
[  435.660400]  ? zap_class+0x640/0x640
[  435.660404]  ? print_usage_bug+0xc0/0xc0
[  435.660407]  ? find_held_lock+0x36/0x1c0
[  435.660411]  ? mark_held_locks+0xc7/0x130
[  435.660415]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.660419]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.660423]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.660432]  ? trace_hardirqs_on+0xbd/0x310
[  435.660436]  ? kasan_check_read+0x11/0x20
[  435.660440]  ? kernfs_notify_workfn+0xe2/0x440
[  435.660444]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.660448]  mutex_lock_nested+0x16/0x20
[  435.660452]  ? _raw_spin_unlock_irq+0x60/0x80
[  435.660456]  ? mutex_lock_nested+0x16/0x20
[  435.660459]  kernfs_notify_workfn+0xf0/0x440
[  435.660463]  process_one_work+0xc90/0x1c40
[  435.660467]  ? mark_held_locks+0x130/0x130
[  435.660471]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  435.660475]  ? __switch_to_asm+0x40/0x70
[  435.660479]  ? __switch_to_asm+0x34/0x70
[  435.660497]  ? __switch_to_asm+0x40/0x70
[  435.660501]  ? __switch_to_asm+0x34/0x70
[  435.660504]  ? __switch_to_asm+0x40/0x70
[  435.660508]  ? __switch_to_asm+0x34/0x70
[  435.660511]  ? __switch_to_asm+0x40/0x70
[  435.660515]  ? __switch_to_asm+0x34/0x70
[  435.660518]  ? __switch_to_asm+0x40/0x70
[  435.660522]  ? __schedule+0x8d7/0x21d0
[  435.660526]  ? lock_downgrade+0x900/0x900
[  435.660529]  ? zap_class+0x640/0x640
[  435.660532]  ? zap_class+0x64
[  435.660538] Lost 29 message(s)!
[  435.660558] rcu: rcu_preempt kthread starved for 9886 jiffies! g14129 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  435.663558]  ? warn_alloc+0x120/0x120
[  435.667857] rcu: RCU grace-period kthread stack dump:
[  435.672698]  ? print_usage_bug+0xc0/0xc0
[  435.676818] rcu_preempt     R  running task    23000    10      2 0x80000000
[  435.681238]  ? kvm_clock_read+0x18/0x30
[  435.685635] Call Trace:
[  435.690501]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.694315]  __schedule+0x8cf/0x21d0
[  435.700541]  ? print_usage_bug+0xc0/0xc0
[  435.704601]  ? __sched_text_start+0x8/0x8
[  435.709073]  ? __lock_acquire+0x62f/0x4c20
[  435.712898]  ? add_timer_on+0xa20/0xa20
[  435.716510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.723593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.732955]  ? should_fail+0x22d/0xd01
[  435.737869]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.743468]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.762374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.767730]  ? __lock_acquire+0x62f/0x4c20
[  435.774997]  ? trace_hardirqs_on+0xbd/0x310
[  435.782259]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.789519]  ? kasan_check_read+0x11/0x20
[  435.796776]  ? __lock_acquire+0x62f/0x4c20
[  435.796808]  ? should_fail+0x22d/0xd01
[  435.804090]  ? prepare_to_swait_event+0x25a/0x800
[  435.812309]  ? mark_held_locks+0x130/0x130
[  435.818186]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.825449]  ? mark_held_locks+0x130/0x130
[  435.832713]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.840003]  ? zap_class+0x640/0x640
[  435.842598]  schedule+0xfe/0x460
[  435.844733]  ? print_usage_bug+0xc0/0xc0
[  435.848168]  ? __schedule+0x21d0/0x21d0
[  435.851527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.855578]  ? prepare_to_swait_event+0x25a/0x800
[  435.860168]  ? check_preemption_disabled+0x48/0x280
[  435.864385]  ? __init_swait_queue_head+0x150/0x150
[  435.868083]  ? __lock_is_held+0xb5/0x140
[  435.871601]  ? __lockdep_init_map+0x105/0x590
[  435.874798]  __alloc_pages_nodemask+0xad8/0xea0
[  435.878510]  ? lockdep_init_map+0x9/0x10
[  435.882291]  ? zap_class+0x640/0x640
[  435.886160]  schedule_timeout+0x140/0x260
[  435.890252]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  435.894914]  ? usleep_range+0x1a0/0x1a0
[  435.898881]  ? find_held_lock+0x36/0x1c0
[  435.903266]  ? __next_timer_interrupt+0x1a0/0x1a0
[  435.907858]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.912265]  rcu_gp_fqs_loop+0x762/0xa80
[  435.917776]  ? lock_downgrade+0x900/0x900
[  435.921563]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  435.925602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.929654]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.934139]  cache_grow_begin+0xa5/0x8c0
[  435.938266]  ? perf_trace_sched_process_exec+0x860/0x860
[  435.943278]  ? do_raw_spin_unlock+0xa7/0x330
[  435.947151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.950849]  fallback_alloc+0x204/0x2e0
[  435.954719]  ? rcu_gp_init+0x90b/0x1260
[  435.957802]  ____cache_alloc_node+0x1c7/0x1e0
[  435.962550]  ? __switch_to_asm+0x40/0x70
[  435.967027]  kmem_cache_alloc_node+0xe3/0x730
[  435.970815]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  435.975138]  ? ipv6_get_ifaddr+0x42e/0x620
[  435.978934]  ? __switch_to_asm+0x40/0x70
[  435.983766]  __alloc_skb+0x119/0x770
[  435.987200]  ? find_held_lock+0x36/0x1c0
[  435.990807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.995984]  ? zap_class+0x640/0x640
[  436.000326]  ? netdev_alloc_frag+0x1f0/0x1f0
[  436.005172]  ? prepare_to_swait_event+0x25a/0x800
[  436.009309]  ? lock_downgrade+0x900/0x900
[  436.013710]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.018109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.022936]  ? find_held_lock+0x36/0x1c0
[  436.026727]  ? refcount_sub_and_test_checked+0x203/0x310
[  436.030773]  ? finish_swait+0x25d/0x430
[  436.034552]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  436.038337]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.042394]  ? addrconf_rs_timer+0x690/0x690
[  436.046352]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.051353]  ndisc_alloc_skb+0x144/0x340
[  436.055471]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.059691]  ndisc_send_rs+0x331/0x6e0
[  436.065213]  ? trace_hardirqs_on+0xbd/0x310
[  436.069085]  addrconf_rs_timer+0x314/0x690
[  436.074191]  ? kasan_check_read+0x11/0x20
[  436.078408]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.083495]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.087748]  call_timer_fn+0x272/0x920
[  436.091619]  ? __init_swait_queue_head+0x150/0x150
[  436.095833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.100066]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.103774]  ? process_timeout+0x40/0x40
[  436.107830]  ? finish_swait+0x25d/0x430
[  436.113354]  ? mark_held_locks+0xc7/0x130
[  436.118346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.122387]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.127039]  ? swake_up_locked+0x360/0x360
[  436.130734]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.135750]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.139792]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.144442]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.148569]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.154085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.158140]  ? trace_hardirqs_on+0xbd/0x310
[  436.162543]  rcu_gp_kthread+0x341/0xc70
[  436.166497]  ? kasan_check_read+0x11/0x20
[  436.170975]  ? rcu_gp_init+0x1260/0x1260
[  436.175464]  ? __run_timers+0x7da/0xc70
[  436.179699]  ? mark_held_locks+0x130/0x130
[  436.183391]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.188653]  ? __schedule+0x168a/0x21d0
[  436.193051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.197172]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.202691]  __run_timers+0x7e5/0xc70
[  436.208124]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.213560]  ? timer_fixup_init+0x70/0x70
[  436.217948]  ? trace_hardirqs_on+0xbd/0x310
[  436.221994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.222009]  ? zap_class+0x640/0x640
[  436.225883]  ? kasan_check_read+0x11/0x20
[  436.230098]  ? print_usage_bug+0xc0/0xc0
[  436.234310]  ? __schedule+0x168a/0x21d0
[  436.238176]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.242511]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.246554]  ? find_held_lock+0x36/0x1c0
[  436.250725]  ? lock_pin_lock+0x350/0x350
[  436.255216]  ? zap_class+0x640/0x640
[  436.259704]  ? _raw_spin_unlock_irq+0x60/0x80
[  436.263933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.268491]  ? __schedule+0x168a/0x21d0
[  436.272820]  ? check_preemption_disabled+0x48/0x280
[  436.276970]  ? __switch_to_asm+0x40/0x70
[  436.280931]  ? __lock_is_held+0xb5/0x140
[  436.286039]  ? __switch_to_asm+0x40/0x70
[  436.290252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.294033]  ? show_schedstat+0x561/0xf30
[  436.298164]  ? check_preemption_disabled+0x48/0x280
[  436.303175]  ? __sched_text_start+0x8/0x8
[  436.306868]  run_timer_softirq+0x52/0xb0
[  436.310912]  ? find_held_lock+0x36/0x1c0
[  436.316082]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.320158]  ? __kthread_parkme+0xce/0x1a0
[  436.323860]  __do_softirq+0x308/0xb7e
[  436.329375]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.334372]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.338414]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.343939]  ? lock_downgrade+0x900/0x900
[  436.348932]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.353011]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.358010]  ? trace_hardirqs_on+0xbd/0x310
[  436.361796]  ? pvclock_read_flags+0x160/0x160
[  436.366268]  ? kasan_check_read+0x11/0x20
[  436.370393]  ? lapic_next_event+0x5a/0x90
[  436.375474]  ? __kthread_parkme+0xce/0x1a0
[  436.380002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.384146]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.389688]  ? kvm_clock_read+0x18/0x30
[  436.393651]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.398054]  ? kvm_sched_clock_read+0x9/0x20
[  436.403577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.408576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.412016]  ? __kthread_parkme+0xfb/0x1a0
[  436.416843]  ? check_preemption_disabled+0x48/0x280
[  436.421860]  ? rcu_gp_init+0x1260/0x1260
[  436.427728]  irq_exit+0x17f/0x1c0
[  436.431771]  kthread+0x35a/0x440
[  436.436772]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.441771]  ? kthread_stop+0x900/0x900
[  436.446593]  ? smp_reschedule_interrupt+0x109/0x650
[  436.451590]  ret_from_fork+0x3a/0x50
[  436.456623]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.460451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  436.465674]  ? interrupt_entry+0xb5/0xc0
[  436.470770] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  436.475521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.479734] syz-fuzzer cpuset=/ mems_allowed=0
[  436.481972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.530264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.535105]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.540124]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.545167]  ? task_prio+0x50/0x50
[  437.548718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.554255]  ? check_preemption_disabled+0x48/0x280
[  437.559276]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.564296]  apic_timer_interrupt+0xf/0x20
[  437.568521]  </IRQ>
[  437.570792] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  437.575477] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  437.594387] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  437.602118] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  437.609395] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  437.616674] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  437.623951] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  437.631234] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  437.638539]  ? mark_held_locks+0x130/0x130
[  437.642777]  ? kernfs_notify_workfn+0xf0/0x440
[  437.647363]  ? mark_held_locks+0x130/0x130
[  437.651599]  ? set_next_entity+0x493/0xc70
[  437.655837]  ? mutex_trylock+0x2b0/0x2b0
[  437.659901]  ? update_load_avg+0x2470/0x2470
[  437.664331]  ? zap_class+0x640/0x640
[  437.668056]  ? zap_class+0x640/0x640
[  437.671785]  ? print_usage_bug+0xc0/0xc0
[  437.675865]  ? find_held_lock+0x36/0x1c0
[  437.679943]  ? mark_held_locks+0xc7/0x130
[  437.684098]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.688614]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.693128]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.697719]  ? trace_hardirqs_on+0xbd/0x310
[  437.702048]  ? kasan_check_read+0x11/0x20
[  437.706199]  ? kernfs_notify_workfn+0xe2/0x440
[  437.710789]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.715907]  mutex_lock_nested+0x16/0x20
[  437.719974]  ? _raw_spin_unlock_irq+0x60/0x80
[  437.724482]  ? mutex_lock_nested+0x16/0x20
[  437.728730]  kernfs_notify_workfn+0xf0/0x440
[  437.733146]  process_one_work+0xc90/0x1c40
[  437.737382]  ? mark_held_locks+0x130/0x130
[  437.741632]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  437.746328]  ? __switch_to_asm+0x40/0x70
[  437.750388]  ? __switch_to_asm+0x34/0x70
[  437.754450]  ? __switch_to_asm+0x40/0x70
[  437.758509]  ? __switch_to_asm+0x34/0x70
[  437.762588]  ? __switch_to_asm+0x40/0x70
[  437.766650]  ? __switch_to_asm+0x34/0x70
[  437.770722]  ? __switch_to_asm+0x40/0x70
[  437.774796]  ? __switch_to_asm+0x34/0x70
[  437.778855]  ? __switch_to_asm+0x40/0x70
[  437.782923]  ? __schedule+0x8d7/0x21d0
[  437.786827]  ? lock_downgrade+0x900/0x900
[  437.790979]  ? zap_class+0x640/0x640
[  437.794710]  ? zap_class+0x640/0x640
[  437.798444]  ? find_held_lock+0x36/0x1c0
[  437.802508]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.807107]  ? lock_acquire+0x1ed/0x520
[  437.811097]  ? worker_thread+0x3e0/0x1390
[  437.815265]  ? kasan_check_read+0x11/0x20
[  437.819431]  ? do_raw_spin_lock+0x14f/0x350
[  437.823814]  ? kasan_check_read+0x11/0x20
[  437.827997]  ? rwlock_bug.part.2+0x90/0x90
[  437.832261]  ? trace_hardirqs_on+0x310/0x310
[  437.836687]  worker_thread+0x17f/0x1390
[  437.840678]  ? __switch_to_asm+0x34/0x70
[  437.844755]  ? process_one_work+0x1c40/0x1c40
[  437.849258]  ? zap_class+0x640/0x640
[  437.853004]  ? __kthread_parkme+0xce/0x1a0
[  437.857251]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.862354]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  437.867458]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  437.872040]  ? trace_hardirqs_on+0xbd/0x310
[  437.876360]  ? kasan_check_read+0x11/0x20
[  437.880508]  ? __kthread_parkme+0xce/0x1a0
[  437.884742]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.889845]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.894956]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  437.900060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.905615]  ? __kthread_parkme+0xfb/0x1a0
[  437.909884]  ? process_one_work+0x1c40/0x1c40
[  437.914378]  kthread+0x35a/0x440
[  437.917742]  ? kthread_stop+0x900/0x900
[  437.921717]  ret_from_fork+0x3a/0x50
[  437.925502] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  437.925507] warn_alloc_show_mem: 1 callbacks suppressed
[  437.925513] Mem-Info:
[  437.932526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.937894] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  437.937894]  active_file:9 inactive_file:10 isolated_file:8
[  437.937894]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.937894]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  437.937894]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  437.937894]  free:13786 free_pcp:282 free_cma:0
[  437.940265] Call Trace:
[  437.949645] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.982591]  <IRQ>
[  437.985159] 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
[  438.013034]  dump_stack+0x244/0x39d
[  438.015155] lowmem_reserve[]: 0 2818 6321 6321
[  438.041278]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.044875] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  438.049474]  warn_alloc.cold.116+0xb7/0x1bd
[  438.054628] lowmem_reserve[]: 0 0 3503 3503
[  438.081965]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.086256] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  438.090569]  ? lock_downgrade+0x900/0x900
[  438.095379] lowmem_reserve[]: 0 0 0 0
[  438.124289]  ? trace_hardirqs_off+0xb8/0x310
[  438.128412] 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
[  438.132215]  ? trace_hardirqs_off+0xb8/0x310
[  438.136595] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  438.150124]  __alloc_pages_slowpath+0x2651/0x2de0
[  438.154502] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  438.169703]  ? warn_alloc+0x120/0x120
[  438.174507] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  438.189515]  ? print_usage_bug+0xc0/0xc0
[  438.193289] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  438.202117]  ? warn_alloc+0x120/0x120
[  438.206153] 4366 total pagecache pages
[  438.214742]  ? warn_alloc+0x120/0x120
[  438.218522] 0 pages in swap cache
[  438.222396]  ? print_usage_bug+0xc0/0xc0
[  438.226167] Swap cache stats: add 0, delete 0, find 0/0
[  438.229622]  ? kvm_clock_read+0x18/0x30
[  438.233655] Free swap  = 0kB
[  438.239029]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.242975] Total swap = 0kB
[  438.245986]  ? print_usage_bug+0xc0/0xc0
[  438.250974] 1965979 pages RAM
[  438.253995]  ? __lock_acquire+0x62f/0x4c20
[  438.258024] 0 pages HighMem/MovableOnly
[  438.261123]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.265335] 342854 pages reserved
[  438.269300]  ? should_fail+0x22d/0xd01
[  438.274821] 0 pages cma reserved
[  438.278265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.282306] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.412 msecs
[  438.285474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.290778] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  438.299241]  ? __lock_acquire+0x62f/0x4c20
[  438.304473] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.310801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.315009] kworker/0:2 cpuset=/ mems_allowed=0
[  438.325347]  ? __lock_acquire+0x62f/0x4c20
[  438.339326]  ? should_fail+0x22d/0xd01
[  438.343209]  ? rcu_irq_exit+0x1a2/0x390
[  438.347191]  ? mark_held_locks+0x130/0x130
[  438.351447]  ? mark_held_locks+0x130/0x130
[  438.355720]  ? mark_held_locks+0xc7/0x130
[  438.359866]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  438.364900]  ? zap_class+0x640/0x640
[  438.368608]  ? print_usage_bug+0xc0/0xc0
[  438.372691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.378232]  ? check_preemption_disabled+0x48/0x280
[  438.383267]  ? __lock_is_held+0xb5/0x140
[  438.387332]  __alloc_pages_nodemask+0xad8/0xea0
[  438.392016]  ? zap_class+0x640/0x640
[  438.395791]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  438.400816]  ? find_held_lock+0x36/0x1c0
[  438.404902]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.409586]  ? lock_downgrade+0x900/0x900
[  438.413754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.419312]  cache_grow_begin+0xa5/0x8c0
[  438.423374]  ? do_raw_spin_unlock+0xa7/0x330
[  438.427786]  fallback_alloc+0x204/0x2e0
[  438.431781]  ____cache_alloc_node+0x1c7/0x1e0
[  438.436281]  kmem_cache_alloc_node+0xe3/0x730
[  438.440775]  ? ipv6_get_ifaddr+0x42e/0x620
[  438.445031]  __alloc_skb+0x119/0x770
[  438.448757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.454036]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.458456]  ? lock_downgrade+0x900/0x900
[  438.462623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.468227]  ? refcount_sub_and_test_checked+0x203/0x310
[  438.473686]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  438.479146]  ? addrconf_rs_timer+0x690/0x690
[  438.483570]  ndisc_alloc_skb+0x144/0x340
[  438.487649]  ndisc_send_rs+0x331/0x6e0
[  438.491545]  addrconf_rs_timer+0x314/0x690
[  438.495783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.500025]  call_timer_fn+0x272/0x920
[  438.503912]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.508142]  ? process_timeout+0x40/0x40
[  438.512213]  ? mark_held_locks+0xc7/0x130
[  438.516360]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.520854]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.525347]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.529582]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.534160]  ? trace_hardirqs_on+0xbd/0x310
[  438.538479]  ? kasan_check_read+0x11/0x20
[  438.542626]  ? __run_timers+0x7da/0xc70
[  438.546599]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.551762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.556009]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  438.560239]  __run_timers+0x7e5/0xc70
[  438.564075]  ? timer_fixup_init+0x70/0x70
[  438.568223]  ? kasan_check_read+0x11/0x20
[  438.572385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.577684]  ? rcu_softirq_qs+0x20/0x20
[  438.581664]  ? mark_held_locks+0xc7/0x130
[  438.585823]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.590581]  ? retint_kernel+0x2d/0x2d
[  438.594467]  ? trace_hardirqs_on_caller+0xc0/0x310
[  438.599416]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.604195]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  438.609820]  ? zap_class+0x640/0x640
[  438.613592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.619132]  ? check_preemption_disabled+0x48/0x280
[  438.624158]  ? __lock_is_held+0xb5/0x140
[  438.628279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.633834]  ? check_preemption_disabled+0x48/0x280
[  438.638878]  run_timer_softirq+0x52/0xb0
[  438.642951]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.648018]  __do_softirq+0x308/0xb7e
[  438.651843]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.656334]  ? lock_downgrade+0x900/0x900
[  438.660489]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.665606]  ? pvclock_read_flags+0x160/0x160
[  438.670103]  ? lapic_next_event+0x5a/0x90
[  438.674257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.679797]  ? kvm_clock_read+0x18/0x30
[  438.683767]  ? kvm_sched_clock_read+0x9/0x20
[  438.688170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.693746]  ? check_preemption_disabled+0x48/0x280
[  438.698769]  irq_exit+0x17f/0x1c0
[  438.702223]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.707076]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.713005]  ? interrupt_entry+0xb5/0xc0
[  438.717080]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.722091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.727128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.731975]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.736984]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.741991]  ? task_prio+0x50/0x50
[  438.745555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.751102]  ? check_preemption_disabled+0x48/0x280
[  438.756141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.760988]  apic_timer_interrupt+0xf/0x20
[  438.765216]  </IRQ>
[  438.767460] RIP: 0010:dump_stack+0x358/0x39d
[  438.771866] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  438.790759] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  438.798466] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  438.805728] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  438.813006] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  438.820273] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  438.827552] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  438.834847]  ? dump_stack+0x34f/0x39d
[  438.838657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.843853]  ? mark_held_locks+0x130/0x130
[  438.848083]  ? mark_held_locks+0x130/0x130
[  438.852317]  dump_header+0x27b/0xf72
[  438.856031]  ? pagefault_out_of_memory+0x197/0x197
[  438.860966]  ? __lock_acquire+0x62f/0x4c20
[  438.865201]  ? percpu_ref_get_many+0x240/0x240
[  438.869792]  ? print_usage_bug+0xc0/0xc0
[  438.873853]  ? zap_class+0x640/0x640
[  438.877575]  ? print_usage_bug+0xc0/0xc0
[  438.881676]  ? print_usage_bug+0xc0/0xc0
[  438.885782]  ? zap_class+0x640/0x640
[  438.889510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.895050]  ? find_held_lock+0x36/0x1c0
[  438.899163]  ? mark_held_locks+0xc7/0x130
[  438.903360]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.908494]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.913599]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.918184]  ? trace_hardirqs_on+0xbd/0x310
[  438.922518]  ? kasan_check_read+0x11/0x20
[  438.926666]  ? ___ratelimit+0x3b4/0x672
[  438.930652]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.935766]  ? trace_hardirqs_on+0x310/0x310
[  438.940178]  ? lock_downgrade+0x900/0x900
[  438.944348]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  438.949454]  ? ___ratelimit+0x3b9/0x672
[  438.953440]  ? idr_get_free+0xf70/0xf70
[  438.957438]  ? find_held_lock+0x36/0x1c0
[  438.961512]  oom_kill_process.cold.27+0x10/0x903
[  438.966268]  ? zap_class+0x640/0x640
[  438.969997]  ? check_preemption_disabled+0x48/0x280
[  438.975018]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  438.979947]  ? kasan_check_read+0x11/0x20
[  438.984138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.989415]  ? oom_evaluate_task+0x540/0x540
[  438.993829]  ? find_held_lock+0x36/0x1c0
[  438.997900]  ? out_of_memory+0x974/0x1430
[  439.002079]  ? lock_downgrade+0x900/0x900
[  439.006235]  ? check_preemption_disabled+0x48/0x280
[  439.011258]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.016191]  ? kasan_check_read+0x11/0x20
[  439.020343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.025620]  ? rcu_softirq_qs+0x20/0x20
[  439.029615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.035149]  ? oom_evaluate_task+0x302/0x540
[  439.039579]  out_of_memory+0xa84/0x1430
[  439.043567]  ? oom_killer_disable+0x3a0/0x3a0
[  439.048066]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  439.052997]  ? __ww_mutex_check_waiters+0x160/0x160
[  439.058130]  __alloc_pages_slowpath+0x232c/0x2de0
[  439.063007]  ? warn_alloc+0x120/0x120
[  439.066807]  ? mark_held_locks+0x130/0x130
[  439.071046]  ? find_get_entry+0xaae/0x1120
[  439.075291]  ? filemap_map_pages+0x1a20/0x1a20
[  439.079892]  ? zap_class+0x640/0x640
[  439.083613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.089164]  ? check_preemption_disabled+0x48/0x280
[  439.094186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.099763]  ? should_fail+0x22d/0xd01
[  439.103657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.108774]  ? zap_class+0x640/0x640
[  439.112532]  ? __lock_is_held+0xb5/0x140
[  439.116600]  ? mark_held_locks+0x130/0x130
[  439.120840]  ? lock_release+0xa00/0xa00
[  439.124820]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.130271]  ? xa_load+0x2ba/0x460
[  439.133811]  ? lock_downgrade+0x900/0x900
[  439.137981]  ? __might_sleep+0x95/0x190
[  439.141960]  __alloc_pages_nodemask+0xad8/0xea0
[  439.146636]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  439.151704]  ? __page_cache_alloc+0x191/0x5c0
[  439.156242]  ? xa_load+0x2e1/0x460
[  439.159778]  ? xa_clear_mark+0x40/0x40
[  439.163663]  ? zap_class+0x640/0x640
[  439.167407]  ? zap_class+0x640/0x640
[  439.171149]  ? zap_class+0x640/0x640
[  439.174856]  ? __do_page_cache_readahead+0x663/0x810
[  439.179956]  ? find_held_lock+0x36/0x1c0
[  439.184015]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  439.189565]  alloc_pages_current+0x173/0x350
[  439.193984]  __page_cache_alloc+0x38c/0x5c0
[  439.198298]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.203223]  ? kasan_check_read+0x11/0x20
[  439.207368]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.212642]  ? generic_perform_write+0x6a0/0x6a0
[  439.217402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.222950]  ? check_preemption_disabled+0x48/0x280
[  439.227967]  filemap_fault+0x1595/0x25f0
[  439.232035]  ? __lock_page_or_retry+0xa00/0xa00
[  439.236732]  ? mark_held_locks+0x130/0x130
[  439.240974]  ? filemap_map_pages+0xd6b/0x1a20
[  439.245468]  ? lock_downgrade+0x900/0x900
[  439.249613]  ? check_preemption_disabled+0x48/0x280
[  439.254626]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.259550]  ? kasan_check_read+0x11/0x20
[  439.263717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.269020]  ? rcu_softirq_qs+0x20/0x20
[  439.273015]  ? filemap_map_pages+0xd92/0x1a20
[  439.277519]  ? find_get_entries_tag+0x1400/0x1400
[  439.282359]  ? debug_object_destroy+0x2b0/0x2b0
[  439.287024]  ? lock_pi_update_atomic+0x150/0x150
[  439.291771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.297313]  ? lock_acquire+0x1ed/0x520
[  439.301296]  ? ext4_filemap_fault+0x7a/0xad
[  439.305633]  ? lock_release+0xa00/0xa00
[  439.309605]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.315052]  ? print_usage_bug+0xc0/0xc0
[  439.319106]  ? print_usage_bug+0xc0/0xc0
[  439.323199]  ? down_read+0x8d/0x120
[  439.326836]  ? ext4_filemap_fault+0x7a/0xad
[  439.331157]  ? __down_interruptible+0x700/0x700
[  439.335849]  ext4_filemap_fault+0x82/0xad
[  439.339993]  __do_fault+0x100/0x6b0
[  439.343615]  ? pmd_devmap_trans_unstable+0x220/0x220
[  439.348714]  ? mark_held_locks+0x130/0x130
[  439.352950]  ? mark_held_locks+0x130/0x130
[  439.357182]  ? __might_fault+0x12b/0x1e0
[  439.361256]  ? lock_downgrade+0x900/0x900
[  439.365408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.370955]  __handle_mm_fault+0x3ea0/0x5be0
[  439.375373]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  439.380234]  ? _copy_to_user+0xc8/0x110
[  439.384246]  ? zap_class+0x640/0x640
[  439.387975]  ? zap_class+0x640/0x640
[  439.391690]  ? __x64_sys_futex+0x53e/0x6a0
[  439.395936]  ? find_held_lock+0x36/0x1c0
[  439.400007]  ? handle_mm_fault+0x42a/0xc70
[  439.404246]  ? lock_downgrade+0x900/0x900
[  439.408416]  ? check_preemption_disabled+0x48/0x280
[  439.413452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.418389]  ? kasan_check_read+0x11/0x20
[  439.422536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.427824]  ? rcu_softirq_qs+0x20/0x20
[  439.431798]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.436900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.442440]  ? check_preemption_disabled+0x48/0x280
[  439.447464]  handle_mm_fault+0x54f/0xc70
[  439.451528]  ? __handle_mm_fault+0x5be0/0x5be0
[  439.456117]  ? find_vma+0x34/0x190
[  439.459665]  __do_page_fault+0x5e8/0xe60
[  439.463762]  ? trace_hardirqs_off+0xb8/0x310
[  439.468178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  439.473727]  do_page_fault+0xf2/0x7e0
[  439.477542]  ? vmalloc_sync_all+0x30/0x30
[  439.481698]  ? error_entry+0x70/0xd0
[  439.485423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.490461]  ? trace_hardirqs_on_caller+0xc0/0x310
[  439.495399]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.500348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.505193]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.510254]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.515706]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  439.520735]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.525750]  ? page_fault+0x8/0x30
[  439.529296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.534146]  ? page_fault+0x8/0x30
[  439.537696]  page_fault+0x1e/0x30
[  439.541146] RIP: 0033:0x45ddf3
[  439.544350] Code: Bad RIP value.
[  439.547716] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  439.553093] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  439.560359] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  439.567626] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  439.574893] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  439.582192] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  439.589484] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  439.589547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  439.596597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.596614] Workqueue: events kernfs_notify_workfn
[  439.603168] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  439.612425] Call Trace:
[  439.617394] syz-fuzzer cpuset=/ mems_allowed=0
[  439.627605]  <IRQ>
[  439.636897]  dump_stack+0x244/0x39d
[  439.640531]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.645735]  warn_alloc.cold.116+0xb7/0x1bd
[  439.650061]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.654906]  ? lock_downgrade+0x900/0x900
[  439.659064]  ? trace_hardirqs_off+0xb8/0x310
[  439.663481]  ? trace_hardirqs_off+0xb8/0x310
[  439.667898]  __alloc_pages_slowpath+0x2651/0x2de0
[  439.672806]  ? warn_alloc+0x120/0x120
[  439.676606]  ? print_usage_bug+0xc0/0xc0
[  439.680673]  ? warn_alloc+0x120/0x120
[  439.684481]  ? warn_alloc+0x120/0x120
[  439.688300]  ? print_usage_bug+0xc0/0xc0
[  439.692380]  ? kvm_clock_read+0x18/0x30
[  439.696353]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  439.701368]  ? print_usage_bug+0xc0/0xc0
[  439.705432]  ? __lock_acquire+0x62f/0x4c20
[  439.709678]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.715215]  ? should_fail+0x22d/0xd01
[  439.719101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.724381]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.729481]  ? __lock_acquire+0x62f/0x4c20
[  439.733720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.738819]  ? __lock_acquire+0x62f/0x4c20
[  439.743215]  ? should_fail+0x22d/0xd01
[  439.747163]  ? rcu_irq_exit+0x1a2/0x390
[  439.751181]  ? mark_held_locks+0x130/0x130
[  439.755439]  ? mark_held_locks+0x130/0x130
[  439.759687]  ? mark_held_locks+0xc7/0x130
[  439.763849]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  439.768910]  ? zap_class+0x640/0x640
[  439.772636]  ? print_usage_bug+0xc0/0xc0
[  439.776705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.782266]  ? check_preemption_disabled+0x48/0x280
[  439.787287]  ? __lock_is_held+0xb5/0x140
[  439.791351]  __alloc_pages_nodemask+0xad8/0xea0
[  439.796052]  ? zap_class+0x640/0x640
[  439.799800]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  439.804824]  ? find_held_lock+0x36/0x1c0
[  439.808969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  439.813650]  ? lock_downgrade+0x900/0x900
[  439.817810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.823345]  cache_grow_begin+0xa5/0x8c0
[  439.827404]  ? do_raw_spin_unlock+0xa7/0x330
[  439.831815]  fallback_alloc+0x204/0x2e0
[  439.835811]  ____cache_alloc_node+0x1c7/0x1e0
[  439.840310]  kmem_cache_alloc_node+0xe3/0x730
[  439.844829]  ? ipv6_get_ifaddr+0x42e/0x620
[  439.849066]  __alloc_skb+0x119/0x770
[  439.852771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.858042]  ? netdev_alloc_frag+0x1f0/0x1f0
[  439.862476]  ? lock_downgrade+0x900/0x900
[  439.866639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.872203]  ? refcount_sub_and_test_checked+0x203/0x310
[  439.877687]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  439.883134]  ? addrconf_rs_timer+0x690/0x690
[  439.887572]  ndisc_alloc_skb+0x144/0x340
[  439.891681]  ndisc_send_rs+0x331/0x6e0
[  439.895585]  addrconf_rs_timer+0x314/0x690
[  439.899818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.904064]  call_timer_fn+0x272/0x920
[  439.907979]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.912241]  ? process_timeout+0x40/0x40
[  439.916332]  ? mark_held_locks+0xc7/0x130
[  439.920477]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.924990]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.929476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.933705]  ? lockdep_hardirqs_on+0x296/0x5b0
[  439.938285]  ? trace_hardirqs_on+0xbd/0x310
[  439.942611]  ? kasan_check_read+0x11/0x20
[  439.946770]  ? __run_timers+0x7da/0xc70
[  439.950738]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.955854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.960102]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  439.964342]  __run_timers+0x7e5/0xc70
[  439.968186]  ? timer_fixup_init+0x70/0x70
[  439.972369]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  439.977381]  ? zap_class+0x640/0x640
[  439.981091]  ? print_usage_bug+0xc0/0xc0
[  439.985164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  439.990349]  ? find_held_lock+0x36/0x1c0
[  439.994405]  ? zap_class+0x640/0x640
[  439.998112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.003656]  ? check_preemption_disabled+0x48/0x280
[  440.008725]  ? __lock_is_held+0xb5/0x140
[  440.012842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.018378]  ? check_preemption_disabled+0x48/0x280
[  440.023388]  run_timer_softirq+0x52/0xb0
[  440.027439]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.032465]  __do_softirq+0x308/0xb7e
[  440.036272]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.040799]  ? lock_downgrade+0x900/0x900
[  440.044944]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.050045]  ? pvclock_read_flags+0x160/0x160
[  440.054540]  ? lapic_next_event+0x5a/0x90
[  440.058687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.064224]  ? kvm_clock_read+0x18/0x30
[  440.068193]  ? kvm_sched_clock_read+0x9/0x20
[  440.072624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.078155]  ? check_preemption_disabled+0x48/0x280
[  440.083223]  irq_exit+0x17f/0x1c0
[  440.086676]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.091513]  ? smp_reschedule_interrupt+0x109/0x650
[  440.096545]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.102441]  ? interrupt_entry+0xb5/0xc0
[  440.106497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.111522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.116534]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.121370]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.126411]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.131437]  ? task_prio+0x50/0x50
[  440.134975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.140510]  ? check_preemption_disabled+0x48/0x280
[  440.145562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.150417]  apic_timer_interrupt+0xf/0x20
[  440.154636]  </IRQ>
[  440.156884] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  440.161616] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  440.180519] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  440.188253] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  440.195523] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  440.202790] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  440.210063] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  440.217322] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  440.224602]  ? mark_held_locks+0x130/0x130
[  440.228828]  ? kernfs_notify_workfn+0xf0/0x440
[  440.233407]  ? mark_held_locks+0x130/0x130
[  440.237652]  ? set_next_entity+0x493/0xc70
[  440.241901]  ? mutex_trylock+0x2b0/0x2b0
[  440.245961]  ? update_load_avg+0x2470/0x2470
[  440.250367]  ? zap_class+0x640/0x640
[  440.254099]  ? zap_class+0x640/0x640
[  440.257840]  ? print_usage_bug+0xc0/0xc0
[  440.261938]  ? find_held_lock+0x36/0x1c0
[  440.266016]  ? mark_held_locks+0xc7/0x130
[  440.270156]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.274644]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.279154]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.283781]  ? trace_hardirqs_on+0xbd/0x310
[  440.288110]  ? kasan_check_read+0x11/0x20
[  440.292262]  ? kernfs_notify_workfn+0xe2/0x440
[  440.296854]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.301996]  mutex_lock_nested+0x16/0x20
[  440.306065]  ? _raw_spin_unlock_irq+0x60/0x80
[  440.310587]  ? mutex_lock_nested+0x16/0x20
[  440.314820]  kernfs_notify_workfn+0xf0/0x440
[  440.319233]  process_one_work+0xc90/0x1c40
[  440.323462]  ? mark_held_locks+0x130/0x130
[  440.327746]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  440.332442]  ? __switch_to_asm+0x40/0x70
[  440.336497]  ? __switch_to_asm+0x34/0x70
[  440.340555]  ? __switch_to_asm+0x40/0x70
[  440.344613]  ? __switch_to_asm+0x34/0x70
[  440.348677]  ? __switch_to_asm+0x40/0x70
[  440.352736]  ? __switch_to_asm+0x34/0x70
[  440.356815]  ? __switch_to_asm+0x40/0x70
[  440.360903]  ? __switch_to_asm+0x34/0x70
[  440.364966]  ? __switch_to_asm+0x40/0x70
[  440.369041]  ? __schedule+0x8d7/0x21d0
[  440.372944]  ? lock_downgrade+0x900/0x900
[  440.377097]  ? zap_class+0x640/0x640
[  440.380815]  ? zap_class+0x640/0x640
[  440.384541]  ? find_held_lock+0x36/0x1c0
[  440.388614]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.393215]  ? lock_acquire+0x1ed/0x520
[  440.397198]  ? worker_thread+0x3e0/0x1390
[  440.401357]  ? kasan_check_read+0x11/0x20
[  440.405523]  ? do_raw_spin_lock+0x14f/0x350
[  440.409876]  ? kasan_check_read+0x11/0x20
[  440.414036]  ? rwlock_bug.part.2+0x90/0x90
[  440.418273]  ? trace_hardirqs_on+0x310/0x310
[  440.422710]  worker_thread+0x17f/0x1390
[  440.426694]  ? __switch_to_asm+0x34/0x70
[  440.430787]  ? process_one_work+0x1c40/0x1c40
[  440.435296]  ? zap_class+0x640/0x640
[  440.439061]  ? __kthread_parkme+0xce/0x1a0
[  440.443306]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.448417]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  440.453524]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.458124]  ? trace_hardirqs_on+0xbd/0x310
[  440.462446]  ? kasan_check_read+0x11/0x20
[  440.466598]  ? __kthread_parkme+0xce/0x1a0
[  440.470838]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.475952]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.481072]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  440.486185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.491726]  ? __kthread_parkme+0xfb/0x1a0
[  440.495971]  ? process_one_work+0x1c40/0x1c40
[  440.500476]  kthread+0x35a/0x440
[  440.503852]  ? kthread_stop+0x900/0x900
[  440.507842]  ret_from_fork+0x3a/0x50
[  440.511570] warn_alloc_show_mem: 1 callbacks suppressed
[  440.511581] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  440.511583] Mem-Info:
[  440.511614] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  440.511614]  active_file:9 inactive_file:10 isolated_file:8
[  440.511614]  unevictable:0 dirty:0 writeback:0 unstable:0
[  440.511614]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  440.511614]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  440.511614]  free:13786 free_pcp:282 free_cma:0
[  440.516966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.523990] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  440.526390] Call Trace:
[  440.559355] 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
[  440.568708]  <IRQ>
[  440.596555] lowmem_reserve[]: 0 2818 6321 6321
[  440.599148]  dump_stack+0x244/0x39d
[  440.625453] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  440.627632]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.632191] lowmem_reserve[]: 0 0 3503 3503
[  440.635867]  warn_alloc.cold.116+0xb7/0x1bd
[  440.663172] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  440.668366]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.672656] lowmem_reserve[]: 0 0 0 0
[  440.677013]  ? lock_downgrade+0x900/0x900
[  440.705890] 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
[  440.710739]  ? trace_hardirqs_off+0xb8/0x310
[  440.714505] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  440.718645]  ? trace_hardirqs_off+0xb8/0x310
[  440.732139] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  440.736543]  __alloc_pages_slowpath+0x2651/0x2de0
[  440.751735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.756191]  ? warn_alloc+0x120/0x120
[  440.771149] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.776012]  ? print_usage_bug+0xc0/0xc0
[  440.784817] 4366 total pagecache pages
[  440.788624]  ? warn_alloc+0x120/0x120
[  440.797180] 0 pages in swap cache
[  440.801236]  ? warn_alloc+0x120/0x120
[  440.805114] Swap cache stats: add 0, delete 0, find 0/0
[  440.808903]  ? print_usage_bug+0xc0/0xc0
[  440.812327] Free swap  = 0kB
[  440.816115]  ? kvm_clock_read+0x18/0x30
[  440.821453] Total swap = 0kB
[  440.825565]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  440.828556] 1965979 pages RAM
[  440.832519]  ? print_usage_bug+0xc0/0xc0
[  440.835527] 0 pages HighMem/MovableOnly
[  440.840531]  ? __lock_acquire+0x62f/0x4c20
[  440.843612] 342854 pages reserved
[  440.847664]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.851616] 0 pages cma reserved
[  440.855856]  ? should_fail+0x22d/0xd01
[  440.859347] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  440.864816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.864832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.864847]  ? __lock_acquire+0x62f/0x4c20
[  440.868259] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.872084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.878551] kworker/0:2 cpuset=/ mems_allowed=0
[  440.883813]  ? __lock_acquire+0x62f/0x4c20
[  440.917451]  ? should_fail+0x22d/0xd01
[  440.921329]  ? rcu_irq_exit+0x1a2/0x390
[  440.925336]  ? mark_held_locks+0x130/0x130
[  440.929583]  ? mark_held_locks+0x130/0x130
[  440.933840]  ? mark_held_locks+0xc7/0x130
[  440.937989]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  440.943023]  ? zap_class+0x640/0x640
[  440.946738]  ? print_usage_bug+0xc0/0xc0
[  440.950810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.956349]  ? check_preemption_disabled+0x48/0x280
[  440.961372]  ? __lock_is_held+0xb5/0x140
[  440.965452]  __alloc_pages_nodemask+0xad8/0xea0
[  440.970124]  ? zap_class+0x640/0x640
[  440.973848]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  440.978880]  ? find_held_lock+0x36/0x1c0
[  440.982953]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.987620]  ? lock_downgrade+0x900/0x900
[  440.991772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.997331]  cache_grow_begin+0xa5/0x8c0
[  441.001393]  ? do_raw_spin_unlock+0xa7/0x330
[  441.005826]  fallback_alloc+0x204/0x2e0
[  441.009814]  ____cache_alloc_node+0x1c7/0x1e0
[  441.014336]  kmem_cache_alloc_node+0xe3/0x730
[  441.018838]  ? ipv6_get_ifaddr+0x42e/0x620
[  441.023119]  __alloc_skb+0x119/0x770
[  441.026849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.032130]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.036576]  ? lock_downgrade+0x900/0x900
[  441.040763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.046299]  ? refcount_sub_and_test_checked+0x203/0x310
[  441.051754]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  441.057229]  ? addrconf_rs_timer+0x690/0x690
[  441.061650]  ndisc_alloc_skb+0x144/0x340
[  441.065732]  ndisc_send_rs+0x331/0x6e0
[  441.069627]  addrconf_rs_timer+0x314/0x690
[  441.073880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.078152]  call_timer_fn+0x272/0x920
[  441.082039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.086287]  ? process_timeout+0x40/0x40
[  441.090370]  ? mark_held_locks+0xc7/0x130
[  441.094514]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.099005]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.103498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.107731]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.112325]  ? trace_hardirqs_on+0xbd/0x310
[  441.116662]  ? kasan_check_read+0x11/0x20
[  441.120818]  ? __run_timers+0x7da/0xc70
[  441.124792]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.129896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.134145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  441.138399]  __run_timers+0x7e5/0xc70
[  441.142253]  ? timer_fixup_init+0x70/0x70
[  441.146436]  ? kasan_check_read+0x11/0x20
[  441.150583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.155861]  ? rcu_softirq_qs+0x20/0x20
[  441.159847]  ? mark_held_locks+0xc7/0x130
[  441.164002]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.168762]  ? retint_kernel+0x2d/0x2d
[  441.172656]  ? trace_hardirqs_on_caller+0xc0/0x310
[  441.177623]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  441.182380]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  441.187831]  ? zap_class+0x640/0x640
[  441.191560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.197099]  ? check_preemption_disabled+0x48/0x280
[  441.202131]  ? __lock_is_held+0xb5/0x140
[  441.206197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.211735]  ? check_preemption_disabled+0x48/0x280
[  441.216757]  run_timer_softirq+0x52/0xb0
[  441.220820]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.225838]  __do_softirq+0x308/0xb7e
[  441.229656]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.234159]  ? lock_downgrade+0x900/0x900
[  441.238318]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.243436]  ? pvclock_read_flags+0x160/0x160
[  441.247946]  ? lapic_next_event+0x5a/0x90
[  441.252138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.257704]  ? kvm_clock_read+0x18/0x30
[  441.261687]  ? kvm_sched_clock_read+0x9/0x20
[  441.266100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.271641]  ? check_preemption_disabled+0x48/0x280
[  441.276680]  irq_exit+0x17f/0x1c0
[  441.280150]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.284998]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.290881]  ? interrupt_entry+0xb5/0xc0
[  441.294961]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.299977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.305003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.309871]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.314916]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.319953]  ? task_prio+0x50/0x50
[  441.323497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.329037]  ? check_preemption_disabled+0x48/0x280
[  441.334064]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.338931]  apic_timer_interrupt+0xf/0x20
[  441.343167]  </IRQ>
[  441.345419] RIP: 0010:dump_stack+0x358/0x39d
[  441.349839] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  441.368738] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  441.376447] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  441.383713] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  441.390976] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  441.398236] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  441.405522] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  441.412804]  ? dump_stack+0x34f/0x39d
[  441.416657]  ? dump_stack_print_info.cold.1+0x20/0x20
[  441.421874]  ? mark_held_locks+0x130/0x130
[  441.426105]  ? mark_held_locks+0x130/0x130
[  441.430339]  dump_header+0x27b/0xf72
[  441.434060]  ? pagefault_out_of_memory+0x197/0x197
[  441.439018]  ? __lock_acquire+0x62f/0x4c20
[  441.443288]  ? percpu_ref_get_many+0x240/0x240
[  441.447883]  ? print_usage_bug+0xc0/0xc0
[  441.451944]  ? zap_class+0x640/0x640
[  441.455665]  ? print_usage_bug+0xc0/0xc0
[  441.459731]  ? print_usage_bug+0xc0/0xc0
[  441.463828]  ? zap_class+0x640/0x640
[  441.467559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.473099]  ? find_held_lock+0x36/0x1c0
[  441.477164]  ? mark_held_locks+0xc7/0x130
[  441.481325]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.486433]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.491551]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.496146]  ? trace_hardirqs_on+0xbd/0x310
[  441.500463]  ? kasan_check_read+0x11/0x20
[  441.504609]  ? ___ratelimit+0x3b4/0x672
[  441.508579]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.513685]  ? trace_hardirqs_on+0x310/0x310
[  441.518094]  ? lock_downgrade+0x900/0x900
[  441.522244]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.527376]  ? ___ratelimit+0x3b9/0x672
[  441.531366]  ? idr_get_free+0xf70/0xf70
[  441.535354]  ? find_held_lock+0x36/0x1c0
[  441.539424]  oom_kill_process.cold.27+0x10/0x903
[  441.544185]  ? zap_class+0x640/0x640
[  441.547923]  ? check_preemption_disabled+0x48/0x280
[  441.553047]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.557978]  ? kasan_check_read+0x11/0x20
[  441.562124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.567404]  ? oom_evaluate_task+0x540/0x540
[  441.571824]  ? find_held_lock+0x36/0x1c0
[  441.575897]  ? out_of_memory+0x974/0x1430
[  441.580049]  ? lock_downgrade+0x900/0x900
[  441.584199]  ? check_preemption_disabled+0x48/0x280
[  441.589220]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.594152]  ? kasan_check_read+0x11/0x20
[  441.598300]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.603576]  ? rcu_softirq_qs+0x20/0x20
[  441.607554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.613107]  ? oom_evaluate_task+0x302/0x540
[  441.617524]  out_of_memory+0xa84/0x1430
[  441.621504]  ? oom_killer_disable+0x3a0/0x3a0
[  441.626003]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  441.630943]  ? __ww_mutex_check_waiters+0x160/0x160
[  441.635976]  __alloc_pages_slowpath+0x232c/0x2de0
[  441.640847]  ? warn_alloc+0x120/0x120
[  441.644646]  ? mark_held_locks+0x130/0x130
[  441.648896]  ? find_get_entry+0xaae/0x1120
[  441.653139]  ? filemap_map_pages+0x1a20/0x1a20
[  441.657732]  ? zap_class+0x640/0x640
[  441.661472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.667013]  ? check_preemption_disabled+0x48/0x280
[  441.672032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.677571]  ? should_fail+0x22d/0xd01
[  441.681470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.686575]  ? zap_class+0x640/0x640
[  441.690315]  ? __lock_is_held+0xb5/0x140
[  441.694390]  ? mark_held_locks+0x130/0x130
[  441.698630]  ? lock_release+0xa00/0xa00
[  441.702605]  ? perf_trace_sched_process_exec+0x860/0x860
[  441.708053]  ? xa_load+0x2ba/0x460
[  441.711629]  ? lock_downgrade+0x900/0x900
[  441.715790]  ? __might_sleep+0x95/0x190
[  441.719774]  __alloc_pages_nodemask+0xad8/0xea0
[  441.724457]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  441.729477]  ? __page_cache_alloc+0x191/0x5c0
[  441.733966]  ? xa_load+0x2e1/0x460
[  441.737504]  ? xa_clear_mark+0x40/0x40
[  441.741943]  ? zap_class+0x640/0x640
[  441.745676]  ? zap_class+0x640/0x640
[  441.749405]  ? zap_class+0x640/0x640
[  441.753119]  ? __do_page_cache_readahead+0x663/0x810
[  441.758226]  ? find_held_lock+0x36/0x1c0
[  441.762307]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  441.767851]  alloc_pages_current+0x173/0x350
[  441.772264]  __page_cache_alloc+0x38c/0x5c0
[  441.776612]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.781540]  ? kasan_check_read+0x11/0x20
[  441.785711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.791022]  ? generic_perform_write+0x6a0/0x6a0
[  441.795780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.801332]  ? check_preemption_disabled+0x48/0x280
[  441.806357]  filemap_fault+0x1595/0x25f0
[  441.810439]  ? __lock_page_or_retry+0xa00/0xa00
[  441.815108]  ? mark_held_locks+0x130/0x130
[  441.819414]  ? filemap_map_pages+0xd6b/0x1a20
[  441.823915]  ? lock_downgrade+0x900/0x900
[  441.828064]  ? check_preemption_disabled+0x48/0x280
[  441.833114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.838046]  ? kasan_check_read+0x11/0x20
[  441.842193]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.847468]  ? rcu_softirq_qs+0x20/0x20
[  441.851461]  ? filemap_map_pages+0xd92/0x1a20
[  441.855967]  ? find_get_entries_tag+0x1400/0x1400
[  441.860814]  ? debug_object_destroy+0x2b0/0x2b0
[  441.865507]  ? lock_pi_update_atomic+0x150/0x150
[  441.870259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.875823]  ? lock_acquire+0x1ed/0x520
[  441.879799]  ? ext4_filemap_fault+0x7a/0xad
[  441.884136]  ? lock_release+0xa00/0xa00
[  441.888122]  ? perf_trace_sched_process_exec+0x860/0x860
[  441.893572]  ? print_usage_bug+0xc0/0xc0
[  441.897630]  ? print_usage_bug+0xc0/0xc0
[  441.901722]  ? down_read+0x8d/0x120
[  441.905341]  ? ext4_filemap_fault+0x7a/0xad
[  441.909658]  ? __down_interruptible+0x700/0x700
[  441.914335]  ext4_filemap_fault+0x82/0xad
[  441.918485]  __do_fault+0x100/0x6b0
[  441.922143]  ? pmd_devmap_trans_unstable+0x220/0x220
[  441.927247]  ? mark_held_locks+0x130/0x130
[  441.931481]  ? mark_held_locks+0x130/0x130
[  441.935712]  ? __might_fault+0x12b/0x1e0
[  441.939781]  ? lock_downgrade+0x900/0x900
[  441.943932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.949492]  __handle_mm_fault+0x3ea0/0x5be0
[  441.953922]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  441.958766]  ? _copy_to_user+0xc8/0x110
[  441.962767]  ? zap_class+0x640/0x640
[  441.966508]  ? zap_class+0x640/0x640
[  441.970231]  ? __x64_sys_futex+0x53e/0x6a0
[  441.974464]  ? find_held_lock+0x36/0x1c0
[  441.978530]  ? handle_mm_fault+0x42a/0xc70
[  441.982763]  ? lock_downgrade+0x900/0x900
[  441.986909]  ? check_preemption_disabled+0x48/0x280
[  441.991932]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.996858]  ? kasan_check_read+0x11/0x20
[  442.000998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.006283]  ? rcu_softirq_qs+0x20/0x20
[  442.010272]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.015375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.020911]  ? check_preemption_disabled+0x48/0x280
[  442.025931]  handle_mm_fault+0x54f/0xc70
[  442.030006]  ? __handle_mm_fault+0x5be0/0x5be0
[  442.034591]  ? find_vma+0x34/0x190
[  442.038140]  __do_page_fault+0x5e8/0xe60
[  442.042200]  ? trace_hardirqs_off+0xb8/0x310
[  442.046618]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  442.052163]  do_page_fault+0xf2/0x7e0
[  442.055963]  ? vmalloc_sync_all+0x30/0x30
[  442.060113]  ? error_entry+0x70/0xd0
[  442.063828]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.068874]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.073800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.078728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.083568]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.088583]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.094035]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  442.099051]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.104068]  ? page_fault+0x8/0x30
[  442.107614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.112466]  ? page_fault+0x8/0x30
[  442.116037]  page_fault+0x1e/0x30
[  442.119501] RIP: 0033:0x45ddf3
[  442.122709] Code: Bad RIP value.
[  442.126073] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  442.131436] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  442.138701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  442.145981] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  442.153245] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  442.160534] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  442.167819] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  442.167882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  442.174913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.174935] Workqueue: events kernfs_notify_workfn
[  442.174948] Call Trace:
[  442.181511] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.190766]  <IRQ>
[  442.195680] syz-fuzzer cpuset=/ mems_allowed=0
[  442.198270]  dump_stack+0x244/0x39d
[  442.218792]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.224000]  warn_alloc.cold.116+0xb7/0x1bd
[  442.228318]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.233156]  ? lock_downgrade+0x900/0x900
[  442.237326]  ? trace_hardirqs_off+0xb8/0x310
[  442.241753]  ? trace_hardirqs_off+0xb8/0x310
[  442.246161]  __alloc_pages_slowpath+0x2651/0x2de0
[  442.251035]  ? warn_alloc+0x120/0x120
[  442.254832]  ? print_usage_bug+0xc0/0xc0
[  442.258889]  ? warn_alloc+0x120/0x120
[  442.262694]  ? warn_alloc+0x120/0x120
[  442.266526]  ? print_usage_bug+0xc0/0xc0
[  442.270619]  ? print_usage_bug+0xc0/0xc0
[  442.274682]  ? __lock_acquire+0x62f/0x4c20
[  442.278978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.284510]  ? should_fail+0x22d/0xd01
[  442.288396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.293499]  ? __lock_acquire+0x62f/0x4c20
[  442.297749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.302847]  ? __lock_acquire+0x62f/0x4c20
[  442.307076]  ? should_fail+0x22d/0xd01
[  442.310958]  ? find_held_lock+0x36/0x1c0
[  442.315023]  ? mark_held_locks+0x130/0x130
[  442.319270]  ? mark_held_locks+0x130/0x130
[  442.323497]  ? zap_class+0x640/0x640
[  442.327210]  ? zap_class+0x640/0x640
[  442.330922]  ? print_usage_bug+0xc0/0xc0
[  442.334984]  ? do_raw_spin_unlock+0xa7/0x330
[  442.339392]  ? zap_class+0x640/0x640
[  442.343117]  ? print_usage_bug+0xc0/0xc0
[  442.347174]  ? wq_watchdog_touch+0x9c/0xfe
[  442.351416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.356995]  ? check_preemption_disabled+0x48/0x280
[  442.362020]  ? __lock_is_held+0xb5/0x140
[  442.366089]  __alloc_pages_nodemask+0xad8/0xea0
[  442.370758]  ? zap_class+0x640/0x640
[  442.374478]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  442.379503]  ? find_held_lock+0x36/0x1c0
[  442.383569]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.388237]  ? lock_downgrade+0x900/0x900
[  442.392405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.397961]  cache_grow_begin+0xa5/0x8c0
[  442.402067]  ? do_raw_spin_unlock+0xa7/0x330
[  442.406478]  fallback_alloc+0x204/0x2e0
[  442.410480]  ____cache_alloc_node+0x1c7/0x1e0
[  442.415017]  kmem_cache_alloc_node+0xe3/0x730
[  442.419527]  ? ipv6_get_ifaddr+0x42e/0x620
[  442.423769]  __alloc_skb+0x119/0x770
[  442.427512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.432817]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.437228]  ? lock_downgrade+0x900/0x900
[  442.441381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.446915]  ? refcount_sub_and_test_checked+0x203/0x310
[  442.452376]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  442.457839]  ? addrconf_rs_timer+0x690/0x690
[  442.462268]  ndisc_alloc_skb+0x144/0x340
[  442.466326]  ndisc_send_rs+0x331/0x6e0
[  442.470228]  addrconf_rs_timer+0x314/0x690
[  442.474462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.478719]  call_timer_fn+0x272/0x920
[  442.482614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.486844]  ? process_timeout+0x40/0x40
[  442.490924]  ? mark_held_locks+0xc7/0x130
[  442.495135]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.499627]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.504128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.508370]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.512949]  ? trace_hardirqs_on+0xbd/0x310
[  442.517291]  ? kasan_check_read+0x11/0x20
[  442.521484]  ? __run_timers+0x7da/0xc70
[  442.525459]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.530564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.534804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  442.539034]  __run_timers+0x7e5/0xc70
[  442.542853]  ? timer_fixup_init+0x70/0x70
[  442.547056]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  442.552105]  ? zap_class+0x640/0x640
[  442.555824]  ? print_usage_bug+0xc0/0xc0
[  442.559885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  442.565075]  ? find_held_lock+0x36/0x1c0
[  442.569177]  ? zap_class+0x640/0x640
[  442.572919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.578468]  ? check_preemption_disabled+0x48/0x280
[  442.583506]  ? __lock_is_held+0xb5/0x140
[  442.587570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.593105]  ? check_preemption_disabled+0x48/0x280
[  442.598130]  run_timer_softirq+0x52/0xb0
[  442.602236]  ? rcu_read_lock_sched_held+0x14f/0x180
[  442.607250]  __do_softirq+0x308/0xb7e
[  442.611307]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  442.615801]  ? lock_downgrade+0x900/0x900
[  442.619955]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  442.625066]  ? pvclock_read_flags+0x160/0x160
[  442.629590]  ? lapic_next_event+0x5a/0x90
[  442.633756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.639311]  ? kvm_clock_read+0x18/0x30
[  442.643320]  ? kvm_sched_clock_read+0x9/0x20
[  442.647741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.653276]  ? check_preemption_disabled+0x48/0x280
[  442.658295]  irq_exit+0x17f/0x1c0
[  442.661762]  smp_apic_timer_interrupt+0x1cb/0x760
[  442.666634]  ? smp_reschedule_interrupt+0x109/0x650
[  442.671720]  ? smp_call_function_single_interrupt+0x650/0x650
[  442.677617]  ? interrupt_entry+0xb5/0xc0
[  442.681682]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.686700]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.691713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.696554]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.701568]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.706593]  ? task_prio+0x50/0x50
[  442.710169]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.715721]  ? check_preemption_disabled+0x48/0x280
[  442.720744]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.725590]  apic_timer_interrupt+0xf/0x20
[  442.729814]  </IRQ>
[  442.732057] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  442.736736] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  442.755631] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  442.763342] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  442.770622] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  442.777888] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  442.785154] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  442.792453] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  442.799778]  ? mark_held_locks+0x130/0x130
[  442.804030]  ? kernfs_notify_workfn+0xf0/0x440
[  442.808614]  ? mark_held_locks+0x130/0x130
[  442.812850]  ? set_next_entity+0x493/0xc70
[  442.817087]  ? mutex_trylock+0x2b0/0x2b0
[  442.821157]  ? update_load_avg+0x2470/0x2470
[  442.825575]  ? zap_class+0x640/0x640
[  442.829299]  ? zap_class+0x640/0x640
[  442.833017]  ? print_usage_bug+0xc0/0xc0
[  442.837098]  ? find_held_lock+0x36/0x1c0
[  442.841192]  ? mark_held_locks+0xc7/0x130
[  442.845342]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.849836]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.854346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.858925]  ? trace_hardirqs_on+0xbd/0x310
[  442.863250]  ? kasan_check_read+0x11/0x20
[  442.867423]  ? kernfs_notify_workfn+0xe2/0x440
[  442.872005]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.877149]  mutex_lock_nested+0x16/0x20
[  442.881236]  ? _raw_spin_unlock_irq+0x60/0x80
[  442.885729]  ? mutex_lock_nested+0x16/0x20
[  442.889959]  kernfs_notify_workfn+0xf0/0x440
[  442.894389]  process_one_work+0xc90/0x1c40
[  442.898621]  ? mark_held_locks+0x130/0x130
[  442.902895]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  442.907574]  ? __switch_to_asm+0x40/0x70
[  442.911630]  ? __switch_to_asm+0x34/0x70
[  442.915687]  ? __switch_to_asm+0x40/0x70
[  442.919804]  ? __switch_to_asm+0x34/0x70
[  442.923892]  ? __switch_to_asm+0x40/0x70
[  442.927950]  ? __switch_to_asm+0x34/0x70
[  442.932002]  ? __switch_to_asm+0x40/0x70
[  442.936058]  ? __switch_to_asm+0x34/0x70
[  442.940120]  ? __switch_to_asm+0x40/0x70
[  442.944183]  ? __schedule+0x8d7/0x21d0
[  442.948078]  ? lock_downgrade+0x900/0x900
[  442.952228]  ? zap_class+0x640/0x640
[  442.955949]  ? zap_class+0x640/0x640
[  442.959700]  ? find_held_lock+0x36/0x1c0
[  442.963767]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.968376]  ? lock_acquire+0x1ed/0x520
[  442.972349]  ? worker_thread+0x3e0/0x1390
[  442.976505]  ? kasan_check_read+0x11/0x20
[  442.980650]  ? do_raw_spin_lock+0x14f/0x350
[  442.984988]  ? kasan_check_read+0x11/0x20
[  442.989137]  ? rwlock_bug.part.2+0x90/0x90
[  442.993388]  ? trace_hardirqs_on+0x310/0x310
[  442.997810]  worker_thread+0x17f/0x1390
[  443.001808]  ? __switch_to_asm+0x34/0x70
[  443.005911]  ? process_one_work+0x1c40/0x1c40
[  443.010436]  ? zap_class+0x640/0x640
[  443.014179]  ? __kthread_parkme+0xce/0x1a0
[  443.018428]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.023524]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.028621]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.033215]  ? trace_hardirqs_on+0xbd/0x310
[  443.037551]  ? kasan_check_read+0x11/0x20
[  443.041703]  ? __kthread_parkme+0xce/0x1a0
[  443.045966]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.051101]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.056203]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.061317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.066869]  ? __kthread_parkme+0xfb/0x1a0
[  443.071123]  ? process_one_work+0x1c40/0x1c40
[  443.075632]  kthread+0x35a/0x440
[  443.078997]  ? kthread_stop+0x900/0x900
[  443.082971]  ret_from_fork+0x3a/0x50
[  443.086710] CPU: 1 PID: 6003 Comm: syz-fuzzer Not tainted 4.20.0-rc3+ #156
[  443.086715] warn_alloc_show_mem: 1 callbacks suppressed
[  443.086722] Mem-Info:
[  443.093728] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.099097] active_anon:55868 inactive_anon:1967 isolated_anon:0
[  443.099097]  active_file:9 inactive_file:10 isolated_file:8
[  443.099097]  unevictable:0 dirty:0 writeback:0 unstable:0
[  443.099097]  slab_reclaimable:9072 slab_unreclaimable:1451467
[  443.099097]  mapped:40962 shmem:4339 pagetables:595 bounce:0
[  443.099097]  free:13786 free_pcp:282 free_cma:0
[  443.101466] Call Trace:
[  443.110865] Node 0 active_anon:223472kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB isolated(anon):0kB isolated(file):32kB mapped:163848kB dirty:0kB writeback:0kB shmem:17356kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 200704kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  443.143834]  <IRQ>
[  443.146432] 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
[  443.174290]  dump_stack+0x244/0x39d
[  443.176414] lowmem_reserve[]: 0 2818 6321 6321
[  443.202517]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.206119] Node 0 DMA32 free:25224kB min:30052kB low:37564kB high:45076kB active_anon:4kB 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
[  443.210720]  warn_alloc.cold.116+0xb7/0x1bd
[  443.215881] lowmem_reserve[]: 0 0 3503 3503
[  443.243194]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.247487] Node 0 Normal free:14012kB min:37364kB low:46704kB high:56044kB active_anon:223468kB inactive_anon:7868kB active_file:36kB inactive_file:40kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6688kB pagetables:2380kB bounce:0kB free_pcp:880kB local_pcp:96kB free_cma:0kB
[  443.251832]  ? lock_downgrade+0x900/0x900
[  443.256665] lowmem_reserve[]: 0 0 0 0
[  443.285585]  ? trace_hardirqs_off+0xb8/0x310
[  443.289726] 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
[  443.293518]  ? trace_hardirqs_off+0xb8/0x310
[  443.297909] Node 0 DMA32: 4*4kB (UM) 1*8kB (M) 3*16kB (M) 4*32kB (M) 3*64kB (UM) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25224kB
[  443.311425]  __alloc_pages_slowpath+0x2651/0x2de0
[  443.315801] Node 0 Normal: 671*4kB (UME) 306*8kB (UME) 185*16kB (ME) 72*32kB (UMEH) 21*64kB (UMH) 0*128kB 1*256kB (H) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 14044kB
[  443.331001]  ? warn_alloc+0x120/0x120
[  443.335819] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  443.350803]  ? print_usage_bug+0xc0/0xc0
[  443.354600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  443.363422]  ? warn_alloc+0x120/0x120
[  443.367460] 4366 total pagecache pages
[  443.376033]  ? warn_alloc+0x120/0x120
[  443.379820] 0 pages in swap cache
[  443.383707]  ? print_usage_bug+0xc0/0xc0
[  443.387483] Swap cache stats: add 0, delete 0, find 0/0
[  443.390930]  ? kvm_clock_read+0x18/0x30
[  443.394971] Free swap  = 0kB
[  443.400321]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.404265] Total swap = 0kB
[  443.407309]  ? print_usage_bug+0xc0/0xc0
[  443.412300] 1965979 pages RAM
[  443.415333]  ? __lock_acquire+0x62f/0x4c20
[  443.419371] 0 pages HighMem/MovableOnly
[  443.422490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.426699] 342854 pages reserved
[  443.430665]  ? should_fail+0x22d/0xd01
[  443.436197] 0 pages cma reserved
[  443.439658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.443586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  443.446896]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.452229] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.458631]  ? __lock_acquire+0x62f/0x4c20
[  443.463722] kworker/0:2 cpuset=/ mems_allowed=0
[  443.474030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.488005]  ? __lock_acquire+0x62f/0x4c20
[  443.492259]  ? should_fail+0x22d/0xd01
[  443.496138]  ? rcu_irq_exit+0x1a2/0x390
[  443.500113]  ? mark_held_locks+0x130/0x130
[  443.504347]  ? mark_held_locks+0x130/0x130
[  443.508580]  ? mark_held_locks+0xc7/0x130
[  443.512740]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  443.517769]  ? zap_class+0x640/0x640
[  443.521478]  ? print_usage_bug+0xc0/0xc0
[  443.525552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.531083]  ? check_preemption_disabled+0x48/0x280
[  443.536101]  ? __lock_is_held+0xb5/0x140
[  443.540186]  __alloc_pages_nodemask+0xad8/0xea0
[  443.544857]  ? zap_class+0x640/0x640
[  443.548571]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  443.553601]  ? find_held_lock+0x36/0x1c0
[  443.557662]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.562348]  ? lock_downgrade+0x900/0x900
[  443.566498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.572046]  cache_grow_begin+0xa5/0x8c0
[  443.576100]  ? do_raw_spin_unlock+0xa7/0x330
[  443.580523]  fallback_alloc+0x204/0x2e0
[  443.584494]  ____cache_alloc_node+0x1c7/0x1e0
[  443.588987]  kmem_cache_alloc_node+0xe3/0x730
[  443.593478]  ? ipv6_get_ifaddr+0x42e/0x620
[  443.597720]  __alloc_skb+0x119/0x770
[  443.601433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.606707]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.611105]  ? lock_downgrade+0x900/0x900
[  443.615271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.620821]  ? refcount_sub_and_test_checked+0x203/0x310
[  443.626266]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  443.631708]  ? addrconf_rs_timer+0x690/0x690
[  443.636118]  ndisc_alloc_skb+0x144/0x340
[  443.640194]  ndisc_send_rs+0x331/0x6e0
[  443.644084]  addrconf_rs_timer+0x314/0x690
[  443.648317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.652552]  call_timer_fn+0x272/0x920
[  443.656435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.660662]  ? process_timeout+0x40/0x40
[  443.664755]  ? mark_held_locks+0xc7/0x130
[  443.668918]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.673414]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.677908]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.682242]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.686841]  ? trace_hardirqs_on+0xbd/0x310
[  443.691156]  ? kasan_check_read+0x11/0x20
[  443.695295]  ? __run_timers+0x7da/0xc70
[  443.699268]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.704385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.708625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  443.712856]  __run_timers+0x7e5/0xc70
[  443.716661]  ? timer_fixup_init+0x70/0x70
[  443.720816]  ? kasan_check_read+0x11/0x20
[  443.724960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.730236]  ? rcu_softirq_qs+0x20/0x20
[  443.734209]  ? mark_held_locks+0xc7/0x130
[  443.738356]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.743596]  ? retint_kernel+0x2d/0x2d
[  443.747479]  ? trace_hardirqs_on_caller+0xc0/0x310
[  443.752408]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.757208]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  443.762657]  ? zap_class+0x640/0x640
[  443.766381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.771923]  ? check_preemption_disabled+0x48/0x280
[  443.776959]  ? __lock_is_held+0xb5/0x140
[  443.781036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.786583]  ? check_preemption_disabled+0x48/0x280
[  443.791612]  run_timer_softirq+0x52/0xb0
[  443.795686]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.800706]  __do_softirq+0x308/0xb7e
[  443.804509]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.809007]  ? lock_downgrade+0x900/0x900
[  443.813163]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.818318]  ? pvclock_read_flags+0x160/0x160
[  443.822833]  ? lapic_next_event+0x5a/0x90
[  443.826984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.832524]  ? kvm_clock_read+0x18/0x30
[  443.836493]  ? kvm_sched_clock_read+0x9/0x20
[  443.840918]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.846472]  ? check_preemption_disabled+0x48/0x280
[  443.851518]  irq_exit+0x17f/0x1c0
[  443.854972]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.859817]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.865862]  ? interrupt_entry+0xb5/0xc0
[  443.869958]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.874973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.880003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.884845]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.889856]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.894865]  ? task_prio+0x50/0x50
[  443.898399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.903979]  ? check_preemption_disabled+0x48/0x280
[  443.908992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.913836]  apic_timer_interrupt+0xf/0x20
[  443.918091]  </IRQ>
[  443.920357] RIP: 0010:dump_stack+0x358/0x39d
[  443.924761] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 a1 ab ed f9 48 83 3d 09 9c 7c 01 00 0f 84 63 fe ff ff e8 6e 2b aa f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 5b 2b aa f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  443.943675] RSP: 0000:ffff8881b96ae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  443.951392] RAX: ffff8881c1dbc5c0 RBX: 1ffffffff12a3f6e RCX: 1ffff110383b79d6
[  443.958690] RDX: 0000000000000000 RSI: ffffffff87d55f72 RDI: 0000000000000293
[  443.966058] RBP: ffff8881b96ae290 R08: ffff8881c1dbceb0 R09: 0000000000000006
[  443.973319] R10: 0000000000000000 R11: ffff8881c1dbc5c0 R12: 1ffff110372d5c45
[  443.980579] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  443.987860]  ? dump_stack+0x34f/0x39d
[  443.991717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.996940]  ? mark_held_locks+0x130/0x130
[  444.001171]  ? mark_held_locks+0x130/0x130
[  444.005413]  dump_header+0x27b/0xf72
[  444.009144]  ? pagefault_out_of_memory+0x197/0x197
[  444.014081]  ? __lock_acquire+0x62f/0x4c20
[  444.018323]  ? percpu_ref_get_many+0x240/0x240
[  444.022909]  ? print_usage_bug+0xc0/0xc0
[  444.026975]  ? zap_class+0x640/0x640
[  444.030694]  ? print_usage_bug+0xc0/0xc0
[  444.034751]  ? print_usage_bug+0xc0/0xc0
[  444.038808]  ? zap_class+0x640/0x640
[  444.042520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.048054]  ? find_held_lock+0x36/0x1c0
[  444.052115]  ? mark_held_locks+0xc7/0x130
[  444.056273]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.061368]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.066478]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.071054]  ? trace_hardirqs_on+0xbd/0x310
[  444.075370]  ? kasan_check_read+0x11/0x20
[  444.079514]  ? ___ratelimit+0x3b4/0x672
[  444.083489]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.088594]  ? trace_hardirqs_on+0x310/0x310
[  444.093029]  ? lock_downgrade+0x900/0x900
[  444.097205]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.102318]  ? ___ratelimit+0x3b9/0x672
[  444.106304]  ? idr_get_free+0xf70/0xf70
[  444.110320]  ? find_held_lock+0x36/0x1c0
[  444.114422]  oom_kill_process.cold.27+0x10/0x903
[  444.119194]  ? zap_class+0x640/0x640
[  444.122934]  ? check_preemption_disabled+0x48/0x280
[  444.127964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.132920]  ? kasan_check_read+0x11/0x20
[  444.137108]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.142412]  ? oom_evaluate_task+0x540/0x540
[  444.146822]  ? find_held_lock+0x36/0x1c0
[  444.150885]  ? out_of_memory+0x974/0x1430
[  444.155030]  ? lock_downgrade+0x900/0x900
[  444.159172]  ? check_preemption_disabled+0x48/0x280
[  444.164184]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.169105]  ? kasan_check_read+0x11/0x20
[  444.173280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.178568]  ? rcu_softirq_qs+0x20/0x20
[  444.182552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.188105]  ? oom_evaluate_task+0x302/0x540
[  444.192538]  out_of_memory+0xa84/0x1430
[  444.196557]  ? oom_killer_disable+0x3a0/0x3a0
[  444.201093]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  444.206074]  ? __ww_mutex_check_waiters+0x160/0x160
[  444.211106]  __alloc_pages_slowpath+0x232c/0x2de0
[  444.215962]  ? warn_alloc+0x120/0x120
[  444.219782]  ? mark_held_locks+0x130/0x130
[  444.224043]  ? find_get_entry+0xaae/0x1120
[  444.228313]  ? filemap_map_pages+0x1a20/0x1a20
[  444.232910]  ? zap_class+0x640/0x640
[  444.236625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.242155]  ? check_preemption_disabled+0x48/0x280
[  444.247172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.252721]  ? should_fail+0x22d/0xd01
[  444.256606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.261706]  ? zap_class+0x640/0x640
[  444.265454]  ? __lock_is_held+0xb5/0x140
[  444.269516]  ? mark_held_locks+0x130/0x130
[  444.273801]  ? lock_release+0xa00/0xa00
[  444.277783]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.283229]  ? xa_load+0x2ba/0x460
[  444.286762]  ? lock_downgrade+0x900/0x900
[  444.290925]  ? __might_sleep+0x95/0x190
[  444.294924]  __alloc_pages_nodemask+0xad8/0xea0
[  444.299591]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  444.304614]  ? __page_cache_alloc+0x191/0x5c0
[  444.309108]  ? xa_load+0x2e1/0x460
[  444.312644]  ? xa_clear_mark+0x40/0x40
[  444.316547]  ? zap_class+0x640/0x640
[  444.320271]  ? zap_class+0x640/0x640
[  444.323986]  ? zap_class+0x640/0x640
[  444.327699]  ? __do_page_cache_readahead+0x663/0x810
[  444.332805]  ? find_held_lock+0x36/0x1c0
[  444.336892]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.342434]  alloc_pages_current+0x173/0x350
[  444.346857]  __page_cache_alloc+0x38c/0x5c0
[  444.351173]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.356094]  ? kasan_check_read+0x11/0x20
[  444.360253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.365527]  ? generic_perform_write+0x6a0/0x6a0
[  444.370293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.375857]  ? check_preemption_disabled+0x48/0x280
[  444.380892]  filemap_fault+0x1595/0x25f0
[  444.384963]  ? __lock_page_or_retry+0xa00/0xa00
[  444.389646]  ? mark_held_locks+0x130/0x130
[  444.393890]  ? filemap_map_pages+0xd6b/0x1a20
[  444.398386]  ? lock_downgrade+0x900/0x900
[  444.402532]  ? check_preemption_disabled+0x48/0x280
[  444.407547]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.412487]  ? kasan_check_read+0x11/0x20
[  444.416628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.421899]  ? rcu_softirq_qs+0x20/0x20
[  444.425884]  ? filemap_map_pages+0xd92/0x1a20
[  444.430384]  ? find_get_entries_tag+0x1400/0x1400
[  444.435241]  ? debug_object_destroy+0x2b0/0x2b0
[  444.439932]  ? lock_pi_update_atomic+0x150/0x150
[  444.444723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.450265]  ? lock_acquire+0x1ed/0x520
[  444.454232]  ? ext4_filemap_fault+0x7a/0xad
[  444.458566]  ? lock_release+0xa00/0xa00
[  444.462565]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.468027]  ? print_usage_bug+0xc0/0xc0
[  444.472089]  ? print_usage_bug+0xc0/0xc0
[  444.476179]  ? down_read+0x8d/0x120
[  444.479816]  ? ext4_filemap_fault+0x7a/0xad
[  444.484156]  ? __down_interruptible+0x700/0x700
[  444.488839]  ext4_filemap_fault+0x82/0xad
[  444.492989]  __do_fault+0x100/0x6b0
[  444.496623]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.501740]  ? mark_held_locks+0x130/0x130
[  444.505980]  ? mark_held_locks+0x130/0x130
[  444.510213]  ? __might_fault+0x12b/0x1e0
[  444.514278]  ? lock_downgrade+0x900/0x900
[  444.518428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.523978]  __handle_mm_fault+0x3ea0/0x5be0
[  444.528396]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.533245]  ? _copy_to_user+0xc8/0x110
[  444.537235]  ? zap_class+0x640/0x640
[  444.540965]  ? zap_class+0x640/0x640
[  444.544687]  ? __x64_sys_futex+0x53e/0x6a0
[  444.548927]  ? find_held_lock+0x36/0x1c0
[  444.553006]  ? handle_mm_fault+0x42a/0xc70
[  444.557253]  ? lock_downgrade+0x900/0x900
[  444.561397]  ? check_preemption_disabled+0x48/0x280
[  444.566414]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.571362]  ? kasan_check_read+0x11/0x20
[  444.575513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.580803]  ? rcu_softirq_qs+0x20/0x20
[  444.584775]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.589924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.595469]  ? check_preemption_disabled+0x48/0x280
[  444.600507]  handle_mm_fault+0x54f/0xc70
[  444.604585]  ? __handle_mm_fault+0x5be0/0x5be0
[  444.609239]  ? find_vma+0x34/0x190
[  444.612915]  __do_page_fault+0x5e8/0xe60
[  444.616977]  ? trace_hardirqs_off+0xb8/0x310
[  444.621383]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  444.626930]  do_page_fault+0xf2/0x7e0
[  444.630741]  ? vmalloc_sync_all+0x30/0x30
[  444.634889]  ? error_entry+0x70/0xd0
[  444.638622]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.643647]  ? trace_hardirqs_on_caller+0xc0/0x310
[  444.648619]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.653543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.658377]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.663412]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  444.668893]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  444.673905]  ? prepare_exit_to_usermode+0x291/0x3b0
[  444.678915]  ? page_fault+0x8/0x30
[  444.682457]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.687301]  ? page_fault+0x8/0x30
[  444.690839]  page_fault+0x1e/0x30
[  444.694301] RIP: 0033:0x45ddf3
[  444.697511] Code: Bad RIP value.
[  444.700871] RSP: 002b:000000c420035e80 EFLAGS: 00010246
[  444.706227] RAX: ffffffffffffff92 RBX: 0000000000000000 RCX: 000000000045ddf3
[  444.713488] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fbb78
[  444.720801] RBP: 000000c420035ec8 R08: 0000000000000000 R09: 0000000000000000
[  444.728095] R10: 000000c420035eb8 R11: 0000000000000246 R12: 0000000000430120
[  444.735357] R13: 00000000000000f1 R14: 0000000000000011 R15: 0000000000000000
[  444.742652] CPU: 0 PID: 2937 Comm: kworker/0:2 Not tainted 4.20.0-rc3+ #156
[  444.742808] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  444.749814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  444.749829] Workqueue: events kernfs_notify_workfn
[  444.749835] Call Trace:
[  444.749854]  <IRQ>
[  444.749871]  dump_stack+0x244/0x39d
[  444.756417] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  444.765717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  444.770618] syz-fuzzer cpuset=/ mems_allowed=0
[  444.773208]  warn_alloc.cold.116+0xb7/0x1bd
[  444.803314]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  444.808165]  ? lock_downgrade+0x900/0x900
[  444.812328]  ? trace_hardirqs_off+0xb8/0x310
[  444.816747]  ? trace_hardirqs_off+0xb8/0x310
[  444.821172]  __alloc_pages_slowpath+0x2651/0x2de0
[  444.826061]  ? warn_alloc+0x120/0x120
[  444.829881]  ? print_usage_bug+0xc0/0xc0
[  444.833948]  ? warn_alloc+0x120/0x120
[  444.837756]  ? warn_alloc+0x120/0x120
[  444.841583]  ? print_usage_bug+0xc0/0xc0
[  444.845648]  ? kvm_clock_read+0x18/0x30
[  444.849634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  444.854654]  ? print_usage_bug+0xc0/0xc0
[  444.858736]  ? __lock_acquire+0x62f/0x4c20
[  444.862980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.868520]  ? should_fail+0x22d/0xd01
[  444.872412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.877711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.882842]  ? __lock_acquire+0x62f/0x4c20
[  444.887091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.892189]  ? __lock_acquire+0x62f/0x4c20
[  444.896418]  ? should_fail+0x22d/0xd01
[  444.900302]  ? rcu_irq_exit+0x1a2/0x390
[  444.904288]  ? mark_held_locks+0x130/0x130
[  444.908527]  ? mark_held_locks+0x130/0x130
[  444.912765]  ? mark_held_locks+0xc7/0x130
[  444.916912]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  444.921936]  ? zap_class+0x640/0x640
[  444.925649]  ? print_usage_bug+0xc0/0xc0
[  444.929716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.935252]  ? check_preemption_disabled+0x48/0x280
[  444.940316]  ? __lock_is_held+0xb5/0x140
[  444.944384]  __alloc_pages_nodemask+0xad8/0xea0
[  444.949050]  ? zap_class+0x640/0x640
[  444.952780]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  444.957822]  ? find_held_lock+0x36/0x1c0
[  444.961899]  ? ____cache_alloc_node+0x1c7/0x1e0
[  444.966573]  ? lock_downgrade+0x900/0x900
[  444.970742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.976298]  cache_grow_begin+0xa5/0x8c0
[  444.980390]  ? do_raw_spin_unlock+0xa7/0x330
[  444.984805]  fallback_alloc+0x204/0x2e0
[  444.988781]  ____cache_alloc_node+0x1c7/0x1e0
[  444.993279]  kmem_cache_alloc_node+0xe3/0x730
[  444.997777]  ? ipv6_get_ifaddr+0x42e/0x620
[  445.002016]  __alloc_skb+0x119/0x770
[  445.005738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  445.011019]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.015440]  ? lock_downgrade+0x900/0x900
[  445.019611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.025150]  ? refcount_sub_and_test_checked+0x203/0x310
[  445.030604]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  445.036059]  ? addrconf_rs_timer+0x690/0x690
[  445.040476]  ndisc_alloc_skb+0x144/0x340
[  445.044538]  ndisc_send_rs+0x331/0x6e0
[  445.048428]  addrconf_rs_timer+0x314/0x690
[  445.052665]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.056926]  call_timer_fn+0x272/0x920
[  445.060841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.065075]  ? process_timeout+0x40/0x40
[  445.069146]  ? mark_held_locks+0xc7/0x130
[  445.073315]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.077812]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.082309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.086548]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.091146]  ? trace_hardirqs_on+0xbd/0x310
[  445.095466]  ? kasan_check_read+0x11/0x20
[  445.099613]  ? __run_timers+0x7da/0xc70
[  445.103593]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.108744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.112997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  445.117232]  __run_timers+0x7e5/0xc70
[  445.121045]  ? timer_fixup_init+0x70/0x70
[  445.125202]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.130225]  ? zap_class+0x640/0x640
[  445.133967]  ? print_usage_bug+0xc0/0xc0
[  445.138035]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.143232]  ? find_held_lock+0x36/0x1c0
[  445.147318]  ? zap_class+0x640/0x640
[  445.151050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.156633]  ? check_preemption_disabled+0x48/0x280
[  445.161697]  ? __lock_is_held+0xb5/0x140
[  445.165757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.171309]  ? check_preemption_disabled+0x48/0x280
[  445.176359]  run_timer_softirq+0x52/0xb0
[  445.180446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.185495]  __do_softirq+0x308/0xb7e
[  445.189297]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.193787]  ? lock_downgrade+0x900/0x900
[  445.197943]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.203047]  ? pvclock_read_flags+0x160/0x160
[  445.207539]  ? lapic_next_event+0x5a/0x90
[  445.211704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.217290]  ? kvm_clock_read+0x18/0x30
[  445.221265]  ? kvm_sched_clock_read+0x9/0x20
[  445.225682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.231220]  ? check_preemption_disabled+0x48/0x280
[  445.236260]  irq_exit+0x17f/0x1c0
[  445.239742]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.244588]  ? smp_reschedule_interrupt+0x109/0x650
[  445.249606]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.255490]  ? interrupt_entry+0xb5/0xc0
[  445.259559]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.264587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.269608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.274449]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.279464]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.284511]  ? task_prio+0x50/0x50
[  445.288064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.293601]  ? check_preemption_disabled+0x48/0x280
[  445.298629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.303478]  apic_timer_interrupt+0xf/0x20
[  445.307717]  </IRQ>
[  445.309957] RIP: 0010:__mutex_lock+0x8a4/0x16f0
[  445.314620] Code: 03 bd b0 fc ff ff 31 c0 b9 08 00 00 00 48 c7 07 00 00 00 00 48 83 c7 18 48 c7 47 f0 00 00 00 00 c7 47 f8 00 00 00 00 f3 48 ab <89> d0 c7 07 00 00 00 00 48 8b 4d c8 65 48 33 0c 25 28 00 00 00 0f
[  445.333527] RSP: 0000:ffff8881cbf4f320 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.341252] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[  445.348518] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffed10397e9ec8
[  445.355785] RBP: ffff8881cbf4f6b0 R08: fffffbfff12cfaf1 R09: fffffbfff12cfaf0
[  445.363053] R10: fffffbfff12cfaf0 R11: ffffffff8967d787 R12: dffffc0000000000
[  445.370323] R13: ffff8881cbf46240 R14: ffff8881cbf46240 R15: ffffffff8967d780
[  445.377632]  ? mark_held_locks+0x130/0x130
[  445.381869]  ? kernfs_notify_workfn+0xf0/0x440
[  445.386483]  ? mark_held_locks+0x130/0x130
[  445.390752]  ? set_next_entity+0x493/0xc70
[  445.394993]  ? mutex_trylock+0x2b0/0x2b0
[  445.399057]  ? update_load_avg+0x2470/0x2470
[  445.403478]  ? zap_class+0x640/0x640
[  445.407206]  ? zap_class+0x640/0x640
[  445.410926]  ? print_usage_bug+0xc0/0xc0
[  445.415016]  ? find_held_lock+0x36/0x1c0
[  445.419092]  ? mark_held_locks+0xc7/0x130
[  445.423253]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.427751]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.432250]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.436838]  ? trace_hardirqs_on+0xbd/0x310
[  445.441163]  ? kasan_check_read+0x11/0x20
[  445.445316]  ? kernfs_notify_workfn+0xe2/0x440
[  445.449903]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.455027]  mutex_lock_nested+0x16/0x20
[  445.459101]  ? _raw_spin_unlock_irq+0x60/0x80
[  445.463599]  ? mutex_lock_nested+0x16/0x20
[  445.467836]  kernfs_notify_workfn+0xf0/0x440
[  445.472255]  process_one_work+0xc90/0x1c40
[  445.476496]  ? mark_held_locks+0x130/0x130
[  445.480760]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  445.485427]  ? __switch_to_asm+0x40/0x70
[  445.489490]  ? __switch_to_asm+0x34/0x70
[  445.493549]  ? __switch_to_asm+0x40/0x70
[  445.497655]  ? __switch_to_asm+0x34/0x70
[  445.501717]  ? __switch_to_asm+0x40/0x70
[  445.505782]  ? __switch_to_asm+0x34/0x70
[  445.509846]  ? __switch_to_asm+0x40/0x70
[  445.513906]  ? __switch_to_asm+0x34/0x70
[  445.517976]  ? __switch_to_asm+0x40/0x70
[  445.522045]  ? __schedule+0x8d7/0x21d0
[  445.525945]  ? lock_downgrade+0x900/0x900
[  445.530091]  ? zap_class+0x640/0x640
[  445.533803]  ? zap_class+0x640/0x640
[  445.537519]  ? find_held_lock+0x36/0x1c0
[  445.541580]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.546169]  ? lock_acquire+0x1ed/0x520
[  445.550135]  ? worker_thread+0x3e0/0x1390
[  445.554286]  ? kasan_check_read+0x11/0x20
[  445.558428]  ? do_raw_spin_lock+0x14f/0x350
[  445.562744]  ? kasan_check_read+0x11/0x20
[  445.566892]  ? rwlock_bug.part.2+0x90/0x90
[  445.571148]  ? trace_hardirqs_on+0x310/0x310
[  445.575599]  worker_thread+0x17f/0x1390
[  445.579604]  ? __switch_to_asm+0x34/0x70
[  445.583713]  ? process_one_work+0x1c40/0x1c40
[  445.588216]  ? zap_class+0x640/0x640
[  445.591954]  ? __kthread_parkme+0xce/0x1a0
[  445.596205]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  445.601306]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  445.606408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  445.611138]  ? trace_hardirqs_on+0xbd/0x310
[  445.615493]  ? kasan_check_read+0x11/0x20
[  445.619655]  ? __kthread_parkme+0xce/0x1a0
[  445.623900]  ? trace_hardirqs_off_caller+0x310/0x310