san_check_read+0x11/0x20
[  364.976567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  364.981864]  ? rcu_softirq_qs+0x20/0x20
[  364.985850]  ? preempt_schedule+0x4d/0x60
[  364.990006]  ? ___preempt_schedule+0x16/0x18
[  364.994438]  ? bpf_test_run+0x25d/0x780
[  364.998439]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.002863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.008412]  ? bpf_test_init.isra.10+0x70/0x100
[  365.013094]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  365.017865]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.022724]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.028276]  ? fput+0x130/0x1a0
[  365.031579]  ? __bpf_prog_get+0x9b/0x290
[  365.035655]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  365.040509]  ? bpf_prog_test_run+0x130/0x1a0
[  365.044930]  ? __x64_sys_bpf+0x3d8/0x520
[  365.048997]  ? bpf_prog_get+0x20/0x20
[  365.052829]  ? do_syscall_64+0x1b9/0x820
[  365.056899]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.062277]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.067238]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.072097]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.077114]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.082130]  ? prepare_exit_to_usermode+0x291/0x3b0
[  365.087156]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.092027]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.097459] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  365.097556] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.104404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.104416] Call Trace:
[  365.111187] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.120251]  <IRQ>
[  365.122824] syz-executor1 cpuset=syz1 mems_allowed=0
[  365.133331]  dump_stack+0x244/0x39d
[  365.144181]  ? dump_stack_print_info.cold.1+0x20/0x20
[  365.149405]  warn_alloc.cold.116+0xb7/0x1bd
[  365.153739]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.158604]  ? lock_downgrade+0x900/0x900
[  365.162777]  ? trace_hardirqs_off+0xb8/0x310
[  365.167199]  ? trace_hardirqs_off+0xb8/0x310
[  365.171631]  __alloc_pages_slowpath+0x26e8/0x2e10
[  365.176512]  ? warn_alloc+0x120/0x120
[  365.180327]  ? find_held_lock+0x36/0x1c0
[  365.184426]  ? warn_alloc+0x120/0x120
[  365.188242]  ? warn_alloc+0x120/0x120
[  365.192051]  ? print_usage_bug+0xc0/0xc0
[  365.196128]  ? print_usage_bug+0xc0/0xc0
[  365.200202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.205502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.211056]  ? should_fail+0x22d/0xd01
[  365.214971]  ? __lock_acquire+0x62f/0x4c20
[  365.219215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.224336]  ? __lock_acquire+0x62f/0x4c20
[  365.228582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.233690]  ? __lock_acquire+0x62f/0x4c20
[  365.237933]  ? should_fail+0x22d/0xd01
[  365.241836]  ? mark_held_locks+0x130/0x130
[  365.246080]  ? mark_held_locks+0x130/0x130
[  365.250337]  ? __enqueue_entity+0x10d/0x1f0
[  365.254670]  ? zap_class+0x640/0x640
[  365.258392]  ? print_usage_bug+0xc0/0xc0
[  365.262458]  ? __lock_acquire+0x62f/0x4c20
[  365.266699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.272242]  ? check_preemption_disabled+0x48/0x280
[  365.277271]  ? __lock_is_held+0xb5/0x140
[  365.281366]  __alloc_pages_nodemask+0xa80/0xde0
[  365.286043]  ? zap_class+0x640/0x640
[  365.289775]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  365.294809]  ? find_held_lock+0x36/0x1c0
[  365.298887]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.303579]  ? lock_downgrade+0x900/0x900
[  365.307739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.313291]  cache_grow_begin+0xa5/0x8c0
[  365.317374]  ? do_raw_spin_unlock+0xa7/0x330
[  365.321799]  fallback_alloc+0x204/0x2e0
[  365.325790]  ____cache_alloc_node+0x1c7/0x1e0
[  365.330781]  kmem_cache_alloc_node+0xe3/0x730
[  365.335295]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.339555]  __alloc_skb+0x119/0x770
[  365.343279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.348584]  ? netdev_alloc_frag+0x1f0/0x1f0
[  365.353004]  ? lock_downgrade+0x900/0x900
[  365.357181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.362736]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.368204]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.373687]  ? addrconf_rs_timer+0x690/0x690
[  365.378104]  ndisc_alloc_skb+0x144/0x340
[  365.382189]  ndisc_send_rs+0x331/0x6e0
[  365.386086]  addrconf_rs_timer+0x314/0x690
[  365.390338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.394605]  call_timer_fn+0x272/0x920
[  365.398497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.402741]  ? process_timeout+0x40/0x40
[  365.406820]  ? mark_held_locks+0xc7/0x130
[  365.410980]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.415495]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.419994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.424236]  ? lockdep_hardirqs_on+0x296/0x5b0
[  365.428824]  ? trace_hardirqs_on+0xbd/0x310
[  365.433151]  ? kasan_check_read+0x11/0x20
[  365.437308]  ? __run_timers+0x7da/0xc70
[  365.441292]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.446426]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.450663]  __run_timers+0x7e5/0xc70
[  365.454484]  ? timer_fixup_init+0x70/0x70
[  365.458642]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.463667]  ? zap_class+0x640/0x640
[  365.467395]  ? print_usage_bug+0xc0/0xc0
[  365.471467]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.476670]  ? find_held_lock+0x36/0x1c0
[  365.480740]  ? zap_class+0x640/0x640
[  365.484470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.490022]  ? check_preemption_disabled+0x48/0x280
[  365.495054]  ? __lock_is_held+0xb5/0x140
[  365.499124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.504677]  ? check_preemption_disabled+0x48/0x280
[  365.509712]  run_timer_softirq+0x52/0xb0
[  365.513780]  ? rcu_read_lock_sched_held+0x14f/0x180
[  365.518807]  __do_softirq+0x308/0xb7e
[  365.522624]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  365.527127]  ? lock_downgrade+0x900/0x900
[  365.531285]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  365.536413]  ? pvclock_read_flags+0x160/0x160
[  365.540920]  ? lapic_next_event+0x5a/0x90
[  365.545082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.550629]  ? kvm_clock_read+0x18/0x30
[  365.554620]  ? kvm_sched_clock_read+0x9/0x20
[  365.559057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.564606]  ? check_preemption_disabled+0x48/0x280
[  365.569638]  irq_exit+0x17f/0x1c0
[  365.573102]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.577957]  ? smp_reschedule_interrupt+0x109/0x650
[  365.582993]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.588881]  ? interrupt_entry+0xb5/0xc0
[  365.592959]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.597981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.603005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.607855]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.612886]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.617950]  ? task_prio+0x50/0x50
[  365.621499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.627043]  ? check_preemption_disabled+0x48/0x280
[  365.632073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.636933]  apic_timer_interrupt+0xf/0x20
[  365.641165]  </IRQ>
[  365.643406] RIP: 0010:console_unlock+0x102f/0x1190
[  365.648346] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  365.667261] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  365.675001] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  365.682269] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  365.689550] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  365.696818] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  365.704089] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  365.711386]  ? netconsole_netdev_event+0x280/0x280
[  365.716339]  ? console_unlock+0x1026/0x1190
[  365.720698]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  365.725370]  ? vprintk_emit+0x846/0x990
[  365.729362]  ? lock_release+0xa00/0xa00
[  365.733351]  ? trace_hardirqs_on+0x60/0x310
[  365.737701]  ? vprintk_default+0x28/0x30
[  365.741776]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.746891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.752449]  vprintk_emit+0x391/0x990
[  365.756268]  ? wake_up_klogd+0x180/0x180
[  365.760354]  ? find_held_lock+0x1/0x1c0
[  365.764348]  ? mark_held_locks+0xc7/0x130
[  365.768505]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.773000]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.777523]  vprintk_default+0x28/0x30
[  365.781430]  vprintk_func+0x7e/0x181
[  365.785149]  printk+0xa7/0xcf
[  365.788256]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  365.793027]  ? _raw_spin_unlock_irq+0x60/0x80
[  365.797543]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  365.802830]  dump_header+0x7cc/0xf72
[  365.806558]  ? pagefault_out_of_memory+0x197/0x197
[  365.811518]  ? __lock_acquire+0x62f/0x4c20
[  365.815758]  ? percpu_ref_get_many+0x240/0x240
[  365.820347]  ? print_usage_bug+0xc0/0xc0
[  365.824417]  ? zap_class+0x640/0x640
[  365.828140]  ? print_usage_bug+0xc0/0xc0
[  365.832208]  ? zap_class+0x640/0x640
[  365.835935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.841483]  ? find_held_lock+0x36/0x1c0
[  365.845557]  ? mark_held_locks+0xc7/0x130
[  365.849714]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.854821]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  365.859931]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  365.864522]  ? trace_hardirqs_on+0xbd/0x310
[  365.868860]  ? kasan_check_read+0x11/0x20
[  365.873010]  ? ___ratelimit+0x3b4/0x672
[  365.876992]  ? trace_hardirqs_off_caller+0x310/0x310
[  365.882107]  ? trace_hardirqs_on+0x310/0x310
[  365.886527]  ? lock_downgrade+0x900/0x900
[  365.890688]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  365.895812]  ? ___ratelimit+0x3b9/0x672
[  365.899815]  ? idr_get_free+0xf70/0xf70
[  365.903797]  ? find_held_lock+0x36/0x1c0
[  365.907875]  oom_kill_process.cold.27+0x10/0x903
[  365.912645]  ? zap_class+0x640/0x640
[  365.916367]  ? check_preemption_disabled+0x48/0x280
[  365.921396]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.926338]  ? kasan_check_read+0x11/0x20
[  365.930490]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.935771]  ? oom_evaluate_task+0x540/0x540
[  365.940200]  ? find_held_lock+0x36/0x1c0
[  365.944279]  ? out_of_memory+0x974/0x1430
[  365.948442]  ? lock_downgrade+0x900/0x900
[  365.952597]  ? check_preemption_disabled+0x48/0x280
[  365.957620]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  365.962553]  ? kasan_check_read+0x11/0x20
[  365.966709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  365.971988]  ? rcu_softirq_qs+0x20/0x20
[  365.975971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.981512]  ? oom_evaluate_task+0x302/0x540
[  365.985931]  out_of_memory+0xa84/0x1430
[  365.989924]  ? oom_killer_disable+0x3a0/0x3a0
[  365.994424]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  365.999362]  ? __ww_mutex_check_waiters+0x160/0x160
[  366.004399]  __alloc_pages_slowpath+0x2354/0x2e10
[  366.009281]  ? warn_alloc+0x120/0x120
[  366.013104]  ? mark_held_locks+0x130/0x130
[  366.017350]  ? find_get_entry+0xaae/0x1120
[  366.021601]  ? filemap_map_pages+0x1a20/0x1a20
[  366.026197]  ? zap_class+0x640/0x640
[  366.029930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.035479]  ? check_preemption_disabled+0x48/0x280
[  366.040502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.046047]  ? should_fail+0x22d/0xd01
[  366.049956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.055065]  ? zap_class+0x640/0x640
[  366.058807]  ? __lock_is_held+0xb5/0x140
[  366.062880]  ? mark_held_locks+0x130/0x130
[  366.067129]  ? lock_release+0xa00/0xa00
[  366.071111]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.076565]  ? xa_load+0x2ba/0x460
[  366.080144]  ? lock_downgrade+0x900/0x900
[  366.084308]  ? __might_sleep+0x95/0x190
[  366.088294]  __alloc_pages_nodemask+0xa80/0xde0
[  366.093003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  366.098025]  ? __page_cache_alloc+0x191/0x5c0
[  366.102527]  ? xa_load+0x2e1/0x460
[  366.106071]  ? xa_clear_mark+0x40/0x40
[  366.109967]  ? zap_class+0x640/0x640
[  366.113683]  ? zap_class+0x640/0x640
[  366.117412]  ? zap_class+0x640/0x640
[  366.121133]  ? zap_class+0x640/0x640
[  366.124854]  ? __do_page_cache_readahead+0x663/0x810
[  366.129973]  ? find_held_lock+0x36/0x1c0
[  366.134044]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  366.139597]  alloc_pages_current+0x173/0x350
[  366.144018]  __page_cache_alloc+0x38c/0x5c0
[  366.148346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.153286]  ? kasan_check_read+0x11/0x20
[  366.157457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.162747]  ? generic_perform_write+0x6a0/0x6a0
[  366.167522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.173088]  ? check_preemption_disabled+0x48/0x280
[  366.178114]  filemap_fault+0x1595/0x25f0
[  366.182194]  ? __lock_page_or_retry+0xa00/0xa00
[  366.186869]  ? mark_held_locks+0x130/0x130
[  366.191120]  ? filemap_map_pages+0xd6b/0x1a20
[  366.195623]  ? lock_downgrade+0x900/0x900
[  366.200104]  ? check_preemption_disabled+0x48/0x280
[  366.205131]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.210068]  ? kasan_check_read+0x11/0x20
[  366.214223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.219506]  ? rcu_softirq_qs+0x20/0x20
[  366.223500]  ? filemap_map_pages+0xd92/0x1a20
[  366.228004]  ? queue_work_on+0x12c/0x1e0
[  366.232077]  ? find_get_entries_tag+0x1400/0x1400
[  366.236938]  ? debug_object_destroy+0x2b0/0x2b0
[  366.241620]  ? lock_pi_update_atomic+0x150/0x150
[  366.246384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.251952]  ? lock_acquire+0x1ed/0x520
[  366.255936]  ? ext4_filemap_fault+0x7a/0xad
[  366.260270]  ? lock_release+0xa00/0xa00
[  366.264262]  ? perf_trace_sched_process_exec+0x860/0x860
[  366.269728]  ? print_usage_bug+0xc0/0xc0
[  366.273799]  ? print_usage_bug+0xc0/0xc0
[  366.277911]  ? down_read+0x8d/0x120
[  366.281543]  ? ext4_filemap_fault+0x7a/0xad
[  366.285876]  ? __down_interruptible+0x700/0x700
[  366.290566]  ext4_filemap_fault+0x82/0xad
[  366.294724]  __do_fault+0x100/0x6b0
[  366.298380]  ? find_held_lock+0x36/0x1c0
[  366.302453]  ? pmd_devmap_trans_unstable+0x220/0x220
[  366.307575]  ? mark_held_locks+0x130/0x130
[  366.311818]  ? mark_held_locks+0x130/0x130
[  366.316354]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.320848]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.325351]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  366.329945]  ? kasan_check_read+0x11/0x20
[  366.334098]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.339652]  __handle_mm_fault+0x3ea0/0x5be0
[  366.344074]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  366.348930]  ? finish_task_switch+0x1f4/0x910
[  366.353434]  ? finish_task_switch+0x1b4/0x910
[  366.357942]  ? __switch_to_asm+0x34/0x70
[  366.362017]  ? preempt_notifier_register+0x200/0x200
[  366.367147]  ? __switch_to_asm+0x34/0x70
[  366.371216]  ? __switch_to_asm+0x34/0x70
[  366.375297]  ? zap_class+0x640/0x640
[  366.379022]  ? zap_class+0x640/0x640
[  366.382744]  ? __x64_sys_futex+0x53e/0x6a0
[  366.386989]  ? find_held_lock+0x36/0x1c0
[  366.391064]  ? handle_mm_fault+0x42a/0xc70
[  366.395312]  ? lock_downgrade+0x900/0x900
[  366.399470]  ? check_preemption_disabled+0x48/0x280
[  366.404525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  366.409462]  ? kasan_check_read+0x11/0x20
[  366.413616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  366.418900]  ? rcu_softirq_qs+0x20/0x20
[  366.422889]  ? trace_hardirqs_off_caller+0x310/0x310
[  366.428007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.433555]  ? check_preemption_disabled+0x48/0x280
[  366.438586]  handle_mm_fault+0x54f/0xc70
[  366.442655]  ? __handle_mm_fault+0x5be0/0x5be0
[  366.447248]  ? find_vma+0x34/0x190
[  366.450802]  __do_page_fault+0x5e8/0xe60
[  366.454870]  ? trace_hardirqs_off+0xb8/0x310
[  366.459296]  do_page_fault+0xf2/0x7e0
[  366.463128]  ? vmalloc_sync_all+0x30/0x30
[  366.467284]  ? error_entry+0x70/0xd0
[  366.471018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  366.476039]  ? trace_hardirqs_on_caller+0xc0/0x310
[  366.480971]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.485994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.490844]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.495866]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.501337]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.506362]  ? page_fault+0x8/0x30
[  366.509917]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.514769]  ? page_fault+0x8/0x30
[  366.518320]  page_fault+0x1e/0x30
[  366.521778] RIP: 0033:0x45ddf3
[  366.524985] Code: Bad RIP value.
[  366.528369] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  366.533733] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  366.541005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  366.548275] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  366.555742] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  366.563023] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  366.570339] warn_alloc_show_mem: 1 callbacks suppressed
[  366.570352] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  366.570354] Mem-Info:
[  366.570386] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  366.570386]  active_file:15 inactive_file:15 isolated_file:0
[  366.570386]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.570386]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  366.570386]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  366.570386]  free:13750 free_pcp:296 free_cma:0
[  366.575756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.583067] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.585472] Call Trace:
[  366.618533] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  366.627896]  <IRQ>
[  366.655411] lowmem_reserve[]: 0 2818 6321 6321
[  366.658017]  dump_stack+0x244/0x39d
[  366.684104] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  366.686273]  ? dump_stack_print_info.cold.1+0x20/0x20
[  366.690818] lowmem_reserve[]: 0 0 3503 3503
[  366.694455]  warn_alloc.cold.116+0xb7/0x1bd
[  366.721950] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  366.727157]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.731443] lowmem_reserve[]: 0 0 0 0
[  366.735781]  ? lock_downgrade+0x900/0x900
[  366.764742] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  366.769600]  ? trace_hardirqs_off+0xb8/0x310
[  366.773360] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  366.777514]  ? trace_hardirqs_off+0xb8/0x310
[  366.791017] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  366.795448]  __alloc_pages_slowpath+0x26e8/0x2e10
[  366.810947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  366.815384]  ? warn_alloc+0x120/0x120
[  366.829472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  366.834321]  ? warn_alloc+0x120/0x120
[  366.843125] 2335 total pagecache pages
[  366.846929]  ? warn_alloc+0x120/0x120
[  366.855483] 0 pages in swap cache
[  366.859277]  ? print_usage_bug+0xc0/0xc0
[  366.863136] Swap cache stats: add 0, delete 0, find 0/0
[  366.866934]  ? print_usage_bug+0xc0/0xc0
[  366.870365] Free swap  = 0kB
[  366.874432]  ? mark_held_locks+0x130/0x130
[  366.879774] Total swap = 0kB
[  366.883840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.886834] 1965979 pages RAM
[  366.891081]  ? should_fail+0x22d/0xd01
[  366.894098] 0 pages HighMem/MovableOnly
[  366.899650]  ? __lock_acquire+0x62f/0x4c20
[  366.902729] 342853 pages reserved
[  366.906625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.910562] 0 pages cma reserved
[  366.910652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  366.914818]  ? __lock_acquire+0x62f/0x4c20
[  366.918363] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  366.923354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.926694] syz-fuzzer cpuset=/ mems_allowed=0
[  366.933192]  ? __lock_acquire+0x62f/0x4c20
[  366.961562]  ? should_fail+0x22d/0xd01
[  366.965483]  ? mark_held_locks+0x130/0x130
[  366.969733]  ? mark_held_locks+0x130/0x130
[  366.973974]  ? try_to_wake_up+0x11c/0x1490
[  366.978256]  ? lock_downgrade+0x900/0x900
[  366.982414]  ? zap_class+0x640/0x640
[  366.986140]  ? print_usage_bug+0xc0/0xc0
[  366.990243]  ? trace_hardirqs_off+0xb8/0x310
[  366.994662]  ? kasan_check_read+0x11/0x20
[  366.998821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.004373]  ? check_preemption_disabled+0x48/0x280
[  367.009419]  ? __lock_is_held+0xb5/0x140
[  367.013499]  __alloc_pages_nodemask+0xa80/0xde0
[  367.018176]  ? zap_class+0x640/0x640
[  367.021937]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.026976]  ? find_held_lock+0x36/0x1c0
[  367.031061]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.035739]  ? lock_downgrade+0x900/0x900
[  367.039901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.045461]  cache_grow_begin+0xa5/0x8c0
[  367.049531]  ? do_raw_spin_unlock+0xa7/0x330
[  367.053960]  fallback_alloc+0x204/0x2e0
[  367.057951]  ____cache_alloc_node+0x1c7/0x1e0
[  367.062465]  kmem_cache_alloc_node+0xe3/0x730
[  367.066984]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.071242]  __alloc_skb+0x119/0x770
[  367.074961]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.080248]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.084667]  ? lock_downgrade+0x900/0x900
[  367.088831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.094392]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.099859]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.105328]  ? addrconf_rs_timer+0x690/0x690
[  367.109754]  ndisc_alloc_skb+0x144/0x340
[  367.113831]  ndisc_send_rs+0x331/0x6e0
[  367.117732]  addrconf_rs_timer+0x314/0x690
[  367.121977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.126231]  call_timer_fn+0x272/0x920
[  367.130122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.134360]  ? process_timeout+0x40/0x40
[  367.138439]  ? __run_timers+0x7da/0xc70
[  367.142432]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.146940]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.151445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.155687]  ? lockdep_hardirqs_on+0x296/0x5b0
[  367.160277]  ? trace_hardirqs_on+0xbd/0x310
[  367.164615]  ? kasan_check_read+0x11/0x20
[  367.168769]  ? __run_timers+0x7da/0xc70
[  367.172748]  ? trace_hardirqs_off_caller+0x310/0x310
[  367.177884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.182134]  __run_timers+0x7e5/0xc70
[  367.185949]  ? timer_fixup_init+0x70/0x70
[  367.190107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.195134]  ? zap_class+0x640/0x640
[  367.198857]  ? enqueue_hrtimer+0x1a5/0x560
[  367.203097]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.208316]  ? find_held_lock+0x36/0x1c0
[  367.212391]  ? zap_class+0x640/0x640
[  367.216131]  ? pvclock_read_flags+0x160/0x160
[  367.220636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.226185]  ? check_preemption_disabled+0x48/0x280
[  367.231220]  ? __lock_is_held+0xb5/0x140
[  367.235295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.240868]  ? check_preemption_disabled+0x48/0x280
[  367.245904]  run_timer_softirq+0x52/0xb0
[  367.249974]  ? rcu_read_lock_sched_held+0x14f/0x180
[  367.255005]  __do_softirq+0x308/0xb7e
[  367.258820]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  367.263332]  ? lock_downgrade+0x900/0x900
[  367.267496]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  367.272615]  ? pvclock_read_flags+0x160/0x160
[  367.277117]  ? lapic_next_event+0x5a/0x90
[  367.281299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.286864]  ? kvm_clock_read+0x18/0x30
[  367.290844]  ? kvm_sched_clock_read+0x9/0x20
[  367.295269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.300830]  ? check_preemption_disabled+0x48/0x280
[  367.305865]  irq_exit+0x17f/0x1c0
[  367.309356]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.314203]  ? smp_reschedule_interrupt+0x109/0x650
[  367.319232]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.325121]  ? interrupt_entry+0xb5/0xc0
[  367.329198]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.334406]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.339443]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.344308]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.349340]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.354369]  ? task_prio+0x50/0x50
[  367.357934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.363498]  ? check_preemption_disabled+0x48/0x280
[  367.368533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.373391]  apic_timer_interrupt+0xf/0x20
[  367.377640]  </IRQ>
[  367.379885] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  367.384827] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  367.403773] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.411503] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.418788] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  367.426068] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  367.433353] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  367.440638] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  367.447974]  skb_clone+0x1bb/0x500
[  367.451538]  ? finish_task_switch+0x2f4/0x910
[  367.456044]  ? skb_split+0x11e0/0x11e0
[  367.459951]  ? preempt_notifier_register+0x200/0x200
[  367.465068]  ? __switch_to_asm+0x34/0x70
[  367.469144]  ? __switch_to_asm+0x34/0x70
[  367.473214]  ? __switch_to_asm+0x40/0x70
[  367.477279]  ? __switch_to_asm+0x34/0x70
[  367.481367]  ? __switch_to_asm+0x40/0x70
[  367.485459]  ? __switch_to_asm+0x34/0x70
[  367.489524]  ? __switch_to_asm+0x40/0x70
[  367.493588]  ? __switch_to_asm+0x34/0x70
[  367.497665]  ? __switch_to_asm+0x34/0x70
[  367.501726]  ? __switch_to_asm+0x40/0x70
[  367.505787]  ? __switch_to_asm+0x34/0x70
[  367.509859]  bpf_clone_redirect+0xb9/0x490
[  367.514104]  ? __schedule+0x8d7/0x21d0
[  367.518007]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  367.523038]  ? __sched_text_start+0x8/0x8
[  367.527191]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  367.531958]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  367.536547]  ? retint_kernel+0x2d/0x2d
[  367.540447]  ? find_held_lock+0x36/0x1c0
[  367.544521]  ? lock_acquire+0x1ed/0x520
[  367.548502]  ? bpf_test_run+0x3cb/0x780
[  367.552483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.558069]  ? check_preemption_disabled+0x48/0x280
[  367.563105]  ? kasan_check_read+0x11/0x20
[  367.567261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.572550]  ? rcu_softirq_qs+0x20/0x20
[  367.576555]  ? preempt_schedule+0x4d/0x60
[  367.580711]  ? ___preempt_schedule+0x16/0x18
[  367.585141]  ? bpf_test_run+0x25d/0x780
[  367.589138]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.593559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.599105]  ? bpf_test_init.isra.10+0x70/0x100
[  367.603800]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  367.608573]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.613430]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.618978]  ? fput+0x130/0x1a0
[  367.622264]  ? __bpf_prog_get+0x9b/0x290
[  367.626344]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  367.631204]  ? bpf_prog_test_run+0x130/0x1a0
[  367.635622]  ? __x64_sys_bpf+0x3d8/0x520
[  367.639685]  ? bpf_prog_get+0x20/0x20
[  367.643514]  ? do_syscall_64+0x1b9/0x820
[  367.647577]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.652958]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.657909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.662776]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.667820]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.672869]  ? prepare_exit_to_usermode+0x291/0x3b0
[  367.677909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.682771]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.688162] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  367.688271] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.695103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.695114] Call Trace:
[  367.701772] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.710967]  <IRQ>
[  367.713543] syz-executor1 cpuset=syz1 mems_allowed=0
[  367.724040]  dump_stack+0x244/0x39d
[  367.734891]  ? dump_stack_print_info.cold.1+0x20/0x20
[  367.740107]  warn_alloc.cold.116+0xb7/0x1bd
[  367.744439]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.749293]  ? lock_downgrade+0x900/0x900
[  367.753481]  ? trace_hardirqs_off+0xb8/0x310
[  367.757907]  ? trace_hardirqs_off+0xb8/0x310
[  367.762342]  __alloc_pages_slowpath+0x26e8/0x2e10
[  367.767223]  ? warn_alloc+0x120/0x120
[  367.771034]  ? print_usage_bug+0xc0/0xc0
[  367.775101]  ? warn_alloc+0x120/0x120
[  367.778915]  ? warn_alloc+0x120/0x120
[  367.782726]  ? print_usage_bug+0xc0/0xc0
[  367.786792]  ? kvm_clock_read+0x18/0x30
[  367.790772]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  367.795793]  ? print_usage_bug+0xc0/0xc0
[  367.799863]  ? __lock_acquire+0x62f/0x4c20
[  367.804110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.809652]  ? should_fail+0x22d/0xd01
[  367.813544]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.818827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.823943]  ? __lock_acquire+0x62f/0x4c20
[  367.828188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.833292]  ? __lock_acquire+0x62f/0x4c20
[  367.837542]  ? should_fail+0x22d/0xd01
[  367.841429]  ? rcu_irq_exit+0x1a2/0x390
[  367.845422]  ? mark_held_locks+0x130/0x130
[  367.849664]  ? mark_held_locks+0x130/0x130
[  367.853914]  ? mark_held_locks+0xc7/0x130
[  367.858067]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  367.863085]  ? zap_class+0x640/0x640
[  367.866802]  ? print_usage_bug+0xc0/0xc0
[  367.870871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.876428]  ? check_preemption_disabled+0x48/0x280
[  367.881459]  ? __lock_is_held+0xb5/0x140
[  367.885536]  __alloc_pages_nodemask+0xa80/0xde0
[  367.890218]  ? zap_class+0x640/0x640
[  367.893949]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  367.898980]  ? find_held_lock+0x36/0x1c0
[  367.903057]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.907737]  ? lock_downgrade+0x900/0x900
[  367.911900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.917458]  cache_grow_begin+0xa5/0x8c0
[  367.921531]  ? do_raw_spin_unlock+0xa7/0x330
[  367.925951]  fallback_alloc+0x204/0x2e0
[  367.929939]  ____cache_alloc_node+0x1c7/0x1e0
[  367.934442]  kmem_cache_alloc_node+0xe3/0x730
[  367.938946]  ? ipv6_get_ifaddr+0x42e/0x620
[  367.943198]  __alloc_skb+0x119/0x770
[  367.946918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  367.952204]  ? netdev_alloc_frag+0x1f0/0x1f0
[  367.956622]  ? lock_downgrade+0x900/0x900
[  367.960792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.966341]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.971804]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.977257]  ? addrconf_rs_timer+0x690/0x690
[  367.981682]  ndisc_alloc_skb+0x144/0x340
[  367.985758]  ndisc_send_rs+0x331/0x6e0
[  367.989655]  addrconf_rs_timer+0x314/0x690
[  367.993899]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.998161]  call_timer_fn+0x272/0x920
[  368.002050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.006288]  ? process_timeout+0x40/0x40
[  368.010376]  ? mark_held_locks+0xc7/0x130
[  368.014534]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.019031]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.023531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.027789]  ? lockdep_hardirqs_on+0x296/0x5b0
[  368.032379]  ? trace_hardirqs_on+0xbd/0x310
[  368.036704]  ? kasan_check_read+0x11/0x20
[  368.040856]  ? __run_timers+0x7da/0xc70
[  368.044835]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.049950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.054194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.058434]  __run_timers+0x7e5/0xc70
[  368.062253]  ? timer_fixup_init+0x70/0x70
[  368.066419]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.071450]  ? zap_class+0x640/0x640
[  368.075202]  ? print_usage_bug+0xc0/0xc0
[  368.079283]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.084499]  ? find_held_lock+0x36/0x1c0
[  368.088574]  ? zap_class+0x640/0x640
[  368.092322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.097875]  ? check_preemption_disabled+0x48/0x280
[  368.102919]  ? __lock_is_held+0xb5/0x140
[  368.106991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.112535]  ? check_preemption_disabled+0x48/0x280
[  368.117566]  run_timer_softirq+0x52/0xb0
[  368.121636]  ? rcu_read_lock_sched_held+0x14f/0x180
[  368.126663]  __do_softirq+0x308/0xb7e
[  368.130478]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  368.134979]  ? lock_downgrade+0x900/0x900
[  368.139140]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  368.144274]  ? pvclock_read_flags+0x160/0x160
[  368.148784]  ? lapic_next_event+0x5a/0x90
[  368.152952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.158502]  ? kvm_clock_read+0x18/0x30
[  368.162486]  ? kvm_sched_clock_read+0x9/0x20
[  368.166907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.172457]  ? check_preemption_disabled+0x48/0x280
[  368.177509]  irq_exit+0x17f/0x1c0
[  368.180973]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.185818]  ? smp_reschedule_interrupt+0x109/0x650
[  368.190844]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.196738]  ? interrupt_entry+0xb5/0xc0
[  368.201139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.206159]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.211183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.216032]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.221053]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.226080]  ? task_prio+0x50/0x50
[  368.229631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.235177]  ? check_preemption_disabled+0x48/0x280
[  368.240207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.245066]  apic_timer_interrupt+0xf/0x20
[  368.249296]  </IRQ>
[  368.251558] RIP: 0010:console_unlock+0x102f/0x1190
[  368.256505] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  368.275415] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  368.283139] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  368.290408] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  368.297680] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  368.304964] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  368.312242] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  368.319536]  ? netconsole_netdev_event+0x280/0x280
[  368.324491]  ? console_unlock+0x1026/0x1190
[  368.328835]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  368.333516]  ? vprintk_emit+0x846/0x990
[  368.337518]  ? lock_release+0xa00/0xa00
[  368.341501]  ? trace_hardirqs_on+0x60/0x310
[  368.345828]  ? vprintk_default+0x28/0x30
[  368.349894]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.355027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.360581]  vprintk_emit+0x391/0x990
[  368.364412]  ? wake_up_klogd+0x180/0x180
[  368.368486]  ? find_held_lock+0x1/0x1c0
[  368.372486]  ? mark_held_locks+0xc7/0x130
[  368.376692]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.381189]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.385701]  vprintk_default+0x28/0x30
[  368.389594]  vprintk_func+0x7e/0x181
[  368.393320]  printk+0xa7/0xcf
[  368.396429]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  368.401194]  ? _raw_spin_unlock_irq+0x60/0x80
[  368.405708]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  368.411004]  dump_header+0x7cc/0xf72
[  368.414735]  ? pagefault_out_of_memory+0x197/0x197
[  368.419682]  ? __lock_acquire+0x62f/0x4c20
[  368.423930]  ? percpu_ref_get_many+0x240/0x240
[  368.428520]  ? print_usage_bug+0xc0/0xc0
[  368.432593]  ? zap_class+0x640/0x640
[  368.436323]  ? print_usage_bug+0xc0/0xc0
[  368.440393]  ? zap_class+0x640/0x640
[  368.444114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.449662]  ? find_held_lock+0x36/0x1c0
[  368.453734]  ? mark_held_locks+0xc7/0x130
[  368.457888]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.462999]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  368.468111]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.472719]  ? trace_hardirqs_on+0xbd/0x310
[  368.477045]  ? kasan_check_read+0x11/0x20
[  368.481204]  ? ___ratelimit+0x3b4/0x672
[  368.485186]  ? trace_hardirqs_off_caller+0x310/0x310
[  368.490299]  ? trace_hardirqs_on+0x310/0x310
[  368.494728]  ? lock_downgrade+0x900/0x900
[  368.498886]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  368.504007]  ? ___ratelimit+0x3b9/0x672
[  368.507987]  ? idr_get_free+0xf70/0xf70
[  368.511968]  ? find_held_lock+0x36/0x1c0
[  368.516050]  oom_kill_process.cold.27+0x10/0x903
[  368.520841]  ? zap_class+0x640/0x640
[  368.524566]  ? check_preemption_disabled+0x48/0x280
[  368.529608]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.534554]  ? kasan_check_read+0x11/0x20
[  368.538708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.543996]  ? oom_evaluate_task+0x540/0x540
[  368.548421]  ? find_held_lock+0x36/0x1c0
[  368.552537]  ? out_of_memory+0x974/0x1430
[  368.556697]  ? lock_downgrade+0x900/0x900
[  368.560851]  ? check_preemption_disabled+0x48/0x280
[  368.565881]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.570820]  ? kasan_check_read+0x11/0x20
[  368.574975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.580258]  ? rcu_softirq_qs+0x20/0x20
[  368.584241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.589779]  ? oom_evaluate_task+0x302/0x540
[  368.594197]  out_of_memory+0xa84/0x1430
[  368.598183]  ? oom_killer_disable+0x3a0/0x3a0
[  368.602686]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  368.607627]  ? __ww_mutex_check_waiters+0x160/0x160
[  368.612681]  __alloc_pages_slowpath+0x2354/0x2e10
[  368.617564]  ? warn_alloc+0x120/0x120
[  368.621368]  ? mark_held_locks+0x130/0x130
[  368.625618]  ? find_get_entry+0xaae/0x1120
[  368.629866]  ? filemap_map_pages+0x1a20/0x1a20
[  368.634465]  ? zap_class+0x640/0x640
[  368.638189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.643735]  ? check_preemption_disabled+0x48/0x280
[  368.648771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.654338]  ? should_fail+0x22d/0xd01
[  368.658244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  368.663362]  ? zap_class+0x640/0x640
[  368.667117]  ? __lock_is_held+0xb5/0x140
[  368.671195]  ? mark_held_locks+0x130/0x130
[  368.675436]  ? lock_release+0xa00/0xa00
[  368.679434]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.684893]  ? xa_load+0x2ba/0x460
[  368.688447]  ? lock_downgrade+0x900/0x900
[  368.692618]  ? __might_sleep+0x95/0x190
[  368.696609]  __alloc_pages_nodemask+0xa80/0xde0
[  368.701298]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  368.706362]  ? __page_cache_alloc+0x191/0x5c0
[  368.710876]  ? xa_load+0x2e1/0x460
[  368.714431]  ? xa_clear_mark+0x40/0x40
[  368.718330]  ? zap_class+0x640/0x640
[  368.722056]  ? zap_class+0x640/0x640
[  368.725784]  ? zap_class+0x640/0x640
[  368.729506]  ? zap_class+0x640/0x640
[  368.733228]  ? __do_page_cache_readahead+0x663/0x810
[  368.738360]  ? find_held_lock+0x36/0x1c0
[  368.742461]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  368.748032]  alloc_pages_current+0x173/0x350
[  368.752463]  __page_cache_alloc+0x38c/0x5c0
[  368.756809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.761752]  ? kasan_check_read+0x11/0x20
[  368.765915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.771208]  ? generic_perform_write+0x6a0/0x6a0
[  368.775983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.781531]  ? check_preemption_disabled+0x48/0x280
[  368.786572]  filemap_fault+0x1595/0x25f0
[  368.790656]  ? __lock_page_or_retry+0xa00/0xa00
[  368.795347]  ? mark_held_locks+0x130/0x130
[  368.799603]  ? filemap_map_pages+0xd6b/0x1a20
[  368.804110]  ? lock_downgrade+0x900/0x900
[  368.808275]  ? check_preemption_disabled+0x48/0x280
[  368.813325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  368.818268]  ? kasan_check_read+0x11/0x20
[  368.822437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  368.827730]  ? rcu_softirq_qs+0x20/0x20
[  368.831731]  ? filemap_map_pages+0xd92/0x1a20
[  368.836243]  ? queue_work_on+0x12c/0x1e0
[  368.840329]  ? find_get_entries_tag+0x1400/0x1400
[  368.845193]  ? debug_object_destroy+0x2b0/0x2b0
[  368.849887]  ? lock_pi_update_atomic+0x150/0x150
[  368.854671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.860249]  ? lock_acquire+0x1ed/0x520
[  368.864243]  ? ext4_filemap_fault+0x7a/0xad
[  368.868590]  ? lock_release+0xa00/0xa00
[  368.872576]  ? perf_trace_sched_process_exec+0x860/0x860
[  368.878037]  ? print_usage_bug+0xc0/0xc0
[  368.882121]  ? print_usage_bug+0xc0/0xc0
[  368.886207]  ? down_read+0x8d/0x120
[  368.889843]  ? ext4_filemap_fault+0x7a/0xad
[  368.894185]  ? __down_interruptible+0x700/0x700
[  368.898895]  ext4_filemap_fault+0x82/0xad
[  368.903066]  __do_fault+0x100/0x6b0
[  368.906717]  ? find_held_lock+0x36/0x1c0
[  368.910797]  ? pmd_devmap_trans_unstable+0x220/0x220
[  368.915929]  ? mark_held_locks+0x130/0x130
[  368.920182]  ? mark_held_locks+0x130/0x130
[  368.924427]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.928941]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.933451]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  368.938051]  ? kasan_check_read+0x11/0x20
[  368.942212]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.947773]  __handle_mm_fault+0x3ea0/0x5be0
[  368.952207]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  368.957081]  ? finish_task_switch+0x1f4/0x910
[  368.961597]  ? finish_task_switch+0x1b4/0x910
[  368.966115]  ? __switch_to_asm+0x34/0x70
[  368.970198]  ? preempt_notifier_register+0x200/0x200
[  368.975315]  ? __switch_to_asm+0x34/0x70
[  368.979380]  ? __switch_to_asm+0x34/0x70
[  368.983468]  ? zap_class+0x640/0x640
[  368.987193]  ? zap_class+0x640/0x640
[  368.990934]  ? __x64_sys_futex+0x53e/0x6a0
[  368.995184]  ? find_held_lock+0x36/0x1c0
[  368.999264]  ? handle_mm_fault+0x42a/0xc70
[  369.003516]  ? lock_downgrade+0x900/0x900
[  369.007678]  ? check_preemption_disabled+0x48/0x280
[  369.012722]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  369.017671]  ? kasan_check_read+0x11/0x20
[  369.021827]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.027117]  ? rcu_softirq_qs+0x20/0x20
[  369.031103]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.036218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.041771]  ? check_preemption_disabled+0x48/0x280
[  369.046806]  handle_mm_fault+0x54f/0xc70
[  369.050885]  ? __handle_mm_fault+0x5be0/0x5be0
[  369.055485]  ? find_vma+0x34/0x190
[  369.059054]  __do_page_fault+0x5e8/0xe60
[  369.063135]  ? trace_hardirqs_off+0xb8/0x310
[  369.067565]  do_page_fault+0xf2/0x7e0
[  369.071373]  ? vmalloc_sync_all+0x30/0x30
[  369.075524]  ? error_entry+0x70/0xd0
[  369.079241]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.084265]  ? trace_hardirqs_on_caller+0xc0/0x310
[  369.089221]  ? syscall_return_slowpath+0x5e0/0x5e0
[  369.094170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.099031]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.104057]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.109534]  ? prepare_exit_to_usermode+0x291/0x3b0
[  369.114563]  ? page_fault+0x8/0x30
[  369.118118]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.122974]  ? page_fault+0x8/0x30
[  369.126542]  page_fault+0x1e/0x30
[  369.130007] RIP: 0033:0x45ddf3
[  369.133235] Code: Bad RIP value.
[  369.136598] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  369.141979] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  369.149269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  369.156564] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  369.163848] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  369.171128] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  369.178429] warn_alloc_show_mem: 1 callbacks suppressed
[  369.178442] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  369.178444] Mem-Info:
[  369.178478] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  369.178478]  active_file:15 inactive_file:15 isolated_file:0
[  369.178478]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.178478]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  369.178478]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  369.178478]  free:13750 free_pcp:296 free_cma:0
[  369.183828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.191130] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.193540] Call Trace:
[  369.226601] 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
[  369.236007]  <IRQ>
[  369.263518] lowmem_reserve[]: 0 2818 6321 6321
[  369.266135]  dump_stack+0x244/0x39d
[  369.292237] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  369.294442]  ? dump_stack_print_info.cold.1+0x20/0x20
[  369.298990] lowmem_reserve[]: 0 0 3503 3503
[  369.302651]  warn_alloc.cold.116+0xb7/0x1bd
[  369.330341] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  369.335556]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.339859] lowmem_reserve[]: 0 0 0 0
[  369.344196]  ? lock_downgrade+0x900/0x900
[  369.373161] 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
[  369.378019]  ? trace_hardirqs_off+0xb8/0x310
[  369.381787] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  369.385945]  ? trace_hardirqs_off+0xb8/0x310
[  369.399455] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  369.403888]  __alloc_pages_slowpath+0x26e8/0x2e10
[  369.419409] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.423850]  ? warn_alloc+0x120/0x120
[  369.437963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.442841]  ? print_usage_bug+0xc0/0xc0
[  369.451657] 2335 total pagecache pages
[  369.455468]  ? warn_alloc+0x120/0x120
[  369.464026] 0 pages in swap cache
[  369.468093]  ? warn_alloc+0x120/0x120
[  369.471958] Swap cache stats: add 0, delete 0, find 0/0
[  369.475773]  ? print_usage_bug+0xc0/0xc0
[  369.479191] Free swap  = 0kB
[  369.482995]  ? kvm_clock_read+0x18/0x30
[  369.488345] Total swap = 0kB
[  369.492417]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  369.495412] 1965979 pages RAM
[  369.499395]  ? print_usage_bug+0xc0/0xc0
[  369.502381] 0 pages HighMem/MovableOnly
[  369.502390] 342853 pages reserved
[  369.507437]  ? __lock_acquire+0x62f/0x4c20
[  369.510538] 0 pages cma reserved
[  369.510639] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.514613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.518681] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.522021]  ? should_fail+0x22d/0xd01
[  369.526248] syz-fuzzer cpuset=/ mems_allowed=0
[  369.529617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.565582]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.570705]  ? __lock_acquire+0x62f/0x4c20
[  369.574958]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.580088]  ? __lock_acquire+0x62f/0x4c20
[  369.584338]  ? should_fail+0x22d/0xd01
[  369.588238]  ? rcu_irq_exit+0x1a2/0x390
[  369.592236]  ? mark_held_locks+0x130/0x130
[  369.596492]  ? mark_held_locks+0x130/0x130
[  369.600745]  ? mark_held_locks+0xc7/0x130
[  369.604913]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  369.609955]  ? zap_class+0x640/0x640
[  369.613681]  ? print_usage_bug+0xc0/0xc0
[  369.617782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.623355]  ? check_preemption_disabled+0x48/0x280
[  369.628431]  ? __lock_is_held+0xb5/0x140
[  369.632525]  __alloc_pages_nodemask+0xa80/0xde0
[  369.637206]  ? zap_class+0x640/0x640
[  369.640935]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  369.645980]  ? find_held_lock+0x36/0x1c0
[  369.650068]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.654767]  ? lock_downgrade+0x900/0x900
[  369.658934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.664493]  cache_grow_begin+0xa5/0x8c0
[  369.668567]  ? do_raw_spin_unlock+0xa7/0x330
[  369.672994]  fallback_alloc+0x204/0x2e0
[  369.676973]  ____cache_alloc_node+0x1c7/0x1e0
[  369.681495]  kmem_cache_alloc_node+0xe3/0x730
[  369.686002]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.690255]  __alloc_skb+0x119/0x770
[  369.693975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  369.699275]  ? netdev_alloc_frag+0x1f0/0x1f0
[  369.703704]  ? lock_downgrade+0x900/0x900
[  369.707876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.713431]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.718899]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.724369]  ? addrconf_rs_timer+0x690/0x690
[  369.728807]  ndisc_alloc_skb+0x144/0x340
[  369.732882]  ndisc_send_rs+0x331/0x6e0
[  369.736796]  addrconf_rs_timer+0x314/0x690
[  369.741050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.745314]  call_timer_fn+0x272/0x920
[  369.749214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.753459]  ? process_timeout+0x40/0x40
[  369.757536]  ? __run_timers+0x7da/0xc70
[  369.761520]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.766019]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.770524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.774792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  369.779378]  ? trace_hardirqs_on+0xbd/0x310
[  369.783714]  ? kasan_check_read+0x11/0x20
[  369.787876]  ? __run_timers+0x7da/0xc70
[  369.791862]  ? trace_hardirqs_off_caller+0x310/0x310
[  369.796990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.801246]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.805498]  __run_timers+0x7e5/0xc70
[  369.809331]  ? timer_fixup_init+0x70/0x70
[  369.813497]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.818530]  ? zap_class+0x640/0x640
[  369.822263]  ? enqueue_hrtimer+0x1a5/0x560
[  369.826512]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.831741]  ? find_held_lock+0x36/0x1c0
[  369.835831]  ? zap_class+0x640/0x640
[  369.839569]  ? pvclock_read_flags+0x160/0x160
[  369.844084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.849647]  ? check_preemption_disabled+0x48/0x280
[  369.854692]  ? __lock_is_held+0xb5/0x140
[  369.858776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.864346]  ? check_preemption_disabled+0x48/0x280
[  369.869395]  run_timer_softirq+0x52/0xb0
[  369.873477]  ? rcu_read_lock_sched_held+0x14f/0x180
[  369.878500]  __do_softirq+0x308/0xb7e
[  369.882320]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  369.886827]  ? lock_downgrade+0x900/0x900
[  369.890998]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  369.896129]  ? pvclock_read_flags+0x160/0x160
[  369.900647]  ? lapic_next_event+0x5a/0x90
[  369.904817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.910383]  ? kvm_clock_read+0x18/0x30
[  369.914385]  ? kvm_sched_clock_read+0x9/0x20
[  369.918817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.924376]  ? check_preemption_disabled+0x48/0x280
[  369.929426]  irq_exit+0x17f/0x1c0
[  369.932898]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.937757]  ? smp_reschedule_interrupt+0x109/0x650
[  369.942794]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.948699]  ? interrupt_entry+0xb5/0xc0
[  369.954623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.960504]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.965550]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.970423]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.975492]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.980549]  ? task_prio+0x50/0x50
[  369.984101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.989660]  ? check_preemption_disabled+0x48/0x280
[  369.994704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.999573]  apic_timer_interrupt+0xf/0x20
[  370.003814]  </IRQ>
[  370.006070] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  370.011014] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  370.029936] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.037677] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.044974] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  370.052269] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  370.059575] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  370.066874] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  370.074217]  skb_clone+0x1bb/0x500
[  370.077792]  ? finish_task_switch+0x2f4/0x910
[  370.082318]  ? skb_split+0x11e0/0x11e0
[  370.086225]  ? preempt_notifier_register+0x200/0x200
[  370.091350]  ? __switch_to_asm+0x34/0x70
[  370.095434]  ? __switch_to_asm+0x34/0x70
[  370.099508]  ? __switch_to_asm+0x40/0x70
[  370.103581]  ? __switch_to_asm+0x34/0x70
[  370.107658]  ? __switch_to_asm+0x40/0x70
[  370.111731]  ? __switch_to_asm+0x34/0x70
[  370.115804]  ? __switch_to_asm+0x40/0x70
[  370.119875]  ? __switch_to_asm+0x34/0x70
[  370.123946]  ? __switch_to_asm+0x34/0x70
[  370.128014]  ? __switch_to_asm+0x40/0x70
[  370.132097]  ? __switch_to_asm+0x34/0x70
[  370.136193]  bpf_clone_redirect+0xb9/0x490
[  370.140445]  ? __schedule+0x8d7/0x21d0
[  370.144354]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  370.149394]  ? __sched_text_start+0x8/0x8
[  370.153627]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  370.158409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  370.163016]  ? retint_kernel+0x2d/0x2d
[  370.166920]  ? find_held_lock+0x36/0x1c0
[  370.171004]  ? lock_acquire+0x1ed/0x520
[  370.174983]  ? bpf_test_run+0x3cb/0x780
[  370.178967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.184518]  ? check_preemption_disabled+0x48/0x280
[  370.189555]  ? kasan_check_read+0x11/0x20
[  370.193716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.199442]  ? rcu_softirq_qs+0x20/0x20
[  370.203440]  ? preempt_schedule+0x4d/0x60
[  370.207600]  ? ___preempt_schedule+0x16/0x18
[  370.212032]  ? bpf_test_run+0x25d/0x780
[  370.216033]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.220462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.226014]  ? bpf_test_init.isra.10+0x70/0x100
[  370.230975]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  370.235752]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.240606]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.246158]  ? fput+0x130/0x1a0
[  370.249451]  ? __bpf_prog_get+0x9b/0x290
[  370.253526]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  370.258382]  ? bpf_prog_test_run+0x130/0x1a0
[  370.262810]  ? __x64_sys_bpf+0x3d8/0x520
[  370.266886]  ? bpf_prog_get+0x20/0x20
[  370.270718]  ? do_syscall_64+0x1b9/0x820
[  370.274786]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.280158]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.285098]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.289958]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.294990]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.300021]  ? prepare_exit_to_usermode+0x291/0x3b0
[  370.305057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.309925]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.315332] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  370.315429] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.322277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.322288] Call Trace:
[  370.328946] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.338164]  <IRQ>
[  370.340743] syz-executor1 cpuset=syz1 mems_allowed=0
[  370.351249]  dump_stack+0x244/0x39d
[  370.362114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  370.367348]  warn_alloc.cold.116+0xb7/0x1bd
[  370.371691]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.376544]  ? lock_downgrade+0x900/0x900
[  370.380700]  ? trace_hardirqs_off+0xb8/0x310
[  370.385127]  ? trace_hardirqs_off+0xb8/0x310
[  370.389560]  __alloc_pages_slowpath+0x26e8/0x2e10
[  370.394459]  ? warn_alloc+0x120/0x120
[  370.398279]  ? print_usage_bug+0xc0/0xc0
[  370.402360]  ? warn_alloc+0x120/0x120
[  370.406175]  ? warn_alloc+0x120/0x120
[  370.409993]  ? print_usage_bug+0xc0/0xc0
[  370.414065]  ? kvm_clock_read+0x18/0x30
[  370.418050]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  370.423081]  ? print_usage_bug+0xc0/0xc0
[  370.427163]  ? __lock_acquire+0x62f/0x4c20
[  370.431427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.436998]  ? should_fail+0x22d/0xd01
[  370.440897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.446205]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.451335]  ? __lock_acquire+0x62f/0x4c20
[  370.455606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.460722]  ? __lock_acquire+0x62f/0x4c20
[  370.464976]  ? should_fail+0x22d/0xd01
[  370.468876]  ? rcu_irq_exit+0x1a2/0x390
[  370.472878]  ? mark_held_locks+0x130/0x130
[  370.477120]  ? mark_held_locks+0x130/0x130
[  370.481363]  ? mark_held_locks+0xc7/0x130
[  370.485535]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  370.490576]  ? zap_class+0x640/0x640
[  370.494316]  ? print_usage_bug+0xc0/0xc0
[  370.498413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.503978]  ? check_preemption_disabled+0x48/0x280
[  370.509032]  ? __lock_is_held+0xb5/0x140
[  370.513136]  __alloc_pages_nodemask+0xa80/0xde0
[  370.517844]  ? zap_class+0x640/0x640
[  370.521602]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  370.526658]  ? find_held_lock+0x36/0x1c0
[  370.530758]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.535480]  ? lock_downgrade+0x900/0x900
[  370.539661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.545235]  cache_grow_begin+0xa5/0x8c0
[  370.549327]  ? do_raw_spin_unlock+0xa7/0x330
[  370.553784]  fallback_alloc+0x204/0x2e0
[  370.557795]  ____cache_alloc_node+0x1c7/0x1e0
[  370.562343]  kmem_cache_alloc_node+0xe3/0x730
[  370.566867]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.571138]  __alloc_skb+0x119/0x770
[  370.574864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  370.580158]  ? netdev_alloc_frag+0x1f0/0x1f0
[  370.584589]  ? lock_downgrade+0x900/0x900
[  370.588763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.594334]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.599818]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.605289]  ? addrconf_rs_timer+0x690/0x690
[  370.609769]  ndisc_alloc_skb+0x144/0x340
[  370.613852]  ndisc_send_rs+0x331/0x6e0
[  370.617758]  addrconf_rs_timer+0x314/0x690
[  370.622040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.626298]  call_timer_fn+0x272/0x920
[  370.630213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.634461]  ? process_timeout+0x40/0x40
[  370.638546]  ? mark_held_locks+0xc7/0x130
[  370.642720]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.647247]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.651767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.656028]  ? lockdep_hardirqs_on+0x296/0x5b0
[  370.660645]  ? trace_hardirqs_on+0xbd/0x310
[  370.664986]  ? kasan_check_read+0x11/0x20
[  370.669149]  ? __run_timers+0x7da/0xc70
[  370.673134]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.678259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.682545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.686786]  __run_timers+0x7e5/0xc70
[  370.690607]  ? timer_fixup_init+0x70/0x70
[  370.694772]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.699807]  ? zap_class+0x640/0x640
[  370.703540]  ? print_usage_bug+0xc0/0xc0
[  370.707616]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.712839]  ? find_held_lock+0x36/0x1c0
[  370.716919]  ? zap_class+0x640/0x640
[  370.720653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.726228]  ? check_preemption_disabled+0x48/0x280
[  370.731280]  ? __lock_is_held+0xb5/0x140
[  370.735373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.740946]  ? check_preemption_disabled+0x48/0x280
[  370.745988]  run_timer_softirq+0x52/0xb0
[  370.750080]  ? rcu_read_lock_sched_held+0x14f/0x180
[  370.755119]  __do_softirq+0x308/0xb7e
[  370.758944]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  370.763455]  ? lock_downgrade+0x900/0x900
[  370.767623]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  370.772749]  ? pvclock_read_flags+0x160/0x160
[  370.777248]  ? lapic_next_event+0x5a/0x90
[  370.781406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.786971]  ? kvm_clock_read+0x18/0x30
[  370.790967]  ? kvm_sched_clock_read+0x9/0x20
[  370.795420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.800986]  ? check_preemption_disabled+0x48/0x280
[  370.806034]  irq_exit+0x17f/0x1c0
[  370.809505]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.814365]  ? smp_reschedule_interrupt+0x109/0x650
[  370.819405]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.825325]  ? interrupt_entry+0xb5/0xc0
[  370.829412]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.834450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.839492]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.844360]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.849399]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.854445]  ? task_prio+0x50/0x50
[  370.858013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.863583]  ? check_preemption_disabled+0x48/0x280
[  370.868641]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.873518]  apic_timer_interrupt+0xf/0x20
[  370.877754]  </IRQ>
[  370.880015] RIP: 0010:console_unlock+0x102f/0x1190
[  370.884957] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  370.903896] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  370.911648] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  370.918941] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  370.926229] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  370.933532] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  370.940831] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  370.948138]  ? netconsole_netdev_event+0x280/0x280
[  370.953096]  ? console_unlock+0x1026/0x1190
[  370.957460]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  370.962138]  ? vprintk_emit+0x846/0x990
[  370.966133]  ? lock_release+0xa00/0xa00
[  370.970122]  ? trace_hardirqs_on+0x60/0x310
[  370.974484]  ? vprintk_default+0x28/0x30
[  370.978558]  ? trace_hardirqs_off_caller+0x310/0x310
[  370.983711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.989270]  vprintk_emit+0x391/0x990
[  370.993098]  ? wake_up_klogd+0x180/0x180
[  370.997181]  ? find_held_lock+0x1/0x1c0
[  371.001178]  ? mark_held_locks+0xc7/0x130
[  371.005356]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.009860]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.014378]  vprintk_default+0x28/0x30
[  371.018277]  vprintk_func+0x7e/0x181
[  371.022007]  printk+0xa7/0xcf
[  371.025138]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  371.029912]  ? _raw_spin_unlock_irq+0x60/0x80
[  371.034441]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  371.039741]  dump_header+0x7cc/0xf72
[  371.043482]  ? pagefault_out_of_memory+0x197/0x197
[  371.048436]  ? __lock_acquire+0x62f/0x4c20
[  371.052688]  ? percpu_ref_get_many+0x240/0x240
[  371.057290]  ? print_usage_bug+0xc0/0xc0
[  371.061423]  ? zap_class+0x640/0x640
[  371.065152]  ? print_usage_bug+0xc0/0xc0
[  371.069223]  ? zap_class+0x640/0x640
[  371.072961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.078506]  ? find_held_lock+0x36/0x1c0
[  371.082585]  ? mark_held_locks+0xc7/0x130
[  371.086748]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.091867]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  371.096996]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.101593]  ? trace_hardirqs_on+0xbd/0x310
[  371.105942]  ? kasan_check_read+0x11/0x20
[  371.110130]  ? ___ratelimit+0x3b4/0x672
[  371.114136]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.119262]  ? trace_hardirqs_on+0x310/0x310
[  371.123688]  ? lock_downgrade+0x900/0x900
[  371.127849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  371.132968]  ? ___ratelimit+0x3b9/0x672
[  371.136961]  ? idr_get_free+0xf70/0xf70
[  371.140947]  ? find_held_lock+0x36/0x1c0
[  371.145034]  oom_kill_process.cold.27+0x10/0x903
[  371.149813]  ? zap_class+0x640/0x640
[  371.153550]  ? check_preemption_disabled+0x48/0x280
[  371.158604]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.163553]  ? kasan_check_read+0x11/0x20
[  371.167718]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.173007]  ? oom_evaluate_task+0x540/0x540
[  371.177422]  ? find_held_lock+0x36/0x1c0
[  371.181493]  ? out_of_memory+0x974/0x1430
[  371.185657]  ? lock_downgrade+0x900/0x900
[  371.189812]  ? check_preemption_disabled+0x48/0x280
[  371.194857]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.199801]  ? kasan_check_read+0x11/0x20
[  371.203962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.209259]  ? rcu_softirq_qs+0x20/0x20
[  371.213253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.218807]  ? oom_evaluate_task+0x302/0x540
[  371.223236]  out_of_memory+0xa84/0x1430
[  371.227236]  ? oom_killer_disable+0x3a0/0x3a0
[  371.231751]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  371.236701]  ? __ww_mutex_check_waiters+0x160/0x160
[  371.241748]  __alloc_pages_slowpath+0x2354/0x2e10
[  371.246641]  ? warn_alloc+0x120/0x120
[  371.250451]  ? mark_held_locks+0x130/0x130
[  371.254704]  ? find_get_entry+0xaae/0x1120
[  371.258960]  ? filemap_map_pages+0x1a20/0x1a20
[  371.263564]  ? zap_class+0x640/0x640
[  371.267294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.272851]  ? check_preemption_disabled+0x48/0x280
[  371.277961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.283518]  ? should_fail+0x22d/0xd01
[  371.287423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.292547]  ? zap_class+0x640/0x640
[  371.296322]  ? __lock_is_held+0xb5/0x140
[  371.300415]  ? mark_held_locks+0x130/0x130
[  371.304675]  ? lock_release+0xa00/0xa00
[  371.308676]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.314143]  ? xa_load+0x2ba/0x460
[  371.317704]  ? lock_downgrade+0x900/0x900
[  371.321871]  ? __might_sleep+0x95/0x190
[  371.325864]  __alloc_pages_nodemask+0xa80/0xde0
[  371.331040]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  371.336065]  ? __page_cache_alloc+0x191/0x5c0
[  371.340570]  ? xa_load+0x2e1/0x460
[  371.344121]  ? xa_clear_mark+0x40/0x40
[  371.348014]  ? zap_class+0x640/0x640
[  371.351744]  ? zap_class+0x640/0x640
[  371.355472]  ? zap_class+0x640/0x640
[  371.359189]  ? zap_class+0x640/0x640
[  371.362914]  ? __do_page_cache_readahead+0x663/0x810
[  371.368033]  ? find_held_lock+0x36/0x1c0
[  371.372119]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  371.377710]  alloc_pages_current+0x173/0x350
[  371.382164]  __page_cache_alloc+0x38c/0x5c0
[  371.386494]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.391434]  ? kasan_check_read+0x11/0x20
[  371.395590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.400883]  ? generic_perform_write+0x6a0/0x6a0
[  371.405669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.411255]  ? check_preemption_disabled+0x48/0x280
[  371.416316]  filemap_fault+0x1595/0x25f0
[  371.420404]  ? __lock_page_or_retry+0xa00/0xa00
[  371.425095]  ? mark_held_locks+0x130/0x130
[  371.429363]  ? filemap_map_pages+0xd6b/0x1a20
[  371.433877]  ? lock_downgrade+0x900/0x900
[  371.438051]  ? check_preemption_disabled+0x48/0x280
[  371.443099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.448051]  ? kasan_check_read+0x11/0x20
[  371.452223]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.457510]  ? rcu_softirq_qs+0x20/0x20
[  371.461517]  ? filemap_map_pages+0xd92/0x1a20
[  371.466034]  ? queue_work_on+0x12c/0x1e0
[  371.470111]  ? find_get_entries_tag+0x1400/0x1400
[  371.474976]  ? debug_object_destroy+0x2b0/0x2b0
[  371.479646]  ? lock_pi_update_atomic+0x150/0x150
[  371.484414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.489983]  ? lock_acquire+0x1ed/0x520
[  371.493970]  ? ext4_filemap_fault+0x7a/0xad
[  371.498325]  ? lock_release+0xa00/0xa00
[  371.502320]  ? perf_trace_sched_process_exec+0x860/0x860
[  371.507800]  ? print_usage_bug+0xc0/0xc0
[  371.511875]  ? print_usage_bug+0xc0/0xc0
[  371.515963]  ? down_read+0x8d/0x120
[  371.519597]  ? ext4_filemap_fault+0x7a/0xad
[  371.523939]  ? __down_interruptible+0x700/0x700
[  371.528632]  ext4_filemap_fault+0x82/0xad
[  371.532791]  __do_fault+0x100/0x6b0
[  371.536427]  ? find_held_lock+0x36/0x1c0
[  371.540517]  ? pmd_devmap_trans_unstable+0x220/0x220
[  371.545636]  ? mark_held_locks+0x130/0x130
[  371.549879]  ? mark_held_locks+0x130/0x130
[  371.554131]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.558647]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.563157]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  371.567764]  ? kasan_check_read+0x11/0x20
[  371.571925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.577487]  __handle_mm_fault+0x3ea0/0x5be0
[  371.581929]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  371.586787]  ? finish_task_switch+0x1f4/0x910
[  371.591293]  ? finish_task_switch+0x1b4/0x910
[  371.595814]  ? __switch_to_asm+0x34/0x70
[  371.599897]  ? preempt_notifier_register+0x200/0x200
[  371.605023]  ? __switch_to_asm+0x34/0x70
[  371.609104]  ? __switch_to_asm+0x34/0x70
[  371.613201]  ? zap_class+0x640/0x640
[  371.616940]  ? zap_class+0x640/0x640
[  371.620671]  ? __x64_sys_futex+0x53e/0x6a0
[  371.624935]  ? find_held_lock+0x36/0x1c0
[  371.629023]  ? handle_mm_fault+0x42a/0xc70
[  371.633281]  ? lock_downgrade+0x900/0x900
[  371.637460]  ? check_preemption_disabled+0x48/0x280
[  371.642505]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  371.647459]  ? kasan_check_read+0x11/0x20
[  371.651630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  371.656936]  ? rcu_softirq_qs+0x20/0x20
[  371.660928]  ? trace_hardirqs_off_caller+0x310/0x310
[  371.666051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.671622]  ? check_preemption_disabled+0x48/0x280
[  371.676647]  handle_mm_fault+0x54f/0xc70
[  371.680716]  ? __handle_mm_fault+0x5be0/0x5be0
[  371.685326]  ? find_vma+0x34/0x190
[  371.688889]  __do_page_fault+0x5e8/0xe60
[  371.692973]  ? trace_hardirqs_off+0xb8/0x310
[  371.697405]  do_page_fault+0xf2/0x7e0
[  371.701223]  ? vmalloc_sync_all+0x30/0x30
[  371.705394]  ? error_entry+0x70/0xd0
[  371.709130]  ? trace_hardirqs_off_caller+0xbb/0x310
[  371.714183]  ? trace_hardirqs_on_caller+0xc0/0x310
[  371.719136]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.724088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.728980]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.734024]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.739514]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.744566]  ? page_fault+0x8/0x30
[  371.748139]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.753027]  ? page_fault+0x8/0x30
[  371.756596]  page_fault+0x1e/0x30
[  371.760071] RIP: 0033:0x45ddf3
[  371.763315] Code: Bad RIP value.
[  371.766694] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  371.772071] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  371.779349] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  371.786637] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  371.793937] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  371.801227] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  371.808547] warn_alloc_show_mem: 1 callbacks suppressed
[  371.808561] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  371.808563] Mem-Info:
[  371.808596] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  371.808596]  active_file:15 inactive_file:15 isolated_file:0
[  371.808596]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.808596]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  371.808596]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  371.808596]  free:13750 free_pcp:296 free_cma:0
[  371.813958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.821250] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.823663] Call Trace:
[  371.856724] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  371.866092]  <IRQ>
[  371.893603] lowmem_reserve[]: 0 2818 6321 6321
[  371.896206]  dump_stack+0x244/0x39d
[  371.922298] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  371.924479]  ? dump_stack_print_info.cold.1+0x20/0x20
[  371.929027] lowmem_reserve[]: 0 0 3503 3503
[  371.932675]  warn_alloc.cold.116+0xb7/0x1bd
[  371.960161] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  371.965378]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.969669] lowmem_reserve[]: 0 0 0 0
[  371.973998]  ? lock_downgrade+0x900/0x900
[  372.002970] 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
[  372.007836]  ? trace_hardirqs_off+0xb8/0x310
[  372.011604] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  372.015761]  ? trace_hardirqs_off+0xb8/0x310
[  372.029274] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  372.033727]  __alloc_pages_slowpath+0x26e8/0x2e10
[  372.049255] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.053710]  ? warn_alloc+0x120/0x120
[  372.067812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.072679]  ? print_usage_bug+0xc0/0xc0
[  372.081487] 2335 total pagecache pages
[  372.085291]  ? warn_alloc+0x120/0x120
[  372.093867] 0 pages in swap cache
[  372.097959]  ? warn_alloc+0x120/0x120
[  372.101826] Swap cache stats: add 0, delete 0, find 0/0
[  372.105646]  ? print_usage_bug+0xc0/0xc0
[  372.109069] Free swap  = 0kB
[  372.109080] Total swap = 0kB
[  372.112893]  ? kvm_clock_read+0x18/0x30
[  372.118240] 1965979 pages RAM
[  372.122325]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  372.125322] 0 pages HighMem/MovableOnly
[  372.128351]  ? print_usage_bug+0xc0/0xc0
[  372.132310] 342853 pages reserved
[  372.135431]  ? __lock_acquire+0x62f/0x4c20
[  372.140436] 0 pages cma reserved
[  372.144435]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.148546] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.151941]  ? should_fail+0x22d/0xd01
[  372.156318] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.159530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.165069] syz-fuzzer cpuset=/ mems_allowed=0
[  372.171583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.201017]  ? __lock_acquire+0x62f/0x4c20
[  372.205272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.210395]  ? __lock_acquire+0x62f/0x4c20
[  372.214645]  ? should_fail+0x22d/0xd01
[  372.218542]  ? rcu_irq_exit+0x1a2/0x390
[  372.222537]  ? mark_held_locks+0x130/0x130
[  372.226787]  ? mark_held_locks+0x130/0x130
[  372.231035]  ? mark_held_locks+0xc7/0x130
[  372.235195]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  372.240221]  ? zap_class+0x640/0x640
[  372.243941]  ? print_usage_bug+0xc0/0xc0
[  372.248017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.253572]  ? check_preemption_disabled+0x48/0x280
[  372.258630]  ? __lock_is_held+0xb5/0x140
[  372.262713]  __alloc_pages_nodemask+0xa80/0xde0
[  372.267412]  ? zap_class+0x640/0x640
[  372.271148]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  372.276244]  ? find_held_lock+0x36/0x1c0
[  372.280329]  ? ____cache_alloc_node+0x1c7/0x1e0
[  372.285014]  ? lock_downgrade+0x900/0x900
[  372.289190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.294767]  cache_grow_begin+0xa5/0x8c0
[  372.298841]  ? do_raw_spin_unlock+0xa7/0x330
[  372.303279]  fallback_alloc+0x204/0x2e0
[  372.307282]  ____cache_alloc_node+0x1c7/0x1e0
[  372.311823]  kmem_cache_alloc_node+0xe3/0x730
[  372.316342]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.320604]  __alloc_skb+0x119/0x770
[  372.324333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.329635]  ? netdev_alloc_frag+0x1f0/0x1f0
[  372.334059]  ? lock_downgrade+0x900/0x900
[  372.338227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.343777]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.349245]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.354715]  ? addrconf_rs_timer+0x690/0x690
[  372.359145]  ndisc_alloc_skb+0x144/0x340
[  372.363228]  ndisc_send_rs+0x331/0x6e0
[  372.367131]  addrconf_rs_timer+0x314/0x690
[  372.371379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.375643]  call_timer_fn+0x272/0x920
[  372.379540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.383784]  ? process_timeout+0x40/0x40
[  372.387863]  ? __run_timers+0x7da/0xc70
[  372.391846]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.396348]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.400870]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.405123]  ? lockdep_hardirqs_on+0x296/0x5b0
[  372.409714]  ? trace_hardirqs_on+0xbd/0x310
[  372.414050]  ? kasan_check_read+0x11/0x20
[  372.418206]  ? __run_timers+0x7da/0xc70
[  372.422196]  ? trace_hardirqs_off_caller+0x310/0x310
[  372.427336]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.431585]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.435826]  __run_timers+0x7e5/0xc70
[  372.439646]  ? timer_fixup_init+0x70/0x70
[  372.443806]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.448838]  ? zap_class+0x640/0x640
[  372.452567]  ? enqueue_hrtimer+0x1a5/0x560
[  372.456822]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.462044]  ? find_held_lock+0x36/0x1c0
[  372.466139]  ? zap_class+0x640/0x640
[  372.469879]  ? pvclock_read_flags+0x160/0x160
[  372.474417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.479969]  ? check_preemption_disabled+0x48/0x280
[  372.485012]  ? __lock_is_held+0xb5/0x140
[  372.489106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.494668]  ? check_preemption_disabled+0x48/0x280
[  372.499715]  run_timer_softirq+0x52/0xb0
[  372.503802]  ? rcu_read_lock_sched_held+0x14f/0x180
[  372.508845]  __do_softirq+0x308/0xb7e
[  372.512667]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  372.517182]  ? lock_downgrade+0x900/0x900
[  372.521361]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  372.526508]  ? pvclock_read_flags+0x160/0x160
[  372.531022]  ? lapic_next_event+0x5a/0x90
[  372.535189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.540747]  ? kvm_clock_read+0x18/0x30
[  372.544746]  ? kvm_sched_clock_read+0x9/0x20
[  372.549172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.554731]  ? check_preemption_disabled+0x48/0x280
[  372.559770]  irq_exit+0x17f/0x1c0
[  372.563239]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.568150]  ? smp_reschedule_interrupt+0x109/0x650
[  372.573203]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.579097]  ? interrupt_entry+0xb5/0xc0
[  372.583174]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.588207]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.593247]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.598109]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.603144]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.608187]  ? task_prio+0x50/0x50
[  372.611753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.617328]  ? check_preemption_disabled+0x48/0x280
[  372.622376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.627257]  apic_timer_interrupt+0xf/0x20
[  372.631504]  </IRQ>
[  372.633759] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.638704] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  372.657640] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.665380] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.672693] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  372.679972] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  372.687256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.694545] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  372.701886]  skb_clone+0x1bb/0x500
[  372.705453]  ? finish_task_switch+0x2f4/0x910
[  372.709973]  ? skb_split+0x11e0/0x11e0
[  372.713884]  ? preempt_notifier_register+0x200/0x200
[  372.718999]  ? __switch_to_asm+0x34/0x70
[  372.723076]  ? __switch_to_asm+0x34/0x70
[  372.727152]  ? __switch_to_asm+0x40/0x70
[  372.731224]  ? __switch_to_asm+0x34/0x70
[  372.735295]  ? __switch_to_asm+0x40/0x70
[  372.739394]  ? __switch_to_asm+0x34/0x70
[  372.743476]  ? __switch_to_asm+0x40/0x70
[  372.747551]  ? __switch_to_asm+0x34/0x70
[  372.751624]  ? __switch_to_asm+0x34/0x70
[  372.755692]  ? __switch_to_asm+0x40/0x70
[  372.759764]  ? __switch_to_asm+0x34/0x70
[  372.763843]  bpf_clone_redirect+0xb9/0x490
[  372.768099]  ? __schedule+0x8d7/0x21d0
[  372.771999]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  372.777024]  ? __sched_text_start+0x8/0x8
[  372.781193]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  372.785969]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  372.790563]  ? retint_kernel+0x2d/0x2d
[  372.794467]  ? find_held_lock+0x36/0x1c0
[  372.798549]  ? lock_acquire+0x1ed/0x520
[  372.802548]  ? bpf_test_run+0x3cb/0x780
[  372.806543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.812106]  ? check_preemption_disabled+0x48/0x280
[  372.817153]  ? kasan_check_read+0x11/0x20
[  372.821328]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  372.826627]  ? rcu_softirq_qs+0x20/0x20
[  372.830621]  ? preempt_schedule+0x4d/0x60
[  372.834791]  ? ___preempt_schedule+0x16/0x18
[  372.839229]  ? bpf_test_run+0x25d/0x780
[  372.843231]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.847658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.853237]  ? bpf_test_init.isra.10+0x70/0x100
[  372.857933]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  372.862723]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.867584]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.873145]  ? fput+0x130/0x1a0
[  372.876451]  ? __bpf_prog_get+0x9b/0x290
[  372.880524]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  372.885379]  ? bpf_prog_test_run+0x130/0x1a0
[  372.889815]  ? __x64_sys_bpf+0x3d8/0x520
[  372.893893]  ? bpf_prog_get+0x20/0x20
[  372.897740]  ? do_syscall_64+0x1b9/0x820
[  372.901815]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.907204]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.912150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.917013]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.922046]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.927084]  ? prepare_exit_to_usermode+0x291/0x3b0
[  372.932122]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.936988]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.942384] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  372.942516] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.949345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.949351] Call Trace:
[  372.949359]  <IRQ>
[  372.949384]  dump_stack+0x244/0x39d
[  372.949401]  ? dump_stack_print_info.cold.1+0x20/0x20
[  372.949428]  warn_alloc.cold.116+0xb7/0x1bd
[  372.949446]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.956080] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.965333]  ? lock_downgrade+0x900/0x900
[  372.967892] syz-executor1 cpuset=syz1 mems_allowed=0
[  372.970054]  ? trace_hardirqs_off+0xb8/0x310
[  373.012175]  ? trace_hardirqs_off+0xb8/0x310
[  373.016626]  __alloc_pages_slowpath+0x26e8/0x2e10
[  373.021532]  ? warn_alloc+0x120/0x120
[  373.025365]  ? print_usage_bug+0xc0/0xc0
[  373.029459]  ? warn_alloc+0x120/0x120
[  373.033291]  ? warn_alloc+0x120/0x120
[  373.037129]  ? print_usage_bug+0xc0/0xc0
[  373.041215]  ? kvm_clock_read+0x18/0x30
[  373.045219]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  373.050266]  ? print_usage_bug+0xc0/0xc0
[  373.054385]  ? __lock_acquire+0x62f/0x4c20
[  373.058651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.064210]  ? should_fail+0x22d/0xd01
[  373.068115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.073410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.078529]  ? __lock_acquire+0x62f/0x4c20
[  373.082782]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.087899]  ? __lock_acquire+0x62f/0x4c20
[  373.092154]  ? should_fail+0x22d/0xd01
[  373.096054]  ? rcu_irq_exit+0x1a2/0x390
[  373.100062]  ? mark_held_locks+0x130/0x130
[  373.104326]  ? mark_held_locks+0x130/0x130
[  373.108601]  ? mark_held_locks+0xc7/0x130
[  373.112769]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  373.117810]  ? zap_class+0x640/0x640
[  373.121559]  ? print_usage_bug+0xc0/0xc0
[  373.125643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.131201]  ? check_preemption_disabled+0x48/0x280
[  373.136247]  ? __lock_is_held+0xb5/0x140
[  373.140341]  __alloc_pages_nodemask+0xa80/0xde0
[  373.145029]  ? zap_class+0x640/0x640
[  373.148770]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.153838]  ? find_held_lock+0x36/0x1c0
[  373.157943]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.162631]  ? lock_downgrade+0x900/0x900
[  373.166803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.172365]  cache_grow_begin+0xa5/0x8c0
[  373.176445]  ? do_raw_spin_unlock+0xa7/0x330
[  373.180879]  fallback_alloc+0x204/0x2e0
[  373.184877]  ____cache_alloc_node+0x1c7/0x1e0
[  373.189395]  kmem_cache_alloc_node+0xe3/0x730
[  373.193909]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.198173]  __alloc_skb+0x119/0x770
[  373.201908]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.207209]  ? netdev_alloc_frag+0x1f0/0x1f0
[  373.211651]  ? lock_downgrade+0x900/0x900
[  373.215841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.221405]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.226887]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.232372]  ? addrconf_rs_timer+0x690/0x690
[  373.236828]  ndisc_alloc_skb+0x144/0x340
[  373.240928]  ndisc_send_rs+0x331/0x6e0
[  373.244847]  addrconf_rs_timer+0x314/0x690
[  373.249284]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.253558]  call_timer_fn+0x272/0x920
[  373.257466]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.261726]  ? process_timeout+0x40/0x40
[  373.265815]  ? mark_held_locks+0xc7/0x130
[  373.269977]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.274484]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.278985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.283243]  ? lockdep_hardirqs_on+0x296/0x5b0
[  373.287843]  ? trace_hardirqs_on+0xbd/0x310
[  373.292178]  ? kasan_check_read+0x11/0x20
[  373.296348]  ? __run_timers+0x7da/0xc70
[  373.300342]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.305467]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.309724]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.313977]  __run_timers+0x7e5/0xc70
[  373.317804]  ? timer_fixup_init+0x70/0x70
[  373.321975]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.327010]  ? zap_class+0x640/0x640
[  373.331242]  ? print_usage_bug+0xc0/0xc0
[  373.335329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.340545]  ? find_held_lock+0x36/0x1c0
[  373.344631]  ? zap_class+0x640/0x640
[  373.348372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.353935]  ? check_preemption_disabled+0x48/0x280
[  373.358993]  ? __lock_is_held+0xb5/0x140
[  373.363072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.368629]  ? check_preemption_disabled+0x48/0x280
[  373.373664]  run_timer_softirq+0x52/0xb0
[  373.377759]  ? rcu_read_lock_sched_held+0x14f/0x180
[  373.382797]  __do_softirq+0x308/0xb7e
[  373.386619]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  373.391129]  ? lock_downgrade+0x900/0x900
[  373.395298]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  373.400438]  ? pvclock_read_flags+0x160/0x160
[  373.404954]  ? lapic_next_event+0x5a/0x90
[  373.409133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.414693]  ? kvm_clock_read+0x18/0x30
[  373.418682]  ? kvm_sched_clock_read+0x9/0x20
[  373.423108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.428668]  ? check_preemption_disabled+0x48/0x280
[  373.433715]  irq_exit+0x17f/0x1c0
[  373.437189]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.442049]  ? smp_reschedule_interrupt+0x109/0x650
[  373.447087]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.452997]  ? interrupt_entry+0xb5/0xc0
[  373.457083]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.462117]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.467169]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.472033]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.477055]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.482074]  ? task_prio+0x50/0x50
[  373.485629]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.491196]  ? check_preemption_disabled+0x48/0x280
[  373.496243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.501118]  apic_timer_interrupt+0xf/0x20
[  373.505361]  </IRQ>
[  373.507612] RIP: 0010:console_unlock+0x102f/0x1190
[  373.512559] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  373.531501] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  373.539261] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  373.546562] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  373.553855] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  373.561162] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  373.568464] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  373.575785]  ? netconsole_netdev_event+0x280/0x280
[  373.580760]  ? console_unlock+0x1026/0x1190
[  373.585116]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  373.589813]  ? vprintk_emit+0x846/0x990
[  373.593805]  ? lock_release+0xa00/0xa00
[  373.597793]  ? trace_hardirqs_on+0x60/0x310
[  373.602127]  ? vprintk_default+0x28/0x30
[  373.606205]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.611337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.616911]  vprintk_emit+0x391/0x990
[  373.620738]  ? wake_up_klogd+0x180/0x180
[  373.624827]  ? find_held_lock+0x1/0x1c0
[  373.628826]  ? mark_held_locks+0xc7/0x130
[  373.632997]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.637508]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.642025]  vprintk_default+0x28/0x30
[  373.645930]  vprintk_func+0x7e/0x181
[  373.649660]  printk+0xa7/0xcf
[  373.652782]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  373.657554]  ? _raw_spin_unlock_irq+0x60/0x80
[  373.662078]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  373.667388]  dump_header+0x7cc/0xf72
[  373.671128]  ? pagefault_out_of_memory+0x197/0x197
[  373.676077]  ? __lock_acquire+0x62f/0x4c20
[  373.680331]  ? percpu_ref_get_many+0x240/0x240
[  373.684936]  ? print_usage_bug+0xc0/0xc0
[  373.689019]  ? zap_class+0x640/0x640
[  373.692761]  ? print_usage_bug+0xc0/0xc0
[  373.696844]  ? zap_class+0x640/0x640
[  373.700572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.706135]  ? find_held_lock+0x36/0x1c0
[  373.710226]  ? mark_held_locks+0xc7/0x130
[  373.714388]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.719505]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  373.724621]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  373.729219]  ? trace_hardirqs_on+0xbd/0x310
[  373.733550]  ? kasan_check_read+0x11/0x20
[  373.737711]  ? ___ratelimit+0x3b4/0x672
[  373.741695]  ? trace_hardirqs_off_caller+0x310/0x310
[  373.746809]  ? trace_hardirqs_on+0x310/0x310
[  373.751232]  ? lock_downgrade+0x900/0x900
[  373.755395]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  373.760514]  ? ___ratelimit+0x3b9/0x672
[  373.764500]  ? idr_get_free+0xf70/0xf70
[  373.768491]  ? find_held_lock+0x36/0x1c0
[  373.772582]  oom_kill_process.cold.27+0x10/0x903
[  373.777357]  ? zap_class+0x640/0x640
[  373.781072]  ? check_preemption_disabled+0x48/0x280
[  373.786126]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.791080]  ? kasan_check_read+0x11/0x20
[  373.795239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.800534]  ? oom_evaluate_task+0x540/0x540
[  373.804963]  ? find_held_lock+0x36/0x1c0
[  373.809044]  ? out_of_memory+0x974/0x1430
[  373.813211]  ? lock_downgrade+0x900/0x900
[  373.817371]  ? check_preemption_disabled+0x48/0x280
[  373.822426]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  373.827369]  ? kasan_check_read+0x11/0x20
[  373.831534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  373.836827]  ? rcu_softirq_qs+0x20/0x20
[  373.840825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.846377]  ? oom_evaluate_task+0x302/0x540
[  373.850800]  out_of_memory+0xa84/0x1430
[  373.854795]  ? oom_killer_disable+0x3a0/0x3a0
[  373.859353]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  373.864309]  ? __ww_mutex_check_waiters+0x160/0x160
[  373.869371]  __alloc_pages_slowpath+0x2354/0x2e10
[  373.874255]  ? warn_alloc+0x120/0x120
[  373.878071]  ? mark_held_locks+0x130/0x130
[  373.882346]  ? find_get_entry+0xaae/0x1120
[  373.886609]  ? filemap_map_pages+0x1a20/0x1a20
[  373.891215]  ? zap_class+0x640/0x640
[  373.894952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.900512]  ? check_preemption_disabled+0x48/0x280
[  373.905554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.911120]  ? should_fail+0x22d/0xd01
[  373.915028]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  373.920162]  ? zap_class+0x640/0x640
[  373.923919]  ? __lock_is_held+0xb5/0x140
[  373.928003]  ? mark_held_locks+0x130/0x130
[  373.932261]  ? lock_release+0xa00/0xa00
[  373.936260]  ? perf_trace_sched_process_exec+0x860/0x860
[  373.941729]  ? xa_load+0x2ba/0x460
[  373.945285]  ? lock_downgrade+0x900/0x900
[  373.949466]  ? __might_sleep+0x95/0x190
[  373.953462]  __alloc_pages_nodemask+0xa80/0xde0
[  373.958162]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  373.963198]  ? __page_cache_alloc+0x191/0x5c0
[  373.967713]  ? xa_load+0x2e1/0x460
[  373.971269]  ? xa_clear_mark+0x40/0x40
[  373.975170]  ? zap_class+0x640/0x640
[  373.978888]  ? zap_class+0x640/0x640
[  373.982623]  ? zap_class+0x640/0x640
[  373.986367]  ? zap_class+0x640/0x640
[  373.990093]  ? __do_page_cache_readahead+0x663/0x810
[  373.995222]  ? find_held_lock+0x36/0x1c0
[  373.999316]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  374.004895]  alloc_pages_current+0x173/0x350
[  374.009366]  __page_cache_alloc+0x38c/0x5c0
[  374.013697]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.018646]  ? kasan_check_read+0x11/0x20
[  374.022804]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.028105]  ? generic_perform_write+0x6a0/0x6a0
[  374.032886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.038455]  ? check_preemption_disabled+0x48/0x280
[  374.043509]  filemap_fault+0x1595/0x25f0
[  374.047609]  ? __lock_page_or_retry+0xa00/0xa00
[  374.052300]  ? mark_held_locks+0x130/0x130
[  374.056578]  ? filemap_map_pages+0xd6b/0x1a20
[  374.061102]  ? lock_downgrade+0x900/0x900
[  374.065273]  ? check_preemption_disabled+0x48/0x280
[  374.070335]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.075275]  ? kasan_check_read+0x11/0x20
[  374.079453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.084745]  ? rcu_softirq_qs+0x20/0x20
[  374.088757]  ? filemap_map_pages+0xd92/0x1a20
[  374.093276]  ? queue_work_on+0x12c/0x1e0
[  374.097379]  ? find_get_entries_tag+0x1400/0x1400
[  374.102254]  ? debug_object_destroy+0x2b0/0x2b0
[  374.106960]  ? lock_pi_update_atomic+0x150/0x150
[  374.111740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.117332]  ? lock_acquire+0x1ed/0x520
[  374.121339]  ? ext4_filemap_fault+0x7a/0xad
[  374.125694]  ? lock_release+0xa00/0xa00
[  374.129697]  ? perf_trace_sched_process_exec+0x860/0x860
[  374.135173]  ? print_usage_bug+0xc0/0xc0
[  374.139259]  ? print_usage_bug+0xc0/0xc0
[  374.143369]  ? down_read+0x8d/0x120
[  374.147018]  ? ext4_filemap_fault+0x7a/0xad
[  374.151370]  ? __down_interruptible+0x700/0x700
[  374.156077]  ext4_filemap_fault+0x82/0xad
[  374.160259]  __do_fault+0x100/0x6b0
[  374.163908]  ? find_held_lock+0x36/0x1c0
[  374.167993]  ? pmd_devmap_trans_unstable+0x220/0x220
[  374.173118]  ? mark_held_locks+0x130/0x130
[  374.177360]  ? mark_held_locks+0x130/0x130
[  374.181603]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.186114]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.190630]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  374.195234]  ? kasan_check_read+0x11/0x20
[  374.199599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.205162]  __handle_mm_fault+0x3ea0/0x5be0
[  374.209603]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  374.214483]  ? finish_task_switch+0x1f4/0x910
[  374.218999]  ? finish_task_switch+0x1b4/0x910
[  374.223522]  ? __switch_to_asm+0x34/0x70
[  374.227609]  ? preempt_notifier_register+0x200/0x200
[  374.232730]  ? __switch_to_asm+0x34/0x70
[  374.236814]  ? __switch_to_asm+0x34/0x70
[  374.240916]  ? zap_class+0x640/0x640
[  374.244646]  ? zap_class+0x640/0x640
[  374.248378]  ? __x64_sys_futex+0x53e/0x6a0
[  374.252640]  ? find_held_lock+0x36/0x1c0
[  374.256725]  ? handle_mm_fault+0x42a/0xc70
[  374.260982]  ? lock_downgrade+0x900/0x900
[  374.265144]  ? check_preemption_disabled+0x48/0x280
[  374.270181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  374.275137]  ? kasan_check_read+0x11/0x20
[  374.279313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.284605]  ? rcu_softirq_qs+0x20/0x20
[  374.288596]  ? trace_hardirqs_off_caller+0x310/0x310
[  374.293721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.299292]  ? check_preemption_disabled+0x48/0x280
[  374.304358]  handle_mm_fault+0x54f/0xc70
[  374.308449]  ? __handle_mm_fault+0x5be0/0x5be0
[  374.313073]  ? find_vma+0x34/0x190
[  374.316988]  __do_page_fault+0x5e8/0xe60
[  374.321067]  ? trace_hardirqs_off+0xb8/0x310
[  374.325503]  do_page_fault+0xf2/0x7e0
[  374.329330]  ? vmalloc_sync_all+0x30/0x30
[  374.333499]  ? error_entry+0x70/0xd0
[  374.337226]  ? trace_hardirqs_off_caller+0xbb/0x310
[  374.342269]  ? trace_hardirqs_on_caller+0xc0/0x310
[  374.347229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.352184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.357068]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.362106]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.367594]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.372651]  ? page_fault+0x8/0x30
[  374.376225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.381082]  ? page_fault+0x8/0x30
[  374.384653]  page_fault+0x1e/0x30
[  374.388116] RIP: 0033:0x45ddf3
[  374.391340] Code: Bad RIP value.
[  374.394713] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  374.400087] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  374.407377] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  374.414669] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  374.421971] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  374.429262] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  374.436595] warn_alloc_show_mem: 1 callbacks suppressed
[  374.436608] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  374.436610] Mem-Info:
[  374.436643] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  374.436643]  active_file:15 inactive_file:15 isolated_file:0
[  374.436643]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.436643]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  374.436643]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  374.436643]  free:13750 free_pcp:296 free_cma:0
[  374.442026] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.449328] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.451730] Call Trace:
[  374.484792] 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
[  374.494165]  <IRQ>
[  374.521675] lowmem_reserve[]: 0 2818 6321 6321
[  374.524290]  dump_stack+0x244/0x39d
[  374.550404] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  374.552580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  374.557146] lowmem_reserve[]: 0 0 3503 3503
[  374.560815]  warn_alloc.cold.116+0xb7/0x1bd
[  374.588313] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  374.593541]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.597843] lowmem_reserve[]: 0 0 0 0
[  374.602177]  ? lock_downgrade+0x900/0x900
[  374.631150] 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
[  374.636014]  ? trace_hardirqs_off+0xb8/0x310
[  374.639784] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  374.643940]  ? trace_hardirqs_off+0xb8/0x310
[  374.657449] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  374.661878]  __alloc_pages_slowpath+0x26e8/0x2e10
[  374.677403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.681863]  ? warn_alloc+0x120/0x120
[  374.695963] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.700825]  ? print_usage_bug+0xc0/0xc0
[  374.709644] 2335 total pagecache pages
[  374.713495]  ? warn_alloc+0x120/0x120
[  374.722068] 0 pages in swap cache
[  374.726144]  ? warn_alloc+0x120/0x120
[  374.730010] Swap cache stats: add 0, delete 0, find 0/0
[  374.733829]  ? print_usage_bug+0xc0/0xc0
[  374.737251] Free swap  = 0kB
[  374.741062]  ? kvm_clock_read+0x18/0x30
[  374.746399] Total swap = 0kB
[  374.746414] 1965979 pages RAM
[  374.750491]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  374.753475] 0 pages HighMem/MovableOnly
[  374.753485] 342853 pages reserved
[  374.757470]  ? print_usage_bug+0xc0/0xc0
[  374.760470] 0 pages cma reserved
[  374.763582]  ? __lock_acquire+0x62f/0x4c20
[  374.768671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.772593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.776147] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.780069]  ? should_fail+0x22d/0xd01
[  374.783412] syz-fuzzer cpuset=/ mems_allowed=0
[  374.787644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.787666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.828801]  ? __lock_acquire+0x62f/0x4c20
[  374.833072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.838198]  ? __lock_acquire+0x62f/0x4c20
[  374.842457]  ? should_fail+0x22d/0xd01
[  374.846388]  ? rcu_irq_exit+0x1a2/0x390
[  374.850398]  ? mark_held_locks+0x130/0x130
[  374.854662]  ? mark_held_locks+0x130/0x130
[  374.858920]  ? mark_held_locks+0xc7/0x130
[  374.863086]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  374.868171]  ? zap_class+0x640/0x640
[  374.871908]  ? print_usage_bug+0xc0/0xc0
[  374.875982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.881531]  ? check_preemption_disabled+0x48/0x280
[  374.886575]  ? __lock_is_held+0xb5/0x140
[  374.890659]  __alloc_pages_nodemask+0xa80/0xde0
[  374.895358]  ? zap_class+0x640/0x640
[  374.899091]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  374.904139]  ? find_held_lock+0x36/0x1c0
[  374.908221]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.912919]  ? lock_downgrade+0x900/0x900
[  374.917094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.922654]  cache_grow_begin+0xa5/0x8c0
[  374.926725]  ? do_raw_spin_unlock+0xa7/0x330
[  374.931153]  fallback_alloc+0x204/0x2e0
[  374.935162]  ____cache_alloc_node+0x1c7/0x1e0
[  374.939682]  kmem_cache_alloc_node+0xe3/0x730
[  374.944195]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.948458]  __alloc_skb+0x119/0x770
[  374.952194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  374.957499]  ? netdev_alloc_frag+0x1f0/0x1f0
[  374.961951]  ? lock_downgrade+0x900/0x900
[  374.966131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.971702]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.977182]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.982645]  ? addrconf_rs_timer+0x690/0x690
[  374.987096]  ndisc_alloc_skb+0x144/0x340
[  374.991186]  ndisc_send_rs+0x331/0x6e0
[  374.995105]  addrconf_rs_timer+0x314/0x690
[  374.999373]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.003644]  call_timer_fn+0x272/0x920
[  375.007558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.011819]  ? process_timeout+0x40/0x40
[  375.015912]  ? __run_timers+0x7da/0xc70
[  375.019925]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.024445]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.028964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.033224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.037828]  ? trace_hardirqs_on+0xbd/0x310
[  375.042166]  ? kasan_check_read+0x11/0x20
[  375.046342]  ? __run_timers+0x7da/0xc70
[  375.050341]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.055470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.059728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.063986]  __run_timers+0x7e5/0xc70
[  375.067818]  ? timer_fixup_init+0x70/0x70
[  375.071979]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.077017]  ? zap_class+0x640/0x640
[  375.080769]  ? enqueue_hrtimer+0x1a5/0x560
[  375.085012]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.090219]  ? find_held_lock+0x36/0x1c0
[  375.094294]  ? zap_class+0x640/0x640
[  375.098040]  ? pvclock_read_flags+0x160/0x160
[  375.102550]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.108102]  ? check_preemption_disabled+0x48/0x280
[  375.113142]  ? __lock_is_held+0xb5/0x140
[  375.117216]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.122770]  ? check_preemption_disabled+0x48/0x280
[  375.127798]  run_timer_softirq+0x52/0xb0
[  375.131870]  ? rcu_read_lock_sched_held+0x14f/0x180
[  375.136899]  __do_softirq+0x308/0xb7e
[  375.140716]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  375.145221]  ? lock_downgrade+0x900/0x900
[  375.149395]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  375.154524]  ? pvclock_read_flags+0x160/0x160
[  375.159028]  ? lapic_next_event+0x5a/0x90
[  375.163186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.168738]  ? kvm_clock_read+0x18/0x30
[  375.172718]  ? kvm_sched_clock_read+0x9/0x20
[  375.177133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.182677]  ? check_preemption_disabled+0x48/0x280
[  375.187711]  irq_exit+0x17f/0x1c0
[  375.191176]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.196024]  ? smp_reschedule_interrupt+0x109/0x650
[  375.201054]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.206948]  ? interrupt_entry+0xb5/0xc0
[  375.211025]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.216048]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.221076]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.225936]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.230966]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.235993]  ? task_prio+0x50/0x50
[  375.239543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.245091]  ? check_preemption_disabled+0x48/0x280
[  375.250121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.254980]  apic_timer_interrupt+0xf/0x20
[  375.259212]  </IRQ>
[  375.261470] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  375.266415] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  375.285355] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.293096] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.300386] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  375.307673] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  375.314954] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  375.322240] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  375.329696]  skb_clone+0x1bb/0x500
[  375.333235]  ? finish_task_switch+0x2f4/0x910
[  375.337740]  ? skb_split+0x11e0/0x11e0
[  375.341638]  ? preempt_notifier_register+0x200/0x200
[  375.346747]  ? __switch_to_asm+0x34/0x70
[  375.350814]  ? __switch_to_asm+0x34/0x70
[  375.354875]  ? __switch_to_asm+0x40/0x70
[  375.358940]  ? __switch_to_asm+0x34/0x70
[  375.363001]  ? __switch_to_asm+0x40/0x70
[  375.367070]  ? __switch_to_asm+0x34/0x70
[  375.371134]  ? __switch_to_asm+0x40/0x70
[  375.375206]  ? __switch_to_asm+0x34/0x70
[  375.379283]  ? __switch_to_asm+0x34/0x70
[  375.383356]  ? __switch_to_asm+0x40/0x70
[  375.387425]  ? __switch_to_asm+0x34/0x70
[  375.391510]  bpf_clone_redirect+0xb9/0x490
[  375.395759]  ? __schedule+0x8d7/0x21d0
[  375.399666]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  375.404706]  ? __sched_text_start+0x8/0x8
[  375.408874]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  375.413649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  375.418247]  ? retint_kernel+0x2d/0x2d
[  375.422153]  ? find_held_lock+0x36/0x1c0
[  375.426248]  ? lock_acquire+0x1ed/0x520
[  375.430248]  ? bpf_test_run+0x3cb/0x780
[  375.434239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.439800]  ? check_preemption_disabled+0x48/0x280
[  375.444854]  ? kasan_check_read+0x11/0x20
[  375.449018]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.454318]  ? rcu_softirq_qs+0x20/0x20
[  375.458322]  ? preempt_schedule+0x4d/0x60
[  375.462502]  ? ___preempt_schedule+0x16/0x18
[  375.466940]  ? bpf_test_run+0x25d/0x780
[  375.470960]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.475390]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.480954]  ? bpf_test_init.isra.10+0x70/0x100
[  375.485637]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  375.490422]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.495276]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.500836]  ? fput+0x130/0x1a0
[  375.504126]  ? __bpf_prog_get+0x9b/0x290
[  375.508205]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  375.513061]  ? bpf_prog_test_run+0x130/0x1a0
[  375.517489]  ? __x64_sys_bpf+0x3d8/0x520
[  375.521576]  ? bpf_prog_get+0x20/0x20
[  375.525417]  ? do_syscall_64+0x1b9/0x820
[  375.529495]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.534891]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.539848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.544708]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.549747]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.554785]  ? prepare_exit_to_usermode+0x291/0x3b0
[  375.559828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.564699]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.570098] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  375.570195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.577054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.577060] Call Trace:
[  375.577067]  <IRQ>
[  375.577088]  dump_stack+0x244/0x39d
[  375.577108]  ? dump_stack_print_info.cold.1+0x20/0x20
[  375.583662] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.592974]  warn_alloc.cold.116+0xb7/0x1bd
[  375.595541] syz-executor1 cpuset=syz1 mems_allowed=0
[  375.597709]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.631315]  ? lock_downgrade+0x900/0x900
[  375.635502]  ? trace_hardirqs_off+0xb8/0x310
[  375.639972]  ? trace_hardirqs_off+0xb8/0x310
[  375.644423]  __alloc_pages_slowpath+0x26e8/0x2e10
[  375.649331]  ? warn_alloc+0x120/0x120
[  375.653156]  ? print_usage_bug+0xc0/0xc0
[  375.657243]  ? warn_alloc+0x120/0x120
[  375.661067]  ? warn_alloc+0x120/0x120
[  375.664886]  ? print_usage_bug+0xc0/0xc0
[  375.668970]  ? kvm_clock_read+0x18/0x30
[  375.672967]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  375.677986]  ? print_usage_bug+0xc0/0xc0
[  375.682072]  ? __lock_acquire+0x62f/0x4c20
[  375.686341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.691901]  ? should_fail+0x22d/0xd01
[  375.695826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.701130]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.706254]  ? __lock_acquire+0x62f/0x4c20
[  375.710516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.715639]  ? __lock_acquire+0x62f/0x4c20
[  375.719890]  ? should_fail+0x22d/0xd01
[  375.723793]  ? rcu_irq_exit+0x1a2/0x390
[  375.727797]  ? mark_held_locks+0x130/0x130
[  375.732052]  ? mark_held_locks+0x130/0x130
[  375.736325]  ? mark_held_locks+0xc7/0x130
[  375.740496]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  375.745534]  ? zap_class+0x640/0x640
[  375.749264]  ? print_usage_bug+0xc0/0xc0
[  375.753357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.758929]  ? check_preemption_disabled+0x48/0x280
[  375.763988]  ? __lock_is_held+0xb5/0x140
[  375.768077]  __alloc_pages_nodemask+0xa80/0xde0
[  375.772770]  ? zap_class+0x640/0x640
[  375.776504]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  375.781555]  ? find_held_lock+0x36/0x1c0
[  375.785657]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.790356]  ? lock_downgrade+0x900/0x900
[  375.794531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.800106]  cache_grow_begin+0xa5/0x8c0
[  375.804190]  ? do_raw_spin_unlock+0xa7/0x330
[  375.808632]  fallback_alloc+0x204/0x2e0
[  375.812634]  ____cache_alloc_node+0x1c7/0x1e0
[  375.817154]  kmem_cache_alloc_node+0xe3/0x730
[  375.821672]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.825941]  __alloc_skb+0x119/0x770
[  375.829671]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  375.835010]  ? netdev_alloc_frag+0x1f0/0x1f0
[  375.839459]  ? lock_downgrade+0x900/0x900
[  375.843644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.849213]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.854690]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.860176]  ? addrconf_rs_timer+0x690/0x690
[  375.864619]  ndisc_alloc_skb+0x144/0x340
[  375.868707]  ndisc_send_rs+0x331/0x6e0
[  375.872644]  addrconf_rs_timer+0x314/0x690
[  375.876901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.881151]  call_timer_fn+0x272/0x920
[  375.885048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.889331]  ? process_timeout+0x40/0x40
[  375.893415]  ? mark_held_locks+0xc7/0x130
[  375.897582]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.902088]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.906596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.910841]  ? lockdep_hardirqs_on+0x296/0x5b0
[  375.915447]  ? trace_hardirqs_on+0xbd/0x310
[  375.919793]  ? kasan_check_read+0x11/0x20
[  375.923951]  ? __run_timers+0x7da/0xc70
[  375.927937]  ? trace_hardirqs_off_caller+0x310/0x310
[  375.933057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.937312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.941560]  __run_timers+0x7e5/0xc70
[  375.945388]  ? timer_fixup_init+0x70/0x70
[  375.949548]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.954577]  ? zap_class+0x640/0x640
[  375.958318]  ? print_usage_bug+0xc0/0xc0
[  375.962391]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.967615]  ? find_held_lock+0x36/0x1c0
[  375.971684]  ? zap_class+0x640/0x640
[  375.975412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.980959]  ? check_preemption_disabled+0x48/0x280
[  375.986003]  ? __lock_is_held+0xb5/0x140
[  375.990074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.995626]  ? check_preemption_disabled+0x48/0x280
[  376.000660]  run_timer_softirq+0x52/0xb0
[  376.004732]  ? rcu_read_lock_sched_held+0x14f/0x180
[  376.009758]  __do_softirq+0x308/0xb7e
[  376.013583]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  376.018085]  ? lock_downgrade+0x900/0x900
[  376.022250]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  376.027373]  ? pvclock_read_flags+0x160/0x160
[  376.031891]  ? lapic_next_event+0x5a/0x90
[  376.036078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.041651]  ? kvm_clock_read+0x18/0x30
[  376.045653]  ? kvm_sched_clock_read+0x9/0x20
[  376.050088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.055648]  ? check_preemption_disabled+0x48/0x280
[  376.060694]  irq_exit+0x17f/0x1c0
[  376.064164]  smp_apic_timer_interrupt+0x1cb/0x760
[  376.069020]  ? smp_reschedule_interrupt+0x109/0x650
[  376.074073]  ? smp_call_function_single_interrupt+0x650/0x650
[  376.079961]  ? interrupt_entry+0xb5/0xc0
[  376.084033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.089058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.094093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.098959]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.104013]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.109053]  ? task_prio+0x50/0x50
[  376.112610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.118167]  ? check_preemption_disabled+0x48/0x280
[  376.123209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.128077]  apic_timer_interrupt+0xf/0x20
[  376.132324]  </IRQ>
[  376.134580] RIP: 0010:console_unlock+0x102f/0x1190
[  376.139522] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  376.158448] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  376.166189] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  376.173482] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  376.180762] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  376.188044] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  376.195344] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  376.203006]  ? netconsole_netdev_event+0x280/0x280
[  376.207971]  ? console_unlock+0x1026/0x1190
[  376.212341]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  376.217031]  ? vprintk_emit+0x846/0x990
[  376.221028]  ? lock_release+0xa00/0xa00
[  376.225022]  ? trace_hardirqs_on+0x60/0x310
[  376.229363]  ? vprintk_default+0x28/0x30
[  376.233439]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.238564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.244123]  vprintk_emit+0x391/0x990
[  376.247944]  ? wake_up_klogd+0x180/0x180
[  376.252024]  ? find_held_lock+0x1/0x1c0
[  376.256027]  ? mark_held_locks+0xc7/0x130
[  376.260205]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.264713]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.269251]  vprintk_default+0x28/0x30
[  376.273155]  vprintk_func+0x7e/0x181
[  376.276889]  printk+0xa7/0xcf
[  376.280000]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  376.284769]  ? _raw_spin_unlock_irq+0x60/0x80
[  376.289287]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  376.294604]  dump_header+0x7cc/0xf72
[  376.298382]  ? pagefault_out_of_memory+0x197/0x197
[  376.303346]  ? __lock_acquire+0x62f/0x4c20
[  376.307598]  ? percpu_ref_get_many+0x240/0x240
[  376.312199]  ? print_usage_bug+0xc0/0xc0
[  376.316279]  ? zap_class+0x640/0x640
[  376.320017]  ? print_usage_bug+0xc0/0xc0
[  376.324090]  ? zap_class+0x640/0x640
[  376.327818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.333375]  ? find_held_lock+0x36/0x1c0
[  376.337458]  ? mark_held_locks+0xc7/0x130
[  376.341626]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.346743]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  376.351863]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.356461]  ? trace_hardirqs_on+0xbd/0x310
[  376.360797]  ? kasan_check_read+0x11/0x20
[  376.364966]  ? ___ratelimit+0x3b4/0x672
[  376.368974]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.374093]  ? trace_hardirqs_on+0x310/0x310
[  376.378534]  ? lock_downgrade+0x900/0x900
[  376.382691]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  376.387806]  ? ___ratelimit+0x3b9/0x672
[  376.391794]  ? idr_get_free+0xf70/0xf70
[  376.395777]  ? find_held_lock+0x36/0x1c0
[  376.399875]  oom_kill_process.cold.27+0x10/0x903
[  376.404648]  ? zap_class+0x640/0x640
[  376.408373]  ? check_preemption_disabled+0x48/0x280
[  376.413412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.418364]  ? kasan_check_read+0x11/0x20
[  376.422552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.427865]  ? oom_evaluate_task+0x540/0x540
[  376.432310]  ? find_held_lock+0x36/0x1c0
[  376.436404]  ? out_of_memory+0x974/0x1430
[  376.440595]  ? lock_downgrade+0x900/0x900
[  376.444766]  ? check_preemption_disabled+0x48/0x280
[  376.449809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.454766]  ? kasan_check_read+0x11/0x20
[  376.458937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.464232]  ? rcu_softirq_qs+0x20/0x20
[  376.468225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.473776]  ? oom_evaluate_task+0x302/0x540
[  376.478203]  out_of_memory+0xa84/0x1430
[  376.482212]  ? oom_killer_disable+0x3a0/0x3a0
[  376.486731]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  376.491700]  ? __ww_mutex_check_waiters+0x160/0x160
[  376.496756]  __alloc_pages_slowpath+0x2354/0x2e10
[  376.501655]  ? warn_alloc+0x120/0x120
[  376.505469]  ? mark_held_locks+0x130/0x130
[  376.509731]  ? find_get_entry+0xaae/0x1120
[  376.513996]  ? filemap_map_pages+0x1a20/0x1a20
[  376.518599]  ? zap_class+0x640/0x640
[  376.522354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.527920]  ? check_preemption_disabled+0x48/0x280
[  376.532970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.538533]  ? should_fail+0x22d/0xd01
[  376.542455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.547584]  ? zap_class+0x640/0x640
[  376.551356]  ? __lock_is_held+0xb5/0x140
[  376.555443]  ? mark_held_locks+0x130/0x130
[  376.559697]  ? lock_release+0xa00/0xa00
[  376.563687]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.569160]  ? xa_load+0x2ba/0x460
[  376.572718]  ? lock_downgrade+0x900/0x900
[  376.576883]  ? __might_sleep+0x95/0x190
[  376.580918]  __alloc_pages_nodemask+0xa80/0xde0
[  376.585623]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  376.590661]  ? __page_cache_alloc+0x191/0x5c0
[  376.595173]  ? xa_load+0x2e1/0x460
[  376.598736]  ? xa_clear_mark+0x40/0x40
[  376.602640]  ? zap_class+0x640/0x640
[  376.606375]  ? zap_class+0x640/0x640
[  376.610121]  ? zap_class+0x640/0x640
[  376.613855]  ? zap_class+0x640/0x640
[  376.617582]  ? __do_page_cache_readahead+0x663/0x810
[  376.622709]  ? find_held_lock+0x36/0x1c0
[  376.626793]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  376.632372]  alloc_pages_current+0x173/0x350
[  376.636832]  __page_cache_alloc+0x38c/0x5c0
[  376.641179]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.646131]  ? kasan_check_read+0x11/0x20
[  376.650313]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.655643]  ? generic_perform_write+0x6a0/0x6a0
[  376.660451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.666026]  ? check_preemption_disabled+0x48/0x280
[  376.671085]  filemap_fault+0x1595/0x25f0
[  376.675202]  ? __lock_page_or_retry+0xa00/0xa00
[  376.679920]  ? mark_held_locks+0x130/0x130
[  376.684180]  ? filemap_map_pages+0xd6b/0x1a20
[  376.688700]  ? lock_downgrade+0x900/0x900
[  376.692875]  ? check_preemption_disabled+0x48/0x280
[  376.697937]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.702894]  ? kasan_check_read+0x11/0x20
[  376.707068]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.712375]  ? rcu_softirq_qs+0x20/0x20
[  376.716394]  ? filemap_map_pages+0xd92/0x1a20
[  376.720921]  ? queue_work_on+0x12c/0x1e0
[  376.725021]  ? find_get_entries_tag+0x1400/0x1400
[  376.729887]  ? debug_object_destroy+0x2b0/0x2b0
[  376.734584]  ? lock_pi_update_atomic+0x150/0x150
[  376.739365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.744944]  ? lock_acquire+0x1ed/0x520
[  376.748938]  ? ext4_filemap_fault+0x7a/0xad
[  376.753286]  ? lock_release+0xa00/0xa00
[  376.757283]  ? perf_trace_sched_process_exec+0x860/0x860
[  376.762763]  ? print_usage_bug+0xc0/0xc0
[  376.766853]  ? print_usage_bug+0xc0/0xc0
[  376.770949]  ? down_read+0x8d/0x120
[  376.774601]  ? ext4_filemap_fault+0x7a/0xad
[  376.778937]  ? __down_interruptible+0x700/0x700
[  376.783629]  ext4_filemap_fault+0x82/0xad
[  376.787804]  __do_fault+0x100/0x6b0
[  376.791443]  ? find_held_lock+0x36/0x1c0
[  376.795539]  ? pmd_devmap_trans_unstable+0x220/0x220
[  376.800662]  ? mark_held_locks+0x130/0x130
[  376.804920]  ? mark_held_locks+0x130/0x130
[  376.809167]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.813670]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.818184]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  376.822784]  ? kasan_check_read+0x11/0x20
[  376.826953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.832511]  __handle_mm_fault+0x3ea0/0x5be0
[  376.836952]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  376.841811]  ? finish_task_switch+0x1f4/0x910
[  376.846327]  ? finish_task_switch+0x1b4/0x910
[  376.850840]  ? __switch_to_asm+0x34/0x70
[  376.854922]  ? preempt_notifier_register+0x200/0x200
[  376.860038]  ? __switch_to_asm+0x34/0x70
[  376.864111]  ? __switch_to_asm+0x34/0x70
[  376.868204]  ? zap_class+0x640/0x640
[  376.871935]  ? zap_class+0x640/0x640
[  376.875657]  ? __x64_sys_futex+0x53e/0x6a0
[  376.879916]  ? find_held_lock+0x36/0x1c0
[  376.883995]  ? handle_mm_fault+0x42a/0xc70
[  376.888243]  ? lock_downgrade+0x900/0x900
[  376.892404]  ? check_preemption_disabled+0x48/0x280
[  376.897444]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  376.902389]  ? kasan_check_read+0x11/0x20
[  376.906553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  376.911878]  ? rcu_softirq_qs+0x20/0x20
[  376.915868]  ? trace_hardirqs_off_caller+0x310/0x310
[  376.920993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.926552]  ? check_preemption_disabled+0x48/0x280
[  376.931593]  handle_mm_fault+0x54f/0xc70
[  376.935683]  ? __handle_mm_fault+0x5be0/0x5be0
[  376.940285]  ? find_vma+0x34/0x190
[  376.943855]  __do_page_fault+0x5e8/0xe60
[  376.947934]  ? trace_hardirqs_off+0xb8/0x310
[  376.952390]  do_page_fault+0xf2/0x7e0
[  376.956225]  ? vmalloc_sync_all+0x30/0x30
[  376.960391]  ? error_entry+0x70/0xd0
[  376.964122]  ? trace_hardirqs_off_caller+0xbb/0x310
[  376.969157]  ? trace_hardirqs_on_caller+0xc0/0x310
[  376.974104]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.979042]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.983911]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.988949]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.994430]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.999473]  ? page_fault+0x8/0x30
[  377.003053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.007924]  ? page_fault+0x8/0x30
[  377.011482]  page_fault+0x1e/0x30
[  377.014947] RIP: 0033:0x45ddf3
[  377.018161] Code: Bad RIP value.
[  377.021534] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  377.026903] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  377.034193] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  377.041493] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  377.048779] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  377.056069] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  377.063383] warn_alloc_show_mem: 1 callbacks suppressed
[  377.063396] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  377.063398] Mem-Info:
[  377.063435] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  377.063435]  active_file:15 inactive_file:15 isolated_file:0
[  377.063435]  unevictable:0 dirty:0 writeback:0 unstable:0
[  377.063435]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  377.063435]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  377.063435]  free:13750 free_pcp:296 free_cma:0
[  377.068794] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.076076] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  377.078479] Call Trace:
[  377.111540] 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
[  377.120917]  <IRQ>
[  377.148410] lowmem_reserve[]: 0 2818 6321 6321
[  377.151066]  dump_stack+0x244/0x39d
[  377.177176] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  377.179362]  ? dump_stack_print_info.cold.1+0x20/0x20
[  377.183911] lowmem_reserve[]: 0 0 3503 3503
[  377.187555]  warn_alloc.cold.116+0xb7/0x1bd
[  377.215036] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  377.220265]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.224561] lowmem_reserve[]: 0 0 0 0
[  377.228892]  ? lock_downgrade+0x900/0x900
[  377.257853] 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
[  377.262721]  ? trace_hardirqs_off+0xb8/0x310
[  377.266494] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  377.270668]  ? trace_hardirqs_off+0xb8/0x310
[  377.284176] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  377.288609]  __alloc_pages_slowpath+0x26e8/0x2e10
[  377.304128] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.308582]  ? warn_alloc+0x120/0x120
[  377.322689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.327548]  ? print_usage_bug+0xc0/0xc0
[  377.336871] 2335 total pagecache pages
[  377.340701]  ? warn_alloc+0x120/0x120
[  377.349259] 0 pages in swap cache
[  377.353347]  ? warn_alloc+0x120/0x120
[  377.357202] Swap cache stats: add 0, delete 0, find 0/0
[  377.361006]  ? print_usage_bug+0xc0/0xc0
[  377.364431] Free swap  = 0kB
[  377.364440] Total swap = 0kB
[  377.368253]  ? print_usage_bug+0xc0/0xc0
[  377.373594] 1965979 pages RAM
[  377.377663]  ? __lock_acquire+0x62f/0x4c20
[  377.380654] 0 pages HighMem/MovableOnly
[  377.380663] 342853 pages reserved
[  377.383691]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.387719] 0 pages cma reserved
[  377.387819] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.390847]  ? should_fail+0x22d/0xd01
[  377.395135] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.399030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.402456] syz-fuzzer cpuset=/ mems_allowed=0
[  377.407995]  ? __lock_acquire+0x62f/0x4c20
[  377.445865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  377.450979]  ? __lock_acquire+0x62f/0x4c20
[  377.455222]  ? should_fail+0x22d/0xd01
[  377.459120]  ? find_held_lock+0x36/0x1c0
[  377.463199]  ? mark_held_locks+0x130/0x130
[  377.467446]  ? mark_held_locks+0x130/0x130
[  377.471690]  ? zap_class+0x640/0x640
[  377.475415]  ? zap_class+0x640/0x640
[  377.479137]  ? print_usage_bug+0xc0/0xc0
[  377.483199]  ? do_raw_spin_unlock+0xa7/0x330
[  377.487621]  ? zap_class+0x640/0x640
[  377.491350]  ? print_usage_bug+0xc0/0xc0
[  377.495424]  ? wq_watchdog_touch+0x9c/0xfe
[  377.499700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.505277]  ? check_preemption_disabled+0x48/0x280
[  377.510330]  ? __lock_is_held+0xb5/0x140
[  377.514416]  __alloc_pages_nodemask+0xa80/0xde0
[  377.519095]  ? zap_class+0x640/0x640
[  377.522825]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  377.527865]  ? find_held_lock+0x36/0x1c0
[  377.531948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.536631]  ? lock_downgrade+0x900/0x900
[  377.540799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.546358]  cache_grow_begin+0xa5/0x8c0
[  377.550432]  ? do_raw_spin_unlock+0xa7/0x330
[  377.554857]  fallback_alloc+0x204/0x2e0
[  377.558848]  ____cache_alloc_node+0x1c7/0x1e0
[  377.563357]  kmem_cache_alloc_node+0xe3/0x730
[  377.567862]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.572117]  __alloc_skb+0x119/0x770
[  377.575832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  377.581133]  ? netdev_alloc_frag+0x1f0/0x1f0
[  377.585550]  ? lock_downgrade+0x900/0x900
[  377.589735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.595297]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.600797]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.606273]  ? addrconf_rs_timer+0x690/0x690
[  377.610717]  ndisc_alloc_skb+0x144/0x340
[  377.614796]  ndisc_send_rs+0x331/0x6e0
[  377.618703]  addrconf_rs_timer+0x314/0x690
[  377.622981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.627251]  call_timer_fn+0x272/0x920
[  377.631155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.635414]  ? process_timeout+0x40/0x40
[  377.639501]  ? __run_timers+0x7da/0xc70
[  377.643500]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.648007]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.652525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.656777]  ? lockdep_hardirqs_on+0x296/0x5b0
[  377.661394]  ? trace_hardirqs_on+0xbd/0x310
[  377.665740]  ? kasan_check_read+0x11/0x20
[  377.669907]  ? __run_timers+0x7da/0xc70
[  377.673900]  ? trace_hardirqs_off_caller+0x310/0x310
[  377.679015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.683271]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.687526]  __run_timers+0x7e5/0xc70
[  377.691360]  ? timer_fixup_init+0x70/0x70
[  377.695530]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.700568]  ? zap_class+0x640/0x640
[  377.704312]  ? enqueue_hrtimer+0x1a5/0x560
[  377.708570]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.713794]  ? find_held_lock+0x36/0x1c0
[  377.717881]  ? zap_class+0x640/0x640
[  377.721633]  ? pvclock_read_flags+0x160/0x160
[  377.726151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.731711]  ? check_preemption_disabled+0x48/0x280
[  377.736760]  ? __lock_is_held+0xb5/0x140
[  377.740835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.746419]  ? check_preemption_disabled+0x48/0x280
[  377.751461]  run_timer_softirq+0x52/0xb0
[  377.755549]  ? rcu_read_lock_sched_held+0x14f/0x180
[  377.760602]  __do_softirq+0x308/0xb7e
[  377.764424]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  377.768934]  ? lock_downgrade+0x900/0x900
[  377.773095]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  377.778209]  ? pvclock_read_flags+0x160/0x160
[  377.782719]  ? lapic_next_event+0x5a/0x90
[  377.786883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.792452]  ? kvm_clock_read+0x18/0x30
[  377.796438]  ? kvm_sched_clock_read+0x9/0x20
[  377.800864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.806427]  ? check_preemption_disabled+0x48/0x280
[  377.811471]  irq_exit+0x17f/0x1c0
[  377.814939]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.819795]  ? smp_reschedule_interrupt+0x109/0x650
[  377.824834]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.830747]  ? interrupt_entry+0xb5/0xc0
[  377.834824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.839857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.844890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.849757]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.854784]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.859824]  ? task_prio+0x50/0x50
[  377.863388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.868954]  ? check_preemption_disabled+0x48/0x280
[  377.873991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.878846]  apic_timer_interrupt+0xf/0x20
[  377.883079]  </IRQ>
[  377.885334] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.890275] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  377.909206] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.916933] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.924219] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  377.931512] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  377.938822] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.946114] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  377.953480]  skb_clone+0x1bb/0x500
[  377.957052]  ? finish_task_switch+0x2f4/0x910
[  377.961574]  ? skb_split+0x11e0/0x11e0
[  377.965488]  ? preempt_notifier_register+0x200/0x200
[  377.970612]  ? __switch_to_asm+0x34/0x70
[  377.974698]  ? __switch_to_asm+0x34/0x70
[  377.978775]  ? __switch_to_asm+0x40/0x70
[  377.982860]  ? __switch_to_asm+0x34/0x70
[  377.986930]  ? __switch_to_asm+0x40/0x70
[  377.991001]  ? __switch_to_asm+0x34/0x70
[  377.995075]  ? __switch_to_asm+0x40/0x70
[  377.999149]  ? __switch_to_asm+0x34/0x70
[  378.003225]  ? __switch_to_asm+0x34/0x70
[  378.007298]  ? __switch_to_asm+0x40/0x70
[  378.011377]  ? __switch_to_asm+0x34/0x70
[  378.015462]  bpf_clone_redirect+0xb9/0x490
[  378.019714]  ? __schedule+0x8d7/0x21d0
[  378.023618]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  378.028659]  ? __sched_text_start+0x8/0x8
[  378.032831]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  378.037623]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.042232]  ? retint_kernel+0x2d/0x2d
[  378.046145]  ? find_held_lock+0x36/0x1c0
[  378.050227]  ? lock_acquire+0x1ed/0x520
[  378.054225]  ? bpf_test_run+0x3cb/0x780
[  378.058241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.063816]  ? check_preemption_disabled+0x48/0x280
[  378.068862]  ? kasan_check_read+0x11/0x20
[  378.073032]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.078333]  ? rcu_softirq_qs+0x20/0x20
[  378.082347]  ? preempt_schedule+0x4d/0x60
[  378.086512]  ? ___preempt_schedule+0x16/0x18
[  378.090953]  ? bpf_test_run+0x25d/0x780
[  378.094959]  ? netlink_diag_dump+0x2a0/0x2a0
[  378.099430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.105003]  ? bpf_test_init.isra.10+0x70/0x100
[  378.109708]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  378.114495]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.119364]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.124927]  ? fput+0x130/0x1a0
[  378.128245]  ? __bpf_prog_get+0x9b/0x290
[  378.132344]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  378.137214]  ? bpf_prog_test_run+0x130/0x1a0
[  378.141638]  ? __x64_sys_bpf+0x3d8/0x520
[  378.145719]  ? bpf_prog_get+0x20/0x20
[  378.149568]  ? do_syscall_64+0x1b9/0x820
[  378.153641]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  378.159043]  ? syscall_return_slowpath+0x5e0/0x5e0
[  378.163986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.168871]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.173902]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  378.178922]  ? prepare_exit_to_usermode+0x291/0x3b0
[  378.183975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.188871]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  378.194275] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  378.194422] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  378.201506] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  378.201513] Call Trace:
[  378.201520]  <IRQ>
[  378.201547]  dump_stack+0x244/0x39d
[  378.201564]  ? dump_stack_print_info.cold.1+0x20/0x20
[  378.201595]  warn_alloc.cold.116+0xb7/0x1bd
[  378.208318] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  378.217476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  378.220038] syz-executor1 cpuset=syz1 mems_allowed=0
[  378.222196]  ? lock_downgrade+0x900/0x900
[  378.259898]  ? trace_hardirqs_off+0xb8/0x310
[  378.264341]  ? trace_hardirqs_off+0xb8/0x310
[  378.268781]  __alloc_pages_slowpath+0x26e8/0x2e10
[  378.273664]  ? warn_alloc+0x120/0x120
[  378.277475]  ? print_usage_bug+0xc0/0xc0
[  378.281546]  ? warn_alloc+0x120/0x120
[  378.285393]  ? warn_alloc+0x120/0x120
[  378.289218]  ? print_usage_bug+0xc0/0xc0
[  378.293295]  ? print_usage_bug+0xc0/0xc0
[  378.297386]  ? __lock_acquire+0x62f/0x4c20
[  378.301672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.307229]  ? should_fail+0x22d/0xd01
[  378.311136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.316637]  ? __lock_acquire+0x62f/0x4c20
[  378.320891]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.326015]  ? __lock_acquire+0x62f/0x4c20
[  378.330262]  ? should_fail+0x22d/0xd01
[  378.334162]  ? find_held_lock+0x36/0x1c0
[  378.338243]  ? mark_held_locks+0x130/0x130
[  378.342493]  ? mark_held_locks+0x130/0x130
[  378.346737]  ? zap_class+0x640/0x640
[  378.350462]  ? zap_class+0x640/0x640
[  378.354193]  ? print_usage_bug+0xc0/0xc0
[  378.358259]  ? do_raw_spin_unlock+0xa7/0x330
[  378.362691]  ? zap_class+0x640/0x640
[  378.366423]  ? print_usage_bug+0xc0/0xc0
[  378.370497]  ? wq_watchdog_touch+0x9c/0xfe
[  378.374761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.380431]  ? check_preemption_disabled+0x48/0x280
[  378.385468]  ? __lock_is_held+0xb5/0x140
[  378.389547]  __alloc_pages_nodemask+0xa80/0xde0
[  378.394232]  ? zap_class+0x640/0x640
[  378.397957]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  378.402996]  ? find_held_lock+0x36/0x1c0
[  378.407075]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.411761]  ? lock_downgrade+0x900/0x900
[  378.415931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.421486]  cache_grow_begin+0xa5/0x8c0
[  378.425559]  ? do_raw_spin_unlock+0xa7/0x330
[  378.429979]  fallback_alloc+0x204/0x2e0
[  378.433967]  ____cache_alloc_node+0x1c7/0x1e0
[  378.438475]  kmem_cache_alloc_node+0xe3/0x730
[  378.442976]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.447226]  __alloc_skb+0x119/0x770
[  378.450951]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  378.456237]  ? netdev_alloc_frag+0x1f0/0x1f0
[  378.460663]  ? lock_downgrade+0x900/0x900
[  378.464827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.470374]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.475828]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.481297]  ? addrconf_rs_timer+0x690/0x690
[  378.485737]  ndisc_alloc_skb+0x144/0x340
[  378.489808]  ndisc_send_rs+0x331/0x6e0
[  378.493704]  addrconf_rs_timer+0x314/0x690
[  378.497964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.502216]  call_timer_fn+0x272/0x920
[  378.506105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.510359]  ? process_timeout+0x40/0x40
[  378.514437]  ? mark_held_locks+0xc7/0x130
[  378.518591]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.523089]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.527588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.531833]  ? lockdep_hardirqs_on+0x296/0x5b0
[  378.536426]  ? trace_hardirqs_on+0xbd/0x310
[  378.540770]  ? kasan_check_read+0x11/0x20
[  378.544927]  ? __run_timers+0x7da/0xc70
[  378.548912]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.554038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.558301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.562548]  __run_timers+0x7e5/0xc70
[  378.566371]  ? timer_fixup_init+0x70/0x70
[  378.570529]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.575550]  ? zap_class+0x640/0x640
[  378.579272]  ? print_usage_bug+0xc0/0xc0
[  378.583350]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.588566]  ? find_held_lock+0x36/0x1c0
[  378.592638]  ? zap_class+0x640/0x640
[  378.596385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.601936]  ? check_preemption_disabled+0x48/0x280
[  378.606970]  ? __lock_is_held+0xb5/0x140
[  378.611045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.616599]  ? check_preemption_disabled+0x48/0x280
[  378.621630]  run_timer_softirq+0x52/0xb0
[  378.625707]  ? rcu_read_lock_sched_held+0x14f/0x180
[  378.630737]  __do_softirq+0x308/0xb7e
[  378.634555]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  378.639057]  ? lock_downgrade+0x900/0x900
[  378.643222]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  378.648348]  ? pvclock_read_flags+0x160/0x160
[  378.652853]  ? lapic_next_event+0x5a/0x90
[  378.657015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.662564]  ? kvm_clock_read+0x18/0x30
[  378.666542]  ? kvm_sched_clock_read+0x9/0x20
[  378.670966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.676508]  ? check_preemption_disabled+0x48/0x280
[  378.681541]  irq_exit+0x17f/0x1c0
[  378.685004]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.689851]  ? smp_reschedule_interrupt+0x109/0x650
[  378.694888]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.700787]  ? interrupt_entry+0xb5/0xc0
[  378.704860]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.709893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.714938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.719790]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.724814]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.729839]  ? task_prio+0x50/0x50
[  378.733394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.738957]  ? check_preemption_disabled+0x48/0x280
[  378.743991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.748852]  apic_timer_interrupt+0xf/0x20
[  378.753085]  </IRQ>
[  378.755336] RIP: 0010:console_unlock+0x102f/0x1190
[  378.760273] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  378.779200] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  378.786929] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  378.794210] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  378.801490] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  378.808765] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  378.816045] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  378.823348]  ? netconsole_netdev_event+0x280/0x280
[  378.828310]  ? console_unlock+0x1026/0x1190
[  378.832673]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  378.837355]  ? vprintk_emit+0x846/0x990
[  378.841352]  ? lock_release+0xa00/0xa00
[  378.845340]  ? trace_hardirqs_on+0x60/0x310
[  378.849666]  ? vprintk_default+0x28/0x30
[  378.853739]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.858856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.864419]  vprintk_emit+0x391/0x990
[  378.868241]  ? wake_up_klogd+0x180/0x180
[  378.872334]  ? find_held_lock+0x1/0x1c0
[  378.876370]  ? mark_held_locks+0xc7/0x130
[  378.880525]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.885029]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.889544]  vprintk_default+0x28/0x30
[  378.893448]  vprintk_func+0x7e/0x181
[  378.897173]  printk+0xa7/0xcf
[  378.900289]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  378.905061]  ? _raw_spin_unlock_irq+0x60/0x80
[  378.909581]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  378.914873]  dump_header+0x7cc/0xf72
[  378.918610]  ? pagefault_out_of_memory+0x197/0x197
[  378.923555]  ? __lock_acquire+0x62f/0x4c20
[  378.927802]  ? percpu_ref_get_many+0x240/0x240
[  378.932401]  ? print_usage_bug+0xc0/0xc0
[  378.936491]  ? zap_class+0x640/0x640
[  378.940210]  ? print_usage_bug+0xc0/0xc0
[  378.944280]  ? zap_class+0x640/0x640
[  378.948018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.953569]  ? find_held_lock+0x36/0x1c0
[  378.957643]  ? mark_held_locks+0xc7/0x130
[  378.961800]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.966915]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  378.972026]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  378.976610]  ? trace_hardirqs_on+0xbd/0x310
[  378.980937]  ? kasan_check_read+0x11/0x20
[  378.985091]  ? ___ratelimit+0x3b4/0x672
[  378.989071]  ? trace_hardirqs_off_caller+0x310/0x310
[  378.994182]  ? trace_hardirqs_on+0x310/0x310
[  378.998601]  ? lock_downgrade+0x900/0x900
[  379.002761]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  379.007877]  ? ___ratelimit+0x3b9/0x672
[  379.011862]  ? idr_get_free+0xf70/0xf70
[  379.015844]  ? find_held_lock+0x36/0x1c0
[  379.019925]  oom_kill_process.cold.27+0x10/0x903
[  379.024708]  ? zap_class+0x640/0x640
[  379.028428]  ? check_preemption_disabled+0x48/0x280
[  379.033458]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.038397]  ? kasan_check_read+0x11/0x20
[  379.042556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.047842]  ? oom_evaluate_task+0x540/0x540
[  379.052263]  ? find_held_lock+0x36/0x1c0
[  379.056348]  ? out_of_memory+0x974/0x1430
[  379.060508]  ? lock_downgrade+0x900/0x900
[  379.064666]  ? check_preemption_disabled+0x48/0x280
[  379.069696]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.074633]  ? kasan_check_read+0x11/0x20
[  379.078782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.084067]  ? rcu_softirq_qs+0x20/0x20
[  379.088060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.093612]  ? oom_evaluate_task+0x302/0x540
[  379.098043]  out_of_memory+0xa84/0x1430
[  379.102045]  ? oom_killer_disable+0x3a0/0x3a0
[  379.106566]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  379.111528]  ? __ww_mutex_check_waiters+0x160/0x160
[  379.116574]  __alloc_pages_slowpath+0x2354/0x2e10
[  379.121468]  ? warn_alloc+0x120/0x120
[  379.125282]  ? mark_held_locks+0x130/0x130
[  379.129569]  ? find_get_entry+0xaae/0x1120
[  379.133878]  ? filemap_map_pages+0x1a20/0x1a20
[  379.138485]  ? zap_class+0x640/0x640
[  379.142226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.147783]  ? check_preemption_disabled+0x48/0x280
[  379.152810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.158362]  ? should_fail+0x22d/0xd01
[  379.162262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.167383]  ? zap_class+0x640/0x640
[  379.171134]  ? __lock_is_held+0xb5/0x140
[  379.175209]  ? mark_held_locks+0x130/0x130
[  379.179452]  ? lock_release+0xa00/0xa00
[  379.183432]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.188890]  ? xa_load+0x2ba/0x460
[  379.192448]  ? lock_downgrade+0x900/0x900
[  379.196609]  ? __might_sleep+0x95/0x190
[  379.200593]  __alloc_pages_nodemask+0xa80/0xde0
[  379.205275]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  379.210315]  ? __page_cache_alloc+0x191/0x5c0
[  379.214818]  ? xa_load+0x2e1/0x460
[  379.218369]  ? xa_clear_mark+0x40/0x40
[  379.222262]  ? zap_class+0x640/0x640
[  379.225989]  ? zap_class+0x640/0x640
[  379.229719]  ? zap_class+0x640/0x640
[  379.233442]  ? zap_class+0x640/0x640
[  379.237164]  ? __do_page_cache_readahead+0x663/0x810
[  379.242282]  ? find_held_lock+0x36/0x1c0
[  379.246367]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  379.251930]  alloc_pages_current+0x173/0x350
[  379.256363]  __page_cache_alloc+0x38c/0x5c0
[  379.260695]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.265637]  ? kasan_check_read+0x11/0x20
[  379.269796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.275086]  ? generic_perform_write+0x6a0/0x6a0
[  379.279852]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.285400]  ? check_preemption_disabled+0x48/0x280
[  379.290440]  filemap_fault+0x1595/0x25f0
[  379.294551]  ? __lock_page_or_retry+0xa00/0xa00
[  379.299259]  ? mark_held_locks+0x130/0x130
[  379.303546]  ? filemap_map_pages+0xd6b/0x1a20
[  379.308054]  ? lock_downgrade+0x900/0x900
[  379.312213]  ? check_preemption_disabled+0x48/0x280
[  379.317243]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.322184]  ? kasan_check_read+0x11/0x20
[  379.326343]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.331840]  ? rcu_softirq_qs+0x20/0x20
[  379.335851]  ? filemap_map_pages+0xd92/0x1a20
[  379.340357]  ? queue_work_on+0x12c/0x1e0
[  379.344437]  ? find_get_entries_tag+0x1400/0x1400
[  379.349316]  ? debug_object_destroy+0x2b0/0x2b0
[  379.354000]  ? lock_pi_update_atomic+0x150/0x150
[  379.358768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.364363]  ? lock_acquire+0x1ed/0x520
[  379.368349]  ? ext4_filemap_fault+0x7a/0xad
[  379.372687]  ? lock_release+0xa00/0xa00
[  379.376695]  ? perf_trace_sched_process_exec+0x860/0x860
[  379.382168]  ? print_usage_bug+0xc0/0xc0
[  379.386235]  ? print_usage_bug+0xc0/0xc0
[  379.390328]  ? down_read+0x8d/0x120
[  379.393963]  ? ext4_filemap_fault+0x7a/0xad
[  379.398295]  ? __down_interruptible+0x700/0x700
[  379.402999]  ext4_filemap_fault+0x82/0xad
[  379.407158]  __do_fault+0x100/0x6b0
[  379.410791]  ? find_held_lock+0x36/0x1c0
[  379.414864]  ? pmd_devmap_trans_unstable+0x220/0x220
[  379.419984]  ? mark_held_locks+0x130/0x130
[  379.424230]  ? mark_held_locks+0x130/0x130
[  379.428483]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.432983]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.437491]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  379.442086]  ? kasan_check_read+0x11/0x20
[  379.446247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.451800]  __handle_mm_fault+0x3ea0/0x5be0
[  379.456225]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  379.461077]  ? finish_task_switch+0x1f4/0x910
[  379.465581]  ? finish_task_switch+0x1b4/0x910
[  379.470083]  ? __switch_to_asm+0x34/0x70
[  379.474155]  ? preempt_notifier_register+0x200/0x200
[  379.479261]  ? __switch_to_asm+0x34/0x70
[  379.483347]  ? __switch_to_asm+0x34/0x70
[  379.487430]  ? zap_class+0x640/0x640
[  379.491162]  ? zap_class+0x640/0x640
[  379.494880]  ? __x64_sys_futex+0x53e/0x6a0
[  379.499127]  ? find_held_lock+0x36/0x1c0
[  379.503213]  ? handle_mm_fault+0x42a/0xc70
[  379.507472]  ? lock_downgrade+0x900/0x900
[  379.511625]  ? check_preemption_disabled+0x48/0x280
[  379.516647]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  379.521595]  ? kasan_check_read+0x11/0x20
[  379.525750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  379.531042]  ? rcu_softirq_qs+0x20/0x20
[  379.535024]  ? trace_hardirqs_off_caller+0x310/0x310
[  379.540134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.545680]  ? check_preemption_disabled+0x48/0x280
[  379.550710]  handle_mm_fault+0x54f/0xc70
[  379.554782]  ? __handle_mm_fault+0x5be0/0x5be0
[  379.559376]  ? find_vma+0x34/0x190
[  379.562935]  __do_page_fault+0x5e8/0xe60
[  379.567007]  ? trace_hardirqs_off+0xb8/0x310
[  379.571432]  do_page_fault+0xf2/0x7e0
[  379.575266]  ? vmalloc_sync_all+0x30/0x30
[  379.579417]  ? error_entry+0x70/0xd0
[  379.583142]  ? trace_hardirqs_off_caller+0xbb/0x310
[  379.588160]  ? trace_hardirqs_on_caller+0xc0/0x310
[  379.593096]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.598030]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.602881]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.607921]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.613389]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.618414]  ? page_fault+0x8/0x30
[  379.621965]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.626812]  ? page_fault+0x8/0x30
[  379.630359]  page_fault+0x1e/0x30
[  379.633822] RIP: 0033:0x45ddf3
[  379.637032] Code: Bad RIP value.
[  379.640399] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  379.645777] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  379.653062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  379.660334] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  379.667611] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  379.674932] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  379.682236] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  379.682242] warn_alloc_show_mem: 1 callbacks suppressed
[  379.682249] Mem-Info:
[  379.689534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.694910] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  379.694910]  active_file:15 inactive_file:15 isolated_file:0
[  379.694910]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.694910]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  379.694910]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  379.694910]  free:13750 free_pcp:296 free_cma:0
[  379.697278] Call Trace:
[  379.706691] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.739733]  <IRQ>
[  379.742318] 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
[  379.769840]  dump_stack+0x244/0x39d
[  379.771966] lowmem_reserve[]: 0 2818 6321 6321
[  379.798104]  ? dump_stack_print_info.cold.1+0x20/0x20
[  379.801707] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  379.806301]  warn_alloc.cold.116+0xb7/0x1bd
[  379.811459] lowmem_reserve[]: 0 0 3503 3503
[  379.838987]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.843283] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  379.847617]  ? lock_downgrade+0x900/0x900
[  379.852432] lowmem_reserve[]: 0 0 0 0
[  379.881453]  ? trace_hardirqs_off+0xb8/0x310
[  379.885586] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  379.889418]  ? trace_hardirqs_off+0xb8/0x310
[  379.893796] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  379.907357]  __alloc_pages_slowpath+0x26e8/0x2e10
[  379.911745] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  379.927312]  ? warn_alloc+0x120/0x120
[  379.932118] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.946269]  ? warn_alloc+0x120/0x120
[  379.950055] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.959858]  ? warn_alloc+0x120/0x120
[  379.963645] 2335 total pagecache pages
[  379.972250]  ? print_usage_bug+0xc0/0xc0
[  379.976035] 0 pages in swap cache
[  379.979906]  ? print_usage_bug+0xc0/0xc0
[  379.983966] Swap cache stats: add 0, delete 0, find 0/0
[  379.987425]  ? mark_held_locks+0x130/0x130
[  379.991454] Free swap  = 0kB
[  379.996824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.001032] Total swap = 0kB
[  380.004051]  ? should_fail+0x22d/0xd01
[  380.009559] 1965979 pages RAM
[  380.012583]  ? __lock_acquire+0x62f/0x4c20
[  380.016443] 0 pages HighMem/MovableOnly
[  380.019553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.023754] 342853 pages reserved
[  380.023763] 0 pages cma reserved
[  380.027738]  ? __lock_acquire+0x62f/0x4c20
[  380.032889] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.036266]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.036282]  ? __lock_acquire+0x62f/0x4c20
[  380.036298]  ? should_fail+0x22d/0xd01
[  380.039726] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.043894]  ? mark_held_locks+0x130/0x130
[  380.050365] syz-fuzzer cpuset=/ mems_allowed=0
[  380.055468]  ? mark_held_locks+0x130/0x130
[  380.086787]  ? zap_class+0x640/0x640
[  380.090514]  ? check_preemption_disabled+0x48/0x280
[  380.095581]  ? zap_class+0x640/0x640
[  380.099311]  ? print_usage_bug+0xc0/0xc0
[  380.103388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.108947]  ? check_preemption_disabled+0x48/0x280
[  380.113986]  ? __lock_is_held+0xb5/0x140
[  380.118063]  __alloc_pages_nodemask+0xa80/0xde0
[  380.122738]  ? zap_class+0x640/0x640
[  380.126467]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  380.131507]  ? find_held_lock+0x36/0x1c0
[  380.135584]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.140258]  ? lock_downgrade+0x900/0x900
[  380.144428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.149988]  cache_grow_begin+0xa5/0x8c0
[  380.154059]  ? do_raw_spin_unlock+0xa7/0x330
[  380.158484]  fallback_alloc+0x204/0x2e0
[  380.162473]  ____cache_alloc_node+0x1c7/0x1e0
[  380.166985]  kmem_cache_alloc_node+0xe3/0x730
[  380.171487]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.175767]  __alloc_skb+0x119/0x770
[  380.179500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.184816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  380.189229]  ? lock_downgrade+0x900/0x900
[  380.193390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.199345]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.204822]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.210279]  ? addrconf_rs_timer+0x690/0x690
[  380.214709]  ndisc_alloc_skb+0x144/0x340
[  380.218780]  ndisc_send_rs+0x331/0x6e0
[  380.222681]  addrconf_rs_timer+0x314/0x690
[  380.226925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.231175]  call_timer_fn+0x272/0x920
[  380.235066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.239314]  ? process_timeout+0x40/0x40
[  380.243386]  ? __run_timers+0x7da/0xc70
[  380.247396]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.251901]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.256410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.260655]  ? lockdep_hardirqs_on+0x296/0x5b0
[  380.265246]  ? trace_hardirqs_on+0xbd/0x310
[  380.269574]  ? kasan_check_read+0x11/0x20
[  380.273725]  ? __run_timers+0x7da/0xc70
[  380.277703]  ? trace_hardirqs_off_caller+0x310/0x310
[  380.282821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.287062]  __run_timers+0x7e5/0xc70
[  380.290880]  ? timer_fixup_init+0x70/0x70
[  380.295034]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.300058]  ? zap_class+0x640/0x640
[  380.303783]  ? enqueue_hrtimer+0x1a5/0x560
[  380.308029]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.313228]  ? find_held_lock+0x36/0x1c0
[  380.317300]  ? zap_class+0x640/0x640
[  380.321035]  ? pvclock_read_flags+0x160/0x160
[  380.325543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.331086]  ? check_preemption_disabled+0x48/0x280
[  380.336129]  ? __lock_is_held+0xb5/0x140
[  380.340198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.345744]  ? check_preemption_disabled+0x48/0x280
[  380.350772]  run_timer_softirq+0x52/0xb0
[  380.354856]  ? rcu_read_lock_sched_held+0x14f/0x180
[  380.359887]  __do_softirq+0x308/0xb7e
[  380.363699]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  380.368205]  ? lock_downgrade+0x900/0x900
[  380.372362]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  380.377478]  ? pvclock_read_flags+0x160/0x160
[  380.381981]  ? lapic_next_event+0x5a/0x90
[  380.386136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.391686]  ? kvm_clock_read+0x18/0x30
[  380.395677]  ? kvm_sched_clock_read+0x9/0x20
[  380.400095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.405643]  ? check_preemption_disabled+0x48/0x280
[  380.410676]  irq_exit+0x17f/0x1c0
[  380.414143]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.418990]  ? smp_reschedule_interrupt+0x109/0x650
[  380.424013]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.429900]  ? interrupt_entry+0xb5/0xc0
[  380.433970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.438990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.444017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.448891]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.453916]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.458943]  ? task_prio+0x50/0x50
[  380.462495]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.468044]  ? check_preemption_disabled+0x48/0x280
[  380.473077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.477962]  apic_timer_interrupt+0xf/0x20
[  380.482197]  </IRQ>
[  380.484443] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  380.489381] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  380.508310] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.516048] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.523333] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  380.530612] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  380.537888] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  380.545167] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  380.552500]  skb_clone+0x1bb/0x500
[  380.556060]  ? finish_task_switch+0x2f4/0x910
[  380.560562]  ? skb_split+0x11e0/0x11e0
[  380.564459]  ? preempt_notifier_register+0x200/0x200
[  380.569570]  ? __switch_to_asm+0x34/0x70
[  380.573637]  ? __switch_to_asm+0x34/0x70
[  380.577696]  ? __switch_to_asm+0x40/0x70
[  380.581754]  ? __switch_to_asm+0x34/0x70
[  380.585814]  ? __switch_to_asm+0x40/0x70
[  380.589875]  ? __switch_to_asm+0x34/0x70
[  380.593933]  ? __switch_to_asm+0x40/0x70
[  380.597995]  ? __switch_to_asm+0x34/0x70
[  380.602060]  ? __switch_to_asm+0x34/0x70
[  380.606121]  ? __switch_to_asm+0x40/0x70
[  380.610181]  ? __switch_to_asm+0x34/0x70
[  380.614254]  bpf_clone_redirect+0xb9/0x490
[  380.618496]  ? __schedule+0x8d7/0x21d0
[  380.622398]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  380.627435]  ? __sched_text_start+0x8/0x8
[  380.631595]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  380.636363]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  380.640951]  ? retint_kernel+0x2d/0x2d
[  380.644848]  ? find_held_lock+0x36/0x1c0
[  380.648922]  ? lock_acquire+0x1ed/0x520
[  380.652917]  ? bpf_test_run+0x3cb/0x780
[  380.656902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.662450]  ? check_preemption_disabled+0x48/0x280
[  380.667486]  ? kasan_check_read+0x11/0x20
[  380.671640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  380.676921]  ? rcu_softirq_qs+0x20/0x20
[  380.680903]  ? preempt_schedule+0x4d/0x60
[  380.685061]  ? ___preempt_schedule+0x16/0x18
[  380.689488]  ? bpf_test_run+0x25d/0x780
[  380.693481]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.697901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.703447]  ? bpf_test_init.isra.10+0x70/0x100
[  380.708132]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  380.712905]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.717763]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.723329]  ? fput+0x130/0x1a0
[  380.726617]  ? __bpf_prog_get+0x9b/0x290
[  380.730686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  380.735534]  ? bpf_prog_test_run+0x130/0x1a0
[  380.739947]  ? __x64_sys_bpf+0x3d8/0x520
[  380.744011]  ? bpf_prog_get+0x20/0x20
[  380.747841]  ? do_syscall_64+0x1b9/0x820
[  380.751906]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.757283]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.762230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.767090]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.772117]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.777136]  ? prepare_exit_to_usermode+0x291/0x3b0
[  380.782162]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.787016]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.792407] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  380.792542] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.799368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.799374] Call Trace:
[  380.799382]  <IRQ>
[  380.799407]  dump_stack+0x244/0x39d
[  380.799423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  380.799450]  warn_alloc.cold.116+0xb7/0x1bd
[  380.799467]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.806087] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.815348]  ? lock_downgrade+0x900/0x900
[  380.817926] syz-executor1 cpuset=syz1 mems_allowed=0
[  380.820081]  ? trace_hardirqs_off+0xb8/0x310
[  380.862150]  ? trace_hardirqs_off+0xb8/0x310
[  380.866585]  __alloc_pages_slowpath+0x26e8/0x2e10
[  380.871467]  ? warn_alloc+0x120/0x120
[  380.875281]  ? print_usage_bug+0xc0/0xc0
[  380.879354]  ? warn_alloc+0x120/0x120
[  380.883161]  ? warn_alloc+0x120/0x120
[  380.886971]  ? print_usage_bug+0xc0/0xc0
[  380.891045]  ? print_usage_bug+0xc0/0xc0
[  380.895115]  ? __lock_acquire+0x62f/0x4c20
[  380.899361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.904911]  ? should_fail+0x22d/0xd01
[  380.908809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.913924]  ? __lock_acquire+0x62f/0x4c20
[  380.918174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.923282]  ? __lock_acquire+0x62f/0x4c20
[  380.927531]  ? should_fail+0x22d/0xd01
[  380.931424]  ? find_held_lock+0x36/0x1c0
[  380.935499]  ? mark_held_locks+0x130/0x130
[  380.939744]  ? mark_held_locks+0x130/0x130
[  380.943980]  ? zap_class+0x640/0x640
[  380.947703]  ? zap_class+0x640/0x640
[  380.951422]  ? print_usage_bug+0xc0/0xc0
[  380.955494]  ? do_raw_spin_unlock+0xa7/0x330
[  380.959909]  ? zap_class+0x640/0x640
[  380.963627]  ? print_usage_bug+0xc0/0xc0
[  380.967704]  ? wq_watchdog_touch+0x9c/0xfe
[  380.971951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.977517]  ? check_preemption_disabled+0x48/0x280
[  380.982548]  ? __lock_is_held+0xb5/0x140
[  380.986624]  __alloc_pages_nodemask+0xa80/0xde0
[  380.991299]  ? zap_class+0x640/0x640
[  380.995030]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.000063]  ? find_held_lock+0x36/0x1c0
[  381.004141]  ? ____cache_alloc_node+0x1c7/0x1e0
[  381.008827]  ? lock_downgrade+0x900/0x900
[  381.012999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.018564]  cache_grow_begin+0xa5/0x8c0
[  381.022959]  ? do_raw_spin_unlock+0xa7/0x330
[  381.027389]  fallback_alloc+0x204/0x2e0
[  381.031381]  ____cache_alloc_node+0x1c7/0x1e0
[  381.035892]  kmem_cache_alloc_node+0xe3/0x730
[  381.040399]  ? ipv6_get_ifaddr+0x42e/0x620
[  381.044651]  __alloc_skb+0x119/0x770
[  381.048371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.053664]  ? netdev_alloc_frag+0x1f0/0x1f0
[  381.058085]  ? lock_downgrade+0x900/0x900
[  381.062248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.067799]  ? refcount_sub_and_test_checked+0x203/0x310
[  381.073258]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  381.078733]  ? addrconf_rs_timer+0x690/0x690
[  381.083159]  ndisc_alloc_skb+0x144/0x340
[  381.087232]  ndisc_send_rs+0x331/0x6e0
[  381.091144]  addrconf_rs_timer+0x314/0x690
[  381.095392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.099648]  call_timer_fn+0x272/0x920
[  381.103541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.107781]  ? process_timeout+0x40/0x40
[  381.111857]  ? mark_held_locks+0xc7/0x130
[  381.116014]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.120527]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.125036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.129281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  381.133883]  ? trace_hardirqs_on+0xbd/0x310
[  381.138217]  ? kasan_check_read+0x11/0x20
[  381.142375]  ? __run_timers+0x7da/0xc70
[  381.146374]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.151502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.155750]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  381.159995]  __run_timers+0x7e5/0xc70
[  381.163813]  ? timer_fixup_init+0x70/0x70
[  381.167988]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.173029]  ? zap_class+0x640/0x640
[  381.176773]  ? print_usage_bug+0xc0/0xc0
[  381.180845]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  381.186059]  ? find_held_lock+0x36/0x1c0
[  381.190147]  ? zap_class+0x640/0x640
[  381.193878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.199428]  ? check_preemption_disabled+0x48/0x280
[  381.204464]  ? __lock_is_held+0xb5/0x140
[  381.208538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.214090]  ? check_preemption_disabled+0x48/0x280
[  381.219123]  run_timer_softirq+0x52/0xb0
[  381.223197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  381.228229]  __do_softirq+0x308/0xb7e
[  381.232045]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  381.236552]  ? lock_downgrade+0x900/0x900
[  381.240719]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  381.245872]  ? pvclock_read_flags+0x160/0x160
[  381.250387]  ? lapic_next_event+0x5a/0x90
[  381.254546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.260101]  ? kvm_clock_read+0x18/0x30
[  381.264079]  ? kvm_sched_clock_read+0x9/0x20
[  381.268498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.274043]  ? check_preemption_disabled+0x48/0x280
[  381.279071]  irq_exit+0x17f/0x1c0
[  381.282534]  smp_apic_timer_interrupt+0x1cb/0x760
[  381.287381]  ? smp_reschedule_interrupt+0x109/0x650
[  381.292502]  ? smp_call_function_single_interrupt+0x650/0x650
[  381.298496]  ? interrupt_entry+0xb5/0xc0
[  381.302718]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.307750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  381.313198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.318046]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.323065]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.328094]  ? task_prio+0x50/0x50
[  381.332166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.337742]  ? check_preemption_disabled+0x48/0x280
[  381.342783]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.347646]  apic_timer_interrupt+0xf/0x20
[  381.351883]  </IRQ>
[  381.354131] RIP: 0010:console_unlock+0x102f/0x1190
[  381.359069] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  381.378023] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  381.385755] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  381.393038] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  381.400338] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  381.407627] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  381.414917] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  381.422223]  ? netconsole_netdev_event+0x280/0x280
[  381.427172]  ? console_unlock+0x1026/0x1190
[  381.431524]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  381.436212]  ? vprintk_emit+0x846/0x990
[  381.440203]  ? lock_release+0xa00/0xa00
[  381.444190]  ? trace_hardirqs_on+0x60/0x310
[  381.448521]  ? vprintk_default+0x28/0x30
[  381.452598]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.457736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.463312]  vprintk_emit+0x391/0x990
[  381.467135]  ? wake_up_klogd+0x180/0x180
[  381.471213]  ? find_held_lock+0x1/0x1c0
[  381.475199]  ? mark_held_locks+0xc7/0x130
[  381.479353]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.483858]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.488379]  vprintk_default+0x28/0x30
[  381.492376]  vprintk_func+0x7e/0x181
[  381.496099]  printk+0xa7/0xcf
[  381.499215]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  381.503995]  ? _raw_spin_unlock_irq+0x60/0x80
[  381.508514]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  381.513812]  dump_header+0x7cc/0xf72
[  381.517548]  ? pagefault_out_of_memory+0x197/0x197
[  381.522510]  ? __lock_acquire+0x62f/0x4c20
[  381.526760]  ? percpu_ref_get_many+0x240/0x240
[  381.531364]  ? print_usage_bug+0xc0/0xc0
[  381.535448]  ? zap_class+0x640/0x640
[  381.539176]  ? print_usage_bug+0xc0/0xc0
[  381.543251]  ? zap_class+0x640/0x640
[  381.546979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.552536]  ? find_held_lock+0x36/0x1c0
[  381.556618]  ? mark_held_locks+0xc7/0x130
[  381.560788]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.565899]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  381.571030]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  381.575623]  ? trace_hardirqs_on+0xbd/0x310
[  381.579952]  ? kasan_check_read+0x11/0x20
[  381.584110]  ? ___ratelimit+0x3b4/0x672
[  381.588101]  ? trace_hardirqs_off_caller+0x310/0x310
[  381.593219]  ? trace_hardirqs_on+0x310/0x310
[  381.597660]  ? lock_downgrade+0x900/0x900
[  381.601827]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  381.606957]  ? ___ratelimit+0x3b9/0x672
[  381.610952]  ? idr_get_free+0xf70/0xf70
[  381.614945]  ? find_held_lock+0x36/0x1c0
[  381.619031]  oom_kill_process.cold.27+0x10/0x903
[  381.623801]  ? zap_class+0x640/0x640
[  381.627526]  ? check_preemption_disabled+0x48/0x280
[  381.632556]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.637495]  ? kasan_check_read+0x11/0x20
[  381.641657]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.646956]  ? oom_evaluate_task+0x540/0x540
[  381.651378]  ? find_held_lock+0x36/0x1c0
[  381.655453]  ? out_of_memory+0x974/0x1430
[  381.659621]  ? lock_downgrade+0x900/0x900
[  381.663776]  ? check_preemption_disabled+0x48/0x280
[  381.668809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.673762]  ? kasan_check_read+0x11/0x20
[  381.677956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.683236]  ? rcu_softirq_qs+0x20/0x20
[  381.687224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.692766]  ? oom_evaluate_task+0x302/0x540
[  381.697184]  out_of_memory+0xa84/0x1430
[  381.701174]  ? oom_killer_disable+0x3a0/0x3a0
[  381.705694]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  381.710634]  ? __ww_mutex_check_waiters+0x160/0x160
[  381.715668]  __alloc_pages_slowpath+0x2354/0x2e10
[  381.720558]  ? warn_alloc+0x120/0x120
[  381.724367]  ? mark_held_locks+0x130/0x130
[  381.728621]  ? find_get_entry+0xaae/0x1120
[  381.732873]  ? filemap_map_pages+0x1a20/0x1a20
[  381.737495]  ? zap_class+0x640/0x640
[  381.741226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.746782]  ? check_preemption_disabled+0x48/0x280
[  381.751815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.757369]  ? should_fail+0x22d/0xd01
[  381.761272]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  381.766414]  ? zap_class+0x640/0x640
[  381.770164]  ? __lock_is_held+0xb5/0x140
[  381.774256]  ? mark_held_locks+0x130/0x130
[  381.778503]  ? lock_release+0xa00/0xa00
[  381.782494]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.787967]  ? xa_load+0x2ba/0x460
[  381.791519]  ? lock_downgrade+0x900/0x900
[  381.795682]  ? __might_sleep+0x95/0x190
[  381.799672]  __alloc_pages_nodemask+0xa80/0xde0
[  381.804356]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  381.809381]  ? __page_cache_alloc+0x191/0x5c0
[  381.813883]  ? xa_load+0x2e1/0x460
[  381.817434]  ? xa_clear_mark+0x40/0x40
[  381.821334]  ? zap_class+0x640/0x640
[  381.825056]  ? zap_class+0x640/0x640
[  381.828783]  ? zap_class+0x640/0x640
[  381.832504]  ? zap_class+0x640/0x640
[  381.836226]  ? __do_page_cache_readahead+0x663/0x810
[  381.841350]  ? find_held_lock+0x36/0x1c0
[  381.845424]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  381.850978]  alloc_pages_current+0x173/0x350
[  381.855404]  __page_cache_alloc+0x38c/0x5c0
[  381.859728]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.864676]  ? kasan_check_read+0x11/0x20
[  381.868829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.874121]  ? generic_perform_write+0x6a0/0x6a0
[  381.878879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.884432]  ? check_preemption_disabled+0x48/0x280
[  381.889468]  filemap_fault+0x1595/0x25f0
[  381.893555]  ? __lock_page_or_retry+0xa00/0xa00
[  381.898242]  ? mark_held_locks+0x130/0x130
[  381.902494]  ? filemap_map_pages+0xd6b/0x1a20
[  381.907000]  ? lock_downgrade+0x900/0x900
[  381.911159]  ? check_preemption_disabled+0x48/0x280
[  381.916187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  381.921142]  ? kasan_check_read+0x11/0x20
[  381.925298]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  381.930595]  ? rcu_softirq_qs+0x20/0x20
[  381.934595]  ? filemap_map_pages+0xd92/0x1a20
[  381.939103]  ? queue_work_on+0x12c/0x1e0
[  381.943181]  ? find_get_entries_tag+0x1400/0x1400
[  381.948036]  ? debug_object_destroy+0x2b0/0x2b0
[  381.952716]  ? lock_pi_update_atomic+0x150/0x150
[  381.957482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.963043]  ? lock_acquire+0x1ed/0x520
[  381.967025]  ? ext4_filemap_fault+0x7a/0xad
[  381.971364]  ? lock_release+0xa00/0xa00
[  381.975362]  ? perf_trace_sched_process_exec+0x860/0x860
[  381.980818]  ? print_usage_bug+0xc0/0xc0
[  381.984888]  ? print_usage_bug+0xc0/0xc0
[  381.988974]  ? down_read+0x8d/0x120
[  381.992608]  ? ext4_filemap_fault+0x7a/0xad
[  381.996942]  ? __down_interruptible+0x700/0x700
[  382.001640]  ext4_filemap_fault+0x82/0xad
[  382.005798]  __do_fault+0x100/0x6b0
[  382.009446]  ? find_held_lock+0x36/0x1c0
[  382.013518]  ? pmd_devmap_trans_unstable+0x220/0x220
[  382.018635]  ? mark_held_locks+0x130/0x130
[  382.022884]  ? mark_held_locks+0x130/0x130
[  382.027133]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.031636]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.036141]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  382.040743]  ? kasan_check_read+0x11/0x20
[  382.044912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.050479]  __handle_mm_fault+0x3ea0/0x5be0
[  382.054938]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  382.059797]  ? finish_task_switch+0x1f4/0x910
[  382.064317]  ? finish_task_switch+0x1b4/0x910
[  382.068824]  ? __switch_to_asm+0x34/0x70
[  382.072911]  ? preempt_notifier_register+0x200/0x200
[  382.078015]  ? __switch_to_asm+0x34/0x70
[  382.082075]  ? __switch_to_asm+0x34/0x70
[  382.086163]  ? zap_class+0x640/0x640
[  382.089885]  ? zap_class+0x640/0x640
[  382.093614]  ? __x64_sys_futex+0x53e/0x6a0
[  382.097863]  ? find_held_lock+0x36/0x1c0
[  382.101948]  ? handle_mm_fault+0x42a/0xc70
[  382.106194]  ? lock_downgrade+0x900/0x900
[  382.110364]  ? check_preemption_disabled+0x48/0x280
[  382.115400]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  382.120350]  ? kasan_check_read+0x11/0x20
[  382.124502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.129788]  ? rcu_softirq_qs+0x20/0x20
[  382.133771]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.138884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.144439]  ? check_preemption_disabled+0x48/0x280
[  382.149480]  handle_mm_fault+0x54f/0xc70
[  382.153555]  ? __handle_mm_fault+0x5be0/0x5be0
[  382.158150]  ? find_vma+0x34/0x190
[  382.161704]  __do_page_fault+0x5e8/0xe60
[  382.165793]  ? trace_hardirqs_off+0xb8/0x310
[  382.170226]  do_page_fault+0xf2/0x7e0
[  382.174045]  ? vmalloc_sync_all+0x30/0x30
[  382.178221]  ? error_entry+0x70/0xd0
[  382.181972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.187008]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.191957]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.196892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.202008]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.207033]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.212500]  ? prepare_exit_to_usermode+0x291/0x3b0
[  382.217535]  ? page_fault+0x8/0x30
[  382.221089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.225949]  ? page_fault+0x8/0x30
[  382.229504]  page_fault+0x1e/0x30
[  382.232965] RIP: 0033:0x45ddf3
[  382.236180] Code: Bad RIP value.
[  382.239552] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  382.244925] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  382.252212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  382.259495] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  382.266777] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  382.274054] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  382.281375] warn_alloc_show_mem: 1 callbacks suppressed
[  382.281388] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  382.281390] Mem-Info:
[  382.281427] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  382.281427]  active_file:15 inactive_file:15 isolated_file:0
[  382.281427]  unevictable:0 dirty:0 writeback:0 unstable:0
[  382.281427]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  382.281427]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  382.281427]  free:13750 free_pcp:296 free_cma:0
[  382.286785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.294067] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  382.296467] Call Trace:
[  382.329935] 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
[  382.339301]  <IRQ>
[  382.366825] lowmem_reserve[]: 0 2818 6321 6321
[  382.369438]  dump_stack+0x244/0x39d
[  382.395535] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  382.397701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  382.402237] lowmem_reserve[]: 0 0 3503 3503
[  382.405887]  warn_alloc.cold.116+0xb7/0x1bd
[  382.433370] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  382.438573]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  382.442859] lowmem_reserve[]: 0 0 0 0
[  382.447187]  ? lock_downgrade+0x900/0x900
[  382.476148] 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
[  382.481002]  ? trace_hardirqs_off+0xb8/0x310
[  382.484764] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  382.488916]  ? trace_hardirqs_off+0xb8/0x310
[  382.502434] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  382.506859]  __alloc_pages_slowpath+0x26e8/0x2e10
[  382.522383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.526834]  ? warn_alloc+0x120/0x120
[  382.540930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.545783]  ? print_usage_bug+0xc0/0xc0
[  382.554597] 2335 total pagecache pages
[  382.558413]  ? warn_alloc+0x120/0x120
[  382.566964] 0 pages in swap cache
[  382.571034]  ? warn_alloc+0x120/0x120
[  382.574892] Swap cache stats: add 0, delete 0, find 0/0
[  382.578694]  ? print_usage_bug+0xc0/0xc0
[  382.582117] Free swap  = 0kB
[  382.585938]  ? kvm_clock_read+0x18/0x30
[  382.585958]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  382.591311] Total swap = 0kB
[  382.595371]  ? print_usage_bug+0xc0/0xc0
[  382.598373] 1965979 pages RAM
[  382.602350]  ? __lock_acquire+0x62f/0x4c20
[  382.607340] 0 pages HighMem/MovableOnly
[  382.610363]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.614395] 342853 pages reserved
[  382.617504]  ? should_fail+0x22d/0xd01
[  382.621706] 0 pages cma reserved
[  382.621793] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.625682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.625704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.625723]  ? __lock_acquire+0x62f/0x4c20
[  382.631389] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.634695]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.638562] syz-fuzzer cpuset=/ mems_allowed=0
[  382.641926]  ? __lock_acquire+0x62f/0x4c20
[  382.641944]  ? should_fail+0x22d/0xd01
[  382.691016]  ? rcu_irq_exit+0x1a2/0x390
[  382.695015]  ? mark_held_locks+0x130/0x130
[  382.699258]  ? mark_held_locks+0x130/0x130
[  382.703506]  ? mark_held_locks+0xc7/0x130
[  382.707666]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  382.712700]  ? zap_class+0x640/0x640
[  382.716436]  ? print_usage_bug+0xc0/0xc0
[  382.720518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.726068]  ? check_preemption_disabled+0x48/0x280
[  382.731101]  ? __lock_is_held+0xb5/0x140
[  382.735180]  __alloc_pages_nodemask+0xa80/0xde0
[  382.739858]  ? zap_class+0x640/0x640
[  382.743586]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  382.748624]  ? find_held_lock+0x36/0x1c0
[  382.752709]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.757387]  ? lock_downgrade+0x900/0x900
[  382.761560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.767115]  cache_grow_begin+0xa5/0x8c0
[  382.771188]  ? do_raw_spin_unlock+0xa7/0x330
[  382.775634]  fallback_alloc+0x204/0x2e0
[  382.779619]  ____cache_alloc_node+0x1c7/0x1e0
[  382.784126]  kmem_cache_alloc_node+0xe3/0x730
[  382.788644]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.792905]  __alloc_skb+0x119/0x770
[  382.796628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  382.801919]  ? netdev_alloc_frag+0x1f0/0x1f0
[  382.806346]  ? lock_downgrade+0x900/0x900
[  382.810514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.816076]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.821537]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.827000]  ? addrconf_rs_timer+0x690/0x690
[  382.831435]  ndisc_alloc_skb+0x144/0x340
[  382.835516]  ndisc_send_rs+0x331/0x6e0
[  382.839419]  addrconf_rs_timer+0x314/0x690
[  382.843664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.847915]  call_timer_fn+0x272/0x920
[  382.851806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.856048]  ? process_timeout+0x40/0x40
[  382.860122]  ? __run_timers+0x7da/0xc70
[  382.864104]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.868601]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.873101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.877352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  382.881939]  ? trace_hardirqs_on+0xbd/0x310
[  382.886266]  ? kasan_check_read+0x11/0x20
[  382.890427]  ? __run_timers+0x7da/0xc70
[  382.894419]  ? trace_hardirqs_off_caller+0x310/0x310
[  382.899543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.903788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.908025]  __run_timers+0x7e5/0xc70
[  382.911845]  ? timer_fixup_init+0x70/0x70
[  382.916005]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.921029]  ? zap_class+0x640/0x640
[  382.924753]  ? enqueue_hrtimer+0x1a5/0x560
[  382.929000]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.934226]  ? find_held_lock+0x36/0x1c0
[  382.938311]  ? zap_class+0x640/0x640
[  382.942036]  ? pvclock_read_flags+0x160/0x160
[  382.946541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.952105]  ? check_preemption_disabled+0x48/0x280
[  382.957149]  ? __lock_is_held+0xb5/0x140
[  382.961225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.966796]  ? check_preemption_disabled+0x48/0x280
[  382.971845]  run_timer_softirq+0x52/0xb0
[  382.975934]  ? rcu_read_lock_sched_held+0x14f/0x180
[  382.980979]  __do_softirq+0x308/0xb7e
[  382.984798]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  382.989312]  ? lock_downgrade+0x900/0x900
[  382.993484]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  382.998612]  ? pvclock_read_flags+0x160/0x160
[  383.003120]  ? lapic_next_event+0x5a/0x90
[  383.007281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.012838]  ? kvm_clock_read+0x18/0x30
[  383.016829]  ? kvm_sched_clock_read+0x9/0x20
[  383.021250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.026802]  ? check_preemption_disabled+0x48/0x280
[  383.031836]  irq_exit+0x17f/0x1c0
[  383.035300]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.040159]  ? smp_reschedule_interrupt+0x109/0x650
[  383.045186]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.051095]  ? interrupt_entry+0xb5/0xc0
[  383.055175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.060209]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.065239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.070091]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.075118]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.080147]  ? task_prio+0x50/0x50
[  383.083693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.089242]  ? check_preemption_disabled+0x48/0x280
[  383.094270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.099143]  apic_timer_interrupt+0xf/0x20
[  383.103378]  </IRQ>
[  383.105631] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  383.110566] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  383.129487] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  383.137236] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  383.144512] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  383.151788] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  383.159062] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  383.166337] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  383.173662]  skb_clone+0x1bb/0x500
[  383.177211]  ? finish_task_switch+0x2f4/0x910
[  383.181715]  ? skb_split+0x11e0/0x11e0
[  383.185609]  ? preempt_notifier_register+0x200/0x200
[  383.190714]  ? __switch_to_asm+0x34/0x70
[  383.194781]  ? __switch_to_asm+0x34/0x70
[  383.198845]  ? __switch_to_asm+0x40/0x70
[  383.202908]  ? __switch_to_asm+0x34/0x70
[  383.206970]  ? __switch_to_asm+0x40/0x70
[  383.211032]  ? __switch_to_asm+0x34/0x70
[  383.215096]  ? __switch_to_asm+0x40/0x70
[  383.219157]  ? __switch_to_asm+0x34/0x70
[  383.223226]  ? __switch_to_asm+0x34/0x70
[  383.227286]  ? __switch_to_asm+0x40/0x70
[  383.231359]  ? __switch_to_asm+0x34/0x70
[  383.235436]  bpf_clone_redirect+0xb9/0x490
[  383.239681]  ? __schedule+0x8d7/0x21d0
[  383.243592]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  383.248619]  ? __sched_text_start+0x8/0x8
[  383.252773]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  383.257540]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  383.262127]  ? retint_kernel+0x2d/0x2d
[  383.266024]  ? find_held_lock+0x36/0x1c0
[  383.270097]  ? lock_acquire+0x1ed/0x520
[  383.274076]  ? bpf_test_run+0x3cb/0x780
[  383.278059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.283606]  ? check_preemption_disabled+0x48/0x280
[  383.288638]  ? kasan_check_read+0x11/0x20
[  383.292789]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.298071]  ? rcu_softirq_qs+0x20/0x20
[  383.302052]  ? preempt_schedule+0x4d/0x60
[  383.306211]  ? ___preempt_schedule+0x16/0x18
[  383.310648]  ? bpf_test_run+0x25d/0x780
[  383.314642]  ? netlink_diag_dump+0x2a0/0x2a0
[  383.319070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.324620]  ? bpf_test_init.isra.10+0x70/0x100
[  383.329313]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  383.334264]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.339113]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.344663]  ? fput+0x130/0x1a0
[  383.347949]  ? __bpf_prog_get+0x9b/0x290
[  383.352020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  383.356866]  ? bpf_prog_test_run+0x130/0x1a0
[  383.361282]  ? __x64_sys_bpf+0x3d8/0x520
[  383.365375]  ? bpf_prog_get+0x20/0x20
[  383.369224]  ? do_syscall_64+0x1b9/0x820
[  383.373290]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  383.378668]  ? syscall_return_slowpath+0x5e0/0x5e0
[  383.383604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.388464]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.393486]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  383.398509]  ? prepare_exit_to_usermode+0x291/0x3b0
[  383.403544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.408400]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  383.413791] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  383.413880] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  383.420727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  383.420733] Call Trace:
[  383.420740]  <IRQ>
[  383.420762]  dump_stack+0x244/0x39d
[  383.420781]  ? dump_stack_print_info.cold.1+0x20/0x20
[  383.427365] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  383.436628]  warn_alloc.cold.116+0xb7/0x1bd
[  383.439178] syz-executor1 cpuset=syz1 mems_allowed=0
[  383.441332]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.474868]  ? lock_downgrade+0x900/0x900
[  383.479029]  ? trace_hardirqs_off+0xb8/0x310
[  383.483462]  ? trace_hardirqs_off+0xb8/0x310
[  383.487885]  __alloc_pages_slowpath+0x26e8/0x2e10
[  383.492763]  ? warn_alloc+0x120/0x120
[  383.496574]  ? warn_alloc+0x120/0x120
[  383.500389]  ? zap_class+0x640/0x640
[  383.504106]  ? warn_alloc+0x120/0x120
[  383.507917]  ? print_usage_bug+0xc0/0xc0
[  383.511983]  ? idle_cpu+0x1d0/0x1d0
[  383.515616]  ? kvm_sched_clock_read+0x9/0x20
[  383.520035]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.525063]  ? print_usage_bug+0xc0/0xc0
[  383.529139]  ? __lock_is_held+0xb5/0x140
[  383.533211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.538764]  ? should_fail+0x22d/0xd01
[  383.542664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.547779]  ? __lock_acquire+0x62f/0x4c20
[  383.552031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.557160]  ? __lock_acquire+0x62f/0x4c20
[  383.561406]  ? should_fail+0x22d/0xd01
[  383.565322]  ? mark_held_locks+0x130/0x130
[  383.569583]  ? mark_held_locks+0x130/0x130
[  383.573830]  ? __enqueue_entity+0x10d/0x1f0
[  383.578165]  ? zap_class+0x640/0x640
[  383.581883]  ? print_usage_bug+0xc0/0xc0
[  383.585956]  ? __lock_acquire+0x62f/0x4c20
[  383.590205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.595754]  ? check_preemption_disabled+0x48/0x280
[  383.600786]  ? __lock_is_held+0xb5/0x140
[  383.604857]  __alloc_pages_nodemask+0xa80/0xde0
[  383.609530]  ? zap_class+0x640/0x640
[  383.613253]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  383.618288]  ? find_held_lock+0x36/0x1c0
[  383.622379]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.627064]  ? lock_downgrade+0x900/0x900
[  383.631224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.636777]  cache_grow_begin+0xa5/0x8c0
[  383.640854]  ? do_raw_spin_unlock+0xa7/0x330
[  383.645283]  fallback_alloc+0x204/0x2e0
[  383.649274]  ____cache_alloc_node+0x1c7/0x1e0
[  383.653789]  kmem_cache_alloc_node+0xe3/0x730
[  383.658289]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.662550]  __alloc_skb+0x119/0x770
[  383.666268]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  383.671560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  383.675973]  ? lock_downgrade+0x900/0x900
[  383.680136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.685676]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.691132]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.696587]  ? addrconf_rs_timer+0x690/0x690
[  383.701010]  ndisc_alloc_skb+0x144/0x340
[  383.705081]  ndisc_send_rs+0x331/0x6e0
[  383.708979]  addrconf_rs_timer+0x314/0x690
[  383.713220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.717473]  call_timer_fn+0x272/0x920
[  383.721390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.725634]  ? process_timeout+0x40/0x40
[  383.729710]  ? mark_held_locks+0xc7/0x130
[  383.733862]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.738368]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.742866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.747106]  ? lockdep_hardirqs_on+0x296/0x5b0
[  383.751695]  ? trace_hardirqs_on+0xbd/0x310
[  383.756027]  ? kasan_check_read+0x11/0x20
[  383.760179]  ? __run_timers+0x7da/0xc70
[  383.764157]  ? trace_hardirqs_off_caller+0x310/0x310
[  383.769280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.773523]  __run_timers+0x7e5/0xc70
[  383.777341]  ? timer_fixup_init+0x70/0x70
[  383.781499]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.786526]  ? zap_class+0x640/0x640
[  383.790246]  ? print_usage_bug+0xc0/0xc0
[  383.794324]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.799528]  ? find_held_lock+0x36/0x1c0
[  383.803628]  ? zap_class+0x640/0x640
[  383.807360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.812913]  ? check_preemption_disabled+0x48/0x280
[  383.817954]  ? __lock_is_held+0xb5/0x140
[  383.822028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.827578]  ? check_preemption_disabled+0x48/0x280
[  383.832610]  run_timer_softirq+0x52/0xb0
[  383.836682]  ? rcu_read_lock_sched_held+0x14f/0x180
[  383.841712]  __do_softirq+0x308/0xb7e
[  383.845532]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  383.850034]  ? lock_downgrade+0x900/0x900
[  383.854196]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  383.859323]  ? pvclock_read_flags+0x160/0x160
[  383.863827]  ? lapic_next_event+0x5a/0x90
[  383.867983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.873532]  ? kvm_clock_read+0x18/0x30
[  383.877513]  ? kvm_sched_clock_read+0x9/0x20
[  383.881931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.887476]  ? check_preemption_disabled+0x48/0x280
[  383.892519]  irq_exit+0x17f/0x1c0
[  383.895983]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.900832]  ? smp_reschedule_interrupt+0x109/0x650
[  383.905872]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.911779]  ? interrupt_entry+0xb5/0xc0
[  383.915849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.920871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.925898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.930757]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.935780]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.940819]  ? task_prio+0x50/0x50
[  383.944376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.949923]  ? check_preemption_disabled+0x48/0x280
[  383.954956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.959813]  apic_timer_interrupt+0xf/0x20
[  383.964045]  </IRQ>
[  383.966287] RIP: 0010:console_unlock+0x102f/0x1190
[  383.971228] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  383.990146] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  383.997870] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  384.005153] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  384.012436] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  384.019722] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  384.027002] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  384.034318]  ? netconsole_netdev_event+0x280/0x280
[  384.039276]  ? console_unlock+0x1026/0x1190
[  384.043662]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  384.048349]  ? vprintk_emit+0x846/0x990
[  384.052353]  ? lock_release+0xa00/0xa00
[  384.056349]  ? trace_hardirqs_on+0x60/0x310
[  384.060706]  ? vprintk_default+0x28/0x30
[  384.064812]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.069945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.075514]  vprintk_emit+0x391/0x990
[  384.079353]  ? wake_up_klogd+0x180/0x180
[  384.083455]  ? find_held_lock+0x1/0x1c0
[  384.087464]  ? mark_held_locks+0xc7/0x130
[  384.091642]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.096145]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.100667]  vprintk_default+0x28/0x30
[  384.104564]  vprintk_func+0x7e/0x181
[  384.108298]  printk+0xa7/0xcf
[  384.111427]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  384.116196]  ? _raw_spin_unlock_irq+0x60/0x80
[  384.120716]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  384.126017]  dump_header+0x7cc/0xf72
[  384.129750]  ? pagefault_out_of_memory+0x197/0x197
[  384.134701]  ? __lock_acquire+0x62f/0x4c20
[  384.138950]  ? percpu_ref_get_many+0x240/0x240
[  384.143546]  ? print_usage_bug+0xc0/0xc0
[  384.147629]  ? zap_class+0x640/0x640
[  384.151359]  ? print_usage_bug+0xc0/0xc0
[  384.155458]  ? zap_class+0x640/0x640
[  384.159184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.164735]  ? find_held_lock+0x36/0x1c0
[  384.168808]  ? mark_held_locks+0xc7/0x130
[  384.172964]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  384.178071]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  384.183190]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.187782]  ? trace_hardirqs_on+0xbd/0x310
[  384.192113]  ? kasan_check_read+0x11/0x20
[  384.196266]  ? ___ratelimit+0x3b4/0x672
[  384.200426]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.205536]  ? trace_hardirqs_on+0x310/0x310
[  384.209951]  ? lock_downgrade+0x900/0x900
[  384.214112]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  384.219233]  ? ___ratelimit+0x3b9/0x672
[  384.223210]  ? idr_get_free+0xf70/0xf70
[  384.227202]  ? find_held_lock+0x36/0x1c0
[  384.231278]  oom_kill_process.cold.27+0x10/0x903
[  384.236047]  ? zap_class+0x640/0x640
[  384.239767]  ? check_preemption_disabled+0x48/0x280
[  384.244795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.249734]  ? kasan_check_read+0x11/0x20
[  384.253890]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.259179]  ? oom_evaluate_task+0x540/0x540
[  384.263601]  ? find_held_lock+0x36/0x1c0
[  384.267678]  ? out_of_memory+0x974/0x1430
[  384.271833]  ? lock_downgrade+0x900/0x900
[  384.275989]  ? check_preemption_disabled+0x48/0x280
[  384.281013]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.285952]  ? kasan_check_read+0x11/0x20
[  384.290102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.295397]  ? rcu_softirq_qs+0x20/0x20
[  384.299385]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.304930]  ? oom_evaluate_task+0x302/0x540
[  384.309352]  out_of_memory+0xa84/0x1430
[  384.313347]  ? oom_killer_disable+0x3a0/0x3a0
[  384.317854]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  384.322797]  ? __ww_mutex_check_waiters+0x160/0x160
[  384.327830]  __alloc_pages_slowpath+0x2354/0x2e10
[  384.332707]  ? warn_alloc+0x120/0x120
[  384.336549]  ? mark_held_locks+0x130/0x130
[  384.340798]  ? find_get_entry+0xaae/0x1120
[  384.345055]  ? filemap_map_pages+0x1a20/0x1a20
[  384.349652]  ? zap_class+0x640/0x640
[  384.353392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.358943]  ? check_preemption_disabled+0x48/0x280
[  384.363970]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.369516]  ? should_fail+0x22d/0xd01
[  384.373412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.378525]  ? zap_class+0x640/0x640
[  384.382269]  ? __lock_is_held+0xb5/0x140
[  384.386354]  ? mark_held_locks+0x130/0x130
[  384.390595]  ? lock_release+0xa00/0xa00
[  384.394589]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.400058]  ? xa_load+0x2ba/0x460
[  384.403604]  ? lock_downgrade+0x900/0x900
[  384.407761]  ? __might_sleep+0x95/0x190
[  384.411745]  __alloc_pages_nodemask+0xa80/0xde0
[  384.416433]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  384.421462]  ? __page_cache_alloc+0x191/0x5c0
[  384.425966]  ? xa_load+0x2e1/0x460
[  384.429523]  ? xa_clear_mark+0x40/0x40
[  384.433428]  ? zap_class+0x640/0x640
[  384.437157]  ? zap_class+0x640/0x640
[  384.440889]  ? zap_class+0x640/0x640
[  384.444615]  ? zap_class+0x640/0x640
[  384.448345]  ? __do_page_cache_readahead+0x663/0x810
[  384.453466]  ? find_held_lock+0x36/0x1c0
[  384.457541]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  384.463092]  alloc_pages_current+0x173/0x350
[  384.467517]  __page_cache_alloc+0x38c/0x5c0
[  384.471842]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.476777]  ? kasan_check_read+0x11/0x20
[  384.480932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.486231]  ? generic_perform_write+0x6a0/0x6a0
[  384.490997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.496549]  ? check_preemption_disabled+0x48/0x280
[  384.501587]  filemap_fault+0x1595/0x25f0
[  384.505671]  ? __lock_page_or_retry+0xa00/0xa00
[  384.510351]  ? mark_held_locks+0x130/0x130
[  384.514601]  ? filemap_map_pages+0xd6b/0x1a20
[  384.519103]  ? lock_downgrade+0x900/0x900
[  384.523255]  ? check_preemption_disabled+0x48/0x280
[  384.528281]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.533221]  ? kasan_check_read+0x11/0x20
[  384.537372]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.542653]  ? rcu_softirq_qs+0x20/0x20
[  384.546655]  ? filemap_map_pages+0xd92/0x1a20
[  384.551166]  ? queue_work_on+0x12c/0x1e0
[  384.555242]  ? find_get_entries_tag+0x1400/0x1400
[  384.560093]  ? debug_object_destroy+0x2b0/0x2b0
[  384.564774]  ? lock_pi_update_atomic+0x150/0x150
[  384.569535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.575093]  ? lock_acquire+0x1ed/0x520
[  384.579070]  ? ext4_filemap_fault+0x7a/0xad
[  384.583409]  ? lock_release+0xa00/0xa00
[  384.587388]  ? perf_trace_sched_process_exec+0x860/0x860
[  384.592850]  ? print_usage_bug+0xc0/0xc0
[  384.596934]  ? print_usage_bug+0xc0/0xc0
[  384.601017]  ? down_read+0x8d/0x120
[  384.604653]  ? ext4_filemap_fault+0x7a/0xad
[  384.608987]  ? __down_interruptible+0x700/0x700
[  384.613688]  ext4_filemap_fault+0x82/0xad
[  384.617851]  __do_fault+0x100/0x6b0
[  384.621493]  ? find_held_lock+0x36/0x1c0
[  384.625575]  ? pmd_devmap_trans_unstable+0x220/0x220
[  384.630693]  ? mark_held_locks+0x130/0x130
[  384.634940]  ? mark_held_locks+0x130/0x130
[  384.639189]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.643690]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.648195]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  384.652792]  ? kasan_check_read+0x11/0x20
[  384.656951]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.662500]  __handle_mm_fault+0x3ea0/0x5be0
[  384.666940]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  384.671794]  ? finish_task_switch+0x1f4/0x910
[  384.676298]  ? finish_task_switch+0x1b4/0x910
[  384.680808]  ? __switch_to_asm+0x34/0x70
[  384.684877]  ? preempt_notifier_register+0x200/0x200
[  384.689993]  ? __switch_to_asm+0x34/0x70
[  384.694054]  ? __switch_to_asm+0x34/0x70
[  384.698133]  ? zap_class+0x640/0x640
[  384.701848]  ? zap_class+0x640/0x640
[  384.705609]  ? __x64_sys_futex+0x53e/0x6a0
[  384.709855]  ? find_held_lock+0x36/0x1c0
[  384.713944]  ? handle_mm_fault+0x42a/0xc70
[  384.718187]  ? lock_downgrade+0x900/0x900
[  384.722360]  ? check_preemption_disabled+0x48/0x280
[  384.727401]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  384.732352]  ? kasan_check_read+0x11/0x20
[  384.736508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  384.741788]  ? rcu_softirq_qs+0x20/0x20
[  384.745767]  ? trace_hardirqs_off_caller+0x310/0x310
[  384.750878]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.756432]  ? check_preemption_disabled+0x48/0x280
[  384.761468]  handle_mm_fault+0x54f/0xc70
[  384.765540]  ? __handle_mm_fault+0x5be0/0x5be0
[  384.770132]  ? find_vma+0x34/0x190
[  384.773683]  __do_page_fault+0x5e8/0xe60
[  384.777762]  ? trace_hardirqs_off+0xb8/0x310
[  384.782187]  do_page_fault+0xf2/0x7e0
[  384.786001]  ? vmalloc_sync_all+0x30/0x30
[  384.790155]  ? error_entry+0x70/0xd0
[  384.793875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  384.798901]  ? trace_hardirqs_on_caller+0xc0/0x310
[  384.803846]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.808785]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.813635]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.818660]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.824135]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.829258]  ? page_fault+0x8/0x30
[  384.832829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.837684]  ? page_fault+0x8/0x30
[  384.841230]  page_fault+0x1e/0x30
[  384.844690] RIP: 0033:0x45ddf3
[  384.847921] Code: Bad RIP value.
[  384.851285] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  384.856658] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  384.863934] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  384.871216] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  384.878486] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  384.885760] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  384.893059] warn_alloc_show_mem: 1 callbacks suppressed
[  384.893072] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  384.893074] Mem-Info:
[  384.893114] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  384.893114]  active_file:15 inactive_file:15 isolated_file:0
[  384.893114]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.893114]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  384.893114]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  384.893114]  free:13750 free_pcp:296 free_cma:0
[  384.898462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.898471] Call Trace:
[  384.905755] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.908152]  <IRQ>
[  384.941211] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  384.950593]  dump_stack+0x244/0x39d
[  384.953148] lowmem_reserve[]: 0 2818 6321 6321
[  384.980670]  ? dump_stack_print_info.cold.1+0x20/0x20
[  384.982805] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  385.008950]  warn_alloc.cold.116+0xb7/0x1bd
[  385.012555] lowmem_reserve[]: 0 0 3503 3503
[  385.017150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.022317] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  385.049846]  ? lock_downgrade+0x900/0x900
[  385.054141] lowmem_reserve[]: 0 0 0 0
[  385.058474]  ? trace_hardirqs_off+0xb8/0x310
[  385.063284] 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
[  385.092290]  ? trace_hardirqs_off+0xb8/0x310
[  385.096425] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  385.100238]  __alloc_pages_slowpath+0x26e8/0x2e10
[  385.104614] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  385.118173]  ? warn_alloc+0x120/0x120
[  385.122551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  385.138089]  ? print_usage_bug+0xc0/0xc0
[  385.142928] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  385.157086]  ? warn_alloc+0x120/0x120
[  385.160866] 2335 total pagecache pages
[  385.169715]  ? warn_alloc+0x120/0x120
[  385.173757] 0 pages in swap cache
[  385.182350]  ? print_usage_bug+0xc0/0xc0
[  385.186127] Swap cache stats: add 0, delete 0, find 0/0
[  385.190019]  ? kvm_clock_read+0x18/0x30
[  385.193792] Free swap  = 0kB
[  385.197248]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  385.201281] Total swap = 0kB
[  385.206665]  ? print_usage_bug+0xc0/0xc0
[  385.210615] 1965979 pages RAM
[  385.213637]  ? __lock_acquire+0x62f/0x4c20
[  385.218632] 0 pages HighMem/MovableOnly
[  385.221658]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.225686] 342853 pages reserved
[  385.228795]  ? should_fail+0x22d/0xd01
[  385.233005] 0 pages cma reserved
[  385.237006]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.242591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.245967]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.245985]  ? __lock_acquire+0x62f/0x4c20
[  385.246003]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.249948] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.253257]  ? __lock_acquire+0x62f/0x4c20
[  385.258511] syz-fuzzer cpuset=/ mems_allowed=0
[  385.265010]  ? should_fail+0x22d/0xd01
[  385.302330]  ? rcu_irq_exit+0x1a2/0x390
[  385.306332]  ? mark_held_locks+0x130/0x130
[  385.310580]  ? mark_held_locks+0x130/0x130
[  385.314825]  ? mark_held_locks+0xc7/0x130
[  385.318981]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.324017]  ? zap_class+0x640/0x640
[  385.327734]  ? print_usage_bug+0xc0/0xc0
[  385.331968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.337512]  ? check_preemption_disabled+0x48/0x280
[  385.342543]  ? __lock_is_held+0xb5/0x140
[  385.346615]  __alloc_pages_nodemask+0xa80/0xde0
[  385.351289]  ? zap_class+0x640/0x640
[  385.355029]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  385.360063]  ? find_held_lock+0x36/0x1c0
[  385.364145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.368823]  ? lock_downgrade+0x900/0x900
[  385.372987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.378534]  cache_grow_begin+0xa5/0x8c0
[  385.382605]  ? do_raw_spin_unlock+0xa7/0x330
[  385.387024]  fallback_alloc+0x204/0x2e0
[  385.391007]  ____cache_alloc_node+0x1c7/0x1e0
[  385.395513]  kmem_cache_alloc_node+0xe3/0x730
[  385.400013]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.404273]  __alloc_skb+0x119/0x770
[  385.408000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.413287]  ? netdev_alloc_frag+0x1f0/0x1f0
[  385.417709]  ? lock_downgrade+0x900/0x900
[  385.421868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.427414]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.432874]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.438339]  ? addrconf_rs_timer+0x690/0x690
[  385.442768]  ndisc_alloc_skb+0x144/0x340
[  385.446837]  ndisc_send_rs+0x331/0x6e0
[  385.450733]  addrconf_rs_timer+0x314/0x690
[  385.454977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.459231]  call_timer_fn+0x272/0x920
[  385.463122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.467359]  ? process_timeout+0x40/0x40
[  385.471437]  ? __run_timers+0x7da/0xc70
[  385.475422]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.479914]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.484422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.488666]  ? lockdep_hardirqs_on+0x296/0x5b0
[  385.493269]  ? trace_hardirqs_on+0xbd/0x310
[  385.497615]  ? kasan_check_read+0x11/0x20
[  385.501764]  ? __run_timers+0x7da/0xc70
[  385.505743]  ? trace_hardirqs_off_caller+0x310/0x310
[  385.510855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.515101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.519345]  __run_timers+0x7e5/0xc70
[  385.523163]  ? timer_fixup_init+0x70/0x70
[  385.527339]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.532363]  ? zap_class+0x640/0x640
[  385.536082]  ? enqueue_hrtimer+0x1a5/0x560
[  385.540329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.545532]  ? find_held_lock+0x36/0x1c0
[  385.549610]  ? zap_class+0x640/0x640
[  385.553381]  ? pvclock_read_flags+0x160/0x160
[  385.557889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.563435]  ? check_preemption_disabled+0x48/0x280
[  385.568467]  ? __lock_is_held+0xb5/0x140
[  385.572544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.578098]  ? check_preemption_disabled+0x48/0x280
[  385.583136]  run_timer_softirq+0x52/0xb0
[  385.587201]  ? rcu_read_lock_sched_held+0x14f/0x180
[  385.592225]  __do_softirq+0x308/0xb7e
[  385.596037]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  385.600536]  ? lock_downgrade+0x900/0x900
[  385.604693]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  385.609808]  ? pvclock_read_flags+0x160/0x160
[  385.614321]  ? lapic_next_event+0x5a/0x90
[  385.618479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.624028]  ? kvm_clock_read+0x18/0x30
[  385.628007]  ? kvm_sched_clock_read+0x9/0x20
[  385.632427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.637975]  ? check_preemption_disabled+0x48/0x280
[  385.643003]  irq_exit+0x17f/0x1c0
[  385.646465]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.651317]  ? smp_reschedule_interrupt+0x109/0x650
[  385.656346]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.662233]  ? interrupt_entry+0xb5/0xc0
[  385.666311]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.671341]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.676374]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.681221]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.686238]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.691261]  ? task_prio+0x50/0x50
[  385.694814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.700372]  ? check_preemption_disabled+0x48/0x280
[  385.705418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.710278]  apic_timer_interrupt+0xf/0x20
[  385.714520]  </IRQ>
[  385.716769] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  385.721707] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  385.740628] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.748349] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.755624] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  385.762909] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  385.770186] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  385.777470] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  385.784808]  skb_clone+0x1bb/0x500
[  385.788362]  ? finish_task_switch+0x2f4/0x910
[  385.792871]  ? skb_split+0x11e0/0x11e0
[  385.796763]  ? preempt_notifier_register+0x200/0x200
[  385.801869]  ? __switch_to_asm+0x34/0x70
[  385.805931]  ? __switch_to_asm+0x34/0x70
[  385.809993]  ? __switch_to_asm+0x40/0x70
[  385.814053]  ? __switch_to_asm+0x34/0x70
[  385.818116]  ? __switch_to_asm+0x40/0x70
[  385.822178]  ? __switch_to_asm+0x34/0x70
[  385.826239]  ? __switch_to_asm+0x40/0x70
[  385.830300]  ? __switch_to_asm+0x34/0x70
[  385.834378]  ? __switch_to_asm+0x34/0x70
[  385.838462]  ? __switch_to_asm+0x40/0x70
[  385.842525]  ? __switch_to_asm+0x34/0x70
[  385.846611]  bpf_clone_redirect+0xb9/0x490
[  385.850857]  ? __schedule+0x8d7/0x21d0
[  385.854757]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  385.859785]  ? __sched_text_start+0x8/0x8
[  385.863954]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  385.868724]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  385.873330]  ? retint_kernel+0x2d/0x2d
[  385.877256]  ? find_held_lock+0x36/0x1c0
[  385.881378]  ? lock_acquire+0x1ed/0x520
[  385.885368]  ? bpf_test_run+0x3cb/0x780
[  385.889350]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.894901]  ? check_preemption_disabled+0x48/0x280
[  385.899940]  ? kasan_check_read+0x11/0x20
[  385.904094]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  385.909381]  ? rcu_softirq_qs+0x20/0x20
[  385.913368]  ? preempt_schedule+0x4d/0x60
[  385.917526]  ? ___preempt_schedule+0x16/0x18
[  385.921954]  ? bpf_test_run+0x25d/0x780
[  385.925947]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.930369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.935913]  ? bpf_test_init.isra.10+0x70/0x100
[  385.940598]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  385.945402]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.950261]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.955803]  ? fput+0x130/0x1a0
[  385.959089]  ? __bpf_prog_get+0x9b/0x290
[  385.963159]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  385.968009]  ? bpf_prog_test_run+0x130/0x1a0
[  385.972433]  ? __x64_sys_bpf+0x3d8/0x520
[  385.976501]  ? bpf_prog_get+0x20/0x20
[  385.980332]  ? do_syscall_64+0x1b9/0x820
[  385.984425]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.989800]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.994732]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.999595]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.004643]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  386.009671]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.014700]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.019556]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  386.024947] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  386.025040] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  386.031893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.031899] Call Trace:
[  386.031911]  <IRQ>
[  386.031937]  dump_stack+0x244/0x39d
[  386.031956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  386.038546] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  386.047825]  warn_alloc.cold.116+0xb7/0x1bd
[  386.050389] syz-executor1 cpuset=syz1 mems_allowed=0
[  386.052563]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.086080]  ? lock_downgrade+0x900/0x900
[  386.090254]  ? trace_hardirqs_off+0xb8/0x310
[  386.094684]  ? trace_hardirqs_off+0xb8/0x310
[  386.099117]  __alloc_pages_slowpath+0x26e8/0x2e10
[  386.104005]  ? warn_alloc+0x120/0x120
[  386.107817]  ? print_usage_bug+0xc0/0xc0
[  386.111896]  ? warn_alloc+0x120/0x120
[  386.115715]  ? warn_alloc+0x120/0x120
[  386.119528]  ? print_usage_bug+0xc0/0xc0
[  386.123600]  ? print_usage_bug+0xc0/0xc0
[  386.127668]  ? __lock_acquire+0x62f/0x4c20
[  386.131920]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.137466]  ? should_fail+0x22d/0xd01
[  386.141365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.146482]  ? __lock_acquire+0x62f/0x4c20
[  386.150728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.155837]  ? __lock_acquire+0x62f/0x4c20
[  386.160075]  ? should_fail+0x22d/0xd01
[  386.163971]  ? find_held_lock+0x36/0x1c0
[  386.168042]  ? mark_held_locks+0x130/0x130
[  386.172284]  ? mark_held_locks+0x130/0x130
[  386.176532]  ? zap_class+0x640/0x640
[  386.180247]  ? zap_class+0x640/0x640
[  386.183967]  ? print_usage_bug+0xc0/0xc0
[  386.188027]  ? do_raw_spin_unlock+0xa7/0x330
[  386.192444]  ? zap_class+0x640/0x640
[  386.196165]  ? print_usage_bug+0xc0/0xc0
[  386.200469]  ? wq_watchdog_touch+0x9c/0xfe
[  386.204716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.210278]  ? check_preemption_disabled+0x48/0x280
[  386.215329]  ? __lock_is_held+0xb5/0x140
[  386.219409]  __alloc_pages_nodemask+0xa80/0xde0
[  386.224099]  ? zap_class+0x640/0x640
[  386.227824]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  386.232859]  ? find_held_lock+0x36/0x1c0
[  386.236940]  ? ____cache_alloc_node+0x1c7/0x1e0
[  386.241620]  ? lock_downgrade+0x900/0x900
[  386.245784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.251348]  cache_grow_begin+0xa5/0x8c0
[  386.255684]  ? do_raw_spin_unlock+0xa7/0x330
[  386.260110]  fallback_alloc+0x204/0x2e0
[  386.264100]  ____cache_alloc_node+0x1c7/0x1e0
[  386.268608]  kmem_cache_alloc_node+0xe3/0x730
[  386.273110]  ? ipv6_get_ifaddr+0x42e/0x620
[  386.277358]  __alloc_skb+0x119/0x770
[  386.281076]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.286361]  ? netdev_alloc_frag+0x1f0/0x1f0
[  386.290776]  ? lock_downgrade+0x900/0x900
[  386.294938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.300483]  ? refcount_sub_and_test_checked+0x203/0x310
[  386.305947]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  386.311404]  ? addrconf_rs_timer+0x690/0x690
[  386.315830]  ndisc_alloc_skb+0x144/0x340
[  386.319901]  ndisc_send_rs+0x331/0x6e0
[  386.323803]  addrconf_rs_timer+0x314/0x690
[  386.328051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.332299]  call_timer_fn+0x272/0x920
[  386.336201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.340440]  ? process_timeout+0x40/0x40
[  386.344520]  ? mark_held_locks+0xc7/0x130
[  386.348679]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.353175]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.357676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.361924]  ? lockdep_hardirqs_on+0x296/0x5b0
[  386.366523]  ? trace_hardirqs_on+0xbd/0x310
[  386.370850]  ? kasan_check_read+0x11/0x20
[  386.375001]  ? __run_timers+0x7da/0xc70
[  386.378984]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.384128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.388374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  386.392613]  __run_timers+0x7e5/0xc70
[  386.396438]  ? timer_fixup_init+0x70/0x70
[  386.400595]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.405615]  ? zap_class+0x640/0x640
[  386.409344]  ? print_usage_bug+0xc0/0xc0
[  386.413417]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  386.418620]  ? find_held_lock+0x36/0x1c0
[  386.422692]  ? zap_class+0x640/0x640
[  386.426422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.431973]  ? check_preemption_disabled+0x48/0x280
[  386.437009]  ? __lock_is_held+0xb5/0x140
[  386.441075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.446653]  ? check_preemption_disabled+0x48/0x280
[  386.451685]  run_timer_softirq+0x52/0xb0
[  386.455755]  ? rcu_read_lock_sched_held+0x14f/0x180
[  386.460781]  __do_softirq+0x308/0xb7e
[  386.464596]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  386.469096]  ? lock_downgrade+0x900/0x900
[  386.473300]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  386.478434]  ? pvclock_read_flags+0x160/0x160
[  386.482941]  ? lapic_next_event+0x5a/0x90
[  386.487099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.492653]  ? kvm_clock_read+0x18/0x30
[  386.496654]  ? kvm_sched_clock_read+0x9/0x20
[  386.501077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.506631]  ? check_preemption_disabled+0x48/0x280
[  386.511667]  irq_exit+0x17f/0x1c0
[  386.515135]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.519984]  ? smp_reschedule_interrupt+0x109/0x650
[  386.525009]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.530897]  ? interrupt_entry+0xb5/0xc0
[  386.534973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.539991]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.545015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.549864]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.554882]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.559910]  ? task_prio+0x50/0x50
[  386.563458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.569003]  ? check_preemption_disabled+0x48/0x280
[  386.574050]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.578903]  apic_timer_interrupt+0xf/0x20
[  386.583144]  </IRQ>
[  386.585386] RIP: 0010:console_unlock+0x102f/0x1190
[  386.590360] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  386.609269] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  386.616998] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  386.624270] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  386.631551] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  386.638822] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  386.646091] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  386.653380]  ? netconsole_netdev_event+0x280/0x280
[  386.658347]  ? console_unlock+0x1026/0x1190
[  386.662697]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  386.667371]  ? vprintk_emit+0x846/0x990
[  386.671359]  ? lock_release+0xa00/0xa00
[  386.675376]  ? trace_hardirqs_on+0x60/0x310
[  386.679698]  ? vprintk_default+0x28/0x30
[  386.683764]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.688878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.694441]  vprintk_emit+0x391/0x990
[  386.698251]  ? wake_up_klogd+0x180/0x180
[  386.702336]  ? find_held_lock+0x1/0x1c0
[  386.706337]  ? mark_held_locks+0xc7/0x130
[  386.710494]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.714995]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.719501]  vprintk_default+0x28/0x30
[  386.723395]  vprintk_func+0x7e/0x181
[  386.727121]  printk+0xa7/0xcf
[  386.730230]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  386.734995]  ? _raw_spin_unlock_irq+0x60/0x80
[  386.739509]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  386.744798]  dump_header+0x7cc/0xf72
[  386.748540]  ? pagefault_out_of_memory+0x197/0x197
[  386.753486]  ? __lock_acquire+0x62f/0x4c20
[  386.757734]  ? percpu_ref_get_many+0x240/0x240
[  386.762334]  ? print_usage_bug+0xc0/0xc0
[  386.766411]  ? zap_class+0x640/0x640
[  386.770133]  ? print_usage_bug+0xc0/0xc0
[  386.774213]  ? zap_class+0x640/0x640
[  386.777988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.783536]  ? find_held_lock+0x36/0x1c0
[  386.787609]  ? mark_held_locks+0xc7/0x130
[  386.791761]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.796868]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  386.801976]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  386.806569]  ? trace_hardirqs_on+0xbd/0x310
[  386.810897]  ? kasan_check_read+0x11/0x20
[  386.815058]  ? ___ratelimit+0x3b4/0x672
[  386.819043]  ? trace_hardirqs_off_caller+0x310/0x310
[  386.824153]  ? trace_hardirqs_on+0x310/0x310
[  386.828571]  ? lock_downgrade+0x900/0x900
[  386.832742]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  386.837850]  ? ___ratelimit+0x3b9/0x672
[  386.841829]  ? idr_get_free+0xf70/0xf70
[  386.845809]  ? find_held_lock+0x36/0x1c0
[  386.849884]  oom_kill_process.cold.27+0x10/0x903
[  386.854648]  ? zap_class+0x640/0x640
[  386.858371]  ? check_preemption_disabled+0x48/0x280
[  386.863394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.868338]  ? kasan_check_read+0x11/0x20
[  386.872489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.877784]  ? oom_evaluate_task+0x540/0x540
[  386.882196]  ? find_held_lock+0x36/0x1c0
[  386.886271]  ? out_of_memory+0x974/0x1430
[  386.890436]  ? lock_downgrade+0x900/0x900
[  386.894588]  ? check_preemption_disabled+0x48/0x280
[  386.899625]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  386.904562]  ? kasan_check_read+0x11/0x20
[  386.908715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  386.913993]  ? rcu_softirq_qs+0x20/0x20
[  386.917978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.923522]  ? oom_evaluate_task+0x302/0x540
[  386.927942]  out_of_memory+0xa84/0x1430
[  386.931935]  ? oom_killer_disable+0x3a0/0x3a0
[  386.936441]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  386.941385]  ? __ww_mutex_check_waiters+0x160/0x160
[  386.946421]  __alloc_pages_slowpath+0x2354/0x2e10
[  386.951299]  ? warn_alloc+0x120/0x120
[  386.955119]  ? mark_held_locks+0x130/0x130
[  386.959364]  ? find_get_entry+0xaae/0x1120
[  386.963610]  ? filemap_map_pages+0x1a20/0x1a20
[  386.968204]  ? zap_class+0x640/0x640
[  386.971948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.977489]  ? check_preemption_disabled+0x48/0x280
[  386.982503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.988048]  ? should_fail+0x22d/0xd01
[  386.991950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  386.997065]  ? zap_class+0x640/0x640
[  387.000810]  ? __lock_is_held+0xb5/0x140
[  387.004884]  ? mark_held_locks+0x130/0x130
[  387.009129]  ? lock_release+0xa00/0xa00
[  387.013106]  ? perf_trace_sched_process_exec+0x860/0x860
[  387.018561]  ? xa_load+0x2ba/0x460
[  387.022108]  ? lock_downgrade+0x900/0x900
[  387.026276]  ? __might_sleep+0x95/0x190
[  387.030269]  __alloc_pages_nodemask+0xa80/0xde0
[  387.034962]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.039995]  ? __page_cache_alloc+0x191/0x5c0
[  387.044496]  ? xa_load+0x2e1/0x460
[  387.048042]  ? xa_clear_mark+0x40/0x40
[  387.051938]  ? zap_class+0x640/0x640
[  387.055657]  ? zap_class+0x640/0x640
[  387.059394]  ? zap_class+0x640/0x640
[  387.063113]  ? zap_class+0x640/0x640
[  387.066832]  ? __do_page_cache_readahead+0x663/0x810
[  387.071958]  ? find_held_lock+0x36/0x1c0
[  387.076044]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  387.081621]  alloc_pages_current+0x173/0x350
[  387.086041]  __page_cache_alloc+0x38c/0x5c0
[  387.090366]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.095302]  ? kasan_check_read+0x11/0x20
[  387.099465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.104756]  ? generic_perform_write+0x6a0/0x6a0
[  387.109520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.115063]  ? check_preemption_disabled+0x48/0x280
[  387.120098]  filemap_fault+0x1595/0x25f0
[  387.124178]  ? __lock_page_or_retry+0xa00/0xa00
[  387.128858]  ? mark_held_locks+0x130/0x130
[  387.133113]  ? filemap_map_pages+0xd6b/0x1a20
[  387.137618]  ? lock_downgrade+0x900/0x900
[  387.141774]  ? check_preemption_disabled+0x48/0x280
[  387.146821]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.151759]  ? kasan_check_read+0x11/0x20
[  387.155940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.161234]  ? rcu_softirq_qs+0x20/0x20
[  387.165230]  ? filemap_map_pages+0xd92/0x1a20
[  387.169740]  ? queue_work_on+0x12c/0x1e0
[  387.173825]  ? find_get_entries_tag+0x1400/0x1400
[  387.178678]  ? debug_object_destroy+0x2b0/0x2b0
[  387.183366]  ? lock_pi_update_atomic+0x150/0x150
[  387.188131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.193690]  ? lock_acquire+0x1ed/0x520
[  387.197672]  ? ext4_filemap_fault+0x7a/0xad
[  387.202011]  ? lock_release+0xa00/0xa00
[  387.205995]  ? perf_trace_sched_process_exec+0x860/0x860
[  387.211459]  ? print_usage_bug+0xc0/0xc0
[  387.215528]  ? print_usage_bug+0xc0/0xc0
[  387.219613]  ? down_read+0x8d/0x120
[  387.223243]  ? ext4_filemap_fault+0x7a/0xad
[  387.227577]  ? __down_interruptible+0x700/0x700
[  387.232266]  ext4_filemap_fault+0x82/0xad
[  387.236430]  __do_fault+0x100/0x6b0
[  387.240069]  ? find_held_lock+0x36/0x1c0
[  387.244138]  ? pmd_devmap_trans_unstable+0x220/0x220
[  387.249253]  ? mark_held_locks+0x130/0x130
[  387.253499]  ? mark_held_locks+0x130/0x130
[  387.257739]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.262251]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.266758]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  387.271353]  ? kasan_check_read+0x11/0x20
[  387.275540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.281114]  __handle_mm_fault+0x3ea0/0x5be0
[  387.285539]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  387.290394]  ? finish_task_switch+0x1f4/0x910
[  387.294896]  ? finish_task_switch+0x1b4/0x910
[  387.299405]  ? __switch_to_asm+0x34/0x70
[  387.303475]  ? preempt_notifier_register+0x200/0x200
[  387.308583]  ? __switch_to_asm+0x34/0x70
[  387.312644]  ? __switch_to_asm+0x34/0x70
[  387.316728]  ? zap_class+0x640/0x640
[  387.320454]  ? zap_class+0x640/0x640
[  387.324171]  ? __x64_sys_futex+0x53e/0x6a0
[  387.328417]  ? find_held_lock+0x36/0x1c0
[  387.333027]  ? handle_mm_fault+0x42a/0xc70
[  387.337269]  ? lock_downgrade+0x900/0x900
[  387.341428]  ? check_preemption_disabled+0x48/0x280
[  387.346457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  387.351397]  ? kasan_check_read+0x11/0x20
[  387.355898]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.361182]  ? rcu_softirq_qs+0x20/0x20
[  387.365160]  ? trace_hardirqs_off_caller+0x310/0x310
[  387.370277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.375825]  ? check_preemption_disabled+0x48/0x280
[  387.380867]  handle_mm_fault+0x54f/0xc70
[  387.384959]  ? __handle_mm_fault+0x5be0/0x5be0
[  387.389566]  ? find_vma+0x34/0x190
[  387.393119]  __do_page_fault+0x5e8/0xe60
[  387.397182]  ? trace_hardirqs_off+0xb8/0x310
[  387.401608]  do_page_fault+0xf2/0x7e0
[  387.405419]  ? vmalloc_sync_all+0x30/0x30
[  387.409572]  ? error_entry+0x70/0xd0
[  387.413291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.418323]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.423261]  ? syscall_return_slowpath+0x5e0/0x5e0
[  387.428196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.433046]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.438068]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.443533]  ? prepare_exit_to_usermode+0x291/0x3b0
[  387.448553]  ? page_fault+0x8/0x30
[  387.452099]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.456950]  ? page_fault+0x8/0x30
[  387.460494]  page_fault+0x1e/0x30
[  387.463950] RIP: 0033:0x45ddf3
[  387.467166] Code: Bad RIP value.
[  387.470542] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  387.475930] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  387.483197] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  387.490467] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  387.497742] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  387.505014] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  387.512322] warn_alloc_show_mem: 1 callbacks suppressed
[  387.512335] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  387.512337] Mem-Info:
[  387.512370] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  387.512370]  active_file:15 inactive_file:15 isolated_file:0
[  387.512370]  unevictable:0 dirty:0 writeback:0 unstable:0
[  387.512370]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  387.512370]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  387.512370]  free:13750 free_pcp:296 free_cma:0
[  387.517717] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  387.525012] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  387.527414] Call Trace:
[  387.560474] 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
[  387.569827]  <IRQ>
[  387.597361] lowmem_reserve[]: 0 2818 6321 6321
[  387.599965]  dump_stack+0x244/0x39d
[  387.626061] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  387.628229]  ? dump_stack_print_info.cold.1+0x20/0x20
[  387.632769] lowmem_reserve[]: 0 0 3503 3503
[  387.636409]  warn_alloc.cold.116+0xb7/0x1bd
[  387.663886] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  387.669093]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  387.673378] lowmem_reserve[]: 0 0 0 0
[  387.677742]  ? lock_downgrade+0x900/0x900
[  387.706709] 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
[  387.711578]  ? trace_hardirqs_off+0xb8/0x310
[  387.715345] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  387.719495]  ? trace_hardirqs_off+0xb8/0x310
[  387.733001] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  387.737427]  __alloc_pages_slowpath+0x26e8/0x2e10
[  387.752922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.757365]  ? warn_alloc+0x120/0x120
[  387.771460] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.776300]  ? print_usage_bug+0xc0/0xc0
[  387.785110] 2335 total pagecache pages
[  387.788912]  ? warn_alloc+0x120/0x120
[  387.797473] 0 pages in swap cache
[  387.801535]  ? warn_alloc+0x120/0x120
[  387.805403] Swap cache stats: add 0, delete 0, find 0/0
[  387.809202]  ? print_usage_bug+0xc0/0xc0
[  387.812629] Free swap  = 0kB
[  387.816424]  ? kvm_clock_read+0x18/0x30
[  387.821765] Total swap = 0kB
[  387.825824]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  387.828818] 1965979 pages RAM
[  387.832790]  ? print_usage_bug+0xc0/0xc0
[  387.835780] 0 pages HighMem/MovableOnly
[  387.840808]  ? __lock_acquire+0x62f/0x4c20
[  387.843894] 342853 pages reserved
[  387.847967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.851915] 0 pages cma reserved
[  387.856148]  ? should_fail+0x22d/0xd01
[  387.859656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.865104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  387.865124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.868607] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.872370]  ? __lock_acquire+0x62f/0x4c20
[  387.878863] syz-fuzzer cpuset=/ mems_allowed=0
[  387.884142]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.913335]  ? __lock_acquire+0x62f/0x4c20
[  387.917575]  ? should_fail+0x22d/0xd01
[  387.921462]  ? rcu_irq_exit+0x1a2/0x390
[  387.925456]  ? mark_held_locks+0x130/0x130
[  387.929700]  ? mark_held_locks+0x130/0x130
[  387.933958]  ? mark_held_locks+0xc7/0x130
[  387.938115]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.943138]  ? zap_class+0x640/0x640
[  387.946857]  ? print_usage_bug+0xc0/0xc0
[  387.950933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.956480]  ? check_preemption_disabled+0x48/0x280
[  387.961513]  ? __lock_is_held+0xb5/0x140
[  387.965586]  __alloc_pages_nodemask+0xa80/0xde0
[  387.970260]  ? zap_class+0x640/0x640
[  387.973984]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  387.979023]  ? find_held_lock+0x36/0x1c0
[  387.983130]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.987807]  ? lock_downgrade+0x900/0x900
[  387.991972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.997521]  cache_grow_begin+0xa5/0x8c0
[  388.001589]  ? do_raw_spin_unlock+0xa7/0x330
[  388.006010]  fallback_alloc+0x204/0x2e0
[  388.010001]  ____cache_alloc_node+0x1c7/0x1e0
[  388.014510]  kmem_cache_alloc_node+0xe3/0x730
[  388.019009]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.023273]  __alloc_skb+0x119/0x770
[  388.026996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.032281]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.036702]  ? lock_downgrade+0x900/0x900
[  388.040866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.046419]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.051881]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.057342]  ? addrconf_rs_timer+0x690/0x690
[  388.061866]  ndisc_alloc_skb+0x144/0x340
[  388.065937]  ndisc_send_rs+0x331/0x6e0
[  388.069836]  addrconf_rs_timer+0x314/0x690
[  388.074087]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.078384]  call_timer_fn+0x272/0x920
[  388.082279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.086526]  ? process_timeout+0x40/0x40
[  388.090608]  ? __run_timers+0x7da/0xc70
[  388.094597]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.099092]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.103605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.107847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.112439]  ? trace_hardirqs_on+0xbd/0x310
[  388.116766]  ? kasan_check_read+0x11/0x20
[  388.120919]  ? __run_timers+0x7da/0xc70
[  388.124901]  ? trace_hardirqs_off_caller+0x310/0x310
[  388.130020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.134268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.138511]  __run_timers+0x7e5/0xc70
[  388.142333]  ? timer_fixup_init+0x70/0x70
[  388.146498]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.151528]  ? zap_class+0x640/0x640
[  388.155252]  ? enqueue_hrtimer+0x1a5/0x560
[  388.159493]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.164697]  ? find_held_lock+0x36/0x1c0
[  388.168764]  ? zap_class+0x640/0x640
[  388.172488]  ? pvclock_read_flags+0x160/0x160
[  388.176991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.182546]  ? check_preemption_disabled+0x48/0x280
[  388.187579]  ? __lock_is_held+0xb5/0x140
[  388.191653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.197197]  ? check_preemption_disabled+0x48/0x280
[  388.202651]  run_timer_softirq+0x52/0xb0
[  388.206718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  388.211739]  __do_softirq+0x308/0xb7e
[  388.215545]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  388.220047]  ? lock_downgrade+0x900/0x900
[  388.224205]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  388.229329]  ? pvclock_read_flags+0x160/0x160
[  388.233837]  ? lapic_next_event+0x5a/0x90
[  388.237994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.243542]  ? kvm_clock_read+0x18/0x30
[  388.247524]  ? kvm_sched_clock_read+0x9/0x20
[  388.251953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.257508]  ? check_preemption_disabled+0x48/0x280
[  388.262538]  irq_exit+0x17f/0x1c0
[  388.265998]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.270842]  ? smp_reschedule_interrupt+0x109/0x650
[  388.275880]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.281761]  ? interrupt_entry+0xb5/0xc0
[  388.285833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.290851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.295883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.300731]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.305757]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.310779]  ? task_prio+0x50/0x50
[  388.314333]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.319879]  ? check_preemption_disabled+0x48/0x280
[  388.324912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.329779]  apic_timer_interrupt+0xf/0x20
[  388.334010]  </IRQ>
[  388.336259] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  388.341198] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  388.360117] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.367841] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  388.375118] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  388.382415] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  388.389700] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  388.396975] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  388.404330]  skb_clone+0x1bb/0x500
[  388.407882]  ? finish_task_switch+0x2f4/0x910
[  388.412386]  ? skb_split+0x11e0/0x11e0
[  388.416290]  ? preempt_notifier_register+0x200/0x200
[  388.421417]  ? __switch_to_asm+0x34/0x70
[  388.425489]  ? __switch_to_asm+0x34/0x70
[  388.429560]  ? __switch_to_asm+0x40/0x70
[  388.433626]  ? __switch_to_asm+0x34/0x70
[  388.437687]  ? __switch_to_asm+0x40/0x70
[  388.441751]  ? __switch_to_asm+0x34/0x70
[  388.445810]  ? __switch_to_asm+0x40/0x70
[  388.449879]  ? __switch_to_asm+0x34/0x70
[  388.453945]  ? __switch_to_asm+0x34/0x70
[  388.458008]  ? __switch_to_asm+0x40/0x70
[  388.462069]  ? __switch_to_asm+0x34/0x70
[  388.466141]  bpf_clone_redirect+0xb9/0x490
[  388.470391]  ? __schedule+0x8d7/0x21d0
[  388.474296]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  388.479333]  ? __sched_text_start+0x8/0x8
[  388.483493]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  388.488287]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  388.492882]  ? retint_kernel+0x2d/0x2d
[  388.496785]  ? find_held_lock+0x36/0x1c0
[  388.500861]  ? lock_acquire+0x1ed/0x520
[  388.504846]  ? bpf_test_run+0x3cb/0x780
[  388.508830]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.514380]  ? check_preemption_disabled+0x48/0x280
[  388.519424]  ? kasan_check_read+0x11/0x20
[  388.523579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.528863]  ? rcu_softirq_qs+0x20/0x20
[  388.532849]  ? preempt_schedule+0x4d/0x60
[  388.537009]  ? ___preempt_schedule+0x16/0x18
[  388.541447]  ? bpf_test_run+0x25d/0x780
[  388.545443]  ? netlink_diag_dump+0x2a0/0x2a0
[  388.549864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.555419]  ? bpf_test_init.isra.10+0x70/0x100
[  388.560103]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  388.564874]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.569723]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.575268]  ? fput+0x130/0x1a0
[  388.578550]  ? __bpf_prog_get+0x9b/0x290
[  388.582625]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  388.587476]  ? bpf_prog_test_run+0x130/0x1a0
[  388.591901]  ? __x64_sys_bpf+0x3d8/0x520
[  388.595973]  ? bpf_prog_get+0x20/0x20
[  388.599803]  ? do_syscall_64+0x1b9/0x820
[  388.603873]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.609264]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.614198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.619053]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.624078]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.629103]  ? prepare_exit_to_usermode+0x291/0x3b0
[  388.634133]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.638989]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.644386] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  388.644484] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.651335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.651340] Call Trace:
[  388.651348]  <IRQ>
[  388.651369]  dump_stack+0x244/0x39d
[  388.651387]  ? dump_stack_print_info.cold.1+0x20/0x20
[  388.651419]  warn_alloc.cold.116+0xb7/0x1bd
[  388.657997] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.667252]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.669811] syz-executor1 cpuset=syz1 mems_allowed=0
[  388.671963]  ? lock_downgrade+0x900/0x900
[  388.709682]  ? trace_hardirqs_off+0xb8/0x310
[  388.714115]  ? trace_hardirqs_off+0xb8/0x310
[  388.718541]  __alloc_pages_slowpath+0x26e8/0x2e10
[  388.723417]  ? warn_alloc+0x120/0x120
[  388.727225]  ? print_usage_bug+0xc0/0xc0
[  388.731290]  ? warn_alloc+0x120/0x120
[  388.735113]  ? warn_alloc+0x120/0x120
[  388.738925]  ? print_usage_bug+0xc0/0xc0
[  388.742996]  ? kvm_clock_read+0x18/0x30
[  388.746984]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.752004]  ? print_usage_bug+0xc0/0xc0
[  388.756072]  ? __lock_acquire+0x62f/0x4c20
[  388.760324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.765870]  ? should_fail+0x22d/0xd01
[  388.769768]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.775050]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.780175]  ? __lock_acquire+0x62f/0x4c20
[  388.784421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.789530]  ? __lock_acquire+0x62f/0x4c20
[  388.793766]  ? should_fail+0x22d/0xd01
[  388.797659]  ? rcu_irq_exit+0x1a2/0x390
[  388.801656]  ? mark_held_locks+0x130/0x130
[  388.805899]  ? mark_held_locks+0x130/0x130
[  388.810157]  ? mark_held_locks+0xc7/0x130
[  388.814316]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  388.819344]  ? zap_class+0x640/0x640
[  388.823061]  ? print_usage_bug+0xc0/0xc0
[  388.827136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.832681]  ? check_preemption_disabled+0x48/0x280
[  388.837711]  ? __lock_is_held+0xb5/0x140
[  388.841784]  __alloc_pages_nodemask+0xa80/0xde0
[  388.846458]  ? zap_class+0x640/0x640
[  388.850180]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  388.855209]  ? find_held_lock+0x36/0x1c0
[  388.859301]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.863985]  ? lock_downgrade+0x900/0x900
[  388.868147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.873694]  cache_grow_begin+0xa5/0x8c0
[  388.877785]  ? do_raw_spin_unlock+0xa7/0x330
[  388.882218]  fallback_alloc+0x204/0x2e0
[  388.886201]  ____cache_alloc_node+0x1c7/0x1e0
[  388.890708]  kmem_cache_alloc_node+0xe3/0x730
[  388.895209]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.899457]  __alloc_skb+0x119/0x770
[  388.903174]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  388.908462]  ? netdev_alloc_frag+0x1f0/0x1f0
[  388.912877]  ? lock_downgrade+0x900/0x900
[  388.917041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.922582]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.928039]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.933504]  ? addrconf_rs_timer+0x690/0x690
[  388.937934]  ndisc_alloc_skb+0x144/0x340
[  388.942008]  ndisc_send_rs+0x331/0x6e0
[  388.945910]  addrconf_rs_timer+0x314/0x690
[  388.950157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.954411]  call_timer_fn+0x272/0x920
[  388.958311]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.962562]  ? process_timeout+0x40/0x40
[  388.966651]  ? mark_held_locks+0xc7/0x130
[  388.970814]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.975343]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.979836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.984074]  ? lockdep_hardirqs_on+0x296/0x5b0
[  388.988667]  ? trace_hardirqs_on+0xbd/0x310
[  388.992996]  ? kasan_check_read+0x11/0x20
[  388.997149]  ? __run_timers+0x7da/0xc70
[  389.001127]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.006240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.010485]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.014723]  __run_timers+0x7e5/0xc70
[  389.018544]  ? timer_fixup_init+0x70/0x70
[  389.022700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  389.027724]  ? zap_class+0x640/0x640
[  389.031465]  ? print_usage_bug+0xc0/0xc0
[  389.035547]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  389.040747]  ? find_held_lock+0x36/0x1c0
[  389.044817]  ? zap_class+0x640/0x640
[  389.048541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.054095]  ? check_preemption_disabled+0x48/0x280
[  389.059127]  ? __lock_is_held+0xb5/0x140
[  389.063198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.068744]  ? check_preemption_disabled+0x48/0x280
[  389.073778]  run_timer_softirq+0x52/0xb0
[  389.077852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  389.082893]  __do_softirq+0x308/0xb7e
[  389.086706]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  389.091203]  ? lock_downgrade+0x900/0x900
[  389.095368]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  389.100486]  ? pvclock_read_flags+0x160/0x160
[  389.104989]  ? lapic_next_event+0x5a/0x90
[  389.109163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.114717]  ? kvm_clock_read+0x18/0x30
[  389.118699]  ? kvm_sched_clock_read+0x9/0x20
[  389.123116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.128660]  ? check_preemption_disabled+0x48/0x280
[  389.133689]  irq_exit+0x17f/0x1c0
[  389.137150]  smp_apic_timer_interrupt+0x1cb/0x760
[  389.141994]  ? smp_reschedule_interrupt+0x109/0x650
[  389.147021]  ? smp_call_function_single_interrupt+0x650/0x650
[  389.152913]  ? interrupt_entry+0xb5/0xc0
[  389.156981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.162002]  ? trace_hardirqs_off_caller+0xbb/0x310
[  389.167024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.171871]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.176889]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.181939]  ? task_prio+0x50/0x50
[  389.185487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.191059]  ? check_preemption_disabled+0x48/0x280
[  389.196087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.200955]  apic_timer_interrupt+0xf/0x20
[  389.205196]  </IRQ>
[  389.207451] RIP: 0010:console_unlock+0x102f/0x1190
[  389.212397] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  389.231334] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  389.239050] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  389.246324] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  389.253599] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  389.260873] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  389.268171] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  389.275478]  ? netconsole_netdev_event+0x280/0x280
[  389.280423]  ? console_unlock+0x1026/0x1190
[  389.284787]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  389.289459]  ? vprintk_emit+0x846/0x990
[  389.293445]  ? lock_release+0xa00/0xa00
[  389.297428]  ? trace_hardirqs_on+0x60/0x310
[  389.301756]  ? vprintk_default+0x28/0x30
[  389.305826]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.310942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.316500]  vprintk_emit+0x391/0x990
[  389.320318]  ? wake_up_klogd+0x180/0x180
[  389.324397]  ? find_held_lock+0x1/0x1c0
[  389.328383]  ? mark_held_locks+0xc7/0x130
[  389.333021]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.337523]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.342033]  vprintk_default+0x28/0x30
[  389.345933]  vprintk_func+0x7e/0x181
[  389.349653]  printk+0xa7/0xcf
[  389.352766]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  389.357527]  ? _raw_spin_unlock_irq+0x60/0x80
[  389.362040]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  389.367338]  dump_header+0x7cc/0xf72
[  389.371067]  ? pagefault_out_of_memory+0x197/0x197
[  389.376007]  ? __lock_acquire+0x62f/0x4c20
[  389.380247]  ? percpu_ref_get_many+0x240/0x240
[  389.384837]  ? print_usage_bug+0xc0/0xc0
[  389.388930]  ? zap_class+0x640/0x640
[  389.392652]  ? print_usage_bug+0xc0/0xc0
[  389.396721]  ? zap_class+0x640/0x640
[  389.400442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.406006]  ? find_held_lock+0x36/0x1c0
[  389.410081]  ? mark_held_locks+0xc7/0x130
[  389.414240]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.419347]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  389.424460]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.429053]  ? trace_hardirqs_on+0xbd/0x310
[  389.433382]  ? kasan_check_read+0x11/0x20
[  389.437533]  ? ___ratelimit+0x3b4/0x672
[  389.441516]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.446623]  ? trace_hardirqs_on+0x310/0x310
[  389.451038]  ? lock_downgrade+0x900/0x900
[  389.455202]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  389.460319]  ? ___ratelimit+0x3b9/0x672
[  389.464300]  ? idr_get_free+0xf70/0xf70
[  389.468293]  ? find_held_lock+0x36/0x1c0
[  389.472390]  oom_kill_process.cold.27+0x10/0x903
[  389.477150]  ? zap_class+0x640/0x640
[  389.480864]  ? check_preemption_disabled+0x48/0x280
[  389.485889]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.490827]  ? kasan_check_read+0x11/0x20
[  389.494976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.500262]  ? oom_evaluate_task+0x540/0x540
[  389.504694]  ? find_held_lock+0x36/0x1c0
[  389.508766]  ? out_of_memory+0x974/0x1430
[  389.512921]  ? lock_downgrade+0x900/0x900
[  389.517075]  ? check_preemption_disabled+0x48/0x280
[  389.522098]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.527031]  ? kasan_check_read+0x11/0x20
[  389.531183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.536480]  ? rcu_softirq_qs+0x20/0x20
[  389.540480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.546021]  ? oom_evaluate_task+0x302/0x540
[  389.550436]  out_of_memory+0xa84/0x1430
[  389.554424]  ? oom_killer_disable+0x3a0/0x3a0
[  389.558930]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  389.563870]  ? __ww_mutex_check_waiters+0x160/0x160
[  389.568900]  __alloc_pages_slowpath+0x2354/0x2e10
[  389.573781]  ? warn_alloc+0x120/0x120
[  389.577633]  ? mark_held_locks+0x130/0x130
[  389.581874]  ? find_get_entry+0xaae/0x1120
[  389.586131]  ? filemap_map_pages+0x1a20/0x1a20
[  389.590722]  ? zap_class+0x640/0x640
[  389.594456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.600005]  ? check_preemption_disabled+0x48/0x280
[  389.605026]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.610574]  ? should_fail+0x22d/0xd01
[  389.614480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.619590]  ? zap_class+0x640/0x640
[  389.623342]  ? __lock_is_held+0xb5/0x140
[  389.627421]  ? mark_held_locks+0x130/0x130
[  389.631666]  ? lock_release+0xa00/0xa00
[  389.635660]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.641127]  ? xa_load+0x2ba/0x460
[  389.644677]  ? lock_downgrade+0x900/0x900
[  389.648836]  ? __might_sleep+0x95/0x190
[  389.652835]  __alloc_pages_nodemask+0xa80/0xde0
[  389.657527]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  389.662553]  ? __page_cache_alloc+0x191/0x5c0
[  389.667053]  ? xa_load+0x2e1/0x460
[  389.670599]  ? xa_clear_mark+0x40/0x40
[  389.674497]  ? zap_class+0x640/0x640
[  389.678250]  ? zap_class+0x640/0x640
[  389.681972]  ? zap_class+0x640/0x640
[  389.685686]  ? zap_class+0x640/0x640
[  389.689409]  ? __do_page_cache_readahead+0x663/0x810
[  389.694524]  ? find_held_lock+0x36/0x1c0
[  389.698598]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  389.704149]  alloc_pages_current+0x173/0x350
[  389.708573]  __page_cache_alloc+0x38c/0x5c0
[  389.712896]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.717835]  ? kasan_check_read+0x11/0x20
[  389.721992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.727278]  ? generic_perform_write+0x6a0/0x6a0
[  389.732075]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.737618]  ? check_preemption_disabled+0x48/0x280
[  389.742647]  filemap_fault+0x1595/0x25f0
[  389.746724]  ? __lock_page_or_retry+0xa00/0xa00
[  389.751408]  ? mark_held_locks+0x130/0x130
[  389.755663]  ? filemap_map_pages+0xd6b/0x1a20
[  389.760166]  ? lock_downgrade+0x900/0x900
[  389.764334]  ? check_preemption_disabled+0x48/0x280
[  389.769363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.774299]  ? kasan_check_read+0x11/0x20
[  389.778461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.783739]  ? rcu_softirq_qs+0x20/0x20
[  389.787763]  ? filemap_map_pages+0xd92/0x1a20
[  389.792266]  ? queue_work_on+0x12c/0x1e0
[  389.796345]  ? find_get_entries_tag+0x1400/0x1400
[  389.801201]  ? debug_object_destroy+0x2b0/0x2b0
[  389.805885]  ? lock_pi_update_atomic+0x150/0x150
[  389.810647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.816208]  ? lock_acquire+0x1ed/0x520
[  389.820186]  ? ext4_filemap_fault+0x7a/0xad
[  389.824517]  ? lock_release+0xa00/0xa00
[  389.828495]  ? perf_trace_sched_process_exec+0x860/0x860
[  389.833956]  ? print_usage_bug+0xc0/0xc0
[  389.838025]  ? print_usage_bug+0xc0/0xc0
[  389.842106]  ? down_read+0x8d/0x120
[  389.845741]  ? ext4_filemap_fault+0x7a/0xad
[  389.850071]  ? __down_interruptible+0x700/0x700
[  389.854777]  ext4_filemap_fault+0x82/0xad
[  389.858939]  __do_fault+0x100/0x6b0
[  389.862593]  ? find_held_lock+0x36/0x1c0
[  389.866661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  389.871775]  ? mark_held_locks+0x130/0x130
[  389.876032]  ? mark_held_locks+0x130/0x130
[  389.880269]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.884777]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.889279]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  389.893883]  ? kasan_check_read+0x11/0x20
[  389.898051]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.903613]  __handle_mm_fault+0x3ea0/0x5be0
[  389.908047]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  389.912896]  ? finish_task_switch+0x1f4/0x910
[  389.917402]  ? finish_task_switch+0x1b4/0x910
[  389.921903]  ? __switch_to_asm+0x34/0x70
[  389.925978]  ? preempt_notifier_register+0x200/0x200
[  389.931085]  ? __switch_to_asm+0x34/0x70
[  389.935151]  ? __switch_to_asm+0x34/0x70
[  389.939234]  ? zap_class+0x640/0x640
[  389.942966]  ? zap_class+0x640/0x640
[  389.946684]  ? __x64_sys_futex+0x53e/0x6a0
[  389.950933]  ? find_held_lock+0x36/0x1c0
[  389.955014]  ? handle_mm_fault+0x42a/0xc70
[  389.959273]  ? lock_downgrade+0x900/0x900
[  389.963567]  ? check_preemption_disabled+0x48/0x280
[  389.968717]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  389.973658]  ? kasan_check_read+0x11/0x20
[  389.977822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  389.983127]  ? rcu_softirq_qs+0x20/0x20
[  389.987145]  ? trace_hardirqs_off_caller+0x310/0x310
[  389.992276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.997849]  ? check_preemption_disabled+0x48/0x280
[  390.002913]  handle_mm_fault+0x54f/0xc70
[  390.007003]  ? __handle_mm_fault+0x5be0/0x5be0
[  390.011770]  ? find_vma+0x34/0x190
[  390.015334]  __do_page_fault+0x5e8/0xe60
[  390.019414]  ? trace_hardirqs_off+0xb8/0x310
[  390.023855]  do_page_fault+0xf2/0x7e0
[  390.027874]  ? vmalloc_sync_all+0x30/0x30
[  390.032047]  ? error_entry+0x70/0xd0
[  390.035779]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.040817]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.045767]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.050719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.055590]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.060626]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.066106]  ? prepare_exit_to_usermode+0x291/0x3b0
[  390.071146]  ? page_fault+0x8/0x30
[  390.074710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.079573]  ? page_fault+0x8/0x30
[  390.083137]  page_fault+0x1e/0x30
[  390.086611] RIP: 0033:0x45ddf3
[  390.089830] Code: Bad RIP value.
[  390.093212] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  390.098606] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  390.105888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  390.113179] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  390.120463] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  390.127746] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  390.135057] warn_alloc_show_mem: 1 callbacks suppressed
[  390.135070] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  390.135072] Mem-Info:
[  390.135104] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  390.135104]  active_file:15 inactive_file:15 isolated_file:0
[  390.135104]  unevictable:0 dirty:0 writeback:0 unstable:0
[  390.135104]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  390.135104]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  390.135104]  free:13750 free_pcp:296 free_cma:0
[  390.140462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.147758] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  390.150171] Call Trace:
[  390.183250] 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
[  390.192627]  <IRQ>
[  390.220333] lowmem_reserve[]: 0 2818 6321 6321
[  390.222968]  dump_stack+0x244/0x39d
[  390.249067] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  390.251241]  ? dump_stack_print_info.cold.1+0x20/0x20
[  390.255789] lowmem_reserve[]: 0 0 3503 3503
[  390.259449]  warn_alloc.cold.116+0xb7/0x1bd
[  390.286935] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  390.292167]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.296468] lowmem_reserve[]: 0 0 0 0
[  390.300804]  ? lock_downgrade+0x900/0x900
[  390.329766] 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
[  390.334634]  ? trace_hardirqs_off+0xb8/0x310
[  390.338404] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  390.342567]  ? trace_hardirqs_off+0xb8/0x310
[  390.356078] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  390.360518]  __alloc_pages_slowpath+0x26e8/0x2e10
[  390.376029] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  390.380486]  ? warn_alloc+0x120/0x120
[  390.394595] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  390.399466]  ? print_usage_bug+0xc0/0xc0
[  390.408278] 2335 total pagecache pages
[  390.412089]  ? warn_alloc+0x120/0x120
[  390.420640] 0 pages in swap cache
[  390.424703]  ? warn_alloc+0x120/0x120
[  390.428563] Swap cache stats: add 0, delete 0, find 0/0
[  390.432366]  ? print_usage_bug+0xc0/0xc0
[  390.435787] Free swap  = 0kB
[  390.439585]  ? kvm_clock_read+0x18/0x30
[  390.444923] Total swap = 0kB
[  390.448993]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  390.451984] 1965979 pages RAM
[  390.455961]  ? print_usage_bug+0xc0/0xc0
[  390.458956] 0 pages HighMem/MovableOnly
[  390.463968]  ? __lock_acquire+0x62f/0x4c20
[  390.467042] 342853 pages reserved
[  390.467051] 0 pages cma reserved
[  390.471124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.475147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.479293]  ? should_fail+0x22d/0xd01
[  390.479316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.479340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.482846] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.486136]  ? __lock_acquire+0x62f/0x4c20
[  390.491646] syz-fuzzer cpuset=/ mems_allowed=0
[  390.498135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.536459]  ? __lock_acquire+0x62f/0x4c20
[  390.540718]  ? should_fail+0x22d/0xd01
[  390.544618]  ? rcu_irq_exit+0x1a2/0x390
[  390.548610]  ? mark_held_locks+0x130/0x130
[  390.552857]  ? mark_held_locks+0x130/0x130
[  390.557104]  ? mark_held_locks+0xc7/0x130
[  390.561260]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  390.566288]  ? zap_class+0x640/0x640
[  390.570017]  ? print_usage_bug+0xc0/0xc0
[  390.574086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.579631]  ? check_preemption_disabled+0x48/0x280
[  390.584665]  ? __lock_is_held+0xb5/0x140
[  390.588736]  __alloc_pages_nodemask+0xa80/0xde0
[  390.593418]  ? zap_class+0x640/0x640
[  390.597144]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  390.602176]  ? find_held_lock+0x36/0x1c0
[  390.606254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.610927]  ? lock_downgrade+0x900/0x900
[  390.615089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.620642]  cache_grow_begin+0xa5/0x8c0
[  390.624718]  ? do_raw_spin_unlock+0xa7/0x330
[  390.629139]  fallback_alloc+0x204/0x2e0
[  390.633125]  ____cache_alloc_node+0x1c7/0x1e0
[  390.637630]  kmem_cache_alloc_node+0xe3/0x730
[  390.642143]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.646394]  __alloc_skb+0x119/0x770
[  390.650116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  390.655402]  ? netdev_alloc_frag+0x1f0/0x1f0
[  390.659821]  ? lock_downgrade+0x900/0x900
[  390.663983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.669529]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.674991]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.680453]  ? addrconf_rs_timer+0x690/0x690
[  390.684893]  ndisc_alloc_skb+0x144/0x340
[  390.688965]  ndisc_send_rs+0x331/0x6e0
[  390.692865]  addrconf_rs_timer+0x314/0x690
[  390.697110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.701381]  call_timer_fn+0x272/0x920
[  390.705277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.709523]  ? process_timeout+0x40/0x40
[  390.713594]  ? __run_timers+0x7da/0xc70
[  390.717571]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.722072]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.726572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.730817]  ? lockdep_hardirqs_on+0x296/0x5b0
[  390.735412]  ? trace_hardirqs_on+0xbd/0x310
[  390.739740]  ? kasan_check_read+0x11/0x20
[  390.743892]  ? __run_timers+0x7da/0xc70
[  390.747874]  ? trace_hardirqs_off_caller+0x310/0x310
[  390.752989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.757232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.761471]  __run_timers+0x7e5/0xc70
[  390.765285]  ? timer_fixup_init+0x70/0x70
[  390.769452]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.774475]  ? zap_class+0x640/0x640
[  390.778197]  ? enqueue_hrtimer+0x1a5/0x560
[  390.782446]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.787658]  ? find_held_lock+0x36/0x1c0
[  390.791729]  ? zap_class+0x640/0x640
[  390.795454]  ? pvclock_read_flags+0x160/0x160
[  390.799960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.805519]  ? check_preemption_disabled+0x48/0x280
[  390.810552]  ? __lock_is_held+0xb5/0x140
[  390.814634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.820180]  ? check_preemption_disabled+0x48/0x280
[  390.825226]  run_timer_softirq+0x52/0xb0
[  390.829316]  ? rcu_read_lock_sched_held+0x14f/0x180
[  390.834357]  __do_softirq+0x308/0xb7e
[  390.838168]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  390.842675]  ? lock_downgrade+0x900/0x900
[  390.846836]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  390.851957]  ? pvclock_read_flags+0x160/0x160
[  390.856464]  ? lapic_next_event+0x5a/0x90
[  390.860624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.866173]  ? kvm_clock_read+0x18/0x30
[  390.870157]  ? kvm_sched_clock_read+0x9/0x20
[  390.874582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.880128]  ? check_preemption_disabled+0x48/0x280
[  390.885160]  irq_exit+0x17f/0x1c0
[  390.888634]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.893480]  ? smp_reschedule_interrupt+0x109/0x650
[  390.898505]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.904399]  ? interrupt_entry+0xb5/0xc0
[  390.908480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.913502]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.918531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.923389]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.928420]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.933447]  ? task_prio+0x50/0x50
[  390.937000]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.942546]  ? check_preemption_disabled+0x48/0x280
[  390.947577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.952444]  apic_timer_interrupt+0xf/0x20
[  390.956681]  </IRQ>
[  390.958924] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.963860] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  390.982775] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.990498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.997774] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  391.005051] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  391.012337] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  391.019617] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  391.026939]  skb_clone+0x1bb/0x500
[  391.030493]  ? finish_task_switch+0x2f4/0x910
[  391.035004]  ? skb_split+0x11e0/0x11e0
[  391.038902]  ? preempt_notifier_register+0x200/0x200
[  391.044011]  ? __switch_to_asm+0x34/0x70
[  391.048078]  ? __switch_to_asm+0x34/0x70
[  391.052139]  ? __switch_to_asm+0x40/0x70
[  391.056199]  ? __switch_to_asm+0x34/0x70
[  391.060264]  ? __switch_to_asm+0x40/0x70
[  391.064341]  ? __switch_to_asm+0x34/0x70
[  391.068411]  ? __switch_to_asm+0x40/0x70
[  391.072472]  ? __switch_to_asm+0x34/0x70
[  391.076538]  ? __switch_to_asm+0x34/0x70
[  391.080620]  ? __switch_to_asm+0x40/0x70
[  391.084681]  ? __switch_to_asm+0x34/0x70
[  391.088763]  bpf_clone_redirect+0xb9/0x490
[  391.093026]  ? __schedule+0x8d7/0x21d0
[  391.096937]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  391.101967]  ? __sched_text_start+0x8/0x8
[  391.106124]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  391.110888]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  391.115477]  ? retint_kernel+0x2d/0x2d
[  391.119376]  ? find_held_lock+0x36/0x1c0
[  391.123458]  ? lock_acquire+0x1ed/0x520
[  391.127441]  ? bpf_test_run+0x3cb/0x780
[  391.131427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.136972]  ? check_preemption_disabled+0x48/0x280
[  391.142004]  ? kasan_check_read+0x11/0x20
[  391.146159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.151448]  ? rcu_softirq_qs+0x20/0x20
[  391.155435]  ? preempt_schedule+0x4d/0x60
[  391.159592]  ? ___preempt_schedule+0x16/0x18
[  391.164014]  ? bpf_test_run+0x25d/0x780
[  391.168007]  ? netlink_diag_dump+0x2a0/0x2a0
[  391.172446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.177990]  ? bpf_test_init.isra.10+0x70/0x100
[  391.182668]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  391.187441]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.192292]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.197847]  ? fput+0x130/0x1a0
[  391.201133]  ? __bpf_prog_get+0x9b/0x290
[  391.205205]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  391.210050]  ? bpf_prog_test_run+0x130/0x1a0
[  391.214470]  ? __x64_sys_bpf+0x3d8/0x520
[  391.218536]  ? bpf_prog_get+0x20/0x20
[  391.222369]  ? do_syscall_64+0x1b9/0x820
[  391.226440]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.231813]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.236746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.241602]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.246627]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  391.251651]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.256680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.261539]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.266929] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  391.267042] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  391.273867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.273877] Call Trace:
[  391.280526] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  391.289709]  <IRQ>
[  391.292282] syz-executor1 cpuset=syz1 mems_allowed=0
[  391.302783]  dump_stack+0x244/0x39d
[  391.313635]  ? dump_stack_print_info.cold.1+0x20/0x20
[  391.318853]  warn_alloc.cold.116+0xb7/0x1bd
[  391.323181]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.328049]  ? lock_downgrade+0x900/0x900
[  391.332688]  ? trace_hardirqs_off+0xb8/0x310
[  391.337122]  ? trace_hardirqs_off+0xb8/0x310
[  391.341553]  __alloc_pages_slowpath+0x26e8/0x2e10
[  391.346438]  ? warn_alloc+0x120/0x120
[  391.350252]  ? print_usage_bug+0xc0/0xc0
[  391.354325]  ? warn_alloc+0x120/0x120
[  391.358138]  ? warn_alloc+0x120/0x120
[  391.361947]  ? print_usage_bug+0xc0/0xc0
[  391.366019]  ? print_usage_bug+0xc0/0xc0
[  391.370103]  ? __lock_acquire+0x62f/0x4c20
[  391.374370]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.379922]  ? should_fail+0x22d/0xd01
[  391.383819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.388935]  ? __lock_acquire+0x62f/0x4c20
[  391.393189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  391.398298]  ? __lock_acquire+0x62f/0x4c20
[  391.402547]  ? should_fail+0x22d/0xd01
[  391.406441]  ? find_held_lock+0x36/0x1c0
[  391.410525]  ? mark_held_locks+0x130/0x130
[  391.414772]  ? mark_held_locks+0x130/0x130
[  391.419011]  ? zap_class+0x640/0x640
[  391.422731]  ? zap_class+0x640/0x640
[  391.426456]  ? print_usage_bug+0xc0/0xc0
[  391.430522]  ? do_raw_spin_unlock+0xa7/0x330
[  391.434941]  ? zap_class+0x640/0x640
[  391.438661]  ? print_usage_bug+0xc0/0xc0
[  391.442728]  ? wq_watchdog_touch+0x9c/0xfe
[  391.446987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.452558]  ? check_preemption_disabled+0x48/0x280
[  391.457614]  ? __lock_is_held+0xb5/0x140
[  391.461701]  __alloc_pages_nodemask+0xa80/0xde0
[  391.466385]  ? zap_class+0x640/0x640
[  391.470109]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  391.475145]  ? find_held_lock+0x36/0x1c0
[  391.479219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  391.483898]  ? lock_downgrade+0x900/0x900
[  391.488064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.493625]  cache_grow_begin+0xa5/0x8c0
[  391.497708]  ? do_raw_spin_unlock+0xa7/0x330
[  391.502131]  fallback_alloc+0x204/0x2e0
[  391.506118]  ____cache_alloc_node+0x1c7/0x1e0
[  391.510631]  kmem_cache_alloc_node+0xe3/0x730
[  391.515133]  ? ipv6_get_ifaddr+0x42e/0x620
[  391.519387]  __alloc_skb+0x119/0x770
[  391.523110]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  391.528398]  ? netdev_alloc_frag+0x1f0/0x1f0
[  391.532814]  ? lock_downgrade+0x900/0x900
[  391.536975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.542524]  ? refcount_sub_and_test_checked+0x203/0x310
[  391.547986]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  391.553445]  ? addrconf_rs_timer+0x690/0x690
[  391.557877]  ndisc_alloc_skb+0x144/0x340
[  391.561953]  ndisc_send_rs+0x331/0x6e0
[  391.565855]  addrconf_rs_timer+0x314/0x690
[  391.570099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.574358]  call_timer_fn+0x272/0x920
[  391.578254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.582492]  ? process_timeout+0x40/0x40
[  391.586572]  ? mark_held_locks+0xc7/0x130
[  391.590740]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.595238]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.599739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.603990]  ? lockdep_hardirqs_on+0x296/0x5b0
[  391.608583]  ? trace_hardirqs_on+0xbd/0x310
[  391.612917]  ? kasan_check_read+0x11/0x20
[  391.617070]  ? __run_timers+0x7da/0xc70
[  391.621054]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.626171]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.630413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  391.634649]  __run_timers+0x7e5/0xc70
[  391.638472]  ? timer_fixup_init+0x70/0x70
[  391.642639]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.647673]  ? zap_class+0x640/0x640
[  391.651399]  ? print_usage_bug+0xc0/0xc0
[  391.655476]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  391.660679]  ? find_held_lock+0x36/0x1c0
[  391.664748]  ? zap_class+0x640/0x640
[  391.668474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.674017]  ? check_preemption_disabled+0x48/0x280
[  391.679050]  ? __lock_is_held+0xb5/0x140
[  391.683114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.688673]  ? check_preemption_disabled+0x48/0x280
[  391.693702]  run_timer_softirq+0x52/0xb0
[  391.697772]  ? rcu_read_lock_sched_held+0x14f/0x180
[  391.702793]  __do_softirq+0x308/0xb7e
[  391.706603]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  391.711100]  ? lock_downgrade+0x900/0x900
[  391.715259]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  391.720384]  ? pvclock_read_flags+0x160/0x160
[  391.724886]  ? lapic_next_event+0x5a/0x90
[  391.729044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.734591]  ? kvm_clock_read+0x18/0x30
[  391.738572]  ? kvm_sched_clock_read+0x9/0x20
[  391.743006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.748549]  ? check_preemption_disabled+0x48/0x280
[  391.753579]  irq_exit+0x17f/0x1c0
[  391.757040]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.761884]  ? smp_reschedule_interrupt+0x109/0x650
[  391.766926]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.772824]  ? interrupt_entry+0xb5/0xc0
[  391.776895]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.781930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.786955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.791805]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.796825]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.801854]  ? task_prio+0x50/0x50
[  391.805404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.810953]  ? check_preemption_disabled+0x48/0x280
[  391.815984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.820840]  apic_timer_interrupt+0xf/0x20
[  391.825073]  </IRQ>
[  391.827325] RIP: 0010:console_unlock+0x102f/0x1190
[  391.832267] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  391.851187] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  391.858918] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  391.866191] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  391.873469] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  391.880742] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  391.888034] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  391.895337]  ? netconsole_netdev_event+0x280/0x280
[  391.900298]  ? console_unlock+0x1026/0x1190
[  391.904663]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  391.909349]  ? vprintk_emit+0x846/0x990
[  391.913351]  ? lock_release+0xa00/0xa00
[  391.917337]  ? trace_hardirqs_on+0x60/0x310
[  391.921665]  ? vprintk_default+0x28/0x30
[  391.925735]  ? trace_hardirqs_off_caller+0x310/0x310
[  391.930845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.936395]  vprintk_emit+0x391/0x990
[  391.940216]  ? wake_up_klogd+0x180/0x180
[  391.944288]  ? find_held_lock+0x1/0x1c0
[  391.948281]  ? mark_held_locks+0xc7/0x130
[  391.952446]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.956943]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.961457]  vprintk_default+0x28/0x30
[  391.965357]  vprintk_func+0x7e/0x181
[  391.969078]  printk+0xa7/0xcf
[  391.972185]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  391.976950]  ? _raw_spin_unlock_irq+0x60/0x80
[  391.981471]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  391.986761]  dump_header+0x7cc/0xf72
[  391.990496]  ? pagefault_out_of_memory+0x197/0x197
[  391.995443]  ? __lock_acquire+0x62f/0x4c20
[  391.999686]  ? percpu_ref_get_many+0x240/0x240
[  392.004279]  ? print_usage_bug+0xc0/0xc0
[  392.008371]  ? zap_class+0x640/0x640
[  392.012090]  ? print_usage_bug+0xc0/0xc0
[  392.016154]  ? zap_class+0x640/0x640
[  392.019878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.025426]  ? find_held_lock+0x36/0x1c0
[  392.029507]  ? mark_held_locks+0xc7/0x130
[  392.033665]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.038779]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  392.043887]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.048483]  ? trace_hardirqs_on+0xbd/0x310
[  392.052825]  ? kasan_check_read+0x11/0x20
[  392.056977]  ? ___ratelimit+0x3b4/0x672
[  392.060958]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.066066]  ? trace_hardirqs_on+0x310/0x310
[  392.070484]  ? lock_downgrade+0x900/0x900
[  392.074643]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  392.079752]  ? ___ratelimit+0x3b9/0x672
[  392.083737]  ? idr_get_free+0xf70/0xf70
[  392.087721]  ? find_held_lock+0x36/0x1c0
[  392.091798]  oom_kill_process.cold.27+0x10/0x903
[  392.096563]  ? zap_class+0x640/0x640
[  392.100282]  ? check_preemption_disabled+0x48/0x280
[  392.105322]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.110258]  ? kasan_check_read+0x11/0x20
[  392.114409]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.119696]  ? oom_evaluate_task+0x540/0x540
[  392.124117]  ? find_held_lock+0x36/0x1c0
[  392.128194]  ? out_of_memory+0x974/0x1430
[  392.132351]  ? lock_downgrade+0x900/0x900
[  392.136508]  ? check_preemption_disabled+0x48/0x280
[  392.141536]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.146475]  ? kasan_check_read+0x11/0x20
[  392.150634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.155926]  ? rcu_softirq_qs+0x20/0x20
[  392.159921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.165463]  ? oom_evaluate_task+0x302/0x540
[  392.169883]  out_of_memory+0xa84/0x1430
[  392.173881]  ? oom_killer_disable+0x3a0/0x3a0
[  392.178405]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  392.183366]  ? __ww_mutex_check_waiters+0x160/0x160
[  392.188403]  __alloc_pages_slowpath+0x2354/0x2e10
[  392.193283]  ? warn_alloc+0x120/0x120
[  392.197099]  ? mark_held_locks+0x130/0x130
[  392.201544]  ? find_get_entry+0xaae/0x1120
[  392.205794]  ? filemap_map_pages+0x1a20/0x1a20
[  392.210385]  ? zap_class+0x640/0x640
[  392.214126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.219670]  ? check_preemption_disabled+0x48/0x280
[  392.224696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.230239]  ? should_fail+0x22d/0xd01
[  392.234135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.239258]  ? zap_class+0x640/0x640
[  392.243002]  ? __lock_is_held+0xb5/0x140
[  392.247076]  ? mark_held_locks+0x130/0x130
[  392.251326]  ? lock_release+0xa00/0xa00
[  392.255314]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.260773]  ? xa_load+0x2ba/0x460
[  392.264337]  ? lock_downgrade+0x900/0x900
[  392.268514]  ? __might_sleep+0x95/0x190
[  392.272500]  __alloc_pages_nodemask+0xa80/0xde0
[  392.277183]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  392.282206]  ? __page_cache_alloc+0x191/0x5c0
[  392.286705]  ? xa_load+0x2e1/0x460
[  392.290253]  ? xa_clear_mark+0x40/0x40
[  392.294149]  ? zap_class+0x640/0x640
[  392.297870]  ? zap_class+0x640/0x640
[  392.301602]  ? zap_class+0x640/0x640
[  392.305325]  ? zap_class+0x640/0x640
[  392.309058]  ? __do_page_cache_readahead+0x663/0x810
[  392.314174]  ? find_held_lock+0x36/0x1c0
[  392.318251]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  392.323803]  alloc_pages_current+0x173/0x350
[  392.328224]  __page_cache_alloc+0x38c/0x5c0
[  392.332556]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.337508]  ? kasan_check_read+0x11/0x20
[  392.341678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.346966]  ? generic_perform_write+0x6a0/0x6a0
[  392.351731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.357279]  ? check_preemption_disabled+0x48/0x280
[  392.362326]  filemap_fault+0x1595/0x25f0
[  392.366410]  ? __lock_page_or_retry+0xa00/0xa00
[  392.371089]  ? mark_held_locks+0x130/0x130
[  392.375357]  ? filemap_map_pages+0xd6b/0x1a20
[  392.379858]  ? lock_downgrade+0x900/0x900
[  392.384012]  ? check_preemption_disabled+0x48/0x280
[  392.389035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.393982]  ? kasan_check_read+0x11/0x20
[  392.398136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.403421]  ? rcu_softirq_qs+0x20/0x20
[  392.407432]  ? filemap_map_pages+0xd92/0x1a20
[  392.411941]  ? queue_work_on+0x12c/0x1e0
[  392.416014]  ? find_get_entries_tag+0x1400/0x1400
[  392.420877]  ? debug_object_destroy+0x2b0/0x2b0
[  392.425570]  ? lock_pi_update_atomic+0x150/0x150
[  392.430338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.435896]  ? lock_acquire+0x1ed/0x520
[  392.439881]  ? ext4_filemap_fault+0x7a/0xad
[  392.444223]  ? lock_release+0xa00/0xa00
[  392.448203]  ? perf_trace_sched_process_exec+0x860/0x860
[  392.453664]  ? print_usage_bug+0xc0/0xc0
[  392.457741]  ? print_usage_bug+0xc0/0xc0
[  392.461823]  ? down_read+0x8d/0x120
[  392.465455]  ? ext4_filemap_fault+0x7a/0xad
[  392.469787]  ? __down_interruptible+0x700/0x700
[  392.474476]  ext4_filemap_fault+0x82/0xad
[  392.478631]  __do_fault+0x100/0x6b0
[  392.482277]  ? find_held_lock+0x36/0x1c0
[  392.486354]  ? pmd_devmap_trans_unstable+0x220/0x220
[  392.491471]  ? mark_held_locks+0x130/0x130
[  392.495710]  ? mark_held_locks+0x130/0x130
[  392.499947]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.504448]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.508947]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  392.513544]  ? kasan_check_read+0x11/0x20
[  392.517700]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.523246]  __handle_mm_fault+0x3ea0/0x5be0
[  392.527671]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  392.532521]  ? finish_task_switch+0x1f4/0x910
[  392.537022]  ? finish_task_switch+0x1b4/0x910
[  392.541526]  ? __switch_to_asm+0x34/0x70
[  392.545598]  ? preempt_notifier_register+0x200/0x200
[  392.550705]  ? __switch_to_asm+0x34/0x70
[  392.554797]  ? __switch_to_asm+0x34/0x70
[  392.558879]  ? zap_class+0x640/0x640
[  392.562622]  ? zap_class+0x640/0x640
[  392.566341]  ? __x64_sys_futex+0x53e/0x6a0
[  392.570587]  ? find_held_lock+0x36/0x1c0
[  392.574669]  ? handle_mm_fault+0x42a/0xc70
[  392.578914]  ? lock_downgrade+0x900/0x900
[  392.583069]  ? check_preemption_disabled+0x48/0x280
[  392.588096]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  392.593034]  ? kasan_check_read+0x11/0x20
[  392.597188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  392.602467]  ? rcu_softirq_qs+0x20/0x20
[  392.606447]  ? trace_hardirqs_off_caller+0x310/0x310
[  392.611562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.617107]  ? check_preemption_disabled+0x48/0x280
[  392.622136]  handle_mm_fault+0x54f/0xc70
[  392.626209]  ? __handle_mm_fault+0x5be0/0x5be0
[  392.630801]  ? find_vma+0x34/0x190
[  392.634355]  __do_page_fault+0x5e8/0xe60
[  392.638422]  ? trace_hardirqs_off+0xb8/0x310
[  392.642852]  do_page_fault+0xf2/0x7e0
[  392.646674]  ? vmalloc_sync_all+0x30/0x30
[  392.650826]  ? error_entry+0x70/0xd0
[  392.654545]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.659569]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.664506]  ? syscall_return_slowpath+0x5e0/0x5e0
[  392.669440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.674288]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.679321]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.684792]  ? prepare_exit_to_usermode+0x291/0x3b0
[  392.689812]  ? page_fault+0x8/0x30
[  392.693363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.698214]  ? page_fault+0x8/0x30
[  392.701764]  page_fault+0x1e/0x30
[  392.705223] RIP: 0033:0x45ddf3
[  392.708431] Code: Bad RIP value.
[  392.711797] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  392.717163] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  392.724437] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  392.731710] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  392.738981] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  392.746253] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  392.753549] warn_alloc_show_mem: 1 callbacks suppressed
[  392.753562] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  392.753564] Mem-Info:
[  392.753598] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  392.753598]  active_file:15 inactive_file:15 isolated_file:0
[  392.753598]  unevictable:0 dirty:0 writeback:0 unstable:0
[  392.753598]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  392.753598]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  392.753598]  free:13750 free_pcp:296 free_cma:0
[  392.758938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  392.758947] Call Trace:
[  392.766237] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  392.768635]  <IRQ>
[  392.801690] 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
[  392.811066]  dump_stack+0x244/0x39d
[  392.813620] lowmem_reserve[]: 0 2818 6321 6321
[  392.841161]  ? dump_stack_print_info.cold.1+0x20/0x20
[  392.843283] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  392.869430]  warn_alloc.cold.116+0xb7/0x1bd
[  392.873022] lowmem_reserve[]: 0 0 3503 3503
[  392.877607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  392.882771] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  392.910285]  ? lock_downgrade+0x900/0x900
[  392.914576] lowmem_reserve[]: 0 0 0 0
[  392.918898]  ? trace_hardirqs_off+0xb8/0x310
[  392.923716] 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
[  392.952709]  ? trace_hardirqs_off+0xb8/0x310
[  392.956831] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  392.960638]  __alloc_pages_slowpath+0x26e8/0x2e10
[  392.965013] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  392.978566]  ? warn_alloc+0x120/0x120
[  392.982937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.998465]  ? print_usage_bug+0xc0/0xc0
[  393.003293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  393.017438]  ? warn_alloc+0x120/0x120
[  393.021215] 2335 total pagecache pages
[  393.030054]  ? warn_alloc+0x120/0x120
[  393.034092] 0 pages in swap cache
[  393.042668]  ? print_usage_bug+0xc0/0xc0
[  393.046453] Swap cache stats: add 0, delete 0, find 0/0
[  393.050355]  ? kvm_clock_read+0x18/0x30
[  393.054134] Free swap  = 0kB
[  393.057599]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.061636] Total swap = 0kB
[  393.067013]  ? print_usage_bug+0xc0/0xc0
[  393.070970] 1965979 pages RAM
[  393.073998]  ? __lock_acquire+0x62f/0x4c20
[  393.078992] 0 pages HighMem/MovableOnly
[  393.082021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.086053] 342853 pages reserved
[  393.086063] 0 pages cma reserved
[  393.089191]  ? should_fail+0x22d/0xd01
[  393.093490] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.097395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.097427]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.097446]  ? __lock_acquire+0x62f/0x4c20
[  393.103062] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.106458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.109804] syz-fuzzer cpuset=/ mems_allowed=0
[  393.113701]  ? __lock_acquire+0x62f/0x4c20
[  393.158974]  ? should_fail+0x22d/0xd01
[  393.162897]  ? rcu_irq_exit+0x1a2/0x390
[  393.166919]  ? mark_held_locks+0x130/0x130
[  393.171192]  ? mark_held_locks+0x130/0x130
[  393.175466]  ? mark_held_locks+0xc7/0x130
[  393.179634]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.184680]  ? zap_class+0x640/0x640
[  393.188425]  ? print_usage_bug+0xc0/0xc0
[  393.192517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.198083]  ? check_preemption_disabled+0x48/0x280
[  393.203140]  ? __lock_is_held+0xb5/0x140
[  393.207232]  __alloc_pages_nodemask+0xa80/0xde0
[  393.211927]  ? zap_class+0x640/0x640
[  393.215673]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  393.220733]  ? find_held_lock+0x36/0x1c0
[  393.224828]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.229529]  ? lock_downgrade+0x900/0x900
[  393.233714]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.239286]  cache_grow_begin+0xa5/0x8c0
[  393.243383]  ? do_raw_spin_unlock+0xa7/0x330
[  393.247833]  fallback_alloc+0x204/0x2e0
[  393.251844]  ____cache_alloc_node+0x1c7/0x1e0
[  393.256375]  kmem_cache_alloc_node+0xe3/0x730
[  393.260903]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.265183]  __alloc_skb+0x119/0x770
[  393.268923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.274236]  ? netdev_alloc_frag+0x1f0/0x1f0
[  393.278661]  ? lock_downgrade+0x900/0x900
[  393.282833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.288398]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.293985]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.299467]  ? addrconf_rs_timer+0x690/0x690
[  393.303913]  ndisc_alloc_skb+0x144/0x340
[  393.308003]  ndisc_send_rs+0x331/0x6e0
[  393.311915]  addrconf_rs_timer+0x314/0x690
[  393.316178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.320451]  call_timer_fn+0x272/0x920
[  393.324359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.328623]  ? process_timeout+0x40/0x40
[  393.332949]  ? __run_timers+0x7da/0xc70
[  393.336954]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.341476]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.345993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.350253]  ? lockdep_hardirqs_on+0x296/0x5b0
[  393.354861]  ? trace_hardirqs_on+0xbd/0x310
[  393.359208]  ? kasan_check_read+0x11/0x20
[  393.363380]  ? __run_timers+0x7da/0xc70
[  393.367387]  ? trace_hardirqs_off_caller+0x310/0x310
[  393.372531]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.376798]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.381063]  __run_timers+0x7e5/0xc70
[  393.384909]  ? timer_fixup_init+0x70/0x70
[  393.389084]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.394128]  ? zap_class+0x640/0x640
[  393.397869]  ? enqueue_hrtimer+0x1a5/0x560
[  393.402132]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.407363]  ? find_held_lock+0x36/0x1c0
[  393.411459]  ? zap_class+0x640/0x640
[  393.415196]  ? pvclock_read_flags+0x160/0x160
[  393.419715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.425283]  ? check_preemption_disabled+0x48/0x280
[  393.430351]  ? __lock_is_held+0xb5/0x140
[  393.434445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.440008]  ? check_preemption_disabled+0x48/0x280
[  393.445057]  run_timer_softirq+0x52/0xb0
[  393.449143]  ? rcu_read_lock_sched_held+0x14f/0x180
[  393.454188]  __do_softirq+0x308/0xb7e
[  393.458020]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  393.462541]  ? lock_downgrade+0x900/0x900
[  393.466717]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  393.471857]  ? pvclock_read_flags+0x160/0x160
[  393.476384]  ? lapic_next_event+0x5a/0x90
[  393.480565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.486137]  ? kvm_clock_read+0x18/0x30
[  393.490136]  ? kvm_sched_clock_read+0x9/0x20
[  393.494572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.500138]  ? check_preemption_disabled+0x48/0x280
[  393.505187]  irq_exit+0x17f/0x1c0
[  393.508664]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.513528]  ? smp_reschedule_interrupt+0x109/0x650
[  393.518570]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.524480]  ? interrupt_entry+0xb5/0xc0
[  393.528565]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.533607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.538654]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.543517]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.548545]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.553578]  ? task_prio+0x50/0x50
[  393.557131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.562685]  ? check_preemption_disabled+0x48/0x280
[  393.567725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.572591]  apic_timer_interrupt+0xf/0x20
[  393.576825]  </IRQ>
[  393.579079] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  393.584024] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  393.602950] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.610683] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  393.617971] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  393.625253] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  393.632535] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  393.639818] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  393.647148]  skb_clone+0x1bb/0x500
[  393.650703]  ? finish_task_switch+0x2f4/0x910
[  393.655214]  ? skb_split+0x11e0/0x11e0
[  393.659118]  ? preempt_notifier_register+0x200/0x200
[  393.664233]  ? __switch_to_asm+0x34/0x70
[  393.668314]  ? __switch_to_asm+0x34/0x70
[  393.672383]  ? __switch_to_asm+0x40/0x70
[  393.676454]  ? __switch_to_asm+0x34/0x70
[  393.680520]  ? __switch_to_asm+0x40/0x70
[  393.684585]  ? __switch_to_asm+0x34/0x70
[  393.688651]  ? __switch_to_asm+0x40/0x70
[  393.692717]  ? __switch_to_asm+0x34/0x70
[  393.696786]  ? __switch_to_asm+0x34/0x70
[  393.700852]  ? __switch_to_asm+0x40/0x70
[  393.704918]  ? __switch_to_asm+0x34/0x70
[  393.708997]  bpf_clone_redirect+0xb9/0x490
[  393.713244]  ? __schedule+0x8d7/0x21d0
[  393.717149]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  393.722184]  ? __sched_text_start+0x8/0x8
[  393.726354]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  393.731125]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  393.735718]  ? retint_kernel+0x2d/0x2d
[  393.739626]  ? find_held_lock+0x36/0x1c0
[  393.743706]  ? lock_acquire+0x1ed/0x520
[  393.747693]  ? bpf_test_run+0x3cb/0x780
[  393.751680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.757237]  ? check_preemption_disabled+0x48/0x280
[  393.762273]  ? kasan_check_read+0x11/0x20
[  393.766444]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  393.771734]  ? rcu_softirq_qs+0x20/0x20
[  393.775722]  ? preempt_schedule+0x4d/0x60
[  393.779881]  ? ___preempt_schedule+0x16/0x18
[  393.784314]  ? bpf_test_run+0x25d/0x780
[  393.788316]  ? netlink_diag_dump+0x2a0/0x2a0
[  393.792737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.798290]  ? bpf_test_init.isra.10+0x70/0x100
[  393.802987]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  393.807766]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.812622]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.818177]  ? fput+0x130/0x1a0
[  393.821465]  ? __bpf_prog_get+0x9b/0x290
[  393.825541]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  393.830395]  ? bpf_prog_test_run+0x130/0x1a0
[  393.834827]  ? __x64_sys_bpf+0x3d8/0x520
[  393.838903]  ? bpf_prog_get+0x20/0x20
[  393.842738]  ? do_syscall_64+0x1b9/0x820
[  393.846808]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.852193]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.857142]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.862007]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.867052]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.872097]  ? prepare_exit_to_usermode+0x291/0x3b0
[  393.877145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.882017]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.887421] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  393.887513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.894366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.894378] Call Trace:
[  393.901132] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.910226]  <IRQ>
[  393.910254]  dump_stack+0x244/0x39d
[  393.910275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  393.913056] syz-executor1 cpuset=syz1 mems_allowed=0
[  393.923559]  warn_alloc.cold.116+0xb7/0x1bd
[  393.923580]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.948963]  ? lock_downgrade+0x900/0x900
[  393.953129]  ? trace_hardirqs_off+0xb8/0x310
[  393.957559]  ? trace_hardirqs_off+0xb8/0x310
[  393.962000]  __alloc_pages_slowpath+0x26e8/0x2e10
[  393.966882]  ? warn_alloc+0x120/0x120
[  393.970700]  ? print_usage_bug+0xc0/0xc0
[  393.974770]  ? warn_alloc+0x120/0x120
[  393.978583]  ? warn_alloc+0x120/0x120
[  393.982393]  ? print_usage_bug+0xc0/0xc0
[  393.986469]  ? print_usage_bug+0xc0/0xc0
[  393.990538]  ? __lock_acquire+0x62f/0x4c20
[  393.994786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.000334]  ? should_fail+0x22d/0xd01
[  394.004244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.009365]  ? __lock_acquire+0x62f/0x4c20
[  394.013609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.018720]  ? __lock_acquire+0x62f/0x4c20
[  394.022962]  ? should_fail+0x22d/0xd01
[  394.026854]  ? find_held_lock+0x36/0x1c0
[  394.030935]  ? mark_held_locks+0x130/0x130
[  394.035183]  ? mark_held_locks+0x130/0x130
[  394.039424]  ? zap_class+0x640/0x640
[  394.043142]  ? zap_class+0x640/0x640
[  394.046861]  ? print_usage_bug+0xc0/0xc0
[  394.050937]  ? do_raw_spin_unlock+0xa7/0x330
[  394.055352]  ? zap_class+0x640/0x640
[  394.059071]  ? print_usage_bug+0xc0/0xc0
[  394.063136]  ? wq_watchdog_touch+0x9c/0xfe
[  394.067384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.072934]  ? check_preemption_disabled+0x48/0x280
[  394.077971]  ? __lock_is_held+0xb5/0x140
[  394.082046]  __alloc_pages_nodemask+0xa80/0xde0
[  394.086722]  ? zap_class+0x640/0x640
[  394.090447]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.095479]  ? find_held_lock+0x36/0x1c0
[  394.099559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.104233]  ? lock_downgrade+0x900/0x900
[  394.108396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.113948]  cache_grow_begin+0xa5/0x8c0
[  394.118017]  ? do_raw_spin_unlock+0xa7/0x330
[  394.122440]  fallback_alloc+0x204/0x2e0
[  394.126427]  ____cache_alloc_node+0x1c7/0x1e0
[  394.130942]  kmem_cache_alloc_node+0xe3/0x730
[  394.135445]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.139701]  __alloc_skb+0x119/0x770
[  394.143419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.148714]  ? netdev_alloc_frag+0x1f0/0x1f0
[  394.153131]  ? lock_downgrade+0x900/0x900
[  394.157291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.162842]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.168327]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.173789]  ? addrconf_rs_timer+0x690/0x690
[  394.178214]  ndisc_alloc_skb+0x144/0x340
[  394.182288]  ndisc_send_rs+0x331/0x6e0
[  394.186197]  addrconf_rs_timer+0x314/0x690
[  394.190450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.194703]  call_timer_fn+0x272/0x920
[  394.198702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.202957]  ? process_timeout+0x40/0x40
[  394.207047]  ? mark_held_locks+0xc7/0x130
[  394.212682]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.217181]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.221678]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.225936]  ? lockdep_hardirqs_on+0x296/0x5b0
[  394.230526]  ? trace_hardirqs_on+0xbd/0x310
[  394.234855]  ? kasan_check_read+0x11/0x20
[  394.239007]  ? __run_timers+0x7da/0xc70
[  394.242988]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.248104]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.252358]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.256601]  __run_timers+0x7e5/0xc70
[  394.260422]  ? timer_fixup_init+0x70/0x70
[  394.264597]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  394.269623]  ? zap_class+0x640/0x640
[  394.273352]  ? print_usage_bug+0xc0/0xc0
[  394.277425]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  394.282650]  ? find_held_lock+0x36/0x1c0
[  394.286723]  ? zap_class+0x640/0x640
[  394.290453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.296002]  ? check_preemption_disabled+0x48/0x280
[  394.301034]  ? __lock_is_held+0xb5/0x140
[  394.305106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.310662]  ? check_preemption_disabled+0x48/0x280
[  394.316101]  run_timer_softirq+0x52/0xb0
[  394.320173]  ? rcu_read_lock_sched_held+0x14f/0x180
[  394.325202]  __do_softirq+0x308/0xb7e
[  394.329012]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  394.333540]  ? lock_downgrade+0x900/0x900
[  394.337717]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  394.342835]  ? pvclock_read_flags+0x160/0x160
[  394.347348]  ? lapic_next_event+0x5a/0x90
[  394.351507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.357063]  ? kvm_clock_read+0x18/0x30
[  394.361060]  ? kvm_sched_clock_read+0x9/0x20
[  394.365482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.371036]  ? check_preemption_disabled+0x48/0x280
[  394.376070]  irq_exit+0x17f/0x1c0
[  394.379534]  smp_apic_timer_interrupt+0x1cb/0x760
[  394.384381]  ? smp_reschedule_interrupt+0x109/0x650
[  394.389407]  ? smp_call_function_single_interrupt+0x650/0x650
[  394.395301]  ? interrupt_entry+0xb5/0xc0
[  394.399387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.404408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  394.409442]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.414295]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.419336]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.424367]  ? task_prio+0x50/0x50
[  394.427934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.433505]  ? check_preemption_disabled+0x48/0x280
[  394.438539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.443408]  apic_timer_interrupt+0xf/0x20
[  394.447651]  </IRQ>
[  394.449893] RIP: 0010:console_unlock+0x102f/0x1190
[  394.454832] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  394.473754] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  394.481481] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  394.488760] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  394.496035] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  394.503317] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  394.510596] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  394.517885]  ? netconsole_netdev_event+0x280/0x280
[  394.522836]  ? console_unlock+0x1026/0x1190
[  394.527181]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  394.531856]  ? vprintk_emit+0x846/0x990
[  394.535848]  ? lock_release+0xa00/0xa00
[  394.539840]  ? trace_hardirqs_on+0x60/0x310
[  394.544165]  ? vprintk_default+0x28/0x30
[  394.548243]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.553357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.558914]  vprintk_emit+0x391/0x990
[  394.562730]  ? wake_up_klogd+0x180/0x180
[  394.566805]  ? find_held_lock+0x1/0x1c0
[  394.570806]  ? mark_held_locks+0xc7/0x130
[  394.574962]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.579461]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.583973]  vprintk_default+0x28/0x30
[  394.587866]  vprintk_func+0x7e/0x181
[  394.591585]  printk+0xa7/0xcf
[  394.594694]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  394.599477]  ? _raw_spin_unlock_irq+0x60/0x80
[  394.603999]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  394.609349]  dump_header+0x7cc/0xf72
[  394.613085]  ? pagefault_out_of_memory+0x197/0x197
[  394.618033]  ? __lock_acquire+0x62f/0x4c20
[  394.622282]  ? percpu_ref_get_many+0x240/0x240
[  394.626886]  ? print_usage_bug+0xc0/0xc0
[  394.630961]  ? zap_class+0x640/0x640
[  394.634687]  ? print_usage_bug+0xc0/0xc0
[  394.638756]  ? zap_class+0x640/0x640
[  394.642480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.648033]  ? find_held_lock+0x36/0x1c0
[  394.652112]  ? mark_held_locks+0xc7/0x130
[  394.656274]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.661392]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  394.666508]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  394.671102]  ? trace_hardirqs_on+0xbd/0x310
[  394.675438]  ? kasan_check_read+0x11/0x20
[  394.679597]  ? ___ratelimit+0x3b4/0x672
[  394.683581]  ? trace_hardirqs_off_caller+0x310/0x310
[  394.688692]  ? trace_hardirqs_on+0x310/0x310
[  394.693109]  ? lock_downgrade+0x900/0x900
[  394.697269]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  394.702391]  ? ___ratelimit+0x3b9/0x672
[  394.706373]  ? idr_get_free+0xf70/0xf70
[  394.710362]  ? find_held_lock+0x36/0x1c0
[  394.714439]  oom_kill_process.cold.27+0x10/0x903
[  394.719207]  ? zap_class+0x640/0x640
[  394.722935]  ? check_preemption_disabled+0x48/0x280
[  394.727964]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.732902]  ? kasan_check_read+0x11/0x20
[  394.737085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.742371]  ? oom_evaluate_task+0x540/0x540
[  394.746791]  ? find_held_lock+0x36/0x1c0
[  394.750865]  ? out_of_memory+0x974/0x1430
[  394.755021]  ? lock_downgrade+0x900/0x900
[  394.759176]  ? check_preemption_disabled+0x48/0x280
[  394.764203]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.769142]  ? kasan_check_read+0x11/0x20
[  394.773294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.778585]  ? rcu_softirq_qs+0x20/0x20
[  394.782573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.788113]  ? oom_evaluate_task+0x302/0x540
[  394.792527]  out_of_memory+0xa84/0x1430
[  394.796517]  ? oom_killer_disable+0x3a0/0x3a0
[  394.801018]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  394.805962]  ? __ww_mutex_check_waiters+0x160/0x160
[  394.810997]  __alloc_pages_slowpath+0x2354/0x2e10
[  394.815878]  ? warn_alloc+0x120/0x120
[  394.819687]  ? mark_held_locks+0x130/0x130
[  394.823941]  ? find_get_entry+0xaae/0x1120
[  394.828191]  ? filemap_map_pages+0x1a20/0x1a20
[  394.832784]  ? zap_class+0x640/0x640
[  394.836513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.842075]  ? check_preemption_disabled+0x48/0x280
[  394.847097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.852655]  ? should_fail+0x22d/0xd01
[  394.856553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.861669]  ? zap_class+0x640/0x640
[  394.865423]  ? __lock_is_held+0xb5/0x140
[  394.869510]  ? mark_held_locks+0x130/0x130
[  394.873753]  ? lock_release+0xa00/0xa00
[  394.877736]  ? perf_trace_sched_process_exec+0x860/0x860
[  394.883191]  ? xa_load+0x2ba/0x460
[  394.886746]  ? lock_downgrade+0x900/0x900
[  394.890912]  ? __might_sleep+0x95/0x190
[  394.894896]  __alloc_pages_nodemask+0xa80/0xde0
[  394.899583]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  394.904608]  ? __page_cache_alloc+0x191/0x5c0
[  394.909107]  ? xa_load+0x2e1/0x460
[  394.912655]  ? xa_clear_mark+0x40/0x40
[  394.916547]  ? zap_class+0x640/0x640
[  394.920265]  ? zap_class+0x640/0x640
[  394.923989]  ? zap_class+0x640/0x640
[  394.927708]  ? zap_class+0x640/0x640
[  394.931433]  ? __do_page_cache_readahead+0x663/0x810
[  394.936545]  ? find_held_lock+0x36/0x1c0
[  394.940615]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  394.946167]  alloc_pages_current+0x173/0x350
[  394.950588]  __page_cache_alloc+0x38c/0x5c0
[  394.954921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  394.959861]  ? kasan_check_read+0x11/0x20
[  394.964016]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  394.969313]  ? generic_perform_write+0x6a0/0x6a0
[  394.974164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.979729]  ? check_preemption_disabled+0x48/0x280
[  394.984762]  filemap_fault+0x1595/0x25f0
[  394.988847]  ? __lock_page_or_retry+0xa00/0xa00
[  394.993529]  ? mark_held_locks+0x130/0x130
[  394.997780]  ? filemap_map_pages+0xd6b/0x1a20
[  395.002279]  ? lock_downgrade+0x900/0x900
[  395.006457]  ? check_preemption_disabled+0x48/0x280
[  395.011481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.016421]  ? kasan_check_read+0x11/0x20
[  395.020572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.025852]  ? rcu_softirq_qs+0x20/0x20
[  395.029850]  ? filemap_map_pages+0xd92/0x1a20
[  395.034354]  ? queue_work_on+0x12c/0x1e0
[  395.038425]  ? find_get_entries_tag+0x1400/0x1400
[  395.043281]  ? debug_object_destroy+0x2b0/0x2b0
[  395.047966]  ? lock_pi_update_atomic+0x150/0x150
[  395.052728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.058287]  ? lock_acquire+0x1ed/0x520
[  395.062275]  ? ext4_filemap_fault+0x7a/0xad
[  395.066615]  ? lock_release+0xa00/0xa00
[  395.070597]  ? perf_trace_sched_process_exec+0x860/0x860
[  395.076054]  ? print_usage_bug+0xc0/0xc0
[  395.080132]  ? print_usage_bug+0xc0/0xc0
[  395.084212]  ? down_read+0x8d/0x120
[  395.087863]  ? ext4_filemap_fault+0x7a/0xad
[  395.092188]  ? __down_interruptible+0x700/0x700
[  395.096871]  ext4_filemap_fault+0x82/0xad
[  395.101032]  __do_fault+0x100/0x6b0
[  395.104663]  ? find_held_lock+0x36/0x1c0
[  395.108729]  ? pmd_devmap_trans_unstable+0x220/0x220
[  395.113841]  ? mark_held_locks+0x130/0x130
[  395.118079]  ? mark_held_locks+0x130/0x130
[  395.122325]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.126821]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.131328]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  395.135929]  ? kasan_check_read+0x11/0x20
[  395.140091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.145657]  __handle_mm_fault+0x3ea0/0x5be0
[  395.150084]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  395.154943]  ? finish_task_switch+0x1f4/0x910
[  395.159444]  ? finish_task_switch+0x1b4/0x910
[  395.163960]  ? __switch_to_asm+0x34/0x70
[  395.168028]  ? preempt_notifier_register+0x200/0x200
[  395.173135]  ? __switch_to_asm+0x34/0x70
[  395.177200]  ? __switch_to_asm+0x34/0x70
[  395.181282]  ? zap_class+0x640/0x640
[  395.185007]  ? zap_class+0x640/0x640
[  395.188725]  ? __x64_sys_futex+0x53e/0x6a0
[  395.192968]  ? find_held_lock+0x36/0x1c0
[  395.197050]  ? handle_mm_fault+0x42a/0xc70
[  395.201290]  ? lock_downgrade+0x900/0x900
[  395.205451]  ? check_preemption_disabled+0x48/0x280
[  395.210477]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  395.215411]  ? kasan_check_read+0x11/0x20
[  395.219562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  395.224842]  ? rcu_softirq_qs+0x20/0x20
[  395.228819]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.233934]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.239475]  ? check_preemption_disabled+0x48/0x280
[  395.244506]  handle_mm_fault+0x54f/0xc70
[  395.248588]  ? __handle_mm_fault+0x5be0/0x5be0
[  395.253179]  ? find_vma+0x34/0x190
[  395.256728]  __do_page_fault+0x5e8/0xe60
[  395.260790]  ? trace_hardirqs_off+0xb8/0x310
[  395.265222]  do_page_fault+0xf2/0x7e0
[  395.269031]  ? vmalloc_sync_all+0x30/0x30
[  395.273182]  ? error_entry+0x70/0xd0
[  395.276918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.281943]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.286879]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.291811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.296676]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.301703]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.307162]  ? prepare_exit_to_usermode+0x291/0x3b0
[  395.312183]  ? page_fault+0x8/0x30
[  395.315729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.320582]  ? page_fault+0x8/0x30
[  395.324124]  page_fault+0x1e/0x30
[  395.327577] RIP: 0033:0x45ddf3
[  395.331295] Code: Bad RIP value.
[  395.334671] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  395.340032] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  395.347321] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  395.354590] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  395.361862] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  395.369130] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  395.376422] warn_alloc_show_mem: 1 callbacks suppressed
[  395.376435] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  395.376436] Mem-Info:
[  395.376469] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  395.376469]  active_file:15 inactive_file:15 isolated_file:0
[  395.376469]  unevictable:0 dirty:0 writeback:0 unstable:0
[  395.376469]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  395.376469]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  395.376469]  free:13750 free_pcp:296 free_cma:0
[  395.381815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.389092] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  395.391494] Call Trace:
[  395.424545] 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
[  395.433894]  <IRQ>
[  395.461378] lowmem_reserve[]: 0 2818 6321 6321
[  395.463990]  dump_stack+0x244/0x39d
[  395.490072] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  395.492244]  ? dump_stack_print_info.cold.1+0x20/0x20
[  395.496781] lowmem_reserve[]: 0 0 3503 3503
[  395.500435]  warn_alloc.cold.116+0xb7/0x1bd
[  395.527911] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  395.533107]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.537393] lowmem_reserve[]: 0 0 0 0
[  395.541731]  ? lock_downgrade+0x900/0x900
[  395.570695] 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
[  395.575561]  ? trace_hardirqs_off+0xb8/0x310
[  395.579329] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  395.583481]  ? trace_hardirqs_off+0xb8/0x310
[  395.596993] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  395.601412]  ? noop_count+0x40/0x40
[  395.616919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  395.621333]  __alloc_pages_slowpath+0x26e8/0x2e10
[  395.635437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  395.639082]  ? check_usage+0x1aa/0x790
[  395.647873] 2335 total pagecache pages
[  395.652717]  ? warn_alloc+0x120/0x120
[  395.661272] 0 pages in swap cache
[  395.665154]  ? warn_alloc+0x120/0x120
[  395.669019] Swap cache stats: add 0, delete 0, find 0/0
[  395.672809]  ? __bfs+0xb0/0x780
[  395.676239] Free swap  = 0kB
[  395.680046]  ? warn_alloc+0x120/0x120
[  395.685382] Total swap = 0kB
[  395.688662]  ? print_usage_bug+0xc0/0xc0
[  395.691656] 1965979 pages RAM
[  395.695467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.698448] 0 pages HighMem/MovableOnly
[  395.698457] 342853 pages reserved
[  395.702515]  ? should_fail+0x22d/0xd01
[  395.705591] 0 pages cma reserved
[  395.705681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.711134]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  395.715155] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.718530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.722396] syz-fuzzer cpuset=/ mems_allowed=0
[  395.725760]  ? __lock_acquire+0x62f/0x4c20
[  395.762228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.767341]  ? should_fail+0x22d/0xd01
[  395.771245]  ? mark_held_locks+0x130/0x130
[  395.775494]  ? mark_held_locks+0x130/0x130
[  395.779736]  ? print_usage_bug+0xc0/0xc0
[  395.783809]  ? find_held_lock+0x36/0x1c0
[  395.787880]  ? zap_class+0x640/0x640
[  395.791605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.797152]  ? check_preemption_disabled+0x48/0x280
[  395.802203]  ? __lock_is_held+0xb5/0x140
[  395.806279]  __alloc_pages_nodemask+0xa80/0xde0
[  395.810965]  ? zap_class+0x640/0x640
[  395.814688]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  395.819718]  ? find_held_lock+0x36/0x1c0
[  395.823797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.828473]  ? lock_downgrade+0x900/0x900
[  395.832634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.838181]  cache_grow_begin+0xa5/0x8c0
[  395.842246]  ? do_raw_spin_unlock+0xa7/0x330
[  395.846665]  fallback_alloc+0x204/0x2e0
[  395.850650]  ____cache_alloc_node+0x1c7/0x1e0
[  395.855155]  kmem_cache_alloc_node+0xe3/0x730
[  395.859656]  ? mark_held_locks+0xc7/0x130
[  395.863819]  __alloc_skb+0x119/0x770
[  395.867540]  ? netdev_alloc_frag+0x1f0/0x1f0
[  395.871951]  ? do_raw_spin_trylock+0x270/0x270
[  395.876538]  ? kmem_cache_alloc_trace+0x353/0x750
[  395.881386]  ? queue_work_on+0x12c/0x1e0
[  395.885464]  ? switchdev_port_obj_del+0xdc/0x440
[  395.890225]  ? switchdev_trans_item_enqueue+0x260/0x260
[  395.895590]  ? mod_timer+0x631/0x1560
[  395.899393]  ? wake_up_klogd+0x180/0x180
[  395.903462]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  395.908489]  __br_mdb_notify+0x4ff/0x15d0
[  395.912651]  ? __br_mdb_add+0x7f0/0x7f0
[  395.916641]  ? zap_class+0x640/0x640
[  395.920368]  ? br_multicast_group_expired+0x96/0x610
[  395.925482]  br_mdb_notify+0x310/0x410
[  395.929377]  ? br_mdb_dump+0x27b0/0x27b0
[  395.933454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.939004]  br_multicast_group_expired+0x1bc/0x610
[  395.944028]  ? br_mdb_free+0x80/0x80
[  395.947753]  call_timer_fn+0x272/0x920
[  395.951643]  ? br_mdb_free+0x80/0x80
[  395.955359]  ? process_timeout+0x40/0x40
[  395.959436]  ? __run_timers+0x7da/0xc70
[  395.963422]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.967918]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.972419]  ? br_mdb_free+0x80/0x80
[  395.976141]  ? lockdep_hardirqs_on+0x296/0x5b0
[  395.980727]  ? trace_hardirqs_on+0xbd/0x310
[  395.985051]  ? kasan_check_read+0x11/0x20
[  395.989204]  ? __run_timers+0x7da/0xc70
[  395.993182]  ? trace_hardirqs_off_caller+0x310/0x310
[  395.998297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.002551]  ? br_mdb_free+0x80/0x80
[  396.006277]  __run_timers+0x7e5/0xc70
[  396.010098]  ? timer_fixup_init+0x70/0x70
[  396.014260]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.019283]  ? zap_class+0x640/0x640
[  396.023012]  ? enqueue_hrtimer+0x1a5/0x560
[  396.027254]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.032454]  ? find_held_lock+0x36/0x1c0
[  396.036522]  ? zap_class+0x640/0x640
[  396.040241]  ? pvclock_read_flags+0x160/0x160
[  396.044743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.050287]  ? check_preemption_disabled+0x48/0x280
[  396.055333]  ? __lock_is_held+0xb5/0x140
[  396.059405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.064954]  ? check_preemption_disabled+0x48/0x280
[  396.069977]  run_timer_softirq+0x52/0xb0
[  396.074044]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.079068]  __do_softirq+0x308/0xb7e
[  396.082878]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.087377]  ? lock_downgrade+0x900/0x900
[  396.091537]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.096653]  ? pvclock_read_flags+0x160/0x160
[  396.101154]  ? lapic_next_event+0x5a/0x90
[  396.105319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.110869]  ? kvm_clock_read+0x18/0x30
[  396.114846]  ? kvm_sched_clock_read+0x9/0x20
[  396.119263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.124823]  ? check_preemption_disabled+0x48/0x280
[  396.129854]  irq_exit+0x17f/0x1c0
[  396.133325]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.138173]  ? smp_reschedule_interrupt+0x109/0x650
[  396.143192]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.149079]  ? interrupt_entry+0xb5/0xc0
[  396.153147]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.158168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.163209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.168058]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.173075]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.178101]  ? task_prio+0x50/0x50
[  396.181649]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.187201]  ? check_preemption_disabled+0x48/0x280
[  396.192235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.198642]  apic_timer_interrupt+0xf/0x20
[  396.202878]  </IRQ>
[  396.205138] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  396.210070] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  396.228976] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.236689] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  396.243960] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  396.251227] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  396.258500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  396.265773] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  396.273093]  skb_clone+0x1bb/0x500
[  396.276640]  ? finish_task_switch+0x2f4/0x910
[  396.281140]  ? skb_split+0x11e0/0x11e0
[  396.285033]  ? preempt_notifier_register+0x200/0x200
[  396.290140]  ? __switch_to_asm+0x34/0x70
[  396.294205]  ? __switch_to_asm+0x34/0x70
[  396.298263]  ? __switch_to_asm+0x40/0x70
[  396.302330]  ? __switch_to_asm+0x34/0x70
[  396.306396]  ? __switch_to_asm+0x40/0x70
[  396.310461]  ? __switch_to_asm+0x34/0x70
[  396.314521]  ? __switch_to_asm+0x40/0x70
[  396.318593]  ? __switch_to_asm+0x34/0x70
[  396.322658]  ? __switch_to_asm+0x34/0x70
[  396.326721]  ? __switch_to_asm+0x40/0x70
[  396.330785]  ? __switch_to_asm+0x34/0x70
[  396.334855]  bpf_clone_redirect+0xb9/0x490
[  396.339096]  ? __schedule+0x8d7/0x21d0
[  396.342992]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  396.348016]  ? __sched_text_start+0x8/0x8
[  396.352190]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  396.356962]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  396.361556]  ? retint_kernel+0x2d/0x2d
[  396.365452]  ? find_held_lock+0x36/0x1c0
[  396.369527]  ? lock_acquire+0x1ed/0x520
[  396.373509]  ? bpf_test_run+0x3cb/0x780
[  396.377493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.383037]  ? check_preemption_disabled+0x48/0x280
[  396.388065]  ? kasan_check_read+0x11/0x20
[  396.392214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.397498]  ? rcu_softirq_qs+0x20/0x20
[  396.401481]  ? preempt_schedule+0x4d/0x60
[  396.405636]  ? ___preempt_schedule+0x16/0x18
[  396.410055]  ? bpf_test_run+0x25d/0x780
[  396.414044]  ? netlink_diag_dump+0x2a0/0x2a0
[  396.418463]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.424006]  ? bpf_test_init.isra.10+0x70/0x100
[  396.428693]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  396.433465]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.438318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.443866]  ? fput+0x130/0x1a0
[  396.447151]  ? __bpf_prog_get+0x9b/0x290
[  396.451221]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  396.456065]  ? bpf_prog_test_run+0x130/0x1a0
[  396.460479]  ? __x64_sys_bpf+0x3d8/0x520
[  396.464547]  ? bpf_prog_get+0x20/0x20
[  396.468373]  ? do_syscall_64+0x1b9/0x820
[  396.472449]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.477818]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.482749]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.487598]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.492619]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  396.497641]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.502670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.507525]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.512918] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  396.513104] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  396.519858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.530339] syz-executor1 cpuset=syz1 mems_allowed=0
[  396.539683] Call Trace:
[  396.547348]  <IRQ>
[  396.549525]  dump_stack+0x244/0x39d
[  396.553165]  ? dump_stack_print_info.cold.1+0x20/0x20
[  396.558372]  warn_alloc.cold.116+0xb7/0x1bd
[  396.562703]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  396.567570]  ? lock_downgrade+0x900/0x900
[  396.571731]  ? trace_hardirqs_off+0xb8/0x310
[  396.576150]  ? trace_hardirqs_off+0xb8/0x310
[  396.580590]  __alloc_pages_slowpath+0x26e8/0x2e10
[  396.585469]  ? warn_alloc+0x120/0x120
[  396.589277]  ? print_usage_bug+0xc0/0xc0
[  396.593349]  ? warn_alloc+0x120/0x120
[  396.597157]  ? warn_alloc+0x120/0x120
[  396.600963]  ? print_usage_bug+0xc0/0xc0
[  396.605036]  ? print_usage_bug+0xc0/0xc0
[  396.609103]  ? __lock_acquire+0x62f/0x4c20
[  396.613349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.618892]  ? should_fail+0x22d/0xd01
[  396.622792]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.627898]  ? __lock_acquire+0x62f/0x4c20
[  396.632154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  396.637260]  ? __lock_acquire+0x62f/0x4c20
[  396.641498]  ? should_fail+0x22d/0xd01
[  396.645404]  ? find_held_lock+0x36/0x1c0
[  396.649478]  ? mark_held_locks+0x130/0x130
[  396.653725]  ? mark_held_locks+0x130/0x130
[  396.657961]  ? zap_class+0x640/0x640
[  396.661679]  ? zap_class+0x640/0x640
[  396.665403]  ? print_usage_bug+0xc0/0xc0
[  396.669466]  ? do_raw_spin_unlock+0xa7/0x330
[  396.673875]  ? zap_class+0x640/0x640
[  396.677595]  ? print_usage_bug+0xc0/0xc0
[  396.681680]  ? wq_watchdog_touch+0x9c/0xfe
[  396.685928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.691474]  ? check_preemption_disabled+0x48/0x280
[  396.696504]  ? __lock_is_held+0xb5/0x140
[  396.700578]  __alloc_pages_nodemask+0xa80/0xde0
[  396.705254]  ? zap_class+0x640/0x640
[  396.708982]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  396.714011]  ? find_held_lock+0x36/0x1c0
[  396.718091]  ? ____cache_alloc_node+0x1c7/0x1e0
[  396.722764]  ? lock_downgrade+0x900/0x900
[  396.726930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.732481]  cache_grow_begin+0xa5/0x8c0
[  396.736560]  ? do_raw_spin_unlock+0xa7/0x330
[  396.740979]  fallback_alloc+0x204/0x2e0
[  396.744965]  ____cache_alloc_node+0x1c7/0x1e0
[  396.749476]  kmem_cache_alloc_node+0xe3/0x730
[  396.753979]  ? ipv6_get_ifaddr+0x42e/0x620
[  396.758278]  __alloc_skb+0x119/0x770
[  396.762005]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  396.767293]  ? netdev_alloc_frag+0x1f0/0x1f0
[  396.771715]  ? lock_downgrade+0x900/0x900
[  396.775888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.781449]  ? refcount_sub_and_test_checked+0x203/0x310
[  396.786916]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  396.792374]  ? addrconf_rs_timer+0x690/0x690
[  396.796801]  ndisc_alloc_skb+0x144/0x340
[  396.800870]  ndisc_send_rs+0x331/0x6e0
[  396.804769]  addrconf_rs_timer+0x314/0x690
[  396.809012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.813262]  call_timer_fn+0x272/0x920
[  396.817153]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.821394]  ? process_timeout+0x40/0x40
[  396.825470]  ? mark_held_locks+0xc7/0x130
[  396.829622]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.834136]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.838634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.842872]  ? lockdep_hardirqs_on+0x296/0x5b0
[  396.847466]  ? trace_hardirqs_on+0xbd/0x310
[  396.851793]  ? kasan_check_read+0x11/0x20
[  396.855959]  ? __run_timers+0x7da/0xc70
[  396.859958]  ? trace_hardirqs_off_caller+0x310/0x310
[  396.865069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.869323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.873560]  __run_timers+0x7e5/0xc70
[  396.877375]  ? timer_fixup_init+0x70/0x70
[  396.881529]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.886551]  ? zap_class+0x640/0x640
[  396.890272]  ? print_usage_bug+0xc0/0xc0
[  396.894357]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.899557]  ? find_held_lock+0x36/0x1c0
[  396.903626]  ? zap_class+0x640/0x640
[  396.907369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.912921]  ? check_preemption_disabled+0x48/0x280
[  396.917958]  ? __lock_is_held+0xb5/0x140
[  396.922025]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.927565]  ? check_preemption_disabled+0x48/0x280
[  396.932590]  run_timer_softirq+0x52/0xb0
[  396.936671]  ? rcu_read_lock_sched_held+0x14f/0x180
[  396.941695]  __do_softirq+0x308/0xb7e
[  396.945506]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  396.950008]  ? lock_downgrade+0x900/0x900
[  396.954184]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  396.959300]  ? pvclock_read_flags+0x160/0x160
[  396.963812]  ? lapic_next_event+0x5a/0x90
[  396.967970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.973520]  ? kvm_clock_read+0x18/0x30
[  396.977501]  ? kvm_sched_clock_read+0x9/0x20
[  396.981936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.987480]  ? check_preemption_disabled+0x48/0x280
[  396.992518]  irq_exit+0x17f/0x1c0
[  396.995980]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.000824]  ? smp_reschedule_interrupt+0x109/0x650
[  397.005845]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.011745]  ? interrupt_entry+0xb5/0xc0
[  397.015811]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.020829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.025850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.030694]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.035713]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.040733]  ? task_prio+0x50/0x50
[  397.044278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.049828]  ? check_preemption_disabled+0x48/0x280
[  397.054854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.059708]  apic_timer_interrupt+0xf/0x20
[  397.063938]  </IRQ>
[  397.066188] RIP: 0010:console_unlock+0x102f/0x1190
[  397.071121] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  397.090022] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  397.097731] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  397.104999] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  397.112270] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  397.119553] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  397.126822] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  397.134107]  ? netconsole_netdev_event+0x280/0x280
[  397.139047]  ? console_unlock+0x1026/0x1190
[  397.143397]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  397.148070]  ? vprintk_emit+0x846/0x990
[  397.152068]  ? lock_release+0xa00/0xa00
[  397.156049]  ? trace_hardirqs_on+0x60/0x310
[  397.160377]  ? vprintk_default+0x28/0x30
[  397.164444]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.169555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.175103]  vprintk_emit+0x391/0x990
[  397.178924]  ? wake_up_klogd+0x180/0x180
[  397.182999]  ? find_held_lock+0x1/0x1c0
[  397.186989]  ? mark_held_locks+0xc7/0x130
[  397.191143]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.195641]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.200146]  vprintk_default+0x28/0x30
[  397.204042]  vprintk_func+0x7e/0x181
[  397.207760]  printk+0xa7/0xcf
[  397.210870]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  397.215639]  ? _raw_spin_unlock_irq+0x60/0x80
[  397.220170]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  397.225462]  dump_header+0x7cc/0xf72
[  397.229203]  ? pagefault_out_of_memory+0x197/0x197
[  397.234161]  ? __lock_acquire+0x62f/0x4c20
[  397.238415]  ? percpu_ref_get_many+0x240/0x240
[  397.243003]  ? print_usage_bug+0xc0/0xc0
[  397.247071]  ? zap_class+0x640/0x640
[  397.250792]  ? print_usage_bug+0xc0/0xc0
[  397.254857]  ? zap_class+0x640/0x640
[  397.258580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.264123]  ? find_held_lock+0x36/0x1c0
[  397.268213]  ? mark_held_locks+0xc7/0x130
[  397.272372]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.277480]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  397.282588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.287177]  ? trace_hardirqs_on+0xbd/0x310
[  397.291502]  ? kasan_check_read+0x11/0x20
[  397.295667]  ? ___ratelimit+0x3b4/0x672
[  397.299646]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.304752]  ? trace_hardirqs_on+0x310/0x310
[  397.309167]  ? lock_downgrade+0x900/0x900
[  397.313333]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  397.318446]  ? ___ratelimit+0x3b9/0x672
[  397.322428]  ? idr_get_free+0xf70/0xf70
[  397.326409]  ? find_held_lock+0x36/0x1c0
[  397.330594]  oom_kill_process.cold.27+0x10/0x903
[  397.335358]  ? zap_class+0x640/0x640
[  397.339076]  ? check_preemption_disabled+0x48/0x280
[  397.344099]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.349036]  ? kasan_check_read+0x11/0x20
[  397.353195]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.358476]  ? oom_evaluate_task+0x540/0x540
[  397.362891]  ? find_held_lock+0x36/0x1c0
[  397.366968]  ? out_of_memory+0x974/0x1430
[  397.371121]  ? lock_downgrade+0x900/0x900
[  397.375272]  ? check_preemption_disabled+0x48/0x280
[  397.380338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.385274]  ? kasan_check_read+0x11/0x20
[  397.389431]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.394712]  ? rcu_softirq_qs+0x20/0x20
[  397.398693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.404231]  ? oom_evaluate_task+0x302/0x540
[  397.408650]  out_of_memory+0xa84/0x1430
[  397.412638]  ? oom_killer_disable+0x3a0/0x3a0
[  397.417140]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  397.422078]  ? __ww_mutex_check_waiters+0x160/0x160
[  397.427109]  __alloc_pages_slowpath+0x2354/0x2e10
[  397.431983]  ? warn_alloc+0x120/0x120
[  397.435785]  ? mark_held_locks+0x130/0x130
[  397.440031]  ? find_get_entry+0xaae/0x1120
[  397.444283]  ? filemap_map_pages+0x1a20/0x1a20
[  397.448886]  ? zap_class+0x640/0x640
[  397.452629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.458176]  ? check_preemption_disabled+0x48/0x280
[  397.463200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.468745]  ? should_fail+0x22d/0xd01
[  397.472643]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.477762]  ? zap_class+0x640/0x640
[  397.481510]  ? __lock_is_held+0xb5/0x140
[  397.485632]  ? mark_held_locks+0x130/0x130
[  397.489877]  ? lock_release+0xa00/0xa00
[  397.493861]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.499326]  ? xa_load+0x2ba/0x460
[  397.502878]  ? lock_downgrade+0x900/0x900
[  397.507038]  ? __might_sleep+0x95/0x190
[  397.511021]  __alloc_pages_nodemask+0xa80/0xde0
[  397.515705]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  397.520730]  ? __page_cache_alloc+0x191/0x5c0
[  397.525229]  ? xa_load+0x2e1/0x460
[  397.528778]  ? xa_clear_mark+0x40/0x40
[  397.532669]  ? zap_class+0x640/0x640
[  397.536386]  ? zap_class+0x640/0x640
[  397.540129]  ? zap_class+0x640/0x640
[  397.543846]  ? zap_class+0x640/0x640
[  397.547566]  ? __do_page_cache_readahead+0x663/0x810
[  397.552677]  ? find_held_lock+0x36/0x1c0
[  397.556749]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  397.562313]  alloc_pages_current+0x173/0x350
[  397.566737]  __page_cache_alloc+0x38c/0x5c0
[  397.571059]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.575997]  ? kasan_check_read+0x11/0x20
[  397.580156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.585440]  ? generic_perform_write+0x6a0/0x6a0
[  397.590217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.595760]  ? check_preemption_disabled+0x48/0x280
[  397.600788]  filemap_fault+0x1595/0x25f0
[  397.604865]  ? __lock_page_or_retry+0xa00/0xa00
[  397.609539]  ? mark_held_locks+0x130/0x130
[  397.613799]  ? filemap_map_pages+0xd6b/0x1a20
[  397.618298]  ? lock_downgrade+0x900/0x900
[  397.622465]  ? check_preemption_disabled+0x48/0x280
[  397.627493]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.632430]  ? kasan_check_read+0x11/0x20
[  397.636586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.641866]  ? rcu_softirq_qs+0x20/0x20
[  397.645856]  ? filemap_map_pages+0xd92/0x1a20
[  397.650359]  ? queue_work_on+0x12c/0x1e0
[  397.654433]  ? find_get_entries_tag+0x1400/0x1400
[  397.659284]  ? debug_object_destroy+0x2b0/0x2b0
[  397.663967]  ? lock_pi_update_atomic+0x150/0x150
[  397.668725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.674281]  ? lock_acquire+0x1ed/0x520
[  397.678265]  ? ext4_filemap_fault+0x7a/0xad
[  397.682599]  ? lock_release+0xa00/0xa00
[  397.686578]  ? perf_trace_sched_process_exec+0x860/0x860
[  397.692031]  ? print_usage_bug+0xc0/0xc0
[  397.696095]  ? print_usage_bug+0xc0/0xc0
[  397.700177]  ? down_read+0x8d/0x120
[  397.703804]  ? ext4_filemap_fault+0x7a/0xad
[  397.708131]  ? __down_interruptible+0x700/0x700
[  397.712829]  ext4_filemap_fault+0x82/0xad
[  397.716990]  __do_fault+0x100/0x6b0
[  397.720623]  ? find_held_lock+0x36/0x1c0
[  397.724689]  ? pmd_devmap_trans_unstable+0x220/0x220
[  397.729812]  ? mark_held_locks+0x130/0x130
[  397.734071]  ? mark_held_locks+0x130/0x130
[  397.738315]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.742815]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.747324]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  397.751926]  ? kasan_check_read+0x11/0x20
[  397.756080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.761631]  __handle_mm_fault+0x3ea0/0x5be0
[  397.766052]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  397.770904]  ? finish_task_switch+0x1f4/0x910
[  397.775408]  ? finish_task_switch+0x1b4/0x910
[  397.779913]  ? __switch_to_asm+0x34/0x70
[  397.783981]  ? preempt_notifier_register+0x200/0x200
[  397.789088]  ? __switch_to_asm+0x34/0x70
[  397.793149]  ? __switch_to_asm+0x34/0x70
[  397.797227]  ? zap_class+0x640/0x640
[  397.800941]  ? zap_class+0x640/0x640
[  397.804659]  ? __x64_sys_futex+0x53e/0x6a0
[  397.808905]  ? find_held_lock+0x36/0x1c0
[  397.812989]  ? handle_mm_fault+0x42a/0xc70
[  397.817237]  ? lock_downgrade+0x900/0x900
[  397.821391]  ? check_preemption_disabled+0x48/0x280
[  397.826412]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  397.831360]  ? kasan_check_read+0x11/0x20
[  397.835524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  397.840803]  ? rcu_softirq_qs+0x20/0x20
[  397.844783]  ? trace_hardirqs_off_caller+0x310/0x310
[  397.849896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.855445]  ? check_preemption_disabled+0x48/0x280
[  397.860472]  handle_mm_fault+0x54f/0xc70
[  397.864539]  ? __handle_mm_fault+0x5be0/0x5be0
[  397.869129]  ? find_vma+0x34/0x190
[  397.872678]  __do_page_fault+0x5e8/0xe60
[  397.876760]  ? trace_hardirqs_off+0xb8/0x310
[  397.881182]  do_page_fault+0xf2/0x7e0
[  397.884987]  ? vmalloc_sync_all+0x30/0x30
[  397.889138]  ? error_entry+0x70/0xd0
[  397.892861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.897880]  ? trace_hardirqs_on_caller+0xc0/0x310
[  397.902822]  ? syscall_return_slowpath+0x5e0/0x5e0
[  397.907754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.912600]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.917620]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.923078]  ? prepare_exit_to_usermode+0x291/0x3b0
[  397.928098]  ? page_fault+0x8/0x30
[  397.931643]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.936494]  ? page_fault+0x8/0x30
[  397.940041]  page_fault+0x1e/0x30
[  397.943494] RIP: 0033:0x45ddf3
[  397.946704] Code: Bad RIP value.
[  397.950104] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  397.955472] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  397.962742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  397.970014] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  397.977287] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  397.984570] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  397.991879] warn_alloc_show_mem: 1 callbacks suppressed
[  397.991892] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  397.991893] Mem-Info:
[  397.991933] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  397.991933]  active_file:15 inactive_file:15 isolated_file:0
[  397.991933]  unevictable:0 dirty:0 writeback:0 unstable:0
[  397.991933]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  397.991933]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  397.991933]  free:13750 free_pcp:296 free_cma:0
[  397.997272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.004553] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  398.006965] Call Trace:
[  398.040016] 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
[  398.049374]  <IRQ>
[  398.076860] lowmem_reserve[]: 0 2818 6321 6321
[  398.079482]  dump_stack+0x244/0x39d
[  398.105574] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  398.107737]  ? dump_stack_print_info.cold.1+0x20/0x20
[  398.112293] lowmem_reserve[]: 0 0 3503 3503
[  398.115961]  warn_alloc.cold.116+0xb7/0x1bd
[  398.143434] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  398.148632]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.152923] lowmem_reserve[]: 0 0 0 0
[  398.157250]  ? lock_downgrade+0x900/0x900
[  398.186220] 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
[  398.191074]  ? trace_hardirqs_off+0xb8/0x310
[  398.194843] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  398.199346]  ? trace_hardirqs_off+0xb8/0x310
[  398.212842] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  398.217266]  __alloc_pages_slowpath+0x26e8/0x2e10
[  398.232760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  398.237186]  ? warn_alloc+0x120/0x120
[  398.251269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  398.256108]  ? warn_alloc+0x120/0x120
[  398.264934] 2335 total pagecache pages
[  398.268738]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.277313] 0 pages in swap cache
[  398.281106]  ? warn_alloc+0x120/0x120
[  398.284971] Swap cache stats: add 0, delete 0, find 0/0
[  398.289981]  ? print_usage_bug+0xc0/0xc0
[  398.293407] Free swap  = 0kB
[  398.297208]  ? print_usage_bug+0xc0/0xc0
[  398.302550] Total swap = 0kB
[  398.306607]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.309602] 1965979 pages RAM
[  398.313662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.317061] 0 pages HighMem/MovableOnly
[  398.317070] 342853 pages reserved
[  398.322278]  ? should_fail+0x22d/0xd01
[  398.325369] 0 pages cma reserved
[  398.330908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.334950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.338322]  ? __lock_acquire+0x62f/0x4c20
[  398.338341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.338357]  ? should_fail+0x22d/0xd01
[  398.342541] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.345605]  ? mark_held_locks+0x130/0x130
[  398.350680] syz-fuzzer cpuset=/ mems_allowed=0
[  398.357180]  ? mark_held_locks+0x130/0x130
[  398.393580]  ? print_usage_bug+0xc0/0xc0
[  398.397653]  ? find_held_lock+0x36/0x1c0
[  398.401731]  ? zap_class+0x640/0x640
[  398.405460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.411006]  ? check_preemption_disabled+0x48/0x280
[  398.416035]  ? __lock_is_held+0xb5/0x140
[  398.420106]  __alloc_pages_nodemask+0xa80/0xde0
[  398.424778]  ? zap_class+0x640/0x640
[  398.428500]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  398.433532]  ? find_held_lock+0x36/0x1c0
[  398.437609]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.442281]  ? lock_downgrade+0x900/0x900
[  398.446457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.452002]  cache_grow_begin+0xa5/0x8c0
[  398.456070]  ? do_raw_spin_unlock+0xa7/0x330
[  398.460489]  fallback_alloc+0x204/0x2e0
[  398.464475]  ____cache_alloc_node+0x1c7/0x1e0
[  398.468980]  kmem_cache_alloc_node+0xe3/0x730
[  398.473478]  ? mark_held_locks+0xc7/0x130
[  398.477647]  __alloc_skb+0x119/0x770
[  398.481368]  ? netdev_alloc_frag+0x1f0/0x1f0
[  398.485781]  ? do_raw_spin_trylock+0x270/0x270
[  398.490373]  ? kmem_cache_alloc_trace+0x353/0x750
[  398.495225]  ? queue_work_on+0x12c/0x1e0
[  398.499300]  ? switchdev_port_obj_del+0xdc/0x440
[  398.504070]  ? switchdev_trans_item_enqueue+0x260/0x260
[  398.509462]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.514489]  __br_mdb_notify+0x4ff/0x15d0
[  398.518659]  ? __br_mdb_add+0x7f0/0x7f0
[  398.522651]  ? zap_class+0x640/0x640
[  398.526383]  ? br_multicast_group_expired+0x96/0x610
[  398.531498]  ? lock_downgrade+0x900/0x900
[  398.535663]  br_mdb_notify+0x310/0x410
[  398.539557]  ? br_mdb_dump+0x27b0/0x27b0
[  398.543629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.549181]  br_multicast_group_expired+0x1bc/0x610
[  398.554210]  ? br_mdb_free+0x80/0x80
[  398.557937]  call_timer_fn+0x272/0x920
[  398.561830]  ? br_mdb_free+0x80/0x80
[  398.565565]  ? process_timeout+0x40/0x40
[  398.569636]  ? __run_timers+0x7da/0xc70
[  398.573619]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.578115]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.582615]  ? br_mdb_free+0x80/0x80
[  398.586341]  ? lockdep_hardirqs_on+0x296/0x5b0
[  398.590929]  ? trace_hardirqs_on+0xbd/0x310
[  398.595256]  ? kasan_check_read+0x11/0x20
[  398.599415]  ? __run_timers+0x7da/0xc70
[  398.603395]  ? trace_hardirqs_off_caller+0x310/0x310
[  398.608514]  ? br_mdb_free+0x80/0x80
[  398.612235]  ? br_mdb_free+0x80/0x80
[  398.615949]  __run_timers+0x7e5/0xc70
[  398.619765]  ? timer_fixup_init+0x70/0x70
[  398.623920]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.628967]  ? zap_class+0x640/0x640
[  398.632687]  ? enqueue_hrtimer+0x1a5/0x560
[  398.636924]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.642125]  ? find_held_lock+0x36/0x1c0
[  398.646195]  ? zap_class+0x640/0x640
[  398.649918]  ? pvclock_read_flags+0x160/0x160
[  398.654429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.659974]  ? check_preemption_disabled+0x48/0x280
[  398.665002]  ? __lock_is_held+0xb5/0x140
[  398.669067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.674619]  ? check_preemption_disabled+0x48/0x280
[  398.679645]  run_timer_softirq+0x52/0xb0
[  398.683710]  ? rcu_read_lock_sched_held+0x14f/0x180
[  398.688732]  __do_softirq+0x308/0xb7e
[  398.692541]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  398.697042]  ? lock_downgrade+0x900/0x900
[  398.701204]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  398.706326]  ? pvclock_read_flags+0x160/0x160
[  398.710842]  ? lapic_next_event+0x5a/0x90
[  398.714996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.720542]  ? kvm_clock_read+0x18/0x30
[  398.724519]  ? kvm_sched_clock_read+0x9/0x20
[  398.728943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.734488]  ? check_preemption_disabled+0x48/0x280
[  398.739519]  irq_exit+0x17f/0x1c0
[  398.742984]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.747830]  ? smp_reschedule_interrupt+0x109/0x650
[  398.752875]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.758768]  ? interrupt_entry+0xb5/0xc0
[  398.762839]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.767856]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.772878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.777728]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.782751]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.787775]  ? task_prio+0x50/0x50
[  398.791341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.796884]  ? check_preemption_disabled+0x48/0x280
[  398.801915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.806769]  apic_timer_interrupt+0xf/0x20
[  398.811003]  </IRQ>
[  398.813246] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  398.818182] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  398.837098] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.844823] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  398.852110] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  398.859380] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  398.866651] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  398.873947] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  398.881270]  skb_clone+0x1bb/0x500
[  398.884828]  ? finish_task_switch+0x2f4/0x910
[  398.889339]  ? skb_split+0x11e0/0x11e0
[  398.893234]  ? preempt_notifier_register+0x200/0x200
[  398.898345]  ? __switch_to_asm+0x34/0x70
[  398.902413]  ? __switch_to_asm+0x34/0x70
[  398.906476]  ? __switch_to_asm+0x40/0x70
[  398.910548]  ? __switch_to_asm+0x34/0x70
[  398.914607]  ? __switch_to_asm+0x40/0x70
[  398.918679]  ? __switch_to_asm+0x34/0x70
[  398.922738]  ? __switch_to_asm+0x40/0x70
[  398.926812]  ? __switch_to_asm+0x34/0x70
[  398.930876]  ? __switch_to_asm+0x34/0x70
[  398.934935]  ? __switch_to_asm+0x40/0x70
[  398.938994]  ? __switch_to_asm+0x34/0x70
[  398.943064]  bpf_clone_redirect+0xb9/0x490
[  398.947314]  ? __schedule+0x8d7/0x21d0
[  398.951216]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  398.956241]  ? __sched_text_start+0x8/0x8
[  398.960400]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  398.965174]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  398.969757]  ? retint_kernel+0x2d/0x2d
[  398.973695]  ? find_held_lock+0x36/0x1c0
[  398.977767]  ? lock_acquire+0x1ed/0x520
[  398.981745]  ? bpf_test_run+0x3cb/0x780
[  398.985725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.991268]  ? check_preemption_disabled+0x48/0x280
[  398.996293]  ? kasan_check_read+0x11/0x20
[  399.000457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.005740]  ? rcu_softirq_qs+0x20/0x20
[  399.009725]  ? preempt_schedule+0x4d/0x60
[  399.013879]  ? ___preempt_schedule+0x16/0x18
[  399.018299]  ? bpf_test_run+0x25d/0x780
[  399.022298]  ? netlink_diag_dump+0x2a0/0x2a0
[  399.026728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.032266]  ? bpf_test_init.isra.10+0x70/0x100
[  399.036945]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  399.041712]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.046564]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  399.052106]  ? fput+0x130/0x1a0
[  399.055396]  ? __bpf_prog_get+0x9b/0x290
[  399.059465]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  399.064330]  ? bpf_prog_test_run+0x130/0x1a0
[  399.068744]  ? __x64_sys_bpf+0x3d8/0x520
[  399.072806]  ? bpf_prog_get+0x20/0x20
[  399.076631]  ? do_syscall_64+0x1b9/0x820
[  399.080698]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  399.086069]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.091012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.095875]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.100900]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  399.105920]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.110947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.115800]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  399.121222] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  399.121446] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  399.128159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.138628] syz-executor1 cpuset=syz1 mems_allowed=0
[  399.147978] Call Trace:
[  399.155643]  <IRQ>
[  399.157808]  dump_stack+0x244/0x39d
[  399.161446]  ? dump_stack_print_info.cold.1+0x20/0x20
[  399.166658]  warn_alloc.cold.116+0xb7/0x1bd
[  399.170988]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.175844]  ? lock_downgrade+0x900/0x900
[  399.180013]  ? trace_hardirqs_off+0xb8/0x310
[  399.184432]  ? trace_hardirqs_off+0xb8/0x310
[  399.188859]  __alloc_pages_slowpath+0x26e8/0x2e10
[  399.193735]  ? warn_alloc+0x120/0x120
[  399.197543]  ? warn_alloc+0x120/0x120
[  399.201352]  ? warn_alloc+0x120/0x120
[  399.205160]  ? print_usage_bug+0xc0/0xc0
[  399.209226]  ? __lock_acquire+0x62f/0x4c20
[  399.213470]  ? print_usage_bug+0xc0/0xc0
[  399.217544]  ? __lock_acquire+0x62f/0x4c20
[  399.221792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.227340]  ? should_fail+0x22d/0xd01
[  399.231230]  ? __lock_acquire+0x62f/0x4c20
[  399.235470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.240589]  ? __lock_acquire+0x62f/0x4c20
[  399.244836]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.249947]  ? __lock_acquire+0x62f/0x4c20
[  399.254187]  ? should_fail+0x22d/0xd01
[  399.258092]  ? mark_held_locks+0x130/0x130
[  399.262343]  ? mark_held_locks+0x130/0x130
[  399.266586]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.271702]  ? zap_class+0x640/0x640
[  399.275419]  ? print_usage_bug+0xc0/0xc0
[  399.279493]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.285037]  ? check_preemption_disabled+0x48/0x280
[  399.290068]  ? __lock_is_held+0xb5/0x140
[  399.294142]  __alloc_pages_nodemask+0xa80/0xde0
[  399.298818]  ? zap_class+0x640/0x640
[  399.302541]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  399.307574]  ? find_held_lock+0x36/0x1c0
[  399.311650]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.316333]  ? lock_downgrade+0x900/0x900
[  399.320494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.326066]  cache_grow_begin+0xa5/0x8c0
[  399.330594]  ? do_raw_spin_unlock+0xa7/0x330
[  399.335019]  fallback_alloc+0x204/0x2e0
[  399.339002]  ____cache_alloc_node+0x1c7/0x1e0
[  399.343506]  kmem_cache_alloc_node+0xe3/0x730
[  399.348012]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.352263]  __alloc_skb+0x119/0x770
[  399.355981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.361267]  ? netdev_alloc_frag+0x1f0/0x1f0
[  399.365701]  ? lock_downgrade+0x900/0x900
[  399.369862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.375415]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.380876]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.386341]  ? addrconf_rs_timer+0x690/0x690
[  399.390777]  ndisc_alloc_skb+0x144/0x340
[  399.394856]  ndisc_send_rs+0x331/0x6e0
[  399.398750]  addrconf_rs_timer+0x314/0x690
[  399.402994]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.407246]  call_timer_fn+0x272/0x920
[  399.411140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.415392]  ? process_timeout+0x40/0x40
[  399.419471]  ? mark_held_locks+0xc7/0x130
[  399.423623]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.428119]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.432619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.436860]  ? lockdep_hardirqs_on+0x296/0x5b0
[  399.441453]  ? trace_hardirqs_on+0xbd/0x310
[  399.445781]  ? kasan_check_read+0x11/0x20
[  399.449934]  ? __run_timers+0x7da/0xc70
[  399.453925]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.459041]  ? prandom_seed_full_state+0x3b0/0x3b0
[  399.463983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  399.468218]  __run_timers+0x7e5/0xc70
[  399.472034]  ? timer_fixup_init+0x70/0x70
[  399.476187]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  399.481206]  ? zap_class+0x640/0x640
[  399.484935]  ? print_usage_bug+0xc0/0xc0
[  399.489002]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  399.494204]  ? find_held_lock+0x36/0x1c0
[  399.498281]  ? zap_class+0x640/0x640
[  399.502015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.507564]  ? check_preemption_disabled+0x48/0x280
[  399.512600]  ? __lock_is_held+0xb5/0x140
[  399.516674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.522221]  ? check_preemption_disabled+0x48/0x280
[  399.527254]  run_timer_softirq+0x52/0xb0
[  399.531327]  ? rcu_read_lock_sched_held+0x14f/0x180
[  399.536350]  __do_softirq+0x308/0xb7e
[  399.540156]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  399.544658]  ? lock_downgrade+0x900/0x900
[  399.548813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  399.553932]  ? pvclock_read_flags+0x160/0x160
[  399.558436]  ? lapic_next_event+0x5a/0x90
[  399.562596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.568141]  ? kvm_clock_read+0x18/0x30
[  399.572128]  ? kvm_sched_clock_read+0x9/0x20
[  399.576542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.582086]  ? check_preemption_disabled+0x48/0x280
[  399.587119]  irq_exit+0x17f/0x1c0
[  399.590579]  smp_apic_timer_interrupt+0x1cb/0x760
[  399.595424]  ? smp_reschedule_interrupt+0x109/0x650
[  399.600449]  ? smp_call_function_single_interrupt+0x650/0x650
[  399.606338]  ? interrupt_entry+0xb5/0xc0
[  399.610426]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.615450]  ? trace_hardirqs_off_caller+0xbb/0x310
[  399.620474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.625331]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.630353]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.635376]  ? task_prio+0x50/0x50
[  399.638928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.644471]  ? check_preemption_disabled+0x48/0x280
[  399.649502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.654361]  apic_timer_interrupt+0xf/0x20
[  399.658634]  </IRQ>
[  399.660879] RIP: 0010:console_unlock+0x102f/0x1190
[  399.665823] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  399.684760] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  399.692473] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  399.699743] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  399.707013] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  399.714287] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  399.721570] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  399.728859]  ? netconsole_netdev_event+0x280/0x280
[  399.733800]  ? console_unlock+0x1026/0x1190
[  399.738141]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  399.742811]  ? vprintk_emit+0x846/0x990
[  399.746793]  ? lock_release+0xa00/0xa00
[  399.750778]  ? trace_hardirqs_on+0x60/0x310
[  399.755099]  ? vprintk_default+0x28/0x30
[  399.759163]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.764270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.769823]  vprintk_emit+0x391/0x990
[  399.773630]  ? wake_up_klogd+0x180/0x180
[  399.777701]  ? find_held_lock+0x1/0x1c0
[  399.781695]  ? mark_held_locks+0xc7/0x130
[  399.785851]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.790346]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.794851]  vprintk_default+0x28/0x30
[  399.798745]  vprintk_func+0x7e/0x181
[  399.802467]  printk+0xa7/0xcf
[  399.805581]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  399.810349]  ? _raw_spin_unlock_irq+0x60/0x80
[  399.814862]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  399.820150]  dump_header+0x7cc/0xf72
[  399.823877]  ? pagefault_out_of_memory+0x197/0x197
[  399.828821]  ? __lock_acquire+0x62f/0x4c20
[  399.833065]  ? percpu_ref_get_many+0x240/0x240
[  399.837651]  ? print_usage_bug+0xc0/0xc0
[  399.841725]  ? zap_class+0x640/0x640
[  399.845446]  ? print_usage_bug+0xc0/0xc0
[  399.849542]  ? zap_class+0x640/0x640
[  399.853265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.858820]  ? find_held_lock+0x36/0x1c0
[  399.862897]  ? mark_held_locks+0xc7/0x130
[  399.867065]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.872169]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  399.877278]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  399.881875]  ? trace_hardirqs_on+0xbd/0x310
[  399.886209]  ? kasan_check_read+0x11/0x20
[  399.890359]  ? ___ratelimit+0x3b4/0x672
[  399.894350]  ? trace_hardirqs_off_caller+0x310/0x310
[  399.899459]  ? trace_hardirqs_on+0x310/0x310
[  399.903876]  ? lock_downgrade+0x900/0x900
[  399.908033]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  399.913142]  ? ___ratelimit+0x3b9/0x672
[  399.917120]  ? idr_get_free+0xf70/0xf70
[  399.921095]  ? find_held_lock+0x36/0x1c0
[  399.925173]  oom_kill_process.cold.27+0x10/0x903
[  399.929938]  ? zap_class+0x640/0x640
[  399.933660]  ? check_preemption_disabled+0x48/0x280
[  399.938684]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.943623]  ? kasan_check_read+0x11/0x20
[  399.947785]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.953071]  ? oom_evaluate_task+0x540/0x540
[  399.957487]  ? find_held_lock+0x36/0x1c0
[  399.961561]  ? out_of_memory+0x974/0x1430
[  399.965712]  ? lock_downgrade+0x900/0x900
[  399.969870]  ? check_preemption_disabled+0x48/0x280
[  399.974895]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  399.979832]  ? kasan_check_read+0x11/0x20
[  399.983979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  399.989268]  ? rcu_softirq_qs+0x20/0x20
[  399.993251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.998818]  ? oom_evaluate_task+0x302/0x540
[  400.003233]  out_of_memory+0xa84/0x1430
[  400.007231]  ? oom_killer_disable+0x3a0/0x3a0
[  400.011735]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  400.016673]  ? __ww_mutex_check_waiters+0x160/0x160
[  400.021702]  __alloc_pages_slowpath+0x2354/0x2e10
[  400.026586]  ? warn_alloc+0x120/0x120
[  400.030394]  ? mark_held_locks+0x130/0x130
[  400.034638]  ? find_get_entry+0xaae/0x1120
[  400.038886]  ? filemap_map_pages+0x1a20/0x1a20
[  400.043478]  ? zap_class+0x640/0x640
[  400.047201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.052749]  ? check_preemption_disabled+0x48/0x280
[  400.057771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.063322]  ? should_fail+0x22d/0xd01
[  400.067226]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.072352]  ? zap_class+0x640/0x640
[  400.076091]  ? __lock_is_held+0xb5/0x140
[  400.080165]  ? mark_held_locks+0x130/0x130
[  400.084407]  ? lock_release+0xa00/0xa00
[  400.088390]  ? perf_trace_sched_process_exec+0x860/0x860
[  400.093842]  ? xa_load+0x2ba/0x460
[  400.097388]  ? lock_downgrade+0x900/0x900
[  400.101546]  ? __might_sleep+0x95/0x190
[  400.105531]  __alloc_pages_nodemask+0xa80/0xde0
[  400.110211]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  400.115233]  ? __page_cache_alloc+0x191/0x5c0
[  400.119730]  ? xa_load+0x2e1/0x460
[  400.123276]  ? xa_clear_mark+0x40/0x40
[  400.127174]  ? zap_class+0x640/0x640
[  400.130897]  ? zap_class+0x640/0x640
[  400.134627]  ? zap_class+0x640/0x640
[  400.138350]  ? zap_class+0x640/0x640
[  400.142081]  ? __do_page_cache_readahead+0x663/0x810
[  400.147203]  ? find_held_lock+0x36/0x1c0
[  400.151278]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  400.156835]  alloc_pages_current+0x173/0x350
[  400.161254]  __page_cache_alloc+0x38c/0x5c0
[  400.165578]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.170512]  ? kasan_check_read+0x11/0x20
[  400.174661]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.179973]  ? generic_perform_write+0x6a0/0x6a0
[  400.184733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.190275]  ? check_preemption_disabled+0x48/0x280
[  400.195321]  filemap_fault+0x1595/0x25f0
[  400.199522]  ? __lock_page_or_retry+0xa00/0xa00
[  400.204202]  ? mark_held_locks+0x130/0x130
[  400.208449]  ? filemap_map_pages+0xd6b/0x1a20
[  400.212965]  ? lock_downgrade+0x900/0x900
[  400.217121]  ? check_preemption_disabled+0x48/0x280
[  400.222157]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.227094]  ? kasan_check_read+0x11/0x20
[  400.231243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.236535]  ? rcu_softirq_qs+0x20/0x20
[  400.240530]  ? filemap_map_pages+0xd92/0x1a20
[  400.245035]  ? queue_work_on+0x12c/0x1e0
[  400.249109]  ? find_get_entries_tag+0x1400/0x1400
[  400.253959]  ? debug_object_destroy+0x2b0/0x2b0
[  400.258634]  ? lock_pi_update_atomic+0x150/0x150
[  400.263392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.268954]  ? lock_acquire+0x1ed/0x520
[  400.272935]  ? ext4_filemap_fault+0x7a/0xad
[  400.277268]  ? lock_release+0xa00/0xa00
[  400.281243]  ? perf_trace_sched_process_exec+0x860/0x860
[  400.286699]  ? print_usage_bug+0xc0/0xc0
[  400.290769]  ? print_usage_bug+0xc0/0xc0
[  400.294843]  ? down_read+0x8d/0x120
[  400.298475]  ? ext4_filemap_fault+0x7a/0xad
[  400.302800]  ? __down_interruptible+0x700/0x700
[  400.307481]  ext4_filemap_fault+0x82/0xad
[  400.311638]  __do_fault+0x100/0x6b0
[  400.315271]  ? find_held_lock+0x36/0x1c0
[  400.319348]  ? pmd_devmap_trans_unstable+0x220/0x220
[  400.324458]  ? mark_held_locks+0x130/0x130
[  400.328700]  ? mark_held_locks+0x130/0x130
[  400.332939]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.337438]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.341942]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  400.346534]  ? kasan_check_read+0x11/0x20
[  400.350688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.356234]  __handle_mm_fault+0x3ea0/0x5be0
[  400.360670]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  400.365519]  ? finish_task_switch+0x1f4/0x910
[  400.370019]  ? finish_task_switch+0x1b4/0x910
[  400.374519]  ? __switch_to_asm+0x34/0x70
[  400.378588]  ? preempt_notifier_register+0x200/0x200
[  400.383692]  ? __switch_to_asm+0x34/0x70
[  400.387755]  ? __switch_to_asm+0x34/0x70
[  400.391850]  ? zap_class+0x640/0x640
[  400.395566]  ? zap_class+0x640/0x640
[  400.399290]  ? __x64_sys_futex+0x53e/0x6a0
[  400.403558]  ? find_held_lock+0x36/0x1c0
[  400.407701]  ? handle_mm_fault+0x42a/0xc70
[  400.411960]  ? lock_downgrade+0x900/0x900
[  400.416143]  ? check_preemption_disabled+0x48/0x280
[  400.421185]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  400.426131]  ? kasan_check_read+0x11/0x20
[  400.430390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  400.435712]  ? rcu_softirq_qs+0x20/0x20
[  400.439703]  ? trace_hardirqs_off_caller+0x310/0x310
[  400.444833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.450390]  ? check_preemption_disabled+0x48/0x280
[  400.455432]  handle_mm_fault+0x54f/0xc70
[  400.459514]  ? __handle_mm_fault+0x5be0/0x5be0
[  400.464117]  ? find_vma+0x34/0x190
[  400.467671]  __do_page_fault+0x5e8/0xe60
[  400.471742]  ? trace_hardirqs_off+0xb8/0x310
[  400.476178]  do_page_fault+0xf2/0x7e0
[  400.480001]  ? vmalloc_sync_all+0x30/0x30
[  400.484202]  ? error_entry+0x70/0xd0
[  400.487949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.492992]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.497940]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.502942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.507842]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.512887]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.518419]  ? prepare_exit_to_usermode+0x291/0x3b0
[  400.523470]  ? page_fault+0x8/0x30
[  400.527025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.531945]  ? page_fault+0x8/0x30
[  400.535554]  page_fault+0x1e/0x30
[  400.539087] RIP: 0033:0x45ddf3
[  400.542352] Code: Bad RIP value.
[  400.545751] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  400.551118] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  400.558397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  400.565732] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  400.573037] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  400.580334] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  400.587648] warn_alloc_show_mem: 1 callbacks suppressed
[  400.587660] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  400.587662] Mem-Info:
[  400.587695] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  400.587695]  active_file:15 inactive_file:15 isolated_file:0
[  400.587695]  unevictable:0 dirty:0 writeback:0 unstable:0
[  400.587695]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  400.587695]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  400.587695]  free:13750 free_pcp:296 free_cma:0
[  400.593050] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.600360] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  400.602768] Call Trace:
[  400.635826] 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
[  400.645190]  <IRQ>
[  400.672690] lowmem_reserve[]: 0 2818 6321 6321
[  400.675294]  dump_stack+0x244/0x39d
[  400.701390] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  400.703580]  ? dump_stack_print_info.cold.1+0x20/0x20
[  400.708125] lowmem_reserve[]: 0 0 3503 3503
[  400.711772]  warn_alloc.cold.116+0xb7/0x1bd
[  400.739275] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  400.744559]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.748841] lowmem_reserve[]: 0 0 0 0
[  400.753169]  ? lock_downgrade+0x900/0x900
[  400.782130] 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
[  400.786999]  ? trace_hardirqs_off+0xb8/0x310
[  400.790766] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  400.794923]  ? trace_hardirqs_off+0xb8/0x310
[  400.808434] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  400.812886]  __alloc_pages_slowpath+0x26e8/0x2e10
[  400.828393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.832829]  ? warn_alloc+0x120/0x120
[  400.846927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.851781]  ? warn_alloc+0x120/0x120
[  400.860596] 2335 total pagecache pages
[  400.864412]  ? warn_alloc+0x120/0x120
[  400.872954] 0 pages in swap cache
[  400.876749]  ? print_usage_bug+0xc0/0xc0
[  400.880610] Swap cache stats: add 0, delete 0, find 0/0
[  400.884403]  ? mark_held_locks+0x130/0x130
[  400.887832] Free swap  = 0kB
[  400.891887]  ? kvm_clock_read+0x18/0x30
[  400.897223] Total swap = 0kB
[  400.901454]  ? print_usage_bug+0xc0/0xc0
[  400.904451] 1965979 pages RAM
[  400.908429]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.911411] 0 pages HighMem/MovableOnly
[  400.911420] 342853 pages reserved
[  400.915478]  ? should_fail+0x22d/0xd01
[  400.918557] 0 pages cma reserved
[  400.924091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.928124] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.931486]  ? __lock_acquire+0x62f/0x4c20
[  400.935463] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.938715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.943796] syz-fuzzer cpuset=/ mems_allowed=0
[  400.950282]  ? __lock_acquire+0x62f/0x4c20
[  400.978582]  ? should_fail+0x22d/0xd01
[  400.982486]  ? mark_held_locks+0x130/0x130
[  400.986732]  ? mark_held_locks+0x130/0x130
[  400.990970]  ? try_to_wake_up+0x11c/0x1490
[  400.995210]  ? lock_downgrade+0x900/0x900
[  400.999368]  ? zap_class+0x640/0x640
[  401.003082]  ? print_usage_bug+0xc0/0xc0
[  401.007143]  ? trace_hardirqs_off+0xb8/0x310
[  401.011564]  ? kasan_check_read+0x11/0x20
[  401.015715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.021259]  ? check_preemption_disabled+0x48/0x280
[  401.026287]  ? __lock_is_held+0xb5/0x140
[  401.030364]  __alloc_pages_nodemask+0xa80/0xde0
[  401.035035]  ? zap_class+0x640/0x640
[  401.038759]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.043801]  ? find_held_lock+0x36/0x1c0
[  401.047878]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.052549]  ? lock_downgrade+0x900/0x900
[  401.056710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.062255]  cache_grow_begin+0xa5/0x8c0
[  401.066326]  ? do_raw_spin_unlock+0xa7/0x330
[  401.070753]  fallback_alloc+0x204/0x2e0
[  401.074735]  ____cache_alloc_node+0x1c7/0x1e0
[  401.079243]  kmem_cache_alloc_node+0xe3/0x730
[  401.083746]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.087999]  __alloc_skb+0x119/0x770
[  401.091733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.097020]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.101439]  ? lock_downgrade+0x900/0x900
[  401.105602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.111141]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.116602]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.122075]  ? addrconf_rs_timer+0x690/0x690
[  401.126498]  ndisc_alloc_skb+0x144/0x340
[  401.130565]  ndisc_send_rs+0x331/0x6e0
[  401.134465]  addrconf_rs_timer+0x314/0x690
[  401.138710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.142968]  call_timer_fn+0x272/0x920
[  401.146858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.151108]  ? process_timeout+0x40/0x40
[  401.155184]  ? __run_timers+0x7da/0xc70
[  401.159176]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.163670]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.168163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.172412]  ? lockdep_hardirqs_on+0x296/0x5b0
[  401.176998]  ? trace_hardirqs_on+0xbd/0x310
[  401.181327]  ? kasan_check_read+0x11/0x20
[  401.185476]  ? __run_timers+0x7da/0xc70
[  401.189455]  ? trace_hardirqs_off_caller+0x310/0x310
[  401.194576]  ? __queue_work+0x1440/0x1440
[  401.198731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.202980]  __run_timers+0x7e5/0xc70
[  401.206793]  ? timer_fixup_init+0x70/0x70
[  401.210946]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.215979]  ? zap_class+0x640/0x640
[  401.219705]  ? enqueue_hrtimer+0x1a5/0x560
[  401.223944]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.229144]  ? find_held_lock+0x36/0x1c0
[  401.233213]  ? zap_class+0x640/0x640
[  401.236950]  ? pvclock_read_flags+0x160/0x160
[  401.241454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.246998]  ? check_preemption_disabled+0x48/0x280
[  401.252029]  ? __lock_is_held+0xb5/0x140
[  401.256097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.261638]  ? check_preemption_disabled+0x48/0x280
[  401.266661]  run_timer_softirq+0x52/0xb0
[  401.270731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  401.275763]  __do_softirq+0x308/0xb7e
[  401.279579]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  401.284076]  ? lock_downgrade+0x900/0x900
[  401.288238]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  401.293423]  ? pvclock_read_flags+0x160/0x160
[  401.297930]  ? lapic_next_event+0x5a/0x90
[  401.302084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.307635]  ? kvm_clock_read+0x18/0x30
[  401.311617]  ? kvm_sched_clock_read+0x9/0x20
[  401.316030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.321575]  ? check_preemption_disabled+0x48/0x280
[  401.326605]  irq_exit+0x17f/0x1c0
[  401.330209]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.335062]  ? smp_reschedule_interrupt+0x109/0x650
[  401.340086]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.345973]  ? interrupt_entry+0xb5/0xc0
[  401.350039]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.355056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.360075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.364921]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.369938]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.374963]  ? task_prio+0x50/0x50
[  401.378515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.384058]  ? check_preemption_disabled+0x48/0x280
[  401.389088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.393943]  apic_timer_interrupt+0xf/0x20
[  401.398173]  </IRQ>
[  401.400425] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  401.405361] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  401.424274] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.431992] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  401.439260] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  401.446527] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  401.453794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  401.461064] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  401.468384]  skb_clone+0x1bb/0x500
[  401.471935]  ? finish_task_switch+0x2f4/0x910
[  401.476440]  ? skb_split+0x11e0/0x11e0
[  401.480341]  ? preempt_notifier_register+0x200/0x200
[  401.485444]  ? __switch_to_asm+0x34/0x70
[  401.489506]  ? __switch_to_asm+0x34/0x70
[  401.493565]  ? __switch_to_asm+0x40/0x70
[  401.497626]  ? __switch_to_asm+0x34/0x70
[  401.501688]  ? __switch_to_asm+0x40/0x70
[  401.505747]  ? __switch_to_asm+0x34/0x70
[  401.509807]  ? __switch_to_asm+0x40/0x70
[  401.513867]  ? __switch_to_asm+0x34/0x70
[  401.517932]  ? __switch_to_asm+0x34/0x70
[  401.521996]  ? __switch_to_asm+0x40/0x70
[  401.526060]  ? __switch_to_asm+0x34/0x70
[  401.530130]  bpf_clone_redirect+0xb9/0x490
[  401.534371]  ? __schedule+0x8d7/0x21d0
[  401.538297]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  401.543339]  ? __sched_text_start+0x8/0x8
[  401.547497]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  401.552264]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  401.556860]  ? retint_kernel+0x2d/0x2d
[  401.560754]  ? find_held_lock+0x36/0x1c0
[  401.564831]  ? lock_acquire+0x1ed/0x520
[  401.568811]  ? bpf_test_run+0x3cb/0x780
[  401.572791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.578339]  ? check_preemption_disabled+0x48/0x280
[  401.583370]  ? kasan_check_read+0x11/0x20
[  401.587523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.592800]  ? rcu_softirq_qs+0x20/0x20
[  401.596786]  ? preempt_schedule+0x4d/0x60
[  401.600940]  ? ___preempt_schedule+0x16/0x18
[  401.605365]  ? bpf_test_run+0x25d/0x780
[  401.609356]  ? netlink_diag_dump+0x2a0/0x2a0
[  401.613773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.619324]  ? bpf_test_init.isra.10+0x70/0x100
[  401.624000]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  401.628769]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.633646]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.639187]  ? fput+0x130/0x1a0
[  401.642470]  ? __bpf_prog_get+0x9b/0x290
[  401.646537]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  401.651385]  ? bpf_prog_test_run+0x130/0x1a0
[  401.655802]  ? __x64_sys_bpf+0x3d8/0x520
[  401.659879]  ? bpf_prog_get+0x20/0x20
[  401.663706]  ? do_syscall_64+0x1b9/0x820
[  401.667769]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.673154]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.678093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.682941]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.687964]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  401.693004]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.698031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.702896]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  401.708287] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  401.708418] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  401.715232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.715238] Call Trace:
[  401.715245]  <IRQ>
[  401.715264]  dump_stack+0x244/0x39d
[  401.715283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  401.715321]  warn_alloc.cold.116+0xb7/0x1bd
[  401.721854] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  401.731147]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  401.733706] syz-executor1 cpuset=syz1 mems_allowed=0
[  401.735853]  ? lock_downgrade+0x900/0x900
[  401.773495]  ? trace_hardirqs_off+0xb8/0x310
[  401.777922]  ? trace_hardirqs_off+0xb8/0x310
[  401.782354]  __alloc_pages_slowpath+0x26e8/0x2e10
[  401.787233]  ? warn_alloc+0x120/0x120
[  401.791057]  ? print_usage_bug+0xc0/0xc0
[  401.795124]  ? warn_alloc+0x120/0x120
[  401.798935]  ? warn_alloc+0x120/0x120
[  401.802741]  ? print_usage_bug+0xc0/0xc0
[  401.806805]  ? kvm_clock_read+0x18/0x30
[  401.810783]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.815807]  ? print_usage_bug+0xc0/0xc0
[  401.819874]  ? __lock_acquire+0x62f/0x4c20
[  401.824120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.829661]  ? should_fail+0x22d/0xd01
[  401.833553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.838838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.843946]  ? __lock_acquire+0x62f/0x4c20
[  401.848188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  401.853292]  ? __lock_acquire+0x62f/0x4c20
[  401.857535]  ? should_fail+0x22d/0xd01
[  401.861424]  ? rcu_irq_exit+0x1a2/0x390
[  401.865417]  ? mark_held_locks+0x130/0x130
[  401.869672]  ? mark_held_locks+0x130/0x130
[  401.873919]  ? mark_held_locks+0xc7/0x130
[  401.878071]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  401.883089]  ? zap_class+0x640/0x640
[  401.886808]  ? print_usage_bug+0xc0/0xc0
[  401.890877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.896427]  ? check_preemption_disabled+0x48/0x280
[  401.901458]  ? __lock_is_held+0xb5/0x140
[  401.905545]  __alloc_pages_nodemask+0xa80/0xde0
[  401.910216]  ? zap_class+0x640/0x640
[  401.913945]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  401.918979]  ? find_held_lock+0x36/0x1c0
[  401.923054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  401.927728]  ? lock_downgrade+0x900/0x900
[  401.931887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.937456]  cache_grow_begin+0xa5/0x8c0
[  401.941521]  ? do_raw_spin_unlock+0xa7/0x330
[  401.945943]  fallback_alloc+0x204/0x2e0
[  401.949937]  ____cache_alloc_node+0x1c7/0x1e0
[  401.954441]  kmem_cache_alloc_node+0xe3/0x730
[  401.958947]  ? ipv6_get_ifaddr+0x42e/0x620
[  401.963195]  __alloc_skb+0x119/0x770
[  401.966916]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  401.972200]  ? netdev_alloc_frag+0x1f0/0x1f0
[  401.976616]  ? lock_downgrade+0x900/0x900
[  401.980777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.986327]  ? refcount_sub_and_test_checked+0x203/0x310
[  401.991789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  401.997246]  ? addrconf_rs_timer+0x690/0x690
[  402.001670]  ndisc_alloc_skb+0x144/0x340
[  402.005745]  ndisc_send_rs+0x331/0x6e0
[  402.009645]  addrconf_rs_timer+0x314/0x690
[  402.013897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.018153]  call_timer_fn+0x272/0x920
[  402.022042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.026280]  ? process_timeout+0x40/0x40
[  402.030363]  ? mark_held_locks+0xc7/0x130
[  402.034517]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.039028]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.043527]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.047780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  402.052370]  ? trace_hardirqs_on+0xbd/0x310
[  402.056696]  ? kasan_check_read+0x11/0x20
[  402.060845]  ? __run_timers+0x7da/0xc70
[  402.064824]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.069938]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.074183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.078423]  __run_timers+0x7e5/0xc70
[  402.082239]  ? timer_fixup_init+0x70/0x70
[  402.086402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.091436]  ? zap_class+0x640/0x640
[  402.095184]  ? print_usage_bug+0xc0/0xc0
[  402.099255]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.104472]  ? find_held_lock+0x36/0x1c0
[  402.108541]  ? zap_class+0x640/0x640
[  402.112267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.117811]  ? check_preemption_disabled+0x48/0x280
[  402.122839]  ? __lock_is_held+0xb5/0x140
[  402.126903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.132451]  ? check_preemption_disabled+0x48/0x280
[  402.137477]  run_timer_softirq+0x52/0xb0
[  402.141547]  ? rcu_read_lock_sched_held+0x14f/0x180
[  402.146572]  __do_softirq+0x308/0xb7e
[  402.150381]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  402.154881]  ? lock_downgrade+0x900/0x900
[  402.159039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  402.164152]  ? pvclock_read_flags+0x160/0x160
[  402.168653]  ? lapic_next_event+0x5a/0x90
[  402.172809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.178354]  ? kvm_clock_read+0x18/0x30
[  402.182337]  ? kvm_sched_clock_read+0x9/0x20
[  402.186754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.192295]  ? check_preemption_disabled+0x48/0x280
[  402.197340]  irq_exit+0x17f/0x1c0
[  402.201121]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.205967]  ? smp_reschedule_interrupt+0x109/0x650
[  402.210991]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.216877]  ? interrupt_entry+0xb5/0xc0
[  402.220949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.225970]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.231008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.235854]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.240869]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.245889]  ? task_prio+0x50/0x50
[  402.249439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.254999]  ? check_preemption_disabled+0x48/0x280
[  402.260041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.264903]  apic_timer_interrupt+0xf/0x20
[  402.269139]  </IRQ>
[  402.271387] RIP: 0010:console_unlock+0x102f/0x1190
[  402.276329] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  402.295239] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  402.302958] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  402.310225] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  402.317916] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  402.325187] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  402.332458] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  402.339747]  ? netconsole_netdev_event+0x280/0x280
[  402.344688]  ? console_unlock+0x1026/0x1190
[  402.349035]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  402.353709]  ? vprintk_emit+0x846/0x990
[  402.357694]  ? lock_release+0xa00/0xa00
[  402.361675]  ? trace_hardirqs_on+0x60/0x310
[  402.366014]  ? vprintk_default+0x28/0x30
[  402.370077]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.375190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.380740]  vprintk_emit+0x391/0x990
[  402.384548]  ? wake_up_klogd+0x180/0x180
[  402.388635]  ? find_held_lock+0x1/0x1c0
[  402.392626]  ? mark_held_locks+0xc7/0x130
[  402.396779]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.401275]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.405802]  vprintk_default+0x28/0x30
[  402.409692]  vprintk_func+0x7e/0x181
[  402.413410]  printk+0xa7/0xcf
[  402.416521]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  402.421292]  ? _raw_spin_unlock_irq+0x60/0x80
[  402.425814]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  402.431103]  dump_header+0x7cc/0xf72
[  402.434829]  ? pagefault_out_of_memory+0x197/0x197
[  402.439769]  ? __lock_acquire+0x62f/0x4c20
[  402.444010]  ? percpu_ref_get_many+0x240/0x240
[  402.448598]  ? print_usage_bug+0xc0/0xc0
[  402.452682]  ? zap_class+0x640/0x640
[  402.456410]  ? print_usage_bug+0xc0/0xc0
[  402.460477]  ? zap_class+0x640/0x640
[  402.464198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.469740]  ? find_held_lock+0x36/0x1c0
[  402.473813]  ? mark_held_locks+0xc7/0x130
[  402.477966]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.483071]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  402.488176]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.492762]  ? trace_hardirqs_on+0xbd/0x310
[  402.497104]  ? kasan_check_read+0x11/0x20
[  402.501252]  ? ___ratelimit+0x3b4/0x672
[  402.505245]  ? trace_hardirqs_off_caller+0x310/0x310
[  402.510359]  ? trace_hardirqs_on+0x310/0x310
[  402.514772]  ? lock_downgrade+0x900/0x900
[  402.518935]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  402.524042]  ? ___ratelimit+0x3b9/0x672
[  402.528025]  ? idr_get_free+0xf70/0xf70
[  402.532000]  ? find_held_lock+0x36/0x1c0
[  402.536079]  oom_kill_process.cold.27+0x10/0x903
[  402.540838]  ? zap_class+0x640/0x640
[  402.544556]  ? check_preemption_disabled+0x48/0x280
[  402.549593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.554530]  ? kasan_check_read+0x11/0x20
[  402.558680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.563960]  ? oom_evaluate_task+0x540/0x540
[  402.568380]  ? find_held_lock+0x36/0x1c0
[  402.572454]  ? out_of_memory+0x974/0x1430
[  402.576607]  ? lock_downgrade+0x900/0x900
[  402.580764]  ? check_preemption_disabled+0x48/0x280
[  402.585788]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.590720]  ? kasan_check_read+0x11/0x20
[  402.594871]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.600150]  ? rcu_softirq_qs+0x20/0x20
[  402.604137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.609675]  ? oom_evaluate_task+0x302/0x540
[  402.614088]  out_of_memory+0xa84/0x1430
[  402.618077]  ? oom_killer_disable+0x3a0/0x3a0
[  402.622576]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  402.627518]  ? __ww_mutex_check_waiters+0x160/0x160
[  402.632555]  __alloc_pages_slowpath+0x2354/0x2e10
[  402.637431]  ? warn_alloc+0x120/0x120
[  402.641240]  ? mark_held_locks+0x130/0x130
[  402.645487]  ? find_get_entry+0xaae/0x1120
[  402.649734]  ? filemap_map_pages+0x1a20/0x1a20
[  402.654335]  ? zap_class+0x640/0x640
[  402.658059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.663603]  ? check_preemption_disabled+0x48/0x280
[  402.668631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.674170]  ? should_fail+0x22d/0xd01
[  402.678065]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.683173]  ? zap_class+0x640/0x640
[  402.686920]  ? __lock_is_held+0xb5/0x140
[  402.690998]  ? mark_held_locks+0x130/0x130
[  402.695238]  ? lock_release+0xa00/0xa00
[  402.699217]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.704674]  ? xa_load+0x2ba/0x460
[  402.708218]  ? lock_downgrade+0x900/0x900
[  402.712375]  ? __might_sleep+0x95/0x190
[  402.716359]  __alloc_pages_nodemask+0xa80/0xde0
[  402.721037]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  402.726059]  ? __page_cache_alloc+0x191/0x5c0
[  402.730557]  ? xa_load+0x2e1/0x460
[  402.734123]  ? xa_clear_mark+0x40/0x40
[  402.738015]  ? zap_class+0x640/0x640
[  402.741733]  ? zap_class+0x640/0x640
[  402.745460]  ? zap_class+0x640/0x640
[  402.749177]  ? zap_class+0x640/0x640
[  402.752898]  ? __do_page_cache_readahead+0x663/0x810
[  402.758015]  ? find_held_lock+0x36/0x1c0
[  402.762092]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  402.767642]  alloc_pages_current+0x173/0x350
[  402.772067]  __page_cache_alloc+0x38c/0x5c0
[  402.776392]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.781333]  ? kasan_check_read+0x11/0x20
[  402.785488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.790772]  ? generic_perform_write+0x6a0/0x6a0
[  402.795551]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.801098]  ? check_preemption_disabled+0x48/0x280
[  402.806131]  filemap_fault+0x1595/0x25f0
[  402.810215]  ? __lock_page_or_retry+0xa00/0xa00
[  402.814894]  ? mark_held_locks+0x130/0x130
[  402.819153]  ? filemap_map_pages+0xd6b/0x1a20
[  402.823659]  ? lock_downgrade+0x900/0x900
[  402.827814]  ? check_preemption_disabled+0x48/0x280
[  402.832839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  402.837775]  ? kasan_check_read+0x11/0x20
[  402.841931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  402.847209]  ? rcu_softirq_qs+0x20/0x20
[  402.851215]  ? filemap_map_pages+0xd92/0x1a20
[  402.855721]  ? queue_work_on+0x12c/0x1e0
[  402.859825]  ? find_get_entries_tag+0x1400/0x1400
[  402.864675]  ? debug_object_destroy+0x2b0/0x2b0
[  402.869353]  ? lock_pi_update_atomic+0x150/0x150
[  402.874113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.879670]  ? lock_acquire+0x1ed/0x520
[  402.883651]  ? ext4_filemap_fault+0x7a/0xad
[  402.887981]  ? lock_release+0xa00/0xa00
[  402.891956]  ? perf_trace_sched_process_exec+0x860/0x860
[  402.897411]  ? print_usage_bug+0xc0/0xc0
[  402.901481]  ? print_usage_bug+0xc0/0xc0
[  402.905576]  ? down_read+0x8d/0x120
[  402.909201]  ? ext4_filemap_fault+0x7a/0xad
[  402.913526]  ? __down_interruptible+0x700/0x700
[  402.918206]  ext4_filemap_fault+0x82/0xad
[  402.922361]  __do_fault+0x100/0x6b0
[  402.925992]  ? find_held_lock+0x36/0x1c0
[  402.930059]  ? pmd_devmap_trans_unstable+0x220/0x220
[  402.935172]  ? mark_held_locks+0x130/0x130
[  402.939414]  ? mark_held_locks+0x130/0x130
[  402.943657]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.948168]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.952672]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  402.957275]  ? kasan_check_read+0x11/0x20
[  402.961436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.966983]  __handle_mm_fault+0x3ea0/0x5be0
[  402.971406]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  402.976272]  ? finish_task_switch+0x1f4/0x910
[  402.980773]  ? finish_task_switch+0x1b4/0x910
[  402.985271]  ? __switch_to_asm+0x34/0x70
[  402.989351]  ? preempt_notifier_register+0x200/0x200
[  402.994461]  ? __switch_to_asm+0x34/0x70
[  402.998522]  ? __switch_to_asm+0x34/0x70
[  403.002620]  ? zap_class+0x640/0x640
[  403.006355]  ? zap_class+0x640/0x640
[  403.010071]  ? __x64_sys_futex+0x53e/0x6a0
[  403.014319]  ? find_held_lock+0x36/0x1c0
[  403.018398]  ? handle_mm_fault+0x42a/0xc70
[  403.022635]  ? lock_downgrade+0x900/0x900
[  403.026788]  ? check_preemption_disabled+0x48/0x280
[  403.031809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  403.036748]  ? kasan_check_read+0x11/0x20
[  403.040899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.046188]  ? rcu_softirq_qs+0x20/0x20
[  403.050164]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.055284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.060848]  ? check_preemption_disabled+0x48/0x280
[  403.065876]  handle_mm_fault+0x54f/0xc70
[  403.069947]  ? __handle_mm_fault+0x5be0/0x5be0
[  403.074537]  ? find_vma+0x34/0x190
[  403.078085]  __do_page_fault+0x5e8/0xe60
[  403.082153]  ? trace_hardirqs_off+0xb8/0x310
[  403.086575]  do_page_fault+0xf2/0x7e0
[  403.090382]  ? vmalloc_sync_all+0x30/0x30
[  403.094543]  ? error_entry+0x70/0xd0
[  403.098270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.103286]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.108231]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.113167]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.118023]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.123040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.128501]  ? prepare_exit_to_usermode+0x291/0x3b0
[  403.133520]  ? page_fault+0x8/0x30
[  403.137066]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.141923]  ? page_fault+0x8/0x30
[  403.145469]  page_fault+0x1e/0x30
[  403.148929] RIP: 0033:0x45ddf3
[  403.152139] Code: Bad RIP value.
[  403.155503] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  403.160866] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  403.168137] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  403.175404] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  403.182672] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  403.189942] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  403.197234] warn_alloc_show_mem: 1 callbacks suppressed
[  403.197247] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  403.197249] Mem-Info:
[  403.197281] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  403.197281]  active_file:15 inactive_file:15 isolated_file:0
[  403.197281]  unevictable:0 dirty:0 writeback:0 unstable:0
[  403.197281]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  403.197281]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  403.197281]  free:13750 free_pcp:296 free_cma:0
[  403.202629] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.209906] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  403.212303] Call Trace:
[  403.245361] 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
[  403.254710]  <IRQ>
[  403.282215] lowmem_reserve[]: 0 2818 6321 6321
[  403.284815]  dump_stack+0x244/0x39d
[  403.310900] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  403.313067]  ? dump_stack_print_info.cold.1+0x20/0x20
[  403.317615] lowmem_reserve[]: 0 0 3503 3503
[  403.321247]  warn_alloc.cold.116+0xb7/0x1bd
[  403.349250] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  403.354454]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.358744] lowmem_reserve[]: 0 0 0 0
[  403.363066]  ? lock_downgrade+0x900/0x900
[  403.392027] 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
[  403.396881]  ? trace_hardirqs_off+0xb8/0x310
[  403.400645] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  403.404791]  ? trace_hardirqs_off+0xb8/0x310
[  403.418284] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  403.422715]  __alloc_pages_slowpath+0x26e8/0x2e10
[  403.438216] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  403.442651]  ? warn_alloc+0x120/0x120
[  403.456745] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  403.461582]  ? print_usage_bug+0xc0/0xc0
[  403.470389] 2335 total pagecache pages
[  403.474186]  ? warn_alloc+0x120/0x120
[  403.482744] 0 pages in swap cache
[  403.486792]  ? warn_alloc+0x120/0x120
[  403.490659] Swap cache stats: add 0, delete 0, find 0/0
[  403.490668] Free swap  = 0kB
[  403.494469]  ? print_usage_bug+0xc0/0xc0
[  403.497893] Total swap = 0kB
[  403.501692]  ? print_usage_bug+0xc0/0xc0
[  403.507028] 1965979 pages RAM
[  403.510039]  ? __lock_acquire+0x62f/0x4c20
[  403.514074] 0 pages HighMem/MovableOnly
[  403.517088]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.521126] 342853 pages reserved
[  403.524227]  ? should_fail+0x22d/0xd01
[  403.528435] 0 pages cma reserved
[  403.532402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.538001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.541367]  ? __lock_acquire+0x62f/0x4c20
[  403.545359] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.548610]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.553703] syz-fuzzer cpuset=/ mems_allowed=0
[  403.560188]  ? __lock_acquire+0x62f/0x4c20
[  403.588541]  ? should_fail+0x22d/0xd01
[  403.592442]  ? find_held_lock+0x36/0x1c0
[  403.596519]  ? mark_held_locks+0x130/0x130
[  403.600762]  ? mark_held_locks+0x130/0x130
[  403.604996]  ? zap_class+0x640/0x640
[  403.608721]  ? zap_class+0x640/0x640
[  403.612446]  ? print_usage_bug+0xc0/0xc0
[  403.616507]  ? do_raw_spin_unlock+0xa7/0x330
[  403.620920]  ? zap_class+0x640/0x640
[  403.624635]  ? print_usage_bug+0xc0/0xc0
[  403.628697]  ? wq_watchdog_touch+0x9c/0xfe
[  403.632938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.638483]  ? check_preemption_disabled+0x48/0x280
[  403.643511]  ? __lock_is_held+0xb5/0x140
[  403.647582]  __alloc_pages_nodemask+0xa80/0xde0
[  403.652256]  ? zap_class+0x640/0x640
[  403.655981]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  403.661014]  ? find_held_lock+0x36/0x1c0
[  403.665089]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.669766]  ? lock_downgrade+0x900/0x900
[  403.673929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.679477]  cache_grow_begin+0xa5/0x8c0
[  403.683542]  ? do_raw_spin_unlock+0xa7/0x330
[  403.687960]  fallback_alloc+0x204/0x2e0
[  403.691942]  ____cache_alloc_node+0x1c7/0x1e0
[  403.696446]  kmem_cache_alloc_node+0xe3/0x730
[  403.700945]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.705192]  __alloc_skb+0x119/0x770
[  403.708910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  403.714194]  ? netdev_alloc_frag+0x1f0/0x1f0
[  403.718607]  ? lock_downgrade+0x900/0x900
[  403.722771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.728322]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.733786]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.739241]  ? addrconf_rs_timer+0x690/0x690
[  403.743667]  ndisc_alloc_skb+0x144/0x340
[  403.747734]  ndisc_send_rs+0x331/0x6e0
[  403.751630]  addrconf_rs_timer+0x314/0x690
[  403.755874]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.760124]  call_timer_fn+0x272/0x920
[  403.764027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.768281]  ? process_timeout+0x40/0x40
[  403.772363]  ? __run_timers+0x7da/0xc70
[  403.776348]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.780843]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.785356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.789596]  ? lockdep_hardirqs_on+0x296/0x5b0
[  403.794186]  ? trace_hardirqs_on+0xbd/0x310
[  403.798512]  ? kasan_check_read+0x11/0x20
[  403.802674]  ? __run_timers+0x7da/0xc70
[  403.806650]  ? trace_hardirqs_off_caller+0x310/0x310
[  403.811760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.816005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.820241]  __run_timers+0x7e5/0xc70
[  403.824054]  ? timer_fixup_init+0x70/0x70
[  403.828223]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.833243]  ? zap_class+0x640/0x640
[  403.836963]  ? enqueue_hrtimer+0x1a5/0x560
[  403.841202]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.846404]  ? find_held_lock+0x36/0x1c0
[  403.850494]  ? zap_class+0x640/0x640
[  403.854216]  ? pvclock_read_flags+0x160/0x160
[  403.858717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.864259]  ? check_preemption_disabled+0x48/0x280
[  403.869290]  ? __lock_is_held+0xb5/0x140
[  403.873365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.878907]  ? check_preemption_disabled+0x48/0x280
[  403.883931]  run_timer_softirq+0x52/0xb0
[  403.887999]  ? rcu_read_lock_sched_held+0x14f/0x180
[  403.893020]  __do_softirq+0x308/0xb7e
[  403.896832]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  403.901358]  ? lock_downgrade+0x900/0x900
[  403.905521]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  403.910635]  ? pvclock_read_flags+0x160/0x160
[  403.915146]  ? lapic_next_event+0x5a/0x90
[  403.919303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.924859]  ? kvm_clock_read+0x18/0x30
[  403.928838]  ? kvm_sched_clock_read+0x9/0x20
[  403.933250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.938793]  ? check_preemption_disabled+0x48/0x280
[  403.943821]  irq_exit+0x17f/0x1c0
[  403.947280]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.952130]  ? smp_reschedule_interrupt+0x109/0x650
[  403.957152]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.963056]  ? interrupt_entry+0xb5/0xc0
[  403.967139]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.972156]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.977179]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.982026]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.987056]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.992076]  ? task_prio+0x50/0x50
[  403.995626]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.001166]  ? check_preemption_disabled+0x48/0x280
[  404.006191]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.011051]  apic_timer_interrupt+0xf/0x20
[  404.015283]  </IRQ>
[  404.017544] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  404.022482] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  404.041393] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  404.049107] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  404.056399] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  404.063671] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  404.070943] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  404.078210] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  404.085534]  skb_clone+0x1bb/0x500
[  404.089081]  ? finish_task_switch+0x2f4/0x910
[  404.093582]  ? skb_split+0x11e0/0x11e0
[  404.097479]  ? preempt_notifier_register+0x200/0x200
[  404.102583]  ? __switch_to_asm+0x34/0x70
[  404.106646]  ? __switch_to_asm+0x34/0x70
[  404.110707]  ? __switch_to_asm+0x40/0x70
[  404.114766]  ? __switch_to_asm+0x34/0x70
[  404.118826]  ? __switch_to_asm+0x40/0x70
[  404.122885]  ? __switch_to_asm+0x34/0x70
[  404.126945]  ? __switch_to_asm+0x40/0x70
[  404.131003]  ? __switch_to_asm+0x34/0x70
[  404.135068]  ? __switch_to_asm+0x34/0x70
[  404.139126]  ? __switch_to_asm+0x40/0x70
[  404.143186]  ? __switch_to_asm+0x34/0x70
[  404.147278]  bpf_clone_redirect+0xb9/0x490
[  404.151529]  ? __schedule+0x8d7/0x21d0
[  404.155440]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  404.160466]  ? __sched_text_start+0x8/0x8
[  404.164621]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  404.169390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  404.173976]  ? retint_kernel+0x2d/0x2d
[  404.177885]  ? find_held_lock+0x36/0x1c0
[  404.181957]  ? lock_acquire+0x1ed/0x520
[  404.185951]  ? bpf_test_run+0x3cb/0x780
[  404.189932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.195481]  ? check_preemption_disabled+0x48/0x280
[  404.200903]  ? kasan_check_read+0x11/0x20
[  404.205057]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.210341]  ? rcu_softirq_qs+0x20/0x20
[  404.214328]  ? preempt_schedule+0x4d/0x60
[  404.218487]  ? ___preempt_schedule+0x16/0x18
[  404.222909]  ? bpf_test_run+0x25d/0x780
[  404.226901]  ? netlink_diag_dump+0x2a0/0x2a0
[  404.231325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.236866]  ? bpf_test_init.isra.10+0x70/0x100
[  404.241543]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  404.246319]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.251163]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.256704]  ? fput+0x130/0x1a0
[  404.259989]  ? __bpf_prog_get+0x9b/0x290
[  404.264059]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  404.268901]  ? bpf_prog_test_run+0x130/0x1a0
[  404.273358]  ? __x64_sys_bpf+0x3d8/0x520
[  404.277430]  ? bpf_prog_get+0x20/0x20
[  404.281257]  ? do_syscall_64+0x1b9/0x820
[  404.285330]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.290701]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.295631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.300483]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.305510]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  404.310530]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.315555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.320426]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.325814] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  404.325917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  404.332752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.332762] Call Trace:
[  404.339361] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  404.348588]  <IRQ>
[  404.351158] syz-executor1 cpuset=syz1 mems_allowed=0
[  404.361660]  dump_stack+0x244/0x39d
[  404.372510]  ? dump_stack_print_info.cold.1+0x20/0x20
[  404.377727]  warn_alloc.cold.116+0xb7/0x1bd
[  404.382060]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.386920]  ? lock_downgrade+0x900/0x900
[  404.391085]  ? trace_hardirqs_off+0xb8/0x310
[  404.395503]  ? trace_hardirqs_off+0xb8/0x310
[  404.399931]  __alloc_pages_slowpath+0x26e8/0x2e10
[  404.404818]  ? warn_alloc+0x120/0x120
[  404.408627]  ? print_usage_bug+0xc0/0xc0
[  404.412705]  ? warn_alloc+0x120/0x120
[  404.416524]  ? warn_alloc+0x120/0x120
[  404.420355]  ? print_usage_bug+0xc0/0xc0
[  404.424421]  ? kvm_clock_read+0x18/0x30
[  404.428404]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.433428]  ? print_usage_bug+0xc0/0xc0
[  404.437498]  ? __lock_acquire+0x62f/0x4c20
[  404.441744]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.447285]  ? should_fail+0x22d/0xd01
[  404.451183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.456473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.461583]  ? __lock_acquire+0x62f/0x4c20
[  404.465828]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.470936]  ? __lock_acquire+0x62f/0x4c20
[  404.475171]  ? should_fail+0x22d/0xd01
[  404.479068]  ? rcu_irq_exit+0x1a2/0x390
[  404.483091]  ? mark_held_locks+0x130/0x130
[  404.487343]  ? mark_held_locks+0x130/0x130
[  404.491590]  ? mark_held_locks+0xc7/0x130
[  404.495741]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.500760]  ? zap_class+0x640/0x640
[  404.504481]  ? print_usage_bug+0xc0/0xc0
[  404.508549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.514091]  ? check_preemption_disabled+0x48/0x280
[  404.519119]  ? __lock_is_held+0xb5/0x140
[  404.523195]  __alloc_pages_nodemask+0xa80/0xde0
[  404.527867]  ? zap_class+0x640/0x640
[  404.531593]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  404.536629]  ? find_held_lock+0x36/0x1c0
[  404.540706]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.545381]  ? lock_downgrade+0x900/0x900
[  404.549543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.555091]  cache_grow_begin+0xa5/0x8c0
[  404.559168]  ? do_raw_spin_unlock+0xa7/0x330
[  404.563587]  fallback_alloc+0x204/0x2e0
[  404.567574]  ____cache_alloc_node+0x1c7/0x1e0
[  404.572078]  kmem_cache_alloc_node+0xe3/0x730
[  404.576595]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.580852]  __alloc_skb+0x119/0x770
[  404.584586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  404.589872]  ? netdev_alloc_frag+0x1f0/0x1f0
[  404.594303]  ? lock_downgrade+0x900/0x900
[  404.598475]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.604016]  ? refcount_sub_and_test_checked+0x203/0x310
[  404.609478]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  404.614936]  ? addrconf_rs_timer+0x690/0x690
[  404.619366]  ndisc_alloc_skb+0x144/0x340
[  404.623442]  ndisc_send_rs+0x331/0x6e0
[  404.627346]  addrconf_rs_timer+0x314/0x690
[  404.631592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.635845]  call_timer_fn+0x272/0x920
[  404.639743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.643986]  ? process_timeout+0x40/0x40
[  404.648060]  ? mark_held_locks+0xc7/0x130
[  404.652217]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.656713]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.661215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.665457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  404.670049]  ? trace_hardirqs_on+0xbd/0x310
[  404.674380]  ? kasan_check_read+0x11/0x20
[  404.678536]  ? __run_timers+0x7da/0xc70
[  404.682522]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.687644]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.691891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  404.696133]  __run_timers+0x7e5/0xc70
[  404.699953]  ? timer_fixup_init+0x70/0x70
[  404.704112]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  404.709134]  ? zap_class+0x640/0x640
[  404.712858]  ? print_usage_bug+0xc0/0xc0
[  404.716932]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  404.722134]  ? find_held_lock+0x36/0x1c0
[  404.726202]  ? zap_class+0x640/0x640
[  404.729933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.735482]  ? check_preemption_disabled+0x48/0x280
[  404.740511]  ? __lock_is_held+0xb5/0x140
[  404.744581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.750128]  ? check_preemption_disabled+0x48/0x280
[  404.755153]  run_timer_softirq+0x52/0xb0
[  404.759218]  ? rcu_read_lock_sched_held+0x14f/0x180
[  404.764238]  __do_softirq+0x308/0xb7e
[  404.768046]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  404.772545]  ? lock_downgrade+0x900/0x900
[  404.776707]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  404.781826]  ? pvclock_read_flags+0x160/0x160
[  404.786333]  ? lapic_next_event+0x5a/0x90
[  404.790488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.796033]  ? kvm_clock_read+0x18/0x30
[  404.800009]  ? kvm_sched_clock_read+0x9/0x20
[  404.804441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.809990]  ? check_preemption_disabled+0x48/0x280
[  404.815021]  irq_exit+0x17f/0x1c0
[  404.818482]  smp_apic_timer_interrupt+0x1cb/0x760
[  404.823332]  ? smp_reschedule_interrupt+0x109/0x650
[  404.828361]  ? smp_call_function_single_interrupt+0x650/0x650
[  404.834246]  ? interrupt_entry+0xb5/0xc0
[  404.838328]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.843353]  ? trace_hardirqs_off_caller+0xbb/0x310
[  404.848378]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.853225]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.858241]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.863261]  ? task_prio+0x50/0x50
[  404.866809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.872352]  ? check_preemption_disabled+0x48/0x280
[  404.877380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.882237]  apic_timer_interrupt+0xf/0x20
[  404.886470]  </IRQ>
[  404.888712] RIP: 0010:console_unlock+0x102f/0x1190
[  404.893647] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  404.912554] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  404.920271] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  404.927551] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  404.934825] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  404.942098] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  404.949371] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  404.956661]  ? netconsole_netdev_event+0x280/0x280
[  404.961609]  ? console_unlock+0x1026/0x1190
[  404.965965]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  404.970639]  ? vprintk_emit+0x846/0x990
[  404.974625]  ? lock_release+0xa00/0xa00
[  404.978609]  ? trace_hardirqs_on+0x60/0x310
[  404.982940]  ? vprintk_default+0x28/0x30
[  404.987012]  ? trace_hardirqs_off_caller+0x310/0x310
[  404.992142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.997693]  vprintk_emit+0x391/0x990
[  405.001505]  ? wake_up_klogd+0x180/0x180
[  405.005578]  ? find_held_lock+0x1/0x1c0
[  405.009563]  ? mark_held_locks+0xc7/0x130
[  405.013720]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.018218]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.022722]  vprintk_default+0x28/0x30
[  405.026620]  vprintk_func+0x7e/0x181
[  405.030351]  printk+0xa7/0xcf
[  405.033460]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  405.038228]  ? _raw_spin_unlock_irq+0x60/0x80
[  405.042741]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  405.048036]  dump_header+0x7cc/0xf72
[  405.051767]  ? pagefault_out_of_memory+0x197/0x197
[  405.056712]  ? __lock_acquire+0x62f/0x4c20
[  405.060991]  ? percpu_ref_get_many+0x240/0x240
[  405.065585]  ? print_usage_bug+0xc0/0xc0
[  405.069662]  ? zap_class+0x640/0x640
[  405.073383]  ? print_usage_bug+0xc0/0xc0
[  405.077453]  ? zap_class+0x640/0x640
[  405.081177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.086726]  ? find_held_lock+0x36/0x1c0
[  405.090800]  ? mark_held_locks+0xc7/0x130
[  405.094955]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.100062]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  405.105175]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.109764]  ? trace_hardirqs_on+0xbd/0x310
[  405.114089]  ? kasan_check_read+0x11/0x20
[  405.118245]  ? ___ratelimit+0x3b4/0x672
[  405.122237]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.127349]  ? trace_hardirqs_on+0x310/0x310
[  405.131765]  ? lock_downgrade+0x900/0x900
[  405.135927]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  405.141037]  ? ___ratelimit+0x3b9/0x672
[  405.145023]  ? idr_get_free+0xf70/0xf70
[  405.149009]  ? find_held_lock+0x36/0x1c0
[  405.153116]  oom_kill_process.cold.27+0x10/0x903
[  405.157880]  ? zap_class+0x640/0x640
[  405.161606]  ? check_preemption_disabled+0x48/0x280
[  405.166628]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.171563]  ? kasan_check_read+0x11/0x20
[  405.175716]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.181001]  ? oom_evaluate_task+0x540/0x540
[  405.185425]  ? find_held_lock+0x36/0x1c0
[  405.189499]  ? out_of_memory+0x974/0x1430
[  405.193657]  ? lock_downgrade+0x900/0x900
[  405.197809]  ? check_preemption_disabled+0x48/0x280
[  405.202840]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.207776]  ? kasan_check_read+0x11/0x20
[  405.211930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.217211]  ? rcu_softirq_qs+0x20/0x20
[  405.221200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.226740]  ? oom_evaluate_task+0x302/0x540
[  405.231156]  out_of_memory+0xa84/0x1430
[  405.235142]  ? oom_killer_disable+0x3a0/0x3a0
[  405.239644]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  405.244586]  ? __ww_mutex_check_waiters+0x160/0x160
[  405.249626]  __alloc_pages_slowpath+0x2354/0x2e10
[  405.254508]  ? warn_alloc+0x120/0x120
[  405.258322]  ? mark_held_locks+0x130/0x130
[  405.262574]  ? find_get_entry+0xaae/0x1120
[  405.266826]  ? filemap_map_pages+0x1a20/0x1a20
[  405.271420]  ? zap_class+0x640/0x640
[  405.275150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.280696]  ? check_preemption_disabled+0x48/0x280
[  405.285722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.291292]  ? should_fail+0x22d/0xd01
[  405.295198]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.300317]  ? zap_class+0x640/0x640
[  405.304067]  ? __lock_is_held+0xb5/0x140
[  405.308141]  ? mark_held_locks+0x130/0x130
[  405.312386]  ? lock_release+0xa00/0xa00
[  405.316370]  ? perf_trace_sched_process_exec+0x860/0x860
[  405.321827]  ? xa_load+0x2ba/0x460
[  405.325377]  ? lock_downgrade+0x900/0x900
[  405.329982]  ? __might_sleep+0x95/0x190
[  405.333969]  __alloc_pages_nodemask+0xa80/0xde0
[  405.338652]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  405.343680]  ? __page_cache_alloc+0x191/0x5c0
[  405.348184]  ? xa_load+0x2e1/0x460
[  405.351733]  ? xa_clear_mark+0x40/0x40
[  405.355623]  ? zap_class+0x640/0x640
[  405.359352]  ? zap_class+0x640/0x640
[  405.363074]  ? zap_class+0x640/0x640
[  405.366789]  ? zap_class+0x640/0x640
[  405.370511]  ? __do_page_cache_readahead+0x663/0x810
[  405.375628]  ? find_held_lock+0x36/0x1c0
[  405.379704]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  405.385254]  alloc_pages_current+0x173/0x350
[  405.389674]  __page_cache_alloc+0x38c/0x5c0
[  405.394007]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.398942]  ? kasan_check_read+0x11/0x20
[  405.403091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.408394]  ? generic_perform_write+0x6a0/0x6a0
[  405.413158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.418713]  ? check_preemption_disabled+0x48/0x280
[  405.423741]  filemap_fault+0x1595/0x25f0
[  405.427818]  ? __lock_page_or_retry+0xa00/0xa00
[  405.432499]  ? mark_held_locks+0x130/0x130
[  405.436750]  ? filemap_map_pages+0xd6b/0x1a20
[  405.441258]  ? lock_downgrade+0x900/0x900
[  405.445415]  ? check_preemption_disabled+0x48/0x280
[  405.450440]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.455384]  ? kasan_check_read+0x11/0x20
[  405.459540]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.464817]  ? rcu_softirq_qs+0x20/0x20
[  405.468808]  ? filemap_map_pages+0xd92/0x1a20
[  405.473321]  ? queue_work_on+0x12c/0x1e0
[  405.477397]  ? find_get_entries_tag+0x1400/0x1400
[  405.482248]  ? debug_object_destroy+0x2b0/0x2b0
[  405.486930]  ? lock_pi_update_atomic+0x150/0x150
[  405.491689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.497248]  ? lock_acquire+0x1ed/0x520
[  405.501226]  ? ext4_filemap_fault+0x7a/0xad
[  405.505558]  ? lock_release+0xa00/0xa00
[  405.509534]  ? perf_trace_sched_process_exec+0x860/0x860
[  405.514995]  ? print_usage_bug+0xc0/0xc0
[  405.519062]  ? print_usage_bug+0xc0/0xc0
[  405.523140]  ? down_read+0x8d/0x120
[  405.526769]  ? ext4_filemap_fault+0x7a/0xad
[  405.531096]  ? __down_interruptible+0x700/0x700
[  405.535783]  ext4_filemap_fault+0x82/0xad
[  405.539941]  __do_fault+0x100/0x6b0
[  405.543573]  ? find_held_lock+0x36/0x1c0
[  405.547645]  ? pmd_devmap_trans_unstable+0x220/0x220
[  405.552768]  ? mark_held_locks+0x130/0x130
[  405.557009]  ? mark_held_locks+0x130/0x130
[  405.561247]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.565743]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.570242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  405.574834]  ? kasan_check_read+0x11/0x20
[  405.578989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.584536]  __handle_mm_fault+0x3ea0/0x5be0
[  405.588967]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  405.593820]  ? finish_task_switch+0x1f4/0x910
[  405.598325]  ? finish_task_switch+0x1b4/0x910
[  405.602826]  ? __switch_to_asm+0x34/0x70
[  405.606895]  ? preempt_notifier_register+0x200/0x200
[  405.612006]  ? __switch_to_asm+0x34/0x70
[  405.616069]  ? __switch_to_asm+0x34/0x70
[  405.620147]  ? zap_class+0x640/0x640
[  405.623866]  ? zap_class+0x640/0x640
[  405.627580]  ? __x64_sys_futex+0x53e/0x6a0
[  405.631824]  ? find_held_lock+0x36/0x1c0
[  405.635898]  ? handle_mm_fault+0x42a/0xc70
[  405.640141]  ? lock_downgrade+0x900/0x900
[  405.644295]  ? check_preemption_disabled+0x48/0x280
[  405.649336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  405.654270]  ? kasan_check_read+0x11/0x20
[  405.658421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  405.663703]  ? rcu_softirq_qs+0x20/0x20
[  405.667683]  ? trace_hardirqs_off_caller+0x310/0x310
[  405.672793]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.678348]  ? check_preemption_disabled+0x48/0x280
[  405.683380]  handle_mm_fault+0x54f/0xc70
[  405.687456]  ? __handle_mm_fault+0x5be0/0x5be0
[  405.692067]  ? find_vma+0x34/0x190
[  405.695641]  __do_page_fault+0x5e8/0xe60
[  405.699708]  ? trace_hardirqs_off+0xb8/0x310
[  405.704130]  do_page_fault+0xf2/0x7e0
[  405.707940]  ? vmalloc_sync_all+0x30/0x30
[  405.712092]  ? error_entry+0x70/0xd0
[  405.715812]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.720829]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.725766]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.730701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.735550]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.740568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.746030]  ? prepare_exit_to_usermode+0x291/0x3b0
[  405.751052]  ? page_fault+0x8/0x30
[  405.754598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.759448]  ? page_fault+0x8/0x30
[  405.762994]  page_fault+0x1e/0x30
[  405.766450] RIP: 0033:0x45ddf3
[  405.769658] Code: Bad RIP value.
[  405.773023] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  405.778385] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  405.785659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  405.792930] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  405.800199] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  405.807471] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  405.814766] warn_alloc_show_mem: 1 callbacks suppressed
[  405.814779] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  405.814781] Mem-Info:
[  405.814813] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  405.814813]  active_file:15 inactive_file:15 isolated_file:0
[  405.814813]  unevictable:0 dirty:0 writeback:0 unstable:0
[  405.814813]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  405.814813]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  405.814813]  free:13750 free_pcp:296 free_cma:0
[  405.820162] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.827439] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  405.827448] 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
[  405.829874] Call Trace:
[  405.862920] lowmem_reserve[]: 0 2818 6321 6321
[  405.872273]  <IRQ>
[  405.899765] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  405.925892]  dump_stack+0x244/0x39d
[  405.928452] lowmem_reserve[]: 0 0 3503 3503
[  405.933035]  ? dump_stack_print_info.cold.1+0x20/0x20
[  405.935174] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  405.962705]  warn_alloc.cold.116+0xb7/0x1bd
[  405.966311] lowmem_reserve[]: 0 0 0 0
[  405.970631]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.975796] 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
[  406.004787]  ? lock_downgrade+0x900/0x900
[  406.009090] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  406.012911]  ? trace_hardirqs_off+0xb8/0x310
[  406.017734] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  406.031265]  ? trace_hardirqs_off+0xb8/0x310
[  406.035393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  406.050916]  __alloc_pages_slowpath+0x26e8/0x2e10
[  406.055316] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  406.069474]  ? warn_alloc+0x120/0x120
[  406.073838] 2335 total pagecache pages
[  406.082671]  ? print_usage_bug+0xc0/0xc0
[  406.087496] 0 pages in swap cache
[  406.096076]  ? warn_alloc+0x120/0x120
[  406.099853] Swap cache stats: add 0, delete 0, find 0/0
[  406.103731]  ? warn_alloc+0x120/0x120
[  406.107769] Free swap  = 0kB
[  406.111217]  ? print_usage_bug+0xc0/0xc0
[  406.114989] Total swap = 0kB
[  406.114998] 1965979 pages RAM
[  406.120367]  ? kvm_clock_read+0x18/0x30
[  406.124141] 0 pages HighMem/MovableOnly
[  406.127160]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.131213] 342853 pages reserved
[  406.134230]  ? print_usage_bug+0xc0/0xc0
[  406.137326] 0 pages cma reserved
[  406.141300]  ? __lock_acquire+0x62f/0x4c20
[  406.145343] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.150270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.153767] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.157756]  ? should_fail+0x22d/0xd01
[  406.161098] syz-fuzzer cpuset=/ mems_allowed=0
[  406.165334]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.201704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.206816]  ? __lock_acquire+0x62f/0x4c20
[  406.211060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  406.216162]  ? __lock_acquire+0x62f/0x4c20
[  406.220417]  ? should_fail+0x22d/0xd01
[  406.224330]  ? rcu_irq_exit+0x1a2/0x390
[  406.228329]  ? mark_held_locks+0x130/0x130
[  406.232577]  ? mark_held_locks+0x130/0x130
[  406.236820]  ? mark_held_locks+0xc7/0x130
[  406.240976]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  406.245994]  ? zap_class+0x640/0x640
[  406.249714]  ? print_usage_bug+0xc0/0xc0
[  406.253782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.259334]  ? check_preemption_disabled+0x48/0x280
[  406.264364]  ? __lock_is_held+0xb5/0x140
[  406.268442]  __alloc_pages_nodemask+0xa80/0xde0
[  406.273115]  ? zap_class+0x640/0x640
[  406.276839]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  406.281874]  ? find_held_lock+0x36/0x1c0
[  406.285948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.290621]  ? lock_downgrade+0x900/0x900
[  406.294792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.300344]  cache_grow_begin+0xa5/0x8c0
[  406.304423]  ? do_raw_spin_unlock+0xa7/0x330
[  406.308841]  fallback_alloc+0x204/0x2e0
[  406.312826]  ____cache_alloc_node+0x1c7/0x1e0
[  406.317337]  kmem_cache_alloc_node+0xe3/0x730
[  406.321840]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.326089]  __alloc_skb+0x119/0x770
[  406.329808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.335093]  ? netdev_alloc_frag+0x1f0/0x1f0
[  406.339507]  ? lock_downgrade+0x900/0x900
[  406.343669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.349216]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.354684]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.360139]  ? addrconf_rs_timer+0x690/0x690
[  406.364569]  ndisc_alloc_skb+0x144/0x340
[  406.368642]  ndisc_send_rs+0x331/0x6e0
[  406.372541]  addrconf_rs_timer+0x314/0x690
[  406.376783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.381037]  call_timer_fn+0x272/0x920
[  406.384925]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.389165]  ? process_timeout+0x40/0x40
[  406.393239]  ? __run_timers+0x7da/0xc70
[  406.397216]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.401712]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.406209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.410454]  ? lockdep_hardirqs_on+0x296/0x5b0
[  406.415044]  ? trace_hardirqs_on+0xbd/0x310
[  406.419405]  ? kasan_check_read+0x11/0x20
[  406.423562]  ? __run_timers+0x7da/0xc70
[  406.427544]  ? trace_hardirqs_off_caller+0x310/0x310
[  406.432656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.436897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.441136]  __run_timers+0x7e5/0xc70
[  406.444963]  ? timer_fixup_init+0x70/0x70
[  406.449119]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.454141]  ? zap_class+0x640/0x640
[  406.457862]  ? enqueue_hrtimer+0x1a5/0x560
[  406.462104]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.467313]  ? find_held_lock+0x36/0x1c0
[  406.471383]  ? zap_class+0x640/0x640
[  406.475113]  ? pvclock_read_flags+0x160/0x160
[  406.479615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.485158]  ? check_preemption_disabled+0x48/0x280
[  406.490190]  ? __lock_is_held+0xb5/0x140
[  406.494255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.499799]  ? check_preemption_disabled+0x48/0x280
[  406.504823]  run_timer_softirq+0x52/0xb0
[  406.508891]  ? rcu_read_lock_sched_held+0x14f/0x180
[  406.513912]  __do_softirq+0x308/0xb7e
[  406.517725]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  406.522223]  ? lock_downgrade+0x900/0x900
[  406.526381]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  406.531503]  ? pvclock_read_flags+0x160/0x160
[  406.536019]  ? lapic_next_event+0x5a/0x90
[  406.540174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.545719]  ? kvm_clock_read+0x18/0x30
[  406.549702]  ? kvm_sched_clock_read+0x9/0x20
[  406.554117]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.559663]  ? check_preemption_disabled+0x48/0x280
[  406.564691]  irq_exit+0x17f/0x1c0
[  406.568153]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.572998]  ? smp_reschedule_interrupt+0x109/0x650
[  406.578022]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.583908]  ? interrupt_entry+0xb5/0xc0
[  406.587974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.593000]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.598022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.602866]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.607883]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.612902]  ? task_prio+0x50/0x50
[  406.616457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.622000]  ? check_preemption_disabled+0x48/0x280
[  406.627025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.631883]  apic_timer_interrupt+0xf/0x20
[  406.636127]  </IRQ>
[  406.638370] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  406.643326] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  406.662233] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.669944] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  406.677217] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  406.684490] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  406.691760] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  406.699032] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  406.706365]  skb_clone+0x1bb/0x500
[  406.709927]  ? finish_task_switch+0x2f4/0x910
[  406.714434]  ? skb_split+0x11e0/0x11e0
[  406.718335]  ? preempt_notifier_register+0x200/0x200
[  406.723446]  ? __switch_to_asm+0x34/0x70
[  406.727508]  ? __switch_to_asm+0x34/0x70
[  406.731569]  ? __switch_to_asm+0x40/0x70
[  406.735627]  ? __switch_to_asm+0x34/0x70
[  406.739710]  ? __switch_to_asm+0x40/0x70
[  406.743772]  ? __switch_to_asm+0x34/0x70
[  406.747831]  ? __switch_to_asm+0x40/0x70
[  406.751895]  ? __switch_to_asm+0x34/0x70
[  406.755960]  ? __switch_to_asm+0x34/0x70
[  406.760020]  ? __switch_to_asm+0x40/0x70
[  406.764081]  ? __switch_to_asm+0x34/0x70
[  406.768152]  bpf_clone_redirect+0xb9/0x490
[  406.772394]  ? __schedule+0x8d7/0x21d0
[  406.776295]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  406.781333]  ? __sched_text_start+0x8/0x8
[  406.785489]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  406.790256]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  406.794840]  ? retint_kernel+0x2d/0x2d
[  406.798735]  ? find_held_lock+0x36/0x1c0
[  406.802808]  ? lock_acquire+0x1ed/0x520
[  406.806785]  ? bpf_test_run+0x3cb/0x780
[  406.810774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.816327]  ? check_preemption_disabled+0x48/0x280
[  406.821358]  ? kasan_check_read+0x11/0x20
[  406.825512]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  406.830794]  ? rcu_softirq_qs+0x20/0x20
[  406.834776]  ? preempt_schedule+0x4d/0x60
[  406.838932]  ? ___preempt_schedule+0x16/0x18
[  406.843384]  ? bpf_test_run+0x25d/0x780
[  406.847376]  ? netlink_diag_dump+0x2a0/0x2a0
[  406.851797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.857349]  ? bpf_test_init.isra.10+0x70/0x100
[  406.862029]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  406.866799]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.871656]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.877194]  ? fput+0x130/0x1a0
[  406.880478]  ? __bpf_prog_get+0x9b/0x290
[  406.884556]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  406.889400]  ? bpf_prog_test_run+0x130/0x1a0
[  406.893819]  ? __x64_sys_bpf+0x3d8/0x520
[  406.897883]  ? bpf_prog_get+0x20/0x20
[  406.901709]  ? do_syscall_64+0x1b9/0x820
[  406.905773]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  406.911142]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.916075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.920926]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.925951]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  406.930974]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.935998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.940852]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  406.946264] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  406.946398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  406.953255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  406.953264] Call Trace:
[  406.959854] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  406.969095]  <IRQ>
[  406.971687] syz-executor1 cpuset=syz1 mems_allowed=0
[  406.982176]  dump_stack+0x244/0x39d
[  406.993059]  ? dump_stack_print_info.cold.1+0x20/0x20
[  406.998289]  warn_alloc.cold.116+0xb7/0x1bd
[  407.002642]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.007494]  ? lock_downgrade+0x900/0x900
[  407.011654]  ? trace_hardirqs_off+0xb8/0x310
[  407.016073]  ? trace_hardirqs_off+0xb8/0x310
[  407.020500]  __alloc_pages_slowpath+0x26e8/0x2e10
[  407.025379]  ? warn_alloc+0x120/0x120
[  407.029191]  ? print_usage_bug+0xc0/0xc0
[  407.033256]  ? warn_alloc+0x120/0x120
[  407.037063]  ? warn_alloc+0x120/0x120
[  407.040870]  ? print_usage_bug+0xc0/0xc0
[  407.044942]  ? print_usage_bug+0xc0/0xc0
[  407.049008]  ? __lock_acquire+0x62f/0x4c20
[  407.053253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.058795]  ? should_fail+0x22d/0xd01
[  407.062691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.067800]  ? __lock_acquire+0x62f/0x4c20
[  407.072042]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.077149]  ? __lock_acquire+0x62f/0x4c20
[  407.081388]  ? should_fail+0x22d/0xd01
[  407.085280]  ? find_held_lock+0x36/0x1c0
[  407.089370]  ? mark_held_locks+0x130/0x130
[  407.093616]  ? mark_held_locks+0x130/0x130
[  407.097851]  ? zap_class+0x640/0x640
[  407.101628]  ? zap_class+0x640/0x640
[  407.105388]  ? print_usage_bug+0xc0/0xc0
[  407.109452]  ? do_raw_spin_unlock+0xa7/0x330
[  407.113863]  ? zap_class+0x640/0x640
[  407.117581]  ? print_usage_bug+0xc0/0xc0
[  407.121643]  ? wq_watchdog_touch+0x9c/0xfe
[  407.125884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.131445]  ? check_preemption_disabled+0x48/0x280
[  407.136477]  ? __lock_is_held+0xb5/0x140
[  407.140549]  __alloc_pages_nodemask+0xa80/0xde0
[  407.145227]  ? zap_class+0x640/0x640
[  407.148953]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.153984]  ? find_held_lock+0x36/0x1c0
[  407.158063]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.162741]  ? lock_downgrade+0x900/0x900
[  407.166903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.172460]  cache_grow_begin+0xa5/0x8c0
[  407.176526]  ? do_raw_spin_unlock+0xa7/0x330
[  407.180948]  fallback_alloc+0x204/0x2e0
[  407.184937]  ____cache_alloc_node+0x1c7/0x1e0
[  407.189468]  kmem_cache_alloc_node+0xe3/0x730
[  407.193982]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.198232]  __alloc_skb+0x119/0x770
[  407.201952]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.207238]  ? netdev_alloc_frag+0x1f0/0x1f0
[  407.211651]  ? lock_downgrade+0x900/0x900
[  407.215813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.221357]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.226817]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.232275]  ? addrconf_rs_timer+0x690/0x690
[  407.236741]  ndisc_alloc_skb+0x144/0x340
[  407.240813]  ndisc_send_rs+0x331/0x6e0
[  407.244716]  addrconf_rs_timer+0x314/0x690
[  407.248961]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.253209]  call_timer_fn+0x272/0x920
[  407.257101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.261345]  ? process_timeout+0x40/0x40
[  407.265426]  ? mark_held_locks+0xc7/0x130
[  407.269584]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.274082]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.278583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.282820]  ? lockdep_hardirqs_on+0x296/0x5b0
[  407.287413]  ? trace_hardirqs_on+0xbd/0x310
[  407.291741]  ? kasan_check_read+0x11/0x20
[  407.295895]  ? __run_timers+0x7da/0xc70
[  407.299891]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.305012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.309255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.313593]  __run_timers+0x7e5/0xc70
[  407.317419]  ? timer_fixup_init+0x70/0x70
[  407.321576]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.326640]  ? zap_class+0x640/0x640
[  407.330860]  ? print_usage_bug+0xc0/0xc0
[  407.334933]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.340132]  ? find_held_lock+0x36/0x1c0
[  407.344202]  ? zap_class+0x640/0x640
[  407.347930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.353473]  ? check_preemption_disabled+0x48/0x280
[  407.358507]  ? __lock_is_held+0xb5/0x140
[  407.362585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.368140]  ? check_preemption_disabled+0x48/0x280
[  407.373166]  run_timer_softirq+0x52/0xb0
[  407.377232]  ? rcu_read_lock_sched_held+0x14f/0x180
[  407.382252]  __do_softirq+0x308/0xb7e
[  407.386063]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  407.390565]  ? lock_downgrade+0x900/0x900
[  407.394722]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  407.399850]  ? pvclock_read_flags+0x160/0x160
[  407.404360]  ? lapic_next_event+0x5a/0x90
[  407.408525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.414075]  ? kvm_clock_read+0x18/0x30
[  407.418051]  ? kvm_sched_clock_read+0x9/0x20
[  407.422467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.428014]  ? check_preemption_disabled+0x48/0x280
[  407.433048]  irq_exit+0x17f/0x1c0
[  407.436511]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.441371]  ? smp_reschedule_interrupt+0x109/0x650
[  407.446393]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.452290]  ? interrupt_entry+0xb5/0xc0
[  407.456364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.461389]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.466418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.471271]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.476297]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.481335]  ? task_prio+0x50/0x50
[  407.484886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.490442]  ? check_preemption_disabled+0x48/0x280
[  407.495475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.500340]  apic_timer_interrupt+0xf/0x20
[  407.504573]  </IRQ>
[  407.506820] RIP: 0010:console_unlock+0x102f/0x1190
[  407.511754] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  407.530669] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  407.538391] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  407.545675] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  407.552953] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  407.560230] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  407.567508] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  407.574806]  ? netconsole_netdev_event+0x280/0x280
[  407.579861]  ? console_unlock+0x1026/0x1190
[  407.584207]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  407.588890]  ? vprintk_emit+0x846/0x990
[  407.592877]  ? lock_release+0xa00/0xa00
[  407.596861]  ? trace_hardirqs_on+0x60/0x310
[  407.601188]  ? vprintk_default+0x28/0x30
[  407.605257]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.610374]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.615939]  vprintk_emit+0x391/0x990
[  407.619761]  ? wake_up_klogd+0x180/0x180
[  407.623836]  ? find_held_lock+0x1/0x1c0
[  407.627827]  ? mark_held_locks+0xc7/0x130
[  407.631986]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.636485]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.640991]  vprintk_default+0x28/0x30
[  407.644887]  vprintk_func+0x7e/0x181
[  407.648611]  printk+0xa7/0xcf
[  407.651735]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  407.656502]  ? _raw_spin_unlock_irq+0x60/0x80
[  407.661020]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  407.666320]  dump_header+0x7cc/0xf72
[  407.670052]  ? pagefault_out_of_memory+0x197/0x197
[  407.674996]  ? __lock_acquire+0x62f/0x4c20
[  407.679239]  ? percpu_ref_get_many+0x240/0x240
[  407.683835]  ? print_usage_bug+0xc0/0xc0
[  407.687915]  ? zap_class+0x640/0x640
[  407.691640]  ? print_usage_bug+0xc0/0xc0
[  407.695706]  ? zap_class+0x640/0x640
[  407.699435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.704985]  ? find_held_lock+0x36/0x1c0
[  407.709065]  ? mark_held_locks+0xc7/0x130
[  407.713220]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  407.718334]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  407.723449]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  407.728040]  ? trace_hardirqs_on+0xbd/0x310
[  407.732374]  ? kasan_check_read+0x11/0x20
[  407.736528]  ? ___ratelimit+0x3b4/0x672
[  407.740514]  ? trace_hardirqs_off_caller+0x310/0x310
[  407.745627]  ? trace_hardirqs_on+0x310/0x310
[  407.750049]  ? lock_downgrade+0x900/0x900
[  407.754209]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  407.759328]  ? ___ratelimit+0x3b9/0x672
[  407.763320]  ? idr_get_free+0xf70/0xf70
[  407.767303]  ? find_held_lock+0x36/0x1c0
[  407.771395]  oom_kill_process.cold.27+0x10/0x903
[  407.776166]  ? zap_class+0x640/0x640
[  407.779886]  ? check_preemption_disabled+0x48/0x280
[  407.784923]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.789866]  ? kasan_check_read+0x11/0x20
[  407.794022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.799327]  ? oom_evaluate_task+0x540/0x540
[  407.803753]  ? find_held_lock+0x36/0x1c0
[  407.807830]  ? out_of_memory+0x974/0x1430
[  407.811999]  ? lock_downgrade+0x900/0x900
[  407.816155]  ? check_preemption_disabled+0x48/0x280
[  407.821181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  407.826118]  ? kasan_check_read+0x11/0x20
[  407.830272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  407.835561]  ? rcu_softirq_qs+0x20/0x20
[  407.839547]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.845090]  ? oom_evaluate_task+0x302/0x540
[  407.849512]  out_of_memory+0xa84/0x1430
[  407.853506]  ? oom_killer_disable+0x3a0/0x3a0
[  407.858010]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  407.862958]  ? __ww_mutex_check_waiters+0x160/0x160
[  407.868007]  __alloc_pages_slowpath+0x2354/0x2e10
[  407.872890]  ? warn_alloc+0x120/0x120
[  407.876706]  ? mark_held_locks+0x130/0x130
[  407.880958]  ? find_get_entry+0xaae/0x1120
[  407.885214]  ? filemap_map_pages+0x1a20/0x1a20
[  407.889812]  ? zap_class+0x640/0x640
[  407.893541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.899087]  ? check_preemption_disabled+0x48/0x280
[  407.904120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.909668]  ? should_fail+0x22d/0xd01
[  407.913569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.918682]  ? zap_class+0x640/0x640
[  407.922431]  ? __lock_is_held+0xb5/0x140
[  407.926511]  ? mark_held_locks+0x130/0x130
[  407.930756]  ? lock_release+0xa00/0xa00
[  407.934751]  ? perf_trace_sched_process_exec+0x860/0x860
[  407.940216]  ? xa_load+0x2ba/0x460
[  407.943768]  ? lock_downgrade+0x900/0x900
[  407.947942]  ? __might_sleep+0x95/0x190
[  407.951954]  __alloc_pages_nodemask+0xa80/0xde0
[  407.956639]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  407.961668]  ? __page_cache_alloc+0x191/0x5c0
[  407.966178]  ? xa_load+0x2e1/0x460
[  407.969732]  ? xa_clear_mark+0x40/0x40
[  407.973624]  ? zap_class+0x640/0x640
[  407.977346]  ? zap_class+0x640/0x640
[  407.981079]  ? zap_class+0x640/0x640
[  407.984796]  ? zap_class+0x640/0x640
[  407.988525]  ? __do_page_cache_readahead+0x663/0x810
[  407.993643]  ? find_held_lock+0x36/0x1c0
[  407.997722]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  408.003285]  alloc_pages_current+0x173/0x350
[  408.007719]  __page_cache_alloc+0x38c/0x5c0
[  408.012045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.016983]  ? kasan_check_read+0x11/0x20
[  408.021145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.026437]  ? generic_perform_write+0x6a0/0x6a0
[  408.031201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.036749]  ? check_preemption_disabled+0x48/0x280
[  408.041788]  filemap_fault+0x1595/0x25f0
[  408.045872]  ? __lock_page_or_retry+0xa00/0xa00
[  408.050592]  ? mark_held_locks+0x130/0x130
[  408.054847]  ? filemap_map_pages+0xd6b/0x1a20
[  408.059351]  ? lock_downgrade+0x900/0x900
[  408.063510]  ? check_preemption_disabled+0x48/0x280
[  408.068540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.073477]  ? kasan_check_read+0x11/0x20
[  408.077637]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.082934]  ? rcu_softirq_qs+0x20/0x20
[  408.086938]  ? filemap_map_pages+0xd92/0x1a20
[  408.091446]  ? queue_work_on+0x12c/0x1e0
[  408.095524]  ? find_get_entries_tag+0x1400/0x1400
[  408.100379]  ? debug_object_destroy+0x2b0/0x2b0
[  408.105060]  ? lock_pi_update_atomic+0x150/0x150
[  408.109824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.115388]  ? lock_acquire+0x1ed/0x520
[  408.119375]  ? ext4_filemap_fault+0x7a/0xad
[  408.123713]  ? lock_release+0xa00/0xa00
[  408.127693]  ? perf_trace_sched_process_exec+0x860/0x860
[  408.133158]  ? print_usage_bug+0xc0/0xc0
[  408.137239]  ? print_usage_bug+0xc0/0xc0
[  408.141346]  ? down_read+0x8d/0x120
[  408.144980]  ? ext4_filemap_fault+0x7a/0xad
[  408.149325]  ? __down_interruptible+0x700/0x700
[  408.154018]  ext4_filemap_fault+0x82/0xad
[  408.158180]  __do_fault+0x100/0x6b0
[  408.161816]  ? find_held_lock+0x36/0x1c0
[  408.165889]  ? pmd_devmap_trans_unstable+0x220/0x220
[  408.171012]  ? mark_held_locks+0x130/0x130
[  408.175257]  ? mark_held_locks+0x130/0x130
[  408.179503]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.184017]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.188526]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  408.193123]  ? kasan_check_read+0x11/0x20
[  408.197280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.203159]  __handle_mm_fault+0x3ea0/0x5be0
[  408.207592]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  408.212455]  ? finish_task_switch+0x1f4/0x910
[  408.216972]  ? finish_task_switch+0x1b4/0x910
[  408.221481]  ? __switch_to_asm+0x34/0x70
[  408.225568]  ? preempt_notifier_register+0x200/0x200
[  408.230684]  ? __switch_to_asm+0x34/0x70
[  408.234761]  ? __switch_to_asm+0x34/0x70
[  408.238865]  ? zap_class+0x640/0x640
[  408.242593]  ? zap_class+0x640/0x640
[  408.246322]  ? __x64_sys_futex+0x53e/0x6a0
[  408.250572]  ? find_held_lock+0x36/0x1c0
[  408.254653]  ? handle_mm_fault+0x42a/0xc70
[  408.258900]  ? lock_downgrade+0x900/0x900
[  408.263064]  ? check_preemption_disabled+0x48/0x280
[  408.268097]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  408.273038]  ? kasan_check_read+0x11/0x20
[  408.277202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.282493]  ? rcu_softirq_qs+0x20/0x20
[  408.286476]  ? trace_hardirqs_off_caller+0x310/0x310
[  408.291592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.297177]  ? check_preemption_disabled+0x48/0x280
[  408.302216]  handle_mm_fault+0x54f/0xc70
[  408.306296]  ? __handle_mm_fault+0x5be0/0x5be0
[  408.310901]  ? find_vma+0x34/0x190
[  408.314464]  __do_page_fault+0x5e8/0xe60
[  408.318535]  ? trace_hardirqs_off+0xb8/0x310
[  408.322979]  do_page_fault+0xf2/0x7e0
[  408.326789]  ? vmalloc_sync_all+0x30/0x30
[  408.330962]  ? error_entry+0x70/0xd0
[  408.334684]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.339712]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.344655]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.349607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.354469]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.359496]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.364970]  ? prepare_exit_to_usermode+0x291/0x3b0
[  408.370004]  ? page_fault+0x8/0x30
[  408.373562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.378420]  ? page_fault+0x8/0x30
[  408.381969]  page_fault+0x1e/0x30
[  408.385430] RIP: 0033:0x45ddf3
[  408.388650] Code: Bad RIP value.
[  408.392014] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  408.397406] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  408.404687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  408.411965] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  408.419254] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  408.426536] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  408.433847] warn_alloc_show_mem: 1 callbacks suppressed
[  408.433861] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  408.433863] Mem-Info:
[  408.433896] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  408.433896]  active_file:15 inactive_file:15 isolated_file:0
[  408.433896]  unevictable:0 dirty:0 writeback:0 unstable:0
[  408.433896]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  408.433896]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  408.433896]  free:13750 free_pcp:296 free_cma:0
[  408.439252] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.446540] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  408.448959] Call Trace:
[  408.482032] 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
[  408.491406]  <IRQ>
[  408.518915] lowmem_reserve[]: 0 2818 6321 6321
[  408.521521]  dump_stack+0x244/0x39d
[  408.547619] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  408.549798]  ? dump_stack_print_info.cold.1+0x20/0x20
[  408.554347] lowmem_reserve[]: 0 0 3503 3503
[  408.557991]  warn_alloc.cold.116+0xb7/0x1bd
[  408.585473] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  408.590688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.594982] lowmem_reserve[]: 0 0 0 0
[  408.599321]  ? lock_downgrade+0x900/0x900
[  408.628287] 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
[  408.633160]  ? trace_hardirqs_off+0xb8/0x310
[  408.636927] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  408.641080]  ? trace_hardirqs_off+0xb8/0x310
[  408.654592] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  408.659022]  __alloc_pages_slowpath+0x26e8/0x2e10
[  408.674529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  408.678977]  ? warn_alloc+0x120/0x120
[  408.693080] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  408.693093] 2335 total pagecache pages
[  408.697959]  ? print_usage_bug+0xc0/0xc0
[  408.706773] 0 pages in swap cache
[  408.710582]  ? warn_alloc+0x120/0x120
[  408.719142] Swap cache stats: add 0, delete 0, find 0/0
[  408.723037]  ? warn_alloc+0x120/0x120
[  408.727067] Free swap  = 0kB
[  408.730525]  ? print_usage_bug+0xc0/0xc0
[  408.734290] Total swap = 0kB
[  408.734299] 1965979 pages RAM
[  408.739677]  ? kvm_clock_read+0x18/0x30
[  408.743452] 0 pages HighMem/MovableOnly
[  408.746474]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  408.750501] 342853 pages reserved
[  408.750511] 0 pages cma reserved
[  408.753540]  ? print_usage_bug+0xc0/0xc0
[  408.756700] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.760593]  ? __lock_acquire+0x62f/0x4c20
[  408.764624] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.769612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.773041] syz-fuzzer cpuset=/ mems_allowed=0
[  408.776416]  ? should_fail+0x22d/0xd01
[  408.815426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.820723]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.825839]  ? __lock_acquire+0x62f/0x4c20
[  408.830091]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.835205]  ? __lock_acquire+0x62f/0x4c20
[  408.839446]  ? should_fail+0x22d/0xd01
[  408.843345]  ? rcu_irq_exit+0x1a2/0x390
[  408.847347]  ? mark_held_locks+0x130/0x130
[  408.851594]  ? mark_held_locks+0x130/0x130
[  408.855842]  ? mark_held_locks+0xc7/0x130
[  408.859999]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.865026]  ? zap_class+0x640/0x640
[  408.868747]  ? print_usage_bug+0xc0/0xc0
[  408.872818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.878369]  ? check_preemption_disabled+0x48/0x280
[  408.883425]  ? __lock_is_held+0xb5/0x140
[  408.887520]  __alloc_pages_nodemask+0xa80/0xde0
[  408.892201]  ? zap_class+0x640/0x640
[  408.895929]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  408.900965]  ? find_held_lock+0x36/0x1c0
[  408.905045]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.909722]  ? lock_downgrade+0x900/0x900
[  408.913885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.919439]  cache_grow_begin+0xa5/0x8c0
[  408.923512]  ? do_raw_spin_unlock+0xa7/0x330
[  408.927940]  fallback_alloc+0x204/0x2e0
[  408.931932]  ____cache_alloc_node+0x1c7/0x1e0
[  408.936446]  kmem_cache_alloc_node+0xe3/0x730
[  408.940956]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.945210]  __alloc_skb+0x119/0x770
[  408.948935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  408.954231]  ? netdev_alloc_frag+0x1f0/0x1f0
[  408.958649]  ? lock_downgrade+0x900/0x900
[  408.962810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.968356]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.973822]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.979301]  ? addrconf_rs_timer+0x690/0x690
[  408.983742]  ndisc_alloc_skb+0x144/0x340
[  408.987832]  ndisc_send_rs+0x331/0x6e0
[  408.991748]  addrconf_rs_timer+0x314/0x690
[  408.995997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.000251]  call_timer_fn+0x272/0x920
[  409.004143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.008393]  ? process_timeout+0x40/0x40
[  409.012481]  ? __run_timers+0x7da/0xc70
[  409.016467]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.020968]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.025478]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.029727]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.034325]  ? trace_hardirqs_on+0xbd/0x310
[  409.038661]  ? kasan_check_read+0x11/0x20
[  409.042814]  ? __run_timers+0x7da/0xc70
[  409.046795]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.051907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.056155]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.060401]  __run_timers+0x7e5/0xc70
[  409.064226]  ? timer_fixup_init+0x70/0x70
[  409.068385]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.073429]  ? zap_class+0x640/0x640
[  409.077151]  ? enqueue_hrtimer+0x1a5/0x560
[  409.081413]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.086622]  ? find_held_lock+0x36/0x1c0
[  409.090694]  ? zap_class+0x640/0x640
[  409.094423]  ? pvclock_read_flags+0x160/0x160
[  409.098930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.104481]  ? check_preemption_disabled+0x48/0x280
[  409.109514]  ? __lock_is_held+0xb5/0x140
[  409.113581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.119126]  ? check_preemption_disabled+0x48/0x280
[  409.124171]  run_timer_softirq+0x52/0xb0
[  409.128237]  ? rcu_read_lock_sched_held+0x14f/0x180
[  409.133261]  __do_softirq+0x308/0xb7e
[  409.137071]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  409.141571]  ? lock_downgrade+0x900/0x900
[  409.145732]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  409.150851]  ? pvclock_read_flags+0x160/0x160
[  409.155355]  ? lapic_next_event+0x5a/0x90
[  409.159513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.165063]  ? kvm_clock_read+0x18/0x30
[  409.169042]  ? kvm_sched_clock_read+0x9/0x20
[  409.173460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.179004]  ? check_preemption_disabled+0x48/0x280
[  409.184034]  irq_exit+0x17f/0x1c0
[  409.187505]  smp_apic_timer_interrupt+0x1cb/0x760
[  409.192350]  ? smp_reschedule_interrupt+0x109/0x650
[  409.197387]  ? smp_call_function_single_interrupt+0x650/0x650
[  409.203279]  ? interrupt_entry+0xb5/0xc0
[  409.207362]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.212380]  ? trace_hardirqs_off_caller+0xbb/0x310
[  409.217406]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.222257]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.227273]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.232304]  ? task_prio+0x50/0x50
[  409.235862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.241413]  ? check_preemption_disabled+0x48/0x280
[  409.246446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.251314]  apic_timer_interrupt+0xf/0x20
[  409.255550]  </IRQ>
[  409.257884] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  409.262816] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  409.281725] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  409.289442] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  409.296716] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  409.303987] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  409.311256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  409.318530] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  409.325852]  skb_clone+0x1bb/0x500
[  409.329557]  ? finish_task_switch+0x2f4/0x910
[  409.334061]  ? skb_split+0x11e0/0x11e0
[  409.337955]  ? preempt_notifier_register+0x200/0x200
[  409.343063]  ? __switch_to_asm+0x34/0x70
[  409.347124]  ? __switch_to_asm+0x34/0x70
[  409.351195]  ? __switch_to_asm+0x40/0x70
[  409.355259]  ? __switch_to_asm+0x34/0x70
[  409.359329]  ? __switch_to_asm+0x40/0x70
[  409.363392]  ? __switch_to_asm+0x34/0x70
[  409.367460]  ? __switch_to_asm+0x40/0x70
[  409.371521]  ? __switch_to_asm+0x34/0x70
[  409.375586]  ? __switch_to_asm+0x34/0x70
[  409.379700]  ? __switch_to_asm+0x40/0x70
[  409.383794]  ? __switch_to_asm+0x34/0x70
[  409.387879]  bpf_clone_redirect+0xb9/0x490
[  409.392116]  ? __schedule+0x8d7/0x21d0
[  409.396011]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  409.401030]  ? __sched_text_start+0x8/0x8
[  409.405200]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  409.409962]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  409.414559]  ? retint_kernel+0x2d/0x2d
[  409.418468]  ? find_held_lock+0x36/0x1c0
[  409.422540]  ? lock_acquire+0x1ed/0x520
[  409.426516]  ? bpf_test_run+0x3cb/0x780
[  409.430513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.436054]  ? check_preemption_disabled+0x48/0x280
[  409.441079]  ? kasan_check_read+0x11/0x20
[  409.445250]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.450527]  ? rcu_softirq_qs+0x20/0x20
[  409.454507]  ? preempt_schedule+0x4d/0x60
[  409.458667]  ? ___preempt_schedule+0x16/0x18
[  409.463086]  ? bpf_test_run+0x25d/0x780
[  409.467076]  ? netlink_diag_dump+0x2a0/0x2a0
[  409.471498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.477041]  ? bpf_test_init.isra.10+0x70/0x100
[  409.481751]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  409.486523]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.491370]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.496912]  ? fput+0x130/0x1a0
[  409.500196]  ? __bpf_prog_get+0x9b/0x290
[  409.504264]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  409.509108]  ? bpf_prog_test_run+0x130/0x1a0
[  409.513524]  ? __x64_sys_bpf+0x3d8/0x520
[  409.517585]  ? bpf_prog_get+0x20/0x20
[  409.521419]  ? do_syscall_64+0x1b9/0x820
[  409.525485]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.530851]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.535796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.540644]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.545709]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  409.550733]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.555757]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.560610]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.565995] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  409.566089] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  409.572939] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.572948] Call Trace:
[  409.579884] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  409.588770]  <IRQ>
[  409.588794]  dump_stack+0x244/0x39d
[  409.588814]  ? dump_stack_print_info.cold.1+0x20/0x20
[  409.591534] syz-executor1 cpuset=syz1 mems_allowed=0
[  409.602029]  warn_alloc.cold.116+0xb7/0x1bd
[  409.602048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.627314]  ? lock_downgrade+0x900/0x900
[  409.631480]  ? trace_hardirqs_off+0xb8/0x310
[  409.635897]  ? trace_hardirqs_off+0xb8/0x310
[  409.640336]  __alloc_pages_slowpath+0x26e8/0x2e10
[  409.645210]  ? warn_alloc+0x120/0x120
[  409.649014]  ? print_usage_bug+0xc0/0xc0
[  409.653083]  ? warn_alloc+0x120/0x120
[  409.656896]  ? warn_alloc+0x120/0x120
[  409.660705]  ? print_usage_bug+0xc0/0xc0
[  409.664775]  ? print_usage_bug+0xc0/0xc0
[  409.668853]  ? __lock_acquire+0x62f/0x4c20
[  409.673154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.678695]  ? should_fail+0x22d/0xd01
[  409.682589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.687743]  ? __lock_acquire+0x62f/0x4c20
[  409.691983]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.697091]  ? __lock_acquire+0x62f/0x4c20
[  409.701348]  ? should_fail+0x22d/0xd01
[  409.705237]  ? find_held_lock+0x36/0x1c0
[  409.709314]  ? mark_held_locks+0x130/0x130
[  409.713576]  ? mark_held_locks+0x130/0x130
[  409.717808]  ? zap_class+0x640/0x640
[  409.721526]  ? zap_class+0x640/0x640
[  409.725242]  ? print_usage_bug+0xc0/0xc0
[  409.729340]  ? do_raw_spin_unlock+0xa7/0x330
[  409.733766]  ? zap_class+0x640/0x640
[  409.737495]  ? print_usage_bug+0xc0/0xc0
[  409.741558]  ? wq_watchdog_touch+0x9c/0xfe
[  409.745799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.751347]  ? check_preemption_disabled+0x48/0x280
[  409.756409]  ? __lock_is_held+0xb5/0x140
[  409.760480]  __alloc_pages_nodemask+0xa80/0xde0
[  409.765156]  ? zap_class+0x640/0x640
[  409.768876]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  409.773915]  ? find_held_lock+0x36/0x1c0
[  409.778008]  ? ____cache_alloc_node+0x1c7/0x1e0
[  409.782680]  ? lock_downgrade+0x900/0x900
[  409.786840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.792386]  cache_grow_begin+0xa5/0x8c0
[  409.796450]  ? do_raw_spin_unlock+0xa7/0x330
[  409.800870]  fallback_alloc+0x204/0x2e0
[  409.804853]  ____cache_alloc_node+0x1c7/0x1e0
[  409.809357]  kmem_cache_alloc_node+0xe3/0x730
[  409.813856]  ? ipv6_get_ifaddr+0x42e/0x620
[  409.818116]  __alloc_skb+0x119/0x770
[  409.821829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  409.827118]  ? netdev_alloc_frag+0x1f0/0x1f0
[  409.831546]  ? lock_downgrade+0x900/0x900
[  409.835720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.841266]  ? refcount_sub_and_test_checked+0x203/0x310
[  409.846721]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  409.852174]  ? addrconf_rs_timer+0x690/0x690
[  409.856616]  ndisc_alloc_skb+0x144/0x340
[  409.860691]  ndisc_send_rs+0x331/0x6e0
[  409.864600]  addrconf_rs_timer+0x314/0x690
[  409.868844]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.873107]  call_timer_fn+0x272/0x920
[  409.877000]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.881244]  ? process_timeout+0x40/0x40
[  409.885328]  ? mark_held_locks+0xc7/0x130
[  409.889485]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.893997]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.898509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.902750]  ? lockdep_hardirqs_on+0x296/0x5b0
[  409.907360]  ? trace_hardirqs_on+0xbd/0x310
[  409.911693]  ? kasan_check_read+0x11/0x20
[  409.915842]  ? __run_timers+0x7da/0xc70
[  409.919837]  ? trace_hardirqs_off_caller+0x310/0x310
[  409.924968]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.929212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  409.933452]  __run_timers+0x7e5/0xc70
[  409.937267]  ? timer_fixup_init+0x70/0x70
[  409.941443]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.946469]  ? zap_class+0x640/0x640
[  409.950191]  ? print_usage_bug+0xc0/0xc0
[  409.954257]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  409.959457]  ? find_held_lock+0x36/0x1c0
[  409.963528]  ? zap_class+0x640/0x640
[  409.967266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.972812]  ? check_preemption_disabled+0x48/0x280
[  409.977843]  ? __lock_is_held+0xb5/0x140
[  409.981917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.987460]  ? check_preemption_disabled+0x48/0x280
[  409.992491]  run_timer_softirq+0x52/0xb0
[  409.996557]  ? rcu_read_lock_sched_held+0x14f/0x180
[  410.001579]  __do_softirq+0x308/0xb7e
[  410.005388]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  410.009889]  ? lock_downgrade+0x900/0x900
[  410.014052]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  410.019170]  ? pvclock_read_flags+0x160/0x160
[  410.023701]  ? lapic_next_event+0x5a/0x90
[  410.027869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.033438]  ? kvm_clock_read+0x18/0x30
[  410.037416]  ? kvm_sched_clock_read+0x9/0x20
[  410.041832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.047404]  ? check_preemption_disabled+0x48/0x280
[  410.052464]  irq_exit+0x17f/0x1c0
[  410.055927]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.060775]  ? smp_reschedule_interrupt+0x109/0x650
[  410.065796]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.071703]  ? interrupt_entry+0xb5/0xc0
[  410.075769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.080803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.085827]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.090676]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.095696]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.100718]  ? task_prio+0x50/0x50
[  410.104267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.109856]  ? check_preemption_disabled+0x48/0x280
[  410.114900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.119764]  apic_timer_interrupt+0xf/0x20
[  410.123997]  </IRQ>
[  410.126236] RIP: 0010:console_unlock+0x102f/0x1190
[  410.131171] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  410.150087] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  410.157834] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  410.165227] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  410.172527] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  410.179793] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  410.187069] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  410.194373]  ? netconsole_netdev_event+0x280/0x280
[  410.199489]  ? console_unlock+0x1026/0x1190
[  410.203835]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  410.208504]  ? vprintk_emit+0x846/0x990
[  410.212489]  ? lock_release+0xa00/0xa00
[  410.216484]  ? trace_hardirqs_on+0x60/0x310
[  410.220809]  ? vprintk_default+0x28/0x30
[  410.224873]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.229986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.235534]  vprintk_emit+0x391/0x990
[  410.239350]  ? wake_up_klogd+0x180/0x180
[  410.243424]  ? find_held_lock+0x1/0x1c0
[  410.247413]  ? mark_held_locks+0xc7/0x130
[  410.251568]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.256063]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.260571]  vprintk_default+0x28/0x30
[  410.264466]  vprintk_func+0x7e/0x181
[  410.268199]  printk+0xa7/0xcf
[  410.271320]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  410.276084]  ? _raw_spin_unlock_irq+0x60/0x80
[  410.280599]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  410.285887]  dump_header+0x7cc/0xf72
[  410.289618]  ? pagefault_out_of_memory+0x197/0x197
[  410.294558]  ? __lock_acquire+0x62f/0x4c20
[  410.298799]  ? percpu_ref_get_many+0x240/0x240
[  410.303391]  ? print_usage_bug+0xc0/0xc0
[  410.307462]  ? zap_class+0x640/0x640
[  410.311186]  ? print_usage_bug+0xc0/0xc0
[  410.315250]  ? zap_class+0x640/0x640
[  410.318987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.324536]  ? find_held_lock+0x36/0x1c0
[  410.328617]  ? mark_held_locks+0xc7/0x130
[  410.332773]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.337879]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  410.342994]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.347585]  ? trace_hardirqs_on+0xbd/0x310
[  410.351918]  ? kasan_check_read+0x11/0x20
[  410.356068]  ? ___ratelimit+0x3b4/0x672
[  410.360047]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.365157]  ? trace_hardirqs_on+0x310/0x310
[  410.369570]  ? lock_downgrade+0x900/0x900
[  410.373724]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  410.378830]  ? ___ratelimit+0x3b9/0x672
[  410.382814]  ? idr_get_free+0xf70/0xf70
[  410.386791]  ? find_held_lock+0x36/0x1c0
[  410.390865]  oom_kill_process.cold.27+0x10/0x903
[  410.395626]  ? zap_class+0x640/0x640
[  410.399351]  ? check_preemption_disabled+0x48/0x280
[  410.404383]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.409330]  ? kasan_check_read+0x11/0x20
[  410.413482]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.418767]  ? oom_evaluate_task+0x540/0x540
[  410.423182]  ? find_held_lock+0x36/0x1c0
[  410.427256]  ? out_of_memory+0x974/0x1430
[  410.431408]  ? lock_downgrade+0x900/0x900
[  410.435558]  ? check_preemption_disabled+0x48/0x280
[  410.440579]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.445520]  ? kasan_check_read+0x11/0x20
[  410.449670]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.454951]  ? rcu_softirq_qs+0x20/0x20
[  410.458944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.464483]  ? oom_evaluate_task+0x302/0x540
[  410.468900]  out_of_memory+0xa84/0x1430
[  410.472898]  ? oom_killer_disable+0x3a0/0x3a0
[  410.477404]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  410.482350]  ? __ww_mutex_check_waiters+0x160/0x160
[  410.487383]  __alloc_pages_slowpath+0x2354/0x2e10
[  410.492274]  ? warn_alloc+0x120/0x120
[  410.496098]  ? mark_held_locks+0x130/0x130
[  410.500352]  ? find_get_entry+0xaae/0x1120
[  410.504599]  ? filemap_map_pages+0x1a20/0x1a20
[  410.509192]  ? zap_class+0x640/0x640
[  410.512923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.518467]  ? check_preemption_disabled+0x48/0x280
[  410.523489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.529029]  ? should_fail+0x22d/0xd01
[  410.532932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.538045]  ? zap_class+0x640/0x640
[  410.541801]  ? __lock_is_held+0xb5/0x140
[  410.545876]  ? mark_held_locks+0x130/0x130
[  410.550121]  ? lock_release+0xa00/0xa00
[  410.554096]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.559552]  ? xa_load+0x2ba/0x460
[  410.563099]  ? lock_downgrade+0x900/0x900
[  410.567257]  ? __might_sleep+0x95/0x190
[  410.571246]  __alloc_pages_nodemask+0xa80/0xde0
[  410.575932]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  410.580966]  ? __page_cache_alloc+0x191/0x5c0
[  410.585475]  ? xa_load+0x2e1/0x460
[  410.589025]  ? xa_clear_mark+0x40/0x40
[  410.592921]  ? zap_class+0x640/0x640
[  410.596641]  ? zap_class+0x640/0x640
[  410.600369]  ? zap_class+0x640/0x640
[  410.604085]  ? zap_class+0x640/0x640
[  410.607805]  ? __do_page_cache_readahead+0x663/0x810
[  410.612923]  ? find_held_lock+0x36/0x1c0
[  410.616993]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  410.622551]  alloc_pages_current+0x173/0x350
[  410.626973]  __page_cache_alloc+0x38c/0x5c0
[  410.631299]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.636242]  ? kasan_check_read+0x11/0x20
[  410.640393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.645693]  ? generic_perform_write+0x6a0/0x6a0
[  410.650458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.656015]  ? check_preemption_disabled+0x48/0x280
[  410.661044]  filemap_fault+0x1595/0x25f0
[  410.665123]  ? __lock_page_or_retry+0xa00/0xa00
[  410.669800]  ? mark_held_locks+0x130/0x130
[  410.674060]  ? filemap_map_pages+0xd6b/0x1a20
[  410.678561]  ? lock_downgrade+0x900/0x900
[  410.682717]  ? check_preemption_disabled+0x48/0x280
[  410.687752]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.692686]  ? kasan_check_read+0x11/0x20
[  410.696835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.702114]  ? rcu_softirq_qs+0x20/0x20
[  410.706104]  ? filemap_map_pages+0xd92/0x1a20
[  410.710611]  ? queue_work_on+0x12c/0x1e0
[  410.714705]  ? find_get_entries_tag+0x1400/0x1400
[  410.719567]  ? debug_object_destroy+0x2b0/0x2b0
[  410.724242]  ? lock_pi_update_atomic+0x150/0x150
[  410.729005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.734560]  ? lock_acquire+0x1ed/0x520
[  410.738542]  ? ext4_filemap_fault+0x7a/0xad
[  410.742875]  ? lock_release+0xa00/0xa00
[  410.746857]  ? perf_trace_sched_process_exec+0x860/0x860
[  410.752320]  ? print_usage_bug+0xc0/0xc0
[  410.756387]  ? print_usage_bug+0xc0/0xc0
[  410.760476]  ? down_read+0x8d/0x120
[  410.764104]  ? ext4_filemap_fault+0x7a/0xad
[  410.768428]  ? __down_interruptible+0x700/0x700
[  410.773116]  ext4_filemap_fault+0x82/0xad
[  410.777270]  __do_fault+0x100/0x6b0
[  410.780897]  ? find_held_lock+0x36/0x1c0
[  410.784974]  ? pmd_devmap_trans_unstable+0x220/0x220
[  410.790082]  ? mark_held_locks+0x130/0x130
[  410.794327]  ? mark_held_locks+0x130/0x130
[  410.798579]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.803074]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.807574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  410.812166]  ? kasan_check_read+0x11/0x20
[  410.816339]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.821885]  __handle_mm_fault+0x3ea0/0x5be0
[  410.826322]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  410.831172]  ? finish_task_switch+0x1f4/0x910
[  410.835669]  ? finish_task_switch+0x1b4/0x910
[  410.840168]  ? __switch_to_asm+0x34/0x70
[  410.844234]  ? preempt_notifier_register+0x200/0x200
[  410.849348]  ? __switch_to_asm+0x34/0x70
[  410.853409]  ? __switch_to_asm+0x34/0x70
[  410.857497]  ? zap_class+0x640/0x640
[  410.861212]  ? zap_class+0x640/0x640
[  410.864932]  ? __x64_sys_futex+0x53e/0x6a0
[  410.869176]  ? find_held_lock+0x36/0x1c0
[  410.873249]  ? handle_mm_fault+0x42a/0xc70
[  410.877502]  ? lock_downgrade+0x900/0x900
[  410.881677]  ? check_preemption_disabled+0x48/0x280
[  410.886719]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  410.891654]  ? kasan_check_read+0x11/0x20
[  410.895804]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  410.901086]  ? rcu_softirq_qs+0x20/0x20
[  410.905063]  ? trace_hardirqs_off_caller+0x310/0x310
[  410.910176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.915723]  ? check_preemption_disabled+0x48/0x280
[  410.920753]  handle_mm_fault+0x54f/0xc70
[  410.924822]  ? __handle_mm_fault+0x5be0/0x5be0
[  410.929412]  ? find_vma+0x34/0x190
[  410.932964]  __do_page_fault+0x5e8/0xe60
[  410.937028]  ? trace_hardirqs_off+0xb8/0x310
[  410.941452]  do_page_fault+0xf2/0x7e0
[  410.945257]  ? vmalloc_sync_all+0x30/0x30
[  410.949410]  ? error_entry+0x70/0xd0
[  410.953133]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.958151]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.963087]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.968019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.972868]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.977889]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.983358]  ? prepare_exit_to_usermode+0x291/0x3b0
[  410.988454]  ? page_fault+0x8/0x30
[  410.992012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.996868]  ? page_fault+0x8/0x30
[  411.000412]  page_fault+0x1e/0x30
[  411.003866] RIP: 0033:0x45ddf3
[  411.007075] Code: Bad RIP value.
[  411.010442] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  411.015808] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  411.023084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  411.030353] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  411.037624] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  411.044894] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  411.052193] warn_alloc_show_mem: 1 callbacks suppressed
[  411.052206] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  411.052208] Mem-Info:
[  411.052240] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  411.052240]  active_file:15 inactive_file:15 isolated_file:0
[  411.052240]  unevictable:0 dirty:0 writeback:0 unstable:0
[  411.052240]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  411.052240]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  411.052240]  free:13750 free_pcp:296 free_cma:0
[  411.057598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  411.064878] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  411.067279] Call Trace:
[  411.100340] 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
[  411.109696]  <IRQ>
[  411.137193] lowmem_reserve[]: 0 2818 6321 6321
[  411.139787]  dump_stack+0x244/0x39d
[  411.165893] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  411.168060]  ? dump_stack_print_info.cold.1+0x20/0x20
[  411.172600] lowmem_reserve[]: 0 0 3503 3503
[  411.176234]  warn_alloc.cold.116+0xb7/0x1bd
[  411.203708] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  411.208909]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  411.213203] lowmem_reserve[]: 0 0 0 0
[  411.217534]  ? lock_downgrade+0x900/0x900
[  411.246499] 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
[  411.251367]  ? trace_hardirqs_off+0xb8/0x310
[  411.255130] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  411.259280]  ? trace_hardirqs_off+0xb8/0x310
[  411.272775] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  411.277197]  ? noop_count+0x40/0x40
[  411.277223]  __alloc_pages_slowpath+0x26e8/0x2e10
[  411.292725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  411.297148]  ? check_usage+0x1aa/0x790
[  411.311242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  411.314865]  ? warn_alloc+0x120/0x120
[  411.319692] 2335 total pagecache pages
[  411.328525]  ? warn_alloc+0x120/0x120
[  411.332828] 0 pages in swap cache
[  411.341419]  ? __bfs+0xb0/0x780
[  411.345188] Swap cache stats: add 0, delete 0, find 0/0
[  411.349075]  ? print_bfs_bug+0x80/0x80
[  411.352859] Free swap  = 0kB
[  411.356316]  ? warn_alloc+0x120/0x120
[  411.359573] Total swap = 0kB
[  411.364951]  ? print_usage_bug+0xc0/0xc0
[  411.368810] 1965979 pages RAM
[  411.371828]  ? mark_held_locks+0x130/0x130
[  411.375605] 0 pages HighMem/MovableOnly
[  411.378622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.382653] 342853 pages reserved
[  411.385755]  ? should_fail+0x22d/0xd01
[  411.389965] 0 pages cma reserved
[  411.393939]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  411.399527] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  411.402924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.406884] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  411.410150]  ? __lock_acquire+0x62f/0x4c20
[  411.416010] syz-fuzzer cpuset=/ mems_allowed=0
[  411.422501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  411.451667]  ? should_fail+0x22d/0xd01
[  411.455571]  ? mark_held_locks+0x130/0x130
[  411.459812]  ? mark_held_locks+0x130/0x130
[  411.464054]  ? zap_class+0x640/0x640
[  411.467772]  ? zap_class+0x640/0x640
[  411.471491]  ? trace_event_raw_event_lock_acquire+0x440/0x440
[  411.477388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.482935]  ? check_preemption_disabled+0x48/0x280
[  411.487967]  ? __lock_is_held+0xb5/0x140
[  411.492052]  __alloc_pages_nodemask+0xa80/0xde0
[  411.496725]  ? zap_class+0x640/0x640
[  411.500454]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  411.505484]  ? find_held_lock+0x36/0x1c0
[  411.509573]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.514251]  ? lock_downgrade+0x900/0x900
[  411.518416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.523967]  cache_grow_begin+0xa5/0x8c0
[  411.528037]  ? do_raw_spin_unlock+0xa7/0x330
[  411.532456]  fallback_alloc+0x204/0x2e0
[  411.536453]  ____cache_alloc_node+0x1c7/0x1e0
[  411.540960]  kmem_cache_alloc_node+0xe3/0x730
[  411.545466]  ? mark_held_locks+0xc7/0x130
[  411.549629]  __alloc_skb+0x119/0x770
[  411.553356]  ? netdev_alloc_frag+0x1f0/0x1f0
[  411.557765]  ? do_raw_spin_trylock+0x270/0x270
[  411.562351]  ? kmem_cache_alloc_trace+0x353/0x750
[  411.567199]  ? queue_work_on+0x12c/0x1e0
[  411.571283]  ? switchdev_port_obj_del+0xdc/0x440
[  411.576054]  ? switchdev_trans_item_enqueue+0x260/0x260
[  411.581433]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.586461]  __br_mdb_notify+0x4ff/0x15d0
[  411.590616]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  411.595730]  ? __br_mdb_add+0x7f0/0x7f0
[  411.599711]  ? mark_held_locks+0x130/0x130
[  411.603954]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  411.609066]  ? debug_object_assert_init+0x368/0x4b0
[  411.614085]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.619194]  ? debug_object_init_on_stack+0x20/0x20
[  411.624213]  ? zap_class+0x640/0x640
[  411.627936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.633487]  br_mdb_notify+0x310/0x410
[  411.637406]  ? br_mdb_dump+0x27b0/0x27b0
[  411.641510]  br_multicast_del_pg+0x3df/0x790
[  411.645933]  ? br_mdb_ip_get+0x940/0x940
[  411.649999]  ? rwlock_bug.part.2+0x90/0x90
[  411.654247]  ? __lock_is_held+0xb5/0x140
[  411.658331]  br_multicast_port_group_expired+0x189/0x1e0
[  411.663789]  call_timer_fn+0x272/0x920
[  411.667692]  ? br_multicast_del_pg+0x790/0x790
[  411.672284]  ? process_timeout+0x40/0x40
[  411.676364]  ? __run_timers+0x7da/0xc70
[  411.680370]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.684870]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.689378]  ? br_multicast_del_pg+0x790/0x790
[  411.693968]  ? lockdep_hardirqs_on+0x296/0x5b0
[  411.698576]  ? trace_hardirqs_on+0xbd/0x310
[  411.702904]  ? kasan_check_read+0x11/0x20
[  411.707054]  ? __run_timers+0x7da/0xc70
[  411.711038]  ? trace_hardirqs_off_caller+0x310/0x310
[  411.716150]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.720407]  ? br_multicast_del_pg+0x790/0x790
[  411.724997]  __run_timers+0x7e5/0xc70
[  411.728816]  ? timer_fixup_init+0x70/0x70
[  411.732969]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.737990]  ? zap_class+0x640/0x640
[  411.741715]  ? enqueue_hrtimer+0x1a5/0x560
[  411.745956]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.751156]  ? find_held_lock+0x36/0x1c0
[  411.755227]  ? zap_class+0x640/0x640
[  411.758947]  ? pvclock_read_flags+0x160/0x160
[  411.763454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.769001]  ? check_preemption_disabled+0x48/0x280
[  411.774033]  ? __lock_is_held+0xb5/0x140
[  411.778098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.783646]  ? check_preemption_disabled+0x48/0x280
[  411.788674]  run_timer_softirq+0x52/0xb0
[  411.792739]  ? rcu_read_lock_sched_held+0x14f/0x180
[  411.797763]  __do_softirq+0x308/0xb7e
[  411.801580]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  411.806099]  ? lock_downgrade+0x900/0x900
[  411.810256]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  411.815404]  ? pvclock_read_flags+0x160/0x160
[  411.819921]  ? lapic_next_event+0x5a/0x90
[  411.824075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.829620]  ? kvm_clock_read+0x18/0x30
[  411.833598]  ? kvm_sched_clock_read+0x9/0x20
[  411.838009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.843552]  ? check_preemption_disabled+0x48/0x280
[  411.848584]  irq_exit+0x17f/0x1c0
[  411.852044]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.856888]  ? smp_reschedule_interrupt+0x109/0x650
[  411.861910]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.867796]  ? interrupt_entry+0xb5/0xc0
[  411.871861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.876880]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.881903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.886749]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.891771]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.896790]  ? task_prio+0x50/0x50
[  411.900345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.905888]  ? check_preemption_disabled+0x48/0x280
[  411.910916]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.915771]  apic_timer_interrupt+0xf/0x20
[  411.920013]  </IRQ>
[  411.922257] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  411.927194] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  411.946094] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.953806] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  411.961077] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  411.968343] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  411.975611] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  411.982880] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  411.990188]  skb_clone+0x1bb/0x500
[  411.993736]  ? finish_task_switch+0x2f4/0x910
[  411.998234]  ? skb_split+0x11e0/0x11e0
[  412.002125]  ? preempt_notifier_register+0x200/0x200
[  412.007229]  ? __switch_to_asm+0x34/0x70
[  412.011289]  ? __switch_to_asm+0x34/0x70
[  412.015360]  ? __switch_to_asm+0x40/0x70
[  412.019428]  ? __switch_to_asm+0x34/0x70
[  412.023490]  ? __switch_to_asm+0x40/0x70
[  412.027550]  ? __switch_to_asm+0x34/0x70
[  412.031610]  ? __switch_to_asm+0x40/0x70
[  412.035669]  ? __switch_to_asm+0x34/0x70
[  412.039732]  ? __switch_to_asm+0x34/0x70
[  412.043808]  ? __switch_to_asm+0x40/0x70
[  412.047867]  ? __switch_to_asm+0x34/0x70
[  412.051944]  bpf_clone_redirect+0xb9/0x490
[  412.056184]  ? __schedule+0x8d7/0x21d0
[  412.060078]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  412.065099]  ? __sched_text_start+0x8/0x8
[  412.069262]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  412.074042]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  412.078627]  ? retint_kernel+0x2d/0x2d
[  412.082522]  ? find_held_lock+0x36/0x1c0
[  412.086593]  ? lock_acquire+0x1ed/0x520
[  412.090579]  ? bpf_test_run+0x3cb/0x780
[  412.094563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.100107]  ? check_preemption_disabled+0x48/0x280
[  412.105138]  ? kasan_check_read+0x11/0x20
[  412.109289]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.114574]  ? rcu_softirq_qs+0x20/0x20
[  412.118554]  ? preempt_schedule+0x4d/0x60
[  412.122705]  ? ___preempt_schedule+0x16/0x18
[  412.127128]  ? bpf_test_run+0x25d/0x780
[  412.131115]  ? netlink_diag_dump+0x2a0/0x2a0
[  412.135530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.141070]  ? bpf_test_init.isra.10+0x70/0x100
[  412.145754]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  412.150523]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.155372]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  412.160915]  ? fput+0x130/0x1a0
[  412.164199]  ? __bpf_prog_get+0x9b/0x290
[  412.168267]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  412.173110]  ? bpf_prog_test_run+0x130/0x1a0
[  412.177522]  ? __x64_sys_bpf+0x3d8/0x520
[  412.181587]  ? bpf_prog_get+0x20/0x20
[  412.185417]  ? do_syscall_64+0x1b9/0x820
[  412.189486]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  412.194858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  412.200195]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.205043]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.210066]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  412.215089]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.220119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.224971]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  412.230361] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  412.231321] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.237296] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.247775] syz-executor1 cpuset=syz1 mems_allowed=0
[  412.257119] Call Trace:
[  412.264794]  <IRQ>
[  412.266949]  dump_stack+0x244/0x39d
[  412.270583]  ? dump_stack_print_info.cold.1+0x20/0x20
[  412.275797]  warn_alloc.cold.116+0xb7/0x1bd
[  412.280126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.284976]  ? lock_downgrade+0x900/0x900
[  412.289137]  ? trace_hardirqs_off+0xb8/0x310
[  412.293555]  ? trace_hardirqs_off+0xb8/0x310
[  412.297973]  __alloc_pages_slowpath+0x26e8/0x2e10
[  412.302845]  ? warn_alloc+0x120/0x120
[  412.306653]  ? print_usage_bug+0xc0/0xc0
[  412.310723]  ? warn_alloc+0x120/0x120
[  412.314530]  ? warn_alloc+0x120/0x120
[  412.318342]  ? print_usage_bug+0xc0/0xc0
[  412.322419]  ? kvm_clock_read+0x18/0x30
[  412.326398]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  412.331420]  ? print_usage_bug+0xc0/0xc0
[  412.335486]  ? __lock_acquire+0x62f/0x4c20
[  412.339730]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.345271]  ? should_fail+0x22d/0xd01
[  412.349163]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.354448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.359560]  ? __lock_acquire+0x62f/0x4c20
[  412.363803]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.368907]  ? __lock_acquire+0x62f/0x4c20
[  412.373147]  ? should_fail+0x22d/0xd01
[  412.377041]  ? rcu_irq_exit+0x1a2/0x390
[  412.381029]  ? mark_held_locks+0x130/0x130
[  412.385272]  ? mark_held_locks+0x130/0x130
[  412.389527]  ? mark_held_locks+0xc7/0x130
[  412.393677]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.398713]  ? zap_class+0x640/0x640
[  412.402446]  ? print_usage_bug+0xc0/0xc0
[  412.406515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.412056]  ? check_preemption_disabled+0x48/0x280
[  412.417084]  ? __lock_is_held+0xb5/0x140
[  412.421158]  __alloc_pages_nodemask+0xa80/0xde0
[  412.425828]  ? zap_class+0x640/0x640
[  412.429553]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  412.434583]  ? find_held_lock+0x36/0x1c0
[  412.438661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.443342]  ? lock_downgrade+0x900/0x900
[  412.447502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.453046]  cache_grow_begin+0xa5/0x8c0
[  412.457112]  ? do_raw_spin_unlock+0xa7/0x330
[  412.461536]  fallback_alloc+0x204/0x2e0
[  412.465527]  ____cache_alloc_node+0x1c7/0x1e0
[  412.470040]  kmem_cache_alloc_node+0xe3/0x730
[  412.474544]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.478797]  __alloc_skb+0x119/0x770
[  412.482514]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  412.487802]  ? netdev_alloc_frag+0x1f0/0x1f0
[  412.492211]  ? lock_downgrade+0x900/0x900
[  412.496387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.501949]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.507406]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.512881]  ? addrconf_rs_timer+0x690/0x690
[  412.517318]  ndisc_alloc_skb+0x144/0x340
[  412.521396]  ndisc_send_rs+0x331/0x6e0
[  412.525295]  addrconf_rs_timer+0x314/0x690
[  412.529553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.533806]  call_timer_fn+0x272/0x920
[  412.537704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.541943]  ? process_timeout+0x40/0x40
[  412.546023]  ? mark_held_locks+0xc7/0x130
[  412.550180]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.554683]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.559187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.563434]  ? lockdep_hardirqs_on+0x296/0x5b0
[  412.568034]  ? trace_hardirqs_on+0xbd/0x310
[  412.572362]  ? kasan_check_read+0x11/0x20
[  412.576526]  ? __run_timers+0x7da/0xc70
[  412.580508]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.585656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.589953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.594219]  __run_timers+0x7e5/0xc70
[  412.598030]  ? timer_fixup_init+0x70/0x70
[  412.602193]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.607232]  ? zap_class+0x640/0x640
[  412.610951]  ? print_usage_bug+0xc0/0xc0
[  412.615017]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.620216]  ? find_held_lock+0x36/0x1c0
[  412.624283]  ? zap_class+0x640/0x640
[  412.628023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.633580]  ? check_preemption_disabled+0x48/0x280
[  412.638628]  ? __lock_is_held+0xb5/0x140
[  412.642698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.648243]  ? check_preemption_disabled+0x48/0x280
[  412.653268]  run_timer_softirq+0x52/0xb0
[  412.657337]  ? rcu_read_lock_sched_held+0x14f/0x180
[  412.662361]  __do_softirq+0x308/0xb7e
[  412.666170]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  412.670670]  ? lock_downgrade+0x900/0x900
[  412.674822]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  412.679952]  ? pvclock_read_flags+0x160/0x160
[  412.684485]  ? lapic_next_event+0x5a/0x90
[  412.688654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.694199]  ? kvm_clock_read+0x18/0x30
[  412.698171]  ? kvm_sched_clock_read+0x9/0x20
[  412.702578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.708117]  ? check_preemption_disabled+0x48/0x280
[  412.713145]  irq_exit+0x17f/0x1c0
[  412.716624]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.721469]  ? smp_reschedule_interrupt+0x109/0x650
[  412.726488]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.732375]  ? interrupt_entry+0xb5/0xc0
[  412.736441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.741456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.746494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.751346]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.756360]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.761378]  ? task_prio+0x50/0x50
[  412.764927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.770470]  ? check_preemption_disabled+0x48/0x280
[  412.775495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.780379]  apic_timer_interrupt+0xf/0x20
[  412.784613]  </IRQ>
[  412.786855] RIP: 0010:console_unlock+0x102f/0x1190
[  412.791792] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  412.810711] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  412.818430] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  412.825720] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  412.833009] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  412.840372] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  412.847645] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  412.854945]  ? netconsole_netdev_event+0x280/0x280
[  412.859891]  ? console_unlock+0x1026/0x1190
[  412.864238]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  412.868919]  ? vprintk_emit+0x846/0x990
[  412.872942]  ? lock_release+0xa00/0xa00
[  412.876928]  ? trace_hardirqs_on+0x60/0x310
[  412.881252]  ? vprintk_default+0x28/0x30
[  412.885329]  ? trace_hardirqs_off_caller+0x310/0x310
[  412.890445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.895998]  vprintk_emit+0x391/0x990
[  412.899808]  ? wake_up_klogd+0x180/0x180
[  412.903882]  ? find_held_lock+0x1/0x1c0
[  412.907876]  ? mark_held_locks+0xc7/0x130
[  412.912040]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.916552]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.921058]  vprintk_default+0x28/0x30
[  412.924966]  vprintk_func+0x7e/0x181
[  412.928687]  printk+0xa7/0xcf
[  412.931799]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  412.936574]  ? _raw_spin_unlock_irq+0x60/0x80
[  412.941099]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  412.946401]  dump_header+0x7cc/0xf72
[  412.950132]  ? pagefault_out_of_memory+0x197/0x197
[  412.955095]  ? __lock_acquire+0x62f/0x4c20
[  412.959350]  ? percpu_ref_get_many+0x240/0x240
[  412.963947]  ? print_usage_bug+0xc0/0xc0
[  412.968021]  ? zap_class+0x640/0x640
[  412.971750]  ? print_usage_bug+0xc0/0xc0
[  412.975819]  ? zap_class+0x640/0x640
[  412.979542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.985091]  ? find_held_lock+0x36/0x1c0
[  412.989168]  ? mark_held_locks+0xc7/0x130
[  412.993336]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  412.998446]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  413.003560]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.008154]  ? trace_hardirqs_on+0xbd/0x310
[  413.012485]  ? kasan_check_read+0x11/0x20
[  413.016665]  ? ___ratelimit+0x3b4/0x672
[  413.020651]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.025761]  ? trace_hardirqs_on+0x310/0x310
[  413.030208]  ? lock_downgrade+0x900/0x900
[  413.034384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  413.039622]  ? ___ratelimit+0x3b9/0x672
[  413.043605]  ? idr_get_free+0xf70/0xf70
[  413.047586]  ? find_held_lock+0x36/0x1c0
[  413.051665]  oom_kill_process.cold.27+0x10/0x903
[  413.056438]  ? zap_class+0x640/0x640
[  413.060188]  ? check_preemption_disabled+0x48/0x280
[  413.065216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.070159]  ? kasan_check_read+0x11/0x20
[  413.074323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.079617]  ? oom_evaluate_task+0x540/0x540
[  413.084039]  ? find_held_lock+0x36/0x1c0
[  413.088119]  ? out_of_memory+0x974/0x1430
[  413.092281]  ? lock_downgrade+0x900/0x900
[  413.096449]  ? check_preemption_disabled+0x48/0x280
[  413.101479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.106425]  ? kasan_check_read+0x11/0x20
[  413.110585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.115865]  ? rcu_softirq_qs+0x20/0x20
[  413.119855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.125398]  ? oom_evaluate_task+0x302/0x540
[  413.129822]  out_of_memory+0xa84/0x1430
[  413.133811]  ? oom_killer_disable+0x3a0/0x3a0
[  413.138326]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  413.143273]  ? __ww_mutex_check_waiters+0x160/0x160
[  413.148344]  __alloc_pages_slowpath+0x2354/0x2e10
[  413.153267]  ? warn_alloc+0x120/0x120
[  413.157078]  ? mark_held_locks+0x130/0x130
[  413.161343]  ? find_get_entry+0xaae/0x1120
[  413.165596]  ? filemap_map_pages+0x1a20/0x1a20
[  413.170197]  ? zap_class+0x640/0x640
[  413.173930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.179481]  ? check_preemption_disabled+0x48/0x280
[  413.184510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.190059]  ? should_fail+0x22d/0xd01
[  413.193964]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.199083]  ? zap_class+0x640/0x640
[  413.202831]  ? __lock_is_held+0xb5/0x140
[  413.206916]  ? mark_held_locks+0x130/0x130
[  413.211165]  ? lock_release+0xa00/0xa00
[  413.215157]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.220633]  ? xa_load+0x2ba/0x460
[  413.224182]  ? lock_downgrade+0x900/0x900
[  413.228349]  ? __might_sleep+0x95/0x190
[  413.232347]  __alloc_pages_nodemask+0xa80/0xde0
[  413.237033]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  413.242056]  ? __page_cache_alloc+0x191/0x5c0
[  413.246568]  ? xa_load+0x2e1/0x460
[  413.250120]  ? xa_clear_mark+0x40/0x40
[  413.254014]  ? zap_class+0x640/0x640
[  413.257732]  ? zap_class+0x640/0x640
[  413.261460]  ? zap_class+0x640/0x640
[  413.265175]  ? zap_class+0x640/0x640
[  413.268917]  ? __do_page_cache_readahead+0x663/0x810
[  413.274038]  ? find_held_lock+0x36/0x1c0
[  413.278111]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  413.283664]  alloc_pages_current+0x173/0x350
[  413.288090]  __page_cache_alloc+0x38c/0x5c0
[  413.292419]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.297367]  ? kasan_check_read+0x11/0x20
[  413.301533]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.306830]  ? generic_perform_write+0x6a0/0x6a0
[  413.311613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.317174]  ? check_preemption_disabled+0x48/0x280
[  413.322210]  filemap_fault+0x1595/0x25f0
[  413.326291]  ? __lock_page_or_retry+0xa00/0xa00
[  413.331475]  ? mark_held_locks+0x130/0x130
[  413.335727]  ? filemap_map_pages+0xd6b/0x1a20
[  413.340233]  ? lock_downgrade+0x900/0x900
[  413.344402]  ? check_preemption_disabled+0x48/0x280
[  413.349435]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.354377]  ? kasan_check_read+0x11/0x20
[  413.358534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.363818]  ? rcu_softirq_qs+0x20/0x20
[  413.367823]  ? filemap_map_pages+0xd92/0x1a20
[  413.372335]  ? queue_work_on+0x12c/0x1e0
[  413.376415]  ? find_get_entries_tag+0x1400/0x1400
[  413.381279]  ? debug_object_destroy+0x2b0/0x2b0
[  413.385994]  ? lock_pi_update_atomic+0x150/0x150
[  413.390756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.396322]  ? lock_acquire+0x1ed/0x520
[  413.400325]  ? ext4_filemap_fault+0x7a/0xad
[  413.404660]  ? lock_release+0xa00/0xa00
[  413.408640]  ? perf_trace_sched_process_exec+0x860/0x860
[  413.414111]  ? print_usage_bug+0xc0/0xc0
[  413.418184]  ? print_usage_bug+0xc0/0xc0
[  413.422267]  ? down_read+0x8d/0x120
[  413.425899]  ? ext4_filemap_fault+0x7a/0xad
[  413.430238]  ? __down_interruptible+0x700/0x700
[  413.434928]  ext4_filemap_fault+0x82/0xad
[  413.439090]  __do_fault+0x100/0x6b0
[  413.442738]  ? find_held_lock+0x36/0x1c0
[  413.446812]  ? pmd_devmap_trans_unstable+0x220/0x220
[  413.451938]  ? mark_held_locks+0x130/0x130
[  413.456193]  ? mark_held_locks+0x130/0x130
[  413.460434]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.464943]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.469451]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  413.474045]  ? kasan_check_read+0x11/0x20
[  413.478200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.483765]  __handle_mm_fault+0x3ea0/0x5be0
[  413.488204]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  413.493057]  ? finish_task_switch+0x1f4/0x910
[  413.497558]  ? finish_task_switch+0x1b4/0x910
[  413.502059]  ? __switch_to_asm+0x34/0x70
[  413.506130]  ? preempt_notifier_register+0x200/0x200
[  413.511261]  ? __switch_to_asm+0x34/0x70
[  413.515349]  ? __switch_to_asm+0x34/0x70
[  413.519433]  ? zap_class+0x640/0x640
[  413.523153]  ? zap_class+0x640/0x640
[  413.526876]  ? __x64_sys_futex+0x53e/0x6a0
[  413.531125]  ? find_held_lock+0x36/0x1c0
[  413.535205]  ? handle_mm_fault+0x42a/0xc70
[  413.539449]  ? lock_downgrade+0x900/0x900
[  413.543605]  ? check_preemption_disabled+0x48/0x280
[  413.548631]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  413.553568]  ? kasan_check_read+0x11/0x20
[  413.557748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  413.563035]  ? rcu_softirq_qs+0x20/0x20
[  413.567016]  ? trace_hardirqs_off_caller+0x310/0x310
[  413.572127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.577672]  ? check_preemption_disabled+0x48/0x280
[  413.582704]  handle_mm_fault+0x54f/0xc70
[  413.586785]  ? __handle_mm_fault+0x5be0/0x5be0
[  413.591379]  ? find_vma+0x34/0x190
[  413.594938]  __do_page_fault+0x5e8/0xe60
[  413.599008]  ? trace_hardirqs_off+0xb8/0x310
[  413.603433]  do_page_fault+0xf2/0x7e0
[  413.607247]  ? vmalloc_sync_all+0x30/0x30
[  413.611402]  ? error_entry+0x70/0xd0
[  413.615127]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.620149]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.625085]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.630023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.634887]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.639914]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.645380]  ? prepare_exit_to_usermode+0x291/0x3b0
[  413.650408]  ? page_fault+0x8/0x30
[  413.653955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.658804]  ? page_fault+0x8/0x30
[  413.662352]  page_fault+0x1e/0x30
[  413.665807] RIP: 0033:0x45ddf3
[  413.669014] Code: Bad RIP value.
[  413.672382] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  413.677759] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  413.685035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  413.692313] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  413.699583] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  413.706879] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  413.714181] warn_alloc_show_mem: 1 callbacks suppressed
[  413.714193] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  413.714195] Mem-Info:
[  413.714229] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  413.714229]  active_file:15 inactive_file:15 isolated_file:0
[  413.714229]  unevictable:0 dirty:0 writeback:0 unstable:0
[  413.714229]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  413.714229]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  413.714229]  free:13750 free_pcp:296 free_cma:0
[  413.719573] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.726860] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  413.729263] Call Trace:
[  413.762331] 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
[  413.771684]  <IRQ>
[  413.799172] lowmem_reserve[]: 0 2818 6321 6321
[  413.801790]  dump_stack+0x244/0x39d
[  413.827885] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  413.830054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  413.834595] lowmem_reserve[]: 0 0 3503 3503
[  413.838227]  warn_alloc.cold.116+0xb7/0x1bd
[  413.865707] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  413.870911]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.875227] lowmem_reserve[]: 0 0 0 0
[  413.879560]  ? lock_downgrade+0x900/0x900
[  413.908525] 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
[  413.913388]  ? trace_hardirqs_off+0xb8/0x310
[  413.917152] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  413.921298]  ? trace_hardirqs_off+0xb8/0x310
[  413.934806] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  413.939221]  __alloc_pages_slowpath+0x26e8/0x2e10
[  413.954725] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  413.959152]  ? warn_alloc+0x120/0x120
[  413.973237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  413.973247] 2335 total pagecache pages
[  413.978087]  ? warn_alloc+0x120/0x120
[  413.986921] 0 pages in swap cache
[  413.990711]  ? warn_alloc+0x120/0x120
[  413.999267] Swap cache stats: add 0, delete 0, find 0/0
[  414.003154]  ? print_usage_bug+0xc0/0xc0
[  414.006930] Free swap  = 0kB
[  414.010391]  ? print_usage_bug+0xc0/0xc0
[  414.014167] Total swap = 0kB
[  414.014176] 1965979 pages RAM
[  414.019549]  ? check_usage+0x1aa/0x790
[  414.023582] 0 pages HighMem/MovableOnly
[  414.023591] 342853 pages reserved
[  414.026604]  ? check_usage+0x1aa/0x790
[  414.030640] 0 pages cma reserved
[  414.033654]  ? mark_held_locks+0x130/0x130
[  414.036827] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  414.040633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.044704] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.048047]  ? should_fail+0x22d/0xd01
[  414.051921] syz-fuzzer cpuset=/ mems_allowed=0
[  414.055295]  ? check_usage_forwards+0x3d0/0x3d0
[  414.094845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.099961]  ? __lock_acquire+0x62f/0x4c20
[  414.104206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.109319]  ? should_fail+0x22d/0xd01
[  414.113225]  ? mark_held_locks+0x130/0x130
[  414.117467]  ? mark_held_locks+0x130/0x130
[  414.121704]  ? print_usage_bug+0xc0/0xc0
[  414.125776]  ? find_held_lock+0x36/0x1c0
[  414.129851]  ? zap_class+0x640/0x640
[  414.133575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.139121]  ? check_preemption_disabled+0x48/0x280
[  414.144158]  ? __lock_is_held+0xb5/0x140
[  414.148233]  __alloc_pages_nodemask+0xa80/0xde0
[  414.152908]  ? zap_class+0x640/0x640
[  414.156633]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  414.161667]  ? find_held_lock+0x36/0x1c0
[  414.165743]  ? ____cache_alloc_node+0x1c7/0x1e0
[  414.170425]  ? lock_downgrade+0x900/0x900
[  414.174625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.180197]  cache_grow_begin+0xa5/0x8c0
[  414.184264]  ? do_raw_spin_unlock+0xa7/0x330
[  414.188685]  fallback_alloc+0x204/0x2e0
[  414.192671]  ____cache_alloc_node+0x1c7/0x1e0
[  414.197174]  kmem_cache_alloc_node+0xe3/0x730
[  414.202035]  ? mark_held_locks+0xc7/0x130
[  414.206198]  __alloc_skb+0x119/0x770
[  414.209922]  ? netdev_alloc_frag+0x1f0/0x1f0
[  414.214345]  ? do_raw_spin_trylock+0x270/0x270
[  414.218952]  ? kmem_cache_alloc_trace+0x353/0x750
[  414.223803]  ? queue_work_on+0x12c/0x1e0
[  414.227880]  ? switchdev_port_obj_del+0xdc/0x440
[  414.232642]  ? switchdev_trans_item_enqueue+0x260/0x260
[  414.238019]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.243045]  __br_mdb_notify+0x4ff/0x15d0
[  414.247201]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  414.252327]  ? __br_mdb_add+0x7f0/0x7f0
[  414.256320]  ? mark_held_locks+0x130/0x130
[  414.260565]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  414.265677]  ? debug_object_assert_init+0x368/0x4b0
[  414.270704]  ? debug_object_init_on_stack+0x20/0x20
[  414.275721]  ? zap_class+0x640/0x640
[  414.279458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.285009]  br_mdb_notify+0x310/0x410
[  414.288902]  ? br_mdb_dump+0x27b0/0x27b0
[  414.292987]  br_multicast_del_pg+0x3df/0x790
[  414.297405]  ? br_mdb_ip_get+0x940/0x940
[  414.301476]  ? rwlock_bug.part.2+0x90/0x90
[  414.305721]  ? __lock_is_held+0xb5/0x140
[  414.309827]  br_multicast_port_group_expired+0x189/0x1e0
[  414.315287]  call_timer_fn+0x272/0x920
[  414.319205]  ? br_multicast_del_pg+0x790/0x790
[  414.323796]  ? process_timeout+0x40/0x40
[  414.327867]  ? __run_timers+0x7da/0xc70
[  414.331847]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.336348]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.340855]  ? br_multicast_del_pg+0x790/0x790
[  414.345451]  ? lockdep_hardirqs_on+0x296/0x5b0
[  414.350040]  ? trace_hardirqs_on+0xbd/0x310
[  414.354367]  ? kasan_check_read+0x11/0x20
[  414.358521]  ? __run_timers+0x7da/0xc70
[  414.362511]  ? trace_hardirqs_off_caller+0x310/0x310
[  414.367627]  ? br_multicast_del_pg+0x790/0x790
[  414.372223]  ? br_multicast_del_pg+0x790/0x790
[  414.376805]  __run_timers+0x7e5/0xc70
[  414.380666]  ? timer_fixup_init+0x70/0x70
[  414.384819]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.389842]  ? zap_class+0x640/0x640
[  414.393566]  ? enqueue_hrtimer+0x1a5/0x560
[  414.397808]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  414.403009]  ? find_held_lock+0x36/0x1c0
[  414.407085]  ? zap_class+0x640/0x640
[  414.410806]  ? pvclock_read_flags+0x160/0x160
[  414.415319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.420863]  ? check_preemption_disabled+0x48/0x280
[  414.425893]  ? __lock_is_held+0xb5/0x140
[  414.429966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.435513]  ? check_preemption_disabled+0x48/0x280
[  414.440539]  run_timer_softirq+0x52/0xb0
[  414.444622]  ? rcu_read_lock_sched_held+0x14f/0x180
[  414.449655]  __do_softirq+0x308/0xb7e
[  414.453467]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  414.457969]  ? lock_downgrade+0x900/0x900
[  414.462134]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  414.467254]  ? pvclock_read_flags+0x160/0x160
[  414.471760]  ? lapic_next_event+0x5a/0x90
[  414.475959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.481506]  ? kvm_clock_read+0x18/0x30
[  414.485489]  ? kvm_sched_clock_read+0x9/0x20
[  414.489909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.495467]  ? check_preemption_disabled+0x48/0x280
[  414.500499]  irq_exit+0x17f/0x1c0
[  414.503961]  smp_apic_timer_interrupt+0x1cb/0x760
[  414.508810]  ? smp_reschedule_interrupt+0x109/0x650
[  414.513833]  ? smp_call_function_single_interrupt+0x650/0x650
[  414.519720]  ? interrupt_entry+0xb5/0xc0
[  414.523793]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.528813]  ? trace_hardirqs_off_caller+0xbb/0x310
[  414.533837]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.538684]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.543705]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.548743]  ? task_prio+0x50/0x50
[  414.552290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.557843]  ? check_preemption_disabled+0x48/0x280
[  414.562874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.567731]  apic_timer_interrupt+0xf/0x20
[  414.571961]  </IRQ>
[  414.574203] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  414.579150] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  414.598067] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  414.605791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  414.613071] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  414.620348] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  414.627632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  414.634909] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  414.642237]  skb_clone+0x1bb/0x500
[  414.645799]  ? finish_task_switch+0x2f4/0x910
[  414.650314]  ? skb_split+0x11e0/0x11e0
[  414.654223]  ? preempt_notifier_register+0x200/0x200
[  414.659334]  ? __switch_to_asm+0x34/0x70
[  414.663400]  ? __switch_to_asm+0x34/0x70
[  414.667468]  ? __switch_to_asm+0x40/0x70
[  414.671531]  ? __switch_to_asm+0x34/0x70
[  414.675593]  ? __switch_to_asm+0x40/0x70
[  414.679665]  ? __switch_to_asm+0x34/0x70
[  414.683728]  ? __switch_to_asm+0x40/0x70
[  414.687788]  ? __switch_to_asm+0x34/0x70
[  414.691856]  ? __switch_to_asm+0x34/0x70
[  414.695916]  ? __switch_to_asm+0x40/0x70
[  414.699980]  ? __switch_to_asm+0x34/0x70
[  414.704074]  bpf_clone_redirect+0xb9/0x490
[  414.708346]  ? __schedule+0x8d7/0x21d0
[  414.712244]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  414.717268]  ? __sched_text_start+0x8/0x8
[  414.721431]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  414.726206]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  414.730797]  ? retint_kernel+0x2d/0x2d
[  414.734695]  ? find_held_lock+0x36/0x1c0
[  414.738767]  ? lock_acquire+0x1ed/0x520
[  414.742747]  ? bpf_test_run+0x3cb/0x780
[  414.746728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.752272]  ? check_preemption_disabled+0x48/0x280
[  414.757319]  ? kasan_check_read+0x11/0x20
[  414.761474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  414.766768]  ? rcu_softirq_qs+0x20/0x20
[  414.770749]  ? preempt_schedule+0x4d/0x60
[  414.774947]  ? ___preempt_schedule+0x16/0x18
[  414.779383]  ? bpf_test_run+0x25d/0x780
[  414.783377]  ? netlink_diag_dump+0x2a0/0x2a0
[  414.787801]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.793350]  ? bpf_test_init.isra.10+0x70/0x100
[  414.798030]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  414.802799]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.807647]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.813188]  ? fput+0x130/0x1a0
[  414.816477]  ? __bpf_prog_get+0x9b/0x290
[  414.820546]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  414.825390]  ? bpf_prog_test_run+0x130/0x1a0
[  414.829820]  ? __x64_sys_bpf+0x3d8/0x520
[  414.833883]  ? bpf_prog_get+0x20/0x20
[  414.837707]  ? do_syscall_64+0x1b9/0x820
[  414.841771]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.847145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.852078]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.856945]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.861973]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  414.866994]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.872026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.876894]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.882296] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  414.882500] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  414.889251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.899729] syz-executor1 cpuset=syz1 mems_allowed=0
[  414.909083] Call Trace:
[  414.916748]  <IRQ>
[  414.918920]  dump_stack+0x244/0x39d
[  414.922557]  ? dump_stack_print_info.cold.1+0x20/0x20
[  414.927767]  warn_alloc.cold.116+0xb7/0x1bd
[  414.932094]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.936951]  ? lock_downgrade+0x900/0x900
[  414.941112]  ? trace_hardirqs_off+0xb8/0x310
[  414.945551]  ? trace_hardirqs_off+0xb8/0x310
[  414.949978]  __alloc_pages_slowpath+0x26e8/0x2e10
[  414.954855]  ? warn_alloc+0x120/0x120
[  414.958662]  ? warn_alloc+0x120/0x120
[  414.962504]  ? warn_alloc+0x120/0x120
[  414.966339]  ? print_usage_bug+0xc0/0xc0
[  414.970403]  ? mark_held_locks+0x130/0x130
[  414.974653]  ? print_usage_bug+0xc0/0xc0
[  414.978726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.984267]  ? should_fail+0x22d/0xd01
[  414.988156]  ? mark_held_locks+0x130/0x130
[  414.992400]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.997511]  ? __lock_acquire+0x62f/0x4c20
[  415.001752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.006861]  ? should_fail+0x22d/0xd01
[  415.010766]  ? mark_held_locks+0x130/0x130
[  415.015006]  ? mark_held_locks+0x130/0x130
[  415.019246]  ? print_usage_bug+0xc0/0xc0
[  415.023324]  ? find_held_lock+0x36/0x1c0
[  415.027396]  ? zap_class+0x640/0x640
[  415.031119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.036661]  ? check_preemption_disabled+0x48/0x280
[  415.041710]  ? __lock_is_held+0xb5/0x140
[  415.045783]  __alloc_pages_nodemask+0xa80/0xde0
[  415.050466]  ? zap_class+0x640/0x640
[  415.054191]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.059223]  ? find_held_lock+0x36/0x1c0
[  415.063299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.067981]  ? lock_downgrade+0x900/0x900
[  415.072140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.077724]  cache_grow_begin+0xa5/0x8c0
[  415.081805]  ? do_raw_spin_unlock+0xa7/0x330
[  415.086224]  fallback_alloc+0x204/0x2e0
[  415.090206]  ____cache_alloc_node+0x1c7/0x1e0
[  415.094712]  kmem_cache_alloc_node+0xe3/0x730
[  415.099210]  ? mark_held_locks+0xc7/0x130
[  415.103373]  __alloc_skb+0x119/0x770
[  415.107107]  ? netdev_alloc_frag+0x1f0/0x1f0
[  415.111527]  ? do_raw_spin_trylock+0x270/0x270
[  415.116125]  ? kmem_cache_alloc_trace+0x353/0x750
[  415.120976]  ? queue_work_on+0x12c/0x1e0
[  415.125052]  ? switchdev_port_obj_del+0xdc/0x440
[  415.129815]  ? switchdev_trans_item_enqueue+0x260/0x260
[  415.135186]  ? mod_timer+0x631/0x1560
[  415.138987]  ? wake_up_klogd+0x180/0x180
[  415.143056]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  415.148084]  __br_mdb_notify+0x4ff/0x15d0
[  415.152261]  ? __br_mdb_add+0x7f0/0x7f0
[  415.156254]  ? zap_class+0x640/0x640
[  415.159987]  ? br_multicast_group_expired+0x96/0x610
[  415.165105]  br_mdb_notify+0x310/0x410
[  415.169000]  ? br_mdb_dump+0x27b0/0x27b0
[  415.173072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.178621]  br_multicast_group_expired+0x1bc/0x610
[  415.183643]  ? br_mdb_free+0x80/0x80
[  415.187377]  call_timer_fn+0x272/0x920
[  415.191269]  ? br_mdb_free+0x80/0x80
[  415.194986]  ? process_timeout+0x40/0x40
[  415.199061]  ? mark_held_locks+0xc7/0x130
[  415.203212]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.207711]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.212210]  ? br_mdb_free+0x80/0x80
[  415.215933]  ? lockdep_hardirqs_on+0x296/0x5b0
[  415.220525]  ? trace_hardirqs_on+0xbd/0x310
[  415.224851]  ? kasan_check_read+0x11/0x20
[  415.229002]  ? __run_timers+0x7da/0xc70
[  415.232989]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.238101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.242352]  ? br_mdb_free+0x80/0x80
[  415.246066]  __run_timers+0x7e5/0xc70
[  415.249883]  ? timer_fixup_init+0x70/0x70
[  415.254044]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.259068]  ? zap_class+0x640/0x640
[  415.262789]  ? print_usage_bug+0xc0/0xc0
[  415.266857]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.272066]  ? find_held_lock+0x36/0x1c0
[  415.276140]  ? zap_class+0x640/0x640
[  415.279893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.285444]  ? check_preemption_disabled+0x48/0x280
[  415.290476]  ? __lock_is_held+0xb5/0x140
[  415.294548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.300095]  ? check_preemption_disabled+0x48/0x280
[  415.305120]  run_timer_softirq+0x52/0xb0
[  415.309187]  ? rcu_read_lock_sched_held+0x14f/0x180
[  415.314209]  __do_softirq+0x308/0xb7e
[  415.318017]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  415.322516]  ? lock_downgrade+0x900/0x900
[  415.326672]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  415.332260]  ? pvclock_read_flags+0x160/0x160
[  415.336763]  ? lapic_next_event+0x5a/0x90
[  415.340927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.346473]  ? kvm_clock_read+0x18/0x30
[  415.350467]  ? kvm_sched_clock_read+0x9/0x20
[  415.354881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.360429]  ? check_preemption_disabled+0x48/0x280
[  415.365461]  irq_exit+0x17f/0x1c0
[  415.368928]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.373773]  ? smp_reschedule_interrupt+0x109/0x650
[  415.378822]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.384724]  ? interrupt_entry+0xb5/0xc0
[  415.388795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.393812]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.398832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.403683]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.408703]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.413727]  ? task_prio+0x50/0x50
[  415.417271]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.422818]  ? check_preemption_disabled+0x48/0x280
[  415.427843]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.432698]  apic_timer_interrupt+0xf/0x20
[  415.436933]  </IRQ>
[  415.439172] RIP: 0010:console_unlock+0x102f/0x1190
[  415.444118] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  415.463025] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  415.470865] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  415.478133] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  415.485413] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  415.492691] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  415.499961] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  415.507247]  ? netconsole_netdev_event+0x280/0x280
[  415.512186]  ? console_unlock+0x1026/0x1190
[  415.516537]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  415.521205]  ? vprintk_emit+0x846/0x990
[  415.525185]  ? lock_release+0xa00/0xa00
[  415.529162]  ? trace_hardirqs_on+0x60/0x310
[  415.533485]  ? vprintk_default+0x28/0x30
[  415.537553]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.542662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.548209]  vprintk_emit+0x391/0x990
[  415.552021]  ? wake_up_klogd+0x180/0x180
[  415.556093]  ? find_held_lock+0x1/0x1c0
[  415.560078]  ? mark_held_locks+0xc7/0x130
[  415.564233]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.568729]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.573246]  vprintk_default+0x28/0x30
[  415.577151]  vprintk_func+0x7e/0x181
[  415.580865]  printk+0xa7/0xcf
[  415.583980]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  415.588743]  ? _raw_spin_unlock_irq+0x60/0x80
[  415.593254]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  415.598540]  dump_header+0x7cc/0xf72
[  415.602266]  ? pagefault_out_of_memory+0x197/0x197
[  415.607205]  ? __lock_acquire+0x62f/0x4c20
[  415.611457]  ? percpu_ref_get_many+0x240/0x240
[  415.616044]  ? print_usage_bug+0xc0/0xc0
[  415.620117]  ? zap_class+0x640/0x640
[  415.623851]  ? print_usage_bug+0xc0/0xc0
[  415.627924]  ? zap_class+0x640/0x640
[  415.631646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.637191]  ? find_held_lock+0x36/0x1c0
[  415.641262]  ? mark_held_locks+0xc7/0x130
[  415.645419]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.650525]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  415.655637]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  415.660225]  ? trace_hardirqs_on+0xbd/0x310
[  415.664554]  ? kasan_check_read+0x11/0x20
[  415.668717]  ? ___ratelimit+0x3b4/0x672
[  415.672701]  ? trace_hardirqs_off_caller+0x310/0x310
[  415.677847]  ? trace_hardirqs_on+0x310/0x310
[  415.682260]  ? lock_downgrade+0x900/0x900
[  415.686421]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  415.691526]  ? ___ratelimit+0x3b9/0x672
[  415.695531]  ? idr_get_free+0xf70/0xf70
[  415.699509]  ? find_held_lock+0x36/0x1c0
[  415.703583]  oom_kill_process.cold.27+0x10/0x903
[  415.708344]  ? zap_class+0x640/0x640
[  415.712068]  ? check_preemption_disabled+0x48/0x280
[  415.717092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.722037]  ? kasan_check_read+0x11/0x20
[  415.726186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.731471]  ? oom_evaluate_task+0x540/0x540
[  415.735889]  ? find_held_lock+0x36/0x1c0
[  415.739965]  ? out_of_memory+0x974/0x1430
[  415.744136]  ? lock_downgrade+0x900/0x900
[  415.748290]  ? check_preemption_disabled+0x48/0x280
[  415.753325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.758258]  ? kasan_check_read+0x11/0x20
[  415.762418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.767697]  ? rcu_softirq_qs+0x20/0x20
[  415.771680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.777227]  ? oom_evaluate_task+0x302/0x540
[  415.781672]  out_of_memory+0xa84/0x1430
[  415.785660]  ? oom_killer_disable+0x3a0/0x3a0
[  415.790158]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  415.795098]  ? __ww_mutex_check_waiters+0x160/0x160
[  415.800128]  __alloc_pages_slowpath+0x2354/0x2e10
[  415.805005]  ? warn_alloc+0x120/0x120
[  415.808827]  ? mark_held_locks+0x130/0x130
[  415.813070]  ? find_get_entry+0xaae/0x1120
[  415.817324]  ? filemap_map_pages+0x1a20/0x1a20
[  415.821926]  ? zap_class+0x640/0x640
[  415.825662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.831206]  ? check_preemption_disabled+0x48/0x280
[  415.836225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.841765]  ? should_fail+0x22d/0xd01
[  415.845662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  415.850773]  ? zap_class+0x640/0x640
[  415.854530]  ? __lock_is_held+0xb5/0x140
[  415.858600]  ? mark_held_locks+0x130/0x130
[  415.862853]  ? lock_release+0xa00/0xa00
[  415.866835]  ? perf_trace_sched_process_exec+0x860/0x860
[  415.872290]  ? xa_load+0x2ba/0x460
[  415.875857]  ? lock_downgrade+0x900/0x900
[  415.880011]  ? __might_sleep+0x95/0x190
[  415.883994]  __alloc_pages_nodemask+0xa80/0xde0
[  415.888675]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  415.893698]  ? __page_cache_alloc+0x191/0x5c0
[  415.898199]  ? xa_load+0x2e1/0x460
[  415.901745]  ? xa_clear_mark+0x40/0x40
[  415.905632]  ? zap_class+0x640/0x640
[  415.909383]  ? zap_class+0x640/0x640
[  415.913114]  ? zap_class+0x640/0x640
[  415.916828]  ? zap_class+0x640/0x640
[  415.920546]  ? __do_page_cache_readahead+0x663/0x810
[  415.925656]  ? find_held_lock+0x36/0x1c0
[  415.929727]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  415.935283]  alloc_pages_current+0x173/0x350
[  415.939712]  __page_cache_alloc+0x38c/0x5c0
[  415.944036]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  415.948970]  ? kasan_check_read+0x11/0x20
[  415.953118]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  415.958418]  ? generic_perform_write+0x6a0/0x6a0
[  415.963181]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.968724]  ? check_preemption_disabled+0x48/0x280
[  415.973764]  filemap_fault+0x1595/0x25f0
[  415.977845]  ? __lock_page_or_retry+0xa00/0xa00
[  415.982515]  ? mark_held_locks+0x130/0x130
[  415.986766]  ? filemap_map_pages+0xd6b/0x1a20
[  415.991265]  ? lock_downgrade+0x900/0x900
[  415.995428]  ? check_preemption_disabled+0x48/0x280
[  416.000453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.005387]  ? kasan_check_read+0x11/0x20
[  416.009539]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.014817]  ? rcu_softirq_qs+0x20/0x20
[  416.018806]  ? filemap_map_pages+0xd92/0x1a20
[  416.023316]  ? queue_work_on+0x12c/0x1e0
[  416.027388]  ? find_get_entries_tag+0x1400/0x1400
[  416.032238]  ? debug_object_destroy+0x2b0/0x2b0
[  416.036916]  ? lock_pi_update_atomic+0x150/0x150
[  416.041680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.047233]  ? lock_acquire+0x1ed/0x520
[  416.051211]  ? ext4_filemap_fault+0x7a/0xad
[  416.055544]  ? lock_release+0xa00/0xa00
[  416.059520]  ? perf_trace_sched_process_exec+0x860/0x860
[  416.064978]  ? print_usage_bug+0xc0/0xc0
[  416.069042]  ? print_usage_bug+0xc0/0xc0
[  416.073123]  ? down_read+0x8d/0x120
[  416.076774]  ? ext4_filemap_fault+0x7a/0xad
[  416.081115]  ? __down_interruptible+0x700/0x700
[  416.085798]  ext4_filemap_fault+0x82/0xad
[  416.089956]  __do_fault+0x100/0x6b0
[  416.093601]  ? find_held_lock+0x36/0x1c0
[  416.097671]  ? pmd_devmap_trans_unstable+0x220/0x220
[  416.102782]  ? mark_held_locks+0x130/0x130
[  416.107020]  ? mark_held_locks+0x130/0x130
[  416.111254]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.115750]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.120248]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  416.124841]  ? kasan_check_read+0x11/0x20
[  416.129003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.134548]  __handle_mm_fault+0x3ea0/0x5be0
[  416.138972]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  416.143824]  ? finish_task_switch+0x1f4/0x910
[  416.148328]  ? finish_task_switch+0x1b4/0x910
[  416.152827]  ? __switch_to_asm+0x34/0x70
[  416.156894]  ? preempt_notifier_register+0x200/0x200
[  416.162000]  ? __switch_to_asm+0x34/0x70
[  416.166064]  ? __switch_to_asm+0x34/0x70
[  416.170145]  ? zap_class+0x640/0x640
[  416.173859]  ? zap_class+0x640/0x640
[  416.177578]  ? __x64_sys_futex+0x53e/0x6a0
[  416.181834]  ? find_held_lock+0x36/0x1c0
[  416.185922]  ? handle_mm_fault+0x42a/0xc70
[  416.190165]  ? lock_downgrade+0x900/0x900
[  416.194343]  ? check_preemption_disabled+0x48/0x280
[  416.199514]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  416.204452]  ? kasan_check_read+0x11/0x20
[  416.208605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  416.213886]  ? rcu_softirq_qs+0x20/0x20
[  416.217873]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.222983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.228526]  ? check_preemption_disabled+0x48/0x280
[  416.233553]  handle_mm_fault+0x54f/0xc70
[  416.237624]  ? __handle_mm_fault+0x5be0/0x5be0
[  416.242239]  ? find_vma+0x34/0x190
[  416.245791]  __do_page_fault+0x5e8/0xe60
[  416.249855]  ? trace_hardirqs_off+0xb8/0x310
[  416.254280]  do_page_fault+0xf2/0x7e0
[  416.258092]  ? vmalloc_sync_all+0x30/0x30
[  416.262245]  ? error_entry+0x70/0xd0
[  416.265972]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.270989]  ? trace_hardirqs_on_caller+0xc0/0x310
[  416.275927]  ? syscall_return_slowpath+0x5e0/0x5e0
[  416.280859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.285707]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.290726]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.296187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  416.301203]  ? page_fault+0x8/0x30
[  416.304759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.309611]  ? page_fault+0x8/0x30
[  416.313156]  page_fault+0x1e/0x30
[  416.316609] RIP: 0033:0x45ddf3
[  416.319821] Code: Bad RIP value.
[  416.323182] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  416.328547] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  416.335816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  416.343082] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  416.350369] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  416.357636] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  416.364940] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  416.364961] warn_alloc_show_mem: 1 callbacks suppressed
[  416.364966] Mem-Info:
[  416.372228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  416.377600] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  416.377600]  active_file:15 inactive_file:15 isolated_file:0
[  416.377600]  unevictable:0 dirty:0 writeback:0 unstable:0
[  416.377600]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  416.377600]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  416.377600]  free:13750 free_pcp:296 free_cma:0
[  416.379972] Call Trace:
[  416.389370] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  416.422393]  <IRQ>
[  416.424979] 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
[  416.452480]  dump_stack+0x244/0x39d
[  416.454604] lowmem_reserve[]: 0 2818 6321 6321
[  416.480721]  ? dump_stack_print_info.cold.1+0x20/0x20
[  416.484331] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  416.488920]  warn_alloc.cold.116+0xb7/0x1bd
[  416.494078] lowmem_reserve[]: 0 0 3503 3503
[  416.521576]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  416.525870] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  416.530190]  ? lock_downgrade+0x900/0x900
[  416.535006] lowmem_reserve[]: 0 0 0 0
[  416.563998]  ? trace_hardirqs_off+0xb8/0x310
[  416.568130] 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
[  416.571944]  ? trace_hardirqs_off+0xb8/0x310
[  416.576335] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  416.589860]  __alloc_pages_slowpath+0x26e8/0x2e10
[  416.594240] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  416.609784]  ? warn_alloc+0x120/0x120
[  416.614586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  416.628712]  ? warn_alloc+0x120/0x120
[  416.632499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  416.641335]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.645114] 2335 total pagecache pages
[  416.653686]  ? warn_alloc+0x120/0x120
[  416.658688] 0 pages in swap cache
[  416.662567]  ? print_usage_bug+0xc0/0xc0
[  416.666350] Swap cache stats: add 0, delete 0, find 0/0
[  416.669797]  ? print_usage_bug+0xc0/0xc0
[  416.673833] Free swap  = 0kB
[  416.679190]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.683225] Total swap = 0kB
[  416.686243]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.691403] 1965979 pages RAM
[  416.694427]  ? should_fail+0x22d/0xd01
[  416.699940] 0 pages HighMem/MovableOnly
[  416.703039]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.706900] 342853 pages reserved
[  416.710867]  ? __lock_acquire+0x62f/0x4c20
[  416.715944] 0 pages cma reserved
[  416.719395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.732082]  ? should_fail+0x22d/0xd01
[  416.735985]  ? mark_held_locks+0x130/0x130
[  416.740228]  ? mark_held_locks+0x130/0x130
[  416.744462]  ? print_usage_bug+0xc0/0xc0
[  416.748530]  ? find_held_lock+0x36/0x1c0
[  416.752606]  ? zap_class+0x640/0x640
[  416.756343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.761885]  ? check_preemption_disabled+0x48/0x280
[  416.766916]  ? __lock_is_held+0xb5/0x140
[  416.770986]  __alloc_pages_nodemask+0xa80/0xde0
[  416.775698]  ? zap_class+0x640/0x640
[  416.779431]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  416.784462]  ? find_held_lock+0x36/0x1c0
[  416.788538]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.793224]  ? lock_downgrade+0x900/0x900
[  416.797384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.802931]  cache_grow_begin+0xa5/0x8c0
[  416.807000]  ? do_raw_spin_unlock+0xa7/0x330
[  416.811423]  fallback_alloc+0x204/0x2e0
[  416.815417]  ____cache_alloc_node+0x1c7/0x1e0
[  416.819920]  kmem_cache_alloc_node+0xe3/0x730
[  416.824423]  ? mark_held_locks+0xc7/0x130
[  416.828590]  __alloc_skb+0x119/0x770
[  416.832318]  ? netdev_alloc_frag+0x1f0/0x1f0
[  416.836730]  ? do_raw_spin_trylock+0x270/0x270
[  416.841324]  ? kmem_cache_alloc_trace+0x353/0x750
[  416.846176]  ? queue_work_on+0x12c/0x1e0
[  416.850251]  ? switchdev_port_obj_del+0xdc/0x440
[  416.855015]  ? switchdev_trans_item_enqueue+0x260/0x260
[  416.860388]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.865425]  __br_mdb_notify+0x4ff/0x15d0
[  416.869575]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  416.874690]  ? __br_mdb_add+0x7f0/0x7f0
[  416.878675]  ? mark_held_locks+0x130/0x130
[  416.882917]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  416.888031]  ? debug_object_assert_init+0x368/0x4b0
[  416.893051]  ? debug_object_init_on_stack+0x20/0x20
[  416.898071]  ? zap_class+0x640/0x640
[  416.901790]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.907344]  br_mdb_notify+0x310/0x410
[  416.911239]  ? br_mdb_dump+0x27b0/0x27b0
[  416.915332]  br_multicast_del_pg+0x3df/0x790
[  416.919754]  ? br_mdb_ip_get+0x940/0x940
[  416.923818]  ? rwlock_bug.part.2+0x90/0x90
[  416.928064]  ? __lock_is_held+0xb5/0x140
[  416.932136]  br_multicast_port_group_expired+0x189/0x1e0
[  416.937590]  call_timer_fn+0x272/0x920
[  416.941482]  ? br_multicast_del_pg+0x790/0x790
[  416.946068]  ? process_timeout+0x40/0x40
[  416.950141]  ? __run_timers+0x7da/0xc70
[  416.954119]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.958614]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.963114]  ? br_multicast_del_pg+0x790/0x790
[  416.967703]  ? lockdep_hardirqs_on+0x296/0x5b0
[  416.972299]  ? trace_hardirqs_on+0xbd/0x310
[  416.976633]  ? kasan_check_read+0x11/0x20
[  416.980784]  ? __run_timers+0x7da/0xc70
[  416.984761]  ? trace_hardirqs_off_caller+0x310/0x310
[  416.989890]  ? br_multicast_del_pg+0x790/0x790
[  416.994482]  ? br_multicast_del_pg+0x790/0x790
[  416.999066]  __run_timers+0x7e5/0xc70
[  417.002877]  ? timer_fixup_init+0x70/0x70
[  417.007031]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.012052]  ? zap_class+0x640/0x640
[  417.015771]  ? enqueue_hrtimer+0x1a5/0x560
[  417.020008]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.025211]  ? find_held_lock+0x36/0x1c0
[  417.029283]  ? zap_class+0x640/0x640
[  417.033011]  ? pvclock_read_flags+0x160/0x160
[  417.037514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.043056]  ? check_preemption_disabled+0x48/0x280
[  417.048083]  ? __lock_is_held+0xb5/0x140
[  417.052151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.057694]  ? check_preemption_disabled+0x48/0x280
[  417.062718]  run_timer_softirq+0x52/0xb0
[  417.066786]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.071805]  __do_softirq+0x308/0xb7e
[  417.075653]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.080151]  ? lock_downgrade+0x900/0x900
[  417.084305]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  417.089434]  ? pvclock_read_flags+0x160/0x160
[  417.093938]  ? lapic_next_event+0x5a/0x90
[  417.098093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.103638]  ? kvm_clock_read+0x18/0x30
[  417.107614]  ? kvm_sched_clock_read+0x9/0x20
[  417.112027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.117569]  ? check_preemption_disabled+0x48/0x280
[  417.122599]  irq_exit+0x17f/0x1c0
[  417.126080]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.131010]  ? smp_reschedule_interrupt+0x109/0x650
[  417.136029]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.141913]  ? interrupt_entry+0xb5/0xc0
[  417.145985]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.151007]  ? trace_hardirqs_off_caller+0xbb/0x310
[  417.156028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.160874]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.165888]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.170907]  ? task_prio+0x50/0x50
[  417.174453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.179996]  ? check_preemption_disabled+0x48/0x280
[  417.185022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.189876]  apic_timer_interrupt+0xf/0x20
[  417.194106]  </IRQ>
[  417.196353] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  417.201289] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  417.220201] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  417.227914] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  417.235185] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  417.242460] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  417.249734] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  417.257000] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  417.264325]  skb_clone+0x1bb/0x500
[  417.267872]  ? finish_task_switch+0x2f4/0x910
[  417.272374]  ? skb_split+0x11e0/0x11e0
[  417.276282]  ? preempt_notifier_register+0x200/0x200
[  417.281407]  ? __switch_to_asm+0x34/0x70
[  417.285477]  ? __switch_to_asm+0x34/0x70
[  417.289538]  ? __switch_to_asm+0x40/0x70
[  417.293610]  ? __switch_to_asm+0x34/0x70
[  417.297670]  ? __switch_to_asm+0x40/0x70
[  417.301744]  ? __switch_to_asm+0x34/0x70
[  417.305807]  ? __switch_to_asm+0x40/0x70
[  417.309869]  ? __switch_to_asm+0x34/0x70
[  417.313929]  ? __switch_to_asm+0x34/0x70
[  417.317988]  ? __switch_to_asm+0x40/0x70
[  417.322047]  ? __switch_to_asm+0x34/0x70
[  417.326121]  bpf_clone_redirect+0xb9/0x490
[  417.330525]  ? __schedule+0x8d7/0x21d0
[  417.334424]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  417.339447]  ? __sched_text_start+0x8/0x8
[  417.343606]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  417.348373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  417.352964]  ? retint_kernel+0x2d/0x2d
[  417.356859]  ? find_held_lock+0x36/0x1c0
[  417.360929]  ? lock_acquire+0x1ed/0x520
[  417.364919]  ? bpf_test_run+0x3cb/0x780
[  417.368897]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.374447]  ? check_preemption_disabled+0x48/0x280
[  417.379475]  ? kasan_check_read+0x11/0x20
[  417.383641]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  417.388923]  ? rcu_softirq_qs+0x20/0x20
[  417.392907]  ? preempt_schedule+0x4d/0x60
[  417.397059]  ? ___preempt_schedule+0x16/0x18
[  417.401478]  ? bpf_test_run+0x25d/0x780
[  417.405481]  ? netlink_diag_dump+0x2a0/0x2a0
[  417.409896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.415441]  ? bpf_test_init.isra.10+0x70/0x100
[  417.420124]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  417.424896]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.429746]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  417.435301]  ? fput+0x130/0x1a0
[  417.438597]  ? __bpf_prog_get+0x9b/0x290
[  417.442665]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  417.447508]  ? bpf_prog_test_run+0x130/0x1a0
[  417.451922]  ? __x64_sys_bpf+0x3d8/0x520
[  417.455985]  ? bpf_prog_get+0x20/0x20
[  417.459809]  ? do_syscall_64+0x1b9/0x820
[  417.463870]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.469240]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.474183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.479033]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.484055]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  417.489077]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.494116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.498974]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.504522] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.504577] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.515013] syz-executor1 cpuset=syz1 mems_allowed=0
[  417.525253] syz-fuzzer cpuset=/ mems_allowed=0
[  417.530358] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  417.542178] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.551532] Call Trace:
[  417.554112]  <IRQ>
[  417.556301]  dump_stack+0x244/0x39d
[  417.559954]  ? dump_stack_print_info.cold.1+0x20/0x20
[  417.565161]  warn_alloc.cold.116+0xb7/0x1bd
[  417.569492]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.574354]  ? lock_downgrade+0x900/0x900
[  417.578518]  ? trace_hardirqs_off+0xb8/0x310
[  417.582937]  ? trace_hardirqs_off+0xb8/0x310
[  417.587360]  __alloc_pages_slowpath+0x26e8/0x2e10
[  417.592233]  ? warn_alloc+0x120/0x120
[  417.596041]  ? warn_alloc+0x120/0x120
[  417.599850]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.604871]  ? warn_alloc+0x120/0x120
[  417.608678]  ? print_usage_bug+0xc0/0xc0
[  417.612746]  ? print_usage_bug+0xc0/0xc0
[  417.616807]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.622009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.627551]  ? should_fail+0x22d/0xd01
[  417.631452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.636570]  ? __lock_acquire+0x62f/0x4c20
[  417.640809]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.645942]  ? should_fail+0x22d/0xd01
[  417.649844]  ? mark_held_locks+0x130/0x130
[  417.654088]  ? mark_held_locks+0x130/0x130
[  417.658339]  ? print_usage_bug+0xc0/0xc0
[  417.662413]  ? find_held_lock+0x36/0x1c0
[  417.666490]  ? zap_class+0x640/0x640
[  417.670213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.675771]  ? check_preemption_disabled+0x48/0x280
[  417.680814]  ? __lock_is_held+0xb5/0x140
[  417.684886]  __alloc_pages_nodemask+0xa80/0xde0
[  417.689562]  ? zap_class+0x640/0x640
[  417.693302]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  417.698354]  ? find_held_lock+0x36/0x1c0
[  417.702457]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.707130]  ? lock_downgrade+0x900/0x900
[  417.711290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.716846]  cache_grow_begin+0xa5/0x8c0
[  417.720926]  ? do_raw_spin_unlock+0xa7/0x330
[  417.725350]  fallback_alloc+0x204/0x2e0
[  417.729339]  ____cache_alloc_node+0x1c7/0x1e0
[  417.733845]  kmem_cache_alloc_node+0xe3/0x730
[  417.738350]  ? mark_held_locks+0xc7/0x130
[  417.742512]  __alloc_skb+0x119/0x770
[  417.746238]  ? netdev_alloc_frag+0x1f0/0x1f0
[  417.750646]  ? do_raw_spin_trylock+0x270/0x270
[  417.755231]  ? kmem_cache_alloc_trace+0x353/0x750
[  417.760079]  ? queue_work_on+0x12c/0x1e0
[  417.764165]  ? switchdev_port_obj_del+0xdc/0x440
[  417.768935]  ? switchdev_trans_item_enqueue+0x260/0x260
[  417.774316]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  417.779348]  __br_mdb_notify+0x4ff/0x15d0
[  417.783499]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  417.788613]  ? __br_mdb_add+0x7f0/0x7f0
[  417.792602]  ? mark_held_locks+0x130/0x130
[  417.796845]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  417.801968]  ? debug_object_assert_init+0x368/0x4b0
[  417.806996]  ? debug_object_init_on_stack+0x20/0x20
[  417.812013]  ? zap_class+0x640/0x640
[  417.815734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.821280]  br_mdb_notify+0x310/0x410
[  417.825181]  ? br_mdb_dump+0x27b0/0x27b0
[  417.829269]  br_multicast_del_pg+0x3df/0x790
[  417.833705]  ? br_mdb_ip_get+0x940/0x940
[  417.837774]  ? rwlock_bug.part.2+0x90/0x90
[  417.842018]  ? __lock_is_held+0xb5/0x140
[  417.846106]  br_multicast_port_group_expired+0x189/0x1e0
[  417.851565]  call_timer_fn+0x272/0x920
[  417.855461]  ? br_multicast_del_pg+0x790/0x790
[  417.860055]  ? process_timeout+0x40/0x40
[  417.864124]  ? __run_timers+0x7da/0xc70
[  417.868103]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.872597]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.877109]  ? br_multicast_del_pg+0x790/0x790
[  417.881695]  ? lockdep_hardirqs_on+0x296/0x5b0
[  417.886282]  ? trace_hardirqs_on+0xbd/0x310
[  417.890617]  ? kasan_check_read+0x11/0x20
[  417.894769]  ? __run_timers+0x7da/0xc70
[  417.898748]  ? trace_hardirqs_off_caller+0x310/0x310
[  417.903871]  ? br_multicast_del_pg+0x790/0x790
[  417.908462]  ? br_multicast_del_pg+0x790/0x790
[  417.913048]  __run_timers+0x7e5/0xc70
[  417.916861]  ? timer_fixup_init+0x70/0x70
[  417.921014]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.926037]  ? zap_class+0x640/0x640
[  417.929761]  ? enqueue_hrtimer+0x1a5/0x560
[  417.934001]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.939205]  ? find_held_lock+0x36/0x1c0
[  417.943280]  ? zap_class+0x640/0x640
[  417.947008]  ? pvclock_read_flags+0x160/0x160
[  417.951513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.957055]  ? check_preemption_disabled+0x48/0x280
[  417.962087]  ? __lock_is_held+0xb5/0x140
[  417.966157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.971700]  ? check_preemption_disabled+0x48/0x280
[  417.976748]  run_timer_softirq+0x52/0xb0
[  417.980813]  ? rcu_read_lock_sched_held+0x14f/0x180
[  417.985834]  __do_softirq+0x308/0xb7e
[  417.989642]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  417.994142]  ? lock_downgrade+0x900/0x900
[  417.998300]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  418.003433]  ? pvclock_read_flags+0x160/0x160
[  418.007935]  ? lapic_next_event+0x5a/0x90
[  418.012093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.017640]  ? kvm_clock_read+0x18/0x30
[  418.021616]  ? kvm_sched_clock_read+0x9/0x20
[  418.026048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.031592]  ? check_preemption_disabled+0x48/0x280
[  418.036620]  irq_exit+0x17f/0x1c0
[  418.040081]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.044926]  ? smp_reschedule_interrupt+0x109/0x650
[  418.049949]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.055837]  ? interrupt_entry+0xb5/0xc0
[  418.059906]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.064922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.069945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.074805]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.079826]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.084847]  ? task_prio+0x50/0x50
[  418.088392]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.093953]  ? check_preemption_disabled+0x48/0x280
[  418.099004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.103863]  apic_timer_interrupt+0xf/0x20
[  418.108093]  </IRQ>
[  418.110343] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.115279] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  418.134192] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.141911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.149185] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  418.156460] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  418.163751] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.171023] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  418.178351]  skb_clone+0x1bb/0x500
[  418.181899]  ? finish_task_switch+0x2f4/0x910
[  418.186403]  ? skb_split+0x11e0/0x11e0
[  418.190301]  ? preempt_notifier_register+0x200/0x200
[  418.195422]  ? __switch_to_asm+0x34/0x70
[  418.199856]  ? __switch_to_asm+0x34/0x70
[  418.203921]  ? __switch_to_asm+0x40/0x70
[  418.207982]  ? __switch_to_asm+0x34/0x70
[  418.212044]  ? __switch_to_asm+0x40/0x70
[  418.216104]  ? __switch_to_asm+0x34/0x70
[  418.220162]  ? __switch_to_asm+0x40/0x70
[  418.224222]  ? __switch_to_asm+0x34/0x70
[  418.228289]  ? __switch_to_asm+0x34/0x70
[  418.232360]  ? __switch_to_asm+0x40/0x70
[  418.236428]  ? __switch_to_asm+0x34/0x70
[  418.240502]  bpf_clone_redirect+0xb9/0x490
[  418.244748]  ? __schedule+0x8d7/0x21d0
[  418.248643]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  418.253663]  ? __sched_text_start+0x8/0x8
[  418.257818]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  418.262582]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  418.267165]  ? retint_kernel+0x2d/0x2d
[  418.271059]  ? find_held_lock+0x36/0x1c0
[  418.275131]  ? lock_acquire+0x1ed/0x520
[  418.279132]  ? bpf_test_run+0x3cb/0x780
[  418.283115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.288658]  ? check_preemption_disabled+0x48/0x280
[  418.293688]  ? kasan_check_read+0x11/0x20
[  418.297837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  418.303115]  ? rcu_softirq_qs+0x20/0x20
[  418.307095]  ? preempt_schedule+0x4d/0x60
[  418.311247]  ? ___preempt_schedule+0x16/0x18
[  418.315668]  ? bpf_test_run+0x25d/0x780
[  418.319661]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.324080]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.329622]  ? bpf_test_init.isra.10+0x70/0x100
[  418.334300]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  418.339082]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.343928]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.349479]  ? fput+0x130/0x1a0
[  418.352764]  ? __bpf_prog_get+0x9b/0x290
[  418.356832]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  418.361712]  ? bpf_prog_test_run+0x130/0x1a0
[  418.366134]  ? __x64_sys_bpf+0x3d8/0x520
[  418.370197]  ? bpf_prog_get+0x20/0x20
[  418.374025]  ? do_syscall_64+0x1b9/0x820
[  418.378085]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.383466]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.388398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.393253]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.398272]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.403292]  ? prepare_exit_to_usermode+0x291/0x3b0
[  418.408335]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.413189]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.418574] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  418.418597] warn_alloc_show_mem: 1 callbacks suppressed
[  418.418603] Mem-Info:
[  418.425518] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.430908] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  418.430908]  active_file:15 inactive_file:15 isolated_file:0
[  418.430908]  unevictable:0 dirty:0 writeback:0 unstable:0
[  418.430908]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  418.430908]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  418.430908]  free:13750 free_pcp:296 free_cma:0
[  418.433278] Call Trace:
[  418.442668] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  418.475690]  <IRQ>
[  418.478282] 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
[  418.505823]  dump_stack+0x244/0x39d
[  418.507943] lowmem_reserve[]: 0 2818 6321 6321
[  418.534074]  ? dump_stack_print_info.cold.1+0x20/0x20
[  418.537677] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  418.542264]  warn_alloc.cold.116+0xb7/0x1bd
[  418.547418] lowmem_reserve[]: 0 0 3503 3503
[  418.575098]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.579398] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:472kB free_cma:0kB
[  418.583720]  ? lock_downgrade+0x900/0x900
[  418.588532] lowmem_reserve[]: 0 0 0 0
[  418.617522]  ? trace_hardirqs_off+0xb8/0x310
[  418.621645] 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
[  418.625441]  ? trace_hardirqs_off+0xb8/0x310
[  418.629826] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  418.643358]  __alloc_pages_slowpath+0x26e8/0x2e10
[  418.647738] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  418.663277]  ? warn_alloc+0x120/0x120
[  418.668078] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  418.682198]  ? warn_alloc+0x120/0x120
[  418.685982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  418.694810]  ? warn_alloc+0x120/0x120
[  418.698586] 2335 total pagecache pages
[  418.707164]  ? print_usage_bug+0xc0/0xc0
[  418.710940] 0 pages in swap cache
[  418.714815]  ? print_usage_bug+0xc0/0xc0
[  418.718853] Swap cache stats: add 0, delete 0, find 0/0
[  418.722298]  ? clockevents_program_event+0x158/0x370
[  418.726343] Free swap  = 0kB
[  418.731717]  ? lock_downgrade+0x900/0x900
[  418.736793] Total swap = 0kB
[  418.739812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.743930] 1965979 pages RAM
[  418.746964]  ? should_fail+0x22d/0xd01
[  418.752475] 0 pages HighMem/MovableOnly
[  418.755583]  ? pvclock_read_flags+0x160/0x160
[  418.759442] 342853 pages reserved
[  418.763412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.767886] 0 pages cma reserved
[  418.771354]  ? __lock_acquire+0x62f/0x4c20
[  418.776755] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.779827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.784038] syz-executor1 cpuset=syz1 mems_allowed=0
[  418.794520]  ? should_fail+0x22d/0xd01
[  418.808584]  ? mark_held_locks+0x130/0x130
[  418.812830]  ? mark_held_locks+0x130/0x130
[  418.817082]  ? print_usage_bug+0xc0/0xc0
[  418.821150]  ? find_held_lock+0x36/0x1c0
[  418.825217]  ? zap_class+0x640/0x640
[  418.828948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.834495]  ? check_preemption_disabled+0x48/0x280
[  418.839524]  ? __lock_is_held+0xb5/0x140
[  418.843596]  __alloc_pages_nodemask+0xa80/0xde0
[  418.848268]  ? zap_class+0x640/0x640
[  418.851994]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  418.857025]  ? find_held_lock+0x36/0x1c0
[  418.861099]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.865791]  ? lock_downgrade+0x900/0x900
[  418.869953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.875541]  cache_grow_begin+0xa5/0x8c0
[  418.879609]  ? do_raw_spin_unlock+0xa7/0x330
[  418.884032]  fallback_alloc+0x204/0x2e0
[  418.888021]  ____cache_alloc_node+0x1c7/0x1e0
[  418.892528]  kmem_cache_alloc_node+0xe3/0x730
[  418.897027]  ? mark_held_locks+0xc7/0x130
[  418.901190]  __alloc_skb+0x119/0x770
[  418.904917]  ? netdev_alloc_frag+0x1f0/0x1f0
[  418.909336]  ? do_raw_spin_trylock+0x270/0x270
[  418.913926]  ? kmem_cache_alloc_trace+0x353/0x750
[  418.918777]  ? queue_work_on+0x12c/0x1e0
[  418.922850]  ? switchdev_port_obj_del+0xdc/0x440
[  418.927611]  ? switchdev_trans_item_enqueue+0x260/0x260
[  418.932987]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  418.938027]  __br_mdb_notify+0x4ff/0x15d0
[  418.942192]  ? __br_mdb_add+0x7f0/0x7f0
[  418.946186]  ? zap_class+0x640/0x640
[  418.949917]  ? br_multicast_group_expired+0x96/0x610
[  418.955022]  ? lock_downgrade+0x900/0x900
[  418.959188]  br_mdb_notify+0x310/0x410
[  418.963077]  ? br_mdb_dump+0x27b0/0x27b0
[  418.967148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.972696]  br_multicast_group_expired+0x1bc/0x610
[  418.977716]  ? br_mdb_free+0x80/0x80
[  418.981458]  call_timer_fn+0x272/0x920
[  418.985349]  ? br_mdb_free+0x80/0x80
[  418.989067]  ? process_timeout+0x40/0x40
[  418.993140]  ? mark_held_locks+0xc7/0x130
[  418.997292]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.001794]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.006294]  ? br_mdb_free+0x80/0x80
[  419.010017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  419.014621]  ? trace_hardirqs_on+0xbd/0x310
[  419.018948]  ? kasan_check_read+0x11/0x20
[  419.023096]  ? __run_timers+0x7da/0xc70
[  419.027075]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.032189]  ? br_mdb_free+0x80/0x80
[  419.035918]  ? br_mdb_free+0x80/0x80
[  419.039634]  __run_timers+0x7e5/0xc70
[  419.043448]  ? timer_fixup_init+0x70/0x70
[  419.047605]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.052630]  ? zap_class+0x640/0x640
[  419.056354]  ? print_usage_bug+0xc0/0xc0
[  419.060421]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  419.065648]  ? find_held_lock+0x36/0x1c0
[  419.069718]  ? zap_class+0x640/0x640
[  419.073451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.078996]  ? check_preemption_disabled+0x48/0x280
[  419.084029]  ? __lock_is_held+0xb5/0x140
[  419.088093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.093642]  ? check_preemption_disabled+0x48/0x280
[  419.098690]  run_timer_softirq+0x52/0xb0
[  419.102766]  ? rcu_read_lock_sched_held+0x14f/0x180
[  419.107788]  __do_softirq+0x308/0xb7e
[  419.111596]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  419.116099]  ? lock_downgrade+0x900/0x900
[  419.120254]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  419.125371]  ? pvclock_read_flags+0x160/0x160
[  419.129873]  ? lapic_next_event+0x5a/0x90
[  419.134032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.139589]  ? kvm_clock_read+0x18/0x30
[  419.143566]  ? kvm_sched_clock_read+0x9/0x20
[  419.147981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.153530]  ? check_preemption_disabled+0x48/0x280
[  419.158560]  irq_exit+0x17f/0x1c0
[  419.162022]  smp_apic_timer_interrupt+0x1cb/0x760
[  419.166865]  ? smp_reschedule_interrupt+0x109/0x650
[  419.171888]  ? smp_call_function_single_interrupt+0x650/0x650
[  419.177777]  ? interrupt_entry+0xb5/0xc0
[  419.181843]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.186859]  ? trace_hardirqs_off_caller+0xbb/0x310
[  419.191883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.196748]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.201769]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.206787]  ? task_prio+0x50/0x50
[  419.210341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.215884]  ? check_preemption_disabled+0x48/0x280
[  419.220920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.225781]  apic_timer_interrupt+0xf/0x20
[  419.230014]  </IRQ>
[  419.232256] RIP: 0010:console_unlock+0x102f/0x1190
[  419.237192] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  419.256096] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  419.263809] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  419.271081] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  419.278352] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  419.285620] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  419.292890] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  419.300181]  ? netconsole_netdev_event+0x280/0x280
[  419.305126]  ? console_unlock+0x1026/0x1190
[  419.309471]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  419.314143]  ? vprintk_emit+0x846/0x990
[  419.318123]  ? lock_release+0xa00/0xa00
[  419.322102]  ? trace_hardirqs_on+0x60/0x310
[  419.326426]  ? vprintk_default+0x28/0x30
[  419.331016]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.336128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.341673]  vprintk_emit+0x391/0x990
[  419.345482]  ? wake_up_klogd+0x180/0x180
[  419.349557]  ? find_held_lock+0x1/0x1c0
[  419.353545]  ? mark_held_locks+0xc7/0x130
[  419.357700]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.362200]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.366710]  vprintk_default+0x28/0x30
[  419.370621]  vprintk_func+0x7e/0x181
[  419.374353]  printk+0xa7/0xcf
[  419.377476]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  419.382234]  ? _raw_spin_unlock_irq+0x60/0x80
[  419.386752]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  419.392040]  dump_header+0x7cc/0xf72
[  419.395768]  ? pagefault_out_of_memory+0x197/0x197
[  419.400723]  ? __lock_acquire+0x62f/0x4c20
[  419.404979]  ? percpu_ref_get_many+0x240/0x240
[  419.409571]  ? print_usage_bug+0xc0/0xc0
[  419.413654]  ? zap_class+0x640/0x640
[  419.417375]  ? print_usage_bug+0xc0/0xc0
[  419.421443]  ? zap_class+0x640/0x640
[  419.425164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.430711]  ? find_held_lock+0x36/0x1c0
[  419.434783]  ? mark_held_locks+0xc7/0x130
[  419.438943]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.444049]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  419.449163]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.453770]  ? trace_hardirqs_on+0xbd/0x310
[  419.458105]  ? kasan_check_read+0x11/0x20
[  419.462255]  ? ___ratelimit+0x3b4/0x672
[  419.466236]  ? trace_hardirqs_off_caller+0x310/0x310
[  419.471353]  ? trace_hardirqs_on+0x310/0x310
[  419.475763]  ? lock_downgrade+0x900/0x900
[  419.479922]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  419.485029]  ? ___ratelimit+0x3b9/0x672
[  419.489013]  ? idr_get_free+0xf70/0xf70
[  419.492991]  ? find_held_lock+0x36/0x1c0
[  419.497070]  oom_kill_process.cold.27+0x10/0x903
[  419.501832]  ? zap_class+0x640/0x640
[  419.505566]  ? check_preemption_disabled+0x48/0x280
[  419.510593]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.515526]  ? kasan_check_read+0x11/0x20
[  419.519693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.524980]  ? oom_evaluate_task+0x540/0x540
[  419.529396]  ? find_held_lock+0x36/0x1c0
[  419.533469]  ? out_of_memory+0x974/0x1430
[  419.537631]  ? lock_downgrade+0x900/0x900
[  419.541787]  ? check_preemption_disabled+0x48/0x280
[  419.546811]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.551749]  ? kasan_check_read+0x11/0x20
[  419.555896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.561194]  ? rcu_softirq_qs+0x20/0x20
[  419.565185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.570727]  ? oom_evaluate_task+0x302/0x540
[  419.575144]  out_of_memory+0xa84/0x1430
[  419.579134]  ? oom_killer_disable+0x3a0/0x3a0
[  419.583632]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  419.588582]  ? __ww_mutex_check_waiters+0x160/0x160
[  419.593615]  __alloc_pages_slowpath+0x2354/0x2e10
[  419.598495]  ? warn_alloc+0x120/0x120
[  419.602302]  ? mark_held_locks+0x130/0x130
[  419.606559]  ? find_get_entry+0xaae/0x1120
[  419.610807]  ? filemap_map_pages+0x1a20/0x1a20
[  419.615401]  ? zap_class+0x640/0x640
[  419.619128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.624677]  ? check_preemption_disabled+0x48/0x280
[  419.629697]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.635239]  ? should_fail+0x22d/0xd01
[  419.639133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.644243]  ? zap_class+0x640/0x640
[  419.647987]  ? __lock_is_held+0xb5/0x140
[  419.652060]  ? mark_held_locks+0x130/0x130
[  419.656299]  ? lock_release+0xa00/0xa00
[  419.660292]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.665756]  ? xa_load+0x2ba/0x460
[  419.669304]  ? lock_downgrade+0x900/0x900
[  419.673487]  ? __might_sleep+0x95/0x190
[  419.677498]  __alloc_pages_nodemask+0xa80/0xde0
[  419.682180]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  419.687205]  ? __page_cache_alloc+0x191/0x5c0
[  419.691701]  ? xa_load+0x2e1/0x460
[  419.695246]  ? xa_clear_mark+0x40/0x40
[  419.699150]  ? zap_class+0x640/0x640
[  419.702871]  ? zap_class+0x640/0x640
[  419.706599]  ? zap_class+0x640/0x640
[  419.710336]  ? zap_class+0x640/0x640
[  419.714065]  ? __do_page_cache_readahead+0x663/0x810
[  419.719178]  ? find_held_lock+0x36/0x1c0
[  419.723249]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  419.728799]  alloc_pages_current+0x173/0x350
[  419.733217]  __page_cache_alloc+0x38c/0x5c0
[  419.737540]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.742477]  ? kasan_check_read+0x11/0x20
[  419.746626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.751908]  ? generic_perform_write+0x6a0/0x6a0
[  419.756676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.762220]  ? check_preemption_disabled+0x48/0x280
[  419.767248]  filemap_fault+0x1595/0x25f0
[  419.771348]  ? __lock_page_or_retry+0xa00/0xa00
[  419.776028]  ? mark_held_locks+0x130/0x130
[  419.780278]  ? filemap_map_pages+0xd6b/0x1a20
[  419.784787]  ? lock_downgrade+0x900/0x900
[  419.788941]  ? check_preemption_disabled+0x48/0x280
[  419.793977]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.798924]  ? kasan_check_read+0x11/0x20
[  419.803074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  419.808367]  ? rcu_softirq_qs+0x20/0x20
[  419.812376]  ? filemap_map_pages+0xd92/0x1a20
[  419.816881]  ? queue_work_on+0x12c/0x1e0
[  419.820956]  ? find_get_entries_tag+0x1400/0x1400
[  419.825808]  ? debug_object_destroy+0x2b0/0x2b0
[  419.830486]  ? lock_pi_update_atomic+0x150/0x150
[  419.835252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.840806]  ? lock_acquire+0x1ed/0x520
[  419.844788]  ? ext4_filemap_fault+0x7a/0xad
[  419.849118]  ? lock_release+0xa00/0xa00
[  419.853098]  ? perf_trace_sched_process_exec+0x860/0x860
[  419.858553]  ? print_usage_bug+0xc0/0xc0
[  419.862627]  ? print_usage_bug+0xc0/0xc0
[  419.866705]  ? down_read+0x8d/0x120
[  419.870344]  ? ext4_filemap_fault+0x7a/0xad
[  419.874668]  ? __down_interruptible+0x700/0x700
[  419.879352]  ext4_filemap_fault+0x82/0xad
[  419.883509]  __do_fault+0x100/0x6b0
[  419.887142]  ? find_held_lock+0x36/0x1c0
[  419.891212]  ? pmd_devmap_trans_unstable+0x220/0x220
[  419.896329]  ? mark_held_locks+0x130/0x130
[  419.900569]  ? mark_held_locks+0x130/0x130
[  419.904807]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.909315]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.913816]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  419.918412]  ? kasan_check_read+0x11/0x20
[  419.922570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.928117]  __handle_mm_fault+0x3ea0/0x5be0
[  419.932538]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  419.937388]  ? finish_task_switch+0x1f4/0x910
[  419.941885]  ? finish_task_switch+0x1b4/0x910
[  419.946386]  ? __switch_to_asm+0x34/0x70
[  419.950457]  ? preempt_notifier_register+0x200/0x200
[  419.955562]  ? __switch_to_asm+0x34/0x70
[  419.959624]  ? __switch_to_asm+0x34/0x70
[  419.963719]  ? zap_class+0x640/0x640
[  419.967435]  ? zap_class+0x640/0x640
[  419.971150]  ? __x64_sys_futex+0x53e/0x6a0
[  419.975391]  ? find_held_lock+0x36/0x1c0
[  419.979470]  ? handle_mm_fault+0x42a/0xc70
[  419.983709]  ? lock_downgrade+0x900/0x900
[  419.987860]  ? check_preemption_disabled+0x48/0x280
[  419.992882]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  419.997821]  ? kasan_check_read+0x11/0x20
[  420.001975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  420.007257]  ? rcu_softirq_qs+0x20/0x20
[  420.011234]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.016350]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.021900]  ? check_preemption_disabled+0x48/0x280
[  420.026940]  handle_mm_fault+0x54f/0xc70
[  420.031008]  ? __handle_mm_fault+0x5be0/0x5be0
[  420.035602]  ? find_vma+0x34/0x190
[  420.039151]  __do_page_fault+0x5e8/0xe60
[  420.043214]  ? trace_hardirqs_off+0xb8/0x310
[  420.047661]  do_page_fault+0xf2/0x7e0
[  420.051467]  ? vmalloc_sync_all+0x30/0x30
[  420.055622]  ? error_entry+0x70/0xd0
[  420.059361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.064379]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.069322]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.074257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.079105]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.084126]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.089584]  ? prepare_exit_to_usermode+0x291/0x3b0
[  420.094608]  ? page_fault+0x8/0x30
[  420.098152]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.102999]  ? page_fault+0x8/0x30
[  420.106544]  page_fault+0x1e/0x30
[  420.110001] RIP: 0033:0x45ddf3
[  420.113212] Code: Bad RIP value.
[  420.116578] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  420.121938] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  420.129216] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  420.136485] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  420.143752] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  420.151032] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  420.158350] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  420.158352] Mem-Info:
[  420.158385] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  420.158385]  active_file:15 inactive_file:15 isolated_file:0
[  420.158385]  unevictable:0 dirty:0 writeback:0 unstable:0
[  420.158385]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  420.158385]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  420.158385]  free:13750 free_pcp:296 free_cma:0
[  420.165637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.168083] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  420.201509] Call Trace:
[  420.210867] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  420.238370]  <IRQ>
[  420.240943] lowmem_reserve[]: 0 2818 6321 6321
[  420.267063]  dump_stack+0x244/0x39d
[  420.269186] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  420.273797]  ? dump_stack_print_info.cold.1+0x20/0x20
[  420.277403] lowmem_reserve[]: 0 0 3503 3503
[  420.304937]  warn_alloc.cold.116+0xb7/0x1bd
[  420.310096] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  420.314434]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  420.318722] lowmem_reserve[]: 0 0 0 0
[  420.347721]  ? lock_downgrade+0x900/0x900
[  420.352541] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  420.356350]  ? trace_hardirqs_off+0xb8/0x310
[  420.360466] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  420.374005]  ? trace_hardirqs_off+0xb8/0x310
[  420.378386] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  420.394002]  __alloc_pages_slowpath+0x26e8/0x2e10
[  420.398389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.412542]  ? warn_alloc+0x120/0x120
[  420.417344] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.426186]  ? warn_alloc+0x120/0x120
[  420.429956] 2335 total pagecache pages
[  420.438534]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.442324] 0 pages in swap cache
[  420.446201]  ? warn_alloc+0x120/0x120
[  420.451186] Swap cache stats: add 0, delete 0, find 0/0
[  420.451195] Free swap  = 0kB
[  420.454651]  ? print_usage_bug+0xc0/0xc0
[  420.458426] Total swap = 0kB
[  420.463784]  ? print_usage_bug+0xc0/0xc0
[  420.466781] 1965979 pages RAM
[  420.470836]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.473838] 0 pages HighMem/MovableOnly
[  420.473847] 342853 pages reserved
[  420.477946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.481048] 0 pages cma reserved
[  420.486232]  ? should_fail+0x22d/0xd01
[  420.506395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.511517]  ? __lock_acquire+0x62f/0x4c20
[  420.515759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  420.520867]  ? should_fail+0x22d/0xd01
[  420.524768]  ? mark_held_locks+0x130/0x130
[  420.529011]  ? mark_held_locks+0x130/0x130
[  420.533247]  ? print_usage_bug+0xc0/0xc0
[  420.537322]  ? find_held_lock+0x36/0x1c0
[  420.541391]  ? zap_class+0x640/0x640
[  420.545119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.550664]  ? check_preemption_disabled+0x48/0x280
[  420.555692]  ? __lock_is_held+0xb5/0x140
[  420.559761]  __alloc_pages_nodemask+0xa80/0xde0
[  420.564437]  ? zap_class+0x640/0x640
[  420.568159]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  420.573188]  ? find_held_lock+0x36/0x1c0
[  420.577259]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.581947]  ? lock_downgrade+0x900/0x900
[  420.586105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.591652]  cache_grow_begin+0xa5/0x8c0
[  420.595719]  ? do_raw_spin_unlock+0xa7/0x330
[  420.600139]  fallback_alloc+0x204/0x2e0
[  420.604126]  ____cache_alloc_node+0x1c7/0x1e0
[  420.608628]  kmem_cache_alloc_node+0xe3/0x730
[  420.613125]  ? mark_held_locks+0xc7/0x130
[  420.617286]  __alloc_skb+0x119/0x770
[  420.621017]  ? netdev_alloc_frag+0x1f0/0x1f0
[  420.625434]  ? do_raw_spin_trylock+0x270/0x270
[  420.630034]  ? kmem_cache_alloc_trace+0x353/0x750
[  420.634884]  ? queue_work_on+0x12c/0x1e0
[  420.638961]  ? switchdev_port_obj_del+0xdc/0x440
[  420.643721]  ? switchdev_trans_item_enqueue+0x260/0x260
[  420.649098]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  420.654121]  __br_mdb_notify+0x4ff/0x15d0
[  420.658271]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  420.663389]  ? __br_mdb_add+0x7f0/0x7f0
[  420.667379]  ? mark_held_locks+0x130/0x130
[  420.671623]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  420.676730]  ? debug_object_assert_init+0x368/0x4b0
[  420.681765]  ? debug_object_init_on_stack+0x20/0x20
[  420.686801]  ? zap_class+0x640/0x640
[  420.690523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.696069]  br_mdb_notify+0x310/0x410
[  420.699978]  ? br_mdb_dump+0x27b0/0x27b0
[  420.704061]  br_multicast_del_pg+0x3df/0x790
[  420.708481]  ? br_mdb_ip_get+0x940/0x940
[  420.712545]  ? rwlock_bug.part.2+0x90/0x90
[  420.716788]  ? __lock_is_held+0xb5/0x140
[  420.720863]  br_multicast_port_group_expired+0x189/0x1e0
[  420.726329]  call_timer_fn+0x272/0x920
[  420.730224]  ? br_multicast_del_pg+0x790/0x790
[  420.734822]  ? process_timeout+0x40/0x40
[  420.738891]  ? __run_timers+0x7da/0xc70
[  420.742868]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.747365]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.751864]  ? br_multicast_del_pg+0x790/0x790
[  420.756455]  ? lockdep_hardirqs_on+0x296/0x5b0
[  420.761040]  ? trace_hardirqs_on+0xbd/0x310
[  420.765375]  ? kasan_check_read+0x11/0x20
[  420.769534]  ? __run_timers+0x7da/0xc70
[  420.773514]  ? trace_hardirqs_off_caller+0x310/0x310
[  420.778627]  ? br_multicast_del_pg+0x790/0x790
[  420.783219]  ? br_multicast_del_pg+0x790/0x790
[  420.787801]  __run_timers+0x7e5/0xc70
[  420.791613]  ? timer_fixup_init+0x70/0x70
[  420.795768]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.800790]  ? zap_class+0x640/0x640
[  420.804515]  ? enqueue_hrtimer+0x1a5/0x560
[  420.808754]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.813954]  ? find_held_lock+0x36/0x1c0
[  420.818021]  ? zap_class+0x640/0x640
[  420.821744]  ? pvclock_read_flags+0x160/0x160
[  420.826260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.831825]  ? check_preemption_disabled+0x48/0x280
[  420.836852]  ? __lock_is_held+0xb5/0x140
[  420.840921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.846467]  ? check_preemption_disabled+0x48/0x280
[  420.851490]  run_timer_softirq+0x52/0xb0
[  420.855559]  ? rcu_read_lock_sched_held+0x14f/0x180
[  420.860583]  __do_softirq+0x308/0xb7e
[  420.864395]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  420.868898]  ? lock_downgrade+0x900/0x900
[  420.873055]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  420.878168]  ? pvclock_read_flags+0x160/0x160
[  420.882666]  ? lapic_next_event+0x5a/0x90
[  420.886834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.892378]  ? kvm_clock_read+0x18/0x30
[  420.896359]  ? kvm_sched_clock_read+0x9/0x20
[  420.900771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.906332]  ? check_preemption_disabled+0x48/0x280
[  420.911362]  irq_exit+0x17f/0x1c0
[  420.914822]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.919669]  ? smp_reschedule_interrupt+0x109/0x650
[  420.924692]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.930579]  ? interrupt_entry+0xb5/0xc0
[  420.934659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.939676]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.944701]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.949545]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.954575]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.959593]  ? task_prio+0x50/0x50
[  420.963142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.968686]  ? check_preemption_disabled+0x48/0x280
[  420.973711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.978565]  apic_timer_interrupt+0xf/0x20
[  420.982797]  </IRQ>
[  420.985043] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.989975] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  421.008880] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.016590] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  421.023863] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  421.031130] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  421.038402] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  421.045674] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  421.052993]  skb_clone+0x1bb/0x500
[  421.056545]  ? finish_task_switch+0x2f4/0x910
[  421.061048]  ? skb_split+0x11e0/0x11e0
[  421.064945]  ? preempt_notifier_register+0x200/0x200
[  421.070051]  ? __switch_to_asm+0x34/0x70
[  421.074110]  ? __switch_to_asm+0x34/0x70
[  421.078200]  ? __switch_to_asm+0x40/0x70
[  421.082254]  ? __switch_to_asm+0x34/0x70
[  421.086322]  ? __switch_to_asm+0x40/0x70
[  421.090382]  ? __switch_to_asm+0x34/0x70
[  421.094447]  ? __switch_to_asm+0x40/0x70
[  421.098513]  ? __switch_to_asm+0x34/0x70
[  421.102578]  ? __switch_to_asm+0x34/0x70
[  421.106637]  ? __switch_to_asm+0x40/0x70
[  421.110701]  ? __switch_to_asm+0x34/0x70
[  421.114772]  bpf_clone_redirect+0xb9/0x490
[  421.119024]  ? __schedule+0x8d7/0x21d0
[  421.122919]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  421.127943]  ? __sched_text_start+0x8/0x8
[  421.132098]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  421.136861]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  421.141444]  ? retint_kernel+0x2d/0x2d
[  421.145352]  ? find_held_lock+0x36/0x1c0
[  421.149430]  ? lock_acquire+0x1ed/0x520
[  421.153428]  ? bpf_test_run+0x3cb/0x780
[  421.157428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.162971]  ? check_preemption_disabled+0x48/0x280
[  421.167997]  ? kasan_check_read+0x11/0x20
[  421.172147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  421.177435]  ? rcu_softirq_qs+0x20/0x20
[  421.181426]  ? preempt_schedule+0x4d/0x60
[  421.185579]  ? ___preempt_schedule+0x16/0x18
[  421.190013]  ? bpf_test_run+0x25d/0x780
[  421.194002]  ? netlink_diag_dump+0x2a0/0x2a0
[  421.198434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.203974]  ? bpf_test_init.isra.10+0x70/0x100
[  421.208662]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  421.213435]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.218285]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.223831]  ? fput+0x130/0x1a0
[  421.227117]  ? __bpf_prog_get+0x9b/0x290
[  421.231183]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  421.236025]  ? bpf_prog_test_run+0x130/0x1a0
[  421.240453]  ? __x64_sys_bpf+0x3d8/0x520
[  421.244517]  ? bpf_prog_get+0x20/0x20
[  421.248350]  ? do_syscall_64+0x1b9/0x820
[  421.252424]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  421.257792]  ? syscall_return_slowpath+0x5e0/0x5e0
[  421.262724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.267572]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.272591]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  421.277616]  ? prepare_exit_to_usermode+0x291/0x3b0
[  421.282635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.287489]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  421.293036] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.293098] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  421.303544] syz-executor1 cpuset=syz1 mems_allowed=0
[  421.313775] syz-fuzzer cpuset=/ mems_allowed=0
[  421.318870] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  421.330825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  421.340176] Call Trace:
[  421.342757]  <IRQ>
[  421.344918]  dump_stack+0x244/0x39d
[  421.348570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  421.353799]  warn_alloc.cold.116+0xb7/0x1bd
[  421.358126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.362981]  ? lock_downgrade+0x900/0x900
[  421.367139]  ? trace_hardirqs_off+0xb8/0x310
[  421.371559]  ? trace_hardirqs_off+0xb8/0x310
[  421.375975]  __alloc_pages_slowpath+0x26e8/0x2e10
[  421.380853]  ? warn_alloc+0x120/0x120
[  421.384669]  ? warn_alloc+0x120/0x120
[  421.388475]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.393495]  ? warn_alloc+0x120/0x120
[  421.397316]  ? print_usage_bug+0xc0/0xc0
[  421.401383]  ? print_usage_bug+0xc0/0xc0
[  421.405453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.410654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.416197]  ? should_fail+0x22d/0xd01
[  421.420096]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.425218]  ? __lock_acquire+0x62f/0x4c20
[  421.429460]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.434565]  ? should_fail+0x22d/0xd01
[  421.438468]  ? mark_held_locks+0x130/0x130
[  421.442712]  ? mark_held_locks+0x130/0x130
[  421.446952]  ? print_usage_bug+0xc0/0xc0
[  421.451020]  ? find_held_lock+0x36/0x1c0
[  421.455088]  ? zap_class+0x640/0x640
[  421.458811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.464352]  ? check_preemption_disabled+0x48/0x280
[  421.469384]  ? __lock_is_held+0xb5/0x140
[  421.473465]  __alloc_pages_nodemask+0xa80/0xde0
[  421.478132]  ? zap_class+0x640/0x640
[  421.481854]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  421.486893]  ? find_held_lock+0x36/0x1c0
[  421.490974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.495652]  ? lock_downgrade+0x900/0x900
[  421.499824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.505373]  cache_grow_begin+0xa5/0x8c0
[  421.509444]  ? do_raw_spin_unlock+0xa7/0x330
[  421.513863]  fallback_alloc+0x204/0x2e0
[  421.517844]  ____cache_alloc_node+0x1c7/0x1e0
[  421.522356]  kmem_cache_alloc_node+0xe3/0x730
[  421.526856]  ? mark_held_locks+0xc7/0x130
[  421.531017]  __alloc_skb+0x119/0x770
[  421.534743]  ? netdev_alloc_frag+0x1f0/0x1f0
[  421.539155]  ? do_raw_spin_trylock+0x270/0x270
[  421.543745]  ? kmem_cache_alloc_trace+0x353/0x750
[  421.548600]  ? queue_work_on+0x12c/0x1e0
[  421.552685]  ? switchdev_port_obj_del+0xdc/0x440
[  421.557448]  ? switchdev_trans_item_enqueue+0x260/0x260
[  421.562824]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.567862]  __br_mdb_notify+0x4ff/0x15d0
[  421.572013]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  421.577125]  ? __br_mdb_add+0x7f0/0x7f0
[  421.581103]  ? mark_held_locks+0x130/0x130
[  421.585354]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  421.590471]  ? debug_object_assert_init+0x368/0x4b0
[  421.595496]  ? debug_object_init_on_stack+0x20/0x20
[  421.600519]  ? zap_class+0x640/0x640
[  421.604238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.609784]  br_mdb_notify+0x310/0x410
[  421.613679]  ? br_mdb_dump+0x27b0/0x27b0
[  421.617759]  br_multicast_del_pg+0x3df/0x790
[  421.622182]  ? br_mdb_ip_get+0x940/0x940
[  421.626250]  ? rwlock_bug.part.2+0x90/0x90
[  421.630497]  ? __lock_is_held+0xb5/0x140
[  421.634585]  br_multicast_port_group_expired+0x189/0x1e0
[  421.640043]  call_timer_fn+0x272/0x920
[  421.643936]  ? br_multicast_del_pg+0x790/0x790
[  421.648523]  ? process_timeout+0x40/0x40
[  421.652596]  ? __run_timers+0x7da/0xc70
[  421.656578]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.661074]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.665572]  ? br_multicast_del_pg+0x790/0x790
[  421.670159]  ? lockdep_hardirqs_on+0x296/0x5b0
[  421.674744]  ? trace_hardirqs_on+0xbd/0x310
[  421.679072]  ? kasan_check_read+0x11/0x20
[  421.683228]  ? __run_timers+0x7da/0xc70
[  421.687207]  ? trace_hardirqs_off_caller+0x310/0x310
[  421.692325]  ? br_multicast_del_pg+0x790/0x790
[  421.696916]  ? br_multicast_del_pg+0x790/0x790
[  421.701505]  __run_timers+0x7e5/0xc70
[  421.705332]  ? timer_fixup_init+0x70/0x70
[  421.709493]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.714514]  ? zap_class+0x640/0x640
[  421.718239]  ? enqueue_hrtimer+0x1a5/0x560
[  421.722482]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.727682]  ? find_held_lock+0x36/0x1c0
[  421.731748]  ? zap_class+0x640/0x640
[  421.735469]  ? pvclock_read_flags+0x160/0x160
[  421.739973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.745518]  ? check_preemption_disabled+0x48/0x280
[  421.750552]  ? __lock_is_held+0xb5/0x140
[  421.754636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.760184]  ? check_preemption_disabled+0x48/0x280
[  421.765209]  run_timer_softirq+0x52/0xb0
[  421.769278]  ? rcu_read_lock_sched_held+0x14f/0x180
[  421.774306]  __do_softirq+0x308/0xb7e
[  421.778138]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  421.782635]  ? lock_downgrade+0x900/0x900
[  421.786790]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  421.791914]  ? pvclock_read_flags+0x160/0x160
[  421.796424]  ? lapic_next_event+0x5a/0x90
[  421.800578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.806124]  ? kvm_clock_read+0x18/0x30
[  421.810102]  ? kvm_sched_clock_read+0x9/0x20
[  421.814515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.820061]  ? check_preemption_disabled+0x48/0x280
[  421.825090]  irq_exit+0x17f/0x1c0
[  421.828576]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.833425]  ? smp_reschedule_interrupt+0x109/0x650
[  421.838449]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.844340]  ? interrupt_entry+0xb5/0xc0
[  421.848407]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.853439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.858460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.863306]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.868337]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.873376]  ? task_prio+0x50/0x50
[  421.876935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.882492]  ? check_preemption_disabled+0x48/0x280
[  421.887527]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.892397]  apic_timer_interrupt+0xf/0x20
[  421.896650]  </IRQ>
[  421.898891] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  421.903826] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  421.922728] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.930440] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  421.937708] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  421.944992] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  421.952262] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  421.959531] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  421.966853]  skb_clone+0x1bb/0x500
[  421.970402]  ? finish_task_switch+0x2f4/0x910
[  421.974919]  ? skb_split+0x11e0/0x11e0
[  421.978810]  ? preempt_notifier_register+0x200/0x200
[  421.983917]  ? __switch_to_asm+0x34/0x70
[  421.987995]  ? __switch_to_asm+0x34/0x70
[  421.992057]  ? __switch_to_asm+0x40/0x70
[  421.996117]  ? __switch_to_asm+0x34/0x70
[  422.000192]  ? __switch_to_asm+0x40/0x70
[  422.004252]  ? __switch_to_asm+0x34/0x70
[  422.008320]  ? __switch_to_asm+0x40/0x70
[  422.012383]  ? __switch_to_asm+0x34/0x70
[  422.016457]  ? __switch_to_asm+0x34/0x70
[  422.020518]  ? __switch_to_asm+0x40/0x70
[  422.024577]  ? __switch_to_asm+0x34/0x70
[  422.028648]  bpf_clone_redirect+0xb9/0x490
[  422.032889]  ? __schedule+0x8d7/0x21d0
[  422.036791]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  422.041815]  ? __sched_text_start+0x8/0x8
[  422.045968]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  422.050732]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  422.055322]  ? retint_kernel+0x2d/0x2d
[  422.059221]  ? find_held_lock+0x36/0x1c0
[  422.063294]  ? lock_acquire+0x1ed/0x520
[  422.067286]  ? bpf_test_run+0x3cb/0x780
[  422.071277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.076824]  ? check_preemption_disabled+0x48/0x280
[  422.081846]  ? kasan_check_read+0x11/0x20
[  422.085998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  422.091274]  ? rcu_softirq_qs+0x20/0x20
[  422.095264]  ? preempt_schedule+0x4d/0x60
[  422.099423]  ? ___preempt_schedule+0x16/0x18
[  422.103841]  ? bpf_test_run+0x25d/0x780
[  422.107832]  ? netlink_diag_dump+0x2a0/0x2a0
[  422.112250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.117791]  ? bpf_test_init.isra.10+0x70/0x100
[  422.122472]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  422.127239]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.132084]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  422.137622]  ? fput+0x130/0x1a0
[  422.140914]  ? __bpf_prog_get+0x9b/0x290
[  422.144993]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  422.149839]  ? bpf_prog_test_run+0x130/0x1a0
[  422.154256]  ? __x64_sys_bpf+0x3d8/0x520
[  422.158330]  ? bpf_prog_get+0x20/0x20
[  422.162156]  ? do_syscall_64+0x1b9/0x820
[  422.166220]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.171590]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.176553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.181440]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.186465]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  422.191500]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.196526]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.201782]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.207164] warn_alloc_show_mem: 1 callbacks suppressed
[  422.207177] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  422.207179] Mem-Info:
[  422.207213] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  422.207213]  active_file:15 inactive_file:15 isolated_file:0
[  422.207213]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.207213]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  422.207213]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  422.207213]  free:13750 free_pcp:296 free_cma:0
[  422.212545] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.212554] Call Trace:
[  422.219489] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.221890]  <IRQ>
[  422.255113] 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
[  422.264485]  dump_stack+0x244/0x39d
[  422.267036] lowmem_reserve[]: 0 2818 6321 6321
[  422.294561]  ? dump_stack_print_info.cold.1+0x20/0x20
[  422.296683] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  422.323062]  warn_alloc.cold.116+0xb7/0x1bd
[  422.326661] lowmem_reserve[]: 0 0 3503 3503
[  422.331255]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.336427] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:472kB free_cma:0kB
[  422.364114]  ? lock_downgrade+0x900/0x900
[  422.368415] lowmem_reserve[]: 0 0 0 0
[  422.372747]  ? trace_hardirqs_off+0xb8/0x310
[  422.377587] 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
[  422.406593]  ? trace_hardirqs_off+0xb8/0x310
[  422.410717] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  422.414524]  __alloc_pages_slowpath+0x26e8/0x2e10
[  422.418897] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  422.432451]  ? warn_alloc+0x120/0x120
[  422.436818] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.452352]  ? warn_alloc+0x120/0x120
[  422.457176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.471301]  ? warn_alloc+0x120/0x120
[  422.475080] 2335 total pagecache pages
[  422.483927]  ? print_usage_bug+0xc0/0xc0
[  422.487715] 0 pages in swap cache
[  422.496280]  ? print_usage_bug+0xc0/0xc0
[  422.500053] Swap cache stats: add 0, delete 0, find 0/0
[  422.500063] Free swap  = 0kB
[  422.503948]  ? clockevents_program_event+0x158/0x370
[  422.507981] Total swap = 0kB
[  422.511474]  ? lock_downgrade+0x900/0x900
[  422.515512] 1965979 pages RAM
[  422.520873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.523863] 0 pages HighMem/MovableOnly
[  422.528978]  ? should_fail+0x22d/0xd01
[  422.531969] 342853 pages reserved
[  422.536113]  ? pvclock_read_flags+0x160/0x160
[  422.539189] 0 pages cma reserved
[  422.544720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.548905] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.552554]  ? __lock_acquire+0x62f/0x4c20
[  422.555979] syz-executor1 cpuset=syz1 mems_allowed=0
[  422.560475]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.593800]  ? should_fail+0x22d/0xd01
[  422.597707]  ? mark_held_locks+0x130/0x130
[  422.601954]  ? mark_held_locks+0x130/0x130
[  422.606192]  ? print_usage_bug+0xc0/0xc0
[  422.610272]  ? find_held_lock+0x36/0x1c0
[  422.614345]  ? zap_class+0x640/0x640
[  422.618071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.623614]  ? check_preemption_disabled+0x48/0x280
[  422.628645]  ? __lock_is_held+0xb5/0x140
[  422.632733]  __alloc_pages_nodemask+0xa80/0xde0
[  422.637409]  ? zap_class+0x640/0x640
[  422.641168]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  422.646202]  ? find_held_lock+0x36/0x1c0
[  422.650279]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.654978]  ? lock_downgrade+0x900/0x900
[  422.659142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.664688]  cache_grow_begin+0xa5/0x8c0
[  422.668764]  ? do_raw_spin_unlock+0xa7/0x330
[  422.673185]  fallback_alloc+0x204/0x2e0
[  422.677178]  ____cache_alloc_node+0x1c7/0x1e0
[  422.681677]  kmem_cache_alloc_node+0xe3/0x730
[  422.686179]  ? mark_held_locks+0xc7/0x130
[  422.690351]  __alloc_skb+0x119/0x770
[  422.694077]  ? netdev_alloc_frag+0x1f0/0x1f0
[  422.698486]  ? do_raw_spin_trylock+0x270/0x270
[  422.703074]  ? kmem_cache_alloc_trace+0x353/0x750
[  422.707927]  ? queue_work_on+0x12c/0x1e0
[  422.712004]  ? switchdev_port_obj_del+0xdc/0x440
[  422.716768]  ? switchdev_trans_item_enqueue+0x260/0x260
[  422.722146]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  422.727174]  __br_mdb_notify+0x4ff/0x15d0
[  422.731362]  ? __br_mdb_add+0x7f0/0x7f0
[  422.735356]  ? zap_class+0x640/0x640
[  422.739084]  ? br_multicast_group_expired+0x96/0x610
[  422.744193]  ? lock_downgrade+0x900/0x900
[  422.748354]  br_mdb_notify+0x310/0x410
[  422.752249]  ? br_mdb_dump+0x27b0/0x27b0
[  422.756329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.761898]  br_multicast_group_expired+0x1bc/0x610
[  422.766929]  ? br_mdb_free+0x80/0x80
[  422.770658]  call_timer_fn+0x272/0x920
[  422.774548]  ? br_mdb_free+0x80/0x80
[  422.778277]  ? process_timeout+0x40/0x40
[  422.782395]  ? mark_held_locks+0xc7/0x130
[  422.786551]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.791046]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.795541]  ? br_mdb_free+0x80/0x80
[  422.799272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  422.803859]  ? trace_hardirqs_on+0xbd/0x310
[  422.808185]  ? kasan_check_read+0x11/0x20
[  422.812340]  ? __run_timers+0x7da/0xc70
[  422.816328]  ? trace_hardirqs_off_caller+0x310/0x310
[  422.821441]  ? br_mdb_free+0x80/0x80
[  422.825166]  ? br_mdb_free+0x80/0x80
[  422.828883]  __run_timers+0x7e5/0xc70
[  422.832727]  ? timer_fixup_init+0x70/0x70
[  422.836888]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.841918]  ? zap_class+0x640/0x640
[  422.845641]  ? print_usage_bug+0xc0/0xc0
[  422.849706]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.854907]  ? find_held_lock+0x36/0x1c0
[  422.859003]  ? zap_class+0x640/0x640
[  422.862731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.868278]  ? check_preemption_disabled+0x48/0x280
[  422.873325]  ? __lock_is_held+0xb5/0x140
[  422.877394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.882939]  ? check_preemption_disabled+0x48/0x280
[  422.887963]  run_timer_softirq+0x52/0xb0
[  422.892032]  ? rcu_read_lock_sched_held+0x14f/0x180
[  422.897057]  __do_softirq+0x308/0xb7e
[  422.900863]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  422.905369]  ? lock_downgrade+0x900/0x900
[  422.909538]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  422.914656]  ? pvclock_read_flags+0x160/0x160
[  422.919162]  ? lapic_next_event+0x5a/0x90
[  422.923326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.928876]  ? kvm_clock_read+0x18/0x30
[  422.932856]  ? kvm_sched_clock_read+0x9/0x20
[  422.937269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.942810]  ? check_preemption_disabled+0x48/0x280
[  422.947849]  irq_exit+0x17f/0x1c0
[  422.951326]  smp_apic_timer_interrupt+0x1cb/0x760
[  422.956172]  ? smp_reschedule_interrupt+0x109/0x650
[  422.961207]  ? smp_call_function_single_interrupt+0x650/0x650
[  422.967094]  ? interrupt_entry+0xb5/0xc0
[  422.971175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.976195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  422.981218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.986074]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.991095]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.996115]  ? task_prio+0x50/0x50
[  422.999665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.005206]  ? check_preemption_disabled+0x48/0x280
[  423.010232]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.015087]  apic_timer_interrupt+0xf/0x20
[  423.019325]  </IRQ>
[  423.021565] RIP: 0010:console_unlock+0x102f/0x1190
[  423.026500] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  423.045408] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  423.053120] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  423.060389] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  423.067659] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  423.074931] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  423.082200] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  423.089503]  ? netconsole_netdev_event+0x280/0x280
[  423.094453]  ? console_unlock+0x1026/0x1190
[  423.098802]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  423.103477]  ? vprintk_emit+0x846/0x990
[  423.107473]  ? lock_release+0xa00/0xa00
[  423.111453]  ? trace_hardirqs_on+0x60/0x310
[  423.115778]  ? vprintk_default+0x28/0x30
[  423.119846]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.124959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.130509]  vprintk_emit+0x391/0x990
[  423.134330]  ? wake_up_klogd+0x180/0x180
[  423.138407]  ? find_held_lock+0x1/0x1c0
[  423.142400]  ? mark_held_locks+0xc7/0x130
[  423.146555]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.151050]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.155564]  vprintk_default+0x28/0x30
[  423.159459]  vprintk_func+0x7e/0x181
[  423.163181]  printk+0xa7/0xcf
[  423.166293]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  423.171065]  ? _raw_spin_unlock_irq+0x60/0x80
[  423.175593]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  423.180896]  dump_header+0x7cc/0xf72
[  423.184632]  ? pagefault_out_of_memory+0x197/0x197
[  423.189575]  ? __lock_acquire+0x62f/0x4c20
[  423.193814]  ? percpu_ref_get_many+0x240/0x240
[  423.198405]  ? print_usage_bug+0xc0/0xc0
[  423.202475]  ? zap_class+0x640/0x640
[  423.206209]  ? print_usage_bug+0xc0/0xc0
[  423.210283]  ? zap_class+0x640/0x640
[  423.214017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.219565]  ? find_held_lock+0x36/0x1c0
[  423.223641]  ? mark_held_locks+0xc7/0x130
[  423.227794]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.232898]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  423.238010]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.242600]  ? trace_hardirqs_on+0xbd/0x310
[  423.246935]  ? kasan_check_read+0x11/0x20
[  423.251086]  ? ___ratelimit+0x3b4/0x672
[  423.255083]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.260192]  ? trace_hardirqs_on+0x310/0x310
[  423.264609]  ? lock_downgrade+0x900/0x900
[  423.268767]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  423.273896]  ? ___ratelimit+0x3b9/0x672
[  423.277891]  ? idr_get_free+0xf70/0xf70
[  423.281885]  ? find_held_lock+0x36/0x1c0
[  423.285974]  oom_kill_process.cold.27+0x10/0x903
[  423.290733]  ? zap_class+0x640/0x640
[  423.294465]  ? check_preemption_disabled+0x48/0x280
[  423.299487]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.304426]  ? kasan_check_read+0x11/0x20
[  423.308579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.313861]  ? oom_evaluate_task+0x540/0x540
[  423.318275]  ? find_held_lock+0x36/0x1c0
[  423.322360]  ? out_of_memory+0x974/0x1430
[  423.326542]  ? lock_downgrade+0x900/0x900
[  423.331205]  ? check_preemption_disabled+0x48/0x280
[  423.336234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.341168]  ? kasan_check_read+0x11/0x20
[  423.345325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.350607]  ? rcu_softirq_qs+0x20/0x20
[  423.354589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.360131]  ? oom_evaluate_task+0x302/0x540
[  423.364555]  out_of_memory+0xa84/0x1430
[  423.368553]  ? oom_killer_disable+0x3a0/0x3a0
[  423.373067]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  423.378029]  ? __ww_mutex_check_waiters+0x160/0x160
[  423.383056]  __alloc_pages_slowpath+0x2354/0x2e10
[  423.387939]  ? warn_alloc+0x120/0x120
[  423.391747]  ? mark_held_locks+0x130/0x130
[  423.395991]  ? find_get_entry+0xaae/0x1120
[  423.400238]  ? filemap_map_pages+0x1a20/0x1a20
[  423.404831]  ? zap_class+0x640/0x640
[  423.408554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.414097]  ? check_preemption_disabled+0x48/0x280
[  423.419131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.424688]  ? should_fail+0x22d/0xd01
[  423.428585]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.433694]  ? zap_class+0x640/0x640
[  423.437435]  ? __lock_is_held+0xb5/0x140
[  423.441529]  ? mark_held_locks+0x130/0x130
[  423.445773]  ? lock_release+0xa00/0xa00
[  423.449752]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.455209]  ? xa_load+0x2ba/0x460
[  423.458752]  ? lock_downgrade+0x900/0x900
[  423.462914]  ? __might_sleep+0x95/0x190
[  423.466902]  __alloc_pages_nodemask+0xa80/0xde0
[  423.471589]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  423.476622]  ? __page_cache_alloc+0x191/0x5c0
[  423.481124]  ? xa_load+0x2e1/0x460
[  423.484668]  ? xa_clear_mark+0x40/0x40
[  423.488555]  ? zap_class+0x640/0x640
[  423.492287]  ? zap_class+0x640/0x640
[  423.496025]  ? zap_class+0x640/0x640
[  423.499743]  ? zap_class+0x640/0x640
[  423.503464]  ? __do_page_cache_readahead+0x663/0x810
[  423.508573]  ? find_held_lock+0x36/0x1c0
[  423.512645]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  423.518207]  alloc_pages_current+0x173/0x350
[  423.522641]  __page_cache_alloc+0x38c/0x5c0
[  423.526966]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.531899]  ? kasan_check_read+0x11/0x20
[  423.536055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.541346]  ? generic_perform_write+0x6a0/0x6a0
[  423.546109]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.551657]  ? check_preemption_disabled+0x48/0x280
[  423.556687]  filemap_fault+0x1595/0x25f0
[  423.560765]  ? __lock_page_or_retry+0xa00/0xa00
[  423.565442]  ? mark_held_locks+0x130/0x130
[  423.569694]  ? filemap_map_pages+0xd6b/0x1a20
[  423.574197]  ? lock_downgrade+0x900/0x900
[  423.578364]  ? check_preemption_disabled+0x48/0x280
[  423.583387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.588339]  ? kasan_check_read+0x11/0x20
[  423.592500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.597800]  ? rcu_softirq_qs+0x20/0x20
[  423.601791]  ? filemap_map_pages+0xd92/0x1a20
[  423.606293]  ? queue_work_on+0x12c/0x1e0
[  423.610379]  ? find_get_entries_tag+0x1400/0x1400
[  423.615229]  ? debug_object_destroy+0x2b0/0x2b0
[  423.619905]  ? lock_pi_update_atomic+0x150/0x150
[  423.624672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.630226]  ? lock_acquire+0x1ed/0x520
[  423.634204]  ? ext4_filemap_fault+0x7a/0xad
[  423.638539]  ? lock_release+0xa00/0xa00
[  423.642516]  ? perf_trace_sched_process_exec+0x860/0x860
[  423.647971]  ? print_usage_bug+0xc0/0xc0
[  423.652037]  ? print_usage_bug+0xc0/0xc0
[  423.656115]  ? down_read+0x8d/0x120
[  423.659742]  ? ext4_filemap_fault+0x7a/0xad
[  423.664068]  ? __down_interruptible+0x700/0x700
[  423.668750]  ext4_filemap_fault+0x82/0xad
[  423.672908]  __do_fault+0x100/0x6b0
[  423.676556]  ? find_held_lock+0x36/0x1c0
[  423.680639]  ? pmd_devmap_trans_unstable+0x220/0x220
[  423.685753]  ? mark_held_locks+0x130/0x130
[  423.690004]  ? mark_held_locks+0x130/0x130
[  423.694240]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.698741]  ? _raw_spin_unlock_irq+0x27/0x80
[  423.703241]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  423.707832]  ? kasan_check_read+0x11/0x20
[  423.711985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.717536]  __handle_mm_fault+0x3ea0/0x5be0
[  423.721958]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  423.726806]  ? finish_task_switch+0x1f4/0x910
[  423.731317]  ? finish_task_switch+0x1b4/0x910
[  423.735830]  ? __switch_to_asm+0x34/0x70
[  423.739909]  ? preempt_notifier_register+0x200/0x200
[  423.745020]  ? __switch_to_asm+0x34/0x70
[  423.749081]  ? __switch_to_asm+0x34/0x70
[  423.753163]  ? zap_class+0x640/0x640
[  423.756881]  ? zap_class+0x640/0x640
[  423.760602]  ? __x64_sys_futex+0x53e/0x6a0
[  423.764844]  ? find_held_lock+0x36/0x1c0
[  423.768928]  ? handle_mm_fault+0x42a/0xc70
[  423.773172]  ? lock_downgrade+0x900/0x900
[  423.777333]  ? check_preemption_disabled+0x48/0x280
[  423.782354]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  423.787287]  ? kasan_check_read+0x11/0x20
[  423.791447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  423.796728]  ? rcu_softirq_qs+0x20/0x20
[  423.800706]  ? trace_hardirqs_off_caller+0x310/0x310
[  423.805815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.811362]  ? check_preemption_disabled+0x48/0x280
[  423.816390]  handle_mm_fault+0x54f/0xc70
[  423.820463]  ? __handle_mm_fault+0x5be0/0x5be0
[  423.825056]  ? find_vma+0x34/0x190
[  423.828609]  __do_page_fault+0x5e8/0xe60
[  423.832677]  ? trace_hardirqs_off+0xb8/0x310
[  423.837102]  do_page_fault+0xf2/0x7e0
[  423.840916]  ? vmalloc_sync_all+0x30/0x30
[  423.845066]  ? error_entry+0x70/0xd0
[  423.848785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.853805]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.858751]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.863687]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.868535]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.873559]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  423.879024]  ? prepare_exit_to_usermode+0x291/0x3b0
[  423.884046]  ? page_fault+0x8/0x30
[  423.887598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.892449]  ? page_fault+0x8/0x30
[  423.895993]  page_fault+0x1e/0x30
[  423.899451] RIP: 0033:0x45ddf3
[  423.902667] Code: Bad RIP value.
[  423.906030] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  423.911394] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  423.918678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  423.925950] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  423.933218] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  423.940486] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  423.947791] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  423.947793] Mem-Info:
[  423.947825] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  423.947825]  active_file:15 inactive_file:15 isolated_file:0
[  423.947825]  unevictable:0 dirty:0 writeback:0 unstable:0
[  423.947825]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  423.947825]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  423.947825]  free:13750 free_pcp:296 free_cma:0
[  423.955086] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.957529] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  423.990568] Call Trace:
[  423.999918] 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
[  424.027422]  <IRQ>
[  424.030000] lowmem_reserve[]: 0 2818 6321 6321
[  424.056136]  dump_stack+0x244/0x39d
[  424.058260] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  424.062841]  ? dump_stack_print_info.cold.1+0x20/0x20
[  424.066445] lowmem_reserve[]: 0 0 3503 3503
[  424.093969]  warn_alloc.cold.116+0xb7/0x1bd
[  424.099138] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  424.103462]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  424.107757] lowmem_reserve[]: 0 0 0 0
[  424.136757]  ? lock_downgrade+0x900/0x900
[  424.141580] 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
[  424.145386]  ? trace_hardirqs_off+0xb8/0x310
[  424.149514] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  424.163065]  ? trace_hardirqs_off+0xb8/0x310
[  424.167451] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  424.182987]  __alloc_pages_slowpath+0x26e8/0x2e10
[  424.187377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  424.201898]  ? warn_alloc+0x120/0x120
[  424.206718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  424.215565]  ? warn_alloc+0x120/0x120
[  424.219347] 2335 total pagecache pages
[  424.227941]  ? warn_alloc+0x120/0x120
[  424.231729] 0 pages in swap cache
[  424.235614]  ? print_usage_bug+0xc0/0xc0
[  424.239392] Swap cache stats: add 0, delete 0, find 0/0
[  424.242846]  ? print_usage_bug+0xc0/0xc0
[  424.246886] Free swap  = 0kB
[  424.252267]  ? mark_held_locks+0x130/0x130
[  424.256302] Total swap = 0kB
[  424.259353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.263561] 1965979 pages RAM
[  424.266585]  ? should_fail+0x22d/0xd01
[  424.272091] 0 pages HighMem/MovableOnly
[  424.272101] 342853 pages reserved
[  424.275210]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.279067] 0 pages cma reserved
[  424.283043]  ? __lock_acquire+0x62f/0x4c20
[  424.286663] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  424.291579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  424.294920] syz-fuzzer cpuset=/ mems_allowed=0
[  424.299156]  ? should_fail+0x22d/0xd01
[  424.322998]  ? mark_held_locks+0x130/0x130
[  424.327249]  ? mark_held_locks+0x130/0x130
[  424.331494]  ? print_usage_bug+0xc0/0xc0
[  424.335582]  ? find_held_lock+0x36/0x1c0
[  424.339660]  ? zap_class+0x640/0x640
[  424.343401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.348963]  ? check_preemption_disabled+0x48/0x280
[  424.354002]  ? __lock_is_held+0xb5/0x140
[  424.358084]  __alloc_pages_nodemask+0xa80/0xde0
[  424.362764]  ? zap_class+0x640/0x640
[  424.366491]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  424.371541]  ? find_held_lock+0x36/0x1c0
[  424.375661]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.380341]  ? lock_downgrade+0x900/0x900
[  424.384513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.390076]  cache_grow_begin+0xa5/0x8c0
[  424.394150]  ? do_raw_spin_unlock+0xa7/0x330
[  424.398574]  fallback_alloc+0x204/0x2e0
[  424.402563]  ____cache_alloc_node+0x1c7/0x1e0
[  424.407079]  kmem_cache_alloc_node+0xe3/0x730
[  424.411595]  ? mark_held_locks+0xc7/0x130
[  424.415768]  __alloc_skb+0x119/0x770
[  424.419535]  ? netdev_alloc_frag+0x1f0/0x1f0
[  424.423952]  ? do_raw_spin_trylock+0x270/0x270
[  424.428561]  ? kmem_cache_alloc_trace+0x353/0x750
[  424.433436]  ? queue_work_on+0x12c/0x1e0
[  424.437523]  ? switchdev_port_obj_del+0xdc/0x440
[  424.442295]  ? switchdev_trans_item_enqueue+0x260/0x260
[  424.447692]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.452749]  __br_mdb_notify+0x4ff/0x15d0
[  424.456909]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  424.462038]  ? __br_mdb_add+0x7f0/0x7f0
[  424.466033]  ? mark_held_locks+0x130/0x130
[  424.470294]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  424.475444]  ? debug_object_assert_init+0x368/0x4b0
[  424.480471]  ? debug_object_init_on_stack+0x20/0x20
[  424.485536]  ? zap_class+0x640/0x640
[  424.489266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.494826]  br_mdb_notify+0x310/0x410
[  424.498729]  ? br_mdb_dump+0x27b0/0x27b0
[  424.502824]  br_multicast_del_pg+0x3df/0x790
[  424.507250]  ? br_mdb_ip_get+0x940/0x940
[  424.511334]  ? rwlock_bug.part.2+0x90/0x90
[  424.515586]  ? __lock_is_held+0xb5/0x140
[  424.519671]  br_multicast_port_group_expired+0x189/0x1e0
[  424.525137]  call_timer_fn+0x272/0x920
[  424.529044]  ? br_multicast_del_pg+0x790/0x790
[  424.533649]  ? process_timeout+0x40/0x40
[  424.537726]  ? __run_timers+0x7da/0xc70
[  424.541721]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.546235]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.550747]  ? br_multicast_del_pg+0x790/0x790
[  424.555347]  ? lockdep_hardirqs_on+0x296/0x5b0
[  424.559954]  ? trace_hardirqs_on+0xbd/0x310
[  424.564287]  ? kasan_check_read+0x11/0x20
[  424.568472]  ? __run_timers+0x7da/0xc70
[  424.572459]  ? trace_hardirqs_off_caller+0x310/0x310
[  424.577599]  ? br_multicast_del_pg+0x790/0x790
[  424.582190]  ? br_multicast_del_pg+0x790/0x790
[  424.586801]  __run_timers+0x7e5/0xc70
[  424.590623]  ? timer_fixup_init+0x70/0x70
[  424.594785]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.599820]  ? zap_class+0x640/0x640
[  424.603557]  ? enqueue_hrtimer+0x1a5/0x560
[  424.607811]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.613020]  ? find_held_lock+0x36/0x1c0
[  424.617094]  ? zap_class+0x640/0x640
[  424.620825]  ? pvclock_read_flags+0x160/0x160
[  424.625349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.630905]  ? check_preemption_disabled+0x48/0x280
[  424.635959]  ? __lock_is_held+0xb5/0x140
[  424.640050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.645619]  ? check_preemption_disabled+0x48/0x280
[  424.650678]  run_timer_softirq+0x52/0xb0
[  424.654777]  ? rcu_read_lock_sched_held+0x14f/0x180
[  424.659821]  __do_softirq+0x308/0xb7e
[  424.663647]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  424.668167]  ? lock_downgrade+0x900/0x900
[  424.672352]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  424.677472]  ? pvclock_read_flags+0x160/0x160
[  424.681980]  ? lapic_next_event+0x5a/0x90
[  424.686144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.691728]  ? kvm_clock_read+0x18/0x30
[  424.695727]  ? kvm_sched_clock_read+0x9/0x20
[  424.700164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.705744]  ? check_preemption_disabled+0x48/0x280
[  424.710799]  irq_exit+0x17f/0x1c0
[  424.714303]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.719181]  ? smp_reschedule_interrupt+0x109/0x650
[  424.724227]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.730146]  ? interrupt_entry+0xb5/0xc0
[  424.734242]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.739293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.744362]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.749239]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.754280]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.759349]  ? task_prio+0x50/0x50
[  424.762921]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.768503]  ? check_preemption_disabled+0x48/0x280
[  424.773552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.778423]  apic_timer_interrupt+0xf/0x20
[  424.782659]  </IRQ>
[  424.784917] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.789865] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  424.808791] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.816530] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.823823] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  424.831123] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  424.838430] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.845734] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  424.853102]  skb_clone+0x1bb/0x500
[  424.856700]  ? finish_task_switch+0x2f4/0x910
[  424.861230]  ? skb_split+0x11e0/0x11e0
[  424.865154]  ? preempt_notifier_register+0x200/0x200
[  424.870285]  ? __switch_to_asm+0x34/0x70
[  424.874371]  ? __switch_to_asm+0x34/0x70
[  424.878438]  ? __switch_to_asm+0x40/0x70
[  424.882527]  ? __switch_to_asm+0x34/0x70
[  424.886602]  ? __switch_to_asm+0x40/0x70
[  424.890687]  ? __switch_to_asm+0x34/0x70
[  424.894774]  ? __switch_to_asm+0x40/0x70
[  424.898848]  ? __switch_to_asm+0x34/0x70
[  424.902943]  ? __switch_to_asm+0x34/0x70
[  424.907022]  ? __switch_to_asm+0x40/0x70
[  424.911112]  ? __switch_to_asm+0x34/0x70
[  424.915197]  bpf_clone_redirect+0xb9/0x490
[  424.919458]  ? __schedule+0x8d7/0x21d0
[  424.923370]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  424.928428]  ? __sched_text_start+0x8/0x8
[  424.932604]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  424.937386]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  424.941995]  ? retint_kernel+0x2d/0x2d
[  424.945911]  ? find_held_lock+0x36/0x1c0
[  424.950009]  ? lock_acquire+0x1ed/0x520
[  424.954010]  ? bpf_test_run+0x3cb/0x780
[  424.958016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.963584]  ? check_preemption_disabled+0x48/0x280
[  424.968635]  ? kasan_check_read+0x11/0x20
[  424.972808]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  424.978095]  ? rcu_softirq_qs+0x20/0x20
[  424.982086]  ? preempt_schedule+0x4d/0x60
[  424.986256]  ? ___preempt_schedule+0x16/0x18
[  424.990697]  ? bpf_test_run+0x25d/0x780
[  424.994705]  ? netlink_diag_dump+0x2a0/0x2a0
[  424.999140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.004713]  ? bpf_test_init.isra.10+0x70/0x100
[  425.009436]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  425.014235]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.019133]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.024703]  ? fput+0x130/0x1a0
[  425.028034]  ? __bpf_prog_get+0x9b/0x290
[  425.032132]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  425.037005]  ? bpf_prog_test_run+0x130/0x1a0
[  425.041451]  ? __x64_sys_bpf+0x3d8/0x520
[  425.045540]  ? bpf_prog_get+0x20/0x20
[  425.049390]  ? do_syscall_64+0x1b9/0x820
[  425.053480]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.058879]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.063842]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.068718]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.073759]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.078790]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.083830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.088715]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.094123] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  425.101082] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  425.110459] Call Trace:
[  425.113050]  <IRQ>
[  425.115234]  dump_stack+0x244/0x39d
[  425.118883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  425.124113]  warn_alloc.cold.116+0xb7/0x1bd
[  425.128503]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  425.133369]  ? lock_downgrade+0x900/0x900
[  425.137537]  ? trace_hardirqs_off+0xb8/0x310
[  425.141976]  ? trace_hardirqs_off+0xb8/0x310
[  425.146417]  __alloc_pages_slowpath+0x26e8/0x2e10
[  425.151329]  ? warn_alloc+0x120/0x120
[  425.155150]  ? warn_alloc+0x120/0x120
[  425.158981]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.164025]  ? warn_alloc+0x120/0x120
[  425.167840]  ? print_usage_bug+0xc0/0xc0
[  425.171919]  ? print_usage_bug+0xc0/0xc0
[  425.175983]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.181185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.186740]  ? should_fail+0x22d/0xd01
[  425.190644]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.195770]  ? __lock_acquire+0x62f/0x4c20
[  425.200025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  425.205156]  ? should_fail+0x22d/0xd01
[  425.209085]  ? mark_held_locks+0x130/0x130
[  425.213341]  ? mark_held_locks+0x130/0x130
[  425.217588]  ? print_usage_bug+0xc0/0xc0
[  425.221686]  ? find_held_lock+0x36/0x1c0
[  425.225767]  ? zap_class+0x640/0x640
[  425.229499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.235076]  ? check_preemption_disabled+0x48/0x280
[  425.240120]  ? __lock_is_held+0xb5/0x140
[  425.244198]  __alloc_pages_nodemask+0xa80/0xde0
[  425.248883]  ? zap_class+0x640/0x640
[  425.252618]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  425.257682]  ? find_held_lock+0x36/0x1c0
[  425.261772]  ? ____cache_alloc_node+0x1c7/0x1e0
[  425.266454]  ? lock_downgrade+0x900/0x900
[  425.270621]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.276171]  cache_grow_begin+0xa5/0x8c0
[  425.280233]  ? do_raw_spin_unlock+0xa7/0x330
[  425.284657]  fallback_alloc+0x204/0x2e0
[  425.288645]  ____cache_alloc_node+0x1c7/0x1e0
[  425.293158]  kmem_cache_alloc_node+0xe3/0x730
[  425.297666]  ? mark_held_locks+0xc7/0x130
[  425.301843]  __alloc_skb+0x119/0x770
[  425.305575]  ? netdev_alloc_frag+0x1f0/0x1f0
[  425.309999]  ? do_raw_spin_trylock+0x270/0x270
[  425.314619]  ? kmem_cache_alloc_trace+0x353/0x750
[  425.319487]  ? queue_work_on+0x12c/0x1e0
[  425.323581]  ? switchdev_port_obj_del+0xdc/0x440
[  425.328368]  ? switchdev_trans_item_enqueue+0x260/0x260
[  425.334266]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  425.339300]  __br_mdb_notify+0x4ff/0x15d0
[  425.343475]  ? __br_mdb_add+0x7f0/0x7f0
[  425.347475]  ? zap_class+0x640/0x640
[  425.351210]  ? br_multicast_group_expired+0x96/0x610
[  425.356335]  ? lock_downgrade+0x900/0x900
[  425.360511]  br_mdb_notify+0x310/0x410
[  425.364411]  ? br_mdb_dump+0x27b0/0x27b0
[  425.368490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.374060]  br_multicast_group_expired+0x1bc/0x610
[  425.379109]  ? br_mdb_free+0x80/0x80
[  425.382840]  call_timer_fn+0x272/0x920
[  425.386737]  ? br_mdb_free+0x80/0x80
[  425.390473]  ? process_timeout+0x40/0x40
[  425.394554]  ? mark_held_locks+0xc7/0x130
[  425.398714]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.403223]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.407729]  ? br_mdb_free+0x80/0x80
[  425.411457]  ? lockdep_hardirqs_on+0x296/0x5b0
[  425.416049]  ? trace_hardirqs_on+0xbd/0x310
[  425.420388]  ? kasan_check_read+0x11/0x20
[  425.424547]  ? __run_timers+0x7da/0xc70
[  425.428544]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.433669]  ? br_mdb_free+0x80/0x80
[  425.437402]  ? br_mdb_free+0x80/0x80
[  425.441121]  __run_timers+0x7e5/0xc70
[  425.444964]  ? timer_fixup_init+0x70/0x70
[  425.449129]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  425.454157]  ? zap_class+0x640/0x640
[  425.457882]  ? print_usage_bug+0xc0/0xc0
[  425.461962]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  425.467171]  ? find_held_lock+0x36/0x1c0
[  425.471247]  ? zap_class+0x640/0x640
[  425.474972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.480516]  ? check_preemption_disabled+0x48/0x280
[  425.485553]  ? __lock_is_held+0xb5/0x140
[  425.489625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.495172]  ? check_preemption_disabled+0x48/0x280
[  425.500220]  run_timer_softirq+0x52/0xb0
[  425.504292]  ? rcu_read_lock_sched_held+0x14f/0x180
[  425.509336]  __do_softirq+0x308/0xb7e
[  425.513180]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  425.517682]  ? lock_downgrade+0x900/0x900
[  425.521847]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  425.526969]  ? pvclock_read_flags+0x160/0x160
[  425.531481]  ? lapic_next_event+0x5a/0x90
[  425.535643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.541198]  ? kvm_clock_read+0x18/0x30
[  425.545177]  ? kvm_sched_clock_read+0x9/0x20
[  425.549598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.555154]  ? check_preemption_disabled+0x48/0x280
[  425.560187]  irq_exit+0x17f/0x1c0
[  425.563657]  smp_apic_timer_interrupt+0x1cb/0x760
[  425.568511]  ? smp_reschedule_interrupt+0x109/0x650
[  425.573535]  ? smp_call_function_single_interrupt+0x650/0x650
[  425.579434]  ? interrupt_entry+0xb5/0xc0
[  425.583507]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.588531]  ? trace_hardirqs_off_caller+0xbb/0x310
[  425.593562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.598419]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.603456]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.608489]  ? task_prio+0x50/0x50
[  425.612042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.617591]  ? check_preemption_disabled+0x48/0x280
[  425.622624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.627486]  apic_timer_interrupt+0xf/0x20
[  425.631731]  </IRQ>
[  425.633973] RIP: 0010:console_unlock+0x102f/0x1190
[  425.638924] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  425.657840] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  425.665567] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  425.672854] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  425.680126] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  425.687409] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  425.694692] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  425.701997]  ? netconsole_netdev_event+0x280/0x280
[  425.706946]  ? console_unlock+0x1026/0x1190
[  425.711300]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  425.715994]  ? vprintk_emit+0x846/0x990
[  425.719984]  ? lock_release+0xa00/0xa00
[  425.723976]  ? trace_hardirqs_on+0x60/0x310
[  425.728304]  ? vprintk_default+0x28/0x30
[  425.732387]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.737507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.743070]  vprintk_emit+0x391/0x990
[  425.746899]  ? wake_up_klogd+0x180/0x180
[  425.750996]  ? find_held_lock+0x1/0x1c0
[  425.754997]  ? mark_held_locks+0xc7/0x130
[  425.759167]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.763678]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.768194]  vprintk_default+0x28/0x30
[  425.772095]  vprintk_func+0x7e/0x181
[  425.775826]  printk+0xa7/0xcf
[  425.778936]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  425.783707]  ? _raw_spin_unlock_irq+0x60/0x80
[  425.788228]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  425.793529]  dump_header+0x7cc/0xf72
[  425.797266]  ? pagefault_out_of_memory+0x197/0x197
[  425.802222]  ? __lock_acquire+0x62f/0x4c20
[  425.806474]  ? percpu_ref_get_many+0x240/0x240
[  425.811078]  ? print_usage_bug+0xc0/0xc0
[  425.815177]  ? zap_class+0x640/0x640
[  425.818902]  ? print_usage_bug+0xc0/0xc0
[  425.822980]  ? zap_class+0x640/0x640
[  425.826713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.832277]  ? find_held_lock+0x36/0x1c0
[  425.836376]  ? mark_held_locks+0xc7/0x130
[  425.840545]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.845664]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.850786]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  425.855388]  ? trace_hardirqs_on+0xbd/0x310
[  425.859738]  ? kasan_check_read+0x11/0x20
[  425.863903]  ? ___ratelimit+0x3b4/0x672
[  425.867899]  ? trace_hardirqs_off_caller+0x310/0x310
[  425.873022]  ? trace_hardirqs_on+0x310/0x310
[  425.877441]  ? lock_downgrade+0x900/0x900
[  425.881603]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.886724]  ? ___ratelimit+0x3b9/0x672
[  425.890719]  ? idr_get_free+0xf70/0xf70
[  425.894708]  ? find_held_lock+0x36/0x1c0
[  425.898797]  oom_kill_process.cold.27+0x10/0x903
[  425.903572]  ? zap_class+0x640/0x640
[  425.907299]  ? check_preemption_disabled+0x48/0x280
[  425.912346]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.917301]  ? kasan_check_read+0x11/0x20
[  425.921471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.926768]  ? oom_evaluate_task+0x540/0x540
[  425.931192]  ? find_held_lock+0x36/0x1c0
[  425.935273]  ? out_of_memory+0x974/0x1430
[  425.939446]  ? lock_downgrade+0x900/0x900
[  425.943606]  ? check_preemption_disabled+0x48/0x280
[  425.948640]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  425.953583]  ? kasan_check_read+0x11/0x20
[  425.957759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  425.963046]  ? rcu_softirq_qs+0x20/0x20
[  425.967042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.972606]  ? oom_evaluate_task+0x302/0x540
[  425.977023]  out_of_memory+0xa84/0x1430
[  425.981007]  ? oom_killer_disable+0x3a0/0x3a0
[  425.985518]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  425.990468]  ? __ww_mutex_check_waiters+0x160/0x160
[  425.995565]  __alloc_pages_slowpath+0x2354/0x2e10
[  426.000487]  ? warn_alloc+0x120/0x120
[  426.004327]  ? mark_held_locks+0x130/0x130
[  426.008605]  ? find_get_entry+0xaae/0x1120
[  426.012868]  ? filemap_map_pages+0x1a20/0x1a20
[  426.017484]  ? zap_class+0x640/0x640
[  426.021218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.026777]  ? check_preemption_disabled+0x48/0x280
[  426.031812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.037367]  ? should_fail+0x22d/0xd01
[  426.041279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.046417]  ? zap_class+0x640/0x640
[  426.050176]  ? __lock_is_held+0xb5/0x140
[  426.054256]  ? mark_held_locks+0x130/0x130
[  426.058505]  ? lock_release+0xa00/0xa00
[  426.062496]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.067968]  ? xa_load+0x2ba/0x460
[  426.071528]  ? lock_downgrade+0x900/0x900
[  426.075690]  ? __might_sleep+0x95/0x190
[  426.079677]  __alloc_pages_nodemask+0xa80/0xde0
[  426.084380]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  426.089421]  ? __page_cache_alloc+0x191/0x5c0
[  426.093963]  ? xa_load+0x2e1/0x460
[  426.097516]  ? xa_clear_mark+0x40/0x40
[  426.101413]  ? zap_class+0x640/0x640
[  426.105143]  ? zap_class+0x640/0x640
[  426.108874]  ? zap_class+0x640/0x640
[  426.112603]  ? zap_class+0x640/0x640
[  426.116343]  ? __do_page_cache_readahead+0x663/0x810
[  426.121468]  ? find_held_lock+0x36/0x1c0
[  426.125553]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  426.131122]  alloc_pages_current+0x173/0x350
[  426.135558]  __page_cache_alloc+0x38c/0x5c0
[  426.139900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.144855]  ? kasan_check_read+0x11/0x20
[  426.149031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.154345]  ? generic_perform_write+0x6a0/0x6a0
[  426.159122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.164697]  ? check_preemption_disabled+0x48/0x280
[  426.169741]  filemap_fault+0x1595/0x25f0
[  426.173825]  ? __lock_page_or_retry+0xa00/0xa00
[  426.178506]  ? mark_held_locks+0x130/0x130
[  426.182757]  ? filemap_map_pages+0xd6b/0x1a20
[  426.187265]  ? lock_downgrade+0x900/0x900
[  426.191426]  ? check_preemption_disabled+0x48/0x280
[  426.196459]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.201668]  ? kasan_check_read+0x11/0x20
[  426.205835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.211125]  ? rcu_softirq_qs+0x20/0x20
[  426.215132]  ? filemap_map_pages+0xd92/0x1a20
[  426.219645]  ? queue_work_on+0x12c/0x1e0
[  426.223729]  ? find_get_entries_tag+0x1400/0x1400
[  426.228588]  ? debug_object_destroy+0x2b0/0x2b0
[  426.233275]  ? lock_pi_update_atomic+0x150/0x150
[  426.238049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.243610]  ? lock_acquire+0x1ed/0x520
[  426.247599]  ? ext4_filemap_fault+0x7a/0xad
[  426.251941]  ? lock_release+0xa00/0xa00
[  426.255929]  ? perf_trace_sched_process_exec+0x860/0x860
[  426.261411]  ? print_usage_bug+0xc0/0xc0
[  426.265510]  ? print_usage_bug+0xc0/0xc0
[  426.269603]  ? down_read+0x8d/0x120
[  426.273238]  ? ext4_filemap_fault+0x7a/0xad
[  426.277566]  ? __down_interruptible+0x700/0x700
[  426.282300]  ext4_filemap_fault+0x82/0xad
[  426.286472]  __do_fault+0x100/0x6b0
[  426.290130]  ? find_held_lock+0x36/0x1c0
[  426.294206]  ? pmd_devmap_trans_unstable+0x220/0x220
[  426.299335]  ? mark_held_locks+0x130/0x130
[  426.303585]  ? mark_held_locks+0x130/0x130
[  426.307834]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.312342]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.317242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  426.322018]  ? kasan_check_read+0x11/0x20
[  426.326180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.331743]  __handle_mm_fault+0x3ea0/0x5be0
[  426.336215]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  426.341079]  ? finish_task_switch+0x1f4/0x910
[  426.345585]  ? finish_task_switch+0x1b4/0x910
[  426.350094]  ? __switch_to_asm+0x34/0x70
[  426.354175]  ? preempt_notifier_register+0x200/0x200
[  426.359291]  ? __switch_to_asm+0x34/0x70
[  426.363392]  ? __switch_to_asm+0x34/0x70
[  426.367484]  ? zap_class+0x640/0x640
[  426.371214]  ? zap_class+0x640/0x640
[  426.374950]  ? __x64_sys_futex+0x53e/0x6a0
[  426.379196]  ? find_held_lock+0x36/0x1c0
[  426.383271]  ? handle_mm_fault+0x42a/0xc70
[  426.387516]  ? lock_downgrade+0x900/0x900
[  426.391678]  ? check_preemption_disabled+0x48/0x280
[  426.396706]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  426.401665]  ? kasan_check_read+0x11/0x20
[  426.405829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  426.411117]  ? rcu_softirq_qs+0x20/0x20
[  426.415101]  ? trace_hardirqs_off_caller+0x310/0x310
[  426.420223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.425778]  ? check_preemption_disabled+0x48/0x280
[  426.430914]  handle_mm_fault+0x54f/0xc70
[  426.434995]  ? __handle_mm_fault+0x5be0/0x5be0
[  426.439592]  ? find_vma+0x34/0x190
[  426.443150]  __do_page_fault+0x5e8/0xe60
[  426.447227]  ? trace_hardirqs_off+0xb8/0x310
[  426.451665]  do_page_fault+0xf2/0x7e0
[  426.455486]  ? vmalloc_sync_all+0x30/0x30
[  426.459645]  ? error_entry+0x70/0xd0
[  426.463385]  ? trace_hardirqs_off_caller+0xbb/0x310
[  426.468410]  ? trace_hardirqs_on_caller+0xc0/0x310
[  426.473348]  ? syscall_return_slowpath+0x5e0/0x5e0
[  426.478283]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.483144]  ? trace_hardirqs_on_caller+0x310/0x310
[  426.488177]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.493673]  ? prepare_exit_to_usermode+0x291/0x3b0
[  426.498709]  ? page_fault+0x8/0x30
[  426.502262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  426.507119]  ? page_fault+0x8/0x30
[  426.510663]  page_fault+0x1e/0x30
[  426.514118] RIP: 0033:0x45ddf3
[  426.517331] Code: Bad RIP value.
[  426.520707] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  426.526090] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  426.533376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  426.540671] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  426.547948] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  426.555224] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  426.562543] warn_alloc_show_mem: 1 callbacks suppressed
[  426.562549] Mem-Info:
[  426.570351] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  426.570351]  active_file:15 inactive_file:15 isolated_file:0
[  426.570351]  unevictable:0 dirty:0 writeback:0 unstable:0
[  426.570351]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  426.570351]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  426.570351]  free:13750 free_pcp:296 free_cma:0
[  426.603473] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  426.630989] 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
[  426.657141] lowmem_reserve[]: 0 2818 6321 6321
[  426.661757] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  426.689296] lowmem_reserve[]: 0 0 3503 3503
[  426.693651] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  426.722670] lowmem_reserve[]: 0 0 0 0
[  426.726494] 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
[  426.740094] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  426.755718] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  426.769947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.778795] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.787374] 2335 total pagecache pages
[  426.791273] 0 pages in swap cache
[  426.794720] Swap cache stats: add 0, delete 0, find 0/0
[  426.800080] Free swap  = 0kB
[  426.803093] Total swap = 0kB
[  426.806105] 1965979 pages RAM
[  426.809216] 0 pages HighMem/MovableOnly
[  426.813184] 342853 pages reserved
[  426.816633] 0 pages cma reserved
[  426.820138] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.820143] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.820183] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.830651] syz-executor1 cpuset=syz1 mems_allowed=0
[  426.837142] syz-fuzzer cpuset=/ mems_allowed=0
[  426.847375] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  426.864326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.873693] Call Trace:
[  426.876354]  <IRQ>
[  426.878541]  dump_stack+0x244/0x39d
[  426.882181]  ? dump_stack_print_info.cold.1+0x20/0x20
[  426.887397]  warn_alloc.cold.116+0xb7/0x1bd
[  426.891730]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.896592]  ? lock_downgrade+0x900/0x900
[  426.900754]  ? trace_hardirqs_off+0xb8/0x310
[  426.905177]  ? trace_hardirqs_off+0xb8/0x310
[  426.909605]  __alloc_pages_slowpath+0x26e8/0x2e10
[  426.914488]  ? warn_alloc+0x120/0x120
[  426.918300]  ? warn_alloc+0x120/0x120
[  426.922129]  ? warn_alloc+0x120/0x120
[  426.925938]  ? print_usage_bug+0xc0/0xc0
[  426.930007]  ? print_usage_bug+0xc0/0xc0
[  426.934079]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  426.939278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.944833]  ? should_fail+0x22d/0xd01
[  426.948733]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.953843]  ? __lock_acquire+0x62f/0x4c20
[  426.958089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.963195]  ? should_fail+0x22d/0xd01
[  426.967089]  ? clockevents_program_event+0x158/0x370
[  426.972224]  ? mark_held_locks+0x130/0x130
[  426.976472]  ? mark_held_locks+0x130/0x130
[  426.980707]  ? print_usage_bug+0xc0/0xc0
[  426.984774]  ? find_held_lock+0x36/0x1c0
[  426.988838]  ? zap_class+0x640/0x640
[  426.992560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.998107]  ? check_preemption_disabled+0x48/0x280
[  427.003136]  ? __lock_is_held+0xb5/0x140
[  427.007207]  __alloc_pages_nodemask+0xa80/0xde0
[  427.011878]  ? zap_class+0x640/0x640
[  427.015605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.020642]  ? find_held_lock+0x36/0x1c0
[  427.024718]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.029392]  ? lock_downgrade+0x900/0x900
[  427.033556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.039108]  cache_grow_begin+0xa5/0x8c0
[  427.043171]  ? do_raw_spin_unlock+0xa7/0x330
[  427.047597]  fallback_alloc+0x204/0x2e0
[  427.051584]  ____cache_alloc_node+0x1c7/0x1e0
[  427.056088]  kmem_cache_alloc_node+0xe3/0x730
[  427.060589]  ? mark_held_locks+0xc7/0x130
[  427.064754]  __alloc_skb+0x119/0x770
[  427.068479]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.072906]  ? do_raw_spin_trylock+0x270/0x270
[  427.077499]  ? kmem_cache_alloc_trace+0x353/0x750
[  427.082351]  ? queue_work_on+0x12c/0x1e0
[  427.086429]  ? switchdev_port_obj_del+0xdc/0x440
[  427.091190]  ? switchdev_trans_item_enqueue+0x260/0x260
[  427.096563]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  427.101590]  __br_mdb_notify+0x4ff/0x15d0
[  427.105739]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  427.110853]  ? __br_mdb_add+0x7f0/0x7f0
[  427.114837]  ? mark_held_locks+0x130/0x130
[  427.119083]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  427.124192]  ? debug_object_assert_init+0x368/0x4b0
[  427.129218]  ? debug_object_init_on_stack+0x20/0x20
[  427.134240]  ? zap_class+0x640/0x640
[  427.137962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.143510]  br_mdb_notify+0x310/0x410
[  427.147418]  ? br_mdb_dump+0x27b0/0x27b0
[  427.151515]  br_multicast_del_pg+0x3df/0x790
[  427.155940]  ? br_mdb_ip_get+0x940/0x940
[  427.160013]  ? rwlock_bug.part.2+0x90/0x90
[  427.164258]  ? __lock_is_held+0xb5/0x140
[  427.168341]  br_multicast_port_group_expired+0x189/0x1e0
[  427.173802]  call_timer_fn+0x272/0x920
[  427.177708]  ? br_multicast_del_pg+0x790/0x790
[  427.182296]  ? process_timeout+0x40/0x40
[  427.186375]  ? __run_timers+0x7da/0xc70
[  427.190356]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.194852]  ? _raw_spin_unlock_irq+0x27/0x80
[  427.199356]  ? br_multicast_del_pg+0x790/0x790
[  427.203947]  ? lockdep_hardirqs_on+0x296/0x5b0
[  427.208540]  ? trace_hardirqs_on+0xbd/0x310
[  427.212865]  ? kasan_check_read+0x11/0x20
[  427.217023]  ? __run_timers+0x7da/0xc70
[  427.221007]  ? trace_hardirqs_off_caller+0x310/0x310
[  427.226130]  ? br_multicast_del_pg+0x790/0x790
[  427.230726]  ? br_multicast_del_pg+0x790/0x790
[  427.235319]  __run_timers+0x7e5/0xc70
[  427.239134]  ? timer_fixup_init+0x70/0x70
[  427.243287]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.248328]  ? zap_class+0x640/0x640
[  427.252062]  ? enqueue_hrtimer+0x1a5/0x560
[  427.256303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.261527]  ? find_held_lock+0x36/0x1c0
[  427.265598]  ? zap_class+0x640/0x640
[  427.269329]  ? pvclock_read_flags+0x160/0x160
[  427.273849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.279424]  ? check_preemption_disabled+0x48/0x280
[  427.284458]  ? __lock_is_held+0xb5/0x140
[  427.288527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.294073]  ? check_preemption_disabled+0x48/0x280
[  427.299118]  run_timer_softirq+0x52/0xb0
[  427.303192]  ? rcu_read_lock_sched_held+0x14f/0x180
[  427.308216]  __do_softirq+0x308/0xb7e
[  427.312027]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  427.316532]  ? lock_downgrade+0x900/0x900
[  427.320688]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  427.325801]  ? pvclock_read_flags+0x160/0x160
[  427.330451]  ? lapic_next_event+0x5a/0x90
[  427.334606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.340150]  ? kvm_clock_read+0x18/0x30
[  427.344127]  ? kvm_sched_clock_read+0x9/0x20
[  427.348560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.354103]  ? check_preemption_disabled+0x48/0x280
[  427.359135]  irq_exit+0x17f/0x1c0
[  427.362600]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.367451]  ? smp_reschedule_interrupt+0x109/0x650
[  427.372482]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.378396]  ? interrupt_entry+0xb5/0xc0
[  427.382475]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.387496]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.392518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.397367]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.402394]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.407425]  ? task_prio+0x50/0x50
[  427.410973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.416519]  ? check_preemption_disabled+0x48/0x280
[  427.421547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.426419]  apic_timer_interrupt+0xf/0x20
[  427.430655]  </IRQ>
[  427.432903] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.437840] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  427.456760] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.464498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.471780] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  427.479050] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  427.486331] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.493628] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  427.500961]  skb_clone+0x1bb/0x500
[  427.504520]  ? finish_task_switch+0x2f4/0x910
[  427.509033]  ? skb_split+0x11e0/0x11e0
[  427.512944]  ? preempt_notifier_register+0x200/0x200
[  427.518061]  ? __switch_to_asm+0x34/0x70
[  427.522133]  ? __switch_to_asm+0x34/0x70
[  427.526200]  ? __switch_to_asm+0x40/0x70
[  427.530261]  ? __switch_to_asm+0x34/0x70
[  427.534332]  ? __switch_to_asm+0x40/0x70
[  427.538397]  ? __switch_to_asm+0x34/0x70
[  427.542461]  ? __switch_to_asm+0x40/0x70
[  427.546529]  ? __switch_to_asm+0x34/0x70
[  427.550593]  ? __switch_to_asm+0x34/0x70
[  427.554653]  ? __switch_to_asm+0x40/0x70
[  427.558713]  ? __switch_to_asm+0x34/0x70
[  427.562782]  bpf_clone_redirect+0xb9/0x490
[  427.567054]  ? __schedule+0x8d7/0x21d0
[  427.570955]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  427.575980]  ? __sched_text_start+0x8/0x8
[  427.580145]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  427.584924]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  427.589515]  ? retint_kernel+0x2d/0x2d
[  427.593420]  ? find_held_lock+0x36/0x1c0
[  427.597497]  ? lock_acquire+0x1ed/0x520
[  427.601499]  ? bpf_test_run+0x3cb/0x780
[  427.605508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.611062]  ? check_preemption_disabled+0x48/0x280
[  427.616091]  ? kasan_check_read+0x11/0x20
[  427.620245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.625533]  ? rcu_softirq_qs+0x20/0x20
[  427.629517]  ? preempt_schedule+0x4d/0x60
[  427.633688]  ? ___preempt_schedule+0x16/0x18
[  427.638119]  ? bpf_test_run+0x25d/0x780
[  427.642112]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.646531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.652075]  ? bpf_test_init.isra.10+0x70/0x100
[  427.656754]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  427.661529]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.666379]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.671928]  ? fput+0x130/0x1a0
[  427.675225]  ? __bpf_prog_get+0x9b/0x290
[  427.679291]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  427.684146]  ? bpf_prog_test_run+0x130/0x1a0
[  427.688563]  ? __x64_sys_bpf+0x3d8/0x520
[  427.692631]  ? bpf_prog_get+0x20/0x20
[  427.696464]  ? do_syscall_64+0x1b9/0x820
[  427.700532]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.705901]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.710830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.715680]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.720704]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.725742]  ? prepare_exit_to_usermode+0x291/0x3b0
[  427.730766]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.735623]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.741008] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  427.741193] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  427.747955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.758453] syz-executor1 cpuset=syz1 mems_allowed=0
[  427.767798] Call Trace:
[  427.775466]  <IRQ>
[  427.777632]  dump_stack+0x244/0x39d
[  427.781284]  ? dump_stack_print_info.cold.1+0x20/0x20
[  427.786512]  warn_alloc.cold.116+0xb7/0x1bd
[  427.790846]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.795702]  ? lock_downgrade+0x900/0x900
[  427.799864]  ? trace_hardirqs_off+0xb8/0x310
[  427.804288]  ? trace_hardirqs_off+0xb8/0x310
[  427.808721]  __alloc_pages_slowpath+0x26e8/0x2e10
[  427.813604]  ? warn_alloc+0x120/0x120
[  427.817431]  ? print_usage_bug+0xc0/0xc0
[  427.821503]  ? warn_alloc+0x120/0x120
[  427.825323]  ? warn_alloc+0x120/0x120
[  427.829134]  ? print_usage_bug+0xc0/0xc0
[  427.833200]  ? mark_held_locks+0x130/0x130
[  427.837445]  ? kvm_clock_read+0x18/0x30
[  427.841429]  ? print_usage_bug+0xc0/0xc0
[  427.845517]  ? __lock_acquire+0x62f/0x4c20
[  427.849762]  ? __lock_acquire+0x62f/0x4c20
[  427.854002]  ? kasan_check_write+0x14/0x20
[  427.858246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.863794]  ? should_fail+0x22d/0xd01
[  427.867689]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.872804]  ? __lock_acquire+0x62f/0x4c20
[  427.877063]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.882182]  ? __lock_acquire+0x62f/0x4c20
[  427.886430]  ? should_fail+0x22d/0xd01
[  427.890347]  ? mark_held_locks+0x130/0x130
[  427.894590]  ? mark_held_locks+0x130/0x130
[  427.898843]  ? zap_class+0x640/0x640
[  427.902575]  ? print_usage_bug+0xc0/0xc0
[  427.906646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.912194]  ? check_preemption_disabled+0x48/0x280
[  427.917228]  ? __lock_is_held+0xb5/0x140
[  427.921301]  __alloc_pages_nodemask+0xa80/0xde0
[  427.925991]  ? zap_class+0x640/0x640
[  427.929717]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  427.934747]  ? find_held_lock+0x36/0x1c0
[  427.938830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.943509]  ? lock_downgrade+0x900/0x900
[  427.947695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.953243]  cache_grow_begin+0xa5/0x8c0
[  427.957318]  ? do_raw_spin_unlock+0xa7/0x330
[  427.961741]  fallback_alloc+0x204/0x2e0
[  427.965724]  ____cache_alloc_node+0x1c7/0x1e0
[  427.970235]  kmem_cache_alloc_node+0xe3/0x730
[  427.974737]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.978988]  __alloc_skb+0x119/0x770
[  427.982703]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  427.987987]  ? netdev_alloc_frag+0x1f0/0x1f0
[  427.992400]  ? lock_downgrade+0x900/0x900
[  427.996570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.002111]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.007570]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.013032]  ? addrconf_rs_timer+0x690/0x690
[  428.017462]  ndisc_alloc_skb+0x144/0x340
[  428.021538]  ndisc_send_rs+0x331/0x6e0
[  428.025435]  addrconf_rs_timer+0x314/0x690
[  428.029683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.033937]  call_timer_fn+0x272/0x920
[  428.037830]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.042067]  ? process_timeout+0x40/0x40
[  428.046144]  ? mark_held_locks+0xc7/0x130
[  428.050300]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.054813]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.059317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.063563]  ? lockdep_hardirqs_on+0x296/0x5b0
[  428.068152]  ? trace_hardirqs_on+0xbd/0x310
[  428.072489]  ? kasan_check_read+0x11/0x20
[  428.076686]  ? __run_timers+0x7da/0xc70
[  428.080661]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.085778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.090023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.094264]  __run_timers+0x7e5/0xc70
[  428.098078]  ? timer_fixup_init+0x70/0x70
[  428.102232]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.107258]  ? zap_class+0x640/0x640
[  428.110982]  ? print_usage_bug+0xc0/0xc0
[  428.115051]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.120253]  ? find_held_lock+0x36/0x1c0
[  428.124330]  ? zap_class+0x640/0x640
[  428.128054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.133599]  ? check_preemption_disabled+0x48/0x280
[  428.138629]  ? __lock_is_held+0xb5/0x140
[  428.142697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.148239]  ? check_preemption_disabled+0x48/0x280
[  428.153274]  run_timer_softirq+0x52/0xb0
[  428.157352]  ? rcu_read_lock_sched_held+0x14f/0x180
[  428.162376]  __do_softirq+0x308/0xb7e
[  428.166186]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  428.170686]  ? lock_downgrade+0x900/0x900
[  428.174844]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  428.180028]  ? pvclock_read_flags+0x160/0x160
[  428.184550]  ? lapic_next_event+0x5a/0x90
[  428.188704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.194254]  ? kvm_clock_read+0x18/0x30
[  428.198529]  ? kvm_sched_clock_read+0x9/0x20
[  428.202946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.208494]  ? check_preemption_disabled+0x48/0x280
[  428.213523]  irq_exit+0x17f/0x1c0
[  428.216988]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.221859]  ? smp_reschedule_interrupt+0x109/0x650
[  428.226889]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.232778]  ? interrupt_entry+0xb5/0xc0
[  428.236847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.241866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.246887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.251741]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.256756]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.261789]  ? task_prio+0x50/0x50
[  428.265341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.270884]  ? check_preemption_disabled+0x48/0x280
[  428.275951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.280820]  apic_timer_interrupt+0xf/0x20
[  428.285050]  </IRQ>
[  428.287289] RIP: 0010:console_unlock+0x102f/0x1190
[  428.292249] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  428.311153] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  428.318867] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  428.326138] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  428.333410] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  428.340680] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  428.347950] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  428.355237]  ? netconsole_netdev_event+0x280/0x280
[  428.360178]  ? console_unlock+0x1026/0x1190
[  428.364523]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  428.369201]  ? vprintk_emit+0x846/0x990
[  428.373188]  ? lock_release+0xa00/0xa00
[  428.377180]  ? trace_hardirqs_on+0x60/0x310
[  428.381529]  ? vprintk_default+0x28/0x30
[  428.385594]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.390709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.396258]  vprintk_emit+0x391/0x990
[  428.400069]  ? wake_up_klogd+0x180/0x180
[  428.404140]  ? find_held_lock+0x1/0x1c0
[  428.408128]  ? mark_held_locks+0xc7/0x130
[  428.412279]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.416783]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.421287]  vprintk_default+0x28/0x30
[  428.425193]  vprintk_func+0x7e/0x181
[  428.428916]  printk+0xa7/0xcf
[  428.432028]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  428.436791]  ? _raw_spin_unlock_irq+0x60/0x80
[  428.441304]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  428.446610]  dump_header+0x7cc/0xf72
[  428.450346]  ? pagefault_out_of_memory+0x197/0x197
[  428.455294]  ? __lock_acquire+0x62f/0x4c20
[  428.459545]  ? percpu_ref_get_many+0x240/0x240
[  428.464137]  ? print_usage_bug+0xc0/0xc0
[  428.468208]  ? zap_class+0x640/0x640
[  428.471935]  ? print_usage_bug+0xc0/0xc0
[  428.476014]  ? zap_class+0x640/0x640
[  428.479732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.485276]  ? find_held_lock+0x36/0x1c0
[  428.489357]  ? mark_held_locks+0xc7/0x130
[  428.493511]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.498618]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  428.503739]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.508335]  ? trace_hardirqs_on+0xbd/0x310
[  428.512676]  ? kasan_check_read+0x11/0x20
[  428.516826]  ? ___ratelimit+0x3b4/0x672
[  428.520807]  ? trace_hardirqs_off_caller+0x310/0x310
[  428.525921]  ? trace_hardirqs_on+0x310/0x310
[  428.530342]  ? lock_downgrade+0x900/0x900
[  428.534508]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  428.539616]  ? ___ratelimit+0x3b9/0x672
[  428.543597]  ? idr_get_free+0xf70/0xf70
[  428.547581]  ? find_held_lock+0x36/0x1c0
[  428.551659]  oom_kill_process.cold.27+0x10/0x903
[  428.556433]  ? zap_class+0x640/0x640
[  428.560155]  ? check_preemption_disabled+0x48/0x280
[  428.565178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.570110]  ? kasan_check_read+0x11/0x20
[  428.574286]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.579610]  ? oom_evaluate_task+0x540/0x540
[  428.584034]  ? find_held_lock+0x36/0x1c0
[  428.588107]  ? out_of_memory+0x974/0x1430
[  428.592261]  ? lock_downgrade+0x900/0x900
[  428.596414]  ? check_preemption_disabled+0x48/0x280
[  428.601438]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.606373]  ? kasan_check_read+0x11/0x20
[  428.610524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.615809]  ? rcu_softirq_qs+0x20/0x20
[  428.619806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.625351]  ? oom_evaluate_task+0x302/0x540
[  428.629773]  out_of_memory+0xa84/0x1430
[  428.633770]  ? oom_killer_disable+0x3a0/0x3a0
[  428.638269]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  428.643206]  ? __ww_mutex_check_waiters+0x160/0x160
[  428.648236]  __alloc_pages_slowpath+0x2354/0x2e10
[  428.653117]  ? warn_alloc+0x120/0x120
[  428.656927]  ? mark_held_locks+0x130/0x130
[  428.661171]  ? find_get_entry+0xaae/0x1120
[  428.665425]  ? filemap_map_pages+0x1a20/0x1a20
[  428.670020]  ? zap_class+0x640/0x640
[  428.673770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.679318]  ? check_preemption_disabled+0x48/0x280
[  428.684347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.689888]  ? should_fail+0x22d/0xd01
[  428.693787]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  428.698895]  ? zap_class+0x640/0x640
[  428.702645]  ? __lock_is_held+0xb5/0x140
[  428.706717]  ? mark_held_locks+0x130/0x130
[  428.710959]  ? lock_release+0xa00/0xa00
[  428.714938]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.720393]  ? xa_load+0x2ba/0x460
[  428.723943]  ? lock_downgrade+0x900/0x900
[  428.728100]  ? __might_sleep+0x95/0x190
[  428.732085]  __alloc_pages_nodemask+0xa80/0xde0
[  428.736785]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  428.741812]  ? __page_cache_alloc+0x191/0x5c0
[  428.746319]  ? xa_load+0x2e1/0x460
[  428.749865]  ? xa_clear_mark+0x40/0x40
[  428.753772]  ? zap_class+0x640/0x640
[  428.757493]  ? zap_class+0x640/0x640
[  428.761219]  ? zap_class+0x640/0x640
[  428.764936]  ? zap_class+0x640/0x640
[  428.768657]  ? __do_page_cache_readahead+0x663/0x810
[  428.773783]  ? find_held_lock+0x36/0x1c0
[  428.777915]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  428.783464]  alloc_pages_current+0x173/0x350
[  428.787890]  __page_cache_alloc+0x38c/0x5c0
[  428.792216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.797151]  ? kasan_check_read+0x11/0x20
[  428.801301]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.806594]  ? generic_perform_write+0x6a0/0x6a0
[  428.811369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.816920]  ? check_preemption_disabled+0x48/0x280
[  428.821952]  filemap_fault+0x1595/0x25f0
[  428.826029]  ? __lock_page_or_retry+0xa00/0xa00
[  428.830720]  ? mark_held_locks+0x130/0x130
[  428.834970]  ? filemap_map_pages+0xd6b/0x1a20
[  428.839475]  ? lock_downgrade+0x900/0x900
[  428.843638]  ? check_preemption_disabled+0x48/0x280
[  428.848661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  428.853600]  ? kasan_check_read+0x11/0x20
[  428.857750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  428.863029]  ? rcu_softirq_qs+0x20/0x20
[  428.867020]  ? filemap_map_pages+0xd92/0x1a20
[  428.871526]  ? queue_work_on+0x12c/0x1e0
[  428.875593]  ? find_get_entries_tag+0x1400/0x1400
[  428.880445]  ? debug_object_destroy+0x2b0/0x2b0
[  428.885121]  ? lock_pi_update_atomic+0x150/0x150
[  428.889889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.895453]  ? lock_acquire+0x1ed/0x520
[  428.899436]  ? ext4_filemap_fault+0x7a/0xad
[  428.903771]  ? lock_release+0xa00/0xa00
[  428.907749]  ? perf_trace_sched_process_exec+0x860/0x860
[  428.913205]  ? print_usage_bug+0xc0/0xc0
[  428.917269]  ? print_usage_bug+0xc0/0xc0
[  428.921354]  ? down_read+0x8d/0x120
[  428.924999]  ? ext4_filemap_fault+0x7a/0xad
[  428.929332]  ? __down_interruptible+0x700/0x700
[  428.934024]  ext4_filemap_fault+0x82/0xad
[  428.938198]  __do_fault+0x100/0x6b0
[  428.941827]  ? find_held_lock+0x36/0x1c0
[  428.945903]  ? pmd_devmap_trans_unstable+0x220/0x220
[  428.951029]  ? mark_held_locks+0x130/0x130
[  428.955284]  ? mark_held_locks+0x130/0x130
[  428.959540]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.964040]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.968539]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  428.973135]  ? kasan_check_read+0x11/0x20
[  428.977291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.982851]  __handle_mm_fault+0x3ea0/0x5be0
[  428.987271]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  428.992120]  ? finish_task_switch+0x1f4/0x910
[  428.996622]  ? finish_task_switch+0x1b4/0x910
[  429.001121]  ? __switch_to_asm+0x34/0x70
[  429.005192]  ? preempt_notifier_register+0x200/0x200
[  429.010296]  ? __switch_to_asm+0x34/0x70
[  429.014367]  ? __switch_to_asm+0x34/0x70
[  429.018445]  ? zap_class+0x640/0x640
[  429.022161]  ? zap_class+0x640/0x640
[  429.025881]  ? __x64_sys_futex+0x53e/0x6a0
[  429.030131]  ? find_held_lock+0x36/0x1c0
[  429.034208]  ? handle_mm_fault+0x42a/0xc70
[  429.038450]  ? lock_downgrade+0x900/0x900
[  429.042618]  ? check_preemption_disabled+0x48/0x280
[  429.047644]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  429.052579]  ? kasan_check_read+0x11/0x20
[  429.056733]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  429.062014]  ? rcu_softirq_qs+0x20/0x20
[  429.065998]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.071118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.076657]  ? check_preemption_disabled+0x48/0x280
[  429.081717]  handle_mm_fault+0x54f/0xc70
[  429.085789]  ? __handle_mm_fault+0x5be0/0x5be0
[  429.090378]  ? find_vma+0x34/0x190
[  429.093935]  __do_page_fault+0x5e8/0xe60
[  429.098016]  ? trace_hardirqs_off+0xb8/0x310
[  429.102442]  do_page_fault+0xf2/0x7e0
[  429.106252]  ? vmalloc_sync_all+0x30/0x30
[  429.110406]  ? error_entry+0x70/0xd0
[  429.114128]  ? trace_hardirqs_off_caller+0xbb/0x310
[  429.119148]  ? trace_hardirqs_on_caller+0xc0/0x310
[  429.124088]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.129035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.133882]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.138906]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.144392]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.149419]  ? page_fault+0x8/0x30
[  429.152973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.157821]  ? page_fault+0x8/0x30
[  429.161365]  page_fault+0x1e/0x30
[  429.164847] RIP: 0033:0x45ddf3
[  429.168059] Code: Bad RIP value.
[  429.171426] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  429.176804] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  429.184088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  429.191355] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  429.198623] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  429.205894] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  429.213200] warn_alloc_show_mem: 1 callbacks suppressed
[  429.213213] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  429.213214] Mem-Info:
[  429.213248] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  429.213248]  active_file:15 inactive_file:15 isolated_file:0
[  429.213248]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.213248]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  429.213248]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  429.213248]  free:13750 free_pcp:296 free_cma:0
[  429.218609] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.225896] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.228298] Call Trace:
[  429.261384] 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
[  429.270745]  <IRQ>
[  429.298241] lowmem_reserve[]: 0 2818 6321 6321
[  429.300833]  dump_stack+0x244/0x39d
[  429.327061] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  429.329244]  ? dump_stack_print_info.cold.1+0x20/0x20
[  429.334305] lowmem_reserve[]: 0 0 3503 3503
[  429.337965]  warn_alloc.cold.116+0xb7/0x1bd
[  429.365441] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  429.370638]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.374930] lowmem_reserve[]: 0 0 0 0
[  429.379254]  ? lock_downgrade+0x900/0x900
[  429.408209] 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
[  429.413063]  ? trace_hardirqs_off+0xb8/0x310
[  429.416847] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  429.420995]  ? trace_hardirqs_off+0xb8/0x310
[  429.434492] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  429.438940]  __alloc_pages_slowpath+0x26e8/0x2e10
[  429.454439] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.458865]  ? warn_alloc+0x120/0x120
[  429.472958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.477822]  ? warn_alloc+0x120/0x120
[  429.486637] 2335 total pagecache pages
[  429.490447]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.499003] 0 pages in swap cache
[  429.502798]  ? warn_alloc+0x120/0x120
[  429.506657] Swap cache stats: add 0, delete 0, find 0/0
[  429.511670]  ? print_usage_bug+0xc0/0xc0
[  429.515096] Free swap  = 0kB
[  429.518937]  ? print_usage_bug+0xc0/0xc0
[  429.524275] Total swap = 0kB
[  429.528355]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.531346] 1965979 pages RAM
[  429.535415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.538397] 0 pages HighMem/MovableOnly
[  429.543588]  ? should_fail+0x22d/0xd01
[  429.546661] 342853 pages reserved
[  429.546670] 0 pages cma reserved
[  429.552211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.556242] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.560066]  ? __lock_acquire+0x62f/0x4c20
[  429.563564] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.566866]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.571952] syz-fuzzer cpuset=/ mems_allowed=0
[  429.578440]  ? should_fail+0x22d/0xd01
[  429.606427]  ? mark_held_locks+0x130/0x130
[  429.610679]  ? mark_held_locks+0x130/0x130
[  429.614917]  ? print_usage_bug+0xc0/0xc0
[  429.618987]  ? find_held_lock+0x36/0x1c0
[  429.623055]  ? zap_class+0x640/0x640
[  429.626788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.632347]  ? check_preemption_disabled+0x48/0x280
[  429.637378]  ? __lock_is_held+0xb5/0x140
[  429.641453]  __alloc_pages_nodemask+0xa80/0xde0
[  429.646129]  ? zap_class+0x640/0x640
[  429.649852]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  429.654888]  ? find_held_lock+0x36/0x1c0
[  429.658971]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.663647]  ? lock_downgrade+0x900/0x900
[  429.667807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.673361]  cache_grow_begin+0xa5/0x8c0
[  429.677429]  ? do_raw_spin_unlock+0xa7/0x330
[  429.681848]  fallback_alloc+0x204/0x2e0
[  429.685838]  ____cache_alloc_node+0x1c7/0x1e0
[  429.690352]  kmem_cache_alloc_node+0xe3/0x730
[  429.694867]  ? mark_held_locks+0xc7/0x130
[  429.699033]  __alloc_skb+0x119/0x770
[  429.702767]  ? netdev_alloc_frag+0x1f0/0x1f0
[  429.707180]  ? do_raw_spin_trylock+0x270/0x270
[  429.711771]  ? kmem_cache_alloc_trace+0x353/0x750
[  429.716640]  ? queue_work_on+0x12c/0x1e0
[  429.720737]  ? switchdev_port_obj_del+0xdc/0x440
[  429.725505]  ? switchdev_trans_item_enqueue+0x260/0x260
[  429.730880]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  429.735915]  __br_mdb_notify+0x4ff/0x15d0
[  429.740074]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  429.745199]  ? __br_mdb_add+0x7f0/0x7f0
[  429.749190]  ? mark_held_locks+0x130/0x130
[  429.753449]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  429.758574]  ? debug_object_assert_init+0x368/0x4b0
[  429.763600]  ? debug_object_init_on_stack+0x20/0x20
[  429.768636]  ? zap_class+0x640/0x640
[  429.772363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.777910]  br_mdb_notify+0x310/0x410
[  429.781815]  ? br_mdb_dump+0x27b0/0x27b0
[  429.785898]  br_multicast_del_pg+0x3df/0x790
[  429.790325]  ? br_mdb_ip_get+0x940/0x940
[  429.794396]  ? rwlock_bug.part.2+0x90/0x90
[  429.798648]  ? __lock_is_held+0xb5/0x140
[  429.802720]  br_multicast_port_group_expired+0x189/0x1e0
[  429.808181]  call_timer_fn+0x272/0x920
[  429.812076]  ? br_multicast_del_pg+0x790/0x790
[  429.816661]  ? process_timeout+0x40/0x40
[  429.820737]  ? __run_timers+0x7da/0xc70
[  429.824722]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.829219]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.833719]  ? br_multicast_del_pg+0x790/0x790
[  429.838318]  ? lockdep_hardirqs_on+0x296/0x5b0
[  429.842908]  ? trace_hardirqs_on+0xbd/0x310
[  429.847250]  ? kasan_check_read+0x11/0x20
[  429.851400]  ? __run_timers+0x7da/0xc70
[  429.855389]  ? trace_hardirqs_off_caller+0x310/0x310
[  429.860509]  ? br_multicast_del_pg+0x790/0x790
[  429.865104]  ? br_multicast_del_pg+0x790/0x790
[  429.869689]  __run_timers+0x7e5/0xc70
[  429.873507]  ? timer_fixup_init+0x70/0x70
[  429.877672]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.882708]  ? zap_class+0x640/0x640
[  429.886432]  ? enqueue_hrtimer+0x1a5/0x560
[  429.890672]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.895879]  ? find_held_lock+0x36/0x1c0
[  429.899947]  ? zap_class+0x640/0x640
[  429.903669]  ? pvclock_read_flags+0x160/0x160
[  429.908170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.913712]  ? check_preemption_disabled+0x48/0x280
[  429.918742]  ? __lock_is_held+0xb5/0x140
[  429.922813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.928361]  ? check_preemption_disabled+0x48/0x280
[  429.933387]  run_timer_softirq+0x52/0xb0
[  429.937458]  ? rcu_read_lock_sched_held+0x14f/0x180
[  429.942482]  __do_softirq+0x308/0xb7e
[  429.946290]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  429.950801]  ? lock_downgrade+0x900/0x900
[  429.954958]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  429.960088]  ? pvclock_read_flags+0x160/0x160
[  429.964595]  ? lapic_next_event+0x5a/0x90
[  429.968754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.974304]  ? kvm_clock_read+0x18/0x30
[  429.978324]  ? kvm_sched_clock_read+0x9/0x20
[  429.982745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.988288]  ? check_preemption_disabled+0x48/0x280
[  429.993330]  irq_exit+0x17f/0x1c0
[  429.996794]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.001643]  ? smp_reschedule_interrupt+0x109/0x650
[  430.006669]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.012558]  ? interrupt_entry+0xb5/0xc0
[  430.016636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.021658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.026686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.031547]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.036572]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.041598]  ? task_prio+0x50/0x50
[  430.045147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.050699]  ? check_preemption_disabled+0x48/0x280
[  430.055733]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.060600]  apic_timer_interrupt+0xf/0x20
[  430.064834]  </IRQ>
[  430.067083] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.072023] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  430.090951] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.098679] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.105969] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  430.113259] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  430.120572] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.127873] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  430.135213]  skb_clone+0x1bb/0x500
[  430.138778]  ? finish_task_switch+0x2f4/0x910
[  430.143298]  ? skb_split+0x11e0/0x11e0
[  430.147226]  ? preempt_notifier_register+0x200/0x200
[  430.152355]  ? __switch_to_asm+0x34/0x70
[  430.156438]  ? __switch_to_asm+0x34/0x70
[  430.160505]  ? __switch_to_asm+0x40/0x70
[  430.164569]  ? __switch_to_asm+0x34/0x70
[  430.168633]  ? __switch_to_asm+0x40/0x70
[  430.172694]  ? __switch_to_asm+0x34/0x70
[  430.176767]  ? __switch_to_asm+0x40/0x70
[  430.180827]  ? __switch_to_asm+0x34/0x70
[  430.184897]  ? __switch_to_asm+0x34/0x70
[  430.188961]  ? __switch_to_asm+0x40/0x70
[  430.193023]  ? __switch_to_asm+0x34/0x70
[  430.197098]  bpf_clone_redirect+0xb9/0x490
[  430.201609]  ? __schedule+0x8d7/0x21d0
[  430.205510]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  430.210547]  ? __sched_text_start+0x8/0x8
[  430.214710]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  430.219482]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  430.224076]  ? retint_kernel+0x2d/0x2d
[  430.227981]  ? find_held_lock+0x36/0x1c0
[  430.232057]  ? lock_acquire+0x1ed/0x520
[  430.236043]  ? bpf_test_run+0x3cb/0x780
[  430.240033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.245587]  ? check_preemption_disabled+0x48/0x280
[  430.250639]  ? kasan_check_read+0x11/0x20
[  430.254801]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.260096]  ? rcu_softirq_qs+0x20/0x20
[  430.264084]  ? preempt_schedule+0x4d/0x60
[  430.268239]  ? ___preempt_schedule+0x16/0x18
[  430.272663]  ? bpf_test_run+0x25d/0x780
[  430.276655]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.281112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.286653]  ? bpf_test_init.isra.10+0x70/0x100
[  430.291341]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  430.296113]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.300962]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.306503]  ? fput+0x130/0x1a0
[  430.309797]  ? __bpf_prog_get+0x9b/0x290
[  430.313867]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  430.318710]  ? bpf_prog_test_run+0x130/0x1a0
[  430.323124]  ? __x64_sys_bpf+0x3d8/0x520
[  430.327190]  ? bpf_prog_get+0x20/0x20
[  430.331013]  ? do_syscall_64+0x1b9/0x820
[  430.335078]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.340447]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.345386]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.350241]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.355261]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.360284]  ? prepare_exit_to_usermode+0x291/0x3b0
[  430.365323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.370178]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.375564] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  430.375841] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.382534] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.393007] syz-executor1 cpuset=syz1 mems_allowed=0
[  430.402343] Call Trace:
[  430.402355]  <IRQ>
[  430.402378]  dump_stack+0x244/0x39d
[  430.415944]  ? dump_stack_print_info.cold.1+0x20/0x20
[  430.421154]  warn_alloc.cold.116+0xb7/0x1bd
[  430.425496]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.430373]  ? lock_downgrade+0x900/0x900
[  430.434536]  ? trace_hardirqs_off+0xb8/0x310
[  430.438954]  ? trace_hardirqs_off+0xb8/0x310
[  430.443377]  __alloc_pages_slowpath+0x26e8/0x2e10
[  430.448254]  ? warn_alloc+0x120/0x120
[  430.452061]  ? print_usage_bug+0xc0/0xc0
[  430.456128]  ? warn_alloc+0x120/0x120
[  430.459941]  ? warn_alloc+0x120/0x120
[  430.463746]  ? print_usage_bug+0xc0/0xc0
[  430.467815]  ? print_usage_bug+0xc0/0xc0
[  430.471895]  ? __lock_acquire+0x62f/0x4c20
[  430.476143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.481701]  ? should_fail+0x22d/0xd01
[  430.485602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.490709]  ? __lock_acquire+0x62f/0x4c20
[  430.494954]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.500056]  ? __lock_acquire+0x62f/0x4c20
[  430.504291]  ? should_fail+0x22d/0xd01
[  430.508195]  ? find_held_lock+0x36/0x1c0
[  430.512266]  ? mark_held_locks+0x130/0x130
[  430.516512]  ? mark_held_locks+0x130/0x130
[  430.520746]  ? zap_class+0x640/0x640
[  430.524466]  ? zap_class+0x640/0x640
[  430.528186]  ? print_usage_bug+0xc0/0xc0
[  430.532246]  ? do_raw_spin_unlock+0xa7/0x330
[  430.536660]  ? zap_class+0x640/0x640
[  430.540380]  ? print_usage_bug+0xc0/0xc0
[  430.544444]  ? wq_watchdog_touch+0x9c/0xfe
[  430.548686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.554230]  ? check_preemption_disabled+0x48/0x280
[  430.559259]  ? __lock_is_held+0xb5/0x140
[  430.563340]  __alloc_pages_nodemask+0xa80/0xde0
[  430.568018]  ? zap_class+0x640/0x640
[  430.571757]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  430.576807]  ? find_held_lock+0x36/0x1c0
[  430.580909]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.585588]  ? lock_downgrade+0x900/0x900
[  430.589748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.595298]  cache_grow_begin+0xa5/0x8c0
[  430.599372]  ? do_raw_spin_unlock+0xa7/0x330
[  430.603790]  fallback_alloc+0x204/0x2e0
[  430.607776]  ____cache_alloc_node+0x1c7/0x1e0
[  430.612278]  kmem_cache_alloc_node+0xe3/0x730
[  430.616785]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.621034]  __alloc_skb+0x119/0x770
[  430.624752]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  430.630041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  430.634506]  ? lock_downgrade+0x900/0x900
[  430.638684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.644232]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.649699]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.655154]  ? addrconf_rs_timer+0x690/0x690
[  430.659582]  ndisc_alloc_skb+0x144/0x340
[  430.663656]  ndisc_send_rs+0x331/0x6e0
[  430.667551]  addrconf_rs_timer+0x314/0x690
[  430.671799]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.676068]  call_timer_fn+0x272/0x920
[  430.679973]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.684212]  ? process_timeout+0x40/0x40
[  430.688290]  ? mark_held_locks+0xc7/0x130
[  430.692456]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.696959]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.701484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.705728]  ? lockdep_hardirqs_on+0x296/0x5b0
[  430.710326]  ? trace_hardirqs_on+0xbd/0x310
[  430.714654]  ? kasan_check_read+0x11/0x20
[  430.718808]  ? __run_timers+0x7da/0xc70
[  430.722788]  ? trace_hardirqs_off_caller+0x310/0x310
[  430.727904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.732188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.736458]  __run_timers+0x7e5/0xc70
[  430.740281]  ? timer_fixup_init+0x70/0x70
[  430.744441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.749465]  ? zap_class+0x640/0x640
[  430.753187]  ? print_usage_bug+0xc0/0xc0
[  430.757260]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.762462]  ? find_held_lock+0x36/0x1c0
[  430.766532]  ? zap_class+0x640/0x640
[  430.770258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.775829]  ? check_preemption_disabled+0x48/0x280
[  430.780871]  ? __lock_is_held+0xb5/0x140
[  430.784941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.790489]  ? check_preemption_disabled+0x48/0x280
[  430.795519]  run_timer_softirq+0x52/0xb0
[  430.799598]  ? rcu_read_lock_sched_held+0x14f/0x180
[  430.804629]  __do_softirq+0x308/0xb7e
[  430.808442]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  430.812944]  ? lock_downgrade+0x900/0x900
[  430.817099]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  430.822213]  ? pvclock_read_flags+0x160/0x160
[  430.826713]  ? lapic_next_event+0x5a/0x90
[  430.830864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.836411]  ? kvm_clock_read+0x18/0x30
[  430.840390]  ? kvm_sched_clock_read+0x9/0x20
[  430.844804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.850367]  ? check_preemption_disabled+0x48/0x280
[  430.855397]  irq_exit+0x17f/0x1c0
[  430.858864]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.864573]  ? smp_reschedule_interrupt+0x109/0x650
[  430.869605]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.875490]  ? interrupt_entry+0xb5/0xc0
[  430.879568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.884587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.889613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.894462]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.899480]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.904501]  ? task_prio+0x50/0x50
[  430.908045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.913587]  ? check_preemption_disabled+0x48/0x280
[  430.918618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.923474]  apic_timer_interrupt+0xf/0x20
[  430.927710]  </IRQ>
[  430.929951] RIP: 0010:console_unlock+0x102f/0x1190
[  430.934893] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  430.953813] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  430.961535] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  430.968819] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  430.976103] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  430.983375] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  430.990651] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  430.997947]  ? netconsole_netdev_event+0x280/0x280
[  431.002906]  ? console_unlock+0x1026/0x1190
[  431.007260]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  431.011931]  ? vprintk_emit+0x846/0x990
[  431.015924]  ? lock_release+0xa00/0xa00
[  431.019916]  ? trace_hardirqs_on+0x60/0x310
[  431.024240]  ? vprintk_default+0x28/0x30
[  431.028305]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.033431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.038980]  vprintk_emit+0x391/0x990
[  431.042787]  ? wake_up_klogd+0x180/0x180
[  431.046862]  ? find_held_lock+0x1/0x1c0
[  431.050850]  ? mark_held_locks+0xc7/0x130
[  431.055002]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.059498]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.064007]  vprintk_default+0x28/0x30
[  431.067900]  vprintk_func+0x7e/0x181
[  431.071624]  printk+0xa7/0xcf
[  431.074735]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  431.079497]  ? _raw_spin_unlock_irq+0x60/0x80
[  431.084008]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  431.089294]  dump_header+0x7cc/0xf72
[  431.093045]  ? pagefault_out_of_memory+0x197/0x197
[  431.098036]  ? __lock_acquire+0x62f/0x4c20
[  431.102278]  ? percpu_ref_get_many+0x240/0x240
[  431.106875]  ? print_usage_bug+0xc0/0xc0
[  431.110947]  ? zap_class+0x640/0x640
[  431.114666]  ? print_usage_bug+0xc0/0xc0
[  431.118736]  ? zap_class+0x640/0x640
[  431.122463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.128010]  ? find_held_lock+0x36/0x1c0
[  431.132083]  ? mark_held_locks+0xc7/0x130
[  431.136242]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.141350]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  431.146462]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.151052]  ? trace_hardirqs_on+0xbd/0x310
[  431.155380]  ? kasan_check_read+0x11/0x20
[  431.159534]  ? ___ratelimit+0x3b4/0x672
[  431.163518]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.168638]  ? trace_hardirqs_on+0x310/0x310
[  431.173056]  ? lock_downgrade+0x900/0x900
[  431.177243]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  431.182376]  ? ___ratelimit+0x3b9/0x672
[  431.186357]  ? idr_get_free+0xf70/0xf70
[  431.190340]  ? find_held_lock+0x36/0x1c0
[  431.194415]  oom_kill_process.cold.27+0x10/0x903
[  431.199180]  ? zap_class+0x640/0x640
[  431.202901]  ? check_preemption_disabled+0x48/0x280
[  431.207934]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.212867]  ? kasan_check_read+0x11/0x20
[  431.217028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.222319]  ? oom_evaluate_task+0x540/0x540
[  431.226736]  ? find_held_lock+0x36/0x1c0
[  431.230826]  ? out_of_memory+0x974/0x1430
[  431.234979]  ? lock_downgrade+0x900/0x900
[  431.239132]  ? check_preemption_disabled+0x48/0x280
[  431.244154]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.249091]  ? kasan_check_read+0x11/0x20
[  431.253244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.258524]  ? rcu_softirq_qs+0x20/0x20
[  431.262508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.268048]  ? oom_evaluate_task+0x302/0x540
[  431.272466]  out_of_memory+0xa84/0x1430
[  431.276474]  ? oom_killer_disable+0x3a0/0x3a0
[  431.280975]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  431.285930]  ? __ww_mutex_check_waiters+0x160/0x160
[  431.290992]  __alloc_pages_slowpath+0x2354/0x2e10
[  431.295880]  ? warn_alloc+0x120/0x120
[  431.299695]  ? mark_held_locks+0x130/0x130
[  431.303949]  ? find_get_entry+0xaae/0x1120
[  431.308201]  ? filemap_map_pages+0x1a20/0x1a20
[  431.312800]  ? zap_class+0x640/0x640
[  431.316531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.322083]  ? check_preemption_disabled+0x48/0x280
[  431.327110]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.333131]  ? should_fail+0x22d/0xd01
[  431.337030]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.342144]  ? zap_class+0x640/0x640
[  431.345894]  ? __lock_is_held+0xb5/0x140
[  431.349980]  ? mark_held_locks+0x130/0x130
[  431.354227]  ? lock_release+0xa00/0xa00
[  431.358211]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.363680]  ? xa_load+0x2ba/0x460
[  431.367230]  ? lock_downgrade+0x900/0x900
[  431.371390]  ? __might_sleep+0x95/0x190
[  431.375374]  __alloc_pages_nodemask+0xa80/0xde0
[  431.380053]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  431.385077]  ? __page_cache_alloc+0x191/0x5c0
[  431.389577]  ? xa_load+0x2e1/0x460
[  431.393131]  ? xa_clear_mark+0x40/0x40
[  431.397026]  ? zap_class+0x640/0x640
[  431.400757]  ? zap_class+0x640/0x640
[  431.404489]  ? zap_class+0x640/0x640
[  431.408208]  ? zap_class+0x640/0x640
[  431.411936]  ? __do_page_cache_readahead+0x663/0x810
[  431.417056]  ? find_held_lock+0x36/0x1c0
[  431.421138]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  431.426694]  alloc_pages_current+0x173/0x350
[  431.431120]  __page_cache_alloc+0x38c/0x5c0
[  431.435453]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.440425]  ? kasan_check_read+0x11/0x20
[  431.444596]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.449887]  ? generic_perform_write+0x6a0/0x6a0
[  431.454666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.460216]  ? check_preemption_disabled+0x48/0x280
[  431.465258]  filemap_fault+0x1595/0x25f0
[  431.469349]  ? __lock_page_or_retry+0xa00/0xa00
[  431.474040]  ? mark_held_locks+0x130/0x130
[  431.478329]  ? filemap_map_pages+0xd6b/0x1a20
[  431.482864]  ? lock_downgrade+0x900/0x900
[  431.487025]  ? check_preemption_disabled+0x48/0x280
[  431.492052]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.496992]  ? kasan_check_read+0x11/0x20
[  431.501150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.506442]  ? rcu_softirq_qs+0x20/0x20
[  431.510446]  ? filemap_map_pages+0xd92/0x1a20
[  431.514961]  ? queue_work_on+0x12c/0x1e0
[  431.519044]  ? find_get_entries_tag+0x1400/0x1400
[  431.523900]  ? debug_object_destroy+0x2b0/0x2b0
[  431.528583]  ? lock_pi_update_atomic+0x150/0x150
[  431.533358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.538925]  ? lock_acquire+0x1ed/0x520
[  431.542908]  ? ext4_filemap_fault+0x7a/0xad
[  431.547247]  ? lock_release+0xa00/0xa00
[  431.551242]  ? perf_trace_sched_process_exec+0x860/0x860
[  431.556701]  ? print_usage_bug+0xc0/0xc0
[  431.560768]  ? print_usage_bug+0xc0/0xc0
[  431.564847]  ? down_read+0x8d/0x120
[  431.568480]  ? ext4_filemap_fault+0x7a/0xad
[  431.572810]  ? __down_interruptible+0x700/0x700
[  431.577525]  ext4_filemap_fault+0x82/0xad
[  431.581678]  __do_fault+0x100/0x6b0
[  431.585321]  ? find_held_lock+0x36/0x1c0
[  431.589394]  ? pmd_devmap_trans_unstable+0x220/0x220
[  431.594534]  ? mark_held_locks+0x130/0x130
[  431.598776]  ? mark_held_locks+0x130/0x130
[  431.603026]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.607536]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.612038]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  431.616653]  ? kasan_check_read+0x11/0x20
[  431.620817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.626370]  __handle_mm_fault+0x3ea0/0x5be0
[  431.630796]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  431.635658]  ? finish_task_switch+0x1f4/0x910
[  431.640158]  ? finish_task_switch+0x1b4/0x910
[  431.644662]  ? __switch_to_asm+0x34/0x70
[  431.648741]  ? preempt_notifier_register+0x200/0x200
[  431.653868]  ? __switch_to_asm+0x34/0x70
[  431.657945]  ? __switch_to_asm+0x34/0x70
[  431.662032]  ? zap_class+0x640/0x640
[  431.665756]  ? zap_class+0x640/0x640
[  431.669481]  ? __x64_sys_futex+0x53e/0x6a0
[  431.673727]  ? find_held_lock+0x36/0x1c0
[  431.677829]  ? handle_mm_fault+0x42a/0xc70
[  431.682068]  ? lock_downgrade+0x900/0x900
[  431.686223]  ? check_preemption_disabled+0x48/0x280
[  431.691246]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  431.696184]  ? kasan_check_read+0x11/0x20
[  431.700349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  431.705633]  ? rcu_softirq_qs+0x20/0x20
[  431.709612]  ? trace_hardirqs_off_caller+0x310/0x310
[  431.714735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.720285]  ? check_preemption_disabled+0x48/0x280
[  431.725350]  handle_mm_fault+0x54f/0xc70
[  431.729430]  ? __handle_mm_fault+0x5be0/0x5be0
[  431.734036]  ? find_vma+0x34/0x190
[  431.737590]  __do_page_fault+0x5e8/0xe60
[  431.741658]  ? trace_hardirqs_off+0xb8/0x310
[  431.746090]  do_page_fault+0xf2/0x7e0
[  431.749908]  ? vmalloc_sync_all+0x30/0x30
[  431.754070]  ? error_entry+0x70/0xd0
[  431.757798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  431.762821]  ? trace_hardirqs_on_caller+0xc0/0x310
[  431.767761]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.772696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.777547]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.782570]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.788036]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.793070]  ? page_fault+0x8/0x30
[  431.796629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.801492]  ? page_fault+0x8/0x30
[  431.805041]  page_fault+0x1e/0x30
[  431.808498] RIP: 0033:0x45ddf3
[  431.811722] Code: Bad RIP value.
[  431.815083] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  431.820449] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  431.827717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  431.834986] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  431.842257] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  431.849532] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  431.856832] warn_alloc_show_mem: 1 callbacks suppressed
[  431.856844] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  431.856847] Mem-Info:
[  431.856878] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  431.856878]  active_file:15 inactive_file:15 isolated_file:0
[  431.856878]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.856878]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  431.856878]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  431.856878]  free:13750 free_pcp:296 free_cma:0
[  431.862237] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.869520] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.871924] Call Trace:
[  431.904982] 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
[  431.914357]  <IRQ>
[  431.941875] lowmem_reserve[]: 0 2818 6321 6321
[  431.944476]  dump_stack+0x244/0x39d
[  431.970573] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  431.972741]  ? dump_stack_print_info.cold.1+0x20/0x20
[  431.977283] lowmem_reserve[]: 0 0 3503 3503
[  431.980927]  warn_alloc.cold.116+0xb7/0x1bd
[  432.008412] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  432.013627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.017937] lowmem_reserve[]: 0 0 0 0
[  432.022269]  ? lock_downgrade+0x900/0x900
[  432.051228] 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
[  432.056083]  ? trace_hardirqs_off+0xb8/0x310
[  432.059845] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  432.064012]  ? trace_hardirqs_off+0xb8/0x310
[  432.077534] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  432.081956]  __alloc_pages_slowpath+0x26e8/0x2e10
[  432.097480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.101913]  ? warn_alloc+0x120/0x120
[  432.116017] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.120868]  ? warn_alloc+0x120/0x120
[  432.129672] 2335 total pagecache pages
[  432.133481]  ? print_usage_bug+0xc0/0xc0
[  432.142035] 0 pages in swap cache
[  432.145844]  ? warn_alloc+0x120/0x120
[  432.149699] Swap cache stats: add 0, delete 0, find 0/0
[  432.149708] Free swap  = 0kB
[  432.153774]  ? print_usage_bug+0xc0/0xc0
[  432.157199] Total swap = 0kB
[  432.161005]  ? print_usage_bug+0xc0/0xc0
[  432.166342] 1965979 pages RAM
[  432.169375]  ? print_usage_bug+0xc0/0xc0
[  432.173407] 0 pages HighMem/MovableOnly
[  432.176445]  ? print_usage_bug+0xc0/0xc0
[  432.180483] 342853 pages reserved
[  432.183591]  ? __lock_acquire+0x62f/0x4c20
[  432.187634] 0 pages cma reserved
[  432.191604]  ? __lock_acquire+0x62f/0x4c20
[  432.195722] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.199518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.203811] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.207102]  ? should_fail+0x22d/0xd01
[  432.211315] syz-fuzzer cpuset=/ mems_allowed=0
[  432.217817]  ? print_usage_bug+0xc0/0xc0
[  432.246079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.251189]  ? __lock_acquire+0x62f/0x4c20
[  432.255436]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  432.260555]  ? should_fail+0x22d/0xd01
[  432.264448]  ? __lock_acquire+0x62f/0x4c20
[  432.268701]  ? mark_held_locks+0x130/0x130
[  432.272943]  ? mark_held_locks+0x130/0x130
[  432.277178]  ? mark_held_locks+0x130/0x130
[  432.281428]  ? zap_class+0x640/0x640
[  432.285145]  ? mark_held_locks+0x130/0x130
[  432.289390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.294943]  ? check_preemption_disabled+0x48/0x280
[  432.299977]  ? __lock_is_held+0xb5/0x140
[  432.304049]  __alloc_pages_nodemask+0xa80/0xde0
[  432.308722]  ? zap_class+0x640/0x640
[  432.312449]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  432.317485]  ? find_held_lock+0x36/0x1c0
[  432.321564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.326263]  ? lock_downgrade+0x900/0x900
[  432.330431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.335981]  cache_grow_begin+0xa5/0x8c0
[  432.340058]  ? do_raw_spin_unlock+0xa7/0x330
[  432.344483]  fallback_alloc+0x204/0x2e0
[  432.348468]  ____cache_alloc_node+0x1c7/0x1e0
[  432.352972]  kmem_cache_alloc_node+0xe3/0x730
[  432.357480]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.362080]  __alloc_skb+0x119/0x770
[  432.365809]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  432.371182]  ? netdev_alloc_frag+0x1f0/0x1f0
[  432.375634]  ? lock_acquire+0x1ed/0x520
[  432.379607]  ? aoecmd_cfg+0x108/0x7f0
[  432.383421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.388966]  ? check_preemption_disabled+0x48/0x280
[  432.393994]  ? kasan_check_read+0x11/0x20
[  432.398150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.403437]  ? rcu_softirq_qs+0x20/0x20
[  432.407420]  ? do_raw_spin_trylock+0x270/0x270
[  432.412010]  new_skb+0x26/0x1c0
[  432.415297]  aoecmd_cfg+0x279/0x7f0
[  432.418939]  ? find_held_lock+0x36/0x1c0
[  432.423006]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  432.427348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.432894]  ? check_preemption_disabled+0x48/0x280
[  432.437924]  ? __lock_is_held+0xb5/0x140
[  432.442002]  discover_timer+0x50/0x60
[  432.445806]  call_timer_fn+0x272/0x920
[  432.449703]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.454553]  ? process_timeout+0x40/0x40
[  432.458628]  ? __run_timers+0x7da/0xc70
[  432.462611]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.467110]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.471614]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.476462]  ? lockdep_hardirqs_on+0x296/0x5b0
[  432.481049]  ? trace_hardirqs_on+0xbd/0x310
[  432.485383]  ? kasan_check_read+0x11/0x20
[  432.489544]  ? __run_timers+0x7da/0xc70
[  432.493528]  ? trace_hardirqs_off_caller+0x310/0x310
[  432.498653]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  432.503508]  __run_timers+0x7e5/0xc70
[  432.507335]  ? timer_fixup_init+0x70/0x70
[  432.511502]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.516556]  ? zap_class+0x640/0x640
[  432.520288]  ? enqueue_hrtimer+0x1a5/0x560
[  432.524542]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.529749]  ? find_held_lock+0x36/0x1c0
[  432.533822]  ? zap_class+0x640/0x640
[  432.537547]  ? pvclock_read_flags+0x160/0x160
[  432.542069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.547624]  ? check_preemption_disabled+0x48/0x280
[  432.552662]  ? __lock_is_held+0xb5/0x140
[  432.556749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.562296]  ? check_preemption_disabled+0x48/0x280
[  432.567433]  run_timer_softirq+0x52/0xb0
[  432.571504]  ? rcu_read_lock_sched_held+0x14f/0x180
[  432.576529]  __do_softirq+0x308/0xb7e
[  432.580351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  432.584868]  ? lock_downgrade+0x900/0x900
[  432.589034]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  432.594152]  ? pvclock_read_flags+0x160/0x160
[  432.598658]  ? lapic_next_event+0x5a/0x90
[  432.602821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.608377]  ? kvm_clock_read+0x18/0x30
[  432.612366]  ? kvm_sched_clock_read+0x9/0x20
[  432.616784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.622338]  ? check_preemption_disabled+0x48/0x280
[  432.627375]  irq_exit+0x17f/0x1c0
[  432.630836]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.635681]  ? smp_reschedule_interrupt+0x109/0x650
[  432.640702]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.646608]  ? interrupt_entry+0xb5/0xc0
[  432.650677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.655701]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.660735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.665590]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.670612]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.675667]  ? task_prio+0x50/0x50
[  432.679228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.684776]  ? check_preemption_disabled+0x48/0x280
[  432.689808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.694665]  apic_timer_interrupt+0xf/0x20
[  432.698896]  </IRQ>
[  432.701145] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  432.706080] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  432.724997] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.732720] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  432.740001] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  432.747275] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  432.754551] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  432.761824] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  432.769154]  skb_clone+0x1bb/0x500
[  432.772718]  ? finish_task_switch+0x2f4/0x910
[  432.777234]  ? skb_split+0x11e0/0x11e0
[  432.781143]  ? preempt_notifier_register+0x200/0x200
[  432.786261]  ? __switch_to_asm+0x34/0x70
[  432.790333]  ? __switch_to_asm+0x34/0x70
[  432.794393]  ? __switch_to_asm+0x40/0x70
[  432.798472]  ? __switch_to_asm+0x34/0x70
[  432.802532]  ? __switch_to_asm+0x40/0x70
[  432.806594]  ? __switch_to_asm+0x34/0x70
[  432.810653]  ? __switch_to_asm+0x40/0x70
[  432.814714]  ? __switch_to_asm+0x34/0x70
[  432.818779]  ? __switch_to_asm+0x34/0x70
[  432.822839]  ? __switch_to_asm+0x40/0x70
[  432.826897]  ? __switch_to_asm+0x34/0x70
[  432.830970]  bpf_clone_redirect+0xb9/0x490
[  432.835213]  ? __schedule+0x8d7/0x21d0
[  432.839108]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  432.844132]  ? __sched_text_start+0x8/0x8
[  432.848290]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  432.853065]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  432.857649]  ? retint_kernel+0x2d/0x2d
[  432.861564]  ? find_held_lock+0x36/0x1c0
[  432.865639]  ? lock_acquire+0x1ed/0x520
[  432.869618]  ? bpf_test_run+0x3cb/0x780
[  432.873632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.879189]  ? check_preemption_disabled+0x48/0x280
[  432.884218]  ? kasan_check_read+0x11/0x20
[  432.888371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  432.893651]  ? rcu_softirq_qs+0x20/0x20
[  432.897633]  ? preempt_schedule+0x4d/0x60
[  432.901786]  ? ___preempt_schedule+0x16/0x18
[  432.906206]  ? bpf_test_run+0x25d/0x780
[  432.910195]  ? netlink_diag_dump+0x2a0/0x2a0
[  432.914614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.920159]  ? bpf_test_init.isra.10+0x70/0x100
[  432.924837]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  432.929606]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.934453]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.939995]  ? fput+0x130/0x1a0
[  432.943285]  ? __bpf_prog_get+0x9b/0x290
[  432.947369]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  432.952241]  ? bpf_prog_test_run+0x130/0x1a0
[  432.956671]  ? __x64_sys_bpf+0x3d8/0x520
[  432.960739]  ? bpf_prog_get+0x20/0x20
[  432.964567]  ? do_syscall_64+0x1b9/0x820
[  432.968631]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  432.974005]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.978942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.983796]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.988820]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.993840]  ? prepare_exit_to_usermode+0x291/0x3b0
[  432.998868]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.003721]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  433.009105] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  433.009220] aoe: skb alloc failure
[  433.016033] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  433.016038] Call Trace:
[  433.016046]  <IRQ>
[  433.016064]  dump_stack+0x244/0x39d
[  433.016087]  ? dump_stack_print_info.cold.1+0x20/0x20
[  433.019642] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  433.028968]  warn_alloc.cold.116+0xb7/0x1bd
[  433.031519] syz-executor1 cpuset=syz1 mems_allowed=0
[  433.033667]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  433.067190]  ? lock_downgrade+0x900/0x900
[  433.071377]  ? trace_hardirqs_off+0xb8/0x310
[  433.075800]  ? trace_hardirqs_off+0xb8/0x310
[  433.080228]  __alloc_pages_slowpath+0x26e8/0x2e10
[  433.085106]  ? warn_alloc+0x120/0x120
[  433.088920]  ? print_usage_bug+0xc0/0xc0
[  433.092998]  ? warn_alloc+0x120/0x120
[  433.096811]  ? warn_alloc+0x120/0x120
[  433.100625]  ? print_usage_bug+0xc0/0xc0
[  433.104700]  ? print_usage_bug+0xc0/0xc0
[  433.108769]  ? __lock_acquire+0x62f/0x4c20
[  433.113013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.118558]  ? should_fail+0x22d/0xd01
[  433.122455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.127560]  ? __lock_acquire+0x62f/0x4c20
[  433.131820]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.136932]  ? __lock_acquire+0x62f/0x4c20
[  433.141166]  ? should_fail+0x22d/0xd01
[  433.145055]  ? find_held_lock+0x36/0x1c0
[  433.149134]  ? mark_held_locks+0x130/0x130
[  433.153376]  ? mark_held_locks+0x130/0x130
[  433.157610]  ? zap_class+0x640/0x640
[  433.161336]  ? zap_class+0x640/0x640
[  433.165055]  ? print_usage_bug+0xc0/0xc0
[  433.169116]  ? do_raw_spin_unlock+0xa7/0x330
[  433.173526]  ? zap_class+0x640/0x640
[  433.177246]  ? print_usage_bug+0xc0/0xc0
[  433.181307]  ? wq_watchdog_touch+0x9c/0xfe
[  433.185557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.191108]  ? check_preemption_disabled+0x48/0x280
[  433.196140]  ? __lock_is_held+0xb5/0x140
[  433.200211]  __alloc_pages_nodemask+0xa80/0xde0
[  433.204895]  ? zap_class+0x640/0x640
[  433.208619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  433.213652]  ? find_held_lock+0x36/0x1c0
[  433.217731]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.222406]  ? lock_downgrade+0x900/0x900
[  433.226570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.232115]  cache_grow_begin+0xa5/0x8c0
[  433.236183]  ? do_raw_spin_unlock+0xa7/0x330
[  433.240609]  fallback_alloc+0x204/0x2e0
[  433.244592]  ____cache_alloc_node+0x1c7/0x1e0
[  433.249095]  kmem_cache_alloc_node+0xe3/0x730
[  433.253594]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.257844]  __alloc_skb+0x119/0x770
[  433.261558]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.266843]  ? netdev_alloc_frag+0x1f0/0x1f0
[  433.271259]  ? lock_downgrade+0x900/0x900
[  433.275416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.280959]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.286418]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.291873]  ? addrconf_rs_timer+0x690/0x690
[  433.296395]  ndisc_alloc_skb+0x144/0x340
[  433.300471]  ndisc_send_rs+0x331/0x6e0
[  433.304371]  addrconf_rs_timer+0x314/0x690
[  433.308612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.312865]  call_timer_fn+0x272/0x920
[  433.316758]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.320998]  ? process_timeout+0x40/0x40
[  433.325073]  ? mark_held_locks+0xc7/0x130
[  433.329227]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.334236]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.338752]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.342996]  ? lockdep_hardirqs_on+0x296/0x5b0
[  433.347585]  ? trace_hardirqs_on+0xbd/0x310
[  433.351917]  ? kasan_check_read+0x11/0x20
[  433.356069]  ? __run_timers+0x7da/0xc70
[  433.360045]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.365157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.369400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.373646]  __run_timers+0x7e5/0xc70
[  433.377471]  ? timer_fixup_init+0x70/0x70
[  433.381633]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.386656]  ? zap_class+0x640/0x640
[  433.390404]  ? print_usage_bug+0xc0/0xc0
[  433.394473]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.399674]  ? find_held_lock+0x36/0x1c0
[  433.403750]  ? zap_class+0x640/0x640
[  433.407521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.413067]  ? check_preemption_disabled+0x48/0x280
[  433.418099]  ? __lock_is_held+0xb5/0x140
[  433.422169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.427715]  ? check_preemption_disabled+0x48/0x280
[  433.432741]  run_timer_softirq+0x52/0xb0
[  433.436811]  ? rcu_read_lock_sched_held+0x14f/0x180
[  433.441833]  __do_softirq+0x308/0xb7e
[  433.445642]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  433.450144]  ? lock_downgrade+0x900/0x900
[  433.454301]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  433.459433]  ? pvclock_read_flags+0x160/0x160
[  433.463941]  ? lapic_next_event+0x5a/0x90
[  433.468098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.473660]  ? kvm_clock_read+0x18/0x30
[  433.477650]  ? kvm_sched_clock_read+0x9/0x20
[  433.482058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.487613]  ? check_preemption_disabled+0x48/0x280
[  433.492643]  irq_exit+0x17f/0x1c0
[  433.496108]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.500967]  ? smp_reschedule_interrupt+0x109/0x650
[  433.505986]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.511874]  ? interrupt_entry+0xb5/0xc0
[  433.515949]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.520977]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.526003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.530851]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.535876]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.540910]  ? task_prio+0x50/0x50
[  433.544474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.550018]  ? check_preemption_disabled+0x48/0x280
[  433.555046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.559902]  apic_timer_interrupt+0xf/0x20
[  433.564137]  </IRQ>
[  433.566412] RIP: 0010:console_unlock+0x102f/0x1190
[  433.571351] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  433.590255] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  433.597964] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  433.605234] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  433.612504] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  433.619771] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  433.627038] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  433.634333]  ? netconsole_netdev_event+0x280/0x280
[  433.639275]  ? console_unlock+0x1026/0x1190
[  433.643628]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  433.648298]  ? vprintk_emit+0x846/0x990
[  433.652292]  ? lock_release+0xa00/0xa00
[  433.656282]  ? trace_hardirqs_on+0x60/0x310
[  433.660614]  ? vprintk_default+0x28/0x30
[  433.664685]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.669801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.675440]  vprintk_emit+0x391/0x990
[  433.679250]  ? wake_up_klogd+0x180/0x180
[  433.683337]  ? find_held_lock+0x1/0x1c0
[  433.687337]  ? mark_held_locks+0xc7/0x130
[  433.691517]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.696019]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.700533]  vprintk_default+0x28/0x30
[  433.704469]  vprintk_func+0x7e/0x181
[  433.708197]  printk+0xa7/0xcf
[  433.711321]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  433.716089]  ? _raw_spin_unlock_irq+0x60/0x80
[  433.720615]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  433.725922]  dump_header+0x7cc/0xf72
[  433.729664]  ? pagefault_out_of_memory+0x197/0x197
[  433.734616]  ? __lock_acquire+0x62f/0x4c20
[  433.738862]  ? percpu_ref_get_many+0x240/0x240
[  433.743461]  ? print_usage_bug+0xc0/0xc0
[  433.747543]  ? zap_class+0x640/0x640
[  433.751270]  ? print_usage_bug+0xc0/0xc0
[  433.755344]  ? zap_class+0x640/0x640
[  433.759078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.764634]  ? find_held_lock+0x36/0x1c0
[  433.768720]  ? mark_held_locks+0xc7/0x130
[  433.772883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.777988]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  433.783096]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  433.787697]  ? trace_hardirqs_on+0xbd/0x310
[  433.792036]  ? kasan_check_read+0x11/0x20
[  433.796199]  ? ___ratelimit+0x3b4/0x672
[  433.800190]  ? trace_hardirqs_off_caller+0x310/0x310
[  433.805305]  ? trace_hardirqs_on+0x310/0x310
[  433.809757]  ? lock_downgrade+0x900/0x900
[  433.813938]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  433.819063]  ? ___ratelimit+0x3b9/0x672
[  433.823063]  ? idr_get_free+0xf70/0xf70
[  433.827059]  ? find_held_lock+0x36/0x1c0
[  433.831146]  oom_kill_process.cold.27+0x10/0x903
[  433.835931]  ? zap_class+0x640/0x640
[  433.839659]  ? check_preemption_disabled+0x48/0x280
[  433.844693]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.849645]  ? kasan_check_read+0x11/0x20
[  433.853807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.859104]  ? oom_evaluate_task+0x540/0x540
[  433.863534]  ? find_held_lock+0x36/0x1c0
[  433.867619]  ? out_of_memory+0x974/0x1430
[  433.871788]  ? lock_downgrade+0x900/0x900
[  433.875963]  ? check_preemption_disabled+0x48/0x280
[  433.881005]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  433.885950]  ? kasan_check_read+0x11/0x20
[  433.890109]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  433.895402]  ? rcu_softirq_qs+0x20/0x20
[  433.899397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.904962]  ? oom_evaluate_task+0x302/0x540
[  433.909389]  out_of_memory+0xa84/0x1430
[  433.913445]  ? oom_killer_disable+0x3a0/0x3a0
[  433.917959]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  433.922902]  ? __ww_mutex_check_waiters+0x160/0x160
[  433.927973]  __alloc_pages_slowpath+0x2354/0x2e10
[  433.932863]  ? warn_alloc+0x120/0x120
[  433.936681]  ? mark_held_locks+0x130/0x130
[  433.940939]  ? find_get_entry+0xaae/0x1120
[  433.945203]  ? filemap_map_pages+0x1a20/0x1a20
[  433.949830]  ? zap_class+0x640/0x640
[  433.953578]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.959144]  ? check_preemption_disabled+0x48/0x280
[  433.964180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.969753]  ? should_fail+0x22d/0xd01
[  433.973680]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.978787]  ? zap_class+0x640/0x640
[  433.982553]  ? __lock_is_held+0xb5/0x140
[  433.986645]  ? mark_held_locks+0x130/0x130
[  433.990889]  ? lock_release+0xa00/0xa00
[  433.994876]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.000362]  ? xa_load+0x2ba/0x460
[  434.003930]  ? lock_downgrade+0x900/0x900
[  434.008099]  ? __might_sleep+0x95/0x190
[  434.012093]  __alloc_pages_nodemask+0xa80/0xde0
[  434.016780]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.021809]  ? __page_cache_alloc+0x191/0x5c0
[  434.026329]  ? xa_load+0x2e1/0x460
[  434.029882]  ? xa_clear_mark+0x40/0x40
[  434.033781]  ? zap_class+0x640/0x640
[  434.037516]  ? zap_class+0x640/0x640
[  434.041248]  ? zap_class+0x640/0x640
[  434.044971]  ? zap_class+0x640/0x640
[  434.048699]  ? __do_page_cache_readahead+0x663/0x810
[  434.053819]  ? find_held_lock+0x36/0x1c0
[  434.057897]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  434.063463]  alloc_pages_current+0x173/0x350
[  434.067901]  __page_cache_alloc+0x38c/0x5c0
[  434.072240]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.077171]  ? kasan_check_read+0x11/0x20
[  434.081390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.086685]  ? generic_perform_write+0x6a0/0x6a0
[  434.091458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.097020]  ? check_preemption_disabled+0x48/0x280
[  434.102057]  filemap_fault+0x1595/0x25f0
[  434.106139]  ? __lock_page_or_retry+0xa00/0xa00
[  434.110819]  ? mark_held_locks+0x130/0x130
[  434.115074]  ? filemap_map_pages+0xd6b/0x1a20
[  434.119588]  ? lock_downgrade+0x900/0x900
[  434.123748]  ? check_preemption_disabled+0x48/0x280
[  434.128779]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.133937]  ? kasan_check_read+0x11/0x20
[  434.138092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.143389]  ? rcu_softirq_qs+0x20/0x20
[  434.147397]  ? filemap_map_pages+0xd92/0x1a20
[  434.151918]  ? queue_work_on+0x12c/0x1e0
[  434.156000]  ? find_get_entries_tag+0x1400/0x1400
[  434.160857]  ? debug_object_destroy+0x2b0/0x2b0
[  434.165544]  ? lock_pi_update_atomic+0x150/0x150
[  434.170322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.175886]  ? lock_acquire+0x1ed/0x520
[  434.179866]  ? ext4_filemap_fault+0x7a/0xad
[  434.184206]  ? lock_release+0xa00/0xa00
[  434.188190]  ? perf_trace_sched_process_exec+0x860/0x860
[  434.193657]  ? print_usage_bug+0xc0/0xc0
[  434.197734]  ? print_usage_bug+0xc0/0xc0
[  434.202061]  ? down_read+0x8d/0x120
[  434.205690]  ? ext4_filemap_fault+0x7a/0xad
[  434.210031]  ? __down_interruptible+0x700/0x700
[  434.214720]  ext4_filemap_fault+0x82/0xad
[  434.218881]  __do_fault+0x100/0x6b0
[  434.222518]  ? find_held_lock+0x36/0x1c0
[  434.226590]  ? pmd_devmap_trans_unstable+0x220/0x220
[  434.231706]  ? mark_held_locks+0x130/0x130
[  434.235951]  ? mark_held_locks+0x130/0x130
[  434.240192]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.244691]  ? _raw_spin_unlock_irq+0x27/0x80
[  434.249198]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  434.253813]  ? kasan_check_read+0x11/0x20
[  434.257972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.263526]  __handle_mm_fault+0x3ea0/0x5be0
[  434.267956]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  434.272809]  ? finish_task_switch+0x1f4/0x910
[  434.277325]  ? finish_task_switch+0x1b4/0x910
[  434.281842]  ? __switch_to_asm+0x34/0x70
[  434.285928]  ? preempt_notifier_register+0x200/0x200
[  434.291033]  ? __switch_to_asm+0x34/0x70
[  434.295097]  ? __switch_to_asm+0x34/0x70
[  434.299181]  ? zap_class+0x640/0x640
[  434.302901]  ? zap_class+0x640/0x640
[  434.306627]  ? __x64_sys_futex+0x53e/0x6a0
[  434.310875]  ? find_held_lock+0x36/0x1c0
[  434.314963]  ? handle_mm_fault+0x42a/0xc70
[  434.319209]  ? lock_downgrade+0x900/0x900
[  434.323363]  ? check_preemption_disabled+0x48/0x280
[  434.328394]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  434.333349]  ? kasan_check_read+0x11/0x20
[  434.337504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  434.342787]  ? rcu_softirq_qs+0x20/0x20
[  434.346768]  ? trace_hardirqs_off_caller+0x310/0x310
[  434.351882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.357440]  ? check_preemption_disabled+0x48/0x280
[  434.362477]  handle_mm_fault+0x54f/0xc70
[  434.366548]  ? __handle_mm_fault+0x5be0/0x5be0
[  434.371142]  ? find_vma+0x34/0x190
[  434.374696]  __do_page_fault+0x5e8/0xe60
[  434.378766]  ? trace_hardirqs_off+0xb8/0x310
[  434.383191]  do_page_fault+0xf2/0x7e0
[  434.387004]  ? vmalloc_sync_all+0x30/0x30
[  434.391162]  ? error_entry+0x70/0xd0
[  434.394917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  434.399942]  ? trace_hardirqs_on_caller+0xc0/0x310
[  434.404882]  ? syscall_return_slowpath+0x5e0/0x5e0
[  434.409819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.414669]  ? trace_hardirqs_on_caller+0x310/0x310
[  434.419690]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  434.425162]  ? prepare_exit_to_usermode+0x291/0x3b0
[  434.430193]  ? page_fault+0x8/0x30
[  434.433739]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  434.438591]  ? page_fault+0x8/0x30
[  434.442137]  page_fault+0x1e/0x30
[  434.445609] RIP: 0033:0x45ddf3
[  434.448819] Code: Bad RIP value.
[  434.452180] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  434.457555] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  434.464829] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  434.472099] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  434.479386] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  434.486654] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  434.493958] warn_alloc_show_mem: 1 callbacks suppressed
[  434.493971] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  434.493973] Mem-Info:
[  434.494005] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  434.494005]  active_file:15 inactive_file:15 isolated_file:0
[  434.494005]  unevictable:0 dirty:0 writeback:0 unstable:0
[  434.494005]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  434.494005]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  434.494005]  free:13750 free_pcp:296 free_cma:0
[  434.499359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  434.506644] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  434.509061] Call Trace:
[  434.542121] 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
[  434.551486]  <IRQ>
[  434.578989] lowmem_reserve[]: 0 2818 6321 6321
[  434.581588]  dump_stack+0x244/0x39d
[  434.607691] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  434.609860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  434.614403] lowmem_reserve[]: 0 0 3503 3503
[  434.618056]  warn_alloc.cold.116+0xb7/0x1bd
[  434.645536] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  434.650743]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  434.655032] lowmem_reserve[]: 0 0 0 0
[  434.659365]  ? lock_downgrade+0x900/0x900
[  434.688332] 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
[  434.693216]  ? trace_hardirqs_off+0xb8/0x310
[  434.696980] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  434.701133]  ? trace_hardirqs_off+0xb8/0x310
[  434.714628] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  434.719046]  __alloc_pages_slowpath+0x26e8/0x2e10
[  434.734551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  434.738987]  ? warn_alloc+0x120/0x120
[  434.753075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  434.757922]  ? warn_alloc+0x120/0x120
[  434.766759] 2335 total pagecache pages
[  434.770575]  ? __lock_acquire+0x62f/0x4c20
[  434.779124] 0 pages in swap cache
[  434.782919]  ? warn_alloc+0x120/0x120
[  434.786791] Swap cache stats: add 0, delete 0, find 0/0
[  434.791019]  ? print_usage_bug+0xc0/0xc0
[  434.794444] Free swap  = 0kB
[  434.798244]  ? print_usage_bug+0xc0/0xc0
[  434.803581] Total swap = 0kB
[  434.807663]  ? mark_held_locks+0x130/0x130
[  434.810655] 1965979 pages RAM
[  434.814721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  434.817708] 0 pages HighMem/MovableOnly
[  434.817717] 342853 pages reserved
[  434.821959]  ? should_fail+0x22d/0xd01
[  434.825036] 0 pages cma reserved
[  434.830569]  ? zap_class+0x640/0x640
[  434.834607] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  434.837977]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.837995]  ? __lock_acquire+0x62f/0x4c20
[  434.838013]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  434.841983] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  434.845240]  ? should_fail+0x22d/0xd01
[  434.848932] syz-fuzzer cpuset=/ mems_allowed=0
[  434.855439]  ? mark_held_locks+0x130/0x130
[  434.892768]  ? mark_held_locks+0x130/0x130
[  434.897003]  ? lock_downgrade+0x900/0x900
[  434.901162]  ? zap_class+0x640/0x640
[  434.904883]  ? zap_class+0x640/0x640
[  434.908605]  ? zap_class+0x640/0x640
[  434.912326]  ? do_raw_spin_unlock+0xa7/0x330
[  434.916746]  ? trace_hardirqs_on+0x310/0x310
[  434.921157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.926701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.932244]  ? check_preemption_disabled+0x48/0x280
[  434.937274]  ? __lock_is_held+0xb5/0x140
[  434.941354]  __alloc_pages_nodemask+0xa80/0xde0
[  434.946040]  ? zap_class+0x640/0x640
[  434.949777]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  434.954821]  ? find_held_lock+0x36/0x1c0
[  434.958916]  ? ____cache_alloc_node+0x1c7/0x1e0
[  434.963596]  ? lock_downgrade+0x900/0x900
[  434.967756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  434.973305]  cache_grow_begin+0xa5/0x8c0
[  434.977376]  ? do_raw_spin_unlock+0xa7/0x330
[  434.981793]  fallback_alloc+0x204/0x2e0
[  434.985778]  ____cache_alloc_node+0x1c7/0x1e0
[  434.990281]  kmem_cache_alloc_node+0xe3/0x730
[  434.994792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  434.999391]  __alloc_skb+0x119/0x770
[  435.003112]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  435.008487]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.012909]  ? vprintk_default+0x28/0x30
[  435.016973]  ? vprintk_func+0x85/0x181
[  435.020867]  ? printk+0xa7/0xcf
[  435.024147]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  435.028909]  ? do_raw_spin_trylock+0x270/0x270
[  435.033502]  new_skb+0x26/0x1c0
[  435.036799]  aoecmd_cfg+0x279/0x7f0
[  435.040439]  ? find_held_lock+0x36/0x1c0
[  435.044505]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  435.048836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.054404]  ? __lock_is_held+0xb5/0x140
[  435.058498]  discover_timer+0x50/0x60
[  435.062301]  call_timer_fn+0x272/0x920
[  435.066206]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.071051]  ? process_timeout+0x40/0x40
[  435.075126]  ? __run_timers+0x7da/0xc70
[  435.079127]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.083625]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.088125]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.092974]  ? lockdep_hardirqs_on+0x296/0x5b0
[  435.097563]  ? trace_hardirqs_on+0xbd/0x310
[  435.101915]  ? kasan_check_read+0x11/0x20
[  435.106069]  ? __run_timers+0x7da/0xc70
[  435.110048]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.115166]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  435.120011]  __run_timers+0x7e5/0xc70
[  435.123828]  ? timer_fixup_init+0x70/0x70
[  435.127994]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  435.133014]  ? zap_class+0x640/0x640
[  435.136737]  ? enqueue_hrtimer+0x1a5/0x560
[  435.140977]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  435.146183]  ? find_held_lock+0x36/0x1c0
[  435.150256]  ? zap_class+0x640/0x640
[  435.153993]  ? pvclock_read_flags+0x160/0x160
[  435.158502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.164049]  ? check_preemption_disabled+0x48/0x280
[  435.169079]  ? __lock_is_held+0xb5/0x140
[  435.173148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.178690]  ? check_preemption_disabled+0x48/0x280
[  435.183715]  run_timer_softirq+0x52/0xb0
[  435.187783]  ? rcu_read_lock_sched_held+0x14f/0x180
[  435.192805]  __do_softirq+0x308/0xb7e
[  435.196617]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  435.201117]  ? lock_downgrade+0x900/0x900
[  435.205280]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  435.210426]  ? pvclock_read_flags+0x160/0x160
[  435.214929]  ? lapic_next_event+0x5a/0x90
[  435.219086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.224634]  ? kvm_clock_read+0x18/0x30
[  435.228611]  ? kvm_sched_clock_read+0x9/0x20
[  435.233027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.238572]  ? check_preemption_disabled+0x48/0x280
[  435.243600]  irq_exit+0x17f/0x1c0
[  435.247065]  smp_apic_timer_interrupt+0x1cb/0x760
[  435.251912]  ? smp_reschedule_interrupt+0x109/0x650
[  435.256935]  ? smp_call_function_single_interrupt+0x650/0x650
[  435.262834]  ? interrupt_entry+0xb5/0xc0
[  435.266905]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.271922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  435.276943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.281794]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.286813]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.291832]  ? task_prio+0x50/0x50
[  435.295379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.300930]  ? check_preemption_disabled+0x48/0x280
[  435.305961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.310826]  apic_timer_interrupt+0xf/0x20
[  435.315076]  </IRQ>
[  435.317329] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  435.322277] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  435.341330] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  435.349057] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  435.356336] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  435.363606] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  435.370886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  435.378153] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  435.385481]  skb_clone+0x1bb/0x500
[  435.389030]  ? finish_task_switch+0x2f4/0x910
[  435.393535]  ? skb_split+0x11e0/0x11e0
[  435.397472]  ? preempt_notifier_register+0x200/0x200
[  435.402583]  ? __switch_to_asm+0x34/0x70
[  435.406645]  ? __switch_to_asm+0x34/0x70
[  435.410705]  ? __switch_to_asm+0x40/0x70
[  435.414765]  ? __switch_to_asm+0x34/0x70
[  435.418836]  ? __switch_to_asm+0x40/0x70
[  435.422893]  ? __switch_to_asm+0x34/0x70
[  435.426956]  ? __switch_to_asm+0x40/0x70
[  435.431014]  ? __switch_to_asm+0x34/0x70
[  435.435079]  ? __switch_to_asm+0x34/0x70
[  435.439138]  ? __switch_to_asm+0x40/0x70
[  435.443196]  ? __switch_to_asm+0x34/0x70
[  435.447268]  bpf_clone_redirect+0xb9/0x490
[  435.451510]  ? __schedule+0x8d7/0x21d0
[  435.455404]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  435.460441]  ? __sched_text_start+0x8/0x8
[  435.464594]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  435.469357]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  435.473970]  ? retint_kernel+0x2d/0x2d
[  435.477860]  ? find_held_lock+0x36/0x1c0
[  435.481945]  ? lock_acquire+0x1ed/0x520
[  435.485923]  ? bpf_test_run+0x3cb/0x780
[  435.489906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.495452]  ? check_preemption_disabled+0x48/0x280
[  435.500481]  ? kasan_check_read+0x11/0x20
[  435.504633]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  435.509914]  ? rcu_softirq_qs+0x20/0x20
[  435.513895]  ? preempt_schedule+0x4d/0x60
[  435.518050]  ? ___preempt_schedule+0x16/0x18
[  435.522476]  ? bpf_test_run+0x25d/0x780
[  435.526466]  ? netlink_diag_dump+0x2a0/0x2a0
[  435.530880]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.536435]  ? bpf_test_init.isra.10+0x70/0x100
[  435.541114]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  435.545885]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.550742]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  435.556283]  ? fput+0x130/0x1a0
[  435.559587]  ? __bpf_prog_get+0x9b/0x290
[  435.563656]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  435.568515]  ? bpf_prog_test_run+0x130/0x1a0
[  435.572928]  ? __x64_sys_bpf+0x3d8/0x520
[  435.576991]  ? bpf_prog_get+0x20/0x20
[  435.580834]  ? do_syscall_64+0x1b9/0x820
[  435.584905]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  435.590278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  435.595219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.600075]  ? trace_hardirqs_on_caller+0x310/0x310
[  435.605096]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  435.610119]  ? prepare_exit_to_usermode+0x291/0x3b0
[  435.615146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  435.620000]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  435.625389] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  435.625481] aoe: skb alloc failure
[  435.632335] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  435.632344] Call Trace:
[  435.635974] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  435.645261]  <IRQ>
[  435.647848] syz-executor1 cpuset=syz1 mems_allowed=0
[  435.658343]  dump_stack+0x244/0x39d
[  435.669212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  435.674462]  warn_alloc.cold.116+0xb7/0x1bd
[  435.678790]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  435.683639]  ? lock_downgrade+0x900/0x900
[  435.687798]  ? trace_hardirqs_off+0xb8/0x310
[  435.692216]  ? trace_hardirqs_off+0xb8/0x310
[  435.696650]  __alloc_pages_slowpath+0x26e8/0x2e10
[  435.701562]  ? warn_alloc+0x120/0x120
[  435.705373]  ? warn_alloc+0x120/0x120
[  435.709192]  ? warn_alloc+0x120/0x120
[  435.713004]  ? print_usage_bug+0xc0/0xc0
[  435.717071]  ? mark_held_locks+0x130/0x130
[  435.721319]  ? print_usage_bug+0xc0/0xc0
[  435.725420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  435.730965]  ? should_fail+0x22d/0xd01
[  435.734857]  ? zap_class+0x640/0x640
[  435.738581]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.743694]  ? __lock_acquire+0x62f/0x4c20
[  435.747948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  435.753058]  ? should_fail+0x22d/0xd01
[  435.756951]  ? mark_held_locks+0x130/0x130
[  435.761201]  ? mark_held_locks+0x130/0x130
[  435.765444]  ? mark_held_locks+0x130/0x130
[  435.769682]  ? print_usage_bug+0xc0/0xc0
[  435.773781]  ? find_held_lock+0x36/0x1c0
[  435.777862]  ? zap_class+0x640/0x640
[  435.781618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.787162]  ? check_preemption_disabled+0x48/0x280
[  435.792204]  ? __lock_is_held+0xb5/0x140
[  435.796278]  __alloc_pages_nodemask+0xa80/0xde0
[  435.800959]  ? zap_class+0x640/0x640
[  435.804691]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  435.809724]  ? find_held_lock+0x36/0x1c0
[  435.813802]  ? ____cache_alloc_node+0x1c7/0x1e0
[  435.818476]  ? lock_downgrade+0x900/0x900
[  435.822641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.828189]  cache_grow_begin+0xa5/0x8c0
[  435.832253]  ? do_raw_spin_unlock+0xa7/0x330
[  435.836685]  fallback_alloc+0x204/0x2e0
[  435.840674]  ____cache_alloc_node+0x1c7/0x1e0
[  435.845185]  kmem_cache_alloc_node+0xe3/0x730
[  435.849692]  ? mark_held_locks+0xc7/0x130
[  435.853865]  __alloc_skb+0x119/0x770
[  435.857591]  ? netdev_alloc_frag+0x1f0/0x1f0
[  435.862005]  ? do_raw_spin_trylock+0x270/0x270
[  435.866597]  ? kmem_cache_alloc_trace+0x353/0x750
[  435.871461]  ? queue_work_on+0x12c/0x1e0
[  435.875535]  ? switchdev_port_obj_del+0xdc/0x440
[  435.880304]  ? switchdev_trans_item_enqueue+0x260/0x260
[  435.885724]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  435.890755]  __br_mdb_notify+0x4ff/0x15d0
[  435.894917]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  435.900048]  ? __br_mdb_add+0x7f0/0x7f0
[  435.904032]  ? mark_held_locks+0x130/0x130
[  435.908276]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  435.913398]  ? debug_object_assert_init+0x368/0x4b0
[  435.918420]  ? trace_hardirqs_off_caller+0x310/0x310
[  435.923530]  ? debug_object_init_on_stack+0x20/0x20
[  435.928551]  ? zap_class+0x640/0x640
[  435.932275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  435.937827]  br_mdb_notify+0x310/0x410
[  435.941718]  ? br_mdb_dump+0x27b0/0x27b0
[  435.945800]  br_multicast_del_pg+0x3df/0x790
[  435.950225]  ? br_mdb_ip_get+0x940/0x940
[  435.954305]  ? rwlock_bug.part.2+0x90/0x90
[  435.958561]  ? __lock_is_held+0xb5/0x140
[  435.962644]  br_multicast_port_group_expired+0x189/0x1e0
[  435.968101]  call_timer_fn+0x272/0x920
[  435.971992]  ? br_multicast_del_pg+0x790/0x790
[  435.976591]  ? process_timeout+0x40/0x40
[  435.980663]  ? mark_held_locks+0xc7/0x130
[  435.984820]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.989326]  ? _raw_spin_unlock_irq+0x27/0x80
[  435.993825]  ? br_multicast_del_pg+0x790/0x790
[  435.998415]  ? lockdep_hardirqs_on+0x296/0x5b0
[  436.003004]  ? trace_hardirqs_on+0xbd/0x310
[  436.007336]  ? kasan_check_read+0x11/0x20
[  436.011495]  ? __run_timers+0x7da/0xc70
[  436.015480]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.020592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  436.024840]  ? br_multicast_del_pg+0x790/0x790
[  436.029426]  __run_timers+0x7e5/0xc70
[  436.033241]  ? timer_fixup_init+0x70/0x70
[  436.037395]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  436.042437]  ? zap_class+0x640/0x640
[  436.046161]  ? print_usage_bug+0xc0/0xc0
[  436.050242]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  436.055457]  ? find_held_lock+0x36/0x1c0
[  436.059525]  ? zap_class+0x640/0x640
[  436.063250]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.068795]  ? check_preemption_disabled+0x48/0x280
[  436.073830]  ? __lock_is_held+0xb5/0x140
[  436.077898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.083475]  ? check_preemption_disabled+0x48/0x280
[  436.088519]  run_timer_softirq+0x52/0xb0
[  436.092586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  436.097608]  __do_softirq+0x308/0xb7e
[  436.101417]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  436.105921]  ? lock_downgrade+0x900/0x900
[  436.110078]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  436.115193]  ? pvclock_read_flags+0x160/0x160
[  436.119693]  ? lapic_next_event+0x5a/0x90
[  436.123849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.129396]  ? kvm_clock_read+0x18/0x30
[  436.133374]  ? kvm_sched_clock_read+0x9/0x20
[  436.137791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.143345]  ? check_preemption_disabled+0x48/0x280
[  436.148381]  irq_exit+0x17f/0x1c0
[  436.151846]  smp_apic_timer_interrupt+0x1cb/0x760
[  436.156696]  ? smp_reschedule_interrupt+0x109/0x650
[  436.161720]  ? smp_call_function_single_interrupt+0x650/0x650
[  436.167605]  ? interrupt_entry+0xb5/0xc0
[  436.171671]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.176689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  436.181741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.186588]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.191611]  ? trace_hardirqs_on_caller+0x310/0x310
[  436.196630]  ? task_prio+0x50/0x50
[  436.200576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.206131]  ? check_preemption_disabled+0x48/0x280
[  436.211163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  436.216018]  apic_timer_interrupt+0xf/0x20
[  436.220249]  </IRQ>
[  436.222492] RIP: 0010:console_unlock+0x102f/0x1190
[  436.227439] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  436.246358] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  436.254158] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  436.261436] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  436.268708] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  436.275981] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  436.283251] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  436.290537]  ? netconsole_netdev_event+0x280/0x280
[  436.295477]  ? console_unlock+0x1026/0x1190
[  436.299825]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  436.304513]  ? vprintk_emit+0x846/0x990
[  436.308508]  ? lock_release+0xa00/0xa00
[  436.312491]  ? trace_hardirqs_on+0x60/0x310
[  436.316818]  ? vprintk_default+0x28/0x30
[  436.320902]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.326019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.331575]  vprintk_emit+0x391/0x990
[  436.335391]  ? wake_up_klogd+0x180/0x180
[  436.339463]  ? find_held_lock+0x1/0x1c0
[  436.343479]  ? mark_held_locks+0xc7/0x130
[  436.347638]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.352149]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.356652]  vprintk_default+0x28/0x30
[  436.360584]  vprintk_func+0x7e/0x181
[  436.364301]  printk+0xa7/0xcf
[  436.367427]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  436.372193]  ? _raw_spin_unlock_irq+0x60/0x80
[  436.376712]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  436.382000]  dump_header+0x7cc/0xf72
[  436.385729]  ? pagefault_out_of_memory+0x197/0x197
[  436.390674]  ? __lock_acquire+0x62f/0x4c20
[  436.394934]  ? percpu_ref_get_many+0x240/0x240
[  436.399545]  ? print_usage_bug+0xc0/0xc0
[  436.403626]  ? zap_class+0x640/0x640
[  436.407354]  ? print_usage_bug+0xc0/0xc0
[  436.411419]  ? zap_class+0x640/0x640
[  436.415149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.420703]  ? find_held_lock+0x36/0x1c0
[  436.424777]  ? mark_held_locks+0xc7/0x130
[  436.428950]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.434063]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  436.439184]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.443771]  ? trace_hardirqs_on+0xbd/0x310
[  436.448095]  ? kasan_check_read+0x11/0x20
[  436.452263]  ? ___ratelimit+0x3b4/0x672
[  436.456244]  ? trace_hardirqs_off_caller+0x310/0x310
[  436.461354]  ? trace_hardirqs_on+0x310/0x310
[  436.465773]  ? lock_downgrade+0x900/0x900
[  436.469938]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  436.475063]  ? ___ratelimit+0x3b9/0x672
[  436.479057]  ? idr_get_free+0xf70/0xf70
[  436.483037]  ? find_held_lock+0x36/0x1c0
[  436.487128]  oom_kill_process.cold.27+0x10/0x903
[  436.491898]  ? zap_class+0x640/0x640
[  436.495625]  ? check_preemption_disabled+0x48/0x280
[  436.500655]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.505592]  ? kasan_check_read+0x11/0x20
[  436.509739]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.515037]  ? oom_evaluate_task+0x540/0x540
[  436.519490]  ? find_held_lock+0x36/0x1c0
[  436.523563]  ? out_of_memory+0x974/0x1430
[  436.527715]  ? lock_downgrade+0x900/0x900
[  436.531872]  ? check_preemption_disabled+0x48/0x280
[  436.536895]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.541840]  ? kasan_check_read+0x11/0x20
[  436.546001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.551284]  ? rcu_softirq_qs+0x20/0x20
[  436.555279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.560833]  ? oom_evaluate_task+0x302/0x540
[  436.565266]  out_of_memory+0xa84/0x1430
[  436.569260]  ? oom_killer_disable+0x3a0/0x3a0
[  436.573759]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  436.578718]  ? __ww_mutex_check_waiters+0x160/0x160
[  436.583759]  __alloc_pages_slowpath+0x2354/0x2e10
[  436.588654]  ? warn_alloc+0x120/0x120
[  436.592459]  ? mark_held_locks+0x130/0x130
[  436.596705]  ? find_get_entry+0xaae/0x1120
[  436.600973]  ? filemap_map_pages+0x1a20/0x1a20
[  436.605581]  ? zap_class+0x640/0x640
[  436.609303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.614858]  ? check_preemption_disabled+0x48/0x280
[  436.619879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.625443]  ? should_fail+0x22d/0xd01
[  436.629348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  436.634460]  ? zap_class+0x640/0x640
[  436.638316]  ? __lock_is_held+0xb5/0x140
[  436.642397]  ? mark_held_locks+0x130/0x130
[  436.646638]  ? lock_release+0xa00/0xa00
[  436.650619]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.656089]  ? xa_load+0x2ba/0x460
[  436.659638]  ? lock_downgrade+0x900/0x900
[  436.663830]  ? __might_sleep+0x95/0x190
[  436.667827]  __alloc_pages_nodemask+0xa80/0xde0
[  436.672511]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  436.677534]  ? __page_cache_alloc+0x191/0x5c0
[  436.682034]  ? xa_load+0x2e1/0x460
[  436.685578]  ? xa_clear_mark+0x40/0x40
[  436.689473]  ? zap_class+0x640/0x640
[  436.693204]  ? zap_class+0x640/0x640
[  436.696935]  ? zap_class+0x640/0x640
[  436.700671]  ? zap_class+0x640/0x640
[  436.704391]  ? __do_page_cache_readahead+0x663/0x810
[  436.709529]  ? find_held_lock+0x36/0x1c0
[  436.713605]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  436.719161]  alloc_pages_current+0x173/0x350
[  436.723589]  __page_cache_alloc+0x38c/0x5c0
[  436.727909]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.732853]  ? kasan_check_read+0x11/0x20
[  436.737001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.742306]  ? generic_perform_write+0x6a0/0x6a0
[  436.747102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.752646]  ? check_preemption_disabled+0x48/0x280
[  436.757675]  filemap_fault+0x1595/0x25f0
[  436.761770]  ? __lock_page_or_retry+0xa00/0xa00
[  436.766451]  ? mark_held_locks+0x130/0x130
[  436.770704]  ? filemap_map_pages+0xd6b/0x1a20
[  436.775216]  ? lock_downgrade+0x900/0x900
[  436.779371]  ? check_preemption_disabled+0x48/0x280
[  436.784397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.789338]  ? kasan_check_read+0x11/0x20
[  436.793492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.798777]  ? rcu_softirq_qs+0x20/0x20
[  436.802779]  ? filemap_map_pages+0xd92/0x1a20
[  436.807290]  ? queue_work_on+0x12c/0x1e0
[  436.811374]  ? find_get_entries_tag+0x1400/0x1400
[  436.816237]  ? debug_object_destroy+0x2b0/0x2b0
[  436.820923]  ? lock_pi_update_atomic+0x150/0x150
[  436.825686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  436.831353]  ? lock_acquire+0x1ed/0x520
[  436.835354]  ? ext4_filemap_fault+0x7a/0xad
[  436.839718]  ? lock_release+0xa00/0xa00
[  436.843696]  ? perf_trace_sched_process_exec+0x860/0x860
[  436.849158]  ? print_usage_bug+0xc0/0xc0
[  436.853222]  ? print_usage_bug+0xc0/0xc0
[  436.857327]  ? down_read+0x8d/0x120
[  436.860977]  ? ext4_filemap_fault+0x7a/0xad
[  436.865325]  ? __down_interruptible+0x700/0x700
[  436.870006]  ext4_filemap_fault+0x82/0xad
[  436.874180]  __do_fault+0x100/0x6b0
[  436.877845]  ? find_held_lock+0x36/0x1c0
[  436.881946]  ? pmd_devmap_trans_unstable+0x220/0x220
[  436.887054]  ? mark_held_locks+0x130/0x130
[  436.891292]  ? mark_held_locks+0x130/0x130
[  436.895542]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.900052]  ? _raw_spin_unlock_irq+0x27/0x80
[  436.904562]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  436.909188]  ? kasan_check_read+0x11/0x20
[  436.913349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  436.918900]  __handle_mm_fault+0x3ea0/0x5be0
[  436.923363]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  436.928219]  ? finish_task_switch+0x1f4/0x910
[  436.932738]  ? finish_task_switch+0x1b4/0x910
[  436.937240]  ? __switch_to_asm+0x34/0x70
[  436.941307]  ? preempt_notifier_register+0x200/0x200
[  436.946434]  ? __switch_to_asm+0x34/0x70
[  436.950508]  ? __switch_to_asm+0x34/0x70
[  436.954590]  ? zap_class+0x640/0x640
[  436.958320]  ? zap_class+0x640/0x640
[  436.962037]  ? __x64_sys_futex+0x53e/0x6a0
[  436.966280]  ? find_held_lock+0x36/0x1c0
[  436.970364]  ? handle_mm_fault+0x42a/0xc70
[  436.974620]  ? lock_downgrade+0x900/0x900
[  436.978773]  ? check_preemption_disabled+0x48/0x280
[  436.983834]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  436.988776]  ? kasan_check_read+0x11/0x20
[  436.992931]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  436.998233]  ? rcu_softirq_qs+0x20/0x20
[  437.002234]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.007351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.012895]  ? check_preemption_disabled+0x48/0x280
[  437.017937]  handle_mm_fault+0x54f/0xc70
[  437.022009]  ? __handle_mm_fault+0x5be0/0x5be0
[  437.026618]  ? find_vma+0x34/0x190
[  437.030170]  __do_page_fault+0x5e8/0xe60
[  437.034240]  ? trace_hardirqs_off+0xb8/0x310
[  437.038670]  do_page_fault+0xf2/0x7e0
[  437.042475]  ? vmalloc_sync_all+0x30/0x30
[  437.046627]  ? error_entry+0x70/0xd0
[  437.050348]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.055376]  ? trace_hardirqs_on_caller+0xc0/0x310
[  437.060335]  ? syscall_return_slowpath+0x5e0/0x5e0
[  437.065304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.070170]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.075218]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  437.080690]  ? prepare_exit_to_usermode+0x291/0x3b0
[  437.085713]  ? page_fault+0x8/0x30
[  437.089265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.094119]  ? page_fault+0x8/0x30
[  437.097668]  page_fault+0x1e/0x30
[  437.101125] RIP: 0033:0x45ddf3
[  437.104348] Code: Bad RIP value.
[  437.107719] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  437.113086] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  437.120374] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  437.127669] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  437.134948] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  437.142221] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  437.149521] warn_alloc_show_mem: 1 callbacks suppressed
[  437.149534] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  437.149536] Mem-Info:
[  437.149569] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  437.149569]  active_file:15 inactive_file:15 isolated_file:0
[  437.149569]  unevictable:0 dirty:0 writeback:0 unstable:0
[  437.149569]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  437.149569]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  437.149569]  free:13750 free_pcp:296 free_cma:0
[  437.154920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  437.154931] Call Trace:
[  437.162305] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  437.164706]  <IRQ>
[  437.197767] 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
[  437.207162]  dump_stack+0x244/0x39d
[  437.209718] lowmem_reserve[]: 0 2818 6321 6321
[  437.237250]  ? dump_stack_print_info.cold.1+0x20/0x20
[  437.239387] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  437.265540]  warn_alloc.cold.116+0xb7/0x1bd
[  437.269141] lowmem_reserve[]: 0 0 3503 3503
[  437.273743]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  437.278927] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  437.306464]  ? lock_downgrade+0x900/0x900
[  437.310762] lowmem_reserve[]: 0 0 0 0
[  437.315112]  ? trace_hardirqs_off+0xb8/0x310
[  437.319929] 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
[  437.349085]  ? trace_hardirqs_off+0xb8/0x310
[  437.353215] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  437.357021]  __alloc_pages_slowpath+0x26e8/0x2e10
[  437.361393] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  437.374982]  ? warn_alloc+0x120/0x120
[  437.379357] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  437.394877]  ? warn_alloc+0x120/0x120
[  437.399712] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  437.413838]  ? warn_alloc+0x120/0x120
[  437.417617] 2335 total pagecache pages
[  437.426468]  ? print_usage_bug+0xc0/0xc0
[  437.430257] 0 pages in swap cache
[  437.438825]  ? print_usage_bug+0xc0/0xc0
[  437.442608] Swap cache stats: add 0, delete 0, find 0/0
[  437.446514]  ? ktime_get+0x2c1/0x400
[  437.450548] Free swap  = 0kB
[  437.454006]  ? check_preemption_disabled+0x48/0x280
[  437.458058] Total swap = 0kB
[  437.463429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.467138] 1965979 pages RAM
[  437.470154]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.475156] 0 pages HighMem/MovableOnly
[  437.478213]  ? should_fail+0x22d/0xd01
[  437.482693] 342853 pages reserved
[  437.485803]  ? kasan_check_read+0x11/0x20
[  437.491320] 0 pages cma reserved
[  437.495292]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.499362] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  437.502642]  ? __lock_acquire+0x62f/0x4c20
[  437.506809] syz-fuzzer cpuset=/ mems_allowed=0
[  437.510174]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  437.539388]  ? should_fail+0x22d/0xd01
[  437.543285]  ? print_usage_bug+0xc0/0xc0
[  437.547368]  ? mark_held_locks+0x130/0x130
[  437.551637]  ? mark_held_locks+0x130/0x130
[  437.555885]  ? check_preemption_disabled+0x48/0x280
[  437.560930]  ? zap_class+0x640/0x640
[  437.564661]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  437.569435]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.574988]  ? check_preemption_disabled+0x48/0x280
[  437.580019]  ? __lock_is_held+0xb5/0x140
[  437.584090]  __alloc_pages_nodemask+0xa80/0xde0
[  437.588779]  ? zap_class+0x640/0x640
[  437.592506]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  437.597534]  ? find_held_lock+0x36/0x1c0
[  437.601609]  ? ____cache_alloc_node+0x1c7/0x1e0
[  437.606280]  ? lock_downgrade+0x900/0x900
[  437.610451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.616005]  cache_grow_begin+0xa5/0x8c0
[  437.620070]  ? do_raw_spin_unlock+0xa7/0x330
[  437.624490]  fallback_alloc+0x204/0x2e0
[  437.628472]  ____cache_alloc_node+0x1c7/0x1e0
[  437.632979]  kmem_cache_alloc_node+0xe3/0x730
[  437.637480]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.642083]  __alloc_skb+0x119/0x770
[  437.645799]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  437.651172]  ? netdev_alloc_frag+0x1f0/0x1f0
[  437.655592]  ? vprintk_default+0x28/0x30
[  437.659669]  ? vprintk_func+0x85/0x181
[  437.663564]  ? printk+0xa7/0xcf
[  437.666861]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  437.671625]  ? do_raw_spin_trylock+0x270/0x270
[  437.676257]  new_skb+0x26/0x1c0
[  437.679544]  aoecmd_cfg+0x279/0x7f0
[  437.683175]  ? find_held_lock+0x36/0x1c0
[  437.687245]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  437.691580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.697133]  ? __lock_is_held+0xb5/0x140
[  437.701207]  discover_timer+0x50/0x60
[  437.705011]  call_timer_fn+0x272/0x920
[  437.708900]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.713757]  ? process_timeout+0x40/0x40
[  437.717859]  ? __run_timers+0x7da/0xc70
[  437.721881]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.726378]  ? _raw_spin_unlock_irq+0x27/0x80
[  437.730892]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.735736]  ? lockdep_hardirqs_on+0x296/0x5b0
[  437.740340]  ? trace_hardirqs_on+0xbd/0x310
[  437.744671]  ? kasan_check_read+0x11/0x20
[  437.748818]  ? __run_timers+0x7da/0xc70
[  437.752799]  ? trace_hardirqs_off_caller+0x310/0x310
[  437.757924]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  437.762781]  __run_timers+0x7e5/0xc70
[  437.766594]  ? timer_fixup_init+0x70/0x70
[  437.770750]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  437.775786]  ? zap_class+0x640/0x640
[  437.779509]  ? enqueue_hrtimer+0x1a5/0x560
[  437.783748]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  437.788969]  ? find_held_lock+0x36/0x1c0
[  437.793040]  ? zap_class+0x640/0x640
[  437.796758]  ? pvclock_read_flags+0x160/0x160
[  437.801260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.806814]  ? check_preemption_disabled+0x48/0x280
[  437.811852]  ? __lock_is_held+0xb5/0x140
[  437.815931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.821478]  ? check_preemption_disabled+0x48/0x280
[  437.826505]  run_timer_softirq+0x52/0xb0
[  437.830581]  ? rcu_read_lock_sched_held+0x14f/0x180
[  437.835602]  __do_softirq+0x308/0xb7e
[  437.839420]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  437.843943]  ? lock_downgrade+0x900/0x900
[  437.848108]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  437.853227]  ? pvclock_read_flags+0x160/0x160
[  437.857759]  ? lapic_next_event+0x5a/0x90
[  437.861912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.867464]  ? kvm_clock_read+0x18/0x30
[  437.871443]  ? kvm_sched_clock_read+0x9/0x20
[  437.875861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  437.881451]  ? check_preemption_disabled+0x48/0x280
[  437.886496]  irq_exit+0x17f/0x1c0
[  437.889962]  smp_apic_timer_interrupt+0x1cb/0x760
[  437.894837]  ? smp_reschedule_interrupt+0x109/0x650
[  437.899874]  ? smp_call_function_single_interrupt+0x650/0x650
[  437.905765]  ? interrupt_entry+0xb5/0xc0
[  437.909833]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.914853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  437.919875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.924719]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.929741]  ? trace_hardirqs_on_caller+0x310/0x310
[  437.934781]  ? task_prio+0x50/0x50
[  437.938359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  437.943905]  ? check_preemption_disabled+0x48/0x280
[  437.948931]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  437.953821]  apic_timer_interrupt+0xf/0x20
[  437.958055]  </IRQ>
[  437.960307] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  437.965250] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  437.984161] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  437.991880] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  437.999147] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  438.006419] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  438.013712] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  438.020981] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  438.028298]  skb_clone+0x1bb/0x500
[  438.031877]  ? finish_task_switch+0x2f4/0x910
[  438.036384]  ? skb_split+0x11e0/0x11e0
[  438.040280]  ? preempt_notifier_register+0x200/0x200
[  438.045402]  ? __switch_to_asm+0x34/0x70
[  438.049494]  ? __switch_to_asm+0x34/0x70
[  438.053552]  ? __switch_to_asm+0x40/0x70
[  438.057611]  ? __switch_to_asm+0x34/0x70
[  438.061681]  ? __switch_to_asm+0x40/0x70
[  438.065741]  ? __switch_to_asm+0x34/0x70
[  438.069804]  ? __switch_to_asm+0x40/0x70
[  438.073892]  ? __switch_to_asm+0x34/0x70
[  438.077976]  ? __switch_to_asm+0x34/0x70
[  438.082052]  ? __switch_to_asm+0x40/0x70
[  438.086111]  ? __switch_to_asm+0x34/0x70
[  438.090183]  bpf_clone_redirect+0xb9/0x490
[  438.094427]  ? __schedule+0x8d7/0x21d0
[  438.098329]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  438.103354]  ? __sched_text_start+0x8/0x8
[  438.107509]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  438.112305]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  438.116901]  ? retint_kernel+0x2d/0x2d
[  438.120800]  ? find_held_lock+0x36/0x1c0
[  438.124871]  ? lock_acquire+0x1ed/0x520
[  438.128850]  ? bpf_test_run+0x3cb/0x780
[  438.132828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.138384]  ? check_preemption_disabled+0x48/0x280
[  438.143422]  ? kasan_check_read+0x11/0x20
[  438.147578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  438.152867]  ? rcu_softirq_qs+0x20/0x20
[  438.156849]  ? preempt_schedule+0x4d/0x60
[  438.161004]  ? ___preempt_schedule+0x16/0x18
[  438.165440]  ? bpf_test_run+0x25d/0x780
[  438.169442]  ? netlink_diag_dump+0x2a0/0x2a0
[  438.173862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.179401]  ? bpf_test_init.isra.10+0x70/0x100
[  438.184083]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  438.188852]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.193696]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  438.199605]  ? fput+0x130/0x1a0
[  438.202888]  ? __bpf_prog_get+0x9b/0x290
[  438.206955]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  438.211799]  ? bpf_prog_test_run+0x130/0x1a0
[  438.216215]  ? __x64_sys_bpf+0x3d8/0x520
[  438.220278]  ? bpf_prog_get+0x20/0x20
[  438.224113]  ? do_syscall_64+0x1b9/0x820
[  438.228190]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  438.233556]  ? syscall_return_slowpath+0x5e0/0x5e0
[  438.238510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.243359]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.248376]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  438.253409]  ? prepare_exit_to_usermode+0x291/0x3b0
[  438.258446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.263301]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  438.268696] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  438.268782] aoe: skb alloc failure
[  438.275639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  438.275645] Call Trace:
[  438.275652]  <IRQ>
[  438.275671]  dump_stack+0x244/0x39d
[  438.275690]  ? dump_stack_print_info.cold.1+0x20/0x20
[  438.279247] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  438.288571]  warn_alloc.cold.116+0xb7/0x1bd
[  438.291127] syz-executor1 cpuset=syz1 mems_allowed=0
[  438.293279]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  438.326811]  ? lock_downgrade+0x900/0x900
[  438.330975]  ? trace_hardirqs_off+0xb8/0x310
[  438.335428]  ? trace_hardirqs_off+0xb8/0x310
[  438.339868]  __alloc_pages_slowpath+0x26e8/0x2e10
[  438.344761]  ? warn_alloc+0x120/0x120
[  438.348574]  ? warn_alloc+0x120/0x120
[  438.352394]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.357418]  ? warn_alloc+0x120/0x120
[  438.361231]  ? print_usage_bug+0xc0/0xc0
[  438.365325]  ? print_usage_bug+0xc0/0xc0
[  438.369394]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.374627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.380166]  ? should_fail+0x22d/0xd01
[  438.384107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.389214]  ? __lock_acquire+0x62f/0x4c20
[  438.393464]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  438.398575]  ? should_fail+0x22d/0xd01
[  438.402503]  ? mark_held_locks+0x130/0x130
[  438.406754]  ? mark_held_locks+0x130/0x130
[  438.410999]  ? print_usage_bug+0xc0/0xc0
[  438.415089]  ? find_held_lock+0x36/0x1c0
[  438.419170]  ? zap_class+0x640/0x640
[  438.422896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.428445]  ? check_preemption_disabled+0x48/0x280
[  438.433474]  ? __lock_is_held+0xb5/0x140
[  438.437552]  __alloc_pages_nodemask+0xa80/0xde0
[  438.442227]  ? zap_class+0x640/0x640
[  438.445962]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  438.450994]  ? find_held_lock+0x36/0x1c0
[  438.455067]  ? ____cache_alloc_node+0x1c7/0x1e0
[  438.459745]  ? lock_downgrade+0x900/0x900
[  438.463916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.469481]  cache_grow_begin+0xa5/0x8c0
[  438.473548]  ? do_raw_spin_unlock+0xa7/0x330
[  438.477992]  fallback_alloc+0x204/0x2e0
[  438.481972]  ____cache_alloc_node+0x1c7/0x1e0
[  438.486482]  kmem_cache_alloc_node+0xe3/0x730
[  438.491028]  ? mark_held_locks+0xc7/0x130
[  438.495192]  __alloc_skb+0x119/0x770
[  438.498933]  ? netdev_alloc_frag+0x1f0/0x1f0
[  438.503383]  ? do_raw_spin_trylock+0x270/0x270
[  438.507987]  ? kmem_cache_alloc_trace+0x353/0x750
[  438.512861]  ? queue_work_on+0x12c/0x1e0
[  438.516945]  ? switchdev_port_obj_del+0xdc/0x440
[  438.521705]  ? switchdev_trans_item_enqueue+0x260/0x260
[  438.527075]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  438.532103]  __br_mdb_notify+0x4ff/0x15d0
[  438.536259]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  438.541396]  ? __br_mdb_add+0x7f0/0x7f0
[  438.545381]  ? mark_held_locks+0x130/0x130
[  438.549628]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  438.554747]  ? debug_object_assert_init+0x368/0x4b0
[  438.559773]  ? debug_object_init_on_stack+0x20/0x20
[  438.564790]  ? zap_class+0x640/0x640
[  438.568528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.574096]  br_mdb_notify+0x310/0x410
[  438.578009]  ? br_mdb_dump+0x27b0/0x27b0
[  438.582088]  br_multicast_del_pg+0x3df/0x790
[  438.586537]  ? br_mdb_ip_get+0x940/0x940
[  438.590604]  ? rwlock_bug.part.2+0x90/0x90
[  438.594865]  ? __lock_is_held+0xb5/0x140
[  438.598943]  br_multicast_port_group_expired+0x189/0x1e0
[  438.604403]  call_timer_fn+0x272/0x920
[  438.608325]  ? br_multicast_del_pg+0x790/0x790
[  438.612922]  ? process_timeout+0x40/0x40
[  438.617003]  ? mark_held_locks+0xc7/0x130
[  438.621166]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.625661]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.630156]  ? br_multicast_del_pg+0x790/0x790
[  438.634740]  ? lockdep_hardirqs_on+0x296/0x5b0
[  438.639365]  ? trace_hardirqs_on+0xbd/0x310
[  438.643695]  ? kasan_check_read+0x11/0x20
[  438.647870]  ? __run_timers+0x7da/0xc70
[  438.651854]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.656981]  ? br_multicast_del_pg+0x790/0x790
[  438.661574]  ? br_multicast_del_pg+0x790/0x790
[  438.666159]  __run_timers+0x7e5/0xc70
[  438.669977]  ? timer_fixup_init+0x70/0x70
[  438.674148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  438.679203]  ? zap_class+0x640/0x640
[  438.682929]  ? print_usage_bug+0xc0/0xc0
[  438.686999]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  438.692203]  ? find_held_lock+0x36/0x1c0
[  438.696274]  ? zap_class+0x640/0x640
[  438.700013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.705559]  ? check_preemption_disabled+0x48/0x280
[  438.710593]  ? __lock_is_held+0xb5/0x140
[  438.714657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.720202]  ? check_preemption_disabled+0x48/0x280
[  438.725236]  run_timer_softirq+0x52/0xb0
[  438.729343]  ? rcu_read_lock_sched_held+0x14f/0x180
[  438.734368]  __do_softirq+0x308/0xb7e
[  438.738175]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  438.742674]  ? lock_downgrade+0x900/0x900
[  438.746833]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  438.751950]  ? pvclock_read_flags+0x160/0x160
[  438.756476]  ? lapic_next_event+0x5a/0x90
[  438.760646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.766193]  ? kvm_clock_read+0x18/0x30
[  438.770169]  ? kvm_sched_clock_read+0x9/0x20
[  438.774583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.780171]  ? check_preemption_disabled+0x48/0x280
[  438.785208]  irq_exit+0x17f/0x1c0
[  438.788675]  smp_apic_timer_interrupt+0x1cb/0x760
[  438.793539]  ? smp_reschedule_interrupt+0x109/0x650
[  438.798560]  ? smp_call_function_single_interrupt+0x650/0x650
[  438.804458]  ? interrupt_entry+0xb5/0xc0
[  438.808524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.813540]  ? trace_hardirqs_off_caller+0xbb/0x310
[  438.818573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.823428]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.828454]  ? trace_hardirqs_on_caller+0x310/0x310
[  438.833494]  ? task_prio+0x50/0x50
[  438.837055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  438.842602]  ? check_preemption_disabled+0x48/0x280
[  438.847632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  438.852499]  apic_timer_interrupt+0xf/0x20
[  438.856730]  </IRQ>
[  438.858978] RIP: 0010:console_unlock+0x102f/0x1190
[  438.863923] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  438.882827] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  438.890538] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  438.897815] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  438.905097] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  438.912396] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  438.919663] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  438.926956]  ? netconsole_netdev_event+0x280/0x280
[  438.931902]  ? console_unlock+0x1026/0x1190
[  438.936265]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  438.940940]  ? vprintk_emit+0x846/0x990
[  438.944934]  ? lock_release+0xa00/0xa00
[  438.948920]  ? trace_hardirqs_on+0x60/0x310
[  438.953252]  ? vprintk_default+0x28/0x30
[  438.957326]  ? trace_hardirqs_off_caller+0x310/0x310
[  438.962449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  438.968005]  vprintk_emit+0x391/0x990
[  438.971814]  ? wake_up_klogd+0x180/0x180
[  438.975934]  ? find_held_lock+0x1/0x1c0
[  438.979925]  ? mark_held_locks+0xc7/0x130
[  438.984078]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.988577]  ? _raw_spin_unlock_irq+0x27/0x80
[  438.993080]  vprintk_default+0x28/0x30
[  438.996972]  vprintk_func+0x7e/0x181
[  439.000719]  printk+0xa7/0xcf
[  439.003828]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  439.008589]  ? _raw_spin_unlock_irq+0x60/0x80
[  439.013104]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  439.018392]  dump_header+0x7cc/0xf72
[  439.022118]  ? pagefault_out_of_memory+0x197/0x197
[  439.027077]  ? __lock_acquire+0x62f/0x4c20
[  439.031326]  ? percpu_ref_get_many+0x240/0x240
[  439.035938]  ? print_usage_bug+0xc0/0xc0
[  439.040011]  ? zap_class+0x640/0x640
[  439.043748]  ? print_usage_bug+0xc0/0xc0
[  439.047825]  ? zap_class+0x640/0x640
[  439.051551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.057115]  ? find_held_lock+0x36/0x1c0
[  439.061198]  ? mark_held_locks+0xc7/0x130
[  439.065364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.070472]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  439.075598]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.080185]  ? trace_hardirqs_on+0xbd/0x310
[  439.084512]  ? kasan_check_read+0x11/0x20
[  439.088667]  ? ___ratelimit+0x3b4/0x672
[  439.092690]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.097802]  ? trace_hardirqs_on+0x310/0x310
[  439.102220]  ? lock_downgrade+0x900/0x900
[  439.106384]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  439.111494]  ? ___ratelimit+0x3b9/0x672
[  439.115507]  ? idr_get_free+0xf70/0xf70
[  439.119495]  ? find_held_lock+0x36/0x1c0
[  439.123576]  oom_kill_process.cold.27+0x10/0x903
[  439.128347]  ? zap_class+0x640/0x640
[  439.132067]  ? check_preemption_disabled+0x48/0x280
[  439.137110]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.142047]  ? kasan_check_read+0x11/0x20
[  439.146210]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.151505]  ? oom_evaluate_task+0x540/0x540
[  439.155937]  ? find_held_lock+0x36/0x1c0
[  439.160012]  ? out_of_memory+0x974/0x1430
[  439.164165]  ? lock_downgrade+0x900/0x900
[  439.168333]  ? check_preemption_disabled+0x48/0x280
[  439.173357]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.178345]  ? kasan_check_read+0x11/0x20
[  439.182497]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.187792]  ? rcu_softirq_qs+0x20/0x20
[  439.191773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.197326]  ? oom_evaluate_task+0x302/0x540
[  439.201745]  out_of_memory+0xa84/0x1430
[  439.205732]  ? oom_killer_disable+0x3a0/0x3a0
[  439.210243]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  439.215184]  ? __ww_mutex_check_waiters+0x160/0x160
[  439.220245]  __alloc_pages_slowpath+0x2354/0x2e10
[  439.225132]  ? warn_alloc+0x120/0x120
[  439.228939]  ? mark_held_locks+0x130/0x130
[  439.233193]  ? find_get_entry+0xaae/0x1120
[  439.237450]  ? filemap_map_pages+0x1a20/0x1a20
[  439.242041]  ? zap_class+0x640/0x640
[  439.245764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.251323]  ? check_preemption_disabled+0x48/0x280
[  439.256356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.261897]  ? should_fail+0x22d/0xd01
[  439.265796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  439.270905]  ? zap_class+0x640/0x640
[  439.274686]  ? __lock_is_held+0xb5/0x140
[  439.278771]  ? mark_held_locks+0x130/0x130
[  439.283013]  ? lock_release+0xa00/0xa00
[  439.287012]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.292490]  ? xa_load+0x2ba/0x460
[  439.296041]  ? lock_downgrade+0x900/0x900
[  439.300196]  ? __might_sleep+0x95/0x190
[  439.304178]  __alloc_pages_nodemask+0xa80/0xde0
[  439.308861]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  439.313897]  ? __page_cache_alloc+0x191/0x5c0
[  439.318403]  ? xa_load+0x2e1/0x460
[  439.321949]  ? xa_clear_mark+0x40/0x40
[  439.325841]  ? zap_class+0x640/0x640
[  439.329972]  ? zap_class+0x640/0x640
[  439.333705]  ? zap_class+0x640/0x640
[  439.337431]  ? zap_class+0x640/0x640
[  439.341152]  ? __do_page_cache_readahead+0x663/0x810
[  439.346265]  ? find_held_lock+0x36/0x1c0
[  439.350342]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  439.355897]  alloc_pages_current+0x173/0x350
[  439.360333]  __page_cache_alloc+0x38c/0x5c0
[  439.364660]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.369598]  ? kasan_check_read+0x11/0x20
[  439.373780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.379084]  ? generic_perform_write+0x6a0/0x6a0
[  439.383847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.389404]  ? check_preemption_disabled+0x48/0x280
[  439.394439]  filemap_fault+0x1595/0x25f0
[  439.398540]  ? __lock_page_or_retry+0xa00/0xa00
[  439.403248]  ? mark_held_locks+0x130/0x130
[  439.407497]  ? filemap_map_pages+0xd6b/0x1a20
[  439.411997]  ? lock_downgrade+0x900/0x900
[  439.416157]  ? check_preemption_disabled+0x48/0x280
[  439.421187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.426127]  ? kasan_check_read+0x11/0x20
[  439.430295]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.435589]  ? rcu_softirq_qs+0x20/0x20
[  439.439598]  ? filemap_map_pages+0xd92/0x1a20
[  439.444103]  ? queue_work_on+0x12c/0x1e0
[  439.448176]  ? find_get_entries_tag+0x1400/0x1400
[  439.453041]  ? debug_object_destroy+0x2b0/0x2b0
[  439.457716]  ? lock_pi_update_atomic+0x150/0x150
[  439.462478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  439.468039]  ? lock_acquire+0x1ed/0x520
[  439.472014]  ? ext4_filemap_fault+0x7a/0xad
[  439.476349]  ? lock_release+0xa00/0xa00
[  439.480326]  ? perf_trace_sched_process_exec+0x860/0x860
[  439.485780]  ? print_usage_bug+0xc0/0xc0
[  439.489865]  ? print_usage_bug+0xc0/0xc0
[  439.493946]  ? down_read+0x8d/0x120
[  439.497577]  ? ext4_filemap_fault+0x7a/0xad
[  439.501924]  ? __down_interruptible+0x700/0x700
[  439.506603]  ext4_filemap_fault+0x82/0xad
[  439.510761]  __do_fault+0x100/0x6b0
[  439.514398]  ? find_held_lock+0x36/0x1c0
[  439.518467]  ? pmd_devmap_trans_unstable+0x220/0x220
[  439.523581]  ? mark_held_locks+0x130/0x130
[  439.527822]  ? mark_held_locks+0x130/0x130
[  439.532058]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.536567]  ? _raw_spin_unlock_irq+0x27/0x80
[  439.541085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  439.545677]  ? kasan_check_read+0x11/0x20
[  439.549837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.555383]  __handle_mm_fault+0x3ea0/0x5be0
[  439.559801]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  439.564678]  ? finish_task_switch+0x1f4/0x910
[  439.569177]  ? finish_task_switch+0x1b4/0x910
[  439.573691]  ? __switch_to_asm+0x34/0x70
[  439.577882]  ? preempt_notifier_register+0x200/0x200
[  439.582994]  ? __switch_to_asm+0x34/0x70
[  439.587058]  ? __switch_to_asm+0x34/0x70
[  439.591140]  ? zap_class+0x640/0x640
[  439.594855]  ? zap_class+0x640/0x640
[  439.598573]  ? __x64_sys_futex+0x53e/0x6a0
[  439.602834]  ? find_held_lock+0x36/0x1c0
[  439.606919]  ? handle_mm_fault+0x42a/0xc70
[  439.611159]  ? lock_downgrade+0x900/0x900
[  439.615328]  ? check_preemption_disabled+0x48/0x280
[  439.620375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  439.625306]  ? kasan_check_read+0x11/0x20
[  439.629469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  439.634749]  ? rcu_softirq_qs+0x20/0x20
[  439.638730]  ? trace_hardirqs_off_caller+0x310/0x310
[  439.643840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  439.649411]  ? check_preemption_disabled+0x48/0x280
[  439.654441]  handle_mm_fault+0x54f/0xc70
[  439.658513]  ? __handle_mm_fault+0x5be0/0x5be0
[  439.663106]  ? find_vma+0x34/0x190
[  439.666656]  __do_page_fault+0x5e8/0xe60
[  439.670726]  ? trace_hardirqs_off+0xb8/0x310
[  439.675149]  do_page_fault+0xf2/0x7e0
[  439.678969]  ? vmalloc_sync_all+0x30/0x30
[  439.683119]  ? error_entry+0x70/0xd0
[  439.686835]  ? trace_hardirqs_off_caller+0xbb/0x310
[  439.691855]  ? trace_hardirqs_on_caller+0xc0/0x310
[  439.696789]  ? syscall_return_slowpath+0x5e0/0x5e0
[  439.701721]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.706572]  ? trace_hardirqs_on_caller+0x310/0x310
[  439.711624]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  439.717082]  ? prepare_exit_to_usermode+0x291/0x3b0
[  439.722104]  ? page_fault+0x8/0x30
[  439.725660]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  439.730511]  ? page_fault+0x8/0x30
[  439.734055]  page_fault+0x1e/0x30
[  439.737514] RIP: 0033:0x45ddf3
[  439.740752] Code: Bad RIP value.
[  439.744138] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  439.749531] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  439.756799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  439.764068] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  439.771339] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  439.778624] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  439.785940] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  439.785946] warn_alloc_show_mem: 1 callbacks suppressed
[  439.785953] Mem-Info:
[  439.793232] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  439.798613] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  439.798613]  active_file:15 inactive_file:15 isolated_file:0
[  439.798613]  unevictable:0 dirty:0 writeback:0 unstable:0
[  439.798613]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  439.798613]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  439.798613]  free:13750 free_pcp:296 free_cma:0
[  439.800987] Call Trace:
[  439.810387] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  439.843448]  <IRQ>
[  439.846023] 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
[  439.873533]  dump_stack+0x244/0x39d
[  439.875655] lowmem_reserve[]: 0 2818 6321 6321
[  439.901777]  ? dump_stack_print_info.cold.1+0x20/0x20
[  439.905400] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  439.909989]  warn_alloc.cold.116+0xb7/0x1bd
[  439.915143] lowmem_reserve[]: 0 0 3503 3503
[  439.942660]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  439.946988] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  439.951330]  ? lock_downgrade+0x900/0x900
[  439.956139] lowmem_reserve[]: 0 0 0 0
[  439.985137]  ? trace_hardirqs_off+0xb8/0x310
[  439.989270] 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
[  439.993065]  ? trace_hardirqs_off+0xb8/0x310
[  439.997464] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  440.011003]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.015419] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  440.030970]  ? warn_alloc+0x120/0x120
[  440.035771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  440.049910]  ? warn_alloc+0x120/0x120
[  440.053705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  440.062636]  ? __lock_acquire+0x62f/0x4c20
[  440.066420] 2335 total pagecache pages
[  440.066440] 0 pages in swap cache
[  440.075005]  ? warn_alloc+0x120/0x120
[  440.079228] Swap cache stats: add 0, delete 0, find 0/0
[  440.083108]  ? print_usage_bug+0xc0/0xc0
[  440.086537] Free swap  = 0kB
[  440.090339]  ? print_usage_bug+0xc0/0xc0
[  440.095720] Total swap = 0kB
[  440.095729] 1965979 pages RAM
[  440.099785]  ? mark_held_locks+0x130/0x130
[  440.102781] 0 pages HighMem/MovableOnly
[  440.106841]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.109837] 342853 pages reserved
[  440.112939]  ? should_fail+0x22d/0xd01
[  440.117151] 0 pages cma reserved
[  440.121126]  ? zap_class+0x640/0x640
[  440.126819] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.130090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.133959] syz-fuzzer cpuset=/ mems_allowed=0
[  440.137333]  ? __lock_acquire+0x62f/0x4c20
[  440.165162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  440.170268]  ? should_fail+0x22d/0xd01
[  440.174170]  ? mark_held_locks+0x130/0x130
[  440.178433]  ? mark_held_locks+0x130/0x130
[  440.182671]  ? lock_downgrade+0x900/0x900
[  440.186822]  ? zap_class+0x640/0x640
[  440.190546]  ? zap_class+0x640/0x640
[  440.194273]  ? zap_class+0x640/0x640
[  440.198381]  ? do_raw_spin_unlock+0xa7/0x330
[  440.202809]  ? trace_hardirqs_on+0x310/0x310
[  440.207220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.212760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.218304]  ? check_preemption_disabled+0x48/0x280
[  440.223360]  ? __lock_is_held+0xb5/0x140
[  440.227439]  __alloc_pages_nodemask+0xa80/0xde0
[  440.232110]  ? zap_class+0x640/0x640
[  440.235853]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  440.240881]  ? find_held_lock+0x36/0x1c0
[  440.244961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  440.249637]  ? lock_downgrade+0x900/0x900
[  440.253795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.259366]  cache_grow_begin+0xa5/0x8c0
[  440.263437]  ? do_raw_spin_unlock+0xa7/0x330
[  440.267859]  fallback_alloc+0x204/0x2e0
[  440.271847]  ____cache_alloc_node+0x1c7/0x1e0
[  440.276460]  kmem_cache_alloc_node+0xe3/0x730
[  440.280970]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.285575]  __alloc_skb+0x119/0x770
[  440.289304]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  440.294724]  ? netdev_alloc_frag+0x1f0/0x1f0
[  440.299160]  ? vprintk_default+0x28/0x30
[  440.303224]  ? vprintk_func+0x85/0x181
[  440.307122]  ? printk+0xa7/0xcf
[  440.310410]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  440.315186]  ? do_raw_spin_trylock+0x270/0x270
[  440.319776]  new_skb+0x26/0x1c0
[  440.323069]  aoecmd_cfg+0x279/0x7f0
[  440.326705]  ? find_held_lock+0x36/0x1c0
[  440.330772]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  440.335103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.340664]  ? __lock_is_held+0xb5/0x140
[  440.344766]  discover_timer+0x50/0x60
[  440.348573]  call_timer_fn+0x272/0x920
[  440.352468]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.357331]  ? process_timeout+0x40/0x40
[  440.361424]  ? __run_timers+0x7da/0xc70
[  440.365432]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.369930]  ? _raw_spin_unlock_irq+0x27/0x80
[  440.374437]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.379292]  ? lockdep_hardirqs_on+0x296/0x5b0
[  440.383888]  ? trace_hardirqs_on+0xbd/0x310
[  440.388210]  ? kasan_check_read+0x11/0x20
[  440.392388]  ? __run_timers+0x7da/0xc70
[  440.396418]  ? trace_hardirqs_off_caller+0x310/0x310
[  440.401559]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  440.406405]  __run_timers+0x7e5/0xc70
[  440.410226]  ? timer_fixup_init+0x70/0x70
[  440.414384]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  440.419436]  ? zap_class+0x640/0x640
[  440.423161]  ? enqueue_hrtimer+0x1a5/0x560
[  440.427400]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  440.432603]  ? find_held_lock+0x36/0x1c0
[  440.436686]  ? zap_class+0x640/0x640
[  440.440406]  ? pvclock_read_flags+0x160/0x160
[  440.444927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.450486]  ? check_preemption_disabled+0x48/0x280
[  440.455515]  ? __lock_is_held+0xb5/0x140
[  440.459593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.465133]  ? check_preemption_disabled+0x48/0x280
[  440.470158]  run_timer_softirq+0x52/0xb0
[  440.474233]  ? rcu_read_lock_sched_held+0x14f/0x180
[  440.479290]  __do_softirq+0x308/0xb7e
[  440.483110]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  440.487605]  ? lock_downgrade+0x900/0x900
[  440.491778]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  440.496893]  ? pvclock_read_flags+0x160/0x160
[  440.501440]  ? lapic_next_event+0x5a/0x90
[  440.505592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.511136]  ? kvm_clock_read+0x18/0x30
[  440.515115]  ? kvm_sched_clock_read+0x9/0x20
[  440.519529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.525073]  ? check_preemption_disabled+0x48/0x280
[  440.530099]  irq_exit+0x17f/0x1c0
[  440.533587]  smp_apic_timer_interrupt+0x1cb/0x760
[  440.538460]  ? smp_reschedule_interrupt+0x109/0x650
[  440.543477]  ? smp_call_function_single_interrupt+0x650/0x650
[  440.549366]  ? interrupt_entry+0xb5/0xc0
[  440.553438]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.558456]  ? trace_hardirqs_off_caller+0xbb/0x310
[  440.563507]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.568367]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.573383]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.578432]  ? task_prio+0x50/0x50
[  440.581994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.587536]  ? check_preemption_disabled+0x48/0x280
[  440.592574]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.597442]  apic_timer_interrupt+0xf/0x20
[  440.601679]  </IRQ>
[  440.603930] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  440.608866] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  440.627865] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  440.635572] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  440.642848] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  440.650115] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  440.657383] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  440.664657] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  440.671977]  skb_clone+0x1bb/0x500
[  440.675536]  ? finish_task_switch+0x2f4/0x910
[  440.680031]  ? skb_split+0x11e0/0x11e0
[  440.683933]  ? preempt_notifier_register+0x200/0x200
[  440.689052]  ? __switch_to_asm+0x34/0x70
[  440.693113]  ? __switch_to_asm+0x34/0x70
[  440.697170]  ? __switch_to_asm+0x40/0x70
[  440.701249]  ? __switch_to_asm+0x34/0x70
[  440.705306]  ? __switch_to_asm+0x40/0x70
[  440.709379]  ? __switch_to_asm+0x34/0x70
[  440.713463]  ? __switch_to_asm+0x40/0x70
[  440.717527]  ? __switch_to_asm+0x34/0x70
[  440.721600]  ? __switch_to_asm+0x34/0x70
[  440.725661]  ? __switch_to_asm+0x40/0x70
[  440.729725]  ? __switch_to_asm+0x34/0x70
[  440.733796]  bpf_clone_redirect+0xb9/0x490
[  440.738034]  ? __schedule+0x8d7/0x21d0
[  440.741931]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  440.746952]  ? __sched_text_start+0x8/0x8
[  440.751110]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  440.755886]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  440.760487]  ? retint_kernel+0x2d/0x2d
[  440.764397]  ? find_held_lock+0x36/0x1c0
[  440.768473]  ? lock_acquire+0x1ed/0x520
[  440.772483]  ? bpf_test_run+0x3cb/0x780
[  440.776485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  440.782038]  ? check_preemption_disabled+0x48/0x280
[  440.787065]  ? kasan_check_read+0x11/0x20
[  440.791220]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  440.796512]  ? rcu_softirq_qs+0x20/0x20
[  440.800511]  ? preempt_schedule+0x4d/0x60
[  440.804667]  ? ___preempt_schedule+0x16/0x18
[  440.809085]  ? bpf_test_run+0x25d/0x780
[  440.813086]  ? netlink_diag_dump+0x2a0/0x2a0
[  440.817504]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  440.823048]  ? bpf_test_init.isra.10+0x70/0x100
[  440.827727]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  440.832501]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.837354]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  440.842911]  ? fput+0x130/0x1a0
[  440.846212]  ? __bpf_prog_get+0x9b/0x290
[  440.850285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  440.855143]  ? bpf_prog_test_run+0x130/0x1a0
[  440.860440]  ? __x64_sys_bpf+0x3d8/0x520
[  440.864507]  ? bpf_prog_get+0x20/0x20
[  440.868338]  ? do_syscall_64+0x1b9/0x820
[  440.872402]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  440.877838]  ? syscall_return_slowpath+0x5e0/0x5e0
[  440.882764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.887634]  ? trace_hardirqs_on_caller+0x310/0x310
[  440.892675]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  440.897696]  ? prepare_exit_to_usermode+0x291/0x3b0
[  440.902722]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  440.907574]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  440.912967] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  440.913054] aoe: skb alloc failure
[  440.919906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  440.919917] Call Trace:
[  440.919925]  <IRQ>
[  440.919946]  dump_stack+0x244/0x39d
[  440.919965]  ? dump_stack_print_info.cold.1+0x20/0x20
[  440.923538] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  440.932866]  warn_alloc.cold.116+0xb7/0x1bd
[  440.935420] syz-executor1 cpuset=syz1 mems_allowed=0
[  440.937581]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  440.971072]  ? lock_downgrade+0x900/0x900
[  440.975264]  ? trace_hardirqs_off+0xb8/0x310
[  440.979778]  ? trace_hardirqs_off+0xb8/0x310
[  440.984208]  __alloc_pages_slowpath+0x26e8/0x2e10
[  440.989084]  ? warn_alloc+0x120/0x120
[  440.992894]  ? warn_alloc+0x120/0x120
[  440.996704]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.001726]  ? warn_alloc+0x120/0x120
[  441.005559]  ? print_usage_bug+0xc0/0xc0
[  441.009624]  ? print_usage_bug+0xc0/0xc0
[  441.013704]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.018907]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.024459]  ? should_fail+0x22d/0xd01
[  441.028356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.033466]  ? __lock_acquire+0x62f/0x4c20
[  441.037710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.042814]  ? should_fail+0x22d/0xd01
[  441.046719]  ? mark_held_locks+0x130/0x130
[  441.050962]  ? mark_held_locks+0x130/0x130
[  441.055197]  ? print_usage_bug+0xc0/0xc0
[  441.059264]  ? find_held_lock+0x36/0x1c0
[  441.063337]  ? zap_class+0x640/0x640
[  441.067062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.072623]  ? check_preemption_disabled+0x48/0x280
[  441.077671]  ? __lock_is_held+0xb5/0x140
[  441.081755]  __alloc_pages_nodemask+0xa80/0xde0
[  441.086434]  ? zap_class+0x640/0x640
[  441.090160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.095189]  ? find_held_lock+0x36/0x1c0
[  441.099267]  ? ____cache_alloc_node+0x1c7/0x1e0
[  441.103950]  ? lock_downgrade+0x900/0x900
[  441.108113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.113669]  cache_grow_begin+0xa5/0x8c0
[  441.117734]  ? do_raw_spin_unlock+0xa7/0x330
[  441.122152]  fallback_alloc+0x204/0x2e0
[  441.126135]  ____cache_alloc_node+0x1c7/0x1e0
[  441.130645]  kmem_cache_alloc_node+0xe3/0x730
[  441.135142]  ? mark_held_locks+0xc7/0x130
[  441.139321]  __alloc_skb+0x119/0x770
[  441.143047]  ? netdev_alloc_frag+0x1f0/0x1f0
[  441.147461]  ? do_raw_spin_trylock+0x270/0x270
[  441.152050]  ? kmem_cache_alloc_trace+0x353/0x750
[  441.156908]  ? queue_work_on+0x12c/0x1e0
[  441.161000]  ? switchdev_port_obj_del+0xdc/0x440
[  441.165796]  ? switchdev_trans_item_enqueue+0x260/0x260
[  441.171170]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  441.176214]  __br_mdb_notify+0x4ff/0x15d0
[  441.180418]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.185534]  ? __br_mdb_add+0x7f0/0x7f0
[  441.189547]  ? mark_held_locks+0x130/0x130
[  441.193849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.198963]  ? debug_object_assert_init+0x368/0x4b0
[  441.203993]  ? debug_object_init_on_stack+0x20/0x20
[  441.209026]  ? zap_class+0x640/0x640
[  441.212748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.218295]  br_mdb_notify+0x310/0x410
[  441.222233]  ? br_mdb_dump+0x27b0/0x27b0
[  441.226326]  br_multicast_del_pg+0x3df/0x790
[  441.230744]  ? br_mdb_ip_get+0x940/0x940
[  441.234813]  ? rwlock_bug.part.2+0x90/0x90
[  441.239067]  ? __lock_is_held+0xb5/0x140
[  441.243138]  br_multicast_port_group_expired+0x189/0x1e0
[  441.248594]  call_timer_fn+0x272/0x920
[  441.252499]  ? br_multicast_del_pg+0x790/0x790
[  441.257088]  ? process_timeout+0x40/0x40
[  441.261160]  ? mark_held_locks+0xc7/0x130
[  441.265321]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.269906]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.274408]  ? br_multicast_del_pg+0x790/0x790
[  441.279008]  ? lockdep_hardirqs_on+0x296/0x5b0
[  441.283600]  ? trace_hardirqs_on+0xbd/0x310
[  441.287942]  ? kasan_check_read+0x11/0x20
[  441.292123]  ? __run_timers+0x7da/0xc70
[  441.296111]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.301222]  ? br_multicast_del_pg+0x790/0x790
[  441.305817]  ? br_multicast_del_pg+0x790/0x790
[  441.310398]  __run_timers+0x7e5/0xc70
[  441.314221]  ? timer_fixup_init+0x70/0x70
[  441.318375]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  441.323401]  ? zap_class+0x640/0x640
[  441.327124]  ? print_usage_bug+0xc0/0xc0
[  441.331721]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  441.336925]  ? find_held_lock+0x36/0x1c0
[  441.340998]  ? zap_class+0x640/0x640
[  441.344730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.350275]  ? check_preemption_disabled+0x48/0x280
[  441.355321]  ? __lock_is_held+0xb5/0x140
[  441.359391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.364938]  ? check_preemption_disabled+0x48/0x280
[  441.369970]  run_timer_softirq+0x52/0xb0
[  441.374050]  ? rcu_read_lock_sched_held+0x14f/0x180
[  441.379083]  __do_softirq+0x308/0xb7e
[  441.382903]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  441.387412]  ? lock_downgrade+0x900/0x900
[  441.391579]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  441.396693]  ? pvclock_read_flags+0x160/0x160
[  441.401193]  ? lapic_next_event+0x5a/0x90
[  441.405378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.410970]  ? kvm_clock_read+0x18/0x30
[  441.414954]  ? kvm_sched_clock_read+0x9/0x20
[  441.419371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.424925]  ? check_preemption_disabled+0x48/0x280
[  441.429969]  irq_exit+0x17f/0x1c0
[  441.433443]  smp_apic_timer_interrupt+0x1cb/0x760
[  441.438289]  ? smp_reschedule_interrupt+0x109/0x650
[  441.443323]  ? smp_call_function_single_interrupt+0x650/0x650
[  441.449209]  ? interrupt_entry+0xb5/0xc0
[  441.453292]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.458330]  ? trace_hardirqs_off_caller+0xbb/0x310
[  441.463354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.468201]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.473216]  ? trace_hardirqs_on_caller+0x310/0x310
[  441.478262]  ? task_prio+0x50/0x50
[  441.481825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.487392]  ? check_preemption_disabled+0x48/0x280
[  441.492423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  441.497327]  apic_timer_interrupt+0xf/0x20
[  441.501569]  </IRQ>
[  441.503819] RIP: 0010:console_unlock+0x102f/0x1190
[  441.508753] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  441.527658] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  441.535377] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  441.542650] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  441.549941] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  441.557213] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  441.564481] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  441.571766]  ? netconsole_netdev_event+0x280/0x280
[  441.576709]  ? console_unlock+0x1026/0x1190
[  441.581048]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  441.585718]  ? vprintk_emit+0x846/0x990
[  441.589700]  ? lock_release+0xa00/0xa00
[  441.593679]  ? trace_hardirqs_on+0x60/0x310
[  441.598008]  ? vprintk_default+0x28/0x30
[  441.602076]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.607188]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.612769]  vprintk_emit+0x391/0x990
[  441.616619]  ? wake_up_klogd+0x180/0x180
[  441.620695]  ? find_held_lock+0x1/0x1c0
[  441.624681]  ? mark_held_locks+0xc7/0x130
[  441.628840]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.633342]  ? _raw_spin_unlock_irq+0x27/0x80
[  441.637847]  vprintk_default+0x28/0x30
[  441.641756]  vprintk_func+0x7e/0x181
[  441.645475]  printk+0xa7/0xcf
[  441.648584]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  441.653350]  ? _raw_spin_unlock_irq+0x60/0x80
[  441.657866]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  441.663156]  dump_header+0x7cc/0xf72
[  441.666892]  ? pagefault_out_of_memory+0x197/0x197
[  441.671845]  ? __lock_acquire+0x62f/0x4c20
[  441.676097]  ? percpu_ref_get_many+0x240/0x240
[  441.680685]  ? print_usage_bug+0xc0/0xc0
[  441.684765]  ? zap_class+0x640/0x640
[  441.688494]  ? print_usage_bug+0xc0/0xc0
[  441.692565]  ? zap_class+0x640/0x640
[  441.696307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.701866]  ? find_held_lock+0x36/0x1c0
[  441.705944]  ? mark_held_locks+0xc7/0x130
[  441.710098]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.715207]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  441.720337]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  441.724941]  ? trace_hardirqs_on+0xbd/0x310
[  441.729279]  ? kasan_check_read+0x11/0x20
[  441.733445]  ? ___ratelimit+0x3b4/0x672
[  441.737423]  ? trace_hardirqs_off_caller+0x310/0x310
[  441.742533]  ? trace_hardirqs_on+0x310/0x310
[  441.746948]  ? lock_downgrade+0x900/0x900
[  441.751105]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  441.756225]  ? ___ratelimit+0x3b9/0x672
[  441.760210]  ? idr_get_free+0xf70/0xf70
[  441.764188]  ? find_held_lock+0x36/0x1c0
[  441.768266]  oom_kill_process.cold.27+0x10/0x903
[  441.773028]  ? zap_class+0x640/0x640
[  441.776752]  ? check_preemption_disabled+0x48/0x280
[  441.781787]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.786719]  ? kasan_check_read+0x11/0x20
[  441.790888]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.796177]  ? oom_evaluate_task+0x540/0x540
[  441.800596]  ? find_held_lock+0x36/0x1c0
[  441.804672]  ? out_of_memory+0x974/0x1430
[  441.808829]  ? lock_downgrade+0x900/0x900
[  441.813002]  ? check_preemption_disabled+0x48/0x280
[  441.818029]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  441.822964]  ? kasan_check_read+0x11/0x20
[  441.827114]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  441.832393]  ? rcu_softirq_qs+0x20/0x20
[  441.836383]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.841932]  ? oom_evaluate_task+0x302/0x540
[  441.846355]  out_of_memory+0xa84/0x1430
[  441.850373]  ? oom_killer_disable+0x3a0/0x3a0
[  441.854876]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  441.859820]  ? __ww_mutex_check_waiters+0x160/0x160
[  441.864854]  __alloc_pages_slowpath+0x2354/0x2e10
[  441.869733]  ? warn_alloc+0x120/0x120
[  441.873540]  ? mark_held_locks+0x130/0x130
[  441.877796]  ? find_get_entry+0xaae/0x1120
[  441.882150]  ? filemap_map_pages+0x1a20/0x1a20
[  441.886752]  ? zap_class+0x640/0x640
[  441.890479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  441.896035]  ? check_preemption_disabled+0x48/0x280
[  441.901054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  441.906596]  ? should_fail+0x22d/0xd01
[  441.910497]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  441.915610]  ? zap_class+0x640/0x640
[  441.919362]  ? __lock_is_held+0xb5/0x140
[  441.923447]  ? mark_held_locks+0x130/0x130
[  441.927688]  ? lock_release+0xa00/0xa00
[  441.931682]  ? perf_trace_sched_process_exec+0x860/0x860
[  441.937135]  ? xa_load+0x2ba/0x460
[  441.940685]  ? lock_downgrade+0x900/0x900
[  441.944844]  ? __might_sleep+0x95/0x190
[  441.948829]  __alloc_pages_nodemask+0xa80/0xde0
[  441.953509]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  441.958545]  ? __page_cache_alloc+0x191/0x5c0
[  441.963042]  ? xa_load+0x2e1/0x460
[  441.966591]  ? xa_clear_mark+0x40/0x40
[  441.970486]  ? zap_class+0x640/0x640
[  441.974230]  ? zap_class+0x640/0x640
[  441.977962]  ? zap_class+0x640/0x640
[  441.981679]  ? zap_class+0x640/0x640
[  441.985400]  ? __do_page_cache_readahead+0x663/0x810
[  441.990529]  ? find_held_lock+0x36/0x1c0
[  441.994599]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  442.000150]  alloc_pages_current+0x173/0x350
[  442.004606]  __page_cache_alloc+0x38c/0x5c0
[  442.008933]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.013868]  ? kasan_check_read+0x11/0x20
[  442.018036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.023328]  ? generic_perform_write+0x6a0/0x6a0
[  442.028089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.033631]  ? check_preemption_disabled+0x48/0x280
[  442.038659]  filemap_fault+0x1595/0x25f0
[  442.042745]  ? __lock_page_or_retry+0xa00/0xa00
[  442.047422]  ? mark_held_locks+0x130/0x130
[  442.051684]  ? filemap_map_pages+0xd6b/0x1a20
[  442.056183]  ? lock_downgrade+0x900/0x900
[  442.060341]  ? check_preemption_disabled+0x48/0x280
[  442.065365]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.070296]  ? kasan_check_read+0x11/0x20
[  442.074461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.079746]  ? rcu_softirq_qs+0x20/0x20
[  442.083740]  ? filemap_map_pages+0xd92/0x1a20
[  442.088245]  ? queue_work_on+0x12c/0x1e0
[  442.092325]  ? find_get_entries_tag+0x1400/0x1400
[  442.097179]  ? debug_object_destroy+0x2b0/0x2b0
[  442.101853]  ? lock_pi_update_atomic+0x150/0x150
[  442.106622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.112181]  ? lock_acquire+0x1ed/0x520
[  442.116166]  ? ext4_filemap_fault+0x7a/0xad
[  442.120508]  ? lock_release+0xa00/0xa00
[  442.124485]  ? perf_trace_sched_process_exec+0x860/0x860
[  442.129948]  ? print_usage_bug+0xc0/0xc0
[  442.134015]  ? print_usage_bug+0xc0/0xc0
[  442.138090]  ? down_read+0x8d/0x120
[  442.141730]  ? ext4_filemap_fault+0x7a/0xad
[  442.146055]  ? __down_interruptible+0x700/0x700
[  442.150739]  ext4_filemap_fault+0x82/0xad
[  442.154908]  __do_fault+0x100/0x6b0
[  442.158549]  ? find_held_lock+0x36/0x1c0
[  442.162620]  ? pmd_devmap_trans_unstable+0x220/0x220
[  442.167733]  ? mark_held_locks+0x130/0x130
[  442.171976]  ? mark_held_locks+0x130/0x130
[  442.176250]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.180757]  ? _raw_spin_unlock_irq+0x27/0x80
[  442.185268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  442.189873]  ? kasan_check_read+0x11/0x20
[  442.194034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.199841]  __handle_mm_fault+0x3ea0/0x5be0
[  442.204267]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  442.209115]  ? finish_task_switch+0x1f4/0x910
[  442.213611]  ? finish_task_switch+0x1b4/0x910
[  442.218138]  ? __switch_to_asm+0x34/0x70
[  442.222222]  ? preempt_notifier_register+0x200/0x200
[  442.227333]  ? __switch_to_asm+0x34/0x70
[  442.231402]  ? __switch_to_asm+0x34/0x70
[  442.235481]  ? zap_class+0x640/0x640
[  442.239215]  ? zap_class+0x640/0x640
[  442.242948]  ? __x64_sys_futex+0x53e/0x6a0
[  442.247194]  ? find_held_lock+0x36/0x1c0
[  442.251266]  ? handle_mm_fault+0x42a/0xc70
[  442.255506]  ? lock_downgrade+0x900/0x900
[  442.259656]  ? check_preemption_disabled+0x48/0x280
[  442.264678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  442.269640]  ? kasan_check_read+0x11/0x20
[  442.273795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  442.279078]  ? rcu_softirq_qs+0x20/0x20
[  442.283062]  ? trace_hardirqs_off_caller+0x310/0x310
[  442.288173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.293716]  ? check_preemption_disabled+0x48/0x280
[  442.298748]  handle_mm_fault+0x54f/0xc70
[  442.302816]  ? __handle_mm_fault+0x5be0/0x5be0
[  442.307411]  ? find_vma+0x34/0x190
[  442.310972]  __do_page_fault+0x5e8/0xe60
[  442.315038]  ? trace_hardirqs_off+0xb8/0x310
[  442.319474]  do_page_fault+0xf2/0x7e0
[  442.323280]  ? vmalloc_sync_all+0x30/0x30
[  442.327439]  ? error_entry+0x70/0xd0
[  442.331158]  ? trace_hardirqs_off_caller+0xbb/0x310
[  442.336177]  ? trace_hardirqs_on_caller+0xc0/0x310
[  442.341110]  ? syscall_return_slowpath+0x5e0/0x5e0
[  442.346040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.350902]  ? trace_hardirqs_on_caller+0x310/0x310
[  442.355956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  442.361415]  ? prepare_exit_to_usermode+0x291/0x3b0
[  442.366460]  ? page_fault+0x8/0x30
[  442.370013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  442.374858]  ? page_fault+0x8/0x30
[  442.378450]  page_fault+0x1e/0x30
[  442.381904] RIP: 0033:0x45ddf3
[  442.385115] Code: Bad RIP value.
[  442.388525] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  442.393886] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  442.401185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  442.408457] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  442.415744] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  442.423017] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  442.430336] warn_alloc_show_mem: 1 callbacks suppressed
[  442.430349] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  442.430351] Mem-Info:
[  442.430383] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  442.430383]  active_file:15 inactive_file:15 isolated_file:0
[  442.430383]  unevictable:0 dirty:0 writeback:0 unstable:0
[  442.430383]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  442.430383]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  442.430383]  free:13750 free_pcp:296 free_cma:0
[  442.435768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  442.443055] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  442.445460] Call Trace:
[  442.478509] 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
[  442.487879]  <IRQ>
[  442.515361] lowmem_reserve[]: 0 2818 6321 6321
[  442.517966]  dump_stack+0x244/0x39d
[  442.544062] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  442.546233]  ? dump_stack_print_info.cold.1+0x20/0x20
[  442.550779] lowmem_reserve[]: 0 0 3503 3503
[  442.554425]  warn_alloc.cold.116+0xb7/0x1bd
[  442.581890] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  442.587085]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  442.591375] lowmem_reserve[]: 0 0 0 0
[  442.595724]  ? lock_downgrade+0x900/0x900
[  442.624676] 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
[  442.629532]  ? trace_hardirqs_off+0xb8/0x310
[  442.633295] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  442.637462]  ? trace_hardirqs_off+0xb8/0x310
[  442.650962] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  442.655378]  __alloc_pages_slowpath+0x26e8/0x2e10
[  442.670878] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  442.675319]  ? warn_alloc+0x120/0x120
[  442.689401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  442.694253]  ? warn_alloc+0x120/0x120
[  442.703057] 2335 total pagecache pages
[  442.706857]  ? __lock_acquire+0x62f/0x4c20
[  442.715414] 0 pages in swap cache
[  442.719208]  ? warn_alloc+0x120/0x120
[  442.723071] Swap cache stats: add 0, delete 0, find 0/0
[  442.727308]  ? print_usage_bug+0xc0/0xc0
[  442.730758] Free swap  = 0kB
[  442.734554]  ? print_usage_bug+0xc0/0xc0
[  442.739891] Total swap = 0kB
[  442.743946]  ? mark_held_locks+0x130/0x130
[  442.746947] 1965979 pages RAM
[  442.751010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  442.753994] 0 pages HighMem/MovableOnly
[  442.754003] 342853 pages reserved
[  442.758234]  ? should_fail+0x22d/0xd01
[  442.761324] 0 pages cma reserved
[  442.766863]  ? zap_class+0x640/0x640
[  442.771004] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  442.774278]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.778150] syz-fuzzer cpuset=/ mems_allowed=0
[  442.781526]  ? __lock_acquire+0x62f/0x4c20
[  442.809334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  442.814444]  ? should_fail+0x22d/0xd01
[  442.818359]  ? mark_held_locks+0x130/0x130
[  442.822598]  ? mark_held_locks+0x130/0x130
[  442.826836]  ? lock_downgrade+0x900/0x900
[  442.830996]  ? zap_class+0x640/0x640
[  442.834714]  ? zap_class+0x640/0x640
[  442.838459]  ? zap_class+0x640/0x640
[  442.842175]  ? do_raw_spin_unlock+0xa7/0x330
[  442.846585]  ? trace_hardirqs_on+0x310/0x310
[  442.850999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.856544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.862089]  ? check_preemption_disabled+0x48/0x280
[  442.867127]  ? __lock_is_held+0xb5/0x140
[  442.871200]  __alloc_pages_nodemask+0xa80/0xde0
[  442.875873]  ? zap_class+0x640/0x640
[  442.879611]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  442.884644]  ? find_held_lock+0x36/0x1c0
[  442.888720]  ? ____cache_alloc_node+0x1c7/0x1e0
[  442.893393]  ? lock_downgrade+0x900/0x900
[  442.897556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.903104]  cache_grow_begin+0xa5/0x8c0
[  442.907189]  ? do_raw_spin_unlock+0xa7/0x330
[  442.911608]  fallback_alloc+0x204/0x2e0
[  442.915595]  ____cache_alloc_node+0x1c7/0x1e0
[  442.920099]  kmem_cache_alloc_node+0xe3/0x730
[  442.924611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  442.929211]  __alloc_skb+0x119/0x770
[  442.932926]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  442.938297]  ? netdev_alloc_frag+0x1f0/0x1f0
[  442.942730]  ? vprintk_default+0x28/0x30
[  442.946796]  ? vprintk_func+0x85/0x181
[  442.950691]  ? printk+0xa7/0xcf
[  442.953976]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  442.958744]  ? do_raw_spin_trylock+0x270/0x270
[  442.963340]  new_skb+0x26/0x1c0
[  442.966625]  aoecmd_cfg+0x279/0x7f0
[  442.970256]  ? find_held_lock+0x36/0x1c0
[  442.974325]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  442.978657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  442.984241]  ? __lock_is_held+0xb5/0x140
[  442.988341]  discover_timer+0x50/0x60
[  442.992155]  call_timer_fn+0x272/0x920
[  442.996057]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  443.000910]  ? process_timeout+0x40/0x40
[  443.004984]  ? __run_timers+0x7da/0xc70
[  443.008970]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.013472]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.017976]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  443.022826]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.027453]  ? trace_hardirqs_on+0xbd/0x310
[  443.031781]  ? kasan_check_read+0x11/0x20
[  443.035934]  ? __run_timers+0x7da/0xc70
[  443.039913]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.045036]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  443.049890]  __run_timers+0x7e5/0xc70
[  443.053739]  ? timer_fixup_init+0x70/0x70
[  443.057899]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.062989]  ? zap_class+0x640/0x640
[  443.066711]  ? enqueue_hrtimer+0x1a5/0x560
[  443.071009]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.076208]  ? find_held_lock+0x36/0x1c0
[  443.080277]  ? zap_class+0x640/0x640
[  443.084011]  ? pvclock_read_flags+0x160/0x160
[  443.088519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.094062]  ? check_preemption_disabled+0x48/0x280
[  443.099095]  ? __lock_is_held+0xb5/0x140
[  443.103167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.108712]  ? check_preemption_disabled+0x48/0x280
[  443.113738]  run_timer_softirq+0x52/0xb0
[  443.117839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  443.122873]  __do_softirq+0x308/0xb7e
[  443.126678]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  443.131178]  ? lock_downgrade+0x900/0x900
[  443.135356]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  443.140470]  ? pvclock_read_flags+0x160/0x160
[  443.144971]  ? lapic_next_event+0x5a/0x90
[  443.149126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.154674]  ? kvm_clock_read+0x18/0x30
[  443.158653]  ? kvm_sched_clock_read+0x9/0x20
[  443.163072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.168626]  ? check_preemption_disabled+0x48/0x280
[  443.173663]  irq_exit+0x17f/0x1c0
[  443.177131]  smp_apic_timer_interrupt+0x1cb/0x760
[  443.181988]  ? smp_reschedule_interrupt+0x109/0x650
[  443.187010]  ? smp_call_function_single_interrupt+0x650/0x650
[  443.192897]  ? interrupt_entry+0xb5/0xc0
[  443.196963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.202017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  443.207041]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.211887]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.216912]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.221946]  ? task_prio+0x50/0x50
[  443.225505]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.231049]  ? check_preemption_disabled+0x48/0x280
[  443.236077]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.240931]  apic_timer_interrupt+0xf/0x20
[  443.245197]  </IRQ>
[  443.247446] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  443.252397] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  443.271301] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  443.279108] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  443.286377] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  443.293645] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  443.300914] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  443.308183] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  443.315499]  skb_clone+0x1bb/0x500
[  443.319056]  ? finish_task_switch+0x2f4/0x910
[  443.323558]  ? skb_split+0x11e0/0x11e0
[  443.327464]  ? preempt_notifier_register+0x200/0x200
[  443.332766]  ? __switch_to_asm+0x34/0x70
[  443.336827]  ? __switch_to_asm+0x34/0x70
[  443.340890]  ? __switch_to_asm+0x40/0x70
[  443.344961]  ? __switch_to_asm+0x34/0x70
[  443.349020]  ? __switch_to_asm+0x40/0x70
[  443.353080]  ? __switch_to_asm+0x34/0x70
[  443.357154]  ? __switch_to_asm+0x40/0x70
[  443.361213]  ? __switch_to_asm+0x34/0x70
[  443.365282]  ? __switch_to_asm+0x34/0x70
[  443.369367]  ? __switch_to_asm+0x40/0x70
[  443.373434]  ? __switch_to_asm+0x34/0x70
[  443.377517]  bpf_clone_redirect+0xb9/0x490
[  443.381759]  ? __schedule+0x8d7/0x21d0
[  443.385662]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  443.390696]  ? __sched_text_start+0x8/0x8
[  443.394850]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  443.399636]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  443.404219]  ? retint_kernel+0x2d/0x2d
[  443.408119]  ? find_held_lock+0x36/0x1c0
[  443.412205]  ? lock_acquire+0x1ed/0x520
[  443.416183]  ? bpf_test_run+0x3cb/0x780
[  443.420183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.425769]  ? check_preemption_disabled+0x48/0x280
[  443.430800]  ? kasan_check_read+0x11/0x20
[  443.434966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  443.440247]  ? rcu_softirq_qs+0x20/0x20
[  443.444230]  ? preempt_schedule+0x4d/0x60
[  443.448387]  ? ___preempt_schedule+0x16/0x18
[  443.452813]  ? bpf_test_run+0x25d/0x780
[  443.456803]  ? netlink_diag_dump+0x2a0/0x2a0
[  443.461216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.466772]  ? bpf_test_init.isra.10+0x70/0x100
[  443.471451]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  443.476227]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.481101]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  443.486640]  ? fput+0x130/0x1a0
[  443.489925]  ? __bpf_prog_get+0x9b/0x290
[  443.493993]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  443.498844]  ? bpf_prog_test_run+0x130/0x1a0
[  443.503256]  ? __x64_sys_bpf+0x3d8/0x520
[  443.507325]  ? bpf_prog_get+0x20/0x20
[  443.511157]  ? do_syscall_64+0x1b9/0x820
[  443.515223]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  443.520595]  ? syscall_return_slowpath+0x5e0/0x5e0
[  443.525540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.530388]  ? trace_hardirqs_on_caller+0x310/0x310
[  443.535416]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  443.540454]  ? prepare_exit_to_usermode+0x291/0x3b0
[  443.545480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  443.550348]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  443.555741] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  443.555859] aoe: skb alloc failure
[  443.562672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  443.562681] Call Trace:
[  443.566294] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  443.575566]  <IRQ>
[  443.578181] syz-executor1 cpuset=syz1 mems_allowed=0
[  443.588662]  dump_stack+0x244/0x39d
[  443.599527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  443.604743]  warn_alloc.cold.116+0xb7/0x1bd
[  443.609075]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  443.613943]  ? lock_downgrade+0x900/0x900
[  443.618111]  ? trace_hardirqs_off+0xb8/0x310
[  443.622533]  ? trace_hardirqs_off+0xb8/0x310
[  443.626964]  __alloc_pages_slowpath+0x26e8/0x2e10
[  443.631845]  ? warn_alloc+0x120/0x120
[  443.635665]  ? warn_alloc+0x120/0x120
[  443.639504]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.644531]  ? warn_alloc+0x120/0x120
[  443.648351]  ? print_usage_bug+0xc0/0xc0
[  443.652420]  ? print_usage_bug+0xc0/0xc0
[  443.656490]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.661702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  443.667247]  ? should_fail+0x22d/0xd01
[  443.671146]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.676281]  ? __lock_acquire+0x62f/0x4c20
[  443.680525]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  443.685650]  ? should_fail+0x22d/0xd01
[  443.689557]  ? mark_held_locks+0x130/0x130
[  443.693806]  ? mark_held_locks+0x130/0x130
[  443.698057]  ? print_usage_bug+0xc0/0xc0
[  443.702126]  ? find_held_lock+0x36/0x1c0
[  443.706199]  ? zap_class+0x640/0x640
[  443.709951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.715497]  ? check_preemption_disabled+0x48/0x280
[  443.720539]  ? __lock_is_held+0xb5/0x140
[  443.724628]  __alloc_pages_nodemask+0xa80/0xde0
[  443.729300]  ? zap_class+0x640/0x640
[  443.733029]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  443.738059]  ? find_held_lock+0x36/0x1c0
[  443.742146]  ? ____cache_alloc_node+0x1c7/0x1e0
[  443.746828]  ? lock_downgrade+0x900/0x900
[  443.750993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.756536]  cache_grow_begin+0xa5/0x8c0
[  443.760602]  ? do_raw_spin_unlock+0xa7/0x330
[  443.765020]  fallback_alloc+0x204/0x2e0
[  443.769000]  ____cache_alloc_node+0x1c7/0x1e0
[  443.773507]  kmem_cache_alloc_node+0xe3/0x730
[  443.778008]  ? mark_held_locks+0xc7/0x130
[  443.782184]  __alloc_skb+0x119/0x770
[  443.785921]  ? netdev_alloc_frag+0x1f0/0x1f0
[  443.790338]  ? do_raw_spin_trylock+0x270/0x270
[  443.794928]  ? kmem_cache_alloc_trace+0x353/0x750
[  443.799794]  ? queue_work_on+0x12c/0x1e0
[  443.803870]  ? switchdev_port_obj_del+0xdc/0x440
[  443.808649]  ? switchdev_trans_item_enqueue+0x260/0x260
[  443.814019]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  443.819041]  __br_mdb_notify+0x4ff/0x15d0
[  443.823193]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  443.828308]  ? __br_mdb_add+0x7f0/0x7f0
[  443.832299]  ? mark_held_locks+0x130/0x130
[  443.836550]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  443.841661]  ? debug_object_assert_init+0x368/0x4b0
[  443.846685]  ? debug_object_init_on_stack+0x20/0x20
[  443.851705]  ? zap_class+0x640/0x640
[  443.855429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.860978]  br_mdb_notify+0x310/0x410
[  443.864911]  ? br_mdb_dump+0x27b0/0x27b0
[  443.869003]  br_multicast_del_pg+0x3df/0x790
[  443.873427]  ? br_mdb_ip_get+0x940/0x940
[  443.877490]  ? rwlock_bug.part.2+0x90/0x90
[  443.881763]  ? __lock_is_held+0xb5/0x140
[  443.885847]  br_multicast_port_group_expired+0x189/0x1e0
[  443.891302]  call_timer_fn+0x272/0x920
[  443.895214]  ? br_multicast_del_pg+0x790/0x790
[  443.899803]  ? process_timeout+0x40/0x40
[  443.903876]  ? mark_held_locks+0xc7/0x130
[  443.908034]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.912530]  ? _raw_spin_unlock_irq+0x27/0x80
[  443.917044]  ? br_multicast_del_pg+0x790/0x790
[  443.921641]  ? lockdep_hardirqs_on+0x296/0x5b0
[  443.926228]  ? trace_hardirqs_on+0xbd/0x310
[  443.930562]  ? kasan_check_read+0x11/0x20
[  443.934712]  ? __run_timers+0x7da/0xc70
[  443.938699]  ? trace_hardirqs_off_caller+0x310/0x310
[  443.943812]  ? br_multicast_del_pg+0x790/0x790
[  443.948403]  ? br_multicast_del_pg+0x790/0x790
[  443.952984]  __run_timers+0x7e5/0xc70
[  443.956809]  ? timer_fixup_init+0x70/0x70
[  443.960963]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  443.965989]  ? zap_class+0x640/0x640
[  443.969732]  ? print_usage_bug+0xc0/0xc0
[  443.973828]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  443.979053]  ? find_held_lock+0x36/0x1c0
[  443.983148]  ? zap_class+0x640/0x640
[  443.986869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  443.992415]  ? check_preemption_disabled+0x48/0x280
[  443.997452]  ? __lock_is_held+0xb5/0x140
[  444.001523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.007065]  ? check_preemption_disabled+0x48/0x280
[  444.012093]  run_timer_softirq+0x52/0xb0
[  444.016160]  ? rcu_read_lock_sched_held+0x14f/0x180
[  444.021182]  __do_softirq+0x308/0xb7e
[  444.024989]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  444.029503]  ? lock_downgrade+0x900/0x900
[  444.033660]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  444.038788]  ? pvclock_read_flags+0x160/0x160
[  444.043302]  ? lapic_next_event+0x5a/0x90
[  444.047469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.053023]  ? kvm_clock_read+0x18/0x30
[  444.056999]  ? kvm_sched_clock_read+0x9/0x20
[  444.061414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.066961]  ? check_preemption_disabled+0x48/0x280
[  444.071995]  irq_exit+0x17f/0x1c0
[  444.075471]  smp_apic_timer_interrupt+0x1cb/0x760
[  444.080324]  ? smp_reschedule_interrupt+0x109/0x650
[  444.085353]  ? smp_call_function_single_interrupt+0x650/0x650
[  444.091413]  ? interrupt_entry+0xb5/0xc0
[  444.095497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.100534]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.105561]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.110413]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.115458]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.120478]  ? task_prio+0x50/0x50
[  444.124025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.129575]  ? check_preemption_disabled+0x48/0x280
[  444.134604]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.139460]  apic_timer_interrupt+0xf/0x20
[  444.143698]  </IRQ>
[  444.145946] RIP: 0010:console_unlock+0x102f/0x1190
[  444.150881] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  444.169806] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  444.177530] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  444.184802] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  444.192071] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  444.199431] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  444.206699] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  444.213984]  ? netconsole_netdev_event+0x280/0x280
[  444.218943]  ? console_unlock+0x1026/0x1190
[  444.223286]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  444.227977]  ? vprintk_emit+0x846/0x990
[  444.231961]  ? lock_release+0xa00/0xa00
[  444.235957]  ? trace_hardirqs_on+0x60/0x310
[  444.240292]  ? vprintk_default+0x28/0x30
[  444.244368]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.249476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.255023]  vprintk_emit+0x391/0x990
[  444.258838]  ? wake_up_klogd+0x180/0x180
[  444.262920]  ? find_held_lock+0x1/0x1c0
[  444.266917]  ? mark_held_locks+0xc7/0x130
[  444.271073]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.275581]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.280084]  vprintk_default+0x28/0x30
[  444.283977]  vprintk_func+0x7e/0x181
[  444.287694]  printk+0xa7/0xcf
[  444.290810]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  444.295588]  ? _raw_spin_unlock_irq+0x60/0x80
[  444.300115]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  444.305406]  dump_header+0x7cc/0xf72
[  444.309137]  ? pagefault_out_of_memory+0x197/0x197
[  444.314076]  ? __lock_acquire+0x62f/0x4c20
[  444.318329]  ? percpu_ref_get_many+0x240/0x240
[  444.322921]  ? print_usage_bug+0xc0/0xc0
[  444.326996]  ? zap_class+0x640/0x640
[  444.330721]  ? print_usage_bug+0xc0/0xc0
[  444.334794]  ? zap_class+0x640/0x640
[  444.338521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.344067]  ? find_held_lock+0x36/0x1c0
[  444.348143]  ? mark_held_locks+0xc7/0x130
[  444.352295]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.357423]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  444.362530]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.367121]  ? trace_hardirqs_on+0xbd/0x310
[  444.371448]  ? kasan_check_read+0x11/0x20
[  444.375607]  ? ___ratelimit+0x3b4/0x672
[  444.379584]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.384690]  ? trace_hardirqs_on+0x310/0x310
[  444.389102]  ? lock_downgrade+0x900/0x900
[  444.393264]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  444.398376]  ? ___ratelimit+0x3b9/0x672
[  444.402364]  ? idr_get_free+0xf70/0xf70
[  444.406347]  ? find_held_lock+0x36/0x1c0
[  444.410423]  oom_kill_process.cold.27+0x10/0x903
[  444.415191]  ? zap_class+0x640/0x640
[  444.418910]  ? check_preemption_disabled+0x48/0x280
[  444.423939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.428887]  ? kasan_check_read+0x11/0x20
[  444.433040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.438333]  ? oom_evaluate_task+0x540/0x540
[  444.442780]  ? find_held_lock+0x36/0x1c0
[  444.446855]  ? out_of_memory+0x974/0x1430
[  444.451009]  ? lock_downgrade+0x900/0x900
[  444.455162]  ? check_preemption_disabled+0x48/0x280
[  444.460186]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.465128]  ? kasan_check_read+0x11/0x20
[  444.469279]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.474565]  ? rcu_softirq_qs+0x20/0x20
[  444.478562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.484104]  ? oom_evaluate_task+0x302/0x540
[  444.488531]  out_of_memory+0xa84/0x1430
[  444.492523]  ? oom_killer_disable+0x3a0/0x3a0
[  444.497037]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  444.501976]  ? __ww_mutex_check_waiters+0x160/0x160
[  444.507008]  __alloc_pages_slowpath+0x2354/0x2e10
[  444.511890]  ? warn_alloc+0x120/0x120
[  444.515718]  ? mark_held_locks+0x130/0x130
[  444.519960]  ? find_get_entry+0xaae/0x1120
[  444.524211]  ? filemap_map_pages+0x1a20/0x1a20
[  444.528803]  ? zap_class+0x640/0x640
[  444.532564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.538120]  ? check_preemption_disabled+0x48/0x280
[  444.543147]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.548692]  ? should_fail+0x22d/0xd01
[  444.552597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  444.557718]  ? zap_class+0x640/0x640
[  444.561461]  ? __lock_is_held+0xb5/0x140
[  444.565539]  ? mark_held_locks+0x130/0x130
[  444.569886]  ? lock_release+0xa00/0xa00
[  444.573869]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.579366]  ? xa_load+0x2ba/0x460
[  444.582925]  ? lock_downgrade+0x900/0x900
[  444.587086]  ? __might_sleep+0x95/0x190
[  444.591079]  __alloc_pages_nodemask+0xa80/0xde0
[  444.595769]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  444.600798]  ? __page_cache_alloc+0x191/0x5c0
[  444.605325]  ? xa_load+0x2e1/0x460
[  444.608879]  ? xa_clear_mark+0x40/0x40
[  444.612775]  ? zap_class+0x640/0x640
[  444.616513]  ? zap_class+0x640/0x640
[  444.620258]  ? zap_class+0x640/0x640
[  444.623979]  ? zap_class+0x640/0x640
[  444.627697]  ? __do_page_cache_readahead+0x663/0x810
[  444.632825]  ? find_held_lock+0x36/0x1c0
[  444.636894]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  444.642446]  alloc_pages_current+0x173/0x350
[  444.646868]  __page_cache_alloc+0x38c/0x5c0
[  444.651191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.656140]  ? kasan_check_read+0x11/0x20
[  444.660290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.665594]  ? generic_perform_write+0x6a0/0x6a0
[  444.670352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.675911]  ? check_preemption_disabled+0x48/0x280
[  444.680956]  filemap_fault+0x1595/0x25f0
[  444.685038]  ? __lock_page_or_retry+0xa00/0xa00
[  444.689713]  ? mark_held_locks+0x130/0x130
[  444.693982]  ? filemap_map_pages+0xd6b/0x1a20
[  444.698486]  ? lock_downgrade+0x900/0x900
[  444.702635]  ? check_preemption_disabled+0x48/0x280
[  444.707689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.712620]  ? kasan_check_read+0x11/0x20
[  444.716783]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.722060]  ? rcu_softirq_qs+0x20/0x20
[  444.726060]  ? filemap_map_pages+0xd92/0x1a20
[  444.730570]  ? queue_work_on+0x12c/0x1e0
[  444.734654]  ? find_get_entries_tag+0x1400/0x1400
[  444.739507]  ? debug_object_destroy+0x2b0/0x2b0
[  444.744190]  ? lock_pi_update_atomic+0x150/0x150
[  444.748963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  444.754522]  ? lock_acquire+0x1ed/0x520
[  444.758526]  ? ext4_filemap_fault+0x7a/0xad
[  444.762859]  ? lock_release+0xa00/0xa00
[  444.766834]  ? perf_trace_sched_process_exec+0x860/0x860
[  444.772308]  ? print_usage_bug+0xc0/0xc0
[  444.776384]  ? print_usage_bug+0xc0/0xc0
[  444.780481]  ? down_read+0x8d/0x120
[  444.784109]  ? ext4_filemap_fault+0x7a/0xad
[  444.788440]  ? __down_interruptible+0x700/0x700
[  444.793130]  ext4_filemap_fault+0x82/0xad
[  444.797297]  __do_fault+0x100/0x6b0
[  444.800945]  ? find_held_lock+0x36/0x1c0
[  444.805011]  ? pmd_devmap_trans_unstable+0x220/0x220
[  444.810122]  ? mark_held_locks+0x130/0x130
[  444.814373]  ? mark_held_locks+0x130/0x130
[  444.818621]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.823133]  ? _raw_spin_unlock_irq+0x27/0x80
[  444.827638]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  444.832234]  ? kasan_check_read+0x11/0x20
[  444.836398]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.841949]  __handle_mm_fault+0x3ea0/0x5be0
[  444.846375]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  444.851235]  ? finish_task_switch+0x1f4/0x910
[  444.855733]  ? finish_task_switch+0x1b4/0x910
[  444.860234]  ? __switch_to_asm+0x34/0x70
[  444.864305]  ? preempt_notifier_register+0x200/0x200
[  444.869415]  ? __switch_to_asm+0x34/0x70
[  444.873486]  ? __switch_to_asm+0x34/0x70
[  444.877614]  ? zap_class+0x640/0x640
[  444.881352]  ? zap_class+0x640/0x640
[  444.885071]  ? __x64_sys_futex+0x53e/0x6a0
[  444.889335]  ? find_held_lock+0x36/0x1c0
[  444.893419]  ? handle_mm_fault+0x42a/0xc70
[  444.897665]  ? lock_downgrade+0x900/0x900
[  444.901817]  ? check_preemption_disabled+0x48/0x280
[  444.906843]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  444.911779]  ? kasan_check_read+0x11/0x20
[  444.915937]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  444.921218]  ? rcu_softirq_qs+0x20/0x20
[  444.925319]  ? trace_hardirqs_off_caller+0x310/0x310
[  444.930452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  444.936002]  ? check_preemption_disabled+0x48/0x280
[  444.941050]  handle_mm_fault+0x54f/0xc70
[  444.945118]  ? __handle_mm_fault+0x5be0/0x5be0
[  444.949711]  ? find_vma+0x34/0x190
[  444.953261]  __do_page_fault+0x5e8/0xe60
[  444.957337]  ? trace_hardirqs_off+0xb8/0x310
[  444.961770]  do_page_fault+0xf2/0x7e0
[  444.965581]  ? vmalloc_sync_all+0x30/0x30
[  444.969744]  ? error_entry+0x70/0xd0
[  444.973464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  444.978495]  ? trace_hardirqs_on_caller+0xc0/0x310
[  444.983442]  ? syscall_return_slowpath+0x5e0/0x5e0
[  444.988375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  444.993222]  ? trace_hardirqs_on_caller+0x310/0x310
[  444.998253]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  445.003711]  ? prepare_exit_to_usermode+0x291/0x3b0
[  445.008733]  ? page_fault+0x8/0x30
[  445.012279]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.017136]  ? page_fault+0x8/0x30
[  445.020679]  page_fault+0x1e/0x30
[  445.024157] RIP: 0033:0x45ddf3
[  445.027378] Code: Bad RIP value.
[  445.030749] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  445.036115] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  445.043393] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  445.050671] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  445.057943] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  445.065213] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  445.072513] warn_alloc_show_mem: 1 callbacks suppressed
[  445.072525] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  445.072527] Mem-Info:
[  445.072559] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  445.072559]  active_file:15 inactive_file:15 isolated_file:0
[  445.072559]  unevictable:0 dirty:0 writeback:0 unstable:0
[  445.072559]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  445.072559]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  445.072559]  free:13750 free_pcp:296 free_cma:0
[  445.077937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  445.077961] Call Trace:
[  445.085248] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  445.087647]  <IRQ>
[  445.120707] 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
[  445.130096]  dump_stack+0x244/0x39d
[  445.132646] lowmem_reserve[]: 0 2818 6321 6321
[  445.160176]  ? dump_stack_print_info.cold.1+0x20/0x20
[  445.162296] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  445.188427]  warn_alloc.cold.116+0xb7/0x1bd
[  445.192021] lowmem_reserve[]: 0 0 3503 3503
[  445.196612]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  445.201783] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  445.229281]  ? lock_downgrade+0x900/0x900
[  445.233570] lowmem_reserve[]: 0 0 0 0
[  445.237907]  ? trace_hardirqs_off+0xb8/0x310
[  445.242727] 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
[  445.271719]  ? trace_hardirqs_off+0xb8/0x310
[  445.275837] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  445.279742]  __alloc_pages_slowpath+0x26e8/0x2e10
[  445.284124] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  445.297666]  ? warn_alloc+0x120/0x120
[  445.302048] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  445.317570]  ? warn_alloc+0x120/0x120
[  445.322404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  445.336658]  ? warn_alloc+0x120/0x120
[  445.340441] 2335 total pagecache pages
[  445.349280]  ? print_usage_bug+0xc0/0xc0
[  445.353067] 0 pages in swap cache
[  445.361632]  ? print_usage_bug+0xc0/0xc0
[  445.365418] Swap cache stats: add 0, delete 0, find 0/0
[  445.369344]  ? ktime_get+0x2c1/0x400
[  445.373390] Free swap  = 0kB
[  445.376861]  ? check_preemption_disabled+0x48/0x280
[  445.380897] Total swap = 0kB
[  445.386252]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.389944] 1965979 pages RAM
[  445.392962]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.397953] 0 pages HighMem/MovableOnly
[  445.400989]  ? should_fail+0x22d/0xd01
[  445.405456] 342853 pages reserved
[  445.405465] 0 pages cma reserved
[  445.408583]  ? kasan_check_read+0x11/0x20
[  445.414276] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  445.418059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.421939] syz-fuzzer cpuset=/ mems_allowed=0
[  445.425388]  ? __lock_acquire+0x62f/0x4c20
[  445.456968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  445.462076]  ? should_fail+0x22d/0xd01
[  445.466068]  ? print_usage_bug+0xc0/0xc0
[  445.470145]  ? mark_held_locks+0x130/0x130
[  445.474383]  ? mark_held_locks+0x130/0x130
[  445.478630]  ? check_preemption_disabled+0x48/0x280
[  445.483682]  ? zap_class+0x640/0x640
[  445.487421]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  445.492190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.497734]  ? check_preemption_disabled+0x48/0x280
[  445.502774]  ? __lock_is_held+0xb5/0x140
[  445.506847]  __alloc_pages_nodemask+0xa80/0xde0
[  445.511518]  ? zap_class+0x640/0x640
[  445.515241]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  445.520295]  ? find_held_lock+0x36/0x1c0
[  445.524381]  ? ____cache_alloc_node+0x1c7/0x1e0
[  445.529061]  ? lock_downgrade+0x900/0x900
[  445.533229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.538774]  cache_grow_begin+0xa5/0x8c0
[  445.542841]  ? do_raw_spin_unlock+0xa7/0x330
[  445.547296]  fallback_alloc+0x204/0x2e0
[  445.551288]  ____cache_alloc_node+0x1c7/0x1e0
[  445.555802]  kmem_cache_alloc_node+0xe3/0x730
[  445.560330]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.564928]  __alloc_skb+0x119/0x770
[  445.568652]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  445.574031]  ? netdev_alloc_frag+0x1f0/0x1f0
[  445.578457]  ? vprintk_default+0x28/0x30
[  445.582524]  ? vprintk_func+0x85/0x181
[  445.586436]  ? printk+0xa7/0xcf
[  445.589718]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  445.594481]  ? do_raw_spin_trylock+0x270/0x270
[  445.599069]  new_skb+0x26/0x1c0
[  445.602360]  aoecmd_cfg+0x279/0x7f0
[  445.605999]  ? find_held_lock+0x36/0x1c0
[  445.610066]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  445.614403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.619968]  ? __lock_is_held+0xb5/0x140
[  445.624047]  discover_timer+0x50/0x60
[  445.627851]  call_timer_fn+0x272/0x920
[  445.631748]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.636595]  ? process_timeout+0x40/0x40
[  445.640687]  ? __run_timers+0x7da/0xc70
[  445.644675]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.649198]  ? _raw_spin_unlock_irq+0x27/0x80
[  445.653702]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.658566]  ? lockdep_hardirqs_on+0x296/0x5b0
[  445.663155]  ? trace_hardirqs_on+0xbd/0x310
[  445.667491]  ? kasan_check_read+0x11/0x20
[  445.671640]  ? __run_timers+0x7da/0xc70
[  445.675623]  ? trace_hardirqs_off_caller+0x310/0x310
[  445.680740]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  445.685586]  __run_timers+0x7e5/0xc70
[  445.689410]  ? timer_fixup_init+0x70/0x70
[  445.693615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  445.698638]  ? zap_class+0x640/0x640
[  445.702360]  ? enqueue_hrtimer+0x1a5/0x560
[  445.706600]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  445.711808]  ? find_held_lock+0x36/0x1c0
[  445.715884]  ? zap_class+0x640/0x640
[  445.719608]  ? pvclock_read_flags+0x160/0x160
[  445.724110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.729655]  ? check_preemption_disabled+0x48/0x280
[  445.734683]  ? __lock_is_held+0xb5/0x140
[  445.738750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.744290]  ? check_preemption_disabled+0x48/0x280
[  445.749333]  run_timer_softirq+0x52/0xb0
[  445.753401]  ? rcu_read_lock_sched_held+0x14f/0x180
[  445.758440]  __do_softirq+0x308/0xb7e
[  445.762245]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  445.766745]  ? lock_downgrade+0x900/0x900
[  445.770900]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  445.776015]  ? pvclock_read_flags+0x160/0x160
[  445.780526]  ? lapic_next_event+0x5a/0x90
[  445.784678]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.790227]  ? kvm_clock_read+0x18/0x30
[  445.794201]  ? kvm_sched_clock_read+0x9/0x20
[  445.798627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  445.804167]  ? check_preemption_disabled+0x48/0x280
[  445.809198]  irq_exit+0x17f/0x1c0
[  445.812663]  smp_apic_timer_interrupt+0x1cb/0x760
[  445.817511]  ? smp_reschedule_interrupt+0x109/0x650
[  445.822541]  ? smp_call_function_single_interrupt+0x650/0x650
[  445.828430]  ? interrupt_entry+0xb5/0xc0
[  445.832500]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.837519]  ? trace_hardirqs_off_caller+0xbb/0x310
[  445.842563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.847432]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.852455]  ? trace_hardirqs_on_caller+0x310/0x310
[  445.857481]  ? task_prio+0x50/0x50
[  445.861028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  445.866569]  ? check_preemption_disabled+0x48/0x280
[  445.871616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  445.876473]  apic_timer_interrupt+0xf/0x20
[  445.880716]  </IRQ>
[  445.882959] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  445.887895] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  445.906804] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  445.914546] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  445.921823] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  445.929105] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  445.936373] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  445.943654] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  445.950992]  skb_clone+0x1bb/0x500
[  445.954575]  ? finish_task_switch+0x2f4/0x910
[  445.959086]  ? skb_split+0x11e0/0x11e0
[  445.962983]  ? preempt_notifier_register+0x200/0x200
[  445.968087]  ? __switch_to_asm+0x34/0x70
[  445.972148]  ? __switch_to_asm+0x34/0x70
[  445.976206]  ? __switch_to_asm+0x40/0x70
[  445.980265]  ? __switch_to_asm+0x34/0x70
[  445.984332]  ? __switch_to_asm+0x40/0x70
[  445.988397]  ? __switch_to_asm+0x34/0x70
[  445.992460]  ? __switch_to_asm+0x40/0x70
[  445.996517]  ? __switch_to_asm+0x34/0x70
[  446.000615]  ? __switch_to_asm+0x34/0x70
[  446.004683]  ? __switch_to_asm+0x40/0x70
[  446.008740]  ? __switch_to_asm+0x34/0x70
[  446.012812]  bpf_clone_redirect+0xb9/0x490
[  446.017080]  ? __schedule+0x8d7/0x21d0
[  446.020975]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  446.025996]  ? __sched_text_start+0x8/0x8
[  446.030149]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  446.034924]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  446.039533]  ? retint_kernel+0x2d/0x2d
[  446.043440]  ? find_held_lock+0x36/0x1c0
[  446.047515]  ? lock_acquire+0x1ed/0x520
[  446.051507]  ? bpf_test_run+0x3cb/0x780
[  446.055485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.061033]  ? check_preemption_disabled+0x48/0x280
[  446.066060]  ? kasan_check_read+0x11/0x20
[  446.070213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  446.075508]  ? rcu_softirq_qs+0x20/0x20
[  446.079518]  ? preempt_schedule+0x4d/0x60
[  446.083670]  ? ___preempt_schedule+0x16/0x18
[  446.088091]  ? bpf_test_run+0x25d/0x780
[  446.092077]  ? netlink_diag_dump+0x2a0/0x2a0
[  446.096501]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.102045]  ? bpf_test_init.isra.10+0x70/0x100
[  446.106722]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  446.111502]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  446.116347]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  446.121887]  ? fput+0x130/0x1a0
[  446.125168]  ? __bpf_prog_get+0x9b/0x290
[  446.129241]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  446.134093]  ? bpf_prog_test_run+0x130/0x1a0
[  446.138510]  ? __x64_sys_bpf+0x3d8/0x520
[  446.142572]  ? bpf_prog_get+0x20/0x20
[  446.146423]  ? do_syscall_64+0x1b9/0x820
[  446.150501]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  446.155886]  ? syscall_return_slowpath+0x5e0/0x5e0
[  446.160829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.165682]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.170702]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  446.175724]  ? prepare_exit_to_usermode+0x291/0x3b0
[  446.180746]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.185601]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  446.190997] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  446.191084] aoe: skb alloc failure
[  446.198113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  446.198117] Call Trace:
[  446.198122]  <IRQ>
[  446.198136]  dump_stack+0x244/0x39d
[  446.198147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  446.198164]  warn_alloc.cold.116+0xb7/0x1bd
[  446.198173]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  446.198185]  ? lock_downgrade+0x900/0x900
[  446.198198]  ? trace_hardirqs_off+0xb8/0x310
[  446.198209]  ? trace_hardirqs_off+0xb8/0x310
[  446.198222]  __alloc_pages_slowpath+0x26e8/0x2e10
[  446.198243]  ? warn_alloc+0x120/0x120
[  446.198254]  ? warn_alloc+0x120/0x120
[  446.198265]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.198273]  ? warn_alloc+0x120/0x120
[  446.198282]  ? print_usage_bug+0xc0/0xc0
[  446.198292]  ? print_usage_bug+0xc0/0xc0
[  446.198301]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.198327]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.198343]  ? should_fail+0x22d/0xd01
[  446.198366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.198384]  ? __lock_acquire+0x62f/0x4c20
[  446.198401]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  446.198418]  ? should_fail+0x22d/0xd01
[  446.201983] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  446.211325]  ? mark_held_locks+0x130/0x130
[  446.213880] syz-executor1 cpuset=syz1 mems_allowed=0
[  446.216027]  ? mark_held_locks+0x130/0x130
[  446.333486]  ? print_usage_bug+0xc0/0xc0
[  446.337581]  ? find_held_lock+0x36/0x1c0
[  446.341671]  ? zap_class+0x640/0x640
[  446.345413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.350959]  ? check_preemption_disabled+0x48/0x280
[  446.355994]  ? __lock_is_held+0xb5/0x140
[  446.360068]  __alloc_pages_nodemask+0xa80/0xde0
[  446.364740]  ? zap_class+0x640/0x640
[  446.368462]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  446.373496]  ? find_held_lock+0x36/0x1c0
[  446.377645]  ? ____cache_alloc_node+0x1c7/0x1e0
[  446.382338]  ? lock_downgrade+0x900/0x900
[  446.386498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.392045]  cache_grow_begin+0xa5/0x8c0
[  446.396117]  ? do_raw_spin_unlock+0xa7/0x330
[  446.400541]  fallback_alloc+0x204/0x2e0
[  446.404523]  ____cache_alloc_node+0x1c7/0x1e0
[  446.409035]  kmem_cache_alloc_node+0xe3/0x730
[  446.413540]  ? mark_held_locks+0xc7/0x130
[  446.417707]  __alloc_skb+0x119/0x770
[  446.421441]  ? netdev_alloc_frag+0x1f0/0x1f0
[  446.425856]  ? do_raw_spin_trylock+0x270/0x270
[  446.430446]  ? kmem_cache_alloc_trace+0x353/0x750
[  446.435298]  ? queue_work_on+0x12c/0x1e0
[  446.439402]  ? switchdev_port_obj_del+0xdc/0x440
[  446.444165]  ? switchdev_trans_item_enqueue+0x260/0x260
[  446.449555]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  446.454584]  __br_mdb_notify+0x4ff/0x15d0
[  446.458766]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.463880]  ? __br_mdb_add+0x7f0/0x7f0
[  446.467900]  ? mark_held_locks+0x130/0x130
[  446.472149]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  446.477276]  ? debug_object_assert_init+0x368/0x4b0
[  446.482299]  ? debug_object_init_on_stack+0x20/0x20
[  446.487334]  ? zap_class+0x640/0x640
[  446.491070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.496614]  br_mdb_notify+0x310/0x410
[  446.500507]  ? br_mdb_dump+0x27b0/0x27b0
[  446.504596]  br_multicast_del_pg+0x3df/0x790
[  446.509017]  ? br_mdb_ip_get+0x940/0x940
[  446.513095]  ? rwlock_bug.part.2+0x90/0x90
[  446.517344]  ? __lock_is_held+0xb5/0x140
[  446.521417]  br_multicast_port_group_expired+0x189/0x1e0
[  446.526875]  call_timer_fn+0x272/0x920
[  446.530769]  ? br_multicast_del_pg+0x790/0x790
[  446.535367]  ? process_timeout+0x40/0x40
[  446.539457]  ? mark_held_locks+0xc7/0x130
[  446.543612]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.548111]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.552626]  ? br_multicast_del_pg+0x790/0x790
[  446.557210]  ? lockdep_hardirqs_on+0x296/0x5b0
[  446.561796]  ? trace_hardirqs_on+0xbd/0x310
[  446.566126]  ? kasan_check_read+0x11/0x20
[  446.570280]  ? __run_timers+0x7da/0xc70
[  446.574263]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.579379]  ? br_multicast_del_pg+0x790/0x790
[  446.583983]  ? br_multicast_del_pg+0x790/0x790
[  446.588568]  __run_timers+0x7e5/0xc70
[  446.592383]  ? timer_fixup_init+0x70/0x70
[  446.596537]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  446.601560]  ? zap_class+0x640/0x640
[  446.605286]  ? print_usage_bug+0xc0/0xc0
[  446.609366]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  446.614566]  ? find_held_lock+0x36/0x1c0
[  446.618635]  ? zap_class+0x640/0x640
[  446.622363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.627935]  ? check_preemption_disabled+0x48/0x280
[  446.632964]  ? __lock_is_held+0xb5/0x140
[  446.637030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.642589]  ? check_preemption_disabled+0x48/0x280
[  446.647615]  run_timer_softirq+0x52/0xb0
[  446.651683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  446.656710]  __do_softirq+0x308/0xb7e
[  446.660522]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  446.665023]  ? lock_downgrade+0x900/0x900
[  446.669177]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  446.674290]  ? pvclock_read_flags+0x160/0x160
[  446.678821]  ? lapic_next_event+0x5a/0x90
[  446.683000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.688543]  ? kvm_clock_read+0x18/0x30
[  446.692525]  ? kvm_sched_clock_read+0x9/0x20
[  446.696941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.702485]  ? check_preemption_disabled+0x48/0x280
[  446.707517]  irq_exit+0x17f/0x1c0
[  446.710980]  smp_apic_timer_interrupt+0x1cb/0x760
[  446.715828]  ? smp_reschedule_interrupt+0x109/0x650
[  446.720845]  ? smp_call_function_single_interrupt+0x650/0x650
[  446.726735]  ? interrupt_entry+0xb5/0xc0
[  446.730810]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.735851]  ? trace_hardirqs_off_caller+0xbb/0x310
[  446.740894]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.745751]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.750781]  ? trace_hardirqs_on_caller+0x310/0x310
[  446.755800]  ? task_prio+0x50/0x50
[  446.759353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  446.764898]  ? check_preemption_disabled+0x48/0x280
[  446.769937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  446.774790]  apic_timer_interrupt+0xf/0x20
[  446.779028]  </IRQ>
[  446.781272] RIP: 0010:console_unlock+0x102f/0x1190
[  446.786204] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  446.805111] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  446.812863] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  446.820130] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  446.827410] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  446.834683] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  446.841950] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  446.849233]  ? netconsole_netdev_event+0x280/0x280
[  446.854176]  ? console_unlock+0x1026/0x1190
[  446.858530]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  446.863202]  ? vprintk_emit+0x846/0x990
[  446.867184]  ? lock_release+0xa00/0xa00
[  446.871163]  ? trace_hardirqs_on+0x60/0x310
[  446.875489]  ? vprintk_default+0x28/0x30
[  446.879563]  ? trace_hardirqs_off_caller+0x310/0x310
[  446.884674]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.890218]  vprintk_emit+0x391/0x990
[  446.894029]  ? wake_up_klogd+0x180/0x180
[  446.898103]  ? find_held_lock+0x1/0x1c0
[  446.902089]  ? mark_held_locks+0xc7/0x130
[  446.906240]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.910740]  ? _raw_spin_unlock_irq+0x27/0x80
[  446.915242]  vprintk_default+0x28/0x30
[  446.919134]  vprintk_func+0x7e/0x181
[  446.922856]  printk+0xa7/0xcf
[  446.925967]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  446.930726]  ? _raw_spin_unlock_irq+0x60/0x80
[  446.935241]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  446.940532]  dump_header+0x7cc/0xf72
[  446.944258]  ? pagefault_out_of_memory+0x197/0x197
[  446.949203]  ? __lock_acquire+0x62f/0x4c20
[  446.953472]  ? percpu_ref_get_many+0x240/0x240
[  446.958065]  ? print_usage_bug+0xc0/0xc0
[  446.962133]  ? zap_class+0x640/0x640
[  446.965855]  ? print_usage_bug+0xc0/0xc0
[  446.969934]  ? zap_class+0x640/0x640
[  446.973656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  446.979201]  ? find_held_lock+0x36/0x1c0
[  446.983275]  ? mark_held_locks+0xc7/0x130
[  446.987428]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.992543]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  446.997650]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.002235]  ? trace_hardirqs_on+0xbd/0x310
[  447.006561]  ? kasan_check_read+0x11/0x20
[  447.010719]  ? ___ratelimit+0x3b4/0x672
[  447.014697]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.019817]  ? trace_hardirqs_on+0x310/0x310
[  447.024232]  ? lock_downgrade+0x900/0x900
[  447.028393]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  447.033501]  ? ___ratelimit+0x3b9/0x672
[  447.037481]  ? idr_get_free+0xf70/0xf70
[  447.041463]  ? find_held_lock+0x36/0x1c0
[  447.045540]  oom_kill_process.cold.27+0x10/0x903
[  447.050302]  ? zap_class+0x640/0x640
[  447.054049]  ? check_preemption_disabled+0x48/0x280
[  447.059071]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.064012]  ? kasan_check_read+0x11/0x20
[  447.068169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.073452]  ? oom_evaluate_task+0x540/0x540
[  447.077880]  ? find_held_lock+0x36/0x1c0
[  447.081963]  ? out_of_memory+0x974/0x1430
[  447.086112]  ? lock_downgrade+0x900/0x900
[  447.090266]  ? check_preemption_disabled+0x48/0x280
[  447.095290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.100233]  ? kasan_check_read+0x11/0x20
[  447.104392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.109674]  ? rcu_softirq_qs+0x20/0x20
[  447.113659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.119243]  ? oom_evaluate_task+0x302/0x540
[  447.123656]  out_of_memory+0xa84/0x1430
[  447.127659]  ? oom_killer_disable+0x3a0/0x3a0
[  447.132162]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  447.137105]  ? __ww_mutex_check_waiters+0x160/0x160
[  447.142144]  __alloc_pages_slowpath+0x2354/0x2e10
[  447.147036]  ? warn_alloc+0x120/0x120
[  447.150840]  ? mark_held_locks+0x130/0x130
[  447.155083]  ? find_get_entry+0xaae/0x1120
[  447.159335]  ? filemap_map_pages+0x1a20/0x1a20
[  447.163936]  ? zap_class+0x640/0x640
[  447.167666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.173214]  ? check_preemption_disabled+0x48/0x280
[  447.178229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.183808]  ? should_fail+0x22d/0xd01
[  447.187740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  447.192848]  ? zap_class+0x640/0x640
[  447.196589]  ? __lock_is_held+0xb5/0x140
[  447.200660]  ? mark_held_locks+0x130/0x130
[  447.204901]  ? lock_release+0xa00/0xa00
[  447.208889]  ? perf_trace_sched_process_exec+0x860/0x860
[  447.214362]  ? xa_load+0x2ba/0x460
[  447.217906]  ? lock_downgrade+0x900/0x900
[  447.222067]  ? __might_sleep+0x95/0x190
[  447.226051]  __alloc_pages_nodemask+0xa80/0xde0
[  447.230735]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  447.235756]  ? __page_cache_alloc+0x191/0x5c0
[  447.240253]  ? xa_load+0x2e1/0x460
[  447.243800]  ? xa_clear_mark+0x40/0x40
[  447.247689]  ? zap_class+0x640/0x640
[  447.251419]  ? zap_class+0x640/0x640
[  447.255146]  ? zap_class+0x640/0x640
[  447.258864]  ? zap_class+0x640/0x640
[  447.262586]  ? __do_page_cache_readahead+0x663/0x810
[  447.267704]  ? find_held_lock+0x36/0x1c0
[  447.271776]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  447.277454]  alloc_pages_current+0x173/0x350
[  447.281881]  __page_cache_alloc+0x38c/0x5c0
[  447.286240]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.291201]  ? kasan_check_read+0x11/0x20
[  447.295361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.300647]  ? generic_perform_write+0x6a0/0x6a0
[  447.305408]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.310950]  ? check_preemption_disabled+0x48/0x280
[  447.315980]  filemap_fault+0x1595/0x25f0
[  447.320058]  ? __lock_page_or_retry+0xa00/0xa00
[  447.324733]  ? mark_held_locks+0x130/0x130
[  447.329010]  ? filemap_map_pages+0xd6b/0x1a20
[  447.333979]  ? lock_downgrade+0x900/0x900
[  447.338168]  ? check_preemption_disabled+0x48/0x280
[  447.343216]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.348160]  ? kasan_check_read+0x11/0x20
[  447.352347]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.357627]  ? rcu_softirq_qs+0x20/0x20
[  447.361616]  ? filemap_map_pages+0xd92/0x1a20
[  447.366118]  ? queue_work_on+0x12c/0x1e0
[  447.370185]  ? find_get_entries_tag+0x1400/0x1400
[  447.375051]  ? debug_object_destroy+0x2b0/0x2b0
[  447.379724]  ? lock_pi_update_atomic+0x150/0x150
[  447.384519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  447.390075]  ? lock_acquire+0x1ed/0x520
[  447.394075]  ? ext4_filemap_fault+0x7a/0xad
[  447.398414]  ? lock_release+0xa00/0xa00
[  447.402390]  ? perf_trace_sched_process_exec+0x860/0x860
[  447.407851]  ? print_usage_bug+0xc0/0xc0
[  447.411924]  ? print_usage_bug+0xc0/0xc0
[  447.415999]  ? down_read+0x8d/0x120
[  447.419628]  ? ext4_filemap_fault+0x7a/0xad
[  447.423960]  ? __down_interruptible+0x700/0x700
[  447.428645]  ext4_filemap_fault+0x82/0xad
[  447.432815]  __do_fault+0x100/0x6b0
[  447.436446]  ? find_held_lock+0x36/0x1c0
[  447.440514]  ? pmd_devmap_trans_unstable+0x220/0x220
[  447.445633]  ? mark_held_locks+0x130/0x130
[  447.449875]  ? mark_held_locks+0x130/0x130
[  447.454116]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.458612]  ? _raw_spin_unlock_irq+0x27/0x80
[  447.463110]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  447.467708]  ? kasan_check_read+0x11/0x20
[  447.471863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.477405]  __handle_mm_fault+0x3ea0/0x5be0
[  447.481820]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  447.486697]  ? finish_task_switch+0x1f4/0x910
[  447.491226]  ? finish_task_switch+0x1b4/0x910
[  447.495725]  ? __switch_to_asm+0x34/0x70
[  447.499808]  ? preempt_notifier_register+0x200/0x200
[  447.504910]  ? __switch_to_asm+0x34/0x70
[  447.508981]  ? __switch_to_asm+0x34/0x70
[  447.513056]  ? zap_class+0x640/0x640
[  447.516774]  ? zap_class+0x640/0x640
[  447.520494]  ? __x64_sys_futex+0x53e/0x6a0
[  447.524739]  ? find_held_lock+0x36/0x1c0
[  447.528815]  ? handle_mm_fault+0x42a/0xc70
[  447.533073]  ? lock_downgrade+0x900/0x900
[  447.537245]  ? check_preemption_disabled+0x48/0x280
[  447.542295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  447.547240]  ? kasan_check_read+0x11/0x20
[  447.551392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  447.556674]  ? rcu_softirq_qs+0x20/0x20
[  447.560650]  ? trace_hardirqs_off_caller+0x310/0x310
[  447.565758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  447.571302]  ? check_preemption_disabled+0x48/0x280
[  447.576357]  handle_mm_fault+0x54f/0xc70
[  447.580445]  ? __handle_mm_fault+0x5be0/0x5be0
[  447.585039]  ? find_vma+0x34/0x190
[  447.588600]  __do_page_fault+0x5e8/0xe60
[  447.592673]  ? trace_hardirqs_off+0xb8/0x310
[  447.597099]  do_page_fault+0xf2/0x7e0
[  447.600919]  ? vmalloc_sync_all+0x30/0x30
[  447.605075]  ? error_entry+0x70/0xd0
[  447.608797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  447.613815]  ? trace_hardirqs_on_caller+0xc0/0x310
[  447.618772]  ? syscall_return_slowpath+0x5e0/0x5e0
[  447.623702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.628553]  ? trace_hardirqs_on_caller+0x310/0x310
[  447.633573]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  447.639027]  ? prepare_exit_to_usermode+0x291/0x3b0
[  447.644048]  ? page_fault+0x8/0x30
[  447.647598]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  447.652447]  ? page_fault+0x8/0x30
[  447.655990]  page_fault+0x1e/0x30
[  447.659457] RIP: 0033:0x45ddf3
[  447.662668] Code: Bad RIP value.
[  447.666047] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  447.671411] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  447.678682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  447.685972] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  447.693247] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  447.700520] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  447.707819] warn_alloc_show_mem: 1 callbacks suppressed
[  447.707831] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  447.707833] Mem-Info:
[  447.707866] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  447.707866]  active_file:15 inactive_file:15 isolated_file:0
[  447.707866]  unevictable:0 dirty:0 writeback:0 unstable:0
[  447.707866]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  447.707866]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  447.707866]  free:13750 free_pcp:296 free_cma:0
[  447.713213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  447.720524] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  447.722933] Call Trace:
[  447.755997] 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
[  447.765362]  <IRQ>
[  447.792844] lowmem_reserve[]: 0 2818 6321 6321
[  447.795452]  dump_stack+0x244/0x39d
[  447.821543] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  447.823716]  ? dump_stack_print_info.cold.1+0x20/0x20
[  447.828256] lowmem_reserve[]: 0 0 3503 3503
[  447.831916]  warn_alloc.cold.116+0xb7/0x1bd
[  447.859427] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  447.864628]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  447.868923] lowmem_reserve[]: 0 0 0 0
[  447.873270]  ? lock_downgrade+0x900/0x900
[  447.902220] 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
[  447.907068]  ? trace_hardirqs_off+0xb8/0x310
[  447.910836] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  447.914984]  ? trace_hardirqs_off+0xb8/0x310
[  447.928920] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  447.933340]  __alloc_pages_slowpath+0x26e8/0x2e10
[  447.948839] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  447.953269]  ? warn_alloc+0x120/0x120
[  447.967350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  447.967370] 2335 total pagecache pages
[  447.972217]  ? warn_alloc+0x120/0x120
[  447.981055] 0 pages in swap cache
[  447.984859]  ? __lock_acquire+0x62f/0x4c20
[  447.993448] Swap cache stats: add 0, delete 0, find 0/0
[  447.997351]  ? warn_alloc+0x120/0x120
[  448.001124] Free swap  = 0kB
[  448.001133] Total swap = 0kB
[  448.004588]  ? print_usage_bug+0xc0/0xc0
[  448.008796] 1965979 pages RAM
[  448.014180]  ? print_usage_bug+0xc0/0xc0
[  448.017954] 0 pages HighMem/MovableOnly
[  448.020973]  ? mark_held_locks+0x130/0x130
[  448.023972] 342853 pages reserved
[  448.023981] 0 pages cma reserved
[  448.028041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.031310] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.035173]  ? should_fail+0x22d/0xd01
[  448.039134] syz-fuzzer cpuset=/ mems_allowed=0
[  448.043371]  ? zap_class+0x640/0x640
[  448.078062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.083169]  ? __lock_acquire+0x62f/0x4c20
[  448.087417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.092554]  ? should_fail+0x22d/0xd01
[  448.096465]  ? mark_held_locks+0x130/0x130
[  448.100710]  ? mark_held_locks+0x130/0x130
[  448.104951]  ? lock_downgrade+0x900/0x900
[  448.109105]  ? zap_class+0x640/0x640
[  448.112829]  ? zap_class+0x640/0x640
[  448.116549]  ? zap_class+0x640/0x640
[  448.120262]  ? do_raw_spin_unlock+0xa7/0x330
[  448.124677]  ? trace_hardirqs_on+0x310/0x310
[  448.129087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.134633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.140201]  ? check_preemption_disabled+0x48/0x280
[  448.145239]  ? __lock_is_held+0xb5/0x140
[  448.149319]  __alloc_pages_nodemask+0xa80/0xde0
[  448.153994]  ? zap_class+0x640/0x640
[  448.157713]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  448.162745]  ? find_held_lock+0x36/0x1c0
[  448.166819]  ? ____cache_alloc_node+0x1c7/0x1e0
[  448.171497]  ? lock_downgrade+0x900/0x900
[  448.175680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.181231]  cache_grow_begin+0xa5/0x8c0
[  448.185295]  ? do_raw_spin_unlock+0xa7/0x330
[  448.189722]  fallback_alloc+0x204/0x2e0
[  448.193708]  ____cache_alloc_node+0x1c7/0x1e0
[  448.198637]  kmem_cache_alloc_node+0xe3/0x730
[  448.203138]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.207742]  __alloc_skb+0x119/0x770
[  448.211459]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  448.216834]  ? netdev_alloc_frag+0x1f0/0x1f0
[  448.221263]  ? vprintk_default+0x28/0x30
[  448.225343]  ? vprintk_func+0x85/0x181
[  448.229236]  ? printk+0xa7/0xcf
[  448.232521]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  448.237288]  ? do_raw_spin_trylock+0x270/0x270
[  448.241887]  new_skb+0x26/0x1c0
[  448.245172]  aoecmd_cfg+0x279/0x7f0
[  448.248807]  ? find_held_lock+0x36/0x1c0
[  448.252872]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  448.257205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.262757]  ? __lock_is_held+0xb5/0x140
[  448.266836]  discover_timer+0x50/0x60
[  448.270637]  call_timer_fn+0x272/0x920
[  448.274531]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  448.279379]  ? process_timeout+0x40/0x40
[  448.283475]  ? __run_timers+0x7da/0xc70
[  448.287460]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.291954]  ? _raw_spin_unlock_irq+0x27/0x80
[  448.296449]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  448.301309]  ? lockdep_hardirqs_on+0x296/0x5b0
[  448.305904]  ? trace_hardirqs_on+0xbd/0x310
[  448.310235]  ? kasan_check_read+0x11/0x20
[  448.314404]  ? __run_timers+0x7da/0xc70
[  448.318399]  ? trace_hardirqs_off_caller+0x310/0x310
[  448.323540]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  448.328386]  __run_timers+0x7e5/0xc70
[  448.332211]  ? timer_fixup_init+0x70/0x70
[  448.336368]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  448.341390]  ? zap_class+0x640/0x640
[  448.345131]  ? enqueue_hrtimer+0x1a5/0x560
[  448.349371]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  448.354571]  ? find_held_lock+0x36/0x1c0
[  448.358640]  ? zap_class+0x640/0x640
[  448.362364]  ? pvclock_read_flags+0x160/0x160
[  448.366867]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.372412]  ? check_preemption_disabled+0x48/0x280
[  448.377473]  ? __lock_is_held+0xb5/0x140
[  448.381555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.387094]  ? check_preemption_disabled+0x48/0x280
[  448.392127]  run_timer_softirq+0x52/0xb0
[  448.396197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  448.401219]  __do_softirq+0x308/0xb7e
[  448.405031]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  448.409529]  ? lock_downgrade+0x900/0x900
[  448.413693]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  448.418811]  ? pvclock_read_flags+0x160/0x160
[  448.423320]  ? lapic_next_event+0x5a/0x90
[  448.427478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.433050]  ? kvm_clock_read+0x18/0x30
[  448.437031]  ? kvm_sched_clock_read+0x9/0x20
[  448.441446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.446991]  ? check_preemption_disabled+0x48/0x280
[  448.452025]  irq_exit+0x17f/0x1c0
[  448.455506]  smp_apic_timer_interrupt+0x1cb/0x760
[  448.460358]  ? smp_reschedule_interrupt+0x109/0x650
[  448.465392]  ? smp_call_function_single_interrupt+0x650/0x650
[  448.471279]  ? interrupt_entry+0xb5/0xc0
[  448.475365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.480379]  ? trace_hardirqs_off_caller+0xbb/0x310
[  448.485403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.490257]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.495275]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.500310]  ? task_prio+0x50/0x50
[  448.503866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.509410]  ? check_preemption_disabled+0x48/0x280
[  448.514453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.519307]  apic_timer_interrupt+0xf/0x20
[  448.523568]  </IRQ>
[  448.525810] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  448.530751] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  448.549658] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  448.557366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  448.564637] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  448.571914] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  448.579185] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  448.586470] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  448.593803]  skb_clone+0x1bb/0x500
[  448.597353]  ? finish_task_switch+0x2f4/0x910
[  448.601851]  ? skb_split+0x11e0/0x11e0
[  448.605741]  ? preempt_notifier_register+0x200/0x200
[  448.610843]  ? __switch_to_asm+0x34/0x70
[  448.614908]  ? __switch_to_asm+0x34/0x70
[  448.618988]  ? __switch_to_asm+0x40/0x70
[  448.623052]  ? __switch_to_asm+0x34/0x70
[  448.627109]  ? __switch_to_asm+0x40/0x70
[  448.631168]  ? __switch_to_asm+0x34/0x70
[  448.635230]  ? __switch_to_asm+0x40/0x70
[  448.639287]  ? __switch_to_asm+0x34/0x70
[  448.643359]  ? __switch_to_asm+0x34/0x70
[  448.647427]  ? __switch_to_asm+0x40/0x70
[  448.651491]  ? __switch_to_asm+0x34/0x70
[  448.655570]  bpf_clone_redirect+0xb9/0x490
[  448.659812]  ? __schedule+0x8d7/0x21d0
[  448.663711]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  448.668731]  ? __sched_text_start+0x8/0x8
[  448.672930]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  448.677692]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  448.682304]  ? retint_kernel+0x2d/0x2d
[  448.686210]  ? find_held_lock+0x36/0x1c0
[  448.690295]  ? lock_acquire+0x1ed/0x520
[  448.694279]  ? bpf_test_run+0x3cb/0x780
[  448.698271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.703812]  ? check_preemption_disabled+0x48/0x280
[  448.708841]  ? kasan_check_read+0x11/0x20
[  448.712991]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  448.718287]  ? rcu_softirq_qs+0x20/0x20
[  448.722276]  ? preempt_schedule+0x4d/0x60
[  448.726438]  ? ___preempt_schedule+0x16/0x18
[  448.730859]  ? bpf_test_run+0x25d/0x780
[  448.734848]  ? netlink_diag_dump+0x2a0/0x2a0
[  448.739263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.744806]  ? bpf_test_init.isra.10+0x70/0x100
[  448.749487]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  448.754257]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  448.759103]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  448.764665]  ? fput+0x130/0x1a0
[  448.767954]  ? __bpf_prog_get+0x9b/0x290
[  448.772021]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  448.776904]  ? bpf_prog_test_run+0x130/0x1a0
[  448.781351]  ? __x64_sys_bpf+0x3d8/0x520
[  448.785424]  ? bpf_prog_get+0x20/0x20
[  448.789251]  ? do_syscall_64+0x1b9/0x820
[  448.793323]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  448.798691]  ? syscall_return_slowpath+0x5e0/0x5e0
[  448.803628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.808489]  ? trace_hardirqs_on_caller+0x310/0x310
[  448.813516]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  448.818572]  ? prepare_exit_to_usermode+0x291/0x3b0
[  448.823600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  448.828462]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  448.833859] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  448.833945] aoe: skb alloc failure
[  448.840793] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  448.840799] Call Trace:
[  448.840807]  <IRQ>
[  448.840825]  dump_stack+0x244/0x39d
[  448.840844]  ? dump_stack_print_info.cold.1+0x20/0x20
[  448.840871]  warn_alloc.cold.116+0xb7/0x1bd
[  448.844426] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  448.853751]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  448.856328] syz-executor1 cpuset=syz1 mems_allowed=0
[  448.858497]  ? lock_downgrade+0x900/0x900
[  448.896178]  ? trace_hardirqs_off+0xb8/0x310
[  448.900599]  ? trace_hardirqs_off+0xb8/0x310
[  448.905019]  __alloc_pages_slowpath+0x26e8/0x2e10
[  448.909900]  ? warn_alloc+0x120/0x120
[  448.913714]  ? warn_alloc+0x120/0x120
[  448.917525]  ? warn_alloc+0x120/0x120
[  448.921341]  ? print_usage_bug+0xc0/0xc0
[  448.925423]  ? print_usage_bug+0xc0/0xc0
[  448.929499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  448.935043]  ? should_fail+0x22d/0xd01
[  448.938956]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.944069]  ? __lock_acquire+0x62f/0x4c20
[  448.948309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  448.953424]  ? should_fail+0x22d/0xd01
[  448.957359]  ? mark_held_locks+0x130/0x130
[  448.961609]  ? mark_held_locks+0x130/0x130
[  448.965854]  ? print_usage_bug+0xc0/0xc0
[  448.969926]  ? find_held_lock+0x36/0x1c0
[  448.974007]  ? zap_class+0x640/0x640
[  448.977756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  448.983293]  ? check_preemption_disabled+0x48/0x280
[  448.988351]  ? __lock_is_held+0xb5/0x140
[  448.992428]  __alloc_pages_nodemask+0xa80/0xde0
[  448.997115]  ? zap_class+0x640/0x640
[  449.000866]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.005898]  ? find_held_lock+0x36/0x1c0
[  449.009981]  ? ____cache_alloc_node+0x1c7/0x1e0
[  449.014658]  ? lock_downgrade+0x900/0x900
[  449.018818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.024367]  cache_grow_begin+0xa5/0x8c0
[  449.028434]  ? do_raw_spin_unlock+0xa7/0x330
[  449.032853]  fallback_alloc+0x204/0x2e0
[  449.036837]  ____cache_alloc_node+0x1c7/0x1e0
[  449.041345]  kmem_cache_alloc_node+0xe3/0x730
[  449.045849]  ? mark_held_locks+0xc7/0x130
[  449.050009]  __alloc_skb+0x119/0x770
[  449.053740]  ? netdev_alloc_frag+0x1f0/0x1f0
[  449.058147]  ? do_raw_spin_trylock+0x270/0x270
[  449.062734]  ? kmem_cache_alloc_trace+0x353/0x750
[  449.067602]  ? queue_work_on+0x12c/0x1e0
[  449.071685]  ? switchdev_port_obj_del+0xdc/0x440
[  449.076453]  ? switchdev_trans_item_enqueue+0x260/0x260
[  449.081830]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  449.086854]  __br_mdb_notify+0x4ff/0x15d0
[  449.091016]  ? __br_mdb_add+0x7f0/0x7f0
[  449.095005]  ? zap_class+0x640/0x640
[  449.098737]  ? br_multicast_group_expired+0x96/0x610
[  449.103852]  br_mdb_notify+0x310/0x410
[  449.107744]  ? br_mdb_dump+0x27b0/0x27b0
[  449.111814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.117370]  br_multicast_group_expired+0x1bc/0x610
[  449.122394]  ? br_mdb_free+0x80/0x80
[  449.126119]  call_timer_fn+0x272/0x920
[  449.130007]  ? br_mdb_free+0x80/0x80
[  449.133725]  ? process_timeout+0x40/0x40
[  449.137799]  ? mark_held_locks+0xc7/0x130
[  449.141954]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.146455]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.150954]  ? br_mdb_free+0x80/0x80
[  449.154670]  ? lockdep_hardirqs_on+0x296/0x5b0
[  449.159256]  ? trace_hardirqs_on+0xbd/0x310
[  449.163605]  ? kasan_check_read+0x11/0x20
[  449.167751]  ? __run_timers+0x7da/0xc70
[  449.171731]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.176849]  ? br_multicast_del_pg+0x790/0x790
[  449.181431]  ? br_mdb_free+0x80/0x80
[  449.185155]  __run_timers+0x7e5/0xc70
[  449.188981]  ? timer_fixup_init+0x70/0x70
[  449.193140]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  449.198175]  ? zap_class+0x640/0x640
[  449.201923]  ? print_usage_bug+0xc0/0xc0
[  449.206006]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  449.211213]  ? find_held_lock+0x36/0x1c0
[  449.215300]  ? zap_class+0x640/0x640
[  449.219041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.224589]  ? check_preemption_disabled+0x48/0x280
[  449.229619]  ? __lock_is_held+0xb5/0x140
[  449.233686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.239231]  ? check_preemption_disabled+0x48/0x280
[  449.244286]  run_timer_softirq+0x52/0xb0
[  449.248361]  ? rcu_read_lock_sched_held+0x14f/0x180
[  449.253386]  __do_softirq+0x308/0xb7e
[  449.257194]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  449.261690]  ? lock_downgrade+0x900/0x900
[  449.265888]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  449.271007]  ? pvclock_read_flags+0x160/0x160
[  449.275508]  ? lapic_next_event+0x5a/0x90
[  449.279675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.285237]  ? kvm_clock_read+0x18/0x30
[  449.289242]  ? kvm_sched_clock_read+0x9/0x20
[  449.293661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.299204]  ? check_preemption_disabled+0x48/0x280
[  449.304231]  irq_exit+0x17f/0x1c0
[  449.307692]  smp_apic_timer_interrupt+0x1cb/0x760
[  449.312541]  ? smp_reschedule_interrupt+0x109/0x650
[  449.317562]  ? smp_call_function_single_interrupt+0x650/0x650
[  449.323447]  ? interrupt_entry+0xb5/0xc0
[  449.327524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.332741]  ? trace_hardirqs_off_caller+0xbb/0x310
[  449.337770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.342625]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.347643]  ? trace_hardirqs_on_caller+0x310/0x310
[  449.352663]  ? task_prio+0x50/0x50
[  449.356206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.361753]  ? check_preemption_disabled+0x48/0x280
[  449.366786]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  449.371637]  apic_timer_interrupt+0xf/0x20
[  449.375892]  </IRQ>
[  449.378142] RIP: 0010:console_unlock+0x102f/0x1190
[  449.383072] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  449.401986] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  449.409695] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  449.416984] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  449.424251] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  449.431535] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  449.438805] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  449.446081]  ? netconsole_netdev_event+0x280/0x280
[  449.451034]  ? console_unlock+0x1026/0x1190
[  449.455375]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  449.460044]  ? vprintk_emit+0x846/0x990
[  449.464026]  ? lock_release+0xa00/0xa00
[  449.468031]  ? trace_hardirqs_on+0x60/0x310
[  449.472352]  ? vprintk_default+0x28/0x30
[  449.476452]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.481577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.487122]  vprintk_emit+0x391/0x990
[  449.490940]  ? wake_up_klogd+0x180/0x180
[  449.495018]  ? find_held_lock+0x1/0x1c0
[  449.499006]  ? mark_held_locks+0xc7/0x130
[  449.503157]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.507654]  ? _raw_spin_unlock_irq+0x27/0x80
[  449.512156]  vprintk_default+0x28/0x30
[  449.516047]  vprintk_func+0x7e/0x181
[  449.519772]  printk+0xa7/0xcf
[  449.522879]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  449.527641]  ? _raw_spin_unlock_irq+0x60/0x80
[  449.532159]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  449.537447]  dump_header+0x7cc/0xf72
[  449.541177]  ? pagefault_out_of_memory+0x197/0x197
[  449.546140]  ? __lock_acquire+0x62f/0x4c20
[  449.550386]  ? percpu_ref_get_many+0x240/0x240
[  449.554995]  ? print_usage_bug+0xc0/0xc0
[  449.559075]  ? zap_class+0x640/0x640
[  449.562794]  ? print_usage_bug+0xc0/0xc0
[  449.566861]  ? zap_class+0x640/0x640
[  449.570582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.576150]  ? find_held_lock+0x36/0x1c0
[  449.580235]  ? mark_held_locks+0xc7/0x130
[  449.584396]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  449.589503]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  449.594608]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  449.599198]  ? trace_hardirqs_on+0xbd/0x310
[  449.603556]  ? kasan_check_read+0x11/0x20
[  449.607723]  ? ___ratelimit+0x3b4/0x672
[  449.611702]  ? trace_hardirqs_off_caller+0x310/0x310
[  449.616810]  ? trace_hardirqs_on+0x310/0x310
[  449.621221]  ? lock_downgrade+0x900/0x900
[  449.625398]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  449.630506]  ? ___ratelimit+0x3b9/0x672
[  449.634491]  ? idr_get_free+0xf70/0xf70
[  449.638469]  ? find_held_lock+0x36/0x1c0
[  449.642543]  oom_kill_process.cold.27+0x10/0x903
[  449.647300]  ? zap_class+0x640/0x640
[  449.651029]  ? check_preemption_disabled+0x48/0x280
[  449.656062]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.661029]  ? kasan_check_read+0x11/0x20
[  449.665179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.670462]  ? oom_evaluate_task+0x540/0x540
[  449.674904]  ? find_held_lock+0x36/0x1c0
[  449.678982]  ? out_of_memory+0x974/0x1430
[  449.683137]  ? lock_downgrade+0x900/0x900
[  449.687291]  ? check_preemption_disabled+0x48/0x280
[  449.692355]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.697298]  ? kasan_check_read+0x11/0x20
[  449.701455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.706733]  ? rcu_softirq_qs+0x20/0x20
[  449.710726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.716270]  ? oom_evaluate_task+0x302/0x540
[  449.720685]  out_of_memory+0xa84/0x1430
[  449.724685]  ? oom_killer_disable+0x3a0/0x3a0
[  449.729195]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  449.734131]  ? __ww_mutex_check_waiters+0x160/0x160
[  449.739165]  __alloc_pages_slowpath+0x2354/0x2e10
[  449.744046]  ? warn_alloc+0x120/0x120
[  449.747851]  ? mark_held_locks+0x130/0x130
[  449.752098]  ? find_get_entry+0xaae/0x1120
[  449.756353]  ? filemap_map_pages+0x1a20/0x1a20
[  449.760950]  ? zap_class+0x640/0x640
[  449.764676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.770222]  ? check_preemption_disabled+0x48/0x280
[  449.775241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.780782]  ? should_fail+0x22d/0xd01
[  449.784679]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  449.789807]  ? zap_class+0x640/0x640
[  449.793552]  ? __lock_is_held+0xb5/0x140
[  449.797639]  ? mark_held_locks+0x130/0x130
[  449.801878]  ? lock_release+0xa00/0xa00
[  449.805860]  ? perf_trace_sched_process_exec+0x860/0x860
[  449.811324]  ? xa_load+0x2ba/0x460
[  449.814870]  ? lock_downgrade+0x900/0x900
[  449.819025]  ? __might_sleep+0x95/0x190
[  449.823008]  __alloc_pages_nodemask+0xa80/0xde0
[  449.827691]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  449.832719]  ? __page_cache_alloc+0x191/0x5c0
[  449.837219]  ? xa_load+0x2e1/0x460
[  449.840763]  ? xa_clear_mark+0x40/0x40
[  449.844653]  ? zap_class+0x640/0x640
[  449.848369]  ? zap_class+0x640/0x640
[  449.852095]  ? zap_class+0x640/0x640
[  449.855814]  ? zap_class+0x640/0x640
[  449.859550]  ? __do_page_cache_readahead+0x663/0x810
[  449.864659]  ? find_held_lock+0x36/0x1c0
[  449.868729]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  449.874274]  alloc_pages_current+0x173/0x350
[  449.878696]  __page_cache_alloc+0x38c/0x5c0
[  449.883061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.887996]  ? kasan_check_read+0x11/0x20
[  449.892150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.897436]  ? generic_perform_write+0x6a0/0x6a0
[  449.902197]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  449.907752]  ? check_preemption_disabled+0x48/0x280
[  449.912785]  filemap_fault+0x1595/0x25f0
[  449.916869]  ? __lock_page_or_retry+0xa00/0xa00
[  449.921549]  ? mark_held_locks+0x130/0x130
[  449.925799]  ? filemap_map_pages+0xd6b/0x1a20
[  449.930307]  ? lock_downgrade+0x900/0x900
[  449.934471]  ? check_preemption_disabled+0x48/0x280
[  449.939497]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  449.944434]  ? kasan_check_read+0x11/0x20
[  449.948651]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  449.953943]  ? rcu_softirq_qs+0x20/0x20
[  449.957941]  ? filemap_map_pages+0xd92/0x1a20
[  449.962449]  ? queue_work_on+0x12c/0x1e0
[  449.966522]  ? find_get_entries_tag+0x1400/0x1400
[  449.971399]  ? debug_object_destroy+0x2b0/0x2b0
[  449.976076]  ? lock_pi_update_atomic+0x150/0x150
[  449.980838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  449.986396]  ? lock_acquire+0x1ed/0x520
[  449.990376]  ? ext4_filemap_fault+0x7a/0xad
[  449.994715]  ? lock_release+0xa00/0xa00
[  449.998689]  ? perf_trace_sched_process_exec+0x860/0x860
[  450.004146]  ? print_usage_bug+0xc0/0xc0
[  450.008224]  ? print_usage_bug+0xc0/0xc0
[  450.012303]  ? down_read+0x8d/0x120
[  450.015943]  ? ext4_filemap_fault+0x7a/0xad
[  450.020269]  ? __down_interruptible+0x700/0x700
[  450.024956]  ext4_filemap_fault+0x82/0xad
[  450.029111]  __do_fault+0x100/0x6b0
[  450.032739]  ? find_held_lock+0x36/0x1c0
[  450.036805]  ? pmd_devmap_trans_unstable+0x220/0x220
[  450.041912]  ? mark_held_locks+0x130/0x130
[  450.046156]  ? mark_held_locks+0x130/0x130
[  450.050399]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.054912]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.059431]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  450.064025]  ? kasan_check_read+0x11/0x20
[  450.068180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.073725]  __handle_mm_fault+0x3ea0/0x5be0
[  450.078148]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  450.083012]  ? finish_task_switch+0x1f4/0x910
[  450.087509]  ? finish_task_switch+0x1b4/0x910
[  450.092015]  ? __switch_to_asm+0x34/0x70
[  450.096082]  ? preempt_notifier_register+0x200/0x200
[  450.101186]  ? __switch_to_asm+0x34/0x70
[  450.105245]  ? __switch_to_asm+0x34/0x70
[  450.109328]  ? zap_class+0x640/0x640
[  450.113045]  ? zap_class+0x640/0x640
[  450.116764]  ? __x64_sys_futex+0x53e/0x6a0
[  450.121008]  ? find_held_lock+0x36/0x1c0
[  450.125081]  ? handle_mm_fault+0x42a/0xc70
[  450.129345]  ? lock_downgrade+0x900/0x900
[  450.133510]  ? check_preemption_disabled+0x48/0x280
[  450.138537]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  450.143473]  ? kasan_check_read+0x11/0x20
[  450.147628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  450.152906]  ? rcu_softirq_qs+0x20/0x20
[  450.156906]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.162022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.167565]  ? check_preemption_disabled+0x48/0x280
[  450.172594]  handle_mm_fault+0x54f/0xc70
[  450.176663]  ? __handle_mm_fault+0x5be0/0x5be0
[  450.181250]  ? find_vma+0x34/0x190
[  450.184803]  __do_page_fault+0x5e8/0xe60
[  450.188866]  ? trace_hardirqs_off+0xb8/0x310
[  450.193287]  do_page_fault+0xf2/0x7e0
[  450.197100]  ? vmalloc_sync_all+0x30/0x30
[  450.201394]  ? error_entry+0x70/0xd0
[  450.205114]  ? trace_hardirqs_off_caller+0xbb/0x310
[  450.210131]  ? trace_hardirqs_on_caller+0xc0/0x310
[  450.215079]  ? syscall_return_slowpath+0x5e0/0x5e0
[  450.220016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.224864]  ? trace_hardirqs_on_caller+0x310/0x310
[  450.229884]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  450.235353]  ? prepare_exit_to_usermode+0x291/0x3b0
[  450.240389]  ? page_fault+0x8/0x30
[  450.243949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  450.248811]  ? page_fault+0x8/0x30
[  450.252368]  page_fault+0x1e/0x30
[  450.256179] RIP: 0033:0x45ddf3
[  450.259392] Code: Bad RIP value.
[  450.262755] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  450.268119] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  450.275395] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  450.282664] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  450.289933] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  450.297203] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  450.304500] warn_alloc_show_mem: 1 callbacks suppressed
[  450.304512] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  450.304514] Mem-Info:
[  450.304546] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  450.304546]  active_file:15 inactive_file:15 isolated_file:0
[  450.304546]  unevictable:0 dirty:0 writeback:0 unstable:0
[  450.304546]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  450.304546]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  450.304546]  free:13750 free_pcp:296 free_cma:0
[  450.309893] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  450.317174] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  450.319577] Call Trace:
[  450.352636] 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
[  450.361990]  <IRQ>
[  450.389476] lowmem_reserve[]: 0 2818 6321 6321
[  450.392086]  dump_stack+0x244/0x39d
[  450.418179] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  450.420355]  ? dump_stack_print_info.cold.1+0x20/0x20
[  450.424890] lowmem_reserve[]: 0 0 3503 3503
[  450.428551]  warn_alloc.cold.116+0xb7/0x1bd
[  450.456037] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  450.461233]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  450.465519] lowmem_reserve[]: 0 0 0 0
[  450.469841]  ? lock_downgrade+0x900/0x900
[  450.498803] 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
[  450.503650]  ? trace_hardirqs_off+0xb8/0x310
[  450.507422] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  450.511572]  ? trace_hardirqs_off+0xb8/0x310
[  450.525073] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  450.529499]  __alloc_pages_slowpath+0x26e8/0x2e10
[  450.545001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  450.549438]  ? warn_alloc+0x120/0x120
[  450.563515] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  450.563524] 2335 total pagecache pages
[  450.568370]  ? warn_alloc+0x120/0x120
[  450.577196] 0 pages in swap cache
[  450.580985]  ? __lock_acquire+0x62f/0x4c20
[  450.589534] Swap cache stats: add 0, delete 0, find 0/0
[  450.593439]  ? warn_alloc+0x120/0x120
[  450.597214] Free swap  = 0kB
[  450.600671]  ? print_usage_bug+0xc0/0xc0
[  450.604887] Total swap = 0kB
[  450.610253]  ? print_usage_bug+0xc0/0xc0
[  450.614032] 1965979 pages RAM
[  450.617044]  ? mark_held_locks+0x130/0x130
[  450.621100] 0 pages HighMem/MovableOnly
[  450.621109] 342853 pages reserved
[  450.624145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  450.628184] 0 pages cma reserved
[  450.631286]  ? should_fail+0x22d/0xd01
[  450.635675] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  450.639459]  ? zap_class+0x640/0x640
[  450.642894] syz-fuzzer cpuset=/ mems_allowed=0
[  450.648431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.679427]  ? __lock_acquire+0x62f/0x4c20
[  450.683668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  450.688773]  ? should_fail+0x22d/0xd01
[  450.692674]  ? mark_held_locks+0x130/0x130
[  450.696915]  ? mark_held_locks+0x130/0x130
[  450.701166]  ? lock_downgrade+0x900/0x900
[  450.705324]  ? zap_class+0x640/0x640
[  450.709042]  ? zap_class+0x640/0x640
[  450.712780]  ? zap_class+0x640/0x640
[  450.716496]  ? do_raw_spin_unlock+0xa7/0x330
[  450.720911]  ? trace_hardirqs_on+0x310/0x310
[  450.725339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.730883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.736430]  ? check_preemption_disabled+0x48/0x280
[  450.741485]  ? __lock_is_held+0xb5/0x140
[  450.745570]  __alloc_pages_nodemask+0xa80/0xde0
[  450.750262]  ? zap_class+0x640/0x640
[  450.753993]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  450.759022]  ? find_held_lock+0x36/0x1c0
[  450.763103]  ? ____cache_alloc_node+0x1c7/0x1e0
[  450.767773]  ? lock_downgrade+0x900/0x900
[  450.771929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.777503]  cache_grow_begin+0xa5/0x8c0
[  450.781593]  ? do_raw_spin_unlock+0xa7/0x330
[  450.786012]  fallback_alloc+0x204/0x2e0
[  450.790001]  ____cache_alloc_node+0x1c7/0x1e0
[  450.794518]  kmem_cache_alloc_node+0xe3/0x730
[  450.799017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.803611]  __alloc_skb+0x119/0x770
[  450.807335]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  450.812708]  ? netdev_alloc_frag+0x1f0/0x1f0
[  450.817128]  ? vprintk_default+0x28/0x30
[  450.821197]  ? vprintk_func+0x85/0x181
[  450.825101]  ? printk+0xa7/0xcf
[  450.828473]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  450.833238]  ? do_raw_spin_trylock+0x270/0x270
[  450.837834]  new_skb+0x26/0x1c0
[  450.841120]  aoecmd_cfg+0x279/0x7f0
[  450.844755]  ? find_held_lock+0x36/0x1c0
[  450.848824]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  450.853158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.858714]  ? __lock_is_held+0xb5/0x140
[  450.862788]  discover_timer+0x50/0x60
[  450.866595]  call_timer_fn+0x272/0x920
[  450.870493]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  450.875352]  ? process_timeout+0x40/0x40
[  450.879455]  ? __run_timers+0x7da/0xc70
[  450.883486]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.887988]  ? _raw_spin_unlock_irq+0x27/0x80
[  450.892490]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  450.897339]  ? lockdep_hardirqs_on+0x296/0x5b0
[  450.901926]  ? trace_hardirqs_on+0xbd/0x310
[  450.906261]  ? kasan_check_read+0x11/0x20
[  450.910409]  ? __run_timers+0x7da/0xc70
[  450.914390]  ? trace_hardirqs_off_caller+0x310/0x310
[  450.919511]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  450.924364]  __run_timers+0x7e5/0xc70
[  450.928181]  ? timer_fixup_init+0x70/0x70
[  450.932344]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  450.937395]  ? zap_class+0x640/0x640
[  450.941124]  ? enqueue_hrtimer+0x1a5/0x560
[  450.945367]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  450.950569]  ? find_held_lock+0x36/0x1c0
[  450.954639]  ? zap_class+0x640/0x640
[  450.958375]  ? pvclock_read_flags+0x160/0x160
[  450.962876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.968440]  ? check_preemption_disabled+0x48/0x280
[  450.973471]  ? __lock_is_held+0xb5/0x140
[  450.977560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  450.983110]  ? check_preemption_disabled+0x48/0x280
[  450.988138]  run_timer_softirq+0x52/0xb0
[  450.992203]  ? rcu_read_lock_sched_held+0x14f/0x180
[  450.997232]  __do_softirq+0x308/0xb7e
[  451.001036]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.005534]  ? lock_downgrade+0x900/0x900
[  451.009703]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.014827]  ? pvclock_read_flags+0x160/0x160
[  451.019335]  ? lapic_next_event+0x5a/0x90
[  451.023492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.029037]  ? kvm_clock_read+0x18/0x30
[  451.033022]  ? kvm_sched_clock_read+0x9/0x20
[  451.037439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.042980]  ? check_preemption_disabled+0x48/0x280
[  451.048014]  irq_exit+0x17f/0x1c0
[  451.051470]  smp_apic_timer_interrupt+0x1cb/0x760
[  451.056330]  ? smp_reschedule_interrupt+0x109/0x650
[  451.061356]  ? smp_call_function_single_interrupt+0x650/0x650
[  451.067244]  ? interrupt_entry+0xb5/0xc0
[  451.071310]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.076340]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.081391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.086239]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.091262]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.096300]  ? task_prio+0x50/0x50
[  451.099869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.105422]  ? check_preemption_disabled+0x48/0x280
[  451.110454]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.115322]  apic_timer_interrupt+0xf/0x20
[  451.119556]  </IRQ>
[  451.121799] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  451.126732] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  451.145645] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  451.153366] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  451.160636] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  451.167902] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  451.175169] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  451.182471] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  451.189791]  skb_clone+0x1bb/0x500
[  451.193350]  ? finish_task_switch+0x2f4/0x910
[  451.197851]  ? skb_split+0x11e0/0x11e0
[  451.201743]  ? preempt_notifier_register+0x200/0x200
[  451.206870]  ? __switch_to_asm+0x34/0x70
[  451.210931]  ? __switch_to_asm+0x34/0x70
[  451.214993]  ? __switch_to_asm+0x40/0x70
[  451.219053]  ? __switch_to_asm+0x34/0x70
[  451.223112]  ? __switch_to_asm+0x40/0x70
[  451.227169]  ? __switch_to_asm+0x34/0x70
[  451.231251]  ? __switch_to_asm+0x40/0x70
[  451.235321]  ? __switch_to_asm+0x34/0x70
[  451.239408]  ? __switch_to_asm+0x34/0x70
[  451.243499]  ? __switch_to_asm+0x40/0x70
[  451.247558]  ? __switch_to_asm+0x34/0x70
[  451.251639]  bpf_clone_redirect+0xb9/0x490
[  451.255878]  ? __schedule+0x8d7/0x21d0
[  451.259772]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  451.264805]  ? __sched_text_start+0x8/0x8
[  451.268969]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  451.273744]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  451.278339]  ? retint_kernel+0x2d/0x2d
[  451.282232]  ? find_held_lock+0x36/0x1c0
[  451.286307]  ? lock_acquire+0x1ed/0x520
[  451.290298]  ? bpf_test_run+0x3cb/0x780
[  451.294302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.299873]  ? check_preemption_disabled+0x48/0x280
[  451.304907]  ? kasan_check_read+0x11/0x20
[  451.309056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  451.314345]  ? rcu_softirq_qs+0x20/0x20
[  451.318339]  ? preempt_schedule+0x4d/0x60
[  451.322491]  ? ___preempt_schedule+0x16/0x18
[  451.326910]  ? bpf_test_run+0x25d/0x780
[  451.331062]  ? netlink_diag_dump+0x2a0/0x2a0
[  451.335480]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.341018]  ? bpf_test_init.isra.10+0x70/0x100
[  451.345696]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  451.350492]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.355344]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  451.360931]  ? fput+0x130/0x1a0
[  451.364215]  ? __bpf_prog_get+0x9b/0x290
[  451.368287]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  451.373136]  ? bpf_prog_test_run+0x130/0x1a0
[  451.377553]  ? __x64_sys_bpf+0x3d8/0x520
[  451.381637]  ? bpf_prog_get+0x20/0x20
[  451.385466]  ? do_syscall_64+0x1b9/0x820
[  451.389530]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  451.394910]  ? syscall_return_slowpath+0x5e0/0x5e0
[  451.399845]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.404695]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.409712]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  451.414738]  ? prepare_exit_to_usermode+0x291/0x3b0
[  451.419763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.424615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  451.429998] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  451.430087] aoe: skb alloc failure
[  451.436938] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  451.436944] Call Trace:
[  451.436951]  <IRQ>
[  451.436970]  dump_stack+0x244/0x39d
[  451.436999]  ? dump_stack_print_info.cold.1+0x20/0x20
[  451.440556] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  451.449885]  warn_alloc.cold.116+0xb7/0x1bd
[  451.452439] syz-executor1 cpuset=syz1 mems_allowed=0
[  451.454589]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  451.488086]  ? lock_downgrade+0x900/0x900
[  451.492251]  ? trace_hardirqs_off+0xb8/0x310
[  451.496673]  ? trace_hardirqs_off+0xb8/0x310
[  451.501094]  __alloc_pages_slowpath+0x26e8/0x2e10
[  451.505983]  ? warn_alloc+0x120/0x120
[  451.509790]  ? warn_alloc+0x120/0x120
[  451.513600]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.518618]  ? warn_alloc+0x120/0x120
[  451.522438]  ? print_usage_bug+0xc0/0xc0
[  451.526521]  ? print_usage_bug+0xc0/0xc0
[  451.530594]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.535799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.541346]  ? should_fail+0x22d/0xd01
[  451.545252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.550363]  ? __lock_acquire+0x62f/0x4c20
[  451.554602]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  451.559721]  ? should_fail+0x22d/0xd01
[  451.563634]  ? mark_held_locks+0x130/0x130
[  451.567877]  ? mark_held_locks+0x130/0x130
[  451.572112]  ? print_usage_bug+0xc0/0xc0
[  451.576239]  ? find_held_lock+0x36/0x1c0
[  451.580305]  ? zap_class+0x640/0x640
[  451.584038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.589606]  ? check_preemption_disabled+0x48/0x280
[  451.594633]  ? __lock_is_held+0xb5/0x140
[  451.598708]  __alloc_pages_nodemask+0xa80/0xde0
[  451.603398]  ? zap_class+0x640/0x640
[  451.607121]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  451.612149]  ? find_held_lock+0x36/0x1c0
[  451.616225]  ? ____cache_alloc_node+0x1c7/0x1e0
[  451.620901]  ? lock_downgrade+0x900/0x900
[  451.625067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.630620]  cache_grow_begin+0xa5/0x8c0
[  451.634689]  ? do_raw_spin_unlock+0xa7/0x330
[  451.639117]  fallback_alloc+0x204/0x2e0
[  451.643102]  ____cache_alloc_node+0x1c7/0x1e0
[  451.647628]  kmem_cache_alloc_node+0xe3/0x730
[  451.652131]  ? mark_held_locks+0xc7/0x130
[  451.656295]  __alloc_skb+0x119/0x770
[  451.660023]  ? netdev_alloc_frag+0x1f0/0x1f0
[  451.664485]  ? do_raw_spin_trylock+0x270/0x270
[  451.669072]  ? kmem_cache_alloc_trace+0x353/0x750
[  451.673945]  ? queue_work_on+0x12c/0x1e0
[  451.678050]  ? switchdev_port_obj_del+0xdc/0x440
[  451.682806]  ? switchdev_trans_item_enqueue+0x260/0x260
[  451.688180]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  451.693217]  __br_mdb_notify+0x4ff/0x15d0
[  451.697376]  ? __br_mdb_add+0x7f0/0x7f0
[  451.701366]  ? zap_class+0x640/0x640
[  451.705093]  ? br_multicast_group_expired+0x96/0x610
[  451.710199]  ? lock_downgrade+0x900/0x900
[  451.714354]  br_mdb_notify+0x310/0x410
[  451.718254]  ? br_mdb_dump+0x27b0/0x27b0
[  451.722334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.727886]  br_multicast_group_expired+0x1bc/0x610
[  451.732931]  ? br_mdb_free+0x80/0x80
[  451.736667]  call_timer_fn+0x272/0x920
[  451.740555]  ? br_mdb_free+0x80/0x80
[  451.744269]  ? process_timeout+0x40/0x40
[  451.748362]  ? mark_held_locks+0xc7/0x130
[  451.752556]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.757070]  ? _raw_spin_unlock_irq+0x27/0x80
[  451.761565]  ? br_mdb_free+0x80/0x80
[  451.765298]  ? lockdep_hardirqs_on+0x296/0x5b0
[  451.769892]  ? trace_hardirqs_on+0xbd/0x310
[  451.774227]  ? kasan_check_read+0x11/0x20
[  451.778375]  ? __run_timers+0x7da/0xc70
[  451.782358]  ? trace_hardirqs_off_caller+0x310/0x310
[  451.787474]  ? br_mdb_free+0x80/0x80
[  451.791200]  ? br_mdb_free+0x80/0x80
[  451.794923]  __run_timers+0x7e5/0xc70
[  451.798767]  ? timer_fixup_init+0x70/0x70
[  451.802929]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  451.807960]  ? zap_class+0x640/0x640
[  451.811683]  ? print_usage_bug+0xc0/0xc0
[  451.815751]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  451.820955]  ? find_held_lock+0x36/0x1c0
[  451.825026]  ? zap_class+0x640/0x640
[  451.828751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.834296]  ? check_preemption_disabled+0x48/0x280
[  451.839348]  ? __lock_is_held+0xb5/0x140
[  451.843414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.848957]  ? check_preemption_disabled+0x48/0x280
[  451.853980]  run_timer_softirq+0x52/0xb0
[  451.858043]  ? rcu_read_lock_sched_held+0x14f/0x180
[  451.863060]  __do_softirq+0x308/0xb7e
[  451.866876]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  451.871375]  ? lock_downgrade+0x900/0x900
[  451.875530]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  451.880653]  ? pvclock_read_flags+0x160/0x160
[  451.885154]  ? lapic_next_event+0x5a/0x90
[  451.889307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.894868]  ? kvm_clock_read+0x18/0x30
[  451.898843]  ? kvm_sched_clock_read+0x9/0x20
[  451.903257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  451.908797]  ? check_preemption_disabled+0x48/0x280
[  451.913827]  irq_exit+0x17f/0x1c0
[  451.917287]  smp_apic_timer_interrupt+0x1cb/0x760
[  451.922138]  ? smp_reschedule_interrupt+0x109/0x650
[  451.927162]  ? smp_call_function_single_interrupt+0x650/0x650
[  451.933046]  ? interrupt_entry+0xb5/0xc0
[  451.937112]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.942138]  ? trace_hardirqs_off_caller+0xbb/0x310
[  451.947157]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.952021]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.957046]  ? trace_hardirqs_on_caller+0x310/0x310
[  451.962065]  ? task_prio+0x50/0x50
[  451.965609]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  451.971148]  ? check_preemption_disabled+0x48/0x280
[  451.976175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  451.981031]  apic_timer_interrupt+0xf/0x20
[  451.985261]  </IRQ>
[  451.987501] RIP: 0010:console_unlock+0x102f/0x1190
[  451.992453] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  452.011355] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  452.019062] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  452.026337] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  452.033613] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  452.040882] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  452.048166] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  452.055455]  ? netconsole_netdev_event+0x280/0x280
[  452.060395]  ? console_unlock+0x1026/0x1190
[  452.064736]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  452.069405]  ? vprintk_emit+0x846/0x990
[  452.073417]  ? lock_release+0xa00/0xa00
[  452.077413]  ? trace_hardirqs_on+0x60/0x310
[  452.081738]  ? vprintk_default+0x28/0x30
[  452.085814]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.090928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.096481]  vprintk_emit+0x391/0x990
[  452.100290]  ? wake_up_klogd+0x180/0x180
[  452.104372]  ? find_held_lock+0x1/0x1c0
[  452.108358]  ? mark_held_locks+0xc7/0x130
[  452.112523]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.117023]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.121526]  vprintk_default+0x28/0x30
[  452.125421]  vprintk_func+0x7e/0x181
[  452.129144]  printk+0xa7/0xcf
[  452.132250]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  452.137012]  ? _raw_spin_unlock_irq+0x60/0x80
[  452.141528]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  452.146818]  dump_header+0x7cc/0xf72
[  452.150547]  ? pagefault_out_of_memory+0x197/0x197
[  452.155489]  ? __lock_acquire+0x62f/0x4c20
[  452.159732]  ? percpu_ref_get_many+0x240/0x240
[  452.164332]  ? print_usage_bug+0xc0/0xc0
[  452.168424]  ? zap_class+0x640/0x640
[  452.172146]  ? print_usage_bug+0xc0/0xc0
[  452.176211]  ? zap_class+0x640/0x640
[  452.179940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.185488]  ? find_held_lock+0x36/0x1c0
[  452.189572]  ? mark_held_locks+0xc7/0x130
[  452.193733]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.198980]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  452.204089]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.208675]  ? trace_hardirqs_on+0xbd/0x310
[  452.213020]  ? kasan_check_read+0x11/0x20
[  452.217175]  ? ___ratelimit+0x3b4/0x672
[  452.221157]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.226280]  ? trace_hardirqs_on+0x310/0x310
[  452.230698]  ? lock_downgrade+0x900/0x900
[  452.234858]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  452.239967]  ? ___ratelimit+0x3b9/0x672
[  452.243947]  ? idr_get_free+0xf70/0xf70
[  452.247929]  ? find_held_lock+0x36/0x1c0
[  452.252005]  oom_kill_process.cold.27+0x10/0x903
[  452.256805]  ? zap_class+0x640/0x640
[  452.260529]  ? check_preemption_disabled+0x48/0x280
[  452.265552]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.270482]  ? kasan_check_read+0x11/0x20
[  452.274632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.279921]  ? oom_evaluate_task+0x540/0x540
[  452.284345]  ? find_held_lock+0x36/0x1c0
[  452.288418]  ? out_of_memory+0x974/0x1430
[  452.292575]  ? lock_downgrade+0x900/0x900
[  452.296727]  ? check_preemption_disabled+0x48/0x280
[  452.301757]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.306699]  ? kasan_check_read+0x11/0x20
[  452.310851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.316130]  ? rcu_softirq_qs+0x20/0x20
[  452.320116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.325656]  ? oom_evaluate_task+0x302/0x540
[  452.330069]  out_of_memory+0xa84/0x1430
[  452.334059]  ? oom_killer_disable+0x3a0/0x3a0
[  452.338559]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  452.343496]  ? __ww_mutex_check_waiters+0x160/0x160
[  452.348527]  __alloc_pages_slowpath+0x2354/0x2e10
[  452.353413]  ? warn_alloc+0x120/0x120
[  452.357216]  ? mark_held_locks+0x130/0x130
[  452.361458]  ? find_get_entry+0xaae/0x1120
[  452.365711]  ? filemap_map_pages+0x1a20/0x1a20
[  452.370304]  ? zap_class+0x640/0x640
[  452.374041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.379600]  ? check_preemption_disabled+0x48/0x280
[  452.384619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.390163]  ? should_fail+0x22d/0xd01
[  452.394059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  452.399169]  ? zap_class+0x640/0x640
[  452.402909]  ? __lock_is_held+0xb5/0x140
[  452.407091]  ? mark_held_locks+0x130/0x130
[  452.411346]  ? lock_release+0xa00/0xa00
[  452.415338]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.420799]  ? xa_load+0x2ba/0x460
[  452.424396]  ? lock_downgrade+0x900/0x900
[  452.428573]  ? __might_sleep+0x95/0x190
[  452.432558]  __alloc_pages_nodemask+0xa80/0xde0
[  452.437250]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  452.442283]  ? __page_cache_alloc+0x191/0x5c0
[  452.446784]  ? xa_load+0x2e1/0x460
[  452.450336]  ? xa_clear_mark+0x40/0x40
[  452.454228]  ? zap_class+0x640/0x640
[  452.457946]  ? zap_class+0x640/0x640
[  452.461668]  ? zap_class+0x640/0x640
[  452.465400]  ? zap_class+0x640/0x640
[  452.469121]  ? __do_page_cache_readahead+0x663/0x810
[  452.474244]  ? find_held_lock+0x36/0x1c0
[  452.478334]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  452.483883]  alloc_pages_current+0x173/0x350
[  452.488302]  __page_cache_alloc+0x38c/0x5c0
[  452.492634]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.497568]  ? kasan_check_read+0x11/0x20
[  452.501723]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.507003]  ? generic_perform_write+0x6a0/0x6a0
[  452.511767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.517330]  ? check_preemption_disabled+0x48/0x280
[  452.522359]  filemap_fault+0x1595/0x25f0
[  452.526435]  ? __lock_page_or_retry+0xa00/0xa00
[  452.531114]  ? mark_held_locks+0x130/0x130
[  452.535371]  ? filemap_map_pages+0xd6b/0x1a20
[  452.539869]  ? lock_downgrade+0x900/0x900
[  452.544033]  ? check_preemption_disabled+0x48/0x280
[  452.549051]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.553996]  ? kasan_check_read+0x11/0x20
[  452.558146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.563425]  ? rcu_softirq_qs+0x20/0x20
[  452.567424]  ? filemap_map_pages+0xd92/0x1a20
[  452.571931]  ? queue_work_on+0x12c/0x1e0
[  452.576010]  ? find_get_entries_tag+0x1400/0x1400
[  452.580865]  ? debug_object_destroy+0x2b0/0x2b0
[  452.585539]  ? lock_pi_update_atomic+0x150/0x150
[  452.590307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  452.595869]  ? lock_acquire+0x1ed/0x520
[  452.599846]  ? ext4_filemap_fault+0x7a/0xad
[  452.604179]  ? lock_release+0xa00/0xa00
[  452.608157]  ? perf_trace_sched_process_exec+0x860/0x860
[  452.613637]  ? print_usage_bug+0xc0/0xc0
[  452.617701]  ? print_usage_bug+0xc0/0xc0
[  452.621785]  ? down_read+0x8d/0x120
[  452.625419]  ? ext4_filemap_fault+0x7a/0xad
[  452.629749]  ? __down_interruptible+0x700/0x700
[  452.634439]  ext4_filemap_fault+0x82/0xad
[  452.638606]  __do_fault+0x100/0x6b0
[  452.642232]  ? find_held_lock+0x36/0x1c0
[  452.646301]  ? pmd_devmap_trans_unstable+0x220/0x220
[  452.651425]  ? mark_held_locks+0x130/0x130
[  452.655674]  ? mark_held_locks+0x130/0x130
[  452.659907]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.664415]  ? _raw_spin_unlock_irq+0x27/0x80
[  452.668923]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  452.673516]  ? kasan_check_read+0x11/0x20
[  452.677671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.683221]  __handle_mm_fault+0x3ea0/0x5be0
[  452.687646]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  452.692498]  ? finish_task_switch+0x1f4/0x910
[  452.696998]  ? finish_task_switch+0x1b4/0x910
[  452.701496]  ? __switch_to_asm+0x34/0x70
[  452.705563]  ? preempt_notifier_register+0x200/0x200
[  452.710679]  ? __switch_to_asm+0x34/0x70
[  452.714745]  ? __switch_to_asm+0x34/0x70
[  452.718822]  ? zap_class+0x640/0x640
[  452.722538]  ? zap_class+0x640/0x640
[  452.726251]  ? __x64_sys_futex+0x53e/0x6a0
[  452.730492]  ? find_held_lock+0x36/0x1c0
[  452.734564]  ? handle_mm_fault+0x42a/0xc70
[  452.738815]  ? lock_downgrade+0x900/0x900
[  452.742994]  ? check_preemption_disabled+0x48/0x280
[  452.748030]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  452.752987]  ? kasan_check_read+0x11/0x20
[  452.757143]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  452.762426]  ? rcu_softirq_qs+0x20/0x20
[  452.766406]  ? trace_hardirqs_off_caller+0x310/0x310
[  452.771520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  452.777060]  ? check_preemption_disabled+0x48/0x280
[  452.782087]  handle_mm_fault+0x54f/0xc70
[  452.786156]  ? __handle_mm_fault+0x5be0/0x5be0
[  452.790750]  ? find_vma+0x34/0x190
[  452.794298]  __do_page_fault+0x5e8/0xe60
[  452.798375]  ? trace_hardirqs_off+0xb8/0x310
[  452.802796]  do_page_fault+0xf2/0x7e0
[  452.806603]  ? vmalloc_sync_all+0x30/0x30
[  452.810795]  ? error_entry+0x70/0xd0
[  452.814513]  ? trace_hardirqs_off_caller+0xbb/0x310
[  452.819530]  ? trace_hardirqs_on_caller+0xc0/0x310
[  452.824465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  452.829412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.834256]  ? trace_hardirqs_on_caller+0x310/0x310
[  452.839276]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  452.844735]  ? prepare_exit_to_usermode+0x291/0x3b0
[  452.849751]  ? page_fault+0x8/0x30
[  452.853307]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  452.858163]  ? page_fault+0x8/0x30
[  452.861709]  page_fault+0x1e/0x30
[  452.865163] RIP: 0033:0x45ddf3
[  452.868393] Code: Bad RIP value.
[  452.871755] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  452.877117] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  452.884390] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  452.891666] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  452.898937] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  452.906210] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  452.913498] warn_alloc_show_mem: 1 callbacks suppressed
[  452.913510] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  452.913512] Mem-Info:
[  452.913544] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  452.913544]  active_file:15 inactive_file:15 isolated_file:0
[  452.913544]  unevictable:0 dirty:0 writeback:0 unstable:0
[  452.913544]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  452.913544]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  452.913544]  free:13750 free_pcp:296 free_cma:0
[  452.918889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  452.926167] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  452.928568] Call Trace:
[  452.961613] 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
[  452.970959]  <IRQ>
[  452.998450] lowmem_reserve[]: 0 2818 6321 6321
[  453.001054]  dump_stack+0x244/0x39d
[  453.027152] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  453.029322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  453.033866] lowmem_reserve[]: 0 0 3503 3503
[  453.037514]  warn_alloc.cold.116+0xb7/0x1bd
[  453.065005] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  453.070198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  453.074512] lowmem_reserve[]: 0 0 0 0
[  453.078833]  ? lock_downgrade+0x900/0x900
[  453.107783] 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
[  453.112631]  ? trace_hardirqs_off+0xb8/0x310
[  453.116401] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  453.120576]  ? trace_hardirqs_off+0xb8/0x310
[  453.134079] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  453.138490]  __alloc_pages_slowpath+0x26e8/0x2e10
[  453.153992] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  453.158421]  ? warn_alloc+0x120/0x120
[  453.172529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  453.177365]  ? warn_alloc+0x120/0x120
[  453.186186] 2335 total pagecache pages
[  453.189986]  ? __lock_acquire+0x62f/0x4c20
[  453.198540] 0 pages in swap cache
[  453.202337]  ? warn_alloc+0x120/0x120
[  453.206203] Swap cache stats: add 0, delete 0, find 0/0
[  453.210438]  ? print_usage_bug+0xc0/0xc0
[  453.213881] Free swap  = 0kB
[  453.217678]  ? print_usage_bug+0xc0/0xc0
[  453.223023] Total swap = 0kB
[  453.227078]  ? mark_held_locks+0x130/0x130
[  453.230073] 1965979 pages RAM
[  453.234132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.237119] 0 pages HighMem/MovableOnly
[  453.241356]  ? should_fail+0x22d/0xd01
[  453.244454] 342853 pages reserved
[  453.249996]  ? zap_class+0x640/0x640
[  453.253948] 0 pages cma reserved
[  453.257830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.261444] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  453.264971]  ? __lock_acquire+0x62f/0x4c20
[  453.268338] syz-fuzzer cpuset=/ mems_allowed=0
[  453.273441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  453.297570]  ? should_fail+0x22d/0xd01
[  453.301471]  ? mark_held_locks+0x130/0x130
[  453.305709]  ? mark_held_locks+0x130/0x130
[  453.309944]  ? lock_downgrade+0x900/0x900
[  453.314108]  ? zap_class+0x640/0x640
[  453.317825]  ? zap_class+0x640/0x640
[  453.321542]  ? zap_class+0x640/0x640
[  453.325261]  ? do_raw_spin_unlock+0xa7/0x330
[  453.329805]  ? trace_hardirqs_on+0x310/0x310
[  453.334231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.339786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.345340]  ? check_preemption_disabled+0x48/0x280
[  453.350387]  ? __lock_is_held+0xb5/0x140
[  453.354466]  __alloc_pages_nodemask+0xa80/0xde0
[  453.359137]  ? zap_class+0x640/0x640
[  453.362862]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  453.367893]  ? find_held_lock+0x36/0x1c0
[  453.371981]  ? ____cache_alloc_node+0x1c7/0x1e0
[  453.376657]  ? lock_downgrade+0x900/0x900
[  453.380818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.386369]  cache_grow_begin+0xa5/0x8c0
[  453.390443]  ? do_raw_spin_unlock+0xa7/0x330
[  453.394861]  fallback_alloc+0x204/0x2e0
[  453.398851]  ____cache_alloc_node+0x1c7/0x1e0
[  453.403360]  kmem_cache_alloc_node+0xe3/0x730
[  453.407860]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.412457]  __alloc_skb+0x119/0x770
[  453.416177]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  453.421549]  ? netdev_alloc_frag+0x1f0/0x1f0
[  453.425967]  ? vprintk_default+0x28/0x30
[  453.430040]  ? vprintk_func+0x85/0x181
[  453.433945]  ? printk+0xa7/0xcf
[  453.437226]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  453.441989]  ? do_raw_spin_trylock+0x270/0x270
[  453.446581]  new_skb+0x26/0x1c0
[  453.449865]  aoecmd_cfg+0x279/0x7f0
[  453.453496]  ? find_held_lock+0x36/0x1c0
[  453.457562]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  453.461909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.467464]  ? __lock_is_held+0xb5/0x140
[  453.471538]  discover_timer+0x50/0x60
[  453.475347]  call_timer_fn+0x272/0x920
[  453.479241]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  453.484085]  ? process_timeout+0x40/0x40
[  453.488155]  ? __run_timers+0x7da/0xc70
[  453.492134]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.496632]  ? _raw_spin_unlock_irq+0x27/0x80
[  453.501129]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  453.505985]  ? lockdep_hardirqs_on+0x296/0x5b0
[  453.510572]  ? trace_hardirqs_on+0xbd/0x310
[  453.514907]  ? kasan_check_read+0x11/0x20
[  453.519056]  ? __run_timers+0x7da/0xc70
[  453.523034]  ? trace_hardirqs_off_caller+0x310/0x310
[  453.528153]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  453.532995]  __run_timers+0x7e5/0xc70
[  453.536812]  ? timer_fixup_init+0x70/0x70
[  453.540967]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  453.546006]  ? zap_class+0x640/0x640
[  453.549746]  ? enqueue_hrtimer+0x1a5/0x560
[  453.553985]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  453.559189]  ? find_held_lock+0x36/0x1c0
[  453.563279]  ? zap_class+0x640/0x640
[  453.567044]  ? pvclock_read_flags+0x160/0x160
[  453.571560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.577101]  ? check_preemption_disabled+0x48/0x280
[  453.582137]  ? __lock_is_held+0xb5/0x140
[  453.586210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.591778]  ? check_preemption_disabled+0x48/0x280
[  453.596819]  run_timer_softirq+0x52/0xb0
[  453.600885]  ? rcu_read_lock_sched_held+0x14f/0x180
[  453.605904]  __do_softirq+0x308/0xb7e
[  453.609725]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  453.614222]  ? lock_downgrade+0x900/0x900
[  453.618377]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  453.623513]  ? pvclock_read_flags+0x160/0x160
[  453.628017]  ? lapic_next_event+0x5a/0x90
[  453.632173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.637723]  ? kvm_clock_read+0x18/0x30
[  453.641719]  ? kvm_sched_clock_read+0x9/0x20
[  453.646135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.651699]  ? check_preemption_disabled+0x48/0x280
[  453.656726]  irq_exit+0x17f/0x1c0
[  453.660190]  smp_apic_timer_interrupt+0x1cb/0x760
[  453.665035]  ? smp_reschedule_interrupt+0x109/0x650
[  453.670056]  ? smp_call_function_single_interrupt+0x650/0x650
[  453.675944]  ? interrupt_entry+0xb5/0xc0
[  453.680012]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.685030]  ? trace_hardirqs_off_caller+0xbb/0x310
[  453.690055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.694928]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.699945]  ? trace_hardirqs_on_caller+0x310/0x310
[  453.704963]  ? task_prio+0x50/0x50
[  453.708514]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.714059]  ? check_preemption_disabled+0x48/0x280
[  453.719091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  453.723985]  apic_timer_interrupt+0xf/0x20
[  453.728220]  </IRQ>
[  453.730473] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  453.735411] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  453.754326] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  453.762043] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  453.769330] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  453.776619] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  453.783897] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  453.791174] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  453.798511]  skb_clone+0x1bb/0x500
[  453.802073]  ? finish_task_switch+0x2f4/0x910
[  453.806578]  ? skb_split+0x11e0/0x11e0
[  453.810482]  ? preempt_notifier_register+0x200/0x200
[  453.815597]  ? __switch_to_asm+0x34/0x70
[  453.819662]  ? __switch_to_asm+0x34/0x70
[  453.823722]  ? __switch_to_asm+0x40/0x70
[  453.827783]  ? __switch_to_asm+0x34/0x70
[  453.831871]  ? __switch_to_asm+0x40/0x70
[  453.835932]  ? __switch_to_asm+0x34/0x70
[  453.839995]  ? __switch_to_asm+0x40/0x70
[  453.844065]  ? __switch_to_asm+0x34/0x70
[  453.848127]  ? __switch_to_asm+0x34/0x70
[  453.852188]  ? __switch_to_asm+0x40/0x70
[  453.856248]  ? __switch_to_asm+0x34/0x70
[  453.860329]  bpf_clone_redirect+0xb9/0x490
[  453.864569]  ? __schedule+0x8d7/0x21d0
[  453.868466]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  453.873498]  ? __sched_text_start+0x8/0x8
[  453.877652]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  453.882429]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  453.887014]  ? retint_kernel+0x2d/0x2d
[  453.890907]  ? find_held_lock+0x36/0x1c0
[  453.894992]  ? lock_acquire+0x1ed/0x520
[  453.898970]  ? bpf_test_run+0x3cb/0x780
[  453.902956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  453.908498]  ? check_preemption_disabled+0x48/0x280
[  453.913531]  ? kasan_check_read+0x11/0x20
[  453.917685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  453.922969]  ? rcu_softirq_qs+0x20/0x20
[  453.926948]  ? preempt_schedule+0x4d/0x60
[  453.931103]  ? ___preempt_schedule+0x16/0x18
[  453.935522]  ? bpf_test_run+0x25d/0x780
[  453.939515]  ? netlink_diag_dump+0x2a0/0x2a0
[  453.943933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  453.949477]  ? bpf_test_init.isra.10+0x70/0x100
[  453.954153]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  453.958929]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.963773]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  453.969324]  ? fput+0x130/0x1a0
[  453.972612]  ? __bpf_prog_get+0x9b/0x290
[  453.976684]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  453.981528]  ? bpf_prog_test_run+0x130/0x1a0
[  453.985974]  ? __x64_sys_bpf+0x3d8/0x520
[  453.990036]  ? bpf_prog_get+0x20/0x20
[  453.993860]  ? do_syscall_64+0x1b9/0x820
[  453.997921]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  454.003290]  ? syscall_return_slowpath+0x5e0/0x5e0
[  454.008249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.013098]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.018116]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  454.023140]  ? prepare_exit_to_usermode+0x291/0x3b0
[  454.028165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.033021]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  454.038411] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  454.038501] aoe: skb alloc failure
[  454.045352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  454.045358] Call Trace:
[  454.045365]  <IRQ>
[  454.045385]  dump_stack+0x244/0x39d
[  454.045404]  ? dump_stack_print_info.cold.1+0x20/0x20
[  454.048968] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  454.058291]  warn_alloc.cold.116+0xb7/0x1bd
[  454.060844] syz-executor1 cpuset=syz1 mems_allowed=0
[  454.062992]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  454.096477]  ? lock_downgrade+0x900/0x900
[  454.100639]  ? trace_hardirqs_off+0xb8/0x310
[  454.105055]  ? trace_hardirqs_off+0xb8/0x310
[  454.109478]  __alloc_pages_slowpath+0x26e8/0x2e10
[  454.114359]  ? warn_alloc+0x120/0x120
[  454.118172]  ? warn_alloc+0x120/0x120
[  454.121984]  ? warn_alloc+0x120/0x120
[  454.125790]  ? print_usage_bug+0xc0/0xc0
[  454.129852]  ? mark_held_locks+0x130/0x130
[  454.134089]  ? kvm_clock_read+0x18/0x30
[  454.138067]  ? print_usage_bug+0xc0/0xc0
[  454.142141]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.147682]  ? should_fail+0x22d/0xd01
[  454.151578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.156689]  ? __lock_acquire+0x62f/0x4c20
[  454.160937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.166040]  ? __lock_acquire+0x62f/0x4c20
[  454.170274]  ? should_fail+0x22d/0xd01
[  454.174176]  ? mark_held_locks+0x130/0x130
[  454.178422]  ? mark_held_locks+0x130/0x130
[  454.182670]  ? zap_class+0x640/0x640
[  454.186385]  ? print_usage_bug+0xc0/0xc0
[  454.190448]  ? find_held_lock+0x36/0x1c0
[  454.194514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.200189]  ? check_preemption_disabled+0x48/0x280
[  454.205220]  ? __lock_is_held+0xb5/0x140
[  454.209291]  __alloc_pages_nodemask+0xa80/0xde0
[  454.213971]  ? zap_class+0x640/0x640
[  454.217692]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  454.222724]  ? find_held_lock+0x36/0x1c0
[  454.226798]  ? ____cache_alloc_node+0x1c7/0x1e0
[  454.231480]  ? lock_downgrade+0x900/0x900
[  454.235639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.241187]  cache_grow_begin+0xa5/0x8c0
[  454.245251]  ? do_raw_spin_unlock+0xa7/0x330
[  454.249674]  fallback_alloc+0x204/0x2e0
[  454.253681]  ____cache_alloc_node+0x1c7/0x1e0
[  454.258184]  kmem_cache_alloc_node+0xe3/0x730
[  454.262685]  ? ipv6_get_ifaddr+0x42e/0x620
[  454.266941]  __alloc_skb+0x119/0x770
[  454.270659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.275945]  ? netdev_alloc_frag+0x1f0/0x1f0
[  454.280361]  ? lock_downgrade+0x900/0x900
[  454.284520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.290063]  ? refcount_sub_and_test_checked+0x203/0x310
[  454.295522]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  454.300977]  ? addrconf_rs_timer+0x690/0x690
[  454.305400]  ndisc_alloc_skb+0x144/0x340
[  454.309468]  ndisc_send_rs+0x331/0x6e0
[  454.313366]  addrconf_rs_timer+0x314/0x690
[  454.317842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.322093]  call_timer_fn+0x272/0x920
[  454.325987]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.330228]  ? process_timeout+0x40/0x40
[  454.334303]  ? mark_held_locks+0xc7/0x130
[  454.338465]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.342966]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.347470]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.351712]  ? lockdep_hardirqs_on+0x296/0x5b0
[  454.356300]  ? trace_hardirqs_on+0xbd/0x310
[  454.360635]  ? kasan_check_read+0x11/0x20
[  454.364787]  ? __run_timers+0x7da/0xc70
[  454.368768]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.373886]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  454.378127]  __run_timers+0x7e5/0xc70
[  454.381948]  ? timer_fixup_init+0x70/0x70
[  454.386104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  454.391123]  ? zap_class+0x640/0x640
[  454.394846]  ? print_usage_bug+0xc0/0xc0
[  454.398909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  454.404113]  ? find_held_lock+0x36/0x1c0
[  454.408196]  ? zap_class+0x640/0x640
[  454.411921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.417470]  ? check_preemption_disabled+0x48/0x280
[  454.422501]  ? __lock_is_held+0xb5/0x140
[  454.426566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.432106]  ? check_preemption_disabled+0x48/0x280
[  454.437132]  run_timer_softirq+0x52/0xb0
[  454.441196]  ? rcu_read_lock_sched_held+0x14f/0x180
[  454.446216]  __do_softirq+0x308/0xb7e
[  454.450028]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  454.454527]  ? lock_downgrade+0x900/0x900
[  454.458685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  454.463798]  ? pvclock_read_flags+0x160/0x160
[  454.468299]  ? lapic_next_event+0x5a/0x90
[  454.472460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.478007]  ? kvm_clock_read+0x18/0x30
[  454.481983]  ? kvm_sched_clock_read+0x9/0x20
[  454.486403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.491950]  ? check_preemption_disabled+0x48/0x280
[  454.496978]  irq_exit+0x17f/0x1c0
[  454.500436]  smp_apic_timer_interrupt+0x1cb/0x760
[  454.505284]  ? smp_reschedule_interrupt+0x109/0x650
[  454.510319]  ? smp_call_function_single_interrupt+0x650/0x650
[  454.516208]  ? interrupt_entry+0xb5/0xc0
[  454.520275]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.525294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  454.530329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.535178]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.540197]  ? trace_hardirqs_on_caller+0x310/0x310
[  454.545215]  ? task_prio+0x50/0x50
[  454.548758]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.554387]  ? check_preemption_disabled+0x48/0x280
[  454.559414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  454.564268]  apic_timer_interrupt+0xf/0x20
[  454.568499]  </IRQ>
[  454.570742] RIP: 0010:console_unlock+0x102f/0x1190
[  454.575677] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  454.594584] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  454.602293] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  454.609568] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  454.616837] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  454.624103] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  454.631373] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  454.638658]  ? netconsole_netdev_event+0x280/0x280
[  454.643599]  ? console_unlock+0x1026/0x1190
[  454.647945]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  454.652617]  ? vprintk_emit+0x846/0x990
[  454.656600]  ? lock_release+0xa00/0xa00
[  454.660580]  ? trace_hardirqs_on+0x60/0x310
[  454.664935]  ? vprintk_default+0x28/0x30
[  454.669013]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.674122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.679668]  vprintk_emit+0x391/0x990
[  454.683476]  ? wake_up_klogd+0x180/0x180
[  454.687545]  ? find_held_lock+0x1/0x1c0
[  454.691534]  ? mark_held_locks+0xc7/0x130
[  454.695689]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.700189]  ? _raw_spin_unlock_irq+0x27/0x80
[  454.704695]  vprintk_default+0x28/0x30
[  454.708588]  vprintk_func+0x7e/0x181
[  454.712308]  printk+0xa7/0xcf
[  454.715432]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  454.720192]  ? _raw_spin_unlock_irq+0x60/0x80
[  454.724709]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  454.729997]  dump_header+0x7cc/0xf72
[  454.733726]  ? pagefault_out_of_memory+0x197/0x197
[  454.738668]  ? __lock_acquire+0x62f/0x4c20
[  454.742910]  ? percpu_ref_get_many+0x240/0x240
[  454.747506]  ? print_usage_bug+0xc0/0xc0
[  454.751574]  ? zap_class+0x640/0x640
[  454.755291]  ? print_usage_bug+0xc0/0xc0
[  454.759369]  ? zap_class+0x640/0x640
[  454.763091]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.768636]  ? find_held_lock+0x36/0x1c0
[  454.772710]  ? mark_held_locks+0xc7/0x130
[  454.776864]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.781969]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  454.787076]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  454.791666]  ? trace_hardirqs_on+0xbd/0x310
[  454.795994]  ? kasan_check_read+0x11/0x20
[  454.800144]  ? ___ratelimit+0x3b4/0x672
[  454.804121]  ? trace_hardirqs_off_caller+0x310/0x310
[  454.809226]  ? trace_hardirqs_on+0x310/0x310
[  454.813641]  ? lock_downgrade+0x900/0x900
[  454.817801]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  454.822907]  ? ___ratelimit+0x3b9/0x672
[  454.826895]  ? idr_get_free+0xf70/0xf70
[  454.830876]  ? find_held_lock+0x36/0x1c0
[  454.834957]  oom_kill_process.cold.27+0x10/0x903
[  454.839720]  ? zap_class+0x640/0x640
[  454.843442]  ? check_preemption_disabled+0x48/0x280
[  454.848465]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  454.853405]  ? kasan_check_read+0x11/0x20
[  454.857556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.862836]  ? oom_evaluate_task+0x540/0x540
[  454.867248]  ? find_held_lock+0x36/0x1c0
[  454.871329]  ? out_of_memory+0x974/0x1430
[  454.875487]  ? lock_downgrade+0x900/0x900
[  454.879639]  ? check_preemption_disabled+0x48/0x280
[  454.884661]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  454.889597]  ? kasan_check_read+0x11/0x20
[  454.893747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  454.899030]  ? rcu_softirq_qs+0x20/0x20
[  454.903035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.908585]  ? oom_evaluate_task+0x302/0x540
[  454.913001]  out_of_memory+0xa84/0x1430
[  454.916987]  ? oom_killer_disable+0x3a0/0x3a0
[  454.921487]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  454.926423]  ? __ww_mutex_check_waiters+0x160/0x160
[  454.931455]  __alloc_pages_slowpath+0x2354/0x2e10
[  454.936335]  ? warn_alloc+0x120/0x120
[  454.940142]  ? mark_held_locks+0x130/0x130
[  454.944387]  ? find_get_entry+0xaae/0x1120
[  454.948634]  ? filemap_map_pages+0x1a20/0x1a20
[  454.953226]  ? zap_class+0x640/0x640
[  454.956953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  454.962497]  ? check_preemption_disabled+0x48/0x280
[  454.967515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  454.973059]  ? should_fail+0x22d/0xd01
[  454.976957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  454.982068]  ? zap_class+0x640/0x640
[  454.985814]  ? __lock_is_held+0xb5/0x140
[  454.989887]  ? mark_held_locks+0x130/0x130
[  454.994131]  ? lock_release+0xa00/0xa00
[  454.998108]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.003568]  ? xa_load+0x2ba/0x460
[  455.007117]  ? lock_downgrade+0x900/0x900
[  455.011273]  ? __might_sleep+0x95/0x190
[  455.015257]  __alloc_pages_nodemask+0xa80/0xde0
[  455.019940]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  455.024961]  ? __page_cache_alloc+0x191/0x5c0
[  455.029460]  ? xa_load+0x2e1/0x460
[  455.033008]  ? xa_clear_mark+0x40/0x40
[  455.036901]  ? zap_class+0x640/0x640
[  455.040623]  ? zap_class+0x640/0x640
[  455.044353]  ? zap_class+0x640/0x640
[  455.048072]  ? zap_class+0x640/0x640
[  455.051794]  ? __do_page_cache_readahead+0x663/0x810
[  455.056905]  ? find_held_lock+0x36/0x1c0
[  455.060992]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  455.066543]  alloc_pages_current+0x173/0x350
[  455.070970]  __page_cache_alloc+0x38c/0x5c0
[  455.075302]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.080244]  ? kasan_check_read+0x11/0x20
[  455.084395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.089680]  ? generic_perform_write+0x6a0/0x6a0
[  455.094447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.099994]  ? check_preemption_disabled+0x48/0x280
[  455.105026]  filemap_fault+0x1595/0x25f0
[  455.109103]  ? __lock_page_or_retry+0xa00/0xa00
[  455.113788]  ? mark_held_locks+0x130/0x130
[  455.118036]  ? filemap_map_pages+0xd6b/0x1a20
[  455.122536]  ? lock_downgrade+0x900/0x900
[  455.126687]  ? check_preemption_disabled+0x48/0x280
[  455.131711]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.136643]  ? kasan_check_read+0x11/0x20
[  455.140796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.146077]  ? rcu_softirq_qs+0x20/0x20
[  455.150075]  ? filemap_map_pages+0xd92/0x1a20
[  455.154581]  ? queue_work_on+0x12c/0x1e0
[  455.158652]  ? find_get_entries_tag+0x1400/0x1400
[  455.163504]  ? debug_object_destroy+0x2b0/0x2b0
[  455.168182]  ? lock_pi_update_atomic+0x150/0x150
[  455.172944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.178501]  ? lock_acquire+0x1ed/0x520
[  455.182478]  ? ext4_filemap_fault+0x7a/0xad
[  455.186815]  ? lock_release+0xa00/0xa00
[  455.190791]  ? perf_trace_sched_process_exec+0x860/0x860
[  455.196244]  ? print_usage_bug+0xc0/0xc0
[  455.200320]  ? print_usage_bug+0xc0/0xc0
[  455.204402]  ? down_read+0x8d/0x120
[  455.208029]  ? ext4_filemap_fault+0x7a/0xad
[  455.212358]  ? __down_interruptible+0x700/0x700
[  455.217043]  ext4_filemap_fault+0x82/0xad
[  455.221197]  __do_fault+0x100/0x6b0
[  455.224825]  ? find_held_lock+0x36/0x1c0
[  455.228895]  ? pmd_devmap_trans_unstable+0x220/0x220
[  455.234011]  ? mark_held_locks+0x130/0x130
[  455.238250]  ? mark_held_locks+0x130/0x130
[  455.242490]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.246989]  ? _raw_spin_unlock_irq+0x27/0x80
[  455.251489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  455.256080]  ? kasan_check_read+0x11/0x20
[  455.260232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.265780]  __handle_mm_fault+0x3ea0/0x5be0
[  455.270205]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  455.275054]  ? finish_task_switch+0x1f4/0x910
[  455.279555]  ? finish_task_switch+0x1b4/0x910
[  455.284053]  ? __switch_to_asm+0x34/0x70
[  455.288119]  ? preempt_notifier_register+0x200/0x200
[  455.293219]  ? __switch_to_asm+0x34/0x70
[  455.297283]  ? __switch_to_asm+0x34/0x70
[  455.301376]  ? zap_class+0x640/0x640
[  455.305092]  ? zap_class+0x640/0x640
[  455.308812]  ? __x64_sys_futex+0x53e/0x6a0
[  455.313055]  ? find_held_lock+0x36/0x1c0
[  455.317128]  ? handle_mm_fault+0x42a/0xc70
[  455.321369]  ? lock_downgrade+0x900/0x900
[  455.325526]  ? check_preemption_disabled+0x48/0x280
[  455.331035]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  455.335970]  ? kasan_check_read+0x11/0x20
[  455.340119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  455.345398]  ? rcu_softirq_qs+0x20/0x20
[  455.349407]  ? trace_hardirqs_off_caller+0x310/0x310
[  455.354516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.360058]  ? check_preemption_disabled+0x48/0x280
[  455.365085]  handle_mm_fault+0x54f/0xc70
[  455.369157]  ? __handle_mm_fault+0x5be0/0x5be0
[  455.373749]  ? find_vma+0x34/0x190
[  455.377305]  __do_page_fault+0x5e8/0xe60
[  455.381380]  ? trace_hardirqs_off+0xb8/0x310
[  455.385805]  do_page_fault+0xf2/0x7e0
[  455.389610]  ? vmalloc_sync_all+0x30/0x30
[  455.393762]  ? error_entry+0x70/0xd0
[  455.397499]  ? trace_hardirqs_off_caller+0xbb/0x310
[  455.402519]  ? trace_hardirqs_on_caller+0xc0/0x310
[  455.407456]  ? syscall_return_slowpath+0x5e0/0x5e0
[  455.412390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.417237]  ? trace_hardirqs_on_caller+0x310/0x310
[  455.422255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  455.427712]  ? prepare_exit_to_usermode+0x291/0x3b0
[  455.432733]  ? page_fault+0x8/0x30
[  455.436277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  455.441134]  ? page_fault+0x8/0x30
[  455.444679]  page_fault+0x1e/0x30
[  455.448135] RIP: 0033:0x45ddf3
[  455.451352] Code: Bad RIP value.
[  455.454720] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  455.460085] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  455.467355] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  455.474622] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  455.481889] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  455.489162] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  455.496459] warn_alloc_show_mem: 1 callbacks suppressed
[  455.496472] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  455.496474] Mem-Info:
[  455.496506] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  455.496506]  active_file:15 inactive_file:15 isolated_file:0
[  455.496506]  unevictable:0 dirty:0 writeback:0 unstable:0
[  455.496506]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  455.496506]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  455.496506]  free:13750 free_pcp:296 free_cma:0
[  455.501850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  455.509133] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  455.511531] Call Trace:
[  455.544590] 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
[  455.553944]  <IRQ>
[  455.581442] lowmem_reserve[]: 0 2818 6321 6321
[  455.584042]  dump_stack+0x244/0x39d
[  455.610132] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  455.612297]  ? dump_stack_print_info.cold.1+0x20/0x20
[  455.616839] lowmem_reserve[]: 0 0 3503 3503
[  455.620490]  warn_alloc.cold.116+0xb7/0x1bd
[  455.647970] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  455.653170]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  455.657462] lowmem_reserve[]: 0 0 0 0
[  455.661792]  ? lock_downgrade+0x900/0x900
[  455.690753] 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
[  455.695612]  ? trace_hardirqs_off+0xb8/0x310
[  455.699376] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  455.703543]  ? trace_hardirqs_off+0xb8/0x310
[  455.717040] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  455.721457]  __alloc_pages_slowpath+0x26e8/0x2e10
[  455.736968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  455.741429]  ? warn_alloc+0x120/0x120
[  455.755511] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  455.760348]  ? warn_alloc+0x120/0x120
[  455.769158] 2335 total pagecache pages
[  455.772955]  ? __lock_acquire+0x62f/0x4c20
[  455.781519] 0 pages in swap cache
[  455.785305]  ? warn_alloc+0x120/0x120
[  455.789203] Swap cache stats: add 0, delete 0, find 0/0
[  455.793435]  ? print_usage_bug+0xc0/0xc0
[  455.796861] Free swap  = 0kB
[  455.800654]  ? print_usage_bug+0xc0/0xc0
[  455.805992] Total swap = 0kB
[  455.810046]  ? mark_held_locks+0x130/0x130
[  455.813040] 1965979 pages RAM
[  455.817101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  455.820096] 0 pages HighMem/MovableOnly
[  455.824333]  ? should_fail+0x22d/0xd01
[  455.827412] 342853 pages reserved
[  455.832950]  ? zap_class+0x640/0x640
[  455.836894] 0 pages cma reserved
[  455.836988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  455.840788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.844311] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  455.847972]  ? __lock_acquire+0x62f/0x4c20
[  455.851326] syz-fuzzer cpuset=/ mems_allowed=0
[  455.857813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  455.887017]  ? should_fail+0x22d/0xd01
[  455.890918]  ? mark_held_locks+0x130/0x130
[  455.895161]  ? mark_held_locks+0x130/0x130
[  455.899402]  ? lock_downgrade+0x900/0x900
[  455.903556]  ? zap_class+0x640/0x640
[  455.907270]  ? zap_class+0x640/0x640
[  455.910985]  ? zap_class+0x640/0x640
[  455.914718]  ? do_raw_spin_unlock+0xa7/0x330
[  455.919132]  ? trace_hardirqs_on+0x310/0x310
[  455.923542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.929084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.934629]  ? check_preemption_disabled+0x48/0x280
[  455.939657]  ? __lock_is_held+0xb5/0x140
[  455.943746]  __alloc_pages_nodemask+0xa80/0xde0
[  455.948421]  ? zap_class+0x640/0x640
[  455.952146]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  455.957175]  ? find_held_lock+0x36/0x1c0
[  455.961249]  ? ____cache_alloc_node+0x1c7/0x1e0
[  455.965920]  ? lock_downgrade+0x900/0x900
[  455.970077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  455.975634]  cache_grow_begin+0xa5/0x8c0
[  455.979754]  ? do_raw_spin_unlock+0xa7/0x330
[  455.984172]  fallback_alloc+0x204/0x2e0
[  455.988155]  ____cache_alloc_node+0x1c7/0x1e0
[  455.992659]  kmem_cache_alloc_node+0xe3/0x730
[  455.997163]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.001765]  __alloc_skb+0x119/0x770
[  456.005484]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  456.010859]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.015279]  ? vprintk_default+0x28/0x30
[  456.019349]  ? vprintk_func+0x85/0x181
[  456.023248]  ? printk+0xa7/0xcf
[  456.026529]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  456.031291]  ? do_raw_spin_trylock+0x270/0x270
[  456.035898]  new_skb+0x26/0x1c0
[  456.039184]  aoecmd_cfg+0x279/0x7f0
[  456.042816]  ? find_held_lock+0x36/0x1c0
[  456.046893]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  456.051226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.056777]  ? __lock_is_held+0xb5/0x140
[  456.060870]  discover_timer+0x50/0x60
[  456.064673]  call_timer_fn+0x272/0x920
[  456.068563]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.073406]  ? process_timeout+0x40/0x40
[  456.077484]  ? __run_timers+0x7da/0xc70
[  456.081464]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.085960]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.090460]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.095304]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.099903]  ? trace_hardirqs_on+0xbd/0x310
[  456.104228]  ? kasan_check_read+0x11/0x20
[  456.108382]  ? __run_timers+0x7da/0xc70
[  456.112370]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.117497]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  456.122352]  __run_timers+0x7e5/0xc70
[  456.126170]  ? timer_fixup_init+0x70/0x70
[  456.130330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  456.135353]  ? zap_class+0x640/0x640
[  456.139075]  ? enqueue_hrtimer+0x1a5/0x560
[  456.143311]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  456.148526]  ? find_held_lock+0x36/0x1c0
[  456.152600]  ? zap_class+0x640/0x640
[  456.156333]  ? pvclock_read_flags+0x160/0x160
[  456.160842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.166389]  ? check_preemption_disabled+0x48/0x280
[  456.171432]  ? __lock_is_held+0xb5/0x140
[  456.175497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.181036]  ? check_preemption_disabled+0x48/0x280
[  456.186058]  run_timer_softirq+0x52/0xb0
[  456.190123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  456.195145]  __do_softirq+0x308/0xb7e
[  456.199355]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  456.203855]  ? lock_downgrade+0x900/0x900
[  456.208014]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  456.213127]  ? pvclock_read_flags+0x160/0x160
[  456.217628]  ? lapic_next_event+0x5a/0x90
[  456.221785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.227338]  ? kvm_clock_read+0x18/0x30
[  456.231327]  ? kvm_sched_clock_read+0x9/0x20
[  456.235740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.241294]  ? check_preemption_disabled+0x48/0x280
[  456.246339]  irq_exit+0x17f/0x1c0
[  456.249803]  smp_apic_timer_interrupt+0x1cb/0x760
[  456.254655]  ? smp_reschedule_interrupt+0x109/0x650
[  456.259673]  ? smp_call_function_single_interrupt+0x650/0x650
[  456.265566]  ? interrupt_entry+0xb5/0xc0
[  456.269630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.274650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  456.279671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.284516]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.289536]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.294554]  ? task_prio+0x50/0x50
[  456.298097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.303644]  ? check_preemption_disabled+0x48/0x280
[  456.308674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.313527]  apic_timer_interrupt+0xf/0x20
[  456.317759]  </IRQ>
[  456.320005] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  456.324940] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  456.343864] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  456.351588] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  456.358854] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  456.366123] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  456.373390] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  456.380663] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  456.387994]  skb_clone+0x1bb/0x500
[  456.391539]  ? finish_task_switch+0x2f4/0x910
[  456.396038]  ? skb_split+0x11e0/0x11e0
[  456.399933]  ? preempt_notifier_register+0x200/0x200
[  456.405042]  ? __switch_to_asm+0x34/0x70
[  456.409102]  ? __switch_to_asm+0x34/0x70
[  456.413163]  ? __switch_to_asm+0x40/0x70
[  456.417222]  ? __switch_to_asm+0x34/0x70
[  456.421286]  ? __switch_to_asm+0x40/0x70
[  456.425355]  ? __switch_to_asm+0x34/0x70
[  456.429420]  ? __switch_to_asm+0x40/0x70
[  456.433485]  ? __switch_to_asm+0x34/0x70
[  456.437550]  ? __switch_to_asm+0x34/0x70
[  456.441610]  ? __switch_to_asm+0x40/0x70
[  456.445671]  ? __switch_to_asm+0x34/0x70
[  456.449742]  bpf_clone_redirect+0xb9/0x490
[  456.453980]  ? __schedule+0x8d7/0x21d0
[  456.457881]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  456.462905]  ? __sched_text_start+0x8/0x8
[  456.467151]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  456.471913]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  456.476501]  ? retint_kernel+0x2d/0x2d
[  456.480398]  ? find_held_lock+0x36/0x1c0
[  456.484473]  ? lock_acquire+0x1ed/0x520
[  456.488454]  ? bpf_test_run+0x3cb/0x780
[  456.492438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.497984]  ? check_preemption_disabled+0x48/0x280
[  456.503011]  ? kasan_check_read+0x11/0x20
[  456.507176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.512460]  ? rcu_softirq_qs+0x20/0x20
[  456.516441]  ? preempt_schedule+0x4d/0x60
[  456.520593]  ? ___preempt_schedule+0x16/0x18
[  456.525024]  ? bpf_test_run+0x25d/0x780
[  456.529011]  ? netlink_diag_dump+0x2a0/0x2a0
[  456.533431]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.538970]  ? bpf_test_init.isra.10+0x70/0x100
[  456.543648]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  456.548421]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  456.553267]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  456.558805]  ? fput+0x130/0x1a0
[  456.562087]  ? __bpf_prog_get+0x9b/0x290
[  456.566155]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  456.571000]  ? bpf_prog_test_run+0x130/0x1a0
[  456.575421]  ? __x64_sys_bpf+0x3d8/0x520
[  456.579490]  ? bpf_prog_get+0x20/0x20
[  456.583321]  ? do_syscall_64+0x1b9/0x820
[  456.587387]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  456.592760]  ? syscall_return_slowpath+0x5e0/0x5e0
[  456.597689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.602542]  ? trace_hardirqs_on_caller+0x310/0x310
[  456.607577]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  456.612597]  ? prepare_exit_to_usermode+0x291/0x3b0
[  456.617620]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  456.622481]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  456.627866] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  456.627951] aoe: skb alloc failure
[  456.634806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  456.634815] Call Trace:
[  456.638421] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  456.647693]  <IRQ>
[  456.650265] syz-executor1 cpuset=syz1 mems_allowed=0
[  456.660752]  dump_stack+0x244/0x39d
[  456.671589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  456.676794]  warn_alloc.cold.116+0xb7/0x1bd
[  456.681120]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  456.685975]  ? lock_downgrade+0x900/0x900
[  456.690159]  ? trace_hardirqs_off+0xb8/0x310
[  456.694671]  ? trace_hardirqs_off+0xb8/0x310
[  456.699093]  __alloc_pages_slowpath+0x26e8/0x2e10
[  456.703999]  ? warn_alloc+0x120/0x120
[  456.707814]  ? print_usage_bug+0xc0/0xc0
[  456.711879]  ? warn_alloc+0x120/0x120
[  456.715687]  ? warn_alloc+0x120/0x120
[  456.719491]  ? print_usage_bug+0xc0/0xc0
[  456.723563]  ? print_usage_bug+0xc0/0xc0
[  456.727660]  ? __lock_acquire+0x62f/0x4c20
[  456.731909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  456.737458]  ? should_fail+0x22d/0xd01
[  456.741352]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.746457]  ? __lock_acquire+0x62f/0x4c20
[  456.750698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  456.755805]  ? __lock_acquire+0x62f/0x4c20
[  456.760039]  ? should_fail+0x22d/0xd01
[  456.763933]  ? find_held_lock+0x36/0x1c0
[  456.768014]  ? mark_held_locks+0x130/0x130
[  456.772257]  ? mark_held_locks+0x130/0x130
[  456.776491]  ? zap_class+0x640/0x640
[  456.780211]  ? zap_class+0x640/0x640
[  456.783935]  ? print_usage_bug+0xc0/0xc0
[  456.788000]  ? do_raw_spin_unlock+0xa7/0x330
[  456.792417]  ? zap_class+0x640/0x640
[  456.796134]  ? print_usage_bug+0xc0/0xc0
[  456.800195]  ? wq_watchdog_touch+0x9c/0xfe
[  456.804469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.810018]  ? check_preemption_disabled+0x48/0x280
[  456.815051]  ? __lock_is_held+0xb5/0x140
[  456.819121]  __alloc_pages_nodemask+0xa80/0xde0
[  456.823793]  ? zap_class+0x640/0x640
[  456.827515]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  456.832544]  ? find_held_lock+0x36/0x1c0
[  456.836625]  ? ____cache_alloc_node+0x1c7/0x1e0
[  456.841302]  ? lock_downgrade+0x900/0x900
[  456.845471]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.851017]  cache_grow_begin+0xa5/0x8c0
[  456.855094]  ? do_raw_spin_unlock+0xa7/0x330
[  456.859514]  fallback_alloc+0x204/0x2e0
[  456.863498]  ____cache_alloc_node+0x1c7/0x1e0
[  456.868034]  kmem_cache_alloc_node+0xe3/0x730
[  456.872535]  ? ipv6_get_ifaddr+0x42e/0x620
[  456.876783]  __alloc_skb+0x119/0x770
[  456.880521]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  456.885807]  ? netdev_alloc_frag+0x1f0/0x1f0
[  456.890218]  ? lock_downgrade+0x900/0x900
[  456.894390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  456.899945]  ? refcount_sub_and_test_checked+0x203/0x310
[  456.905420]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  456.910879]  ? addrconf_rs_timer+0x690/0x690
[  456.915310]  ndisc_alloc_skb+0x144/0x340
[  456.919390]  ndisc_send_rs+0x331/0x6e0
[  456.923286]  addrconf_rs_timer+0x314/0x690
[  456.927535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.931781]  call_timer_fn+0x272/0x920
[  456.935683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.939930]  ? process_timeout+0x40/0x40
[  456.944005]  ? mark_held_locks+0xc7/0x130
[  456.948156]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.952653]  ? _raw_spin_unlock_irq+0x27/0x80
[  456.957146]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.961381]  ? lockdep_hardirqs_on+0x296/0x5b0
[  456.966008]  ? trace_hardirqs_on+0xbd/0x310
[  456.970346]  ? kasan_check_read+0x11/0x20
[  456.974499]  ? __run_timers+0x7da/0xc70
[  456.978478]  ? trace_hardirqs_off_caller+0x310/0x310
[  456.983586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.987834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  456.992081]  __run_timers+0x7e5/0xc70
[  456.995893]  ? timer_fixup_init+0x70/0x70
[  457.000052]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  457.005073]  ? zap_class+0x640/0x640
[  457.008800]  ? print_usage_bug+0xc0/0xc0
[  457.012868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  457.018069]  ? find_held_lock+0x36/0x1c0
[  457.022141]  ? zap_class+0x640/0x640
[  457.025865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.031412]  ? check_preemption_disabled+0x48/0x280
[  457.036445]  ? __lock_is_held+0xb5/0x140
[  457.040511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.046051]  ? check_preemption_disabled+0x48/0x280
[  457.051074]  run_timer_softirq+0x52/0xb0
[  457.055138]  ? rcu_read_lock_sched_held+0x14f/0x180
[  457.060164]  __do_softirq+0x308/0xb7e
[  457.063992]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  457.068486]  ? lock_downgrade+0x900/0x900
[  457.072656]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  457.077777]  ? pvclock_read_flags+0x160/0x160
[  457.082275]  ? lapic_next_event+0x5a/0x90
[  457.086428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.091986]  ? kvm_clock_read+0x18/0x30
[  457.095966]  ? kvm_sched_clock_read+0x9/0x20
[  457.100382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.105931]  ? check_preemption_disabled+0x48/0x280
[  457.110963]  irq_exit+0x17f/0x1c0
[  457.114421]  smp_apic_timer_interrupt+0x1cb/0x760
[  457.119267]  ? smp_reschedule_interrupt+0x109/0x650
[  457.124290]  ? smp_call_function_single_interrupt+0x650/0x650
[  457.130187]  ? interrupt_entry+0xb5/0xc0
[  457.134254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.139270]  ? trace_hardirqs_off_caller+0xbb/0x310
[  457.144291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.149144]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.154167]  ? trace_hardirqs_on_caller+0x310/0x310
[  457.159191]  ? task_prio+0x50/0x50
[  457.162737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.168280]  ? check_preemption_disabled+0x48/0x280
[  457.173326]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  457.178184]  apic_timer_interrupt+0xf/0x20
[  457.182427]  </IRQ>
[  457.184672] RIP: 0010:console_unlock+0x102f/0x1190
[  457.189606] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  457.208505] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  457.216219] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  457.223500] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  457.230769] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  457.238037] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  457.245308] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  457.252600]  ? netconsole_netdev_event+0x280/0x280
[  457.257541]  ? console_unlock+0x1026/0x1190
[  457.261971]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  457.266726]  ? vprintk_emit+0x846/0x990
[  457.270714]  ? lock_release+0xa00/0xa00
[  457.274692]  ? trace_hardirqs_on+0x60/0x310
[  457.279019]  ? vprintk_default+0x28/0x30
[  457.283092]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.288200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.293746]  vprintk_emit+0x391/0x990
[  457.297553]  ? wake_up_klogd+0x180/0x180
[  457.301637]  ? find_held_lock+0x1/0x1c0
[  457.305623]  ? mark_held_locks+0xc7/0x130
[  457.309779]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.314275]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.318792]  vprintk_default+0x28/0x30
[  457.322701]  vprintk_func+0x7e/0x181
[  457.326419]  printk+0xa7/0xcf
[  457.329972]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  457.334735]  ? _raw_spin_unlock_irq+0x60/0x80
[  457.339248]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  457.344555]  dump_header+0x7cc/0xf72
[  457.348284]  ? pagefault_out_of_memory+0x197/0x197
[  457.353243]  ? __lock_acquire+0x62f/0x4c20
[  457.357484]  ? percpu_ref_get_many+0x240/0x240
[  457.362069]  ? print_usage_bug+0xc0/0xc0
[  457.366137]  ? zap_class+0x640/0x640
[  457.369855]  ? print_usage_bug+0xc0/0xc0
[  457.373926]  ? zap_class+0x640/0x640
[  457.377673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.383221]  ? find_held_lock+0x36/0x1c0
[  457.387328]  ? mark_held_locks+0xc7/0x130
[  457.391497]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.396604]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  457.401726]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.406319]  ? trace_hardirqs_on+0xbd/0x310
[  457.410646]  ? kasan_check_read+0x11/0x20
[  457.414795]  ? ___ratelimit+0x3b4/0x672
[  457.418790]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.423895]  ? trace_hardirqs_on+0x310/0x310
[  457.428320]  ? lock_downgrade+0x900/0x900
[  457.432529]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  457.437641]  ? ___ratelimit+0x3b9/0x672
[  457.441626]  ? idr_get_free+0xf70/0xf70
[  457.445630]  ? find_held_lock+0x36/0x1c0
[  457.449708]  oom_kill_process.cold.27+0x10/0x903
[  457.454471]  ? zap_class+0x640/0x640
[  457.458192]  ? check_preemption_disabled+0x48/0x280
[  457.463213]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.468148]  ? kasan_check_read+0x11/0x20
[  457.472299]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.477593]  ? oom_evaluate_task+0x540/0x540
[  457.482012]  ? find_held_lock+0x36/0x1c0
[  457.486083]  ? out_of_memory+0x974/0x1430
[  457.490245]  ? lock_downgrade+0x900/0x900
[  457.494403]  ? check_preemption_disabled+0x48/0x280
[  457.499430]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.504364]  ? kasan_check_read+0x11/0x20
[  457.508517]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.513816]  ? rcu_softirq_qs+0x20/0x20
[  457.517805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.523354]  ? oom_evaluate_task+0x302/0x540
[  457.527770]  out_of_memory+0xa84/0x1430
[  457.531755]  ? oom_killer_disable+0x3a0/0x3a0
[  457.536271]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  457.541210]  ? __ww_mutex_check_waiters+0x160/0x160
[  457.546245]  __alloc_pages_slowpath+0x2354/0x2e10
[  457.551116]  ? warn_alloc+0x120/0x120
[  457.554928]  ? mark_held_locks+0x130/0x130
[  457.559204]  ? find_get_entry+0xaae/0x1120
[  457.563454]  ? filemap_map_pages+0x1a20/0x1a20
[  457.568046]  ? zap_class+0x640/0x640
[  457.571785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.577337]  ? check_preemption_disabled+0x48/0x280
[  457.582362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.587904]  ? should_fail+0x22d/0xd01
[  457.591805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  457.596911]  ? zap_class+0x640/0x640
[  457.600656]  ? __lock_is_held+0xb5/0x140
[  457.604727]  ? mark_held_locks+0x130/0x130
[  457.608965]  ? lock_release+0xa00/0xa00
[  457.612947]  ? perf_trace_sched_process_exec+0x860/0x860
[  457.618426]  ? xa_load+0x2ba/0x460
[  457.621992]  ? lock_downgrade+0x900/0x900
[  457.626163]  ? __might_sleep+0x95/0x190
[  457.630148]  __alloc_pages_nodemask+0xa80/0xde0
[  457.634836]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  457.639855]  ? __page_cache_alloc+0x191/0x5c0
[  457.644355]  ? xa_load+0x2e1/0x460
[  457.647901]  ? xa_clear_mark+0x40/0x40
[  457.651791]  ? zap_class+0x640/0x640
[  457.655511]  ? zap_class+0x640/0x640
[  457.659241]  ? zap_class+0x640/0x640
[  457.662959]  ? zap_class+0x640/0x640
[  457.666679]  ? __do_page_cache_readahead+0x663/0x810
[  457.671791]  ? find_held_lock+0x36/0x1c0
[  457.675861]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  457.681407]  alloc_pages_current+0x173/0x350
[  457.685846]  __page_cache_alloc+0x38c/0x5c0
[  457.690190]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.695123]  ? kasan_check_read+0x11/0x20
[  457.699270]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.704555]  ? generic_perform_write+0x6a0/0x6a0
[  457.709325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.714868]  ? check_preemption_disabled+0x48/0x280
[  457.719895]  filemap_fault+0x1595/0x25f0
[  457.723977]  ? __lock_page_or_retry+0xa00/0xa00
[  457.728655]  ? mark_held_locks+0x130/0x130
[  457.732923]  ? filemap_map_pages+0xd6b/0x1a20
[  457.737426]  ? lock_downgrade+0x900/0x900
[  457.741584]  ? check_preemption_disabled+0x48/0x280
[  457.746606]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.751538]  ? kasan_check_read+0x11/0x20
[  457.755685]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.760973]  ? rcu_softirq_qs+0x20/0x20
[  457.764979]  ? filemap_map_pages+0xd92/0x1a20
[  457.769484]  ? queue_work_on+0x12c/0x1e0
[  457.773555]  ? find_get_entries_tag+0x1400/0x1400
[  457.778407]  ? debug_object_destroy+0x2b0/0x2b0
[  457.783083]  ? lock_pi_update_atomic+0x150/0x150
[  457.787851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  457.793407]  ? lock_acquire+0x1ed/0x520
[  457.797385]  ? ext4_filemap_fault+0x7a/0xad
[  457.801728]  ? lock_release+0xa00/0xa00
[  457.805704]  ? perf_trace_sched_process_exec+0x860/0x860
[  457.811160]  ? print_usage_bug+0xc0/0xc0
[  457.815226]  ? print_usage_bug+0xc0/0xc0
[  457.819303]  ? down_read+0x8d/0x120
[  457.822953]  ? ext4_filemap_fault+0x7a/0xad
[  457.827276]  ? __down_interruptible+0x700/0x700
[  457.831973]  ext4_filemap_fault+0x82/0xad
[  457.836149]  __do_fault+0x100/0x6b0
[  457.839775]  ? find_held_lock+0x36/0x1c0
[  457.843840]  ? pmd_devmap_trans_unstable+0x220/0x220
[  457.848967]  ? mark_held_locks+0x130/0x130
[  457.853205]  ? mark_held_locks+0x130/0x130
[  457.857707]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.862203]  ? _raw_spin_unlock_irq+0x27/0x80
[  457.866708]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  457.871301]  ? kasan_check_read+0x11/0x20
[  457.875465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.881010]  __handle_mm_fault+0x3ea0/0x5be0
[  457.885433]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  457.890286]  ? finish_task_switch+0x1f4/0x910
[  457.894802]  ? finish_task_switch+0x1b4/0x910
[  457.899296]  ? __switch_to_asm+0x34/0x70
[  457.903373]  ? preempt_notifier_register+0x200/0x200
[  457.908475]  ? __switch_to_asm+0x34/0x70
[  457.912544]  ? __switch_to_asm+0x34/0x70
[  457.916624]  ? zap_class+0x640/0x640
[  457.920347]  ? zap_class+0x640/0x640
[  457.924079]  ? __x64_sys_futex+0x53e/0x6a0
[  457.928327]  ? find_held_lock+0x36/0x1c0
[  457.932440]  ? handle_mm_fault+0x42a/0xc70
[  457.936679]  ? lock_downgrade+0x900/0x900
[  457.940832]  ? check_preemption_disabled+0x48/0x280
[  457.945853]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  457.950785]  ? kasan_check_read+0x11/0x20
[  457.954953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  457.960230]  ? rcu_softirq_qs+0x20/0x20
[  457.964222]  ? trace_hardirqs_off_caller+0x310/0x310
[  457.969345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  457.974928]  ? check_preemption_disabled+0x48/0x280
[  457.979968]  handle_mm_fault+0x54f/0xc70
[  457.984041]  ? __handle_mm_fault+0x5be0/0x5be0
[  457.988630]  ? find_vma+0x34/0x190
[  457.992185]  __do_page_fault+0x5e8/0xe60
[  457.996250]  ? trace_hardirqs_off+0xb8/0x310
[  458.000670]  do_page_fault+0xf2/0x7e0
[  458.004476]  ? vmalloc_sync_all+0x30/0x30
[  458.008629]  ? error_entry+0x70/0xd0
[  458.012356]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.017389]  ? trace_hardirqs_on_caller+0xc0/0x310
[  458.022330]  ? syscall_return_slowpath+0x5e0/0x5e0
[  458.027297]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.032163]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.037185]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  458.042649]  ? prepare_exit_to_usermode+0x291/0x3b0
[  458.047668]  ? page_fault+0x8/0x30
[  458.051222]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.056075]  ? page_fault+0x8/0x30
[  458.059620]  page_fault+0x1e/0x30
[  458.063076] RIP: 0033:0x45ddf3
[  458.066283] Code: Bad RIP value.
[  458.069663] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  458.075027] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  458.082348] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  458.089617] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  458.096885] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  458.104157] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  458.111448] warn_alloc_show_mem: 1 callbacks suppressed
[  458.111460] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  458.111462] Mem-Info:
[  458.111494] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  458.111494]  active_file:15 inactive_file:15 isolated_file:0
[  458.111494]  unevictable:0 dirty:0 writeback:0 unstable:0
[  458.111494]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  458.111494]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  458.111494]  free:13750 free_pcp:296 free_cma:0
[  458.116857] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  458.124140] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  458.126555] Call Trace:
[  458.159601] 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
[  458.168960]  <IRQ>
[  458.196435] lowmem_reserve[]: 0 2818 6321 6321
[  458.199434]  dump_stack+0x244/0x39d
[  458.225516] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  458.227672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  458.232219] lowmem_reserve[]: 0 0 3503 3503
[  458.235863]  warn_alloc.cold.116+0xb7/0x1bd
[  458.263337] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  458.268543]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  458.273012] lowmem_reserve[]: 0 0 0 0
[  458.277347]  ? lock_downgrade+0x900/0x900
[  458.306297] 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
[  458.311183]  ? trace_hardirqs_off+0xb8/0x310
[  458.314955] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  458.319104]  ? trace_hardirqs_off+0xb8/0x310
[  458.332620] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  458.337046]  __alloc_pages_slowpath+0x26e8/0x2e10
[  458.352543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  458.356969]  ? warn_alloc+0x120/0x120
[  458.371057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  458.375900]  ? warn_alloc+0x120/0x120
[  458.384711] 2335 total pagecache pages
[  458.388511]  ? warn_alloc+0x120/0x120
[  458.397073] 0 pages in swap cache
[  458.400861]  ? print_usage_bug+0xc0/0xc0
[  458.404726] Swap cache stats: add 0, delete 0, find 0/0
[  458.408518]  ? print_usage_bug+0xc0/0xc0
[  458.411950] Free swap  = 0kB
[  458.416004]  ? ktime_get+0x2c1/0x400
[  458.421359] Total swap = 0kB
[  458.425429]  ? check_preemption_disabled+0x48/0x280
[  458.428415] 1965979 pages RAM
[  458.432125]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  458.435117] 0 pages HighMem/MovableOnly
[  458.440130]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.443219] 342853 pages reserved
[  458.447719]  ? should_fail+0x22d/0xd01
[  458.451670] 0 pages cma reserved
[  458.457218]  ? kasan_check_read+0x11/0x20
[  458.460723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  458.464529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.467979] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  458.472073]  ? __lock_acquire+0x62f/0x4c20
[  458.478554] syz-fuzzer cpuset=/ mems_allowed=0
[  458.483654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  458.507772]  ? should_fail+0x22d/0xd01
[  458.511666]  ? print_usage_bug+0xc0/0xc0
[  458.515738]  ? mark_held_locks+0x130/0x130
[  458.519980]  ? mark_held_locks+0x130/0x130
[  458.524226]  ? check_preemption_disabled+0x48/0x280
[  458.529258]  ? zap_class+0x640/0x640
[  458.532997]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  458.537760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.543311]  ? check_preemption_disabled+0x48/0x280
[  458.548375]  ? __lock_is_held+0xb5/0x140
[  458.552461]  __alloc_pages_nodemask+0xa80/0xde0
[  458.557133]  ? zap_class+0x640/0x640
[  458.560853]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  458.565889]  ? find_held_lock+0x36/0x1c0
[  458.569963]  ? ____cache_alloc_node+0x1c7/0x1e0
[  458.574662]  ? lock_downgrade+0x900/0x900
[  458.578843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.584391]  cache_grow_begin+0xa5/0x8c0
[  458.588460]  ? do_raw_spin_unlock+0xa7/0x330
[  458.592904]  fallback_alloc+0x204/0x2e0
[  458.596889]  ____cache_alloc_node+0x1c7/0x1e0
[  458.601391]  kmem_cache_alloc_node+0xe3/0x730
[  458.605893]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.610488]  __alloc_skb+0x119/0x770
[  458.614205]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  458.619574]  ? netdev_alloc_frag+0x1f0/0x1f0
[  458.624012]  ? vprintk_default+0x28/0x30
[  458.628077]  ? vprintk_func+0x85/0x181
[  458.631973]  ? printk+0xa7/0xcf
[  458.635256]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  458.640016]  ? do_raw_spin_trylock+0x270/0x270
[  458.644635]  new_skb+0x26/0x1c0
[  458.647934]  aoecmd_cfg+0x279/0x7f0
[  458.651581]  ? find_held_lock+0x36/0x1c0
[  458.655648]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  458.659989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.665540]  ? __lock_is_held+0xb5/0x140
[  458.669632]  discover_timer+0x50/0x60
[  458.673463]  call_timer_fn+0x272/0x920
[  458.677370]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.682252]  ? process_timeout+0x40/0x40
[  458.686329]  ? __run_timers+0x7da/0xc70
[  458.690339]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.694836]  ? _raw_spin_unlock_irq+0x27/0x80
[  458.699343]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.704195]  ? lockdep_hardirqs_on+0x296/0x5b0
[  458.708782]  ? trace_hardirqs_on+0xbd/0x310
[  458.713109]  ? kasan_check_read+0x11/0x20
[  458.717287]  ? __run_timers+0x7da/0xc70
[  458.721291]  ? trace_hardirqs_off_caller+0x310/0x310
[  458.726453]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  458.731299]  __run_timers+0x7e5/0xc70
[  458.735140]  ? timer_fixup_init+0x70/0x70
[  458.739296]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  458.744332]  ? zap_class+0x640/0x640
[  458.748055]  ? enqueue_hrtimer+0x1a5/0x560
[  458.752296]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  458.757506]  ? find_held_lock+0x36/0x1c0
[  458.761587]  ? zap_class+0x640/0x640
[  458.765319]  ? pvclock_read_flags+0x160/0x160
[  458.769819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.775375]  ? check_preemption_disabled+0x48/0x280
[  458.780428]  ? __lock_is_held+0xb5/0x140
[  458.784494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.790039]  ? check_preemption_disabled+0x48/0x280
[  458.795096]  run_timer_softirq+0x52/0xb0
[  458.799165]  ? rcu_read_lock_sched_held+0x14f/0x180
[  458.804182]  __do_softirq+0x308/0xb7e
[  458.807989]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  458.812485]  ? lock_downgrade+0x900/0x900
[  458.816638]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  458.821765]  ? pvclock_read_flags+0x160/0x160
[  458.826284]  ? lapic_next_event+0x5a/0x90
[  458.830453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.835998]  ? kvm_clock_read+0x18/0x30
[  458.839974]  ? kvm_sched_clock_read+0x9/0x20
[  458.844406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  458.849957]  ? check_preemption_disabled+0x48/0x280
[  458.855013]  irq_exit+0x17f/0x1c0
[  458.858480]  smp_apic_timer_interrupt+0x1cb/0x760
[  458.863331]  ? smp_reschedule_interrupt+0x109/0x650
[  458.868356]  ? smp_call_function_single_interrupt+0x650/0x650
[  458.874247]  ? interrupt_entry+0xb5/0xc0
[  458.878363]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.883387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  458.888449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.893297]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.898337]  ? trace_hardirqs_on_caller+0x310/0x310
[  458.903375]  ? task_prio+0x50/0x50
[  458.906919]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  458.912466]  ? check_preemption_disabled+0x48/0x280
[  458.917496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  458.922356]  apic_timer_interrupt+0xf/0x20
[  458.926584]  </IRQ>
[  458.928828] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  458.933762] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  458.952669] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  458.960379] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  458.967658] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  458.974952] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  458.982220] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  458.989488] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  458.996806]  skb_clone+0x1bb/0x500
[  459.000366]  ? finish_task_switch+0x2f4/0x910
[  459.004874]  ? skb_split+0x11e0/0x11e0
[  459.008768]  ? preempt_notifier_register+0x200/0x200
[  459.013873]  ? __switch_to_asm+0x34/0x70
[  459.017940]  ? __switch_to_asm+0x34/0x70
[  459.022010]  ? __switch_to_asm+0x40/0x70
[  459.026071]  ? __switch_to_asm+0x34/0x70
[  459.030133]  ? __switch_to_asm+0x40/0x70
[  459.034198]  ? __switch_to_asm+0x34/0x70
[  459.038256]  ? __switch_to_asm+0x40/0x70
[  459.042326]  ? __switch_to_asm+0x34/0x70
[  459.046388]  ? __switch_to_asm+0x34/0x70
[  459.050461]  ? __switch_to_asm+0x40/0x70
[  459.054540]  ? __switch_to_asm+0x34/0x70
[  459.058615]  bpf_clone_redirect+0xb9/0x490
[  459.062863]  ? __schedule+0x8d7/0x21d0
[  459.066761]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  459.071782]  ? __sched_text_start+0x8/0x8
[  459.076025]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  459.080791]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.085375]  ? retint_kernel+0x2d/0x2d
[  459.089269]  ? find_held_lock+0x36/0x1c0
[  459.093346]  ? lock_acquire+0x1ed/0x520
[  459.097331]  ? bpf_test_run+0x3cb/0x780
[  459.101322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.106866]  ? check_preemption_disabled+0x48/0x280
[  459.111907]  ? kasan_check_read+0x11/0x20
[  459.116056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.121344]  ? rcu_softirq_qs+0x20/0x20
[  459.125330]  ? preempt_schedule+0x4d/0x60
[  459.129493]  ? ___preempt_schedule+0x16/0x18
[  459.133919]  ? bpf_test_run+0x25d/0x780
[  459.137927]  ? netlink_diag_dump+0x2a0/0x2a0
[  459.142347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.147894]  ? bpf_test_init.isra.10+0x70/0x100
[  459.152572]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  459.157348]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.162198]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  459.167756]  ? fput+0x130/0x1a0
[  459.171038]  ? __bpf_prog_get+0x9b/0x290
[  459.175116]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  459.179987]  ? bpf_prog_test_run+0x130/0x1a0
[  459.184420]  ? __x64_sys_bpf+0x3d8/0x520
[  459.188485]  ? bpf_prog_get+0x20/0x20
[  459.192310]  ? do_syscall_64+0x1b9/0x820
[  459.196386]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  459.201762]  ? syscall_return_slowpath+0x5e0/0x5e0
[  459.206691]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.211560]  ? trace_hardirqs_on_caller+0x310/0x310
[  459.216581]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  459.221613]  ? prepare_exit_to_usermode+0x291/0x3b0
[  459.226648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  459.231506]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  459.236905] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  459.236962] rcu: INFO: rcu_preempt self-detected stall on CPU
[  459.243874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  459.243883] Call Trace:
[  459.250060] rcu: 	0-...!: (1 GPs behind) idle=dde/1/0x4000000000000004 softirq=19870/19871 fqs=0 
[  459.259094]  <IRQ>
[  459.259117]  dump_stack+0x244/0x39d
[  459.259136]  ? dump_stack_print_info.cold.1+0x20/0x20
[  459.259166]  warn_alloc.cold.116+0xb7/0x1bd
[  459.259182]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  459.259205]  ? lock_downgrade+0x900/0x900
[  459.259228]  ? trace_hardirqs_off+0xb8/0x310
[  459.259248]  ? trace_hardirqs_off+0xb8/0x310
[  459.259270]  __alloc_pages_slowpath+0x26e8/0x2e10
[  459.262139] rcu: 	 (t=10718 jiffies g=24697 q=27)
[  459.271168]  ? warn_alloc+0x120/0x120
[  459.273290] rcu: rcu_preempt kthread starved for 10718 jiffies! g24697 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  459.276933]  ? print_usage_bug+0xc0/0xc0
[  459.282127] rcu: RCU grace-period kthread stack dump:
[  459.286448]  ? warn_alloc+0x120/0x120
[  459.291272] rcu_preempt     R  running task    22696    10      2 0x80000000
[  459.295433]  ? warn_alloc+0x120/0x120
[  459.299822] Call Trace:
[  459.304227]  ? print_usage_bug+0xc0/0xc0
[  459.309056]  __schedule+0x8cf/0x21d0
[  459.313881]  ? kvm_clock_read+0x18/0x30
[  459.317671]  ? __sched_text_start+0x8/0x8
[  459.328139]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  459.332302]  ? add_timer_on+0xa20/0xa20
[  459.337487]  ? print_usage_bug+0xc0/0xc0
[  459.341274]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.348445]  ? __lock_acquire+0x62f/0x4c20
[  459.352232]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.354820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.358866]  ? trace_hardirqs_on+0xbd/0x310
[  459.362568]  ? should_fail+0x22d/0xd01
[  459.366527]  ? kasan_check_read+0x11/0x20
[  459.370655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.375668]  ? prepare_to_swait_event+0x25a/0x800
[  459.379633]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.383704]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.388805]  ? __lock_acquire+0x62f/0x4c20
[  459.393049]  schedule+0xfe/0x460
[  459.398135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  459.403663]  ? __schedule+0x21d0/0x21d0
[  459.407971]  ? __lock_acquire+0x62f/0x4c20
[  459.411847]  ? prepare_to_swait_event+0x25a/0x800
[  459.415990]  ? should_fail+0x22d/0xd01
[  459.421299]  ? __init_swait_queue_head+0x150/0x150
[  459.426126]  ? rcu_irq_exit+0x1a2/0x390
[  459.431218]  ? __lockdep_init_map+0x105/0x590
[  459.436320]  ? mark_held_locks+0x130/0x130
[  459.440549]  ? lockdep_init_map+0x9/0x10
[  459.443898]  ? mark_held_locks+0x130/0x130
[  459.449006]  schedule_timeout+0x140/0x260
[  459.452963]  ? mark_held_locks+0xc7/0x130
[  459.457180]  ? usleep_range+0x1a0/0x1a0
[  459.462009]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  459.465878]  ? __next_timer_interrupt+0x1a0/0x1a0
[  459.470800]  ? zap_class+0x640/0x640
[  459.474771]  rcu_gp_fqs_loop+0x762/0xa80
[  459.479253]  ? print_usage_bug+0xc0/0xc0
[  459.483485]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  459.487532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.491774]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.495910]  ? check_preemption_disabled+0x48/0x280
[  459.500042]  ? perf_trace_sched_process_exec+0x860/0x860
[  459.504012]  ? __lock_is_held+0xb5/0x140
[  459.509014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.513854]  __alloc_pages_nodemask+0xa80/0xde0
[  459.517564]  ? rcu_gp_init+0x90b/0x1260
[  459.521622]  ? zap_class+0x640/0x640
[  459.525694]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  459.530448]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  459.535969]  ? rcu_accelerate_cbs+0x10a/0xae0
[  459.541066]  ? find_held_lock+0x36/0x1c0
[  459.546071]  ? zap_class+0x640/0x640
[  459.551524]  ? ____cache_alloc_node+0x1c7/0x1e0
[  459.555563]  ? zap_class+0x640/0x640
[  459.561085]  ? lock_downgrade+0x900/0x900
[  459.565744]  ? __lock_is_held+0xb5/0x140
[  459.569700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.573394]  ? __lock_is_held+0xb5/0x140
[  459.578145]  cache_grow_begin+0xa5/0x8c0
[  459.583147]  ? zap_class+0x640/0x640
[  459.587627]  ? do_raw_spin_unlock+0xa7/0x330
[  459.591676]  ? rcu_accelerate_cbs+0x10a/0xae0
[  459.595373]  fallback_alloc+0x204/0x2e0
[  459.600033]  ? find_held_lock+0x36/0x1c0
[  459.603731]  ____cache_alloc_node+0x1c7/0x1e0
[  459.607883]  ? rcu_gp_kthread+0x8cf/0xc70
[  459.611936]  kmem_cache_alloc_node+0xe3/0x730
[  459.617466]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.621518]  ? ipv6_get_ifaddr+0x42e/0x620
[  459.625559]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.629277]  __alloc_skb+0x119/0x770
[  459.633666]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.638149]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  459.642110]  ? trace_hardirqs_on+0xbd/0x310
[  459.646151]  ? netdev_alloc_frag+0x1f0/0x1f0
[  459.650636]  ? kasan_check_read+0x11/0x20
[  459.654776]  ? lock_downgrade+0x900/0x900
[  459.659293]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.663796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.668012]  ? perf_trace_sched_process_exec+0x860/0x860
[  459.672505]  ? refcount_sub_and_test_checked+0x203/0x310
[  459.676211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.680801]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  459.686072]  rcu_gp_kthread+0x341/0xc70
[  459.690380]  ? addrconf_rs_timer+0x690/0x690
[  459.694775]  ? rcu_gp_init+0x1260/0x1260
[  459.698935]  ndisc_alloc_skb+0x144/0x340
[  459.703057]  ? mark_held_locks+0x130/0x130
[  459.708148]  ndisc_send_rs+0x331/0x6e0
[  459.713700]  ? __schedule+0x168a/0x21d0
[  459.719134]  addrconf_rs_timer+0x314/0x690
[  459.724584]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.730110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.735550]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.739535]  call_timer_fn+0x272/0x920
[  459.743940]  ? trace_hardirqs_on+0xbd/0x310
[  459.747988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.752037]  ? kasan_check_read+0x11/0x20
[  459.756254]  ? process_timeout+0x40/0x40
[  459.760127]  ? __schedule+0x168a/0x21d0
[  459.764098]  ? mark_held_locks+0xc7/0x130
[  459.768345]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.772840]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.777079]  ? lock_pin_lock+0x350/0x350
[  459.781651]  ? _raw_spin_unlock_irq+0x27/0x80
[  459.785529]  ? _raw_spin_unlock_irq+0x60/0x80
[  459.789834]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.794056]  ? __schedule+0x168a/0x21d0
[  459.798194]  ? lockdep_hardirqs_on+0x296/0x5b0
[  459.802250]  ? __switch_to_asm+0x40/0x70
[  459.806215]  ? trace_hardirqs_on+0xbd/0x310
[  459.810359]  ? __switch_to_asm+0x40/0x70
[  459.815560]  ? kasan_check_read+0x11/0x20
[  459.820036]  ? show_schedstat+0x721/0xf30
[  459.824082]  ? __run_timers+0x7da/0xc70
[  459.828575]  ? __sched_text_start+0x8/0x8
[  459.833066]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.837288]  ? find_held_lock+0x36/0x1c0
[  459.841250]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.845828]  ? __kthread_parkme+0xce/0x1a0
[  459.849865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  459.854174]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.858218]  __run_timers+0x7e5/0xc70
[  459.862368]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  459.866509]  ? timer_fixup_init+0x70/0x70
[  459.870465]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  459.874603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  459.879691]  ? trace_hardirqs_on+0xbd/0x310
[  459.883735]  ? zap_class+0x640/0x640
[  459.887966]  ? kasan_check_read+0x11/0x20
[  459.892179]  ? print_usage_bug+0xc0/0xc0
[  459.896422]  ? __kthread_parkme+0xce/0x1a0
[  459.901509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  459.905295]  ? trace_hardirqs_off_caller+0x310/0x310
[  459.910383]  ? find_held_lock+0x36/0x1c0
[  459.914530]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  459.919093]  ? zap_class+0x640/0x640
[  459.924101]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  459.928407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.932127]  ? __kthread_parkme+0xfb/0x1a0
[  459.936259]  ? check_preemption_disabled+0x48/0x280
[  459.940308]  ? rcu_gp_init+0x1260/0x1260
[  459.944540]  ? __lock_is_held+0xb5/0x140
[  459.949714]  kthread+0x35a/0x440
[  459.954815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  459.958860]  ? kthread_stop+0x900/0x900
[  459.963970]  ? check_preemption_disabled+0x48/0x280
[  459.967672]  ret_from_fork+0x3a/0x50
[  459.973199]  run_timer_softirq+0x52/0xb0
[  459.978730] NMI backtrace for cpu 0
[  459.982942]  ? rcu_read_lock_sched_held+0x14f/0x180
[  460.030250]  __do_softirq+0x308/0xb7e
[  460.034064]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  460.038569]  ? lock_downgrade+0x900/0x900
[  460.042722]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  460.047846]  ? pvclock_read_flags+0x160/0x160
[  460.052361]  ? lapic_next_event+0x5a/0x90
[  460.056518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.062063]  ? kvm_clock_read+0x18/0x30
[  460.066038]  ? kvm_sched_clock_read+0x9/0x20
[  460.070452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.076016]  ? check_preemption_disabled+0x48/0x280
[  460.081050]  irq_exit+0x17f/0x1c0
[  460.084528]  smp_apic_timer_interrupt+0x1cb/0x760
[  460.089378]  ? smp_reschedule_interrupt+0x109/0x650
[  460.094396]  ? smp_call_function_single_interrupt+0x650/0x650
[  460.100277]  ? interrupt_entry+0xb5/0xc0
[  460.104349]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.109387]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.114407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.119254]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.124285]  ? trace_hardirqs_on_caller+0x310/0x310
[  460.129309]  ? task_prio+0x50/0x50
[  460.132891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.138434]  ? check_preemption_disabled+0x48/0x280
[  460.143461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  460.148310]  apic_timer_interrupt+0xf/0x20
[  460.152558]  </IRQ>
[  460.154799] RIP: 0010:console_unlock+0x102f/0x1190
[  460.159733] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  460.178639] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  460.186349] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  460.193619] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  460.201030] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  460.208296] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  460.215588] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  460.222888]  ? netconsole_netdev_event+0x280/0x280
[  460.227830]  ? console_unlock+0x1026/0x1190
[  460.232181]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  460.236851]  ? vprintk_emit+0x846/0x990
[  460.240833]  ? lock_release+0xa00/0xa00
[  460.244813]  ? trace_hardirqs_on+0x60/0x310
[  460.249135]  ? vprintk_default+0x28/0x30
[  460.253197]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.258321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.263891]  vprintk_emit+0x391/0x990
[  460.267701]  ? wake_up_klogd+0x180/0x180
[  460.271770]  ? find_held_lock+0x1/0x1c0
[  460.275820]  ? mark_held_locks+0xc7/0x130
[  460.279993]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.284533]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.289036]  vprintk_default+0x28/0x30
[  460.292933]  vprintk_func+0x7e/0x181
[  460.296649]  printk+0xa7/0xcf
[  460.299761]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  460.304518]  ? _raw_spin_unlock_irq+0x60/0x80
[  460.309058]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  460.314348]  dump_header+0x7cc/0xf72
[  460.318087]  ? pagefault_out_of_memory+0x197/0x197
[  460.323027]  ? __lock_acquire+0x62f/0x4c20
[  460.327279]  ? percpu_ref_get_many+0x240/0x240
[  460.331901]  ? print_usage_bug+0xc0/0xc0
[  460.336024]  ? zap_class+0x640/0x640
[  460.339744]  ? print_usage_bug+0xc0/0xc0
[  460.343811]  ? zap_class+0x640/0x640
[  460.347538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.353080]  ? find_held_lock+0x36/0x1c0
[  460.357168]  ? mark_held_locks+0xc7/0x130
[  460.361388]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.366522]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  460.371667]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  460.376255]  ? trace_hardirqs_on+0xbd/0x310
[  460.380625]  ? kasan_check_read+0x11/0x20
[  460.384774]  ? ___ratelimit+0x3b4/0x672
[  460.388770]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.393887]  ? trace_hardirqs_on+0x310/0x310
[  460.398325]  ? lock_downgrade+0x900/0x900
[  460.402475]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  460.407587]  ? ___ratelimit+0x3b9/0x672
[  460.411575]  ? idr_get_free+0xf70/0xf70
[  460.415608]  ? find_held_lock+0x36/0x1c0
[  460.419709]  oom_kill_process.cold.27+0x10/0x903
[  460.424479]  ? zap_class+0x640/0x640
[  460.428194]  ? check_preemption_disabled+0x48/0x280
[  460.433215]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.438159]  ? kasan_check_read+0x11/0x20
[  460.442336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.447642]  ? oom_evaluate_task+0x540/0x540
[  460.452057]  ? find_held_lock+0x36/0x1c0
[  460.456152]  ? out_of_memory+0x974/0x1430
[  460.460322]  ? lock_downgrade+0x900/0x900
[  460.464490]  ? check_preemption_disabled+0x48/0x280
[  460.469509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.474487]  ? kasan_check_read+0x11/0x20
[  460.478638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.483927]  ? rcu_softirq_qs+0x20/0x20
[  460.487914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.493456]  ? oom_evaluate_task+0x302/0x540
[  460.497872]  out_of_memory+0xa84/0x1430
[  460.501860]  ? oom_killer_disable+0x3a0/0x3a0
[  460.506360]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  460.511296]  ? __ww_mutex_check_waiters+0x160/0x160
[  460.516360]  __alloc_pages_slowpath+0x2354/0x2e10
[  460.521237]  ? warn_alloc+0x120/0x120
[  460.525061]  ? mark_held_locks+0x130/0x130
[  460.529306]  ? find_get_entry+0xaae/0x1120
[  460.533569]  ? filemap_map_pages+0x1a20/0x1a20
[  460.538161]  ? zap_class+0x640/0x640
[  460.541885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.547462]  ? check_preemption_disabled+0x48/0x280
[  460.552482]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.558024]  ? should_fail+0x22d/0xd01
[  460.561941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  460.567047]  ? zap_class+0x640/0x640
[  460.570792]  ? __lock_is_held+0xb5/0x140
[  460.574867]  ? mark_held_locks+0x130/0x130
[  460.579120]  ? lock_release+0xa00/0xa00
[  460.583098]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.588584]  ? xa_load+0x2ba/0x460
[  460.592129]  ? lock_downgrade+0x900/0x900
[  460.596285]  ? __might_sleep+0x95/0x190
[  460.600276]  __alloc_pages_nodemask+0xa80/0xde0
[  460.604956]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  460.609979]  ? __page_cache_alloc+0x191/0x5c0
[  460.614478]  ? xa_load+0x2e1/0x460
[  460.618021]  ? xa_clear_mark+0x40/0x40
[  460.621930]  ? zap_class+0x640/0x640
[  460.625660]  ? zap_class+0x640/0x640
[  460.629384]  ? zap_class+0x640/0x640
[  460.633118]  ? zap_class+0x640/0x640
[  460.636843]  ? __do_page_cache_readahead+0x663/0x810
[  460.641966]  ? find_held_lock+0x36/0x1c0
[  460.646053]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  460.651604]  alloc_pages_current+0x173/0x350
[  460.656021]  __page_cache_alloc+0x38c/0x5c0
[  460.660353]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.665284]  ? kasan_check_read+0x11/0x20
[  460.669442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.674736]  ? generic_perform_write+0x6a0/0x6a0
[  460.679497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.685041]  ? check_preemption_disabled+0x48/0x280
[  460.690071]  filemap_fault+0x1595/0x25f0
[  460.694147]  ? __lock_page_or_retry+0xa00/0xa00
[  460.698829]  ? mark_held_locks+0x130/0x130
[  460.703075]  ? filemap_map_pages+0xd6b/0x1a20
[  460.707574]  ? lock_downgrade+0x900/0x900
[  460.711726]  ? check_preemption_disabled+0x48/0x280
[  460.716748]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.721695]  ? kasan_check_read+0x11/0x20
[  460.725843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.731125]  ? rcu_softirq_qs+0x20/0x20
[  460.735121]  ? filemap_map_pages+0xd92/0x1a20
[  460.739625]  ? queue_work_on+0x12c/0x1e0
[  460.743704]  ? find_get_entries_tag+0x1400/0x1400
[  460.748560]  ? debug_object_destroy+0x2b0/0x2b0
[  460.753272]  ? lock_pi_update_atomic+0x150/0x150
[  460.758041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  460.763594]  ? lock_acquire+0x1ed/0x520
[  460.767588]  ? ext4_filemap_fault+0x7a/0xad
[  460.771935]  ? lock_release+0xa00/0xa00
[  460.775932]  ? perf_trace_sched_process_exec+0x860/0x860
[  460.781412]  ? print_usage_bug+0xc0/0xc0
[  460.785493]  ? print_usage_bug+0xc0/0xc0
[  460.789569]  ? down_read+0x8d/0x120
[  460.793211]  ? ext4_filemap_fault+0x7a/0xad
[  460.797544]  ? __down_interruptible+0x700/0x700
[  460.802229]  ext4_filemap_fault+0x82/0xad
[  460.806400]  __do_fault+0x100/0x6b0
[  460.810029]  ? find_held_lock+0x36/0x1c0
[  460.814101]  ? pmd_devmap_trans_unstable+0x220/0x220
[  460.819208]  ? mark_held_locks+0x130/0x130
[  460.823451]  ? mark_held_locks+0x130/0x130
[  460.827688]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.832183]  ? _raw_spin_unlock_irq+0x27/0x80
[  460.836680]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  460.841305]  ? kasan_check_read+0x11/0x20
[  460.845470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.851018]  __handle_mm_fault+0x3ea0/0x5be0
[  460.855456]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  460.860307]  ? finish_task_switch+0x1f4/0x910
[  460.864820]  ? finish_task_switch+0x1b4/0x910
[  460.869331]  ? __switch_to_asm+0x34/0x70
[  460.873401]  ? preempt_notifier_register+0x200/0x200
[  460.878521]  ? __switch_to_asm+0x34/0x70
[  460.882584]  ? __switch_to_asm+0x34/0x70
[  460.886675]  ? zap_class+0x640/0x640
[  460.890487]  ? zap_class+0x640/0x640
[  460.894206]  ? __x64_sys_futex+0x53e/0x6a0
[  460.898460]  ? find_held_lock+0x36/0x1c0
[  460.902548]  ? handle_mm_fault+0x42a/0xc70
[  460.906798]  ? lock_downgrade+0x900/0x900
[  460.910961]  ? check_preemption_disabled+0x48/0x280
[  460.915985]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  460.920922]  ? kasan_check_read+0x11/0x20
[  460.925072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  460.930353]  ? rcu_softirq_qs+0x20/0x20
[  460.934338]  ? trace_hardirqs_off_caller+0x310/0x310
[  460.939467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  460.945025]  ? check_preemption_disabled+0x48/0x280
[  460.950061]  handle_mm_fault+0x54f/0xc70
[  460.954139]  ? __handle_mm_fault+0x5be0/0x5be0
[  460.958759]  ? find_vma+0x34/0x190
[  460.962333]  __do_page_fault+0x5e8/0xe60
[  460.966414]  ? trace_hardirqs_off+0xb8/0x310
[  460.970840]  do_page_fault+0xf2/0x7e0
[  460.974645]  ? vmalloc_sync_all+0x30/0x30
[  460.978803]  ? error_entry+0x70/0xd0
[  460.982522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  460.987540]  ? trace_hardirqs_on_caller+0xc0/0x310
[  460.992474]  ? syscall_return_slowpath+0x5e0/0x5e0
[  460.997416]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.002266]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.007295]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  461.012771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  461.017800]  ? page_fault+0x8/0x30
[  461.021360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.026208]  ? page_fault+0x8/0x30
[  461.029749]  page_fault+0x1e/0x30
[  461.033211] RIP: 0033:0x45ddf3
[  461.036416] Code: Bad RIP value.
[  461.039776] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  461.045136] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  461.052404] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  461.059694] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  461.066978] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  461.074247] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  461.081568] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  461.081574] warn_alloc_show_mem: 1 callbacks suppressed
[  461.081581] Mem-Info:
[  461.088869] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  461.094289] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  461.094289]  active_file:15 inactive_file:15 isolated_file:0
[  461.094289]  unevictable:0 dirty:0 writeback:0 unstable:0
[  461.094289]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  461.094289]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  461.094289]  free:13750 free_pcp:296 free_cma:0
[  461.096680] Call Trace:
[  461.106088] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  461.139111]  <IRQ>
[  461.141689] 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
[  461.169201]  dump_stack+0x244/0x39d
[  461.171351] lowmem_reserve[]: 0 2818 6321 6321
[  461.197500]  ? dump_stack_print_info.cold.1+0x20/0x20
[  461.201105] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  461.205689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.210846] lowmem_reserve[]: 0 0 3503 3503
[  461.238379]  ? do_raw_spin_lock+0x14f/0x350
[  461.243894] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  461.248218]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  461.252500] lowmem_reserve[]: 0 0 0 0
[  461.281507]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  461.286150] 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
[  461.289973]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  461.295127] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  461.308689]  arch_trigger_cpumask_backtrace+0x14/0x20
[  461.313938] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  461.329633]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  461.329647]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  461.329657]  ? print_other_cpu_stall+0x160/0x160
[  461.329668]  ? print_usage_bug+0xc0/0xc0
[  461.329675]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  461.329686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329695]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329709]  ? do_trace_rcu_torture_read+0x10/0x10
[  461.329722]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  461.329729]  ? __lock_is_held+0xb5/0x140
[  461.329737]  ? __rcu_read_lock+0x50/0x50
[  461.329745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329765]  ? check_preemption_disabled+0x48/0x280
[  461.329776]  rcu_check_callbacks+0xf3b/0x13f0
[  461.329790]  ? rcutree_dead_cpu+0x10/0x10
[  461.329798]  ? lock_downgrade+0x900/0x900
[  461.329808]  ? lock_release+0x930/0xa00
[  461.329822]  ? zap_class+0x640/0x640
[  461.329829]  ? mark_held_locks+0x130/0x130
[  461.329837]  ? zap_class+0x640/0x640
[  461.329846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329856]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  461.329864]  ? kvm_set_tsc_khz+0x540/0x540
[  461.329875]  ? find_held_lock+0x36/0x1c0
[  461.329887]  ? zap_class+0x640/0x640
[  461.329896]  ? timekeeping_advance+0x3cc/0xc00
[  461.329906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.329915]  ? check_preemption_disabled+0x48/0x280
[  461.329935]  ? trace_hardirqs_off+0xb8/0x310
[  461.329954]  ? __lock_is_held+0xb5/0x140
[  461.335143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  461.349284]  ? trace_hardirqs_on+0x310/0x310
[  461.353701] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  461.358467]  ? check_preemption_disabled+0x48/0x280
[  461.363194] 2335 total pagecache pages
[  461.367258]  ? raise_softirq+0x199/0x420
[  461.372166] 0 pages in swap cache
[  461.377692]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  461.383201] Swap cache stats: add 0, delete 0, find 0/0
[  461.383211] Free swap  = 0kB
[  461.388148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.393396] Total swap = 0kB
[  461.397458]  ? check_preemption_disabled+0x48/0x280
[  461.401489] 1965979 pages RAM
[  461.407023]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  461.412538] 0 pages HighMem/MovableOnly
[  461.417566]  ? hrtimer_run_queues+0x9a/0x400
[  461.422036] 342853 pages reserved
[  461.426181]  ? run_local_timers+0x19b/0x230
[  461.430303] 0 pages cma reserved
[  461.434279]  ? timer_clear_idle+0x90/0x90
[  461.438049] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  461.442197]  ? debug_smp_processor_id+0x1c/0x20
[  461.442218]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  461.446041] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  461.451484]  ? account_process_tick+0x282/0x350
[  461.456041] syz-fuzzer cpuset=/ mems_allowed=0
[  461.460275]  update_process_times+0x2d/0x70
[  461.629495]  tick_sched_handle+0x9f/0x180
[  461.633659]  tick_sched_timer+0x45/0x130
[  461.637729]  __hrtimer_run_queues+0x41c/0x10d0
[  461.642328]  ? tick_sched_do_timer+0x1a0/0x1a0
[  461.646920]  ? hrtimer_start_range_ns+0xe00/0xe00
[  461.651788]  ? pvclock_read_flags+0x160/0x160
[  461.656290]  ? trace_hardirqs_on+0x310/0x310
[  461.660709]  ? zap_class+0x640/0x640
[  461.664436]  ? kvm_clock_read+0x18/0x30
[  461.668420]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  461.673469]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  461.678841]  ? do_timer+0x50/0x50
[  461.682296]  ? rwlock_bug.part.2+0x90/0x90
[  461.686550]  ? trace_hardirqs_on+0x310/0x310
[  461.690963]  ? rcu_softirq_qs+0x20/0x20
[  461.694953]  hrtimer_interrupt+0x313/0x780
[  461.699223]  smp_apic_timer_interrupt+0x1a1/0x760
[  461.704074]  ? smp_call_function_single_interrupt+0x650/0x650
[  461.709962]  ? interrupt_entry+0xb5/0xc0
[  461.714032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  461.719053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  461.723726]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.728579]  ? trace_hardirqs_on_caller+0x310/0x310
[  461.733609]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  461.738464]  apic_timer_interrupt+0xf/0x20
[  461.742710] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  461.748079] Code: 3f 7e 0f 85 32 ff ff ff e8 75 1d 3e ff e9 28 ff ff ff e8 ec 52 c3 ff 48 83 3d f4 9b 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  461.766978] RSP: 0000:ffff8801dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  461.774690] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100370665e9
[  461.781966] RDX: 0000000000000000 RSI: ffff8801b8332f50 RDI: 0000000000000286
[  461.789237] RBP: ffff8801dae07448 R08: ffff8801b8332f48 R09: 0000000000000002
[  461.796504] R10: 0000000000000000 R11: ffff8801b8332680 R12: ffff8801d9beec00
[  461.803776] R13: ffff8801d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  461.811055]  ? apic_timer_interrupt+0xa/0x20
[  461.815494]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.820088]  __alloc_skb+0x119/0x770
[  461.823802]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  461.829178]  ? netdev_alloc_frag+0x1f0/0x1f0
[  461.833596]  ? vprintk_default+0x28/0x30
[  461.837661]  ? vprintk_func+0x85/0x181
[  461.841566]  ? printk+0xa7/0xcf
[  461.844846]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  461.849612]  ? do_raw_spin_trylock+0x270/0x270
[  461.854214]  new_skb+0x26/0x1c0
[  461.857499]  aoecmd_cfg+0x279/0x7f0
[  461.861129]  ? find_held_lock+0x36/0x1c0
[  461.865193]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  461.869528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.875080]  ? __lock_is_held+0xb5/0x140
[  461.879163]  discover_timer+0x50/0x60
[  461.882965]  call_timer_fn+0x272/0x920
[  461.886855]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  461.891704]  ? process_timeout+0x40/0x40
[  461.895798]  ? __run_timers+0x7da/0xc70
[  461.899776]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.904273]  ? _raw_spin_unlock_irq+0x27/0x80
[  461.908776]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  461.913623]  ? lockdep_hardirqs_on+0x296/0x5b0
[  461.918210]  ? trace_hardirqs_on+0xbd/0x310
[  461.922536]  ? kasan_check_read+0x11/0x20
[  461.926690]  ? __run_timers+0x7da/0xc70
[  461.930691]  ? trace_hardirqs_off_caller+0x310/0x310
[  461.935816]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  461.940661]  __run_timers+0x7e5/0xc70
[  461.944473]  ? timer_fixup_init+0x70/0x70
[  461.948625]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  461.953656]  ? zap_class+0x640/0x640
[  461.957377]  ? enqueue_hrtimer+0x1a5/0x560
[  461.961615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  461.966816]  ? find_held_lock+0x36/0x1c0
[  461.970891]  ? zap_class+0x640/0x640
[  461.974630]  ? pvclock_read_flags+0x160/0x160
[  461.979134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.984676]  ? check_preemption_disabled+0x48/0x280
[  461.989708]  ? __lock_is_held+0xb5/0x140
[  461.993779]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  461.999334]  ? check_preemption_disabled+0x48/0x280
[  462.004362]  run_timer_softirq+0x52/0xb0
[  462.008450]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.013471]  __do_softirq+0x308/0xb7e
[  462.017278]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.021786]  ? lock_downgrade+0x900/0x900
[  462.025940]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.031081]  ? pvclock_read_flags+0x160/0x160
[  462.035587]  ? lapic_next_event+0x5a/0x90
[  462.039777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.045339]  ? kvm_clock_read+0x18/0x30
[  462.049327]  ? kvm_sched_clock_read+0x9/0x20
[  462.053752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.059329]  ? check_preemption_disabled+0x48/0x280
[  462.064359]  irq_exit+0x17f/0x1c0
[  462.067818]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.072660]  ? smp_reschedule_interrupt+0x109/0x650
[  462.077691]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.083576]  ? interrupt_entry+0xb5/0xc0
[  462.087642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.092665]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.097697]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.102542]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.107564]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.112583]  ? task_prio+0x50/0x50
[  462.116132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.121675]  ? check_preemption_disabled+0x48/0x280
[  462.126716]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.131570]  apic_timer_interrupt+0xf/0x20
[  462.135799]  </IRQ>
[  462.138041] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  462.142985] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  462.161888] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  462.169603] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  462.176874] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  462.184145] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  462.191436] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  462.199097] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  462.206422]  skb_clone+0x1bb/0x500
[  462.209976]  ? finish_task_switch+0x2f4/0x910
[  462.214519]  ? skb_split+0x11e0/0x11e0
[  462.218422]  ? preempt_notifier_register+0x200/0x200
[  462.223528]  ? __switch_to_asm+0x34/0x70
[  462.227615]  ? __switch_to_asm+0x34/0x70
[  462.231678]  ? __switch_to_asm+0x40/0x70
[  462.235740]  ? __switch_to_asm+0x34/0x70
[  462.239804]  ? __switch_to_asm+0x40/0x70
[  462.243872]  ? __switch_to_asm+0x34/0x70
[  462.247936]  ? __switch_to_asm+0x40/0x70
[  462.252001]  ? __switch_to_asm+0x34/0x70
[  462.256067]  ? __switch_to_asm+0x34/0x70
[  462.260130]  ? __switch_to_asm+0x40/0x70
[  462.264232]  ? __switch_to_asm+0x34/0x70
[  462.268302]  bpf_clone_redirect+0xb9/0x490
[  462.272553]  ? __schedule+0x8d7/0x21d0
[  462.276452]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  462.281475]  ? __sched_text_start+0x8/0x8
[  462.285633]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  462.290412]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  462.295001]  ? retint_kernel+0x2d/0x2d
[  462.298902]  ? find_held_lock+0x36/0x1c0
[  462.302979]  ? lock_acquire+0x1ed/0x520
[  462.306959]  ? bpf_test_run+0x3cb/0x780
[  462.310960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.316503]  ? check_preemption_disabled+0x48/0x280
[  462.321534]  ? kasan_check_read+0x11/0x20
[  462.325682]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.330966]  ? rcu_softirq_qs+0x20/0x20
[  462.334962]  ? preempt_schedule+0x4d/0x60
[  462.339118]  ? ___preempt_schedule+0x16/0x18
[  462.343537]  ? bpf_test_run+0x25d/0x780
[  462.347528]  ? netlink_diag_dump+0x2a0/0x2a0
[  462.351946]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.357485]  ? bpf_test_init.isra.10+0x70/0x100
[  462.362179]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  462.366948]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.371801]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  462.377364]  ? fput+0x130/0x1a0
[  462.380658]  ? __bpf_prog_get+0x9b/0x290
[  462.384728]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  462.389572]  ? bpf_prog_test_run+0x130/0x1a0
[  462.393987]  ? __x64_sys_bpf+0x3d8/0x520
[  462.398056]  ? bpf_prog_get+0x20/0x20
[  462.401898]  ? do_syscall_64+0x1b9/0x820
[  462.406011]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  462.411410]  ? syscall_return_slowpath+0x5e0/0x5e0
[  462.416360]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.421232]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.426257]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  462.431280]  ? prepare_exit_to_usermode+0x291/0x3b0
[  462.436344]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.441198]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  462.446607] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  462.447043] aoe: skb alloc failure
[  462.453547] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  462.453556] Call Trace:
[  462.457187] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  462.466457]  <IRQ>
[  462.469048] syz-executor1 cpuset=syz1 mems_allowed=0
[  462.479544]  dump_stack+0x244/0x39d
[  462.490384]  ? dump_stack_print_info.cold.1+0x20/0x20
[  462.495590]  warn_alloc.cold.116+0xb7/0x1bd
[  462.499922]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  462.504789]  ? lock_downgrade+0x900/0x900
[  462.508952]  ? trace_hardirqs_off+0xb8/0x310
[  462.513371]  ? trace_hardirqs_off+0xb8/0x310
[  462.517790]  __alloc_pages_slowpath+0x26e8/0x2e10
[  462.522662]  ? warn_alloc+0x120/0x120
[  462.526468]  ? print_usage_bug+0xc0/0xc0
[  462.530558]  ? warn_alloc+0x120/0x120
[  462.534367]  ? warn_alloc+0x120/0x120
[  462.538181]  ? print_usage_bug+0xc0/0xc0
[  462.542244]  ? kvm_clock_read+0x18/0x30
[  462.546223]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  462.551249]  ? print_usage_bug+0xc0/0xc0
[  462.555324]  ? __lock_acquire+0x62f/0x4c20
[  462.559568]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.565127]  ? should_fail+0x22d/0xd01
[  462.569019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.574300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.579418]  ? __lock_acquire+0x62f/0x4c20
[  462.583659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  462.588761]  ? __lock_acquire+0x62f/0x4c20
[  462.593013]  ? should_fail+0x22d/0xd01
[  462.596907]  ? rcu_irq_exit+0x1a2/0x390
[  462.600900]  ? mark_held_locks+0x130/0x130
[  462.605158]  ? mark_held_locks+0x130/0x130
[  462.609413]  ? mark_held_locks+0xc7/0x130
[  462.613579]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  462.618636]  ? zap_class+0x640/0x640
[  462.622359]  ? print_usage_bug+0xc0/0xc0
[  462.626431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.631976]  ? check_preemption_disabled+0x48/0x280
[  462.637007]  ? __lock_is_held+0xb5/0x140
[  462.641078]  __alloc_pages_nodemask+0xa80/0xde0
[  462.645753]  ? zap_class+0x640/0x640
[  462.649474]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  462.654505]  ? find_held_lock+0x36/0x1c0
[  462.658581]  ? ____cache_alloc_node+0x1c7/0x1e0
[  462.663252]  ? lock_downgrade+0x900/0x900
[  462.667410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.672955]  cache_grow_begin+0xa5/0x8c0
[  462.677029]  ? do_raw_spin_unlock+0xa7/0x330
[  462.681447]  fallback_alloc+0x204/0x2e0
[  462.685431]  ____cache_alloc_node+0x1c7/0x1e0
[  462.689977]  kmem_cache_alloc_node+0xe3/0x730
[  462.694485]  ? ipv6_get_ifaddr+0x42e/0x620
[  462.698736]  __alloc_skb+0x119/0x770
[  462.702479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  462.707769]  ? netdev_alloc_frag+0x1f0/0x1f0
[  462.712188]  ? lock_downgrade+0x900/0x900
[  462.716351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.721906]  ? refcount_sub_and_test_checked+0x203/0x310
[  462.727380]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  462.732837]  ? addrconf_rs_timer+0x690/0x690
[  462.737260]  ndisc_alloc_skb+0x144/0x340
[  462.741339]  ndisc_send_rs+0x331/0x6e0
[  462.745256]  addrconf_rs_timer+0x314/0x690
[  462.749497]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.753746]  call_timer_fn+0x272/0x920
[  462.757633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.761901]  ? process_timeout+0x40/0x40
[  462.765986]  ? mark_held_locks+0xc7/0x130
[  462.770137]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.774663]  ? _raw_spin_unlock_irq+0x27/0x80
[  462.779163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.783400]  ? lockdep_hardirqs_on+0x296/0x5b0
[  462.787988]  ? trace_hardirqs_on+0xbd/0x310
[  462.792323]  ? kasan_check_read+0x11/0x20
[  462.796473]  ? __run_timers+0x7da/0xc70
[  462.800454]  ? trace_hardirqs_off_caller+0x310/0x310
[  462.805575]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.809823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  462.814055]  __run_timers+0x7e5/0xc70
[  462.817884]  ? timer_fixup_init+0x70/0x70
[  462.822040]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  462.827059]  ? zap_class+0x640/0x640
[  462.830779]  ? print_usage_bug+0xc0/0xc0
[  462.834848]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  462.840046]  ? find_held_lock+0x36/0x1c0
[  462.844114]  ? zap_class+0x640/0x640
[  462.847837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.853380]  ? check_preemption_disabled+0x48/0x280
[  462.858408]  ? __lock_is_held+0xb5/0x140
[  462.862477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.868018]  ? check_preemption_disabled+0x48/0x280
[  462.873042]  run_timer_softirq+0x52/0xb0
[  462.877105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  462.882139]  __do_softirq+0x308/0xb7e
[  462.885964]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  462.890480]  ? lock_downgrade+0x900/0x900
[  462.894644]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  462.899758]  ? pvclock_read_flags+0x160/0x160
[  462.904259]  ? lapic_next_event+0x5a/0x90
[  462.908417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.913967]  ? kvm_clock_read+0x18/0x30
[  462.917949]  ? kvm_sched_clock_read+0x9/0x20
[  462.922360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  462.927906]  ? check_preemption_disabled+0x48/0x280
[  462.932945]  irq_exit+0x17f/0x1c0
[  462.936407]  smp_apic_timer_interrupt+0x1cb/0x760
[  462.941266]  ? smp_reschedule_interrupt+0x109/0x650
[  462.946300]  ? smp_call_function_single_interrupt+0x650/0x650
[  462.952196]  ? interrupt_entry+0xb5/0xc0
[  462.956274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.961309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  462.966352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  462.971199]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.976216]  ? trace_hardirqs_on_caller+0x310/0x310
[  462.981242]  ? task_prio+0x50/0x50
[  462.984789]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  462.990340]  ? check_preemption_disabled+0x48/0x280
[  462.995377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.000229]  apic_timer_interrupt+0xf/0x20
[  463.004462]  </IRQ>
[  463.006732] RIP: 0010:console_unlock+0x102f/0x1190
[  463.011666] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  463.030566] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  463.038276] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  463.045548] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  463.052830] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  463.060098] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  463.067369] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  463.074649]  ? netconsole_netdev_event+0x280/0x280
[  463.079587]  ? console_unlock+0x1026/0x1190
[  463.083963]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  463.088634]  ? vprintk_emit+0x846/0x990
[  463.092624]  ? lock_release+0xa00/0xa00
[  463.096607]  ? trace_hardirqs_on+0x60/0x310
[  463.100939]  ? vprintk_default+0x28/0x30
[  463.105006]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.110116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.115665]  vprintk_emit+0x391/0x990
[  463.119488]  ? wake_up_klogd+0x180/0x180
[  463.123561]  ? find_held_lock+0x1/0x1c0
[  463.127569]  ? mark_held_locks+0xc7/0x130
[  463.131726]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.136220]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.140720]  vprintk_default+0x28/0x30
[  463.144610]  vprintk_func+0x7e/0x181
[  463.148338]  printk+0xa7/0xcf
[  463.151452]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  463.156211]  ? _raw_spin_unlock_irq+0x60/0x80
[  463.160733]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  463.166020]  dump_header+0x7cc/0xf72
[  463.169745]  ? pagefault_out_of_memory+0x197/0x197
[  463.174685]  ? __lock_acquire+0x62f/0x4c20
[  463.178934]  ? percpu_ref_get_many+0x240/0x240
[  463.183528]  ? print_usage_bug+0xc0/0xc0
[  463.187604]  ? zap_class+0x640/0x640
[  463.191330]  ? print_usage_bug+0xc0/0xc0
[  463.195417]  ? zap_class+0x640/0x640
[  463.199138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.204701]  ? find_held_lock+0x36/0x1c0
[  463.208796]  ? mark_held_locks+0xc7/0x130
[  463.212977]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  463.218081]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  463.223187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.227789]  ? trace_hardirqs_on+0xbd/0x310
[  463.232121]  ? kasan_check_read+0x11/0x20
[  463.236303]  ? ___ratelimit+0x3b4/0x672
[  463.240291]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.245406]  ? trace_hardirqs_on+0x310/0x310
[  463.249822]  ? lock_downgrade+0x900/0x900
[  463.253984]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  463.259088]  ? ___ratelimit+0x3b9/0x672
[  463.263069]  ? idr_get_free+0xf70/0xf70
[  463.267093]  ? find_held_lock+0x36/0x1c0
[  463.271169]  oom_kill_process.cold.27+0x10/0x903
[  463.275938]  ? zap_class+0x640/0x640
[  463.279655]  ? check_preemption_disabled+0x48/0x280
[  463.284681]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.289616]  ? kasan_check_read+0x11/0x20
[  463.293770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.299052]  ? oom_evaluate_task+0x540/0x540
[  463.303472]  ? find_held_lock+0x36/0x1c0
[  463.307543]  ? out_of_memory+0x974/0x1430
[  463.311699]  ? lock_downgrade+0x900/0x900
[  463.315855]  ? check_preemption_disabled+0x48/0x280
[  463.320874]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.325822]  ? kasan_check_read+0x11/0x20
[  463.330449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.335731]  ? rcu_softirq_qs+0x20/0x20
[  463.339717]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.345254]  ? oom_evaluate_task+0x302/0x540
[  463.349668]  out_of_memory+0xa84/0x1430
[  463.353657]  ? oom_killer_disable+0x3a0/0x3a0
[  463.358156]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  463.363099]  ? __ww_mutex_check_waiters+0x160/0x160
[  463.368131]  __alloc_pages_slowpath+0x2354/0x2e10
[  463.373027]  ? warn_alloc+0x120/0x120
[  463.376828]  ? mark_held_locks+0x130/0x130
[  463.381070]  ? find_get_entry+0xaae/0x1120
[  463.385327]  ? filemap_map_pages+0x1a20/0x1a20
[  463.389930]  ? zap_class+0x640/0x640
[  463.393676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.399217]  ? check_preemption_disabled+0x48/0x280
[  463.404251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.409790]  ? should_fail+0x22d/0xd01
[  463.413698]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  463.418806]  ? zap_class+0x640/0x640
[  463.422546]  ? __lock_is_held+0xb5/0x140
[  463.426635]  ? mark_held_locks+0x130/0x130
[  463.430883]  ? lock_release+0xa00/0xa00
[  463.434871]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.440333]  ? xa_load+0x2ba/0x460
[  463.443922]  ? lock_downgrade+0x900/0x900
[  463.448095]  ? __might_sleep+0x95/0x190
[  463.452083]  __alloc_pages_nodemask+0xa80/0xde0
[  463.456761]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  463.461783]  ? __page_cache_alloc+0x191/0x5c0
[  463.466278]  ? xa_load+0x2e1/0x460
[  463.469825]  ? xa_clear_mark+0x40/0x40
[  463.473716]  ? zap_class+0x640/0x640
[  463.477436]  ? zap_class+0x640/0x640
[  463.481161]  ? zap_class+0x640/0x640
[  463.484891]  ? zap_class+0x640/0x640
[  463.488665]  ? __do_page_cache_readahead+0x663/0x810
[  463.493803]  ? find_held_lock+0x36/0x1c0
[  463.497883]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  463.503444]  alloc_pages_current+0x173/0x350
[  463.507868]  __page_cache_alloc+0x38c/0x5c0
[  463.512193]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.517128]  ? kasan_check_read+0x11/0x20
[  463.521304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.526610]  ? generic_perform_write+0x6a0/0x6a0
[  463.531372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.536963]  ? check_preemption_disabled+0x48/0x280
[  463.542001]  filemap_fault+0x1595/0x25f0
[  463.546082]  ? __lock_page_or_retry+0xa00/0xa00
[  463.550763]  ? mark_held_locks+0x130/0x130
[  463.555011]  ? filemap_map_pages+0xd6b/0x1a20
[  463.559522]  ? lock_downgrade+0x900/0x900
[  463.563697]  ? check_preemption_disabled+0x48/0x280
[  463.568722]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.573660]  ? kasan_check_read+0x11/0x20
[  463.577813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.583114]  ? rcu_softirq_qs+0x20/0x20
[  463.587114]  ? filemap_map_pages+0xd92/0x1a20
[  463.591617]  ? queue_work_on+0x12c/0x1e0
[  463.595686]  ? find_get_entries_tag+0x1400/0x1400
[  463.600535]  ? debug_object_destroy+0x2b0/0x2b0
[  463.605211]  ? lock_pi_update_atomic+0x150/0x150
[  463.609978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  463.615530]  ? lock_acquire+0x1ed/0x520
[  463.619538]  ? ext4_filemap_fault+0x7a/0xad
[  463.623887]  ? lock_release+0xa00/0xa00
[  463.627870]  ? perf_trace_sched_process_exec+0x860/0x860
[  463.633338]  ? print_usage_bug+0xc0/0xc0
[  463.637416]  ? print_usage_bug+0xc0/0xc0
[  463.641496]  ? down_read+0x8d/0x120
[  463.645126]  ? ext4_filemap_fault+0x7a/0xad
[  463.649462]  ? __down_interruptible+0x700/0x700
[  463.654146]  ext4_filemap_fault+0x82/0xad
[  463.658302]  __do_fault+0x100/0x6b0
[  463.661940]  ? find_held_lock+0x36/0x1c0
[  463.666006]  ? pmd_devmap_trans_unstable+0x220/0x220
[  463.671121]  ? mark_held_locks+0x130/0x130
[  463.675364]  ? mark_held_locks+0x130/0x130
[  463.679606]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.684102]  ? _raw_spin_unlock_irq+0x27/0x80
[  463.688601]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  463.693194]  ? kasan_check_read+0x11/0x20
[  463.697352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.702903]  __handle_mm_fault+0x3ea0/0x5be0
[  463.707335]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  463.712192]  ? finish_task_switch+0x1f4/0x910
[  463.716694]  ? finish_task_switch+0x1b4/0x910
[  463.721189]  ? __switch_to_asm+0x34/0x70
[  463.725260]  ? preempt_notifier_register+0x200/0x200
[  463.730367]  ? __switch_to_asm+0x34/0x70
[  463.734437]  ? __switch_to_asm+0x34/0x70
[  463.738514]  ? zap_class+0x640/0x640
[  463.742227]  ? zap_class+0x640/0x640
[  463.745944]  ? __x64_sys_futex+0x53e/0x6a0
[  463.750196]  ? find_held_lock+0x36/0x1c0
[  463.754272]  ? handle_mm_fault+0x42a/0xc70
[  463.758510]  ? lock_downgrade+0x900/0x900
[  463.762660]  ? check_preemption_disabled+0x48/0x280
[  463.767683]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  463.772619]  ? kasan_check_read+0x11/0x20
[  463.776776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  463.782053]  ? rcu_softirq_qs+0x20/0x20
[  463.786033]  ? trace_hardirqs_off_caller+0x310/0x310
[  463.791142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  463.796703]  ? check_preemption_disabled+0x48/0x280
[  463.801734]  handle_mm_fault+0x54f/0xc70
[  463.805804]  ? __handle_mm_fault+0x5be0/0x5be0
[  463.810398]  ? find_vma+0x34/0x190
[  463.813949]  __do_page_fault+0x5e8/0xe60
[  463.818017]  ? trace_hardirqs_off+0xb8/0x310
[  463.822444]  do_page_fault+0xf2/0x7e0
[  463.826249]  ? vmalloc_sync_all+0x30/0x30
[  463.830405]  ? error_entry+0x70/0xd0
[  463.834124]  ? trace_hardirqs_off_caller+0xbb/0x310
[  463.839149]  ? trace_hardirqs_on_caller+0xc0/0x310
[  463.844081]  ? syscall_return_slowpath+0x5e0/0x5e0
[  463.849013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.853866]  ? trace_hardirqs_on_caller+0x310/0x310
[  463.858891]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  463.864371]  ? prepare_exit_to_usermode+0x291/0x3b0
[  463.869410]  ? page_fault+0x8/0x30
[  463.872964]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  463.877811]  ? page_fault+0x8/0x30
[  463.881359]  page_fault+0x1e/0x30
[  463.884825] RIP: 0033:0x45ddf3
[  463.888038] Code: Bad RIP value.
[  463.891410] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  463.896784] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  463.904070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  463.911343] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  463.918624] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  463.925903] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  463.933209] Mem-Info:
[  463.933223] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  463.933235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  463.935653] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  463.935653]  active_file:15 inactive_file:15 isolated_file:0
[  463.935653]  unevictable:0 dirty:0 writeback:0 unstable:0
[  463.935653]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  463.935653]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  463.935653]  free:13750 free_pcp:296 free_cma:0
[  463.942912] Call Trace:
[  463.952303] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  463.985353]  <IRQ>
[  463.987925] 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
[  464.015438]  dump_stack+0x244/0x39d
[  464.017555] lowmem_reserve[]: 0 2818 6321 6321
[  464.043673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  464.047267] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  464.051854]  warn_alloc.cold.116+0xb7/0x1bd
[  464.057007] lowmem_reserve[]: 0 0 3503 3503
[  464.084513]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  464.088808] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  464.093127]  ? lock_downgrade+0x900/0x900
[  464.097939] lowmem_reserve[]: 0 0 0 0
[  464.126925]  ? trace_hardirqs_off+0xb8/0x310
[  464.131075] 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
[  464.134879]  ? trace_hardirqs_off+0xb8/0x310
[  464.139259] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  464.152786]  __alloc_pages_slowpath+0x26e8/0x2e10
[  464.157163] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  464.172708]  ? warn_alloc+0x120/0x120
[  464.177510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  464.191632]  ? warn_alloc+0x120/0x120
[  464.195417] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  464.204640]  ? warn_alloc+0x120/0x120
[  464.208457] 2335 total pagecache pages
[  464.217029]  ? print_usage_bug+0xc0/0xc0
[  464.220808] 0 pages in swap cache
[  464.224682]  ? print_usage_bug+0xc0/0xc0
[  464.228727] Swap cache stats: add 0, delete 0, find 0/0
[  464.232175]  ? ktime_get+0x2c1/0x400
[  464.236211] Free swap  = 0kB
[  464.241576]  ? check_preemption_disabled+0x48/0x280
[  464.245259] Total swap = 0kB
[  464.248276]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  464.253269] 1965979 pages RAM
[  464.256301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.260777] 0 pages HighMem/MovableOnly
[  464.263883]  ? should_fail+0x22d/0xd01
[  464.269401] 342853 pages reserved
[  464.273393]  ? kasan_check_read+0x11/0x20
[  464.277246] 0 pages cma reserved
[  464.277340] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  464.280705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.284897] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  464.288190]  ? __lock_acquire+0x62f/0x4c20
[  464.294656] syz-fuzzer cpuset=/ mems_allowed=0
[  464.299754]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  464.323848]  ? should_fail+0x22d/0xd01
[  464.327740]  ? print_usage_bug+0xc0/0xc0
[  464.331816]  ? mark_held_locks+0x130/0x130
[  464.336059]  ? mark_held_locks+0x130/0x130
[  464.340305]  ? check_preemption_disabled+0x48/0x280
[  464.345357]  ? zap_class+0x640/0x640
[  464.349080]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  464.353843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.359385]  ? check_preemption_disabled+0x48/0x280
[  464.364440]  ? __lock_is_held+0xb5/0x140
[  464.368523]  __alloc_pages_nodemask+0xa80/0xde0
[  464.373220]  ? zap_class+0x640/0x640
[  464.376957]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  464.382007]  ? find_held_lock+0x36/0x1c0
[  464.386096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  464.390768]  ? lock_downgrade+0x900/0x900
[  464.394942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.400516]  cache_grow_begin+0xa5/0x8c0
[  464.404579]  ? do_raw_spin_unlock+0xa7/0x330
[  464.408995]  fallback_alloc+0x204/0x2e0
[  464.412993]  ____cache_alloc_node+0x1c7/0x1e0
[  464.417497]  kmem_cache_alloc_node+0xe3/0x730
[  464.421998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  464.426609]  __alloc_skb+0x119/0x770
[  464.430338]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  464.435709]  ? netdev_alloc_frag+0x1f0/0x1f0
[  464.440129]  ? vprintk_default+0x28/0x30
[  464.444192]  ? vprintk_func+0x85/0x181
[  464.448081]  ? printk+0xa7/0xcf
[  464.451389]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  464.456160]  ? do_raw_spin_trylock+0x270/0x270
[  464.460752]  new_skb+0x26/0x1c0
[  464.464033]  aoecmd_cfg+0x279/0x7f0
[  464.467665]  ? find_held_lock+0x36/0x1c0
[  464.471736]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  464.476067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.481634]  ? __lock_is_held+0xb5/0x140
[  464.485719]  discover_timer+0x50/0x60
[  464.489525]  call_timer_fn+0x272/0x920
[  464.493424]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  464.498270]  ? process_timeout+0x40/0x40
[  464.502358]  ? __run_timers+0x7da/0xc70
[  464.506344]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.510846]  ? _raw_spin_unlock_irq+0x27/0x80
[  464.515354]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  464.520214]  ? lockdep_hardirqs_on+0x296/0x5b0
[  464.524802]  ? trace_hardirqs_on+0xbd/0x310
[  464.529130]  ? kasan_check_read+0x11/0x20
[  464.533280]  ? __run_timers+0x7da/0xc70
[  464.537264]  ? trace_hardirqs_off_caller+0x310/0x310
[  464.542385]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  464.547231]  __run_timers+0x7e5/0xc70
[  464.551042]  ? timer_fixup_init+0x70/0x70
[  464.555208]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  464.560241]  ? zap_class+0x640/0x640
[  464.563964]  ? enqueue_hrtimer+0x1a5/0x560
[  464.568203]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  464.573424]  ? find_held_lock+0x36/0x1c0
[  464.577498]  ? zap_class+0x640/0x640
[  464.581237]  ? pvclock_read_flags+0x160/0x160
[  464.585743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.591321]  ? check_preemption_disabled+0x48/0x280
[  464.596366]  ? __lock_is_held+0xb5/0x140
[  464.600469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.606016]  ? check_preemption_disabled+0x48/0x280
[  464.611050]  run_timer_softirq+0x52/0xb0
[  464.615124]  ? rcu_read_lock_sched_held+0x14f/0x180
[  464.620144]  __do_softirq+0x308/0xb7e
[  464.623954]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  464.628467]  ? lock_downgrade+0x900/0x900
[  464.632624]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  464.637748]  ? pvclock_read_flags+0x160/0x160
[  464.642260]  ? lapic_next_event+0x5a/0x90
[  464.646428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.651996]  ? kvm_clock_read+0x18/0x30
[  464.655992]  ? kvm_sched_clock_read+0x9/0x20
[  464.660413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.665973]  ? check_preemption_disabled+0x48/0x280
[  464.671014]  irq_exit+0x17f/0x1c0
[  464.674475]  smp_apic_timer_interrupt+0x1cb/0x760
[  464.679325]  ? smp_reschedule_interrupt+0x109/0x650
[  464.684363]  ? smp_call_function_single_interrupt+0x650/0x650
[  464.690248]  ? interrupt_entry+0xb5/0xc0
[  464.694321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.699344]  ? trace_hardirqs_off_caller+0xbb/0x310
[  464.704390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.709241]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.714256]  ? trace_hardirqs_on_caller+0x310/0x310
[  464.719279]  ? task_prio+0x50/0x50
[  464.722851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.728412]  ? check_preemption_disabled+0x48/0x280
[  464.733455]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  464.738325]  apic_timer_interrupt+0xf/0x20
[  464.742570]  </IRQ>
[  464.744816] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  464.749755] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  464.768675] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  464.776437] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  464.783712] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  464.790979] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  464.798256] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  464.805527] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  464.812848]  skb_clone+0x1bb/0x500
[  464.816399]  ? finish_task_switch+0x2f4/0x910
[  464.820907]  ? skb_split+0x11e0/0x11e0
[  464.824812]  ? preempt_notifier_register+0x200/0x200
[  464.829930]  ? __switch_to_asm+0x34/0x70
[  464.833994]  ? __switch_to_asm+0x34/0x70
[  464.838052]  ? __switch_to_asm+0x40/0x70
[  464.842110]  ? __switch_to_asm+0x34/0x70
[  464.846168]  ? __switch_to_asm+0x40/0x70
[  464.850239]  ? __switch_to_asm+0x34/0x70
[  464.854298]  ? __switch_to_asm+0x40/0x70
[  464.858372]  ? __switch_to_asm+0x34/0x70
[  464.862437]  ? __switch_to_asm+0x34/0x70
[  464.866500]  ? __switch_to_asm+0x40/0x70
[  464.870565]  ? __switch_to_asm+0x34/0x70
[  464.874636]  bpf_clone_redirect+0xb9/0x490
[  464.878874]  ? __schedule+0x8d7/0x21d0
[  464.882816]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  464.887839]  ? __sched_text_start+0x8/0x8
[  464.892002]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  464.896786]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  464.901370]  ? retint_kernel+0x2d/0x2d
[  464.905272]  ? find_held_lock+0x36/0x1c0
[  464.909350]  ? lock_acquire+0x1ed/0x520
[  464.913337]  ? bpf_test_run+0x3cb/0x780
[  464.917328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  464.922869]  ? check_preemption_disabled+0x48/0x280
[  464.927896]  ? kasan_check_read+0x11/0x20
[  464.932049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  464.937338]  ? rcu_softirq_qs+0x20/0x20
[  464.941325]  ? preempt_schedule+0x4d/0x60
[  464.945480]  ? ___preempt_schedule+0x16/0x18
[  464.949898]  ? bpf_test_run+0x25d/0x780
[  464.953886]  ? netlink_diag_dump+0x2a0/0x2a0
[  464.958303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  464.963858]  ? bpf_test_init.isra.10+0x70/0x100
[  464.968534]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  464.973304]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.978166]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  464.983707]  ? fput+0x130/0x1a0
[  464.986990]  ? __bpf_prog_get+0x9b/0x290
[  464.991060]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  464.995906]  ? bpf_prog_test_run+0x130/0x1a0
[  465.000328]  ? __x64_sys_bpf+0x3d8/0x520
[  465.004407]  ? bpf_prog_get+0x20/0x20
[  465.008237]  ? do_syscall_64+0x1b9/0x820
[  465.012324]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  465.017696]  ? syscall_return_slowpath+0x5e0/0x5e0
[  465.022627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.027478]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.032511]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  465.037539]  ? prepare_exit_to_usermode+0x291/0x3b0
[  465.042562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.047424]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  465.052812] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  465.052898] aoe: skb alloc failure
[  465.059755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  465.059761] Call Trace:
[  465.059769]  <IRQ>
[  465.059787]  dump_stack+0x244/0x39d
[  465.059808]  ? dump_stack_print_info.cold.1+0x20/0x20
[  465.063406] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  465.072713]  warn_alloc.cold.116+0xb7/0x1bd
[  465.075273] syz-executor1 cpuset=syz1 mems_allowed=0
[  465.077422]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  465.110929]  ? lock_downgrade+0x900/0x900
[  465.115111]  ? trace_hardirqs_off+0xb8/0x310
[  465.119530]  ? trace_hardirqs_off+0xb8/0x310
[  465.123951]  __alloc_pages_slowpath+0x26e8/0x2e10
[  465.128841]  ? warn_alloc+0x120/0x120
[  465.132648]  ? print_usage_bug+0xc0/0xc0
[  465.136711]  ? warn_alloc+0x120/0x120
[  465.140529]  ? warn_alloc+0x120/0x120
[  465.144342]  ? print_usage_bug+0xc0/0xc0
[  465.148421]  ? print_usage_bug+0xc0/0xc0
[  465.152508]  ? __lock_acquire+0x62f/0x4c20
[  465.156755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.162295]  ? should_fail+0x22d/0xd01
[  465.166200]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.171307]  ? __lock_acquire+0x62f/0x4c20
[  465.175562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  465.180667]  ? __lock_acquire+0x62f/0x4c20
[  465.184901]  ? should_fail+0x22d/0xd01
[  465.188792]  ? find_held_lock+0x36/0x1c0
[  465.192872]  ? mark_held_locks+0x130/0x130
[  465.197117]  ? mark_held_locks+0x130/0x130
[  465.201355]  ? zap_class+0x640/0x640
[  465.205074]  ? zap_class+0x640/0x640
[  465.208793]  ? print_usage_bug+0xc0/0xc0
[  465.212853]  ? do_raw_spin_unlock+0xa7/0x330
[  465.217260]  ? zap_class+0x640/0x640
[  465.220979]  ? print_usage_bug+0xc0/0xc0
[  465.225044]  ? wq_watchdog_touch+0x9c/0xfe
[  465.229284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.234837]  ? check_preemption_disabled+0x48/0x280
[  465.239863]  ? __lock_is_held+0xb5/0x140
[  465.243942]  __alloc_pages_nodemask+0xa80/0xde0
[  465.248617]  ? zap_class+0x640/0x640
[  465.252344]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  465.257377]  ? find_held_lock+0x36/0x1c0
[  465.261455]  ? ____cache_alloc_node+0x1c7/0x1e0
[  465.266127]  ? lock_downgrade+0x900/0x900
[  465.270305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.275887]  cache_grow_begin+0xa5/0x8c0
[  465.279967]  ? do_raw_spin_unlock+0xa7/0x330
[  465.284398]  fallback_alloc+0x204/0x2e0
[  465.288401]  ____cache_alloc_node+0x1c7/0x1e0
[  465.292904]  kmem_cache_alloc_node+0xe3/0x730
[  465.297419]  ? ipv6_get_ifaddr+0x42e/0x620
[  465.301688]  __alloc_skb+0x119/0x770
[  465.305403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.310700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  465.315127]  ? lock_downgrade+0x900/0x900
[  465.319285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.324858]  ? refcount_sub_and_test_checked+0x203/0x310
[  465.330795]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  465.336256]  ? addrconf_rs_timer+0x690/0x690
[  465.340690]  ndisc_alloc_skb+0x144/0x340
[  465.344765]  ndisc_send_rs+0x331/0x6e0
[  465.348660]  addrconf_rs_timer+0x314/0x690
[  465.352909]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.357170]  call_timer_fn+0x272/0x920
[  465.361057]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.365298]  ? process_timeout+0x40/0x40
[  465.369380]  ? mark_held_locks+0xc7/0x130
[  465.373538]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.378040]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.382548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.386792]  ? lockdep_hardirqs_on+0x296/0x5b0
[  465.391382]  ? trace_hardirqs_on+0xbd/0x310
[  465.395706]  ? kasan_check_read+0x11/0x20
[  465.399851]  ? __run_timers+0x7da/0xc70
[  465.403836]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.408950]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.413192]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  465.417426]  __run_timers+0x7e5/0xc70
[  465.421239]  ? timer_fixup_init+0x70/0x70
[  465.425393]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  465.430446]  ? zap_class+0x640/0x640
[  465.434165]  ? print_usage_bug+0xc0/0xc0
[  465.438231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  465.443435]  ? find_held_lock+0x36/0x1c0
[  465.447509]  ? zap_class+0x640/0x640
[  465.451237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.456792]  ? check_preemption_disabled+0x48/0x280
[  465.461837]  ? __lock_is_held+0xb5/0x140
[  465.465907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.471454]  ? check_preemption_disabled+0x48/0x280
[  465.476483]  run_timer_softirq+0x52/0xb0
[  465.480550]  ? rcu_read_lock_sched_held+0x14f/0x180
[  465.485590]  __do_softirq+0x308/0xb7e
[  465.489396]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  465.493908]  ? lock_downgrade+0x900/0x900
[  465.498067]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  465.503185]  ? pvclock_read_flags+0x160/0x160
[  465.507688]  ? lapic_next_event+0x5a/0x90
[  465.511843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.517387]  ? kvm_clock_read+0x18/0x30
[  465.521366]  ? kvm_sched_clock_read+0x9/0x20
[  465.525784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.531343]  ? check_preemption_disabled+0x48/0x280
[  465.536408]  irq_exit+0x17f/0x1c0
[  465.539884]  smp_apic_timer_interrupt+0x1cb/0x760
[  465.544735]  ? smp_reschedule_interrupt+0x109/0x650
[  465.549754]  ? smp_call_function_single_interrupt+0x650/0x650
[  465.555647]  ? interrupt_entry+0xb5/0xc0
[  465.559716]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.564738]  ? trace_hardirqs_off_caller+0xbb/0x310
[  465.569760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.574606]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.579626]  ? trace_hardirqs_on_caller+0x310/0x310
[  465.584646]  ? task_prio+0x50/0x50
[  465.588191]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.593735]  ? check_preemption_disabled+0x48/0x280
[  465.598763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  465.603616]  apic_timer_interrupt+0xf/0x20
[  465.607863]  </IRQ>
[  465.610102] RIP: 0010:console_unlock+0x102f/0x1190
[  465.615035] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  465.633940] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  465.641657] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  465.648935] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  465.656205] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  465.663476] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  465.670752] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  465.678030]  ? netconsole_netdev_event+0x280/0x280
[  465.682978]  ? console_unlock+0x1026/0x1190
[  465.687330]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  465.692000]  ? vprintk_emit+0x846/0x990
[  465.695989]  ? lock_release+0xa00/0xa00
[  465.699971]  ? trace_hardirqs_on+0x60/0x310
[  465.704296]  ? vprintk_default+0x28/0x30
[  465.708370]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.713485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.719030]  vprintk_emit+0x391/0x990
[  465.722839]  ? wake_up_klogd+0x180/0x180
[  465.726908]  ? find_held_lock+0x1/0x1c0
[  465.730903]  ? mark_held_locks+0xc7/0x130
[  465.735059]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.739581]  ? _raw_spin_unlock_irq+0x27/0x80
[  465.744089]  vprintk_default+0x28/0x30
[  465.747979]  vprintk_func+0x7e/0x181
[  465.751697]  printk+0xa7/0xcf
[  465.754813]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  465.759575]  ? _raw_spin_unlock_irq+0x60/0x80
[  465.764089]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  465.769382]  dump_header+0x7cc/0xf72
[  465.773112]  ? pagefault_out_of_memory+0x197/0x197
[  465.778055]  ? __lock_acquire+0x62f/0x4c20
[  465.782300]  ? percpu_ref_get_many+0x240/0x240
[  465.786897]  ? print_usage_bug+0xc0/0xc0
[  465.790971]  ? zap_class+0x640/0x640
[  465.794693]  ? print_usage_bug+0xc0/0xc0
[  465.798758]  ? zap_class+0x640/0x640
[  465.802487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  465.808030]  ? find_held_lock+0x36/0x1c0
[  465.812103]  ? mark_held_locks+0xc7/0x130
[  465.816260]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  465.821364]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  465.826473]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  465.831059]  ? trace_hardirqs_on+0xbd/0x310
[  465.835397]  ? kasan_check_read+0x11/0x20
[  465.839559]  ? ___ratelimit+0x3b4/0x672
[  465.843537]  ? trace_hardirqs_off_caller+0x310/0x310
[  465.848650]  ? trace_hardirqs_on+0x310/0x310
[  465.853062]  ? lock_downgrade+0x900/0x900
[  465.857219]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  465.862341]  ? ___ratelimit+0x3b9/0x672
[  465.866327]  ? idr_get_free+0xf70/0xf70
[  465.870306]  ? find_held_lock+0x36/0x1c0
[  465.874401]  oom_kill_process.cold.27+0x10/0x903
[  465.879165]  ? zap_class+0x640/0x640
[  465.882883]  ? check_preemption_disabled+0x48/0x280
[  465.887910]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  465.892849]  ? kasan_check_read+0x11/0x20
[  465.897000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.902283]  ? oom_evaluate_task+0x540/0x540
[  465.906705]  ? find_held_lock+0x36/0x1c0
[  465.910780]  ? out_of_memory+0x974/0x1430
[  465.914948]  ? lock_downgrade+0x900/0x900
[  465.919100]  ? check_preemption_disabled+0x48/0x280
[  465.924125]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  465.929060]  ? kasan_check_read+0x11/0x20
[  465.933212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  465.938498]  ? rcu_softirq_qs+0x20/0x20
[  465.942484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  465.948022]  ? oom_evaluate_task+0x302/0x540
[  465.952454]  out_of_memory+0xa84/0x1430
[  465.956455]  ? oom_killer_disable+0x3a0/0x3a0
[  465.960954]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  465.965898]  ? __ww_mutex_check_waiters+0x160/0x160
[  465.970938]  __alloc_pages_slowpath+0x2354/0x2e10
[  465.975822]  ? warn_alloc+0x120/0x120
[  465.979624]  ? mark_held_locks+0x130/0x130
[  465.983878]  ? find_get_entry+0xaae/0x1120
[  465.988127]  ? filemap_map_pages+0x1a20/0x1a20
[  465.992717]  ? zap_class+0x640/0x640
[  465.996443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.001984]  ? check_preemption_disabled+0x48/0x280
[  466.007014]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.012564]  ? should_fail+0x22d/0xd01
[  466.016462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.021568]  ? zap_class+0x640/0x640
[  466.025308]  ? __lock_is_held+0xb5/0x140
[  466.029392]  ? mark_held_locks+0x130/0x130
[  466.033637]  ? lock_release+0xa00/0xa00
[  466.037631]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.043087]  ? xa_load+0x2ba/0x460
[  466.046630]  ? lock_downgrade+0x900/0x900
[  466.050786]  ? __might_sleep+0x95/0x190
[  466.054772]  __alloc_pages_nodemask+0xa80/0xde0
[  466.059452]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  466.064475]  ? __page_cache_alloc+0x191/0x5c0
[  466.068974]  ? xa_load+0x2e1/0x460
[  466.072535]  ? xa_clear_mark+0x40/0x40
[  466.076424]  ? zap_class+0x640/0x640
[  466.080141]  ? zap_class+0x640/0x640
[  466.083869]  ? zap_class+0x640/0x640
[  466.087584]  ? zap_class+0x640/0x640
[  466.091322]  ? __do_page_cache_readahead+0x663/0x810
[  466.096439]  ? find_held_lock+0x36/0x1c0
[  466.100512]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  466.106059]  alloc_pages_current+0x173/0x350
[  466.110479]  __page_cache_alloc+0x38c/0x5c0
[  466.114805]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.119738]  ? kasan_check_read+0x11/0x20
[  466.123887]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.129189]  ? generic_perform_write+0x6a0/0x6a0
[  466.133958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.139500]  ? check_preemption_disabled+0x48/0x280
[  466.144526]  filemap_fault+0x1595/0x25f0
[  466.148605]  ? __lock_page_or_retry+0xa00/0xa00
[  466.153284]  ? mark_held_locks+0x130/0x130
[  466.157571]  ? filemap_map_pages+0xd6b/0x1a20
[  466.162081]  ? lock_downgrade+0x900/0x900
[  466.166229]  ? check_preemption_disabled+0x48/0x280
[  466.171250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.176185]  ? kasan_check_read+0x11/0x20
[  466.180340]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.185627]  ? rcu_softirq_qs+0x20/0x20
[  466.189615]  ? filemap_map_pages+0xd92/0x1a20
[  466.194118]  ? queue_work_on+0x12c/0x1e0
[  466.198180]  ? find_get_entries_tag+0x1400/0x1400
[  466.203026]  ? debug_object_destroy+0x2b0/0x2b0
[  466.207703]  ? lock_pi_update_atomic+0x150/0x150
[  466.212461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.218022]  ? lock_acquire+0x1ed/0x520
[  466.222004]  ? ext4_filemap_fault+0x7a/0xad
[  466.226340]  ? lock_release+0xa00/0xa00
[  466.230339]  ? perf_trace_sched_process_exec+0x860/0x860
[  466.235793]  ? print_usage_bug+0xc0/0xc0
[  466.239865]  ? print_usage_bug+0xc0/0xc0
[  466.243963]  ? down_read+0x8d/0x120
[  466.247628]  ? ext4_filemap_fault+0x7a/0xad
[  466.251957]  ? __down_interruptible+0x700/0x700
[  466.256636]  ext4_filemap_fault+0x82/0xad
[  466.260791]  __do_fault+0x100/0x6b0
[  466.264424]  ? find_held_lock+0x36/0x1c0
[  466.268492]  ? pmd_devmap_trans_unstable+0x220/0x220
[  466.273599]  ? mark_held_locks+0x130/0x130
[  466.277838]  ? mark_held_locks+0x130/0x130
[  466.282081]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.286597]  ? _raw_spin_unlock_irq+0x27/0x80
[  466.291099]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  466.295700]  ? kasan_check_read+0x11/0x20
[  466.299854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.305420]  __handle_mm_fault+0x3ea0/0x5be0
[  466.309850]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  466.314971]  ? finish_task_switch+0x1f4/0x910
[  466.319483]  ? finish_task_switch+0x1b4/0x910
[  466.323990]  ? __switch_to_asm+0x34/0x70
[  466.328073]  ? preempt_notifier_register+0x200/0x200
[  466.333178]  ? __switch_to_asm+0x34/0x70
[  466.337244]  ? __switch_to_asm+0x34/0x70
[  466.341328]  ? zap_class+0x640/0x640
[  466.345050]  ? zap_class+0x640/0x640
[  466.348764]  ? __x64_sys_futex+0x53e/0x6a0
[  466.353005]  ? find_held_lock+0x36/0x1c0
[  466.357078]  ? handle_mm_fault+0x42a/0xc70
[  466.361327]  ? lock_downgrade+0x900/0x900
[  466.365484]  ? check_preemption_disabled+0x48/0x280
[  466.370508]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  466.375453]  ? kasan_check_read+0x11/0x20
[  466.379623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  466.384905]  ? rcu_softirq_qs+0x20/0x20
[  466.388895]  ? trace_hardirqs_off_caller+0x310/0x310
[  466.394007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.399555]  ? check_preemption_disabled+0x48/0x280
[  466.404582]  handle_mm_fault+0x54f/0xc70
[  466.408658]  ? __handle_mm_fault+0x5be0/0x5be0
[  466.413247]  ? find_vma+0x34/0x190
[  466.416810]  __do_page_fault+0x5e8/0xe60
[  466.420875]  ? trace_hardirqs_off+0xb8/0x310
[  466.425295]  do_page_fault+0xf2/0x7e0
[  466.429108]  ? vmalloc_sync_all+0x30/0x30
[  466.433260]  ? error_entry+0x70/0xd0
[  466.436983]  ? trace_hardirqs_off_caller+0xbb/0x310
[  466.442006]  ? trace_hardirqs_on_caller+0xc0/0x310
[  466.446945]  ? syscall_return_slowpath+0x5e0/0x5e0
[  466.451877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.456726]  ? trace_hardirqs_on_caller+0x310/0x310
[  466.461750]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  466.467211]  ? prepare_exit_to_usermode+0x291/0x3b0
[  466.472232]  ? page_fault+0x8/0x30
[  466.475781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  466.480643]  ? page_fault+0x8/0x30
[  466.484192]  page_fault+0x1e/0x30
[  466.487646] RIP: 0033:0x45ddf3
[  466.490856] Code: Bad RIP value.
[  466.494228] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  466.499597] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  466.506866] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  466.514135] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  466.521438] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  466.528712] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  466.536005] warn_alloc_show_mem: 1 callbacks suppressed
[  466.536017] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  466.536019] Mem-Info:
[  466.536052] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  466.536052]  active_file:15 inactive_file:15 isolated_file:0
[  466.536052]  unevictable:0 dirty:0 writeback:0 unstable:0
[  466.536052]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  466.536052]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  466.536052]  free:13750 free_pcp:296 free_cma:0
[  466.541395] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  466.548689] Node 0 active_anon:140156kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:98312kB dirty:0kB writeback:0kB shmem:9220kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 12288kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  466.551086] Call Trace:
[  466.584141] 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
[  466.593489]  <IRQ>
[  466.620964] lowmem_reserve[]: 0 2818 6321 6321
[  466.623561]  dump_stack+0x244/0x39d
[  466.649657] Node 0 DMA32 free:25188kB min:30052kB low:37564kB high:45076kB active_anon:220kB 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
[  466.651811]  ? dump_stack_print_info.cold.1+0x20/0x20
[  466.656361] lowmem_reserve[]: 0 0 3503 3503
[  466.660007]  warn_alloc.cold.116+0xb7/0x1bd
[  466.687473] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:139936kB inactive_anon:9012kB active_file:60kB inactive_file:60kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:6720kB pagetables:1928kB bounce:0kB free_pcp:936kB local_pcp:464kB free_cma:0kB
[  466.692660]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  466.696970] lowmem_reserve[]: 0 0 0 0
[  466.701299]  ? lock_downgrade+0x900/0x900
[  466.730246] 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
[  466.735106]  ? trace_hardirqs_off+0xb8/0x310
[  466.738908] Node 0 DMA32: 1*4kB (M) 2*8kB (MH) 1*16kB (U) 4*32kB (MH) 5*64kB (UM) 5*128kB (MH) 6*256kB (UMH) 6*512kB (UMH) 3*1024kB (M) 2*2048kB (UM) 3*4096kB (M) = 25188kB
[  466.743052]  ? trace_hardirqs_off+0xb8/0x310
[  466.756547] Node 0 Normal: 472*4kB (UME) 438*8kB (MEH) 290*16kB (MEH) 105*32kB (UMH) 0*64kB 0*128kB 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13904kB
[  466.760955]  __alloc_pages_slowpath+0x26e8/0x2e10
[  466.776456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  466.780874]  ? warn_alloc+0x120/0x120
[  466.794973] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  466.799810]  ? warn_alloc+0x120/0x120
[  466.808645] 2335 total pagecache pages
[  466.812450]  ? __lock_acquire+0x62f/0x4c20
[  466.821017] 0 pages in swap cache
[  466.824806]  ? warn_alloc+0x120/0x120
[  466.828671] Swap cache stats: add 0, delete 0, find 0/0
[  466.832916]  ? print_usage_bug+0xc0/0xc0
[  466.836349] Free swap  = 0kB
[  466.840144]  ? print_usage_bug+0xc0/0xc0
[  466.845483] Total swap = 0kB
[  466.849537]  ? mark_held_locks+0x130/0x130
[  466.852538] 1965979 pages RAM
[  466.856621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  466.859609] 0 pages HighMem/MovableOnly
[  466.859618] 342853 pages reserved
[  466.863859]  ? should_fail+0x22d/0xd01
[  466.866941] 0 pages cma reserved
[  466.872499]  ? zap_class+0x640/0x640
[  466.876532] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  466.879928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.883926] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  466.887192]  ? __lock_acquire+0x62f/0x4c20
[  466.890891] syz-fuzzer cpuset=/ mems_allowed=0
[  466.897377]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  466.926559]  ? should_fail+0x22d/0xd01
[  466.930466]  ? mark_held_locks+0x130/0x130
[  466.934706]  ? mark_held_locks+0x130/0x130
[  466.938954]  ? lock_downgrade+0x900/0x900
[  466.943108]  ? zap_class+0x640/0x640
[  466.946823]  ? zap_class+0x640/0x640
[  466.950552]  ? zap_class+0x640/0x640
[  466.954285]  ? do_raw_spin_unlock+0xa7/0x330
[  466.958717]  ? trace_hardirqs_on+0x310/0x310
[  466.963127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.968701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  466.974258]  ? check_preemption_disabled+0x48/0x280
[  466.979288]  ? __lock_is_held+0xb5/0x140
[  466.983387]  __alloc_pages_nodemask+0xa80/0xde0
[  466.988063]  ? zap_class+0x640/0x640
[  466.991789]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  466.996819]  ? find_held_lock+0x36/0x1c0
[  467.000893]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.005576]  ? lock_downgrade+0x900/0x900
[  467.009750]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.015297]  cache_grow_begin+0xa5/0x8c0
[  467.019370]  ? do_raw_spin_unlock+0xa7/0x330
[  467.023820]  fallback_alloc+0x204/0x2e0
[  467.027805]  ____cache_alloc_node+0x1c7/0x1e0
[  467.032309]  kmem_cache_alloc_node+0xe3/0x730
[  467.036821]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.041457]  __alloc_skb+0x119/0x770
[  467.045185]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  467.050554]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.054972]  ? vprintk_default+0x28/0x30
[  467.059038]  ? vprintk_func+0x85/0x181
[  467.062926]  ? printk+0xa7/0xcf
[  467.066206]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  467.070984]  ? do_raw_spin_trylock+0x270/0x270
[  467.075572]  new_skb+0x26/0x1c0
[  467.078858]  aoecmd_cfg+0x279/0x7f0
[  467.082487]  ? find_held_lock+0x36/0x1c0
[  467.086554]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  467.090882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.096442]  ? __lock_is_held+0xb5/0x140
[  467.100522]  discover_timer+0x50/0x60
[  467.104333]  call_timer_fn+0x272/0x920
[  467.108223]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  467.113067]  ? process_timeout+0x40/0x40
[  467.117141]  ? __run_timers+0x7da/0xc70
[  467.121119]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.125619]  ? _raw_spin_unlock_irq+0x27/0x80
[  467.130129]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  467.134973]  ? lockdep_hardirqs_on+0x296/0x5b0
[  467.139562]  ? trace_hardirqs_on+0xbd/0x310
[  467.143908]  ? kasan_check_read+0x11/0x20
[  467.148060]  ? __run_timers+0x7da/0xc70
[  467.152049]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.157166]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  467.162008]  __run_timers+0x7e5/0xc70
[  467.165829]  ? timer_fixup_init+0x70/0x70
[  467.169984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  467.175004]  ? zap_class+0x640/0x640
[  467.178728]  ? enqueue_hrtimer+0x1a5/0x560
[  467.182970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  467.188169]  ? find_held_lock+0x36/0x1c0
[  467.192262]  ? zap_class+0x640/0x640
[  467.195983]  ? pvclock_read_flags+0x160/0x160
[  467.200497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.206044]  ? check_preemption_disabled+0x48/0x280
[  467.211075]  ? __lock_is_held+0xb5/0x140
[  467.215139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.220677]  ? check_preemption_disabled+0x48/0x280
[  467.225701]  run_timer_softirq+0x52/0xb0
[  467.229764]  ? rcu_read_lock_sched_held+0x14f/0x180
[  467.234786]  __do_softirq+0x308/0xb7e
[  467.238599]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  467.243110]  ? lock_downgrade+0x900/0x900
[  467.247263]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  467.252394]  ? pvclock_read_flags+0x160/0x160
[  467.256900]  ? lapic_next_event+0x5a/0x90
[  467.261054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.266599]  ? kvm_clock_read+0x18/0x30
[  467.270573]  ? kvm_sched_clock_read+0x9/0x20
[  467.274987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.280530]  ? check_preemption_disabled+0x48/0x280
[  467.285557]  irq_exit+0x17f/0x1c0
[  467.289015]  smp_apic_timer_interrupt+0x1cb/0x760
[  467.293859]  ? smp_reschedule_interrupt+0x109/0x650
[  467.298879]  ? smp_call_function_single_interrupt+0x650/0x650
[  467.304773]  ? interrupt_entry+0xb5/0xc0
[  467.308857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.313873]  ? trace_hardirqs_off_caller+0xbb/0x310
[  467.318935]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.323822]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.328840]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.334015]  ? task_prio+0x50/0x50
[  467.337563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.343104]  ? check_preemption_disabled+0x48/0x280
[  467.348146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.353007]  apic_timer_interrupt+0xf/0x20
[  467.357234]  </IRQ>
[  467.359480] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  467.364414] Code: 7e 0f 85 cf fe ff ff e8 c6 fd 3d ff e9 c5 fe ff ff e8 3d 33 c3 ff 48 83 3d 45 7c 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 ac
[  467.383324] RSP: 0000:ffff880170fd7738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  467.391062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  467.398336] RDX: 0000000000000000 RSI: ffff8801b8332f00 RDI: 0000000000000286
[  467.405638] RBP: ffff880170fd77a0 R08: ffff8801b8332680 R09: 0000000000000000
[  467.412912] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  467.420179] R13: ffff8801d9beec00 R14: ffff8801d9beec00 R15: 0000000000480020
[  467.427506]  skb_clone+0x1bb/0x500
[  467.431064]  ? finish_task_switch+0x2f4/0x910
[  467.435567]  ? skb_split+0x11e0/0x11e0
[  467.439461]  ? preempt_notifier_register+0x200/0x200
[  467.444568]  ? __switch_to_asm+0x34/0x70
[  467.448630]  ? __switch_to_asm+0x34/0x70
[  467.452693]  ? __switch_to_asm+0x40/0x70
[  467.456753]  ? __switch_to_asm+0x34/0x70
[  467.460818]  ? __switch_to_asm+0x40/0x70
[  467.464880]  ? __switch_to_asm+0x34/0x70
[  467.468940]  ? __switch_to_asm+0x40/0x70
[  467.473002]  ? __switch_to_asm+0x34/0x70
[  467.477062]  ? __switch_to_asm+0x34/0x70
[  467.481120]  ? __switch_to_asm+0x40/0x70
[  467.485191]  ? __switch_to_asm+0x34/0x70
[  467.489258]  bpf_clone_redirect+0xb9/0x490
[  467.493498]  ? __schedule+0x8d7/0x21d0
[  467.497408]  bpf_prog_bebbfe2050753572+0xb46/0x1000
[  467.502456]  ? __sched_text_start+0x8/0x8
[  467.506609]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  467.511378]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  467.515971]  ? retint_kernel+0x2d/0x2d
[  467.519878]  ? find_held_lock+0x36/0x1c0
[  467.523964]  ? lock_acquire+0x1ed/0x520
[  467.527943]  ? bpf_test_run+0x3cb/0x780
[  467.531946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.537504]  ? check_preemption_disabled+0x48/0x280
[  467.542535]  ? kasan_check_read+0x11/0x20
[  467.546720]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  467.552007]  ? rcu_softirq_qs+0x20/0x20
[  467.555986]  ? preempt_schedule+0x4d/0x60
[  467.560139]  ? ___preempt_schedule+0x16/0x18
[  467.564555]  ? bpf_test_run+0x25d/0x780
[  467.568543]  ? netlink_diag_dump+0x2a0/0x2a0
[  467.572985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.578533]  ? bpf_test_init.isra.10+0x70/0x100
[  467.583215]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  467.588084]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  467.592930]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  467.598473]  ? fput+0x130/0x1a0
[  467.601768]  ? __bpf_prog_get+0x9b/0x290
[  467.605833]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  467.610678]  ? bpf_prog_test_run+0x130/0x1a0
[  467.615128]  ? __x64_sys_bpf+0x3d8/0x520
[  467.619197]  ? bpf_prog_get+0x20/0x20
[  467.623122]  ? do_syscall_64+0x1b9/0x820
[  467.627184]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  467.632554]  ? syscall_return_slowpath+0x5e0/0x5e0
[  467.637487]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.642346]  ? trace_hardirqs_on_caller+0x310/0x310
[  467.647398]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  467.652428]  ? prepare_exit_to_usermode+0x291/0x3b0
[  467.657461]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  467.662337]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  467.667741] CPU: 1 PID: 6017 Comm: syz-fuzzer Not tainted 4.20.0-rc1+ #83
[  467.667831] aoe: skb alloc failure
[  467.674676] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  467.674684] Call Trace:
[  467.678294] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  467.687563]  <IRQ>
[  467.690133] syz-executor1 cpuset=syz1 mems_allowed=0
[  467.700643]  dump_stack+0x244/0x39d
[  467.711503]  ? dump_stack_print_info.cold.1+0x20/0x20
[  467.716728]  warn_alloc.cold.116+0xb7/0x1bd
[  467.721061]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  467.725909]  ? lock_downgrade+0x900/0x900
[  467.730074]  ? trace_hardirqs_off+0xb8/0x310
[  467.734496]  ? trace_hardirqs_off+0xb8/0x310
[  467.738921]  __alloc_pages_slowpath+0x26e8/0x2e10
[  467.743800]  ? warn_alloc+0x120/0x120
[  467.747612]  ? warn_alloc+0x120/0x120
[  467.751422]  ? warn_alloc+0x120/0x120
[  467.755224]  ? __lock_acquire+0x62f/0x4c20
[  467.759477]  ? print_usage_bug+0xc0/0xc0
[  467.763543]  ? find_held_lock+0x36/0x1c0
[  467.767613]  ? print_usage_bug+0xc0/0xc0
[  467.771687]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  467.777232]  ? should_fail+0x22d/0xd01
[  467.781136]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.786247]  ? __lock_acquire+0x62f/0x4c20
[  467.790487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  467.795593]  ? should_fail+0x22d/0xd01
[  467.799480]  ? mark_held_locks+0x130/0x130
[  467.803726]  ? mark_held_locks+0x130/0x130
[  467.807970]  ? mark_held_locks+0x130/0x130
[  467.812211]  ? print_usage_bug+0xc0/0xc0
[  467.816284]  ? find_held_lock+0x36/0x1c0
[  467.820477]  ? zap_class+0x640/0x640
[  467.824203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.829753]  ? check_preemption_disabled+0x48/0x280
[  467.834779]  ? __lock_is_held+0xb5/0x140
[  467.838853]  __alloc_pages_nodemask+0xa80/0xde0
[  467.843547]  ? zap_class+0x640/0x640
[  467.847267]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  467.852299]  ? find_held_lock+0x36/0x1c0
[  467.856388]  ? ____cache_alloc_node+0x1c7/0x1e0
[  467.861082]  ? lock_downgrade+0x900/0x900
[  467.865260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.870822]  cache_grow_begin+0xa5/0x8c0
[  467.874888]  ? do_raw_spin_unlock+0xa7/0x330
[  467.879312]  fallback_alloc+0x204/0x2e0
[  467.883302]  ____cache_alloc_node+0x1c7/0x1e0
[  467.887815]  kmem_cache_alloc_node+0xe3/0x730
[  467.892336]  ? mark_held_locks+0xc7/0x130
[  467.896505]  __alloc_skb+0x119/0x770
[  467.900253]  ? netdev_alloc_frag+0x1f0/0x1f0
[  467.904669]  ? do_raw_spin_trylock+0x270/0x270
[  467.909255]  ? kmem_cache_alloc_trace+0x353/0x750
[  467.914103]  ? queue_work_on+0x12c/0x1e0
[  467.918178]  ? switchdev_port_obj_del+0xdc/0x440
[  467.922941]  ? switchdev_trans_item_enqueue+0x260/0x260
[  467.928323]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  467.933353]  __br_mdb_notify+0x4ff/0x15d0
[  467.937514]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  467.942627]  ? __br_mdb_add+0x7f0/0x7f0
[  467.946614]  ? mark_held_locks+0x130/0x130
[  467.950855]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  467.955976]  ? debug_object_assert_init+0x368/0x4b0
[  467.961002]  ? trace_hardirqs_off_caller+0x310/0x310
[  467.966110]  ? debug_object_init_on_stack+0x20/0x20
[  467.971127]  ? zap_class+0x640/0x640
[  467.974845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  467.980406]  br_mdb_notify+0x310/0x410
[  467.984301]  ? br_mdb_dump+0x27b0/0x27b0
[  467.988414]  br_multicast_del_pg+0x3df/0x790
[  467.992831]  ? br_mdb_ip_get+0x940/0x940
[  467.996896]  ? rwlock_bug.part.2+0x90/0x90
[  468.001175]  ? __lock_is_held+0xb5/0x140
[  468.005255]  br_multicast_port_group_expired+0x189/0x1e0
[  468.010714]  call_timer_fn+0x272/0x920
[  468.014617]  ? br_multicast_del_pg+0x790/0x790
[  468.019206]  ? process_timeout+0x40/0x40
[  468.023282]  ? mark_held_locks+0xc7/0x130
[  468.027443]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.031946]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.036453]  ? br_multicast_del_pg+0x790/0x790
[  468.041040]  ? lockdep_hardirqs_on+0x296/0x5b0
[  468.045628]  ? trace_hardirqs_on+0xbd/0x310
[  468.049957]  ? kasan_check_read+0x11/0x20
[  468.054137]  ? __run_timers+0x7da/0xc70
[  468.058130]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.063240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  468.067485]  ? br_multicast_del_pg+0x790/0x790
[  468.072065]  __run_timers+0x7e5/0xc70
[  468.075879]  ? timer_fixup_init+0x70/0x70
[  468.080034]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  468.085055]  ? zap_class+0x640/0x640
[  468.088779]  ? print_usage_bug+0xc0/0xc0
[  468.092847]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  468.098053]  ? find_held_lock+0x36/0x1c0
[  468.102121]  ? zap_class+0x640/0x640
[  468.105846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.111507]  ? check_preemption_disabled+0x48/0x280
[  468.116537]  ? __lock_is_held+0xb5/0x140
[  468.120602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.126143]  ? check_preemption_disabled+0x48/0x280
[  468.131168]  run_timer_softirq+0x52/0xb0
[  468.135234]  ? rcu_read_lock_sched_held+0x14f/0x180
[  468.140254]  __do_softirq+0x308/0xb7e
[  468.144062]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  468.148572]  ? lock_downgrade+0x900/0x900
[  468.152726]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  468.157841]  ? pvclock_read_flags+0x160/0x160
[  468.162350]  ? lapic_next_event+0x5a/0x90
[  468.166506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.172052]  ? kvm_clock_read+0x18/0x30
[  468.176030]  ? kvm_sched_clock_read+0x9/0x20
[  468.180456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.185998]  ? check_preemption_disabled+0x48/0x280
[  468.191029]  irq_exit+0x17f/0x1c0
[  468.194491]  smp_apic_timer_interrupt+0x1cb/0x760
[  468.199711]  ? smp_reschedule_interrupt+0x109/0x650
[  468.204730]  ? smp_call_function_single_interrupt+0x650/0x650
[  468.210615]  ? interrupt_entry+0xb5/0xc0
[  468.214693]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.219712]  ? trace_hardirqs_off_caller+0xbb/0x310
[  468.224730]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.229583]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.234601]  ? trace_hardirqs_on_caller+0x310/0x310
[  468.239620]  ? task_prio+0x50/0x50
[  468.243164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.248704]  ? check_preemption_disabled+0x48/0x280
[  468.253747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  468.258618]  apic_timer_interrupt+0xf/0x20
[  468.262847]  </IRQ>
[  468.265088] RIP: 0010:console_unlock+0x102f/0x1190
[  468.270020] Code: b0 fb 51 89 48 89 f8 48 c1 e8 03 42 80 3c 20 00 75 36 48 83 3d 51 79 ec 07 00 74 25 e8 5a 08 1a 00 48 8b bd b0 fe ff ff 57 9d <0f> 1f 44 00 00 e9 9a f8 ff ff 4c 89 ef e8 7f 55 5d 00 e9 f2 fb ff
[  468.288925] RSP: 0000:ffff8801c1fbde40 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  468.296634] RAX: ffff8801c2252280 RBX: 0000000000000200 RCX: 1ffff1003844a573
[  468.303901] RDX: 0000000000000000 RSI: ffffffff81658266 RDI: 0000000000000293
[  468.311176] RBP: ffff8801c1fbdfb0 R08: ffff8801c2252b98 R09: 0000000000000006
[  468.318446] R10: 0000000000000000 R11: ffff8801c2252280 R12: dffffc0000000000
[  468.325723] R13: ffffffff849c9db0 R14: dffffc0000000000 R15: ffffffff89b63610
[  468.333004]  ? netconsole_netdev_event+0x280/0x280
[  468.337946]  ? console_unlock+0x1026/0x1190
[  468.342289]  ? kmsg_dump_get_buffer+0xac0/0xac0
[  468.346978]  ? vprintk_emit+0x846/0x990
[  468.350961]  ? lock_release+0xa00/0xa00
[  468.354944]  ? trace_hardirqs_on+0x60/0x310
[  468.359287]  ? vprintk_default+0x28/0x30
[  468.363358]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.368469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.374034]  vprintk_emit+0x391/0x990
[  468.377841]  ? wake_up_klogd+0x180/0x180
[  468.381909]  ? find_held_lock+0x1/0x1c0
[  468.385900]  ? mark_held_locks+0xc7/0x130
[  468.390057]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.394570]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.399078]  vprintk_default+0x28/0x30
[  468.402970]  vprintk_func+0x7e/0x181
[  468.406690]  printk+0xa7/0xcf
[  468.409826]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  468.414607]  ? _raw_spin_unlock_irq+0x60/0x80
[  468.419144]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  468.424431]  dump_header+0x7cc/0xf72
[  468.428160]  ? pagefault_out_of_memory+0x197/0x197
[  468.433124]  ? __lock_acquire+0x62f/0x4c20
[  468.437366]  ? percpu_ref_get_many+0x240/0x240
[  468.441959]  ? print_usage_bug+0xc0/0xc0
[  468.446027]  ? zap_class+0x640/0x640
[  468.449761]  ? print_usage_bug+0xc0/0xc0
[  468.453824]  ? zap_class+0x640/0x640
[  468.457553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.463094]  ? find_held_lock+0x36/0x1c0
[  468.467181]  ? mark_held_locks+0xc7/0x130
[  468.471382]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.476494]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  468.481604]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.486194]  ? trace_hardirqs_on+0xbd/0x310
[  468.490529]  ? kasan_check_read+0x11/0x20
[  468.494679]  ? ___ratelimit+0x3b4/0x672
[  468.498656]  ? trace_hardirqs_off_caller+0x310/0x310
[  468.503760]  ? trace_hardirqs_on+0x310/0x310
[  468.508172]  ? lock_downgrade+0x900/0x900
[  468.512357]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  468.517464]  ? ___ratelimit+0x3b9/0x672
[  468.521444]  ? idr_get_free+0xf70/0xf70
[  468.525422]  ? find_held_lock+0x36/0x1c0
[  468.529505]  oom_kill_process.cold.27+0x10/0x903
[  468.534283]  ? zap_class+0x640/0x640
[  468.538040]  ? check_preemption_disabled+0x48/0x280
[  468.543064]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.548009]  ? kasan_check_read+0x11/0x20
[  468.552186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.557482]  ? oom_evaluate_task+0x540/0x540
[  468.561897]  ? find_held_lock+0x36/0x1c0
[  468.566005]  ? out_of_memory+0x974/0x1430
[  468.570210]  ? lock_downgrade+0x900/0x900
[  468.574359]  ? check_preemption_disabled+0x48/0x280
[  468.579408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.584359]  ? kasan_check_read+0x11/0x20
[  468.588513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.593792]  ? rcu_softirq_qs+0x20/0x20
[  468.597774]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.603312]  ? oom_evaluate_task+0x302/0x540
[  468.607734]  out_of_memory+0xa84/0x1430
[  468.611721]  ? oom_killer_disable+0x3a0/0x3a0
[  468.616226]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  468.621167]  ? __ww_mutex_check_waiters+0x160/0x160
[  468.626227]  __alloc_pages_slowpath+0x2354/0x2e10
[  468.631101]  ? warn_alloc+0x120/0x120
[  468.634902]  ? mark_held_locks+0x130/0x130
[  468.639161]  ? find_get_entry+0xaae/0x1120
[  468.643408]  ? filemap_map_pages+0x1a20/0x1a20
[  468.648003]  ? zap_class+0x640/0x640
[  468.651726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.657297]  ? check_preemption_disabled+0x48/0x280
[  468.662334]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.667874]  ? should_fail+0x22d/0xd01
[  468.671771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  468.676883]  ? zap_class+0x640/0x640
[  468.680630]  ? __lock_is_held+0xb5/0x140
[  468.684699]  ? mark_held_locks+0x130/0x130
[  468.688960]  ? lock_release+0xa00/0xa00
[  468.692956]  ? perf_trace_sched_process_exec+0x860/0x860
[  468.698409]  ? xa_load+0x2ba/0x460
[  468.702003]  ? lock_downgrade+0x900/0x900
[  468.706165]  ? __might_sleep+0x95/0x190
[  468.710151]  __alloc_pages_nodemask+0xa80/0xde0
[  468.714827]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  468.719857]  ? __page_cache_alloc+0x191/0x5c0
[  468.724354]  ? xa_load+0x2e1/0x460
[  468.727903]  ? xa_clear_mark+0x40/0x40
[  468.731815]  ? zap_class+0x640/0x640
[  468.735569]  ? zap_class+0x640/0x640
[  468.739301]  ? zap_class+0x640/0x640
[  468.743026]  ? zap_class+0x640/0x640
[  468.746759]  ? __do_page_cache_readahead+0x663/0x810
[  468.751875]  ? find_held_lock+0x36/0x1c0
[  468.755948]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  468.761498]  alloc_pages_current+0x173/0x350
[  468.765945]  __page_cache_alloc+0x38c/0x5c0
[  468.770289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.775256]  ? kasan_check_read+0x11/0x20
[  468.779428]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.784713]  ? generic_perform_write+0x6a0/0x6a0
[  468.789479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.795020]  ? check_preemption_disabled+0x48/0x280
[  468.800047]  filemap_fault+0x1595/0x25f0
[  468.804122]  ? __lock_page_or_retry+0xa00/0xa00
[  468.808803]  ? mark_held_locks+0x130/0x130
[  468.813080]  ? filemap_map_pages+0xd6b/0x1a20
[  468.817581]  ? lock_downgrade+0x900/0x900
[  468.821737]  ? check_preemption_disabled+0x48/0x280
[  468.826763]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  468.831695]  ? kasan_check_read+0x11/0x20
[  468.835847]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  468.841128]  ? rcu_softirq_qs+0x20/0x20
[  468.845116]  ? filemap_map_pages+0xd92/0x1a20
[  468.849626]  ? queue_work_on+0x12c/0x1e0
[  468.853701]  ? find_get_entries_tag+0x1400/0x1400
[  468.858559]  ? debug_object_destroy+0x2b0/0x2b0
[  468.863253]  ? lock_pi_update_atomic+0x150/0x150
[  468.868012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  468.873573]  ? lock_acquire+0x1ed/0x520
[  468.877549]  ? ext4_filemap_fault+0x7a/0xad
[  468.881882]  ? lock_release+0xa00/0xa00
[  468.885877]  ? perf_trace_sched_process_exec+0x860/0x860
[  468.891358]  ? print_usage_bug+0xc0/0xc0
[  468.895421]  ? print_usage_bug+0xc0/0xc0
[  468.899511]  ? down_read+0x8d/0x120
[  468.903138]  ? ext4_filemap_fault+0x7a/0xad
[  468.907463]  ? __down_interruptible+0x700/0x700
[  468.912144]  ext4_filemap_fault+0x82/0xad
[  468.916298]  __do_fault+0x100/0x6b0
[  468.919936]  ? find_held_lock+0x36/0x1c0
[  468.924019]  ? pmd_devmap_trans_unstable+0x220/0x220
[  468.929128]  ? mark_held_locks+0x130/0x130
[  468.933382]  ? mark_held_locks+0x130/0x130
[  468.937633]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.942128]  ? _raw_spin_unlock_irq+0x27/0x80
[  468.946633]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  468.951222]  ? kasan_check_read+0x11/0x20
[  468.955373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  468.960925]  __handle_mm_fault+0x3ea0/0x5be0
[  468.965354]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  468.970208]  ? finish_task_switch+0x1f4/0x910
[  468.974704]  ? finish_task_switch+0x1b4/0x910
[  468.979207]  ? __switch_to_asm+0x34/0x70
[  468.983292]  ? preempt_notifier_register+0x200/0x200
[  468.988420]  ? __switch_to_asm+0x34/0x70
[  468.992499]  ? __switch_to_asm+0x34/0x70
[  468.996580]  ? zap_class+0x640/0x640
[  469.000298]  ? zap_class+0x640/0x640
[  469.004027]  ? __x64_sys_futex+0x53e/0x6a0
[  469.008270]  ? find_held_lock+0x36/0x1c0
[  469.012352]  ? handle_mm_fault+0x42a/0xc70
[  469.016591]  ? lock_downgrade+0x900/0x900
[  469.020744]  ? check_preemption_disabled+0x48/0x280
[  469.025766]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  469.030701]  ? kasan_check_read+0x11/0x20
[  469.034855]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  469.040140]  ? rcu_softirq_qs+0x20/0x20
[  469.044117]  ? trace_hardirqs_off_caller+0x310/0x310
[  469.049223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  469.054766]  ? check_preemption_disabled+0x48/0x280
[  469.059818]  handle_mm_fault+0x54f/0xc70
[  469.063886]  ? __handle_mm_fault+0x5be0/0x5be0
[  469.068499]  ? find_vma+0x34/0x190
[  469.072047]  __do_page_fault+0x5e8/0xe60
[  469.076111]  ? trace_hardirqs_off+0xb8/0x310
[  469.080535]  do_page_fault+0xf2/0x7e0
[  469.084346]  ? vmalloc_sync_all+0x30/0x30
[  469.088497]  ? error_entry+0x70/0xd0
[  469.092216]  ? trace_hardirqs_off_caller+0xbb/0x310
[  469.097293]  ? trace_hardirqs_on_caller+0xc0/0x310
[  469.102234]  ? syscall_return_slowpath+0x5e0/0x5e0
[  469.107166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.112013]  ? trace_hardirqs_on_caller+0x310/0x310
[  469.117030]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  469.122487]  ? prepare_exit_to_usermode+0x291/0x3b0
[  469.127506]  ? page_fault+0x8/0x30
[  469.131073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  469.135922]  ? page_fault+0x8/0x30
[  469.139501]  page_fault+0x1e/0x30
[  469.142954] RIP: 0033:0x45ddf3
[  469.146167] Code: Bad RIP value.
[  469.149543] RSP: 002b:000000c42001fea0 EFLAGS: 00010202
[  469.154904] RAX: ffffffffffffff92 RBX: 000000003b96bca2 RCX: 000000000045ddf3
[  469.162189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014fca40
[  469.169462] RBP: 000000c42001fee8 R08: 0000000000000000 R09: 0000000000000000
[  469.176730] R10: 000000c42001fed8 R11: 0000000000000202 R12: 0000000000000001
[  469.183998] R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42887a280
[  469.191291] warn_alloc_show_mem: 1 callbacks suppressed
[  469.191304] CPU: 0 PID: 12581 Comm: syz-executor1 Not tainted 4.20.0-rc1+ #83
[  469.191306] Mem-Info:
[  469.191346] active_anon:35039 inactive_anon:2253 isolated_anon:0
[  469.191346]  active_file:15 inactive_file:15 isolated_file:0
[  469.191346]  unevictable:0 dirty:0 writeback:0 unstable:0
[  469.191346]  slab_reclaimable:9185 slab_unreclaimable:1479039
[  469.191346]  mapped:24578 shmem:2305 pagetables:482 bounce:0
[  469.191346]  free:13750 free_pcp:296 free_cma:0
[  469.196704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011