[  778.385438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.389673]  ? process_timeout+0x40/0x40
[  778.393745]  ? __run_timers+0x7d5/0xc60
[  778.397756]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.402252]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.406746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.410979]  ? lockdep_hardirqs_on+0x296/0x5b0
[  778.415567]  ? trace_hardirqs_on+0xbd/0x310
[  778.419932]  ? kasan_check_read+0x11/0x20
[  778.424091]  ? __run_timers+0x7d5/0xc60
[  778.428080]  ? trace_hardirqs_off_caller+0x300/0x300
[  778.433201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.437444]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.441679]  __run_timers+0x7e0/0xc60
[  778.445493]  ? timer_fixup_init+0x70/0x70
[  778.449642]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.454152]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.458663]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  778.463250]  ? trace_hardirqs_on+0xbd/0x310
[  778.467579]  ? kasan_check_read+0x11/0x20
[  778.471731]  ? finish_task_switch+0x1f4/0x920
[  778.476228]  ? trace_hardirqs_off_caller+0x300/0x300
[  778.481331]  ? compat_start_thread+0x80/0x80
[  778.485764]  ? pvclock_read_flags+0x160/0x160
[  778.490259]  ? __switch_to_asm+0x34/0x70
[  778.494328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  778.499864]  ? check_preemption_disabled+0x48/0x280
[  778.504904]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  778.510444]  ? rcu_pm_notify+0xc0/0xc0
[  778.514348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  778.519887]  ? check_preemption_disabled+0x48/0x280
[  778.524924]  run_timer_softirq+0x52/0xb0
[  778.529000]  ? rcu_read_lock_sched_held+0x14f/0x180
[  778.534019]  __do_softirq+0x308/0xb7e
[  778.537826]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  778.542587]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  778.547698]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  778.552468]  ? trace_hardirqs_off+0xb8/0x310
[  778.556876]  ? smpboot_thread_fn+0x68b/0xa00
[  778.561300]  ? trace_hardirqs_on+0x310/0x310
[  778.565711]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  778.571247]  ? check_preemption_disabled+0x48/0x280
[  778.576287]  ? takeover_tasklets+0xa90/0xa90
[  778.580696]  run_ksoftirqd+0x5e/0x100
[  778.584498]  smpboot_thread_fn+0x68b/0xa00
[  778.588741]  ? sort_range+0x30/0x30
[  778.592370]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  778.597472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  778.603011]  ? __kthread_parkme+0xfb/0x1a0
[  778.607251]  ? sort_range+0x30/0x30
[  778.610880]  kthread+0x35a/0x440
[  778.614248]  ? kthread_stop+0x8f0/0x8f0
[  778.618230]  ret_from_fork+0x3a/0x50
[  778.621967] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  778.622034] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  778.630190] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  778.630196] Call Trace:
[  778.630202]  <IRQ>
[  778.630219]  dump_stack+0x244/0x39d
[  778.630239]  ? dump_stack_print_info.cold.1+0x20/0x20
[  778.636755] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  778.646070]  warn_alloc.cold.116+0xb7/0x1bd
[  778.648628] ksoftirqd/0 cpuset=/ mems_allowed=0
[  778.650774]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  778.683660]  ? lock_downgrade+0x900/0x900
[  778.687825]  ? trace_hardirqs_off+0xb8/0x310
[  778.692241]  ? trace_hardirqs_off+0xb8/0x310
[  778.696662]  __alloc_pages_slowpath+0x26fe/0x2e30
[  778.701555]  ? warn_alloc+0x120/0x120
[  778.705356]  ? print_usage_bug+0xc0/0xc0
[  778.709417]  ? warn_alloc+0x120/0x120
[  778.713225]  ? warn_alloc+0x120/0x120
[  778.717027]  ? print_usage_bug+0xc0/0xc0
[  778.721089]  ? kvm_clock_read+0x18/0x30
[  778.725063]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  778.730095]  ? print_usage_bug+0xc0/0xc0
[  778.734168]  ? __lock_acquire+0x62f/0x4c20
[  778.738411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  778.743949]  ? should_fail+0x22d/0xd01
[  778.747834]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  778.753127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  778.758240]  ? __lock_acquire+0x62f/0x4c20
[  778.762578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  778.767685]  ? __lock_acquire+0x62f/0x4c20
[  778.771917]  ? should_fail+0x22d/0xd01
[  778.775817]  ? rcu_irq_exit+0x1a2/0x390
[  778.779802]  ? mark_held_locks+0x130/0x130
[  778.784041]  ? mark_held_locks+0x130/0x130
[  778.788282]  ? mark_held_locks+0xc7/0x130
[  778.792432]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  778.797448]  ? graph_lock+0x270/0x270
[  778.801250]  ? print_usage_bug+0xc0/0xc0
[  778.805313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  778.810848]  ? check_preemption_disabled+0x48/0x280
[  778.815878]  ? __lock_is_held+0xb5/0x140
[  778.819961]  __alloc_pages_nodemask+0xa7b/0xdd0
[  778.824634]  ? graph_lock+0x270/0x270
[  778.828443]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  778.833472]  ? find_held_lock+0x36/0x1c0
[  778.837549]  ? ____cache_alloc_node+0x1c7/0x1e0
[  778.842223]  ? lock_downgrade+0x900/0x900
[  778.846397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  778.851941]  cache_grow_begin+0xa5/0x8c0
[  778.856006]  ? do_raw_spin_unlock+0xa7/0x330
[  778.860423]  fallback_alloc+0x204/0x2e0
[  778.864405]  ____cache_alloc_node+0x1c7/0x1e0
[  778.868910]  kmem_cache_alloc_node+0xe3/0x730
[  778.873404]  ? ipv6_get_ifaddr+0x42e/0x620
[  778.877669]  __alloc_skb+0x114/0x770
[  778.881390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  778.886670]  ? netdev_alloc_frag+0x1f0/0x1f0
[  778.891081]  ? lock_downgrade+0x900/0x900
[  778.895243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  778.900780]  ? refcount_sub_and_test_checked+0x203/0x310
[  778.906263]  ? refcount_dec_if_one+0x180/0x180
[  778.910844]  ? addrconf_rs_timer+0x690/0x690
[  778.915263]  ndisc_alloc_skb+0x144/0x340
[  778.919326]  ndisc_send_rs+0x331/0x6e0
[  778.923219]  addrconf_rs_timer+0x314/0x690
[  778.927477]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.931727]  call_timer_fn+0x26d/0x920
[  778.935617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.939852]  ? process_timeout+0x40/0x40
[  778.944066]  ? mark_held_locks+0xc7/0x130
[  778.948220]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.952719]  ? _raw_spin_unlock_irq+0x27/0x80
[  778.957215]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.961451]  ? lockdep_hardirqs_on+0x296/0x5b0
[  778.966042]  ? trace_hardirqs_on+0xbd/0x310
[  778.970377]  ? kasan_check_read+0x11/0x20
[  778.974523]  ? __run_timers+0x7d5/0xc60
[  778.978515]  ? trace_hardirqs_off_caller+0x300/0x300
[  778.983627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.987866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  778.992109]  __run_timers+0x7e0/0xc60
[  778.995919]  ? timer_fixup_init+0x70/0x70
[  779.000071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  779.005100]  ? graph_lock+0x270/0x270
[  779.008910]  ? print_usage_bug+0xc0/0xc0
[  779.012974]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  779.018182]  ? find_held_lock+0x36/0x1c0
[  779.022253]  ? graph_lock+0x270/0x270
[  779.026061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.031612]  ? check_preemption_disabled+0x48/0x280
[  779.036654]  ? __lock_is_held+0xb5/0x140
[  779.040740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.046280]  ? check_preemption_disabled+0x48/0x280
[  779.051302]  run_timer_softirq+0x52/0xb0
[  779.055364]  ? rcu_read_lock_sched_held+0x14f/0x180
[  779.060383]  __do_softirq+0x308/0xb7e
[  779.064208]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  779.068703]  ? lock_downgrade+0x900/0x900
[  779.072859]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  779.078433]  ? pvclock_read_flags+0x160/0x160
[  779.082934]  ? lapic_next_event+0x5a/0x90
[  779.087095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.092714]  ? kvm_clock_read+0x18/0x30
[  779.096707]  ? kvm_sched_clock_read+0x9/0x20
[  779.101119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  779.106660]  ? check_preemption_disabled+0x48/0x280
[  779.111697]  irq_exit+0x17f/0x1c0
[  779.115157]  smp_apic_timer_interrupt+0x1cb/0x760
[  779.120011]  ? smp_reschedule_interrupt+0x109/0x650
[  779.125030]  ? smp_call_function_single_interrupt+0x640/0x640
[  779.130917]  ? interrupt_entry+0xb5/0xc0
[  779.134984]  ? trace_hardirqs_off_caller+0xbb/0x300
[  779.140003]  ? trace_hardirqs_off_caller+0xbb/0x300
[  779.145020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  779.149884]  ? trace_hardirqs_on_caller+0x310/0x310
[  779.154901]  ? trace_hardirqs_on_caller+0x310/0x310
[  779.159930]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  779.164786]  apic_timer_interrupt+0xf/0x20
[  779.169014]  </IRQ>
[  779.171272] RIP: 0010:dump_stack+0x358/0x39d
[  779.175686] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  779.194586] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  779.202293] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  779.209560] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  779.216922] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  779.224189] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  779.231472] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  779.238757]  ? dump_stack+0x34f/0x39d
[  779.242582]  ? dump_stack_print_info.cold.1+0x20/0x20
[  779.247778]  ? mark_held_locks+0x130/0x130
[  779.252016]  ? mark_held_locks+0x130/0x130
[  779.256259]  dump_header+0x27b/0xf72
[  779.259986]  ? pagefault_out_of_memory+0x197/0x197
[  779.264920]  ? mark_held_locks+0x130/0x130
[  779.269178]  ? __lock_acquire+0x62f/0x4c20
[  779.273416]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  779.278183]  ? print_usage_bug+0xc0/0xc0
[  779.282256]  ? graph_lock+0x270/0x270
[  779.286055]  ? graph_lock+0x270/0x270
[  779.289861]  ? print_usage_bug+0xc0/0xc0
[  779.293920]  ? print_usage_bug+0xc0/0xc0
[  779.297985]  ? graph_lock+0x270/0x270
[  779.301789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.307336]  ? find_held_lock+0x36/0x1c0
[  779.311407]  ? mark_held_locks+0xc7/0x130
[  779.315566]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  779.320690]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  779.325798]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  779.330402]  ? trace_hardirqs_on+0xbd/0x310
[  779.334727]  ? kasan_check_read+0x11/0x20
[  779.338873]  ? ___ratelimit+0x3b4/0x672
[  779.342854]  ? trace_hardirqs_off_caller+0x300/0x300
[  779.347966]  ? trace_hardirqs_on+0x310/0x310
[  779.352375]  ? lock_downgrade+0x900/0x900
[  779.356532]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  779.361639]  ? ___ratelimit+0x3b9/0x672
[  779.365619]  ? idr_get_free+0xf70/0xf70
[  779.369595]  ? kasan_check_read+0x11/0x20
[  779.373748]  ? do_raw_spin_unlock+0xa7/0x330
[  779.378173]  oom_kill_process.cold.27+0x10/0x903
[  779.382932]  ? graph_lock+0x270/0x270
[  779.386740]  ? _raw_spin_unlock+0x2c/0x50
[  779.390890]  ? oom_badness+0xe6/0xaa0
[  779.394704]  ? oom_evaluate_task+0x540/0x540
[  779.399118]  ? find_held_lock+0x36/0x1c0
[  779.403200]  ? out_of_memory+0x96f/0x1430
[  779.407355]  ? lock_downgrade+0x900/0x900
[  779.411517]  ? check_preemption_disabled+0x48/0x280
[  779.416544]  ? kasan_check_read+0x11/0x20
[  779.420694]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  779.425973]  ? rcu_read_unlock_special+0x370/0x370
[  779.430908]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  779.435969]  ? oom_evaluate_task+0x302/0x540
[  779.440384]  out_of_memory+0xa7f/0x1430
[  779.444372]  ? oom_killer_disable+0x3a0/0x3a0
[  779.448870]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  779.453818]  ? __ww_mutex_check_waiters+0x160/0x160
[  779.458844]  __alloc_pages_slowpath+0x236a/0x2e30
[  779.463721]  ? warn_alloc+0x120/0x120
[  779.467525]  ? mark_held_locks+0x130/0x130
[  779.471779]  ? find_get_entry+0xaae/0x1120
[  779.476039]  ? filemap_map_pages+0x1a20/0x1a20
[  779.480631]  ? graph_lock+0x270/0x270
[  779.484441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.489981]  ? check_preemption_disabled+0x48/0x280
[  779.494996]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  779.500533]  ? should_fail+0x22d/0xd01
[  779.504430]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  779.509535]  ? graph_lock+0x270/0x270
[  779.513364]  ? __lock_is_held+0xb5/0x140
[  779.517436]  ? mark_held_locks+0x130/0x130
[  779.521687]  ? lock_release+0xa10/0xa10
[  779.525675]  ? perf_trace_sched_process_exec+0x860/0x860
[  779.531129]  ? xa_load+0x2ba/0x460
[  779.534689]  ? lock_downgrade+0x900/0x900
[  779.538852]  ? __might_sleep+0x95/0x190
[  779.542833]  __alloc_pages_nodemask+0xa7b/0xdd0
[  779.547514]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  779.552532]  ? __page_cache_alloc+0x177/0x570
[  779.557024]  ? xa_load+0x2e1/0x460
[  779.560564]  ? xa_clear_mark+0x40/0x40
[  779.564458]  ? graph_lock+0x270/0x270
[  779.568271]  ? graph_lock+0x270/0x270
[  779.572071]  ? graph_lock+0x270/0x270
[  779.575873]  ? __do_page_cache_readahead+0x663/0x810
[  779.580984]  ? find_held_lock+0x36/0x1c0
[  779.585050]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  779.590595]  alloc_pages_current+0x173/0x350
[  779.595013]  __page_cache_alloc+0x3ce/0x570
[  779.599340]  ? kasan_check_read+0x11/0x20
[  779.603487]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  779.608791]  ? generic_perform_write+0x6a0/0x6a0
[  779.613550]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  779.619087]  ? check_preemption_disabled+0x48/0x280
[  779.624133]  filemap_fault+0x1595/0x25f0
[  779.628247]  ? __lock_page_or_retry+0xa00/0xa00
[  779.632931]  ? mark_held_locks+0x130/0x130
[  779.637184]  ? filemap_map_pages+0xd6b/0x1a20
[  779.641693]  ? lock_downgrade+0x900/0x900
[  779.645840]  ? check_preemption_disabled+0x48/0x280
[  779.650864]  ? kasan_check_read+0x11/0x20
[  779.655015]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  779.660297]  ? rcu_read_unlock_special+0x370/0x370
[  779.665239]  ? filemap_map_pages+0xd92/0x1a20
[  779.669757]  ? find_get_entries_tag+0x1400/0x1400
[  779.674604]  ? debug_object_destroy+0x2b0/0x2b0
[  779.679302]  ? lock_pi_update_atomic+0x150/0x150
[  779.684061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  779.689615]  ? lock_acquire+0x1ed/0x520
[  779.693621]  ? ext4_filemap_fault+0x7a/0xad
[  779.697961]  ? lock_release+0xa10/0xa10
[  779.701939]  ? perf_trace_sched_process_exec+0x860/0x860
[  779.707391]  ? print_usage_bug+0xc0/0xc0
[  779.711455]  ? print_usage_bug+0xc0/0xc0
[  779.715545]  ? down_read+0x8d/0x120
[  779.719177]  ? ext4_filemap_fault+0x7a/0xad
[  779.723503]  ? __down_interruptible+0x700/0x700
[  779.728190]  ext4_filemap_fault+0x82/0xad
[  779.732366]  __do_fault+0x100/0x6b0
[  779.736002]  ? do_futex+0x1df/0x26d0
[  779.739716]  ? pmd_devmap_trans_unstable+0x220/0x220
[  779.744820]  ? mark_held_locks+0x130/0x130
[  779.749060]  ? mark_held_locks+0x130/0x130
[  779.753306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  779.758866]  __handle_mm_fault+0x3ea0/0x5be0
[  779.763275]  ? perf_trace_lock+0x7a0/0x7a0
[  779.767549]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  779.772408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  779.777008]  ? graph_lock+0x270/0x270
[  779.780905]  ? graph_lock+0x270/0x270
[  779.784721]  ? __x64_sys_futex+0x53e/0x6a0
[  779.788966]  ? find_held_lock+0x36/0x1c0
[  779.793056]  ? handle_mm_fault+0x42a/0xc70
[  779.797308]  ? lock_downgrade+0x900/0x900
[  779.801474]  ? check_preemption_disabled+0x48/0x280
[  779.806494]  ? kasan_check_read+0x11/0x20
[  779.810646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  779.815930]  ? rcu_read_unlock_special+0x370/0x370
[  779.820877]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  779.826426]  ? check_preemption_disabled+0x48/0x280
[  779.831469]  handle_mm_fault+0x54f/0xc70
[  779.835535]  ? __handle_mm_fault+0x5be0/0x5be0
[  779.840121]  ? find_vma+0x34/0x190
[  779.843676]  __do_page_fault+0x5d6/0xe40
[  779.847752]  ? trace_hardirqs_off+0xb8/0x310
[  779.852194]  do_page_fault+0xed/0x7d1
[  779.856002]  ? vmalloc_sync_all+0x30/0x30
[  779.860151]  ? error_entry+0x70/0xd0
[  779.863883]  ? trace_hardirqs_off_caller+0xbb/0x300
[  779.868903]  ? trace_hardirqs_on_caller+0xc0/0x310
[  779.873833]  ? syscall_return_slowpath+0x5e0/0x5e0
[  779.878763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  779.883623]  ? trace_hardirqs_on_caller+0x310/0x310
[  779.888639]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  779.894279]  ? prepare_exit_to_usermode+0x291/0x3b0
[  779.899305]  ? page_fault+0x8/0x30
[  779.902852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  779.907703]  ? page_fault+0x8/0x30
[  779.911248]  page_fault+0x1e/0x30
[  779.914715] RIP: 0033:0x45ddf3
[  779.917961] Code: Bad RIP value.
[  779.921355] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  779.926718] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  779.933983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  779.941248] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  779.948530] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  779.955803] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  779.963114] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  779.963119] warn_alloc_show_mem: 1 callbacks suppressed
[  779.963126] Mem-Info:
[  779.971214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  779.976585] active_anon:129018 inactive_anon:195 isolated_anon:0
[  779.976585]  active_file:12 inactive_file:15 isolated_file:0
[  779.976585]  unevictable:1 dirty:0 writeback:0 unstable:0
[  779.976585]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  779.976585]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  779.976585]  free:13741 free_pcp:161 free_cma:0
[  779.978954] Call Trace:
[  779.988388] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  780.021412]  dump_stack+0x244/0x39d
[  780.023988] 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
[  780.051568]  ? dump_stack_print_info.cold.1+0x20/0x20
[  780.055182] lowmem_reserve[]: 0 2818 6321 6321
[  780.081317]  warn_alloc.cold.116+0xb7/0x1bd
[  780.086487] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  780.091072]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  780.095369] lowmem_reserve[]: 0 0 3503 3503
[  780.122783]  ? lock_downgrade+0x900/0x900
[  780.127616] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  780.131971]  ? trace_hardirqs_off+0xb8/0x310
[  780.136090] lowmem_reserve[]: 0 0 0 0
[  780.164991]  ? trace_hardirqs_off+0xb8/0x310
[  780.169374] 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
[  780.173184]  __alloc_pages_slowpath+0x26fe/0x2e30
[  780.177558] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  780.191117]  ? warn_alloc+0x120/0x120
[  780.195902] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  780.210289]  ? print_usage_bug+0xc0/0xc0
[  780.214070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  780.229317]  ? warn_alloc+0x120/0x120
[  780.233363] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  780.242199]  ? warn_alloc+0x120/0x120
[  780.245977] 296 total pagecache pages
[  780.254562]  ? print_usage_bug+0xc0/0xc0
[  780.258347] 0 pages in swap cache
[  780.262133]  ? print_usage_bug+0xc0/0xc0
[  780.266186] Swap cache stats: add 0, delete 0, find 0/0
[  780.269627]  ? __lock_acquire+0x62f/0x4c20
[  780.273665] Free swap  = 0kB
[  780.279020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  780.283254] Total swap = 0kB
[  780.286264]  ? should_fail+0x22d/0xd01
[  780.291781] 1965979 pages RAM
[  780.294823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  780.298689] 0 pages HighMem/MovableOnly
[  780.301792]  ? __lock_acquire+0x62f/0x4c20
[  780.306873] 342854 pages reserved
[  780.310852]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  780.315088] 0 pages cma reserved
[  780.318534]  ? __lock_acquire+0x62f/0x4c20
[  780.323689] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  780.326964]  ? should_fail+0x22d/0xd01
[  780.326980]  ? find_held_lock+0x36/0x1c0
[  780.331423] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  780.337689]  ? mark_held_locks+0x130/0x130
[  780.341555] syz-fuzzer cpuset=/ mems_allowed=0
[  780.345609]  ? mark_held_locks+0x130/0x130
[  780.368817]  ? graph_lock+0x270/0x270
[  780.372619]  ? graph_lock+0x270/0x270
[  780.376425]  ? print_usage_bug+0xc0/0xc0
[  780.380504]  ? do_raw_spin_unlock+0xa7/0x330
[  780.384915]  ? graph_lock+0x270/0x270
[  780.388717]  ? print_usage_bug+0xc0/0xc0
[  780.392808]  ? wq_watchdog_touch+0x9c/0xfe
[  780.397048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.402584]  ? check_preemption_disabled+0x48/0x280
[  780.407627]  ? __lock_is_held+0xb5/0x140
[  780.411713]  __alloc_pages_nodemask+0xa7b/0xdd0
[  780.416386]  ? graph_lock+0x270/0x270
[  780.420202]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  780.425234]  ? find_held_lock+0x36/0x1c0
[  780.429310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  780.433983]  ? lock_downgrade+0x900/0x900
[  780.438136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.443701]  cache_grow_begin+0xa5/0x8c0
[  780.447775]  ? do_raw_spin_unlock+0xa7/0x330
[  780.452245]  fallback_alloc+0x204/0x2e0
[  780.456242]  ____cache_alloc_node+0x1c7/0x1e0
[  780.460750]  kmem_cache_alloc_node+0xe3/0x730
[  780.465248]  ? ipv6_get_ifaddr+0x42e/0x620
[  780.469498]  __alloc_skb+0x114/0x770
[  780.473214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  780.478493]  ? netdev_alloc_frag+0x1f0/0x1f0
[  780.482901]  ? lock_downgrade+0x900/0x900
[  780.487081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.492655]  ? refcount_sub_and_test_checked+0x203/0x310
[  780.498124]  ? refcount_dec_if_one+0x180/0x180
[  780.502739]  ? addrconf_rs_timer+0x690/0x690
[  780.507167]  ndisc_alloc_skb+0x144/0x340
[  780.511237]  ndisc_send_rs+0x331/0x6e0
[  780.515130]  addrconf_rs_timer+0x314/0x690
[  780.519380]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  780.523645]  call_timer_fn+0x26d/0x920
[  780.527551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  780.531819]  ? process_timeout+0x40/0x40
[  780.535897]  ? __run_timers+0x7d5/0xc60
[  780.539910]  ? _raw_spin_unlock_irq+0x27/0x80
[  780.544407]  ? _raw_spin_unlock_irq+0x27/0x80
[  780.548914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  780.553147]  ? lockdep_hardirqs_on+0x296/0x5b0
[  780.557759]  ? trace_hardirqs_on+0xbd/0x310
[  780.562077]  ? kasan_check_read+0x11/0x20
[  780.566225]  ? __run_timers+0x7d5/0xc60
[  780.570212]  ? trace_hardirqs_off_caller+0x300/0x300
[  780.575320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  780.579559]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  780.583792]  __run_timers+0x7e0/0xc60
[  780.587603]  ? timer_fixup_init+0x70/0x70
[  780.591757]  ? _raw_spin_unlock_irq+0x27/0x80
[  780.596252]  ? _raw_spin_unlock_irq+0x27/0x80
[  780.600749]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  780.605334]  ? trace_hardirqs_on+0xbd/0x310
[  780.609672]  ? kasan_check_read+0x11/0x20
[  780.613824]  ? finish_task_switch+0x1f4/0x920
[  780.618318]  ? trace_hardirqs_off_caller+0x300/0x300
[  780.623418]  ? compat_start_thread+0x80/0x80
[  780.627858]  ? pvclock_read_flags+0x160/0x160
[  780.632353]  ? __switch_to_asm+0x34/0x70
[  780.636414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.641950]  ? check_preemption_disabled+0x48/0x280
[  780.646979]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  780.652519]  ? rcu_pm_notify+0xc0/0xc0
[  780.656424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.661969]  ? check_preemption_disabled+0x48/0x280
[  780.667007]  run_timer_softirq+0x52/0xb0
[  780.671073]  ? rcu_read_lock_sched_held+0x14f/0x180
[  780.676119]  __do_softirq+0x308/0xb7e
[  780.679929]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  780.684688]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  780.689796]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  780.694569]  ? trace_hardirqs_off+0xb8/0x310
[  780.698978]  ? smpboot_thread_fn+0x68b/0xa00
[  780.703396]  ? trace_hardirqs_on+0x310/0x310
[  780.707806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  780.713341]  ? check_preemption_disabled+0x48/0x280
[  780.718359]  ? takeover_tasklets+0xa90/0xa90
[  780.722767]  run_ksoftirqd+0x5e/0x100
[  780.726568]  smpboot_thread_fn+0x68b/0xa00
[  780.730825]  ? sort_range+0x30/0x30
[  780.734464]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  780.739565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  780.745102]  ? __kthread_parkme+0xfb/0x1a0
[  780.749342]  ? sort_range+0x30/0x30
[  780.752971]  kthread+0x35a/0x440
[  780.756336]  ? kthread_stop+0x8f0/0x8f0
[  780.760312]  ret_from_fork+0x3a/0x50
[  780.764060] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  780.764185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  780.772312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  780.772317] Call Trace:
[  780.772323]  <IRQ>
[  780.772340]  dump_stack+0x244/0x39d
[  780.772359]  ? dump_stack_print_info.cold.1+0x20/0x20
[  780.779051] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  780.788198]  warn_alloc.cold.116+0xb7/0x1bd
[  780.790757] ksoftirqd/0 cpuset=/ mems_allowed=0
[  780.792901]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  780.825779]  ? lock_downgrade+0x900/0x900
[  780.829930]  ? trace_hardirqs_off+0xb8/0x310
[  780.834370]  ? trace_hardirqs_off+0xb8/0x310
[  780.838787]  __alloc_pages_slowpath+0x26fe/0x2e30
[  780.843656]  ? warn_alloc+0x120/0x120
[  780.847479]  ? find_held_lock+0x36/0x1c0
[  780.851553]  ? warn_alloc+0x120/0x120
[  780.855360]  ? warn_alloc+0x120/0x120
[  780.859188]  ? print_usage_bug+0xc0/0xc0
[  780.863254]  ? print_usage_bug+0xc0/0xc0
[  780.867317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  780.872610]  ? rcu_read_unlock_special+0x370/0x370
[  780.877540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  780.883091]  ? should_fail+0x22d/0xd01
[  780.886984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  780.892087]  ? __lock_acquire+0x62f/0x4c20
[  780.896326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  780.901426]  ? __lock_acquire+0x62f/0x4c20
[  780.905661]  ? should_fail+0x22d/0xd01
[  780.909565]  ? mark_held_locks+0x130/0x130
[  780.913807]  ? mark_held_locks+0x130/0x130
[  780.918045]  ? __enqueue_entity+0x10d/0x1f0
[  780.922375]  ? graph_lock+0x270/0x270
[  780.926201]  ? print_usage_bug+0xc0/0xc0
[  780.930263]  ? __lock_acquire+0x62f/0x4c20
[  780.934516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.940056]  ? check_preemption_disabled+0x48/0x280
[  780.945192]  ? __lock_is_held+0xb5/0x140
[  780.949261]  __alloc_pages_nodemask+0xa7b/0xdd0
[  780.953931]  ? graph_lock+0x270/0x270
[  780.957743]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  780.962772]  ? find_held_lock+0x36/0x1c0
[  780.966845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  780.971532]  ? lock_downgrade+0x900/0x900
[  780.975692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  780.981239]  cache_grow_begin+0xa5/0x8c0
[  780.985299]  ? do_raw_spin_unlock+0xa7/0x330
[  780.989748]  fallback_alloc+0x204/0x2e0
[  780.993732]  ____cache_alloc_node+0x1c7/0x1e0
[  780.998249]  kmem_cache_alloc_node+0xe3/0x730
[  781.002747]  ? ipv6_get_ifaddr+0x42e/0x620
[  781.006991]  __alloc_skb+0x114/0x770
[  781.010708]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  781.015999]  ? netdev_alloc_frag+0x1f0/0x1f0
[  781.020406]  ? lock_downgrade+0x900/0x900
[  781.024615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.030183]  ? refcount_sub_and_test_checked+0x203/0x310
[  781.035656]  ? refcount_dec_if_one+0x180/0x180
[  781.040243]  ? addrconf_rs_timer+0x690/0x690
[  781.044684]  ndisc_alloc_skb+0x144/0x340
[  781.048747]  ndisc_send_rs+0x331/0x6e0
[  781.052641]  addrconf_rs_timer+0x314/0x690
[  781.056924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  781.061180]  call_timer_fn+0x26d/0x920
[  781.065069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  781.069309]  ? process_timeout+0x40/0x40
[  781.073738]  ? mark_held_locks+0xc7/0x130
[  781.077899]  ? _raw_spin_unlock_irq+0x27/0x80
[  781.082433]  ? _raw_spin_unlock_irq+0x27/0x80
[  781.086936]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  781.091190]  ? lockdep_hardirqs_on+0x296/0x5b0
[  781.095781]  ? trace_hardirqs_on+0xbd/0x310
[  781.100105]  ? kasan_check_read+0x11/0x20
[  781.104270]  ? __run_timers+0x7d5/0xc60
[  781.108251]  ? trace_hardirqs_off_caller+0x300/0x300
[  781.113374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  781.117617]  __run_timers+0x7e0/0xc60
[  781.121433]  ? timer_fixup_init+0x70/0x70
[  781.125590]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  781.130615]  ? graph_lock+0x270/0x270
[  781.134430]  ? print_usage_bug+0xc0/0xc0
[  781.138514]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  781.143732]  ? find_held_lock+0x36/0x1c0
[  781.147802]  ? graph_lock+0x270/0x270
[  781.151613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.157180]  ? check_preemption_disabled+0x48/0x280
[  781.162232]  ? __lock_is_held+0xb5/0x140
[  781.166301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.171850]  ? check_preemption_disabled+0x48/0x280
[  781.176896]  run_timer_softirq+0x52/0xb0
[  781.180976]  ? rcu_read_lock_sched_held+0x14f/0x180
[  781.186006]  __do_softirq+0x308/0xb7e
[  781.189819]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  781.194321]  ? lock_downgrade+0x900/0x900
[  781.198479]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  781.203615]  ? pvclock_read_flags+0x160/0x160
[  781.208120]  ? lapic_next_event+0x5a/0x90
[  781.212282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.217831]  ? kvm_clock_read+0x18/0x30
[  781.221822]  ? kvm_sched_clock_read+0x9/0x20
[  781.226241]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  781.231787]  ? check_preemption_disabled+0x48/0x280
[  781.236822]  irq_exit+0x17f/0x1c0
[  781.240291]  smp_apic_timer_interrupt+0x1cb/0x760
[  781.245141]  ? smp_reschedule_interrupt+0x109/0x650
[  781.250193]  ? smp_call_function_single_interrupt+0x640/0x640
[  781.256087]  ? interrupt_entry+0xb5/0xc0
[  781.260159]  ? trace_hardirqs_off_caller+0xbb/0x300
[  781.265224]  ? trace_hardirqs_off_caller+0xbb/0x300
[  781.270256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  781.275109]  ? trace_hardirqs_on_caller+0x310/0x310
[  781.280131]  ? trace_hardirqs_on_caller+0x310/0x310
[  781.285187]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  781.290051]  apic_timer_interrupt+0xf/0x20
[  781.294298]  </IRQ>
[  781.296563] RIP: 0010:dump_stack+0x358/0x39d
[  781.300975] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  781.319964] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  781.327717] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  781.334996] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  781.342281] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  781.349579] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  781.356874] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  781.364203]  ? dump_stack+0x34f/0x39d
[  781.368024]  ? dump_stack_print_info.cold.1+0x20/0x20
[  781.373248]  ? mark_held_locks+0x130/0x130
[  781.377504]  ? mark_held_locks+0x130/0x130
[  781.381764]  dump_header+0x27b/0xf72
[  781.385508]  ? pagefault_out_of_memory+0x197/0x197
[  781.390452]  ? mark_held_locks+0x130/0x130
[  781.394695]  ? __lock_acquire+0x62f/0x4c20
[  781.398946]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  781.403730]  ? print_usage_bug+0xc0/0xc0
[  781.407803]  ? graph_lock+0x270/0x270
[  781.411642]  ? graph_lock+0x270/0x270
[  781.415463]  ? print_usage_bug+0xc0/0xc0
[  781.419528]  ? print_usage_bug+0xc0/0xc0
[  781.423644]  ? graph_lock+0x270/0x270
[  781.427463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.433012]  ? find_held_lock+0x36/0x1c0
[  781.437086]  ? mark_held_locks+0xc7/0x130
[  781.441244]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  781.446357]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  781.451471]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  781.456063]  ? trace_hardirqs_on+0xbd/0x310
[  781.460391]  ? kasan_check_read+0x11/0x20
[  781.464546]  ? ___ratelimit+0x3b4/0x672
[  781.468529]  ? trace_hardirqs_off_caller+0x300/0x300
[  781.473642]  ? trace_hardirqs_on+0x310/0x310
[  781.478062]  ? lock_downgrade+0x900/0x900
[  781.482257]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  781.487370]  ? ___ratelimit+0x3b9/0x672
[  781.491350]  ? idr_get_free+0xf70/0xf70
[  781.495329]  ? kasan_check_read+0x11/0x20
[  781.499485]  ? do_raw_spin_unlock+0xa7/0x330
[  781.503913]  oom_kill_process.cold.27+0x10/0x903
[  781.508685]  ? graph_lock+0x270/0x270
[  781.512507]  ? _raw_spin_unlock+0x2c/0x50
[  781.516660]  ? oom_badness+0xe6/0xaa0
[  781.520473]  ? oom_evaluate_task+0x540/0x540
[  781.524894]  ? find_held_lock+0x36/0x1c0
[  781.528969]  ? out_of_memory+0x96f/0x1430
[  781.533123]  ? lock_downgrade+0x900/0x900
[  781.537272]  ? check_preemption_disabled+0x48/0x280
[  781.542306]  ? kasan_check_read+0x11/0x20
[  781.546464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  781.551753]  ? rcu_read_unlock_special+0x370/0x370
[  781.556703]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  781.561743]  ? oom_evaluate_task+0x302/0x540
[  781.566288]  out_of_memory+0xa7f/0x1430
[  781.570292]  ? oom_killer_disable+0x3a0/0x3a0
[  781.574798]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  781.579741]  ? __ww_mutex_check_waiters+0x160/0x160
[  781.584791]  __alloc_pages_slowpath+0x236a/0x2e30
[  781.589681]  ? warn_alloc+0x120/0x120
[  781.593508]  ? mark_held_locks+0x130/0x130
[  781.597770]  ? find_get_entry+0xaae/0x1120
[  781.602019]  ? filemap_map_pages+0x1a20/0x1a20
[  781.606615]  ? graph_lock+0x270/0x270
[  781.610426]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.615986]  ? check_preemption_disabled+0x48/0x280
[  781.621028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  781.626583]  ? should_fail+0x22d/0xd01
[  781.630480]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  781.635608]  ? graph_lock+0x270/0x270
[  781.639488]  ? __lock_is_held+0xb5/0x140
[  781.643563]  ? mark_held_locks+0x130/0x130
[  781.647844]  ? lock_release+0xa10/0xa10
[  781.651825]  ? perf_trace_sched_process_exec+0x860/0x860
[  781.657277]  ? xa_load+0x2ba/0x460
[  781.660831]  ? lock_downgrade+0x900/0x900
[  781.664985]  ? __might_sleep+0x95/0x190
[  781.668970]  __alloc_pages_nodemask+0xa7b/0xdd0
[  781.673652]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  781.678702]  ? __page_cache_alloc+0x177/0x570
[  781.683212]  ? xa_load+0x2e1/0x460
[  781.686761]  ? xa_clear_mark+0x40/0x40
[  781.690679]  ? graph_lock+0x270/0x270
[  781.694508]  ? graph_lock+0x270/0x270
[  781.698312]  ? graph_lock+0x270/0x270
[  781.702118]  ? __do_page_cache_readahead+0x663/0x810
[  781.707233]  ? find_held_lock+0x36/0x1c0
[  781.711315]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  781.716884]  alloc_pages_current+0x173/0x350
[  781.721314]  __page_cache_alloc+0x3ce/0x570
[  781.725644]  ? kasan_check_read+0x11/0x20
[  781.729813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  781.735127]  ? generic_perform_write+0x6a0/0x6a0
[  781.739901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  781.745446]  ? check_preemption_disabled+0x48/0x280
[  781.750479]  filemap_fault+0x1595/0x25f0
[  781.754563]  ? __lock_page_or_retry+0xa00/0xa00
[  781.759247]  ? mark_held_locks+0x130/0x130
[  781.763511]  ? filemap_map_pages+0xd6b/0x1a20
[  781.768016]  ? lock_downgrade+0x900/0x900
[  781.772257]  ? check_preemption_disabled+0x48/0x280
[  781.777291]  ? kasan_check_read+0x11/0x20
[  781.781452]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  781.786765]  ? rcu_read_unlock_special+0x370/0x370
[  781.791756]  ? filemap_map_pages+0xd92/0x1a20
[  781.796283]  ? find_get_entries_tag+0x1400/0x1400
[  781.801140]  ? debug_object_destroy+0x2b0/0x2b0
[  781.805841]  ? lock_pi_update_atomic+0x150/0x150
[  781.810636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  781.816213]  ? lock_acquire+0x1ed/0x520
[  781.820208]  ? ext4_filemap_fault+0x7a/0xad
[  781.824593]  ? lock_release+0xa10/0xa10
[  781.828587]  ? perf_trace_sched_process_exec+0x860/0x860
[  781.834054]  ? print_usage_bug+0xc0/0xc0
[  781.838125]  ? print_usage_bug+0xc0/0xc0
[  781.842260]  ? down_read+0x8d/0x120
[  781.845920]  ? ext4_filemap_fault+0x7a/0xad
[  781.850253]  ? __down_interruptible+0x700/0x700
[  781.854944]  ext4_filemap_fault+0x82/0xad
[  781.859125]  __do_fault+0x100/0x6b0
[  781.862761]  ? do_futex+0x1df/0x26d0
[  781.866488]  ? pmd_devmap_trans_unstable+0x220/0x220
[  781.871607]  ? mark_held_locks+0x130/0x130
[  781.875854]  ? mark_held_locks+0x130/0x130
[  781.880145]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  781.885715]  __handle_mm_fault+0x3ea0/0x5be0
[  781.890135]  ? perf_trace_lock+0x7a0/0x7a0
[  781.894399]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  781.899267]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  781.903875]  ? graph_lock+0x270/0x270
[  781.907689]  ? graph_lock+0x270/0x270
[  781.911501]  ? __x64_sys_futex+0x53e/0x6a0
[  781.915758]  ? find_held_lock+0x36/0x1c0
[  781.919856]  ? handle_mm_fault+0x42a/0xc70
[  781.924138]  ? lock_downgrade+0x900/0x900
[  781.928320]  ? check_preemption_disabled+0x48/0x280
[  781.933358]  ? kasan_check_read+0x11/0x20
[  781.937528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  781.942841]  ? rcu_read_unlock_special+0x370/0x370
[  781.947795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  781.953350]  ? check_preemption_disabled+0x48/0x280
[  781.958392]  handle_mm_fault+0x54f/0xc70
[  781.962472]  ? __handle_mm_fault+0x5be0/0x5be0
[  781.967072]  ? find_vma+0x34/0x190
[  781.970634]  __do_page_fault+0x5d6/0xe40
[  781.974729]  ? trace_hardirqs_off+0xb8/0x310
[  781.979169]  do_page_fault+0xed/0x7d1
[  781.982992]  ? vmalloc_sync_all+0x30/0x30
[  781.987154]  ? error_entry+0x70/0xd0
[  781.990905]  ? trace_hardirqs_off_caller+0xbb/0x300
[  781.995936]  ? trace_hardirqs_on_caller+0xc0/0x310
[  782.000881]  ? syscall_return_slowpath+0x5e0/0x5e0
[  782.005826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  782.010711]  ? trace_hardirqs_on_caller+0x310/0x310
[  782.015747]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  782.021222]  ? prepare_exit_to_usermode+0x291/0x3b0
[  782.026256]  ? page_fault+0x8/0x30
[  782.029830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  782.034706]  ? page_fault+0x8/0x30
[  782.038265]  page_fault+0x1e/0x30
[  782.041757] RIP: 0033:0x45ddf3
[  782.044970] Code: Bad RIP value.
[  782.048339] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  782.053717] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  782.061009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  782.068289] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  782.075569] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  782.082854] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  782.090175] warn_alloc_show_mem: 1 callbacks suppressed
[  782.090189] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  782.090191] Mem-Info:
[  782.090222] active_anon:129018 inactive_anon:195 isolated_anon:0
[  782.090222]  active_file:12 inactive_file:15 isolated_file:0
[  782.090222]  unevictable:1 dirty:0 writeback:0 unstable:0
[  782.090222]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  782.090222]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  782.090222]  free:13741 free_pcp:161 free_cma:0
[  782.095584] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  782.103655] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  782.106067] Call Trace:
[  782.139122] 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
[  782.148503]  dump_stack+0x244/0x39d
[  782.176066] lowmem_reserve[]: 0 2818 6321 6321
[  782.178689]  ? dump_stack_print_info.cold.1+0x20/0x20
[  782.204784] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  782.208451]  warn_alloc.cold.116+0xb7/0x1bd
[  782.212996] lowmem_reserve[]: 0 0 3503 3503
[  782.218222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  782.245626] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  782.249964]  ? lock_downgrade+0x900/0x900
[  782.254248] lowmem_reserve[]: 0 0 0 0
[  782.259115]  ? trace_hardirqs_off+0xb8/0x310
[  782.287991] 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
[  782.292168]  ? trace_hardirqs_off+0xb8/0x310
[  782.295921] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  782.300334]  __alloc_pages_slowpath+0x26fe/0x2e30
[  782.313841] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  782.318284]  ? warn_alloc+0x120/0x120
[  782.332644] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  782.337496]  ? print_usage_bug+0xc0/0xc0
[  782.352767] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  782.356572]  ? warn_alloc+0x120/0x120
[  782.365400] 296 total pagecache pages
[  782.369473]  ? warn_alloc+0x120/0x120
[  782.378030] 0 pages in swap cache
[  782.381837]  ? print_usage_bug+0xc0/0xc0
[  782.385611] Swap cache stats: add 0, delete 0, find 0/0
[  782.389423]  ? print_usage_bug+0xc0/0xc0
[  782.392851] Free swap  = 0kB
[  782.396915]  ? print_usage_bug+0xc0/0xc0
[  782.402257] Total swap = 0kB
[  782.406348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  782.409334] 1965979 pages RAM
[  782.413397]  ? should_fail+0x22d/0xd01
[  782.416390] 0 pages HighMem/MovableOnly
[  782.421928]  ? graph_lock+0x270/0x270
[  782.425010] 342854 pages reserved
[  782.428909]  ? graph_lock+0x270/0x270
[  782.432858] 0 pages cma reserved
[  782.436658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  782.440203] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  782.443900]  ? __lock_acquire+0x62f/0x4c20
[  782.447322] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  782.452350]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  782.458823] syz-fuzzer cpuset=/ mems_allowed=0
[  782.463062]  ? __lock_acquire+0x62f/0x4c20
[  782.487193]  ? should_fail+0x22d/0xd01
[  782.491110]  ? mark_held_locks+0x130/0x130
[  782.495358]  ? mark_held_locks+0x130/0x130
[  782.499603]  ? lock_downgrade+0x900/0x900
[  782.503776]  ? graph_lock+0x270/0x270
[  782.507583]  ? print_usage_bug+0xc0/0xc0
[  782.511684]  ? trace_hardirqs_off+0xb8/0x310
[  782.516105]  ? kasan_check_read+0x11/0x20
[  782.520278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  782.525853]  ? check_preemption_disabled+0x48/0x280
[  782.530894]  ? __lock_is_held+0xb5/0x140
[  782.534978]  __alloc_pages_nodemask+0xa7b/0xdd0
[  782.539661]  ? graph_lock+0x270/0x270
[  782.543479]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  782.548518]  ? find_held_lock+0x36/0x1c0
[  782.552592]  ? ____cache_alloc_node+0x1c7/0x1e0
[  782.557267]  ? lock_downgrade+0x900/0x900
[  782.561438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  782.566991]  cache_grow_begin+0xa5/0x8c0
[  782.571061]  ? do_raw_spin_unlock+0xa7/0x330
[  782.575499]  fallback_alloc+0x204/0x2e0
[  782.579502]  ____cache_alloc_node+0x1c7/0x1e0
[  782.584009]  kmem_cache_alloc_node+0xe3/0x730
[  782.588525]  ? ipv6_get_ifaddr+0x42e/0x620
[  782.592800]  __alloc_skb+0x114/0x770
[  782.596535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  782.601864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  782.606280]  ? lock_downgrade+0x900/0x900
[  782.610445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  782.615994]  ? refcount_sub_and_test_checked+0x203/0x310
[  782.621455]  ? refcount_dec_if_one+0x180/0x180
[  782.626044]  ? addrconf_rs_timer+0x690/0x690
[  782.630470]  ndisc_alloc_skb+0x144/0x340
[  782.634544]  ndisc_send_rs+0x331/0x6e0
[  782.638445]  addrconf_rs_timer+0x314/0x690
[  782.642689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  782.646961]  call_timer_fn+0x26d/0x920
[  782.650853]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  782.655097]  ? process_timeout+0x40/0x40
[  782.659183]  ? __run_timers+0x7d5/0xc60
[  782.663179]  ? _raw_spin_unlock_irq+0x27/0x80
[  782.667728]  ? _raw_spin_unlock_irq+0x27/0x80
[  782.672229]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  782.676491]  ? lockdep_hardirqs_on+0x296/0x5b0
[  782.681084]  ? trace_hardirqs_on+0xbd/0x310
[  782.685414]  ? kasan_check_read+0x11/0x20
[  782.689566]  ? __run_timers+0x7d5/0xc60
[  782.693549]  ? trace_hardirqs_off_caller+0x300/0x300
[  782.698688]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  782.702932]  __run_timers+0x7e0/0xc60
[  782.706763]  ? timer_fixup_init+0x70/0x70
[  782.710920]  ? _raw_spin_unlock_irq+0x27/0x80
[  782.715421]  ? _raw_spin_unlock_irq+0x27/0x80
[  782.719927]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  782.724535]  ? trace_hardirqs_on+0xbd/0x310
[  782.728859]  ? kasan_check_read+0x11/0x20
[  782.733017]  ? finish_task_switch+0x1f4/0x920
[  782.737521]  ? trace_hardirqs_off_caller+0x300/0x300
[  782.742655]  ? compat_start_thread+0x80/0x80
[  782.747090]  ? pvclock_read_flags+0x160/0x160
[  782.751592]  ? __switch_to_asm+0x34/0x70
[  782.755662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  782.761229]  ? check_preemption_disabled+0x48/0x280
[  782.766272]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  782.771820]  ? rcu_pm_notify+0xc0/0xc0
[  782.775731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  782.781278]  ? check_preemption_disabled+0x48/0x280
[  782.786331]  run_timer_softirq+0x52/0xb0
[  782.790400]  ? rcu_read_lock_sched_held+0x14f/0x180
[  782.795429]  __do_softirq+0x308/0xb7e
[  782.799244]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  782.804023]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  782.809143]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  782.813932]  ? trace_hardirqs_off+0xb8/0x310
[  782.818351]  ? smpboot_thread_fn+0x68b/0xa00
[  782.822767]  ? trace_hardirqs_on+0x310/0x310
[  782.827224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  782.832792]  ? check_preemption_disabled+0x48/0x280
[  782.837818]  ? takeover_tasklets+0xa90/0xa90
[  782.842236]  run_ksoftirqd+0x5e/0x100
[  782.846064]  smpboot_thread_fn+0x68b/0xa00
[  782.850321]  ? sort_range+0x30/0x30
[  782.853959]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  782.859068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  782.864615]  ? __kthread_parkme+0xfb/0x1a0
[  782.868860]  ? sort_range+0x30/0x30
[  782.872508]  kthread+0x35a/0x440
[  782.875897]  ? kthread_stop+0x8f0/0x8f0
[  782.879883]  ret_from_fork+0x3a/0x50
[  782.883625] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  782.883752] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  782.891861] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  782.891867] Call Trace:
[  782.891873]  <IRQ>
[  782.891898]  dump_stack+0x244/0x39d
[  782.891916]  ? dump_stack_print_info.cold.1+0x20/0x20
[  782.891941]  warn_alloc.cold.116+0xb7/0x1bd
[  782.898486] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  782.907792]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  782.910361] ksoftirqd/0 cpuset=/ mems_allowed=0
[  782.912521]  ? lock_downgrade+0x900/0x900
[  782.949950]  ? trace_hardirqs_off+0xb8/0x310
[  782.954390]  ? trace_hardirqs_off+0xb8/0x310
[  782.958824]  __alloc_pages_slowpath+0x26fe/0x2e30
[  782.963724]  ? warn_alloc+0x120/0x120
[  782.967540]  ? print_usage_bug+0xc0/0xc0
[  782.971622]  ? warn_alloc+0x120/0x120
[  782.975477]  ? warn_alloc+0x120/0x120
[  782.979292]  ? print_usage_bug+0xc0/0xc0
[  782.983367]  ? print_usage_bug+0xc0/0xc0
[  782.987443]  ? __lock_acquire+0x62f/0x4c20
[  782.991702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  782.997247]  ? should_fail+0x22d/0xd01
[  783.001153]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  783.006284]  ? __lock_acquire+0x62f/0x4c20
[  783.010539]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  783.015686]  ? __lock_acquire+0x62f/0x4c20
[  783.019927]  ? should_fail+0x22d/0xd01
[  783.023856]  ? find_held_lock+0x36/0x1c0
[  783.027937]  ? mark_held_locks+0x130/0x130
[  783.032193]  ? mark_held_locks+0x130/0x130
[  783.036433]  ? graph_lock+0x270/0x270
[  783.040251]  ? graph_lock+0x270/0x270
[  783.044054]  ? print_usage_bug+0xc0/0xc0
[  783.048113]  ? do_raw_spin_unlock+0xa7/0x330
[  783.052522]  ? graph_lock+0x270/0x270
[  783.056342]  ? print_usage_bug+0xc0/0xc0
[  783.060407]  ? wq_watchdog_touch+0x9c/0xfe
[  783.064669]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.070213]  ? check_preemption_disabled+0x48/0x280
[  783.075756]  ? __lock_is_held+0xb5/0x140
[  783.079822]  __alloc_pages_nodemask+0xa7b/0xdd0
[  783.084495]  ? graph_lock+0x270/0x270
[  783.088311]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  783.093337]  ? find_held_lock+0x36/0x1c0
[  783.097413]  ? ____cache_alloc_node+0x1c7/0x1e0
[  783.102082]  ? lock_downgrade+0x900/0x900
[  783.106235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.111775]  cache_grow_begin+0xa5/0x8c0
[  783.115846]  ? do_raw_spin_unlock+0xa7/0x330
[  783.120269]  fallback_alloc+0x204/0x2e0
[  783.124264]  ____cache_alloc_node+0x1c7/0x1e0
[  783.128796]  kmem_cache_alloc_node+0xe3/0x730
[  783.133292]  ? ipv6_get_ifaddr+0x42e/0x620
[  783.137564]  __alloc_skb+0x114/0x770
[  783.141276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  783.146552]  ? netdev_alloc_frag+0x1f0/0x1f0
[  783.150952]  ? lock_downgrade+0x900/0x900
[  783.155106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.160642]  ? refcount_sub_and_test_checked+0x203/0x310
[  783.166113]  ? refcount_dec_if_one+0x180/0x180
[  783.170696]  ? addrconf_rs_timer+0x690/0x690
[  783.175120]  ndisc_alloc_skb+0x144/0x340
[  783.179191]  ndisc_send_rs+0x331/0x6e0
[  783.183099]  addrconf_rs_timer+0x314/0x690
[  783.187343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  783.191594]  call_timer_fn+0x26d/0x920
[  783.195481]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  783.199720]  ? process_timeout+0x40/0x40
[  783.203807]  ? mark_held_locks+0xc7/0x130
[  783.207964]  ? _raw_spin_unlock_irq+0x27/0x80
[  783.212484]  ? _raw_spin_unlock_irq+0x27/0x80
[  783.216977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  783.221234]  ? lockdep_hardirqs_on+0x296/0x5b0
[  783.225823]  ? trace_hardirqs_on+0xbd/0x310
[  783.230145]  ? kasan_check_read+0x11/0x20
[  783.234300]  ? __run_timers+0x7d5/0xc60
[  783.238277]  ? trace_hardirqs_off_caller+0x300/0x300
[  783.243390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  783.247648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  783.251915]  __run_timers+0x7e0/0xc60
[  783.255728]  ? timer_fixup_init+0x70/0x70
[  783.259909]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  783.264929]  ? graph_lock+0x270/0x270
[  783.268740]  ? print_usage_bug+0xc0/0xc0
[  783.272808]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  783.278004]  ? find_held_lock+0x36/0x1c0
[  783.282066]  ? graph_lock+0x270/0x270
[  783.285869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.291409]  ? check_preemption_disabled+0x48/0x280
[  783.296440]  ? __lock_is_held+0xb5/0x140
[  783.300507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.306064]  ? check_preemption_disabled+0x48/0x280
[  783.311090]  run_timer_softirq+0x52/0xb0
[  783.315154]  ? rcu_read_lock_sched_held+0x14f/0x180
[  783.320188]  __do_softirq+0x308/0xb7e
[  783.323996]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  783.328495]  ? lock_downgrade+0x900/0x900
[  783.332647]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  783.337768]  ? pvclock_read_flags+0x160/0x160
[  783.342269]  ? lapic_next_event+0x5a/0x90
[  783.346419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.351999]  ? kvm_clock_read+0x18/0x30
[  783.355971]  ? kvm_sched_clock_read+0x9/0x20
[  783.360380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  783.365916]  ? check_preemption_disabled+0x48/0x280
[  783.370954]  irq_exit+0x17f/0x1c0
[  783.374407]  smp_apic_timer_interrupt+0x1cb/0x760
[  783.379250]  ? smp_reschedule_interrupt+0x109/0x650
[  783.384263]  ? smp_call_function_single_interrupt+0x640/0x640
[  783.390170]  ? interrupt_entry+0xb5/0xc0
[  783.394254]  ? trace_hardirqs_off_caller+0xbb/0x300
[  783.399267]  ? trace_hardirqs_off_caller+0xbb/0x300
[  783.404289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  783.409145]  ? trace_hardirqs_on_caller+0x310/0x310
[  783.414175]  ? trace_hardirqs_on_caller+0x310/0x310
[  783.419249]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  783.424109]  apic_timer_interrupt+0xf/0x20
[  783.428340]  </IRQ>
[  783.430585] RIP: 0010:dump_stack+0x358/0x39d
[  783.434996] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  783.453907] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  783.461611] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  783.468892] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  783.476157] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  783.483432] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  783.490726] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  783.498012]  ? dump_stack+0x34f/0x39d
[  783.501822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  783.507045]  ? mark_held_locks+0x130/0x130
[  783.511296]  ? mark_held_locks+0x130/0x130
[  783.515580]  dump_header+0x27b/0xf72
[  783.519304]  ? pagefault_out_of_memory+0x197/0x197
[  783.524254]  ? mark_held_locks+0x130/0x130
[  783.528489]  ? __lock_acquire+0x62f/0x4c20
[  783.532721]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  783.537488]  ? print_usage_bug+0xc0/0xc0
[  783.541557]  ? graph_lock+0x270/0x270
[  783.545353]  ? graph_lock+0x270/0x270
[  783.549157]  ? print_usage_bug+0xc0/0xc0
[  783.553229]  ? print_usage_bug+0xc0/0xc0
[  783.557294]  ? graph_lock+0x270/0x270
[  783.561103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.566646]  ? find_held_lock+0x36/0x1c0
[  783.570722]  ? mark_held_locks+0xc7/0x130
[  783.574874]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  783.579977]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  783.585082]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  783.589664]  ? trace_hardirqs_on+0xbd/0x310
[  783.593993]  ? kasan_check_read+0x11/0x20
[  783.598141]  ? ___ratelimit+0x3b4/0x672
[  783.602122]  ? trace_hardirqs_off_caller+0x300/0x300
[  783.607230]  ? trace_hardirqs_on+0x310/0x310
[  783.611637]  ? lock_downgrade+0x900/0x900
[  783.615790]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  783.620891]  ? ___ratelimit+0x3b9/0x672
[  783.624864]  ? idr_get_free+0xf70/0xf70
[  783.628833]  ? kasan_check_read+0x11/0x20
[  783.632974]  ? do_raw_spin_unlock+0xa7/0x330
[  783.637387]  oom_kill_process.cold.27+0x10/0x903
[  783.642142]  ? graph_lock+0x270/0x270
[  783.645948]  ? _raw_spin_unlock+0x2c/0x50
[  783.650099]  ? oom_badness+0xe6/0xaa0
[  783.653903]  ? oom_evaluate_task+0x540/0x540
[  783.658342]  ? find_held_lock+0x36/0x1c0
[  783.662412]  ? out_of_memory+0x96f/0x1430
[  783.666562]  ? lock_downgrade+0x900/0x900
[  783.670706]  ? check_preemption_disabled+0x48/0x280
[  783.675725]  ? kasan_check_read+0x11/0x20
[  783.679914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  783.685209]  ? rcu_read_unlock_special+0x370/0x370
[  783.690150]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  783.695174]  ? oom_evaluate_task+0x302/0x540
[  783.699648]  out_of_memory+0xa7f/0x1430
[  783.703663]  ? oom_killer_disable+0x3a0/0x3a0
[  783.708172]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  783.713147]  ? __ww_mutex_check_waiters+0x160/0x160
[  783.718186]  __alloc_pages_slowpath+0x236a/0x2e30
[  783.723086]  ? warn_alloc+0x120/0x120
[  783.726882]  ? mark_held_locks+0x130/0x130
[  783.731136]  ? find_get_entry+0xaae/0x1120
[  783.735381]  ? filemap_map_pages+0x1a20/0x1a20
[  783.739963]  ? graph_lock+0x270/0x270
[  783.743764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.749310]  ? check_preemption_disabled+0x48/0x280
[  783.754343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  783.759905]  ? should_fail+0x22d/0xd01
[  783.763802]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  783.768936]  ? graph_lock+0x270/0x270
[  783.772764]  ? __lock_is_held+0xb5/0x140
[  783.776832]  ? mark_held_locks+0x130/0x130
[  783.781070]  ? lock_release+0xa10/0xa10
[  783.785079]  ? perf_trace_sched_process_exec+0x860/0x860
[  783.790539]  ? xa_load+0x2ba/0x460
[  783.794116]  ? lock_downgrade+0x900/0x900
[  783.798269]  ? __might_sleep+0x95/0x190
[  783.802270]  __alloc_pages_nodemask+0xa7b/0xdd0
[  783.806949]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  783.811968]  ? __page_cache_alloc+0x177/0x570
[  783.816462]  ? xa_load+0x2e1/0x460
[  783.820005]  ? xa_clear_mark+0x40/0x40
[  783.823897]  ? graph_lock+0x270/0x270
[  783.827710]  ? graph_lock+0x270/0x270
[  783.831512]  ? graph_lock+0x270/0x270
[  783.835332]  ? __do_page_cache_readahead+0x663/0x810
[  783.840445]  ? find_held_lock+0x36/0x1c0
[  783.844516]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  783.850075]  alloc_pages_current+0x173/0x350
[  783.854493]  __page_cache_alloc+0x3ce/0x570
[  783.858820]  ? kasan_check_read+0x11/0x20
[  783.862964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  783.868271]  ? generic_perform_write+0x6a0/0x6a0
[  783.873050]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  783.878605]  ? check_preemption_disabled+0x48/0x280
[  783.883634]  filemap_fault+0x1595/0x25f0
[  783.887716]  ? __lock_page_or_retry+0xa00/0xa00
[  783.892405]  ? mark_held_locks+0x130/0x130
[  783.896663]  ? filemap_map_pages+0xd6b/0x1a20
[  783.901172]  ? lock_downgrade+0x900/0x900
[  783.905347]  ? check_preemption_disabled+0x48/0x280
[  783.910369]  ? kasan_check_read+0x11/0x20
[  783.914516]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  783.919794]  ? rcu_read_unlock_special+0x370/0x370
[  783.924734]  ? filemap_map_pages+0xd92/0x1a20
[  783.929255]  ? find_get_entries_tag+0x1400/0x1400
[  783.934100]  ? debug_object_destroy+0x2b0/0x2b0
[  783.938775]  ? lock_pi_update_atomic+0x150/0x150
[  783.943542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  783.949119]  ? lock_acquire+0x1ed/0x520
[  783.953094]  ? ext4_filemap_fault+0x7a/0xad
[  783.957419]  ? lock_release+0xa10/0xa10
[  783.961408]  ? perf_trace_sched_process_exec+0x860/0x860
[  783.966861]  ? print_usage_bug+0xc0/0xc0
[  783.970929]  ? print_usage_bug+0xc0/0xc0
[  783.974996]  ? down_read+0x8d/0x120
[  783.978635]  ? ext4_filemap_fault+0x7a/0xad
[  783.982953]  ? __down_interruptible+0x700/0x700
[  783.987629]  ext4_filemap_fault+0x82/0xad
[  783.991781]  __do_fault+0x100/0x6b0
[  783.995398]  ? do_futex+0x1df/0x26d0
[  783.999124]  ? pmd_devmap_trans_unstable+0x220/0x220
[  784.004242]  ? mark_held_locks+0x130/0x130
[  784.008495]  ? mark_held_locks+0x130/0x130
[  784.012753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  784.018310]  __handle_mm_fault+0x3ea0/0x5be0
[  784.022720]  ? perf_trace_lock+0x7a0/0x7a0
[  784.027833]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  784.032695]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  784.037305]  ? graph_lock+0x270/0x270
[  784.041104]  ? graph_lock+0x270/0x270
[  784.044906]  ? __x64_sys_futex+0x53e/0x6a0
[  784.049146]  ? find_held_lock+0x36/0x1c0
[  784.053239]  ? handle_mm_fault+0x42a/0xc70
[  784.057489]  ? lock_downgrade+0x900/0x900
[  784.061638]  ? check_preemption_disabled+0x48/0x280
[  784.066658]  ? kasan_check_read+0x11/0x20
[  784.070824]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  784.076112]  ? rcu_read_unlock_special+0x370/0x370
[  784.081071]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  784.086608]  ? check_preemption_disabled+0x48/0x280
[  784.091666]  handle_mm_fault+0x54f/0xc70
[  784.095739]  ? __handle_mm_fault+0x5be0/0x5be0
[  784.100326]  ? find_vma+0x34/0x190
[  784.103897]  __do_page_fault+0x5d6/0xe40
[  784.107973]  ? trace_hardirqs_off+0xb8/0x310
[  784.112407]  do_page_fault+0xed/0x7d1
[  784.116228]  ? vmalloc_sync_all+0x30/0x30
[  784.120378]  ? error_entry+0x70/0xd0
[  784.124098]  ? trace_hardirqs_off_caller+0xbb/0x300
[  784.129112]  ? trace_hardirqs_on_caller+0xc0/0x310
[  784.134045]  ? syscall_return_slowpath+0x5e0/0x5e0
[  784.138977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  784.143815]  ? trace_hardirqs_on_caller+0x310/0x310
[  784.148829]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  784.154314]  ? prepare_exit_to_usermode+0x291/0x3b0
[  784.159328]  ? page_fault+0x8/0x30
[  784.162867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  784.167707]  ? page_fault+0x8/0x30
[  784.171255]  page_fault+0x1e/0x30
[  784.174707] RIP: 0033:0x45ddf3
[  784.177918] Code: Bad RIP value.
[  784.181294] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  784.186663] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  784.193936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  784.201207] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  784.208478] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  784.215744] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  784.223054] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  784.223060] warn_alloc_show_mem: 1 callbacks suppressed
[  784.223067] Mem-Info:
[  784.231135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  784.236504] active_anon:129018 inactive_anon:195 isolated_anon:0
[  784.236504]  active_file:12 inactive_file:15 isolated_file:0
[  784.236504]  unevictable:1 dirty:0 writeback:0 unstable:0
[  784.236504]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  784.236504]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  784.236504]  free:13741 free_pcp:161 free_cma:0
[  784.238871] Call Trace:
[  784.248258] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  784.281298]  dump_stack+0x244/0x39d
[  784.283861] 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
[  784.311442]  ? dump_stack_print_info.cold.1+0x20/0x20
[  784.315062] lowmem_reserve[]: 0 2818 6321 6321
[  784.341206]  warn_alloc.cold.116+0xb7/0x1bd
[  784.346364] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  784.350971]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  784.355282] lowmem_reserve[]: 0 0 3503 3503
[  784.382721]  ? lock_downgrade+0x900/0x900
[  784.387555] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  784.391887]  ? trace_hardirqs_off+0xb8/0x310
[  784.396008] lowmem_reserve[]: 0 0 0 0
[  784.424894]  ? trace_hardirqs_off+0xb8/0x310
[  784.429279] 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
[  784.433078]  __alloc_pages_slowpath+0x26fe/0x2e30
[  784.437458] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  784.451025]  ? warn_alloc+0x120/0x120
[  784.455825] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  784.470211]  ? print_usage_bug+0xc0/0xc0
[  784.473996] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  784.489238]  ? warn_alloc+0x120/0x120
[  784.493282] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  784.502123]  ? warn_alloc+0x120/0x120
[  784.505904] 296 total pagecache pages
[  784.514479]  ? print_usage_bug+0xc0/0xc0
[  784.518305] 0 pages in swap cache
[  784.522089]  ? print_usage_bug+0xc0/0xc0
[  784.526127] Swap cache stats: add 0, delete 0, find 0/0
[  784.529568]  ? __lock_acquire+0x62f/0x4c20
[  784.533608] Free swap  = 0kB
[  784.538967]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  784.543177] Total swap = 0kB
[  784.543185] 1965979 pages RAM
[  784.546224]  ? should_fail+0x22d/0xd01
[  784.551736] 0 pages HighMem/MovableOnly
[  784.554744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  784.557836] 342854 pages reserved
[  784.561716]  ? __lock_acquire+0x62f/0x4c20
[  784.565664] 0 pages cma reserved
[  784.570760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  784.574266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  784.578415]  ? __lock_acquire+0x62f/0x4c20
[  784.578430]  ? should_fail+0x22d/0xd01
[  784.581876] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  784.586878]  ? find_held_lock+0x36/0x1c0
[  784.593345] syz-fuzzer cpuset=/ mems_allowed=0
[  784.597572]  ? mark_held_locks+0x130/0x130
[  784.624517]  ? mark_held_locks+0x130/0x130
[  784.628749]  ? graph_lock+0x270/0x270
[  784.632544]  ? graph_lock+0x270/0x270
[  784.636345]  ? print_usage_bug+0xc0/0xc0
[  784.640412]  ? do_raw_spin_unlock+0xa7/0x330
[  784.644821]  ? graph_lock+0x270/0x270
[  784.648638]  ? print_usage_bug+0xc0/0xc0
[  784.652715]  ? wq_watchdog_touch+0x9c/0xfe
[  784.656947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  784.662484]  ? check_preemption_disabled+0x48/0x280
[  784.667511]  ? __lock_is_held+0xb5/0x140
[  784.671578]  __alloc_pages_nodemask+0xa7b/0xdd0
[  784.676291]  ? graph_lock+0x270/0x270
[  784.680091]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  784.685113]  ? find_held_lock+0x36/0x1c0
[  784.689195]  ? ____cache_alloc_node+0x1c7/0x1e0
[  784.693865]  ? lock_downgrade+0x900/0x900
[  784.698022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  784.703562]  cache_grow_begin+0xa5/0x8c0
[  784.707622]  ? do_raw_spin_unlock+0xa7/0x330
[  784.712040]  fallback_alloc+0x204/0x2e0
[  784.716027]  ____cache_alloc_node+0x1c7/0x1e0
[  784.720528]  kmem_cache_alloc_node+0xe3/0x730
[  784.725021]  ? ipv6_get_ifaddr+0x42e/0x620
[  784.729266]  __alloc_skb+0x114/0x770
[  784.732996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  784.738298]  ? netdev_alloc_frag+0x1f0/0x1f0
[  784.742720]  ? lock_downgrade+0x900/0x900
[  784.746879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  784.752447]  ? refcount_sub_and_test_checked+0x203/0x310
[  784.757901]  ? refcount_dec_if_one+0x180/0x180
[  784.762492]  ? addrconf_rs_timer+0x690/0x690
[  784.766974]  ndisc_alloc_skb+0x144/0x340
[  784.771060]  ndisc_send_rs+0x331/0x6e0
[  784.774950]  addrconf_rs_timer+0x314/0x690
[  784.779212]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  784.783464]  call_timer_fn+0x26d/0x920
[  784.787352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  784.791586]  ? process_timeout+0x40/0x40
[  784.795701]  ? __run_timers+0x7d5/0xc60
[  784.799679]  ? _raw_spin_unlock_irq+0x27/0x80
[  784.804183]  ? _raw_spin_unlock_irq+0x27/0x80
[  784.808675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  784.812907]  ? lockdep_hardirqs_on+0x296/0x5b0
[  784.817519]  ? trace_hardirqs_on+0xbd/0x310
[  784.821838]  ? kasan_check_read+0x11/0x20
[  784.825983]  ? __run_timers+0x7d5/0xc60
[  784.829956]  ? trace_hardirqs_off_caller+0x300/0x300
[  784.835061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  784.839304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  784.843542]  __run_timers+0x7e0/0xc60
[  784.847358]  ? timer_fixup_init+0x70/0x70
[  784.851533]  ? _raw_spin_unlock_irq+0x27/0x80
[  784.856037]  ? _raw_spin_unlock_irq+0x27/0x80
[  784.860542]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  784.865153]  ? trace_hardirqs_on+0xbd/0x310
[  784.869494]  ? kasan_check_read+0x11/0x20
[  784.873686]  ? finish_task_switch+0x1f4/0x920
[  784.878204]  ? trace_hardirqs_off_caller+0x300/0x300
[  784.883316]  ? compat_start_thread+0x80/0x80
[  784.887755]  ? pvclock_read_flags+0x160/0x160
[  784.892260]  ? __switch_to_asm+0x34/0x70
[  784.896332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  784.901880]  ? check_preemption_disabled+0x48/0x280
[  784.906915]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  784.912481]  ? rcu_pm_notify+0xc0/0xc0
[  784.916385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  784.921935]  ? check_preemption_disabled+0x48/0x280
[  784.926967]  run_timer_softirq+0x52/0xb0
[  784.931043]  ? rcu_read_lock_sched_held+0x14f/0x180
[  784.936084]  __do_softirq+0x308/0xb7e
[  784.939899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  784.945242]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  784.950359]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  784.955130]  ? trace_hardirqs_off+0xb8/0x310
[  784.959559]  ? smpboot_thread_fn+0x68b/0xa00
[  784.963991]  ? trace_hardirqs_on+0x310/0x310
[  784.968409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  784.973975]  ? check_preemption_disabled+0x48/0x280
[  784.978999]  ? takeover_tasklets+0xa90/0xa90
[  784.983413]  run_ksoftirqd+0x5e/0x100
[  784.987233]  smpboot_thread_fn+0x68b/0xa00
[  784.991478]  ? sort_range+0x30/0x30
[  784.995115]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  785.000233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  785.005800]  ? __kthread_parkme+0xfb/0x1a0
[  785.010054]  ? sort_range+0x30/0x30
[  785.013687]  kthread+0x35a/0x440
[  785.017060]  ? kthread_stop+0x8f0/0x8f0
[  785.021047]  ret_from_fork+0x3a/0x50
[  785.024806] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  785.024899] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  785.033046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  785.033051] Call Trace:
[  785.033058]  <IRQ>
[  785.033082]  dump_stack+0x244/0x39d
[  785.033102]  ? dump_stack_print_info.cold.1+0x20/0x20
[  785.033128]  warn_alloc.cold.116+0xb7/0x1bd
[  785.039734] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  785.049007]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  785.051574] ksoftirqd/0 cpuset=/ mems_allowed=0
[  785.053736]  ? lock_downgrade+0x900/0x900
[  785.091347]  ? trace_hardirqs_off+0xb8/0x310
[  785.095778]  ? trace_hardirqs_off+0xb8/0x310
[  785.100208]  __alloc_pages_slowpath+0x26fe/0x2e30
[  785.105084]  ? warn_alloc+0x120/0x120
[  785.108887]  ? print_usage_bug+0xc0/0xc0
[  785.112945]  ? warn_alloc+0x120/0x120
[  785.116746]  ? warn_alloc+0x120/0x120
[  785.120599]  ? print_usage_bug+0xc0/0xc0
[  785.124666]  ? kvm_clock_read+0x18/0x30
[  785.128647]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  785.133666]  ? print_usage_bug+0xc0/0xc0
[  785.137730]  ? __lock_acquire+0x62f/0x4c20
[  785.141978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  785.147526]  ? should_fail+0x22d/0xd01
[  785.151425]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  785.156815]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  785.161925]  ? __lock_acquire+0x62f/0x4c20
[  785.166169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  785.171312]  ? __lock_acquire+0x62f/0x4c20
[  785.175538]  ? should_fail+0x22d/0xd01
[  785.179424]  ? rcu_irq_exit+0x1a2/0x390
[  785.183418]  ? mark_held_locks+0x130/0x130
[  785.187651]  ? mark_held_locks+0x130/0x130
[  785.191907]  ? mark_held_locks+0xc7/0x130
[  785.196051]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  785.201063]  ? graph_lock+0x270/0x270
[  785.204873]  ? print_usage_bug+0xc0/0xc0
[  785.208931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.214482]  ? check_preemption_disabled+0x48/0x280
[  785.219520]  ? __lock_is_held+0xb5/0x140
[  785.223584]  __alloc_pages_nodemask+0xa7b/0xdd0
[  785.228250]  ? graph_lock+0x270/0x270
[  785.232055]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  785.237094]  ? find_held_lock+0x36/0x1c0
[  785.241190]  ? ____cache_alloc_node+0x1c7/0x1e0
[  785.245860]  ? lock_downgrade+0x900/0x900
[  785.250028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.255573]  cache_grow_begin+0xa5/0x8c0
[  785.259634]  ? do_raw_spin_unlock+0xa7/0x330
[  785.264075]  fallback_alloc+0x204/0x2e0
[  785.268049]  ____cache_alloc_node+0x1c7/0x1e0
[  785.272579]  kmem_cache_alloc_node+0xe3/0x730
[  785.277103]  ? ipv6_get_ifaddr+0x42e/0x620
[  785.281345]  __alloc_skb+0x114/0x770
[  785.285053]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  785.290345]  ? netdev_alloc_frag+0x1f0/0x1f0
[  785.294759]  ? lock_downgrade+0x900/0x900
[  785.298908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.304444]  ? refcount_sub_and_test_checked+0x203/0x310
[  785.309896]  ? refcount_dec_if_one+0x180/0x180
[  785.314472]  ? addrconf_rs_timer+0x690/0x690
[  785.318906]  ndisc_alloc_skb+0x144/0x340
[  785.322965]  ndisc_send_rs+0x331/0x6e0
[  785.326850]  addrconf_rs_timer+0x314/0x690
[  785.331090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  785.335324]  call_timer_fn+0x26d/0x920
[  785.339202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  785.343452]  ? process_timeout+0x40/0x40
[  785.347552]  ? mark_held_locks+0xc7/0x130
[  785.351709]  ? _raw_spin_unlock_irq+0x27/0x80
[  785.356233]  ? _raw_spin_unlock_irq+0x27/0x80
[  785.360733]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  785.364982]  ? lockdep_hardirqs_on+0x296/0x5b0
[  785.369592]  ? trace_hardirqs_on+0xbd/0x310
[  785.373909]  ? kasan_check_read+0x11/0x20
[  785.378051]  ? __run_timers+0x7d5/0xc60
[  785.382019]  ? trace_hardirqs_off_caller+0x300/0x300
[  785.387124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  785.391360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  785.395606]  __run_timers+0x7e0/0xc60
[  785.399428]  ? timer_fixup_init+0x70/0x70
[  785.403573]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  785.408685]  ? graph_lock+0x270/0x270
[  785.412493]  ? print_usage_bug+0xc0/0xc0
[  785.416557]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  785.421752]  ? find_held_lock+0x36/0x1c0
[  785.425841]  ? graph_lock+0x270/0x270
[  785.429653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.435201]  ? check_preemption_disabled+0x48/0x280
[  785.440237]  ? __lock_is_held+0xb5/0x140
[  785.444300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.449837]  ? check_preemption_disabled+0x48/0x280
[  785.454859]  run_timer_softirq+0x52/0xb0
[  785.458918]  ? rcu_read_lock_sched_held+0x14f/0x180
[  785.463946]  __do_softirq+0x308/0xb7e
[  785.467776]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  785.472265]  ? lock_downgrade+0x900/0x900
[  785.476430]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  785.481536]  ? pvclock_read_flags+0x160/0x160
[  785.486027]  ? lapic_next_event+0x5a/0x90
[  785.490176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.495734]  ? kvm_clock_read+0x18/0x30
[  785.499710]  ? kvm_sched_clock_read+0x9/0x20
[  785.504120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  785.509709]  ? check_preemption_disabled+0x48/0x280
[  785.514754]  irq_exit+0x17f/0x1c0
[  785.518226]  smp_apic_timer_interrupt+0x1cb/0x760
[  785.523065]  ? smp_reschedule_interrupt+0x109/0x650
[  785.528103]  ? smp_call_function_single_interrupt+0x640/0x640
[  785.533990]  ? interrupt_entry+0xb5/0xc0
[  785.538051]  ? trace_hardirqs_off_caller+0xbb/0x300
[  785.543064]  ? trace_hardirqs_off_caller+0xbb/0x300
[  785.548084]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  785.552927]  ? trace_hardirqs_on_caller+0x310/0x310
[  785.557947]  ? trace_hardirqs_on_caller+0x310/0x310
[  785.562971]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  785.567816]  apic_timer_interrupt+0xf/0x20
[  785.572041]  </IRQ>
[  785.574275] RIP: 0010:dump_stack+0x358/0x39d
[  785.578716] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  785.597619] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  785.605363] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  785.612678] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  785.619953] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  785.627229] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  785.634504] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  785.641810]  ? dump_stack+0x34f/0x39d
[  785.645633]  ? dump_stack_print_info.cold.1+0x20/0x20
[  785.650855]  ? mark_held_locks+0x130/0x130
[  785.655110]  ? mark_held_locks+0x130/0x130
[  785.659352]  dump_header+0x27b/0xf72
[  785.663083]  ? pagefault_out_of_memory+0x197/0x197
[  785.668020]  ? mark_held_locks+0x130/0x130
[  785.672260]  ? __lock_acquire+0x62f/0x4c20
[  785.676518]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  785.681285]  ? print_usage_bug+0xc0/0xc0
[  785.685384]  ? graph_lock+0x270/0x270
[  785.689189]  ? graph_lock+0x270/0x270
[  785.693014]  ? print_usage_bug+0xc0/0xc0
[  785.697107]  ? print_usage_bug+0xc0/0xc0
[  785.701184]  ? graph_lock+0x270/0x270
[  785.704996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.710572]  ? find_held_lock+0x36/0x1c0
[  785.714651]  ? mark_held_locks+0xc7/0x130
[  785.718815]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  785.723955]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  785.729095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  785.733690]  ? trace_hardirqs_on+0xbd/0x310
[  785.738049]  ? kasan_check_read+0x11/0x20
[  785.742203]  ? ___ratelimit+0x3b4/0x672
[  785.746191]  ? trace_hardirqs_off_caller+0x300/0x300
[  785.751306]  ? trace_hardirqs_on+0x310/0x310
[  785.755726]  ? lock_downgrade+0x900/0x900
[  785.759899]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  785.765008]  ? ___ratelimit+0x3b9/0x672
[  785.768983]  ? idr_get_free+0xf70/0xf70
[  785.772958]  ? kasan_check_read+0x11/0x20
[  785.777110]  ? do_raw_spin_unlock+0xa7/0x330
[  785.781540]  oom_kill_process.cold.27+0x10/0x903
[  785.786338]  ? graph_lock+0x270/0x270
[  785.790144]  ? _raw_spin_unlock+0x2c/0x50
[  785.794312]  ? oom_badness+0xe6/0xaa0
[  785.798137]  ? oom_evaluate_task+0x540/0x540
[  785.802565]  ? find_held_lock+0x36/0x1c0
[  785.806640]  ? out_of_memory+0x96f/0x1430
[  785.810814]  ? lock_downgrade+0x900/0x900
[  785.814964]  ? check_preemption_disabled+0x48/0x280
[  785.819995]  ? kasan_check_read+0x11/0x20
[  785.824147]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  785.829439]  ? rcu_read_unlock_special+0x370/0x370
[  785.834392]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  785.839410]  ? oom_evaluate_task+0x302/0x540
[  785.843864]  out_of_memory+0xa7f/0x1430
[  785.847849]  ? oom_killer_disable+0x3a0/0x3a0
[  785.852351]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  785.857291]  ? __ww_mutex_check_waiters+0x160/0x160
[  785.862341]  __alloc_pages_slowpath+0x236a/0x2e30
[  785.867224]  ? warn_alloc+0x120/0x120
[  785.871042]  ? mark_held_locks+0x130/0x130
[  785.875291]  ? find_get_entry+0xaae/0x1120
[  785.879541]  ? filemap_map_pages+0x1a20/0x1a20
[  785.884161]  ? graph_lock+0x270/0x270
[  785.887984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  785.893527]  ? check_preemption_disabled+0x48/0x280
[  785.898549]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  785.904092]  ? should_fail+0x22d/0xd01
[  785.907984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  785.913126]  ? graph_lock+0x270/0x270
[  785.916955]  ? __lock_is_held+0xb5/0x140
[  785.921034]  ? mark_held_locks+0x130/0x130
[  785.925276]  ? lock_release+0xa10/0xa10
[  785.929253]  ? perf_trace_sched_process_exec+0x860/0x860
[  785.934711]  ? xa_load+0x2ba/0x460
[  785.938268]  ? lock_downgrade+0x900/0x900
[  785.942424]  ? __might_sleep+0x95/0x190
[  785.946412]  __alloc_pages_nodemask+0xa7b/0xdd0
[  785.951098]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  785.956120]  ? __page_cache_alloc+0x177/0x570
[  785.960639]  ? xa_load+0x2e1/0x460
[  785.964205]  ? xa_clear_mark+0x40/0x40
[  785.968112]  ? graph_lock+0x270/0x270
[  785.971919]  ? graph_lock+0x270/0x270
[  785.975723]  ? graph_lock+0x270/0x270
[  785.979528]  ? __do_page_cache_readahead+0x663/0x810
[  785.984642]  ? find_held_lock+0x36/0x1c0
[  785.988735]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  785.994300]  alloc_pages_current+0x173/0x350
[  785.998723]  __page_cache_alloc+0x3ce/0x570
[  786.003056]  ? kasan_check_read+0x11/0x20
[  786.007208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  786.012530]  ? generic_perform_write+0x6a0/0x6a0
[  786.017305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  786.022857]  ? check_preemption_disabled+0x48/0x280
[  786.027905]  filemap_fault+0x1595/0x25f0
[  786.031987]  ? __lock_page_or_retry+0xa00/0xa00
[  786.036694]  ? mark_held_locks+0x130/0x130
[  786.040945]  ? filemap_map_pages+0xd6b/0x1a20
[  786.045450]  ? lock_downgrade+0x900/0x900
[  786.049603]  ? check_preemption_disabled+0x48/0x280
[  786.054640]  ? kasan_check_read+0x11/0x20
[  786.058843]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  786.064131]  ? rcu_read_unlock_special+0x370/0x370
[  786.069109]  ? filemap_map_pages+0xd92/0x1a20
[  786.073627]  ? find_get_entries_tag+0x1400/0x1400
[  786.078482]  ? debug_object_destroy+0x2b0/0x2b0
[  786.083182]  ? lock_pi_update_atomic+0x150/0x150
[  786.087944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  786.093525]  ? lock_acquire+0x1ed/0x520
[  786.097505]  ? ext4_filemap_fault+0x7a/0xad
[  786.101885]  ? lock_release+0xa10/0xa10
[  786.105886]  ? perf_trace_sched_process_exec+0x860/0x860
[  786.111350]  ? print_usage_bug+0xc0/0xc0
[  786.115418]  ? print_usage_bug+0xc0/0xc0
[  786.119509]  ? down_read+0x8d/0x120
[  786.123142]  ? ext4_filemap_fault+0x7a/0xad
[  786.127498]  ? __down_interruptible+0x700/0x700
[  786.132213]  ext4_filemap_fault+0x82/0xad
[  786.136373]  __do_fault+0x100/0x6b0
[  786.140000]  ? do_futex+0x1df/0x26d0
[  786.143728]  ? pmd_devmap_trans_unstable+0x220/0x220
[  786.148883]  ? mark_held_locks+0x130/0x130
[  786.153146]  ? mark_held_locks+0x130/0x130
[  786.157425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  786.162979]  __handle_mm_fault+0x3ea0/0x5be0
[  786.167400]  ? perf_trace_lock+0x7a0/0x7a0
[  786.171654]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  786.176528]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  786.181141]  ? graph_lock+0x270/0x270
[  786.184962]  ? graph_lock+0x270/0x270
[  786.188803]  ? __x64_sys_futex+0x53e/0x6a0
[  786.193051]  ? find_held_lock+0x36/0x1c0
[  786.197133]  ? handle_mm_fault+0x42a/0xc70
[  786.201390]  ? lock_downgrade+0x900/0x900
[  786.205547]  ? check_preemption_disabled+0x48/0x280
[  786.210580]  ? kasan_check_read+0x11/0x20
[  786.214736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  786.220037]  ? rcu_read_unlock_special+0x370/0x370
[  786.224979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  786.230576]  ? check_preemption_disabled+0x48/0x280
[  786.235617]  handle_mm_fault+0x54f/0xc70
[  786.239697]  ? __handle_mm_fault+0x5be0/0x5be0
[  786.244295]  ? find_vma+0x34/0x190
[  786.247893]  __do_page_fault+0x5d6/0xe40
[  786.251982]  ? trace_hardirqs_off+0xb8/0x310
[  786.256456]  do_page_fault+0xed/0x7d1
[  786.260268]  ? vmalloc_sync_all+0x30/0x30
[  786.264426]  ? error_entry+0x70/0xd0
[  786.268184]  ? trace_hardirqs_off_caller+0xbb/0x300
[  786.273207]  ? trace_hardirqs_on_caller+0xc0/0x310
[  786.278145]  ? syscall_return_slowpath+0x5e0/0x5e0
[  786.283119]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  786.288010]  ? trace_hardirqs_on_caller+0x310/0x310
[  786.293041]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  786.298518]  ? prepare_exit_to_usermode+0x291/0x3b0
[  786.303564]  ? page_fault+0x8/0x30
[  786.307117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  786.312034]  ? page_fault+0x8/0x30
[  786.315588]  page_fault+0x1e/0x30
[  786.319050] RIP: 0033:0x45ddf3
[  786.322255] Code: Bad RIP value.
[  786.325632] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  786.330997] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  786.338271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  786.345549] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  786.352842] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  786.360123] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  786.367453] warn_alloc_show_mem: 1 callbacks suppressed
[  786.367466] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  786.367468] Mem-Info:
[  786.367499] active_anon:129018 inactive_anon:195 isolated_anon:0
[  786.367499]  active_file:12 inactive_file:15 isolated_file:0
[  786.367499]  unevictable:1 dirty:0 writeback:0 unstable:0
[  786.367499]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  786.367499]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  786.367499]  free:13741 free_pcp:161 free_cma:0
[  786.372853] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  786.380920] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  786.383354] Call Trace:
[  786.416411] 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
[  786.425806]  dump_stack+0x244/0x39d
[  786.453377] lowmem_reserve[]: 0 2818 6321 6321
[  786.456013]  ? dump_stack_print_info.cold.1+0x20/0x20
[  786.482103] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  786.485777]  warn_alloc.cold.116+0xb7/0x1bd
[  786.490320] lowmem_reserve[]: 0 0 3503 3503
[  786.495528]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  786.522936] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  786.527280]  ? lock_downgrade+0x900/0x900
[  786.531564] lowmem_reserve[]: 0 0 0 0
[  786.536436]  ? trace_hardirqs_off+0xb8/0x310
[  786.565311] 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
[  786.569481]  ? trace_hardirqs_off+0xb8/0x310
[  786.573277] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  786.577710]  __alloc_pages_slowpath+0x26fe/0x2e30
[  786.591223] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  786.595679]  ? warn_alloc+0x120/0x120
[  786.610037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  786.614890]  ? print_usage_bug+0xc0/0xc0
[  786.630132] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  786.633938]  ? warn_alloc+0x120/0x120
[  786.642753] 296 total pagecache pages
[  786.646840]  ? warn_alloc+0x120/0x120
[  786.655422] 0 pages in swap cache
[  786.659239]  ? print_usage_bug+0xc0/0xc0
[  786.663006] Swap cache stats: add 0, delete 0, find 0/0
[  786.666801]  ? print_usage_bug+0xc0/0xc0
[  786.670287] Free swap  = 0kB
[  786.674344]  ? __lock_acquire+0x62f/0x4c20
[  786.679689] Total swap = 0kB
[  786.683753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  786.686739] 1965979 pages RAM
[  786.690972]  ? should_fail+0x22d/0xd01
[  786.694008] 0 pages HighMem/MovableOnly
[  786.699543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  786.702719] 342854 pages reserved
[  786.706620]  ? __lock_acquire+0x62f/0x4c20
[  786.710567] 0 pages cma reserved
[  786.715687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  786.719216] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  786.723342]  ? __lock_acquire+0x62f/0x4c20
[  786.723358]  ? should_fail+0x22d/0xd01
[  786.726834] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  786.731803]  ? find_held_lock+0x36/0x1c0
[  786.731826]  ? mark_held_locks+0x130/0x130
[  786.738659] syz-fuzzer cpuset=/ mems_allowed=0
[  786.742898]  ? mark_held_locks+0x130/0x130
[  786.742915]  ? graph_lock+0x270/0x270
[  786.778112]  ? mark_held_locks+0xc7/0x130
[  786.782279]  ? do_raw_spin_unlock+0xa7/0x330
[  786.786714]  ? graph_lock+0x270/0x270
[  786.790520]  ? print_usage_bug+0xc0/0xc0
[  786.794589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  786.800129]  ? check_preemption_disabled+0x48/0x280
[  786.805173]  ? __lock_is_held+0xb5/0x140
[  786.809271]  __alloc_pages_nodemask+0xa7b/0xdd0
[  786.813957]  ? graph_lock+0x270/0x270
[  786.817764]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  786.822822]  ? find_held_lock+0x36/0x1c0
[  786.826901]  ? ____cache_alloc_node+0x1c7/0x1e0
[  786.831572]  ? lock_downgrade+0x900/0x900
[  786.835732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  786.841287]  cache_grow_begin+0xa5/0x8c0
[  786.845360]  ? do_raw_spin_unlock+0xa7/0x330
[  786.849796]  fallback_alloc+0x204/0x2e0
[  786.853787]  ____cache_alloc_node+0x1c7/0x1e0
[  786.858295]  kmem_cache_alloc_node+0xe3/0x730
[  786.862810]  ? ipv6_get_ifaddr+0x42e/0x620
[  786.867077]  __alloc_skb+0x114/0x770
[  786.870832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  786.876120]  ? netdev_alloc_frag+0x1f0/0x1f0
[  786.880538]  ? lock_downgrade+0x900/0x900
[  786.884705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  786.890262]  ? refcount_sub_and_test_checked+0x203/0x310
[  786.895725]  ? refcount_dec_if_one+0x180/0x180
[  786.900323]  ? addrconf_rs_timer+0x690/0x690
[  786.904748]  ndisc_alloc_skb+0x144/0x340
[  786.908817]  ndisc_send_rs+0x331/0x6e0
[  786.912776]  addrconf_rs_timer+0x314/0x690
[  786.917018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  786.921267]  call_timer_fn+0x26d/0x920
[  786.925258]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  786.929510]  ? process_timeout+0x40/0x40
[  786.933585]  ? __run_timers+0x7d5/0xc60
[  786.937633]  ? _raw_spin_unlock_irq+0x27/0x80
[  786.942686]  ? _raw_spin_unlock_irq+0x27/0x80
[  786.947205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  786.951448]  ? lockdep_hardirqs_on+0x296/0x5b0
[  786.956054]  ? trace_hardirqs_on+0xbd/0x310
[  786.960396]  ? kasan_check_read+0x11/0x20
[  786.964551]  ? __run_timers+0x7d5/0xc60
[  786.968547]  ? trace_hardirqs_off_caller+0x300/0x300
[  786.973662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  786.977924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  786.982178]  __run_timers+0x7e0/0xc60
[  786.985993]  ? timer_fixup_init+0x70/0x70
[  786.990147]  ? _raw_spin_unlock_irq+0x27/0x80
[  786.994656]  ? _raw_spin_unlock_irq+0x27/0x80
[  786.999160]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  787.003771]  ? trace_hardirqs_on+0xbd/0x310
[  787.008103]  ? kasan_check_read+0x11/0x20
[  787.012266]  ? finish_task_switch+0x1f4/0x920
[  787.016779]  ? trace_hardirqs_off_caller+0x300/0x300
[  787.021888]  ? compat_start_thread+0x80/0x80
[  787.026341]  ? pvclock_read_flags+0x160/0x160
[  787.030843]  ? __switch_to_asm+0x34/0x70
[  787.034909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.040451]  ? check_preemption_disabled+0x48/0x280
[  787.045484]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  787.051024]  ? rcu_pm_notify+0xc0/0xc0
[  787.054913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.060465]  ? check_preemption_disabled+0x48/0x280
[  787.065490]  run_timer_softirq+0x52/0xb0
[  787.069556]  ? rcu_read_lock_sched_held+0x14f/0x180
[  787.074675]  __do_softirq+0x308/0xb7e
[  787.078497]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  787.083309]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  787.088422]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  787.093203]  ? trace_hardirqs_off+0xb8/0x310
[  787.097620]  ? smpboot_thread_fn+0x68b/0xa00
[  787.102033]  ? trace_hardirqs_on+0x310/0x310
[  787.106447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  787.111985]  ? check_preemption_disabled+0x48/0x280
[  787.117015]  ? takeover_tasklets+0xa90/0xa90
[  787.121425]  run_ksoftirqd+0x5e/0x100
[  787.125244]  smpboot_thread_fn+0x68b/0xa00
[  787.129498]  ? sort_range+0x30/0x30
[  787.133127]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  787.138231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  787.143772]  ? __kthread_parkme+0xfb/0x1a0
[  787.148013]  ? sort_range+0x30/0x30
[  787.151643]  kthread+0x35a/0x440
[  787.155015]  ? kthread_stop+0x8f0/0x8f0
[  787.158993]  ret_from_fork+0x3a/0x50
[  787.162744] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  787.162860] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  787.170975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  787.170980] Call Trace:
[  787.170986]  <IRQ>
[  787.171004]  dump_stack+0x244/0x39d
[  787.171021]  ? dump_stack_print_info.cold.1+0x20/0x20
[  787.177576] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  787.186855]  warn_alloc.cold.116+0xb7/0x1bd
[  787.189411] ksoftirqd/0 cpuset=/ mems_allowed=0
[  787.191560]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  787.224479]  ? lock_downgrade+0x900/0x900
[  787.228638]  ? trace_hardirqs_off+0xb8/0x310
[  787.233052]  ? trace_hardirqs_off+0xb8/0x310
[  787.237488]  __alloc_pages_slowpath+0x26fe/0x2e30
[  787.242390]  ? warn_alloc+0x120/0x120
[  787.246202]  ? print_usage_bug+0xc0/0xc0
[  787.250279]  ? warn_alloc+0x120/0x120
[  787.254082]  ? graph_lock+0x270/0x270
[  787.257887]  ? warn_alloc+0x120/0x120
[  787.261695]  ? print_usage_bug+0xc0/0xc0
[  787.265762]  ? print_usage_bug+0xc0/0xc0
[  787.269828]  ? check_usage_forwards+0x3d0/0x3d0
[  787.274503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  787.280053]  ? should_fail+0x22d/0xd01
[  787.283953]  ? __bfs+0x321/0x780
[  787.287332]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  787.292436]  ? __lock_acquire+0x62f/0x4c20
[  787.296696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  787.301796]  ? __lock_acquire+0x62f/0x4c20
[  787.306027]  ? should_fail+0x22d/0xd01
[  787.309928]  ? mark_held_locks+0x130/0x130
[  787.314176]  ? mark_held_locks+0x130/0x130
[  787.318420]  ? kasan_check_read+0x11/0x20
[  787.322587]  ? __lock_acquire+0x2aff/0x4c20
[  787.326911]  ? graph_lock+0x270/0x270
[  787.330717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.336255]  ? check_preemption_disabled+0x48/0x280
[  787.341281]  ? __lock_is_held+0xb5/0x140
[  787.345370]  __alloc_pages_nodemask+0xa7b/0xdd0
[  787.350051]  ? graph_lock+0x270/0x270
[  787.353857]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  787.358885]  ? find_held_lock+0x36/0x1c0
[  787.362955]  ? ____cache_alloc_node+0x1c7/0x1e0
[  787.367629]  ? lock_downgrade+0x900/0x900
[  787.371802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.377344]  cache_grow_begin+0xa5/0x8c0
[  787.381421]  ? do_raw_spin_unlock+0xa7/0x330
[  787.385839]  fallback_alloc+0x204/0x2e0
[  787.389848]  ____cache_alloc_node+0x1c7/0x1e0
[  787.394350]  kmem_cache_alloc_node+0xe3/0x730
[  787.398846]  ? do_raw_spin_unlock+0xa7/0x330
[  787.403288]  ? do_raw_spin_trylock+0x270/0x270
[  787.407881]  __alloc_skb+0x114/0x770
[  787.411716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  787.416126]  ? atomic_notifier_call_chain+0xc6/0x190
[  787.421246]  ? lock_downgrade+0x900/0x900
[  787.425410]  ? check_preemption_disabled+0x48/0x280
[  787.430432]  ? kasan_check_read+0x11/0x20
[  787.434575]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  787.439865]  ? rcu_read_unlock_special+0x370/0x370
[  787.444794]  ? do_raw_write_trylock+0x270/0x270
[  787.449475]  __neigh_notify+0x8c/0x160
[  787.453361]  ? neigh_connected_output+0x780/0x780
[  787.458235]  neigh_timer_handler+0x6cb/0xdf0
[  787.462662]  ? check_preemption_disabled+0x48/0x280
[  787.467693]  ? neigh_periodic_work+0xc60/0xc60
[  787.472275]  ? __lock_is_held+0xb5/0x140
[  787.476363]  call_timer_fn+0x26d/0x920
[  787.480253]  ? neigh_periodic_work+0xc60/0xc60
[  787.484830]  ? process_timeout+0x40/0x40
[  787.488907]  ? mark_held_locks+0xc7/0x130
[  787.493074]  ? _raw_spin_unlock_irq+0x27/0x80
[  787.497568]  ? _raw_spin_unlock_irq+0x27/0x80
[  787.502060]  ? neigh_periodic_work+0xc60/0xc60
[  787.506637]  ? lockdep_hardirqs_on+0x296/0x5b0
[  787.511277]  ? trace_hardirqs_on+0xbd/0x310
[  787.515610]  ? kasan_check_read+0x11/0x20
[  787.519751]  ? __run_timers+0x7d5/0xc60
[  787.523724]  ? trace_hardirqs_off_caller+0x300/0x300
[  787.528874]  ? neigh_periodic_work+0xc60/0xc60
[  787.533465]  __run_timers+0x7e0/0xc60
[  787.537288]  ? timer_fixup_init+0x70/0x70
[  787.541442]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  787.546462]  ? graph_lock+0x270/0x270
[  787.550286]  ? print_usage_bug+0xc0/0xc0
[  787.554365]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  787.559559]  ? find_held_lock+0x36/0x1c0
[  787.563624]  ? graph_lock+0x270/0x270
[  787.567431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.572971]  ? check_preemption_disabled+0x48/0x280
[  787.578010]  ? __lock_is_held+0xb5/0x140
[  787.582088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.587640]  ? check_preemption_disabled+0x48/0x280
[  787.592697]  run_timer_softirq+0x52/0xb0
[  787.596773]  ? rcu_read_lock_sched_held+0x14f/0x180
[  787.601804]  __do_softirq+0x308/0xb7e
[  787.605607]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  787.610098]  ? lock_downgrade+0x900/0x900
[  787.614255]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  787.619365]  ? pvclock_read_flags+0x160/0x160
[  787.623864]  ? lapic_next_event+0x5a/0x90
[  787.628029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.633575]  ? kvm_clock_read+0x18/0x30
[  787.637550]  ? kvm_sched_clock_read+0x9/0x20
[  787.641979]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  787.647518]  ? check_preemption_disabled+0x48/0x280
[  787.652545]  irq_exit+0x17f/0x1c0
[  787.656019]  smp_apic_timer_interrupt+0x1cb/0x760
[  787.660860]  ? smp_reschedule_interrupt+0x109/0x650
[  787.665881]  ? smp_call_function_single_interrupt+0x640/0x640
[  787.671768]  ? interrupt_entry+0xb5/0xc0
[  787.675845]  ? trace_hardirqs_off_caller+0xbb/0x300
[  787.680875]  ? trace_hardirqs_off_caller+0xbb/0x300
[  787.685890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  787.690739]  ? trace_hardirqs_on_caller+0x310/0x310
[  787.695756]  ? trace_hardirqs_on_caller+0x310/0x310
[  787.700787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  787.705636]  apic_timer_interrupt+0xf/0x20
[  787.709864]  </IRQ>
[  787.712111] RIP: 0010:dump_stack+0x358/0x39d
[  787.716524] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  787.735423] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  787.743130] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  787.750400] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  787.757666] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  787.764941] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  787.772222] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  787.779525]  ? dump_stack+0x34f/0x39d
[  787.783338]  ? dump_stack_print_info.cold.1+0x20/0x20
[  787.788529]  ? mark_held_locks+0x130/0x130
[  787.792762]  ? mark_held_locks+0x130/0x130
[  787.797000]  dump_header+0x27b/0xf72
[  787.800726]  ? pagefault_out_of_memory+0x197/0x197
[  787.805673]  ? mark_held_locks+0x130/0x130
[  787.809927]  ? __lock_acquire+0x62f/0x4c20
[  787.814192]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  787.818972]  ? print_usage_bug+0xc0/0xc0
[  787.823044]  ? graph_lock+0x270/0x270
[  787.826844]  ? graph_lock+0x270/0x270
[  787.830655]  ? print_usage_bug+0xc0/0xc0
[  787.834716]  ? print_usage_bug+0xc0/0xc0
[  787.838779]  ? graph_lock+0x270/0x270
[  787.842579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  787.848138]  ? find_held_lock+0x36/0x1c0
[  787.852276]  ? mark_held_locks+0xc7/0x130
[  787.856449]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  787.861552]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  787.866658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  787.871255]  ? trace_hardirqs_on+0xbd/0x310
[  787.875626]  ? kasan_check_read+0x11/0x20
[  787.879780]  ? ___ratelimit+0x3b4/0x672
[  787.883772]  ? trace_hardirqs_off_caller+0x300/0x300
[  787.888898]  ? trace_hardirqs_on+0x310/0x310
[  787.893330]  ? lock_downgrade+0x900/0x900
[  787.897495]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  787.902605]  ? ___ratelimit+0x3b9/0x672
[  787.906590]  ? idr_get_free+0xf70/0xf70
[  787.910573]  ? kasan_check_read+0x11/0x20
[  787.914732]  ? do_raw_spin_unlock+0xa7/0x330
[  787.919157]  oom_kill_process.cold.27+0x10/0x903
[  787.923957]  ? graph_lock+0x270/0x270
[  787.927772]  ? _raw_spin_unlock+0x2c/0x50
[  787.931927]  ? oom_badness+0xe6/0xaa0
[  787.935752]  ? oom_evaluate_task+0x540/0x540
[  787.940220]  ? find_held_lock+0x36/0x1c0
[  787.944324]  ? out_of_memory+0x96f/0x1430
[  787.948481]  ? lock_downgrade+0x900/0x900
[  787.952638]  ? check_preemption_disabled+0x48/0x280
[  787.957717]  ? kasan_check_read+0x11/0x20
[  787.961872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  787.967181]  ? rcu_read_unlock_special+0x370/0x370
[  787.972130]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  787.977177]  ? oom_evaluate_task+0x302/0x540
[  787.981599]  out_of_memory+0xa7f/0x1430
[  787.985592]  ? oom_killer_disable+0x3a0/0x3a0
[  787.990093]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  787.995032]  ? __ww_mutex_check_waiters+0x160/0x160
[  788.000074]  __alloc_pages_slowpath+0x236a/0x2e30
[  788.004963]  ? warn_alloc+0x120/0x120
[  788.008780]  ? mark_held_locks+0x130/0x130
[  788.013025]  ? find_get_entry+0xaae/0x1120
[  788.017278]  ? filemap_map_pages+0x1a20/0x1a20
[  788.021907]  ? graph_lock+0x270/0x270
[  788.025738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  788.031308]  ? check_preemption_disabled+0x48/0x280
[  788.036336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  788.041877]  ? should_fail+0x22d/0xd01
[  788.045780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  788.050882]  ? graph_lock+0x270/0x270
[  788.054708]  ? __lock_is_held+0xb5/0x140
[  788.058787]  ? mark_held_locks+0x130/0x130
[  788.063041]  ? lock_release+0xa10/0xa10
[  788.067022]  ? perf_trace_sched_process_exec+0x860/0x860
[  788.072478]  ? xa_load+0x2ba/0x460
[  788.076023]  ? lock_downgrade+0x900/0x900
[  788.080193]  ? __might_sleep+0x95/0x190
[  788.084186]  __alloc_pages_nodemask+0xa7b/0xdd0
[  788.088952]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  788.093988]  ? __page_cache_alloc+0x177/0x570
[  788.098484]  ? xa_load+0x2e1/0x460
[  788.102025]  ? xa_clear_mark+0x40/0x40
[  788.105917]  ? graph_lock+0x270/0x270
[  788.109730]  ? graph_lock+0x270/0x270
[  788.113529]  ? graph_lock+0x270/0x270
[  788.117332]  ? __do_page_cache_readahead+0x663/0x810
[  788.122443]  ? find_held_lock+0x36/0x1c0
[  788.126528]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  788.132076]  alloc_pages_current+0x173/0x350
[  788.136491]  __page_cache_alloc+0x3ce/0x570
[  788.140808]  ? kasan_check_read+0x11/0x20
[  788.144953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  788.150228]  ? generic_perform_write+0x6a0/0x6a0
[  788.155018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  788.160564]  ? check_preemption_disabled+0x48/0x280
[  788.165595]  filemap_fault+0x1595/0x25f0
[  788.169688]  ? __lock_page_or_retry+0xa00/0xa00
[  788.174373]  ? mark_held_locks+0x130/0x130
[  788.178617]  ? filemap_map_pages+0xd6b/0x1a20
[  788.183128]  ? lock_downgrade+0x900/0x900
[  788.187279]  ? check_preemption_disabled+0x48/0x280
[  788.192305]  ? kasan_check_read+0x11/0x20
[  788.196470]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  788.201794]  ? rcu_read_unlock_special+0x370/0x370
[  788.206756]  ? filemap_map_pages+0xd92/0x1a20
[  788.211268]  ? find_get_entries_tag+0x1400/0x1400
[  788.216127]  ? debug_object_destroy+0x2b0/0x2b0
[  788.220801]  ? lock_pi_update_atomic+0x150/0x150
[  788.225556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  788.231107]  ? lock_acquire+0x1ed/0x520
[  788.235081]  ? ext4_filemap_fault+0x7a/0xad
[  788.239410]  ? lock_release+0xa10/0xa10
[  788.243382]  ? perf_trace_sched_process_exec+0x860/0x860
[  788.248852]  ? print_usage_bug+0xc0/0xc0
[  788.252916]  ? print_usage_bug+0xc0/0xc0
[  788.256993]  ? down_read+0x8d/0x120
[  788.260620]  ? ext4_filemap_fault+0x7a/0xad
[  788.264943]  ? __down_interruptible+0x700/0x700
[  788.269621]  ext4_filemap_fault+0x82/0xad
[  788.273785]  __do_fault+0x100/0x6b0
[  788.277406]  ? do_futex+0x1df/0x26d0
[  788.281138]  ? pmd_devmap_trans_unstable+0x220/0x220
[  788.286255]  ? mark_held_locks+0x130/0x130
[  788.290490]  ? mark_held_locks+0x130/0x130
[  788.294748]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  788.300307]  __handle_mm_fault+0x3ea0/0x5be0
[  788.304713]  ? perf_trace_lock+0x7a0/0x7a0
[  788.308974]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  788.313824]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  788.318417]  ? graph_lock+0x270/0x270
[  788.322213]  ? graph_lock+0x270/0x270
[  788.326061]  ? __x64_sys_futex+0x53e/0x6a0
[  788.330315]  ? find_held_lock+0x36/0x1c0
[  788.334404]  ? handle_mm_fault+0x42a/0xc70
[  788.338662]  ? lock_downgrade+0x900/0x900
[  788.342809]  ? check_preemption_disabled+0x48/0x280
[  788.347831]  ? kasan_check_read+0x11/0x20
[  788.351976]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  788.357256]  ? rcu_read_unlock_special+0x370/0x370
[  788.362196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  788.367754]  ? check_preemption_disabled+0x48/0x280
[  788.372779]  handle_mm_fault+0x54f/0xc70
[  788.376847]  ? __handle_mm_fault+0x5be0/0x5be0
[  788.381436]  ? find_vma+0x34/0x190
[  788.384987]  __do_page_fault+0x5d6/0xe40
[  788.389050]  ? trace_hardirqs_off+0xb8/0x310
[  788.393472]  do_page_fault+0xed/0x7d1
[  788.397274]  ? vmalloc_sync_all+0x30/0x30
[  788.401437]  ? error_entry+0x70/0xd0
[  788.405152]  ? trace_hardirqs_off_caller+0xbb/0x300
[  788.410181]  ? trace_hardirqs_on_caller+0xc0/0x310
[  788.415130]  ? syscall_return_slowpath+0x5e0/0x5e0
[  788.420060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  788.424903]  ? trace_hardirqs_on_caller+0x310/0x310
[  788.429918]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  788.435373]  ? prepare_exit_to_usermode+0x291/0x3b0
[  788.440392]  ? page_fault+0x8/0x30
[  788.443945]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  788.448801]  ? page_fault+0x8/0x30
[  788.452343]  page_fault+0x1e/0x30
[  788.455795] RIP: 0033:0x45ddf3
[  788.459001] Code: Bad RIP value.
[  788.462382] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  788.467743] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  788.475021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  788.482287] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  788.489554] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  788.496825] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  788.504129] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  788.504142] warn_alloc_show_mem: 1 callbacks suppressed
[  788.504147] Mem-Info:
[  788.512208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  788.517585] active_anon:129018 inactive_anon:195 isolated_anon:0
[  788.517585]  active_file:12 inactive_file:15 isolated_file:0
[  788.517585]  unevictable:1 dirty:0 writeback:0 unstable:0
[  788.517585]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  788.517585]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  788.517585]  free:13741 free_pcp:161 free_cma:0
[  788.519998] Call Trace:
[  788.529419] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  788.562458]  dump_stack+0x244/0x39d
[  788.565037] 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
[  788.592613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  788.596217] lowmem_reserve[]: 0 2818 6321 6321
[  788.622344]  warn_alloc.cold.116+0xb7/0x1bd
[  788.627501] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  788.632080]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  788.636379] lowmem_reserve[]: 0 0 3503 3503
[  788.663819]  ? lock_downgrade+0x900/0x900
[  788.668649] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  788.673032]  ? trace_hardirqs_off+0xb8/0x310
[  788.677152] lowmem_reserve[]: 0 0 0 0
[  788.706052]  ? trace_hardirqs_off+0xb8/0x310
[  788.710433] 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
[  788.714232]  __alloc_pages_slowpath+0x26fe/0x2e30
[  788.718614] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  788.732157]  ? warn_alloc+0x120/0x120
[  788.736953] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  788.751356]  ? print_usage_bug+0xc0/0xc0
[  788.755138] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  788.770439]  ? warn_alloc+0x120/0x120
[  788.774497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  788.783320]  ? warn_alloc+0x120/0x120
[  788.787099] 296 total pagecache pages
[  788.795669]  ? print_usage_bug+0xc0/0xc0
[  788.799461] 0 pages in swap cache
[  788.803251]  ? print_usage_bug+0xc0/0xc0
[  788.807298] Swap cache stats: add 0, delete 0, find 0/0
[  788.810741]  ? __lock_acquire+0x62f/0x4c20
[  788.814781] Free swap  = 0kB
[  788.820137]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  788.824377] Total swap = 0kB
[  788.827406]  ? should_fail+0x22d/0xd01
[  788.832919] 1965979 pages RAM
[  788.835951]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  788.839818] 0 pages HighMem/MovableOnly
[  788.842919]  ? __lock_acquire+0x62f/0x4c20
[  788.848011] 342854 pages reserved
[  788.851998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  788.856225] 0 pages cma reserved
[  788.859707]  ? __lock_acquire+0x62f/0x4c20
[  788.864950] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  788.868155]  ? should_fail+0x22d/0xd01
[  788.872381] syz-fuzzer cpuset=/ mems_allowed=0
[  788.882607]  ? mark_held_locks+0x130/0x130
[  788.895318]  ? mark_held_locks+0x130/0x130
[  788.899568]  ? graph_lock+0x270/0x270
[  788.903404]  ? graph_lock+0x270/0x270
[  788.907214]  ? graph_lock+0x270/0x270
[  788.911032]  ? print_usage_bug+0xc0/0xc0
[  788.915095]  ? mark_held_locks+0x130/0x130
[  788.919331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  788.924881]  ? check_preemption_disabled+0x48/0x280
[  788.929950]  ? __lock_is_held+0xb5/0x140
[  788.934043]  __alloc_pages_nodemask+0xa7b/0xdd0
[  788.938710]  ? graph_lock+0x270/0x270
[  788.943020]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  788.948054]  ? find_held_lock+0x36/0x1c0
[  788.952127]  ? ____cache_alloc_node+0x1c7/0x1e0
[  788.956799]  ? lock_downgrade+0x900/0x900
[  788.960955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  788.966502]  cache_grow_begin+0xa5/0x8c0
[  788.970579]  ? do_raw_spin_unlock+0xa7/0x330
[  788.974993]  fallback_alloc+0x204/0x2e0
[  788.978991]  ____cache_alloc_node+0x1c7/0x1e0
[  788.983523]  kmem_cache_alloc_node+0xe3/0x730
[  788.988033]  ? ipv6_get_ifaddr+0x42e/0x620
[  788.992283]  __alloc_skb+0x114/0x770
[  788.996001]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  789.001284]  ? netdev_alloc_frag+0x1f0/0x1f0
[  789.005693]  ? lock_downgrade+0x900/0x900
[  789.009852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.015400]  ? refcount_sub_and_test_checked+0x203/0x310
[  789.020858]  ? refcount_dec_if_one+0x180/0x180
[  789.025442]  ? addrconf_rs_timer+0x690/0x690
[  789.029864]  ndisc_alloc_skb+0x144/0x340
[  789.033927]  ndisc_send_rs+0x331/0x6e0
[  789.037825]  addrconf_rs_timer+0x314/0x690
[  789.042083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.046335]  call_timer_fn+0x26d/0x920
[  789.050224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.054476]  ? process_timeout+0x40/0x40
[  789.058548]  ? __run_timers+0x7d5/0xc60
[  789.062530]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.067024]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.071516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.075881]  ? lockdep_hardirqs_on+0x296/0x5b0
[  789.080466]  ? trace_hardirqs_on+0xbd/0x310
[  789.084805]  ? kasan_check_read+0x11/0x20
[  789.088952]  ? __run_timers+0x7d5/0xc60
[  789.092929]  ? trace_hardirqs_off_caller+0x300/0x300
[  789.098070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.102321]  __run_timers+0x7e0/0xc60
[  789.106131]  ? timer_fixup_init+0x70/0x70
[  789.110278]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.114773]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.119275]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  789.123858]  ? trace_hardirqs_on+0xbd/0x310
[  789.128188]  ? kasan_check_read+0x11/0x20
[  789.132341]  ? finish_task_switch+0x1f4/0x920
[  789.136838]  ? trace_hardirqs_off_caller+0x300/0x300
[  789.141957]  ? compat_start_thread+0x80/0x80
[  789.146400]  ? pvclock_read_flags+0x160/0x160
[  789.150908]  ? __switch_to_asm+0x34/0x70
[  789.155019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.160572]  ? check_preemption_disabled+0x48/0x280
[  789.165607]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  789.171144]  ? rcu_pm_notify+0xc0/0xc0
[  789.175042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.180585]  ? check_preemption_disabled+0x48/0x280
[  789.185607]  run_timer_softirq+0x52/0xb0
[  789.189667]  ? rcu_read_lock_sched_held+0x14f/0x180
[  789.194682]  __do_softirq+0x308/0xb7e
[  789.198490]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  789.203270]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  789.208396]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  789.213173]  ? trace_hardirqs_off+0xb8/0x310
[  789.217605]  ? smpboot_thread_fn+0x68b/0xa00
[  789.222028]  ? trace_hardirqs_on+0x310/0x310
[  789.226436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  789.231972]  ? check_preemption_disabled+0x48/0x280
[  789.236993]  ? takeover_tasklets+0xa90/0xa90
[  789.241403]  run_ksoftirqd+0x5e/0x100
[  789.245209]  smpboot_thread_fn+0x68b/0xa00
[  789.249446]  ? sort_range+0x30/0x30
[  789.253075]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  789.258223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  789.263798]  ? __kthread_parkme+0xfb/0x1a0
[  789.268038]  ? sort_range+0x30/0x30
[  789.271664]  kthread+0x35a/0x440
[  789.275034]  ? kthread_stop+0x8f0/0x8f0
[  789.279022]  ret_from_fork+0x3a/0x50
[  789.282770] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  789.282857] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  789.291021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  789.291026] Call Trace:
[  789.291032]  <IRQ>
[  789.291049]  dump_stack+0x244/0x39d
[  789.291069]  ? dump_stack_print_info.cold.1+0x20/0x20
[  789.297604] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  789.306902]  warn_alloc.cold.116+0xb7/0x1bd
[  789.309456] ksoftirqd/0 cpuset=/ mems_allowed=0
[  789.311603]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  789.344523]  ? lock_downgrade+0x900/0x900
[  789.348695]  ? trace_hardirqs_off+0xb8/0x310
[  789.353120]  ? trace_hardirqs_off+0xb8/0x310
[  789.357540]  __alloc_pages_slowpath+0x26fe/0x2e30
[  789.362413]  ? warn_alloc+0x120/0x120
[  789.366232]  ? warn_alloc+0x120/0x120
[  789.370041]  ? warn_alloc+0x120/0x120
[  789.373849]  ? print_usage_bug+0xc0/0xc0
[  789.377914]  ? enqueue_hrtimer+0x1a0/0x560
[  789.382158]  ? print_usage_bug+0xc0/0xc0
[  789.386230]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  789.391434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  789.396972]  ? should_fail+0x22d/0xd01
[  789.400881]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  789.405997]  ? __lock_acquire+0x62f/0x4c20
[  789.410242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  789.415349]  ? __lock_acquire+0x62f/0x4c20
[  789.419583]  ? should_fail+0x22d/0xd01
[  789.423484]  ? mark_held_locks+0x130/0x130
[  789.427758]  ? mark_held_locks+0x130/0x130
[  789.432002]  ? graph_lock+0x270/0x270
[  789.435806]  ? print_usage_bug+0xc0/0xc0
[  789.439890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.445440]  ? check_preemption_disabled+0x48/0x280
[  789.450471]  ? __lock_is_held+0xb5/0x140
[  789.454555]  __alloc_pages_nodemask+0xa7b/0xdd0
[  789.459223]  ? graph_lock+0x270/0x270
[  789.463042]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  789.468073]  ? find_held_lock+0x36/0x1c0
[  789.472145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  789.476825]  ? lock_downgrade+0x900/0x900
[  789.480981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.486527]  cache_grow_begin+0xa5/0x8c0
[  789.490590]  ? do_raw_spin_unlock+0xa7/0x330
[  789.495023]  fallback_alloc+0x204/0x2e0
[  789.499024]  ____cache_alloc_node+0x1c7/0x1e0
[  789.503525]  kmem_cache_alloc_node+0xe3/0x730
[  789.508025]  ? ipv6_get_ifaddr+0x42e/0x620
[  789.512299]  __alloc_skb+0x114/0x770
[  789.516022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  789.521319]  ? netdev_alloc_frag+0x1f0/0x1f0
[  789.525728]  ? lock_downgrade+0x900/0x900
[  789.529882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.535432]  ? refcount_sub_and_test_checked+0x203/0x310
[  789.540890]  ? refcount_dec_if_one+0x180/0x180
[  789.545478]  ? addrconf_rs_timer+0x690/0x690
[  789.549915]  ndisc_alloc_skb+0x144/0x340
[  789.554006]  ndisc_send_rs+0x331/0x6e0
[  789.557896]  addrconf_rs_timer+0x314/0x690
[  789.562131]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.566384]  call_timer_fn+0x26d/0x920
[  789.570265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.574512]  ? process_timeout+0x40/0x40
[  789.578579]  ? mark_held_locks+0xc7/0x130
[  789.582742]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.587235]  ? _raw_spin_unlock_irq+0x27/0x80
[  789.591727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.595962]  ? lockdep_hardirqs_on+0x296/0x5b0
[  789.600547]  ? trace_hardirqs_on+0xbd/0x310
[  789.604950]  ? kasan_check_read+0x11/0x20
[  789.609109]  ? __run_timers+0x7d5/0xc60
[  789.613083]  ? trace_hardirqs_off_caller+0x300/0x300
[  789.618199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  789.622434]  __run_timers+0x7e0/0xc60
[  789.626246]  ? timer_fixup_init+0x70/0x70
[  789.630412]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  789.635433]  ? graph_lock+0x270/0x270
[  789.639239]  ? print_usage_bug+0xc0/0xc0
[  789.643315]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  789.648511]  ? find_held_lock+0x36/0x1c0
[  789.652598]  ? graph_lock+0x270/0x270
[  789.656405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.661942]  ? check_preemption_disabled+0x48/0x280
[  789.666970]  ? __lock_is_held+0xb5/0x140
[  789.671031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.676566]  ? check_preemption_disabled+0x48/0x280
[  789.681589]  run_timer_softirq+0x52/0xb0
[  789.685656]  ? rcu_read_lock_sched_held+0x14f/0x180
[  789.690681]  __do_softirq+0x308/0xb7e
[  789.694491]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  789.699012]  ? lock_downgrade+0x900/0x900
[  789.703162]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  789.708285]  ? pvclock_read_flags+0x160/0x160
[  789.712786]  ? lapic_next_event+0x5a/0x90
[  789.716935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.722477]  ? kvm_clock_read+0x18/0x30
[  789.726452]  ? kvm_sched_clock_read+0x9/0x20
[  789.730859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  789.736395]  ? check_preemption_disabled+0x48/0x280
[  789.741422]  irq_exit+0x17f/0x1c0
[  789.744873]  smp_apic_timer_interrupt+0x1cb/0x760
[  789.749740]  ? smp_reschedule_interrupt+0x109/0x650
[  789.754757]  ? smp_call_function_single_interrupt+0x640/0x640
[  789.760639]  ? interrupt_entry+0xb5/0xc0
[  789.764708]  ? trace_hardirqs_off_caller+0xbb/0x300
[  789.769820]  ? trace_hardirqs_off_caller+0xbb/0x300
[  789.774839]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  789.779700]  ? trace_hardirqs_on_caller+0x310/0x310
[  789.784713]  ? trace_hardirqs_on_caller+0x310/0x310
[  789.789738]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  789.794587]  apic_timer_interrupt+0xf/0x20
[  789.798814]  </IRQ>
[  789.801063] RIP: 0010:dump_stack+0x358/0x39d
[  789.805488] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  789.824383] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  789.832087] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  789.839352] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  789.846620] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  789.853886] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  789.861152] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  789.868450]  ? dump_stack+0x34f/0x39d
[  789.872267]  ? dump_stack_print_info.cold.1+0x20/0x20
[  789.877491]  ? mark_held_locks+0x130/0x130
[  789.881772]  ? mark_held_locks+0x130/0x130
[  789.886017]  dump_header+0x27b/0xf72
[  789.889741]  ? pagefault_out_of_memory+0x197/0x197
[  789.894673]  ? mark_held_locks+0x130/0x130
[  789.898934]  ? __lock_acquire+0x62f/0x4c20
[  789.903172]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  789.908024]  ? print_usage_bug+0xc0/0xc0
[  789.912095]  ? graph_lock+0x270/0x270
[  789.915908]  ? graph_lock+0x270/0x270
[  789.919714]  ? print_usage_bug+0xc0/0xc0
[  789.923790]  ? print_usage_bug+0xc0/0xc0
[  789.927856]  ? graph_lock+0x270/0x270
[  789.931665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  789.937215]  ? find_held_lock+0x36/0x1c0
[  789.941302]  ? mark_held_locks+0xc7/0x130
[  789.945455]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  789.950562]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  789.955668]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  789.960263]  ? trace_hardirqs_on+0xbd/0x310
[  789.964586]  ? kasan_check_read+0x11/0x20
[  789.968733]  ? ___ratelimit+0x3b4/0x672
[  789.972722]  ? trace_hardirqs_off_caller+0x300/0x300
[  789.977847]  ? trace_hardirqs_on+0x310/0x310
[  789.982259]  ? lock_downgrade+0x900/0x900
[  789.986418]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  789.991564]  ? ___ratelimit+0x3b9/0x672
[  789.995544]  ? idr_get_free+0xf70/0xf70
[  789.999521]  ? kasan_check_read+0x11/0x20
[  790.003692]  ? do_raw_spin_unlock+0xa7/0x330
[  790.008136]  oom_kill_process.cold.27+0x10/0x903
[  790.012906]  ? graph_lock+0x270/0x270
[  790.016711]  ? _raw_spin_unlock+0x2c/0x50
[  790.020887]  ? oom_badness+0xe6/0xaa0
[  790.024699]  ? oom_evaluate_task+0x540/0x540
[  790.029137]  ? find_held_lock+0x36/0x1c0
[  790.033256]  ? out_of_memory+0x96f/0x1430
[  790.037457]  ? lock_downgrade+0x900/0x900
[  790.041641]  ? check_preemption_disabled+0x48/0x280
[  790.046660]  ? kasan_check_read+0x11/0x20
[  790.050819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  790.056113]  ? rcu_read_unlock_special+0x370/0x370
[  790.061049]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  790.066081]  ? oom_evaluate_task+0x302/0x540
[  790.070495]  out_of_memory+0xa7f/0x1430
[  790.074482]  ? oom_killer_disable+0x3a0/0x3a0
[  790.078979]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  790.083917]  ? __ww_mutex_check_waiters+0x160/0x160
[  790.088956]  __alloc_pages_slowpath+0x236a/0x2e30
[  790.093839]  ? warn_alloc+0x120/0x120
[  790.097648]  ? mark_held_locks+0x130/0x130
[  790.101905]  ? find_get_entry+0xaae/0x1120
[  790.106161]  ? filemap_map_pages+0x1a20/0x1a20
[  790.110770]  ? graph_lock+0x270/0x270
[  790.114588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  790.120158]  ? check_preemption_disabled+0x48/0x280
[  790.125203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  790.130790]  ? should_fail+0x22d/0xd01
[  790.134694]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  790.139814]  ? graph_lock+0x270/0x270
[  790.143647]  ? __lock_is_held+0xb5/0x140
[  790.147729]  ? mark_held_locks+0x130/0x130
[  790.151974]  ? lock_release+0xa10/0xa10
[  790.155961]  ? perf_trace_sched_process_exec+0x860/0x860
[  790.161425]  ? xa_load+0x2ba/0x460
[  790.164977]  ? lock_downgrade+0x900/0x900
[  790.169135]  ? __might_sleep+0x95/0x190
[  790.173131]  __alloc_pages_nodemask+0xa7b/0xdd0
[  790.177829]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  790.182918]  ? __page_cache_alloc+0x177/0x570
[  790.187422]  ? xa_load+0x2e1/0x460
[  790.190973]  ? xa_clear_mark+0x40/0x40
[  790.194872]  ? graph_lock+0x270/0x270
[  790.198694]  ? graph_lock+0x270/0x270
[  790.202502]  ? graph_lock+0x270/0x270
[  790.206313]  ? __do_page_cache_readahead+0x663/0x810
[  790.211452]  ? find_held_lock+0x36/0x1c0
[  790.215542]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  790.221097]  alloc_pages_current+0x173/0x350
[  790.225533]  __page_cache_alloc+0x3ce/0x570
[  790.229867]  ? kasan_check_read+0x11/0x20
[  790.234022]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  790.239324]  ? generic_perform_write+0x6a0/0x6a0
[  790.244093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  790.249658]  ? check_preemption_disabled+0x48/0x280
[  790.254716]  filemap_fault+0x1595/0x25f0
[  790.258819]  ? __lock_page_or_retry+0xa00/0xa00
[  790.263514]  ? mark_held_locks+0x130/0x130
[  790.267766]  ? filemap_map_pages+0xd6b/0x1a20
[  790.272270]  ? lock_downgrade+0x900/0x900
[  790.276433]  ? check_preemption_disabled+0x48/0x280
[  790.281465]  ? kasan_check_read+0x11/0x20
[  790.285623]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  790.290918]  ? rcu_read_unlock_special+0x370/0x370
[  790.295878]  ? filemap_map_pages+0xd92/0x1a20
[  790.300401]  ? find_get_entries_tag+0x1400/0x1400
[  790.305257]  ? debug_object_destroy+0x2b0/0x2b0
[  790.309962]  ? lock_pi_update_atomic+0x150/0x150
[  790.314736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  790.320307]  ? lock_acquire+0x1ed/0x520
[  790.324295]  ? ext4_filemap_fault+0x7a/0xad
[  790.328635]  ? lock_release+0xa10/0xa10
[  790.332611]  ? perf_trace_sched_process_exec+0x860/0x860
[  790.338066]  ? print_usage_bug+0xc0/0xc0
[  790.342135]  ? print_usage_bug+0xc0/0xc0
[  790.346220]  ? down_read+0x8d/0x120
[  790.349846]  ? ext4_filemap_fault+0x7a/0xad
[  790.354182]  ? __down_interruptible+0x700/0x700
[  790.358872]  ext4_filemap_fault+0x82/0xad
[  790.363035]  __do_fault+0x100/0x6b0
[  790.366660]  ? do_futex+0x1df/0x26d0
[  790.370382]  ? pmd_devmap_trans_unstable+0x220/0x220
[  790.375492]  ? mark_held_locks+0x130/0x130
[  790.379728]  ? mark_held_locks+0x130/0x130
[  790.383978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  790.389536]  __handle_mm_fault+0x3ea0/0x5be0
[  790.393944]  ? perf_trace_lock+0x7a0/0x7a0
[  790.398193]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  790.403049]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  790.407646]  ? graph_lock+0x270/0x270
[  790.411454]  ? graph_lock+0x270/0x270
[  790.415259]  ? __x64_sys_futex+0x53e/0x6a0
[  790.419499]  ? find_held_lock+0x36/0x1c0
[  790.423571]  ? handle_mm_fault+0x42a/0xc70
[  790.427815]  ? lock_downgrade+0x900/0x900
[  790.431968]  ? check_preemption_disabled+0x48/0x280
[  790.437010]  ? kasan_check_read+0x11/0x20
[  790.441161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  790.446450]  ? rcu_read_unlock_special+0x370/0x370
[  790.451381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  790.456918]  ? check_preemption_disabled+0x48/0x280
[  790.461943]  handle_mm_fault+0x54f/0xc70
[  790.466009]  ? __handle_mm_fault+0x5be0/0x5be0
[  790.470598]  ? find_vma+0x34/0x190
[  790.474152]  __do_page_fault+0x5d6/0xe40
[  790.478226]  ? trace_hardirqs_off+0xb8/0x310
[  790.482650]  do_page_fault+0xed/0x7d1
[  790.486470]  ? vmalloc_sync_all+0x30/0x30
[  790.490615]  ? error_entry+0x70/0xd0
[  790.494335]  ? trace_hardirqs_off_caller+0xbb/0x300
[  790.499362]  ? trace_hardirqs_on_caller+0xc0/0x310
[  790.504292]  ? syscall_return_slowpath+0x5e0/0x5e0
[  790.509237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  790.514084]  ? trace_hardirqs_on_caller+0x310/0x310
[  790.519101]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  790.524564]  ? prepare_exit_to_usermode+0x291/0x3b0
[  790.529578]  ? page_fault+0x8/0x30
[  790.533123]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  790.537971]  ? page_fault+0x8/0x30
[  790.541511]  page_fault+0x1e/0x30
[  790.544968] RIP: 0033:0x45ddf3
[  790.548184] Code: Bad RIP value.
[  790.551547] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  790.556908] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  790.564196] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  790.571462] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  790.578738] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  790.586000] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  790.593292] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  790.593297] warn_alloc_show_mem: 1 callbacks suppressed
[  790.593304] Mem-Info:
[  790.601352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  790.606721] active_anon:129018 inactive_anon:195 isolated_anon:0
[  790.606721]  active_file:12 inactive_file:15 isolated_file:0
[  790.606721]  unevictable:1 dirty:0 writeback:0 unstable:0
[  790.606721]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  790.606721]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  790.606721]  free:13741 free_pcp:161 free_cma:0
[  790.609093] Call Trace:
[  790.618477] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  790.651503]  dump_stack+0x244/0x39d
[  790.654059] 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
[  790.681773]  ? dump_stack_print_info.cold.1+0x20/0x20
[  790.685377] lowmem_reserve[]: 0 2818 6321 6321
[  790.711494]  warn_alloc.cold.116+0xb7/0x1bd
[  790.716650] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  790.721225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  790.725520] lowmem_reserve[]: 0 0 3503 3503
[  790.753112]  ? lock_downgrade+0x900/0x900
[  790.757926] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  790.762246]  ? trace_hardirqs_off+0xb8/0x310
[  790.766366] lowmem_reserve[]: 0 0 0 0
[  790.795276]  ? trace_hardirqs_off+0xb8/0x310
[  790.799690] 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
[  790.803500]  __alloc_pages_slowpath+0x26fe/0x2e30
[  790.807880] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  790.821418]  ? warn_alloc+0x120/0x120
[  790.826232] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  790.840632]  ? print_usage_bug+0xc0/0xc0
[  790.844432] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  790.859681]  ? warn_alloc+0x120/0x120
[  790.863728] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  790.872551]  ? warn_alloc+0x120/0x120
[  790.876327] 296 total pagecache pages
[  790.884911]  ? print_usage_bug+0xc0/0xc0
[  790.888698] 0 pages in swap cache
[  790.892497]  ? print_usage_bug+0xc0/0xc0
[  790.896538] Swap cache stats: add 0, delete 0, find 0/0
[  790.899983]  ? __lock_acquire+0x62f/0x4c20
[  790.904019] Free swap  = 0kB
[  790.909382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  790.913590] Total swap = 0kB
[  790.916603]  ? should_fail+0x22d/0xd01
[  790.922147] 1965979 pages RAM
[  790.925189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  790.929042] 0 pages HighMem/MovableOnly
[  790.932141]  ? __lock_acquire+0x62f/0x4c20
[  790.937224] 342854 pages reserved
[  790.941281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  790.945598] 0 pages cma reserved
[  790.945704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  790.949051]  ? __lock_acquire+0x62f/0x4c20
[  790.949063]  ? should_fail+0x22d/0xd01
[  790.949079]  ? find_held_lock+0x36/0x1c0
[  790.949101]  ? mark_held_locks+0x130/0x130
[  790.954281] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  790.957560]  ? mark_held_locks+0x130/0x130
[  790.964289] syz-fuzzer cpuset=/ mems_allowed=0
[  790.968519]  ? graph_lock+0x270/0x270
[  791.003516]  ? graph_lock+0x270/0x270
[  791.007365]  ? print_usage_bug+0xc0/0xc0
[  791.011433]  ? do_raw_spin_unlock+0xa7/0x330
[  791.015847]  ? graph_lock+0x270/0x270
[  791.019676]  ? print_usage_bug+0xc0/0xc0
[  791.023739]  ? wq_watchdog_touch+0x9c/0xfe
[  791.028005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.033558]  ? check_preemption_disabled+0x48/0x280
[  791.038609]  ? __lock_is_held+0xb5/0x140
[  791.042671]  __alloc_pages_nodemask+0xa7b/0xdd0
[  791.047370]  ? graph_lock+0x270/0x270
[  791.051187]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  791.056220]  ? find_held_lock+0x36/0x1c0
[  791.060292]  ? ____cache_alloc_node+0x1c7/0x1e0
[  791.064961]  ? lock_downgrade+0x900/0x900
[  791.069131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.074680]  cache_grow_begin+0xa5/0x8c0
[  791.078739]  ? do_raw_spin_unlock+0xa7/0x330
[  791.083154]  fallback_alloc+0x204/0x2e0
[  791.087181]  ____cache_alloc_node+0x1c7/0x1e0
[  791.091757]  kmem_cache_alloc_node+0xe3/0x730
[  791.096256]  ? ipv6_get_ifaddr+0x42e/0x620
[  791.100516]  __alloc_skb+0x114/0x770
[  791.104227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  791.109501]  ? netdev_alloc_frag+0x1f0/0x1f0
[  791.113904]  ? lock_downgrade+0x900/0x900
[  791.118079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.123622]  ? refcount_sub_and_test_checked+0x203/0x310
[  791.129093]  ? refcount_dec_if_one+0x180/0x180
[  791.133683]  ? addrconf_rs_timer+0x690/0x690
[  791.138104]  ndisc_alloc_skb+0x144/0x340
[  791.142175]  ndisc_send_rs+0x331/0x6e0
[  791.146073]  addrconf_rs_timer+0x314/0x690
[  791.150323]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.154570]  call_timer_fn+0x26d/0x920
[  791.158459]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.162706]  ? process_timeout+0x40/0x40
[  791.166791]  ? __run_timers+0x7d5/0xc60
[  791.170768]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.175277]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.179788]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.184026]  ? lockdep_hardirqs_on+0x296/0x5b0
[  791.188614]  ? trace_hardirqs_on+0xbd/0x310
[  791.192954]  ? kasan_check_read+0x11/0x20
[  791.197101]  ? __run_timers+0x7d5/0xc60
[  791.201081]  ? trace_hardirqs_off_caller+0x300/0x300
[  791.206199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.210440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.214694]  __run_timers+0x7e0/0xc60
[  791.218507]  ? timer_fixup_init+0x70/0x70
[  791.222660]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.227154]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.231670]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  791.236254]  ? trace_hardirqs_on+0xbd/0x310
[  791.240580]  ? kasan_check_read+0x11/0x20
[  791.244730]  ? finish_task_switch+0x1f4/0x920
[  791.249243]  ? trace_hardirqs_off_caller+0x300/0x300
[  791.254345]  ? compat_start_thread+0x80/0x80
[  791.258812]  ? pvclock_read_flags+0x160/0x160
[  791.263309]  ? __switch_to_asm+0x34/0x70
[  791.267386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.272968]  ? check_preemption_disabled+0x48/0x280
[  791.277994]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  791.283531]  ? rcu_pm_notify+0xc0/0xc0
[  791.287420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.292952]  ? check_preemption_disabled+0x48/0x280
[  791.297975]  run_timer_softirq+0x52/0xb0
[  791.302033]  ? rcu_read_lock_sched_held+0x14f/0x180
[  791.307068]  __do_softirq+0x308/0xb7e
[  791.310885]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  791.315658]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  791.320767]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  791.325542]  ? trace_hardirqs_off+0xb8/0x310
[  791.329949]  ? smpboot_thread_fn+0x68b/0xa00
[  791.334360]  ? trace_hardirqs_on+0x310/0x310
[  791.338766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  791.344300]  ? check_preemption_disabled+0x48/0x280
[  791.349321]  ? takeover_tasklets+0xa90/0xa90
[  791.353732]  run_ksoftirqd+0x5e/0x100
[  791.357545]  smpboot_thread_fn+0x68b/0xa00
[  791.361792]  ? sort_range+0x30/0x30
[  791.365421]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  791.370523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  791.376058]  ? __kthread_parkme+0xfb/0x1a0
[  791.380293]  ? sort_range+0x30/0x30
[  791.383936]  kthread+0x35a/0x440
[  791.387319]  ? kthread_stop+0x8f0/0x8f0
[  791.391316]  ret_from_fork+0x3a/0x50
[  791.395046] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  791.395127] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  791.403277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  791.403283] Call Trace:
[  791.403289]  <IRQ>
[  791.403307]  dump_stack+0x244/0x39d
[  791.403325]  ? dump_stack_print_info.cold.1+0x20/0x20
[  791.409899] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  791.419176]  warn_alloc.cold.116+0xb7/0x1bd
[  791.421739] ksoftirqd/0 cpuset=/ mems_allowed=0
[  791.423882]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  791.456805]  ? lock_downgrade+0x900/0x900
[  791.460960]  ? trace_hardirqs_off+0xb8/0x310
[  791.465373]  ? trace_hardirqs_off+0xb8/0x310
[  791.469796]  __alloc_pages_slowpath+0x26fe/0x2e30
[  791.474685]  ? warn_alloc+0x120/0x120
[  791.478491]  ? print_usage_bug+0xc0/0xc0
[  791.482551]  ? warn_alloc+0x120/0x120
[  791.486371]  ? warn_alloc+0x120/0x120
[  791.490201]  ? print_usage_bug+0xc0/0xc0
[  791.494319]  ? print_usage_bug+0xc0/0xc0
[  791.498384]  ? __lock_acquire+0x62f/0x4c20
[  791.502624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  791.508160]  ? should_fail+0x22d/0xd01
[  791.512061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  791.517180]  ? __lock_acquire+0x62f/0x4c20
[  791.521453]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  791.526558]  ? __lock_acquire+0x62f/0x4c20
[  791.530795]  ? should_fail+0x22d/0xd01
[  791.534700]  ? find_held_lock+0x36/0x1c0
[  791.538783]  ? mark_held_locks+0x130/0x130
[  791.543022]  ? mark_held_locks+0x130/0x130
[  791.547268]  ? graph_lock+0x270/0x270
[  791.551086]  ? graph_lock+0x270/0x270
[  791.554900]  ? print_usage_bug+0xc0/0xc0
[  791.558959]  ? do_raw_spin_unlock+0xa7/0x330
[  791.563365]  ? graph_lock+0x270/0x270
[  791.567162]  ? print_usage_bug+0xc0/0xc0
[  791.571263]  ? wq_watchdog_touch+0x9c/0xfe
[  791.575500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.581035]  ? check_preemption_disabled+0x48/0x280
[  791.586070]  ? __lock_is_held+0xb5/0x140
[  791.590132]  __alloc_pages_nodemask+0xa7b/0xdd0
[  791.594831]  ? graph_lock+0x270/0x270
[  791.598636]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  791.603659]  ? find_held_lock+0x36/0x1c0
[  791.607741]  ? ____cache_alloc_node+0x1c7/0x1e0
[  791.612405]  ? lock_downgrade+0x900/0x900
[  791.616558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.622117]  cache_grow_begin+0xa5/0x8c0
[  791.626179]  ? do_raw_spin_unlock+0xa7/0x330
[  791.630596]  fallback_alloc+0x204/0x2e0
[  791.634588]  ____cache_alloc_node+0x1c7/0x1e0
[  791.639102]  kmem_cache_alloc_node+0xe3/0x730
[  791.643626]  ? ipv6_get_ifaddr+0x42e/0x620
[  791.647867]  __alloc_skb+0x114/0x770
[  791.651578]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  791.656873]  ? netdev_alloc_frag+0x1f0/0x1f0
[  791.661281]  ? lock_downgrade+0x900/0x900
[  791.665455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.670994]  ? refcount_sub_and_test_checked+0x203/0x310
[  791.676465]  ? refcount_dec_if_one+0x180/0x180
[  791.681047]  ? addrconf_rs_timer+0x690/0x690
[  791.685483]  ndisc_alloc_skb+0x144/0x340
[  791.689556]  ndisc_send_rs+0x331/0x6e0
[  791.693466]  addrconf_rs_timer+0x314/0x690
[  791.697722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.701969]  call_timer_fn+0x26d/0x920
[  791.705857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.710088]  ? process_timeout+0x40/0x40
[  791.714156]  ? mark_held_locks+0xc7/0x130
[  791.718322]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.722816]  ? _raw_spin_unlock_irq+0x27/0x80
[  791.727307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.731546]  ? lockdep_hardirqs_on+0x296/0x5b0
[  791.736127]  ? trace_hardirqs_on+0xbd/0x310
[  791.740448]  ? kasan_check_read+0x11/0x20
[  791.744601]  ? __run_timers+0x7d5/0xc60
[  791.748578]  ? trace_hardirqs_off_caller+0x300/0x300
[  791.753702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.757945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  791.762189]  __run_timers+0x7e0/0xc60
[  791.766003]  ? timer_fixup_init+0x70/0x70
[  791.770174]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  791.775200]  ? graph_lock+0x270/0x270
[  791.779020]  ? print_usage_bug+0xc0/0xc0
[  791.783081]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  791.788273]  ? find_held_lock+0x36/0x1c0
[  791.792379]  ? graph_lock+0x270/0x270
[  791.796191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.801795]  ? check_preemption_disabled+0x48/0x280
[  791.806820]  ? __lock_is_held+0xb5/0x140
[  791.810879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.816435]  ? check_preemption_disabled+0x48/0x280
[  791.821471]  run_timer_softirq+0x52/0xb0
[  791.825534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  791.830554]  __do_softirq+0x308/0xb7e
[  791.834377]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  791.838887]  ? lock_downgrade+0x900/0x900
[  791.843039]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  791.848154]  ? pvclock_read_flags+0x160/0x160
[  791.852663]  ? lapic_next_event+0x5a/0x90
[  791.856819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  791.862380]  ? kvm_clock_read+0x18/0x30
[  791.866358]  ? kvm_sched_clock_read+0x9/0x20
[  791.870783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  791.876325]  ? check_preemption_disabled+0x48/0x280
[  791.881353]  irq_exit+0x17f/0x1c0
[  791.884817]  smp_apic_timer_interrupt+0x1cb/0x760
[  791.889656]  ? smp_reschedule_interrupt+0x109/0x650
[  791.894692]  ? smp_call_function_single_interrupt+0x640/0x640
[  791.900599]  ? interrupt_entry+0xb5/0xc0
[  791.904666]  ? trace_hardirqs_off_caller+0xbb/0x300
[  791.909707]  ? trace_hardirqs_off_caller+0xbb/0x300
[  791.914725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  791.919573]  ? trace_hardirqs_on_caller+0x310/0x310
[  791.924589]  ? trace_hardirqs_on_caller+0x310/0x310
[  791.929650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  791.934504]  apic_timer_interrupt+0xf/0x20
[  791.938739]  </IRQ>
[  791.940996] RIP: 0010:dump_stack+0x358/0x39d
[  791.945406] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  791.964307] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  791.972012] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  791.979279] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  791.986572] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  791.993843] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  792.001112] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  792.008399]  ? dump_stack+0x34f/0x39d
[  792.012212]  ? dump_stack_print_info.cold.1+0x20/0x20
[  792.017406]  ? mark_held_locks+0x130/0x130
[  792.021643]  ? mark_held_locks+0x130/0x130
[  792.025886]  dump_header+0x27b/0xf72
[  792.029625]  ? pagefault_out_of_memory+0x197/0x197
[  792.034593]  ? mark_held_locks+0x130/0x130
[  792.038832]  ? __lock_acquire+0x62f/0x4c20
[  792.043064]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  792.047821]  ? print_usage_bug+0xc0/0xc0
[  792.051932]  ? graph_lock+0x270/0x270
[  792.055731]  ? graph_lock+0x270/0x270
[  792.059555]  ? print_usage_bug+0xc0/0xc0
[  792.063613]  ? print_usage_bug+0xc0/0xc0
[  792.067675]  ? graph_lock+0x270/0x270
[  792.071489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  792.077033]  ? find_held_lock+0x36/0x1c0
[  792.081101]  ? mark_held_locks+0xc7/0x130
[  792.085255]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  792.090363]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  792.095466]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  792.100051]  ? trace_hardirqs_on+0xbd/0x310
[  792.104377]  ? kasan_check_read+0x11/0x20
[  792.108522]  ? ___ratelimit+0x3b4/0x672
[  792.112496]  ? trace_hardirqs_off_caller+0x300/0x300
[  792.117630]  ? trace_hardirqs_on+0x310/0x310
[  792.122061]  ? lock_downgrade+0x900/0x900
[  792.126220]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  792.131323]  ? ___ratelimit+0x3b9/0x672
[  792.135300]  ? idr_get_free+0xf70/0xf70
[  792.139289]  ? kasan_check_read+0x11/0x20
[  792.143450]  ? do_raw_spin_unlock+0xa7/0x330
[  792.147866]  oom_kill_process.cold.27+0x10/0x903
[  792.152662]  ? graph_lock+0x270/0x270
[  792.156485]  ? _raw_spin_unlock+0x2c/0x50
[  792.160635]  ? oom_badness+0xe6/0xaa0
[  792.164448]  ? oom_evaluate_task+0x540/0x540
[  792.168862]  ? find_held_lock+0x36/0x1c0
[  792.172933]  ? out_of_memory+0x96f/0x1430
[  792.177081]  ? lock_downgrade+0x900/0x900
[  792.181244]  ? check_preemption_disabled+0x48/0x280
[  792.186266]  ? kasan_check_read+0x11/0x20
[  792.190415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  792.195696]  ? rcu_read_unlock_special+0x370/0x370
[  792.200641]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  792.205655]  ? oom_evaluate_task+0x302/0x540
[  792.210070]  out_of_memory+0xa7f/0x1430
[  792.214054]  ? oom_killer_disable+0x3a0/0x3a0
[  792.218550]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  792.223497]  ? __ww_mutex_check_waiters+0x160/0x160
[  792.228639]  __alloc_pages_slowpath+0x236a/0x2e30
[  792.233516]  ? warn_alloc+0x120/0x120
[  792.237319]  ? mark_held_locks+0x130/0x130
[  792.241576]  ? find_get_entry+0xaae/0x1120
[  792.245818]  ? filemap_map_pages+0x1a20/0x1a20
[  792.250405]  ? graph_lock+0x270/0x270
[  792.254213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  792.259758]  ? check_preemption_disabled+0x48/0x280
[  792.264773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  792.270307]  ? should_fail+0x22d/0xd01
[  792.274203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  792.279309]  ? graph_lock+0x270/0x270
[  792.283149]  ? __lock_is_held+0xb5/0x140
[  792.287230]  ? mark_held_locks+0x130/0x130
[  792.291468]  ? lock_release+0xa10/0xa10
[  792.295444]  ? perf_trace_sched_process_exec+0x860/0x860
[  792.300901]  ? xa_load+0x2ba/0x460
[  792.304441]  ? lock_downgrade+0x900/0x900
[  792.308597]  ? __might_sleep+0x95/0x190
[  792.312572]  __alloc_pages_nodemask+0xa7b/0xdd0
[  792.317246]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  792.322267]  ? __page_cache_alloc+0x177/0x570
[  792.326778]  ? xa_load+0x2e1/0x460
[  792.330320]  ? xa_clear_mark+0x40/0x40
[  792.334220]  ? graph_lock+0x270/0x270
[  792.338027]  ? graph_lock+0x270/0x270
[  792.341827]  ? graph_lock+0x270/0x270
[  792.345626]  ? __do_page_cache_readahead+0x663/0x810
[  792.350735]  ? find_held_lock+0x36/0x1c0
[  792.354832]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  792.360383]  alloc_pages_current+0x173/0x350
[  792.364804]  __page_cache_alloc+0x3ce/0x570
[  792.369129]  ? kasan_check_read+0x11/0x20
[  792.373278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  792.378557]  ? generic_perform_write+0x6a0/0x6a0
[  792.383313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  792.388886]  ? check_preemption_disabled+0x48/0x280
[  792.393910]  filemap_fault+0x1595/0x25f0
[  792.397986]  ? __lock_page_or_retry+0xa00/0xa00
[  792.402659]  ? mark_held_locks+0x130/0x130
[  792.406938]  ? filemap_map_pages+0xd6b/0x1a20
[  792.411455]  ? lock_downgrade+0x900/0x900
[  792.415630]  ? check_preemption_disabled+0x48/0x280
[  792.420672]  ? kasan_check_read+0x11/0x20
[  792.424845]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  792.430141]  ? rcu_read_unlock_special+0x370/0x370
[  792.435106]  ? filemap_map_pages+0xd92/0x1a20
[  792.439633]  ? find_get_entries_tag+0x1400/0x1400
[  792.444495]  ? debug_object_destroy+0x2b0/0x2b0
[  792.449202]  ? lock_pi_update_atomic+0x150/0x150
[  792.453959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  792.459510]  ? lock_acquire+0x1ed/0x520
[  792.463489]  ? ext4_filemap_fault+0x7a/0xad
[  792.467822]  ? lock_release+0xa10/0xa10
[  792.471796]  ? perf_trace_sched_process_exec+0x860/0x860
[  792.477246]  ? print_usage_bug+0xc0/0xc0
[  792.481306]  ? print_usage_bug+0xc0/0xc0
[  792.485376]  ? down_read+0x8d/0x120
[  792.489001]  ? ext4_filemap_fault+0x7a/0xad
[  792.493326]  ? __down_interruptible+0x700/0x700
[  792.498009]  ext4_filemap_fault+0x82/0xad
[  792.502173]  __do_fault+0x100/0x6b0
[  792.505816]  ? do_futex+0x1df/0x26d0
[  792.509535]  ? pmd_devmap_trans_unstable+0x220/0x220
[  792.514644]  ? mark_held_locks+0x130/0x130
[  792.518885]  ? mark_held_locks+0x130/0x130
[  792.523134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  792.528690]  __handle_mm_fault+0x3ea0/0x5be0
[  792.533096]  ? perf_trace_lock+0x7a0/0x7a0
[  792.537340]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  792.542200]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  792.546802]  ? graph_lock+0x270/0x270
[  792.550619]  ? graph_lock+0x270/0x270
[  792.554463]  ? __x64_sys_futex+0x53e/0x6a0
[  792.558713]  ? find_held_lock+0x36/0x1c0
[  792.562783]  ? handle_mm_fault+0x42a/0xc70
[  792.567055]  ? lock_downgrade+0x900/0x900
[  792.571220]  ? check_preemption_disabled+0x48/0x280
[  792.576243]  ? kasan_check_read+0x11/0x20
[  792.580434]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  792.585715]  ? rcu_read_unlock_special+0x370/0x370
[  792.590665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  792.596212]  ? check_preemption_disabled+0x48/0x280
[  792.601242]  handle_mm_fault+0x54f/0xc70
[  792.605328]  ? __handle_mm_fault+0x5be0/0x5be0
[  792.609919]  ? find_vma+0x34/0x190
[  792.613485]  __do_page_fault+0x5d6/0xe40
[  792.617550]  ? trace_hardirqs_off+0xb8/0x310
[  792.621969]  do_page_fault+0xed/0x7d1
[  792.625785]  ? vmalloc_sync_all+0x30/0x30
[  792.629931]  ? error_entry+0x70/0xd0
[  792.633648]  ? trace_hardirqs_off_caller+0xbb/0x300
[  792.638687]  ? trace_hardirqs_on_caller+0xc0/0x310
[  792.643627]  ? syscall_return_slowpath+0x5e0/0x5e0
[  792.648555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  792.653400]  ? trace_hardirqs_on_caller+0x310/0x310
[  792.658416]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  792.663873]  ? prepare_exit_to_usermode+0x291/0x3b0
[  792.668889]  ? page_fault+0x8/0x30
[  792.672432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  792.677277]  ? page_fault+0x8/0x30
[  792.680817]  page_fault+0x1e/0x30
[  792.684269] RIP: 0033:0x45ddf3
[  792.687476] Code: Bad RIP value.
[  792.690851] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  792.696228] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  792.703510] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  792.710779] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  792.718045] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  792.725310] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  792.732609] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  792.732614] warn_alloc_show_mem: 1 callbacks suppressed
[  792.732621] Mem-Info:
[  792.740688] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  792.740697] Call Trace:
[  792.746073] active_anon:129018 inactive_anon:195 isolated_anon:0
[  792.746073]  active_file:12 inactive_file:15 isolated_file:0
[  792.746073]  unevictable:1 dirty:0 writeback:0 unstable:0
[  792.746073]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  792.746073]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  792.746073]  free:13741 free_pcp:161 free_cma:0
[  792.748456]  dump_stack+0x244/0x39d
[  792.757808] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  792.760396]  ? dump_stack_print_info.cold.1+0x20/0x20
[  792.793429] 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
[  792.797076]  warn_alloc.cold.116+0xb7/0x1bd
[  792.824630] lowmem_reserve[]: 0 2818 6321 6321
[  792.829819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  792.855921] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  792.860260]  ? lock_downgrade+0x900/0x900
[  792.864815] lowmem_reserve[]: 0 0 3503 3503
[  792.869695]  ? trace_hardirqs_off+0xb8/0x310
[  792.897095] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  792.901261]  ? trace_hardirqs_off+0xb8/0x310
[  792.905548] lowmem_reserve[]: 0 0 0 0
[  792.909969]  __alloc_pages_slowpath+0x26fe/0x2e30
[  792.938843] 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
[  792.943787]  ? warn_alloc+0x120/0x120
[  792.947542] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  792.952391]  ? print_usage_bug+0xc0/0xc0
[  792.965906] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  792.969720]  ? warn_alloc+0x120/0x120
[  792.984103] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  792.988188]  ? warn_alloc+0x120/0x120
[  793.003437] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  793.007250]  ? print_usage_bug+0xc0/0xc0
[  793.016069] 296 total pagecache pages
[  793.019887]  ? print_usage_bug+0xc0/0xc0
[  793.028443] 0 pages in swap cache
[  793.032515]  ? __lock_acquire+0x62f/0x4c20
[  793.036294] Swap cache stats: add 0, delete 0, find 0/0
[  793.040366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  793.043782] Free swap  = 0kB
[  793.043791] Total swap = 0kB
[  793.048029]  ? should_fail+0x22d/0xd01
[  793.053372] 1965979 pages RAM
[  793.058927]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  793.061921] 0 pages HighMem/MovableOnly
[  793.064943]  ? __lock_acquire+0x62f/0x4c20
[  793.068800] 342854 pages reserved
[  793.068809] 0 pages cma reserved
[  793.071922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  793.077625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  793.081496]  ? __lock_acquire+0x62f/0x4c20
[  793.081511]  ? should_fail+0x22d/0xd01
[  793.081528]  ? find_held_lock+0x36/0x1c0
[  793.085820] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  793.089223]  ? mark_held_locks+0x130/0x130
[  793.092556] syz-fuzzer cpuset=/ mems_allowed=0
[  793.097668]  ? mark_held_locks+0x130/0x130
[  793.139587]  ? graph_lock+0x270/0x270
[  793.143414]  ? mark_held_locks+0xc7/0x130
[  793.147570]  ? do_raw_spin_unlock+0xa7/0x330
[  793.151994]  ? graph_lock+0x270/0x270
[  793.155811]  ? print_usage_bug+0xc0/0xc0
[  793.159892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.165448]  ? check_preemption_disabled+0x48/0x280
[  793.170496]  ? __lock_is_held+0xb5/0x140
[  793.174585]  __alloc_pages_nodemask+0xa7b/0xdd0
[  793.179278]  ? graph_lock+0x270/0x270
[  793.183101]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  793.188195]  ? find_held_lock+0x36/0x1c0
[  793.192298]  ? ____cache_alloc_node+0x1c7/0x1e0
[  793.196993]  ? lock_downgrade+0x900/0x900
[  793.201183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.206771]  cache_grow_begin+0xa5/0x8c0
[  793.210848]  ? do_raw_spin_unlock+0xa7/0x330
[  793.215279]  fallback_alloc+0x204/0x2e0
[  793.219273]  ____cache_alloc_node+0x1c7/0x1e0
[  793.223789]  kmem_cache_alloc_node+0xe3/0x730
[  793.228298]  ? ipv6_get_ifaddr+0x42e/0x620
[  793.232551]  __alloc_skb+0x114/0x770
[  793.236290]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  793.241584]  ? netdev_alloc_frag+0x1f0/0x1f0
[  793.246008]  ? lock_downgrade+0x900/0x900
[  793.250219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.255784]  ? refcount_sub_and_test_checked+0x203/0x310
[  793.261259]  ? refcount_dec_if_one+0x180/0x180
[  793.265857]  ? addrconf_rs_timer+0x690/0x690
[  793.270290]  ndisc_alloc_skb+0x144/0x340
[  793.274381]  ndisc_send_rs+0x331/0x6e0
[  793.278288]  addrconf_rs_timer+0x314/0x690
[  793.282539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.286794]  call_timer_fn+0x26d/0x920
[  793.290691]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.294938]  ? process_timeout+0x40/0x40
[  793.299016]  ? __run_timers+0x7d5/0xc60
[  793.303011]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.307532]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.312038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.316287]  ? lockdep_hardirqs_on+0x296/0x5b0
[  793.320885]  ? trace_hardirqs_on+0xbd/0x310
[  793.325220]  ? kasan_check_read+0x11/0x20
[  793.329378]  ? __run_timers+0x7d5/0xc60
[  793.333366]  ? trace_hardirqs_off_caller+0x300/0x300
[  793.338487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.342737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.346984]  __run_timers+0x7e0/0xc60
[  793.350807]  ? timer_fixup_init+0x70/0x70
[  793.354970]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.359478]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.363988]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  793.368583]  ? trace_hardirqs_on+0xbd/0x310
[  793.372914]  ? kasan_check_read+0x11/0x20
[  793.377078]  ? finish_task_switch+0x1f4/0x920
[  793.381589]  ? trace_hardirqs_off_caller+0x300/0x300
[  793.386718]  ? compat_start_thread+0x80/0x80
[  793.391176]  ? pvclock_read_flags+0x160/0x160
[  793.395702]  ? __switch_to_asm+0x34/0x70
[  793.399789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.405353]  ? check_preemption_disabled+0x48/0x280
[  793.410404]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  793.415964]  ? rcu_pm_notify+0xc0/0xc0
[  793.419870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.425433]  ? check_preemption_disabled+0x48/0x280
[  793.430479]  run_timer_softirq+0x52/0xb0
[  793.434557]  ? rcu_read_lock_sched_held+0x14f/0x180
[  793.439597]  __do_softirq+0x308/0xb7e
[  793.443419]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  793.448214]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  793.453347]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  793.458131]  ? trace_hardirqs_off+0xb8/0x310
[  793.462569]  ? smpboot_thread_fn+0x68b/0xa00
[  793.466993]  ? trace_hardirqs_on+0x310/0x310
[  793.471419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  793.476974]  ? check_preemption_disabled+0x48/0x280
[  793.482006]  ? takeover_tasklets+0xa90/0xa90
[  793.486431]  run_ksoftirqd+0x5e/0x100
[  793.490279]  smpboot_thread_fn+0x68b/0xa00
[  793.494534]  ? sort_range+0x30/0x30
[  793.498193]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  793.503318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  793.508878]  ? __kthread_parkme+0xfb/0x1a0
[  793.513124]  ? sort_range+0x30/0x30
[  793.516774]  kthread+0x35a/0x440
[  793.520142]  ? kthread_stop+0x8f0/0x8f0
[  793.524140]  ret_from_fork+0x3a/0x50
[  793.527897] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  793.527993] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  793.536134] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  793.536140] Call Trace:
[  793.536147]  <IRQ>
[  793.536178]  dump_stack+0x244/0x39d
[  793.536199]  ? dump_stack_print_info.cold.1+0x20/0x20
[  793.542777] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  793.552045]  warn_alloc.cold.116+0xb7/0x1bd
[  793.554594] ksoftirqd/0 cpuset=/ mems_allowed=0
[  793.556740]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  793.589689]  ? lock_downgrade+0x900/0x900
[  793.593850]  ? trace_hardirqs_off+0xb8/0x310
[  793.598270]  ? trace_hardirqs_off+0xb8/0x310
[  793.602697]  __alloc_pages_slowpath+0x26fe/0x2e30
[  793.607593]  ? warn_alloc+0x120/0x120
[  793.611401]  ? print_usage_bug+0xc0/0xc0
[  793.615468]  ? warn_alloc+0x120/0x120
[  793.619277]  ? warn_alloc+0x120/0x120
[  793.623082]  ? print_usage_bug+0xc0/0xc0
[  793.627153]  ? print_usage_bug+0xc0/0xc0
[  793.631229]  ? __lock_acquire+0x62f/0x4c20
[  793.635472]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  793.641010]  ? should_fail+0x22d/0xd01
[  793.644902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  793.650010]  ? __lock_acquire+0x62f/0x4c20
[  793.654252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  793.659355]  ? __lock_acquire+0x62f/0x4c20
[  793.663588]  ? should_fail+0x22d/0xd01
[  793.667480]  ? find_held_lock+0x36/0x1c0
[  793.671556]  ? mark_held_locks+0x130/0x130
[  793.675797]  ? mark_held_locks+0x130/0x130
[  793.680031]  ? graph_lock+0x270/0x270
[  793.683834]  ? graph_lock+0x270/0x270
[  793.687642]  ? print_usage_bug+0xc0/0xc0
[  793.691708]  ? do_raw_spin_unlock+0xa7/0x330
[  793.696118]  ? graph_lock+0x270/0x270
[  793.699920]  ? print_usage_bug+0xc0/0xc0
[  793.703985]  ? wq_watchdog_touch+0x9c/0xfe
[  793.708227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.713766]  ? check_preemption_disabled+0x48/0x280
[  793.718811]  ? __lock_is_held+0xb5/0x140
[  793.722923]  __alloc_pages_nodemask+0xa7b/0xdd0
[  793.727594]  ? graph_lock+0x270/0x270
[  793.731401]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  793.736435]  ? find_held_lock+0x36/0x1c0
[  793.740512]  ? ____cache_alloc_node+0x1c7/0x1e0
[  793.745220]  ? lock_downgrade+0x900/0x900
[  793.749385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.754947]  cache_grow_begin+0xa5/0x8c0
[  793.759016]  ? do_raw_spin_unlock+0xa7/0x330
[  793.763435]  fallback_alloc+0x204/0x2e0
[  793.767420]  ____cache_alloc_node+0x1c7/0x1e0
[  793.771922]  kmem_cache_alloc_node+0xe3/0x730
[  793.776420]  ? ipv6_get_ifaddr+0x42e/0x620
[  793.780667]  __alloc_skb+0x114/0x770
[  793.784392]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  793.789683]  ? netdev_alloc_frag+0x1f0/0x1f0
[  793.794100]  ? lock_downgrade+0x900/0x900
[  793.798262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.803818]  ? refcount_sub_and_test_checked+0x203/0x310
[  793.809274]  ? refcount_dec_if_one+0x180/0x180
[  793.813861]  ? addrconf_rs_timer+0x690/0x690
[  793.818284]  ndisc_alloc_skb+0x144/0x340
[  793.822369]  ndisc_send_rs+0x331/0x6e0
[  793.826264]  addrconf_rs_timer+0x314/0x690
[  793.830507]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.834756]  call_timer_fn+0x26d/0x920
[  793.838642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.842907]  ? process_timeout+0x40/0x40
[  793.846999]  ? mark_held_locks+0xc7/0x130
[  793.851155]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.855662]  ? _raw_spin_unlock_irq+0x27/0x80
[  793.860159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.864409]  ? lockdep_hardirqs_on+0x296/0x5b0
[  793.869000]  ? trace_hardirqs_on+0xbd/0x310
[  793.873322]  ? kasan_check_read+0x11/0x20
[  793.877471]  ? __run_timers+0x7d5/0xc60
[  793.881459]  ? trace_hardirqs_off_caller+0x300/0x300
[  793.886583]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.890831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  793.895082]  __run_timers+0x7e0/0xc60
[  793.898939]  ? timer_fixup_init+0x70/0x70
[  793.903101]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  793.908128]  ? graph_lock+0x270/0x270
[  793.911945]  ? print_usage_bug+0xc0/0xc0
[  793.916024]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  793.921267]  ? find_held_lock+0x36/0x1c0
[  793.925346]  ? graph_lock+0x270/0x270
[  793.929165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.934744]  ? check_preemption_disabled+0x48/0x280
[  793.939806]  ? __lock_is_held+0xb5/0x140
[  793.943901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.949472]  ? check_preemption_disabled+0x48/0x280
[  793.954502]  run_timer_softirq+0x52/0xb0
[  793.958622]  ? rcu_read_lock_sched_held+0x14f/0x180
[  793.963652]  __do_softirq+0x308/0xb7e
[  793.967470]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  793.971975]  ? lock_downgrade+0x900/0x900
[  793.976146]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  793.981287]  ? pvclock_read_flags+0x160/0x160
[  793.985805]  ? lapic_next_event+0x5a/0x90
[  793.989977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  793.995543]  ? kvm_clock_read+0x18/0x30
[  793.999535]  ? kvm_sched_clock_read+0x9/0x20
[  794.003972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  794.009532]  ? check_preemption_disabled+0x48/0x280
[  794.014586]  irq_exit+0x17f/0x1c0
[  794.018069]  smp_apic_timer_interrupt+0x1cb/0x760
[  794.022939]  ? smp_reschedule_interrupt+0x109/0x650
[  794.027988]  ? smp_call_function_single_interrupt+0x640/0x640
[  794.033914]  ? interrupt_entry+0xb5/0xc0
[  794.038017]  ? trace_hardirqs_off_caller+0xbb/0x300
[  794.043076]  ? trace_hardirqs_off_caller+0xbb/0x300
[  794.048136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  794.053031]  ? trace_hardirqs_on_caller+0x310/0x310
[  794.058085]  ? trace_hardirqs_on_caller+0x310/0x310
[  794.063158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  794.068096]  apic_timer_interrupt+0xf/0x20
[  794.072357]  </IRQ>
[  794.074630] RIP: 0010:dump_stack+0x358/0x39d
[  794.079063] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  794.098005] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  794.105753] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  794.113047] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  794.120346] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  794.127635] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  794.134927] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  794.142252]  ? dump_stack+0x34f/0x39d
[  794.146091]  ? dump_stack_print_info.cold.1+0x20/0x20
[  794.151307]  ? mark_held_locks+0x130/0x130
[  794.155559]  ? mark_held_locks+0x130/0x130
[  794.159818]  dump_header+0x27b/0xf72
[  794.163559]  ? pagefault_out_of_memory+0x197/0x197
[  794.168510]  ? mark_held_locks+0x130/0x130
[  794.172762]  ? __lock_acquire+0x62f/0x4c20
[  794.177013]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  794.181795]  ? print_usage_bug+0xc0/0xc0
[  794.185881]  ? graph_lock+0x270/0x270
[  794.189704]  ? graph_lock+0x270/0x270
[  794.193525]  ? print_usage_bug+0xc0/0xc0
[  794.197599]  ? print_usage_bug+0xc0/0xc0
[  794.201687]  ? graph_lock+0x270/0x270
[  794.205508]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  794.211076]  ? find_held_lock+0x36/0x1c0
[  794.215191]  ? mark_held_locks+0xc7/0x130
[  794.219369]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  794.224501]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  794.229633]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  794.234251]  ? trace_hardirqs_on+0xbd/0x310
[  794.238602]  ? kasan_check_read+0x11/0x20
[  794.242780]  ? ___ratelimit+0x3b4/0x672
[  794.246786]  ? trace_hardirqs_off_caller+0x300/0x300
[  794.251925]  ? trace_hardirqs_on+0x310/0x310
[  794.256361]  ? lock_downgrade+0x900/0x900
[  794.260542]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  794.265673]  ? ___ratelimit+0x3b9/0x672
[  794.269705]  ? idr_get_free+0xf70/0xf70
[  794.273706]  ? kasan_check_read+0x11/0x20
[  794.277884]  ? do_raw_spin_unlock+0xa7/0x330
[  794.282334]  oom_kill_process.cold.27+0x10/0x903
[  794.287130]  ? graph_lock+0x270/0x270
[  794.290969]  ? _raw_spin_unlock+0x2c/0x50
[  794.295148]  ? oom_badness+0xe6/0xaa0
[  794.298995]  ? oom_evaluate_task+0x540/0x540
[  794.303439]  ? find_held_lock+0x36/0x1c0
[  794.307543]  ? out_of_memory+0x96f/0x1430
[  794.311737]  ? lock_downgrade+0x900/0x900
[  794.315914]  ? check_preemption_disabled+0x48/0x280
[  794.320968]  ? kasan_check_read+0x11/0x20
[  794.325144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  794.330465]  ? rcu_read_unlock_special+0x370/0x370
[  794.335434]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  794.340517]  ? oom_evaluate_task+0x302/0x540
[  794.344961]  out_of_memory+0xa7f/0x1430
[  794.348976]  ? oom_killer_disable+0x3a0/0x3a0
[  794.353538]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  794.358500]  ? __ww_mutex_check_waiters+0x160/0x160
[  794.363563]  __alloc_pages_slowpath+0x236a/0x2e30
[  794.368486]  ? warn_alloc+0x120/0x120
[  794.372315]  ? mark_held_locks+0x130/0x130
[  794.376584]  ? find_get_entry+0xaae/0x1120
[  794.380895]  ? filemap_map_pages+0x1a20/0x1a20
[  794.385517]  ? graph_lock+0x270/0x270
[  794.389368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  794.394940]  ? check_preemption_disabled+0x48/0x280
[  794.399993]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  794.405567]  ? should_fail+0x22d/0xd01
[  794.409491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  794.414644]  ? graph_lock+0x270/0x270
[  794.418518]  ? __lock_is_held+0xb5/0x140
[  794.422630]  ? mark_held_locks+0x130/0x130
[  794.426905]  ? lock_release+0xa10/0xa10
[  794.430915]  ? perf_trace_sched_process_exec+0x860/0x860
[  794.436422]  ? xa_load+0x2ba/0x460
[  794.440007]  ? lock_downgrade+0x900/0x900
[  794.444204]  ? __might_sleep+0x95/0x190
[  794.448223]  __alloc_pages_nodemask+0xa7b/0xdd0
[  794.452946]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  794.458000]  ? __page_cache_alloc+0x177/0x570
[  794.462528]  ? xa_load+0x2e1/0x460
[  794.466106]  ? xa_clear_mark+0x40/0x40
[  794.470025]  ? graph_lock+0x270/0x270
[  794.473879]  ? graph_lock+0x270/0x270
[  794.477720]  ? graph_lock+0x270/0x270
[  794.481547]  ? __do_page_cache_readahead+0x663/0x810
[  794.486708]  ? find_held_lock+0x36/0x1c0
[  794.490808]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  794.496411]  alloc_pages_current+0x173/0x350
[  794.500862]  __page_cache_alloc+0x3ce/0x570
[  794.505239]  ? kasan_check_read+0x11/0x20
[  794.509418]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  794.514745]  ? generic_perform_write+0x6a0/0x6a0
[  794.519539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  794.525112]  ? check_preemption_disabled+0x48/0x280
[  794.530196]  filemap_fault+0x1595/0x25f0
[  794.534303]  ? __lock_page_or_retry+0xa00/0xa00
[  794.539012]  ? mark_held_locks+0x130/0x130
[  794.543292]  ? filemap_map_pages+0xd6b/0x1a20
[  794.547822]  ? lock_downgrade+0x900/0x900
[  794.552014]  ? check_preemption_disabled+0x48/0x280
[  794.557090]  ? kasan_check_read+0x11/0x20
[  794.561272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  794.566587]  ? rcu_read_unlock_special+0x370/0x370
[  794.571595]  ? filemap_map_pages+0xd92/0x1a20
[  794.576140]  ? find_get_entries_tag+0x1400/0x1400
[  794.581033]  ? debug_object_destroy+0x2b0/0x2b0
[  794.585747]  ? lock_pi_update_atomic+0x150/0x150
[  794.590540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  794.596147]  ? lock_acquire+0x1ed/0x520
[  794.600146]  ? ext4_filemap_fault+0x7a/0xad
[  794.604515]  ? lock_release+0xa10/0xa10
[  794.608539]  ? perf_trace_sched_process_exec+0x860/0x860
[  794.614020]  ? print_usage_bug+0xc0/0xc0
[  794.618110]  ? print_usage_bug+0xc0/0xc0
[  794.622220]  ? down_read+0x8d/0x120
[  794.625881]  ? ext4_filemap_fault+0x7a/0xad
[  794.630242]  ? __down_interruptible+0x700/0x700
[  794.634958]  ext4_filemap_fault+0x82/0xad
[  794.639149]  __do_fault+0x100/0x6b0
[  794.642811]  ? do_futex+0x1df/0x26d0
[  794.646571]  ? pmd_devmap_trans_unstable+0x220/0x220
[  794.651737]  ? mark_held_locks+0x130/0x130
[  794.656000]  ? mark_held_locks+0x130/0x130
[  794.660279]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  794.665855]  __handle_mm_fault+0x3ea0/0x5be0
[  794.670290]  ? perf_trace_lock+0x7a0/0x7a0
[  794.674560]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  794.679439]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  794.684063]  ? graph_lock+0x270/0x270
[  794.687919]  ? graph_lock+0x270/0x270
[  794.691754]  ? __x64_sys_futex+0x53e/0x6a0
[  794.696014]  ? find_held_lock+0x36/0x1c0
[  794.700111]  ? handle_mm_fault+0x42a/0xc70
[  794.704387]  ? lock_downgrade+0x900/0x900
[  794.708555]  ? check_preemption_disabled+0x48/0x280
[  794.713600]  ? kasan_check_read+0x11/0x20
[  794.717817]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  794.723128]  ? rcu_read_unlock_special+0x370/0x370
[  794.728096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  794.733661]  ? check_preemption_disabled+0x48/0x280
[  794.738766]  handle_mm_fault+0x54f/0xc70
[  794.742863]  ? __handle_mm_fault+0x5be0/0x5be0
[  794.747478]  ? find_vma+0x34/0x190
[  794.751050]  __do_page_fault+0x5d6/0xe40
[  794.755140]  ? trace_hardirqs_off+0xb8/0x310
[  794.759597]  do_page_fault+0xed/0x7d1
[  794.763426]  ? vmalloc_sync_all+0x30/0x30
[  794.767594]  ? error_entry+0x70/0xd0
[  794.771338]  ? trace_hardirqs_off_caller+0xbb/0x300
[  794.776378]  ? trace_hardirqs_on_caller+0xc0/0x310
[  794.781336]  ? syscall_return_slowpath+0x5e0/0x5e0
[  794.786299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  794.791183]  ? trace_hardirqs_on_caller+0x310/0x310
[  794.796252]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  794.801741]  ? prepare_exit_to_usermode+0x291/0x3b0
[  794.806791]  ? page_fault+0x8/0x30
[  794.810366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  794.815243]  ? page_fault+0x8/0x30
[  794.818806]  page_fault+0x1e/0x30
[  794.822278] RIP: 0033:0x45ddf3
[  794.825496] Code: Bad RIP value.
[  794.828867] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  794.834241] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  794.841529] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  794.848841] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  794.856135] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  794.863441] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  794.870774] warn_alloc_show_mem: 1 callbacks suppressed
[  794.870787] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  794.870789] Mem-Info:
[  794.870822] active_anon:129018 inactive_anon:195 isolated_anon:0
[  794.870822]  active_file:12 inactive_file:15 isolated_file:0
[  794.870822]  unevictable:1 dirty:0 writeback:0 unstable:0
[  794.870822]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  794.870822]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  794.870822]  free:13741 free_pcp:161 free_cma:0
[  794.876192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  794.884286] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  794.886722] Call Trace:
[  794.919784] 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
[  794.929189]  dump_stack+0x244/0x39d
[  794.956987] lowmem_reserve[]: 0 2818 6321 6321
[  794.959609]  ? dump_stack_print_info.cold.1+0x20/0x20
[  794.985872] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  794.989569]  warn_alloc.cold.116+0xb7/0x1bd
[  794.994111] lowmem_reserve[]: 0 0 3503 3503
[  794.999341]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  795.026748] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  795.031115]  ? lock_downgrade+0x900/0x900
[  795.035414] lowmem_reserve[]: 0 0 0 0
[  795.040281]  ? trace_hardirqs_off+0xb8/0x310
[  795.069177] 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
[  795.073616]  ? trace_hardirqs_off+0xb8/0x310
[  795.073642]  __alloc_pages_slowpath+0x26fe/0x2e30
[  795.073666]  ? warn_alloc+0x120/0x120
[  795.073679]  ? print_usage_bug+0xc0/0xc0
[  795.073695]  ? warn_alloc+0x120/0x120
[  795.073712]  ? warn_alloc+0x120/0x120
[  795.073729]  ? print_usage_bug+0xc0/0xc0
[  795.077527] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  795.081953]  ? print_usage_bug+0xc0/0xc0
[  795.095479] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  795.099917]  ? __lock_acquire+0x62f/0x4c20
[  795.104755] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  795.108577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  795.112624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  795.116424]  ? should_fail+0x22d/0xd01
[  795.120220] 296 total pagecache pages
[  795.124291]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  795.138699] 0 pages in swap cache
[  795.142777]  ? __lock_acquire+0x62f/0x4c20
[  795.158026] Swap cache stats: add 0, delete 0, find 0/0
[  795.162288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  795.171114] Free swap  = 0kB
[  795.176677]  ? __lock_acquire+0x62f/0x4c20
[  795.185249] Total swap = 0kB
[  795.189153]  ? should_fail+0x22d/0xd01
[  795.192932] 1965979 pages RAM
[  795.198082]  ? find_held_lock+0x36/0x1c0
[  795.201509] 0 pages HighMem/MovableOnly
[  795.201519] 342854 pages reserved
[  795.205777]  ? mark_held_locks+0x130/0x130
[  795.211115] 0 pages cma reserved
[  795.211240] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  795.216253]  ? mark_held_locks+0x130/0x130
[  795.219388] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  795.223492]  ? graph_lock+0x270/0x270
[  795.226490] syz-fuzzer cpuset=/ mems_allowed=0
[  795.230387]  ? mark_held_locks+0xc7/0x130
[  795.285992]  ? do_raw_spin_unlock+0xa7/0x330
[  795.290422]  ? graph_lock+0x270/0x270
[  795.294244]  ? print_usage_bug+0xc0/0xc0
[  795.298331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.303892]  ? check_preemption_disabled+0x48/0x280
[  795.308945]  ? __lock_is_held+0xb5/0x140
[  795.313027]  __alloc_pages_nodemask+0xa7b/0xdd0
[  795.317717]  ? graph_lock+0x270/0x270
[  795.321545]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  795.326595]  ? find_held_lock+0x36/0x1c0
[  795.330680]  ? ____cache_alloc_node+0x1c7/0x1e0
[  795.335381]  ? lock_downgrade+0x900/0x900
[  795.339556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.345143]  cache_grow_begin+0xa5/0x8c0
[  795.349249]  ? do_raw_spin_unlock+0xa7/0x330
[  795.353682]  fallback_alloc+0x204/0x2e0
[  795.357679]  ____cache_alloc_node+0x1c7/0x1e0
[  795.362233]  kmem_cache_alloc_node+0xe3/0x730
[  795.366751]  ? ipv6_get_ifaddr+0x42e/0x620
[  795.371013]  __alloc_skb+0x114/0x770
[  795.374742]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  795.380050]  ? netdev_alloc_frag+0x1f0/0x1f0
[  795.384474]  ? lock_downgrade+0x900/0x900
[  795.388664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.394235]  ? refcount_sub_and_test_checked+0x203/0x310
[  795.399717]  ? refcount_dec_if_one+0x180/0x180
[  795.404327]  ? addrconf_rs_timer+0x690/0x690
[  795.408768]  ndisc_alloc_skb+0x144/0x340
[  795.412856]  ndisc_send_rs+0x331/0x6e0
[  795.416770]  addrconf_rs_timer+0x314/0x690
[  795.421038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.425306]  call_timer_fn+0x26d/0x920
[  795.429240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.433490]  ? process_timeout+0x40/0x40
[  795.437572]  ? __run_timers+0x7d5/0xc60
[  795.441564]  ? _raw_spin_unlock_irq+0x27/0x80
[  795.446075]  ? _raw_spin_unlock_irq+0x27/0x80
[  795.450582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.454838]  ? lockdep_hardirqs_on+0x296/0x5b0
[  795.459452]  ? trace_hardirqs_on+0xbd/0x310
[  795.463808]  ? kasan_check_read+0x11/0x20
[  795.467975]  ? __run_timers+0x7d5/0xc60
[  795.471978]  ? trace_hardirqs_off_caller+0x300/0x300
[  795.477120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.481379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.485631]  __run_timers+0x7e0/0xc60
[  795.489462]  ? timer_fixup_init+0x70/0x70
[  795.493638]  ? _raw_spin_unlock_irq+0x27/0x80
[  795.498154]  ? _raw_spin_unlock_irq+0x27/0x80
[  795.502688]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  795.507311]  ? trace_hardirqs_on+0xbd/0x310
[  795.511658]  ? kasan_check_read+0x11/0x20
[  795.515854]  ? finish_task_switch+0x1f4/0x920
[  795.520387]  ? trace_hardirqs_off_caller+0x300/0x300
[  795.525556]  ? compat_start_thread+0x80/0x80
[  795.530005]  ? pvclock_read_flags+0x160/0x160
[  795.534519]  ? __switch_to_asm+0x34/0x70
[  795.538602]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.544217]  ? check_preemption_disabled+0x48/0x280
[  795.549268]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  795.554835]  ? rcu_pm_notify+0xc0/0xc0
[  795.558738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.564307]  ? check_preemption_disabled+0x48/0x280
[  795.569353]  run_timer_softirq+0x52/0xb0
[  795.573432]  ? rcu_read_lock_sched_held+0x14f/0x180
[  795.578482]  __do_softirq+0x308/0xb7e
[  795.582299]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  795.587074]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  795.592219]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  795.597010]  ? trace_hardirqs_off+0xb8/0x310
[  795.601451]  ? smpboot_thread_fn+0x68b/0xa00
[  795.605876]  ? trace_hardirqs_on+0x310/0x310
[  795.610305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  795.615865]  ? check_preemption_disabled+0x48/0x280
[  795.620901]  ? takeover_tasklets+0xa90/0xa90
[  795.625328]  run_ksoftirqd+0x5e/0x100
[  795.629145]  smpboot_thread_fn+0x68b/0xa00
[  795.633409]  ? sort_range+0x30/0x30
[  795.637051]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  795.642177]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  795.647742]  ? __kthread_parkme+0xfb/0x1a0
[  795.652000]  ? sort_range+0x30/0x30
[  795.655637]  kthread+0x35a/0x440
[  795.659015]  ? kthread_stop+0x8f0/0x8f0
[  795.663004]  ret_from_fork+0x3a/0x50
[  795.666750] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  795.666854] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  795.674993] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  795.675000] Call Trace:
[  795.675007]  <IRQ>
[  795.675035]  dump_stack+0x244/0x39d
[  795.675051]  ? dump_stack_print_info.cold.1+0x20/0x20
[  795.675081]  warn_alloc.cold.116+0xb7/0x1bd
[  795.681728] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  795.690964]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  795.693534] ksoftirqd/0 cpuset=/ mems_allowed=0
[  795.695701]  ? lock_downgrade+0x900/0x900
[  795.732840]  ? trace_hardirqs_off+0xb8/0x310
[  795.737290]  ? trace_hardirqs_off+0xb8/0x310
[  795.741743]  __alloc_pages_slowpath+0x26fe/0x2e30
[  795.746655]  ? warn_alloc+0x120/0x120
[  795.750516]  ? print_usage_bug+0xc0/0xc0
[  795.754608]  ? warn_alloc+0x120/0x120
[  795.758464]  ? warn_alloc+0x120/0x120
[  795.762293]  ? print_usage_bug+0xc0/0xc0
[  795.766389]  ? kvm_clock_read+0x18/0x30
[  795.770393]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  795.775495]  ? print_usage_bug+0xc0/0xc0
[  795.779587]  ? __lock_acquire+0x62f/0x4c20
[  795.783860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  795.789443]  ? should_fail+0x22d/0xd01
[  795.793355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  795.798668]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  795.803810]  ? __lock_acquire+0x62f/0x4c20
[  795.808084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  795.813226]  ? __lock_acquire+0x62f/0x4c20
[  795.817488]  ? should_fail+0x22d/0xd01
[  795.821403]  ? rcu_irq_exit+0x1a2/0x390
[  795.825436]  ? mark_held_locks+0x130/0x130
[  795.829721]  ? mark_held_locks+0x130/0x130
[  795.833986]  ? mark_held_locks+0xc7/0x130
[  795.838186]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  795.843233]  ? graph_lock+0x270/0x270
[  795.847064]  ? print_usage_bug+0xc0/0xc0
[  795.851157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.856739]  ? check_preemption_disabled+0x48/0x280
[  795.861813]  ? __lock_is_held+0xb5/0x140
[  795.865945]  __alloc_pages_nodemask+0xa7b/0xdd0
[  795.870648]  ? graph_lock+0x270/0x270
[  795.874495]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  795.879581]  ? find_held_lock+0x36/0x1c0
[  795.883701]  ? ____cache_alloc_node+0x1c7/0x1e0
[  795.888399]  ? lock_downgrade+0x900/0x900
[  795.892581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.898155]  cache_grow_begin+0xa5/0x8c0
[  795.902256]  ? do_raw_spin_unlock+0xa7/0x330
[  795.906715]  fallback_alloc+0x204/0x2e0
[  795.910754]  ____cache_alloc_node+0x1c7/0x1e0
[  795.915293]  kmem_cache_alloc_node+0xe3/0x730
[  795.919823]  ? ipv6_get_ifaddr+0x42e/0x620
[  795.924093]  __alloc_skb+0x114/0x770
[  795.927829]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  795.933144]  ? netdev_alloc_frag+0x1f0/0x1f0
[  795.937613]  ? lock_downgrade+0x900/0x900
[  795.941804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  795.947374]  ? refcount_sub_and_test_checked+0x203/0x310
[  795.952861]  ? refcount_dec_if_one+0x180/0x180
[  795.957474]  ? addrconf_rs_timer+0x690/0x690
[  795.961925]  ndisc_alloc_skb+0x144/0x340
[  795.966023]  ndisc_send_rs+0x331/0x6e0
[  795.969943]  addrconf_rs_timer+0x314/0x690
[  795.974220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.978497]  call_timer_fn+0x26d/0x920
[  795.982409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  795.986702]  ? process_timeout+0x40/0x40
[  795.990800]  ? mark_held_locks+0xc7/0x130
[  795.994982]  ? _raw_spin_unlock_irq+0x27/0x80
[  795.999515]  ? _raw_spin_unlock_irq+0x27/0x80
[  796.004038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  796.008314]  ? lockdep_hardirqs_on+0x296/0x5b0
[  796.012972]  ? trace_hardirqs_on+0xbd/0x310
[  796.017323]  ? kasan_check_read+0x11/0x20
[  796.021508]  ? __run_timers+0x7d5/0xc60
[  796.025542]  ? trace_hardirqs_off_caller+0x300/0x300
[  796.030677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  796.034949]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  796.039208]  __run_timers+0x7e0/0xc60
[  796.043044]  ? timer_fixup_init+0x70/0x70
[  796.047216]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  796.052259]  ? graph_lock+0x270/0x270
[  796.056085]  ? print_usage_bug+0xc0/0xc0
[  796.060189]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  796.065421]  ? find_held_lock+0x36/0x1c0
[  796.069556]  ? graph_lock+0x270/0x270
[  796.073382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.078943]  ? check_preemption_disabled+0x48/0x280
[  796.083991]  ? __lock_is_held+0xb5/0x140
[  796.088085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.093722]  ? check_preemption_disabled+0x48/0x280
[  796.098759]  run_timer_softirq+0x52/0xb0
[  796.102842]  ? rcu_read_lock_sched_held+0x14f/0x180
[  796.107887]  __do_softirq+0x308/0xb7e
[  796.111721]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  796.116241]  ? lock_downgrade+0x900/0x900
[  796.120424]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  796.125572]  ? pvclock_read_flags+0x160/0x160
[  796.130115]  ? lapic_next_event+0x5a/0x90
[  796.134311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.139885]  ? kvm_clock_read+0x18/0x30
[  796.143886]  ? kvm_sched_clock_read+0x9/0x20
[  796.148344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  796.153913]  ? check_preemption_disabled+0x48/0x280
[  796.158976]  irq_exit+0x17f/0x1c0
[  796.162460]  smp_apic_timer_interrupt+0x1cb/0x760
[  796.167348]  ? smp_reschedule_interrupt+0x109/0x650
[  796.172395]  ? smp_call_function_single_interrupt+0x640/0x640
[  796.178317]  ? interrupt_entry+0xb5/0xc0
[  796.182416]  ? trace_hardirqs_off_caller+0xbb/0x300
[  796.187462]  ? trace_hardirqs_off_caller+0xbb/0x300
[  796.192514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  796.197397]  ? trace_hardirqs_on_caller+0x310/0x310
[  796.202447]  ? trace_hardirqs_on_caller+0x310/0x310
[  796.207506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  796.212390]  apic_timer_interrupt+0xf/0x20
[  796.216639]  </IRQ>
[  796.218896] RIP: 0010:dump_stack+0x358/0x39d
[  796.223327] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  796.242274] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  796.250019] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  796.257323] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  796.264623] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  796.271915] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  796.279225] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  796.286553]  ? dump_stack+0x34f/0x39d
[  796.290435]  ? dump_stack_print_info.cold.1+0x20/0x20
[  796.295667]  ? mark_held_locks+0x130/0x130
[  796.299946]  ? mark_held_locks+0x130/0x130
[  796.304225]  dump_header+0x27b/0xf72
[  796.307986]  ? pagefault_out_of_memory+0x197/0x197
[  796.312956]  ? mark_held_locks+0x130/0x130
[  796.317230]  ? __lock_acquire+0x62f/0x4c20
[  796.321509]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  796.326311]  ? print_usage_bug+0xc0/0xc0
[  796.330406]  ? graph_lock+0x270/0x270
[  796.334231]  ? graph_lock+0x270/0x270
[  796.338060]  ? print_usage_bug+0xc0/0xc0
[  796.342141]  ? print_usage_bug+0xc0/0xc0
[  796.346258]  ? graph_lock+0x270/0x270
[  796.350093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.355670]  ? find_held_lock+0x36/0x1c0
[  796.359773]  ? mark_held_locks+0xc7/0x130
[  796.363960]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  796.369094]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  796.374268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  796.378880]  ? trace_hardirqs_on+0xbd/0x310
[  796.383232]  ? kasan_check_read+0x11/0x20
[  796.387405]  ? ___ratelimit+0x3b4/0x672
[  796.391416]  ? trace_hardirqs_off_caller+0x300/0x300
[  796.396559]  ? trace_hardirqs_on+0x310/0x310
[  796.400999]  ? lock_downgrade+0x900/0x900
[  796.405192]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  796.410329]  ? ___ratelimit+0x3b9/0x672
[  796.414337]  ? idr_get_free+0xf70/0xf70
[  796.418335]  ? kasan_check_read+0x11/0x20
[  796.422525]  ? do_raw_spin_unlock+0xa7/0x330
[  796.426990]  oom_kill_process.cold.27+0x10/0x903
[  796.431784]  ? graph_lock+0x270/0x270
[  796.435618]  ? _raw_spin_unlock+0x2c/0x50
[  796.439790]  ? oom_badness+0xe6/0xaa0
[  796.443629]  ? oom_evaluate_task+0x540/0x540
[  796.448076]  ? find_held_lock+0x36/0x1c0
[  796.452189]  ? out_of_memory+0x96f/0x1430
[  796.456376]  ? lock_downgrade+0x900/0x900
[  796.460547]  ? check_preemption_disabled+0x48/0x280
[  796.465598]  ? kasan_check_read+0x11/0x20
[  796.469779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  796.475088]  ? rcu_read_unlock_special+0x370/0x370
[  796.480056]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  796.485105]  ? oom_evaluate_task+0x302/0x540
[  796.489551]  out_of_memory+0xa7f/0x1430
[  796.493572]  ? oom_killer_disable+0x3a0/0x3a0
[  796.498096]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  796.503059]  ? __ww_mutex_check_waiters+0x160/0x160
[  796.508139]  __alloc_pages_slowpath+0x236a/0x2e30
[  796.513059]  ? warn_alloc+0x120/0x120
[  796.516889]  ? mark_held_locks+0x130/0x130
[  796.521161]  ? find_get_entry+0xaae/0x1120
[  796.525452]  ? filemap_map_pages+0x1a20/0x1a20
[  796.530069]  ? graph_lock+0x270/0x270
[  796.533917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.539489]  ? check_preemption_disabled+0x48/0x280
[  796.544540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  796.550115]  ? should_fail+0x22d/0xd01
[  796.554038]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  796.559187]  ? graph_lock+0x270/0x270
[  796.563043]  ? __lock_is_held+0xb5/0x140
[  796.567142]  ? mark_held_locks+0x130/0x130
[  796.571433]  ? lock_release+0xa10/0xa10
[  796.575438]  ? perf_trace_sched_process_exec+0x860/0x860
[  796.580916]  ? xa_load+0x2ba/0x460
[  796.584495]  ? lock_downgrade+0x900/0x900
[  796.588702]  ? __might_sleep+0x95/0x190
[  796.592740]  __alloc_pages_nodemask+0xa7b/0xdd0
[  796.597477]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  796.602534]  ? __page_cache_alloc+0x177/0x570
[  796.607053]  ? xa_load+0x2e1/0x460
[  796.610623]  ? xa_clear_mark+0x40/0x40
[  796.614538]  ? graph_lock+0x270/0x270
[  796.618385]  ? graph_lock+0x270/0x270
[  796.622217]  ? graph_lock+0x270/0x270
[  796.626043]  ? __do_page_cache_readahead+0x663/0x810
[  796.631197]  ? find_held_lock+0x36/0x1c0
[  796.635329]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  796.640909]  alloc_pages_current+0x173/0x350
[  796.645362]  __page_cache_alloc+0x3ce/0x570
[  796.649740]  ? kasan_check_read+0x11/0x20
[  796.653913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  796.659230]  ? generic_perform_write+0x6a0/0x6a0
[  796.664057]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  796.669636]  ? check_preemption_disabled+0x48/0x280
[  796.674715]  filemap_fault+0x1595/0x25f0
[  796.678826]  ? __lock_page_or_retry+0xa00/0xa00
[  796.683534]  ? mark_held_locks+0x130/0x130
[  796.687806]  ? filemap_map_pages+0xd6b/0x1a20
[  796.692337]  ? lock_downgrade+0x900/0x900
[  796.696535]  ? check_preemption_disabled+0x48/0x280
[  796.701598]  ? kasan_check_read+0x11/0x20
[  796.705770]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  796.711088]  ? rcu_read_unlock_special+0x370/0x370
[  796.716058]  ? filemap_map_pages+0xd92/0x1a20
[  796.720600]  ? find_get_entries_tag+0x1400/0x1400
[  796.725491]  ? debug_object_destroy+0x2b0/0x2b0
[  796.730203]  ? lock_pi_update_atomic+0x150/0x150
[  796.734987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  796.740571]  ? lock_acquire+0x1ed/0x520
[  796.744594]  ? ext4_filemap_fault+0x7a/0xad
[  796.748949]  ? lock_release+0xa10/0xa10
[  796.752947]  ? perf_trace_sched_process_exec+0x860/0x860
[  796.758442]  ? print_usage_bug+0xc0/0xc0
[  796.762534]  ? print_usage_bug+0xc0/0xc0
[  796.766634]  ? down_read+0x8d/0x120
[  796.770291]  ? ext4_filemap_fault+0x7a/0xad
[  796.774641]  ? __down_interruptible+0x700/0x700
[  796.779354]  ext4_filemap_fault+0x82/0xad
[  796.783531]  __do_fault+0x100/0x6b0
[  796.787190]  ? do_futex+0x1df/0x26d0
[  796.790934]  ? pmd_devmap_trans_unstable+0x220/0x220
[  796.796072]  ? mark_held_locks+0x130/0x130
[  796.800360]  ? mark_held_locks+0x130/0x130
[  796.804669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  796.810298]  __handle_mm_fault+0x3ea0/0x5be0
[  796.814732]  ? perf_trace_lock+0x7a0/0x7a0
[  796.819043]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  796.823926]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  796.828554]  ? graph_lock+0x270/0x270
[  796.832492]  ? graph_lock+0x270/0x270
[  796.836315]  ? __x64_sys_futex+0x53e/0x6a0
[  796.840612]  ? find_held_lock+0x36/0x1c0
[  796.844740]  ? handle_mm_fault+0x42a/0xc70
[  796.849003]  ? lock_downgrade+0x900/0x900
[  796.853186]  ? check_preemption_disabled+0x48/0x280
[  796.858260]  ? kasan_check_read+0x11/0x20
[  796.862440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  796.867755]  ? rcu_read_unlock_special+0x370/0x370
[  796.872724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  796.878312]  ? check_preemption_disabled+0x48/0x280
[  796.883370]  handle_mm_fault+0x54f/0xc70
[  796.887484]  ? __handle_mm_fault+0x5be0/0x5be0
[  796.892102]  ? find_vma+0x34/0x190
[  796.895678]  __do_page_fault+0x5d6/0xe40
[  796.899772]  ? trace_hardirqs_off+0xb8/0x310
[  796.904228]  do_page_fault+0xed/0x7d1
[  796.908063]  ? vmalloc_sync_all+0x30/0x30
[  796.912236]  ? error_entry+0x70/0xd0
[  796.915973]  ? trace_hardirqs_off_caller+0xbb/0x300
[  796.921019]  ? trace_hardirqs_on_caller+0xc0/0x310
[  796.925973]  ? syscall_return_slowpath+0x5e0/0x5e0
[  796.930929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  796.935815]  ? trace_hardirqs_on_caller+0x310/0x310
[  796.940857]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  796.946615]  ? prepare_exit_to_usermode+0x291/0x3b0
[  796.951661]  ? page_fault+0x8/0x30
[  796.955258]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  796.960134]  ? page_fault+0x8/0x30
[  796.963726]  page_fault+0x1e/0x30
[  796.967219] RIP: 0033:0x45ddf3
[  796.970445] Code: Bad RIP value.
[  796.973822] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  796.979224] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  796.986514] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  796.993827] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  797.001119] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  797.008426] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  797.015749] warn_alloc_show_mem: 1 callbacks suppressed
[  797.015762] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  797.015764] Mem-Info:
[  797.015797] active_anon:129018 inactive_anon:195 isolated_anon:0
[  797.015797]  active_file:12 inactive_file:15 isolated_file:0
[  797.015797]  unevictable:1 dirty:0 writeback:0 unstable:0
[  797.015797]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  797.015797]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  797.015797]  free:13741 free_pcp:161 free_cma:0
[  797.021163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  797.029266] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  797.031677] Call Trace:
[  797.064744] 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
[  797.074587]  dump_stack+0x244/0x39d
[  797.102161] lowmem_reserve[]: 0 2818 6321 6321
[  797.104801]  ? dump_stack_print_info.cold.1+0x20/0x20
[  797.130899] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  797.135204]  warn_alloc.cold.116+0xb7/0x1bd
[  797.139749] lowmem_reserve[]: 0 0 3503 3503
[  797.144957]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  797.172360] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  797.176718]  ? lock_downgrade+0x900/0x900
[  797.181035] lowmem_reserve[]: 0 0 0 0
[  797.185948]  ? trace_hardirqs_off+0xb8/0x310
[  797.214824] 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
[  797.219001]  ? trace_hardirqs_off+0xb8/0x310
[  797.222775] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  797.227215]  __alloc_pages_slowpath+0x26fe/0x2e30
[  797.240728] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  797.245200]  ? warn_alloc+0x120/0x120
[  797.259564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  797.264427]  ? print_usage_bug+0xc0/0xc0
[  797.279688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  797.283496]  ? warn_alloc+0x120/0x120
[  797.292328] 296 total pagecache pages
[  797.296432]  ? warn_alloc+0x120/0x120
[  797.304991] 0 pages in swap cache
[  797.308809]  ? print_usage_bug+0xc0/0xc0
[  797.312603] Swap cache stats: add 0, delete 0, find 0/0
[  797.316412]  ? print_usage_bug+0xc0/0xc0
[  797.319838] Free swap  = 0kB
[  797.323909]  ? __lock_acquire+0x62f/0x4c20
[  797.329248] Total swap = 0kB
[  797.329258] 1965979 pages RAM
[  797.333335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  797.336322] 0 pages HighMem/MovableOnly
[  797.340598]  ? should_fail+0x22d/0xd01
[  797.343598] 342854 pages reserved
[  797.346710]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  797.352231] 0 pages cma reserved
[  797.356234]  ? __lock_acquire+0x62f/0x4c20
[  797.360181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  797.363564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  797.368810] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  797.372049]  ? __lock_acquire+0x62f/0x4c20
[  797.376272] syz-fuzzer cpuset=/ mems_allowed=0
[  797.382786]  ? should_fail+0x22d/0xd01
[  797.410830]  ? mark_held_locks+0x130/0x130
[  797.415083]  ? mark_held_locks+0x130/0x130
[  797.419336]  ? graph_lock+0x270/0x270
[  797.423159]  ? graph_lock+0x270/0x270
[  797.426988]  ? print_usage_bug+0xc0/0xc0
[  797.431067]  ? mark_held_locks+0x130/0x130
[  797.435361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.440926]  ? check_preemption_disabled+0x48/0x280
[  797.445976]  ? __lock_is_held+0xb5/0x140
[  797.450083]  __alloc_pages_nodemask+0xa7b/0xdd0
[  797.454773]  ? graph_lock+0x270/0x270
[  797.458600]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  797.463648]  ? find_held_lock+0x36/0x1c0
[  797.467744]  ? ____cache_alloc_node+0x1c7/0x1e0
[  797.472459]  ? lock_downgrade+0x900/0x900
[  797.476639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.482228]  cache_grow_begin+0xa5/0x8c0
[  797.486308]  ? do_raw_spin_unlock+0xa7/0x330
[  797.490742]  fallback_alloc+0x204/0x2e0
[  797.494742]  ____cache_alloc_node+0x1c7/0x1e0
[  797.499262]  kmem_cache_alloc_node+0xe3/0x730
[  797.503782]  ? ipv6_get_ifaddr+0x42e/0x620
[  797.508049]  __alloc_skb+0x114/0x770
[  797.511777]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  797.517084]  ? netdev_alloc_frag+0x1f0/0x1f0
[  797.521522]  ? lock_downgrade+0x900/0x900
[  797.525702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.531286]  ? refcount_sub_and_test_checked+0x203/0x310
[  797.536779]  ? refcount_dec_if_one+0x180/0x180
[  797.541392]  ? addrconf_rs_timer+0x690/0x690
[  797.545839]  ndisc_alloc_skb+0x144/0x340
[  797.549925]  ndisc_send_rs+0x331/0x6e0
[  797.553837]  addrconf_rs_timer+0x314/0x690
[  797.558117]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  797.562381]  call_timer_fn+0x26d/0x920
[  797.566292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  797.570566]  ? process_timeout+0x40/0x40
[  797.574648]  ? __run_timers+0x7d5/0xc60
[  797.578652]  ? _raw_spin_unlock_irq+0x27/0x80
[  797.583178]  ? _raw_spin_unlock_irq+0x27/0x80
[  797.587698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  797.591967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  797.596570]  ? trace_hardirqs_on+0xbd/0x310
[  797.600908]  ? kasan_check_read+0x11/0x20
[  797.605069]  ? __run_timers+0x7d5/0xc60
[  797.609074]  ? trace_hardirqs_off_caller+0x300/0x300
[  797.614239]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  797.618501]  __run_timers+0x7e0/0xc60
[  797.622329]  ? timer_fixup_init+0x70/0x70
[  797.626503]  ? _raw_spin_unlock_irq+0x27/0x80
[  797.631036]  ? _raw_spin_unlock_irq+0x27/0x80
[  797.635554]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  797.640162]  ? trace_hardirqs_on+0xbd/0x310
[  797.644514]  ? kasan_check_read+0x11/0x20
[  797.648681]  ? finish_task_switch+0x1f4/0x920
[  797.653209]  ? trace_hardirqs_off_caller+0x300/0x300
[  797.658337]  ? compat_start_thread+0x80/0x80
[  797.662794]  ? pvclock_read_flags+0x160/0x160
[  797.667312]  ? __switch_to_asm+0x34/0x70
[  797.671396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.676961]  ? check_preemption_disabled+0x48/0x280
[  797.682013]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  797.687604]  ? rcu_pm_notify+0xc0/0xc0
[  797.691518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.697082]  ? check_preemption_disabled+0x48/0x280
[  797.702125]  run_timer_softirq+0x52/0xb0
[  797.706222]  ? rcu_read_lock_sched_held+0x14f/0x180
[  797.711279]  __do_softirq+0x308/0xb7e
[  797.715108]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  797.719888]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  797.725024]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  797.729827]  ? trace_hardirqs_off+0xb8/0x310
[  797.734274]  ? smpboot_thread_fn+0x68b/0xa00
[  797.738698]  ? trace_hardirqs_on+0x310/0x310
[  797.743128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  797.748695]  ? check_preemption_disabled+0x48/0x280
[  797.753729]  ? takeover_tasklets+0xa90/0xa90
[  797.758155]  run_ksoftirqd+0x5e/0x100
[  797.761982]  smpboot_thread_fn+0x68b/0xa00
[  797.766237]  ? sort_range+0x30/0x30
[  797.769879]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  797.775001]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  797.780562]  ? __kthread_parkme+0xfb/0x1a0
[  797.784820]  ? sort_range+0x30/0x30
[  797.788458]  kthread+0x35a/0x440
[  797.791836]  ? kthread_stop+0x8f0/0x8f0
[  797.795835]  ret_from_fork+0x3a/0x50
[  797.799598] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  797.799720] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  797.807851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  797.807865] Call Trace:
[  797.814557] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  797.823762]  <IRQ>
[  797.826356] ksoftirqd/0 cpuset=/ mems_allowed=0
[  797.836699]  dump_stack+0x244/0x39d
[  797.847146]  ? dump_stack_print_info.cold.1+0x20/0x20
[  797.852386]  warn_alloc.cold.116+0xb7/0x1bd
[  797.856746]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  797.861624]  ? lock_downgrade+0x900/0x900
[  797.865837]  ? trace_hardirqs_off+0xb8/0x310
[  797.870289]  ? trace_hardirqs_off+0xb8/0x310
[  797.874736]  __alloc_pages_slowpath+0x26fe/0x2e30
[  797.879654]  ? warn_alloc+0x120/0x120
[  797.883512]  ? print_usage_bug+0xc0/0xc0
[  797.887601]  ? warn_alloc+0x120/0x120
[  797.891439]  ? warn_alloc+0x120/0x120
[  797.895276]  ? print_usage_bug+0xc0/0xc0
[  797.899367]  ? kvm_clock_read+0x18/0x30
[  797.903371]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  797.908422]  ? print_usage_bug+0xc0/0xc0
[  797.912522]  ? __lock_acquire+0x62f/0x4c20
[  797.916792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  797.922361]  ? should_fail+0x22d/0xd01
[  797.926271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  797.931618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  797.936773]  ? __lock_acquire+0x62f/0x4c20
[  797.941053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  797.946204]  ? __lock_acquire+0x62f/0x4c20
[  797.950465]  ? should_fail+0x22d/0xd01
[  797.954376]  ? rcu_irq_exit+0x1a2/0x390
[  797.958402]  ? mark_held_locks+0x130/0x130
[  797.962673]  ? mark_held_locks+0x130/0x130
[  797.966958]  ? mark_held_locks+0xc7/0x130
[  797.971132]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  797.976196]  ? graph_lock+0x270/0x270
[  797.980026]  ? print_usage_bug+0xc0/0xc0
[  797.984121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  797.989699]  ? check_preemption_disabled+0x48/0x280
[  797.994762]  ? __lock_is_held+0xb5/0x140
[  797.998862]  __alloc_pages_nodemask+0xa7b/0xdd0
[  798.003601]  ? graph_lock+0x270/0x270
[  798.007478]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  798.012538]  ? find_held_lock+0x36/0x1c0
[  798.016641]  ? ____cache_alloc_node+0x1c7/0x1e0
[  798.021370]  ? lock_downgrade+0x900/0x900
[  798.025594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.031190]  cache_grow_begin+0xa5/0x8c0
[  798.035397]  ? do_raw_spin_unlock+0xa7/0x330
[  798.039864]  fallback_alloc+0x204/0x2e0
[  798.043914]  ____cache_alloc_node+0x1c7/0x1e0
[  798.048463]  kmem_cache_alloc_node+0xe3/0x730
[  798.052992]  ? ipv6_get_ifaddr+0x42e/0x620
[  798.057273]  __alloc_skb+0x114/0x770
[  798.061019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  798.066333]  ? netdev_alloc_frag+0x1f0/0x1f0
[  798.070782]  ? lock_downgrade+0x900/0x900
[  798.074976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.080575]  ? refcount_sub_and_test_checked+0x203/0x310
[  798.086088]  ? refcount_dec_if_one+0x180/0x180
[  798.090718]  ? addrconf_rs_timer+0x690/0x690
[  798.095201]  ndisc_alloc_skb+0x144/0x340
[  798.099320]  ndisc_send_rs+0x331/0x6e0
[  798.103255]  addrconf_rs_timer+0x314/0x690
[  798.107541]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  798.111826]  call_timer_fn+0x26d/0x920
[  798.115766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  798.120061]  ? process_timeout+0x40/0x40
[  798.124182]  ? mark_held_locks+0xc7/0x130
[  798.128376]  ? _raw_spin_unlock_irq+0x27/0x80
[  798.132931]  ? _raw_spin_unlock_irq+0x27/0x80
[  798.137465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  798.141735]  ? lockdep_hardirqs_on+0x296/0x5b0
[  798.146357]  ? trace_hardirqs_on+0xbd/0x310
[  798.150732]  ? kasan_check_read+0x11/0x20
[  798.154927]  ? __run_timers+0x7d5/0xc60
[  798.158924]  ? trace_hardirqs_off_caller+0x300/0x300
[  798.164069]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  798.168333]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  798.172585]  __run_timers+0x7e0/0xc60
[  798.176416]  ? timer_fixup_init+0x70/0x70
[  798.180594]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  798.185647]  ? graph_lock+0x270/0x270
[  798.189495]  ? print_usage_bug+0xc0/0xc0
[  798.193615]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  798.198847]  ? find_held_lock+0x36/0x1c0
[  798.202951]  ? graph_lock+0x270/0x270
[  798.206791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.212362]  ? check_preemption_disabled+0x48/0x280
[  798.217432]  ? __lock_is_held+0xb5/0x140
[  798.221519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.227085]  ? check_preemption_disabled+0x48/0x280
[  798.232133]  run_timer_softirq+0x52/0xb0
[  798.236229]  ? rcu_read_lock_sched_held+0x14f/0x180
[  798.241282]  __do_softirq+0x308/0xb7e
[  798.245115]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  798.249643]  ? lock_downgrade+0x900/0x900
[  798.253821]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  798.258959]  ? pvclock_read_flags+0x160/0x160
[  798.263480]  ? lapic_next_event+0x5a/0x90
[  798.267653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.273245]  ? kvm_clock_read+0x18/0x30
[  798.277253]  ? kvm_sched_clock_read+0x9/0x20
[  798.281688]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  798.287247]  ? check_preemption_disabled+0x48/0x280
[  798.292294]  irq_exit+0x17f/0x1c0
[  798.295776]  smp_apic_timer_interrupt+0x1cb/0x760
[  798.300632]  ? smp_reschedule_interrupt+0x109/0x650
[  798.305671]  ? smp_call_function_single_interrupt+0x640/0x640
[  798.311586]  ? interrupt_entry+0xb5/0xc0
[  798.315674]  ? trace_hardirqs_off_caller+0xbb/0x300
[  798.320725]  ? trace_hardirqs_off_caller+0xbb/0x300
[  798.325761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  798.330622]  ? trace_hardirqs_on_caller+0x310/0x310
[  798.335653]  ? trace_hardirqs_on_caller+0x310/0x310
[  798.340742]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  798.345613]  apic_timer_interrupt+0xf/0x20
[  798.349861]  </IRQ>
[  798.352111] RIP: 0010:dump_stack+0x358/0x39d
[  798.356536] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  798.375469] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  798.383285] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  798.390581] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  798.397890] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  798.405189] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  798.412488] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  798.419814]  ? dump_stack+0x34f/0x39d
[  798.423659]  ? dump_stack_print_info.cold.1+0x20/0x20
[  798.428885]  ? mark_held_locks+0x130/0x130
[  798.433144]  ? mark_held_locks+0x130/0x130
[  798.437424]  dump_header+0x27b/0xf72
[  798.441184]  ? pagefault_out_of_memory+0x197/0x197
[  798.446152]  ? mark_held_locks+0x130/0x130
[  798.450427]  ? __lock_acquire+0x62f/0x4c20
[  798.454690]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  798.459479]  ? print_usage_bug+0xc0/0xc0
[  798.463580]  ? graph_lock+0x270/0x270
[  798.467405]  ? graph_lock+0x270/0x270
[  798.471234]  ? print_usage_bug+0xc0/0xc0
[  798.475323]  ? print_usage_bug+0xc0/0xc0
[  798.479412]  ? graph_lock+0x270/0x270
[  798.483239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.488823]  ? find_held_lock+0x36/0x1c0
[  798.492921]  ? mark_held_locks+0xc7/0x130
[  798.497105]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  798.502262]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  798.507404]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  798.512016]  ? trace_hardirqs_on+0xbd/0x310
[  798.516367]  ? kasan_check_read+0x11/0x20
[  798.520538]  ? ___ratelimit+0x3b4/0x672
[  798.524541]  ? trace_hardirqs_off_caller+0x300/0x300
[  798.529675]  ? trace_hardirqs_on+0x310/0x310
[  798.534117]  ? lock_downgrade+0x900/0x900
[  798.538296]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  798.543427]  ? ___ratelimit+0x3b9/0x672
[  798.547435]  ? idr_get_free+0xf70/0xf70
[  798.551443]  ? kasan_check_read+0x11/0x20
[  798.555623]  ? do_raw_spin_unlock+0xa7/0x330
[  798.560069]  oom_kill_process.cold.27+0x10/0x903
[  798.564877]  ? graph_lock+0x270/0x270
[  798.568742]  ? _raw_spin_unlock+0x2c/0x50
[  798.572915]  ? oom_badness+0xe6/0xaa0
[  798.576760]  ? oom_evaluate_task+0x540/0x540
[  798.581206]  ? find_held_lock+0x36/0x1c0
[  798.585300]  ? out_of_memory+0x96f/0x1430
[  798.589481]  ? lock_downgrade+0x900/0x900
[  798.593646]  ? check_preemption_disabled+0x48/0x280
[  798.598722]  ? kasan_check_read+0x11/0x20
[  798.602913]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  798.608219]  ? rcu_read_unlock_special+0x370/0x370
[  798.613185]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  798.618228]  ? oom_evaluate_task+0x302/0x540
[  798.622664]  out_of_memory+0xa7f/0x1430
[  798.626712]  ? oom_killer_disable+0x3a0/0x3a0
[  798.631242]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  798.636210]  ? __ww_mutex_check_waiters+0x160/0x160
[  798.641268]  __alloc_pages_slowpath+0x236a/0x2e30
[  798.646207]  ? warn_alloc+0x120/0x120
[  798.650052]  ? mark_held_locks+0x130/0x130
[  798.654320]  ? find_get_entry+0xaae/0x1120
[  798.658584]  ? filemap_map_pages+0x1a20/0x1a20
[  798.663224]  ? graph_lock+0x270/0x270
[  798.667058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.672631]  ? check_preemption_disabled+0x48/0x280
[  798.677675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  798.683248]  ? should_fail+0x22d/0xd01
[  798.687167]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  798.692314]  ? graph_lock+0x270/0x270
[  798.696167]  ? __lock_is_held+0xb5/0x140
[  798.700289]  ? mark_held_locks+0x130/0x130
[  798.704551]  ? lock_release+0xa10/0xa10
[  798.708555]  ? perf_trace_sched_process_exec+0x860/0x860
[  798.714035]  ? xa_load+0x2ba/0x460
[  798.717615]  ? lock_downgrade+0x900/0x900
[  798.721791]  ? __might_sleep+0x95/0x190
[  798.725799]  __alloc_pages_nodemask+0xa7b/0xdd0
[  798.730503]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  798.735550]  ? __page_cache_alloc+0x177/0x570
[  798.740064]  ? xa_load+0x2e1/0x460
[  798.743633]  ? xa_clear_mark+0x40/0x40
[  798.747545]  ? graph_lock+0x270/0x270
[  798.751380]  ? graph_lock+0x270/0x270
[  798.755209]  ? graph_lock+0x270/0x270
[  798.759029]  ? __do_page_cache_readahead+0x663/0x810
[  798.764162]  ? find_held_lock+0x36/0x1c0
[  798.768262]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  798.773863]  alloc_pages_current+0x173/0x350
[  798.778322]  __page_cache_alloc+0x3ce/0x570
[  798.782670]  ? kasan_check_read+0x11/0x20
[  798.786866]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  798.792180]  ? generic_perform_write+0x6a0/0x6a0
[  798.796971]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  798.802633]  ? check_preemption_disabled+0x48/0x280
[  798.807700]  filemap_fault+0x1595/0x25f0
[  798.811805]  ? __lock_page_or_retry+0xa00/0xa00
[  798.816515]  ? mark_held_locks+0x130/0x130
[  798.820801]  ? filemap_map_pages+0xd6b/0x1a20
[  798.825326]  ? lock_downgrade+0x900/0x900
[  798.829499]  ? check_preemption_disabled+0x48/0x280
[  798.834547]  ? kasan_check_read+0x11/0x20
[  798.838725]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  798.844065]  ? rcu_read_unlock_special+0x370/0x370
[  798.849035]  ? filemap_map_pages+0xd92/0x1a20
[  798.853580]  ? find_get_entries_tag+0x1400/0x1400
[  798.858449]  ? debug_object_destroy+0x2b0/0x2b0
[  798.863149]  ? lock_pi_update_atomic+0x150/0x150
[  798.867935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  798.873525]  ? lock_acquire+0x1ed/0x520
[  798.877527]  ? ext4_filemap_fault+0x7a/0xad
[  798.881911]  ? lock_release+0xa10/0xa10
[  798.885904]  ? perf_trace_sched_process_exec+0x860/0x860
[  798.891384]  ? print_usage_bug+0xc0/0xc0
[  798.895474]  ? print_usage_bug+0xc0/0xc0
[  798.899571]  ? down_read+0x8d/0x120
[  798.903221]  ? ext4_filemap_fault+0x7a/0xad
[  798.907571]  ? __down_interruptible+0x700/0x700
[  798.912274]  ext4_filemap_fault+0x82/0xad
[  798.916452]  __do_fault+0x100/0x6b0
[  798.920096]  ? do_futex+0x1df/0x26d0
[  798.923834]  ? pmd_devmap_trans_unstable+0x220/0x220
[  798.928969]  ? mark_held_locks+0x130/0x130
[  798.933231]  ? mark_held_locks+0x130/0x130
[  798.937516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  798.943288]  __handle_mm_fault+0x3ea0/0x5be0
[  798.947732]  ? perf_trace_lock+0x7a0/0x7a0
[  798.952003]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  798.956902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  798.961542]  ? graph_lock+0x270/0x270
[  798.965381]  ? graph_lock+0x270/0x270
[  798.969213]  ? __x64_sys_futex+0x53e/0x6a0
[  798.973486]  ? find_held_lock+0x36/0x1c0
[  798.977586]  ? handle_mm_fault+0x42a/0xc70
[  798.981856]  ? lock_downgrade+0x900/0x900
[  798.986031]  ? check_preemption_disabled+0x48/0x280
[  798.991084]  ? kasan_check_read+0x11/0x20
[  798.995261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  799.000589]  ? rcu_read_unlock_special+0x370/0x370
[  799.005569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  799.011162]  ? check_preemption_disabled+0x48/0x280
[  799.016243]  handle_mm_fault+0x54f/0xc70
[  799.020348]  ? __handle_mm_fault+0x5be0/0x5be0
[  799.024974]  ? find_vma+0x34/0x190
[  799.028552]  __do_page_fault+0x5d6/0xe40
[  799.032640]  ? trace_hardirqs_off+0xb8/0x310
[  799.037100]  do_page_fault+0xed/0x7d1
[  799.040932]  ? vmalloc_sync_all+0x30/0x30
[  799.045113]  ? error_entry+0x70/0xd0
[  799.048856]  ? trace_hardirqs_off_caller+0xbb/0x300
[  799.053901]  ? trace_hardirqs_on_caller+0xc0/0x310
[  799.058864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  799.063825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  799.068712]  ? trace_hardirqs_on_caller+0x310/0x310
[  799.074293]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  799.079785]  ? prepare_exit_to_usermode+0x291/0x3b0
[  799.084832]  ? page_fault+0x8/0x30
[  799.088413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  799.093289]  ? page_fault+0x8/0x30
[  799.096866]  page_fault+0x1e/0x30
[  799.100348] RIP: 0033:0x45ddf3
[  799.103570] Code: Bad RIP value.
[  799.106947] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  799.112330] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  799.119622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  799.126915] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  799.134222] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  799.141514] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  799.148835] warn_alloc_show_mem: 1 callbacks suppressed
[  799.148849] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  799.148850] Mem-Info:
[  799.148882] active_anon:129018 inactive_anon:195 isolated_anon:0
[  799.148882]  active_file:12 inactive_file:15 isolated_file:0
[  799.148882]  unevictable:1 dirty:0 writeback:0 unstable:0
[  799.148882]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  799.148882]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  799.148882]  free:13741 free_pcp:161 free_cma:0
[  799.154255] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  799.162336] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  799.164751] Call Trace:
[  799.197817] 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
[  799.207214]  dump_stack+0x244/0x39d
[  799.234797] lowmem_reserve[]: 0 2818 6321 6321
[  799.237439]  ? dump_stack_print_info.cold.1+0x20/0x20
[  799.263532] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  799.267220]  warn_alloc.cold.116+0xb7/0x1bd
[  799.271751] lowmem_reserve[]: 0 0 3503 3503
[  799.276977]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  799.304384] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  799.308733]  ? lock_downgrade+0x900/0x900
[  799.313029] lowmem_reserve[]: 0 0 0 0
[  799.317895]  ? trace_hardirqs_off+0xb8/0x310
[  799.346776] 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
[  799.350957]  ? trace_hardirqs_off+0xb8/0x310
[  799.354757] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  799.359207]  __alloc_pages_slowpath+0x26fe/0x2e30
[  799.372725] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  799.377202]  ? warn_alloc+0x120/0x120
[  799.391565] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  799.396427]  ? print_usage_bug+0xc0/0xc0
[  799.411689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  799.415503]  ? warn_alloc+0x120/0x120
[  799.424329] 296 total pagecache pages
[  799.428419]  ? warn_alloc+0x120/0x120
[  799.436982] 0 pages in swap cache
[  799.440804]  ? print_usage_bug+0xc0/0xc0
[  799.444582] Swap cache stats: add 0, delete 0, find 0/0
[  799.448398]  ? print_usage_bug+0xc0/0xc0
[  799.451820] Free swap  = 0kB
[  799.451831] Total swap = 0kB
[  799.455911]  ? __lock_acquire+0x62f/0x4c20
[  799.461256] 1965979 pages RAM
[  799.465341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  799.468325] 0 pages HighMem/MovableOnly
[  799.468335] 342854 pages reserved
[  799.471375]  ? should_fail+0x22d/0xd01
[  799.475595] 0 pages cma reserved
[  799.475704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  799.478728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  799.478755]  ? __lock_acquire+0x62f/0x4c20
[  799.478771]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  799.478789]  ? __lock_acquire+0x62f/0x4c20
[  799.484533] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  799.488313]  ? should_fail+0x22d/0xd01
[  799.491748] syz-fuzzer cpuset=/ mems_allowed=0
[  799.495655]  ? find_held_lock+0x36/0x1c0
[  799.546989]  ? mark_held_locks+0x130/0x130
[  799.551253]  ? mark_held_locks+0x130/0x130
[  799.555507]  ? graph_lock+0x270/0x270
[  799.559324]  ? mark_held_locks+0xc7/0x130
[  799.563504]  ? do_raw_spin_unlock+0xa7/0x330
[  799.567927]  ? graph_lock+0x270/0x270
[  799.571750]  ? print_usage_bug+0xc0/0xc0
[  799.575833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  799.581392]  ? check_preemption_disabled+0x48/0x280
[  799.586438]  ? __lock_is_held+0xb5/0x140
[  799.590524]  __alloc_pages_nodemask+0xa7b/0xdd0
[  799.595225]  ? graph_lock+0x270/0x270
[  799.599048]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  799.604101]  ? find_held_lock+0x36/0x1c0
[  799.608205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  799.612919]  ? lock_downgrade+0x900/0x900
[  799.617093]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  799.622657]  cache_grow_begin+0xa5/0x8c0
[  799.626753]  ? do_raw_spin_unlock+0xa7/0x330
[  799.631198]  fallback_alloc+0x204/0x2e0
[  799.635211]  ____cache_alloc_node+0x1c7/0x1e0
[  799.639725]  kmem_cache_alloc_node+0xe3/0x730
[  799.644236]  ? ipv6_get_ifaddr+0x42e/0x620
[  799.648499]  __alloc_skb+0x114/0x770
[  799.652230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  799.657530]  ? netdev_alloc_frag+0x1f0/0x1f0
[  799.661957]  ? lock_downgrade+0x900/0x900
[  799.666129]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  799.671692]  ? refcount_sub_and_test_checked+0x203/0x310
[  799.677190]  ? refcount_dec_if_one+0x180/0x180
[  799.681796]  ? addrconf_rs_timer+0x690/0x690
[  799.686260]  ndisc_alloc_skb+0x144/0x340
[  799.690368]  ndisc_send_rs+0x331/0x6e0
[  799.694296]  addrconf_rs_timer+0x314/0x690
[  799.698564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  799.702837]  call_timer_fn+0x26d/0x920
[  799.706748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  799.711009]  ? process_timeout+0x40/0x40
[  799.715112]  ? __run_timers+0x7d5/0xc60
[  799.719152]  ? _raw_spin_unlock_irq+0x27/0x80
[  799.723687]  ? _raw_spin_unlock_irq+0x27/0x80
[  799.728210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  799.732466]  ? lockdep_hardirqs_on+0x296/0x5b0
[  799.737065]  ? trace_hardirqs_on+0xbd/0x310
[  799.741397]  ? kasan_check_read+0x11/0x20
[  799.745559]  ? __run_timers+0x7d5/0xc60
[  799.749600]  ? trace_hardirqs_off_caller+0x300/0x300
[  799.754727]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  799.758983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  799.763260]  __run_timers+0x7e0/0xc60
[  799.767083]  ? timer_fixup_init+0x70/0x70
[  799.771274]  ? _raw_spin_unlock_irq+0x27/0x80
[  799.775807]  ? _raw_spin_unlock_irq+0x27/0x80
[  799.780346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  799.784962]  ? trace_hardirqs_on+0xbd/0x310
[  799.789297]  ? kasan_check_read+0x11/0x20
[  799.793466]  ? finish_task_switch+0x1f4/0x920
[  799.797993]  ? trace_hardirqs_off_caller+0x300/0x300
[  799.803122]  ? compat_start_thread+0x80/0x80
[  799.807579]  ? pvclock_read_flags+0x160/0x160
[  799.812097]  ? __switch_to_asm+0x34/0x70
[  799.816233]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  799.821806]  ? check_preemption_disabled+0x48/0x280
[  799.826854]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  799.832436]  ? rcu_pm_notify+0xc0/0xc0
[  799.836351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  799.841934]  ? check_preemption_disabled+0x48/0x280
[  799.846981]  run_timer_softirq+0x52/0xb0
[  799.851056]  ? rcu_read_lock_sched_held+0x14f/0x180
[  799.856095]  __do_softirq+0x308/0xb7e
[  799.859912]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  799.864695]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  799.869830]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  799.874626]  ? trace_hardirqs_off+0xb8/0x310
[  799.879060]  ? smpboot_thread_fn+0x68b/0xa00
[  799.883527]  ? trace_hardirqs_on+0x310/0x310
[  799.887954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  799.893548]  ? check_preemption_disabled+0x48/0x280
[  799.898593]  ? takeover_tasklets+0xa90/0xa90
[  799.903022]  run_ksoftirqd+0x5e/0x100
[  799.906840]  smpboot_thread_fn+0x68b/0xa00
[  799.911091]  ? sort_range+0x30/0x30
[  799.914752]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  799.919875]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  799.925437]  ? __kthread_parkme+0xfb/0x1a0
[  799.929700]  ? sort_range+0x30/0x30
[  799.933348]  kthread+0x35a/0x440
[  799.936736]  ? kthread_stop+0x8f0/0x8f0
[  799.940732]  ret_from_fork+0x3a/0x50
[  799.944483] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  799.944584] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  799.952739] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  799.952746] Call Trace:
[  799.952754]  <IRQ>
[  799.952782]  dump_stack+0x244/0x39d
[  799.952799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  799.952833]  warn_alloc.cold.116+0xb7/0x1bd
[  799.959569] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  799.968713]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  799.971279] ksoftirqd/0 cpuset=/ mems_allowed=0
[  799.973436]  ? lock_downgrade+0x900/0x900
[  800.010551]  ? trace_hardirqs_off+0xb8/0x310
[  800.014997]  ? trace_hardirqs_off+0xb8/0x310
[  800.019443]  __alloc_pages_slowpath+0x26fe/0x2e30
[  800.024343]  ? warn_alloc+0x120/0x120
[  800.028177]  ? find_held_lock+0x36/0x1c0
[  800.032264]  ? warn_alloc+0x120/0x120
[  800.036092]  ? warn_alloc+0x120/0x120
[  800.039916]  ? print_usage_bug+0xc0/0xc0
[  800.044001]  ? print_usage_bug+0xc0/0xc0
[  800.048084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  800.053385]  ? rcu_read_unlock_special+0x370/0x370
[  800.058345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  800.063908]  ? should_fail+0x22d/0xd01
[  800.067826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  800.072962]  ? __lock_acquire+0x62f/0x4c20
[  800.077236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  800.082367]  ? __lock_acquire+0x62f/0x4c20
[  800.086632]  ? should_fail+0x22d/0xd01
[  800.090557]  ? mark_held_locks+0x130/0x130
[  800.094846]  ? mark_held_locks+0x130/0x130
[  800.099113]  ? __enqueue_entity+0x10d/0x1f0
[  800.103469]  ? graph_lock+0x270/0x270
[  800.107296]  ? print_usage_bug+0xc0/0xc0
[  800.111386]  ? __lock_acquire+0x62f/0x4c20
[  800.115650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.121227]  ? check_preemption_disabled+0x48/0x280
[  800.126287]  ? __lock_is_held+0xb5/0x140
[  800.130384]  __alloc_pages_nodemask+0xa7b/0xdd0
[  800.135078]  ? graph_lock+0x270/0x270
[  800.138903]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  800.143956]  ? find_held_lock+0x36/0x1c0
[  800.148053]  ? ____cache_alloc_node+0x1c7/0x1e0
[  800.152755]  ? lock_downgrade+0x900/0x900
[  800.156934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.162503]  cache_grow_begin+0xa5/0x8c0
[  800.166589]  ? do_raw_spin_unlock+0xa7/0x330
[  800.171035]  fallback_alloc+0x204/0x2e0
[  800.175046]  ____cache_alloc_node+0x1c7/0x1e0
[  800.179575]  kmem_cache_alloc_node+0xe3/0x730
[  800.184101]  ? ipv6_get_ifaddr+0x42e/0x620
[  800.188376]  __alloc_skb+0x114/0x770
[  800.192116]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  800.197432]  ? netdev_alloc_frag+0x1f0/0x1f0
[  800.201889]  ? lock_downgrade+0x900/0x900
[  800.206086]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.211661]  ? refcount_sub_and_test_checked+0x203/0x310
[  800.217185]  ? refcount_dec_if_one+0x180/0x180
[  800.221844]  ? addrconf_rs_timer+0x690/0x690
[  800.226302]  ndisc_alloc_skb+0x144/0x340
[  800.230417]  ndisc_send_rs+0x331/0x6e0
[  800.234351]  addrconf_rs_timer+0x314/0x690
[  800.238627]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  800.242909]  call_timer_fn+0x26d/0x920
[  800.246828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  800.251096]  ? process_timeout+0x40/0x40
[  800.255209]  ? mark_held_locks+0xc7/0x130
[  800.259380]  ? _raw_spin_unlock_irq+0x27/0x80
[  800.263897]  ? _raw_spin_unlock_irq+0x27/0x80
[  800.268407]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  800.272659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  800.277295]  ? trace_hardirqs_on+0xbd/0x310
[  800.281642]  ? kasan_check_read+0x11/0x20
[  800.285802]  ? __run_timers+0x7d5/0xc60
[  800.289789]  ? trace_hardirqs_off_caller+0x300/0x300
[  800.294924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  800.299177]  __run_timers+0x7e0/0xc60
[  800.302998]  ? timer_fixup_init+0x70/0x70
[  800.307157]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  800.312204]  ? graph_lock+0x270/0x270
[  800.316030]  ? print_usage_bug+0xc0/0xc0
[  800.320117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  800.325327]  ? find_held_lock+0x36/0x1c0
[  800.329410]  ? graph_lock+0x270/0x270
[  800.333249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.338804]  ? check_preemption_disabled+0x48/0x280
[  800.343879]  ? __lock_is_held+0xb5/0x140
[  800.347972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.353539]  ? check_preemption_disabled+0x48/0x280
[  800.358595]  run_timer_softirq+0x52/0xb0
[  800.362670]  ? rcu_read_lock_sched_held+0x14f/0x180
[  800.367719]  __do_softirq+0x308/0xb7e
[  800.371550]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  800.376086]  ? lock_downgrade+0x900/0x900
[  800.380257]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  800.385391]  ? pvclock_read_flags+0x160/0x160
[  800.389918]  ? lapic_next_event+0x5a/0x90
[  800.394096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.399666]  ? kvm_clock_read+0x18/0x30
[  800.403675]  ? kvm_sched_clock_read+0x9/0x20
[  800.408121]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  800.413690]  ? check_preemption_disabled+0x48/0x280
[  800.418746]  irq_exit+0x17f/0x1c0
[  800.422226]  smp_apic_timer_interrupt+0x1cb/0x760
[  800.427094]  ? smp_reschedule_interrupt+0x109/0x650
[  800.432136]  ? smp_call_function_single_interrupt+0x640/0x640
[  800.438061]  ? interrupt_entry+0xb5/0xc0
[  800.442151]  ? trace_hardirqs_off_caller+0xbb/0x300
[  800.447212]  ? trace_hardirqs_off_caller+0xbb/0x300
[  800.452257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  800.457127]  ? trace_hardirqs_on_caller+0x310/0x310
[  800.462166]  ? trace_hardirqs_on_caller+0x310/0x310
[  800.467239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  800.472116]  apic_timer_interrupt+0xf/0x20
[  800.476374]  </IRQ>
[  800.478635] RIP: 0010:dump_stack+0x358/0x39d
[  800.483058] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  800.501978] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  800.509724] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  800.517023] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  800.524320] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  800.531619] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  800.538912] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  800.546252]  ? dump_stack+0x34f/0x39d
[  800.550111]  ? dump_stack_print_info.cold.1+0x20/0x20
[  800.555339]  ? mark_held_locks+0x130/0x130
[  800.559603]  ? mark_held_locks+0x130/0x130
[  800.563876]  dump_header+0x27b/0xf72
[  800.567648]  ? pagefault_out_of_memory+0x197/0x197
[  800.572621]  ? mark_held_locks+0x130/0x130
[  800.576886]  ? __lock_acquire+0x62f/0x4c20
[  800.581145]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  800.585945]  ? print_usage_bug+0xc0/0xc0
[  800.590038]  ? graph_lock+0x270/0x270
[  800.593859]  ? graph_lock+0x270/0x270
[  800.597700]  ? print_usage_bug+0xc0/0xc0
[  800.601781]  ? print_usage_bug+0xc0/0xc0
[  800.605870]  ? graph_lock+0x270/0x270
[  800.609700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.615268]  ? find_held_lock+0x36/0x1c0
[  800.619366]  ? mark_held_locks+0xc7/0x130
[  800.623558]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  800.628697]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  800.633836]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  800.638449]  ? trace_hardirqs_on+0xbd/0x310
[  800.642804]  ? kasan_check_read+0x11/0x20
[  800.646979]  ? ___ratelimit+0x3b4/0x672
[  800.650996]  ? trace_hardirqs_off_caller+0x300/0x300
[  800.656141]  ? trace_hardirqs_on+0x310/0x310
[  800.660586]  ? lock_downgrade+0x900/0x900
[  800.664771]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  800.669903]  ? ___ratelimit+0x3b9/0x672
[  800.673903]  ? idr_get_free+0xf70/0xf70
[  800.677915]  ? kasan_check_read+0x11/0x20
[  800.682084]  ? do_raw_spin_unlock+0xa7/0x330
[  800.686543]  oom_kill_process.cold.27+0x10/0x903
[  800.691331]  ? graph_lock+0x270/0x270
[  800.695156]  ? _raw_spin_unlock+0x2c/0x50
[  800.699334]  ? oom_badness+0xe6/0xaa0
[  800.703162]  ? oom_evaluate_task+0x540/0x540
[  800.707612]  ? find_held_lock+0x36/0x1c0
[  800.711717]  ? out_of_memory+0x96f/0x1430
[  800.715897]  ? lock_downgrade+0x900/0x900
[  800.720067]  ? check_preemption_disabled+0x48/0x280
[  800.725123]  ? kasan_check_read+0x11/0x20
[  800.729294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  800.734610]  ? rcu_read_unlock_special+0x370/0x370
[  800.739603]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  800.744654]  ? oom_evaluate_task+0x302/0x540
[  800.749101]  out_of_memory+0xa7f/0x1430
[  800.753121]  ? oom_killer_disable+0x3a0/0x3a0
[  800.757694]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  800.762662]  ? __ww_mutex_check_waiters+0x160/0x160
[  800.767732]  __alloc_pages_slowpath+0x236a/0x2e30
[  800.772642]  ? warn_alloc+0x120/0x120
[  800.776476]  ? mark_held_locks+0x130/0x130
[  800.780743]  ? find_get_entry+0xaae/0x1120
[  800.785018]  ? filemap_map_pages+0x1a20/0x1a20
[  800.789637]  ? graph_lock+0x270/0x270
[  800.793467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.799034]  ? check_preemption_disabled+0x48/0x280
[  800.804084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  800.809654]  ? should_fail+0x22d/0xd01
[  800.813587]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  800.818740]  ? graph_lock+0x270/0x270
[  800.822595]  ? __lock_is_held+0xb5/0x140
[  800.826701]  ? mark_held_locks+0x130/0x130
[  800.830981]  ? lock_release+0xa10/0xa10
[  800.834976]  ? perf_trace_sched_process_exec+0x860/0x860
[  800.840454]  ? xa_load+0x2ba/0x460
[  800.844025]  ? lock_downgrade+0x900/0x900
[  800.848211]  ? __might_sleep+0x95/0x190
[  800.852225]  __alloc_pages_nodemask+0xa7b/0xdd0
[  800.856965]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  800.862008]  ? __page_cache_alloc+0x177/0x570
[  800.866524]  ? xa_load+0x2e1/0x460
[  800.870091]  ? xa_clear_mark+0x40/0x40
[  800.874004]  ? graph_lock+0x270/0x270
[  800.877834]  ? graph_lock+0x270/0x270
[  800.881655]  ? graph_lock+0x270/0x270
[  800.885484]  ? __do_page_cache_readahead+0x663/0x810
[  800.890614]  ? find_held_lock+0x36/0x1c0
[  800.894710]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  800.900287]  alloc_pages_current+0x173/0x350
[  800.904740]  __page_cache_alloc+0x3ce/0x570
[  800.909095]  ? kasan_check_read+0x11/0x20
[  800.913269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  800.918573]  ? generic_perform_write+0x6a0/0x6a0
[  800.923356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  800.928923]  ? check_preemption_disabled+0x48/0x280
[  800.933992]  filemap_fault+0x1595/0x25f0
[  800.938103]  ? __lock_page_or_retry+0xa00/0xa00
[  800.942978]  ? mark_held_locks+0x130/0x130
[  800.947242]  ? filemap_map_pages+0xd6b/0x1a20
[  800.951772]  ? lock_downgrade+0x900/0x900
[  800.955939]  ? check_preemption_disabled+0x48/0x280
[  800.960982]  ? kasan_check_read+0x11/0x20
[  800.965151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  800.970491]  ? rcu_read_unlock_special+0x370/0x370
[  800.975458]  ? filemap_map_pages+0xd92/0x1a20
[  800.979985]  ? find_get_entries_tag+0x1400/0x1400
[  800.984849]  ? debug_object_destroy+0x2b0/0x2b0
[  800.989545]  ? lock_pi_update_atomic+0x150/0x150
[  800.994324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  800.999908]  ? lock_acquire+0x1ed/0x520
[  801.003913]  ? ext4_filemap_fault+0x7a/0xad
[  801.008285]  ? lock_release+0xa10/0xa10
[  801.012284]  ? perf_trace_sched_process_exec+0x860/0x860
[  801.017767]  ? print_usage_bug+0xc0/0xc0
[  801.021855]  ? print_usage_bug+0xc0/0xc0
[  801.025971]  ? down_read+0x8d/0x120
[  801.029611]  ? ext4_filemap_fault+0x7a/0xad
[  801.033982]  ? __down_interruptible+0x700/0x700
[  801.038688]  ext4_filemap_fault+0x82/0xad
[  801.042873]  __do_fault+0x100/0x6b0
[  801.046524]  ? do_futex+0x1df/0x26d0
[  801.050270]  ? pmd_devmap_trans_unstable+0x220/0x220
[  801.055408]  ? mark_held_locks+0x130/0x130
[  801.059674]  ? mark_held_locks+0x130/0x130
[  801.063968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  801.069553]  __handle_mm_fault+0x3ea0/0x5be0
[  801.073992]  ? perf_trace_lock+0x7a0/0x7a0
[  801.078790]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  801.083673]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  801.088305]  ? graph_lock+0x270/0x270
[  801.092127]  ? graph_lock+0x270/0x270
[  801.095957]  ? __x64_sys_futex+0x53e/0x6a0
[  801.100222]  ? find_held_lock+0x36/0x1c0
[  801.104315]  ? handle_mm_fault+0x42a/0xc70
[  801.108579]  ? lock_downgrade+0x900/0x900
[  801.112758]  ? check_preemption_disabled+0x48/0x280
[  801.117808]  ? kasan_check_read+0x11/0x20
[  801.121974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  801.127281]  ? rcu_read_unlock_special+0x370/0x370
[  801.132240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  801.137808]  ? check_preemption_disabled+0x48/0x280
[  801.142875]  handle_mm_fault+0x54f/0xc70
[  801.146976]  ? __handle_mm_fault+0x5be0/0x5be0
[  801.151590]  ? find_vma+0x34/0x190
[  801.155159]  __do_page_fault+0x5d6/0xe40
[  801.159246]  ? trace_hardirqs_off+0xb8/0x310
[  801.163704]  do_page_fault+0xed/0x7d1
[  801.167528]  ? vmalloc_sync_all+0x30/0x30
[  801.171699]  ? error_entry+0x70/0xd0
[  801.175449]  ? trace_hardirqs_off_caller+0xbb/0x300
[  801.180499]  ? trace_hardirqs_on_caller+0xc0/0x310
[  801.185454]  ? syscall_return_slowpath+0x5e0/0x5e0
[  801.190413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  801.195294]  ? trace_hardirqs_on_caller+0x310/0x310
[  801.200343]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  801.205828]  ? prepare_exit_to_usermode+0x291/0x3b0
[  801.210877]  ? page_fault+0x8/0x30
[  801.214450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  801.219327]  ? page_fault+0x8/0x30
[  801.222894]  page_fault+0x1e/0x30
[  801.226366] RIP: 0033:0x45ddf3
[  801.229585] Code: Bad RIP value.
[  801.232965] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  801.238353] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  801.245647] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  801.252947] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  801.260241] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  801.267528] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  801.274848] warn_alloc_show_mem: 1 callbacks suppressed
[  801.274860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  801.274862] Mem-Info:
[  801.274895] active_anon:129018 inactive_anon:195 isolated_anon:0
[  801.274895]  active_file:12 inactive_file:15 isolated_file:0
[  801.274895]  unevictable:1 dirty:0 writeback:0 unstable:0
[  801.274895]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  801.274895]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  801.274895]  free:13741 free_pcp:161 free_cma:0
[  801.280253] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  801.280265] Call Trace:
[  801.288350] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  801.290791]  dump_stack+0x244/0x39d
[  801.323843] 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
[  801.333254]  ? dump_stack_print_info.cold.1+0x20/0x20
[  801.335812] lowmem_reserve[]: 0 2818 6321 6321
[  801.363424]  warn_alloc.cold.116+0xb7/0x1bd
[  801.367032] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  801.393163]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  801.398337] lowmem_reserve[]: 0 0 3503 3503
[  801.402948]  ? lock_downgrade+0x900/0x900
[  801.407244] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  801.434680]  ? trace_hardirqs_off+0xb8/0x310
[  801.439510] lowmem_reserve[]: 0 0 0 0
[  801.443866]  ? trace_hardirqs_off+0xb8/0x310
[  801.447991] 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
[  801.476918]  __alloc_pages_slowpath+0x26fe/0x2e30
[  801.481333] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  801.485189]  ? warn_alloc+0x120/0x120
[  801.489546] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  801.503197]  ? print_usage_bug+0xc0/0xc0
[  801.508026] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  801.522441]  ? warn_alloc+0x120/0x120
[  801.526224] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  801.526235] 296 total pagecache pages
[  801.541522]  ? warn_alloc+0x120/0x120
[  801.545570] 0 pages in swap cache
[  801.554433]  ? print_usage_bug+0xc0/0xc0
[  801.558218] Swap cache stats: add 0, delete 0, find 0/0
[  801.566822]  ? print_usage_bug+0xc0/0xc0
[  801.570595] Free swap  = 0kB
[  801.570606] Total swap = 0kB
[  801.574432]  ? print_usage_bug+0xc0/0xc0
[  801.577862] 1965979 pages RAM
[  801.581936]  ? __lock_acquire+0x62f/0x4c20
[  801.587281] 0 pages HighMem/MovableOnly
[  801.591361]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  801.594349] 342854 pages reserved
[  801.597390]  ? should_fail+0x22d/0xd01
[  801.601422] 0 pages cma reserved
[  801.601515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  801.604548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  801.608895] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  801.612743]  ? __lock_acquire+0x62f/0x4c20
[  801.618264] syz-fuzzer cpuset=/ mems_allowed=0
[  801.621745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  801.664689]  ? __lock_acquire+0x62f/0x4c20
[  801.668940]  ? should_fail+0x22d/0xd01
[  801.672867]  ? mark_held_locks+0x130/0x130
[  801.677122]  ? mark_held_locks+0x130/0x130
[  801.681367]  ? graph_lock+0x270/0x270
[  801.685200]  ? graph_lock+0x270/0x270
[  801.689016]  ? print_usage_bug+0xc0/0xc0
[  801.693094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  801.698650]  ? check_preemption_disabled+0x48/0x280
[  801.703701]  ? __lock_is_held+0xb5/0x140
[  801.707788]  __alloc_pages_nodemask+0xa7b/0xdd0
[  801.712481]  ? graph_lock+0x270/0x270
[  801.716313]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  801.721365]  ? find_held_lock+0x36/0x1c0
[  801.725449]  ? ____cache_alloc_node+0x1c7/0x1e0
[  801.730135]  ? lock_downgrade+0x900/0x900
[  801.734317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  801.739877]  cache_grow_begin+0xa5/0x8c0
[  801.743965]  ? do_raw_spin_unlock+0xa7/0x330
[  801.748395]  fallback_alloc+0x204/0x2e0
[  801.752400]  ____cache_alloc_node+0x1c7/0x1e0
[  801.756920]  kmem_cache_alloc_node+0xe3/0x730
[  801.761432]  ? ipv6_get_ifaddr+0x42e/0x620
[  801.765692]  __alloc_skb+0x114/0x770
[  801.769417]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  801.774713]  ? netdev_alloc_frag+0x1f0/0x1f0
[  801.779139]  ? lock_downgrade+0x900/0x900
[  801.783315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  801.788875]  ? refcount_sub_and_test_checked+0x203/0x310
[  801.794355]  ? refcount_dec_if_one+0x180/0x180
[  801.798959]  ? addrconf_rs_timer+0x690/0x690
[  801.803409]  ndisc_alloc_skb+0x144/0x340
[  801.807488]  ndisc_send_rs+0x331/0x6e0
[  801.811394]  addrconf_rs_timer+0x314/0x690
[  801.815649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  801.819920]  call_timer_fn+0x26d/0x920
[  801.823827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  801.828073]  ? process_timeout+0x40/0x40
[  801.832156]  ? __run_timers+0x7d5/0xc60
[  801.836168]  ? _raw_spin_unlock_irq+0x27/0x80
[  801.840705]  ? _raw_spin_unlock_irq+0x27/0x80
[  801.845224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  801.849477]  ? lockdep_hardirqs_on+0x296/0x5b0
[  801.854078]  ? trace_hardirqs_on+0xbd/0x310
[  801.858413]  ? kasan_check_read+0x11/0x20
[  801.862572]  ? __run_timers+0x7d5/0xc60
[  801.866564]  ? trace_hardirqs_off_caller+0x300/0x300
[  801.871701]  ? prandom_seed_full_state+0x3b0/0x3b0
[  801.876652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  801.880896]  __run_timers+0x7e0/0xc60
[  801.884721]  ? timer_fixup_init+0x70/0x70
[  801.888912]  ? _raw_spin_unlock_irq+0x27/0x80
[  801.893423]  ? _raw_spin_unlock_irq+0x27/0x80
[  801.897938]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  801.902541]  ? trace_hardirqs_on+0xbd/0x310
[  801.906877]  ? kasan_check_read+0x11/0x20
[  801.911039]  ? finish_task_switch+0x1f4/0x920
[  801.915556]  ? trace_hardirqs_off_caller+0x300/0x300
[  801.920681]  ? compat_start_thread+0x80/0x80
[  801.925131]  ? pvclock_read_flags+0x160/0x160
[  801.929646]  ? __switch_to_asm+0x34/0x70
[  801.933732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  801.939306]  ? check_preemption_disabled+0x48/0x280
[  801.944357]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  801.949923]  ? rcu_pm_notify+0xc0/0xc0
[  801.953831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  801.959410]  ? check_preemption_disabled+0x48/0x280
[  801.964454]  run_timer_softirq+0x52/0xb0
[  801.968534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  801.973577]  __do_softirq+0x308/0xb7e
[  801.977403]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  801.982200]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  801.987336]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  801.992123]  ? trace_hardirqs_off+0xb8/0x310
[  801.996555]  ? smpboot_thread_fn+0x68b/0xa00
[  802.000984]  ? trace_hardirqs_on+0x310/0x310
[  802.005498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  802.011056]  ? check_preemption_disabled+0x48/0x280
[  802.016101]  ? takeover_tasklets+0xa90/0xa90
[  802.020544]  run_ksoftirqd+0x5e/0x100
[  802.024361]  smpboot_thread_fn+0x68b/0xa00
[  802.028617]  ? sort_range+0x30/0x30
[  802.032265]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  802.037394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  802.042958]  ? __kthread_parkme+0xfb/0x1a0
[  802.047223]  ? sort_range+0x30/0x30
[  802.050867]  kthread+0x35a/0x440
[  802.054247]  ? kthread_stop+0x8f0/0x8f0
[  802.058243]  ret_from_fork+0x3a/0x50
[  802.061992] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  802.062087] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  802.070240] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  802.070247] Call Trace:
[  802.070254]  <IRQ>
[  802.070282]  dump_stack+0x244/0x39d
[  802.070298]  ? dump_stack_print_info.cold.1+0x20/0x20
[  802.070330]  warn_alloc.cold.116+0xb7/0x1bd
[  802.076906] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  802.086224]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  802.088794] ksoftirqd/0 cpuset=/ mems_allowed=0
[  802.090954]  ? lock_downgrade+0x900/0x900
[  802.128052]  ? trace_hardirqs_off+0xb8/0x310
[  802.132482]  ? trace_hardirqs_off+0xb8/0x310
[  802.136916]  __alloc_pages_slowpath+0x26fe/0x2e30
[  802.141810]  ? warn_alloc+0x120/0x120
[  802.145629]  ? print_usage_bug+0xc0/0xc0
[  802.149721]  ? warn_alloc+0x120/0x120
[  802.153538]  ? warn_alloc+0x120/0x120
[  802.157354]  ? print_usage_bug+0xc0/0xc0
[  802.161428]  ? kvm_clock_read+0x18/0x30
[  802.165433]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  802.170472]  ? print_usage_bug+0xc0/0xc0
[  802.174567]  ? __lock_acquire+0x62f/0x4c20
[  802.178838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  802.184403]  ? should_fail+0x22d/0xd01
[  802.188314]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  802.193620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  802.198759]  ? __lock_acquire+0x62f/0x4c20
[  802.203025]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  802.208182]  ? __lock_acquire+0x62f/0x4c20
[  802.212463]  ? should_fail+0x22d/0xd01
[  802.216375]  ? rcu_irq_exit+0x1a2/0x390
[  802.220391]  ? mark_held_locks+0x130/0x130
[  802.224663]  ? mark_held_locks+0x130/0x130
[  802.228934]  ? mark_held_locks+0xc7/0x130
[  802.233102]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  802.238150]  ? graph_lock+0x270/0x270
[  802.241990]  ? print_usage_bug+0xc0/0xc0
[  802.246081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.251653]  ? check_preemption_disabled+0x48/0x280
[  802.256727]  ? __lock_is_held+0xb5/0x140
[  802.260836]  __alloc_pages_nodemask+0xa7b/0xdd0
[  802.265556]  ? graph_lock+0x270/0x270
[  802.269400]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  802.274467]  ? find_held_lock+0x36/0x1c0
[  802.278572]  ? ____cache_alloc_node+0x1c7/0x1e0
[  802.283271]  ? lock_downgrade+0x900/0x900
[  802.287466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.293041]  cache_grow_begin+0xa5/0x8c0
[  802.297131]  ? do_raw_spin_unlock+0xa7/0x330
[  802.301574]  fallback_alloc+0x204/0x2e0
[  802.305582]  ____cache_alloc_node+0x1c7/0x1e0
[  802.310117]  kmem_cache_alloc_node+0xe3/0x730
[  802.314638]  ? ipv6_get_ifaddr+0x42e/0x620
[  802.318904]  __alloc_skb+0x114/0x770
[  802.322647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  802.327957]  ? netdev_alloc_frag+0x1f0/0x1f0
[  802.332391]  ? lock_downgrade+0x900/0x900
[  802.336572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.342141]  ? refcount_sub_and_test_checked+0x203/0x310
[  802.347634]  ? refcount_dec_if_one+0x180/0x180
[  802.352244]  ? addrconf_rs_timer+0x690/0x690
[  802.356699]  ndisc_alloc_skb+0x144/0x340
[  802.360796]  ndisc_send_rs+0x331/0x6e0
[  802.364720]  addrconf_rs_timer+0x314/0x690
[  802.368983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  802.373261]  call_timer_fn+0x26d/0x920
[  802.377179]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  802.381451]  ? process_timeout+0x40/0x40
[  802.385544]  ? mark_held_locks+0xc7/0x130
[  802.389728]  ? _raw_spin_unlock_irq+0x27/0x80
[  802.394248]  ? _raw_spin_unlock_irq+0x27/0x80
[  802.398762]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  802.403025]  ? lockdep_hardirqs_on+0x296/0x5b0
[  802.407631]  ? trace_hardirqs_on+0xbd/0x310
[  802.411988]  ? kasan_check_read+0x11/0x20
[  802.416156]  ? __run_timers+0x7d5/0xc60
[  802.420165]  ? trace_hardirqs_off_caller+0x300/0x300
[  802.425307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  802.429574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  802.433828]  __run_timers+0x7e0/0xc60
[  802.437664]  ? timer_fixup_init+0x70/0x70
[  802.441837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  802.446886]  ? graph_lock+0x270/0x270
[  802.450719]  ? print_usage_bug+0xc0/0xc0
[  802.454805]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  802.460024]  ? find_held_lock+0x36/0x1c0
[  802.464123]  ? graph_lock+0x270/0x270
[  802.467957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.473524]  ? check_preemption_disabled+0x48/0x280
[  802.478578]  ? __lock_is_held+0xb5/0x140
[  802.482667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.488249]  ? check_preemption_disabled+0x48/0x280
[  802.493307]  run_timer_softirq+0x52/0xb0
[  802.497395]  ? rcu_read_lock_sched_held+0x14f/0x180
[  802.502444]  __do_softirq+0x308/0xb7e
[  802.506281]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  802.510798]  ? lock_downgrade+0x900/0x900
[  802.514969]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  802.520105]  ? pvclock_read_flags+0x160/0x160
[  802.524639]  ? lapic_next_event+0x5a/0x90
[  802.528811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.534396]  ? kvm_clock_read+0x18/0x30
[  802.538392]  ? kvm_sched_clock_read+0x9/0x20
[  802.542825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  802.548391]  ? check_preemption_disabled+0x48/0x280
[  802.553446]  irq_exit+0x17f/0x1c0
[  802.556923]  smp_apic_timer_interrupt+0x1cb/0x760
[  802.561784]  ? smp_reschedule_interrupt+0x109/0x650
[  802.566827]  ? smp_call_function_single_interrupt+0x640/0x640
[  802.572742]  ? interrupt_entry+0xb5/0xc0
[  802.576839]  ? trace_hardirqs_off_caller+0xbb/0x300
[  802.581883]  ? trace_hardirqs_off_caller+0xbb/0x300
[  802.586943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  802.591845]  ? trace_hardirqs_on_caller+0x310/0x310
[  802.596884]  ? trace_hardirqs_on_caller+0x310/0x310
[  802.601942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  802.606819]  apic_timer_interrupt+0xf/0x20
[  802.611068]  </IRQ>
[  802.613320] RIP: 0010:dump_stack+0x358/0x39d
[  802.617745] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  802.636668] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  802.644418] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  802.651730] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  802.659028] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  802.666326] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  802.673620] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  802.680942]  ? dump_stack+0x34f/0x39d
[  802.684787]  ? dump_stack_print_info.cold.1+0x20/0x20
[  802.690011]  ? mark_held_locks+0x130/0x130
[  802.694274]  ? mark_held_locks+0x130/0x130
[  802.698555]  dump_header+0x27b/0xf72
[  802.702304]  ? pagefault_out_of_memory+0x197/0x197
[  802.707267]  ? mark_held_locks+0x130/0x130
[  802.711538]  ? __lock_acquire+0x62f/0x4c20
[  802.715795]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  802.720576]  ? print_usage_bug+0xc0/0xc0
[  802.724659]  ? graph_lock+0x270/0x270
[  802.728475]  ? graph_lock+0x270/0x270
[  802.732295]  ? print_usage_bug+0xc0/0xc0
[  802.736388]  ? print_usage_bug+0xc0/0xc0
[  802.740473]  ? graph_lock+0x270/0x270
[  802.744298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.749870]  ? find_held_lock+0x36/0x1c0
[  802.753969]  ? mark_held_locks+0xc7/0x130
[  802.758153]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  802.763304]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  802.768450]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  802.773068]  ? trace_hardirqs_on+0xbd/0x310
[  802.777422]  ? kasan_check_read+0x11/0x20
[  802.781602]  ? ___ratelimit+0x3b4/0x672
[  802.785604]  ? trace_hardirqs_off_caller+0x300/0x300
[  802.790743]  ? trace_hardirqs_on+0x310/0x310
[  802.795192]  ? lock_downgrade+0x900/0x900
[  802.799378]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  802.804509]  ? ___ratelimit+0x3b9/0x672
[  802.808513]  ? idr_get_free+0xf70/0xf70
[  802.812512]  ? kasan_check_read+0x11/0x20
[  802.816710]  ? do_raw_spin_unlock+0xa7/0x330
[  802.821159]  oom_kill_process.cold.27+0x10/0x903
[  802.825954]  ? graph_lock+0x270/0x270
[  802.829793]  ? _raw_spin_unlock+0x2c/0x50
[  802.833981]  ? oom_badness+0xe6/0xaa0
[  802.837813]  ? oom_evaluate_task+0x540/0x540
[  802.842268]  ? find_held_lock+0x36/0x1c0
[  802.846369]  ? out_of_memory+0x96f/0x1430
[  802.850563]  ? lock_downgrade+0x900/0x900
[  802.854732]  ? check_preemption_disabled+0x48/0x280
[  802.859788]  ? kasan_check_read+0x11/0x20
[  802.863956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  802.869264]  ? rcu_read_unlock_special+0x370/0x370
[  802.874234]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  802.879275]  ? oom_evaluate_task+0x302/0x540
[  802.883721]  out_of_memory+0xa7f/0x1430
[  802.887730]  ? oom_killer_disable+0x3a0/0x3a0
[  802.892270]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  802.897235]  ? __ww_mutex_check_waiters+0x160/0x160
[  802.902288]  __alloc_pages_slowpath+0x236a/0x2e30
[  802.907196]  ? warn_alloc+0x120/0x120
[  802.911022]  ? mark_held_locks+0x130/0x130
[  802.915306]  ? find_get_entry+0xaae/0x1120
[  802.919592]  ? filemap_map_pages+0x1a20/0x1a20
[  802.924203]  ? graph_lock+0x270/0x270
[  802.928030]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  802.933589]  ? check_preemption_disabled+0x48/0x280
[  802.938634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  802.944471]  ? should_fail+0x22d/0xd01
[  802.948395]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  802.953533]  ? graph_lock+0x270/0x270
[  802.957392]  ? __lock_is_held+0xb5/0x140
[  802.961496]  ? mark_held_locks+0x130/0x130
[  802.965786]  ? lock_release+0xa10/0xa10
[  802.969797]  ? perf_trace_sched_process_exec+0x860/0x860
[  802.975279]  ? xa_load+0x2ba/0x460
[  802.978851]  ? lock_downgrade+0x900/0x900
[  802.983032]  ? __might_sleep+0x95/0x190
[  802.987040]  __alloc_pages_nodemask+0xa7b/0xdd0
[  802.991745]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  802.996792]  ? __page_cache_alloc+0x177/0x570
[  803.001312]  ? xa_load+0x2e1/0x460
[  803.004894]  ? xa_clear_mark+0x40/0x40
[  803.008817]  ? graph_lock+0x270/0x270
[  803.012657]  ? graph_lock+0x270/0x270
[  803.016497]  ? graph_lock+0x270/0x270
[  803.020315]  ? __do_page_cache_readahead+0x663/0x810
[  803.025452]  ? find_held_lock+0x36/0x1c0
[  803.029544]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  803.035117]  alloc_pages_current+0x173/0x350
[  803.039569]  __page_cache_alloc+0x3ce/0x570
[  803.043919]  ? kasan_check_read+0x11/0x20
[  803.048092]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  803.053400]  ? generic_perform_write+0x6a0/0x6a0
[  803.058205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  803.063778]  ? check_preemption_disabled+0x48/0x280
[  803.068832]  filemap_fault+0x1595/0x25f0
[  803.072937]  ? __lock_page_or_retry+0xa00/0xa00
[  803.078138]  ? mark_held_locks+0x130/0x130
[  803.082424]  ? filemap_map_pages+0xd6b/0x1a20
[  803.086964]  ? lock_downgrade+0x900/0x900
[  803.091155]  ? check_preemption_disabled+0x48/0x280
[  803.096223]  ? kasan_check_read+0x11/0x20
[  803.100402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  803.105712]  ? rcu_read_unlock_special+0x370/0x370
[  803.110692]  ? filemap_map_pages+0xd92/0x1a20
[  803.115237]  ? find_get_entries_tag+0x1400/0x1400
[  803.120113]  ? debug_object_destroy+0x2b0/0x2b0
[  803.124813]  ? lock_pi_update_atomic+0x150/0x150
[  803.129598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  803.135187]  ? lock_acquire+0x1ed/0x520
[  803.139212]  ? ext4_filemap_fault+0x7a/0xad
[  803.143576]  ? lock_release+0xa10/0xa10
[  803.147591]  ? perf_trace_sched_process_exec+0x860/0x860
[  803.153071]  ? print_usage_bug+0xc0/0xc0
[  803.157163]  ? print_usage_bug+0xc0/0xc0
[  803.161266]  ? down_read+0x8d/0x120
[  803.164923]  ? ext4_filemap_fault+0x7a/0xad
[  803.169271]  ? __down_interruptible+0x700/0x700
[  803.173978]  ext4_filemap_fault+0x82/0xad
[  803.178154]  __do_fault+0x100/0x6b0
[  803.181814]  ? do_futex+0x1df/0x26d0
[  803.185559]  ? pmd_devmap_trans_unstable+0x220/0x220
[  803.190702]  ? mark_held_locks+0x130/0x130
[  803.195053]  ? mark_held_locks+0x130/0x130
[  803.199328]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  803.204914]  __handle_mm_fault+0x3ea0/0x5be0
[  803.209351]  ? perf_trace_lock+0x7a0/0x7a0
[  803.213626]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  803.218510]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  803.223140]  ? graph_lock+0x270/0x270
[  803.226974]  ? graph_lock+0x270/0x270
[  803.230800]  ? __x64_sys_futex+0x53e/0x6a0
[  803.235078]  ? find_held_lock+0x36/0x1c0
[  803.239180]  ? handle_mm_fault+0x42a/0xc70
[  803.243447]  ? lock_downgrade+0x900/0x900
[  803.247630]  ? check_preemption_disabled+0x48/0x280
[  803.252701]  ? kasan_check_read+0x11/0x20
[  803.256876]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  803.262194]  ? rcu_read_unlock_special+0x370/0x370
[  803.267209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  803.272789]  ? check_preemption_disabled+0x48/0x280
[  803.277851]  handle_mm_fault+0x54f/0xc70
[  803.281947]  ? __handle_mm_fault+0x5be0/0x5be0
[  803.286554]  ? find_vma+0x34/0x190
[  803.290194]  __do_page_fault+0x5d6/0xe40
[  803.294293]  ? trace_hardirqs_off+0xb8/0x310
[  803.298724]  do_page_fault+0xed/0x7d1
[  803.302533]  ? vmalloc_sync_all+0x30/0x30
[  803.306710]  ? error_entry+0x70/0xd0
[  803.310455]  ? trace_hardirqs_off_caller+0xbb/0x300
[  803.315485]  ? trace_hardirqs_on_caller+0xc0/0x310
[  803.320432]  ? syscall_return_slowpath+0x5e0/0x5e0
[  803.325376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  803.330243]  ? trace_hardirqs_on_caller+0x310/0x310
[  803.335288]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  803.340780]  ? prepare_exit_to_usermode+0x291/0x3b0
[  803.345826]  ? page_fault+0x8/0x30
[  803.349419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  803.354286]  ? page_fault+0x8/0x30
[  803.357890]  page_fault+0x1e/0x30
[  803.361385] RIP: 0033:0x45ddf3
[  803.364619] Code: Bad RIP value.
[  803.367994] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  803.373377] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  803.380666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  803.387962] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  803.395256] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  803.402584] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  803.409933] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  803.409939] warn_alloc_show_mem: 1 callbacks suppressed
[  803.409949] Mem-Info:
[  803.418045] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  803.423432] active_anon:129018 inactive_anon:195 isolated_anon:0
[  803.423432]  active_file:12 inactive_file:15 isolated_file:0
[  803.423432]  unevictable:1 dirty:0 writeback:0 unstable:0
[  803.423432]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  803.423432]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  803.423432]  free:13741 free_pcp:161 free_cma:0
[  803.425815] Call Trace:
[  803.435245] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  803.468316]  dump_stack+0x244/0x39d
[  803.470884] 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
[  803.498502]  ? dump_stack_print_info.cold.1+0x20/0x20
[  803.502116] lowmem_reserve[]: 0 2818 6321 6321
[  803.528261]  warn_alloc.cold.116+0xb7/0x1bd
[  803.533439] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  803.538043]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  803.542350] lowmem_reserve[]: 0 0 3503 3503
[  803.569794]  ? lock_downgrade+0x900/0x900
[  803.574620] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  803.578957]  ? trace_hardirqs_off+0xb8/0x310
[  803.583063] lowmem_reserve[]: 0 0 0 0
[  803.611993]  ? trace_hardirqs_off+0xb8/0x310
[  803.616381] 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
[  803.620212]  __alloc_pages_slowpath+0x26fe/0x2e30
[  803.624605] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  803.638196]  ? warn_alloc+0x120/0x120
[  803.642990] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  803.657424]  ? print_usage_bug+0xc0/0xc0
[  803.661219] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  803.676497]  ? warn_alloc+0x120/0x120
[  803.680543] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  803.680554] 296 total pagecache pages
[  803.689411]  ? warn_alloc+0x120/0x120
[  803.693202] 0 pages in swap cache
[  803.701797]  ? print_usage_bug+0xc0/0xc0
[  803.705591] Swap cache stats: add 0, delete 0, find 0/0
[  803.709403]  ? print_usage_bug+0xc0/0xc0
[  803.712830] Free swap  = 0kB
[  803.716901]  ? __lock_acquire+0x62f/0x4c20
[  803.722256] Total swap = 0kB
[  803.726342]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  803.729328] 1965979 pages RAM
[  803.733565]  ? should_fail+0x22d/0xd01
[  803.736561] 0 pages HighMem/MovableOnly
[  803.742110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  803.745189] 342854 pages reserved
[  803.745198] 0 pages cma reserved
[  803.749143]  ? __lock_acquire+0x62f/0x4c20
[  803.753185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  803.758238]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  803.761823] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  803.765043]  ? __lock_acquire+0x62f/0x4c20
[  803.769267] syz-fuzzer cpuset=/ mems_allowed=0
[  803.775783]  ? should_fail+0x22d/0xd01
[  803.803798]  ? find_held_lock+0x36/0x1c0
[  803.807880]  ? mark_held_locks+0x130/0x130
[  803.812135]  ? mark_held_locks+0x130/0x130
[  803.816396]  ? graph_lock+0x270/0x270
[  803.820215]  ? graph_lock+0x270/0x270
[  803.824028]  ? print_usage_bug+0xc0/0xc0
[  803.828095]  ? do_raw_spin_unlock+0xa7/0x330
[  803.832518]  ? graph_lock+0x270/0x270
[  803.836327]  ? print_usage_bug+0xc0/0xc0
[  803.840393]  ? wq_watchdog_touch+0x9c/0xfe
[  803.844644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  803.850213]  ? check_preemption_disabled+0x48/0x280
[  803.855258]  ? __lock_is_held+0xb5/0x140
[  803.859342]  __alloc_pages_nodemask+0xa7b/0xdd0
[  803.864025]  ? graph_lock+0x270/0x270
[  803.867838]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  803.872882]  ? find_held_lock+0x36/0x1c0
[  803.876960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  803.881641]  ? lock_downgrade+0x900/0x900
[  803.885805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  803.891373]  cache_grow_begin+0xa5/0x8c0
[  803.895449]  ? do_raw_spin_unlock+0xa7/0x330
[  803.899879]  fallback_alloc+0x204/0x2e0
[  803.903871]  ____cache_alloc_node+0x1c7/0x1e0
[  803.908382]  kmem_cache_alloc_node+0xe3/0x730
[  803.912886]  ? ipv6_get_ifaddr+0x42e/0x620
[  803.917155]  __alloc_skb+0x114/0x770
[  803.920902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  803.926243]  ? netdev_alloc_frag+0x1f0/0x1f0
[  803.930671]  ? lock_downgrade+0x900/0x900
[  803.934845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  803.940409]  ? refcount_sub_and_test_checked+0x203/0x310
[  803.945901]  ? refcount_dec_if_one+0x180/0x180
[  803.950515]  ? addrconf_rs_timer+0x690/0x690
[  803.954953]  ndisc_alloc_skb+0x144/0x340
[  803.959034]  ndisc_send_rs+0x331/0x6e0
[  803.962937]  addrconf_rs_timer+0x314/0x690
[  803.967200]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  803.971462]  call_timer_fn+0x26d/0x920
[  803.975722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  803.979967]  ? process_timeout+0x40/0x40
[  803.984047]  ? __run_timers+0x7d5/0xc60
[  803.988039]  ? _raw_spin_unlock_irq+0x27/0x80
[  803.992556]  ? _raw_spin_unlock_irq+0x27/0x80
[  803.997062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.001315]  ? lockdep_hardirqs_on+0x296/0x5b0
[  804.005915]  ? trace_hardirqs_on+0xbd/0x310
[  804.010251]  ? kasan_check_read+0x11/0x20
[  804.014411]  ? __run_timers+0x7d5/0xc60
[  804.018399]  ? trace_hardirqs_off_caller+0x300/0x300
[  804.023524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.027772]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.032022]  __run_timers+0x7e0/0xc60
[  804.035841]  ? timer_fixup_init+0x70/0x70
[  804.040005]  ? _raw_spin_unlock_irq+0x27/0x80
[  804.044516]  ? _raw_spin_unlock_irq+0x27/0x80
[  804.049025]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  804.053625]  ? trace_hardirqs_on+0xbd/0x310
[  804.057961]  ? kasan_check_read+0x11/0x20
[  804.062124]  ? finish_task_switch+0x1f4/0x920
[  804.066634]  ? trace_hardirqs_off_caller+0x300/0x300
[  804.071754]  ? compat_start_thread+0x80/0x80
[  804.076213]  ? pvclock_read_flags+0x160/0x160
[  804.080723]  ? __switch_to_asm+0x34/0x70
[  804.084798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.090351]  ? check_preemption_disabled+0x48/0x280
[  804.095393]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  804.100953]  ? rcu_pm_notify+0xc0/0xc0
[  804.104854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.110413]  ? check_preemption_disabled+0x48/0x280
[  804.115448]  run_timer_softirq+0x52/0xb0
[  804.119536]  ? rcu_read_lock_sched_held+0x14f/0x180
[  804.124570]  __do_softirq+0x308/0xb7e
[  804.128393]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  804.133234]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  804.138382]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  804.143179]  ? trace_hardirqs_off+0xb8/0x310
[  804.147617]  ? smpboot_thread_fn+0x68b/0xa00
[  804.152041]  ? trace_hardirqs_on+0x310/0x310
[  804.156465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  804.162019]  ? check_preemption_disabled+0x48/0x280
[  804.167050]  ? takeover_tasklets+0xa90/0xa90
[  804.171471]  run_ksoftirqd+0x5e/0x100
[  804.175286]  smpboot_thread_fn+0x68b/0xa00
[  804.179536]  ? sort_range+0x30/0x30
[  804.183191]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  804.188316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  804.193874]  ? __kthread_parkme+0xfb/0x1a0
[  804.198128]  ? sort_range+0x30/0x30
[  804.201766]  kthread+0x35a/0x440
[  804.205143]  ? kthread_stop+0x8f0/0x8f0
[  804.209150]  ret_from_fork+0x3a/0x50
[  804.212905] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  804.212998] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  804.221150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  804.221156] Call Trace:
[  804.221163]  <IRQ>
[  804.221200]  dump_stack+0x244/0x39d
[  804.221217]  ? dump_stack_print_info.cold.1+0x20/0x20
[  804.221248]  warn_alloc.cold.116+0xb7/0x1bd
[  804.227815] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  804.237126]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  804.239693] ksoftirqd/0 cpuset=/ mems_allowed=0
[  804.241844]  ? lock_downgrade+0x900/0x900
[  804.279061]  ? trace_hardirqs_off+0xb8/0x310
[  804.283512]  ? trace_hardirqs_off+0xb8/0x310
[  804.287965]  __alloc_pages_slowpath+0x26fe/0x2e30
[  804.292901]  ? warn_alloc+0x120/0x120
[  804.296740]  ? print_usage_bug+0xc0/0xc0
[  804.300830]  ? warn_alloc+0x120/0x120
[  804.304659]  ? warn_alloc+0x120/0x120
[  804.308490]  ? print_usage_bug+0xc0/0xc0
[  804.312572]  ? kvm_clock_read+0x18/0x30
[  804.316575]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  804.321630]  ? print_usage_bug+0xc0/0xc0
[  804.325723]  ? __lock_acquire+0x62f/0x4c20
[  804.329985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  804.335544]  ? should_fail+0x22d/0xd01
[  804.339447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  804.344750]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  804.349876]  ? __lock_acquire+0x62f/0x4c20
[  804.354145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  804.359284]  ? __lock_acquire+0x62f/0x4c20
[  804.363563]  ? should_fail+0x22d/0xd01
[  804.367466]  ? rcu_irq_exit+0x1a2/0x390
[  804.371474]  ? mark_held_locks+0x130/0x130
[  804.376023]  ? mark_held_locks+0x130/0x130
[  804.380280]  ? mark_held_locks+0xc7/0x130
[  804.384443]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  804.389482]  ? graph_lock+0x270/0x270
[  804.393312]  ? print_usage_bug+0xc0/0xc0
[  804.397405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.402963]  ? check_preemption_disabled+0x48/0x280
[  804.408017]  ? __lock_is_held+0xb5/0x140
[  804.412108]  __alloc_pages_nodemask+0xa7b/0xdd0
[  804.416801]  ? graph_lock+0x270/0x270
[  804.420636]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  804.425698]  ? find_held_lock+0x36/0x1c0
[  804.429810]  ? ____cache_alloc_node+0x1c7/0x1e0
[  804.434509]  ? lock_downgrade+0x900/0x900
[  804.438706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.444293]  cache_grow_begin+0xa5/0x8c0
[  804.448382]  ? do_raw_spin_unlock+0xa7/0x330
[  804.452839]  fallback_alloc+0x204/0x2e0
[  804.456844]  ____cache_alloc_node+0x1c7/0x1e0
[  804.461383]  kmem_cache_alloc_node+0xe3/0x730
[  804.465919]  ? ipv6_get_ifaddr+0x42e/0x620
[  804.470199]  __alloc_skb+0x114/0x770
[  804.474120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  804.479436]  ? netdev_alloc_frag+0x1f0/0x1f0
[  804.483872]  ? lock_downgrade+0x900/0x900
[  804.488059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.493632]  ? refcount_sub_and_test_checked+0x203/0x310
[  804.499149]  ? refcount_dec_if_one+0x180/0x180
[  804.503775]  ? addrconf_rs_timer+0x690/0x690
[  804.508231]  ndisc_alloc_skb+0x144/0x340
[  804.512328]  ndisc_send_rs+0x331/0x6e0
[  804.516251]  addrconf_rs_timer+0x314/0x690
[  804.520534]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.524805]  call_timer_fn+0x26d/0x920
[  804.528736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.532995]  ? process_timeout+0x40/0x40
[  804.537090]  ? mark_held_locks+0xc7/0x130
[  804.541263]  ? _raw_spin_unlock_irq+0x27/0x80
[  804.545781]  ? _raw_spin_unlock_irq+0x27/0x80
[  804.550307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.554567]  ? lockdep_hardirqs_on+0x296/0x5b0
[  804.559186]  ? trace_hardirqs_on+0xbd/0x310
[  804.563533]  ? kasan_check_read+0x11/0x20
[  804.567720]  ? __run_timers+0x7d5/0xc60
[  804.571728]  ? trace_hardirqs_off_caller+0x300/0x300
[  804.576863]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.581129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  804.585392]  __run_timers+0x7e0/0xc60
[  804.589236]  ? timer_fixup_init+0x70/0x70
[  804.593409]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  804.598461]  ? graph_lock+0x270/0x270
[  804.602294]  ? print_usage_bug+0xc0/0xc0
[  804.606384]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  804.611616]  ? find_held_lock+0x36/0x1c0
[  804.615712]  ? graph_lock+0x270/0x270
[  804.619542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.625117]  ? check_preemption_disabled+0x48/0x280
[  804.630185]  ? __lock_is_held+0xb5/0x140
[  804.634281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.639849]  ? check_preemption_disabled+0x48/0x280
[  804.644902]  run_timer_softirq+0x52/0xb0
[  804.648990]  ? rcu_read_lock_sched_held+0x14f/0x180
[  804.654036]  __do_softirq+0x308/0xb7e
[  804.657869]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  804.662388]  ? lock_downgrade+0x900/0x900
[  804.666563]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  804.671703]  ? pvclock_read_flags+0x160/0x160
[  804.676253]  ? lapic_next_event+0x5a/0x90
[  804.680430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.685996]  ? kvm_clock_read+0x18/0x30
[  804.689990]  ? kvm_sched_clock_read+0x9/0x20
[  804.694422]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  804.699987]  ? check_preemption_disabled+0x48/0x280
[  804.705040]  irq_exit+0x17f/0x1c0
[  804.708515]  smp_apic_timer_interrupt+0x1cb/0x760
[  804.713379]  ? smp_reschedule_interrupt+0x109/0x650
[  804.718422]  ? smp_call_function_single_interrupt+0x640/0x640
[  804.724340]  ? interrupt_entry+0xb5/0xc0
[  804.728429]  ? trace_hardirqs_off_caller+0xbb/0x300
[  804.733466]  ? trace_hardirqs_off_caller+0xbb/0x300
[  804.738505]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  804.743374]  ? trace_hardirqs_on_caller+0x310/0x310
[  804.748411]  ? trace_hardirqs_on_caller+0x310/0x310
[  804.753463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  804.758342]  apic_timer_interrupt+0xf/0x20
[  804.762586]  </IRQ>
[  804.764847] RIP: 0010:dump_stack+0x358/0x39d
[  804.769272] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  804.788205] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  804.795946] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  804.803243] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  804.810535] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  804.817832] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  804.825124] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  804.832444]  ? dump_stack+0x34f/0x39d
[  804.836287]  ? dump_stack_print_info.cold.1+0x20/0x20
[  804.841541]  ? mark_held_locks+0x130/0x130
[  804.845797]  ? mark_held_locks+0x130/0x130
[  804.850059]  dump_header+0x27b/0xf72
[  804.853808]  ? pagefault_out_of_memory+0x197/0x197
[  804.858766]  ? mark_held_locks+0x130/0x130
[  804.863042]  ? __lock_acquire+0x62f/0x4c20
[  804.867303]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  804.872090]  ? print_usage_bug+0xc0/0xc0
[  804.876204]  ? graph_lock+0x270/0x270
[  804.880032]  ? graph_lock+0x270/0x270
[  804.883858]  ? print_usage_bug+0xc0/0xc0
[  804.887941]  ? print_usage_bug+0xc0/0xc0
[  804.892031]  ? graph_lock+0x270/0x270
[  804.895855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  804.901431]  ? find_held_lock+0x36/0x1c0
[  804.905535]  ? mark_held_locks+0xc7/0x130
[  804.909716]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  804.914841]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  804.919972]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  804.924575]  ? trace_hardirqs_on+0xbd/0x310
[  804.928913]  ? kasan_check_read+0x11/0x20
[  804.933091]  ? ___ratelimit+0x3b4/0x672
[  804.937083]  ? trace_hardirqs_off_caller+0x300/0x300
[  804.942362]  ? trace_hardirqs_on+0x310/0x310
[  804.946817]  ? lock_downgrade+0x900/0x900
[  804.950996]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  804.956116]  ? ___ratelimit+0x3b9/0x672
[  804.960111]  ? idr_get_free+0xf70/0xf70
[  804.964131]  ? kasan_check_read+0x11/0x20
[  804.968297]  ? do_raw_spin_unlock+0xa7/0x330
[  804.972730]  oom_kill_process.cold.27+0x10/0x903
[  804.977509]  ? graph_lock+0x270/0x270
[  804.981330]  ? _raw_spin_unlock+0x2c/0x50
[  804.985495]  ? oom_badness+0xe6/0xaa0
[  804.989317]  ? oom_evaluate_task+0x540/0x540
[  804.993755]  ? find_held_lock+0x36/0x1c0
[  804.997852]  ? out_of_memory+0x96f/0x1430
[  805.002019]  ? lock_downgrade+0x900/0x900
[  805.006191]  ? check_preemption_disabled+0x48/0x280
[  805.011244]  ? kasan_check_read+0x11/0x20
[  805.015416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  805.020720]  ? rcu_read_unlock_special+0x370/0x370
[  805.025675]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  805.030735]  ? oom_evaluate_task+0x302/0x540
[  805.035167]  out_of_memory+0xa7f/0x1430
[  805.039185]  ? oom_killer_disable+0x3a0/0x3a0
[  805.043736]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  805.048696]  ? __ww_mutex_check_waiters+0x160/0x160
[  805.053753]  __alloc_pages_slowpath+0x236a/0x2e30
[  805.058654]  ? warn_alloc+0x120/0x120
[  805.062475]  ? mark_held_locks+0x130/0x130
[  805.066741]  ? find_get_entry+0xaae/0x1120
[  805.071003]  ? filemap_map_pages+0x1a20/0x1a20
[  805.076141]  ? graph_lock+0x270/0x270
[  805.079974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  805.085531]  ? check_preemption_disabled+0x48/0x280
[  805.090577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  805.096141]  ? should_fail+0x22d/0xd01
[  805.100071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  805.105211]  ? graph_lock+0x270/0x270
[  805.109063]  ? __lock_is_held+0xb5/0x140
[  805.113158]  ? mark_held_locks+0x130/0x130
[  805.117429]  ? lock_release+0xa10/0xa10
[  805.121424]  ? perf_trace_sched_process_exec+0x860/0x860
[  805.126896]  ? xa_load+0x2ba/0x460
[  805.130456]  ? lock_downgrade+0x900/0x900
[  805.134625]  ? __might_sleep+0x95/0x190
[  805.138626]  __alloc_pages_nodemask+0xa7b/0xdd0
[  805.143321]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  805.148358]  ? __page_cache_alloc+0x177/0x570
[  805.152871]  ? xa_load+0x2e1/0x460
[  805.156429]  ? xa_clear_mark+0x40/0x40
[  805.160346]  ? graph_lock+0x270/0x270
[  805.164182]  ? graph_lock+0x270/0x270
[  805.167997]  ? graph_lock+0x270/0x270
[  805.171811]  ? __do_page_cache_readahead+0x663/0x810
[  805.176940]  ? find_held_lock+0x36/0x1c0
[  805.181026]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  805.186596]  alloc_pages_current+0x173/0x350
[  805.191036]  __page_cache_alloc+0x3ce/0x570
[  805.195383]  ? kasan_check_read+0x11/0x20
[  805.199553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  805.204855]  ? generic_perform_write+0x6a0/0x6a0
[  805.209634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  805.215201]  ? check_preemption_disabled+0x48/0x280
[  805.220246]  filemap_fault+0x1595/0x25f0
[  805.224345]  ? __lock_page_or_retry+0xa00/0xa00
[  805.229037]  ? mark_held_locks+0x130/0x130
[  805.233302]  ? filemap_map_pages+0xd6b/0x1a20
[  805.237818]  ? lock_downgrade+0x900/0x900
[  805.241982]  ? check_preemption_disabled+0x48/0x280
[  805.247111]  ? kasan_check_read+0x11/0x20
[  805.251275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  805.256579]  ? rcu_read_unlock_special+0x370/0x370
[  805.261545]  ? filemap_map_pages+0xd92/0x1a20
[  805.266075]  ? find_get_entries_tag+0x1400/0x1400
[  805.271027]  ? debug_object_destroy+0x2b0/0x2b0
[  805.275722]  ? lock_pi_update_atomic+0x150/0x150
[  805.280497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  805.286071]  ? lock_acquire+0x1ed/0x520
[  805.290066]  ? ext4_filemap_fault+0x7a/0xad
[  805.294414]  ? lock_release+0xa10/0xa10
[  805.298404]  ? perf_trace_sched_process_exec+0x860/0x860
[  805.303884]  ? print_usage_bug+0xc0/0xc0
[  805.307967]  ? print_usage_bug+0xc0/0xc0
[  805.312062]  ? down_read+0x8d/0x120
[  805.315709]  ? ext4_filemap_fault+0x7a/0xad
[  805.320054]  ? __down_interruptible+0x700/0x700
[  805.324753]  ext4_filemap_fault+0x82/0xad
[  805.328926]  __do_fault+0x100/0x6b0
[  805.332569]  ? do_futex+0x1df/0x26d0
[  805.336305]  ? pmd_devmap_trans_unstable+0x220/0x220
[  805.341433]  ? mark_held_locks+0x130/0x130
[  805.345692]  ? mark_held_locks+0x130/0x130
[  805.349958]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  805.355521]  __handle_mm_fault+0x3ea0/0x5be0
[  805.359948]  ? perf_trace_lock+0x7a0/0x7a0
[  805.364224]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  805.369109]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  805.373747]  ? graph_lock+0x270/0x270
[  805.377571]  ? graph_lock+0x270/0x270
[  805.381388]  ? __x64_sys_futex+0x53e/0x6a0
[  805.385645]  ? find_held_lock+0x36/0x1c0
[  805.389736]  ? handle_mm_fault+0x42a/0xc70
[  805.393993]  ? lock_downgrade+0x900/0x900
[  805.398179]  ? check_preemption_disabled+0x48/0x280
[  805.403237]  ? kasan_check_read+0x11/0x20
[  805.407421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  805.412722]  ? rcu_read_unlock_special+0x370/0x370
[  805.417674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  805.423256]  ? check_preemption_disabled+0x48/0x280
[  805.428304]  handle_mm_fault+0x54f/0xc70
[  805.432387]  ? __handle_mm_fault+0x5be0/0x5be0
[  805.437006]  ? find_vma+0x34/0x190
[  805.440563]  __do_page_fault+0x5d6/0xe40
[  805.444666]  ? trace_hardirqs_off+0xb8/0x310
[  805.449105]  do_page_fault+0xed/0x7d1
[  805.452923]  ? vmalloc_sync_all+0x30/0x30
[  805.457083]  ? error_entry+0x70/0xd0
[  805.460808]  ? trace_hardirqs_off_caller+0xbb/0x300
[  805.465837]  ? trace_hardirqs_on_caller+0xc0/0x310
[  805.470785]  ? syscall_return_slowpath+0x5e0/0x5e0
[  805.475729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  805.480595]  ? trace_hardirqs_on_caller+0x310/0x310
[  805.485642]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  805.491120]  ? prepare_exit_to_usermode+0x291/0x3b0
[  805.496165]  ? page_fault+0x8/0x30
[  805.499754]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  805.504642]  ? page_fault+0x8/0x30
[  805.508214]  page_fault+0x1e/0x30
[  805.511736] RIP: 0033:0x45ddf3
[  805.514953] Code: Bad RIP value.
[  805.518325] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  805.523705] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  805.531003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  805.538308] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  805.545599] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  805.552890] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  805.560221] warn_alloc_show_mem: 1 callbacks suppressed
[  805.560235] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  805.560237] Mem-Info:
[  805.560269] active_anon:129018 inactive_anon:195 isolated_anon:0
[  805.560269]  active_file:12 inactive_file:15 isolated_file:0
[  805.560269]  unevictable:1 dirty:0 writeback:0 unstable:0
[  805.560269]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  805.560269]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  805.560269]  free:13741 free_pcp:161 free_cma:0
[  805.565642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  805.573734] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  805.576148] Call Trace:
[  805.609211] 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
[  805.618601]  dump_stack+0x244/0x39d
[  805.646193] lowmem_reserve[]: 0 2818 6321 6321
[  805.648804]  ? dump_stack_print_info.cold.1+0x20/0x20
[  805.674893] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  805.678553]  warn_alloc.cold.116+0xb7/0x1bd
[  805.683105] lowmem_reserve[]: 0 0 3503 3503
[  805.688315]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  805.715717] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  805.720069]  ? lock_downgrade+0x900/0x900
[  805.724362] lowmem_reserve[]: 0 0 0 0
[  805.729235]  ? trace_hardirqs_off+0xb8/0x310
[  805.758112] 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
[  805.762303]  ? trace_hardirqs_off+0xb8/0x310
[  805.766081] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  805.770508]  __alloc_pages_slowpath+0x26fe/0x2e30
[  805.784016] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  805.788464]  ? warn_alloc+0x120/0x120
[  805.802831] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  805.807687]  ? print_usage_bug+0xc0/0xc0
[  805.822941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  805.822953] 296 total pagecache pages
[  805.826778]  ? warn_alloc+0x120/0x120
[  805.835604] 0 pages in swap cache
[  805.839694]  ? warn_alloc+0x120/0x120
[  805.848272] Swap cache stats: add 0, delete 0, find 0/0
[  805.852091]  ? print_usage_bug+0xc0/0xc0
[  805.855862] Free swap  = 0kB
[  805.859338]  ? print_usage_bug+0xc0/0xc0
[  805.863110] Total swap = 0kB
[  805.868488]  ? __lock_acquire+0x62f/0x4c20
[  805.872528] 1965979 pages RAM
[  805.875561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  805.879595] 0 pages HighMem/MovableOnly
[  805.882621]  ? should_fail+0x22d/0xd01
[  805.886834] 342854 pages reserved
[  805.889946]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  805.895455] 0 pages cma reserved
[  805.895547] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  805.899448]  ? __lock_acquire+0x62f/0x4c20
[  805.899466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  805.899477]  ? __lock_acquire+0x62f/0x4c20
[  805.899489]  ? should_fail+0x22d/0xd01
[  805.899505]  ? find_held_lock+0x36/0x1c0
[  805.903455] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  805.906850]  ? mark_held_locks+0x130/0x130
[  805.911929] syz-fuzzer cpuset=/ mems_allowed=0
[  805.915311]  ? mark_held_locks+0x130/0x130
[  805.966583]  ? graph_lock+0x270/0x270
[  805.970402]  ? graph_lock+0x270/0x270
[  805.974228]  ? print_usage_bug+0xc0/0xc0
[  805.978301]  ? do_raw_spin_unlock+0xa7/0x330
[  805.982727]  ? graph_lock+0x270/0x270
[  805.986537]  ? print_usage_bug+0xc0/0xc0
[  805.990609]  ? wq_watchdog_touch+0x9c/0xfe
[  805.994858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.000417]  ? check_preemption_disabled+0x48/0x280
[  806.005466]  ? __lock_is_held+0xb5/0x140
[  806.009546]  __alloc_pages_nodemask+0xa7b/0xdd0
[  806.014237]  ? graph_lock+0x270/0x270
[  806.018052]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  806.023100]  ? find_held_lock+0x36/0x1c0
[  806.027201]  ? ____cache_alloc_node+0x1c7/0x1e0
[  806.031893]  ? lock_downgrade+0x900/0x900
[  806.036069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.041635]  cache_grow_begin+0xa5/0x8c0
[  806.045751]  ? do_raw_spin_unlock+0xa7/0x330
[  806.050200]  fallback_alloc+0x204/0x2e0
[  806.054212]  ____cache_alloc_node+0x1c7/0x1e0
[  806.058730]  kmem_cache_alloc_node+0xe3/0x730
[  806.063241]  ? ipv6_get_ifaddr+0x42e/0x620
[  806.067500]  __alloc_skb+0x114/0x770
[  806.071231]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  806.076556]  ? netdev_alloc_frag+0x1f0/0x1f0
[  806.080984]  ? lock_downgrade+0x900/0x900
[  806.085158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.090745]  ? refcount_sub_and_test_checked+0x203/0x310
[  806.096230]  ? refcount_dec_if_one+0x180/0x180
[  806.100827]  ? addrconf_rs_timer+0x690/0x690
[  806.105264]  ndisc_alloc_skb+0x144/0x340
[  806.109344]  ndisc_send_rs+0x331/0x6e0
[  806.113254]  addrconf_rs_timer+0x314/0x690
[  806.117512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.121790]  call_timer_fn+0x26d/0x920
[  806.125693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.129943]  ? process_timeout+0x40/0x40
[  806.134023]  ? __run_timers+0x7d5/0xc60
[  806.138020]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.142529]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.147037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.151291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  806.155892]  ? trace_hardirqs_on+0xbd/0x310
[  806.160228]  ? kasan_check_read+0x11/0x20
[  806.164387]  ? __run_timers+0x7d5/0xc60
[  806.168375]  ? trace_hardirqs_off_caller+0x300/0x300
[  806.173517]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.177775]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.182024]  __run_timers+0x7e0/0xc60
[  806.185850]  ? timer_fixup_init+0x70/0x70
[  806.190018]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.194529]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.199037]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  806.203649]  ? trace_hardirqs_on+0xbd/0x310
[  806.207983]  ? kasan_check_read+0x11/0x20
[  806.212144]  ? finish_task_switch+0x1f4/0x920
[  806.216667]  ? trace_hardirqs_off_caller+0x300/0x300
[  806.221785]  ? compat_start_thread+0x80/0x80
[  806.226248]  ? pvclock_read_flags+0x160/0x160
[  806.230763]  ? __switch_to_asm+0x34/0x70
[  806.234844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.240402]  ? check_preemption_disabled+0x48/0x280
[  806.245447]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  806.251007]  ? rcu_pm_notify+0xc0/0xc0
[  806.254910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.260468]  ? check_preemption_disabled+0x48/0x280
[  806.265511]  run_timer_softirq+0x52/0xb0
[  806.269583]  ? rcu_read_lock_sched_held+0x14f/0x180
[  806.274616]  __do_softirq+0x308/0xb7e
[  806.278438]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  806.283227]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  806.288358]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  806.293144]  ? trace_hardirqs_off+0xb8/0x310
[  806.297581]  ? smpboot_thread_fn+0x68b/0xa00
[  806.302004]  ? trace_hardirqs_on+0x310/0x310
[  806.306433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  806.311991]  ? check_preemption_disabled+0x48/0x280
[  806.317025]  ? takeover_tasklets+0xa90/0xa90
[  806.321450]  run_ksoftirqd+0x5e/0x100
[  806.325265]  smpboot_thread_fn+0x68b/0xa00
[  806.329520]  ? sort_range+0x30/0x30
[  806.333165]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  806.338316]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  806.343873]  ? __kthread_parkme+0xfb/0x1a0
[  806.348131]  ? sort_range+0x30/0x30
[  806.351771]  kthread+0x35a/0x440
[  806.355157]  ? kthread_stop+0x8f0/0x8f0
[  806.359181]  ret_from_fork+0x3a/0x50
[  806.362938] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  806.363031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  806.371193] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  806.371200] Call Trace:
[  806.371207]  <IRQ>
[  806.371236]  dump_stack+0x244/0x39d
[  806.371252]  ? dump_stack_print_info.cold.1+0x20/0x20
[  806.371279]  warn_alloc.cold.116+0xb7/0x1bd
[  806.371298]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  806.377872] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  806.387187]  ? lock_downgrade+0x900/0x900
[  806.389753] ksoftirqd/0 cpuset=/ mems_allowed=0
[  806.391912]  ? trace_hardirqs_off+0xb8/0x310
[  806.433438]  ? trace_hardirqs_off+0xb8/0x310
[  806.437882]  __alloc_pages_slowpath+0x26fe/0x2e30
[  806.442785]  ? warn_alloc+0x120/0x120
[  806.446607]  ? print_usage_bug+0xc0/0xc0
[  806.450697]  ? warn_alloc+0x120/0x120
[  806.454517]  ? warn_alloc+0x120/0x120
[  806.458357]  ? print_usage_bug+0xc0/0xc0
[  806.462441]  ? print_usage_bug+0xc0/0xc0
[  806.466530]  ? __lock_acquire+0x62f/0x4c20
[  806.470795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  806.476359]  ? should_fail+0x22d/0xd01
[  806.480279]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  806.485412]  ? __lock_acquire+0x62f/0x4c20
[  806.489682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  806.494820]  ? __lock_acquire+0x62f/0x4c20
[  806.499078]  ? should_fail+0x22d/0xd01
[  806.502992]  ? find_held_lock+0x36/0x1c0
[  806.507088]  ? mark_held_locks+0x130/0x130
[  806.511357]  ? mark_held_locks+0x130/0x130
[  806.515613]  ? graph_lock+0x270/0x270
[  806.519465]  ? graph_lock+0x270/0x270
[  806.523306]  ? print_usage_bug+0xc0/0xc0
[  806.527428]  ? do_raw_spin_unlock+0xa7/0x330
[  806.531862]  ? graph_lock+0x270/0x270
[  806.535689]  ? print_usage_bug+0xc0/0xc0
[  806.539781]  ? wq_watchdog_touch+0x9c/0xfe
[  806.544044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.549604]  ? check_preemption_disabled+0x48/0x280
[  806.554656]  ? __lock_is_held+0xb5/0x140
[  806.558762]  __alloc_pages_nodemask+0xa7b/0xdd0
[  806.563459]  ? graph_lock+0x270/0x270
[  806.567289]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  806.572344]  ? find_held_lock+0x36/0x1c0
[  806.576437]  ? ____cache_alloc_node+0x1c7/0x1e0
[  806.581152]  ? lock_downgrade+0x900/0x900
[  806.585340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.590912]  cache_grow_begin+0xa5/0x8c0
[  806.595001]  ? do_raw_spin_unlock+0xa7/0x330
[  806.599442]  fallback_alloc+0x204/0x2e0
[  806.603447]  ____cache_alloc_node+0x1c7/0x1e0
[  806.607972]  kmem_cache_alloc_node+0xe3/0x730
[  806.612493]  ? ipv6_get_ifaddr+0x42e/0x620
[  806.616769]  __alloc_skb+0x114/0x770
[  806.620500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  806.625826]  ? netdev_alloc_frag+0x1f0/0x1f0
[  806.630264]  ? lock_downgrade+0x900/0x900
[  806.634469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.640059]  ? refcount_sub_and_test_checked+0x203/0x310
[  806.645539]  ? refcount_dec_if_one+0x180/0x180
[  806.650150]  ? addrconf_rs_timer+0x690/0x690
[  806.654618]  ndisc_alloc_skb+0x144/0x340
[  806.658713]  ndisc_send_rs+0x331/0x6e0
[  806.662630]  addrconf_rs_timer+0x314/0x690
[  806.666896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.671162]  call_timer_fn+0x26d/0x920
[  806.675083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.679342]  ? process_timeout+0x40/0x40
[  806.683434]  ? mark_held_locks+0xc7/0x130
[  806.687610]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.692135]  ? _raw_spin_unlock_irq+0x27/0x80
[  806.696654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.700919]  ? lockdep_hardirqs_on+0x296/0x5b0
[  806.705525]  ? trace_hardirqs_on+0xbd/0x310
[  806.709868]  ? kasan_check_read+0x11/0x20
[  806.714040]  ? __run_timers+0x7d5/0xc60
[  806.718040]  ? trace_hardirqs_off_caller+0x300/0x300
[  806.723184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.727453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  806.731725]  __run_timers+0x7e0/0xc60
[  806.735576]  ? timer_fixup_init+0x70/0x70
[  806.739757]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  806.744800]  ? graph_lock+0x270/0x270
[  806.748634]  ? print_usage_bug+0xc0/0xc0
[  806.752725]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  806.757949]  ? find_held_lock+0x36/0x1c0
[  806.762044]  ? graph_lock+0x270/0x270
[  806.765879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.771445]  ? check_preemption_disabled+0x48/0x280
[  806.776503]  ? __lock_is_held+0xb5/0x140
[  806.780592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.786156]  ? check_preemption_disabled+0x48/0x280
[  806.791218]  run_timer_softirq+0x52/0xb0
[  806.795310]  ? rcu_read_lock_sched_held+0x14f/0x180
[  806.800358]  __do_softirq+0x308/0xb7e
[  806.804198]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  806.808735]  ? lock_downgrade+0x900/0x900
[  806.812910]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  806.818054]  ? pvclock_read_flags+0x160/0x160
[  806.822600]  ? lapic_next_event+0x5a/0x90
[  806.826773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  806.832345]  ? kvm_clock_read+0x18/0x30
[  806.836343]  ? kvm_sched_clock_read+0x9/0x20
[  806.840777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  806.846343]  ? check_preemption_disabled+0x48/0x280
[  806.851397]  irq_exit+0x17f/0x1c0
[  806.854877]  smp_apic_timer_interrupt+0x1cb/0x760
[  806.859745]  ? smp_reschedule_interrupt+0x109/0x650
[  806.864789]  ? smp_call_function_single_interrupt+0x640/0x640
[  806.870718]  ? interrupt_entry+0xb5/0xc0
[  806.874818]  ? trace_hardirqs_off_caller+0xbb/0x300
[  806.879876]  ? trace_hardirqs_off_caller+0xbb/0x300
[  806.884923]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  806.889803]  ? trace_hardirqs_on_caller+0x310/0x310
[  806.894852]  ? trace_hardirqs_on_caller+0x310/0x310
[  806.899913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  806.904794]  apic_timer_interrupt+0xf/0x20
[  806.909043]  </IRQ>
[  806.911305] RIP: 0010:dump_stack+0x358/0x39d
[  806.915734] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  806.934661] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  806.942597] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  806.949894] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  806.957206] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  806.964517] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  806.971813] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  806.979139]  ? dump_stack+0x34f/0x39d
[  806.982994]  ? dump_stack_print_info.cold.1+0x20/0x20
[  806.988233]  ? mark_held_locks+0x130/0x130
[  806.992502]  ? mark_held_locks+0x130/0x130
[  806.996774]  dump_header+0x27b/0xf72
[  807.000528]  ? pagefault_out_of_memory+0x197/0x197
[  807.005498]  ? mark_held_locks+0x130/0x130
[  807.009772]  ? __lock_acquire+0x62f/0x4c20
[  807.014031]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  807.018827]  ? print_usage_bug+0xc0/0xc0
[  807.022921]  ? graph_lock+0x270/0x270
[  807.026742]  ? graph_lock+0x270/0x270
[  807.030604]  ? print_usage_bug+0xc0/0xc0
[  807.034694]  ? print_usage_bug+0xc0/0xc0
[  807.038793]  ? graph_lock+0x270/0x270
[  807.042624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  807.048205]  ? find_held_lock+0x36/0x1c0
[  807.052303]  ? mark_held_locks+0xc7/0x130
[  807.056485]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  807.061634]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  807.066766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  807.071378]  ? trace_hardirqs_on+0xbd/0x310
[  807.076260]  ? kasan_check_read+0x11/0x20
[  807.080438]  ? ___ratelimit+0x3b4/0x672
[  807.084437]  ? trace_hardirqs_off_caller+0x300/0x300
[  807.089574]  ? trace_hardirqs_on+0x310/0x310
[  807.094014]  ? lock_downgrade+0x900/0x900
[  807.098210]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  807.103344]  ? ___ratelimit+0x3b9/0x672
[  807.107351]  ? idr_get_free+0xf70/0xf70
[  807.111338]  ? kasan_check_read+0x11/0x20
[  807.115516]  ? do_raw_spin_unlock+0xa7/0x330
[  807.119961]  oom_kill_process.cold.27+0x10/0x903
[  807.124752]  ? graph_lock+0x270/0x270
[  807.128581]  ? _raw_spin_unlock+0x2c/0x50
[  807.132750]  ? oom_badness+0xe6/0xaa0
[  807.136584]  ? oom_evaluate_task+0x540/0x540
[  807.141023]  ? find_held_lock+0x36/0x1c0
[  807.145112]  ? out_of_memory+0x96f/0x1430
[  807.149294]  ? lock_downgrade+0x900/0x900
[  807.153460]  ? check_preemption_disabled+0x48/0x280
[  807.158511]  ? kasan_check_read+0x11/0x20
[  807.162681]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  807.167990]  ? rcu_read_unlock_special+0x370/0x370
[  807.172952]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  807.178024]  ? oom_evaluate_task+0x302/0x540
[  807.182469]  out_of_memory+0xa7f/0x1430
[  807.186478]  ? oom_killer_disable+0x3a0/0x3a0
[  807.190997]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  807.195960]  ? __ww_mutex_check_waiters+0x160/0x160
[  807.201021]  __alloc_pages_slowpath+0x236a/0x2e30
[  807.205930]  ? warn_alloc+0x120/0x120
[  807.209758]  ? mark_held_locks+0x130/0x130
[  807.214026]  ? find_get_entry+0xaae/0x1120
[  807.218297]  ? filemap_map_pages+0x1a20/0x1a20
[  807.222910]  ? graph_lock+0x270/0x270
[  807.226742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  807.232313]  ? check_preemption_disabled+0x48/0x280
[  807.237360]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  807.242930]  ? should_fail+0x22d/0xd01
[  807.246847]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  807.251984]  ? graph_lock+0x270/0x270
[  807.255838]  ? __lock_is_held+0xb5/0x140
[  807.259933]  ? mark_held_locks+0x130/0x130
[  807.264208]  ? lock_release+0xa10/0xa10
[  807.268218]  ? perf_trace_sched_process_exec+0x860/0x860
[  807.273712]  ? xa_load+0x2ba/0x460
[  807.277280]  ? lock_downgrade+0x900/0x900
[  807.281446]  ? __might_sleep+0x95/0x190
[  807.285442]  __alloc_pages_nodemask+0xa7b/0xdd0
[  807.290143]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  807.295208]  ? __page_cache_alloc+0x177/0x570
[  807.299730]  ? xa_load+0x2e1/0x460
[  807.303299]  ? xa_clear_mark+0x40/0x40
[  807.307224]  ? graph_lock+0x270/0x270
[  807.311062]  ? graph_lock+0x270/0x270
[  807.314885]  ? graph_lock+0x270/0x270
[  807.318710]  ? __do_page_cache_readahead+0x663/0x810
[  807.323843]  ? find_held_lock+0x36/0x1c0
[  807.327935]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  807.333511]  alloc_pages_current+0x173/0x350
[  807.337951]  __page_cache_alloc+0x3ce/0x570
[  807.342308]  ? kasan_check_read+0x11/0x20
[  807.346488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  807.351797]  ? generic_perform_write+0x6a0/0x6a0
[  807.356586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  807.362152]  ? check_preemption_disabled+0x48/0x280
[  807.367220]  filemap_fault+0x1595/0x25f0
[  807.371326]  ? __lock_page_or_retry+0xa00/0xa00
[  807.376028]  ? mark_held_locks+0x130/0x130
[  807.380304]  ? filemap_map_pages+0xd6b/0x1a20
[  807.384828]  ? lock_downgrade+0x900/0x900
[  807.388997]  ? check_preemption_disabled+0x48/0x280
[  807.394048]  ? kasan_check_read+0x11/0x20
[  807.398232]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  807.403544]  ? rcu_read_unlock_special+0x370/0x370
[  807.408518]  ? filemap_map_pages+0xd92/0x1a20
[  807.413064]  ? find_get_entries_tag+0x1400/0x1400
[  807.417956]  ? debug_object_destroy+0x2b0/0x2b0
[  807.422652]  ? lock_pi_update_atomic+0x150/0x150
[  807.427437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  807.433013]  ? lock_acquire+0x1ed/0x520
[  807.437010]  ? ext4_filemap_fault+0x7a/0xad
[  807.441359]  ? lock_release+0xa10/0xa10
[  807.445352]  ? perf_trace_sched_process_exec+0x860/0x860
[  807.450832]  ? print_usage_bug+0xc0/0xc0
[  807.454916]  ? print_usage_bug+0xc0/0xc0
[  807.459019]  ? down_read+0x8d/0x120
[  807.462661]  ? ext4_filemap_fault+0x7a/0xad
[  807.467005]  ? __down_interruptible+0x700/0x700
[  807.471710]  ext4_filemap_fault+0x82/0xad
[  807.476493]  __do_fault+0x100/0x6b0
[  807.480132]  ? do_futex+0x1df/0x26d0
[  807.483870]  ? pmd_devmap_trans_unstable+0x220/0x220
[  807.489000]  ? mark_held_locks+0x130/0x130
[  807.493273]  ? mark_held_locks+0x130/0x130
[  807.497538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  807.503106]  __handle_mm_fault+0x3ea0/0x5be0
[  807.507533]  ? perf_trace_lock+0x7a0/0x7a0
[  807.511794]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  807.516669]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  807.521293]  ? graph_lock+0x270/0x270
[  807.525160]  ? graph_lock+0x270/0x270
[  807.528986]  ? __x64_sys_futex+0x53e/0x6a0
[  807.533266]  ? find_held_lock+0x36/0x1c0
[  807.537360]  ? handle_mm_fault+0x42a/0xc70
[  807.541631]  ? lock_downgrade+0x900/0x900
[  807.545799]  ? check_preemption_disabled+0x48/0x280
[  807.550853]  ? kasan_check_read+0x11/0x20
[  807.555031]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  807.560336]  ? rcu_read_unlock_special+0x370/0x370
[  807.565296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  807.570869]  ? check_preemption_disabled+0x48/0x280
[  807.575925]  handle_mm_fault+0x54f/0xc70
[  807.580024]  ? __handle_mm_fault+0x5be0/0x5be0
[  807.584644]  ? find_vma+0x34/0x190
[  807.588230]  __do_page_fault+0x5d6/0xe40
[  807.592344]  ? trace_hardirqs_off+0xb8/0x310
[  807.596791]  do_page_fault+0xed/0x7d1
[  807.600642]  ? vmalloc_sync_all+0x30/0x30
[  807.604811]  ? error_entry+0x70/0xd0
[  807.608560]  ? trace_hardirqs_off_caller+0xbb/0x300
[  807.613600]  ? trace_hardirqs_on_caller+0xc0/0x310
[  807.618555]  ? syscall_return_slowpath+0x5e0/0x5e0
[  807.623510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  807.628393]  ? trace_hardirqs_on_caller+0x310/0x310
[  807.633443]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  807.638932]  ? prepare_exit_to_usermode+0x291/0x3b0
[  807.643974]  ? page_fault+0x8/0x30
[  807.647546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  807.652421]  ? page_fault+0x8/0x30
[  807.656071]  page_fault+0x1e/0x30
[  807.659540] RIP: 0033:0x45ddf3
[  807.662759] Code: Bad RIP value.
[  807.666133] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  807.671520] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  807.678809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  807.686113] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  807.693410] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  807.700709] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  807.708031] warn_alloc_show_mem: 1 callbacks suppressed
[  807.708045] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  807.708046] Mem-Info:
[  807.708078] active_anon:129018 inactive_anon:195 isolated_anon:0
[  807.708078]  active_file:12 inactive_file:15 isolated_file:0
[  807.708078]  unevictable:1 dirty:0 writeback:0 unstable:0
[  807.708078]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  807.708078]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  807.708078]  free:13741 free_pcp:161 free_cma:0
[  807.713461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  807.721569] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  807.723979] Call Trace:
[  807.757039] 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
[  807.766425]  dump_stack+0x244/0x39d
[  807.794007] lowmem_reserve[]: 0 2818 6321 6321
[  807.796617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  807.822714] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  807.826370]  warn_alloc.cold.116+0xb7/0x1bd
[  807.830917] lowmem_reserve[]: 0 0 3503 3503
[  807.836125]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  807.863533] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  807.867882]  ? lock_downgrade+0x900/0x900
[  807.872167] lowmem_reserve[]: 0 0 0 0
[  807.877040]  ? trace_hardirqs_off+0xb8/0x310
[  807.905913] 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
[  807.910099]  ? trace_hardirqs_off+0xb8/0x310
[  807.913878] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  807.918309]  __alloc_pages_slowpath+0x26fe/0x2e30
[  807.931818] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  807.936291]  ? warn_alloc+0x120/0x120
[  807.950671] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  807.955529]  ? print_usage_bug+0xc0/0xc0
[  807.970783] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  807.974601]  ? warn_alloc+0x120/0x120
[  807.983422] 296 total pagecache pages
[  807.987510]  ? warn_alloc+0x120/0x120
[  807.996071] 0 pages in swap cache
[  807.999896]  ? print_usage_bug+0xc0/0xc0
[  808.003666] Swap cache stats: add 0, delete 0, find 0/0
[  808.003677] Free swap  = 0kB
[  808.007497]  ? print_usage_bug+0xc0/0xc0
[  808.010923] Total swap = 0kB
[  808.015025]  ? __lock_acquire+0x62f/0x4c20
[  808.020372] 1965979 pages RAM
[  808.023417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  808.027443] 0 pages HighMem/MovableOnly
[  808.027454] 342854 pages reserved
[  808.030487]  ? should_fail+0x22d/0xd01
[  808.034710] 0 pages cma reserved
[  808.037826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  808.043420] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  808.047349]  ? __lock_acquire+0x62f/0x4c20
[  808.050969] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  808.054685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  808.058040] syz-fuzzer cpuset=/ mems_allowed=0
[  808.063171]  ? __lock_acquire+0x62f/0x4c20
[  808.063209]  ? should_fail+0x22d/0xd01
[  808.101993]  ? find_held_lock+0x36/0x1c0
[  808.106104]  ? mark_held_locks+0x130/0x130
[  808.110372]  ? mark_held_locks+0x130/0x130
[  808.114618]  ? graph_lock+0x270/0x270
[  808.118435]  ? graph_lock+0x270/0x270
[  808.122271]  ? print_usage_bug+0xc0/0xc0
[  808.126342]  ? do_raw_spin_unlock+0xa7/0x330
[  808.130779]  ? graph_lock+0x270/0x270
[  808.134588]  ? print_usage_bug+0xc0/0xc0
[  808.138662]  ? wq_watchdog_touch+0x9c/0xfe
[  808.142914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.148481]  ? check_preemption_disabled+0x48/0x280
[  808.153526]  ? __lock_is_held+0xb5/0x140
[  808.157608]  __alloc_pages_nodemask+0xa7b/0xdd0
[  808.162295]  ? graph_lock+0x270/0x270
[  808.166115]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  808.171162]  ? find_held_lock+0x36/0x1c0
[  808.175272]  ? ____cache_alloc_node+0x1c7/0x1e0
[  808.179961]  ? lock_downgrade+0x900/0x900
[  808.184133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.189697]  cache_grow_begin+0xa5/0x8c0
[  808.193776]  ? do_raw_spin_unlock+0xa7/0x330
[  808.198222]  fallback_alloc+0x204/0x2e0
[  808.202241]  ____cache_alloc_node+0x1c7/0x1e0
[  808.206768]  kmem_cache_alloc_node+0xe3/0x730
[  808.211291]  ? ipv6_get_ifaddr+0x42e/0x620
[  808.215564]  __alloc_skb+0x114/0x770
[  808.219288]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  808.224589]  ? netdev_alloc_frag+0x1f0/0x1f0
[  808.229012]  ? lock_downgrade+0x900/0x900
[  808.233193]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.238767]  ? refcount_sub_and_test_checked+0x203/0x310
[  808.244262]  ? refcount_dec_if_one+0x180/0x180
[  808.248861]  ? addrconf_rs_timer+0x690/0x690
[  808.253300]  ndisc_alloc_skb+0x144/0x340
[  808.257383]  ndisc_send_rs+0x331/0x6e0
[  808.261304]  addrconf_rs_timer+0x314/0x690
[  808.265560]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.269819]  call_timer_fn+0x26d/0x920
[  808.273980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.278233]  ? process_timeout+0x40/0x40
[  808.282311]  ? __run_timers+0x7d5/0xc60
[  808.286300]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.290804]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.295324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.299592]  ? lockdep_hardirqs_on+0x296/0x5b0
[  808.304196]  ? trace_hardirqs_on+0xbd/0x310
[  808.308531]  ? kasan_check_read+0x11/0x20
[  808.312695]  ? __run_timers+0x7d5/0xc60
[  808.316692]  ? trace_hardirqs_off_caller+0x300/0x300
[  808.321817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.326071]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.330313]  __run_timers+0x7e0/0xc60
[  808.334150]  ? timer_fixup_init+0x70/0x70
[  808.338329]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.342838]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.347347]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  808.351946]  ? trace_hardirqs_on+0xbd/0x310
[  808.356281]  ? kasan_check_read+0x11/0x20
[  808.360438]  ? finish_task_switch+0x1f4/0x920
[  808.364947]  ? trace_hardirqs_off_caller+0x300/0x300
[  808.370063]  ? compat_start_thread+0x80/0x80
[  808.374513]  ? pvclock_read_flags+0x160/0x160
[  808.379035]  ? __switch_to_asm+0x34/0x70
[  808.383112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.388681]  ? check_preemption_disabled+0x48/0x280
[  808.393718]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  808.399275]  ? rcu_pm_notify+0xc0/0xc0
[  808.403190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.408742]  ? check_preemption_disabled+0x48/0x280
[  808.413779]  run_timer_softirq+0x52/0xb0
[  808.417849]  ? rcu_read_lock_sched_held+0x14f/0x180
[  808.422880]  __do_softirq+0x308/0xb7e
[  808.426693]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  808.431470]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  808.436596]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  808.441398]  ? trace_hardirqs_off+0xb8/0x310
[  808.445821]  ? smpboot_thread_fn+0x68b/0xa00
[  808.450241]  ? trace_hardirqs_on+0x310/0x310
[  808.454662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  808.460237]  ? check_preemption_disabled+0x48/0x280
[  808.465314]  ? takeover_tasklets+0xa90/0xa90
[  808.469739]  run_ksoftirqd+0x5e/0x100
[  808.473552]  smpboot_thread_fn+0x68b/0xa00
[  808.477804]  ? sort_range+0x30/0x30
[  808.481442]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  808.486560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  808.492117]  ? __kthread_parkme+0xfb/0x1a0
[  808.496366]  ? sort_range+0x30/0x30
[  808.500002]  kthread+0x35a/0x440
[  808.503380]  ? kthread_stop+0x8f0/0x8f0
[  808.507372]  ret_from_fork+0x3a/0x50
[  808.511111] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  808.511245] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  808.519357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  808.519363] Call Trace:
[  808.519369]  <IRQ>
[  808.519395]  dump_stack+0x244/0x39d
[  808.519413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  808.519438]  warn_alloc.cold.116+0xb7/0x1bd
[  808.526060] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  808.535343]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  808.537908] ksoftirqd/0 cpuset=/ mems_allowed=0
[  808.540063]  ? lock_downgrade+0x900/0x900
[  808.577197]  ? trace_hardirqs_off+0xb8/0x310
[  808.581661]  ? trace_hardirqs_off+0xb8/0x310
[  808.586110]  __alloc_pages_slowpath+0x26fe/0x2e30
[  808.591012]  ? warn_alloc+0x120/0x120
[  808.594843]  ? print_usage_bug+0xc0/0xc0
[  808.598929]  ? warn_alloc+0x120/0x120
[  808.602757]  ? warn_alloc+0x120/0x120
[  808.606580]  ? print_usage_bug+0xc0/0xc0
[  808.610672]  ? kvm_clock_read+0x18/0x30
[  808.614673]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  808.619723]  ? print_usage_bug+0xc0/0xc0
[  808.623822]  ? __lock_acquire+0x62f/0x4c20
[  808.628085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  808.633657]  ? should_fail+0x22d/0xd01
[  808.637578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  808.642712]  ? __lock_acquire+0x62f/0x4c20
[  808.646977]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  808.652116]  ? __lock_acquire+0x62f/0x4c20
[  808.656369]  ? should_fail+0x22d/0xd01
[  808.660294]  ? mark_held_locks+0x130/0x130
[  808.664564]  ? mark_held_locks+0x130/0x130
[  808.668841]  ? graph_lock+0x270/0x270
[  808.672666]  ? print_usage_bug+0xc0/0xc0
[  808.676935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.682499]  ? check_preemption_disabled+0x48/0x280
[  808.687564]  ? __lock_is_held+0xb5/0x140
[  808.691661]  __alloc_pages_nodemask+0xa7b/0xdd0
[  808.696363]  ? graph_lock+0x270/0x270
[  808.700213]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  808.705273]  ? find_held_lock+0x36/0x1c0
[  808.709374]  ? ____cache_alloc_node+0x1c7/0x1e0
[  808.714074]  ? lock_downgrade+0x900/0x900
[  808.718262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.723832]  cache_grow_begin+0xa5/0x8c0
[  808.727953]  ? do_raw_spin_unlock+0xa7/0x330
[  808.732394]  fallback_alloc+0x204/0x2e0
[  808.736410]  ____cache_alloc_node+0x1c7/0x1e0
[  808.740940]  kmem_cache_alloc_node+0xe3/0x730
[  808.745467]  ? ipv6_get_ifaddr+0x42e/0x620
[  808.749741]  __alloc_skb+0x114/0x770
[  808.753477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  808.758785]  ? netdev_alloc_frag+0x1f0/0x1f0
[  808.763235]  ? lock_downgrade+0x900/0x900
[  808.767422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.772993]  ? refcount_sub_and_test_checked+0x203/0x310
[  808.778481]  ? refcount_dec_if_one+0x180/0x180
[  808.783088]  ? addrconf_rs_timer+0x690/0x690
[  808.787536]  ndisc_alloc_skb+0x144/0x340
[  808.791631]  ndisc_send_rs+0x331/0x6e0
[  808.795548]  addrconf_rs_timer+0x314/0x690
[  808.799813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.804081]  call_timer_fn+0x26d/0x920
[  808.807991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.812248]  ? process_timeout+0x40/0x40
[  808.816346]  ? mark_held_locks+0xc7/0x130
[  808.820521]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.825040]  ? _raw_spin_unlock_irq+0x27/0x80
[  808.829556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.833818]  ? lockdep_hardirqs_on+0x296/0x5b0
[  808.838432]  ? trace_hardirqs_on+0xbd/0x310
[  808.842775]  ? kasan_check_read+0x11/0x20
[  808.846944]  ? __run_timers+0x7d5/0xc60
[  808.850943]  ? trace_hardirqs_off_caller+0x300/0x300
[  808.856091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  808.860349]  __run_timers+0x7e0/0xc60
[  808.864192]  ? timer_fixup_init+0x70/0x70
[  808.868367]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  808.873409]  ? graph_lock+0x270/0x270
[  808.877243]  ? print_usage_bug+0xc0/0xc0
[  808.881329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  808.886552]  ? find_held_lock+0x36/0x1c0
[  808.890657]  ? graph_lock+0x270/0x270
[  808.894496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.900059]  ? check_preemption_disabled+0x48/0x280
[  808.905115]  ? __lock_is_held+0xb5/0x140
[  808.909208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.914778]  ? check_preemption_disabled+0x48/0x280
[  808.919826]  run_timer_softirq+0x52/0xb0
[  808.923917]  ? rcu_read_lock_sched_held+0x14f/0x180
[  808.928964]  __do_softirq+0x308/0xb7e
[  808.932800]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  808.937321]  ? lock_downgrade+0x900/0x900
[  808.941499]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  808.946851]  ? pvclock_read_flags+0x160/0x160
[  808.951376]  ? lapic_next_event+0x5a/0x90
[  808.955553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  808.961130]  ? kvm_clock_read+0x18/0x30
[  808.965131]  ? kvm_sched_clock_read+0x9/0x20
[  808.969601]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  808.975167]  ? check_preemption_disabled+0x48/0x280
[  808.980243]  irq_exit+0x17f/0x1c0
[  808.983731]  smp_apic_timer_interrupt+0x1cb/0x760
[  808.988604]  ? smp_reschedule_interrupt+0x109/0x650
[  808.993653]  ? smp_call_function_single_interrupt+0x640/0x640
[  808.999575]  ? interrupt_entry+0xb5/0xc0
[  809.003757]  ? trace_hardirqs_off_caller+0xbb/0x300
[  809.008803]  ? trace_hardirqs_off_caller+0xbb/0x300
[  809.013853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  809.018735]  ? trace_hardirqs_on_caller+0x310/0x310
[  809.023783]  ? trace_hardirqs_on_caller+0x310/0x310
[  809.028848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  809.033737]  apic_timer_interrupt+0xf/0x20
[  809.037990]  </IRQ>
[  809.040264] RIP: 0010:dump_stack+0x358/0x39d
[  809.044696] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  809.063620] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  809.071361] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  809.079164] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  809.086471] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  809.093766] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  809.101060] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  809.108396]  ? dump_stack+0x34f/0x39d
[  809.112248]  ? dump_stack_print_info.cold.1+0x20/0x20
[  809.117474]  ? mark_held_locks+0x130/0x130
[  809.121746]  ? mark_held_locks+0x130/0x130
[  809.126018]  dump_header+0x27b/0xf72
[  809.129777]  ? pagefault_out_of_memory+0x197/0x197
[  809.134757]  ? mark_held_locks+0x130/0x130
[  809.139028]  ? __lock_acquire+0x62f/0x4c20
[  809.143305]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  809.148095]  ? print_usage_bug+0xc0/0xc0
[  809.152192]  ? graph_lock+0x270/0x270
[  809.156010]  ? graph_lock+0x270/0x270
[  809.159832]  ? print_usage_bug+0xc0/0xc0
[  809.163933]  ? print_usage_bug+0xc0/0xc0
[  809.168020]  ? graph_lock+0x270/0x270
[  809.171847]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  809.177438]  ? find_held_lock+0x36/0x1c0
[  809.181539]  ? mark_held_locks+0xc7/0x130
[  809.185730]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  809.190871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  809.196007]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  809.200626]  ? trace_hardirqs_on+0xbd/0x310
[  809.204973]  ? kasan_check_read+0x11/0x20
[  809.209147]  ? ___ratelimit+0x3b4/0x672
[  809.213159]  ? trace_hardirqs_off_caller+0x300/0x300
[  809.218303]  ? trace_hardirqs_on+0x310/0x310
[  809.222747]  ? lock_downgrade+0x900/0x900
[  809.226955]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  809.232104]  ? ___ratelimit+0x3b9/0x672
[  809.236115]  ? idr_get_free+0xf70/0xf70
[  809.240120]  ? kasan_check_read+0x11/0x20
[  809.244292]  ? do_raw_spin_unlock+0xa7/0x330
[  809.248740]  oom_kill_process.cold.27+0x10/0x903
[  809.253526]  ? graph_lock+0x270/0x270
[  809.257355]  ? _raw_spin_unlock+0x2c/0x50
[  809.261524]  ? oom_badness+0xe6/0xaa0
[  809.265353]  ? oom_evaluate_task+0x540/0x540
[  809.269810]  ? find_held_lock+0x36/0x1c0
[  809.273903]  ? out_of_memory+0x96f/0x1430
[  809.278082]  ? lock_downgrade+0x900/0x900
[  809.282253]  ? check_preemption_disabled+0x48/0x280
[  809.287304]  ? kasan_check_read+0x11/0x20
[  809.291478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  809.296786]  ? rcu_read_unlock_special+0x370/0x370
[  809.301749]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  809.306791]  ? oom_evaluate_task+0x302/0x540
[  809.311231]  out_of_memory+0xa7f/0x1430
[  809.315244]  ? oom_killer_disable+0x3a0/0x3a0
[  809.319766]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  809.324726]  ? __ww_mutex_check_waiters+0x160/0x160
[  809.329797]  __alloc_pages_slowpath+0x236a/0x2e30
[  809.334704]  ? warn_alloc+0x120/0x120
[  809.338528]  ? mark_held_locks+0x130/0x130
[  809.342803]  ? find_get_entry+0xaae/0x1120
[  809.347070]  ? filemap_map_pages+0x1a20/0x1a20
[  809.351697]  ? graph_lock+0x270/0x270
[  809.355532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  809.361126]  ? check_preemption_disabled+0x48/0x280
[  809.366208]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  809.371778]  ? should_fail+0x22d/0xd01
[  809.375706]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  809.380845]  ? graph_lock+0x270/0x270
[  809.384703]  ? __lock_is_held+0xb5/0x140
[  809.388802]  ? mark_held_locks+0x130/0x130
[  809.393071]  ? lock_release+0xa10/0xa10
[  809.397076]  ? perf_trace_sched_process_exec+0x860/0x860
[  809.402562]  ? xa_load+0x2ba/0x460
[  809.406132]  ? lock_downgrade+0x900/0x900
[  809.410308]  ? __might_sleep+0x95/0x190
[  809.414305]  __alloc_pages_nodemask+0xa7b/0xdd0
[  809.419002]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  809.424036]  ? __page_cache_alloc+0x177/0x570
[  809.428568]  ? xa_load+0x2e1/0x460
[  809.432126]  ? xa_clear_mark+0x40/0x40
[  809.436033]  ? graph_lock+0x270/0x270
[  809.439859]  ? graph_lock+0x270/0x270
[  809.443674]  ? graph_lock+0x270/0x270
[  809.447499]  ? __do_page_cache_readahead+0x663/0x810
[  809.452641]  ? find_held_lock+0x36/0x1c0
[  809.456742]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  809.462308]  alloc_pages_current+0x173/0x350
[  809.466755]  __page_cache_alloc+0x3ce/0x570
[  809.471100]  ? kasan_check_read+0x11/0x20
[  809.475265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  809.480576]  ? generic_perform_write+0x6a0/0x6a0
[  809.485351]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  809.490906]  ? check_preemption_disabled+0x48/0x280
[  809.495949]  filemap_fault+0x1595/0x25f0
[  809.500048]  ? __lock_page_or_retry+0xa00/0xa00
[  809.504751]  ? mark_held_locks+0x130/0x130
[  809.509015]  ? filemap_map_pages+0xd6b/0x1a20
[  809.513532]  ? lock_downgrade+0x900/0x900
[  809.517705]  ? check_preemption_disabled+0x48/0x280
[  809.522756]  ? kasan_check_read+0x11/0x20
[  809.526925]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  809.532246]  ? rcu_read_unlock_special+0x370/0x370
[  809.537228]  ? filemap_map_pages+0xd92/0x1a20
[  809.541763]  ? find_get_entries_tag+0x1400/0x1400
[  809.546647]  ? debug_object_destroy+0x2b0/0x2b0
[  809.551340]  ? lock_pi_update_atomic+0x150/0x150
[  809.556143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  809.561756]  ? lock_acquire+0x1ed/0x520
[  809.565768]  ? ext4_filemap_fault+0x7a/0xad
[  809.570117]  ? lock_release+0xa10/0xa10
[  809.574114]  ? perf_trace_sched_process_exec+0x860/0x860
[  809.579605]  ? print_usage_bug+0xc0/0xc0
[  809.583704]  ? print_usage_bug+0xc0/0xc0
[  809.587793]  ? down_read+0x8d/0x120
[  809.591437]  ? ext4_filemap_fault+0x7a/0xad
[  809.595791]  ? __down_interruptible+0x700/0x700
[  809.600496]  ext4_filemap_fault+0x82/0xad
[  809.604671]  __do_fault+0x100/0x6b0
[  809.608345]  ? do_futex+0x1df/0x26d0
[  809.612086]  ? pmd_devmap_trans_unstable+0x220/0x220
[  809.617224]  ? mark_held_locks+0x130/0x130
[  809.621487]  ? mark_held_locks+0x130/0x130
[  809.625766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  809.631354]  __handle_mm_fault+0x3ea0/0x5be0
[  809.635788]  ? perf_trace_lock+0x7a0/0x7a0
[  809.640058]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  809.644933]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  809.649548]  ? graph_lock+0x270/0x270
[  809.653363]  ? graph_lock+0x270/0x270
[  809.657188]  ? __x64_sys_futex+0x53e/0x6a0
[  809.661451]  ? find_held_lock+0x36/0x1c0
[  809.665539]  ? handle_mm_fault+0x42a/0xc70
[  809.669796]  ? lock_downgrade+0x900/0x900
[  809.673959]  ? check_preemption_disabled+0x48/0x280
[  809.679001]  ? kasan_check_read+0x11/0x20
[  809.683167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  809.688473]  ? rcu_read_unlock_special+0x370/0x370
[  809.693425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  809.698990]  ? check_preemption_disabled+0x48/0x280
[  809.704039]  handle_mm_fault+0x54f/0xc70
[  809.708122]  ? __handle_mm_fault+0x5be0/0x5be0
[  809.712734]  ? find_vma+0x34/0x190
[  809.716311]  __do_page_fault+0x5d6/0xe40
[  809.720401]  ? trace_hardirqs_off+0xb8/0x310
[  809.724839]  do_page_fault+0xed/0x7d1
[  809.728658]  ? vmalloc_sync_all+0x30/0x30
[  809.732830]  ? error_entry+0x70/0xd0
[  809.736563]  ? trace_hardirqs_off_caller+0xbb/0x300
[  809.741598]  ? trace_hardirqs_on_caller+0xc0/0x310
[  809.746551]  ? syscall_return_slowpath+0x5e0/0x5e0
[  809.751504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  809.756374]  ? trace_hardirqs_on_caller+0x310/0x310
[  809.761415]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  809.766901]  ? prepare_exit_to_usermode+0x291/0x3b0
[  809.771939]  ? page_fault+0x8/0x30
[  809.775518]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  809.780388]  ? page_fault+0x8/0x30
[  809.783952]  page_fault+0x1e/0x30
[  809.787424] RIP: 0033:0x45ddf3
[  809.790641] Code: Bad RIP value.
[  809.794017] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  809.799391] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  809.806680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  809.813977] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  809.821284] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  809.828580] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  809.835903] warn_alloc_show_mem: 1 callbacks suppressed
[  809.835917] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  809.835919] Mem-Info:
[  809.835952] active_anon:129018 inactive_anon:195 isolated_anon:0
[  809.835952]  active_file:12 inactive_file:15 isolated_file:0
[  809.835952]  unevictable:1 dirty:0 writeback:0 unstable:0
[  809.835952]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  809.835952]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  809.835952]  free:13741 free_pcp:161 free_cma:0
[  809.841326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  809.849403] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  809.851826] Call Trace:
[  809.884921] 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
[  809.894310]  dump_stack+0x244/0x39d
[  809.921907] lowmem_reserve[]: 0 2818 6321 6321
[  809.924512]  ? dump_stack_print_info.cold.1+0x20/0x20
[  809.950601] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  809.954275]  warn_alloc.cold.116+0xb7/0x1bd
[  809.958815] lowmem_reserve[]: 0 0 3503 3503
[  809.964018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  809.991418] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  809.995763]  ? lock_downgrade+0x900/0x900
[  810.000042] lowmem_reserve[]: 0 0 0 0
[  810.004913]  ? trace_hardirqs_off+0xb8/0x310
[  810.033789] 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
[  810.037974]  ? trace_hardirqs_off+0xb8/0x310
[  810.041741] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  810.046166]  __alloc_pages_slowpath+0x26fe/0x2e30
[  810.059694] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  810.064151]  ? warn_alloc+0x120/0x120
[  810.078516] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  810.083371]  ? print_usage_bug+0xc0/0xc0
[  810.098616] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  810.102428]  ? warn_alloc+0x120/0x120
[  810.111248] 296 total pagecache pages
[  810.115332]  ? warn_alloc+0x120/0x120
[  810.123883] 0 pages in swap cache
[  810.127693]  ? print_usage_bug+0xc0/0xc0
[  810.131470] Swap cache stats: add 0, delete 0, find 0/0
[  810.135270]  ? print_usage_bug+0xc0/0xc0
[  810.138708] Free swap  = 0kB
[  810.142775]  ? __lock_acquire+0x62f/0x4c20
[  810.148112] Total swap = 0kB
[  810.148122] 1965979 pages RAM
[  810.152213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  810.155200] 0 pages HighMem/MovableOnly
[  810.159433]  ? should_fail+0x22d/0xd01
[  810.162430] 342854 pages reserved
[  810.165534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  810.171047] 0 pages cma reserved
[  810.175029]  ? __lock_acquire+0x62f/0x4c20
[  810.178977] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  810.182340]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  810.187496] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  810.190792]  ? __lock_acquire+0x62f/0x4c20
[  810.194995] syz-fuzzer cpuset=/ mems_allowed=0
[  810.201498]  ? should_fail+0x22d/0xd01
[  810.229590]  ? mark_held_locks+0x130/0x130
[  810.233836]  ? mark_held_locks+0x130/0x130
[  810.238096]  ? lock_downgrade+0x900/0x900
[  810.242251]  ? graph_lock+0x270/0x270
[  810.246054]  ? print_usage_bug+0xc0/0xc0
[  810.250138]  ? trace_hardirqs_off+0xb8/0x310
[  810.254629]  ? kasan_check_read+0x11/0x20
[  810.258813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.264364]  ? check_preemption_disabled+0x48/0x280
[  810.269420]  ? __lock_is_held+0xb5/0x140
[  810.273493]  __alloc_pages_nodemask+0xa7b/0xdd0
[  810.278198]  ? graph_lock+0x270/0x270
[  810.282020]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  810.287056]  ? find_held_lock+0x36/0x1c0
[  810.291139]  ? ____cache_alloc_node+0x1c7/0x1e0
[  810.295817]  ? lock_downgrade+0x900/0x900
[  810.299985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.305539]  cache_grow_begin+0xa5/0x8c0
[  810.309637]  ? do_raw_spin_unlock+0xa7/0x330
[  810.314089]  fallback_alloc+0x204/0x2e0
[  810.318091]  ____cache_alloc_node+0x1c7/0x1e0
[  810.322597]  kmem_cache_alloc_node+0xe3/0x730
[  810.327097]  ? ipv6_get_ifaddr+0x42e/0x620
[  810.331380]  __alloc_skb+0x114/0x770
[  810.335102]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  810.340400]  ? netdev_alloc_frag+0x1f0/0x1f0
[  810.344848]  ? lock_downgrade+0x900/0x900
[  810.349033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.354589]  ? refcount_sub_and_test_checked+0x203/0x310
[  810.360069]  ? refcount_dec_if_one+0x180/0x180
[  810.364680]  ? addrconf_rs_timer+0x690/0x690
[  810.369107]  ndisc_alloc_skb+0x144/0x340
[  810.373194]  ndisc_send_rs+0x331/0x6e0
[  810.377097]  addrconf_rs_timer+0x314/0x690
[  810.381345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.385639]  call_timer_fn+0x26d/0x920
[  810.389539]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.393781]  ? process_timeout+0x40/0x40
[  810.397855]  ? __run_timers+0x7d5/0xc60
[  810.401844]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.406347]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.410876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.415126]  ? lockdep_hardirqs_on+0x296/0x5b0
[  810.419743]  ? trace_hardirqs_on+0xbd/0x310
[  810.424071]  ? kasan_check_read+0x11/0x20
[  810.428244]  ? __run_timers+0x7d5/0xc60
[  810.432231]  ? trace_hardirqs_off_caller+0x300/0x300
[  810.437349]  ? __queue_work+0x1440/0x1440
[  810.441511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.445782]  __run_timers+0x7e0/0xc60
[  810.449604]  ? timer_fixup_init+0x70/0x70
[  810.453798]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.458304]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.462829]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  810.467437]  ? trace_hardirqs_on+0xbd/0x310
[  810.471813]  ? kasan_check_read+0x11/0x20
[  810.475986]  ? finish_task_switch+0x1f4/0x920
[  810.480511]  ? trace_hardirqs_off_caller+0x300/0x300
[  810.485671]  ? compat_start_thread+0x80/0x80
[  810.490128]  ? pvclock_read_flags+0x160/0x160
[  810.494630]  ? __switch_to_asm+0x34/0x70
[  810.498702]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.504264]  ? check_preemption_disabled+0x48/0x280
[  810.509303]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  810.514863]  ? rcu_pm_notify+0xc0/0xc0
[  810.518784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.524332]  ? check_preemption_disabled+0x48/0x280
[  810.529378]  run_timer_softirq+0x52/0xb0
[  810.533451]  ? rcu_read_lock_sched_held+0x14f/0x180
[  810.538498]  __do_softirq+0x308/0xb7e
[  810.542327]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  810.547100]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  810.552244]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  810.557033]  ? trace_hardirqs_off+0xb8/0x310
[  810.561453]  ? smpboot_thread_fn+0x68b/0xa00
[  810.565876]  ? trace_hardirqs_on+0x310/0x310
[  810.570303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  810.575856]  ? check_preemption_disabled+0x48/0x280
[  810.580886]  ? takeover_tasklets+0xa90/0xa90
[  810.585305]  run_ksoftirqd+0x5e/0x100
[  810.589119]  smpboot_thread_fn+0x68b/0xa00
[  810.593382]  ? sort_range+0x30/0x30
[  810.597018]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  810.602142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  810.607707]  ? __kthread_parkme+0xfb/0x1a0
[  810.611972]  ? sort_range+0x30/0x30
[  810.615610]  kthread+0x35a/0x440
[  810.619010]  ? kthread_stop+0x8f0/0x8f0
[  810.622995]  ret_from_fork+0x3a/0x50
[  810.626765] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  810.626876] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  810.635043] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  810.635048] Call Trace:
[  810.635055]  <IRQ>
[  810.635081]  dump_stack+0x244/0x39d
[  810.635098]  ? dump_stack_print_info.cold.1+0x20/0x20
[  810.635124]  warn_alloc.cold.116+0xb7/0x1bd
[  810.641718] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  810.650981]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  810.653542] ksoftirqd/0 cpuset=/ mems_allowed=0
[  810.655708]  ? lock_downgrade+0x900/0x900
[  810.692847]  ? trace_hardirqs_off+0xb8/0x310
[  810.697331]  ? trace_hardirqs_off+0xb8/0x310
[  810.701782]  __alloc_pages_slowpath+0x26fe/0x2e30
[  810.706709]  ? warn_alloc+0x120/0x120
[  810.710527]  ? print_usage_bug+0xc0/0xc0
[  810.714604]  ? warn_alloc+0x120/0x120
[  810.718447]  ? warn_alloc+0x120/0x120
[  810.722262]  ? print_usage_bug+0xc0/0xc0
[  810.726342]  ? print_usage_bug+0xc0/0xc0
[  810.730431]  ? __lock_acquire+0x62f/0x4c20
[  810.734682]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  810.740238]  ? should_fail+0x22d/0xd01
[  810.744145]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  810.749278]  ? __lock_acquire+0x62f/0x4c20
[  810.753534]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  810.758680]  ? __lock_acquire+0x62f/0x4c20
[  810.762961]  ? should_fail+0x22d/0xd01
[  810.766863]  ? find_held_lock+0x36/0x1c0
[  810.770949]  ? mark_held_locks+0x130/0x130
[  810.775210]  ? mark_held_locks+0x130/0x130
[  810.779457]  ? graph_lock+0x270/0x270
[  810.783268]  ? graph_lock+0x270/0x270
[  810.787080]  ? print_usage_bug+0xc0/0xc0
[  810.791149]  ? do_raw_spin_unlock+0xa7/0x330
[  810.795598]  ? graph_lock+0x270/0x270
[  810.799409]  ? print_usage_bug+0xc0/0xc0
[  810.803476]  ? wq_watchdog_touch+0x9c/0xfe
[  810.807741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.813296]  ? check_preemption_disabled+0x48/0x280
[  810.818341]  ? __lock_is_held+0xb5/0x140
[  810.822418]  __alloc_pages_nodemask+0xa7b/0xdd0
[  810.827114]  ? graph_lock+0x270/0x270
[  810.830930]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  810.835979]  ? find_held_lock+0x36/0x1c0
[  810.840061]  ? ____cache_alloc_node+0x1c7/0x1e0
[  810.844745]  ? lock_downgrade+0x900/0x900
[  810.848918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.854482]  cache_grow_begin+0xa5/0x8c0
[  810.858561]  ? do_raw_spin_unlock+0xa7/0x330
[  810.862991]  fallback_alloc+0x204/0x2e0
[  810.866998]  ____cache_alloc_node+0x1c7/0x1e0
[  810.871524]  kmem_cache_alloc_node+0xe3/0x730
[  810.876031]  ? ipv6_get_ifaddr+0x42e/0x620
[  810.880286]  __alloc_skb+0x114/0x770
[  810.884009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  810.889304]  ? netdev_alloc_frag+0x1f0/0x1f0
[  810.893730]  ? lock_downgrade+0x900/0x900
[  810.897900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  810.903468]  ? refcount_sub_and_test_checked+0x203/0x310
[  810.908970]  ? refcount_dec_if_one+0x180/0x180
[  810.913570]  ? addrconf_rs_timer+0x690/0x690
[  810.918001]  ndisc_alloc_skb+0x144/0x340
[  810.922077]  ndisc_send_rs+0x331/0x6e0
[  810.925982]  addrconf_rs_timer+0x314/0x690
[  810.930242]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.934495]  call_timer_fn+0x26d/0x920
[  810.938395]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.942818]  ? process_timeout+0x40/0x40
[  810.946902]  ? mark_held_locks+0xc7/0x130
[  810.951061]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.955573]  ? _raw_spin_unlock_irq+0x27/0x80
[  810.960090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.964340]  ? lockdep_hardirqs_on+0x296/0x5b0
[  810.968935]  ? trace_hardirqs_on+0xbd/0x310
[  810.973272]  ? kasan_check_read+0x11/0x20
[  810.977441]  ? __run_timers+0x7d5/0xc60
[  810.981445]  ? trace_hardirqs_off_caller+0x300/0x300
[  810.986565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.990824]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  810.995087]  __run_timers+0x7e0/0xc60
[  810.998909]  ? timer_fixup_init+0x70/0x70
[  811.003070]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  811.008103]  ? graph_lock+0x270/0x270
[  811.011927]  ? print_usage_bug+0xc0/0xc0
[  811.016008]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  811.021229]  ? find_held_lock+0x36/0x1c0
[  811.025308]  ? graph_lock+0x270/0x270
[  811.029132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.034723]  ? check_preemption_disabled+0x48/0x280
[  811.039777]  ? __lock_is_held+0xb5/0x140
[  811.043870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.049421]  ? check_preemption_disabled+0x48/0x280
[  811.054461]  run_timer_softirq+0x52/0xb0
[  811.058533]  ? rcu_read_lock_sched_held+0x14f/0x180
[  811.063571]  __do_softirq+0x308/0xb7e
[  811.067393]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  811.071903]  ? lock_downgrade+0x900/0x900
[  811.076581]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  811.081744]  ? pvclock_read_flags+0x160/0x160
[  811.086265]  ? lapic_next_event+0x5a/0x90
[  811.090433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.095992]  ? kvm_clock_read+0x18/0x30
[  811.099976]  ? kvm_sched_clock_read+0x9/0x20
[  811.104400]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.109952]  ? check_preemption_disabled+0x48/0x280
[  811.114995]  irq_exit+0x17f/0x1c0
[  811.118468]  smp_apic_timer_interrupt+0x1cb/0x760
[  811.123324]  ? smp_reschedule_interrupt+0x109/0x650
[  811.128360]  ? smp_call_function_single_interrupt+0x640/0x640
[  811.134276]  ? interrupt_entry+0xb5/0xc0
[  811.138353]  ? trace_hardirqs_off_caller+0xbb/0x300
[  811.143380]  ? trace_hardirqs_off_caller+0xbb/0x300
[  811.148419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.153295]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.158326]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.163377]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.168246]  apic_timer_interrupt+0xf/0x20
[  811.172489]  </IRQ>
[  811.174758] RIP: 0010:dump_stack+0x358/0x39d
[  811.179183] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  811.198107] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  811.205844] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  811.213135] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  811.220460] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  811.227778] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  811.235082] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  811.242401]  ? dump_stack+0x34f/0x39d
[  811.246238]  ? dump_stack_print_info.cold.1+0x20/0x20
[  811.251451]  ? mark_held_locks+0x130/0x130
[  811.255722]  ? mark_held_locks+0x130/0x130
[  811.259988]  dump_header+0x27b/0xf72
[  811.263729]  ? pagefault_out_of_memory+0x197/0x197
[  811.268677]  ? mark_held_locks+0x130/0x130
[  811.272949]  ? __lock_acquire+0x62f/0x4c20
[  811.277197]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  811.281969]  ? print_usage_bug+0xc0/0xc0
[  811.286072]  ? graph_lock+0x270/0x270
[  811.289897]  ? graph_lock+0x270/0x270
[  811.293729]  ? print_usage_bug+0xc0/0xc0
[  811.297814]  ? print_usage_bug+0xc0/0xc0
[  811.301884]  ? graph_lock+0x270/0x270
[  811.305708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.311262]  ? find_held_lock+0x36/0x1c0
[  811.315343]  ? mark_held_locks+0xc7/0x130
[  811.319512]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  811.324629]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  811.329756]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  811.334353]  ? trace_hardirqs_on+0xbd/0x310
[  811.338712]  ? kasan_check_read+0x11/0x20
[  811.342871]  ? ___ratelimit+0x3b4/0x672
[  811.346857]  ? trace_hardirqs_off_caller+0x300/0x300
[  811.351974]  ? trace_hardirqs_on+0x310/0x310
[  811.356400]  ? lock_downgrade+0x900/0x900
[  811.360575]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  811.365700]  ? ___ratelimit+0x3b9/0x672
[  811.369697]  ? idr_get_free+0xf70/0xf70
[  811.373697]  ? kasan_check_read+0x11/0x20
[  811.377856]  ? do_raw_spin_unlock+0xa7/0x330
[  811.382286]  oom_kill_process.cold.27+0x10/0x903
[  811.387058]  ? graph_lock+0x270/0x270
[  811.390875]  ? _raw_spin_unlock+0x2c/0x50
[  811.395033]  ? oom_badness+0xe6/0xaa0
[  811.398889]  ? oom_evaluate_task+0x540/0x540
[  811.403317]  ? find_held_lock+0x36/0x1c0
[  811.407400]  ? out_of_memory+0x96f/0x1430
[  811.411560]  ? lock_downgrade+0x900/0x900
[  811.415734]  ? check_preemption_disabled+0x48/0x280
[  811.420769]  ? kasan_check_read+0x11/0x20
[  811.424922]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  811.430218]  ? rcu_read_unlock_special+0x370/0x370
[  811.435168]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  811.440235]  ? oom_evaluate_task+0x302/0x540
[  811.444665]  out_of_memory+0xa7f/0x1430
[  811.448682]  ? oom_killer_disable+0x3a0/0x3a0
[  811.453204]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  811.458154]  ? __ww_mutex_check_waiters+0x160/0x160
[  811.463223]  __alloc_pages_slowpath+0x236a/0x2e30
[  811.468111]  ? warn_alloc+0x120/0x120
[  811.471923]  ? mark_held_locks+0x130/0x130
[  811.476229]  ? find_get_entry+0xaae/0x1120
[  811.480490]  ? filemap_map_pages+0x1a20/0x1a20
[  811.485090]  ? graph_lock+0x270/0x270
[  811.488903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.494453]  ? check_preemption_disabled+0x48/0x280
[  811.499488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.505040]  ? should_fail+0x22d/0xd01
[  811.508955]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  811.514075]  ? graph_lock+0x270/0x270
[  811.517910]  ? __lock_is_held+0xb5/0x140
[  811.521996]  ? mark_held_locks+0x130/0x130
[  811.526251]  ? lock_release+0xa10/0xa10
[  811.530239]  ? perf_trace_sched_process_exec+0x860/0x860
[  811.535708]  ? xa_load+0x2ba/0x460
[  811.539266]  ? lock_downgrade+0x900/0x900
[  811.543434]  ? __might_sleep+0x95/0x190
[  811.547425]  __alloc_pages_nodemask+0xa7b/0xdd0
[  811.552133]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  811.557192]  ? __page_cache_alloc+0x177/0x570
[  811.561712]  ? xa_load+0x2e1/0x460
[  811.565265]  ? xa_clear_mark+0x40/0x40
[  811.569165]  ? graph_lock+0x270/0x270
[  811.572994]  ? graph_lock+0x270/0x270
[  811.576813]  ? graph_lock+0x270/0x270
[  811.580626]  ? __do_page_cache_readahead+0x663/0x810
[  811.585758]  ? find_held_lock+0x36/0x1c0
[  811.589842]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  811.595405]  alloc_pages_current+0x173/0x350
[  811.599837]  __page_cache_alloc+0x3ce/0x570
[  811.604173]  ? kasan_check_read+0x11/0x20
[  811.608355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  811.613654]  ? generic_perform_write+0x6a0/0x6a0
[  811.618433]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.623991]  ? check_preemption_disabled+0x48/0x280
[  811.629028]  filemap_fault+0x1595/0x25f0
[  811.633118]  ? __lock_page_or_retry+0xa00/0xa00
[  811.637824]  ? mark_held_locks+0x130/0x130
[  811.642075]  ? filemap_map_pages+0xd6b/0x1a20
[  811.646586]  ? lock_downgrade+0x900/0x900
[  811.650747]  ? check_preemption_disabled+0x48/0x280
[  811.655782]  ? kasan_check_read+0x11/0x20
[  811.659939]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  811.665229]  ? rcu_read_unlock_special+0x370/0x370
[  811.670195]  ? filemap_map_pages+0xd92/0x1a20
[  811.674743]  ? find_get_entries_tag+0x1400/0x1400
[  811.679607]  ? debug_object_destroy+0x2b0/0x2b0
[  811.684318]  ? lock_pi_update_atomic+0x150/0x150
[  811.689084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  811.694649]  ? lock_acquire+0x1ed/0x520
[  811.698637]  ? ext4_filemap_fault+0x7a/0xad
[  811.703003]  ? lock_release+0xa10/0xa10
[  811.706987]  ? perf_trace_sched_process_exec+0x860/0x860
[  811.712455]  ? print_usage_bug+0xc0/0xc0
[  811.716533]  ? print_usage_bug+0xc0/0xc0
[  811.720618]  ? down_read+0x8d/0x120
[  811.724255]  ? ext4_filemap_fault+0x7a/0xad
[  811.728592]  ? __down_interruptible+0x700/0x700
[  811.733298]  ext4_filemap_fault+0x82/0xad
[  811.737469]  __do_fault+0x100/0x6b0
[  811.741113]  ? do_futex+0x1df/0x26d0
[  811.744851]  ? pmd_devmap_trans_unstable+0x220/0x220
[  811.750000]  ? mark_held_locks+0x130/0x130
[  811.754327]  ? mark_held_locks+0x130/0x130
[  811.758585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.764153]  __handle_mm_fault+0x3ea0/0x5be0
[  811.768580]  ? perf_trace_lock+0x7a0/0x7a0
[  811.772868]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  811.777739]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  811.782344]  ? graph_lock+0x270/0x270
[  811.786152]  ? graph_lock+0x270/0x270
[  811.789979]  ? __x64_sys_futex+0x53e/0x6a0
[  811.794245]  ? find_held_lock+0x36/0x1c0
[  811.798357]  ? handle_mm_fault+0x42a/0xc70
[  811.802603]  ? lock_downgrade+0x900/0x900
[  811.806760]  ? check_preemption_disabled+0x48/0x280
[  811.811808]  ? kasan_check_read+0x11/0x20
[  811.815968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  811.821259]  ? rcu_read_unlock_special+0x370/0x370
[  811.826222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  811.831774]  ? check_preemption_disabled+0x48/0x280
[  811.836815]  handle_mm_fault+0x54f/0xc70
[  811.840898]  ? __handle_mm_fault+0x5be0/0x5be0
[  811.845499]  ? find_vma+0x34/0x190
[  811.849056]  __do_page_fault+0x5d6/0xe40
[  811.853128]  ? trace_hardirqs_off+0xb8/0x310
[  811.857564]  do_page_fault+0xed/0x7d1
[  811.861381]  ? vmalloc_sync_all+0x30/0x30
[  811.865544]  ? error_entry+0x70/0xd0
[  811.869269]  ? trace_hardirqs_off_caller+0xbb/0x300
[  811.874335]  ? trace_hardirqs_on_caller+0xc0/0x310
[  811.879289]  ? syscall_return_slowpath+0x5e0/0x5e0
[  811.884246]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.889120]  ? trace_hardirqs_on_caller+0x310/0x310
[  811.894147]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  811.899631]  ? prepare_exit_to_usermode+0x291/0x3b0
[  811.904673]  ? page_fault+0x8/0x30
[  811.908252]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  811.913110]  ? page_fault+0x8/0x30
[  811.916657]  page_fault+0x1e/0x30
[  811.920121] RIP: 0033:0x45ddf3
[  811.923343] Code: Bad RIP value.
[  811.926715] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  811.932098] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  811.939376] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  811.946663] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  811.953958] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  811.961246] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  811.968558] warn_alloc_show_mem: 1 callbacks suppressed
[  811.968572] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  811.968573] Mem-Info:
[  811.968605] active_anon:129018 inactive_anon:195 isolated_anon:0
[  811.968605]  active_file:12 inactive_file:15 isolated_file:0
[  811.968605]  unevictable:1 dirty:0 writeback:0 unstable:0
[  811.968605]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  811.968605]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  811.968605]  free:13741 free_pcp:161 free_cma:0
[  811.973979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  811.982062] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  811.984468] Call Trace:
[  812.017527] 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
[  812.026924]  dump_stack+0x244/0x39d
[  812.054495] lowmem_reserve[]: 0 2818 6321 6321
[  812.057116]  ? dump_stack_print_info.cold.1+0x20/0x20
[  812.083227] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  812.086897]  warn_alloc.cold.116+0xb7/0x1bd
[  812.091422] lowmem_reserve[]: 0 0 3503 3503
[  812.096627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  812.124133] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  812.128476]  ? lock_downgrade+0x900/0x900
[  812.132753] lowmem_reserve[]: 0 0 0 0
[  812.137625]  ? trace_hardirqs_off+0xb8/0x310
[  812.166500] 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
[  812.170689]  ? trace_hardirqs_off+0xb8/0x310
[  812.174452] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  812.178864]  __alloc_pages_slowpath+0x26fe/0x2e30
[  812.192387] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  812.196840]  ? warn_alloc+0x120/0x120
[  812.211234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  812.216114]  ? print_usage_bug+0xc0/0xc0
[  812.231389] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  812.231402] 296 total pagecache pages
[  812.235230]  ? warn_alloc+0x120/0x120
[  812.244071] 0 pages in swap cache
[  812.248152]  ? warn_alloc+0x120/0x120
[  812.256756] Swap cache stats: add 0, delete 0, find 0/0
[  812.260625]  ? print_usage_bug+0xc0/0xc0
[  812.264411] Free swap  = 0kB
[  812.267882]  ? print_usage_bug+0xc0/0xc0
[  812.271693] Total swap = 0kB
[  812.277060]  ? __lock_acquire+0x62f/0x4c20
[  812.281136] 1965979 pages RAM
[  812.284184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.288215] 0 pages HighMem/MovableOnly
[  812.291233]  ? should_fail+0x22d/0xd01
[  812.295448] 342854 pages reserved
[  812.298557]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.304071] 0 pages cma reserved
[  812.308057]  ? __lock_acquire+0x62f/0x4c20
[  812.311988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  812.315363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.320586] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  812.323818]  ? __lock_acquire+0x62f/0x4c20
[  812.328022] syz-fuzzer cpuset=/ mems_allowed=0
[  812.334518]  ? should_fail+0x22d/0xd01
[  812.362535]  ? find_held_lock+0x36/0x1c0
[  812.366611]  ? mark_held_locks+0x130/0x130
[  812.370861]  ? mark_held_locks+0x130/0x130
[  812.375101]  ? graph_lock+0x270/0x270
[  812.378915]  ? mark_held_locks+0xc7/0x130
[  812.383069]  ? do_raw_spin_unlock+0xa7/0x330
[  812.387486]  ? graph_lock+0x270/0x270
[  812.391297]  ? print_usage_bug+0xc0/0xc0
[  812.395372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.400923]  ? check_preemption_disabled+0x48/0x280
[  812.405960]  ? __lock_is_held+0xb5/0x140
[  812.410034]  __alloc_pages_nodemask+0xa7b/0xdd0
[  812.414731]  ? graph_lock+0x270/0x270
[  812.418556]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  812.423591]  ? find_held_lock+0x36/0x1c0
[  812.427672]  ? ____cache_alloc_node+0x1c7/0x1e0
[  812.432350]  ? lock_downgrade+0x900/0x900
[  812.436531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.442082]  cache_grow_begin+0xa5/0x8c0
[  812.446149]  ? do_raw_spin_unlock+0xa7/0x330
[  812.450580]  fallback_alloc+0x204/0x2e0
[  812.454580]  ____cache_alloc_node+0x1c7/0x1e0
[  812.459108]  kmem_cache_alloc_node+0xe3/0x730
[  812.463638]  ? ipv6_get_ifaddr+0x42e/0x620
[  812.467901]  __alloc_skb+0x114/0x770
[  812.471632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.476931]  ? netdev_alloc_frag+0x1f0/0x1f0
[  812.481349]  ? lock_downgrade+0x900/0x900
[  812.485525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.491078]  ? refcount_sub_and_test_checked+0x203/0x310
[  812.496543]  ? refcount_dec_if_one+0x180/0x180
[  812.501156]  ? addrconf_rs_timer+0x690/0x690
[  812.505596]  ndisc_alloc_skb+0x144/0x340
[  812.509666]  ndisc_send_rs+0x331/0x6e0
[  812.513568]  addrconf_rs_timer+0x314/0x690
[  812.517818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  812.522069]  call_timer_fn+0x26d/0x920
[  812.525997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  812.530238]  ? process_timeout+0x40/0x40
[  812.534309]  ? __run_timers+0x7d5/0xc60
[  812.538298]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.542800]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.547300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  812.551565]  ? lockdep_hardirqs_on+0x296/0x5b0
[  812.556153]  ? trace_hardirqs_on+0xbd/0x310
[  812.560506]  ? kasan_check_read+0x11/0x20
[  812.564675]  ? __run_timers+0x7d5/0xc60
[  812.568658]  ? trace_hardirqs_off_caller+0x300/0x300
[  812.573787]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  812.578038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  812.582280]  __run_timers+0x7e0/0xc60
[  812.586094]  ? timer_fixup_init+0x70/0x70
[  812.590250]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.594751]  ? _raw_spin_unlock_irq+0x27/0x80
[  812.599276]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  812.603873]  ? trace_hardirqs_on+0xbd/0x310
[  812.608209]  ? kasan_check_read+0x11/0x20
[  812.612371]  ? finish_task_switch+0x1f4/0x920
[  812.616873]  ? trace_hardirqs_off_caller+0x300/0x300
[  812.621982]  ? compat_start_thread+0x80/0x80
[  812.626430]  ? pvclock_read_flags+0x160/0x160
[  812.630933]  ? __switch_to_asm+0x34/0x70
[  812.635008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.640556]  ? check_preemption_disabled+0x48/0x280
[  812.645589]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  812.651168]  ? rcu_pm_notify+0xc0/0xc0
[  812.655109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.660652]  ? check_preemption_disabled+0x48/0x280
[  812.665687]  run_timer_softirq+0x52/0xb0
[  812.669767]  ? rcu_read_lock_sched_held+0x14f/0x180
[  812.674804]  __do_softirq+0x308/0xb7e
[  812.678615]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  812.683397]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  812.688513]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  812.693288]  ? trace_hardirqs_off+0xb8/0x310
[  812.697721]  ? smpboot_thread_fn+0x68b/0xa00
[  812.702136]  ? trace_hardirqs_on+0x310/0x310
[  812.706553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.712104]  ? check_preemption_disabled+0x48/0x280
[  812.717130]  ? takeover_tasklets+0xa90/0xa90
[  812.721543]  run_ksoftirqd+0x5e/0x100
[  812.725354]  smpboot_thread_fn+0x68b/0xa00
[  812.729596]  ? sort_range+0x30/0x30
[  812.733249]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  812.738366]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.743909]  ? __kthread_parkme+0xfb/0x1a0
[  812.748183]  ? sort_range+0x30/0x30
[  812.751841]  kthread+0x35a/0x440
[  812.755221]  ? kthread_stop+0x8f0/0x8f0
[  812.759224]  ret_from_fork+0x3a/0x50
[  812.762962] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  812.763088] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  812.771235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  812.771240] Call Trace:
[  812.771247]  <IRQ>
[  812.771273]  dump_stack+0x244/0x39d
[  812.771291]  ? dump_stack_print_info.cold.1+0x20/0x20
[  812.771316]  warn_alloc.cold.116+0xb7/0x1bd
[  812.777886] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  812.787188]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  812.789755] ksoftirqd/0 cpuset=/ mems_allowed=0
[  812.791912]  ? lock_downgrade+0x900/0x900
[  812.829046]  ? trace_hardirqs_off+0xb8/0x310
[  812.833482]  ? trace_hardirqs_off+0xb8/0x310
[  812.837930]  __alloc_pages_slowpath+0x26fe/0x2e30
[  812.842839]  ? warn_alloc+0x120/0x120
[  812.846652]  ? print_usage_bug+0xc0/0xc0
[  812.850746]  ? warn_alloc+0x120/0x120
[  812.854560]  ? warn_alloc+0x120/0x120
[  812.858410]  ? print_usage_bug+0xc0/0xc0
[  812.862479]  ? kvm_clock_read+0x18/0x30
[  812.866466]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  812.871515]  ? print_usage_bug+0xc0/0xc0
[  812.875598]  ? __lock_acquire+0x62f/0x4c20
[  812.879862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  812.885415]  ? should_fail+0x22d/0xd01
[  812.889309]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  812.894607]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.899727]  ? __lock_acquire+0x62f/0x4c20
[  812.903982]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  812.909099]  ? __lock_acquire+0x62f/0x4c20
[  812.913599]  ? should_fail+0x22d/0xd01
[  812.917491]  ? rcu_irq_exit+0x1a2/0x390
[  812.921494]  ? mark_held_locks+0x130/0x130
[  812.925744]  ? mark_held_locks+0x130/0x130
[  812.930034]  ? mark_held_locks+0xc7/0x130
[  812.934209]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  812.939281]  ? graph_lock+0x270/0x270
[  812.943334]  ? print_usage_bug+0xc0/0xc0
[  812.947427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.952979]  ? check_preemption_disabled+0x48/0x280
[  812.958053]  ? __lock_is_held+0xb5/0x140
[  812.962135]  __alloc_pages_nodemask+0xa7b/0xdd0
[  812.966818]  ? graph_lock+0x270/0x270
[  812.970635]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  812.975699]  ? find_held_lock+0x36/0x1c0
[  812.979797]  ? ____cache_alloc_node+0x1c7/0x1e0
[  812.984512]  ? lock_downgrade+0x900/0x900
[  812.988717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  812.994277]  cache_grow_begin+0xa5/0x8c0
[  812.998347]  ? do_raw_spin_unlock+0xa7/0x330
[  813.002796]  fallback_alloc+0x204/0x2e0
[  813.006804]  ____cache_alloc_node+0x1c7/0x1e0
[  813.011347]  kmem_cache_alloc_node+0xe3/0x730
[  813.015879]  ? ipv6_get_ifaddr+0x42e/0x620
[  813.020149]  __alloc_skb+0x114/0x770
[  813.023883]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.029172]  ? netdev_alloc_frag+0x1f0/0x1f0
[  813.033602]  ? lock_downgrade+0x900/0x900
[  813.037784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.043337]  ? refcount_sub_and_test_checked+0x203/0x310
[  813.048809]  ? refcount_dec_if_one+0x180/0x180
[  813.053420]  ? addrconf_rs_timer+0x690/0x690
[  813.057852]  ndisc_alloc_skb+0x144/0x340
[  813.061961]  ndisc_send_rs+0x331/0x6e0
[  813.065867]  addrconf_rs_timer+0x314/0x690
[  813.070119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  813.074895]  call_timer_fn+0x26d/0x920
[  813.078793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  813.083053]  ? process_timeout+0x40/0x40
[  813.087133]  ? mark_held_locks+0xc7/0x130
[  813.091297]  ? _raw_spin_unlock_irq+0x27/0x80
[  813.095808]  ? _raw_spin_unlock_irq+0x27/0x80
[  813.100312]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  813.104559]  ? lockdep_hardirqs_on+0x296/0x5b0
[  813.109173]  ? trace_hardirqs_on+0xbd/0x310
[  813.113511]  ? kasan_check_read+0x11/0x20
[  813.117668]  ? __run_timers+0x7d5/0xc60
[  813.121670]  ? trace_hardirqs_off_caller+0x300/0x300
[  813.126794]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  813.131044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  813.135285]  __run_timers+0x7e0/0xc60
[  813.139125]  ? timer_fixup_init+0x70/0x70
[  813.143289]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  813.148328]  ? graph_lock+0x270/0x270
[  813.152142]  ? print_usage_bug+0xc0/0xc0
[  813.156227]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  813.161450]  ? find_held_lock+0x36/0x1c0
[  813.165524]  ? graph_lock+0x270/0x270
[  813.169369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.174919]  ? check_preemption_disabled+0x48/0x280
[  813.179957]  ? __lock_is_held+0xb5/0x140
[  813.184031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.189631]  ? check_preemption_disabled+0x48/0x280
[  813.194665]  run_timer_softirq+0x52/0xb0
[  813.198745]  ? rcu_read_lock_sched_held+0x14f/0x180
[  813.203779]  __do_softirq+0x308/0xb7e
[  813.207607]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  813.212113]  ? lock_downgrade+0x900/0x900
[  813.216277]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  813.221400]  ? pvclock_read_flags+0x160/0x160
[  813.225916]  ? lapic_next_event+0x5a/0x90
[  813.230078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.235658]  ? kvm_clock_read+0x18/0x30
[  813.239648]  ? kvm_sched_clock_read+0x9/0x20
[  813.244093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.249663]  ? check_preemption_disabled+0x48/0x280
[  813.254712]  irq_exit+0x17f/0x1c0
[  813.258190]  smp_apic_timer_interrupt+0x1cb/0x760
[  813.263061]  ? smp_reschedule_interrupt+0x109/0x650
[  813.268093]  ? smp_call_function_single_interrupt+0x640/0x640
[  813.273995]  ? interrupt_entry+0xb5/0xc0
[  813.278075]  ? trace_hardirqs_off_caller+0xbb/0x300
[  813.283099]  ? trace_hardirqs_off_caller+0xbb/0x300
[  813.288129]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  813.292988]  ? trace_hardirqs_on_caller+0x310/0x310
[  813.298016]  ? trace_hardirqs_on_caller+0x310/0x310
[  813.303063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  813.307933]  apic_timer_interrupt+0xf/0x20
[  813.312173]  </IRQ>
[  813.314432] RIP: 0010:dump_stack+0x358/0x39d
[  813.318854] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  813.337771] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  813.345507] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  813.352799] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  813.360091] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  813.367398] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  813.374697] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  813.382047]  ? dump_stack+0x34f/0x39d
[  813.385883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  813.391116]  ? mark_held_locks+0x130/0x130
[  813.395391]  ? mark_held_locks+0x130/0x130
[  813.399663]  dump_header+0x27b/0xf72
[  813.403421]  ? pagefault_out_of_memory+0x197/0x197
[  813.408367]  ? mark_held_locks+0x130/0x130
[  813.412614]  ? __lock_acquire+0x62f/0x4c20
[  813.416872]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  813.421648]  ? print_usage_bug+0xc0/0xc0
[  813.425729]  ? graph_lock+0x270/0x270
[  813.429536]  ? graph_lock+0x270/0x270
[  813.433348]  ? print_usage_bug+0xc0/0xc0
[  813.437418]  ? print_usage_bug+0xc0/0xc0
[  813.441489]  ? graph_lock+0x270/0x270
[  813.445307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.450854]  ? find_held_lock+0x36/0x1c0
[  813.454969]  ? mark_held_locks+0xc7/0x130
[  813.459134]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  813.464252]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  813.469389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  813.474002]  ? trace_hardirqs_on+0xbd/0x310
[  813.478362]  ? kasan_check_read+0x11/0x20
[  813.482520]  ? ___ratelimit+0x3b4/0x672
[  813.486508]  ? trace_hardirqs_off_caller+0x300/0x300
[  813.491633]  ? trace_hardirqs_on+0x310/0x310
[  813.496059]  ? lock_downgrade+0x900/0x900
[  813.500236]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  813.505351]  ? ___ratelimit+0x3b9/0x672
[  813.509340]  ? idr_get_free+0xf70/0xf70
[  813.513323]  ? kasan_check_read+0x11/0x20
[  813.517506]  ? do_raw_spin_unlock+0xa7/0x330
[  813.521935]  oom_kill_process.cold.27+0x10/0x903
[  813.526722]  ? graph_lock+0x270/0x270
[  813.530549]  ? _raw_spin_unlock+0x2c/0x50
[  813.534731]  ? oom_badness+0xe6/0xaa0
[  813.538546]  ? oom_evaluate_task+0x540/0x540
[  813.542967]  ? find_held_lock+0x36/0x1c0
[  813.547049]  ? out_of_memory+0x96f/0x1430
[  813.551226]  ? lock_downgrade+0x900/0x900
[  813.555384]  ? check_preemption_disabled+0x48/0x280
[  813.560426]  ? kasan_check_read+0x11/0x20
[  813.564585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.569893]  ? rcu_read_unlock_special+0x370/0x370
[  813.574841]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  813.579868]  ? oom_evaluate_task+0x302/0x540
[  813.584353]  out_of_memory+0xa7f/0x1430
[  813.588362]  ? oom_killer_disable+0x3a0/0x3a0
[  813.592866]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  813.597806]  ? __ww_mutex_check_waiters+0x160/0x160
[  813.602846]  __alloc_pages_slowpath+0x236a/0x2e30
[  813.607755]  ? warn_alloc+0x120/0x120
[  813.611564]  ? mark_held_locks+0x130/0x130
[  813.615816]  ? find_get_entry+0xaae/0x1120
[  813.620076]  ? filemap_map_pages+0x1a20/0x1a20
[  813.624695]  ? graph_lock+0x270/0x270
[  813.628523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.634076]  ? check_preemption_disabled+0x48/0x280
[  813.639106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.644707]  ? should_fail+0x22d/0xd01
[  813.648622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  813.653759]  ? graph_lock+0x270/0x270
[  813.657597]  ? __lock_is_held+0xb5/0x140
[  813.661677]  ? mark_held_locks+0x130/0x130
[  813.665931]  ? lock_release+0xa10/0xa10
[  813.669915]  ? perf_trace_sched_process_exec+0x860/0x860
[  813.675376]  ? xa_load+0x2ba/0x460
[  813.678930]  ? lock_downgrade+0x900/0x900
[  813.683110]  ? __might_sleep+0x95/0x190
[  813.687113]  __alloc_pages_nodemask+0xa7b/0xdd0
[  813.691802]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  813.696845]  ? __page_cache_alloc+0x177/0x570
[  813.701347]  ? xa_load+0x2e1/0x460
[  813.704901]  ? xa_clear_mark+0x40/0x40
[  813.708816]  ? graph_lock+0x270/0x270
[  813.712630]  ? graph_lock+0x270/0x270
[  813.716454]  ? graph_lock+0x270/0x270
[  813.720288]  ? __do_page_cache_readahead+0x663/0x810
[  813.725406]  ? find_held_lock+0x36/0x1c0
[  813.729480]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  813.735037]  alloc_pages_current+0x173/0x350
[  813.739474]  __page_cache_alloc+0x3ce/0x570
[  813.743812]  ? kasan_check_read+0x11/0x20
[  813.747973]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.753281]  ? generic_perform_write+0x6a0/0x6a0
[  813.758053]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.763624]  ? check_preemption_disabled+0x48/0x280
[  813.768662]  filemap_fault+0x1595/0x25f0
[  813.772764]  ? __lock_page_or_retry+0xa00/0xa00
[  813.777465]  ? mark_held_locks+0x130/0x130
[  813.781740]  ? filemap_map_pages+0xd6b/0x1a20
[  813.786246]  ? lock_downgrade+0x900/0x900
[  813.790400]  ? check_preemption_disabled+0x48/0x280
[  813.795433]  ? kasan_check_read+0x11/0x20
[  813.799594]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.804885]  ? rcu_read_unlock_special+0x370/0x370
[  813.809845]  ? filemap_map_pages+0xd92/0x1a20
[  813.814366]  ? find_get_entries_tag+0x1400/0x1400
[  813.819271]  ? debug_object_destroy+0x2b0/0x2b0
[  813.823949]  ? lock_pi_update_atomic+0x150/0x150
[  813.828721]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  813.834310]  ? lock_acquire+0x1ed/0x520
[  813.838328]  ? ext4_filemap_fault+0x7a/0xad
[  813.842730]  ? lock_release+0xa10/0xa10
[  813.846714]  ? perf_trace_sched_process_exec+0x860/0x860
[  813.852188]  ? print_usage_bug+0xc0/0xc0
[  813.856289]  ? print_usage_bug+0xc0/0xc0
[  813.860372]  ? down_read+0x8d/0x120
[  813.864021]  ? ext4_filemap_fault+0x7a/0xad
[  813.868356]  ? __down_interruptible+0x700/0x700
[  813.873049]  ext4_filemap_fault+0x82/0xad
[  813.877218]  __do_fault+0x100/0x6b0
[  813.880855]  ? do_futex+0x1df/0x26d0
[  813.884582]  ? pmd_devmap_trans_unstable+0x220/0x220
[  813.889722]  ? mark_held_locks+0x130/0x130
[  813.893988]  ? mark_held_locks+0x130/0x130
[  813.898260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.903815]  __handle_mm_fault+0x3ea0/0x5be0
[  813.908256]  ? perf_trace_lock+0x7a0/0x7a0
[  813.912517]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  813.917389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  813.922003]  ? graph_lock+0x270/0x270
[  813.925850]  ? graph_lock+0x270/0x270
[  813.929660]  ? __x64_sys_futex+0x53e/0x6a0
[  813.933913]  ? find_held_lock+0x36/0x1c0
[  813.938012]  ? handle_mm_fault+0x42a/0xc70
[  813.942267]  ? lock_downgrade+0x900/0x900
[  813.946438]  ? check_preemption_disabled+0x48/0x280
[  813.951471]  ? kasan_check_read+0x11/0x20
[  813.955630]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  813.960962]  ? rcu_read_unlock_special+0x370/0x370
[  813.965906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  813.971468]  ? check_preemption_disabled+0x48/0x280
[  813.976509]  handle_mm_fault+0x54f/0xc70
[  813.980615]  ? __handle_mm_fault+0x5be0/0x5be0
[  813.985248]  ? find_vma+0x34/0x190
[  813.988825]  __do_page_fault+0x5d6/0xe40
[  813.992896]  ? trace_hardirqs_off+0xb8/0x310
[  813.997329]  do_page_fault+0xed/0x7d1
[  814.001142]  ? vmalloc_sync_all+0x30/0x30
[  814.005310]  ? error_entry+0x70/0xd0
[  814.009037]  ? trace_hardirqs_off_caller+0xbb/0x300
[  814.014071]  ? trace_hardirqs_on_caller+0xc0/0x310
[  814.019028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  814.024019]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  814.028897]  ? trace_hardirqs_on_caller+0x310/0x310
[  814.033944]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  814.039445]  ? prepare_exit_to_usermode+0x291/0x3b0
[  814.044501]  ? page_fault+0x8/0x30
[  814.048057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  814.052933]  ? page_fault+0x8/0x30
[  814.056482]  page_fault+0x1e/0x30
[  814.059943] RIP: 0033:0x45ddf3
[  814.063161] Code: Bad RIP value.
[  814.066560] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  814.071930] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  814.079215] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  814.086496] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  814.093835] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  814.101122] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  814.108448] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  814.108455] warn_alloc_show_mem: 1 callbacks suppressed
[  814.108470] Mem-Info:
[  814.116548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  814.121932] active_anon:129018 inactive_anon:195 isolated_anon:0
[  814.121932]  active_file:12 inactive_file:15 isolated_file:0
[  814.121932]  unevictable:1 dirty:0 writeback:0 unstable:0
[  814.121932]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  814.121932]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  814.121932]  free:13741 free_pcp:161 free_cma:0
[  814.124311] Call Trace:
[  814.133720] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  814.166772]  dump_stack+0x244/0x39d
[  814.169338] 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
[  814.196947]  ? dump_stack_print_info.cold.1+0x20/0x20
[  814.200543] lowmem_reserve[]: 0 2818 6321 6321
[  814.226695]  warn_alloc.cold.116+0xb7/0x1bd
[  814.231881] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  814.236466]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  814.240761] lowmem_reserve[]: 0 0 3503 3503
[  814.268231]  ? lock_downgrade+0x900/0x900
[  814.273063] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  814.277398]  ? trace_hardirqs_off+0xb8/0x310
[  814.281515] lowmem_reserve[]: 0 0 0 0
[  814.310425]  ? trace_hardirqs_off+0xb8/0x310
[  814.314817] 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
[  814.318656]  __alloc_pages_slowpath+0x26fe/0x2e30
[  814.323047] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  814.336631]  ? warn_alloc+0x120/0x120
[  814.341441] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  814.355877]  ? print_usage_bug+0xc0/0xc0
[  814.359686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  814.374969]  ? warn_alloc+0x120/0x120
[  814.379013] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  814.379023] 296 total pagecache pages
[  814.387873]  ? warn_alloc+0x120/0x120
[  814.391659] 0 pages in swap cache
[  814.400252]  ? print_usage_bug+0xc0/0xc0
[  814.404034] Swap cache stats: add 0, delete 0, find 0/0
[  814.407839]  ? print_usage_bug+0xc0/0xc0
[  814.411317] Free swap  = 0kB
[  814.415377]  ? __lock_acquire+0x62f/0x4c20
[  814.420733] Total swap = 0kB
[  814.424828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  814.427813] 1965979 pages RAM
[  814.432049]  ? should_fail+0x22d/0xd01
[  814.435059] 0 pages HighMem/MovableOnly
[  814.440616]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  814.443704] 342854 pages reserved
[  814.447594]  ? __lock_acquire+0x62f/0x4c20
[  814.451543] 0 pages cma reserved
[  814.456653]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  814.460158] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  814.464316]  ? __lock_acquire+0x62f/0x4c20
[  814.464333]  ? should_fail+0x22d/0xd01
[  814.467808] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  814.472835]  ? find_held_lock+0x36/0x1c0
[  814.479305] syz-fuzzer cpuset=/ mems_allowed=0
[  814.483551]  ? mark_held_locks+0x130/0x130
[  814.510510]  ? mark_held_locks+0x130/0x130
[  814.514751]  ? graph_lock+0x270/0x270
[  814.518571]  ? graph_lock+0x270/0x270
[  814.522411]  ? print_usage_bug+0xc0/0xc0
[  814.526559]  ? do_raw_spin_unlock+0xa7/0x330
[  814.530976]  ? graph_lock+0x270/0x270
[  814.534784]  ? print_usage_bug+0xc0/0xc0
[  814.538871]  ? wq_watchdog_touch+0x9c/0xfe
[  814.543132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.548693]  ? check_preemption_disabled+0x48/0x280
[  814.553729]  ? __lock_is_held+0xb5/0x140
[  814.557840]  __alloc_pages_nodemask+0xa7b/0xdd0
[  814.562518]  ? graph_lock+0x270/0x270
[  814.566329]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  814.571375]  ? find_held_lock+0x36/0x1c0
[  814.575474]  ? ____cache_alloc_node+0x1c7/0x1e0
[  814.580152]  ? lock_downgrade+0x900/0x900
[  814.584334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.589886]  cache_grow_begin+0xa5/0x8c0
[  814.593953]  ? do_raw_spin_unlock+0xa7/0x330
[  814.598390]  fallback_alloc+0x204/0x2e0
[  814.602375]  ____cache_alloc_node+0x1c7/0x1e0
[  814.606886]  kmem_cache_alloc_node+0xe3/0x730
[  814.611388]  ? ipv6_get_ifaddr+0x42e/0x620
[  814.615692]  __alloc_skb+0x114/0x770
[  814.619412]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  814.624705]  ? netdev_alloc_frag+0x1f0/0x1f0
[  814.629138]  ? lock_downgrade+0x900/0x900
[  814.633323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.638890]  ? refcount_sub_and_test_checked+0x203/0x310
[  814.644373]  ? refcount_dec_if_one+0x180/0x180
[  814.648962]  ? addrconf_rs_timer+0x690/0x690
[  814.653388]  ndisc_alloc_skb+0x144/0x340
[  814.657456]  ndisc_send_rs+0x331/0x6e0
[  814.661357]  addrconf_rs_timer+0x314/0x690
[  814.665619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  814.669902]  call_timer_fn+0x26d/0x920
[  814.673820]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  814.678057]  ? process_timeout+0x40/0x40
[  814.682129]  ? __run_timers+0x7d5/0xc60
[  814.686116]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.690658]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.695172]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  814.699467]  ? lockdep_hardirqs_on+0x296/0x5b0
[  814.704074]  ? trace_hardirqs_on+0xbd/0x310
[  814.708400]  ? kasan_check_read+0x11/0x20
[  814.712559]  ? __run_timers+0x7d5/0xc60
[  814.716553]  ? trace_hardirqs_off_caller+0x300/0x300
[  814.721699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  814.725942]  __run_timers+0x7e0/0xc60
[  814.729758]  ? timer_fixup_init+0x70/0x70
[  814.733928]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.738427]  ? _raw_spin_unlock_irq+0x27/0x80
[  814.742947]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  814.747542]  ? trace_hardirqs_on+0xbd/0x310
[  814.751867]  ? kasan_check_read+0x11/0x20
[  814.756026]  ? finish_task_switch+0x1f4/0x920
[  814.760527]  ? trace_hardirqs_off_caller+0x300/0x300
[  814.765635]  ? compat_start_thread+0x80/0x80
[  814.770085]  ? pvclock_read_flags+0x160/0x160
[  814.774587]  ? __switch_to_asm+0x34/0x70
[  814.778681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.784243]  ? check_preemption_disabled+0x48/0x280
[  814.789293]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  814.794850]  ? rcu_pm_notify+0xc0/0xc0
[  814.798758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  814.804332]  ? check_preemption_disabled+0x48/0x280
[  814.809397]  run_timer_softirq+0x52/0xb0
[  814.813489]  ? rcu_read_lock_sched_held+0x14f/0x180
[  814.818516]  __do_softirq+0x308/0xb7e
[  814.822345]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  814.827113]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  814.832235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  814.837017]  ? trace_hardirqs_off+0xb8/0x310
[  814.841431]  ? smpboot_thread_fn+0x68b/0xa00
[  814.845853]  ? trace_hardirqs_on+0x310/0x310
[  814.850312]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  814.855891]  ? check_preemption_disabled+0x48/0x280
[  814.860919]  ? takeover_tasklets+0xa90/0xa90
[  814.865341]  run_ksoftirqd+0x5e/0x100
[  814.869152]  smpboot_thread_fn+0x68b/0xa00
[  814.873412]  ? sort_range+0x30/0x30
[  814.877070]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  814.882199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  814.887769]  ? __kthread_parkme+0xfb/0x1a0
[  814.892019]  ? sort_range+0x30/0x30
[  814.895654]  kthread+0x35a/0x440
[  814.899027]  ? kthread_stop+0x8f0/0x8f0
[  814.903015]  ret_from_fork+0x3a/0x50
[  814.906788] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  814.906895] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  814.915039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  814.915044] Call Trace:
[  814.915051]  <IRQ>
[  814.915090]  dump_stack+0x244/0x39d
[  814.915108]  ? dump_stack_print_info.cold.1+0x20/0x20
[  814.915134]  warn_alloc.cold.116+0xb7/0x1bd
[  814.921857] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  814.931031]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  814.933603] ksoftirqd/0 cpuset=/ mems_allowed=0
[  814.935775]  ? lock_downgrade+0x900/0x900
[  814.973113]  ? trace_hardirqs_off+0xb8/0x310
[  814.977548]  ? trace_hardirqs_off+0xb8/0x310
[  814.981995]  __alloc_pages_slowpath+0x26fe/0x2e30
[  814.986906]  ? warn_alloc+0x120/0x120
[  814.990722]  ? print_usage_bug+0xc0/0xc0
[  814.994850]  ? warn_alloc+0x120/0x120
[  814.998673]  ? warn_alloc+0x120/0x120
[  815.002497]  ? print_usage_bug+0xc0/0xc0
[  815.006574]  ? print_usage_bug+0xc0/0xc0
[  815.010685]  ? __lock_acquire+0x62f/0x4c20
[  815.014960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.020528]  ? should_fail+0x22d/0xd01
[  815.024433]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  815.029569]  ? __lock_acquire+0x62f/0x4c20
[  815.033819]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  815.038958]  ? __lock_acquire+0x62f/0x4c20
[  815.043210]  ? should_fail+0x22d/0xd01
[  815.047155]  ? find_held_lock+0x36/0x1c0
[  815.051261]  ? mark_held_locks+0x130/0x130
[  815.055519]  ? mark_held_locks+0x130/0x130
[  815.059764]  ? graph_lock+0x270/0x270
[  815.063575]  ? graph_lock+0x270/0x270
[  815.067410]  ? print_usage_bug+0xc0/0xc0
[  815.071505]  ? do_raw_spin_unlock+0xa7/0x330
[  815.076458]  ? graph_lock+0x270/0x270
[  815.080311]  ? print_usage_bug+0xc0/0xc0
[  815.084389]  ? wq_watchdog_touch+0x9c/0xfe
[  815.088649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.094244]  ? check_preemption_disabled+0x48/0x280
[  815.099292]  ? __lock_is_held+0xb5/0x140
[  815.103371]  __alloc_pages_nodemask+0xa7b/0xdd0
[  815.108053]  ? graph_lock+0x270/0x270
[  815.111876]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  815.116919]  ? find_held_lock+0x36/0x1c0
[  815.121002]  ? ____cache_alloc_node+0x1c7/0x1e0
[  815.125695]  ? lock_downgrade+0x900/0x900
[  815.129860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.135429]  cache_grow_begin+0xa5/0x8c0
[  815.139527]  ? do_raw_spin_unlock+0xa7/0x330
[  815.144016]  fallback_alloc+0x204/0x2e0
[  815.148008]  ____cache_alloc_node+0x1c7/0x1e0
[  815.152551]  kmem_cache_alloc_node+0xe3/0x730
[  815.157055]  ? ipv6_get_ifaddr+0x42e/0x620
[  815.161310]  __alloc_skb+0x114/0x770
[  815.165036]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.170330]  ? netdev_alloc_frag+0x1f0/0x1f0
[  815.174752]  ? lock_downgrade+0x900/0x900
[  815.178919]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.184472]  ? refcount_sub_and_test_checked+0x203/0x310
[  815.189947]  ? refcount_dec_if_one+0x180/0x180
[  815.194546]  ? addrconf_rs_timer+0x690/0x690
[  815.198984]  ndisc_alloc_skb+0x144/0x340
[  815.203066]  ndisc_send_rs+0x331/0x6e0
[  815.206973]  addrconf_rs_timer+0x314/0x690
[  815.211261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  815.215514]  call_timer_fn+0x26d/0x920
[  815.219410]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  815.223670]  ? process_timeout+0x40/0x40
[  815.227770]  ? mark_held_locks+0xc7/0x130
[  815.231943]  ? _raw_spin_unlock_irq+0x27/0x80
[  815.236449]  ? _raw_spin_unlock_irq+0x27/0x80
[  815.240951]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  815.245224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  815.249826]  ? trace_hardirqs_on+0xbd/0x310
[  815.254174]  ? kasan_check_read+0x11/0x20
[  815.258341]  ? __run_timers+0x7d5/0xc60
[  815.262328]  ? trace_hardirqs_off_caller+0x300/0x300
[  815.267453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  815.271709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  815.275950]  __run_timers+0x7e0/0xc60
[  815.279801]  ? timer_fixup_init+0x70/0x70
[  815.283971]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  815.289031]  ? graph_lock+0x270/0x270
[  815.292845]  ? print_usage_bug+0xc0/0xc0
[  815.296916]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  815.302146]  ? find_held_lock+0x36/0x1c0
[  815.306233]  ? graph_lock+0x270/0x270
[  815.310066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.315632]  ? check_preemption_disabled+0x48/0x280
[  815.320692]  ? __lock_is_held+0xb5/0x140
[  815.324768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.330318]  ? check_preemption_disabled+0x48/0x280
[  815.335354]  run_timer_softirq+0x52/0xb0
[  815.339425]  ? rcu_read_lock_sched_held+0x14f/0x180
[  815.344460]  __do_softirq+0x308/0xb7e
[  815.348279]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  815.352794]  ? lock_downgrade+0x900/0x900
[  815.356960]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  815.362089]  ? pvclock_read_flags+0x160/0x160
[  815.366605]  ? lapic_next_event+0x5a/0x90
[  815.370772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.376334]  ? kvm_clock_read+0x18/0x30
[  815.380320]  ? kvm_sched_clock_read+0x9/0x20
[  815.384741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.390287]  ? check_preemption_disabled+0x48/0x280
[  815.395325]  irq_exit+0x17f/0x1c0
[  815.398798]  smp_apic_timer_interrupt+0x1cb/0x760
[  815.403667]  ? smp_reschedule_interrupt+0x109/0x650
[  815.408747]  ? smp_call_function_single_interrupt+0x640/0x640
[  815.414647]  ? interrupt_entry+0xb5/0xc0
[  815.418763]  ? trace_hardirqs_off_caller+0xbb/0x300
[  815.423796]  ? trace_hardirqs_off_caller+0xbb/0x300
[  815.428830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.433713]  ? trace_hardirqs_on_caller+0x310/0x310
[  815.438742]  ? trace_hardirqs_on_caller+0x310/0x310
[  815.443789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  815.448672]  apic_timer_interrupt+0xf/0x20
[  815.452928]  </IRQ>
[  815.455200] RIP: 0010:dump_stack+0x358/0x39d
[  815.459636] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  815.478556] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  815.486287] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  815.493581] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  815.500890] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  815.508199] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  815.515533] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  815.522847]  ? dump_stack+0x34f/0x39d
[  815.526683]  ? dump_stack_print_info.cold.1+0x20/0x20
[  815.531904]  ? mark_held_locks+0x130/0x130
[  815.536195]  ? mark_held_locks+0x130/0x130
[  815.540469]  dump_header+0x27b/0xf72
[  815.544246]  ? pagefault_out_of_memory+0x197/0x197
[  815.549210]  ? mark_held_locks+0x130/0x130
[  815.553459]  ? __lock_acquire+0x62f/0x4c20
[  815.557719]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  815.562508]  ? print_usage_bug+0xc0/0xc0
[  815.566584]  ? graph_lock+0x270/0x270
[  815.570388]  ? graph_lock+0x270/0x270
[  815.574207]  ? print_usage_bug+0xc0/0xc0
[  815.578280]  ? print_usage_bug+0xc0/0xc0
[  815.582355]  ? graph_lock+0x270/0x270
[  815.586175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.591742]  ? find_held_lock+0x36/0x1c0
[  815.595827]  ? mark_held_locks+0xc7/0x130
[  815.599989]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  815.605105]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  815.610226]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  815.614825]  ? trace_hardirqs_on+0xbd/0x310
[  815.619155]  ? kasan_check_read+0x11/0x20
[  815.623330]  ? ___ratelimit+0x3b4/0x672
[  815.627333]  ? trace_hardirqs_off_caller+0x300/0x300
[  815.632458]  ? trace_hardirqs_on+0x310/0x310
[  815.636893]  ? lock_downgrade+0x900/0x900
[  815.641060]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  815.646173]  ? ___ratelimit+0x3b9/0x672
[  815.650168]  ? idr_get_free+0xf70/0xf70
[  815.654215]  ? kasan_check_read+0x11/0x20
[  815.658372]  ? do_raw_spin_unlock+0xa7/0x330
[  815.662801]  oom_kill_process.cold.27+0x10/0x903
[  815.667569]  ? graph_lock+0x270/0x270
[  815.671381]  ? _raw_spin_unlock+0x2c/0x50
[  815.675544]  ? oom_badness+0xe6/0xaa0
[  815.679359]  ? oom_evaluate_task+0x540/0x540
[  815.683801]  ? find_held_lock+0x36/0x1c0
[  815.687895]  ? out_of_memory+0x96f/0x1430
[  815.692099]  ? lock_downgrade+0x900/0x900
[  815.696252]  ? check_preemption_disabled+0x48/0x280
[  815.701289]  ? kasan_check_read+0x11/0x20
[  815.705449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.710773]  ? rcu_read_unlock_special+0x370/0x370
[  815.715727]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  815.720773]  ? oom_evaluate_task+0x302/0x540
[  815.725209]  out_of_memory+0xa7f/0x1430
[  815.729218]  ? oom_killer_disable+0x3a0/0x3a0
[  815.733731]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  815.738674]  ? __ww_mutex_check_waiters+0x160/0x160
[  815.743739]  __alloc_pages_slowpath+0x236a/0x2e30
[  815.748661]  ? warn_alloc+0x120/0x120
[  815.752497]  ? mark_held_locks+0x130/0x130
[  815.756757]  ? find_get_entry+0xaae/0x1120
[  815.761011]  ? filemap_map_pages+0x1a20/0x1a20
[  815.765637]  ? graph_lock+0x270/0x270
[  815.769450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.775003]  ? check_preemption_disabled+0x48/0x280
[  815.780034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.785583]  ? should_fail+0x22d/0xd01
[  815.789501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  815.794620]  ? graph_lock+0x270/0x270
[  815.798456]  ? __lock_is_held+0xb5/0x140
[  815.802561]  ? mark_held_locks+0x130/0x130
[  815.806810]  ? lock_release+0xa10/0xa10
[  815.810792]  ? perf_trace_sched_process_exec+0x860/0x860
[  815.816260]  ? xa_load+0x2ba/0x460
[  815.819814]  ? lock_downgrade+0x900/0x900
[  815.823974]  ? __might_sleep+0x95/0x190
[  815.827976]  __alloc_pages_nodemask+0xa7b/0xdd0
[  815.832682]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  815.837722]  ? __page_cache_alloc+0x177/0x570
[  815.842225]  ? xa_load+0x2e1/0x460
[  815.845786]  ? xa_clear_mark+0x40/0x40
[  815.849699]  ? graph_lock+0x270/0x270
[  815.853519]  ? graph_lock+0x270/0x270
[  815.857330]  ? graph_lock+0x270/0x270
[  815.861144]  ? __do_page_cache_readahead+0x663/0x810
[  815.866283]  ? find_held_lock+0x36/0x1c0
[  815.870377]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  815.875952]  alloc_pages_current+0x173/0x350
[  815.880381]  __page_cache_alloc+0x3ce/0x570
[  815.884733]  ? kasan_check_read+0x11/0x20
[  815.888911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.894211]  ? generic_perform_write+0x6a0/0x6a0
[  815.898983]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  815.904533]  ? check_preemption_disabled+0x48/0x280
[  815.909602]  filemap_fault+0x1595/0x25f0
[  815.913707]  ? __lock_page_or_retry+0xa00/0xa00
[  815.918392]  ? mark_held_locks+0x130/0x130
[  815.922667]  ? filemap_map_pages+0xd6b/0x1a20
[  815.927208]  ? lock_downgrade+0x900/0x900
[  815.931378]  ? check_preemption_disabled+0x48/0x280
[  815.936416]  ? kasan_check_read+0x11/0x20
[  815.940579]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  815.945930]  ? rcu_read_unlock_special+0x370/0x370
[  815.950902]  ? filemap_map_pages+0xd92/0x1a20
[  815.955424]  ? find_get_entries_tag+0x1400/0x1400
[  815.960283]  ? debug_object_destroy+0x2b0/0x2b0
[  815.964968]  ? lock_pi_update_atomic+0x150/0x150
[  815.969752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  815.975319]  ? lock_acquire+0x1ed/0x520
[  815.979308]  ? ext4_filemap_fault+0x7a/0xad
[  815.983652]  ? lock_release+0xa10/0xa10
[  815.987694]  ? perf_trace_sched_process_exec+0x860/0x860
[  815.993175]  ? print_usage_bug+0xc0/0xc0
[  815.997258]  ? print_usage_bug+0xc0/0xc0
[  816.001344]  ? down_read+0x8d/0x120
[  816.004979]  ? ext4_filemap_fault+0x7a/0xad
[  816.009316]  ? __down_interruptible+0x700/0x700
[  816.014024]  ext4_filemap_fault+0x82/0xad
[  816.018223]  __do_fault+0x100/0x6b0
[  816.021893]  ? do_futex+0x1df/0x26d0
[  816.025627]  ? pmd_devmap_trans_unstable+0x220/0x220
[  816.030784]  ? mark_held_locks+0x130/0x130
[  816.035034]  ? mark_held_locks+0x130/0x130
[  816.039293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  816.044850]  __handle_mm_fault+0x3ea0/0x5be0
[  816.049289]  ? perf_trace_lock+0x7a0/0x7a0
[  816.053558]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  816.058424]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  816.063031]  ? graph_lock+0x270/0x270
[  816.066840]  ? graph_lock+0x270/0x270
[  816.070643]  ? __x64_sys_futex+0x53e/0x6a0
[  816.074893]  ? find_held_lock+0x36/0x1c0
[  816.078978]  ? handle_mm_fault+0x42a/0xc70
[  816.083245]  ? lock_downgrade+0x900/0x900
[  816.087406]  ? check_preemption_disabled+0x48/0x280
[  816.092500]  ? kasan_check_read+0x11/0x20
[  816.096658]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  816.101950]  ? rcu_read_unlock_special+0x370/0x370
[  816.106910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  816.112470]  ? check_preemption_disabled+0x48/0x280
[  816.117521]  handle_mm_fault+0x54f/0xc70
[  816.121600]  ? __handle_mm_fault+0x5be0/0x5be0
[  816.126206]  ? find_vma+0x34/0x190
[  816.129768]  __do_page_fault+0x5d6/0xe40
[  816.133838]  ? trace_hardirqs_off+0xb8/0x310
[  816.138279]  do_page_fault+0xed/0x7d1
[  816.142096]  ? vmalloc_sync_all+0x30/0x30
[  816.146280]  ? error_entry+0x70/0xd0
[  816.150017]  ? trace_hardirqs_off_caller+0xbb/0x300
[  816.155045]  ? trace_hardirqs_on_caller+0xc0/0x310
[  816.159986]  ? syscall_return_slowpath+0x5e0/0x5e0
[  816.164938]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  816.169822]  ? trace_hardirqs_on_caller+0x310/0x310
[  816.174853]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  816.180327]  ? prepare_exit_to_usermode+0x291/0x3b0
[  816.185357]  ? page_fault+0x8/0x30
[  816.188912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  816.193766]  ? page_fault+0x8/0x30
[  816.197311]  page_fault+0x1e/0x30
[  816.200769] RIP: 0033:0x45ddf3
[  816.203980] Code: Bad RIP value.
[  816.207346] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  816.212716] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  816.220008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  816.227290] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  816.234575] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  816.241855] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  816.249175] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  816.249190] warn_alloc_show_mem: 1 callbacks suppressed
[  816.249202] Mem-Info:
[  816.257277] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  816.262658] active_anon:129018 inactive_anon:195 isolated_anon:0
[  816.262658]  active_file:12 inactive_file:15 isolated_file:0
[  816.262658]  unevictable:1 dirty:0 writeback:0 unstable:0
[  816.262658]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  816.262658]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  816.262658]  free:13741 free_pcp:161 free_cma:0
[  816.265033] Call Trace:
[  816.274452] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  816.307511]  dump_stack+0x244/0x39d
[  816.310074] 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
[  816.337682]  ? dump_stack_print_info.cold.1+0x20/0x20
[  816.341317] lowmem_reserve[]: 0 2818 6321 6321
[  816.367457]  warn_alloc.cold.116+0xb7/0x1bd
[  816.372630] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  816.377229]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  816.381521] lowmem_reserve[]: 0 0 3503 3503
[  816.408980]  ? lock_downgrade+0x900/0x900
[  816.413807] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  816.418141]  ? trace_hardirqs_off+0xb8/0x310
[  816.422259] lowmem_reserve[]: 0 0 0 0
[  816.451168]  ? trace_hardirqs_off+0xb8/0x310
[  816.455560] 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
[  816.459366]  __alloc_pages_slowpath+0x26fe/0x2e30
[  816.463749] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  816.477313]  ? warn_alloc+0x120/0x120
[  816.482115] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  816.496530]  ? print_usage_bug+0xc0/0xc0
[  816.500319] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  816.515606]  ? warn_alloc+0x120/0x120
[  816.519702] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  816.528545]  ? warn_alloc+0x120/0x120
[  816.532324] 296 total pagecache pages
[  816.540939]  ? print_usage_bug+0xc0/0xc0
[  816.544718] 0 pages in swap cache
[  816.548518]  ? print_usage_bug+0xc0/0xc0
[  816.552560] Swap cache stats: add 0, delete 0, find 0/0
[  816.556011]  ? print_usage_bug+0xc0/0xc0
[  816.560045] Free swap  = 0kB
[  816.565415]  ? __lock_acquire+0x62f/0x4c20
[  816.569454] Total swap = 0kB
[  816.572475]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  816.576704] 1965979 pages RAM
[  816.579727]  ? should_fail+0x22d/0xd01
[  816.585241] 0 pages HighMem/MovableOnly
[  816.588373]  ? __lock_acquire+0x62f/0x4c20
[  816.592258] 342854 pages reserved
[  816.596232]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  816.600442] 0 pages cma reserved
[  816.603923]  ? __lock_acquire+0x62f/0x4c20
[  816.609076] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  816.612365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  816.616655] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  816.623068]  ? __lock_acquire+0x62f/0x4c20
[  816.628146] syz-fuzzer cpuset=/ mems_allowed=0
[  816.638389]  ? should_fail+0x22d/0xd01
[  816.651109]  ? mark_held_locks+0x130/0x130
[  816.655354]  ? mark_held_locks+0x130/0x130
[  816.659599]  ? lock_downgrade+0x900/0x900
[  816.663756]  ? graph_lock+0x270/0x270
[  816.667569]  ? print_usage_bug+0xc0/0xc0
[  816.671655]  ? trace_hardirqs_off+0xb8/0x310
[  816.676076]  ? kasan_check_read+0x11/0x20
[  816.680253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.685801]  ? check_preemption_disabled+0x48/0x280
[  816.690872]  ? __lock_is_held+0xb5/0x140
[  816.694963]  __alloc_pages_nodemask+0xa7b/0xdd0
[  816.699655]  ? graph_lock+0x270/0x270
[  816.703471]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  816.708512]  ? find_held_lock+0x36/0x1c0
[  816.712631]  ? ____cache_alloc_node+0x1c7/0x1e0
[  816.717310]  ? lock_downgrade+0x900/0x900
[  816.721473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.727024]  cache_grow_begin+0xa5/0x8c0
[  816.731093]  ? do_raw_spin_unlock+0xa7/0x330
[  816.735530]  fallback_alloc+0x204/0x2e0
[  816.739532]  ____cache_alloc_node+0x1c7/0x1e0
[  816.744040]  kmem_cache_alloc_node+0xe3/0x730
[  816.748547]  ? ipv6_get_ifaddr+0x42e/0x620
[  816.752799]  __alloc_skb+0x114/0x770
[  816.756534]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  816.761845]  ? netdev_alloc_frag+0x1f0/0x1f0
[  816.766264]  ? lock_downgrade+0x900/0x900
[  816.770432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.775995]  ? refcount_sub_and_test_checked+0x203/0x310
[  816.781465]  ? refcount_dec_if_one+0x180/0x180
[  816.786059]  ? addrconf_rs_timer+0x690/0x690
[  816.790493]  ndisc_alloc_skb+0x144/0x340
[  816.794567]  ndisc_send_rs+0x331/0x6e0
[  816.798482]  addrconf_rs_timer+0x314/0x690
[  816.802746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  816.807048]  call_timer_fn+0x26d/0x920
[  816.810959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  816.815231]  ? process_timeout+0x40/0x40
[  816.819309]  ? __run_timers+0x7d5/0xc60
[  816.823310]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.827840]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.832386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  816.836636]  ? lockdep_hardirqs_on+0x296/0x5b0
[  816.841232]  ? trace_hardirqs_on+0xbd/0x310
[  816.845560]  ? kasan_check_read+0x11/0x20
[  816.849714]  ? __run_timers+0x7d5/0xc60
[  816.853710]  ? trace_hardirqs_off_caller+0x300/0x300
[  816.858827]  ? __queue_work+0x1440/0x1440
[  816.862996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  816.867243]  __run_timers+0x7e0/0xc60
[  816.871069]  ? timer_fixup_init+0x70/0x70
[  816.875248]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.879745]  ? _raw_spin_unlock_irq+0x27/0x80
[  816.884286]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  816.888919]  ? trace_hardirqs_on+0xbd/0x310
[  816.893256]  ? kasan_check_read+0x11/0x20
[  816.897417]  ? finish_task_switch+0x1f4/0x920
[  816.901926]  ? trace_hardirqs_off_caller+0x300/0x300
[  816.907039]  ? compat_start_thread+0x80/0x80
[  816.911482]  ? pvclock_read_flags+0x160/0x160
[  816.916008]  ? __switch_to_asm+0x34/0x70
[  816.920083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.925643]  ? check_preemption_disabled+0x48/0x280
[  816.930682]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  816.936239]  ? rcu_pm_notify+0xc0/0xc0
[  816.940152]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  816.946238]  ? check_preemption_disabled+0x48/0x280
[  816.951275]  run_timer_softirq+0x52/0xb0
[  816.955350]  ? rcu_read_lock_sched_held+0x14f/0x180
[  816.960399]  __do_softirq+0x308/0xb7e
[  816.964231]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  816.969001]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  816.974122]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  816.978920]  ? trace_hardirqs_off+0xb8/0x310
[  816.983338]  ? smpboot_thread_fn+0x68b/0xa00
[  816.987754]  ? trace_hardirqs_on+0x310/0x310
[  816.992172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  816.997771]  ? check_preemption_disabled+0x48/0x280
[  817.002830]  ? takeover_tasklets+0xa90/0xa90
[  817.007271]  run_ksoftirqd+0x5e/0x100
[  817.011084]  smpboot_thread_fn+0x68b/0xa00
[  817.015332]  ? sort_range+0x30/0x30
[  817.018994]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  817.024113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.029686]  ? __kthread_parkme+0xfb/0x1a0
[  817.033930]  ? sort_range+0x30/0x30
[  817.037562]  kthread+0x35a/0x440
[  817.040937]  ? kthread_stop+0x8f0/0x8f0
[  817.044924]  ret_from_fork+0x3a/0x50
[  817.048683] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  817.048785] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  817.056932] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  817.056945] Call Trace:
[  817.063596] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  817.072807]  <IRQ>
[  817.075774] ksoftirqd/0 cpuset=/ mems_allowed=0
[  817.086123]  dump_stack+0x244/0x39d
[  817.096579]  ? dump_stack_print_info.cold.1+0x20/0x20
[  817.101821]  warn_alloc.cold.116+0xb7/0x1bd
[  817.106185]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  817.111122]  ? lock_downgrade+0x900/0x900
[  817.115311]  ? trace_hardirqs_off+0xb8/0x310
[  817.119764]  ? trace_hardirqs_off+0xb8/0x310
[  817.124205]  __alloc_pages_slowpath+0x26fe/0x2e30
[  817.129094]  ? warn_alloc+0x120/0x120
[  817.132912]  ? print_usage_bug+0xc0/0xc0
[  817.136988]  ? warn_alloc+0x120/0x120
[  817.140805]  ? warn_alloc+0x120/0x120
[  817.144616]  ? print_usage_bug+0xc0/0xc0
[  817.148700]  ? print_usage_bug+0xc0/0xc0
[  817.152814]  ? __lock_acquire+0x62f/0x4c20
[  817.157064]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.162660]  ? should_fail+0x22d/0xd01
[  817.166564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  817.171718]  ? __lock_acquire+0x62f/0x4c20
[  817.175988]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  817.181111]  ? __lock_acquire+0x62f/0x4c20
[  817.185359]  ? should_fail+0x22d/0xd01
[  817.189271]  ? find_held_lock+0x36/0x1c0
[  817.193358]  ? mark_held_locks+0x130/0x130
[  817.197617]  ? mark_held_locks+0x130/0x130
[  817.201863]  ? graph_lock+0x270/0x270
[  817.205684]  ? graph_lock+0x270/0x270
[  817.209511]  ? print_usage_bug+0xc0/0xc0
[  817.213595]  ? do_raw_spin_unlock+0xa7/0x330
[  817.218019]  ? graph_lock+0x270/0x270
[  817.221840]  ? print_usage_bug+0xc0/0xc0
[  817.225927]  ? wq_watchdog_touch+0x9c/0xfe
[  817.230195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.235755]  ? check_preemption_disabled+0x48/0x280
[  817.240803]  ? __lock_is_held+0xb5/0x140
[  817.244889]  __alloc_pages_nodemask+0xa7b/0xdd0
[  817.249577]  ? graph_lock+0x270/0x270
[  817.253405]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  817.258469]  ? find_held_lock+0x36/0x1c0
[  817.262558]  ? ____cache_alloc_node+0x1c7/0x1e0
[  817.267251]  ? lock_downgrade+0x900/0x900
[  817.271425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.276987]  cache_grow_begin+0xa5/0x8c0
[  817.281066]  ? do_raw_spin_unlock+0xa7/0x330
[  817.285502]  fallback_alloc+0x204/0x2e0
[  817.289502]  ____cache_alloc_node+0x1c7/0x1e0
[  817.294025]  kmem_cache_alloc_node+0xe3/0x730
[  817.298645]  ? ipv6_get_ifaddr+0x42e/0x620
[  817.302909]  __alloc_skb+0x114/0x770
[  817.306636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  817.311937]  ? netdev_alloc_frag+0x1f0/0x1f0
[  817.316372]  ? lock_downgrade+0x900/0x900
[  817.320551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.326115]  ? refcount_sub_and_test_checked+0x203/0x310
[  817.331602]  ? refcount_dec_if_one+0x180/0x180
[  817.336227]  ? addrconf_rs_timer+0x690/0x690
[  817.340674]  ndisc_alloc_skb+0x144/0x340
[  817.344769]  ndisc_send_rs+0x331/0x6e0
[  817.348695]  addrconf_rs_timer+0x314/0x690
[  817.353080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  817.357349]  call_timer_fn+0x26d/0x920
[  817.361275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  817.365553]  ? process_timeout+0x40/0x40
[  817.369652]  ? mark_held_locks+0xc7/0x130
[  817.373829]  ? _raw_spin_unlock_irq+0x27/0x80
[  817.378352]  ? _raw_spin_unlock_irq+0x27/0x80
[  817.382871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  817.387158]  ? lockdep_hardirqs_on+0x296/0x5b0
[  817.391814]  ? trace_hardirqs_on+0xbd/0x310
[  817.396155]  ? kasan_check_read+0x11/0x20
[  817.400342]  ? __run_timers+0x7d5/0xc60
[  817.404339]  ? trace_hardirqs_off_caller+0x300/0x300
[  817.409469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  817.413744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  817.418038]  __run_timers+0x7e0/0xc60
[  817.421896]  ? timer_fixup_init+0x70/0x70
[  817.426062]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  817.431101]  ? graph_lock+0x270/0x270
[  817.434924]  ? print_usage_bug+0xc0/0xc0
[  817.439009]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  817.444247]  ? find_held_lock+0x36/0x1c0
[  817.448339]  ? graph_lock+0x270/0x270
[  817.452169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.457749]  ? check_preemption_disabled+0x48/0x280
[  817.462817]  ? __lock_is_held+0xb5/0x140
[  817.466902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.472836]  ? check_preemption_disabled+0x48/0x280
[  817.477887]  run_timer_softirq+0x52/0xb0
[  817.481976]  ? rcu_read_lock_sched_held+0x14f/0x180
[  817.487037]  __do_softirq+0x308/0xb7e
[  817.490871]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  817.495390]  ? lock_downgrade+0x900/0x900
[  817.499598]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  817.504735]  ? pvclock_read_flags+0x160/0x160
[  817.509264]  ? lapic_next_event+0x5a/0x90
[  817.513438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.519007]  ? kvm_clock_read+0x18/0x30
[  817.523005]  ? kvm_sched_clock_read+0x9/0x20
[  817.527438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.532996]  ? check_preemption_disabled+0x48/0x280
[  817.538044]  irq_exit+0x17f/0x1c0
[  817.541521]  smp_apic_timer_interrupt+0x1cb/0x760
[  817.546380]  ? smp_reschedule_interrupt+0x109/0x650
[  817.551422]  ? smp_call_function_single_interrupt+0x640/0x640
[  817.557334]  ? interrupt_entry+0xb5/0xc0
[  817.561425]  ? trace_hardirqs_off_caller+0xbb/0x300
[  817.566459]  ? trace_hardirqs_off_caller+0xbb/0x300
[  817.571514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  817.576389]  ? trace_hardirqs_on_caller+0x310/0x310
[  817.581424]  ? trace_hardirqs_on_caller+0x310/0x310
[  817.586494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  817.591373]  apic_timer_interrupt+0xf/0x20
[  817.595623]  </IRQ>
[  817.597882] RIP: 0010:dump_stack+0x358/0x39d
[  817.602347] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  817.621279] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  817.629027] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  817.636330] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  817.643633] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  817.651053] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  817.658357] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  817.665719]  ? dump_stack+0x34f/0x39d
[  817.669679]  ? dump_stack_print_info.cold.1+0x20/0x20
[  817.674909]  ? mark_held_locks+0x130/0x130
[  817.679176]  ? mark_held_locks+0x130/0x130
[  817.683565]  dump_header+0x27b/0xf72
[  817.687321]  ? pagefault_out_of_memory+0x197/0x197
[  817.692385]  ? mark_held_locks+0x130/0x130
[  817.696752]  ? __lock_acquire+0x62f/0x4c20
[  817.701007]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  817.705788]  ? print_usage_bug+0xc0/0xc0
[  817.709906]  ? graph_lock+0x270/0x270
[  817.713726]  ? graph_lock+0x270/0x270
[  817.717549]  ? print_usage_bug+0xc0/0xc0
[  817.721624]  ? print_usage_bug+0xc0/0xc0
[  817.725716]  ? graph_lock+0x270/0x270
[  817.729542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.735257]  ? find_held_lock+0x36/0x1c0
[  817.739360]  ? mark_held_locks+0xc7/0x130
[  817.743665]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  817.748801]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  817.754040]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  817.758649]  ? trace_hardirqs_on+0xbd/0x310
[  817.763040]  ? kasan_check_read+0x11/0x20
[  817.767235]  ? ___ratelimit+0x3b4/0x672
[  817.771245]  ? trace_hardirqs_off_caller+0x300/0x300
[  817.776376]  ? trace_hardirqs_on+0x310/0x310
[  817.780810]  ? lock_downgrade+0x900/0x900
[  817.785005]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  817.790131]  ? ___ratelimit+0x3b9/0x672
[  817.794270]  ? idr_get_free+0xf70/0xf70
[  817.798270]  ? kasan_check_read+0x11/0x20
[  817.802441]  ? do_raw_spin_unlock+0xa7/0x330
[  817.806883]  oom_kill_process.cold.27+0x10/0x903
[  817.811789]  ? graph_lock+0x270/0x270
[  817.815612]  ? _raw_spin_unlock+0x2c/0x50
[  817.819783]  ? oom_badness+0xe6/0xaa0
[  817.823610]  ? oom_evaluate_task+0x540/0x540
[  817.828072]  ? find_held_lock+0x36/0x1c0
[  817.832163]  ? out_of_memory+0x96f/0x1430
[  817.836367]  ? lock_downgrade+0x900/0x900
[  817.840534]  ? check_preemption_disabled+0x48/0x280
[  817.845579]  ? kasan_check_read+0x11/0x20
[  817.849753]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  817.855060]  ? rcu_read_unlock_special+0x370/0x370
[  817.860026]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  817.865067]  ? oom_evaluate_task+0x302/0x540
[  817.869505]  out_of_memory+0xa7f/0x1430
[  817.873658]  ? oom_killer_disable+0x3a0/0x3a0
[  817.878199]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  817.883307]  ? __ww_mutex_check_waiters+0x160/0x160
[  817.888361]  __alloc_pages_slowpath+0x236a/0x2e30
[  817.893313]  ? warn_alloc+0x120/0x120
[  817.897139]  ? mark_held_locks+0x130/0x130
[  817.901402]  ? find_get_entry+0xaae/0x1120
[  817.905667]  ? filemap_map_pages+0x1a20/0x1a20
[  817.910286]  ? graph_lock+0x270/0x270
[  817.914114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  817.919674]  ? check_preemption_disabled+0x48/0x280
[  817.924727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  817.930289]  ? should_fail+0x22d/0xd01
[  817.934218]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  817.939426]  ? graph_lock+0x270/0x270
[  817.943342]  ? __lock_is_held+0xb5/0x140
[  817.947433]  ? mark_held_locks+0x130/0x130
[  817.951708]  ? lock_release+0xa10/0xa10
[  817.955709]  ? perf_trace_sched_process_exec+0x860/0x860
[  817.961210]  ? xa_load+0x2ba/0x460
[  817.964786]  ? lock_downgrade+0x900/0x900
[  817.969074]  ? __might_sleep+0x95/0x190
[  817.973083]  __alloc_pages_nodemask+0xa7b/0xdd0
[  817.977793]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  817.983036]  ? __page_cache_alloc+0x177/0x570
[  817.987565]  ? xa_load+0x2e1/0x460
[  817.991141]  ? xa_clear_mark+0x40/0x40
[  817.995083]  ? graph_lock+0x270/0x270
[  817.998923]  ? graph_lock+0x270/0x270
[  818.002764]  ? graph_lock+0x270/0x270
[  818.006597]  ? __do_page_cache_readahead+0x663/0x810
[  818.011776]  ? find_held_lock+0x36/0x1c0
[  818.015888]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  818.021477]  alloc_pages_current+0x173/0x350
[  818.025934]  __page_cache_alloc+0x3ce/0x570
[  818.030294]  ? kasan_check_read+0x11/0x20
[  818.034477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.039793]  ? generic_perform_write+0x6a0/0x6a0
[  818.044589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.050383]  ? check_preemption_disabled+0x48/0x280
[  818.055443]  filemap_fault+0x1595/0x25f0
[  818.059549]  ? __lock_page_or_retry+0xa00/0xa00
[  818.064262]  ? mark_held_locks+0x130/0x130
[  818.068534]  ? filemap_map_pages+0xd6b/0x1a20
[  818.073058]  ? lock_downgrade+0x900/0x900
[  818.077242]  ? check_preemption_disabled+0x48/0x280
[  818.082290]  ? kasan_check_read+0x11/0x20
[  818.086459]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.091792]  ? rcu_read_unlock_special+0x370/0x370
[  818.096758]  ? filemap_map_pages+0xd92/0x1a20
[  818.101292]  ? find_get_entries_tag+0x1400/0x1400
[  818.106166]  ? debug_object_destroy+0x2b0/0x2b0
[  818.110885]  ? lock_pi_update_atomic+0x150/0x150
[  818.115668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.121372]  ? lock_acquire+0x1ed/0x520
[  818.125477]  ? ext4_filemap_fault+0x7a/0xad
[  818.129829]  ? lock_release+0xa10/0xa10
[  818.133826]  ? perf_trace_sched_process_exec+0x860/0x860
[  818.139307]  ? print_usage_bug+0xc0/0xc0
[  818.143395]  ? print_usage_bug+0xc0/0xc0
[  818.147497]  ? down_read+0x8d/0x120
[  818.151141]  ? ext4_filemap_fault+0x7a/0xad
[  818.155486]  ? __down_interruptible+0x700/0x700
[  818.160206]  ext4_filemap_fault+0x82/0xad
[  818.164384]  __do_fault+0x100/0x6b0
[  818.168031]  ? do_futex+0x1df/0x26d0
[  818.171772]  ? pmd_devmap_trans_unstable+0x220/0x220
[  818.176910]  ? mark_held_locks+0x130/0x130
[  818.181199]  ? mark_held_locks+0x130/0x130
[  818.185479]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.191059]  __handle_mm_fault+0x3ea0/0x5be0
[  818.195496]  ? perf_trace_lock+0x7a0/0x7a0
[  818.199756]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  818.204623]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  818.209245]  ? graph_lock+0x270/0x270
[  818.213058]  ? graph_lock+0x270/0x270
[  818.216866]  ? __x64_sys_futex+0x53e/0x6a0
[  818.221119]  ? find_held_lock+0x36/0x1c0
[  818.225218]  ? handle_mm_fault+0x42a/0xc70
[  818.229474]  ? lock_downgrade+0x900/0x900
[  818.233636]  ? check_preemption_disabled+0x48/0x280
[  818.238668]  ? kasan_check_read+0x11/0x20
[  818.242830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.248117]  ? rcu_read_unlock_special+0x370/0x370
[  818.253058]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.258608]  ? check_preemption_disabled+0x48/0x280
[  818.263641]  handle_mm_fault+0x54f/0xc70
[  818.267720]  ? __handle_mm_fault+0x5be0/0x5be0
[  818.272316]  ? find_vma+0x34/0x190
[  818.275877]  __do_page_fault+0x5d6/0xe40
[  818.279947]  ? trace_hardirqs_off+0xb8/0x310
[  818.284384]  do_page_fault+0xed/0x7d1
[  818.288215]  ? vmalloc_sync_all+0x30/0x30
[  818.292378]  ? error_entry+0x70/0xd0
[  818.296102]  ? trace_hardirqs_off_caller+0xbb/0x300
[  818.301127]  ? trace_hardirqs_on_caller+0xc0/0x310
[  818.306066]  ? syscall_return_slowpath+0x5e0/0x5e0
[  818.311051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  818.315909]  ? trace_hardirqs_on_caller+0x310/0x310
[  818.320937]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  818.326402]  ? prepare_exit_to_usermode+0x291/0x3b0
[  818.331428]  ? page_fault+0x8/0x30
[  818.334980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  818.339835]  ? page_fault+0x8/0x30
[  818.343385]  page_fault+0x1e/0x30
[  818.346847] RIP: 0033:0x45ddf3
[  818.350063] Code: Bad RIP value.
[  818.353439] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  818.358809] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  818.366088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  818.373365] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  818.380641] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  818.387920] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  818.395243] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  818.395249] warn_alloc_show_mem: 1 callbacks suppressed
[  818.395257] Mem-Info:
[  818.403322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  818.408708] active_anon:129018 inactive_anon:195 isolated_anon:0
[  818.408708]  active_file:12 inactive_file:15 isolated_file:0
[  818.408708]  unevictable:1 dirty:0 writeback:0 unstable:0
[  818.408708]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  818.408708]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  818.408708]  free:13741 free_pcp:161 free_cma:0
[  818.411085] Call Trace:
[  818.420484] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  818.453518]  dump_stack+0x244/0x39d
[  818.456084] 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
[  818.483672]  ? dump_stack_print_info.cold.1+0x20/0x20
[  818.487286] lowmem_reserve[]: 0 2818 6321 6321
[  818.513410]  warn_alloc.cold.116+0xb7/0x1bd
[  818.518577] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  818.523161]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  818.527465] lowmem_reserve[]: 0 0 3503 3503
[  818.554938]  ? lock_downgrade+0x900/0x900
[  818.559765] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  818.564095]  ? trace_hardirqs_off+0xb8/0x310
[  818.568235] lowmem_reserve[]: 0 0 0 0
[  818.597130]  ? trace_hardirqs_off+0xb8/0x310
[  818.601521] 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
[  818.605334]  __alloc_pages_slowpath+0x26fe/0x2e30
[  818.609721] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  818.623274]  ? warn_alloc+0x120/0x120
[  818.628079] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  818.642523]  ? print_usage_bug+0xc0/0xc0
[  818.646313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  818.661569]  ? warn_alloc+0x120/0x120
[  818.665620] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  818.674452]  ? warn_alloc+0x120/0x120
[  818.678239] 296 total pagecache pages
[  818.686836]  ? print_usage_bug+0xc0/0xc0
[  818.690628] 0 pages in swap cache
[  818.694423]  ? print_usage_bug+0xc0/0xc0
[  818.698473] Swap cache stats: add 0, delete 0, find 0/0
[  818.701929]  ? __lock_acquire+0x62f/0x4c20
[  818.705974] Free swap  = 0kB
[  818.711343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  818.715557] Total swap = 0kB
[  818.718582]  ? should_fail+0x22d/0xd01
[  818.724102] 1965979 pages RAM
[  818.727124]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  818.731052] 0 pages HighMem/MovableOnly
[  818.734161]  ? __lock_acquire+0x62f/0x4c20
[  818.739252] 342854 pages reserved
[  818.743236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  818.747455] 0 pages cma reserved
[  818.750912]  ? __lock_acquire+0x62f/0x4c20
[  818.756113] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  818.759360]  ? should_fail+0x22d/0xd01
[  818.759374]  ? find_held_lock+0x36/0x1c0
[  818.759397]  ? mark_held_locks+0x130/0x130
[  818.763686] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  818.770115]  ? mark_held_locks+0x130/0x130
[  818.773994] syz-fuzzer cpuset=/ mems_allowed=0
[  818.778057]  ? graph_lock+0x270/0x270
[  818.805110]  ? mark_held_locks+0xc7/0x130
[  818.809267]  ? do_raw_spin_unlock+0xa7/0x330
[  818.813687]  ? graph_lock+0x270/0x270
[  818.817496]  ? print_usage_bug+0xc0/0xc0
[  818.821572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.827122]  ? check_preemption_disabled+0x48/0x280
[  818.832159]  ? __lock_is_held+0xb5/0x140
[  818.836259]  __alloc_pages_nodemask+0xa7b/0xdd0
[  818.840936]  ? graph_lock+0x270/0x270
[  818.844768]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  818.849805]  ? find_held_lock+0x36/0x1c0
[  818.853892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  818.858573]  ? lock_downgrade+0x900/0x900
[  818.862740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.868298]  cache_grow_begin+0xa5/0x8c0
[  818.872369]  ? do_raw_spin_unlock+0xa7/0x330
[  818.876796]  fallback_alloc+0x204/0x2e0
[  818.880789]  ____cache_alloc_node+0x1c7/0x1e0
[  818.885305]  kmem_cache_alloc_node+0xe3/0x730
[  818.889811]  ? ipv6_get_ifaddr+0x42e/0x620
[  818.894066]  __alloc_skb+0x114/0x770
[  818.897790]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  818.903084]  ? netdev_alloc_frag+0x1f0/0x1f0
[  818.907506]  ? lock_downgrade+0x900/0x900
[  818.911673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  818.917238]  ? refcount_sub_and_test_checked+0x203/0x310
[  818.922704]  ? refcount_dec_if_one+0x180/0x180
[  818.927298]  ? addrconf_rs_timer+0x690/0x690
[  818.931731]  ndisc_alloc_skb+0x144/0x340
[  818.935808]  ndisc_send_rs+0x331/0x6e0
[  818.939738]  addrconf_rs_timer+0x314/0x690
[  818.944548]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  818.948806]  call_timer_fn+0x26d/0x920
[  818.952705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  818.956952]  ? process_timeout+0x40/0x40
[  818.961031]  ? __run_timers+0x7d5/0xc60
[  818.965025]  ? _raw_spin_unlock_irq+0x27/0x80
[  818.969529]  ? _raw_spin_unlock_irq+0x27/0x80
[  818.974035]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  818.978279]  ? lockdep_hardirqs_on+0x296/0x5b0
[  818.982874]  ? trace_hardirqs_on+0xbd/0x310
[  818.987229]  ? kasan_check_read+0x11/0x20
[  818.991387]  ? __run_timers+0x7d5/0xc60
[  818.995371]  ? trace_hardirqs_off_caller+0x300/0x300
[  819.000535]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.004786]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.009030]  __run_timers+0x7e0/0xc60
[  819.012851]  ? timer_fixup_init+0x70/0x70
[  819.017014]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.021520]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.026024]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  819.030620]  ? trace_hardirqs_on+0xbd/0x310
[  819.034949]  ? kasan_check_read+0x11/0x20
[  819.039112]  ? finish_task_switch+0x1f4/0x920
[  819.043618]  ? trace_hardirqs_off_caller+0x300/0x300
[  819.048736]  ? compat_start_thread+0x80/0x80
[  819.053203]  ? pvclock_read_flags+0x160/0x160
[  819.057711]  ? __switch_to_asm+0x34/0x70
[  819.061786]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.067334]  ? check_preemption_disabled+0x48/0x280
[  819.072371]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  819.078107]  ? rcu_pm_notify+0xc0/0xc0
[  819.082010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.087556]  ? check_preemption_disabled+0x48/0x280
[  819.092586]  run_timer_softirq+0x52/0xb0
[  819.096672]  ? rcu_read_lock_sched_held+0x14f/0x180
[  819.101735]  __do_softirq+0x308/0xb7e
[  819.105553]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  819.110342]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  819.115465]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  819.120258]  ? trace_hardirqs_off+0xb8/0x310
[  819.124682]  ? smpboot_thread_fn+0x68b/0xa00
[  819.129104]  ? trace_hardirqs_on+0x310/0x310
[  819.133523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.139129]  ? check_preemption_disabled+0x48/0x280
[  819.144226]  ? takeover_tasklets+0xa90/0xa90
[  819.148670]  run_ksoftirqd+0x5e/0x100
[  819.152482]  smpboot_thread_fn+0x68b/0xa00
[  819.156735]  ? sort_range+0x30/0x30
[  819.160375]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  819.165490]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.171042]  ? __kthread_parkme+0xfb/0x1a0
[  819.175291]  ? sort_range+0x30/0x30
[  819.178928]  kthread+0x35a/0x440
[  819.182307]  ? kthread_stop+0x8f0/0x8f0
[  819.186296]  ret_from_fork+0x3a/0x50
[  819.190039] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  819.190147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  819.198282] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  819.198291] Call Trace:
[  819.204879] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  819.214132]  <IRQ>
[  819.216716] ksoftirqd/0 cpuset=/ mems_allowed=0
[  819.227030]  dump_stack+0x244/0x39d
[  819.237486]  ? dump_stack_print_info.cold.1+0x20/0x20
[  819.242707]  warn_alloc.cold.116+0xb7/0x1bd
[  819.247045]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  819.251901]  ? lock_downgrade+0x900/0x900
[  819.256069]  ? trace_hardirqs_off+0xb8/0x310
[  819.260493]  ? trace_hardirqs_off+0xb8/0x310
[  819.264969]  __alloc_pages_slowpath+0x26fe/0x2e30
[  819.269854]  ? warn_alloc+0x120/0x120
[  819.273667]  ? print_usage_bug+0xc0/0xc0
[  819.277745]  ? warn_alloc+0x120/0x120
[  819.281565]  ? warn_alloc+0x120/0x120
[  819.285377]  ? print_usage_bug+0xc0/0xc0
[  819.289453]  ? print_usage_bug+0xc0/0xc0
[  819.293530]  ? __lock_acquire+0x62f/0x4c20
[  819.297784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.303330]  ? should_fail+0x22d/0xd01
[  819.307240]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  819.312405]  ? __lock_acquire+0x62f/0x4c20
[  819.316658]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  819.321779]  ? __lock_acquire+0x62f/0x4c20
[  819.326020]  ? should_fail+0x22d/0xd01
[  819.329919]  ? find_held_lock+0x36/0x1c0
[  819.333999]  ? mark_held_locks+0x130/0x130
[  819.338250]  ? mark_held_locks+0x130/0x130
[  819.342493]  ? graph_lock+0x270/0x270
[  819.346307]  ? graph_lock+0x270/0x270
[  819.350120]  ? print_usage_bug+0xc0/0xc0
[  819.354207]  ? do_raw_spin_unlock+0xa7/0x330
[  819.358626]  ? graph_lock+0x270/0x270
[  819.362438]  ? print_usage_bug+0xc0/0xc0
[  819.366514]  ? wq_watchdog_touch+0x9c/0xfe
[  819.370766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.376315]  ? check_preemption_disabled+0x48/0x280
[  819.381352]  ? __lock_is_held+0xb5/0x140
[  819.385430]  __alloc_pages_nodemask+0xa7b/0xdd0
[  819.390113]  ? graph_lock+0x270/0x270
[  819.393928]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  819.398966]  ? find_held_lock+0x36/0x1c0
[  819.403048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  819.407729]  ? lock_downgrade+0x900/0x900
[  819.411908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.417461]  cache_grow_begin+0xa5/0x8c0
[  819.421535]  ? do_raw_spin_unlock+0xa7/0x330
[  819.425960]  fallback_alloc+0x204/0x2e0
[  819.429956]  ____cache_alloc_node+0x1c7/0x1e0
[  819.434467]  kmem_cache_alloc_node+0xe3/0x730
[  819.438974]  ? ipv6_get_ifaddr+0x42e/0x620
[  819.443245]  __alloc_skb+0x114/0x770
[  819.446966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  819.452257]  ? netdev_alloc_frag+0x1f0/0x1f0
[  819.456675]  ? lock_downgrade+0x900/0x900
[  819.460850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.466399]  ? refcount_sub_and_test_checked+0x203/0x310
[  819.471863]  ? refcount_dec_if_one+0x180/0x180
[  819.476479]  ? addrconf_rs_timer+0x690/0x690
[  819.480912]  ndisc_alloc_skb+0x144/0x340
[  819.484989]  ndisc_send_rs+0x331/0x6e0
[  819.488892]  addrconf_rs_timer+0x314/0x690
[  819.493143]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.497421]  call_timer_fn+0x26d/0x920
[  819.501317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.505561]  ? process_timeout+0x40/0x40
[  819.509642]  ? mark_held_locks+0xc7/0x130
[  819.513805]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.518320]  ? _raw_spin_unlock_irq+0x27/0x80
[  819.522831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.527080]  ? lockdep_hardirqs_on+0x296/0x5b0
[  819.531676]  ? trace_hardirqs_on+0xbd/0x310
[  819.536032]  ? kasan_check_read+0x11/0x20
[  819.540242]  ? __run_timers+0x7d5/0xc60
[  819.544243]  ? trace_hardirqs_off_caller+0x300/0x300
[  819.549361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.553628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  819.557884]  __run_timers+0x7e0/0xc60
[  819.561757]  ? timer_fixup_init+0x70/0x70
[  819.565931]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  819.570992]  ? graph_lock+0x270/0x270
[  819.574810]  ? print_usage_bug+0xc0/0xc0
[  819.578884]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  819.584142]  ? find_held_lock+0x36/0x1c0
[  819.588245]  ? graph_lock+0x270/0x270
[  819.592062]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.597609]  ? check_preemption_disabled+0x48/0x280
[  819.602649]  ? __lock_is_held+0xb5/0x140
[  819.606756]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.612302]  ? check_preemption_disabled+0x48/0x280
[  819.617333]  run_timer_softirq+0x52/0xb0
[  819.621413]  ? rcu_read_lock_sched_held+0x14f/0x180
[  819.626440]  __do_softirq+0x308/0xb7e
[  819.630259]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  819.634764]  ? lock_downgrade+0x900/0x900
[  819.638957]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  819.644095]  ? pvclock_read_flags+0x160/0x160
[  819.648603]  ? lapic_next_event+0x5a/0x90
[  819.652769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.658324]  ? kvm_clock_read+0x18/0x30
[  819.662310]  ? kvm_sched_clock_read+0x9/0x20
[  819.666733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  819.672283]  ? check_preemption_disabled+0x48/0x280
[  819.677319]  irq_exit+0x17f/0x1c0
[  819.680781]  smp_apic_timer_interrupt+0x1cb/0x760
[  819.685635]  ? smp_reschedule_interrupt+0x109/0x650
[  819.690664]  ? smp_call_function_single_interrupt+0x640/0x640
[  819.696565]  ? interrupt_entry+0xb5/0xc0
[  819.700639]  ? trace_hardirqs_off_caller+0xbb/0x300
[  819.705664]  ? trace_hardirqs_off_caller+0xbb/0x300
[  819.710706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  819.715563]  ? trace_hardirqs_on_caller+0x310/0x310
[  819.720587]  ? trace_hardirqs_on_caller+0x310/0x310
[  819.725624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  819.730573]  apic_timer_interrupt+0xf/0x20
[  819.734809]  </IRQ>
[  819.737058] RIP: 0010:dump_stack+0x358/0x39d
[  819.741481] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  819.760389] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  819.768104] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  819.775384] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  819.782658] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  819.789941] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  819.797233] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  819.804527]  ? dump_stack+0x34f/0x39d
[  819.808349]  ? dump_stack_print_info.cold.1+0x20/0x20
[  819.813552]  ? mark_held_locks+0x130/0x130
[  819.817801]  ? mark_held_locks+0x130/0x130
[  819.823443]  dump_header+0x27b/0xf72
[  819.827200]  ? pagefault_out_of_memory+0x197/0x197
[  819.832148]  ? mark_held_locks+0x130/0x130
[  819.836411]  ? __lock_acquire+0x62f/0x4c20
[  819.840669]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  819.845444]  ? print_usage_bug+0xc0/0xc0
[  819.849520]  ? graph_lock+0x270/0x270
[  819.853327]  ? graph_lock+0x270/0x270
[  819.857140]  ? print_usage_bug+0xc0/0xc0
[  819.861231]  ? print_usage_bug+0xc0/0xc0
[  819.865302]  ? graph_lock+0x270/0x270
[  819.869115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  819.874718]  ? find_held_lock+0x36/0x1c0
[  819.878802]  ? mark_held_locks+0xc7/0x130
[  819.882968]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  819.888084]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  819.893215]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  819.897810]  ? trace_hardirqs_on+0xbd/0x310
[  819.902141]  ? kasan_check_read+0x11/0x20
[  819.906301]  ? ___ratelimit+0x3b4/0x672
[  819.910292]  ? trace_hardirqs_off_caller+0x300/0x300
[  819.915409]  ? trace_hardirqs_on+0x310/0x310
[  819.919830]  ? lock_downgrade+0x900/0x900
[  819.923997]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  819.929109]  ? ___ratelimit+0x3b9/0x672
[  819.933095]  ? idr_get_free+0xf70/0xf70
[  819.937079]  ? kasan_check_read+0x11/0x20
[  819.941249]  ? do_raw_spin_unlock+0xa7/0x330
[  819.945673]  oom_kill_process.cold.27+0x10/0x903
[  819.950455]  ? graph_lock+0x270/0x270
[  819.954269]  ? _raw_spin_unlock+0x2c/0x50
[  819.958431]  ? oom_badness+0xe6/0xaa0
[  819.962255]  ? oom_evaluate_task+0x540/0x540
[  819.966726]  ? find_held_lock+0x36/0x1c0
[  819.970811]  ? out_of_memory+0x96f/0x1430
[  819.974969]  ? lock_downgrade+0x900/0x900
[  819.979127]  ? check_preemption_disabled+0x48/0x280
[  819.984158]  ? kasan_check_read+0x11/0x20
[  819.988338]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  819.993627]  ? rcu_read_unlock_special+0x370/0x370
[  819.998571]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  820.003593]  ? oom_evaluate_task+0x302/0x540
[  820.008019]  out_of_memory+0xa7f/0x1430
[  820.012010]  ? oom_killer_disable+0x3a0/0x3a0
[  820.016518]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  820.021463]  ? __ww_mutex_check_waiters+0x160/0x160
[  820.026501]  __alloc_pages_slowpath+0x236a/0x2e30
[  820.031400]  ? warn_alloc+0x120/0x120
[  820.035224]  ? mark_held_locks+0x130/0x130
[  820.039479]  ? find_get_entry+0xaae/0x1120
[  820.043734]  ? filemap_map_pages+0x1a20/0x1a20
[  820.048334]  ? graph_lock+0x270/0x270
[  820.052150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.057718]  ? check_preemption_disabled+0x48/0x280
[  820.062750]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.068297]  ? should_fail+0x22d/0xd01
[  820.072219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  820.077337]  ? graph_lock+0x270/0x270
[  820.081172]  ? __lock_is_held+0xb5/0x140
[  820.085276]  ? mark_held_locks+0x130/0x130
[  820.089525]  ? lock_release+0xa10/0xa10
[  820.093515]  ? perf_trace_sched_process_exec+0x860/0x860
[  820.098991]  ? xa_load+0x2ba/0x460
[  820.102543]  ? lock_downgrade+0x900/0x900
[  820.106711]  ? __might_sleep+0x95/0x190
[  820.110707]  __alloc_pages_nodemask+0xa7b/0xdd0
[  820.115394]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  820.120423]  ? __page_cache_alloc+0x177/0x570
[  820.124929]  ? xa_load+0x2e1/0x460
[  820.128482]  ? xa_clear_mark+0x40/0x40
[  820.132384]  ? graph_lock+0x270/0x270
[  820.136223]  ? graph_lock+0x270/0x270
[  820.140034]  ? graph_lock+0x270/0x270
[  820.143844]  ? __do_page_cache_readahead+0x663/0x810
[  820.148964]  ? find_held_lock+0x36/0x1c0
[  820.153040]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  820.158596]  alloc_pages_current+0x173/0x350
[  820.163023]  __page_cache_alloc+0x3ce/0x570
[  820.167355]  ? kasan_check_read+0x11/0x20
[  820.171511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.176802]  ? generic_perform_write+0x6a0/0x6a0
[  820.181574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.187159]  ? check_preemption_disabled+0x48/0x280
[  820.192232]  filemap_fault+0x1595/0x25f0
[  820.196317]  ? __lock_page_or_retry+0xa00/0xa00
[  820.201002]  ? mark_held_locks+0x130/0x130
[  820.205259]  ? filemap_map_pages+0xd6b/0x1a20
[  820.209769]  ? lock_downgrade+0x900/0x900
[  820.213927]  ? check_preemption_disabled+0x48/0x280
[  820.218959]  ? kasan_check_read+0x11/0x20
[  820.223115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.228402]  ? rcu_read_unlock_special+0x370/0x370
[  820.233356]  ? filemap_map_pages+0xd92/0x1a20
[  820.237874]  ? find_get_entries_tag+0x1400/0x1400
[  820.242730]  ? debug_object_destroy+0x2b0/0x2b0
[  820.247414]  ? lock_pi_update_atomic+0x150/0x150
[  820.252197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.257760]  ? lock_acquire+0x1ed/0x520
[  820.261748]  ? ext4_filemap_fault+0x7a/0xad
[  820.266085]  ? lock_release+0xa10/0xa10
[  820.270068]  ? perf_trace_sched_process_exec+0x860/0x860
[  820.275529]  ? print_usage_bug+0xc0/0xc0
[  820.279603]  ? print_usage_bug+0xc0/0xc0
[  820.283684]  ? down_read+0x8d/0x120
[  820.287325]  ? ext4_filemap_fault+0x7a/0xad
[  820.291662]  ? __down_interruptible+0x700/0x700
[  820.296361]  ext4_filemap_fault+0x82/0xad
[  820.300529]  __do_fault+0x100/0x6b0
[  820.304161]  ? do_futex+0x1df/0x26d0
[  820.307913]  ? pmd_devmap_trans_unstable+0x220/0x220
[  820.313050]  ? mark_held_locks+0x130/0x130
[  820.317304]  ? mark_held_locks+0x130/0x130
[  820.321634]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.327208]  __handle_mm_fault+0x3ea0/0x5be0
[  820.331631]  ? perf_trace_lock+0x7a0/0x7a0
[  820.335884]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  820.340751]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  820.345359]  ? graph_lock+0x270/0x270
[  820.349168]  ? graph_lock+0x270/0x270
[  820.352997]  ? __x64_sys_futex+0x53e/0x6a0
[  820.357252]  ? find_held_lock+0x36/0x1c0
[  820.361380]  ? handle_mm_fault+0x42a/0xc70
[  820.365628]  ? lock_downgrade+0x900/0x900
[  820.369784]  ? check_preemption_disabled+0x48/0x280
[  820.374817]  ? kasan_check_read+0x11/0x20
[  820.378975]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  820.384267]  ? rcu_read_unlock_special+0x370/0x370
[  820.389226]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.394773]  ? check_preemption_disabled+0x48/0x280
[  820.399809]  handle_mm_fault+0x54f/0xc70
[  820.403883]  ? __handle_mm_fault+0x5be0/0x5be0
[  820.408482]  ? find_vma+0x34/0x190
[  820.412044]  __do_page_fault+0x5d6/0xe40
[  820.416114]  ? trace_hardirqs_off+0xb8/0x310
[  820.420545]  do_page_fault+0xed/0x7d1
[  820.424357]  ? vmalloc_sync_all+0x30/0x30
[  820.428515]  ? error_entry+0x70/0xd0
[  820.432244]  ? trace_hardirqs_off_caller+0xbb/0x300
[  820.437270]  ? trace_hardirqs_on_caller+0xc0/0x310
[  820.442225]  ? syscall_return_slowpath+0x5e0/0x5e0
[  820.447165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  820.452041]  ? trace_hardirqs_on_caller+0x310/0x310
[  820.457065]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  820.462529]  ? prepare_exit_to_usermode+0x291/0x3b0
[  820.467556]  ? page_fault+0x8/0x30
[  820.471110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  820.475987]  ? page_fault+0x8/0x30
[  820.479542]  page_fault+0x1e/0x30
[  820.483003] RIP: 0033:0x45ddf3
[  820.486239] Code: Bad RIP value.
[  820.489612] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  820.494984] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  820.502263] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  820.509541] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  820.516862] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  820.524141] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  820.531448] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  820.531453] warn_alloc_show_mem: 1 callbacks suppressed
[  820.531460] Mem-Info:
[  820.539524] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  820.544906] active_anon:129018 inactive_anon:195 isolated_anon:0
[  820.544906]  active_file:12 inactive_file:15 isolated_file:0
[  820.544906]  unevictable:1 dirty:0 writeback:0 unstable:0
[  820.544906]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  820.544906]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  820.544906]  free:13741 free_pcp:161 free_cma:0
[  820.547287] Call Trace:
[  820.556686] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  820.589734]  dump_stack+0x244/0x39d
[  820.592315] 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
[  820.619946]  ? dump_stack_print_info.cold.1+0x20/0x20
[  820.623559] lowmem_reserve[]: 0 2818 6321 6321
[  820.649685]  warn_alloc.cold.116+0xb7/0x1bd
[  820.654860] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  820.659450]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  820.663759] lowmem_reserve[]: 0 0 3503 3503
[  820.691177]  ? lock_downgrade+0x900/0x900
[  820.696021] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  820.700350]  ? trace_hardirqs_off+0xb8/0x310
[  820.704481] lowmem_reserve[]: 0 0 0 0
[  820.733373]  ? trace_hardirqs_off+0xb8/0x310
[  820.737767] 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
[  820.741575]  __alloc_pages_slowpath+0x26fe/0x2e30
[  820.745963] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  820.759514]  ? warn_alloc+0x120/0x120
[  820.764321] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  820.778716]  ? print_usage_bug+0xc0/0xc0
[  820.782506] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  820.797760]  ? warn_alloc+0x120/0x120
[  820.801813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  820.810648]  ? warn_alloc+0x120/0x120
[  820.814438] 296 total pagecache pages
[  820.823061]  ? print_usage_bug+0xc0/0xc0
[  820.826860] 0 pages in swap cache
[  820.830654]  ? print_usage_bug+0xc0/0xc0
[  820.834703] Swap cache stats: add 0, delete 0, find 0/0
[  820.838157]  ? __lock_acquire+0x62f/0x4c20
[  820.842225] Free swap  = 0kB
[  820.847594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  820.851818] Total swap = 0kB
[  820.854845]  ? should_fail+0x22d/0xd01
[  820.860367] 1965979 pages RAM
[  820.863390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  820.867312] 0 pages HighMem/MovableOnly
[  820.870423]  ? __lock_acquire+0x62f/0x4c20
[  820.875518] 342854 pages reserved
[  820.879513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  820.883733] 0 pages cma reserved
[  820.887218]  ? __lock_acquire+0x62f/0x4c20
[  820.892388] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  820.895687]  ? should_fail+0x22d/0xd01
[  820.900046] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  820.906423]  ? find_held_lock+0x36/0x1c0
[  820.910299] syz-fuzzer cpuset=/ mems_allowed=0
[  820.921593]  ? mark_held_locks+0x130/0x130
[  820.934497]  ? mark_held_locks+0x130/0x130
[  820.938748]  ? graph_lock+0x270/0x270
[  820.943086]  ? mark_held_locks+0xc7/0x130
[  820.947248]  ? do_raw_spin_unlock+0xa7/0x330
[  820.951677]  ? graph_lock+0x270/0x270
[  820.955492]  ? print_usage_bug+0xc0/0xc0
[  820.959571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  820.965127]  ? check_preemption_disabled+0x48/0x280
[  820.970171]  ? __lock_is_held+0xb5/0x140
[  820.974278]  __alloc_pages_nodemask+0xa7b/0xdd0
[  820.978961]  ? graph_lock+0x270/0x270
[  820.982781]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  820.987826]  ? find_held_lock+0x36/0x1c0
[  820.991913]  ? ____cache_alloc_node+0x1c7/0x1e0
[  820.996604]  ? lock_downgrade+0x900/0x900
[  821.000777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.006341]  cache_grow_begin+0xa5/0x8c0
[  821.010418]  ? do_raw_spin_unlock+0xa7/0x330
[  821.014848]  fallback_alloc+0x204/0x2e0
[  821.018841]  ____cache_alloc_node+0x1c7/0x1e0
[  821.023356]  kmem_cache_alloc_node+0xe3/0x730
[  821.027862]  ? ipv6_get_ifaddr+0x42e/0x620
[  821.032121]  __alloc_skb+0x114/0x770
[  821.035854]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  821.041145]  ? netdev_alloc_frag+0x1f0/0x1f0
[  821.045587]  ? lock_downgrade+0x900/0x900
[  821.049760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.055312]  ? refcount_sub_and_test_checked+0x203/0x310
[  821.060783]  ? refcount_dec_if_one+0x180/0x180
[  821.065375]  ? addrconf_rs_timer+0x690/0x690
[  821.069806]  ndisc_alloc_skb+0x144/0x340
[  821.074045]  ndisc_send_rs+0x331/0x6e0
[  821.077952]  addrconf_rs_timer+0x314/0x690
[  821.082224]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.086485]  call_timer_fn+0x26d/0x920
[  821.090382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.094627]  ? process_timeout+0x40/0x40
[  821.098704]  ? __run_timers+0x7d5/0xc60
[  821.102741]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.107252]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.111754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.116001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  821.120595]  ? trace_hardirqs_on+0xbd/0x310
[  821.124926]  ? kasan_check_read+0x11/0x20
[  821.129082]  ? __run_timers+0x7d5/0xc60
[  821.133068]  ? trace_hardirqs_off_caller+0x300/0x300
[  821.138207]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.142458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.146701]  __run_timers+0x7e0/0xc60
[  821.150522]  ? timer_fixup_init+0x70/0x70
[  821.154683]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.159213]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.163722]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  821.168403]  ? trace_hardirqs_on+0xbd/0x310
[  821.172734]  ? kasan_check_read+0x11/0x20
[  821.176898]  ? finish_task_switch+0x1f4/0x920
[  821.181406]  ? trace_hardirqs_off_caller+0x300/0x300
[  821.186521]  ? compat_start_thread+0x80/0x80
[  821.190965]  ? pvclock_read_flags+0x160/0x160
[  821.195469]  ? __switch_to_asm+0x34/0x70
[  821.199546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.205091]  ? check_preemption_disabled+0x48/0x280
[  821.210125]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  821.215679]  ? rcu_pm_notify+0xc0/0xc0
[  821.219580]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.225133]  ? check_preemption_disabled+0x48/0x280
[  821.230164]  run_timer_softirq+0x52/0xb0
[  821.234261]  ? rcu_read_lock_sched_held+0x14f/0x180
[  821.239287]  __do_softirq+0x308/0xb7e
[  821.243104]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  821.247877]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  821.253000]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  821.257780]  ? trace_hardirqs_off+0xb8/0x310
[  821.262220]  ? smpboot_thread_fn+0x68b/0xa00
[  821.266641]  ? trace_hardirqs_on+0x310/0x310
[  821.271062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.276607]  ? check_preemption_disabled+0x48/0x280
[  821.281680]  ? takeover_tasklets+0xa90/0xa90
[  821.286103]  run_ksoftirqd+0x5e/0x100
[  821.289914]  smpboot_thread_fn+0x68b/0xa00
[  821.294163]  ? sort_range+0x30/0x30
[  821.297826]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  821.302940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.308493]  ? __kthread_parkme+0xfb/0x1a0
[  821.312747]  ? sort_range+0x30/0x30
[  821.316383]  kthread+0x35a/0x440
[  821.319764]  ? kthread_stop+0x8f0/0x8f0
[  821.323754]  ret_from_fork+0x3a/0x50
[  821.327498] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  821.327594] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  821.335736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  821.335741] Call Trace:
[  821.335748]  <IRQ>
[  821.335766]  dump_stack+0x244/0x39d
[  821.335785]  ? dump_stack_print_info.cold.1+0x20/0x20
[  821.342364] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  821.351640]  warn_alloc.cold.116+0xb7/0x1bd
[  821.354227] ksoftirqd/0 cpuset=/ mems_allowed=0
[  821.356382]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  821.389320]  ? lock_downgrade+0x900/0x900
[  821.393493]  ? trace_hardirqs_off+0xb8/0x310
[  821.397918]  ? trace_hardirqs_off+0xb8/0x310
[  821.402350]  __alloc_pages_slowpath+0x26fe/0x2e30
[  821.407248]  ? warn_alloc+0x120/0x120
[  821.411065]  ? print_usage_bug+0xc0/0xc0
[  821.415138]  ? warn_alloc+0x120/0x120
[  821.418954]  ? warn_alloc+0x120/0x120
[  821.422766]  ? print_usage_bug+0xc0/0xc0
[  821.426842]  ? kvm_clock_read+0x18/0x30
[  821.430826]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  821.435852]  ? print_usage_bug+0xc0/0xc0
[  821.439924]  ? __lock_acquire+0x62f/0x4c20
[  821.444178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.449796]  ? should_fail+0x22d/0xd01
[  821.453701]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  821.458813]  ? __lock_acquire+0x62f/0x4c20
[  821.463060]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  821.468172]  ? __lock_acquire+0x62f/0x4c20
[  821.472441]  ? should_fail+0x22d/0xd01
[  821.476351]  ? mark_held_locks+0x130/0x130
[  821.480603]  ? mark_held_locks+0x130/0x130
[  821.484856]  ? graph_lock+0x270/0x270
[  821.488665]  ? print_usage_bug+0xc0/0xc0
[  821.492744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.498293]  ? check_preemption_disabled+0x48/0x280
[  821.503333]  ? __lock_is_held+0xb5/0x140
[  821.507419]  __alloc_pages_nodemask+0xa7b/0xdd0
[  821.512101]  ? graph_lock+0x270/0x270
[  821.515917]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  821.520954]  ? find_held_lock+0x36/0x1c0
[  821.525219]  ? ____cache_alloc_node+0x1c7/0x1e0
[  821.529902]  ? lock_downgrade+0x900/0x900
[  821.534071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.539629]  cache_grow_begin+0xa5/0x8c0
[  821.543711]  ? do_raw_spin_unlock+0xa7/0x330
[  821.548138]  fallback_alloc+0x204/0x2e0
[  821.552132]  ____cache_alloc_node+0x1c7/0x1e0
[  821.556645]  kmem_cache_alloc_node+0xe3/0x730
[  821.561150]  ? ipv6_get_ifaddr+0x42e/0x620
[  821.565423]  __alloc_skb+0x114/0x770
[  821.569150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  821.574460]  ? netdev_alloc_frag+0x1f0/0x1f0
[  821.578880]  ? lock_downgrade+0x900/0x900
[  821.583050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.588600]  ? refcount_sub_and_test_checked+0x203/0x310
[  821.594067]  ? refcount_dec_if_one+0x180/0x180
[  821.598658]  ? addrconf_rs_timer+0x690/0x690
[  821.603093]  ndisc_alloc_skb+0x144/0x340
[  821.607169]  ndisc_send_rs+0x331/0x6e0
[  821.611093]  addrconf_rs_timer+0x314/0x690
[  821.615345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.619599]  call_timer_fn+0x26d/0x920
[  821.623503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.627748]  ? process_timeout+0x40/0x40
[  821.631826]  ? mark_held_locks+0xc7/0x130
[  821.636003]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.640514]  ? _raw_spin_unlock_irq+0x27/0x80
[  821.645020]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.649268]  ? lockdep_hardirqs_on+0x296/0x5b0
[  821.653863]  ? trace_hardirqs_on+0xbd/0x310
[  821.658216]  ? kasan_check_read+0x11/0x20
[  821.662378]  ? __run_timers+0x7d5/0xc60
[  821.666366]  ? trace_hardirqs_off_caller+0x300/0x300
[  821.671494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  821.675742]  __run_timers+0x7e0/0xc60
[  821.679566]  ? timer_fixup_init+0x70/0x70
[  821.683730]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  821.688761]  ? graph_lock+0x270/0x270
[  821.692576]  ? print_usage_bug+0xc0/0xc0
[  821.696649]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  821.701856]  ? find_held_lock+0x36/0x1c0
[  821.705932]  ? graph_lock+0x270/0x270
[  821.709749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.715295]  ? check_preemption_disabled+0x48/0x280
[  821.720333]  ? __lock_is_held+0xb5/0x140
[  821.724413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.729958]  ? check_preemption_disabled+0x48/0x280
[  821.734994]  run_timer_softirq+0x52/0xb0
[  821.739071]  ? rcu_read_lock_sched_held+0x14f/0x180
[  821.744097]  __do_softirq+0x308/0xb7e
[  821.747933]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  821.752528]  ? lock_downgrade+0x900/0x900
[  821.756696]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  821.761818]  ? pvclock_read_flags+0x160/0x160
[  821.766327]  ? lapic_next_event+0x5a/0x90
[  821.770533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.776089]  ? kvm_clock_read+0x18/0x30
[  821.780074]  ? kvm_sched_clock_read+0x9/0x20
[  821.784498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  821.790043]  ? check_preemption_disabled+0x48/0x280
[  821.795079]  irq_exit+0x17f/0x1c0
[  821.798546]  smp_apic_timer_interrupt+0x1cb/0x760
[  821.803395]  ? smp_reschedule_interrupt+0x109/0x650
[  821.808428]  ? smp_call_function_single_interrupt+0x640/0x640
[  821.814323]  ? interrupt_entry+0xb5/0xc0
[  821.818396]  ? trace_hardirqs_off_caller+0xbb/0x300
[  821.823423]  ? trace_hardirqs_off_caller+0xbb/0x300
[  821.828452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  821.833354]  ? trace_hardirqs_on_caller+0x310/0x310
[  821.838379]  ? trace_hardirqs_on_caller+0x310/0x310
[  821.843417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  821.848280]  apic_timer_interrupt+0xf/0x20
[  821.852520]  </IRQ>
[  821.854780] RIP: 0010:dump_stack+0x358/0x39d
[  821.859219] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  821.878131] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  821.885851] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  821.893130] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  821.900406] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  821.907688] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  821.914972] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  821.922316]  ? dump_stack+0x34f/0x39d
[  821.926144]  ? dump_stack_print_info.cold.1+0x20/0x20
[  821.931350]  ? mark_held_locks+0x130/0x130
[  821.935597]  ? mark_held_locks+0x130/0x130
[  821.939850]  dump_header+0x27b/0xf72
[  821.943587]  ? pagefault_out_of_memory+0x197/0x197
[  821.948533]  ? mark_held_locks+0x130/0x130
[  821.952778]  ? __lock_acquire+0x62f/0x4c20
[  821.957025]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  821.961795]  ? print_usage_bug+0xc0/0xc0
[  821.965874]  ? graph_lock+0x270/0x270
[  821.969689]  ? graph_lock+0x270/0x270
[  821.973512]  ? print_usage_bug+0xc0/0xc0
[  821.977584]  ? print_usage_bug+0xc0/0xc0
[  821.981658]  ? graph_lock+0x270/0x270
[  821.985479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  821.991030]  ? find_held_lock+0x36/0x1c0
[  821.995111]  ? mark_held_locks+0xc7/0x130
[  821.999279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  822.004411]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  822.009541]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  822.014151]  ? trace_hardirqs_on+0xbd/0x310
[  822.018512]  ? kasan_check_read+0x11/0x20
[  822.022681]  ? ___ratelimit+0x3b4/0x672
[  822.026687]  ? trace_hardirqs_off_caller+0x300/0x300
[  822.031823]  ? trace_hardirqs_on+0x310/0x310
[  822.036261]  ? lock_downgrade+0x900/0x900
[  822.040432]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  822.045545]  ? ___ratelimit+0x3b9/0x672
[  822.049535]  ? idr_get_free+0xf70/0xf70
[  822.053520]  ? kasan_check_read+0x11/0x20
[  822.057732]  ? do_raw_spin_unlock+0xa7/0x330
[  822.062161]  oom_kill_process.cold.27+0x10/0x903
[  822.066953]  ? graph_lock+0x270/0x270
[  822.070771]  ? _raw_spin_unlock+0x2c/0x50
[  822.074931]  ? oom_badness+0xe6/0xaa0
[  822.078751]  ? oom_evaluate_task+0x540/0x540
[  822.083172]  ? find_held_lock+0x36/0x1c0
[  822.087278]  ? out_of_memory+0x96f/0x1430
[  822.091483]  ? lock_downgrade+0x900/0x900
[  822.095642]  ? check_preemption_disabled+0x48/0x280
[  822.100673]  ? kasan_check_read+0x11/0x20
[  822.104838]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  822.110127]  ? rcu_read_unlock_special+0x370/0x370
[  822.115073]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  822.120096]  ? oom_evaluate_task+0x302/0x540
[  822.124521]  out_of_memory+0xa7f/0x1430
[  822.128516]  ? oom_killer_disable+0x3a0/0x3a0
[  822.133023]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  822.137968]  ? __ww_mutex_check_waiters+0x160/0x160
[  822.143006]  __alloc_pages_slowpath+0x236a/0x2e30
[  822.147890]  ? warn_alloc+0x120/0x120
[  822.151705]  ? mark_held_locks+0x130/0x130
[  822.155958]  ? find_get_entry+0xaae/0x1120
[  822.160230]  ? filemap_map_pages+0x1a20/0x1a20
[  822.164833]  ? graph_lock+0x270/0x270
[  822.168651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.174214]  ? check_preemption_disabled+0x48/0x280
[  822.179246]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.184794]  ? should_fail+0x22d/0xd01
[  822.188700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  822.193815]  ? graph_lock+0x270/0x270
[  822.197703]  ? __lock_is_held+0xb5/0x140
[  822.201786]  ? mark_held_locks+0x130/0x130
[  822.206038]  ? lock_release+0xa10/0xa10
[  822.210022]  ? perf_trace_sched_process_exec+0x860/0x860
[  822.215487]  ? xa_load+0x2ba/0x460
[  822.219038]  ? lock_downgrade+0x900/0x900
[  822.223217]  ? __might_sleep+0x95/0x190
[  822.227263]  __alloc_pages_nodemask+0xa7b/0xdd0
[  822.231955]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  822.237027]  ? __page_cache_alloc+0x177/0x570
[  822.241533]  ? xa_load+0x2e1/0x460
[  822.245087]  ? xa_clear_mark+0x40/0x40
[  822.248988]  ? graph_lock+0x270/0x270
[  822.252806]  ? graph_lock+0x270/0x270
[  822.256616]  ? graph_lock+0x270/0x270
[  822.260430]  ? __do_page_cache_readahead+0x663/0x810
[  822.265547]  ? find_held_lock+0x36/0x1c0
[  822.269625]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  822.275214]  alloc_pages_current+0x173/0x350
[  822.279670]  __page_cache_alloc+0x3ce/0x570
[  822.284039]  ? kasan_check_read+0x11/0x20
[  822.288217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  822.293508]  ? generic_perform_write+0x6a0/0x6a0
[  822.298538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.304089]  ? check_preemption_disabled+0x48/0x280
[  822.309121]  filemap_fault+0x1595/0x25f0
[  822.313228]  ? __lock_page_or_retry+0xa00/0xa00
[  822.317912]  ? mark_held_locks+0x130/0x130
[  822.322166]  ? filemap_map_pages+0xd6b/0x1a20
[  822.326702]  ? lock_downgrade+0x900/0x900
[  822.330860]  ? check_preemption_disabled+0x48/0x280
[  822.335893]  ? kasan_check_read+0x11/0x20
[  822.340052]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  822.345341]  ? rcu_read_unlock_special+0x370/0x370
[  822.350301]  ? filemap_map_pages+0xd92/0x1a20
[  822.354822]  ? find_get_entries_tag+0x1400/0x1400
[  822.359677]  ? debug_object_destroy+0x2b0/0x2b0
[  822.364382]  ? lock_pi_update_atomic+0x150/0x150
[  822.369156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  822.374740]  ? lock_acquire+0x1ed/0x520
[  822.378730]  ? ext4_filemap_fault+0x7a/0xad
[  822.383073]  ? lock_release+0xa10/0xa10
[  822.387054]  ? perf_trace_sched_process_exec+0x860/0x860
[  822.392516]  ? print_usage_bug+0xc0/0xc0
[  822.396592]  ? print_usage_bug+0xc0/0xc0
[  822.400681]  ? down_read+0x8d/0x120
[  822.404320]  ? ext4_filemap_fault+0x7a/0xad
[  822.408654]  ? __down_interruptible+0x700/0x700
[  822.413342]  ext4_filemap_fault+0x82/0xad
[  822.417531]  __do_fault+0x100/0x6b0
[  822.421164]  ? do_futex+0x1df/0x26d0
[  822.424898]  ? pmd_devmap_trans_unstable+0x220/0x220
[  822.430012]  ? mark_held_locks+0x130/0x130
[  822.434251]  ? mark_held_locks+0x130/0x130
[  822.438502]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.444045]  __handle_mm_fault+0x3ea0/0x5be0
[  822.448469]  ? perf_trace_lock+0x7a0/0x7a0
[  822.452718]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  822.457574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  822.462174]  ? graph_lock+0x270/0x270
[  822.465989]  ? graph_lock+0x270/0x270
[  822.469818]  ? __x64_sys_futex+0x53e/0x6a0
[  822.474084]  ? find_held_lock+0x36/0x1c0
[  822.478169]  ? handle_mm_fault+0x42a/0xc70
[  822.482428]  ? lock_downgrade+0x900/0x900
[  822.486580]  ? check_preemption_disabled+0x48/0x280
[  822.491634]  ? kasan_check_read+0x11/0x20
[  822.495782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  822.501062]  ? rcu_read_unlock_special+0x370/0x370
[  822.505997]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.511550]  ? check_preemption_disabled+0x48/0x280
[  822.516576]  handle_mm_fault+0x54f/0xc70
[  822.520660]  ? __handle_mm_fault+0x5be0/0x5be0
[  822.525250]  ? find_vma+0x34/0x190
[  822.528803]  __do_page_fault+0x5d6/0xe40
[  822.532865]  ? trace_hardirqs_off+0xb8/0x310
[  822.537287]  do_page_fault+0xed/0x7d1
[  822.541092]  ? vmalloc_sync_all+0x30/0x30
[  822.545241]  ? error_entry+0x70/0xd0
[  822.548958]  ? trace_hardirqs_off_caller+0xbb/0x300
[  822.553971]  ? trace_hardirqs_on_caller+0xc0/0x310
[  822.558899]  ? syscall_return_slowpath+0x5e0/0x5e0
[  822.563829]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.568675]  ? trace_hardirqs_on_caller+0x310/0x310
[  822.573704]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  822.579162]  ? prepare_exit_to_usermode+0x291/0x3b0
[  822.584195]  ? page_fault+0x8/0x30
[  822.587743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  822.592591]  ? page_fault+0x8/0x30
[  822.596133]  page_fault+0x1e/0x30
[  822.599587] RIP: 0033:0x45ddf3
[  822.602811] Code: Bad RIP value.
[  822.606190] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  822.611554] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  822.618818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  822.626085] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  822.633369] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  822.640639] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  822.647936] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  822.647942] warn_alloc_show_mem: 1 callbacks suppressed
[  822.647949] Mem-Info:
[  822.656002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  822.661370] active_anon:129018 inactive_anon:195 isolated_anon:0
[  822.661370]  active_file:12 inactive_file:15 isolated_file:0
[  822.661370]  unevictable:1 dirty:0 writeback:0 unstable:0
[  822.661370]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  822.661370]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  822.661370]  free:13741 free_pcp:161 free_cma:0
[  822.663754] Call Trace:
[  822.673146] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  822.706173]  dump_stack+0x244/0x39d
[  822.708738] 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
[  822.736335]  ? dump_stack_print_info.cold.1+0x20/0x20
[  822.739953] lowmem_reserve[]: 0 2818 6321 6321
[  822.766067]  warn_alloc.cold.116+0xb7/0x1bd
[  822.771243] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  822.775818]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  822.780116] lowmem_reserve[]: 0 0 3503 3503
[  822.807529]  ? lock_downgrade+0x900/0x900
[  822.812344] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  822.816715]  ? trace_hardirqs_off+0xb8/0x310
[  822.820839] lowmem_reserve[]: 0 0 0 0
[  822.849732]  ? trace_hardirqs_off+0xb8/0x310
[  822.854118] 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
[  822.857923]  __alloc_pages_slowpath+0x26fe/0x2e30
[  822.862330] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  822.875884]  ? warn_alloc+0x120/0x120
[  822.880677] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  822.895065]  ? print_usage_bug+0xc0/0xc0
[  822.898846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  822.914095]  ? warn_alloc+0x120/0x120
[  822.918142] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  822.926966]  ? warn_alloc+0x120/0x120
[  822.930742] 296 total pagecache pages
[  822.939311]  ? print_usage_bug+0xc0/0xc0
[  822.943289] 0 pages in swap cache
[  822.947086]  ? print_usage_bug+0xc0/0xc0
[  822.951124] Swap cache stats: add 0, delete 0, find 0/0
[  822.954567]  ? __lock_acquire+0x62f/0x4c20
[  822.958608] Free swap  = 0kB
[  822.963974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  822.968190] Total swap = 0kB
[  822.971253]  ? should_fail+0x22d/0xd01
[  822.976779] 1965979 pages RAM
[  822.979790]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  822.983670] 0 pages HighMem/MovableOnly
[  822.986765]  ? __lock_acquire+0x62f/0x4c20
[  822.991841] 342854 pages reserved
[  822.995825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  823.000046] 0 pages cma reserved
[  823.003496]  ? __lock_acquire+0x62f/0x4c20
[  823.008683] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  823.011942]  ? should_fail+0x22d/0xd01
[  823.011974]  ? find_held_lock+0x36/0x1c0
[  823.016258] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  823.022687]  ? mark_held_locks+0x130/0x130
[  823.026576] syz-fuzzer cpuset=/ mems_allowed=0
[  823.030630]  ? mark_held_locks+0x130/0x130
[  823.053893]  ? graph_lock+0x270/0x270
[  823.057706]  ? mark_held_locks+0xc7/0x130
[  823.061853]  ? do_raw_spin_unlock+0xa7/0x330
[  823.066264]  ? graph_lock+0x270/0x270
[  823.070061]  ? print_usage_bug+0xc0/0xc0
[  823.074273]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.079818]  ? check_preemption_disabled+0x48/0x280
[  823.084859]  ? __lock_is_held+0xb5/0x140
[  823.088974]  __alloc_pages_nodemask+0xa7b/0xdd0
[  823.093640]  ? graph_lock+0x270/0x270
[  823.097476]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  823.102504]  ? find_held_lock+0x36/0x1c0
[  823.106578]  ? ____cache_alloc_node+0x1c7/0x1e0
[  823.111251]  ? lock_downgrade+0x900/0x900
[  823.115421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.121023]  cache_grow_begin+0xa5/0x8c0
[  823.125097]  ? do_raw_spin_unlock+0xa7/0x330
[  823.129513]  fallback_alloc+0x204/0x2e0
[  823.133492]  ____cache_alloc_node+0x1c7/0x1e0
[  823.137990]  kmem_cache_alloc_node+0xe3/0x730
[  823.142485]  ? ipv6_get_ifaddr+0x42e/0x620
[  823.146748]  __alloc_skb+0x114/0x770
[  823.150474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.155753]  ? netdev_alloc_frag+0x1f0/0x1f0
[  823.160161]  ? lock_downgrade+0x900/0x900
[  823.164327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.169865]  ? refcount_sub_and_test_checked+0x203/0x310
[  823.175322]  ? refcount_dec_if_one+0x180/0x180
[  823.179903]  ? addrconf_rs_timer+0x690/0x690
[  823.184371]  ndisc_alloc_skb+0x144/0x340
[  823.188437]  ndisc_send_rs+0x331/0x6e0
[  823.192363]  addrconf_rs_timer+0x314/0x690
[  823.196632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.200877]  call_timer_fn+0x26d/0x920
[  823.204764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.208997]  ? process_timeout+0x40/0x40
[  823.213067]  ? __run_timers+0x7d5/0xc60
[  823.217049]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.221559]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.226064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.230300]  ? lockdep_hardirqs_on+0x296/0x5b0
[  823.234887]  ? trace_hardirqs_on+0xbd/0x310
[  823.239217]  ? kasan_check_read+0x11/0x20
[  823.243367]  ? __run_timers+0x7d5/0xc60
[  823.247347]  ? trace_hardirqs_off_caller+0x300/0x300
[  823.252469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.256710]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.260943]  __run_timers+0x7e0/0xc60
[  823.264756]  ? timer_fixup_init+0x70/0x70
[  823.268908]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.273408]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.277938]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  823.282553]  ? trace_hardirqs_on+0xbd/0x310
[  823.286874]  ? kasan_check_read+0x11/0x20
[  823.291037]  ? finish_task_switch+0x1f4/0x920
[  823.295548]  ? trace_hardirqs_off_caller+0x300/0x300
[  823.300653]  ? compat_start_thread+0x80/0x80
[  823.305088]  ? pvclock_read_flags+0x160/0x160
[  823.309583]  ? __switch_to_asm+0x34/0x70
[  823.313643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.319203]  ? check_preemption_disabled+0x48/0x280
[  823.324235]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  823.329788]  ? rcu_pm_notify+0xc0/0xc0
[  823.333690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.339239]  ? check_preemption_disabled+0x48/0x280
[  823.344281]  run_timer_softirq+0x52/0xb0
[  823.348344]  ? rcu_read_lock_sched_held+0x14f/0x180
[  823.353378]  __do_softirq+0x308/0xb7e
[  823.357212]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  823.361971]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  823.367082]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  823.371866]  ? trace_hardirqs_off+0xb8/0x310
[  823.376277]  ? smpboot_thread_fn+0x68b/0xa00
[  823.380686]  ? trace_hardirqs_on+0x310/0x310
[  823.385125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.390661]  ? check_preemption_disabled+0x48/0x280
[  823.395677]  ? takeover_tasklets+0xa90/0xa90
[  823.400086]  run_ksoftirqd+0x5e/0x100
[  823.403941]  smpboot_thread_fn+0x68b/0xa00
[  823.408207]  ? sort_range+0x30/0x30
[  823.411836]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  823.416942]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.422479]  ? __kthread_parkme+0xfb/0x1a0
[  823.426749]  ? sort_range+0x30/0x30
[  823.430374]  kthread+0x35a/0x440
[  823.433742]  ? kthread_stop+0x8f0/0x8f0
[  823.437731]  ret_from_fork+0x3a/0x50
[  823.441468] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  823.441563] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  823.449702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  823.449707] Call Trace:
[  823.449714]  <IRQ>
[  823.449731]  dump_stack+0x244/0x39d
[  823.449749]  ? dump_stack_print_info.cold.1+0x20/0x20
[  823.456310] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  823.465575]  warn_alloc.cold.116+0xb7/0x1bd
[  823.465591]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  823.468540] ksoftirqd/0 cpuset=/ mems_allowed=0
[  823.470716]  ? lock_downgrade+0x900/0x900
[  823.507952]  ? trace_hardirqs_off+0xb8/0x310
[  823.512374]  ? trace_hardirqs_off+0xb8/0x310
[  823.516796]  __alloc_pages_slowpath+0x26fe/0x2e30
[  823.521671]  ? warn_alloc+0x120/0x120
[  823.525494]  ? print_usage_bug+0xc0/0xc0
[  823.529560]  ? warn_alloc+0x120/0x120
[  823.533380]  ? warn_alloc+0x120/0x120
[  823.537194]  ? print_usage_bug+0xc0/0xc0
[  823.541269]  ? print_usage_bug+0xc0/0xc0
[  823.545336]  ? __lock_acquire+0x62f/0x4c20
[  823.549576]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.555114]  ? should_fail+0x22d/0xd01
[  823.559008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  823.564113]  ? __lock_acquire+0x62f/0x4c20
[  823.568355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  823.573457]  ? __lock_acquire+0x62f/0x4c20
[  823.577688]  ? should_fail+0x22d/0xd01
[  823.581580]  ? find_held_lock+0x36/0x1c0
[  823.585663]  ? mark_held_locks+0x130/0x130
[  823.589907]  ? mark_held_locks+0x130/0x130
[  823.594148]  ? graph_lock+0x270/0x270
[  823.597984]  ? graph_lock+0x270/0x270
[  823.601814]  ? print_usage_bug+0xc0/0xc0
[  823.605876]  ? do_raw_spin_unlock+0xa7/0x330
[  823.610308]  ? graph_lock+0x270/0x270
[  823.614128]  ? print_usage_bug+0xc0/0xc0
[  823.618212]  ? wq_watchdog_touch+0x9c/0xfe
[  823.622470]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.628056]  ? check_preemption_disabled+0x48/0x280
[  823.633084]  ? __lock_is_held+0xb5/0x140
[  823.637154]  __alloc_pages_nodemask+0xa7b/0xdd0
[  823.641829]  ? graph_lock+0x270/0x270
[  823.645637]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  823.650663]  ? find_held_lock+0x36/0x1c0
[  823.654740]  ? ____cache_alloc_node+0x1c7/0x1e0
[  823.659411]  ? lock_downgrade+0x900/0x900
[  823.663570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.669131]  cache_grow_begin+0xa5/0x8c0
[  823.673203]  ? do_raw_spin_unlock+0xa7/0x330
[  823.677637]  fallback_alloc+0x204/0x2e0
[  823.681632]  ____cache_alloc_node+0x1c7/0x1e0
[  823.686133]  kmem_cache_alloc_node+0xe3/0x730
[  823.690628]  ? ipv6_get_ifaddr+0x42e/0x620
[  823.694875]  __alloc_skb+0x114/0x770
[  823.698604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  823.703884]  ? netdev_alloc_frag+0x1f0/0x1f0
[  823.708294]  ? lock_downgrade+0x900/0x900
[  823.712466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.718004]  ? refcount_sub_and_test_checked+0x203/0x310
[  823.723461]  ? refcount_dec_if_one+0x180/0x180
[  823.728125]  ? addrconf_rs_timer+0x690/0x690
[  823.732544]  ndisc_alloc_skb+0x144/0x340
[  823.736610]  ndisc_send_rs+0x331/0x6e0
[  823.740503]  addrconf_rs_timer+0x314/0x690
[  823.744742]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.748988]  call_timer_fn+0x26d/0x920
[  823.752889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.757123]  ? process_timeout+0x40/0x40
[  823.761204]  ? mark_held_locks+0xc7/0x130
[  823.765373]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.769869]  ? _raw_spin_unlock_irq+0x27/0x80
[  823.774361]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.778597]  ? lockdep_hardirqs_on+0x296/0x5b0
[  823.783190]  ? trace_hardirqs_on+0xbd/0x310
[  823.787529]  ? kasan_check_read+0x11/0x20
[  823.791698]  ? __run_timers+0x7d5/0xc60
[  823.795702]  ? trace_hardirqs_off_caller+0x300/0x300
[  823.800808]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.805043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  823.809284]  __run_timers+0x7e0/0xc60
[  823.813161]  ? timer_fixup_init+0x70/0x70
[  823.817335]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  823.822354]  ? graph_lock+0x270/0x270
[  823.826160]  ? print_usage_bug+0xc0/0xc0
[  823.830231]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  823.835427]  ? find_held_lock+0x36/0x1c0
[  823.839495]  ? graph_lock+0x270/0x270
[  823.843300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.848836]  ? check_preemption_disabled+0x48/0x280
[  823.853877]  ? __lock_is_held+0xb5/0x140
[  823.857945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.863502]  ? check_preemption_disabled+0x48/0x280
[  823.868539]  run_timer_softirq+0x52/0xb0
[  823.872601]  ? rcu_read_lock_sched_held+0x14f/0x180
[  823.877616]  __do_softirq+0x308/0xb7e
[  823.881422]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  823.885932]  ? lock_downgrade+0x900/0x900
[  823.890089]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  823.895211]  ? pvclock_read_flags+0x160/0x160
[  823.899728]  ? lapic_next_event+0x5a/0x90
[  823.903879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  823.909425]  ? kvm_clock_read+0x18/0x30
[  823.913400]  ? kvm_sched_clock_read+0x9/0x20
[  823.917814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  823.923369]  ? check_preemption_disabled+0x48/0x280
[  823.928396]  irq_exit+0x17f/0x1c0
[  823.931853]  smp_apic_timer_interrupt+0x1cb/0x760
[  823.936698]  ? smp_reschedule_interrupt+0x109/0x650
[  823.941722]  ? smp_call_function_single_interrupt+0x640/0x640
[  823.947610]  ? interrupt_entry+0xb5/0xc0
[  823.951702]  ? trace_hardirqs_off_caller+0xbb/0x300
[  823.956755]  ? trace_hardirqs_off_caller+0xbb/0x300
[  823.961775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  823.966630]  ? trace_hardirqs_on_caller+0x310/0x310
[  823.971665]  ? trace_hardirqs_on_caller+0x310/0x310
[  823.976711]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  823.981569]  apic_timer_interrupt+0xf/0x20
[  823.985817]  </IRQ>
[  823.988061] RIP: 0010:dump_stack+0x358/0x39d
[  823.992492] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  824.011410] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  824.019136] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  824.026413] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  824.033699] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  824.040990] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  824.048275] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  824.055571]  ? dump_stack+0x34f/0x39d
[  824.059405]  ? dump_stack_print_info.cold.1+0x20/0x20
[  824.064602]  ? mark_held_locks+0x130/0x130
[  824.068839]  ? mark_held_locks+0x130/0x130
[  824.073099]  dump_header+0x27b/0xf72
[  824.076867]  ? pagefault_out_of_memory+0x197/0x197
[  824.081807]  ? mark_held_locks+0x130/0x130
[  824.086062]  ? __lock_acquire+0x62f/0x4c20
[  824.090313]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  824.095105]  ? print_usage_bug+0xc0/0xc0
[  824.099194]  ? graph_lock+0x270/0x270
[  824.103050]  ? graph_lock+0x270/0x270
[  824.106865]  ? print_usage_bug+0xc0/0xc0
[  824.110931]  ? print_usage_bug+0xc0/0xc0
[  824.115007]  ? graph_lock+0x270/0x270
[  824.118819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.124363]  ? find_held_lock+0x36/0x1c0
[  824.128436]  ? mark_held_locks+0xc7/0x130
[  824.132592]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  824.137707]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  824.142819]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  824.147410]  ? trace_hardirqs_on+0xbd/0x310
[  824.151788]  ? kasan_check_read+0x11/0x20
[  824.155956]  ? ___ratelimit+0x3b4/0x672
[  824.159955]  ? trace_hardirqs_off_caller+0x300/0x300
[  824.165088]  ? trace_hardirqs_on+0x310/0x310
[  824.169530]  ? lock_downgrade+0x900/0x900
[  824.173732]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  824.178859]  ? ___ratelimit+0x3b9/0x672
[  824.182859]  ? idr_get_free+0xf70/0xf70
[  824.186849]  ? kasan_check_read+0x11/0x20
[  824.191007]  ? do_raw_spin_unlock+0xa7/0x330
[  824.195434]  oom_kill_process.cold.27+0x10/0x903
[  824.200215]  ? graph_lock+0x270/0x270
[  824.204031]  ? _raw_spin_unlock+0x2c/0x50
[  824.208209]  ? oom_badness+0xe6/0xaa0
[  824.212058]  ? oom_evaluate_task+0x540/0x540
[  824.216499]  ? find_held_lock+0x36/0x1c0
[  824.220598]  ? out_of_memory+0x96f/0x1430
[  824.224776]  ? lock_downgrade+0x900/0x900
[  824.228939]  ? check_preemption_disabled+0x48/0x280
[  824.233979]  ? kasan_check_read+0x11/0x20
[  824.238146]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.243464]  ? rcu_read_unlock_special+0x370/0x370
[  824.248410]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  824.253442]  ? oom_evaluate_task+0x302/0x540
[  824.257877]  out_of_memory+0xa7f/0x1430
[  824.261883]  ? oom_killer_disable+0x3a0/0x3a0
[  824.266409]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  824.271364]  ? __ww_mutex_check_waiters+0x160/0x160
[  824.276418]  __alloc_pages_slowpath+0x236a/0x2e30
[  824.281317]  ? warn_alloc+0x120/0x120
[  824.285144]  ? mark_held_locks+0x130/0x130
[  824.289418]  ? find_get_entry+0xaae/0x1120
[  824.293676]  ? filemap_map_pages+0x1a20/0x1a20
[  824.298281]  ? graph_lock+0x270/0x270
[  824.302100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.307662]  ? check_preemption_disabled+0x48/0x280
[  824.312706]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.318271]  ? should_fail+0x22d/0xd01
[  824.322195]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  824.327330]  ? graph_lock+0x270/0x270
[  824.331198]  ? __lock_is_held+0xb5/0x140
[  824.335308]  ? mark_held_locks+0x130/0x130
[  824.339581]  ? lock_release+0xa10/0xa10
[  824.343676]  ? perf_trace_sched_process_exec+0x860/0x860
[  824.349163]  ? xa_load+0x2ba/0x460
[  824.352749]  ? lock_downgrade+0x900/0x900
[  824.356930]  ? __might_sleep+0x95/0x190
[  824.360947]  __alloc_pages_nodemask+0xa7b/0xdd0
[  824.365645]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  824.370690]  ? __page_cache_alloc+0x177/0x570
[  824.375216]  ? xa_load+0x2e1/0x460
[  824.378780]  ? xa_clear_mark+0x40/0x40
[  824.382687]  ? graph_lock+0x270/0x270
[  824.386520]  ? graph_lock+0x270/0x270
[  824.390335]  ? graph_lock+0x270/0x270
[  824.394149]  ? __do_page_cache_readahead+0x663/0x810
[  824.399278]  ? find_held_lock+0x36/0x1c0
[  824.403360]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  824.408920]  alloc_pages_current+0x173/0x350
[  824.413353]  __page_cache_alloc+0x3ce/0x570
[  824.417703]  ? kasan_check_read+0x11/0x20
[  824.421873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.427177]  ? generic_perform_write+0x6a0/0x6a0
[  824.431968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.437533]  ? check_preemption_disabled+0x48/0x280
[  824.442572]  filemap_fault+0x1595/0x25f0
[  824.446680]  ? __lock_page_or_retry+0xa00/0xa00
[  824.451370]  ? mark_held_locks+0x130/0x130
[  824.455642]  ? filemap_map_pages+0xd6b/0x1a20
[  824.460154]  ? lock_downgrade+0x900/0x900
[  824.464318]  ? check_preemption_disabled+0x48/0x280
[  824.469354]  ? kasan_check_read+0x11/0x20
[  824.473523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.478827]  ? rcu_read_unlock_special+0x370/0x370
[  824.483800]  ? filemap_map_pages+0xd92/0x1a20
[  824.488326]  ? find_get_entries_tag+0x1400/0x1400
[  824.493225]  ? debug_object_destroy+0x2b0/0x2b0
[  824.497915]  ? lock_pi_update_atomic+0x150/0x150
[  824.502690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  824.508262]  ? lock_acquire+0x1ed/0x520
[  824.512249]  ? ext4_filemap_fault+0x7a/0xad
[  824.516614]  ? lock_release+0xa10/0xa10
[  824.520629]  ? perf_trace_sched_process_exec+0x860/0x860
[  824.526104]  ? print_usage_bug+0xc0/0xc0
[  824.530180]  ? print_usage_bug+0xc0/0xc0
[  824.534296]  ? down_read+0x8d/0x120
[  824.537947]  ? ext4_filemap_fault+0x7a/0xad
[  824.542280]  ? __down_interruptible+0x700/0x700
[  824.546975]  ext4_filemap_fault+0x82/0xad
[  824.551142]  __do_fault+0x100/0x6b0
[  824.554774]  ? do_futex+0x1df/0x26d0
[  824.558505]  ? pmd_devmap_trans_unstable+0x220/0x220
[  824.563629]  ? mark_held_locks+0x130/0x130
[  824.567889]  ? mark_held_locks+0x130/0x130
[  824.572164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.577747]  __handle_mm_fault+0x3ea0/0x5be0
[  824.582220]  ? perf_trace_lock+0x7a0/0x7a0
[  824.586504]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  824.591371]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  824.595978]  ? graph_lock+0x270/0x270
[  824.599787]  ? graph_lock+0x270/0x270
[  824.603596]  ? __x64_sys_futex+0x53e/0x6a0
[  824.607850]  ? find_held_lock+0x36/0x1c0
[  824.611933]  ? handle_mm_fault+0x42a/0xc70
[  824.616194]  ? lock_downgrade+0x900/0x900
[  824.620360]  ? check_preemption_disabled+0x48/0x280
[  824.625405]  ? kasan_check_read+0x11/0x20
[  824.629574]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  824.634895]  ? rcu_read_unlock_special+0x370/0x370
[  824.639858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  824.645427]  ? check_preemption_disabled+0x48/0x280
[  824.650485]  handle_mm_fault+0x54f/0xc70
[  824.654580]  ? __handle_mm_fault+0x5be0/0x5be0
[  824.659236]  ? find_vma+0x34/0x190
[  824.662807]  __do_page_fault+0x5d6/0xe40
[  824.666887]  ? trace_hardirqs_off+0xb8/0x310
[  824.671325]  do_page_fault+0xed/0x7d1
[  824.675147]  ? vmalloc_sync_all+0x30/0x30
[  824.679315]  ? error_entry+0x70/0xd0
[  824.683042]  ? trace_hardirqs_off_caller+0xbb/0x300
[  824.688101]  ? trace_hardirqs_on_caller+0xc0/0x310
[  824.693041]  ? syscall_return_slowpath+0x5e0/0x5e0
[  824.698025]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  824.702887]  ? trace_hardirqs_on_caller+0x310/0x310
[  824.707921]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  824.713396]  ? prepare_exit_to_usermode+0x291/0x3b0
[  824.718433]  ? page_fault+0x8/0x30
[  824.722024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  824.726894]  ? page_fault+0x8/0x30
[  824.730457]  page_fault+0x1e/0x30
[  824.733924] RIP: 0033:0x45ddf3
[  824.737156] Code: Bad RIP value.
[  824.740532] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  824.745901] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  824.753189] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  824.760493] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  824.767795] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  824.775086] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  824.782404] warn_alloc_show_mem: 1 callbacks suppressed
[  824.782417] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  824.782418] Mem-Info:
[  824.782451] active_anon:129018 inactive_anon:195 isolated_anon:0
[  824.782451]  active_file:12 inactive_file:15 isolated_file:0
[  824.782451]  unevictable:1 dirty:0 writeback:0 unstable:0
[  824.782451]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  824.782451]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  824.782451]  free:13741 free_pcp:161 free_cma:0
[  824.787808] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  824.795879] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  824.798290] Call Trace:
[  824.831355] 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
[  824.840740]  dump_stack+0x244/0x39d
[  824.868305] lowmem_reserve[]: 0 2818 6321 6321
[  824.870932]  ? dump_stack_print_info.cold.1+0x20/0x20
[  824.897116] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  824.900780]  warn_alloc.cold.116+0xb7/0x1bd
[  824.905322] lowmem_reserve[]: 0 0 3503 3503
[  824.910529]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  824.937930] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  824.942806]  ? lock_downgrade+0x900/0x900
[  824.947096] lowmem_reserve[]: 0 0 0 0
[  824.951950]  ? trace_hardirqs_off+0xb8/0x310
[  824.980824] 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
[  824.984996]  ? trace_hardirqs_off+0xb8/0x310
[  824.988766] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  824.993205]  __alloc_pages_slowpath+0x26fe/0x2e30
[  825.006728] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  825.011199]  ? warn_alloc+0x120/0x120
[  825.025542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  825.030405]  ? warn_alloc+0x120/0x120
[  825.045650] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  825.049440]  ? warn_alloc+0x120/0x120
[  825.058249] 296 total pagecache pages
[  825.062045]  ? print_usage_bug+0xc0/0xc0
[  825.070606] 0 pages in swap cache
[  825.074520]  ? __lock_acquire+0x62f/0x4c20
[  825.078307] Swap cache stats: add 0, delete 0, find 0/0
[  825.082360]  ? print_usage_bug+0xc0/0xc0
[  825.085820] Free swap  = 0kB
[  825.090060]  ? print_usage_bug+0xc0/0xc0
[  825.095398] Total swap = 0kB
[  825.099452]  ? print_usage_bug+0xc0/0xc0
[  825.102451] 1965979 pages RAM
[  825.106507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.109502] 0 pages HighMem/MovableOnly
[  825.113560]  ? should_fail+0x22d/0xd01
[  825.116643] 342854 pages reserved
[  825.122172]  ? print_usage_bug+0xc0/0xc0
[  825.126133] 0 pages cma reserved
[  825.130017]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.133523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  825.137502]  ? __lock_acquire+0x62f/0x4c20
[  825.140974] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  825.145968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.152447] syz-fuzzer cpuset=/ mems_allowed=0
[  825.156671]  ? __lock_acquire+0x62f/0x4c20
[  825.156685]  ? should_fail+0x22d/0xd01
[  825.184682]  ? mark_held_locks+0x130/0x130
[  825.188929]  ? mark_held_locks+0x130/0x130
[  825.193164]  ? mark_held_locks+0x130/0x130
[  825.197419]  ? graph_lock+0x270/0x270
[  825.201225]  ? mark_held_locks+0x130/0x130
[  825.205464]  ? mark_held_locks+0x130/0x130
[  825.209700]  ? graph_lock+0x270/0x270
[  825.213518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.219056]  ? check_preemption_disabled+0x48/0x280
[  825.224118]  ? __lock_is_held+0xb5/0x140
[  825.228203]  __alloc_pages_nodemask+0xa7b/0xdd0
[  825.232875]  ? graph_lock+0x270/0x270
[  825.236681]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  825.241724]  ? find_held_lock+0x36/0x1c0
[  825.245799]  ? ____cache_alloc_node+0x1c7/0x1e0
[  825.250490]  ? lock_downgrade+0x900/0x900
[  825.254646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.260213]  cache_grow_begin+0xa5/0x8c0
[  825.264281]  ? do_raw_spin_unlock+0xa7/0x330
[  825.268699]  fallback_alloc+0x204/0x2e0
[  825.272681]  ____cache_alloc_node+0x1c7/0x1e0
[  825.277197]  kmem_cache_alloc_node+0xe3/0x730
[  825.281695]  ? lockdep_hardirqs_on+0x296/0x5b0
[  825.286290]  __alloc_skb+0x114/0x770
[  825.290006]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  825.295375]  ? netdev_alloc_frag+0x1f0/0x1f0
[  825.299793]  ? lock_acquire+0x1ed/0x520
[  825.303767]  ? aoecmd_cfg+0x108/0x7f0
[  825.307587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.313129]  ? check_preemption_disabled+0x48/0x280
[  825.318198]  ? kasan_check_read+0x11/0x20
[  825.322361]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  825.327643]  ? rcu_softirq_qs+0x20/0x20
[  825.331622]  ? do_raw_spin_trylock+0x270/0x270
[  825.336219]  new_skb+0x26/0x1c0
[  825.339521]  aoecmd_cfg+0x279/0x7f0
[  825.343151]  ? find_held_lock+0x36/0x1c0
[  825.347225]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  825.351559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.357104]  ? check_preemption_disabled+0x48/0x280
[  825.362131]  ? __lock_is_held+0xb5/0x140
[  825.366229]  discover_timer+0x50/0x60
[  825.370032]  call_timer_fn+0x26d/0x920
[  825.373920]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.378767]  ? process_timeout+0x40/0x40
[  825.382836]  ? __run_timers+0x7d5/0xc60
[  825.386817]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.391317]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.395815]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.400663]  ? lockdep_hardirqs_on+0x296/0x5b0
[  825.405253]  ? trace_hardirqs_on+0xbd/0x310
[  825.409576]  ? kasan_check_read+0x11/0x20
[  825.413725]  ? __run_timers+0x7d5/0xc60
[  825.417698]  ? trace_hardirqs_off_caller+0x300/0x300
[  825.422830]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  825.427671]  __run_timers+0x7e0/0xc60
[  825.431486]  ? timer_fixup_init+0x70/0x70
[  825.435635]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.440147]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.444649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  825.449238]  ? trace_hardirqs_on+0xbd/0x310
[  825.453566]  ? kasan_check_read+0x11/0x20
[  825.457721]  ? finish_task_switch+0x1f4/0x920
[  825.462234]  ? trace_hardirqs_off_caller+0x300/0x300
[  825.467355]  ? compat_start_thread+0x80/0x80
[  825.471802]  ? pvclock_read_flags+0x160/0x160
[  825.476312]  ? __switch_to_asm+0x34/0x70
[  825.480375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.485915]  ? check_preemption_disabled+0x48/0x280
[  825.490946]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  825.496488]  ? rcu_pm_notify+0xc0/0xc0
[  825.500378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.505917]  ? check_preemption_disabled+0x48/0x280
[  825.510953]  run_timer_softirq+0x52/0xb0
[  825.515023]  ? rcu_read_lock_sched_held+0x14f/0x180
[  825.520106]  __do_softirq+0x308/0xb7e
[  825.523917]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  825.528687]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  825.533823]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  825.538622]  ? trace_hardirqs_off+0xb8/0x310
[  825.543048]  ? smpboot_thread_fn+0x68b/0xa00
[  825.547464]  ? trace_hardirqs_on+0x310/0x310
[  825.551886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.557437]  ? check_preemption_disabled+0x48/0x280
[  825.562471]  ? takeover_tasklets+0xa90/0xa90
[  825.566889]  run_ksoftirqd+0x5e/0x100
[  825.570713]  smpboot_thread_fn+0x68b/0xa00
[  825.574993]  ? sort_range+0x30/0x30
[  825.578631]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  825.583749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.589299]  ? __kthread_parkme+0xfb/0x1a0
[  825.593544]  ? sort_range+0x30/0x30
[  825.597176]  kthread+0x35a/0x440
[  825.600567]  ? kthread_stop+0x8f0/0x8f0
[  825.604551]  ret_from_fork+0x3a/0x50
[  825.608291] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  825.608386] aoe: skb alloc failure
[  825.616532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  825.616538] Call Trace:
[  825.616545]  <IRQ>
[  825.616570]  dump_stack+0x244/0x39d
[  825.616589]  ? dump_stack_print_info.cold.1+0x20/0x20
[  825.616616]  warn_alloc.cold.116+0xb7/0x1bd
[  825.620254] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  825.629553]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  825.632136] ksoftirqd/0 cpuset=/ mems_allowed=0
[  825.634296]  ? lock_downgrade+0x900/0x900
[  825.671405]  ? trace_hardirqs_off+0xb8/0x310
[  825.675851]  ? trace_hardirqs_off+0xb8/0x310
[  825.680301]  __alloc_pages_slowpath+0x26fe/0x2e30
[  825.685199]  ? warn_alloc+0x120/0x120
[  825.689017]  ? print_usage_bug+0xc0/0xc0
[  825.693096]  ? warn_alloc+0x120/0x120
[  825.696917]  ? warn_alloc+0x120/0x120
[  825.700745]  ? print_usage_bug+0xc0/0xc0
[  825.704819]  ? kvm_clock_read+0x18/0x30
[  825.708810]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  825.713848]  ? print_usage_bug+0xc0/0xc0
[  825.717941]  ? __lock_acquire+0x62f/0x4c20
[  825.722200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  825.727755]  ? should_fail+0x22d/0xd01
[  825.731665]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.736809]  ? __lock_acquire+0x62f/0x4c20
[  825.741062]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  825.746202]  ? __lock_acquire+0x62f/0x4c20
[  825.750447]  ? should_fail+0x22d/0xd01
[  825.754384]  ? mark_held_locks+0x130/0x130
[  825.758674]  ? mark_held_locks+0x130/0x130
[  825.762931]  ? graph_lock+0x270/0x270
[  825.766743]  ? print_usage_bug+0xc0/0xc0
[  825.770820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.776372]  ? check_preemption_disabled+0x48/0x280
[  825.781414]  ? __lock_is_held+0xb5/0x140
[  825.785493]  __alloc_pages_nodemask+0xa7b/0xdd0
[  825.790173]  ? graph_lock+0x270/0x270
[  825.794032]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  825.799076]  ? find_held_lock+0x36/0x1c0
[  825.803163]  ? ____cache_alloc_node+0x1c7/0x1e0
[  825.807854]  ? lock_downgrade+0x900/0x900
[  825.812051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.817614]  cache_grow_begin+0xa5/0x8c0
[  825.821698]  ? do_raw_spin_unlock+0xa7/0x330
[  825.826134]  fallback_alloc+0x204/0x2e0
[  825.830150]  ____cache_alloc_node+0x1c7/0x1e0
[  825.834697]  kmem_cache_alloc_node+0xe3/0x730
[  825.839211]  ? ipv6_get_ifaddr+0x42e/0x620
[  825.843467]  __alloc_skb+0x114/0x770
[  825.847199]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  825.852502]  ? netdev_alloc_frag+0x1f0/0x1f0
[  825.856932]  ? lock_downgrade+0x900/0x900
[  825.861108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.866669]  ? refcount_sub_and_test_checked+0x203/0x310
[  825.872153]  ? refcount_dec_if_one+0x180/0x180
[  825.876759]  ? addrconf_rs_timer+0x690/0x690
[  825.881205]  ndisc_alloc_skb+0x144/0x340
[  825.885285]  ndisc_send_rs+0x331/0x6e0
[  825.889196]  addrconf_rs_timer+0x314/0x690
[  825.893448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  825.897708]  call_timer_fn+0x26d/0x920
[  825.901606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  825.905854]  ? process_timeout+0x40/0x40
[  825.909941]  ? mark_held_locks+0xc7/0x130
[  825.914119]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.918672]  ? _raw_spin_unlock_irq+0x27/0x80
[  825.923177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  825.927435]  ? lockdep_hardirqs_on+0x296/0x5b0
[  825.932036]  ? trace_hardirqs_on+0xbd/0x310
[  825.936369]  ? kasan_check_read+0x11/0x20
[  825.940532]  ? __run_timers+0x7d5/0xc60
[  825.944525]  ? trace_hardirqs_off_caller+0x300/0x300
[  825.949659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  825.953909]  __run_timers+0x7e0/0xc60
[  825.957736]  ? timer_fixup_init+0x70/0x70
[  825.961901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  825.966932]  ? graph_lock+0x270/0x270
[  825.970778]  ? print_usage_bug+0xc0/0xc0
[  825.974885]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  825.980095]  ? find_held_lock+0x36/0x1c0
[  825.984180]  ? graph_lock+0x270/0x270
[  825.988021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  825.993577]  ? check_preemption_disabled+0x48/0x280
[  825.998628]  ? __lock_is_held+0xb5/0x140
[  826.002718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.008281]  ? check_preemption_disabled+0x48/0x280
[  826.013328]  run_timer_softirq+0x52/0xb0
[  826.017410]  ? rcu_read_lock_sched_held+0x14f/0x180
[  826.022448]  __do_softirq+0x308/0xb7e
[  826.026270]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  826.030783]  ? lock_downgrade+0x900/0x900
[  826.034955]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  826.040089]  ? pvclock_read_flags+0x160/0x160
[  826.044607]  ? lapic_next_event+0x5a/0x90
[  826.048771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.054332]  ? kvm_clock_read+0x18/0x30
[  826.058322]  ? kvm_sched_clock_read+0x9/0x20
[  826.062752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.068306]  ? check_preemption_disabled+0x48/0x280
[  826.073350]  irq_exit+0x17f/0x1c0
[  826.076823]  smp_apic_timer_interrupt+0x1cb/0x760
[  826.081680]  ? smp_reschedule_interrupt+0x109/0x650
[  826.086726]  ? smp_call_function_single_interrupt+0x640/0x640
[  826.092636]  ? interrupt_entry+0xb5/0xc0
[  826.096720]  ? trace_hardirqs_off_caller+0xbb/0x300
[  826.101762]  ? trace_hardirqs_off_caller+0xbb/0x300
[  826.106790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.111662]  ? trace_hardirqs_on_caller+0x310/0x310
[  826.116719]  ? trace_hardirqs_on_caller+0x310/0x310
[  826.121767]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.126639]  apic_timer_interrupt+0xf/0x20
[  826.130881]  </IRQ>
[  826.133132] RIP: 0010:dump_stack+0x358/0x39d
[  826.137554] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  826.156476] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  826.164218] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  826.171515] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  826.178809] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  826.186100] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  826.193387] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  826.200713]  ? dump_stack+0x34f/0x39d
[  826.204555]  ? dump_stack_print_info.cold.1+0x20/0x20
[  826.209775]  ? mark_held_locks+0x130/0x130
[  826.214034]  ? mark_held_locks+0x130/0x130
[  826.218298]  dump_header+0x27b/0xf72
[  826.222044]  ? pagefault_out_of_memory+0x197/0x197
[  826.227002]  ? mark_held_locks+0x130/0x130
[  826.231289]  ? __lock_acquire+0x62f/0x4c20
[  826.235539]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  826.240317]  ? print_usage_bug+0xc0/0xc0
[  826.244401]  ? graph_lock+0x270/0x270
[  826.248220]  ? graph_lock+0x270/0x270
[  826.252040]  ? print_usage_bug+0xc0/0xc0
[  826.256133]  ? print_usage_bug+0xc0/0xc0
[  826.260219]  ? graph_lock+0x270/0x270
[  826.264040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.269603]  ? find_held_lock+0x36/0x1c0
[  826.273698]  ? mark_held_locks+0xc7/0x130
[  826.277864]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  826.282988]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  826.288131]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  826.292743]  ? trace_hardirqs_on+0xbd/0x310
[  826.297080]  ? kasan_check_read+0x11/0x20
[  826.301242]  ? ___ratelimit+0x3b4/0x672
[  826.305235]  ? trace_hardirqs_off_caller+0x300/0x300
[  826.310353]  ? trace_hardirqs_on+0x310/0x310
[  826.314781]  ? lock_downgrade+0x900/0x900
[  826.318968]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  826.324099]  ? ___ratelimit+0x3b9/0x672
[  826.328090]  ? idr_get_free+0xf70/0xf70
[  826.332083]  ? kasan_check_read+0x11/0x20
[  826.336285]  ? do_raw_spin_unlock+0xa7/0x330
[  826.340725]  oom_kill_process.cold.27+0x10/0x903
[  826.345521]  ? graph_lock+0x270/0x270
[  826.349354]  ? _raw_spin_unlock+0x2c/0x50
[  826.353515]  ? oom_badness+0xe6/0xaa0
[  826.357333]  ? oom_evaluate_task+0x540/0x540
[  826.361755]  ? find_held_lock+0x36/0x1c0
[  826.365838]  ? out_of_memory+0x96f/0x1430
[  826.370018]  ? lock_downgrade+0x900/0x900
[  826.374179]  ? check_preemption_disabled+0x48/0x280
[  826.379234]  ? kasan_check_read+0x11/0x20
[  826.383399]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.388700]  ? rcu_read_unlock_special+0x370/0x370
[  826.393652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  826.398707]  ? oom_evaluate_task+0x302/0x540
[  826.403142]  out_of_memory+0xa7f/0x1430
[  826.407143]  ? oom_killer_disable+0x3a0/0x3a0
[  826.411652]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  826.416604]  ? __ww_mutex_check_waiters+0x160/0x160
[  826.421662]  __alloc_pages_slowpath+0x236a/0x2e30
[  826.426568]  ? warn_alloc+0x120/0x120
[  826.430382]  ? mark_held_locks+0x130/0x130
[  826.434636]  ? find_get_entry+0xaae/0x1120
[  826.438895]  ? filemap_map_pages+0x1a20/0x1a20
[  826.443500]  ? graph_lock+0x270/0x270
[  826.447320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.452878]  ? check_preemption_disabled+0x48/0x280
[  826.457923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.463492]  ? should_fail+0x22d/0xd01
[  826.467397]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  826.472513]  ? graph_lock+0x270/0x270
[  826.476355]  ? __lock_is_held+0xb5/0x140
[  826.480431]  ? mark_held_locks+0x130/0x130
[  826.484680]  ? lock_release+0xa10/0xa10
[  826.488669]  ? perf_trace_sched_process_exec+0x860/0x860
[  826.494157]  ? xa_load+0x2ba/0x460
[  826.497735]  ? lock_downgrade+0x900/0x900
[  826.501910]  ? __might_sleep+0x95/0x190
[  826.505914]  __alloc_pages_nodemask+0xa7b/0xdd0
[  826.510615]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  826.515654]  ? __page_cache_alloc+0x177/0x570
[  826.520167]  ? xa_load+0x2e1/0x460
[  826.523750]  ? xa_clear_mark+0x40/0x40
[  826.527689]  ? graph_lock+0x270/0x270
[  826.531519]  ? graph_lock+0x270/0x270
[  826.535333]  ? graph_lock+0x270/0x270
[  826.539144]  ? __do_page_cache_readahead+0x663/0x810
[  826.544271]  ? find_held_lock+0x36/0x1c0
[  826.548358]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  826.553922]  alloc_pages_current+0x173/0x350
[  826.558365]  __page_cache_alloc+0x3ce/0x570
[  826.562716]  ? kasan_check_read+0x11/0x20
[  826.566879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.572173]  ? generic_perform_write+0x6a0/0x6a0
[  826.576959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.582527]  ? check_preemption_disabled+0x48/0x280
[  826.587569]  filemap_fault+0x1595/0x25f0
[  826.591660]  ? __lock_page_or_retry+0xa00/0xa00
[  826.596352]  ? mark_held_locks+0x130/0x130
[  826.600637]  ? filemap_map_pages+0xd6b/0x1a20
[  826.605159]  ? lock_downgrade+0x900/0x900
[  826.609335]  ? check_preemption_disabled+0x48/0x280
[  826.614376]  ? kasan_check_read+0x11/0x20
[  826.618536]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.623831]  ? rcu_read_unlock_special+0x370/0x370
[  826.628797]  ? filemap_map_pages+0xd92/0x1a20
[  826.633333]  ? find_get_entries_tag+0x1400/0x1400
[  826.638211]  ? debug_object_destroy+0x2b0/0x2b0
[  826.642910]  ? lock_pi_update_atomic+0x150/0x150
[  826.647688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  826.653269]  ? lock_acquire+0x1ed/0x520
[  826.657263]  ? ext4_filemap_fault+0x7a/0xad
[  826.661612]  ? lock_release+0xa10/0xa10
[  826.665600]  ? perf_trace_sched_process_exec+0x860/0x860
[  826.671077]  ? print_usage_bug+0xc0/0xc0
[  826.675156]  ? print_usage_bug+0xc0/0xc0
[  826.679265]  ? down_read+0x8d/0x120
[  826.682906]  ? ext4_filemap_fault+0x7a/0xad
[  826.687249]  ? __down_interruptible+0x700/0x700
[  826.691952]  ext4_filemap_fault+0x82/0xad
[  826.696122]  __do_fault+0x100/0x6b0
[  826.699760]  ? do_futex+0x1df/0x26d0
[  826.703495]  ? pmd_devmap_trans_unstable+0x220/0x220
[  826.708631]  ? mark_held_locks+0x130/0x130
[  826.712894]  ? mark_held_locks+0x130/0x130
[  826.717157]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.722728]  __handle_mm_fault+0x3ea0/0x5be0
[  826.727229]  ? perf_trace_lock+0x7a0/0x7a0
[  826.731494]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  826.736364]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  826.740985]  ? graph_lock+0x270/0x270
[  826.744795]  ? graph_lock+0x270/0x270
[  826.748605]  ? __x64_sys_futex+0x53e/0x6a0
[  826.752859]  ? find_held_lock+0x36/0x1c0
[  826.756946]  ? handle_mm_fault+0x42a/0xc70
[  826.761205]  ? lock_downgrade+0x900/0x900
[  826.765365]  ? check_preemption_disabled+0x48/0x280
[  826.770407]  ? kasan_check_read+0x11/0x20
[  826.774571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  826.779872]  ? rcu_read_unlock_special+0x370/0x370
[  826.784827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  826.790387]  ? check_preemption_disabled+0x48/0x280
[  826.795443]  handle_mm_fault+0x54f/0xc70
[  826.799534]  ? __handle_mm_fault+0x5be0/0x5be0
[  826.804136]  ? find_vma+0x34/0x190
[  826.807707]  __do_page_fault+0x5d6/0xe40
[  826.811782]  ? trace_hardirqs_off+0xb8/0x310
[  826.816228]  do_page_fault+0xed/0x7d1
[  826.820057]  ? vmalloc_sync_all+0x30/0x30
[  826.824230]  ? error_entry+0x70/0xd0
[  826.827963]  ? trace_hardirqs_off_caller+0xbb/0x300
[  826.832994]  ? trace_hardirqs_on_caller+0xc0/0x310
[  826.837933]  ? syscall_return_slowpath+0x5e0/0x5e0
[  826.842885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.847752]  ? trace_hardirqs_on_caller+0x310/0x310
[  826.852784]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  826.858288]  ? prepare_exit_to_usermode+0x291/0x3b0
[  826.863331]  ? page_fault+0x8/0x30
[  826.866895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  826.871758]  ? page_fault+0x8/0x30
[  826.875334]  page_fault+0x1e/0x30
[  826.878806] RIP: 0033:0x45ddf3
[  826.882031] Code: Bad RIP value.
[  826.885397] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  826.890764] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  826.898060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  826.905345] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  826.912630] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  826.919916] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  826.927251] warn_alloc_show_mem: 1 callbacks suppressed
[  826.927265] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  826.927267] Mem-Info:
[  826.927300] active_anon:129018 inactive_anon:195 isolated_anon:0
[  826.927300]  active_file:12 inactive_file:15 isolated_file:0
[  826.927300]  unevictable:1 dirty:0 writeback:0 unstable:0
[  826.927300]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  826.927300]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  826.927300]  free:13741 free_pcp:161 free_cma:0
[  826.932655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  826.940726] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  826.943579] Call Trace:
[  826.976644] 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
[  826.986023]  dump_stack+0x244/0x39d
[  827.013577] lowmem_reserve[]: 0 2818 6321 6321
[  827.016231]  ? dump_stack_print_info.cold.1+0x20/0x20
[  827.042318] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  827.045986]  warn_alloc.cold.116+0xb7/0x1bd
[  827.050527] lowmem_reserve[]: 0 0 3503 3503
[  827.055712]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  827.055733]  ? lock_downgrade+0x900/0x900
[  827.083680] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  827.088007]  ? trace_hardirqs_off+0xb8/0x310
[  827.092294] lowmem_reserve[]: 0 0 0 0
[  827.097149]  ? trace_hardirqs_off+0xb8/0x310
[  827.101279] 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
[  827.130168]  __alloc_pages_slowpath+0x26fe/0x2e30
[  827.134550] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  827.138368]  ? warn_alloc+0x120/0x120
[  827.142731] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  827.156251]  ? warn_alloc+0x120/0x120
[  827.161075] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  827.175456]  ? warn_alloc+0x120/0x120
[  827.179238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  827.194488]  ? print_usage_bug+0xc0/0xc0
[  827.198261] 296 total pagecache pages
[  827.207090]  ? print_usage_bug+0xc0/0xc0
[  827.210878] 0 pages in swap cache
[  827.219438]  ? mark_held_locks+0x130/0x130
[  827.223477] Swap cache stats: add 0, delete 0, find 0/0
[  827.227270]  ? mark_held_locks+0x130/0x130
[  827.231309] Free swap  = 0kB
[  827.234761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.238968] Total swap = 0kB
[  827.244324]  ? should_fail+0x22d/0xd01
[  827.248532] 1965979 pages RAM
[  827.251542]  ? graph_lock+0x270/0x270
[  827.257061] 0 pages HighMem/MovableOnly
[  827.260089]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.263953] 342854 pages reserved
[  827.267060]  ? __lock_acquire+0x62f/0x4c20
[  827.270835] 0 pages cma reserved
[  827.274801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.279969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  827.283333]  ? __lock_acquire+0x62f/0x4c20
[  827.283348]  ? should_fail+0x22d/0xd01
[  827.287634] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  827.290946]  ? mark_held_locks+0x130/0x130
[  827.296021] syz-fuzzer cpuset=/ mems_allowed=0
[  827.302510]  ? mark_held_locks+0x130/0x130
[  827.333851]  ? lock_downgrade+0x900/0x900
[  827.338001]  ? graph_lock+0x270/0x270
[  827.341810]  ? graph_lock+0x270/0x270
[  827.345610]  ? do_raw_spin_unlock+0xa7/0x330
[  827.350027]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  827.354819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.360357]  ? check_preemption_disabled+0x48/0x280
[  827.365393]  ? __lock_is_held+0xb5/0x140
[  827.369464]  __alloc_pages_nodemask+0xa7b/0xdd0
[  827.374134]  ? graph_lock+0x270/0x270
[  827.377957]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  827.382986]  ? find_held_lock+0x36/0x1c0
[  827.387062]  ? ____cache_alloc_node+0x1c7/0x1e0
[  827.391742]  ? lock_downgrade+0x900/0x900
[  827.395908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.401466]  cache_grow_begin+0xa5/0x8c0
[  827.405537]  ? do_raw_spin_unlock+0xa7/0x330
[  827.409965]  fallback_alloc+0x204/0x2e0
[  827.413950]  ____cache_alloc_node+0x1c7/0x1e0
[  827.418460]  kmem_cache_alloc_node+0xe3/0x730
[  827.422967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  827.427569]  __alloc_skb+0x114/0x770
[  827.431297]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  827.436682]  ? netdev_alloc_frag+0x1f0/0x1f0
[  827.441109]  ? vprintk_default+0x28/0x30
[  827.445179]  ? vprintk_func+0x85/0x181
[  827.449095]  ? printk+0xa7/0xcf
[  827.452379]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  827.457149]  ? do_raw_spin_trylock+0x270/0x270
[  827.461752]  new_skb+0x26/0x1c0
[  827.465036]  aoecmd_cfg+0x279/0x7f0
[  827.468671]  ? find_held_lock+0x36/0x1c0
[  827.472744]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  827.477083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.482648]  ? __lock_is_held+0xb5/0x140
[  827.486728]  discover_timer+0x50/0x60
[  827.490540]  call_timer_fn+0x26d/0x920
[  827.494434]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.499287]  ? process_timeout+0x40/0x40
[  827.503364]  ? __run_timers+0x7d5/0xc60
[  827.507348]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.511850]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.516351]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.521250]  ? lockdep_hardirqs_on+0x296/0x5b0
[  827.525848]  ? trace_hardirqs_on+0xbd/0x310
[  827.530192]  ? kasan_check_read+0x11/0x20
[  827.534381]  ? __run_timers+0x7d5/0xc60
[  827.538367]  ? trace_hardirqs_off_caller+0x300/0x300
[  827.543496]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  827.548346]  __run_timers+0x7e0/0xc60
[  827.552165]  ? timer_fixup_init+0x70/0x70
[  827.556340]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.560847]  ? _raw_spin_unlock_irq+0x27/0x80
[  827.565356]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  827.569998]  ? trace_hardirqs_on+0xbd/0x310
[  827.574337]  ? kasan_check_read+0x11/0x20
[  827.578496]  ? finish_task_switch+0x1f4/0x920
[  827.583060]  ? trace_hardirqs_off_caller+0x300/0x300
[  827.588200]  ? compat_start_thread+0x80/0x80
[  827.592669]  ? pvclock_read_flags+0x160/0x160
[  827.597171]  ? __switch_to_asm+0x34/0x70
[  827.601256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.606804]  ? check_preemption_disabled+0x48/0x280
[  827.611840]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  827.617399]  ? rcu_pm_notify+0xc0/0xc0
[  827.621302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.626852]  ? check_preemption_disabled+0x48/0x280
[  827.631888]  run_timer_softirq+0x52/0xb0
[  827.635962]  ? rcu_read_lock_sched_held+0x14f/0x180
[  827.640989]  __do_softirq+0x308/0xb7e
[  827.644804]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  827.649571]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  827.654691]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  827.659500]  ? trace_hardirqs_off+0xb8/0x310
[  827.663937]  ? smpboot_thread_fn+0x68b/0xa00
[  827.668355]  ? trace_hardirqs_on+0x310/0x310
[  827.672777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.678325]  ? check_preemption_disabled+0x48/0x280
[  827.683356]  ? takeover_tasklets+0xa90/0xa90
[  827.687776]  run_ksoftirqd+0x5e/0x100
[  827.691587]  smpboot_thread_fn+0x68b/0xa00
[  827.695847]  ? sort_range+0x30/0x30
[  827.699484]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  827.704599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.710159]  ? __kthread_parkme+0xfb/0x1a0
[  827.714426]  ? sort_range+0x30/0x30
[  827.718061]  kthread+0x35a/0x440
[  827.721439]  ? kthread_stop+0x8f0/0x8f0
[  827.725428]  ret_from_fork+0x3a/0x50
[  827.729175] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  827.729303] aoe: skb alloc failure
[  827.737449] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  827.737462] Call Trace:
[  827.741115] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  827.750356]  <IRQ>
[  827.752934] ksoftirqd/0 cpuset=/ mems_allowed=0
[  827.763262]  dump_stack+0x244/0x39d
[  827.773700]  ? dump_stack_print_info.cold.1+0x20/0x20
[  827.778925]  warn_alloc.cold.116+0xb7/0x1bd
[  827.783275]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  827.788139]  ? lock_downgrade+0x900/0x900
[  827.792315]  ? trace_hardirqs_off+0xb8/0x310
[  827.796749]  ? trace_hardirqs_off+0xb8/0x310
[  827.801195]  __alloc_pages_slowpath+0x26fe/0x2e30
[  827.806092]  ? warn_alloc+0x120/0x120
[  827.809911]  ? print_usage_bug+0xc0/0xc0
[  827.813986]  ? warn_alloc+0x120/0x120
[  827.817803]  ? warn_alloc+0x120/0x120
[  827.821619]  ? print_usage_bug+0xc0/0xc0
[  827.825703]  ? print_usage_bug+0xc0/0xc0
[  827.829776]  ? __lock_acquire+0x62f/0x4c20
[  827.834032]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  827.839587]  ? should_fail+0x22d/0xd01
[  827.843499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.848633]  ? __lock_acquire+0x62f/0x4c20
[  827.852920]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  827.858041]  ? __lock_acquire+0x62f/0x4c20
[  827.862287]  ? should_fail+0x22d/0xd01
[  827.866200]  ? find_held_lock+0x36/0x1c0
[  827.870293]  ? mark_held_locks+0x130/0x130
[  827.874545]  ? mark_held_locks+0x130/0x130
[  827.878786]  ? graph_lock+0x270/0x270
[  827.882599]  ? graph_lock+0x270/0x270
[  827.886412]  ? print_usage_bug+0xc0/0xc0
[  827.890478]  ? do_raw_spin_unlock+0xa7/0x330
[  827.894897]  ? graph_lock+0x270/0x270
[  827.898714]  ? print_usage_bug+0xc0/0xc0
[  827.902786]  ? wq_watchdog_touch+0x9c/0xfe
[  827.907044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.912613]  ? check_preemption_disabled+0x48/0x280
[  827.917675]  ? __lock_is_held+0xb5/0x140
[  827.921773]  __alloc_pages_nodemask+0xa7b/0xdd0
[  827.926460]  ? graph_lock+0x270/0x270
[  827.930283]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  827.935337]  ? find_held_lock+0x36/0x1c0
[  827.939427]  ? ____cache_alloc_node+0x1c7/0x1e0
[  827.944119]  ? lock_downgrade+0x900/0x900
[  827.948299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  827.953871]  cache_grow_begin+0xa5/0x8c0
[  827.957973]  ? do_raw_spin_unlock+0xa7/0x330
[  827.962410]  fallback_alloc+0x204/0x2e0
[  827.966412]  ____cache_alloc_node+0x1c7/0x1e0
[  827.970934]  kmem_cache_alloc_node+0xe3/0x730
[  827.975446]  ? ipv6_get_ifaddr+0x42e/0x620
[  827.979713]  __alloc_skb+0x114/0x770
[  827.983443]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  827.988750]  ? netdev_alloc_frag+0x1f0/0x1f0
[  827.993191]  ? lock_downgrade+0x900/0x900
[  827.997367]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.002931]  ? refcount_sub_and_test_checked+0x203/0x310
[  828.008413]  ? refcount_dec_if_one+0x180/0x180
[  828.013017]  ? addrconf_rs_timer+0x690/0x690
[  828.017462]  ndisc_alloc_skb+0x144/0x340
[  828.021547]  ndisc_send_rs+0x331/0x6e0
[  828.025457]  addrconf_rs_timer+0x314/0x690
[  828.029716]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  828.033979]  call_timer_fn+0x26d/0x920
[  828.037879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  828.042128]  ? process_timeout+0x40/0x40
[  828.046222]  ? mark_held_locks+0xc7/0x130
[  828.050390]  ? _raw_spin_unlock_irq+0x27/0x80
[  828.054901]  ? _raw_spin_unlock_irq+0x27/0x80
[  828.059409]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  828.063662]  ? lockdep_hardirqs_on+0x296/0x5b0
[  828.068270]  ? trace_hardirqs_on+0xbd/0x310
[  828.072604]  ? kasan_check_read+0x11/0x20
[  828.076768]  ? __run_timers+0x7d5/0xc60
[  828.080759]  ? trace_hardirqs_off_caller+0x300/0x300
[  828.085884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  828.090167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  828.094422]  __run_timers+0x7e0/0xc60
[  828.098252]  ? timer_fixup_init+0x70/0x70
[  828.102437]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  828.107472]  ? graph_lock+0x270/0x270
[  828.111332]  ? print_usage_bug+0xc0/0xc0
[  828.115438]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  828.120656]  ? find_held_lock+0x36/0x1c0
[  828.124743]  ? graph_lock+0x270/0x270
[  828.128571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.134126]  ? check_preemption_disabled+0x48/0x280
[  828.139176]  ? __lock_is_held+0xb5/0x140
[  828.143261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.148816]  ? check_preemption_disabled+0x48/0x280
[  828.153856]  run_timer_softirq+0x52/0xb0
[  828.157935]  ? rcu_read_lock_sched_held+0x14f/0x180
[  828.162967]  __do_softirq+0x308/0xb7e
[  828.166799]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  828.171306]  ? lock_downgrade+0x900/0x900
[  828.175479]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  828.180606]  ? pvclock_read_flags+0x160/0x160
[  828.185119]  ? lapic_next_event+0x5a/0x90
[  828.189286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.194846]  ? kvm_clock_read+0x18/0x30
[  828.198838]  ? kvm_sched_clock_read+0x9/0x20
[  828.203264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.208818]  ? check_preemption_disabled+0x48/0x280
[  828.213863]  irq_exit+0x17f/0x1c0
[  828.217338]  smp_apic_timer_interrupt+0x1cb/0x760
[  828.222203]  ? smp_reschedule_interrupt+0x109/0x650
[  828.227239]  ? smp_call_function_single_interrupt+0x640/0x640
[  828.233149]  ? interrupt_entry+0xb5/0xc0
[  828.237234]  ? trace_hardirqs_off_caller+0xbb/0x300
[  828.242268]  ? trace_hardirqs_off_caller+0xbb/0x300
[  828.247309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.252176]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.257224]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.262272]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.267165]  apic_timer_interrupt+0xf/0x20
[  828.271413]  </IRQ>
[  828.273661] RIP: 0010:dump_stack+0x358/0x39d
[  828.278087] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  828.297010] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  828.304747] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  828.312044] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  828.319338] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  828.326631] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  828.333918] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  828.341246]  ? dump_stack+0x34f/0x39d
[  828.345104]  ? dump_stack_print_info.cold.1+0x20/0x20
[  828.350324]  ? mark_held_locks+0x130/0x130
[  828.354589]  ? mark_held_locks+0x130/0x130
[  828.358847]  dump_header+0x27b/0xf72
[  828.362593]  ? pagefault_out_of_memory+0x197/0x197
[  828.367549]  ? mark_held_locks+0x130/0x130
[  828.371852]  ? __lock_acquire+0x62f/0x4c20
[  828.376126]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  828.380916]  ? print_usage_bug+0xc0/0xc0
[  828.384996]  ? graph_lock+0x270/0x270
[  828.388805]  ? graph_lock+0x270/0x270
[  828.392618]  ? print_usage_bug+0xc0/0xc0
[  828.396710]  ? print_usage_bug+0xc0/0xc0
[  828.400783]  ? graph_lock+0x270/0x270
[  828.404605]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.410164]  ? find_held_lock+0x36/0x1c0
[  828.414271]  ? mark_held_locks+0xc7/0x130
[  828.418443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  828.423565]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  828.428691]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  828.433299]  ? trace_hardirqs_on+0xbd/0x310
[  828.437632]  ? kasan_check_read+0x11/0x20
[  828.441790]  ? ___ratelimit+0x3b4/0x672
[  828.445780]  ? trace_hardirqs_off_caller+0x300/0x300
[  828.450900]  ? trace_hardirqs_on+0x310/0x310
[  828.455329]  ? lock_downgrade+0x900/0x900
[  828.459504]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  828.464621]  ? ___ratelimit+0x3b9/0x672
[  828.468610]  ? idr_get_free+0xf70/0xf70
[  828.472600]  ? kasan_check_read+0x11/0x20
[  828.476763]  ? do_raw_spin_unlock+0xa7/0x330
[  828.481204]  oom_kill_process.cold.27+0x10/0x903
[  828.485982]  ? graph_lock+0x270/0x270
[  828.489798]  ? _raw_spin_unlock+0x2c/0x50
[  828.493961]  ? oom_badness+0xe6/0xaa0
[  828.497776]  ? oom_evaluate_task+0x540/0x540
[  828.502224]  ? find_held_lock+0x36/0x1c0
[  828.506327]  ? out_of_memory+0x96f/0x1430
[  828.510493]  ? lock_downgrade+0x900/0x900
[  828.514649]  ? check_preemption_disabled+0x48/0x280
[  828.519700]  ? kasan_check_read+0x11/0x20
[  828.523867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.529181]  ? rcu_read_unlock_special+0x370/0x370
[  828.534157]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  828.539216]  ? oom_evaluate_task+0x302/0x540
[  828.543651]  out_of_memory+0xa7f/0x1430
[  828.547650]  ? oom_killer_disable+0x3a0/0x3a0
[  828.552163]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  828.557124]  ? __ww_mutex_check_waiters+0x160/0x160
[  828.562177]  __alloc_pages_slowpath+0x236a/0x2e30
[  828.567091]  ? warn_alloc+0x120/0x120
[  828.570910]  ? mark_held_locks+0x130/0x130
[  828.575181]  ? find_get_entry+0xaae/0x1120
[  828.579461]  ? filemap_map_pages+0x1a20/0x1a20
[  828.584074]  ? graph_lock+0x270/0x270
[  828.587888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.593437]  ? check_preemption_disabled+0x48/0x280
[  828.598470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.604034]  ? should_fail+0x22d/0xd01
[  828.607942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  828.613070]  ? graph_lock+0x270/0x270
[  828.616916]  ? __lock_is_held+0xb5/0x140
[  828.621027]  ? mark_held_locks+0x130/0x130
[  828.625283]  ? lock_release+0xa10/0xa10
[  828.629301]  ? perf_trace_sched_process_exec+0x860/0x860
[  828.634771]  ? xa_load+0x2ba/0x460
[  828.638333]  ? lock_downgrade+0x900/0x900
[  828.642507]  ? __might_sleep+0x95/0x190
[  828.646506]  __alloc_pages_nodemask+0xa7b/0xdd0
[  828.651218]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  828.656258]  ? __page_cache_alloc+0x177/0x570
[  828.660778]  ? xa_load+0x2e1/0x460
[  828.664333]  ? xa_clear_mark+0x40/0x40
[  828.668234]  ? graph_lock+0x270/0x270
[  828.672068]  ? graph_lock+0x270/0x270
[  828.675876]  ? graph_lock+0x270/0x270
[  828.679684]  ? __do_page_cache_readahead+0x663/0x810
[  828.684812]  ? find_held_lock+0x36/0x1c0
[  828.688894]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  828.694452]  alloc_pages_current+0x173/0x350
[  828.698882]  __page_cache_alloc+0x3ce/0x570
[  828.703270]  ? kasan_check_read+0x11/0x20
[  828.707440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.712732]  ? generic_perform_write+0x6a0/0x6a0
[  828.717531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.723081]  ? check_preemption_disabled+0x48/0x280
[  828.728120]  filemap_fault+0x1595/0x25f0
[  828.732222]  ? __lock_page_or_retry+0xa00/0xa00
[  828.736906]  ? mark_held_locks+0x130/0x130
[  828.741201]  ? filemap_map_pages+0xd6b/0x1a20
[  828.745717]  ? lock_downgrade+0x900/0x900
[  828.749873]  ? check_preemption_disabled+0x48/0x280
[  828.754907]  ? kasan_check_read+0x11/0x20
[  828.759070]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.764390]  ? rcu_read_unlock_special+0x370/0x370
[  828.769372]  ? filemap_map_pages+0xd92/0x1a20
[  828.773898]  ? find_get_entries_tag+0x1400/0x1400
[  828.778770]  ? debug_object_destroy+0x2b0/0x2b0
[  828.783458]  ? lock_pi_update_atomic+0x150/0x150
[  828.788230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  828.793793]  ? lock_acquire+0x1ed/0x520
[  828.797785]  ? ext4_filemap_fault+0x7a/0xad
[  828.802134]  ? lock_release+0xa10/0xa10
[  828.806119]  ? perf_trace_sched_process_exec+0x860/0x860
[  828.811595]  ? print_usage_bug+0xc0/0xc0
[  828.815671]  ? print_usage_bug+0xc0/0xc0
[  828.819773]  ? down_read+0x8d/0x120
[  828.823407]  ? ext4_filemap_fault+0x7a/0xad
[  828.827763]  ? __down_interruptible+0x700/0x700
[  828.832981]  ext4_filemap_fault+0x82/0xad
[  828.837150]  __do_fault+0x100/0x6b0
[  828.840814]  ? do_futex+0x1df/0x26d0
[  828.844541]  ? pmd_devmap_trans_unstable+0x220/0x220
[  828.849664]  ? mark_held_locks+0x130/0x130
[  828.853930]  ? mark_held_locks+0x130/0x130
[  828.858196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.863762]  __handle_mm_fault+0x3ea0/0x5be0
[  828.868195]  ? perf_trace_lock+0x7a0/0x7a0
[  828.872455]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  828.877322]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  828.881934]  ? graph_lock+0x270/0x270
[  828.885777]  ? graph_lock+0x270/0x270
[  828.889588]  ? __x64_sys_futex+0x53e/0x6a0
[  828.893874]  ? find_held_lock+0x36/0x1c0
[  828.897960]  ? handle_mm_fault+0x42a/0xc70
[  828.902232]  ? lock_downgrade+0x900/0x900
[  828.906395]  ? check_preemption_disabled+0x48/0x280
[  828.911436]  ? kasan_check_read+0x11/0x20
[  828.915598]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  828.920892]  ? rcu_read_unlock_special+0x370/0x370
[  828.925845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  828.931400]  ? check_preemption_disabled+0x48/0x280
[  828.936445]  handle_mm_fault+0x54f/0xc70
[  828.940528]  ? __handle_mm_fault+0x5be0/0x5be0
[  828.945393]  ? find_vma+0x34/0x190
[  828.948956]  __do_page_fault+0x5d6/0xe40
[  828.953028]  ? trace_hardirqs_off+0xb8/0x310
[  828.957466]  do_page_fault+0xed/0x7d1
[  828.961284]  ? vmalloc_sync_all+0x30/0x30
[  828.965441]  ? error_entry+0x70/0xd0
[  828.969171]  ? trace_hardirqs_off_caller+0xbb/0x300
[  828.974218]  ? trace_hardirqs_on_caller+0xc0/0x310
[  828.979171]  ? syscall_return_slowpath+0x5e0/0x5e0
[  828.984120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  828.988983]  ? trace_hardirqs_on_caller+0x310/0x310
[  828.994012]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  828.999482]  ? prepare_exit_to_usermode+0x291/0x3b0
[  829.004520]  ? page_fault+0x8/0x30
[  829.008081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  829.012960]  ? page_fault+0x8/0x30
[  829.016512]  page_fault+0x1e/0x30
[  829.019974] RIP: 0033:0x45ddf3
[  829.023205] Code: Bad RIP value.
[  829.026569] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  829.031952] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  829.039244] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  829.046530] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  829.053813] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  829.061097] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  829.068410] warn_alloc_show_mem: 1 callbacks suppressed
[  829.068424] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  829.068426] Mem-Info:
[  829.068459] active_anon:129018 inactive_anon:195 isolated_anon:0
[  829.068459]  active_file:12 inactive_file:15 isolated_file:0
[  829.068459]  unevictable:1 dirty:0 writeback:0 unstable:0
[  829.068459]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  829.068459]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  829.068459]  free:13741 free_pcp:161 free_cma:0
[  829.074127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  829.082210] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  829.084621] Call Trace:
[  829.117699] 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
[  829.127076]  dump_stack+0x244/0x39d
[  829.154669] lowmem_reserve[]: 0 2818 6321 6321
[  829.157303]  ? dump_stack_print_info.cold.1+0x20/0x20
[  829.183392] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  829.187051]  warn_alloc.cold.116+0xb7/0x1bd
[  829.191591] lowmem_reserve[]: 0 0 3503 3503
[  829.196794]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  829.224217] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  829.228574]  ? lock_downgrade+0x900/0x900
[  829.232861] lowmem_reserve[]: 0 0 0 0
[  829.237717]  ? trace_hardirqs_off+0xb8/0x310
[  829.266594] 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
[  829.270776]  ? trace_hardirqs_off+0xb8/0x310
[  829.274539] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  829.278965]  __alloc_pages_slowpath+0x26fe/0x2e30
[  829.292483] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  829.296931]  ? warn_alloc+0x120/0x120
[  829.311328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  829.316182]  ? warn_alloc+0x120/0x120
[  829.331424] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  829.331436] 296 total pagecache pages
[  829.335260]  ? warn_alloc+0x120/0x120
[  829.344082] 0 pages in swap cache
[  829.347901]  ? print_usage_bug+0xc0/0xc0
[  829.356457] Swap cache stats: add 0, delete 0, find 0/0
[  829.360304]  ? print_usage_bug+0xc0/0xc0
[  829.364043] Free swap  = 0kB
[  829.367495]  ? mark_held_locks+0x130/0x130
[  829.371529] Total swap = 0kB
[  829.376903]  ? mark_held_locks+0x130/0x130
[  829.380937] 1965979 pages RAM
[  829.383961]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  829.388171] 0 pages HighMem/MovableOnly
[  829.391223]  ? should_fail+0x22d/0xd01
[  829.395434] 342854 pages reserved
[  829.398540]  ? graph_lock+0x270/0x270
[  829.404052] 0 pages cma reserved
[  829.408033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  829.412011] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  829.415371]  ? __lock_acquire+0x62f/0x4c20
[  829.419299] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  829.422513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  829.427597] syz-fuzzer cpuset=/ mems_allowed=0
[  829.434101]  ? __lock_acquire+0x62f/0x4c20
[  829.462450]  ? should_fail+0x22d/0xd01
[  829.466372]  ? mark_held_locks+0x130/0x130
[  829.470613]  ? mark_held_locks+0x130/0x130
[  829.474864]  ? lock_downgrade+0x900/0x900
[  829.479045]  ? graph_lock+0x270/0x270
[  829.482852]  ? graph_lock+0x270/0x270
[  829.486649]  ? do_raw_spin_unlock+0xa7/0x330
[  829.491069]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  829.495834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.501383]  ? check_preemption_disabled+0x48/0x280
[  829.506419]  ? __lock_is_held+0xb5/0x140
[  829.510492]  __alloc_pages_nodemask+0xa7b/0xdd0
[  829.515215]  ? graph_lock+0x270/0x270
[  829.519033]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  829.524069]  ? find_held_lock+0x36/0x1c0
[  829.528147]  ? ____cache_alloc_node+0x1c7/0x1e0
[  829.532826]  ? lock_downgrade+0x900/0x900
[  829.536987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.542538]  cache_grow_begin+0xa5/0x8c0
[  829.546609]  ? do_raw_spin_unlock+0xa7/0x330
[  829.551031]  fallback_alloc+0x204/0x2e0
[  829.555017]  ____cache_alloc_node+0x1c7/0x1e0
[  829.559526]  kmem_cache_alloc_node+0xe3/0x730
[  829.564039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  829.568637]  __alloc_skb+0x114/0x770
[  829.572356]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  829.577732]  ? netdev_alloc_frag+0x1f0/0x1f0
[  829.582158]  ? vprintk_default+0x28/0x30
[  829.586240]  ? vprintk_func+0x85/0x181
[  829.590131]  ? printk+0xa7/0xcf
[  829.593419]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  829.598207]  ? do_raw_spin_trylock+0x270/0x270
[  829.602804]  new_skb+0x26/0x1c0
[  829.606088]  aoecmd_cfg+0x279/0x7f0
[  829.609738]  ? find_held_lock+0x36/0x1c0
[  829.613806]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  829.618146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.623724]  ? __lock_is_held+0xb5/0x140
[  829.627820]  discover_timer+0x50/0x60
[  829.631632]  call_timer_fn+0x26d/0x920
[  829.635527]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  829.640380]  ? process_timeout+0x40/0x40
[  829.644457]  ? __run_timers+0x7d5/0xc60
[  829.648444]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.652943]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.657445]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  829.662297]  ? lockdep_hardirqs_on+0x296/0x5b0
[  829.666884]  ? trace_hardirqs_on+0xbd/0x310
[  829.671221]  ? kasan_check_read+0x11/0x20
[  829.675378]  ? __run_timers+0x7d5/0xc60
[  829.679375]  ? trace_hardirqs_off_caller+0x300/0x300
[  829.684514]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  829.689359]  __run_timers+0x7e0/0xc60
[  829.693175]  ? timer_fixup_init+0x70/0x70
[  829.697356]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.701853]  ? _raw_spin_unlock_irq+0x27/0x80
[  829.706377]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  829.710975]  ? trace_hardirqs_on+0xbd/0x310
[  829.715304]  ? kasan_check_read+0x11/0x20
[  829.719462]  ? finish_task_switch+0x1f4/0x920
[  829.723980]  ? trace_hardirqs_off_caller+0x300/0x300
[  829.729104]  ? compat_start_thread+0x80/0x80
[  829.733554]  ? pvclock_read_flags+0x160/0x160
[  829.738070]  ? __switch_to_asm+0x34/0x70
[  829.742166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.747724]  ? check_preemption_disabled+0x48/0x280
[  829.752764]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  829.758314]  ? rcu_pm_notify+0xc0/0xc0
[  829.762222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  829.767781]  ? check_preemption_disabled+0x48/0x280
[  829.772812]  run_timer_softirq+0x52/0xb0
[  829.776883]  ? rcu_read_lock_sched_held+0x14f/0x180
[  829.781916]  __do_softirq+0x308/0xb7e
[  829.785739]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  829.790513]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  829.795634]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  829.800426]  ? trace_hardirqs_off+0xb8/0x310
[  829.804843]  ? smpboot_thread_fn+0x68b/0xa00
[  829.809257]  ? trace_hardirqs_on+0x310/0x310
[  829.813671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  829.819227]  ? check_preemption_disabled+0x48/0x280
[  829.824258]  ? takeover_tasklets+0xa90/0xa90
[  829.828671]  run_ksoftirqd+0x5e/0x100
[  829.832513]  smpboot_thread_fn+0x68b/0xa00
[  829.836756]  ? sort_range+0x30/0x30
[  829.840422]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  829.845536]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  829.851081]  ? __kthread_parkme+0xfb/0x1a0
[  829.855331]  ? sort_range+0x30/0x30
[  829.858965]  kthread+0x35a/0x440
[  829.862357]  ? kthread_stop+0x8f0/0x8f0
[  829.866342]  ret_from_fork+0x3a/0x50
[  829.870083] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  829.870173] aoe: skb alloc failure
[  829.878322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  829.878334] Call Trace:
[  829.881994] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  829.891224]  <IRQ>
[  829.893801] ksoftirqd/0 cpuset=/ mems_allowed=0
[  829.904143]  dump_stack+0x244/0x39d
[  829.914586]  ? dump_stack_print_info.cold.1+0x20/0x20
[  829.919808]  warn_alloc.cold.116+0xb7/0x1bd
[  829.924150]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  829.929015]  ? lock_downgrade+0x900/0x900
[  829.933179]  ? trace_hardirqs_off+0xb8/0x310
[  829.937619]  ? trace_hardirqs_off+0xb8/0x310
[  829.942048]  __alloc_pages_slowpath+0x26fe/0x2e30
[  829.946931]  ? warn_alloc+0x120/0x120
[  829.950744]  ? print_usage_bug+0xc0/0xc0
[  829.954814]  ? warn_alloc+0x120/0x120
[  829.958637]  ? warn_alloc+0x120/0x120
[  829.962446]  ? print_usage_bug+0xc0/0xc0
[  829.966514]  ? kvm_clock_read+0x18/0x30
[  829.970503]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  829.975541]  ? print_usage_bug+0xc0/0xc0
[  829.979623]  ? __lock_acquire+0x62f/0x4c20
[  829.983892]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  829.989439]  ? should_fail+0x22d/0xd01
[  829.993363]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  829.998657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  830.003782]  ? __lock_acquire+0x62f/0x4c20
[  830.008032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  830.013149]  ? __lock_acquire+0x62f/0x4c20
[  830.017403]  ? should_fail+0x22d/0xd01
[  830.021301]  ? rcu_irq_exit+0x1a2/0x390
[  830.025297]  ? mark_held_locks+0x130/0x130
[  830.029552]  ? mark_held_locks+0x130/0x130
[  830.033807]  ? mark_held_locks+0xc7/0x130
[  830.037967]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  830.042999]  ? graph_lock+0x270/0x270
[  830.046811]  ? print_usage_bug+0xc0/0xc0
[  830.050891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.056439]  ? check_preemption_disabled+0x48/0x280
[  830.061479]  ? __lock_is_held+0xb5/0x140
[  830.065561]  __alloc_pages_nodemask+0xa7b/0xdd0
[  830.070242]  ? graph_lock+0x270/0x270
[  830.074071]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  830.079111]  ? find_held_lock+0x36/0x1c0
[  830.083235]  ? ____cache_alloc_node+0x1c7/0x1e0
[  830.087919]  ? lock_downgrade+0x900/0x900
[  830.092089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.097648]  cache_grow_begin+0xa5/0x8c0
[  830.101753]  ? do_raw_spin_unlock+0xa7/0x330
[  830.106201]  fallback_alloc+0x204/0x2e0
[  830.110217]  ____cache_alloc_node+0x1c7/0x1e0
[  830.114758]  kmem_cache_alloc_node+0xe3/0x730
[  830.119267]  ? ipv6_get_ifaddr+0x42e/0x620
[  830.123537]  __alloc_skb+0x114/0x770
[  830.127261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  830.132551]  ? netdev_alloc_frag+0x1f0/0x1f0
[  830.136978]  ? lock_downgrade+0x900/0x900
[  830.141143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.146694]  ? refcount_sub_and_test_checked+0x203/0x310
[  830.152171]  ? refcount_dec_if_one+0x180/0x180
[  830.156773]  ? addrconf_rs_timer+0x690/0x690
[  830.161215]  ndisc_alloc_skb+0x144/0x340
[  830.165295]  ndisc_send_rs+0x331/0x6e0
[  830.169207]  addrconf_rs_timer+0x314/0x690
[  830.173458]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  830.177714]  call_timer_fn+0x26d/0x920
[  830.181607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  830.185855]  ? process_timeout+0x40/0x40
[  830.189951]  ? mark_held_locks+0xc7/0x130
[  830.194124]  ? _raw_spin_unlock_irq+0x27/0x80
[  830.198632]  ? _raw_spin_unlock_irq+0x27/0x80
[  830.203133]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  830.207406]  ? lockdep_hardirqs_on+0x296/0x5b0
[  830.212004]  ? trace_hardirqs_on+0xbd/0x310
[  830.216330]  ? kasan_check_read+0x11/0x20
[  830.220514]  ? __run_timers+0x7d5/0xc60
[  830.224525]  ? trace_hardirqs_off_caller+0x300/0x300
[  830.229642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  830.233893]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  830.238133]  __run_timers+0x7e0/0xc60
[  830.241960]  ? timer_fixup_init+0x70/0x70
[  830.246119]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  830.251148]  ? graph_lock+0x270/0x270
[  830.254972]  ? print_usage_bug+0xc0/0xc0
[  830.259047]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  830.264260]  ? find_held_lock+0x36/0x1c0
[  830.268341]  ? graph_lock+0x270/0x270
[  830.272182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.277757]  ? check_preemption_disabled+0x48/0x280
[  830.282793]  ? __lock_is_held+0xb5/0x140
[  830.286862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.292431]  ? check_preemption_disabled+0x48/0x280
[  830.297482]  run_timer_softirq+0x52/0xb0
[  830.301560]  ? rcu_read_lock_sched_held+0x14f/0x180
[  830.306609]  __do_softirq+0x308/0xb7e
[  830.310427]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  830.314936]  ? lock_downgrade+0x900/0x900
[  830.319108]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  830.324241]  ? pvclock_read_flags+0x160/0x160
[  830.328753]  ? lapic_next_event+0x5a/0x90
[  830.332912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.338477]  ? kvm_clock_read+0x18/0x30
[  830.342463]  ? kvm_sched_clock_read+0x9/0x20
[  830.346884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.352440]  ? check_preemption_disabled+0x48/0x280
[  830.357484]  irq_exit+0x17f/0x1c0
[  830.360954]  smp_apic_timer_interrupt+0x1cb/0x760
[  830.365820]  ? smp_reschedule_interrupt+0x109/0x650
[  830.370851]  ? smp_call_function_single_interrupt+0x640/0x640
[  830.376756]  ? interrupt_entry+0xb5/0xc0
[  830.380833]  ? trace_hardirqs_off_caller+0xbb/0x300
[  830.385907]  ? trace_hardirqs_off_caller+0xbb/0x300
[  830.390972]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  830.395847]  ? trace_hardirqs_on_caller+0x310/0x310
[  830.400877]  ? trace_hardirqs_on_caller+0x310/0x310
[  830.405920]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  830.410782]  apic_timer_interrupt+0xf/0x20
[  830.415019]  </IRQ>
[  830.417274] RIP: 0010:dump_stack+0x358/0x39d
[  830.421708] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  830.440626] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  830.448360] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  830.455647] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  830.462933] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  830.470227] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  830.477544] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  830.484874]  ? dump_stack+0x34f/0x39d
[  830.488717]  ? dump_stack_print_info.cold.1+0x20/0x20
[  830.493969]  ? mark_held_locks+0x130/0x130
[  830.498225]  ? mark_held_locks+0x130/0x130
[  830.502475]  dump_header+0x27b/0xf72
[  830.506221]  ? pagefault_out_of_memory+0x197/0x197
[  830.511174]  ? mark_held_locks+0x130/0x130
[  830.515442]  ? __lock_acquire+0x62f/0x4c20
[  830.519709]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  830.524484]  ? print_usage_bug+0xc0/0xc0
[  830.528567]  ? graph_lock+0x270/0x270
[  830.532398]  ? graph_lock+0x270/0x270
[  830.536213]  ? print_usage_bug+0xc0/0xc0
[  830.540280]  ? print_usage_bug+0xc0/0xc0
[  830.544348]  ? graph_lock+0x270/0x270
[  830.548174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.553770]  ? find_held_lock+0x36/0x1c0
[  830.557851]  ? mark_held_locks+0xc7/0x130
[  830.562017]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  830.567139]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  830.572266]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  830.576868]  ? trace_hardirqs_on+0xbd/0x310
[  830.581209]  ? kasan_check_read+0x11/0x20
[  830.585390]  ? ___ratelimit+0x3b4/0x672
[  830.589385]  ? trace_hardirqs_off_caller+0x300/0x300
[  830.594505]  ? trace_hardirqs_on+0x310/0x310
[  830.598952]  ? lock_downgrade+0x900/0x900
[  830.603122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  830.608246]  ? ___ratelimit+0x3b9/0x672
[  830.612239]  ? idr_get_free+0xf70/0xf70
[  830.616229]  ? kasan_check_read+0x11/0x20
[  830.620405]  ? do_raw_spin_unlock+0xa7/0x330
[  830.624840]  oom_kill_process.cold.27+0x10/0x903
[  830.629623]  ? graph_lock+0x270/0x270
[  830.633467]  ? _raw_spin_unlock+0x2c/0x50
[  830.637651]  ? oom_badness+0xe6/0xaa0
[  830.641480]  ? oom_evaluate_task+0x540/0x540
[  830.645915]  ? find_held_lock+0x36/0x1c0
[  830.649997]  ? out_of_memory+0x96f/0x1430
[  830.654157]  ? lock_downgrade+0x900/0x900
[  830.658319]  ? check_preemption_disabled+0x48/0x280
[  830.663370]  ? kasan_check_read+0x11/0x20
[  830.667528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  830.672857]  ? rcu_read_unlock_special+0x370/0x370
[  830.677800]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  830.682857]  ? oom_evaluate_task+0x302/0x540
[  830.687287]  out_of_memory+0xa7f/0x1430
[  830.691285]  ? oom_killer_disable+0x3a0/0x3a0
[  830.695792]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  830.700755]  ? __ww_mutex_check_waiters+0x160/0x160
[  830.705796]  __alloc_pages_slowpath+0x236a/0x2e30
[  830.710685]  ? warn_alloc+0x120/0x120
[  830.714501]  ? mark_held_locks+0x130/0x130
[  830.718751]  ? find_get_entry+0xaae/0x1120
[  830.723018]  ? filemap_map_pages+0x1a20/0x1a20
[  830.727621]  ? graph_lock+0x270/0x270
[  830.731447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.737002]  ? check_preemption_disabled+0x48/0x280
[  830.742036]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.747588]  ? should_fail+0x22d/0xd01
[  830.751495]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  830.756619]  ? graph_lock+0x270/0x270
[  830.760460]  ? __lock_is_held+0xb5/0x140
[  830.764539]  ? mark_held_locks+0x130/0x130
[  830.768786]  ? lock_release+0xa10/0xa10
[  830.772771]  ? perf_trace_sched_process_exec+0x860/0x860
[  830.778227]  ? xa_load+0x2ba/0x460
[  830.781779]  ? lock_downgrade+0x900/0x900
[  830.785938]  ? __might_sleep+0x95/0x190
[  830.789929]  __alloc_pages_nodemask+0xa7b/0xdd0
[  830.794616]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  830.799643]  ? __page_cache_alloc+0x177/0x570
[  830.804146]  ? xa_load+0x2e1/0x460
[  830.807700]  ? xa_clear_mark+0x40/0x40
[  830.811600]  ? graph_lock+0x270/0x270
[  830.815422]  ? graph_lock+0x270/0x270
[  830.819233]  ? graph_lock+0x270/0x270
[  830.823051]  ? __do_page_cache_readahead+0x663/0x810
[  830.828218]  ? find_held_lock+0x36/0x1c0
[  830.832339]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  830.837911]  alloc_pages_current+0x173/0x350
[  830.842341]  __page_cache_alloc+0x3ce/0x570
[  830.846674]  ? kasan_check_read+0x11/0x20
[  830.850837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  830.856133]  ? generic_perform_write+0x6a0/0x6a0
[  830.860905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  830.866459]  ? check_preemption_disabled+0x48/0x280
[  830.871501]  filemap_fault+0x1595/0x25f0
[  830.875586]  ? __lock_page_or_retry+0xa00/0xa00
[  830.880273]  ? mark_held_locks+0x130/0x130
[  830.884542]  ? filemap_map_pages+0xd6b/0x1a20
[  830.889053]  ? lock_downgrade+0x900/0x900
[  830.893217]  ? check_preemption_disabled+0x48/0x280
[  830.898268]  ? kasan_check_read+0x11/0x20
[  830.902424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  830.907717]  ? rcu_read_unlock_special+0x370/0x370
[  830.912678]  ? filemap_map_pages+0xd92/0x1a20
[  830.917241]  ? find_get_entries_tag+0x1400/0x1400
[  830.922102]  ? debug_object_destroy+0x2b0/0x2b0
[  830.926786]  ? lock_pi_update_atomic+0x150/0x150
[  830.931556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  830.937121]  ? lock_acquire+0x1ed/0x520
[  830.941106]  ? ext4_filemap_fault+0x7a/0xad
[  830.945837]  ? lock_release+0xa10/0xa10
[  830.949823]  ? perf_trace_sched_process_exec+0x860/0x860
[  830.955291]  ? print_usage_bug+0xc0/0xc0
[  830.959369]  ? print_usage_bug+0xc0/0xc0
[  830.963453]  ? down_read+0x8d/0x120
[  830.967089]  ? ext4_filemap_fault+0x7a/0xad
[  830.971422]  ? __down_interruptible+0x700/0x700
[  830.976114]  ext4_filemap_fault+0x82/0xad
[  830.980285]  __do_fault+0x100/0x6b0
[  830.983935]  ? do_futex+0x1df/0x26d0
[  830.987678]  ? pmd_devmap_trans_unstable+0x220/0x220
[  830.992821]  ? mark_held_locks+0x130/0x130
[  830.997076]  ? mark_held_locks+0x130/0x130
[  831.001352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.006912]  __handle_mm_fault+0x3ea0/0x5be0
[  831.011336]  ? perf_trace_lock+0x7a0/0x7a0
[  831.015591]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  831.020456]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  831.025077]  ? graph_lock+0x270/0x270
[  831.028903]  ? graph_lock+0x270/0x270
[  831.032731]  ? __x64_sys_futex+0x53e/0x6a0
[  831.036978]  ? find_held_lock+0x36/0x1c0
[  831.041061]  ? handle_mm_fault+0x42a/0xc70
[  831.045308]  ? lock_downgrade+0x900/0x900
[  831.049467]  ? check_preemption_disabled+0x48/0x280
[  831.054513]  ? kasan_check_read+0x11/0x20
[  831.058675]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  831.063970]  ? rcu_read_unlock_special+0x370/0x370
[  831.068933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.075002]  ? check_preemption_disabled+0x48/0x280
[  831.080049]  handle_mm_fault+0x54f/0xc70
[  831.084122]  ? __handle_mm_fault+0x5be0/0x5be0
[  831.088732]  ? find_vma+0x34/0x190
[  831.092290]  __do_page_fault+0x5d6/0xe40
[  831.096390]  ? trace_hardirqs_off+0xb8/0x310
[  831.100819]  do_page_fault+0xed/0x7d1
[  831.104636]  ? vmalloc_sync_all+0x30/0x30
[  831.108805]  ? error_entry+0x70/0xd0
[  831.112538]  ? trace_hardirqs_off_caller+0xbb/0x300
[  831.117560]  ? trace_hardirqs_on_caller+0xc0/0x310
[  831.122496]  ? syscall_return_slowpath+0x5e0/0x5e0
[  831.127441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  831.132299]  ? trace_hardirqs_on_caller+0x310/0x310
[  831.137334]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  831.142810]  ? prepare_exit_to_usermode+0x291/0x3b0
[  831.147845]  ? page_fault+0x8/0x30
[  831.151405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  831.156270]  ? page_fault+0x8/0x30
[  831.159821]  page_fault+0x1e/0x30
[  831.163282] RIP: 0033:0x45ddf3
[  831.166499] Code: Bad RIP value.
[  831.169866] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  831.175244] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  831.182523] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  831.189802] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  831.197086] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  831.204370] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  831.211732] warn_alloc_show_mem: 1 callbacks suppressed
[  831.211744] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  831.211746] Mem-Info:
[  831.211775] active_anon:129018 inactive_anon:195 isolated_anon:0
[  831.211775]  active_file:12 inactive_file:15 isolated_file:0
[  831.211775]  unevictable:1 dirty:0 writeback:0 unstable:0
[  831.211775]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  831.211775]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  831.211775]  free:13741 free_pcp:161 free_cma:0
[  831.217133] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  831.225212] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  831.227619] Call Trace:
[  831.260679] 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
[  831.270064]  dump_stack+0x244/0x39d
[  831.297631] lowmem_reserve[]: 0 2818 6321 6321
[  831.300283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  831.326369] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  831.330020]  warn_alloc.cold.116+0xb7/0x1bd
[  831.334556] lowmem_reserve[]: 0 0 3503 3503
[  831.339752]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  831.367151] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  831.371491]  ? lock_downgrade+0x900/0x900
[  831.375775] lowmem_reserve[]: 0 0 0 0
[  831.380631]  ? trace_hardirqs_off+0xb8/0x310
[  831.409504] 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
[  831.413675]  ? trace_hardirqs_off+0xb8/0x310
[  831.417438] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  831.421854]  __alloc_pages_slowpath+0x26fe/0x2e30
[  831.435364] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  831.439814]  ? warn_alloc+0x120/0x120
[  831.454177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  831.459049]  ? warn_alloc+0x120/0x120
[  831.474293] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  831.478107]  ? warn_alloc+0x120/0x120
[  831.486917] 296 total pagecache pages
[  831.490755]  ? print_usage_bug+0xc0/0xc0
[  831.499324] 0 pages in swap cache
[  831.503134]  ? print_usage_bug+0xc0/0xc0
[  831.506904] Swap cache stats: add 0, delete 0, find 0/0
[  831.510973]  ? mark_held_locks+0x130/0x130
[  831.514403] Free swap  = 0kB
[  831.518463]  ? mark_held_locks+0x130/0x130
[  831.523802] Total swap = 0kB
[  831.528043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.531028] 1965979 pages RAM
[  831.535260]  ? should_fail+0x22d/0xd01
[  831.538252] 0 pages HighMem/MovableOnly
[  831.543815]  ? graph_lock+0x270/0x270
[  831.546896] 342854 pages reserved
[  831.550779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  831.554728] 0 pages cma reserved
[  831.558532]  ? __lock_acquire+0x62f/0x4c20
[  831.562051] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  831.567085]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  831.570653] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  831.574667]  ? __lock_acquire+0x62f/0x4c20
[  831.581141] syz-fuzzer cpuset=/ mems_allowed=0
[  831.586247]  ? should_fail+0x22d/0xd01
[  831.609180]  ? mark_held_locks+0x130/0x130
[  831.613457]  ? mark_held_locks+0x130/0x130
[  831.617698]  ? lock_downgrade+0x900/0x900
[  831.621854]  ? graph_lock+0x270/0x270
[  831.625662]  ? graph_lock+0x270/0x270
[  831.629466]  ? do_raw_spin_unlock+0xa7/0x330
[  831.633889]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  831.638659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.644228]  ? check_preemption_disabled+0x48/0x280
[  831.649281]  ? __lock_is_held+0xb5/0x140
[  831.653372]  __alloc_pages_nodemask+0xa7b/0xdd0
[  831.658052]  ? graph_lock+0x270/0x270
[  831.661867]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  831.666901]  ? find_held_lock+0x36/0x1c0
[  831.670978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  831.675653]  ? lock_downgrade+0x900/0x900
[  831.679820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.685371]  cache_grow_begin+0xa5/0x8c0
[  831.689439]  ? do_raw_spin_unlock+0xa7/0x330
[  831.693862]  fallback_alloc+0x204/0x2e0
[  831.697848]  ____cache_alloc_node+0x1c7/0x1e0
[  831.702357]  kmem_cache_alloc_node+0xe3/0x730
[  831.706858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  831.711454]  __alloc_skb+0x114/0x770
[  831.715173]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  831.720558]  ? netdev_alloc_frag+0x1f0/0x1f0
[  831.724997]  ? vprintk_default+0x28/0x30
[  831.729065]  ? vprintk_func+0x85/0x181
[  831.732957]  ? printk+0xa7/0xcf
[  831.736266]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  831.741049]  ? do_raw_spin_trylock+0x270/0x270
[  831.745639]  new_skb+0x26/0x1c0
[  831.748937]  aoecmd_cfg+0x279/0x7f0
[  831.752574]  ? find_held_lock+0x36/0x1c0
[  831.756645]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  831.760978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.766548]  ? __lock_is_held+0xb5/0x140
[  831.770642]  discover_timer+0x50/0x60
[  831.774445]  call_timer_fn+0x26d/0x920
[  831.778351]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  831.783215]  ? process_timeout+0x40/0x40
[  831.787295]  ? __run_timers+0x7d5/0xc60
[  831.791277]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.795776]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.800279]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  831.805163]  ? lockdep_hardirqs_on+0x296/0x5b0
[  831.809762]  ? trace_hardirqs_on+0xbd/0x310
[  831.814085]  ? kasan_check_read+0x11/0x20
[  831.818240]  ? __run_timers+0x7d5/0xc60
[  831.822240]  ? trace_hardirqs_off_caller+0x300/0x300
[  831.827360]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  831.832217]  __run_timers+0x7e0/0xc60
[  831.836037]  ? timer_fixup_init+0x70/0x70
[  831.840204]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.844703]  ? _raw_spin_unlock_irq+0x27/0x80
[  831.849250]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  831.853842]  ? trace_hardirqs_on+0xbd/0x310
[  831.858173]  ? kasan_check_read+0x11/0x20
[  831.862355]  ? finish_task_switch+0x1f4/0x920
[  831.866874]  ? trace_hardirqs_off_caller+0x300/0x300
[  831.871987]  ? compat_start_thread+0x80/0x80
[  831.876427]  ? pvclock_read_flags+0x160/0x160
[  831.880926]  ? __switch_to_asm+0x34/0x70
[  831.885001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.890547]  ? check_preemption_disabled+0x48/0x280
[  831.895580]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  831.901124]  ? rcu_pm_notify+0xc0/0xc0
[  831.905018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  831.910568]  ? check_preemption_disabled+0x48/0x280
[  831.915611]  run_timer_softirq+0x52/0xb0
[  831.919683]  ? rcu_read_lock_sched_held+0x14f/0x180
[  831.924706]  __do_softirq+0x308/0xb7e
[  831.928519]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  831.933289]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  831.938415]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  831.943206]  ? trace_hardirqs_off+0xb8/0x310
[  831.947656]  ? smpboot_thread_fn+0x68b/0xa00
[  831.952070]  ? trace_hardirqs_on+0x310/0x310
[  831.956484]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.962034]  ? check_preemption_disabled+0x48/0x280
[  831.967057]  ? takeover_tasklets+0xa90/0xa90
[  831.971474]  run_ksoftirqd+0x5e/0x100
[  831.975280]  smpboot_thread_fn+0x68b/0xa00
[  831.979525]  ? sort_range+0x30/0x30
[  831.983161]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  831.988284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  831.993829]  ? __kthread_parkme+0xfb/0x1a0
[  831.998073]  ? sort_range+0x30/0x30
[  832.001719]  kthread+0x35a/0x440
[  832.005092]  ? kthread_stop+0x8f0/0x8f0
[  832.009093]  ret_from_fork+0x3a/0x50
[  832.012834] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  832.012928] aoe: skb alloc failure
[  832.021077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  832.021083] Call Trace:
[  832.021090]  <IRQ>
[  832.021116]  dump_stack+0x244/0x39d
[  832.021135]  ? dump_stack_print_info.cold.1+0x20/0x20
[  832.021161]  warn_alloc.cold.116+0xb7/0x1bd
[  832.024736] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  832.034072]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  832.036654] ksoftirqd/0 cpuset=/ mems_allowed=0
[  832.038810]  ? lock_downgrade+0x900/0x900
[  832.075868]  ? trace_hardirqs_off+0xb8/0x310
[  832.080300]  ? trace_hardirqs_off+0xb8/0x310
[  832.084724]  __alloc_pages_slowpath+0x26fe/0x2e30
[  832.089612]  ? warn_alloc+0x120/0x120
[  832.093415]  ? print_usage_bug+0xc0/0xc0
[  832.097479]  ? warn_alloc+0x120/0x120
[  832.101285]  ? warn_alloc+0x120/0x120
[  832.105104]  ? print_usage_bug+0xc0/0xc0
[  832.109167]  ? kvm_clock_read+0x18/0x30
[  832.113149]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  832.118166]  ? print_usage_bug+0xc0/0xc0
[  832.122241]  ? __lock_acquire+0x62f/0x4c20
[  832.126481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.132021]  ? should_fail+0x22d/0xd01
[  832.135915]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  832.141021]  ? __lock_acquire+0x62f/0x4c20
[  832.145264]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  832.150367]  ? __lock_acquire+0x62f/0x4c20
[  832.154603]  ? should_fail+0x22d/0xd01
[  832.158502]  ? mark_held_locks+0x130/0x130
[  832.162752]  ? mark_held_locks+0x130/0x130
[  832.166988]  ? mark_held_locks+0xc7/0x130
[  832.171146]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  832.176196]  ? graph_lock+0x270/0x270
[  832.179996]  ? print_usage_bug+0xc0/0xc0
[  832.184075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.189615]  ? check_preemption_disabled+0x48/0x280
[  832.194640]  ? __lock_is_held+0xb5/0x140
[  832.198725]  __alloc_pages_nodemask+0xa7b/0xdd0
[  832.203398]  ? graph_lock+0x270/0x270
[  832.207210]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  832.212239]  ? find_held_lock+0x36/0x1c0
[  832.216310]  ? ____cache_alloc_node+0x1c7/0x1e0
[  832.220979]  ? lock_downgrade+0x900/0x900
[  832.225139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.230686]  cache_grow_begin+0xa5/0x8c0
[  832.234756]  ? do_raw_spin_unlock+0xa7/0x330
[  832.239175]  fallback_alloc+0x204/0x2e0
[  832.243170]  ____cache_alloc_node+0x1c7/0x1e0
[  832.247683]  kmem_cache_alloc_node+0xe3/0x730
[  832.252182]  ? ipv6_get_ifaddr+0x42e/0x620
[  832.256439]  __alloc_skb+0x114/0x770
[  832.260152]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  832.265430]  ? netdev_alloc_frag+0x1f0/0x1f0
[  832.269856]  ? lock_downgrade+0x900/0x900
[  832.274026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.279568]  ? refcount_sub_and_test_checked+0x203/0x310
[  832.285028]  ? refcount_dec_if_one+0x180/0x180
[  832.289615]  ? addrconf_rs_timer+0x690/0x690
[  832.294044]  ndisc_alloc_skb+0x144/0x340
[  832.298113]  ndisc_send_rs+0x331/0x6e0
[  832.302011]  addrconf_rs_timer+0x314/0x690
[  832.306272]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  832.310530]  call_timer_fn+0x26d/0x920
[  832.314416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  832.318655]  ? process_timeout+0x40/0x40
[  832.322733]  ? mark_held_locks+0xc7/0x130
[  832.326888]  ? _raw_spin_unlock_irq+0x27/0x80
[  832.331404]  ? _raw_spin_unlock_irq+0x27/0x80
[  832.335896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  832.340137]  ? lockdep_hardirqs_on+0x296/0x5b0
[  832.344729]  ? trace_hardirqs_on+0xbd/0x310
[  832.349052]  ? kasan_check_read+0x11/0x20
[  832.353225]  ? __run_timers+0x7d5/0xc60
[  832.357212]  ? trace_hardirqs_off_caller+0x300/0x300
[  832.362342]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  832.366587]  __run_timers+0x7e0/0xc60
[  832.370399]  ? timer_fixup_init+0x70/0x70
[  832.374552]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  832.379570]  ? graph_lock+0x270/0x270
[  832.383389]  ? print_usage_bug+0xc0/0xc0
[  832.387455]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  832.392654]  ? find_held_lock+0x36/0x1c0
[  832.396724]  ? graph_lock+0x270/0x270
[  832.400529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.406068]  ? check_preemption_disabled+0x48/0x280
[  832.411097]  ? __lock_is_held+0xb5/0x140
[  832.415162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.420710]  ? check_preemption_disabled+0x48/0x280
[  832.425735]  run_timer_softirq+0x52/0xb0
[  832.429802]  ? rcu_read_lock_sched_held+0x14f/0x180
[  832.434817]  __do_softirq+0x308/0xb7e
[  832.438625]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  832.443121]  ? lock_downgrade+0x900/0x900
[  832.447275]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  832.452390]  ? pvclock_read_flags+0x160/0x160
[  832.456892]  ? lapic_next_event+0x5a/0x90
[  832.461041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.466585]  ? kvm_clock_read+0x18/0x30
[  832.470579]  ? kvm_sched_clock_read+0x9/0x20
[  832.474988]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.480529]  ? check_preemption_disabled+0x48/0x280
[  832.485553]  irq_exit+0x17f/0x1c0
[  832.489008]  smp_apic_timer_interrupt+0x1cb/0x760
[  832.493850]  ? smp_reschedule_interrupt+0x109/0x650
[  832.498871]  ? smp_call_function_single_interrupt+0x640/0x640
[  832.504757]  ? interrupt_entry+0xb5/0xc0
[  832.508822]  ? trace_hardirqs_off_caller+0xbb/0x300
[  832.513852]  ? trace_hardirqs_off_caller+0xbb/0x300
[  832.518869]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  832.523733]  ? trace_hardirqs_on_caller+0x310/0x310
[  832.528796]  ? trace_hardirqs_on_caller+0x310/0x310
[  832.533825]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  832.538676]  apic_timer_interrupt+0xf/0x20
[  832.542905]  </IRQ>
[  832.545148] RIP: 0010:dump_stack+0x358/0x39d
[  832.549557] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  832.568454] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  832.576158] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  832.583430] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  832.590711] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  832.597976] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  832.605243] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  832.612529]  ? dump_stack+0x34f/0x39d
[  832.616351]  ? dump_stack_print_info.cold.1+0x20/0x20
[  832.621543]  ? mark_held_locks+0x130/0x130
[  832.625791]  ? mark_held_locks+0x130/0x130
[  832.630053]  dump_header+0x27b/0xf72
[  832.633795]  ? pagefault_out_of_memory+0x197/0x197
[  832.638750]  ? mark_held_locks+0x130/0x130
[  832.642986]  ? __lock_acquire+0x62f/0x4c20
[  832.647224]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  832.651984]  ? print_usage_bug+0xc0/0xc0
[  832.656054]  ? graph_lock+0x270/0x270
[  832.659852]  ? graph_lock+0x270/0x270
[  832.663656]  ? print_usage_bug+0xc0/0xc0
[  832.667718]  ? print_usage_bug+0xc0/0xc0
[  832.671811]  ? graph_lock+0x270/0x270
[  832.675614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.681157]  ? find_held_lock+0x36/0x1c0
[  832.685237]  ? mark_held_locks+0xc7/0x130
[  832.689420]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  832.694526]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  832.699632]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  832.704221]  ? trace_hardirqs_on+0xbd/0x310
[  832.708545]  ? kasan_check_read+0x11/0x20
[  832.712718]  ? ___ratelimit+0x3b4/0x672
[  832.716736]  ? trace_hardirqs_off_caller+0x300/0x300
[  832.721839]  ? trace_hardirqs_on+0x310/0x310
[  832.726247]  ? lock_downgrade+0x900/0x900
[  832.730405]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  832.735511]  ? ___ratelimit+0x3b9/0x672
[  832.739491]  ? idr_get_free+0xf70/0xf70
[  832.743466]  ? kasan_check_read+0x11/0x20
[  832.747618]  ? do_raw_spin_unlock+0xa7/0x330
[  832.752034]  oom_kill_process.cold.27+0x10/0x903
[  832.756819]  ? graph_lock+0x270/0x270
[  832.760640]  ? _raw_spin_unlock+0x2c/0x50
[  832.764789]  ? oom_badness+0xe6/0xaa0
[  832.768597]  ? oom_evaluate_task+0x540/0x540
[  832.773020]  ? find_held_lock+0x36/0x1c0
[  832.777086]  ? out_of_memory+0x96f/0x1430
[  832.781236]  ? lock_downgrade+0x900/0x900
[  832.785380]  ? check_preemption_disabled+0x48/0x280
[  832.790403]  ? kasan_check_read+0x11/0x20
[  832.794550]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  832.799830]  ? rcu_read_unlock_special+0x370/0x370
[  832.804762]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  832.809778]  ? oom_evaluate_task+0x302/0x540
[  832.814202]  out_of_memory+0xa7f/0x1430
[  832.818198]  ? oom_killer_disable+0x3a0/0x3a0
[  832.822702]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  832.827638]  ? __ww_mutex_check_waiters+0x160/0x160
[  832.832684]  __alloc_pages_slowpath+0x236a/0x2e30
[  832.837562]  ? warn_alloc+0x120/0x120
[  832.841377]  ? mark_held_locks+0x130/0x130
[  832.845618]  ? find_get_entry+0xaae/0x1120
[  832.849864]  ? filemap_map_pages+0x1a20/0x1a20
[  832.854451]  ? graph_lock+0x270/0x270
[  832.858262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  832.863819]  ? check_preemption_disabled+0x48/0x280
[  832.868859]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.874449]  ? should_fail+0x22d/0xd01
[  832.878341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  832.883447]  ? graph_lock+0x270/0x270
[  832.887275]  ? __lock_is_held+0xb5/0x140
[  832.891343]  ? mark_held_locks+0x130/0x130
[  832.895582]  ? lock_release+0xa10/0xa10
[  832.899557]  ? perf_trace_sched_process_exec+0x860/0x860
[  832.905007]  ? xa_load+0x2ba/0x460
[  832.908548]  ? lock_downgrade+0x900/0x900
[  832.912704]  ? __might_sleep+0x95/0x190
[  832.916688]  __alloc_pages_nodemask+0xa7b/0xdd0
[  832.921368]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  832.926398]  ? __page_cache_alloc+0x177/0x570
[  832.930894]  ? xa_load+0x2e1/0x460
[  832.934442]  ? xa_clear_mark+0x40/0x40
[  832.938334]  ? graph_lock+0x270/0x270
[  832.942282]  ? graph_lock+0x270/0x270
[  832.946099]  ? graph_lock+0x270/0x270
[  832.949901]  ? __do_page_cache_readahead+0x663/0x810
[  832.955027]  ? find_held_lock+0x36/0x1c0
[  832.959091]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  832.964637]  alloc_pages_current+0x173/0x350
[  832.969066]  __page_cache_alloc+0x3ce/0x570
[  832.973391]  ? kasan_check_read+0x11/0x20
[  832.977543]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  832.982826]  ? generic_perform_write+0x6a0/0x6a0
[  832.987582]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  832.993118]  ? check_preemption_disabled+0x48/0x280
[  832.998161]  filemap_fault+0x1595/0x25f0
[  833.002278]  ? __lock_page_or_retry+0xa00/0xa00
[  833.006953]  ? mark_held_locks+0x130/0x130
[  833.011206]  ? filemap_map_pages+0xd6b/0x1a20
[  833.015764]  ? lock_downgrade+0x900/0x900
[  833.019916]  ? check_preemption_disabled+0x48/0x280
[  833.024970]  ? kasan_check_read+0x11/0x20
[  833.029115]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.034394]  ? rcu_read_unlock_special+0x370/0x370
[  833.039336]  ? filemap_map_pages+0xd92/0x1a20
[  833.043875]  ? find_get_entries_tag+0x1400/0x1400
[  833.048725]  ? debug_object_destroy+0x2b0/0x2b0
[  833.053397]  ? lock_pi_update_atomic+0x150/0x150
[  833.058150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.063719]  ? lock_acquire+0x1ed/0x520
[  833.067723]  ? ext4_filemap_fault+0x7a/0xad
[  833.072066]  ? lock_release+0xa10/0xa10
[  833.076540]  ? perf_trace_sched_process_exec+0x860/0x860
[  833.081995]  ? print_usage_bug+0xc0/0xc0
[  833.086065]  ? print_usage_bug+0xc0/0xc0
[  833.090140]  ? down_read+0x8d/0x120
[  833.093767]  ? ext4_filemap_fault+0x7a/0xad
[  833.098088]  ? __down_interruptible+0x700/0x700
[  833.102767]  ext4_filemap_fault+0x82/0xad
[  833.106918]  __do_fault+0x100/0x6b0
[  833.110542]  ? do_futex+0x1df/0x26d0
[  833.114268]  ? pmd_devmap_trans_unstable+0x220/0x220
[  833.119377]  ? mark_held_locks+0x130/0x130
[  833.123616]  ? mark_held_locks+0x130/0x130
[  833.127865]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.133406]  __handle_mm_fault+0x3ea0/0x5be0
[  833.137813]  ? perf_trace_lock+0x7a0/0x7a0
[  833.142053]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  833.146906]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  833.151502]  ? graph_lock+0x270/0x270
[  833.155300]  ? graph_lock+0x270/0x270
[  833.159099]  ? __x64_sys_futex+0x53e/0x6a0
[  833.163353]  ? find_held_lock+0x36/0x1c0
[  833.167441]  ? handle_mm_fault+0x42a/0xc70
[  833.171683]  ? lock_downgrade+0x900/0x900
[  833.175831]  ? check_preemption_disabled+0x48/0x280
[  833.180854]  ? kasan_check_read+0x11/0x20
[  833.185019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  833.190294]  ? rcu_read_unlock_special+0x370/0x370
[  833.195225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.200781]  ? check_preemption_disabled+0x48/0x280
[  833.205804]  handle_mm_fault+0x54f/0xc70
[  833.209868]  ? __handle_mm_fault+0x5be0/0x5be0
[  833.214451]  ? find_vma+0x34/0x190
[  833.218002]  __do_page_fault+0x5d6/0xe40
[  833.222062]  ? trace_hardirqs_off+0xb8/0x310
[  833.226483]  do_page_fault+0xed/0x7d1
[  833.230285]  ? vmalloc_sync_all+0x30/0x30
[  833.234436]  ? error_entry+0x70/0xd0
[  833.238155]  ? trace_hardirqs_off_caller+0xbb/0x300
[  833.243179]  ? trace_hardirqs_on_caller+0xc0/0x310
[  833.248122]  ? syscall_return_slowpath+0x5e0/0x5e0
[  833.253053]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  833.257899]  ? trace_hardirqs_on_caller+0x310/0x310
[  833.262918]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  833.268376]  ? prepare_exit_to_usermode+0x291/0x3b0
[  833.273394]  ? page_fault+0x8/0x30
[  833.276973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  833.281819]  ? page_fault+0x8/0x30
[  833.285361]  page_fault+0x1e/0x30
[  833.288811] RIP: 0033:0x45ddf3
[  833.292019] Code: Bad RIP value.
[  833.295379] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  833.300755] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  833.308021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  833.315302] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  833.322565] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  833.329864] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  833.337178] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  833.337183] warn_alloc_show_mem: 1 callbacks suppressed
[  833.337217] Mem-Info:
[  833.345272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  833.350654] active_anon:129018 inactive_anon:195 isolated_anon:0
[  833.350654]  active_file:12 inactive_file:15 isolated_file:0
[  833.350654]  unevictable:1 dirty:0 writeback:0 unstable:0
[  833.350654]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  833.350654]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  833.350654]  free:13741 free_pcp:161 free_cma:0
[  833.353026] Call Trace:
[  833.362425] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  833.395455]  dump_stack+0x244/0x39d
[  833.398014] 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
[  833.425592]  ? dump_stack_print_info.cold.1+0x20/0x20
[  833.429197] lowmem_reserve[]: 0 2818 6321 6321
[  833.455322]  warn_alloc.cold.116+0xb7/0x1bd
[  833.460476] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  833.465049]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  833.469343] lowmem_reserve[]: 0 0 3503 3503
[  833.496748]  ? lock_downgrade+0x900/0x900
[  833.501560] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  833.505910]  ? trace_hardirqs_off+0xb8/0x310
[  833.510017] lowmem_reserve[]: 0 0 0 0
[  833.538909]  ? trace_hardirqs_off+0xb8/0x310
[  833.543291] 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
[  833.547092]  __alloc_pages_slowpath+0x26fe/0x2e30
[  833.551485] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  833.565022]  ? warn_alloc+0x120/0x120
[  833.569814] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  833.584217]  ? warn_alloc+0x120/0x120
[  833.587995] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  833.603245]  ? warn_alloc+0x120/0x120
[  833.607031] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  833.615855]  ? print_usage_bug+0xc0/0xc0
[  833.619641] 296 total pagecache pages
[  833.628239]  ? print_usage_bug+0xc0/0xc0
[  833.632273] 0 pages in swap cache
[  833.636058]  ? mark_held_locks+0x130/0x130
[  833.640098] Swap cache stats: add 0, delete 0, find 0/0
[  833.643542]  ? mark_held_locks+0x130/0x130
[  833.647752] Free swap  = 0kB
[  833.653129]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  833.657336] Total swap = 0kB
[  833.660348]  ? should_fail+0x22d/0xd01
[  833.665855] 1965979 pages RAM
[  833.668866]  ? graph_lock+0x270/0x270
[  833.672727] 0 pages HighMem/MovableOnly
[  833.675821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  833.679598] 342854 pages reserved
[  833.683561]  ? __lock_acquire+0x62f/0x4c20
[  833.688641] 0 pages cma reserved
[  833.692084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  833.696371] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  833.699647]  ? __lock_acquire+0x62f/0x4c20
[  833.699658]  ? should_fail+0x22d/0xd01
[  833.699682]  ? mark_held_locks+0x130/0x130
[  833.704829] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  833.711256]  ? mark_held_locks+0x130/0x130
[  833.715468] syz-fuzzer cpuset=/ mems_allowed=0
[  833.719346]  ? lock_downgrade+0x900/0x900
[  833.746702]  ? graph_lock+0x270/0x270
[  833.750504]  ? graph_lock+0x270/0x270
[  833.754336]  ? graph_lock+0x270/0x270
[  833.758143]  ? do_raw_spin_unlock+0xa7/0x330
[  833.762569]  ? trace_hardirqs_on+0x310/0x310
[  833.766974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.772539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.778100]  ? check_preemption_disabled+0x48/0x280
[  833.783146]  ? __lock_is_held+0xb5/0x140
[  833.787257]  __alloc_pages_nodemask+0xa7b/0xdd0
[  833.791927]  ? graph_lock+0x270/0x270
[  833.795749]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  833.800775]  ? find_held_lock+0x36/0x1c0
[  833.804846]  ? ____cache_alloc_node+0x1c7/0x1e0
[  833.809513]  ? lock_downgrade+0x900/0x900
[  833.813667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.819222]  cache_grow_begin+0xa5/0x8c0
[  833.823284]  ? do_raw_spin_unlock+0xa7/0x330
[  833.827716]  fallback_alloc+0x204/0x2e0
[  833.831710]  ____cache_alloc_node+0x1c7/0x1e0
[  833.836218]  kmem_cache_alloc_node+0xe3/0x730
[  833.840713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  833.845322]  __alloc_skb+0x114/0x770
[  833.849037]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  833.854408]  ? netdev_alloc_frag+0x1f0/0x1f0
[  833.858838]  ? vprintk_default+0x28/0x30
[  833.862898]  ? vprintk_func+0x85/0x181
[  833.866791]  ? printk+0xa7/0xcf
[  833.870075]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  833.874836]  ? do_raw_spin_trylock+0x270/0x270
[  833.879418]  new_skb+0x26/0x1c0
[  833.882728]  aoecmd_cfg+0x279/0x7f0
[  833.886373]  ? find_held_lock+0x36/0x1c0
[  833.890437]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  833.894764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  833.900317]  ? __lock_is_held+0xb5/0x140
[  833.904394]  discover_timer+0x50/0x60
[  833.908234]  call_timer_fn+0x26d/0x920
[  833.912122]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.916968]  ? process_timeout+0x40/0x40
[  833.921038]  ? __run_timers+0x7d5/0xc60
[  833.925021]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.929542]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.934050]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.938906]  ? lockdep_hardirqs_on+0x296/0x5b0
[  833.943490]  ? trace_hardirqs_on+0xbd/0x310
[  833.947815]  ? kasan_check_read+0x11/0x20
[  833.951959]  ? __run_timers+0x7d5/0xc60
[  833.955968]  ? trace_hardirqs_off_caller+0x300/0x300
[  833.961086]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  833.965928]  __run_timers+0x7e0/0xc60
[  833.969743]  ? timer_fixup_init+0x70/0x70
[  833.973892]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.978392]  ? _raw_spin_unlock_irq+0x27/0x80
[  833.982903]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  833.987486]  ? trace_hardirqs_on+0xbd/0x310
[  833.991822]  ? kasan_check_read+0x11/0x20
[  833.996020]  ? finish_task_switch+0x1f4/0x920
[  834.000519]  ? trace_hardirqs_off_caller+0x300/0x300
[  834.005621]  ? compat_start_thread+0x80/0x80
[  834.010056]  ? pvclock_read_flags+0x160/0x160
[  834.014551]  ? __switch_to_asm+0x34/0x70
[  834.018618]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.024160]  ? check_preemption_disabled+0x48/0x280
[  834.029236]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  834.034775]  ? rcu_pm_notify+0xc0/0xc0
[  834.038663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.044215]  ? check_preemption_disabled+0x48/0x280
[  834.049238]  run_timer_softirq+0x52/0xb0
[  834.053299]  ? rcu_read_lock_sched_held+0x14f/0x180
[  834.058358]  __do_softirq+0x308/0xb7e
[  834.062167]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  834.066938]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  834.072050]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  834.076850]  ? trace_hardirqs_off+0xb8/0x310
[  834.081269]  ? smpboot_thread_fn+0x68b/0xa00
[  834.085682]  ? trace_hardirqs_on+0x310/0x310
[  834.090102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.095645]  ? check_preemption_disabled+0x48/0x280
[  834.100664]  ? takeover_tasklets+0xa90/0xa90
[  834.105072]  run_ksoftirqd+0x5e/0x100
[  834.108875]  smpboot_thread_fn+0x68b/0xa00
[  834.113125]  ? sort_range+0x30/0x30
[  834.116772]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  834.121874]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.127426]  ? __kthread_parkme+0xfb/0x1a0
[  834.131681]  ? sort_range+0x30/0x30
[  834.135309]  kthread+0x35a/0x440
[  834.138674]  ? kthread_stop+0x8f0/0x8f0
[  834.142649]  ret_from_fork+0x3a/0x50
[  834.146385] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  834.146488] aoe: skb alloc failure
[  834.154616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  834.154635] Call Trace:
[  834.154642]  <IRQ>
[  834.154659]  dump_stack+0x244/0x39d
[  834.154691]  ? dump_stack_print_info.cold.1+0x20/0x20
[  834.158253] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  834.167574]  warn_alloc.cold.116+0xb7/0x1bd
[  834.170127] ksoftirqd/0 cpuset=/ mems_allowed=0
[  834.172268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  834.205130]  ? lock_downgrade+0x900/0x900
[  834.209290]  ? trace_hardirqs_off+0xb8/0x310
[  834.213711]  ? trace_hardirqs_off+0xb8/0x310
[  834.218132]  __alloc_pages_slowpath+0x26fe/0x2e30
[  834.223020]  ? warn_alloc+0x120/0x120
[  834.226825]  ? print_usage_bug+0xc0/0xc0
[  834.230883]  ? warn_alloc+0x120/0x120
[  834.234688]  ? warn_alloc+0x120/0x120
[  834.238532]  ? print_usage_bug+0xc0/0xc0
[  834.242599]  ? print_usage_bug+0xc0/0xc0
[  834.246665]  ? __lock_acquire+0x62f/0x4c20
[  834.250927]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.256467]  ? should_fail+0x22d/0xd01
[  834.260356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  834.265455]  ? __lock_acquire+0x62f/0x4c20
[  834.269703]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  834.274803]  ? __lock_acquire+0x62f/0x4c20
[  834.279035]  ? should_fail+0x22d/0xd01
[  834.282918]  ? find_held_lock+0x36/0x1c0
[  834.286992]  ? mark_held_locks+0x130/0x130
[  834.291234]  ? mark_held_locks+0x130/0x130
[  834.295467]  ? graph_lock+0x270/0x270
[  834.299266]  ? graph_lock+0x270/0x270
[  834.303070]  ? print_usage_bug+0xc0/0xc0
[  834.307131]  ? do_raw_spin_unlock+0xa7/0x330
[  834.311539]  ? graph_lock+0x270/0x270
[  834.315340]  ? print_usage_bug+0xc0/0xc0
[  834.319395]  ? wq_watchdog_touch+0x9c/0xfe
[  834.323629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.329167]  ? check_preemption_disabled+0x48/0x280
[  834.334235]  ? __lock_is_held+0xb5/0x140
[  834.338305]  __alloc_pages_nodemask+0xa7b/0xdd0
[  834.342973]  ? graph_lock+0x270/0x270
[  834.346776]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  834.351805]  ? find_held_lock+0x36/0x1c0
[  834.355892]  ? ____cache_alloc_node+0x1c7/0x1e0
[  834.360565]  ? lock_downgrade+0x900/0x900
[  834.364731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.370273]  cache_grow_begin+0xa5/0x8c0
[  834.374363]  ? do_raw_spin_unlock+0xa7/0x330
[  834.378780]  fallback_alloc+0x204/0x2e0
[  834.382775]  ____cache_alloc_node+0x1c7/0x1e0
[  834.387277]  kmem_cache_alloc_node+0xe3/0x730
[  834.391784]  ? ipv6_get_ifaddr+0x42e/0x620
[  834.396030]  __alloc_skb+0x114/0x770
[  834.399743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  834.405021]  ? netdev_alloc_frag+0x1f0/0x1f0
[  834.409427]  ? lock_downgrade+0x900/0x900
[  834.413611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.419148]  ? refcount_sub_and_test_checked+0x203/0x310
[  834.424605]  ? refcount_dec_if_one+0x180/0x180
[  834.429200]  ? addrconf_rs_timer+0x690/0x690
[  834.433623]  ndisc_alloc_skb+0x144/0x340
[  834.437710]  ndisc_send_rs+0x331/0x6e0
[  834.441605]  addrconf_rs_timer+0x314/0x690
[  834.445845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.450087]  call_timer_fn+0x26d/0x920
[  834.453971]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.458213]  ? process_timeout+0x40/0x40
[  834.462286]  ? mark_held_locks+0xc7/0x130
[  834.466437]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.470934]  ? _raw_spin_unlock_irq+0x27/0x80
[  834.475425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.479661]  ? lockdep_hardirqs_on+0x296/0x5b0
[  834.484248]  ? trace_hardirqs_on+0xbd/0x310
[  834.488570]  ? kasan_check_read+0x11/0x20
[  834.492743]  ? __run_timers+0x7d5/0xc60
[  834.496719]  ? trace_hardirqs_off_caller+0x300/0x300
[  834.501827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.506065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  834.510302]  __run_timers+0x7e0/0xc60
[  834.514114]  ? timer_fixup_init+0x70/0x70
[  834.518268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  834.523287]  ? graph_lock+0x270/0x270
[  834.527091]  ? print_usage_bug+0xc0/0xc0
[  834.531158]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  834.536362]  ? find_held_lock+0x36/0x1c0
[  834.540431]  ? graph_lock+0x270/0x270
[  834.544243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.549781]  ? check_preemption_disabled+0x48/0x280
[  834.554809]  ? __lock_is_held+0xb5/0x140
[  834.558876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.564410]  ? check_preemption_disabled+0x48/0x280
[  834.569432]  run_timer_softirq+0x52/0xb0
[  834.573498]  ? rcu_read_lock_sched_held+0x14f/0x180
[  834.578519]  __do_softirq+0x308/0xb7e
[  834.582327]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  834.586827]  ? lock_downgrade+0x900/0x900
[  834.590991]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  834.596108]  ? pvclock_read_flags+0x160/0x160
[  834.600608]  ? lapic_next_event+0x5a/0x90
[  834.604785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.610340]  ? kvm_clock_read+0x18/0x30
[  834.614313]  ? kvm_sched_clock_read+0x9/0x20
[  834.618728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  834.624266]  ? check_preemption_disabled+0x48/0x280
[  834.629293]  irq_exit+0x17f/0x1c0
[  834.632744]  smp_apic_timer_interrupt+0x1cb/0x760
[  834.637585]  ? smp_reschedule_interrupt+0x109/0x650
[  834.642605]  ? smp_call_function_single_interrupt+0x640/0x640
[  834.648513]  ? interrupt_entry+0xb5/0xc0
[  834.652581]  ? trace_hardirqs_off_caller+0xbb/0x300
[  834.657624]  ? trace_hardirqs_off_caller+0xbb/0x300
[  834.662649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  834.667495]  ? trace_hardirqs_on_caller+0x310/0x310
[  834.672516]  ? trace_hardirqs_on_caller+0x310/0x310
[  834.677542]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  834.682390]  apic_timer_interrupt+0xf/0x20
[  834.686620]  </IRQ>
[  834.688881] RIP: 0010:dump_stack+0x358/0x39d
[  834.693291] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  834.712201] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  834.719907] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  834.727175] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  834.734452] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  834.741723] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  834.748987] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  834.756274]  ? dump_stack+0x34f/0x39d
[  834.760087]  ? dump_stack_print_info.cold.1+0x20/0x20
[  834.765295]  ? mark_held_locks+0x130/0x130
[  834.769543]  ? mark_held_locks+0x130/0x130
[  834.773782]  dump_header+0x27b/0xf72
[  834.777508]  ? pagefault_out_of_memory+0x197/0x197
[  834.782441]  ? mark_held_locks+0x130/0x130
[  834.786676]  ? __lock_acquire+0x62f/0x4c20
[  834.790925]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  834.795685]  ? print_usage_bug+0xc0/0xc0
[  834.799762]  ? graph_lock+0x270/0x270
[  834.803578]  ? graph_lock+0x270/0x270
[  834.807382]  ? print_usage_bug+0xc0/0xc0
[  834.811458]  ? print_usage_bug+0xc0/0xc0
[  834.815524]  ? graph_lock+0x270/0x270
[  834.819328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  834.824869]  ? find_held_lock+0x36/0x1c0
[  834.828938]  ? mark_held_locks+0xc7/0x130
[  834.833095]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  834.838207]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  834.843313]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  834.847899]  ? trace_hardirqs_on+0xbd/0x310
[  834.852221]  ? kasan_check_read+0x11/0x20
[  834.856372]  ? ___ratelimit+0x3b4/0x672
[  834.860349]  ? trace_hardirqs_off_caller+0x300/0x300
[  834.865457]  ? trace_hardirqs_on+0x310/0x310
[  834.869865]  ? lock_downgrade+0x900/0x900
[  834.874026]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  834.879131]  ? ___ratelimit+0x3b9/0x672
[  834.883104]  ? idr_get_free+0xf70/0xf70
[  834.887079]  ? kasan_check_read+0x11/0x20
[  834.891227]  ? do_raw_spin_unlock+0xa7/0x330
[  834.895649]  oom_kill_process.cold.27+0x10/0x903
[  834.900409]  ? graph_lock+0x270/0x270
[  834.904215]  ? _raw_spin_unlock+0x2c/0x50
[  834.908366]  ? oom_badness+0xe6/0xaa0
[  834.912173]  ? oom_evaluate_task+0x540/0x540
[  834.916591]  ? find_held_lock+0x36/0x1c0
[  834.920664]  ? out_of_memory+0x96f/0x1430
[  834.924819]  ? lock_downgrade+0x900/0x900
[  834.928970]  ? check_preemption_disabled+0x48/0x280
[  834.934003]  ? kasan_check_read+0x11/0x20
[  834.938151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  834.943604]  ? rcu_read_unlock_special+0x370/0x370
[  834.948544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  834.953563]  ? oom_evaluate_task+0x302/0x540
[  834.957975]  out_of_memory+0xa7f/0x1430
[  834.961959]  ? oom_killer_disable+0x3a0/0x3a0
[  834.966454]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  834.971387]  ? __ww_mutex_check_waiters+0x160/0x160
[  834.976416]  __alloc_pages_slowpath+0x236a/0x2e30
[  834.981289]  ? warn_alloc+0x120/0x120
[  834.985096]  ? mark_held_locks+0x130/0x130
[  834.989336]  ? find_get_entry+0xaae/0x1120
[  834.993593]  ? filemap_map_pages+0x1a20/0x1a20
[  834.998180]  ? graph_lock+0x270/0x270
[  835.001996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.007536]  ? check_preemption_disabled+0x48/0x280
[  835.012554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.018092]  ? should_fail+0x22d/0xd01
[  835.021984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  835.027108]  ? graph_lock+0x270/0x270
[  835.030964]  ? __lock_is_held+0xb5/0x140
[  835.035047]  ? mark_held_locks+0x130/0x130
[  835.039289]  ? lock_release+0xa10/0xa10
[  835.043264]  ? perf_trace_sched_process_exec+0x860/0x860
[  835.048721]  ? xa_load+0x2ba/0x460
[  835.052262]  ? lock_downgrade+0x900/0x900
[  835.056427]  ? __might_sleep+0x95/0x190
[  835.060411]  __alloc_pages_nodemask+0xa7b/0xdd0
[  835.065100]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  835.070118]  ? __page_cache_alloc+0x177/0x570
[  835.075056]  ? xa_load+0x2e1/0x460
[  835.078596]  ? xa_clear_mark+0x40/0x40
[  835.082491]  ? graph_lock+0x270/0x270
[  835.086302]  ? graph_lock+0x270/0x270
[  835.090115]  ? graph_lock+0x270/0x270
[  835.093918]  ? __do_page_cache_readahead+0x663/0x810
[  835.099027]  ? find_held_lock+0x36/0x1c0
[  835.103098]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  835.108646]  alloc_pages_current+0x173/0x350
[  835.113093]  __page_cache_alloc+0x3ce/0x570
[  835.117419]  ? kasan_check_read+0x11/0x20
[  835.121567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  835.126847]  ? generic_perform_write+0x6a0/0x6a0
[  835.131605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.137141]  ? check_preemption_disabled+0x48/0x280
[  835.142166]  filemap_fault+0x1595/0x25f0
[  835.146249]  ? __lock_page_or_retry+0xa00/0xa00
[  835.150923]  ? mark_held_locks+0x130/0x130
[  835.155167]  ? filemap_map_pages+0xd6b/0x1a20
[  835.159677]  ? lock_downgrade+0x900/0x900
[  835.163828]  ? check_preemption_disabled+0x48/0x280
[  835.168852]  ? kasan_check_read+0x11/0x20
[  835.173004]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  835.178285]  ? rcu_read_unlock_special+0x370/0x370
[  835.183231]  ? filemap_map_pages+0xd92/0x1a20
[  835.187749]  ? find_get_entries_tag+0x1400/0x1400
[  835.192594]  ? debug_object_destroy+0x2b0/0x2b0
[  835.197270]  ? lock_pi_update_atomic+0x150/0x150
[  835.202024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.207581]  ? lock_acquire+0x1ed/0x520
[  835.211560]  ? ext4_filemap_fault+0x7a/0xad
[  835.215887]  ? lock_release+0xa10/0xa10
[  835.219862]  ? perf_trace_sched_process_exec+0x860/0x860
[  835.225317]  ? print_usage_bug+0xc0/0xc0
[  835.229381]  ? print_usage_bug+0xc0/0xc0
[  835.233459]  ? down_read+0x8d/0x120
[  835.237087]  ? ext4_filemap_fault+0x7a/0xad
[  835.241408]  ? __down_interruptible+0x700/0x700
[  835.246091]  ext4_filemap_fault+0x82/0xad
[  835.250246]  __do_fault+0x100/0x6b0
[  835.253870]  ? do_futex+0x1df/0x26d0
[  835.257587]  ? pmd_devmap_trans_unstable+0x220/0x220
[  835.262708]  ? mark_held_locks+0x130/0x130
[  835.266945]  ? mark_held_locks+0x130/0x130
[  835.271205]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.276753]  __handle_mm_fault+0x3ea0/0x5be0
[  835.281160]  ? perf_trace_lock+0x7a0/0x7a0
[  835.285413]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  835.290265]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  835.294861]  ? graph_lock+0x270/0x270
[  835.298662]  ? graph_lock+0x270/0x270
[  835.302465]  ? __x64_sys_futex+0x53e/0x6a0
[  835.306711]  ? find_held_lock+0x36/0x1c0
[  835.310780]  ? handle_mm_fault+0x42a/0xc70
[  835.315019]  ? lock_downgrade+0x900/0x900
[  835.319165]  ? check_preemption_disabled+0x48/0x280
[  835.324201]  ? kasan_check_read+0x11/0x20
[  835.328349]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  835.333642]  ? rcu_read_unlock_special+0x370/0x370
[  835.338602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.344138]  ? check_preemption_disabled+0x48/0x280
[  835.349161]  handle_mm_fault+0x54f/0xc70
[  835.353236]  ? __handle_mm_fault+0x5be0/0x5be0
[  835.357823]  ? find_vma+0x34/0x190
[  835.361370]  __do_page_fault+0x5d6/0xe40
[  835.365435]  ? trace_hardirqs_off+0xb8/0x310
[  835.369853]  do_page_fault+0xed/0x7d1
[  835.373663]  ? vmalloc_sync_all+0x30/0x30
[  835.377814]  ? error_entry+0x70/0xd0
[  835.381532]  ? trace_hardirqs_off_caller+0xbb/0x300
[  835.386550]  ? trace_hardirqs_on_caller+0xc0/0x310
[  835.391482]  ? syscall_return_slowpath+0x5e0/0x5e0
[  835.396412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.401255]  ? trace_hardirqs_on_caller+0x310/0x310
[  835.406278]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  835.411740]  ? prepare_exit_to_usermode+0x291/0x3b0
[  835.416759]  ? page_fault+0x8/0x30
[  835.420302]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  835.425149]  ? page_fault+0x8/0x30
[  835.428688]  page_fault+0x1e/0x30
[  835.432156] RIP: 0033:0x45ddf3
[  835.435377] Code: Bad RIP value.
[  835.438736] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  835.444097] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  835.451365] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  835.458631] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  835.465896] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  835.473160] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  835.480460] warn_alloc_show_mem: 1 callbacks suppressed
[  835.480473] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  835.480474] Mem-Info:
[  835.480508] active_anon:129018 inactive_anon:195 isolated_anon:0
[  835.480508]  active_file:12 inactive_file:15 isolated_file:0
[  835.480508]  unevictable:1 dirty:0 writeback:0 unstable:0
[  835.480508]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  835.480508]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  835.480508]  free:13741 free_pcp:161 free_cma:0
[  835.485850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  835.493911] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  835.496311] Call Trace:
[  835.529351] 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
[  835.538700]  dump_stack+0x244/0x39d
[  835.566258] lowmem_reserve[]: 0 2818 6321 6321
[  835.568858]  ? dump_stack_print_info.cold.1+0x20/0x20
[  835.594939] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  835.598570]  warn_alloc.cold.116+0xb7/0x1bd
[  835.603113] lowmem_reserve[]: 0 0 3503 3503
[  835.608304]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  835.635702] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  835.640021]  ? lock_downgrade+0x900/0x900
[  835.644311] lowmem_reserve[]: 0 0 0 0
[  835.649155]  ? trace_hardirqs_off+0xb8/0x310
[  835.678019] 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
[  835.682164]  ? trace_hardirqs_off+0xb8/0x310
[  835.685932] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  835.690338]  __alloc_pages_slowpath+0x26fe/0x2e30
[  835.703827] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  835.708256]  ? warn_alloc+0x120/0x120
[  835.722641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  835.727471]  ? warn_alloc+0x120/0x120
[  835.742711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  835.746507]  ? warn_alloc+0x120/0x120
[  835.755321] 296 total pagecache pages
[  835.759120]  ? print_usage_bug+0xc0/0xc0
[  835.767674] 0 pages in swap cache
[  835.771458]  ? print_usage_bug+0xc0/0xc0
[  835.775251] Swap cache stats: add 0, delete 0, find 0/0
[  835.779317]  ? mark_held_locks+0x130/0x130
[  835.782744] Free swap  = 0kB
[  835.786795]  ? mark_held_locks+0x130/0x130
[  835.792133] Total swap = 0kB
[  835.796364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  835.799354] 1965979 pages RAM
[  835.803579]  ? should_fail+0x22d/0xd01
[  835.806579] 0 pages HighMem/MovableOnly
[  835.812145]  ? graph_lock+0x270/0x270
[  835.815251] 342854 pages reserved
[  835.819127]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  835.823078] 0 pages cma reserved
[  835.826875]  ? __lock_acquire+0x62f/0x4c20
[  835.830391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  835.835414]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  835.838893] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  835.842998]  ? __lock_acquire+0x62f/0x4c20
[  835.849465] syz-fuzzer cpuset=/ mems_allowed=0
[  835.854559]  ? should_fail+0x22d/0xd01
[  835.877460]  ? mark_held_locks+0x130/0x130
[  835.881700]  ? mark_held_locks+0x130/0x130
[  835.885933]  ? lock_downgrade+0x900/0x900
[  835.890083]  ? graph_lock+0x270/0x270
[  835.893885]  ? graph_lock+0x270/0x270
[  835.897715]  ? graph_lock+0x270/0x270
[  835.901515]  ? do_raw_spin_unlock+0xa7/0x330
[  835.905943]  ? trace_hardirqs_on+0x310/0x310
[  835.910352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.915889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.921426]  ? check_preemption_disabled+0x48/0x280
[  835.926455]  ? __lock_is_held+0xb5/0x140
[  835.930522]  __alloc_pages_nodemask+0xa7b/0xdd0
[  835.935208]  ? graph_lock+0x270/0x270
[  835.939016]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  835.944047]  ? find_held_lock+0x36/0x1c0
[  835.948123]  ? ____cache_alloc_node+0x1c7/0x1e0
[  835.952792]  ? lock_downgrade+0x900/0x900
[  835.956951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  835.962493]  cache_grow_begin+0xa5/0x8c0
[  835.966558]  ? do_raw_spin_unlock+0xa7/0x330
[  835.970975]  fallback_alloc+0x204/0x2e0
[  835.974955]  ____cache_alloc_node+0x1c7/0x1e0
[  835.979458]  kmem_cache_alloc_node+0xe3/0x730
[  835.983959]  ? lockdep_hardirqs_on+0x296/0x5b0
[  835.988549]  __alloc_skb+0x114/0x770
[  835.992261]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  835.997626]  ? netdev_alloc_frag+0x1f0/0x1f0
[  836.002047]  ? vprintk_default+0x28/0x30
[  836.006108]  ? vprintk_func+0x85/0x181
[  836.010001]  ? printk+0xa7/0xcf
[  836.013279]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  836.018043]  ? do_raw_spin_trylock+0x270/0x270
[  836.022630]  new_skb+0x26/0x1c0
[  836.025912]  aoecmd_cfg+0x279/0x7f0
[  836.029541]  ? find_held_lock+0x36/0x1c0
[  836.033609]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  836.037938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.043487]  ? __lock_is_held+0xb5/0x140
[  836.047560]  discover_timer+0x50/0x60
[  836.051367]  call_timer_fn+0x26d/0x920
[  836.055257]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  836.060115]  ? process_timeout+0x40/0x40
[  836.064195]  ? __run_timers+0x7d5/0xc60
[  836.068185]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.072699]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.077212]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  836.082057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  836.086642]  ? trace_hardirqs_on+0xbd/0x310
[  836.090965]  ? kasan_check_read+0x11/0x20
[  836.095113]  ? __run_timers+0x7d5/0xc60
[  836.099091]  ? trace_hardirqs_off_caller+0x300/0x300
[  836.104225]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  836.109066]  __run_timers+0x7e0/0xc60
[  836.112876]  ? timer_fixup_init+0x70/0x70
[  836.117041]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.121547]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.126057]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  836.130674]  ? trace_hardirqs_on+0xbd/0x310
[  836.135023]  ? kasan_check_read+0x11/0x20
[  836.139171]  ? finish_task_switch+0x1f4/0x920
[  836.143684]  ? trace_hardirqs_off_caller+0x300/0x300
[  836.148815]  ? compat_start_thread+0x80/0x80
[  836.153249]  ? pvclock_read_flags+0x160/0x160
[  836.157744]  ? __switch_to_asm+0x34/0x70
[  836.161810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.167347]  ? check_preemption_disabled+0x48/0x280
[  836.172375]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  836.177911]  ? rcu_pm_notify+0xc0/0xc0
[  836.181800]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.187340]  ? check_preemption_disabled+0x48/0x280
[  836.192363]  run_timer_softirq+0x52/0xb0
[  836.196423]  ? rcu_read_lock_sched_held+0x14f/0x180
[  836.201437]  __do_softirq+0x308/0xb7e
[  836.205248]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  836.210023]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  836.215136]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  836.219919]  ? trace_hardirqs_off+0xb8/0x310
[  836.224330]  ? smpboot_thread_fn+0x68b/0xa00
[  836.228738]  ? trace_hardirqs_on+0x310/0x310
[  836.233153]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.238716]  ? check_preemption_disabled+0x48/0x280
[  836.243748]  ? takeover_tasklets+0xa90/0xa90
[  836.248156]  run_ksoftirqd+0x5e/0x100
[  836.251971]  smpboot_thread_fn+0x68b/0xa00
[  836.256240]  ? sort_range+0x30/0x30
[  836.259868]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  836.264972]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.270509]  ? __kthread_parkme+0xfb/0x1a0
[  836.274746]  ? sort_range+0x30/0x30
[  836.278373]  kthread+0x35a/0x440
[  836.281748]  ? kthread_stop+0x8f0/0x8f0
[  836.285734]  ret_from_fork+0x3a/0x50
[  836.289468] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  836.289562] aoe: skb alloc failure
[  836.297704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  836.297713] Call Trace:
[  836.301308] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  836.310580]  <IRQ>
[  836.313154] ksoftirqd/0 cpuset=/ mems_allowed=0
[  836.323456]  dump_stack+0x244/0x39d
[  836.333860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  836.339065]  warn_alloc.cold.116+0xb7/0x1bd
[  836.343388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  836.348235]  ? lock_downgrade+0x900/0x900
[  836.352390]  ? trace_hardirqs_off+0xb8/0x310
[  836.356806]  ? trace_hardirqs_off+0xb8/0x310
[  836.361229]  __alloc_pages_slowpath+0x26fe/0x2e30
[  836.366102]  ? warn_alloc+0x120/0x120
[  836.369903]  ? print_usage_bug+0xc0/0xc0
[  836.373968]  ? warn_alloc+0x120/0x120
[  836.377778]  ? warn_alloc+0x120/0x120
[  836.381580]  ? print_usage_bug+0xc0/0xc0
[  836.385646]  ? kvm_clock_read+0x18/0x30
[  836.389621]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  836.394642]  ? print_usage_bug+0xc0/0xc0
[  836.398708]  ? __lock_acquire+0x62f/0x4c20
[  836.402953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.408490]  ? should_fail+0x22d/0xd01
[  836.412375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.417654]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  836.422761]  ? __lock_acquire+0x62f/0x4c20
[  836.426998]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  836.432103]  ? __lock_acquire+0x62f/0x4c20
[  836.436340]  ? should_fail+0x22d/0xd01
[  836.440228]  ? rcu_irq_exit+0x1a2/0x390
[  836.444218]  ? mark_held_locks+0x130/0x130
[  836.448459]  ? mark_held_locks+0x130/0x130
[  836.452715]  ? mark_held_locks+0xc7/0x130
[  836.456865]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  836.461882]  ? graph_lock+0x270/0x270
[  836.465684]  ? print_usage_bug+0xc0/0xc0
[  836.469755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.475297]  ? check_preemption_disabled+0x48/0x280
[  836.480325]  ? __lock_is_held+0xb5/0x140
[  836.484397]  __alloc_pages_nodemask+0xa7b/0xdd0
[  836.489066]  ? graph_lock+0x270/0x270
[  836.492876]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  836.497904]  ? find_held_lock+0x36/0x1c0
[  836.501974]  ? ____cache_alloc_node+0x1c7/0x1e0
[  836.506690]  ? lock_downgrade+0x900/0x900
[  836.510846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.516387]  cache_grow_begin+0xa5/0x8c0
[  836.520446]  ? do_raw_spin_unlock+0xa7/0x330
[  836.524861]  fallback_alloc+0x204/0x2e0
[  836.528845]  ____cache_alloc_node+0x1c7/0x1e0
[  836.533346]  kmem_cache_alloc_node+0xe3/0x730
[  836.537846]  ? ipv6_get_ifaddr+0x42e/0x620
[  836.542090]  __alloc_skb+0x114/0x770
[  836.545805]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  836.551087]  ? netdev_alloc_frag+0x1f0/0x1f0
[  836.555496]  ? lock_downgrade+0x900/0x900
[  836.559663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.565213]  ? refcount_sub_and_test_checked+0x203/0x310
[  836.570669]  ? refcount_dec_if_one+0x180/0x180
[  836.575257]  ? addrconf_rs_timer+0x690/0x690
[  836.579714]  ndisc_alloc_skb+0x144/0x340
[  836.583794]  ndisc_send_rs+0x331/0x6e0
[  836.587687]  addrconf_rs_timer+0x314/0x690
[  836.591930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  836.596174]  call_timer_fn+0x26d/0x920
[  836.600068]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  836.604303]  ? process_timeout+0x40/0x40
[  836.608378]  ? mark_held_locks+0xc7/0x130
[  836.612529]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.617023]  ? _raw_spin_unlock_irq+0x27/0x80
[  836.621520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  836.625754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  836.630341]  ? trace_hardirqs_on+0xbd/0x310
[  836.634666]  ? kasan_check_read+0x11/0x20
[  836.638818]  ? __run_timers+0x7d5/0xc60
[  836.642798]  ? trace_hardirqs_off_caller+0x300/0x300
[  836.647931]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  836.652167]  __run_timers+0x7e0/0xc60
[  836.656039]  ? timer_fixup_init+0x70/0x70
[  836.660212]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  836.665236]  ? graph_lock+0x270/0x270
[  836.669043]  ? print_usage_bug+0xc0/0xc0
[  836.673107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  836.678307]  ? find_held_lock+0x36/0x1c0
[  836.682376]  ? graph_lock+0x270/0x270
[  836.686185]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.691775]  ? check_preemption_disabled+0x48/0x280
[  836.696817]  ? __lock_is_held+0xb5/0x140
[  836.700884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.706422]  ? check_preemption_disabled+0x48/0x280
[  836.711447]  run_timer_softirq+0x52/0xb0
[  836.715508]  ? rcu_read_lock_sched_held+0x14f/0x180
[  836.720524]  __do_softirq+0x308/0xb7e
[  836.724333]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  836.728825]  ? lock_downgrade+0x900/0x900
[  836.732980]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  836.738093]  ? pvclock_read_flags+0x160/0x160
[  836.742591]  ? lapic_next_event+0x5a/0x90
[  836.746741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.752288]  ? kvm_clock_read+0x18/0x30
[  836.756263]  ? kvm_sched_clock_read+0x9/0x20
[  836.760675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  836.766222]  ? check_preemption_disabled+0x48/0x280
[  836.771252]  irq_exit+0x17f/0x1c0
[  836.774727]  smp_apic_timer_interrupt+0x1cb/0x760
[  836.779586]  ? smp_reschedule_interrupt+0x109/0x650
[  836.784600]  ? smp_call_function_single_interrupt+0x640/0x640
[  836.790487]  ? interrupt_entry+0xb5/0xc0
[  836.794569]  ? trace_hardirqs_off_caller+0xbb/0x300
[  836.799587]  ? trace_hardirqs_off_caller+0xbb/0x300
[  836.804607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  836.809450]  ? trace_hardirqs_on_caller+0x310/0x310
[  836.814464]  ? trace_hardirqs_on_caller+0x310/0x310
[  836.819493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  836.824357]  apic_timer_interrupt+0xf/0x20
[  836.828583]  </IRQ>
[  836.830830] RIP: 0010:dump_stack+0x358/0x39d
[  836.835242] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  836.854140] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  836.861845] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  836.869114] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  836.876384] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  836.883651] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  836.890932] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  836.898264]  ? dump_stack+0x34f/0x39d
[  836.902077]  ? dump_stack_print_info.cold.1+0x20/0x20
[  836.907276]  ? mark_held_locks+0x130/0x130
[  836.911509]  ? mark_held_locks+0x130/0x130
[  836.915764]  dump_header+0x27b/0xf72
[  836.919514]  ? pagefault_out_of_memory+0x197/0x197
[  836.924448]  ? mark_held_locks+0x130/0x130
[  836.928688]  ? __lock_acquire+0x62f/0x4c20
[  836.932929]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  836.937689]  ? print_usage_bug+0xc0/0xc0
[  836.941886]  ? graph_lock+0x270/0x270
[  836.945679]  ? graph_lock+0x270/0x270
[  836.949486]  ? print_usage_bug+0xc0/0xc0
[  836.953543]  ? print_usage_bug+0xc0/0xc0
[  836.957630]  ? graph_lock+0x270/0x270
[  836.961448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  836.966988]  ? find_held_lock+0x36/0x1c0
[  836.971060]  ? mark_held_locks+0xc7/0x130
[  836.975232]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  836.980338]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  836.985444]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  836.990038]  ? trace_hardirqs_on+0xbd/0x310
[  836.994359]  ? kasan_check_read+0x11/0x20
[  836.998509]  ? ___ratelimit+0x3b4/0x672
[  837.002484]  ? trace_hardirqs_off_caller+0x300/0x300
[  837.007592]  ? trace_hardirqs_on+0x310/0x310
[  837.011999]  ? lock_downgrade+0x900/0x900
[  837.016153]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  837.021256]  ? ___ratelimit+0x3b9/0x672
[  837.025237]  ? idr_get_free+0xf70/0xf70
[  837.029248]  ? kasan_check_read+0x11/0x20
[  837.033401]  ? do_raw_spin_unlock+0xa7/0x330
[  837.037819]  oom_kill_process.cold.27+0x10/0x903
[  837.042578]  ? graph_lock+0x270/0x270
[  837.046380]  ? _raw_spin_unlock+0x2c/0x50
[  837.050531]  ? oom_badness+0xe6/0xaa0
[  837.054338]  ? oom_evaluate_task+0x540/0x540
[  837.058747]  ? find_held_lock+0x36/0x1c0
[  837.062813]  ? out_of_memory+0x96f/0x1430
[  837.066991]  ? lock_downgrade+0x900/0x900
[  837.071141]  ? check_preemption_disabled+0x48/0x280
[  837.076639]  ? kasan_check_read+0x11/0x20
[  837.080788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.086064]  ? rcu_read_unlock_special+0x370/0x370
[  837.090999]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  837.096011]  ? oom_evaluate_task+0x302/0x540
[  837.100437]  out_of_memory+0xa7f/0x1430
[  837.104420]  ? oom_killer_disable+0x3a0/0x3a0
[  837.108915]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  837.113851]  ? __ww_mutex_check_waiters+0x160/0x160
[  837.118896]  __alloc_pages_slowpath+0x236a/0x2e30
[  837.123769]  ? warn_alloc+0x120/0x120
[  837.127572]  ? mark_held_locks+0x130/0x130
[  837.131813]  ? find_get_entry+0xaae/0x1120
[  837.136063]  ? filemap_map_pages+0x1a20/0x1a20
[  837.140650]  ? graph_lock+0x270/0x270
[  837.144460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.149998]  ? check_preemption_disabled+0x48/0x280
[  837.155016]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.160552]  ? should_fail+0x22d/0xd01
[  837.164446]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  837.169552]  ? graph_lock+0x270/0x270
[  837.173382]  ? __lock_is_held+0xb5/0x140
[  837.177452]  ? mark_held_locks+0x130/0x130
[  837.181692]  ? lock_release+0xa10/0xa10
[  837.185688]  ? perf_trace_sched_process_exec+0x860/0x860
[  837.191144]  ? xa_load+0x2ba/0x460
[  837.194689]  ? lock_downgrade+0x900/0x900
[  837.198851]  ? __might_sleep+0x95/0x190
[  837.202832]  __alloc_pages_nodemask+0xa7b/0xdd0
[  837.207517]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  837.212537]  ? __page_cache_alloc+0x177/0x570
[  837.217035]  ? xa_load+0x2e1/0x460
[  837.220581]  ? xa_clear_mark+0x40/0x40
[  837.224478]  ? graph_lock+0x270/0x270
[  837.228296]  ? graph_lock+0x270/0x270
[  837.232098]  ? graph_lock+0x270/0x270
[  837.235904]  ? __do_page_cache_readahead+0x663/0x810
[  837.241016]  ? find_held_lock+0x36/0x1c0
[  837.245087]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  837.250634]  alloc_pages_current+0x173/0x350
[  837.255056]  __page_cache_alloc+0x3ce/0x570
[  837.259382]  ? kasan_check_read+0x11/0x20
[  837.263531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.268811]  ? generic_perform_write+0x6a0/0x6a0
[  837.273572]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.279113]  ? check_preemption_disabled+0x48/0x280
[  837.284142]  filemap_fault+0x1595/0x25f0
[  837.288225]  ? __lock_page_or_retry+0xa00/0xa00
[  837.292902]  ? mark_held_locks+0x130/0x130
[  837.297148]  ? filemap_map_pages+0xd6b/0x1a20
[  837.301645]  ? lock_downgrade+0x900/0x900
[  837.305789]  ? check_preemption_disabled+0x48/0x280
[  837.310836]  ? kasan_check_read+0x11/0x20
[  837.314985]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.320260]  ? rcu_read_unlock_special+0x370/0x370
[  837.325212]  ? filemap_map_pages+0xd92/0x1a20
[  837.329732]  ? find_get_entries_tag+0x1400/0x1400
[  837.334580]  ? debug_object_destroy+0x2b0/0x2b0
[  837.339251]  ? lock_pi_update_atomic+0x150/0x150
[  837.344010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  837.349564]  ? lock_acquire+0x1ed/0x520
[  837.353539]  ? ext4_filemap_fault+0x7a/0xad
[  837.357865]  ? lock_release+0xa10/0xa10
[  837.361841]  ? perf_trace_sched_process_exec+0x860/0x860
[  837.367298]  ? print_usage_bug+0xc0/0xc0
[  837.371365]  ? print_usage_bug+0xc0/0xc0
[  837.375442]  ? down_read+0x8d/0x120
[  837.379067]  ? ext4_filemap_fault+0x7a/0xad
[  837.383390]  ? __down_interruptible+0x700/0x700
[  837.388068]  ext4_filemap_fault+0x82/0xad
[  837.392231]  __do_fault+0x100/0x6b0
[  837.395866]  ? do_futex+0x1df/0x26d0
[  837.399587]  ? pmd_devmap_trans_unstable+0x220/0x220
[  837.404695]  ? mark_held_locks+0x130/0x130
[  837.408957]  ? mark_held_locks+0x130/0x130
[  837.413215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.418759]  __handle_mm_fault+0x3ea0/0x5be0
[  837.423170]  ? perf_trace_lock+0x7a0/0x7a0
[  837.427420]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  837.432273]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  837.436869]  ? graph_lock+0x270/0x270
[  837.440668]  ? graph_lock+0x270/0x270
[  837.444471]  ? __x64_sys_futex+0x53e/0x6a0
[  837.448720]  ? find_held_lock+0x36/0x1c0
[  837.452802]  ? handle_mm_fault+0x42a/0xc70
[  837.457057]  ? lock_downgrade+0x900/0x900
[  837.461209]  ? check_preemption_disabled+0x48/0x280
[  837.466238]  ? kasan_check_read+0x11/0x20
[  837.470391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  837.475672]  ? rcu_read_unlock_special+0x370/0x370
[  837.480606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.486141]  ? check_preemption_disabled+0x48/0x280
[  837.491170]  handle_mm_fault+0x54f/0xc70
[  837.495249]  ? __handle_mm_fault+0x5be0/0x5be0
[  837.499836]  ? find_vma+0x34/0x190
[  837.503384]  __do_page_fault+0x5d6/0xe40
[  837.507443]  ? trace_hardirqs_off+0xb8/0x310
[  837.511860]  do_page_fault+0xed/0x7d1
[  837.515667]  ? vmalloc_sync_all+0x30/0x30
[  837.519822]  ? error_entry+0x70/0xd0
[  837.523535]  ? trace_hardirqs_off_caller+0xbb/0x300
[  837.528552]  ? trace_hardirqs_on_caller+0xc0/0x310
[  837.533485]  ? syscall_return_slowpath+0x5e0/0x5e0
[  837.538417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  837.543265]  ? trace_hardirqs_on_caller+0x310/0x310
[  837.548281]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  837.553750]  ? prepare_exit_to_usermode+0x291/0x3b0
[  837.558776]  ? page_fault+0x8/0x30
[  837.562320]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  837.567165]  ? page_fault+0x8/0x30
[  837.570720]  page_fault+0x1e/0x30
[  837.574171] RIP: 0033:0x45ddf3
[  837.577386] Code: Bad RIP value.
[  837.580746] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  837.586108] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  837.593372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  837.600636] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  837.607900] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  837.615167] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  837.622467] warn_alloc_show_mem: 1 callbacks suppressed
[  837.622480] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  837.622482] Mem-Info:
[  837.622529] active_anon:129018 inactive_anon:195 isolated_anon:0
[  837.622529]  active_file:12 inactive_file:15 isolated_file:0
[  837.622529]  unevictable:1 dirty:0 writeback:0 unstable:0
[  837.622529]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  837.622529]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  837.622529]  free:13741 free_pcp:161 free_cma:0
[  837.627889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  837.635960] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  837.638363] Call Trace:
[  837.671399] 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
[  837.680751]  dump_stack+0x244/0x39d
[  837.708303] lowmem_reserve[]: 0 2818 6321 6321
[  837.710895]  ? dump_stack_print_info.cold.1+0x20/0x20
[  837.736980] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  837.740611]  warn_alloc.cold.116+0xb7/0x1bd
[  837.745157] lowmem_reserve[]: 0 0 3503 3503
[  837.750340]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  837.777727] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  837.782045]  ? lock_downgrade+0x900/0x900
[  837.786343] lowmem_reserve[]: 0 0 0 0
[  837.791186]  ? trace_hardirqs_off+0xb8/0x310
[  837.820047] 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
[  837.824202]  ? trace_hardirqs_off+0xb8/0x310
[  837.827969] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  837.832381]  __alloc_pages_slowpath+0x26fe/0x2e30
[  837.845877] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  837.850308]  ? warn_alloc+0x120/0x120
[  837.864656] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  837.869490]  ? warn_alloc+0x120/0x120
[  837.884730] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  837.888516]  ? warn_alloc+0x120/0x120
[  837.897325] 296 total pagecache pages
[  837.901118]  ? print_usage_bug+0xc0/0xc0
[  837.909678] 0 pages in swap cache
[  837.913464]  ? print_usage_bug+0xc0/0xc0
[  837.917247] Swap cache stats: add 0, delete 0, find 0/0
[  837.921298]  ? mark_held_locks+0x130/0x130
[  837.924739] Free swap  = 0kB
[  837.928803]  ? mark_held_locks+0x130/0x130
[  837.934139] Total swap = 0kB
[  837.938367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  837.941360] 1965979 pages RAM
[  837.945591]  ? should_fail+0x22d/0xd01
[  837.948582] 0 pages HighMem/MovableOnly
[  837.954109]  ? graph_lock+0x270/0x270
[  837.957198] 342854 pages reserved
[  837.961084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  837.965036] 0 pages cma reserved
[  837.968832]  ? __lock_acquire+0x62f/0x4c20
[  837.972338] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  837.977356]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  837.980802] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  837.984928]  ? __lock_acquire+0x62f/0x4c20
[  837.991400] syz-fuzzer cpuset=/ mems_allowed=0
[  837.996487]  ? should_fail+0x22d/0xd01
[  837.996512]  ? mark_held_locks+0x130/0x130
[  838.023621]  ? mark_held_locks+0x130/0x130
[  838.027859]  ? lock_downgrade+0x900/0x900
[  838.032025]  ? graph_lock+0x270/0x270
[  838.035846]  ? graph_lock+0x270/0x270
[  838.039646]  ? do_raw_spin_unlock+0xa7/0x330
[  838.044060]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  838.048822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.054361]  ? check_preemption_disabled+0x48/0x280
[  838.059392]  ? __lock_is_held+0xb5/0x140
[  838.063460]  __alloc_pages_nodemask+0xa7b/0xdd0
[  838.068141]  ? graph_lock+0x270/0x270
[  838.071951]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  838.076979]  ? find_held_lock+0x36/0x1c0
[  838.081052]  ? ____cache_alloc_node+0x1c7/0x1e0
[  838.085726]  ? lock_downgrade+0x900/0x900
[  838.089883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.095425]  cache_grow_begin+0xa5/0x8c0
[  838.099490]  ? do_raw_spin_unlock+0xa7/0x330
[  838.103908]  fallback_alloc+0x204/0x2e0
[  838.107920]  ____cache_alloc_node+0x1c7/0x1e0
[  838.112422]  kmem_cache_alloc_node+0xe3/0x730
[  838.116917]  ? lockdep_hardirqs_on+0x296/0x5b0
[  838.121510]  __alloc_skb+0x114/0x770
[  838.125231]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  838.130599]  ? netdev_alloc_frag+0x1f0/0x1f0
[  838.135048]  ? vprintk_default+0x28/0x30
[  838.139110]  ? vprintk_func+0x85/0x181
[  838.143031]  ? printk+0xa7/0xcf
[  838.146307]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  838.151066]  ? do_raw_spin_trylock+0x270/0x270
[  838.155653]  new_skb+0x26/0x1c0
[  838.158962]  aoecmd_cfg+0x279/0x7f0
[  838.162592]  ? find_held_lock+0x36/0x1c0
[  838.166657]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  838.170989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.176536]  ? __lock_is_held+0xb5/0x140
[  838.180606]  discover_timer+0x50/0x60
[  838.184418]  call_timer_fn+0x26d/0x920
[  838.188305]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.193149]  ? process_timeout+0x40/0x40
[  838.197236]  ? __run_timers+0x7d5/0xc60
[  838.201243]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.205739]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.210234]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.215086]  ? lockdep_hardirqs_on+0x296/0x5b0
[  838.219674]  ? trace_hardirqs_on+0xbd/0x310
[  838.223994]  ? kasan_check_read+0x11/0x20
[  838.228156]  ? __run_timers+0x7d5/0xc60
[  838.232141]  ? trace_hardirqs_off_caller+0x300/0x300
[  838.237257]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  838.242096]  __run_timers+0x7e0/0xc60
[  838.245906]  ? timer_fixup_init+0x70/0x70
[  838.250056]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.254553]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.259053]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  838.263641]  ? trace_hardirqs_on+0xbd/0x310
[  838.267980]  ? kasan_check_read+0x11/0x20
[  838.272128]  ? finish_task_switch+0x1f4/0x920
[  838.276623]  ? trace_hardirqs_off_caller+0x300/0x300
[  838.281739]  ? compat_start_thread+0x80/0x80
[  838.286172]  ? pvclock_read_flags+0x160/0x160
[  838.290691]  ? __switch_to_asm+0x34/0x70
[  838.294757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.300297]  ? check_preemption_disabled+0x48/0x280
[  838.305330]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  838.310870]  ? rcu_pm_notify+0xc0/0xc0
[  838.314763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.320299]  ? check_preemption_disabled+0x48/0x280
[  838.325324]  run_timer_softirq+0x52/0xb0
[  838.329387]  ? rcu_read_lock_sched_held+0x14f/0x180
[  838.334401]  __do_softirq+0x308/0xb7e
[  838.338247]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  838.343007]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  838.348131]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  838.352901]  ? trace_hardirqs_off+0xb8/0x310
[  838.357312]  ? smpboot_thread_fn+0x68b/0xa00
[  838.361721]  ? trace_hardirqs_on+0x310/0x310
[  838.366132]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.371670]  ? check_preemption_disabled+0x48/0x280
[  838.376702]  ? takeover_tasklets+0xa90/0xa90
[  838.381112]  run_ksoftirqd+0x5e/0x100
[  838.384914]  smpboot_thread_fn+0x68b/0xa00
[  838.389155]  ? sort_range+0x30/0x30
[  838.392793]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  838.397901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.403444]  ? __kthread_parkme+0xfb/0x1a0
[  838.407682]  ? sort_range+0x30/0x30
[  838.411310]  kthread+0x35a/0x440
[  838.414677]  ? kthread_stop+0x8f0/0x8f0
[  838.418655]  ret_from_fork+0x3a/0x50
[  838.422392] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  838.422502] aoe: skb alloc failure
[  838.430623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  838.430629] Call Trace:
[  838.430636]  <IRQ>
[  838.430654]  dump_stack+0x244/0x39d
[  838.430673]  ? dump_stack_print_info.cold.1+0x20/0x20
[  838.434241] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  838.443560]  warn_alloc.cold.116+0xb7/0x1bd
[  838.446110] ksoftirqd/0 cpuset=/ mems_allowed=0
[  838.448286]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  838.481144]  ? lock_downgrade+0x900/0x900
[  838.485306]  ? trace_hardirqs_off+0xb8/0x310
[  838.489736]  ? trace_hardirqs_off+0xb8/0x310
[  838.494156]  __alloc_pages_slowpath+0x26fe/0x2e30
[  838.499033]  ? warn_alloc+0x120/0x120
[  838.502840]  ? print_usage_bug+0xc0/0xc0
[  838.506905]  ? warn_alloc+0x120/0x120
[  838.510715]  ? warn_alloc+0x120/0x120
[  838.514530]  ? print_usage_bug+0xc0/0xc0
[  838.518596]  ? kvm_clock_read+0x18/0x30
[  838.522571]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  838.527587]  ? print_usage_bug+0xc0/0xc0
[  838.531652]  ? __lock_acquire+0x62f/0x4c20
[  838.535898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.541438]  ? should_fail+0x22d/0xd01
[  838.545323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  838.550603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  838.555712]  ? __lock_acquire+0x62f/0x4c20
[  838.559953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  838.565055]  ? __lock_acquire+0x62f/0x4c20
[  838.569285]  ? should_fail+0x22d/0xd01
[  838.573173]  ? rcu_irq_exit+0x1a2/0x390
[  838.577171]  ? mark_held_locks+0x130/0x130
[  838.581418]  ? mark_held_locks+0x130/0x130
[  838.585659]  ? mark_held_locks+0xc7/0x130
[  838.589806]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  838.594820]  ? graph_lock+0x270/0x270
[  838.598621]  ? print_usage_bug+0xc0/0xc0
[  838.602685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.608252]  ? check_preemption_disabled+0x48/0x280
[  838.613279]  ? __lock_is_held+0xb5/0x140
[  838.617352]  __alloc_pages_nodemask+0xa7b/0xdd0
[  838.622019]  ? graph_lock+0x270/0x270
[  838.625827]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  838.630856]  ? find_held_lock+0x36/0x1c0
[  838.634928]  ? ____cache_alloc_node+0x1c7/0x1e0
[  838.639600]  ? lock_downgrade+0x900/0x900
[  838.643757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.649298]  cache_grow_begin+0xa5/0x8c0
[  838.653361]  ? do_raw_spin_unlock+0xa7/0x330
[  838.657793]  fallback_alloc+0x204/0x2e0
[  838.661773]  ____cache_alloc_node+0x1c7/0x1e0
[  838.666275]  kmem_cache_alloc_node+0xe3/0x730
[  838.670773]  ? ipv6_get_ifaddr+0x42e/0x620
[  838.675037]  __alloc_skb+0x114/0x770
[  838.678754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  838.684038]  ? netdev_alloc_frag+0x1f0/0x1f0
[  838.688443]  ? lock_downgrade+0x900/0x900
[  838.692600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.698138]  ? refcount_sub_and_test_checked+0x203/0x310
[  838.703611]  ? refcount_dec_if_one+0x180/0x180
[  838.708227]  ? addrconf_rs_timer+0x690/0x690
[  838.712649]  ndisc_alloc_skb+0x144/0x340
[  838.716718]  ndisc_send_rs+0x331/0x6e0
[  838.720613]  addrconf_rs_timer+0x314/0x690
[  838.724852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  838.729099]  call_timer_fn+0x26d/0x920
[  838.732984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  838.737223]  ? process_timeout+0x40/0x40
[  838.741298]  ? mark_held_locks+0xc7/0x130
[  838.745454]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.749949]  ? _raw_spin_unlock_irq+0x27/0x80
[  838.754445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  838.758691]  ? lockdep_hardirqs_on+0x296/0x5b0
[  838.763301]  ? trace_hardirqs_on+0xbd/0x310
[  838.767625]  ? kasan_check_read+0x11/0x20
[  838.771787]  ? __run_timers+0x7d5/0xc60
[  838.775762]  ? trace_hardirqs_off_caller+0x300/0x300
[  838.780867]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  838.785105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  838.789343]  __run_timers+0x7e0/0xc60
[  838.793169]  ? timer_fixup_init+0x70/0x70
[  838.797350]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  838.802371]  ? graph_lock+0x270/0x270
[  838.806200]  ? print_usage_bug+0xc0/0xc0
[  838.810271]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  838.815469]  ? find_held_lock+0x36/0x1c0
[  838.819538]  ? graph_lock+0x270/0x270
[  838.823343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.828885]  ? check_preemption_disabled+0x48/0x280
[  838.833912]  ? __lock_is_held+0xb5/0x140
[  838.837977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.843516]  ? check_preemption_disabled+0x48/0x280
[  838.848542]  run_timer_softirq+0x52/0xb0
[  838.852605]  ? rcu_read_lock_sched_held+0x14f/0x180
[  838.857624]  __do_softirq+0x308/0xb7e
[  838.861433]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  838.865926]  ? lock_downgrade+0x900/0x900
[  838.870080]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  838.875203]  ? pvclock_read_flags+0x160/0x160
[  838.879734]  ? lapic_next_event+0x5a/0x90
[  838.883884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  838.889429]  ? kvm_clock_read+0x18/0x30
[  838.893401]  ? kvm_sched_clock_read+0x9/0x20
[  838.897825]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  838.903365]  ? check_preemption_disabled+0x48/0x280
[  838.908391]  irq_exit+0x17f/0x1c0
[  838.911849]  smp_apic_timer_interrupt+0x1cb/0x760
[  838.916710]  ? smp_reschedule_interrupt+0x109/0x650
[  838.921727]  ? smp_call_function_single_interrupt+0x640/0x640
[  838.927611]  ? interrupt_entry+0xb5/0xc0
[  838.931673]  ? trace_hardirqs_off_caller+0xbb/0x300
[  838.936690]  ? trace_hardirqs_off_caller+0xbb/0x300
[  838.941892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  838.946734]  ? trace_hardirqs_on_caller+0x310/0x310
[  838.951751]  ? trace_hardirqs_on_caller+0x310/0x310
[  838.956781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  838.961635]  apic_timer_interrupt+0xf/0x20
[  838.965879]  </IRQ>
[  838.968117] RIP: 0010:dump_stack+0x358/0x39d
[  838.972526] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  838.991423] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  838.999128] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  839.006398] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  839.013665] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  839.020946] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  839.028218] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  839.035501]  ? dump_stack+0x34f/0x39d
[  839.039315]  ? dump_stack_print_info.cold.1+0x20/0x20
[  839.044509]  ? mark_held_locks+0x130/0x130
[  839.048758]  ? mark_held_locks+0x130/0x130
[  839.053000]  dump_header+0x27b/0xf72
[  839.056732]  ? pagefault_out_of_memory+0x197/0x197
[  839.061668]  ? mark_held_locks+0x130/0x130
[  839.065907]  ? __lock_acquire+0x62f/0x4c20
[  839.070138]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  839.075438]  ? print_usage_bug+0xc0/0xc0
[  839.079508]  ? graph_lock+0x270/0x270
[  839.083308]  ? graph_lock+0x270/0x270
[  839.087112]  ? print_usage_bug+0xc0/0xc0
[  839.091174]  ? print_usage_bug+0xc0/0xc0
[  839.095275]  ? graph_lock+0x270/0x270
[  839.099082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.104655]  ? find_held_lock+0x36/0x1c0
[  839.108744]  ? mark_held_locks+0xc7/0x130
[  839.112897]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  839.118030]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  839.123150]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  839.127738]  ? trace_hardirqs_on+0xbd/0x310
[  839.132062]  ? kasan_check_read+0x11/0x20
[  839.136213]  ? ___ratelimit+0x3b4/0x672
[  839.140226]  ? trace_hardirqs_off_caller+0x300/0x300
[  839.145331]  ? trace_hardirqs_on+0x310/0x310
[  839.149739]  ? lock_downgrade+0x900/0x900
[  839.153898]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  839.159004]  ? ___ratelimit+0x3b9/0x672
[  839.162980]  ? idr_get_free+0xf70/0xf70
[  839.166951]  ? kasan_check_read+0x11/0x20
[  839.171100]  ? do_raw_spin_unlock+0xa7/0x330
[  839.175515]  oom_kill_process.cold.27+0x10/0x903
[  839.180275]  ? graph_lock+0x270/0x270
[  839.184072]  ? _raw_spin_unlock+0x2c/0x50
[  839.188225]  ? oom_badness+0xe6/0xaa0
[  839.192033]  ? oom_evaluate_task+0x540/0x540
[  839.196445]  ? find_held_lock+0x36/0x1c0
[  839.200518]  ? out_of_memory+0x96f/0x1430
[  839.204672]  ? lock_downgrade+0x900/0x900
[  839.208820]  ? check_preemption_disabled+0x48/0x280
[  839.213841]  ? kasan_check_read+0x11/0x20
[  839.217992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.223284]  ? rcu_read_unlock_special+0x370/0x370
[  839.228236]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  839.233274]  ? oom_evaluate_task+0x302/0x540
[  839.237686]  out_of_memory+0xa7f/0x1430
[  839.241689]  ? oom_killer_disable+0x3a0/0x3a0
[  839.246195]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  839.251127]  ? __ww_mutex_check_waiters+0x160/0x160
[  839.256160]  __alloc_pages_slowpath+0x236a/0x2e30
[  839.261036]  ? warn_alloc+0x120/0x120
[  839.264832]  ? mark_held_locks+0x130/0x130
[  839.269074]  ? find_get_entry+0xaae/0x1120
[  839.273321]  ? filemap_map_pages+0x1a20/0x1a20
[  839.277918]  ? graph_lock+0x270/0x270
[  839.281738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.287277]  ? check_preemption_disabled+0x48/0x280
[  839.292295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.297835]  ? should_fail+0x22d/0xd01
[  839.301759]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  839.306861]  ? graph_lock+0x270/0x270
[  839.310689]  ? __lock_is_held+0xb5/0x140
[  839.314770]  ? mark_held_locks+0x130/0x130
[  839.319028]  ? lock_release+0xa10/0xa10
[  839.323048]  ? perf_trace_sched_process_exec+0x860/0x860
[  839.328519]  ? xa_load+0x2ba/0x460
[  839.332063]  ? lock_downgrade+0x900/0x900
[  839.336225]  ? __might_sleep+0x95/0x190
[  839.340214]  __alloc_pages_nodemask+0xa7b/0xdd0
[  839.344895]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  839.349914]  ? __page_cache_alloc+0x177/0x570
[  839.354411]  ? xa_load+0x2e1/0x460
[  839.357951]  ? xa_clear_mark+0x40/0x40
[  839.361839]  ? graph_lock+0x270/0x270
[  839.365650]  ? graph_lock+0x270/0x270
[  839.369454]  ? graph_lock+0x270/0x270
[  839.373292]  ? __do_page_cache_readahead+0x663/0x810
[  839.378400]  ? find_held_lock+0x36/0x1c0
[  839.382470]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  839.388015]  alloc_pages_current+0x173/0x350
[  839.392433]  __page_cache_alloc+0x3ce/0x570
[  839.396750]  ? kasan_check_read+0x11/0x20
[  839.400896]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.406178]  ? generic_perform_write+0x6a0/0x6a0
[  839.410957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.416496]  ? check_preemption_disabled+0x48/0x280
[  839.421524]  filemap_fault+0x1595/0x25f0
[  839.425600]  ? __lock_page_or_retry+0xa00/0xa00
[  839.430286]  ? mark_held_locks+0x130/0x130
[  839.434534]  ? filemap_map_pages+0xd6b/0x1a20
[  839.439034]  ? lock_downgrade+0x900/0x900
[  839.443180]  ? check_preemption_disabled+0x48/0x280
[  839.448251]  ? kasan_check_read+0x11/0x20
[  839.452401]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.457693]  ? rcu_read_unlock_special+0x370/0x370
[  839.462654]  ? filemap_map_pages+0xd92/0x1a20
[  839.467163]  ? find_get_entries_tag+0x1400/0x1400
[  839.472013]  ? debug_object_destroy+0x2b0/0x2b0
[  839.476685]  ? lock_pi_update_atomic+0x150/0x150
[  839.481444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  839.487038]  ? lock_acquire+0x1ed/0x520
[  839.491044]  ? ext4_filemap_fault+0x7a/0xad
[  839.495386]  ? lock_release+0xa10/0xa10
[  839.499365]  ? perf_trace_sched_process_exec+0x860/0x860
[  839.504819]  ? print_usage_bug+0xc0/0xc0
[  839.508901]  ? print_usage_bug+0xc0/0xc0
[  839.512975]  ? down_read+0x8d/0x120
[  839.516605]  ? ext4_filemap_fault+0x7a/0xad
[  839.520925]  ? __down_interruptible+0x700/0x700
[  839.525610]  ext4_filemap_fault+0x82/0xad
[  839.529764]  __do_fault+0x100/0x6b0
[  839.533386]  ? do_futex+0x1df/0x26d0
[  839.537107]  ? pmd_devmap_trans_unstable+0x220/0x220
[  839.542220]  ? mark_held_locks+0x130/0x130
[  839.546463]  ? mark_held_locks+0x130/0x130
[  839.550745]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.556290]  __handle_mm_fault+0x3ea0/0x5be0
[  839.560704]  ? perf_trace_lock+0x7a0/0x7a0
[  839.564950]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  839.569804]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  839.574400]  ? graph_lock+0x270/0x270
[  839.578226]  ? graph_lock+0x270/0x270
[  839.582116]  ? __x64_sys_futex+0x53e/0x6a0
[  839.586358]  ? find_held_lock+0x36/0x1c0
[  839.590434]  ? handle_mm_fault+0x42a/0xc70
[  839.594670]  ? lock_downgrade+0x900/0x900
[  839.598823]  ? check_preemption_disabled+0x48/0x280
[  839.603860]  ? kasan_check_read+0x11/0x20
[  839.608020]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  839.613303]  ? rcu_read_unlock_special+0x370/0x370
[  839.618235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  839.623797]  ? check_preemption_disabled+0x48/0x280
[  839.628816]  handle_mm_fault+0x54f/0xc70
[  839.632901]  ? __handle_mm_fault+0x5be0/0x5be0
[  839.637503]  ? find_vma+0x34/0x190
[  839.641054]  __do_page_fault+0x5d6/0xe40
[  839.645121]  ? trace_hardirqs_off+0xb8/0x310
[  839.649545]  do_page_fault+0xed/0x7d1
[  839.653349]  ? vmalloc_sync_all+0x30/0x30
[  839.657496]  ? error_entry+0x70/0xd0
[  839.661239]  ? trace_hardirqs_off_caller+0xbb/0x300
[  839.666279]  ? trace_hardirqs_on_caller+0xc0/0x310
[  839.671227]  ? syscall_return_slowpath+0x5e0/0x5e0
[  839.676172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  839.681031]  ? trace_hardirqs_on_caller+0x310/0x310
[  839.686072]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  839.691529]  ? prepare_exit_to_usermode+0x291/0x3b0
[  839.696544]  ? page_fault+0x8/0x30
[  839.700088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  839.704932]  ? page_fault+0x8/0x30
[  839.708471]  page_fault+0x1e/0x30
[  839.711927] RIP: 0033:0x45ddf3
[  839.715130] Code: Bad RIP value.
[  839.718490] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  839.723849] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  839.731113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  839.738378] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  839.745660] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  839.752922] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  839.760224] warn_alloc_show_mem: 1 callbacks suppressed
[  839.760236] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  839.760238] Mem-Info:
[  839.760269] active_anon:129018 inactive_anon:195 isolated_anon:0
[  839.760269]  active_file:12 inactive_file:15 isolated_file:0
[  839.760269]  unevictable:1 dirty:0 writeback:0 unstable:0
[  839.760269]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  839.760269]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  839.760269]  free:13741 free_pcp:161 free_cma:0
[  839.765612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  839.773684] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  839.776082] Call Trace:
[  839.809117] 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
[  839.818469]  dump_stack+0x244/0x39d
[  839.846028] lowmem_reserve[]: 0 2818 6321 6321
[  839.848606]  ? dump_stack_print_info.cold.1+0x20/0x20
[  839.874686] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  839.878315]  warn_alloc.cold.116+0xb7/0x1bd
[  839.882876] lowmem_reserve[]: 0 0 3503 3503
[  839.888062]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  839.915451] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  839.919767]  ? lock_downgrade+0x900/0x900
[  839.924072] lowmem_reserve[]: 0 0 0 0
[  839.928945]  ? trace_hardirqs_off+0xb8/0x310
[  839.957801] 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
[  839.961959]  ? trace_hardirqs_off+0xb8/0x310
[  839.965734] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  839.970148]  __alloc_pages_slowpath+0x26fe/0x2e30
[  839.983661] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  839.988104]  ? warn_alloc+0x120/0x120
[  840.002500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  840.007356]  ? warn_alloc+0x120/0x120
[  840.022611] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  840.026422]  ? warn_alloc+0x120/0x120
[  840.035218] 296 total pagecache pages
[  840.039015]  ? print_usage_bug+0xc0/0xc0
[  840.047570] 0 pages in swap cache
[  840.051376]  ? print_usage_bug+0xc0/0xc0
[  840.055148] Swap cache stats: add 0, delete 0, find 0/0
[  840.055157] Free swap  = 0kB
[  840.059232]  ? mark_held_locks+0x130/0x130
[  840.062661] Total swap = 0kB
[  840.066732]  ? mark_held_locks+0x130/0x130
[  840.072069] 1965979 pages RAM
[  840.075097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.079294] 0 pages HighMem/MovableOnly
[  840.079303] 342854 pages reserved
[  840.082326]  ? should_fail+0x22d/0xd01
[  840.086535] 0 pages cma reserved
[  840.089648]  ? graph_lock+0x270/0x270
[  840.095251] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  840.099139]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.099162]  ? __lock_acquire+0x62f/0x4c20
[  840.102776] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  840.106484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.106501]  ? __lock_acquire+0x62f/0x4c20
[  840.106518]  ? should_fail+0x22d/0xd01
[  840.106543]  ? mark_held_locks+0x130/0x130
[  840.110187] syz-fuzzer cpuset=/ mems_allowed=0
[  840.113993]  ? mark_held_locks+0x130/0x130
[  840.114012]  ? lock_downgrade+0x900/0x900
[  840.114027]  ? graph_lock+0x270/0x270
[  840.174436]  ? graph_lock+0x270/0x270
[  840.178248]  ? graph_lock+0x270/0x270
[  840.182053]  ? do_raw_spin_unlock+0xa7/0x330
[  840.186476]  ? trace_hardirqs_on+0x310/0x310
[  840.190898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.196459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.202019]  ? check_preemption_disabled+0x48/0x280
[  840.207060]  ? __lock_is_held+0xb5/0x140
[  840.211143]  __alloc_pages_nodemask+0xa7b/0xdd0
[  840.215824]  ? graph_lock+0x270/0x270
[  840.219667]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  840.224722]  ? find_held_lock+0x36/0x1c0
[  840.228803]  ? ____cache_alloc_node+0x1c7/0x1e0
[  840.233487]  ? lock_downgrade+0x900/0x900
[  840.237660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.243234]  cache_grow_begin+0xa5/0x8c0
[  840.247311]  ? do_raw_spin_unlock+0xa7/0x330
[  840.251734]  fallback_alloc+0x204/0x2e0
[  840.255720]  ____cache_alloc_node+0x1c7/0x1e0
[  840.260236]  kmem_cache_alloc_node+0xe3/0x730
[  840.264745]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.269342]  __alloc_skb+0x114/0x770
[  840.273075]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  840.278449]  ? netdev_alloc_frag+0x1f0/0x1f0
[  840.282870]  ? vprintk_default+0x28/0x30
[  840.286949]  ? vprintk_func+0x85/0x181
[  840.290843]  ? printk+0xa7/0xcf
[  840.294147]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  840.298913]  ? do_raw_spin_trylock+0x270/0x270
[  840.303553]  new_skb+0x26/0x1c0
[  840.306850]  aoecmd_cfg+0x279/0x7f0
[  840.310494]  ? find_held_lock+0x36/0x1c0
[  840.314564]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  840.318900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.324465]  ? __lock_is_held+0xb5/0x140
[  840.328544]  discover_timer+0x50/0x60
[  840.332355]  call_timer_fn+0x26d/0x920
[  840.336248]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.341098]  ? process_timeout+0x40/0x40
[  840.345168]  ? __run_timers+0x7d5/0xc60
[  840.349167]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.353683]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.358186]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.363055]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.367649]  ? trace_hardirqs_on+0xbd/0x310
[  840.371975]  ? kasan_check_read+0x11/0x20
[  840.376132]  ? __run_timers+0x7d5/0xc60
[  840.380115]  ? trace_hardirqs_off_caller+0x300/0x300
[  840.385247]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  840.390100]  __run_timers+0x7e0/0xc60
[  840.393919]  ? timer_fixup_init+0x70/0x70
[  840.398076]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.402580]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.407085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  840.411730]  ? trace_hardirqs_on+0xbd/0x310
[  840.416086]  ? kasan_check_read+0x11/0x20
[  840.420275]  ? finish_task_switch+0x1f4/0x920
[  840.424785]  ? trace_hardirqs_off_caller+0x300/0x300
[  840.429915]  ? compat_start_thread+0x80/0x80
[  840.434361]  ? pvclock_read_flags+0x160/0x160
[  840.438863]  ? __switch_to_asm+0x34/0x70
[  840.442934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.448484]  ? check_preemption_disabled+0x48/0x280
[  840.453516]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  840.459065]  ? rcu_pm_notify+0xc0/0xc0
[  840.462981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.468527]  ? check_preemption_disabled+0x48/0x280
[  840.473558]  run_timer_softirq+0x52/0xb0
[  840.477643]  ? rcu_read_lock_sched_held+0x14f/0x180
[  840.482685]  __do_softirq+0x308/0xb7e
[  840.486495]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  840.491267]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  840.496399]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  840.501176]  ? trace_hardirqs_off+0xb8/0x310
[  840.505610]  ? smpboot_thread_fn+0x68b/0xa00
[  840.510024]  ? trace_hardirqs_on+0x310/0x310
[  840.514438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.519984]  ? check_preemption_disabled+0x48/0x280
[  840.525025]  ? takeover_tasklets+0xa90/0xa90
[  840.529437]  run_ksoftirqd+0x5e/0x100
[  840.533261]  smpboot_thread_fn+0x68b/0xa00
[  840.537506]  ? sort_range+0x30/0x30
[  840.541140]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  840.546256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.551810]  ? __kthread_parkme+0xfb/0x1a0
[  840.556054]  ? sort_range+0x30/0x30
[  840.559686]  kthread+0x35a/0x440
[  840.563060]  ? kthread_stop+0x8f0/0x8f0
[  840.567048]  ret_from_fork+0x3a/0x50
[  840.570802] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  840.570934] aoe: skb alloc failure
[  840.579055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  840.579076] Call Trace:
[  840.579083]  <IRQ>
[  840.579108]  dump_stack+0x244/0x39d
[  840.579127]  ? dump_stack_print_info.cold.1+0x20/0x20
[  840.579154]  warn_alloc.cold.116+0xb7/0x1bd
[  840.582713] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  840.592080]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  840.594653] ksoftirqd/0 cpuset=/ mems_allowed=0
[  840.596826]  ? lock_downgrade+0x900/0x900
[  840.633939]  ? trace_hardirqs_off+0xb8/0x310
[  840.638385]  ? trace_hardirqs_off+0xb8/0x310
[  840.642832]  __alloc_pages_slowpath+0x26fe/0x2e30
[  840.647750]  ? warn_alloc+0x120/0x120
[  840.651583]  ? warn_alloc+0x120/0x120
[  840.655404]  ? warn_alloc+0x120/0x120
[  840.659246]  ? print_usage_bug+0xc0/0xc0
[  840.663324]  ? print_usage_bug+0xc0/0xc0
[  840.667411]  ? trace_hardirqs_off+0xb8/0x310
[  840.671826]  ? kasan_check_read+0x11/0x20
[  840.675995]  ? do_raw_spin_unlock+0xa7/0x330
[  840.680419]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  840.685983]  ? should_fail+0x22d/0xd01
[  840.689884]  ? graph_lock+0x270/0x270
[  840.693708]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.698832]  ? __lock_acquire+0x62f/0x4c20
[  840.703095]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  840.708227]  ? should_fail+0x22d/0xd01
[  840.712126]  ? mark_held_locks+0x130/0x130
[  840.716384]  ? mark_held_locks+0x130/0x130
[  840.720659]  ? mark_held_locks+0x130/0x130
[  840.724899]  ? print_usage_bug+0xc0/0xc0
[  840.728969]  ? graph_lock+0x270/0x270
[  840.732819]  ? find_held_lock+0x36/0x1c0
[  840.736906]  ? graph_lock+0x270/0x270
[  840.740739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.746290]  ? check_preemption_disabled+0x48/0x280
[  840.751344]  ? __lock_is_held+0xb5/0x140
[  840.755440]  __alloc_pages_nodemask+0xa7b/0xdd0
[  840.760139]  ? graph_lock+0x270/0x270
[  840.763958]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  840.769003]  ? find_held_lock+0x36/0x1c0
[  840.773090]  ? ____cache_alloc_node+0x1c7/0x1e0
[  840.777789]  ? lock_downgrade+0x900/0x900
[  840.781959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.787527]  cache_grow_begin+0xa5/0x8c0
[  840.791621]  ? do_raw_spin_unlock+0xa7/0x330
[  840.796051]  fallback_alloc+0x204/0x2e0
[  840.800040]  ____cache_alloc_node+0x1c7/0x1e0
[  840.804555]  kmem_cache_alloc_node+0xe3/0x730
[  840.809063]  ? mark_held_locks+0xc7/0x130
[  840.813235]  __alloc_skb+0x114/0x770
[  840.816967]  ? netdev_alloc_frag+0x1f0/0x1f0
[  840.821383]  ? do_raw_spin_trylock+0x270/0x270
[  840.825995]  ? kmem_cache_alloc_trace+0x353/0x750
[  840.830852]  ? queue_work_on+0x12c/0x1e0
[  840.834934]  ? switchdev_port_obj_del+0xdc/0x440
[  840.839713]  ? switchdev_trans_item_enqueue+0x260/0x260
[  840.845102]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  840.850174]  __br_mdb_notify+0x4ff/0x15d0
[  840.854356]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  840.859484]  ? __br_mdb_add+0x7f0/0x7f0
[  840.863474]  ? mark_held_locks+0x130/0x130
[  840.867742]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  840.872863]  ? debug_object_assert_init+0x368/0x4b0
[  840.877910]  ? trace_hardirqs_off_caller+0x300/0x300
[  840.883049]  ? debug_object_init_on_stack+0x20/0x20
[  840.888075]  ? graph_lock+0x270/0x270
[  840.891895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  840.897455]  br_mdb_notify+0x310/0x410
[  840.901357]  ? br_mdb_dump+0x27b0/0x27b0
[  840.905446]  br_multicast_del_pg+0x3df/0x790
[  840.909878]  ? br_mdb_ip_get+0x940/0x940
[  840.913948]  ? rwlock_bug.part.2+0x90/0x90
[  840.918221]  ? __lock_is_held+0xb5/0x140
[  840.922308]  br_multicast_port_group_expired+0x189/0x1e0
[  840.927774]  call_timer_fn+0x26d/0x920
[  840.931675]  ? br_multicast_del_pg+0x790/0x790
[  840.936276]  ? process_timeout+0x40/0x40
[  840.940363]  ? mark_held_locks+0xc7/0x130
[  840.944763]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.949274]  ? _raw_spin_unlock_irq+0x27/0x80
[  840.953783]  ? br_multicast_del_pg+0x790/0x790
[  840.958379]  ? lockdep_hardirqs_on+0x296/0x5b0
[  840.962981]  ? trace_hardirqs_on+0xbd/0x310
[  840.967318]  ? kasan_check_read+0x11/0x20
[  840.971476]  ? __run_timers+0x7d5/0xc60
[  840.975468]  ? trace_hardirqs_off_caller+0x300/0x300
[  840.980588]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  840.984844]  ? br_multicast_del_pg+0x790/0x790
[  840.989439]  __run_timers+0x7e0/0xc60
[  840.993281]  ? timer_fixup_init+0x70/0x70
[  840.997444]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  841.002472]  ? graph_lock+0x270/0x270
[  841.006295]  ? print_usage_bug+0xc0/0xc0
[  841.010376]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  841.015587]  ? find_held_lock+0x36/0x1c0
[  841.019663]  ? graph_lock+0x270/0x270
[  841.023479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.029032]  ? check_preemption_disabled+0x48/0x280
[  841.034071]  ? __lock_is_held+0xb5/0x140
[  841.038179]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.043745]  ? check_preemption_disabled+0x48/0x280
[  841.048782]  run_timer_softirq+0x52/0xb0
[  841.052895]  ? rcu_read_lock_sched_held+0x14f/0x180
[  841.057959]  __do_softirq+0x308/0xb7e
[  841.061793]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  841.066296]  ? lock_downgrade+0x900/0x900
[  841.070464]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  841.076128]  ? pvclock_read_flags+0x160/0x160
[  841.080632]  ? lapic_next_event+0x5a/0x90
[  841.084819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.090404]  ? kvm_clock_read+0x18/0x30
[  841.094407]  ? kvm_sched_clock_read+0x9/0x20
[  841.098832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.104383]  ? check_preemption_disabled+0x48/0x280
[  841.109422]  irq_exit+0x17f/0x1c0
[  841.112887]  smp_apic_timer_interrupt+0x1cb/0x760
[  841.117742]  ? smp_reschedule_interrupt+0x109/0x650
[  841.122775]  ? smp_call_function_single_interrupt+0x640/0x640
[  841.128688]  ? interrupt_entry+0xb5/0xc0
[  841.132800]  ? trace_hardirqs_off_caller+0xbb/0x300
[  841.137859]  ? trace_hardirqs_off_caller+0xbb/0x300
[  841.142926]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.147785]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.152813]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.157877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.162742]  apic_timer_interrupt+0xf/0x20
[  841.166993]  </IRQ>
[  841.169259] RIP: 0010:dump_stack+0x358/0x39d
[  841.173706] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  841.192625] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  841.200356] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  841.207644] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  841.214930] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  841.222238] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  841.229541] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  841.236852]  ? dump_stack+0x34f/0x39d
[  841.240691]  ? dump_stack_print_info.cold.1+0x20/0x20
[  841.245909]  ? mark_held_locks+0x130/0x130
[  841.250163]  ? mark_held_locks+0x130/0x130
[  841.254427]  dump_header+0x27b/0xf72
[  841.258163]  ? pagefault_out_of_memory+0x197/0x197
[  841.263117]  ? mark_held_locks+0x130/0x130
[  841.267375]  ? __lock_acquire+0x62f/0x4c20
[  841.271635]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  841.276404]  ? print_usage_bug+0xc0/0xc0
[  841.280480]  ? graph_lock+0x270/0x270
[  841.284288]  ? graph_lock+0x270/0x270
[  841.288101]  ? print_usage_bug+0xc0/0xc0
[  841.292164]  ? print_usage_bug+0xc0/0xc0
[  841.296249]  ? graph_lock+0x270/0x270
[  841.300064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.305631]  ? find_held_lock+0x36/0x1c0
[  841.309714]  ? mark_held_locks+0xc7/0x130
[  841.313879]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  841.318992]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  841.324108]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  841.328733]  ? trace_hardirqs_on+0xbd/0x310
[  841.333058]  ? kasan_check_read+0x11/0x20
[  841.337250]  ? ___ratelimit+0x3b4/0x672
[  841.341251]  ? trace_hardirqs_off_caller+0x300/0x300
[  841.346383]  ? trace_hardirqs_on+0x310/0x310
[  841.350833]  ? lock_downgrade+0x900/0x900
[  841.355000]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  841.360114]  ? ___ratelimit+0x3b9/0x672
[  841.364093]  ? idr_get_free+0xf70/0xf70
[  841.368070]  ? kasan_check_read+0x11/0x20
[  841.372227]  ? do_raw_spin_unlock+0xa7/0x330
[  841.376672]  oom_kill_process.cold.27+0x10/0x903
[  841.381449]  ? graph_lock+0x270/0x270
[  841.385264]  ? _raw_spin_unlock+0x2c/0x50
[  841.389421]  ? oom_badness+0xe6/0xaa0
[  841.393242]  ? oom_evaluate_task+0x540/0x540
[  841.397668]  ? find_held_lock+0x36/0x1c0
[  841.401750]  ? out_of_memory+0x96f/0x1430
[  841.405928]  ? lock_downgrade+0x900/0x900
[  841.410099]  ? check_preemption_disabled+0x48/0x280
[  841.415135]  ? kasan_check_read+0x11/0x20
[  841.419293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.424586]  ? rcu_read_unlock_special+0x370/0x370
[  841.429530]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  841.434556]  ? oom_evaluate_task+0x302/0x540
[  841.438980]  out_of_memory+0xa7f/0x1430
[  841.442977]  ? oom_killer_disable+0x3a0/0x3a0
[  841.447483]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  841.452430]  ? __ww_mutex_check_waiters+0x160/0x160
[  841.457470]  __alloc_pages_slowpath+0x236a/0x2e30
[  841.462353]  ? warn_alloc+0x120/0x120
[  841.466165]  ? mark_held_locks+0x130/0x130
[  841.470424]  ? find_get_entry+0xaae/0x1120
[  841.474682]  ? filemap_map_pages+0x1a20/0x1a20
[  841.479285]  ? graph_lock+0x270/0x270
[  841.483100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.488663]  ? check_preemption_disabled+0x48/0x280
[  841.493731]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.499277]  ? should_fail+0x22d/0xd01
[  841.503181]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  841.508316]  ? graph_lock+0x270/0x270
[  841.512156]  ? __lock_is_held+0xb5/0x140
[  841.516243]  ? mark_held_locks+0x130/0x130
[  841.520491]  ? lock_release+0xa10/0xa10
[  841.524475]  ? perf_trace_sched_process_exec+0x860/0x860
[  841.529947]  ? xa_load+0x2ba/0x460
[  841.533501]  ? lock_downgrade+0x900/0x900
[  841.537679]  ? __might_sleep+0x95/0x190
[  841.541670]  __alloc_pages_nodemask+0xa7b/0xdd0
[  841.546360]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  841.551391]  ? __page_cache_alloc+0x177/0x570
[  841.555895]  ? xa_load+0x2e1/0x460
[  841.559459]  ? xa_clear_mark+0x40/0x40
[  841.563358]  ? graph_lock+0x270/0x270
[  841.567175]  ? graph_lock+0x270/0x270
[  841.570990]  ? graph_lock+0x270/0x270
[  841.574802]  ? __do_page_cache_readahead+0x663/0x810
[  841.579925]  ? find_held_lock+0x36/0x1c0
[  841.584018]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  841.589577]  alloc_pages_current+0x173/0x350
[  841.594032]  __page_cache_alloc+0x3ce/0x570
[  841.598368]  ? kasan_check_read+0x11/0x20
[  841.602523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.607824]  ? generic_perform_write+0x6a0/0x6a0
[  841.612593]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.618140]  ? check_preemption_disabled+0x48/0x280
[  841.623175]  filemap_fault+0x1595/0x25f0
[  841.627269]  ? __lock_page_or_retry+0xa00/0xa00
[  841.631993]  ? mark_held_locks+0x130/0x130
[  841.636270]  ? filemap_map_pages+0xd6b/0x1a20
[  841.640783]  ? lock_downgrade+0x900/0x900
[  841.644940]  ? check_preemption_disabled+0x48/0x280
[  841.649978]  ? kasan_check_read+0x11/0x20
[  841.654136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.659426]  ? rcu_read_unlock_special+0x370/0x370
[  841.664379]  ? filemap_map_pages+0xd92/0x1a20
[  841.668913]  ? find_get_entries_tag+0x1400/0x1400
[  841.673772]  ? debug_object_destroy+0x2b0/0x2b0
[  841.678457]  ? lock_pi_update_atomic+0x150/0x150
[  841.683235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  841.688799]  ? lock_acquire+0x1ed/0x520
[  841.692785]  ? ext4_filemap_fault+0x7a/0xad
[  841.697122]  ? lock_release+0xa10/0xa10
[  841.701106]  ? perf_trace_sched_process_exec+0x860/0x860
[  841.706571]  ? print_usage_bug+0xc0/0xc0
[  841.710643]  ? print_usage_bug+0xc0/0xc0
[  841.714766]  ? down_read+0x8d/0x120
[  841.718426]  ? ext4_filemap_fault+0x7a/0xad
[  841.722761]  ? __down_interruptible+0x700/0x700
[  841.727453]  ext4_filemap_fault+0x82/0xad
[  841.731613]  __do_fault+0x100/0x6b0
[  841.735266]  ? do_futex+0x1df/0x26d0
[  841.738995]  ? pmd_devmap_trans_unstable+0x220/0x220
[  841.744140]  ? mark_held_locks+0x130/0x130
[  841.748385]  ? mark_held_locks+0x130/0x130
[  841.752638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.758217]  __handle_mm_fault+0x3ea0/0x5be0
[  841.762661]  ? perf_trace_lock+0x7a0/0x7a0
[  841.766910]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  841.771774]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  841.776375]  ? graph_lock+0x270/0x270
[  841.780181]  ? graph_lock+0x270/0x270
[  841.783999]  ? __x64_sys_futex+0x53e/0x6a0
[  841.788260]  ? find_held_lock+0x36/0x1c0
[  841.792340]  ? handle_mm_fault+0x42a/0xc70
[  841.796605]  ? lock_downgrade+0x900/0x900
[  841.800767]  ? check_preemption_disabled+0x48/0x280
[  841.805797]  ? kasan_check_read+0x11/0x20
[  841.809956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  841.815248]  ? rcu_read_unlock_special+0x370/0x370
[  841.820214]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  841.825765]  ? check_preemption_disabled+0x48/0x280
[  841.830802]  handle_mm_fault+0x54f/0xc70
[  841.834882]  ? __handle_mm_fault+0x5be0/0x5be0
[  841.839479]  ? find_vma+0x34/0x190
[  841.843048]  __do_page_fault+0x5d6/0xe40
[  841.847115]  ? trace_hardirqs_off+0xb8/0x310
[  841.851544]  do_page_fault+0xed/0x7d1
[  841.855359]  ? vmalloc_sync_all+0x30/0x30
[  841.859519]  ? error_entry+0x70/0xd0
[  841.863272]  ? trace_hardirqs_off_caller+0xbb/0x300
[  841.868295]  ? trace_hardirqs_on_caller+0xc0/0x310
[  841.873245]  ? syscall_return_slowpath+0x5e0/0x5e0
[  841.878208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.883086]  ? trace_hardirqs_on_caller+0x310/0x310
[  841.888112]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  841.893581]  ? prepare_exit_to_usermode+0x291/0x3b0
[  841.898615]  ? page_fault+0x8/0x30
[  841.902168]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  841.907046]  ? page_fault+0x8/0x30
[  841.910591]  page_fault+0x1e/0x30
[  841.914048] RIP: 0033:0x45ddf3
[  841.917279] Code: Bad RIP value.
[  841.920641] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  841.926003] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  841.933290] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  841.940576] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  841.947912] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  841.955204] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  841.962522] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  841.962561] warn_alloc_show_mem: 1 callbacks suppressed
[  841.962566] Mem-Info:
[  841.970618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  841.970628] Call Trace:
[  841.976026] active_anon:129018 inactive_anon:195 isolated_anon:0
[  841.976026]  active_file:12 inactive_file:15 isolated_file:0
[  841.976026]  unevictable:1 dirty:0 writeback:0 unstable:0
[  841.976026]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  841.976026]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  841.976026]  free:13741 free_pcp:161 free_cma:0
[  841.978431]  dump_stack+0x244/0x39d
[  841.987785] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  841.990389]  ? dump_stack_print_info.cold.1+0x20/0x20
[  842.023431] 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
[  842.027082]  warn_alloc.cold.116+0xb7/0x1bd
[  842.054654] lowmem_reserve[]: 0 2818 6321 6321
[  842.059865]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  842.085957] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  842.090304]  ? lock_downgrade+0x900/0x900
[  842.094846] lowmem_reserve[]: 0 0 3503 3503
[  842.099722]  ? trace_hardirqs_off+0xb8/0x310
[  842.127127] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  842.131310]  ? trace_hardirqs_off+0xb8/0x310
[  842.135594] lowmem_reserve[]: 0 0 0 0
[  842.140016]  __alloc_pages_slowpath+0x26fe/0x2e30
[  842.168888] 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
[  842.173360]  ? warn_alloc+0x120/0x120
[  842.177103] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  842.181954]  ? warn_alloc+0x120/0x120
[  842.195461] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  842.199282]  ? warn_alloc+0x120/0x120
[  842.213658] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  842.217472]  ? print_usage_bug+0xc0/0xc0
[  842.232715] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  842.232728] 296 total pagecache pages
[  842.236551]  ? print_usage_bug+0xc0/0xc0
[  842.245367] 0 pages in swap cache
[  842.249443]  ? mark_held_locks+0x130/0x130
[  842.257996] Swap cache stats: add 0, delete 0, find 0/0
[  842.261819]  ? mark_held_locks+0x130/0x130
[  842.265856] Free swap  = 0kB
[  842.269308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  842.273519] Total swap = 0kB
[  842.278887]  ? should_fail+0x22d/0xd01
[  842.283099] 1965979 pages RAM
[  842.286121]  ? graph_lock+0x270/0x270
[  842.291643] 0 pages HighMem/MovableOnly
[  842.294674]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.298527] 342854 pages reserved
[  842.298536] 0 pages cma reserved
[  842.301661]  ? __lock_acquire+0x62f/0x4c20
[  842.305597] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  842.309412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.314491] syz-fuzzer cpuset=/ mems_allowed=0
[  842.317945]  ? __lock_acquire+0x62f/0x4c20
[  842.349632]  ? should_fail+0x22d/0xd01
[  842.353543]  ? mark_held_locks+0x130/0x130
[  842.357806]  ? mark_held_locks+0x130/0x130
[  842.362043]  ? lock_downgrade+0x900/0x900
[  842.366224]  ? graph_lock+0x270/0x270
[  842.370052]  ? graph_lock+0x270/0x270
[  842.373871]  ? graph_lock+0x270/0x270
[  842.377673]  ? do_raw_spin_unlock+0xa7/0x330
[  842.382095]  ? trace_hardirqs_on+0x310/0x310
[  842.386533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.392112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.397658]  ? check_preemption_disabled+0x48/0x280
[  842.402718]  ? __lock_is_held+0xb5/0x140
[  842.406789]  __alloc_pages_nodemask+0xa7b/0xdd0
[  842.411468]  ? graph_lock+0x270/0x270
[  842.415290]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  842.420321]  ? find_held_lock+0x36/0x1c0
[  842.424430]  ? ____cache_alloc_node+0x1c7/0x1e0
[  842.429107]  ? lock_downgrade+0x900/0x900
[  842.433310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.438863]  cache_grow_begin+0xa5/0x8c0
[  842.442944]  ? do_raw_spin_unlock+0xa7/0x330
[  842.447365]  fallback_alloc+0x204/0x2e0
[  842.451349]  ____cache_alloc_node+0x1c7/0x1e0
[  842.455872]  kmem_cache_alloc_node+0xe3/0x730
[  842.460378]  ? lockdep_hardirqs_on+0x296/0x5b0
[  842.464972]  __alloc_skb+0x114/0x770
[  842.468707]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  842.474089]  ? netdev_alloc_frag+0x1f0/0x1f0
[  842.478514]  ? vprintk_default+0x28/0x30
[  842.482582]  ? vprintk_func+0x85/0x181
[  842.486472]  ? printk+0xa7/0xcf
[  842.489761]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  842.494529]  ? do_raw_spin_trylock+0x270/0x270
[  842.499122]  new_skb+0x26/0x1c0
[  842.502412]  aoecmd_cfg+0x279/0x7f0
[  842.506048]  ? find_held_lock+0x36/0x1c0
[  842.510116]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  842.514449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.520004]  ? __lock_is_held+0xb5/0x140
[  842.524085]  discover_timer+0x50/0x60
[  842.527890]  call_timer_fn+0x26d/0x920
[  842.531808]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  842.536654]  ? process_timeout+0x40/0x40
[  842.540746]  ? __run_timers+0x7d5/0xc60
[  842.544742]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.549254]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.553753]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  842.558606]  ? lockdep_hardirqs_on+0x296/0x5b0
[  842.563221]  ? trace_hardirqs_on+0xbd/0x310
[  842.567553]  ? kasan_check_read+0x11/0x20
[  842.571703]  ? __run_timers+0x7d5/0xc60
[  842.575691]  ? trace_hardirqs_off_caller+0x300/0x300
[  842.580847]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  842.585709]  __run_timers+0x7e0/0xc60
[  842.589542]  ? timer_fixup_init+0x70/0x70
[  842.593731]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.598249]  ? _raw_spin_unlock_irq+0x27/0x80
[  842.602760]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  842.607351]  ? trace_hardirqs_on+0xbd/0x310
[  842.611690]  ? kasan_check_read+0x11/0x20
[  842.615855]  ? finish_task_switch+0x1f4/0x920
[  842.620362]  ? trace_hardirqs_off_caller+0x300/0x300
[  842.625475]  ? compat_start_thread+0x80/0x80
[  842.629929]  ? pvclock_read_flags+0x160/0x160
[  842.634450]  ? __switch_to_asm+0x34/0x70
[  842.638535]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.644090]  ? check_preemption_disabled+0x48/0x280
[  842.649138]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  842.654684]  ? rcu_pm_notify+0xc0/0xc0
[  842.658582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.664129]  ? check_preemption_disabled+0x48/0x280
[  842.669170]  run_timer_softirq+0x52/0xb0
[  842.673264]  ? rcu_read_lock_sched_held+0x14f/0x180
[  842.678290]  __do_softirq+0x308/0xb7e
[  842.682098]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  842.686883]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  842.692013]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  842.696788]  ? trace_hardirqs_off+0xb8/0x310
[  842.701218]  ? smpboot_thread_fn+0x68b/0xa00
[  842.705637]  ? trace_hardirqs_on+0x310/0x310
[  842.710074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  842.715618]  ? check_preemption_disabled+0x48/0x280
[  842.720642]  ? takeover_tasklets+0xa90/0xa90
[  842.725057]  run_ksoftirqd+0x5e/0x100
[  842.728889]  smpboot_thread_fn+0x68b/0xa00
[  842.733166]  ? sort_range+0x30/0x30
[  842.736830]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  842.741940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  842.747484]  ? __kthread_parkme+0xfb/0x1a0
[  842.751745]  ? sort_range+0x30/0x30
[  842.755378]  kthread+0x35a/0x440
[  842.758755]  ? kthread_stop+0x8f0/0x8f0
[  842.762755]  ret_from_fork+0x3a/0x50
[  842.766499] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  842.766589] aoe: skb alloc failure
[  842.774741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  842.774747] Call Trace:
[  842.774754]  <IRQ>
[  842.774779]  dump_stack+0x244/0x39d
[  842.774800]  ? dump_stack_print_info.cold.1+0x20/0x20
[  842.778371] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  842.787720]  warn_alloc.cold.116+0xb7/0x1bd
[  842.790270] ksoftirqd/0 cpuset=/ mems_allowed=0
[  842.792420]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  842.825360]  ? lock_downgrade+0x900/0x900
[  842.829540]  ? trace_hardirqs_off+0xb8/0x310
[  842.833976]  ? trace_hardirqs_off+0xb8/0x310
[  842.838410]  __alloc_pages_slowpath+0x26fe/0x2e30
[  842.843311]  ? warn_alloc+0x120/0x120
[  842.847129]  ? warn_alloc+0x120/0x120
[  842.850959]  ? warn_alloc+0x120/0x120
[  842.854768]  ? print_usage_bug+0xc0/0xc0
[  842.858837]  ? __lock_acquire+0x62f/0x4c20
[  842.863078]  ? print_usage_bug+0xc0/0xc0
[  842.867147]  ? print_usage_bug+0xc0/0xc0
[  842.871220]  ? rcu_softirq_qs+0x20/0x20
[  842.875222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  842.880773]  ? should_fail+0x22d/0xd01
[  842.884690]  ? mark_held_locks+0x130/0x130
[  842.888952]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.894068]  ? __lock_acquire+0x62f/0x4c20
[  842.898324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  842.903439]  ? __lock_acquire+0x62f/0x4c20
[  842.907684]  ? should_fail+0x22d/0xd01
[  842.911586]  ? print_usage_bug+0xc0/0xc0
[  842.915673]  ? mark_held_locks+0x130/0x130
[  842.919925]  ? mark_held_locks+0x130/0x130
[  842.924173]  ? graph_lock+0x270/0x270
[  842.928006]  ? print_usage_bug+0xc0/0xc0
[  842.932071]  ? graph_lock+0x270/0x270
[  842.935883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  842.941003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.946832]  ? check_preemption_disabled+0x48/0x280
[  842.951906]  ? __lock_is_held+0xb5/0x140
[  842.955992]  __alloc_pages_nodemask+0xa7b/0xdd0
[  842.960689]  ? graph_lock+0x270/0x270
[  842.964509]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  842.969547]  ? find_held_lock+0x36/0x1c0
[  842.973633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  842.978313]  ? lock_downgrade+0x900/0x900
[  842.982483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  842.988053]  cache_grow_begin+0xa5/0x8c0
[  842.992124]  ? do_raw_spin_unlock+0xa7/0x330
[  842.996563]  fallback_alloc+0x204/0x2e0
[  843.000554]  ____cache_alloc_node+0x1c7/0x1e0
[  843.005071]  kmem_cache_alloc_node+0xe3/0x730
[  843.009597]  ? ipv6_get_ifaddr+0x42e/0x620
[  843.013872]  __alloc_skb+0x114/0x770
[  843.017597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.022892]  ? netdev_alloc_frag+0x1f0/0x1f0
[  843.027320]  ? lock_downgrade+0x900/0x900
[  843.031494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.037051]  ? refcount_sub_and_test_checked+0x203/0x310
[  843.042536]  ? refcount_dec_if_one+0x180/0x180
[  843.047133]  ? addrconf_rs_timer+0x690/0x690
[  843.051563]  ndisc_alloc_skb+0x144/0x340
[  843.055646]  ndisc_send_rs+0x331/0x6e0
[  843.059555]  addrconf_rs_timer+0x314/0x690
[  843.063809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  843.068082]  call_timer_fn+0x26d/0x920
[  843.071984]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  843.076758]  ? process_timeout+0x40/0x40
[  843.080843]  ? mark_held_locks+0xc7/0x130
[  843.084997]  ? _raw_spin_unlock_irq+0x27/0x80
[  843.089495]  ? _raw_spin_unlock_irq+0x27/0x80
[  843.094004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  843.098275]  ? lockdep_hardirqs_on+0x296/0x5b0
[  843.102864]  ? trace_hardirqs_on+0xbd/0x310
[  843.107187]  ? kasan_check_read+0x11/0x20
[  843.111342]  ? __run_timers+0x7d5/0xc60
[  843.115321]  ? trace_hardirqs_off_caller+0x300/0x300
[  843.120437]  ? br_multicast_del_pg+0x790/0x790
[  843.125095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  843.129361]  __run_timers+0x7e0/0xc60
[  843.133185]  ? timer_fixup_init+0x70/0x70
[  843.137350]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  843.142366]  ? graph_lock+0x270/0x270
[  843.146210]  ? print_usage_bug+0xc0/0xc0
[  843.150280]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  843.155474]  ? find_held_lock+0x36/0x1c0
[  843.159537]  ? graph_lock+0x270/0x270
[  843.163337]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.168872]  ? check_preemption_disabled+0x48/0x280
[  843.173899]  ? __lock_is_held+0xb5/0x140
[  843.177965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.183521]  ? check_preemption_disabled+0x48/0x280
[  843.188540]  run_timer_softirq+0x52/0xb0
[  843.192616]  ? rcu_read_lock_sched_held+0x14f/0x180
[  843.197630]  __do_softirq+0x308/0xb7e
[  843.201434]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  843.205928]  ? lock_downgrade+0x900/0x900
[  843.210082]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  843.215201]  ? pvclock_read_flags+0x160/0x160
[  843.219721]  ? lapic_next_event+0x5a/0x90
[  843.223868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.229424]  ? kvm_clock_read+0x18/0x30
[  843.233396]  ? kvm_sched_clock_read+0x9/0x20
[  843.237804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.243343]  ? check_preemption_disabled+0x48/0x280
[  843.248369]  irq_exit+0x17f/0x1c0
[  843.251824]  smp_apic_timer_interrupt+0x1cb/0x760
[  843.256667]  ? smp_reschedule_interrupt+0x109/0x650
[  843.261709]  ? smp_call_function_single_interrupt+0x640/0x640
[  843.267603]  ? interrupt_entry+0xb5/0xc0
[  843.271668]  ? trace_hardirqs_off_caller+0xbb/0x300
[  843.276698]  ? trace_hardirqs_off_caller+0xbb/0x300
[  843.281735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  843.286575]  ? trace_hardirqs_on_caller+0x310/0x310
[  843.291588]  ? trace_hardirqs_on_caller+0x310/0x310
[  843.296629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  843.301482]  apic_timer_interrupt+0xf/0x20
[  843.305713]  </IRQ>
[  843.307948] RIP: 0010:dump_stack+0x358/0x39d
[  843.312361] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  843.331275] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  843.338978] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  843.346241] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  843.353514] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  843.360781] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  843.368049] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  843.375332]  ? dump_stack+0x34f/0x39d
[  843.379147]  ? dump_stack_print_info.cold.1+0x20/0x20
[  843.384340]  ? mark_held_locks+0x130/0x130
[  843.388576]  ? mark_held_locks+0x130/0x130
[  843.392812]  dump_header+0x27b/0xf72
[  843.396537]  ? pagefault_out_of_memory+0x197/0x197
[  843.401473]  ? mark_held_locks+0x130/0x130
[  843.405709]  ? __lock_acquire+0x62f/0x4c20
[  843.409940]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  843.414699]  ? print_usage_bug+0xc0/0xc0
[  843.418770]  ? graph_lock+0x270/0x270
[  843.422581]  ? graph_lock+0x270/0x270
[  843.426384]  ? print_usage_bug+0xc0/0xc0
[  843.430461]  ? print_usage_bug+0xc0/0xc0
[  843.434536]  ? graph_lock+0x270/0x270
[  843.438341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.443878]  ? find_held_lock+0x36/0x1c0
[  843.447949]  ? mark_held_locks+0xc7/0x130
[  843.452101]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  843.457223]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  843.462335]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  843.466936]  ? trace_hardirqs_on+0xbd/0x310
[  843.471257]  ? kasan_check_read+0x11/0x20
[  843.475406]  ? ___ratelimit+0x3b4/0x672
[  843.479385]  ? trace_hardirqs_off_caller+0x300/0x300
[  843.484495]  ? trace_hardirqs_on+0x310/0x310
[  843.488904]  ? lock_downgrade+0x900/0x900
[  843.493057]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  843.498160]  ? ___ratelimit+0x3b9/0x672
[  843.502146]  ? idr_get_free+0xf70/0xf70
[  843.506120]  ? kasan_check_read+0x11/0x20
[  843.510269]  ? do_raw_spin_unlock+0xa7/0x330
[  843.514686]  oom_kill_process.cold.27+0x10/0x903
[  843.519449]  ? graph_lock+0x270/0x270
[  843.523256]  ? _raw_spin_unlock+0x2c/0x50
[  843.527402]  ? oom_badness+0xe6/0xaa0
[  843.531219]  ? oom_evaluate_task+0x540/0x540
[  843.535661]  ? find_held_lock+0x36/0x1c0
[  843.539732]  ? out_of_memory+0x96f/0x1430
[  843.543894]  ? lock_downgrade+0x900/0x900
[  843.548051]  ? check_preemption_disabled+0x48/0x280
[  843.553069]  ? kasan_check_read+0x11/0x20
[  843.557217]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.562510]  ? rcu_read_unlock_special+0x370/0x370
[  843.567440]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  843.572452]  ? oom_evaluate_task+0x302/0x540
[  843.576863]  out_of_memory+0xa7f/0x1430
[  843.580845]  ? oom_killer_disable+0x3a0/0x3a0
[  843.585345]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  843.590274]  ? __ww_mutex_check_waiters+0x160/0x160
[  843.595304]  __alloc_pages_slowpath+0x236a/0x2e30
[  843.600229]  ? warn_alloc+0x120/0x120
[  843.604029]  ? mark_held_locks+0x130/0x130
[  843.608267]  ? find_get_entry+0xaae/0x1120
[  843.612510]  ? filemap_map_pages+0x1a20/0x1a20
[  843.617096]  ? graph_lock+0x270/0x270
[  843.620907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.626466]  ? check_preemption_disabled+0x48/0x280
[  843.631517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.637058]  ? should_fail+0x22d/0xd01
[  843.640950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  843.646070]  ? graph_lock+0x270/0x270
[  843.649897]  ? __lock_is_held+0xb5/0x140
[  843.653967]  ? mark_held_locks+0x130/0x130
[  843.658213]  ? lock_release+0xa10/0xa10
[  843.662244]  ? perf_trace_sched_process_exec+0x860/0x860
[  843.667715]  ? xa_load+0x2ba/0x460
[  843.671254]  ? lock_downgrade+0x900/0x900
[  843.675408]  ? __might_sleep+0x95/0x190
[  843.679391]  __alloc_pages_nodemask+0xa7b/0xdd0
[  843.684068]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  843.689082]  ? __page_cache_alloc+0x177/0x570
[  843.693577]  ? xa_load+0x2e1/0x460
[  843.697120]  ? xa_clear_mark+0x40/0x40
[  843.701011]  ? graph_lock+0x270/0x270
[  843.704814]  ? graph_lock+0x270/0x270
[  843.708624]  ? graph_lock+0x270/0x270
[  843.712433]  ? __do_page_cache_readahead+0x663/0x810
[  843.717555]  ? find_held_lock+0x36/0x1c0
[  843.721618]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  843.727160]  alloc_pages_current+0x173/0x350
[  843.731578]  __page_cache_alloc+0x3ce/0x570
[  843.735898]  ? kasan_check_read+0x11/0x20
[  843.740059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.745336]  ? generic_perform_write+0x6a0/0x6a0
[  843.750091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.755625]  ? check_preemption_disabled+0x48/0x280
[  843.760646]  filemap_fault+0x1595/0x25f0
[  843.764743]  ? __lock_page_or_retry+0xa00/0xa00
[  843.769411]  ? mark_held_locks+0x130/0x130
[  843.773651]  ? filemap_map_pages+0xd6b/0x1a20
[  843.778144]  ? lock_downgrade+0x900/0x900
[  843.782306]  ? check_preemption_disabled+0x48/0x280
[  843.787328]  ? kasan_check_read+0x11/0x20
[  843.791475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.796755]  ? rcu_read_unlock_special+0x370/0x370
[  843.801715]  ? filemap_map_pages+0xd92/0x1a20
[  843.806259]  ? find_get_entries_tag+0x1400/0x1400
[  843.811103]  ? debug_object_destroy+0x2b0/0x2b0
[  843.815790]  ? lock_pi_update_atomic+0x150/0x150
[  843.820540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  843.826086]  ? lock_acquire+0x1ed/0x520
[  843.830059]  ? ext4_filemap_fault+0x7a/0xad
[  843.834387]  ? lock_release+0xa10/0xa10
[  843.838372]  ? perf_trace_sched_process_exec+0x860/0x860
[  843.843821]  ? print_usage_bug+0xc0/0xc0
[  843.847885]  ? print_usage_bug+0xc0/0xc0
[  843.851961]  ? down_read+0x8d/0x120
[  843.855598]  ? ext4_filemap_fault+0x7a/0xad
[  843.859938]  ? __down_interruptible+0x700/0x700
[  843.864637]  ext4_filemap_fault+0x82/0xad
[  843.868792]  __do_fault+0x100/0x6b0
[  843.872418]  ? do_futex+0x1df/0x26d0
[  843.876136]  ? pmd_devmap_trans_unstable+0x220/0x220
[  843.881260]  ? mark_held_locks+0x130/0x130
[  843.885530]  ? mark_held_locks+0x130/0x130
[  843.889776]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.895331]  __handle_mm_fault+0x3ea0/0x5be0
[  843.899740]  ? perf_trace_lock+0x7a0/0x7a0
[  843.903985]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  843.908842]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  843.913437]  ? graph_lock+0x270/0x270
[  843.917248]  ? graph_lock+0x270/0x270
[  843.921048]  ? __x64_sys_futex+0x53e/0x6a0
[  843.925285]  ? find_held_lock+0x36/0x1c0
[  843.929356]  ? handle_mm_fault+0x42a/0xc70
[  843.933591]  ? lock_downgrade+0x900/0x900
[  843.937750]  ? check_preemption_disabled+0x48/0x280
[  843.942767]  ? kasan_check_read+0x11/0x20
[  843.946915]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  843.952202]  ? rcu_read_unlock_special+0x370/0x370
[  843.957140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  843.962691]  ? check_preemption_disabled+0x48/0x280
[  843.967727]  handle_mm_fault+0x54f/0xc70
[  843.971791]  ? __handle_mm_fault+0x5be0/0x5be0
[  843.976376]  ? find_vma+0x34/0x190
[  843.979942]  __do_page_fault+0x5d6/0xe40
[  843.984010]  ? trace_hardirqs_off+0xb8/0x310
[  843.988432]  do_page_fault+0xed/0x7d1
[  843.992232]  ? vmalloc_sync_all+0x30/0x30
[  843.996383]  ? error_entry+0x70/0xd0
[  844.000100]  ? trace_hardirqs_off_caller+0xbb/0x300
[  844.005132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  844.010070]  ? syscall_return_slowpath+0x5e0/0x5e0
[  844.015011]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  844.019872]  ? trace_hardirqs_on_caller+0x310/0x310
[  844.024907]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  844.030383]  ? prepare_exit_to_usermode+0x291/0x3b0
[  844.035415]  ? page_fault+0x8/0x30
[  844.038974]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  844.043837]  ? page_fault+0x8/0x30
[  844.047386]  page_fault+0x1e/0x30
[  844.050849] RIP: 0033:0x45ddf3
[  844.054073] Code: Bad RIP value.
[  844.057440] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  844.062804] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  844.070064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  844.077331] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  844.084596] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  844.091883] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  844.099174] warn_alloc_show_mem: 1 callbacks suppressed
[  844.099188] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  844.099189] Mem-Info:
[  844.099234] active_anon:129018 inactive_anon:195 isolated_anon:0
[  844.099234]  active_file:12 inactive_file:15 isolated_file:0
[  844.099234]  unevictable:1 dirty:0 writeback:0 unstable:0
[  844.099234]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  844.099234]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  844.099234]  free:13741 free_pcp:161 free_cma:0
[  844.104667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  844.112745] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  844.115158] Call Trace:
[  844.148202] 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
[  844.157562]  dump_stack+0x244/0x39d
[  844.185116] lowmem_reserve[]: 0 2818 6321 6321
[  844.187701]  ? dump_stack_print_info.cold.1+0x20/0x20
[  844.213799] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  844.217430]  warn_alloc.cold.116+0xb7/0x1bd
[  844.221975] lowmem_reserve[]: 0 0 3503 3503
[  844.227158]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  844.254559] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  844.258880]  ? lock_downgrade+0x900/0x900
[  844.263168] lowmem_reserve[]: 0 0 0 0
[  844.268019]  ? trace_hardirqs_off+0xb8/0x310
[  844.296876] 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
[  844.301020]  ? trace_hardirqs_off+0xb8/0x310
[  844.304792] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  844.309237]  __alloc_pages_slowpath+0x26fe/0x2e30
[  844.322726] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  844.327172]  ? warn_alloc+0x120/0x120
[  844.341523] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  844.346351]  ? warn_alloc+0x120/0x120
[  844.361602] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  844.365390]  ? warn_alloc+0x120/0x120
[  844.374209] 296 total pagecache pages
[  844.378001]  ? print_usage_bug+0xc0/0xc0
[  844.386561] 0 pages in swap cache
[  844.390350]  ? print_usage_bug+0xc0/0xc0
[  844.394128] Swap cache stats: add 0, delete 0, find 0/0
[  844.398188]  ? mark_held_locks+0x130/0x130
[  844.401641] Free swap  = 0kB
[  844.405694]  ? mark_held_locks+0x130/0x130
[  844.411033] Total swap = 0kB
[  844.415264]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.418261] 1965979 pages RAM
[  844.422485]  ? should_fail+0x22d/0xd01
[  844.425508] 0 pages HighMem/MovableOnly
[  844.431035]  ? graph_lock+0x270/0x270
[  844.434115] 342854 pages reserved
[  844.438010]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  844.441961] 0 pages cma reserved
[  844.445752]  ? __lock_acquire+0x62f/0x4c20
[  844.449266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  844.454287]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  844.457810] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  844.461868]  ? __lock_acquire+0x62f/0x4c20
[  844.468333] syz-fuzzer cpuset=/ mems_allowed=0
[  844.473434]  ? should_fail+0x22d/0xd01
[  844.496291]  ? mark_held_locks+0x130/0x130
[  844.500535]  ? mark_held_locks+0x130/0x130
[  844.504765]  ? lock_downgrade+0x900/0x900
[  844.508911]  ? graph_lock+0x270/0x270
[  844.512711]  ? graph_lock+0x270/0x270
[  844.516519]  ? graph_lock+0x270/0x270
[  844.520321]  ? do_raw_spin_unlock+0xa7/0x330
[  844.524729]  ? trace_hardirqs_on+0x310/0x310
[  844.529136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.534677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.540226]  ? check_preemption_disabled+0x48/0x280
[  844.545257]  ? __lock_is_held+0xb5/0x140
[  844.549323]  __alloc_pages_nodemask+0xa7b/0xdd0
[  844.553991]  ? graph_lock+0x270/0x270
[  844.557797]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  844.562828]  ? find_held_lock+0x36/0x1c0
[  844.566904]  ? ____cache_alloc_node+0x1c7/0x1e0
[  844.571592]  ? lock_downgrade+0x900/0x900
[  844.575761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.581305]  cache_grow_begin+0xa5/0x8c0
[  844.585369]  ? do_raw_spin_unlock+0xa7/0x330
[  844.589785]  fallback_alloc+0x204/0x2e0
[  844.593780]  ____cache_alloc_node+0x1c7/0x1e0
[  844.598282]  kmem_cache_alloc_node+0xe3/0x730
[  844.602784]  ? lockdep_hardirqs_on+0x296/0x5b0
[  844.607377]  __alloc_skb+0x114/0x770
[  844.611108]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  844.616474]  ? netdev_alloc_frag+0x1f0/0x1f0
[  844.620909]  ? vprintk_default+0x28/0x30
[  844.624971]  ? vprintk_func+0x85/0x181
[  844.628859]  ? printk+0xa7/0xcf
[  844.632140]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  844.636916]  ? do_raw_spin_trylock+0x270/0x270
[  844.641504]  new_skb+0x26/0x1c0
[  844.644800]  aoecmd_cfg+0x279/0x7f0
[  844.648453]  ? find_held_lock+0x36/0x1c0
[  844.652517]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  844.656858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.662406]  ? __lock_is_held+0xb5/0x140
[  844.666492]  discover_timer+0x50/0x60
[  844.670295]  call_timer_fn+0x26d/0x920
[  844.674181]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  844.679063]  ? process_timeout+0x40/0x40
[  844.683133]  ? __run_timers+0x7d5/0xc60
[  844.687114]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.691608]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.696098]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  844.700942]  ? lockdep_hardirqs_on+0x296/0x5b0
[  844.705524]  ? trace_hardirqs_on+0xbd/0x310
[  844.709854]  ? kasan_check_read+0x11/0x20
[  844.713993]  ? __run_timers+0x7d5/0xc60
[  844.717965]  ? trace_hardirqs_off_caller+0x300/0x300
[  844.723075]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  844.727912]  __run_timers+0x7e0/0xc60
[  844.731721]  ? timer_fixup_init+0x70/0x70
[  844.735870]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.740362]  ? _raw_spin_unlock_irq+0x27/0x80
[  844.744858]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  844.749439]  ? trace_hardirqs_on+0xbd/0x310
[  844.753760]  ? kasan_check_read+0x11/0x20
[  844.757915]  ? finish_task_switch+0x1f4/0x920
[  844.762416]  ? trace_hardirqs_off_caller+0x300/0x300
[  844.767535]  ? compat_start_thread+0x80/0x80
[  844.771966]  ? pvclock_read_flags+0x160/0x160
[  844.776463]  ? __switch_to_asm+0x34/0x70
[  844.780525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.786061]  ? check_preemption_disabled+0x48/0x280
[  844.791116]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  844.796651]  ? rcu_pm_notify+0xc0/0xc0
[  844.800552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  844.806088]  ? check_preemption_disabled+0x48/0x280
[  844.811107]  run_timer_softirq+0x52/0xb0
[  844.815171]  ? rcu_read_lock_sched_held+0x14f/0x180
[  844.820216]  __do_softirq+0x308/0xb7e
[  844.824026]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  844.828787]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  844.833899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  844.838665]  ? trace_hardirqs_off+0xb8/0x310
[  844.843088]  ? smpboot_thread_fn+0x68b/0xa00
[  844.847539]  ? trace_hardirqs_on+0x310/0x310
[  844.851957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.857513]  ? check_preemption_disabled+0x48/0x280
[  844.862529]  ? takeover_tasklets+0xa90/0xa90
[  844.866955]  run_ksoftirqd+0x5e/0x100
[  844.870753]  smpboot_thread_fn+0x68b/0xa00
[  844.874992]  ? sort_range+0x30/0x30
[  844.878636]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  844.883741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  844.889292]  ? __kthread_parkme+0xfb/0x1a0
[  844.893530]  ? sort_range+0x30/0x30
[  844.897172]  kthread+0x35a/0x440
[  844.900568]  ? kthread_stop+0x8f0/0x8f0
[  844.904545]  ret_from_fork+0x3a/0x50
[  844.908307] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  844.908394] aoe: skb alloc failure
[  844.916548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  844.916554] Call Trace:
[  844.916560]  <IRQ>
[  844.916578]  dump_stack+0x244/0x39d
[  844.916596]  ? dump_stack_print_info.cold.1+0x20/0x20
[  844.920175] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  844.929474]  warn_alloc.cold.116+0xb7/0x1bd
[  844.932026] ksoftirqd/0 cpuset=/ mems_allowed=0
[  844.934172]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  844.967201]  ? lock_downgrade+0x900/0x900
[  844.971360]  ? trace_hardirqs_off+0xb8/0x310
[  844.975788]  ? trace_hardirqs_off+0xb8/0x310
[  844.980212]  __alloc_pages_slowpath+0x26fe/0x2e30
[  844.985087]  ? warn_alloc+0x120/0x120
[  844.988892]  ? warn_alloc+0x120/0x120
[  844.992719]  ? warn_alloc+0x120/0x120
[  844.996522]  ? print_usage_bug+0xc0/0xc0
[  845.000585]  ? warn_alloc+0x120/0x120
[  845.004392]  ? print_usage_bug+0xc0/0xc0
[  845.008497]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.014031]  ? should_fail+0x22d/0xd01
[  845.017916]  ? __lock_acquire+0x62f/0x4c20
[  845.022151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  845.027255]  ? __lock_acquire+0x62f/0x4c20
[  845.031492]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  845.036845]  ? __lock_acquire+0x62f/0x4c20
[  845.041089]  ? should_fail+0x22d/0xd01
[  845.045008]  ? mark_held_locks+0x130/0x130
[  845.049263]  ? mark_held_locks+0x130/0x130
[  845.053505]  ? mark_held_locks+0x130/0x130
[  845.057743]  ? graph_lock+0x270/0x270
[  845.061541]  ? print_usage_bug+0xc0/0xc0
[  845.065604]  ? mark_held_locks+0x130/0x130
[  845.069838]  ? print_usage_bug+0xc0/0xc0
[  845.074415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.079953]  ? check_preemption_disabled+0x48/0x280
[  845.084980]  ? __lock_is_held+0xb5/0x140
[  845.089048]  __alloc_pages_nodemask+0xa7b/0xdd0
[  845.093735]  ? graph_lock+0x270/0x270
[  845.097548]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  845.102580]  ? find_held_lock+0x36/0x1c0
[  845.106653]  ? ____cache_alloc_node+0x1c7/0x1e0
[  845.111373]  ? lock_downgrade+0x900/0x900
[  845.115530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.121079]  cache_grow_begin+0xa5/0x8c0
[  845.125161]  ? do_raw_spin_unlock+0xa7/0x330
[  845.129580]  fallback_alloc+0x204/0x2e0
[  845.133587]  ____cache_alloc_node+0x1c7/0x1e0
[  845.138088]  kmem_cache_alloc_node+0xe3/0x730
[  845.142585]  ? ipv6_get_ifaddr+0x42e/0x620
[  845.146849]  __alloc_skb+0x114/0x770
[  845.150560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.155841]  ? netdev_alloc_frag+0x1f0/0x1f0
[  845.160253]  ? lock_downgrade+0x900/0x900
[  845.164428]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.169968]  ? refcount_sub_and_test_checked+0x203/0x310
[  845.175421]  ? refcount_dec_if_one+0x180/0x180
[  845.180015]  ? addrconf_rs_timer+0x690/0x690
[  845.184442]  ndisc_alloc_skb+0x144/0x340
[  845.188507]  ndisc_send_rs+0x331/0x6e0
[  845.192399]  addrconf_rs_timer+0x314/0x690
[  845.196637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.200905]  call_timer_fn+0x26d/0x920
[  845.204806]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.209053]  ? process_timeout+0x40/0x40
[  845.213135]  ? mark_held_locks+0xc7/0x130
[  845.217293]  ? _raw_spin_unlock_irq+0x27/0x80
[  845.221790]  ? _raw_spin_unlock_irq+0x27/0x80
[  845.226285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.230518]  ? lockdep_hardirqs_on+0x296/0x5b0
[  845.235119]  ? trace_hardirqs_on+0xbd/0x310
[  845.239450]  ? kasan_check_read+0x11/0x20
[  845.243590]  ? __run_timers+0x7d5/0xc60
[  845.247566]  ? trace_hardirqs_off_caller+0x300/0x300
[  845.252676]  ? tcp_compressed_ack_kick+0x220/0x220
[  845.257612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  845.261858]  __run_timers+0x7e0/0xc60
[  845.265672]  ? timer_fixup_init+0x70/0x70
[  845.269822]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  845.274839]  ? graph_lock+0x270/0x270
[  845.278648]  ? print_usage_bug+0xc0/0xc0
[  845.282720]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  845.287916]  ? find_held_lock+0x36/0x1c0
[  845.291987]  ? graph_lock+0x270/0x270
[  845.295797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.301338]  ? check_preemption_disabled+0x48/0x280
[  845.306367]  ? __lock_is_held+0xb5/0x140
[  845.310431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.315967]  ? check_preemption_disabled+0x48/0x280
[  845.321006]  run_timer_softirq+0x52/0xb0
[  845.325067]  ? rcu_read_lock_sched_held+0x14f/0x180
[  845.330079]  __do_softirq+0x308/0xb7e
[  845.333881]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  845.338373]  ? lock_downgrade+0x900/0x900
[  845.342526]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  845.347647]  ? pvclock_read_flags+0x160/0x160
[  845.352143]  ? lapic_next_event+0x5a/0x90
[  845.356290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.361832]  ? kvm_clock_read+0x18/0x30
[  845.365802]  ? kvm_sched_clock_read+0x9/0x20
[  845.370219]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.375757]  ? check_preemption_disabled+0x48/0x280
[  845.380783]  irq_exit+0x17f/0x1c0
[  845.384237]  smp_apic_timer_interrupt+0x1cb/0x760
[  845.389073]  ? smp_reschedule_interrupt+0x109/0x650
[  845.394086]  ? smp_call_function_single_interrupt+0x640/0x640
[  845.399989]  ? interrupt_entry+0xb5/0xc0
[  845.404054]  ? trace_hardirqs_off_caller+0xbb/0x300
[  845.409071]  ? trace_hardirqs_off_caller+0xbb/0x300
[  845.414089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  845.418934]  ? trace_hardirqs_on_caller+0x310/0x310
[  845.423965]  ? trace_hardirqs_on_caller+0x310/0x310
[  845.428997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  845.433861]  apic_timer_interrupt+0xf/0x20
[  845.438086]  </IRQ>
[  845.440343] RIP: 0010:dump_stack+0x358/0x39d
[  845.444791] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  845.463701] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  845.471408] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  845.478674] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  845.485959] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  845.493255] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  845.500533] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  845.507815]  ? dump_stack+0x34f/0x39d
[  845.511625]  ? dump_stack_print_info.cold.1+0x20/0x20
[  845.516829]  ? mark_held_locks+0x130/0x130
[  845.521092]  ? mark_held_locks+0x130/0x130
[  845.525335]  dump_header+0x27b/0xf72
[  845.529060]  ? pagefault_out_of_memory+0x197/0x197
[  845.534008]  ? mark_held_locks+0x130/0x130
[  845.538244]  ? __lock_acquire+0x62f/0x4c20
[  845.542475]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  845.547236]  ? print_usage_bug+0xc0/0xc0
[  845.551308]  ? graph_lock+0x270/0x270
[  845.555112]  ? graph_lock+0x270/0x270
[  845.558912]  ? print_usage_bug+0xc0/0xc0
[  845.562974]  ? print_usage_bug+0xc0/0xc0
[  845.567036]  ? graph_lock+0x270/0x270
[  845.570840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.576380]  ? find_held_lock+0x36/0x1c0
[  845.580498]  ? mark_held_locks+0xc7/0x130
[  845.584654]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  845.589758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  845.594860]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  845.599444]  ? trace_hardirqs_on+0xbd/0x310
[  845.603770]  ? kasan_check_read+0x11/0x20
[  845.607915]  ? ___ratelimit+0x3b4/0x672
[  845.611887]  ? trace_hardirqs_off_caller+0x300/0x300
[  845.616993]  ? trace_hardirqs_on+0x310/0x310
[  845.621401]  ? lock_downgrade+0x900/0x900
[  845.625588]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  845.630694]  ? ___ratelimit+0x3b9/0x672
[  845.634677]  ? idr_get_free+0xf70/0xf70
[  845.638658]  ? kasan_check_read+0x11/0x20
[  845.642835]  ? do_raw_spin_unlock+0xa7/0x330
[  845.647256]  oom_kill_process.cold.27+0x10/0x903
[  845.652016]  ? graph_lock+0x270/0x270
[  845.655818]  ? _raw_spin_unlock+0x2c/0x50
[  845.659968]  ? oom_badness+0xe6/0xaa0
[  845.663772]  ? oom_evaluate_task+0x540/0x540
[  845.668182]  ? find_held_lock+0x36/0x1c0
[  845.672265]  ? out_of_memory+0x96f/0x1430
[  845.676414]  ? lock_downgrade+0x900/0x900
[  845.680562]  ? check_preemption_disabled+0x48/0x280
[  845.685590]  ? kasan_check_read+0x11/0x20
[  845.689754]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.695029]  ? rcu_read_unlock_special+0x370/0x370
[  845.699962]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  845.704977]  ? oom_evaluate_task+0x302/0x540
[  845.709391]  out_of_memory+0xa7f/0x1430
[  845.713381]  ? oom_killer_disable+0x3a0/0x3a0
[  845.717878]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  845.722842]  ? __ww_mutex_check_waiters+0x160/0x160
[  845.727871]  __alloc_pages_slowpath+0x236a/0x2e30
[  845.732746]  ? warn_alloc+0x120/0x120
[  845.736560]  ? mark_held_locks+0x130/0x130
[  845.740812]  ? find_get_entry+0xaae/0x1120
[  845.745060]  ? filemap_map_pages+0x1a20/0x1a20
[  845.749645]  ? graph_lock+0x270/0x270
[  845.753452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.759002]  ? check_preemption_disabled+0x48/0x280
[  845.764018]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.769554]  ? should_fail+0x22d/0xd01
[  845.773445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  845.778553]  ? graph_lock+0x270/0x270
[  845.782379]  ? __lock_is_held+0xb5/0x140
[  845.786452]  ? mark_held_locks+0x130/0x130
[  845.790690]  ? lock_release+0xa10/0xa10
[  845.794675]  ? perf_trace_sched_process_exec+0x860/0x860
[  845.800146]  ? xa_load+0x2ba/0x460
[  845.803685]  ? lock_downgrade+0x900/0x900
[  845.807839]  ? __might_sleep+0x95/0x190
[  845.811817]  __alloc_pages_nodemask+0xa7b/0xdd0
[  845.816494]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  845.821512]  ? __page_cache_alloc+0x177/0x570
[  845.826005]  ? xa_load+0x2e1/0x460
[  845.829550]  ? xa_clear_mark+0x40/0x40
[  845.833444]  ? graph_lock+0x270/0x270
[  845.837258]  ? graph_lock+0x270/0x270
[  845.841058]  ? graph_lock+0x270/0x270
[  845.844861]  ? __do_page_cache_readahead+0x663/0x810
[  845.849968]  ? find_held_lock+0x36/0x1c0
[  845.854039]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  845.859587]  alloc_pages_current+0x173/0x350
[  845.864006]  __page_cache_alloc+0x3ce/0x570
[  845.868328]  ? kasan_check_read+0x11/0x20
[  845.872478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.877761]  ? generic_perform_write+0x6a0/0x6a0
[  845.882522]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  845.888061]  ? check_preemption_disabled+0x48/0x280
[  845.893088]  filemap_fault+0x1595/0x25f0
[  845.897162]  ? __lock_page_or_retry+0xa00/0xa00
[  845.901847]  ? mark_held_locks+0x130/0x130
[  845.906090]  ? filemap_map_pages+0xd6b/0x1a20
[  845.910591]  ? lock_downgrade+0x900/0x900
[  845.914754]  ? check_preemption_disabled+0x48/0x280
[  845.919805]  ? kasan_check_read+0x11/0x20
[  845.923948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  845.929260]  ? rcu_read_unlock_special+0x370/0x370
[  845.934207]  ? filemap_map_pages+0xd92/0x1a20
[  845.938748]  ? find_get_entries_tag+0x1400/0x1400
[  845.943596]  ? debug_object_destroy+0x2b0/0x2b0
[  845.948269]  ? lock_pi_update_atomic+0x150/0x150
[  845.953027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  845.958577]  ? lock_acquire+0x1ed/0x520
[  845.962572]  ? ext4_filemap_fault+0x7a/0xad
[  845.966904]  ? lock_release+0xa10/0xa10
[  845.970879]  ? perf_trace_sched_process_exec+0x860/0x860
[  845.976330]  ? print_usage_bug+0xc0/0xc0
[  845.980411]  ? print_usage_bug+0xc0/0xc0
[  845.984487]  ? down_read+0x8d/0x120
[  845.988118]  ? ext4_filemap_fault+0x7a/0xad
[  845.992443]  ? __down_interruptible+0x700/0x700
[  845.997125]  ext4_filemap_fault+0x82/0xad
[  846.001275]  __do_fault+0x100/0x6b0
[  846.004900]  ? do_futex+0x1df/0x26d0
[  846.008617]  ? pmd_devmap_trans_unstable+0x220/0x220
[  846.013729]  ? mark_held_locks+0x130/0x130
[  846.017969]  ? mark_held_locks+0x130/0x130
[  846.022223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.028025]  __handle_mm_fault+0x3ea0/0x5be0
[  846.032428]  ? perf_trace_lock+0x7a0/0x7a0
[  846.036673]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  846.041529]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  846.046140]  ? graph_lock+0x270/0x270
[  846.049939]  ? graph_lock+0x270/0x270
[  846.053754]  ? __x64_sys_futex+0x53e/0x6a0
[  846.057994]  ? find_held_lock+0x36/0x1c0
[  846.062062]  ? handle_mm_fault+0x42a/0xc70
[  846.066295]  ? lock_downgrade+0x900/0x900
[  846.070446]  ? check_preemption_disabled+0x48/0x280
[  846.075471]  ? kasan_check_read+0x11/0x20
[  846.079645]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  846.084926]  ? rcu_read_unlock_special+0x370/0x370
[  846.089856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.095390]  ? check_preemption_disabled+0x48/0x280
[  846.100418]  handle_mm_fault+0x54f/0xc70
[  846.104486]  ? __handle_mm_fault+0x5be0/0x5be0
[  846.109091]  ? find_vma+0x34/0x190
[  846.112639]  __do_page_fault+0x5d6/0xe40
[  846.116701]  ? trace_hardirqs_off+0xb8/0x310
[  846.121130]  do_page_fault+0xed/0x7d1
[  846.124956]  ? vmalloc_sync_all+0x30/0x30
[  846.129118]  ? error_entry+0x70/0xd0
[  846.132832]  ? trace_hardirqs_off_caller+0xbb/0x300
[  846.137892]  ? trace_hardirqs_on_caller+0xc0/0x310
[  846.142840]  ? syscall_return_slowpath+0x5e0/0x5e0
[  846.147781]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  846.152622]  ? trace_hardirqs_on_caller+0x310/0x310
[  846.157639]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  846.163092]  ? prepare_exit_to_usermode+0x291/0x3b0
[  846.168106]  ? page_fault+0x8/0x30
[  846.171653]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  846.176498]  ? page_fault+0x8/0x30
[  846.180043]  page_fault+0x1e/0x30
[  846.183493] RIP: 0033:0x45ddf3
[  846.186708] Code: Bad RIP value.
[  846.190072] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  846.195431] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  846.202695] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  846.209969] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  846.217236] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  846.224508] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  846.231825] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  846.231830] warn_alloc_show_mem: 1 callbacks suppressed
[  846.231837] Mem-Info:
[  846.239906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  846.245288] active_anon:129018 inactive_anon:195 isolated_anon:0
[  846.245288]  active_file:12 inactive_file:15 isolated_file:0
[  846.245288]  unevictable:1 dirty:0 writeback:0 unstable:0
[  846.245288]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  846.245288]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  846.245288]  free:13741 free_pcp:161 free_cma:0
[  846.247664] Call Trace:
[  846.257055] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  846.290077]  dump_stack+0x244/0x39d
[  846.292646] 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
[  846.320237]  ? dump_stack_print_info.cold.1+0x20/0x20
[  846.323840] lowmem_reserve[]: 0 2818 6321 6321
[  846.349954]  warn_alloc.cold.116+0xb7/0x1bd
[  846.355107] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  846.359684]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  846.363977] lowmem_reserve[]: 0 0 3503 3503
[  846.391396]  ? lock_downgrade+0x900/0x900
[  846.396218] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  846.400539]  ? trace_hardirqs_off+0xb8/0x310
[  846.404657] lowmem_reserve[]: 0 0 0 0
[  846.433542]  ? trace_hardirqs_off+0xb8/0x310
[  846.437925] 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
[  846.441721]  __alloc_pages_slowpath+0x26fe/0x2e30
[  846.446105] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  846.459645]  ? warn_alloc+0x120/0x120
[  846.464447] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  846.479286]  ? warn_alloc+0x120/0x120
[  846.483065] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  846.498308]  ? warn_alloc+0x120/0x120
[  846.502087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  846.510924]  ? print_usage_bug+0xc0/0xc0
[  846.514701] 296 total pagecache pages
[  846.523268]  ? print_usage_bug+0xc0/0xc0
[  846.527313] 0 pages in swap cache
[  846.531099]  ? mark_held_locks+0x130/0x130
[  846.535133] Swap cache stats: add 0, delete 0, find 0/0
[  846.538572]  ? mark_held_locks+0x130/0x130
[  846.542780] Free swap  = 0kB
[  846.548136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.552342] Total swap = 0kB
[  846.555353]  ? should_fail+0x22d/0xd01
[  846.560862] 1965979 pages RAM
[  846.563870]  ? graph_lock+0x270/0x270
[  846.567754] 0 pages HighMem/MovableOnly
[  846.570854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  846.574631] 342854 pages reserved
[  846.578612]  ? __lock_acquire+0x62f/0x4c20
[  846.583690] 0 pages cma reserved
[  846.587137]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  846.591440] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  846.594701]  ? __lock_acquire+0x62f/0x4c20
[  846.594722]  ? should_fail+0x22d/0xd01
[  846.599896] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  846.606298]  ? mark_held_locks+0x130/0x130
[  846.610506] syz-fuzzer cpuset=/ mems_allowed=0
[  846.614388]  ? mark_held_locks+0x130/0x130
[  846.637603]  ? lock_downgrade+0x900/0x900
[  846.641750]  ? graph_lock+0x270/0x270
[  846.645554]  ? graph_lock+0x270/0x270
[  846.649356]  ? do_raw_spin_unlock+0xa7/0x330
[  846.653766]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  846.658527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.664062]  ? check_preemption_disabled+0x48/0x280
[  846.669091]  ? __lock_is_held+0xb5/0x140
[  846.673183]  __alloc_pages_nodemask+0xa7b/0xdd0
[  846.677861]  ? graph_lock+0x270/0x270
[  846.681660]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  846.686689]  ? find_held_lock+0x36/0x1c0
[  846.690764]  ? ____cache_alloc_node+0x1c7/0x1e0
[  846.695460]  ? lock_downgrade+0x900/0x900
[  846.699620]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.705164]  cache_grow_begin+0xa5/0x8c0
[  846.709250]  ? do_raw_spin_unlock+0xa7/0x330
[  846.713678]  fallback_alloc+0x204/0x2e0
[  846.717655]  ____cache_alloc_node+0x1c7/0x1e0
[  846.722185]  kmem_cache_alloc_node+0xe3/0x730
[  846.726693]  ? lockdep_hardirqs_on+0x296/0x5b0
[  846.731283]  __alloc_skb+0x114/0x770
[  846.734991]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  846.740356]  ? netdev_alloc_frag+0x1f0/0x1f0
[  846.744797]  ? vprintk_default+0x28/0x30
[  846.748859]  ? vprintk_func+0x85/0x181
[  846.752759]  ? printk+0xa7/0xcf
[  846.756036]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  846.760791]  ? do_raw_spin_trylock+0x270/0x270
[  846.765372]  new_skb+0x26/0x1c0
[  846.768665]  aoecmd_cfg+0x279/0x7f0
[  846.772287]  ? find_held_lock+0x36/0x1c0
[  846.776362]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  846.780688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.786240]  ? __lock_is_held+0xb5/0x140
[  846.790306]  discover_timer+0x50/0x60
[  846.794100]  call_timer_fn+0x26d/0x920
[  846.797988]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.802834]  ? process_timeout+0x40/0x40
[  846.806902]  ? __run_timers+0x7d5/0xc60
[  846.810880]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.815380]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.819913]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.824754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  846.829354]  ? trace_hardirqs_on+0xbd/0x310
[  846.833715]  ? kasan_check_read+0x11/0x20
[  846.837862]  ? __run_timers+0x7d5/0xc60
[  846.841834]  ? trace_hardirqs_off_caller+0x300/0x300
[  846.846946]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  846.851801]  __run_timers+0x7e0/0xc60
[  846.855608]  ? timer_fixup_init+0x70/0x70
[  846.859772]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.864271]  ? _raw_spin_unlock_irq+0x27/0x80
[  846.868766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  846.873350]  ? trace_hardirqs_on+0xbd/0x310
[  846.877670]  ? kasan_check_read+0x11/0x20
[  846.881819]  ? finish_task_switch+0x1f4/0x920
[  846.886326]  ? trace_hardirqs_off_caller+0x300/0x300
[  846.891431]  ? compat_start_thread+0x80/0x80
[  846.895864]  ? pvclock_read_flags+0x160/0x160
[  846.900357]  ? __switch_to_asm+0x34/0x70
[  846.904419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.909968]  ? check_preemption_disabled+0x48/0x280
[  846.914993]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  846.920533]  ? rcu_pm_notify+0xc0/0xc0
[  846.924425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  846.929960]  ? check_preemption_disabled+0x48/0x280
[  846.934978]  run_timer_softirq+0x52/0xb0
[  846.939038]  ? rcu_read_lock_sched_held+0x14f/0x180
[  846.944533]  __do_softirq+0x308/0xb7e
[  846.948340]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  846.953117]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  846.958235]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  846.963008]  ? trace_hardirqs_off+0xb8/0x310
[  846.967420]  ? smpboot_thread_fn+0x68b/0xa00
[  846.971844]  ? trace_hardirqs_on+0x310/0x310
[  846.976253]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  846.981791]  ? check_preemption_disabled+0x48/0x280
[  846.986808]  ? takeover_tasklets+0xa90/0xa90
[  846.991270]  run_ksoftirqd+0x5e/0x100
[  846.995094]  smpboot_thread_fn+0x68b/0xa00
[  846.999339]  ? sort_range+0x30/0x30
[  847.002981]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  847.008099]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.013653]  ? __kthread_parkme+0xfb/0x1a0
[  847.017906]  ? sort_range+0x30/0x30
[  847.021538]  kthread+0x35a/0x440
[  847.025125]  ? kthread_stop+0x8f0/0x8f0
[  847.029113]  ret_from_fork+0x3a/0x50
[  847.032865] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  847.032955] aoe: skb alloc failure
[  847.041106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  847.041112] Call Trace:
[  847.041119]  <IRQ>
[  847.041144]  dump_stack+0x244/0x39d
[  847.041160]  ? dump_stack_print_info.cold.1+0x20/0x20
[  847.041186]  warn_alloc.cold.116+0xb7/0x1bd
[  847.041220]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  847.044802] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  847.054130]  ? lock_downgrade+0x900/0x900
[  847.056703] ksoftirqd/0 cpuset=/ mems_allowed=0
[  847.058859]  ? trace_hardirqs_off+0xb8/0x310
[  847.100772]  ? trace_hardirqs_off+0xb8/0x310
[  847.105205]  __alloc_pages_slowpath+0x26fe/0x2e30
[  847.110090]  ? warn_alloc+0x120/0x120
[  847.113899]  ? print_usage_bug+0xc0/0xc0
[  847.117966]  ? warn_alloc+0x120/0x120
[  847.121772]  ? warn_alloc+0x120/0x120
[  847.125585]  ? print_usage_bug+0xc0/0xc0
[  847.129656]  ? kvm_clock_read+0x18/0x30
[  847.133639]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  847.138689]  ? print_usage_bug+0xc0/0xc0
[  847.142760]  ? __lock_acquire+0x62f/0x4c20
[  847.147008]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.152553]  ? should_fail+0x22d/0xd01
[  847.156441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.161734]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  847.166846]  ? __lock_acquire+0x62f/0x4c20
[  847.171092]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  847.176211]  ? __lock_acquire+0x62f/0x4c20
[  847.180450]  ? should_fail+0x22d/0xd01
[  847.184338]  ? rcu_irq_exit+0x1a2/0x390
[  847.188338]  ? mark_held_locks+0x130/0x130
[  847.192585]  ? mark_held_locks+0x130/0x130
[  847.196849]  ? mark_held_locks+0xc7/0x130
[  847.201005]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  847.206028]  ? graph_lock+0x270/0x270
[  847.209833]  ? print_usage_bug+0xc0/0xc0
[  847.213936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.219479]  ? check_preemption_disabled+0x48/0x280
[  847.224570]  ? __lock_is_held+0xb5/0x140
[  847.228647]  __alloc_pages_nodemask+0xa7b/0xdd0
[  847.233336]  ? graph_lock+0x270/0x270
[  847.237167]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  847.242226]  ? find_held_lock+0x36/0x1c0
[  847.246307]  ? ____cache_alloc_node+0x1c7/0x1e0
[  847.250989]  ? lock_downgrade+0x900/0x900
[  847.255176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.260742]  cache_grow_begin+0xa5/0x8c0
[  847.264812]  ? do_raw_spin_unlock+0xa7/0x330
[  847.269259]  fallback_alloc+0x204/0x2e0
[  847.273265]  ____cache_alloc_node+0x1c7/0x1e0
[  847.277779]  kmem_cache_alloc_node+0xe3/0x730
[  847.282288]  ? ipv6_get_ifaddr+0x42e/0x620
[  847.286554]  __alloc_skb+0x114/0x770
[  847.290285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.295583]  ? netdev_alloc_frag+0x1f0/0x1f0
[  847.300007]  ? lock_downgrade+0x900/0x900
[  847.304172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.309734]  ? refcount_sub_and_test_checked+0x203/0x310
[  847.315213]  ? refcount_dec_if_one+0x180/0x180
[  847.319806]  ? addrconf_rs_timer+0x690/0x690
[  847.324250]  ndisc_alloc_skb+0x144/0x340
[  847.328326]  ndisc_send_rs+0x331/0x6e0
[  847.332233]  addrconf_rs_timer+0x314/0x690
[  847.336488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.340743]  call_timer_fn+0x26d/0x920
[  847.344638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.348878]  ? process_timeout+0x40/0x40
[  847.352970]  ? mark_held_locks+0xc7/0x130
[  847.357157]  ? _raw_spin_unlock_irq+0x27/0x80
[  847.361663]  ? _raw_spin_unlock_irq+0x27/0x80
[  847.366163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.370415]  ? lockdep_hardirqs_on+0x296/0x5b0
[  847.375008]  ? trace_hardirqs_on+0xbd/0x310
[  847.379355]  ? kasan_check_read+0x11/0x20
[  847.383521]  ? __run_timers+0x7d5/0xc60
[  847.387507]  ? trace_hardirqs_off_caller+0x300/0x300
[  847.392632]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.396898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  847.401140]  __run_timers+0x7e0/0xc60
[  847.404962]  ? timer_fixup_init+0x70/0x70
[  847.409122]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  847.414149]  ? graph_lock+0x270/0x270
[  847.417964]  ? print_usage_bug+0xc0/0xc0
[  847.422035]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  847.427270]  ? find_held_lock+0x36/0x1c0
[  847.431347]  ? graph_lock+0x270/0x270
[  847.435167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.440758]  ? check_preemption_disabled+0x48/0x280
[  847.445807]  ? __lock_is_held+0xb5/0x140
[  847.449876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.455437]  ? check_preemption_disabled+0x48/0x280
[  847.460482]  run_timer_softirq+0x52/0xb0
[  847.464586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  847.469613]  __do_softirq+0x308/0xb7e
[  847.473429]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  847.477927]  ? lock_downgrade+0x900/0x900
[  847.482083]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  847.487230]  ? pvclock_read_flags+0x160/0x160
[  847.491752]  ? lapic_next_event+0x5a/0x90
[  847.495931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.501483]  ? kvm_clock_read+0x18/0x30
[  847.505469]  ? kvm_sched_clock_read+0x9/0x20
[  847.509910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.515490]  ? check_preemption_disabled+0x48/0x280
[  847.520526]  irq_exit+0x17f/0x1c0
[  847.523992]  smp_apic_timer_interrupt+0x1cb/0x760
[  847.528845]  ? smp_reschedule_interrupt+0x109/0x650
[  847.533877]  ? smp_call_function_single_interrupt+0x640/0x640
[  847.539810]  ? interrupt_entry+0xb5/0xc0
[  847.543963]  ? trace_hardirqs_off_caller+0xbb/0x300
[  847.548990]  ? trace_hardirqs_off_caller+0xbb/0x300
[  847.554051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.558938]  ? trace_hardirqs_on_caller+0x310/0x310
[  847.563966]  ? trace_hardirqs_on_caller+0x310/0x310
[  847.569034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  847.573917]  apic_timer_interrupt+0xf/0x20
[  847.578167]  </IRQ>
[  847.580420] RIP: 0010:dump_stack+0x358/0x39d
[  847.584834] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  847.603758] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  847.611492] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  847.618787] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  847.626075] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  847.633366] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  847.640661] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  847.647978]  ? dump_stack+0x34f/0x39d
[  847.651827]  ? dump_stack_print_info.cold.1+0x20/0x20
[  847.657065]  ? mark_held_locks+0x130/0x130
[  847.661344]  ? mark_held_locks+0x130/0x130
[  847.665608]  dump_header+0x27b/0xf72
[  847.669359]  ? pagefault_out_of_memory+0x197/0x197
[  847.674307]  ? mark_held_locks+0x130/0x130
[  847.678566]  ? __lock_acquire+0x62f/0x4c20
[  847.682812]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  847.687586]  ? print_usage_bug+0xc0/0xc0
[  847.691665]  ? graph_lock+0x270/0x270
[  847.695473]  ? graph_lock+0x270/0x270
[  847.699283]  ? print_usage_bug+0xc0/0xc0
[  847.703346]  ? print_usage_bug+0xc0/0xc0
[  847.707432]  ? graph_lock+0x270/0x270
[  847.711260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.716812]  ? find_held_lock+0x36/0x1c0
[  847.720887]  ? mark_held_locks+0xc7/0x130
[  847.725062]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  847.730173]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  847.735913]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  847.740507]  ? trace_hardirqs_on+0xbd/0x310
[  847.744841]  ? kasan_check_read+0x11/0x20
[  847.749003]  ? ___ratelimit+0x3b4/0x672
[  847.752989]  ? trace_hardirqs_off_caller+0x300/0x300
[  847.758118]  ? trace_hardirqs_on+0x310/0x310
[  847.762536]  ? lock_downgrade+0x900/0x900
[  847.766722]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  847.771836]  ? ___ratelimit+0x3b9/0x672
[  847.775822]  ? idr_get_free+0xf70/0xf70
[  847.779801]  ? kasan_check_read+0x11/0x20
[  847.783990]  ? do_raw_spin_unlock+0xa7/0x330
[  847.788425]  oom_kill_process.cold.27+0x10/0x903
[  847.793233]  ? graph_lock+0x270/0x270
[  847.797044]  ? _raw_spin_unlock+0x2c/0x50
[  847.801209]  ? oom_badness+0xe6/0xaa0
[  847.805043]  ? oom_evaluate_task+0x540/0x540
[  847.809467]  ? find_held_lock+0x36/0x1c0
[  847.813575]  ? out_of_memory+0x96f/0x1430
[  847.817736]  ? lock_downgrade+0x900/0x900
[  847.821900]  ? check_preemption_disabled+0x48/0x280
[  847.826933]  ? kasan_check_read+0x11/0x20
[  847.831088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  847.836374]  ? rcu_read_unlock_special+0x370/0x370
[  847.841339]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  847.846370]  ? oom_evaluate_task+0x302/0x540
[  847.850791]  out_of_memory+0xa7f/0x1430
[  847.854781]  ? oom_killer_disable+0x3a0/0x3a0
[  847.859313]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  847.864288]  ? __ww_mutex_check_waiters+0x160/0x160
[  847.869360]  __alloc_pages_slowpath+0x236a/0x2e30
[  847.874255]  ? warn_alloc+0x120/0x120
[  847.878066]  ? mark_held_locks+0x130/0x130
[  847.882322]  ? find_get_entry+0xaae/0x1120
[  847.886581]  ? filemap_map_pages+0x1a20/0x1a20
[  847.891202]  ? graph_lock+0x270/0x270
[  847.895018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  847.900579]  ? check_preemption_disabled+0x48/0x280
[  847.905612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  847.911190]  ? should_fail+0x22d/0xd01
[  847.915101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  847.920227]  ? graph_lock+0x270/0x270
[  847.924063]  ? __lock_is_held+0xb5/0x140
[  847.928140]  ? mark_held_locks+0x130/0x130
[  847.932384]  ? lock_release+0xa10/0xa10
[  847.936365]  ? perf_trace_sched_process_exec+0x860/0x860
[  847.941827]  ? xa_load+0x2ba/0x460
[  847.945391]  ? lock_downgrade+0x900/0x900
[  847.949577]  ? __might_sleep+0x95/0x190
[  847.953584]  __alloc_pages_nodemask+0xa7b/0xdd0
[  847.958303]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  847.963329]  ? __page_cache_alloc+0x177/0x570
[  847.967835]  ? xa_load+0x2e1/0x460
[  847.971403]  ? xa_clear_mark+0x40/0x40
[  847.975301]  ? graph_lock+0x270/0x270
[  847.979121]  ? graph_lock+0x270/0x270
[  847.982930]  ? graph_lock+0x270/0x270
[  847.986739]  ? __do_page_cache_readahead+0x663/0x810
[  847.991858]  ? find_held_lock+0x36/0x1c0
[  847.995939]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  848.001495]  alloc_pages_current+0x173/0x350
[  848.005925]  __page_cache_alloc+0x3ce/0x570
[  848.010280]  ? kasan_check_read+0x11/0x20
[  848.014436]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  848.019736]  ? generic_perform_write+0x6a0/0x6a0
[  848.024509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.030065]  ? check_preemption_disabled+0x48/0x280
[  848.035104]  filemap_fault+0x1595/0x25f0
[  848.039214]  ? __lock_page_or_retry+0xa00/0xa00
[  848.043899]  ? mark_held_locks+0x130/0x130
[  848.048159]  ? filemap_map_pages+0xd6b/0x1a20
[  848.052675]  ? lock_downgrade+0x900/0x900
[  848.056837]  ? check_preemption_disabled+0x48/0x280
[  848.061867]  ? kasan_check_read+0x11/0x20
[  848.066203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  848.071499]  ? rcu_read_unlock_special+0x370/0x370
[  848.076925]  ? filemap_map_pages+0xd92/0x1a20
[  848.081459]  ? find_get_entries_tag+0x1400/0x1400
[  848.086319]  ? debug_object_destroy+0x2b0/0x2b0
[  848.091002]  ? lock_pi_update_atomic+0x150/0x150
[  848.095771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.101338]  ? lock_acquire+0x1ed/0x520
[  848.105327]  ? ext4_filemap_fault+0x7a/0xad
[  848.109672]  ? lock_release+0xa10/0xa10
[  848.113671]  ? perf_trace_sched_process_exec+0x860/0x860
[  848.119142]  ? print_usage_bug+0xc0/0xc0
[  848.123226]  ? print_usage_bug+0xc0/0xc0
[  848.127311]  ? down_read+0x8d/0x120
[  848.130971]  ? ext4_filemap_fault+0x7a/0xad
[  848.135320]  ? __down_interruptible+0x700/0x700
[  848.140034]  ext4_filemap_fault+0x82/0xad
[  848.144206]  __do_fault+0x100/0x6b0
[  848.147842]  ? do_futex+0x1df/0x26d0
[  848.151583]  ? pmd_devmap_trans_unstable+0x220/0x220
[  848.156699]  ? mark_held_locks+0x130/0x130
[  848.160971]  ? mark_held_locks+0x130/0x130
[  848.165234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.170796]  __handle_mm_fault+0x3ea0/0x5be0
[  848.175237]  ? perf_trace_lock+0x7a0/0x7a0
[  848.179495]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  848.184370]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  848.188993]  ? graph_lock+0x270/0x270
[  848.192804]  ? graph_lock+0x270/0x270
[  848.196616]  ? __x64_sys_futex+0x53e/0x6a0
[  848.200865]  ? find_held_lock+0x36/0x1c0
[  848.204943]  ? handle_mm_fault+0x42a/0xc70
[  848.209188]  ? lock_downgrade+0x900/0x900
[  848.213383]  ? check_preemption_disabled+0x48/0x280
[  848.218432]  ? kasan_check_read+0x11/0x20
[  848.222604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  848.227893]  ? rcu_read_unlock_special+0x370/0x370
[  848.232858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.238413]  ? check_preemption_disabled+0x48/0x280
[  848.243480]  handle_mm_fault+0x54f/0xc70
[  848.247564]  ? __handle_mm_fault+0x5be0/0x5be0
[  848.252159]  ? find_vma+0x34/0x190
[  848.255726]  __do_page_fault+0x5d6/0xe40
[  848.259799]  ? trace_hardirqs_off+0xb8/0x310
[  848.264241]  do_page_fault+0xed/0x7d1
[  848.268056]  ? vmalloc_sync_all+0x30/0x30
[  848.272219]  ? error_entry+0x70/0xd0
[  848.275947]  ? trace_hardirqs_off_caller+0xbb/0x300
[  848.280995]  ? trace_hardirqs_on_caller+0xc0/0x310
[  848.285966]  ? syscall_return_slowpath+0x5e0/0x5e0
[  848.290962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  848.295850]  ? trace_hardirqs_on_caller+0x310/0x310
[  848.300878]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  848.306363]  ? prepare_exit_to_usermode+0x291/0x3b0
[  848.311396]  ? page_fault+0x8/0x30
[  848.314956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  848.319815]  ? page_fault+0x8/0x30
[  848.323367]  page_fault+0x1e/0x30
[  848.326825] RIP: 0033:0x45ddf3
[  848.330039] Code: Bad RIP value.
[  848.333402] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  848.338771] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  848.346047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  848.353327] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  848.360613] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  848.367896] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  848.375216] warn_alloc_show_mem: 1 callbacks suppressed
[  848.375229] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  848.375231] Mem-Info:
[  848.375264] active_anon:129018 inactive_anon:195 isolated_anon:0
[  848.375264]  active_file:12 inactive_file:15 isolated_file:0
[  848.375264]  unevictable:1 dirty:0 writeback:0 unstable:0
[  848.375264]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  848.375264]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  848.375264]  free:13741 free_pcp:161 free_cma:0
[  848.380624] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  848.388690] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  848.391094] Call Trace:
[  848.424170] 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
[  848.433562]  dump_stack+0x244/0x39d
[  848.461135] lowmem_reserve[]: 0 2818 6321 6321
[  848.463799]  ? dump_stack_print_info.cold.1+0x20/0x20
[  848.489905] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  848.493556]  warn_alloc.cold.116+0xb7/0x1bd
[  848.498105] lowmem_reserve[]: 0 0 3503 3503
[  848.503304]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  848.530711] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  848.535047]  ? lock_downgrade+0x900/0x900
[  848.539325] lowmem_reserve[]: 0 0 0 0
[  848.544191]  ? trace_hardirqs_off+0xb8/0x310
[  848.573085] 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
[  848.577256]  ? trace_hardirqs_off+0xb8/0x310
[  848.581023] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  848.585451]  __alloc_pages_slowpath+0x26fe/0x2e30
[  848.598974] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  848.603417]  ? warn_alloc+0x120/0x120
[  848.617774] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  848.622633]  ? warn_alloc+0x120/0x120
[  848.637886] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  848.641716]  ? warn_alloc+0x120/0x120
[  848.650524] 296 total pagecache pages
[  848.654340]  ? print_usage_bug+0xc0/0xc0
[  848.662893] 0 pages in swap cache
[  848.666706]  ? print_usage_bug+0xc0/0xc0
[  848.670477] Swap cache stats: add 0, delete 0, find 0/0
[  848.674533]  ? mark_held_locks+0x130/0x130
[  848.677961] Free swap  = 0kB
[  848.682021]  ? mark_held_locks+0x130/0x130
[  848.687357] Total swap = 0kB
[  848.691615]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  848.694604] 1965979 pages RAM
[  848.698834]  ? should_fail+0x22d/0xd01
[  848.701827] 0 pages HighMem/MovableOnly
[  848.707363]  ? graph_lock+0x270/0x270
[  848.707384]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  848.710464] 342854 pages reserved
[  848.714354]  ? __lock_acquire+0x62f/0x4c20
[  848.718308] 0 pages cma reserved
[  848.722111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  848.727284] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  848.730642]  ? __lock_acquire+0x62f/0x4c20
[  848.730655]  ? should_fail+0x22d/0xd01
[  848.730681]  ? mark_held_locks+0x130/0x130
[  848.735001] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  848.738270]  ? mark_held_locks+0x130/0x130
[  848.743353] syz-fuzzer cpuset=/ mems_allowed=0
[  848.749856]  ? lock_downgrade+0x900/0x900
[  848.785326]  ? graph_lock+0x270/0x270
[  848.789130]  ? graph_lock+0x270/0x270
[  848.792934]  ? graph_lock+0x270/0x270
[  848.796735]  ? do_raw_spin_unlock+0xa7/0x330
[  848.801149]  ? trace_hardirqs_on+0x310/0x310
[  848.805575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.811122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.816663]  ? check_preemption_disabled+0x48/0x280
[  848.821716]  ? __lock_is_held+0xb5/0x140
[  848.825794]  __alloc_pages_nodemask+0xa7b/0xdd0
[  848.830475]  ? graph_lock+0x270/0x270
[  848.834301]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  848.839334]  ? find_held_lock+0x36/0x1c0
[  848.843427]  ? ____cache_alloc_node+0x1c7/0x1e0
[  848.848120]  ? lock_downgrade+0x900/0x900
[  848.852286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.857836]  cache_grow_begin+0xa5/0x8c0
[  848.861902]  ? do_raw_spin_unlock+0xa7/0x330
[  848.866328]  fallback_alloc+0x204/0x2e0
[  848.870314]  ____cache_alloc_node+0x1c7/0x1e0
[  848.874825]  kmem_cache_alloc_node+0xe3/0x730
[  848.879336]  ? lockdep_hardirqs_on+0x296/0x5b0
[  848.883934]  __alloc_skb+0x114/0x770
[  848.887645]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  848.893033]  ? netdev_alloc_frag+0x1f0/0x1f0
[  848.897470]  ? vprintk_default+0x28/0x30
[  848.901535]  ? vprintk_func+0x85/0x181
[  848.905425]  ? printk+0xa7/0xcf
[  848.908711]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  848.913488]  ? do_raw_spin_trylock+0x270/0x270
[  848.918084]  new_skb+0x26/0x1c0
[  848.921363]  aoecmd_cfg+0x279/0x7f0
[  848.925024]  ? find_held_lock+0x36/0x1c0
[  848.929090]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  848.933442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  848.939006]  ? __lock_is_held+0xb5/0x140
[  848.943614]  discover_timer+0x50/0x60
[  848.947446]  call_timer_fn+0x26d/0x920
[  848.951339]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  848.956217]  ? process_timeout+0x40/0x40
[  848.960306]  ? __run_timers+0x7d5/0xc60
[  848.964295]  ? _raw_spin_unlock_irq+0x27/0x80
[  848.968794]  ? _raw_spin_unlock_irq+0x27/0x80
[  848.973325]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  848.978209]  ? lockdep_hardirqs_on+0x296/0x5b0
[  848.982801]  ? trace_hardirqs_on+0xbd/0x310
[  848.987148]  ? kasan_check_read+0x11/0x20
[  848.991302]  ? __run_timers+0x7d5/0xc60
[  848.995283]  ? trace_hardirqs_off_caller+0x300/0x300
[  849.000403]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  849.005255]  __run_timers+0x7e0/0xc60
[  849.009069]  ? timer_fixup_init+0x70/0x70
[  849.013234]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.017734]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.022256]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  849.026847]  ? trace_hardirqs_on+0xbd/0x310
[  849.031171]  ? kasan_check_read+0x11/0x20
[  849.035342]  ? finish_task_switch+0x1f4/0x920
[  849.039848]  ? trace_hardirqs_off_caller+0x300/0x300
[  849.044969]  ? compat_start_thread+0x80/0x80
[  849.049408]  ? pvclock_read_flags+0x160/0x160
[  849.053913]  ? __switch_to_asm+0x34/0x70
[  849.057984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.063559]  ? check_preemption_disabled+0x48/0x280
[  849.068599]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  849.074511]  ? rcu_pm_notify+0xc0/0xc0
[  849.078410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.083962]  ? check_preemption_disabled+0x48/0x280
[  849.088990]  run_timer_softirq+0x52/0xb0
[  849.093073]  ? rcu_read_lock_sched_held+0x14f/0x180
[  849.098100]  __do_softirq+0x308/0xb7e
[  849.101924]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  849.106692]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  849.111857]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  849.116672]  ? trace_hardirqs_off+0xb8/0x310
[  849.121120]  ? smpboot_thread_fn+0x68b/0xa00
[  849.125538]  ? trace_hardirqs_on+0x310/0x310
[  849.129954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.135501]  ? check_preemption_disabled+0x48/0x280
[  849.140528]  ? takeover_tasklets+0xa90/0xa90
[  849.144948]  run_ksoftirqd+0x5e/0x100
[  849.148760]  smpboot_thread_fn+0x68b/0xa00
[  849.153003]  ? sort_range+0x30/0x30
[  849.156644]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  849.161761]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.167309]  ? __kthread_parkme+0xfb/0x1a0
[  849.171556]  ? sort_range+0x30/0x30
[  849.175210]  kthread+0x35a/0x440
[  849.178584]  ? kthread_stop+0x8f0/0x8f0
[  849.182572]  ret_from_fork+0x3a/0x50
[  849.186314] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  849.186428] aoe: skb alloc failure
[  849.194555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  849.194561] Call Trace:
[  849.194568]  <IRQ>
[  849.194594]  dump_stack+0x244/0x39d
[  849.194619]  ? dump_stack_print_info.cold.1+0x20/0x20
[  849.198185] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  849.207521]  warn_alloc.cold.116+0xb7/0x1bd
[  849.210078] ksoftirqd/0 cpuset=/ mems_allowed=0
[  849.212237]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  849.245182]  ? lock_downgrade+0x900/0x900
[  849.249393]  ? trace_hardirqs_off+0xb8/0x310
[  849.253851]  ? trace_hardirqs_off+0xb8/0x310
[  849.258283]  __alloc_pages_slowpath+0x26fe/0x2e30
[  849.263185]  ? warn_alloc+0x120/0x120
[  849.267015]  ? print_usage_bug+0xc0/0xc0
[  849.271089]  ? warn_alloc+0x120/0x120
[  849.274901]  ? warn_alloc+0x120/0x120
[  849.278734]  ? print_usage_bug+0xc0/0xc0
[  849.282854]  ? print_usage_bug+0xc0/0xc0
[  849.286925]  ? __lock_acquire+0x62f/0x4c20
[  849.291187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.296752]  ? should_fail+0x22d/0xd01
[  849.300662]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  849.305781]  ? __lock_acquire+0x62f/0x4c20
[  849.310032]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  849.315145]  ? __lock_acquire+0x62f/0x4c20
[  849.319391]  ? should_fail+0x22d/0xd01
[  849.323316]  ? find_held_lock+0x36/0x1c0
[  849.327401]  ? mark_held_locks+0x130/0x130
[  849.331648]  ? mark_held_locks+0x130/0x130
[  849.335893]  ? try_to_wake_up+0x11c/0x1490
[  849.340140]  ? lock_downgrade+0x900/0x900
[  849.344299]  ? graph_lock+0x270/0x270
[  849.348107]  ? print_usage_bug+0xc0/0xc0
[  849.352201]  ? trace_hardirqs_off+0xb8/0x310
[  849.356623]  ? kasan_check_read+0x11/0x20
[  849.360781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.366339]  ? check_preemption_disabled+0x48/0x280
[  849.371379]  ? __lock_is_held+0xb5/0x140
[  849.375460]  __alloc_pages_nodemask+0xa7b/0xdd0
[  849.380140]  ? graph_lock+0x270/0x270
[  849.383955]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  849.388994]  ? find_held_lock+0x36/0x1c0
[  849.393072]  ? ____cache_alloc_node+0x1c7/0x1e0
[  849.397752]  ? lock_downgrade+0x900/0x900
[  849.401918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.407480]  cache_grow_begin+0xa5/0x8c0
[  849.411551]  ? do_raw_spin_unlock+0xa7/0x330
[  849.416011]  fallback_alloc+0x204/0x2e0
[  849.420013]  ____cache_alloc_node+0x1c7/0x1e0
[  849.424527]  kmem_cache_alloc_node+0xe3/0x730
[  849.429053]  ? ipv6_get_ifaddr+0x42e/0x620
[  849.433307]  __alloc_skb+0x114/0x770
[  849.437045]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.442351]  ? netdev_alloc_frag+0x1f0/0x1f0
[  849.446773]  ? lock_downgrade+0x900/0x900
[  849.450939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.456502]  ? refcount_sub_and_test_checked+0x203/0x310
[  849.461970]  ? refcount_dec_if_one+0x180/0x180
[  849.466565]  ? addrconf_rs_timer+0x690/0x690
[  849.471025]  ndisc_alloc_skb+0x144/0x340
[  849.475099]  ndisc_send_rs+0x331/0x6e0
[  849.479001]  addrconf_rs_timer+0x314/0x690
[  849.483252]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  849.487507]  call_timer_fn+0x26d/0x920
[  849.491430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  849.495677]  ? process_timeout+0x40/0x40
[  849.499761]  ? mark_held_locks+0xc7/0x130
[  849.503918]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.508418]  ? _raw_spin_unlock_irq+0x27/0x80
[  849.512921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  849.517171]  ? lockdep_hardirqs_on+0x296/0x5b0
[  849.521806]  ? trace_hardirqs_on+0xbd/0x310
[  849.526135]  ? kasan_check_read+0x11/0x20
[  849.530294]  ? __run_timers+0x7d5/0xc60
[  849.534276]  ? trace_hardirqs_off_caller+0x300/0x300
[  849.539412]  ? __queue_work+0x1440/0x1440
[  849.543582]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  849.547830]  __run_timers+0x7e0/0xc60
[  849.551655]  ? timer_fixup_init+0x70/0x70
[  849.555840]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  849.560867]  ? graph_lock+0x270/0x270
[  849.564679]  ? print_usage_bug+0xc0/0xc0
[  849.568758]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  849.573970]  ? find_held_lock+0x36/0x1c0
[  849.578046]  ? graph_lock+0x270/0x270
[  849.581860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.587422]  ? check_preemption_disabled+0x48/0x280
[  849.592473]  ? __lock_is_held+0xb5/0x140
[  849.596546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.602096]  ? check_preemption_disabled+0x48/0x280
[  849.607142]  run_timer_softirq+0x52/0xb0
[  849.611223]  ? rcu_read_lock_sched_held+0x14f/0x180
[  849.616253]  __do_softirq+0x308/0xb7e
[  849.620072]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  849.624591]  ? lock_downgrade+0x900/0x900
[  849.628752]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  849.633879]  ? pvclock_read_flags+0x160/0x160
[  849.638393]  ? lapic_next_event+0x5a/0x90
[  849.642563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.648154]  ? kvm_clock_read+0x18/0x30
[  849.652140]  ? kvm_sched_clock_read+0x9/0x20
[  849.656574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  849.662126]  ? check_preemption_disabled+0x48/0x280
[  849.667161]  irq_exit+0x17f/0x1c0
[  849.670660]  smp_apic_timer_interrupt+0x1cb/0x760
[  849.675511]  ? smp_reschedule_interrupt+0x109/0x650
[  849.680540]  ? smp_call_function_single_interrupt+0x640/0x640
[  849.686446]  ? interrupt_entry+0xb5/0xc0
[  849.690540]  ? trace_hardirqs_off_caller+0xbb/0x300
[  849.695570]  ? trace_hardirqs_off_caller+0xbb/0x300
[  849.700602]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  849.705460]  ? trace_hardirqs_on_caller+0x310/0x310
[  849.710505]  ? trace_hardirqs_on_caller+0x310/0x310
[  849.715552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  849.720418]  apic_timer_interrupt+0xf/0x20
[  849.724660]  </IRQ>
[  849.726904] RIP: 0010:dump_stack+0x358/0x39d
[  849.731335] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  849.750255] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  849.757987] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  849.765307] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  849.772595] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  849.779884] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  849.787175] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  849.794502]  ? dump_stack+0x34f/0x39d
[  849.798337]  ? dump_stack_print_info.cold.1+0x20/0x20
[  849.803568]  ? mark_held_locks+0x130/0x130
[  849.807834]  ? mark_held_locks+0x130/0x130
[  849.812082]  dump_header+0x27b/0xf72
[  849.815821]  ? pagefault_out_of_memory+0x197/0x197
[  849.820782]  ? mark_held_locks+0x130/0x130
[  849.825034]  ? __lock_acquire+0x62f/0x4c20
[  849.829274]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  849.834101]  ? print_usage_bug+0xc0/0xc0
[  849.838182]  ? graph_lock+0x270/0x270
[  849.841997]  ? graph_lock+0x270/0x270
[  849.845804]  ? print_usage_bug+0xc0/0xc0
[  849.849868]  ? print_usage_bug+0xc0/0xc0
[  849.853936]  ? graph_lock+0x270/0x270
[  849.857780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  849.863346]  ? find_held_lock+0x36/0x1c0
[  849.867432]  ? mark_held_locks+0xc7/0x130
[  849.871596]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  849.876722]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  849.881858]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  849.886457]  ? trace_hardirqs_on+0xbd/0x310
[  849.890805]  ? kasan_check_read+0x11/0x20
[  849.894960]  ? ___ratelimit+0x3b4/0x672
[  849.898943]  ? trace_hardirqs_off_caller+0x300/0x300
[  849.904057]  ? trace_hardirqs_on+0x310/0x310
[  849.908476]  ? lock_downgrade+0x900/0x900
[  849.912649]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  849.917767]  ? ___ratelimit+0x3b9/0x672
[  849.921749]  ? idr_get_free+0xf70/0xf70
[  849.925738]  ? kasan_check_read+0x11/0x20
[  849.929898]  ? do_raw_spin_unlock+0xa7/0x330
[  849.934359]  oom_kill_process.cold.27+0x10/0x903
[  849.939162]  ? graph_lock+0x270/0x270
[  849.942976]  ? _raw_spin_unlock+0x2c/0x50
[  849.947133]  ? oom_badness+0xe6/0xaa0
[  849.950947]  ? oom_evaluate_task+0x540/0x540
[  849.955368]  ? find_held_lock+0x36/0x1c0
[  849.959447]  ? out_of_memory+0x96f/0x1430
[  849.963608]  ? lock_downgrade+0x900/0x900
[  849.967763]  ? check_preemption_disabled+0x48/0x280
[  849.972796]  ? kasan_check_read+0x11/0x20
[  849.976953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  849.982258]  ? rcu_read_unlock_special+0x370/0x370
[  849.987217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  849.992273]  ? oom_evaluate_task+0x302/0x540
[  849.996701]  out_of_memory+0xa7f/0x1430
[  850.000702]  ? oom_killer_disable+0x3a0/0x3a0
[  850.005238]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  850.010189]  ? __ww_mutex_check_waiters+0x160/0x160
[  850.015246]  __alloc_pages_slowpath+0x236a/0x2e30
[  850.020155]  ? warn_alloc+0x120/0x120
[  850.024133]  ? mark_held_locks+0x130/0x130
[  850.028381]  ? find_get_entry+0xaae/0x1120
[  850.032630]  ? filemap_map_pages+0x1a20/0x1a20
[  850.037240]  ? graph_lock+0x270/0x270
[  850.041054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.046592]  ? check_preemption_disabled+0x48/0x280
[  850.051611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.057150]  ? should_fail+0x22d/0xd01
[  850.061048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  850.066150]  ? graph_lock+0x270/0x270
[  850.069974]  ? __lock_is_held+0xb5/0x140
[  850.074043]  ? mark_held_locks+0x130/0x130
[  850.078314]  ? lock_release+0xa10/0xa10
[  850.082306]  ? perf_trace_sched_process_exec+0x860/0x860
[  850.087760]  ? xa_load+0x2ba/0x460
[  850.091305]  ? lock_downgrade+0x900/0x900
[  850.095458]  ? __might_sleep+0x95/0x190
[  850.099440]  __alloc_pages_nodemask+0xa7b/0xdd0
[  850.104116]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  850.109139]  ? __page_cache_alloc+0x177/0x570
[  850.113628]  ? xa_load+0x2e1/0x460
[  850.117171]  ? xa_clear_mark+0x40/0x40
[  850.121068]  ? graph_lock+0x270/0x270
[  850.124874]  ? graph_lock+0x270/0x270
[  850.128672]  ? graph_lock+0x270/0x270
[  850.132490]  ? __do_page_cache_readahead+0x663/0x810
[  850.137602]  ? find_held_lock+0x36/0x1c0
[  850.141666]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  850.147216]  alloc_pages_current+0x173/0x350
[  850.151635]  __page_cache_alloc+0x3ce/0x570
[  850.155955]  ? kasan_check_read+0x11/0x20
[  850.160099]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.165375]  ? generic_perform_write+0x6a0/0x6a0
[  850.170134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.175672]  ? check_preemption_disabled+0x48/0x280
[  850.180721]  filemap_fault+0x1595/0x25f0
[  850.184795]  ? __lock_page_or_retry+0xa00/0xa00
[  850.189464]  ? mark_held_locks+0x130/0x130
[  850.193716]  ? filemap_map_pages+0xd6b/0x1a20
[  850.198223]  ? lock_downgrade+0x900/0x900
[  850.202373]  ? check_preemption_disabled+0x48/0x280
[  850.207410]  ? kasan_check_read+0x11/0x20
[  850.211555]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.216831]  ? rcu_read_unlock_special+0x370/0x370
[  850.221773]  ? filemap_map_pages+0xd92/0x1a20
[  850.226285]  ? find_get_entries_tag+0x1400/0x1400
[  850.231131]  ? debug_object_destroy+0x2b0/0x2b0
[  850.235807]  ? lock_pi_update_atomic+0x150/0x150
[  850.240565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.246118]  ? lock_acquire+0x1ed/0x520
[  850.250089]  ? ext4_filemap_fault+0x7a/0xad
[  850.254418]  ? lock_release+0xa10/0xa10
[  850.258393]  ? perf_trace_sched_process_exec+0x860/0x860
[  850.263845]  ? print_usage_bug+0xc0/0xc0
[  850.267909]  ? print_usage_bug+0xc0/0xc0
[  850.271996]  ? down_read+0x8d/0x120
[  850.275620]  ? ext4_filemap_fault+0x7a/0xad
[  850.279940]  ? __down_interruptible+0x700/0x700
[  850.284618]  ext4_filemap_fault+0x82/0xad
[  850.288767]  __do_fault+0x100/0x6b0
[  850.292393]  ? do_futex+0x1df/0x26d0
[  850.296111]  ? pmd_devmap_trans_unstable+0x220/0x220
[  850.301228]  ? mark_held_locks+0x130/0x130
[  850.305469]  ? mark_held_locks+0x130/0x130
[  850.309726]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.315275]  __handle_mm_fault+0x3ea0/0x5be0
[  850.319688]  ? perf_trace_lock+0x7a0/0x7a0
[  850.323956]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  850.328809]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  850.333407]  ? graph_lock+0x270/0x270
[  850.337218]  ? graph_lock+0x270/0x270
[  850.341017]  ? __x64_sys_futex+0x53e/0x6a0
[  850.345310]  ? find_held_lock+0x36/0x1c0
[  850.349384]  ? handle_mm_fault+0x42a/0xc70
[  850.353647]  ? lock_downgrade+0x900/0x900
[  850.357836]  ? check_preemption_disabled+0x48/0x280
[  850.362860]  ? kasan_check_read+0x11/0x20
[  850.367009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  850.372312]  ? rcu_read_unlock_special+0x370/0x370
[  850.377244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.382782]  ? check_preemption_disabled+0x48/0x280
[  850.387803]  handle_mm_fault+0x54f/0xc70
[  850.391864]  ? __handle_mm_fault+0x5be0/0x5be0
[  850.396450]  ? find_vma+0x34/0x190
[  850.399994]  __do_page_fault+0x5d6/0xe40
[  850.404057]  ? trace_hardirqs_off+0xb8/0x310
[  850.408475]  do_page_fault+0xed/0x7d1
[  850.412293]  ? vmalloc_sync_all+0x30/0x30
[  850.416440]  ? error_entry+0x70/0xd0
[  850.420153]  ? trace_hardirqs_off_caller+0xbb/0x300
[  850.425171]  ? trace_hardirqs_on_caller+0xc0/0x310
[  850.430108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  850.435040]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  850.439882]  ? trace_hardirqs_on_caller+0x310/0x310
[  850.444897]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  850.450351]  ? prepare_exit_to_usermode+0x291/0x3b0
[  850.455369]  ? page_fault+0x8/0x30
[  850.458911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  850.463759]  ? page_fault+0x8/0x30
[  850.467299]  page_fault+0x1e/0x30
[  850.470754] RIP: 0033:0x45ddf3
[  850.473961] Code: Bad RIP value.
[  850.477320] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  850.482679] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  850.489949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  850.497221] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  850.504487] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  850.511755] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  850.519048] warn_alloc_show_mem: 1 callbacks suppressed
[  850.519061] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  850.519063] Mem-Info:
[  850.519096] active_anon:129018 inactive_anon:195 isolated_anon:0
[  850.519096]  active_file:12 inactive_file:15 isolated_file:0
[  850.519096]  unevictable:1 dirty:0 writeback:0 unstable:0
[  850.519096]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  850.519096]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  850.519096]  free:13741 free_pcp:161 free_cma:0
[  850.524436] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  850.532495] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  850.534895] Call Trace:
[  850.567942] 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
[  850.577311]  dump_stack+0x244/0x39d
[  850.604857] lowmem_reserve[]: 0 2818 6321 6321
[  850.607550]  ? dump_stack_print_info.cold.1+0x20/0x20
[  850.633640] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  850.637282]  warn_alloc.cold.116+0xb7/0x1bd
[  850.641821] lowmem_reserve[]: 0 0 3503 3503
[  850.647016]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  850.674403] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  850.678747]  ? lock_downgrade+0x900/0x900
[  850.683032] lowmem_reserve[]: 0 0 0 0
[  850.687877]  ? trace_hardirqs_off+0xb8/0x310
[  850.716741] 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
[  850.720892]  ? trace_hardirqs_off+0xb8/0x310
[  850.724659] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  850.729067]  __alloc_pages_slowpath+0x26fe/0x2e30
[  850.742558] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  850.746989]  ? warn_alloc+0x120/0x120
[  850.761337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  850.766167]  ? warn_alloc+0x120/0x120
[  850.781404] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  850.785215]  ? warn_alloc+0x120/0x120
[  850.794011] 296 total pagecache pages
[  850.797810]  ? print_usage_bug+0xc0/0xc0
[  850.806364] 0 pages in swap cache
[  850.810150]  ? print_usage_bug+0xc0/0xc0
[  850.813927] Swap cache stats: add 0, delete 0, find 0/0
[  850.817994]  ? mark_held_locks+0x130/0x130
[  850.821419] Free swap  = 0kB
[  850.825478]  ? mark_held_locks+0x130/0x130
[  850.830844] Total swap = 0kB
[  850.835108]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  850.838099] 1965979 pages RAM
[  850.842329]  ? should_fail+0x22d/0xd01
[  850.845331] 0 pages HighMem/MovableOnly
[  850.850869]  ? graph_lock+0x270/0x270
[  850.853949] 342854 pages reserved
[  850.857839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  850.861787] 0 pages cma reserved
[  850.865595]  ? __lock_acquire+0x62f/0x4c20
[  850.869093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  850.874125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  850.877544] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  850.881698]  ? __lock_acquire+0x62f/0x4c20
[  850.888166] syz-fuzzer cpuset=/ mems_allowed=0
[  850.893286]  ? should_fail+0x22d/0xd01
[  850.916273]  ? mark_held_locks+0x130/0x130
[  850.920520]  ? mark_held_locks+0x130/0x130
[  850.924758]  ? lock_downgrade+0x900/0x900
[  850.928908]  ? graph_lock+0x270/0x270
[  850.932704]  ? graph_lock+0x270/0x270
[  850.936509]  ? graph_lock+0x270/0x270
[  850.940308]  ? do_raw_spin_unlock+0xa7/0x330
[  850.945247]  ? trace_hardirqs_on+0x310/0x310
[  850.949659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.955201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  850.960742]  ? check_preemption_disabled+0x48/0x280
[  850.965785]  ? __lock_is_held+0xb5/0x140
[  850.969853]  __alloc_pages_nodemask+0xa7b/0xdd0
[  850.974524]  ? graph_lock+0x270/0x270
[  850.978351]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  850.983412]  ? find_held_lock+0x36/0x1c0
[  850.987483]  ? ____cache_alloc_node+0x1c7/0x1e0
[  850.992171]  ? lock_downgrade+0x900/0x900
[  850.996343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.001916]  cache_grow_begin+0xa5/0x8c0
[  851.005988]  ? do_raw_spin_unlock+0xa7/0x330
[  851.010418]  fallback_alloc+0x204/0x2e0
[  851.014408]  ____cache_alloc_node+0x1c7/0x1e0
[  851.018924]  kmem_cache_alloc_node+0xe3/0x730
[  851.023432]  ? lockdep_hardirqs_on+0x296/0x5b0
[  851.028036]  __alloc_skb+0x114/0x770
[  851.031775]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  851.037175]  ? netdev_alloc_frag+0x1f0/0x1f0
[  851.041627]  ? vprintk_default+0x28/0x30
[  851.045730]  ? vprintk_func+0x85/0x181
[  851.049644]  ? printk+0xa7/0xcf
[  851.052940]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  851.057703]  ? do_raw_spin_trylock+0x270/0x270
[  851.062294]  new_skb+0x26/0x1c0
[  851.065609]  aoecmd_cfg+0x279/0x7f0
[  851.069266]  ? find_held_lock+0x36/0x1c0
[  851.073565]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  851.077893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.083454]  ? __lock_is_held+0xb5/0x140
[  851.087537]  discover_timer+0x50/0x60
[  851.091344]  call_timer_fn+0x26d/0x920
[  851.095244]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.100096]  ? process_timeout+0x40/0x40
[  851.104173]  ? __run_timers+0x7d5/0xc60
[  851.108184]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.112709]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.117240]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.122099]  ? lockdep_hardirqs_on+0x296/0x5b0
[  851.126708]  ? trace_hardirqs_on+0xbd/0x310
[  851.131044]  ? kasan_check_read+0x11/0x20
[  851.135216]  ? __run_timers+0x7d5/0xc60
[  851.139219]  ? trace_hardirqs_off_caller+0x300/0x300
[  851.144351]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  851.149220]  __run_timers+0x7e0/0xc60
[  851.153050]  ? timer_fixup_init+0x70/0x70
[  851.157231]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.161755]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.166274]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  851.170878]  ? trace_hardirqs_on+0xbd/0x310
[  851.175227]  ? kasan_check_read+0x11/0x20
[  851.179394]  ? finish_task_switch+0x1f4/0x920
[  851.183910]  ? trace_hardirqs_off_caller+0x300/0x300
[  851.189028]  ? compat_start_thread+0x80/0x80
[  851.193485]  ? pvclock_read_flags+0x160/0x160
[  851.197992]  ? __switch_to_asm+0x34/0x70
[  851.202066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.207634]  ? check_preemption_disabled+0x48/0x280
[  851.212673]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  851.218236]  ? rcu_pm_notify+0xc0/0xc0
[  851.222140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.227696]  ? check_preemption_disabled+0x48/0x280
[  851.232735]  run_timer_softirq+0x52/0xb0
[  851.236811]  ? rcu_read_lock_sched_held+0x14f/0x180
[  851.241841]  __do_softirq+0x308/0xb7e
[  851.245659]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  851.250429]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  851.255554]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  851.260340]  ? trace_hardirqs_off+0xb8/0x310
[  851.264763]  ? smpboot_thread_fn+0x68b/0xa00
[  851.269186]  ? trace_hardirqs_on+0x310/0x310
[  851.273621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.279172]  ? check_preemption_disabled+0x48/0x280
[  851.284224]  ? takeover_tasklets+0xa90/0xa90
[  851.288646]  run_ksoftirqd+0x5e/0x100
[  851.292457]  smpboot_thread_fn+0x68b/0xa00
[  851.296704]  ? sort_range+0x30/0x30
[  851.300344]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  851.305458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.311012]  ? __kthread_parkme+0xfb/0x1a0
[  851.315262]  ? sort_range+0x30/0x30
[  851.318901]  kthread+0x35a/0x440
[  851.322280]  ? kthread_stop+0x8f0/0x8f0
[  851.326271]  ret_from_fork+0x3a/0x50
[  851.330019] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  851.330110] aoe: skb alloc failure
[  851.338272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  851.338285] Call Trace:
[  851.341968] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  851.351204]  <IRQ>
[  851.353794] ksoftirqd/0 cpuset=/ mems_allowed=0
[  851.364125]  dump_stack+0x244/0x39d
[  851.374582]  ? dump_stack_print_info.cold.1+0x20/0x20
[  851.379830]  warn_alloc.cold.116+0xb7/0x1bd
[  851.384191]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  851.389090]  ? lock_downgrade+0x900/0x900
[  851.393277]  ? trace_hardirqs_off+0xb8/0x310
[  851.397725]  ? trace_hardirqs_off+0xb8/0x310
[  851.402181]  __alloc_pages_slowpath+0x26fe/0x2e30
[  851.407104]  ? warn_alloc+0x120/0x120
[  851.410937]  ? print_usage_bug+0xc0/0xc0
[  851.415026]  ? warn_alloc+0x120/0x120
[  851.418855]  ? warn_alloc+0x120/0x120
[  851.422683]  ? print_usage_bug+0xc0/0xc0
[  851.426778]  ? print_usage_bug+0xc0/0xc0
[  851.430859]  ? __lock_acquire+0x62f/0x4c20
[  851.435119]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.440681]  ? should_fail+0x22d/0xd01
[  851.444601]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  851.449734]  ? __lock_acquire+0x62f/0x4c20
[  851.453999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  851.459124]  ? __lock_acquire+0x62f/0x4c20
[  851.463377]  ? should_fail+0x22d/0xd01
[  851.467289]  ? find_held_lock+0x36/0x1c0
[  851.471376]  ? mark_held_locks+0x130/0x130
[  851.475636]  ? mark_held_locks+0x130/0x130
[  851.479881]  ? graph_lock+0x270/0x270
[  851.483703]  ? graph_lock+0x270/0x270
[  851.487528]  ? print_usage_bug+0xc0/0xc0
[  851.491600]  ? do_raw_spin_unlock+0xa7/0x330
[  851.496045]  ? graph_lock+0x270/0x270
[  851.499873]  ? print_usage_bug+0xc0/0xc0
[  851.503948]  ? wq_watchdog_touch+0x9c/0xfe
[  851.508212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.513777]  ? check_preemption_disabled+0x48/0x280
[  851.518833]  ? __lock_is_held+0xb5/0x140
[  851.522926]  __alloc_pages_nodemask+0xa7b/0xdd0
[  851.527623]  ? graph_lock+0x270/0x270
[  851.531453]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  851.536507]  ? find_held_lock+0x36/0x1c0
[  851.540603]  ? ____cache_alloc_node+0x1c7/0x1e0
[  851.545298]  ? lock_downgrade+0x900/0x900
[  851.549476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.555045]  cache_grow_begin+0xa5/0x8c0
[  851.559132]  ? do_raw_spin_unlock+0xa7/0x330
[  851.563574]  fallback_alloc+0x204/0x2e0
[  851.567577]  ____cache_alloc_node+0x1c7/0x1e0
[  851.572102]  kmem_cache_alloc_node+0xe3/0x730
[  851.576635]  ? ipv6_get_ifaddr+0x42e/0x620
[  851.580903]  __alloc_skb+0x114/0x770
[  851.584730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  851.590036]  ? netdev_alloc_frag+0x1f0/0x1f0
[  851.594468]  ? lock_downgrade+0x900/0x900
[  851.598661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.604239]  ? refcount_sub_and_test_checked+0x203/0x310
[  851.609743]  ? refcount_dec_if_one+0x180/0x180
[  851.614350]  ? addrconf_rs_timer+0x690/0x690
[  851.618790]  ndisc_alloc_skb+0x144/0x340
[  851.622871]  ndisc_send_rs+0x331/0x6e0
[  851.626774]  addrconf_rs_timer+0x314/0x690
[  851.631030]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  851.635293]  call_timer_fn+0x26d/0x920
[  851.639205]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  851.643459]  ? process_timeout+0x40/0x40
[  851.647550]  ? mark_held_locks+0xc7/0x130
[  851.651721]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.656248]  ? _raw_spin_unlock_irq+0x27/0x80
[  851.660790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  851.665037]  ? lockdep_hardirqs_on+0x296/0x5b0
[  851.669630]  ? trace_hardirqs_on+0xbd/0x310
[  851.673956]  ? kasan_check_read+0x11/0x20
[  851.678110]  ? __run_timers+0x7d5/0xc60
[  851.682097]  ? trace_hardirqs_off_caller+0x300/0x300
[  851.687241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  851.691499]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  851.695746]  __run_timers+0x7e0/0xc60
[  851.699568]  ? timer_fixup_init+0x70/0x70
[  851.703736]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  851.708783]  ? graph_lock+0x270/0x270
[  851.712613]  ? print_usage_bug+0xc0/0xc0
[  851.716696]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  851.721916]  ? find_held_lock+0x36/0x1c0
[  851.726006]  ? graph_lock+0x270/0x270
[  851.729843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.735405]  ? check_preemption_disabled+0x48/0x280
[  851.740459]  ? __lock_is_held+0xb5/0x140
[  851.744549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.750133]  ? check_preemption_disabled+0x48/0x280
[  851.755180]  run_timer_softirq+0x52/0xb0
[  851.759276]  ? rcu_read_lock_sched_held+0x14f/0x180
[  851.764332]  __do_softirq+0x308/0xb7e
[  851.768162]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  851.772687]  ? lock_downgrade+0x900/0x900
[  851.776869]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  851.782008]  ? pvclock_read_flags+0x160/0x160
[  851.786525]  ? lapic_next_event+0x5a/0x90
[  851.790701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  851.796276]  ? kvm_clock_read+0x18/0x30
[  851.800287]  ? kvm_sched_clock_read+0x9/0x20
[  851.804749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  851.810332]  ? check_preemption_disabled+0x48/0x280
[  851.815385]  irq_exit+0x17f/0x1c0
[  851.818863]  smp_apic_timer_interrupt+0x1cb/0x760
[  851.823732]  ? smp_reschedule_interrupt+0x109/0x650
[  851.828805]  ? smp_call_function_single_interrupt+0x640/0x640
[  851.834727]  ? interrupt_entry+0xb5/0xc0
[  851.838828]  ? trace_hardirqs_off_caller+0xbb/0x300
[  851.843865]  ? trace_hardirqs_off_caller+0xbb/0x300
[  851.848911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  851.853786]  ? trace_hardirqs_on_caller+0x310/0x310
[  851.858839]  ? trace_hardirqs_on_caller+0x310/0x310
[  851.863911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  851.868789]  apic_timer_interrupt+0xf/0x20
[  851.873034]  </IRQ>
[  851.875290] RIP: 0010:dump_stack+0x358/0x39d
[  851.879722] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  851.898646] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  851.906380] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  851.913676] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  851.920973] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  851.928264] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  851.935556] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  851.942880]  ? dump_stack+0x34f/0x39d
[  851.946734]  ? dump_stack_print_info.cold.1+0x20/0x20
[  851.951962]  ? mark_held_locks+0x130/0x130
[  851.956242]  ? mark_held_locks+0x130/0x130
[  851.960516]  dump_header+0x27b/0xf72
[  851.964273]  ? pagefault_out_of_memory+0x197/0x197
[  851.969246]  ? mark_held_locks+0x130/0x130
[  851.973512]  ? __lock_acquire+0x62f/0x4c20
[  851.977770]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  851.982558]  ? print_usage_bug+0xc0/0xc0
[  851.986653]  ? graph_lock+0x270/0x270
[  851.990477]  ? graph_lock+0x270/0x270
[  851.994306]  ? print_usage_bug+0xc0/0xc0
[  851.998388]  ? print_usage_bug+0xc0/0xc0
[  852.002481]  ? graph_lock+0x270/0x270
[  852.006317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.011884]  ? find_held_lock+0x36/0x1c0
[  852.015974]  ? mark_held_locks+0xc7/0x130
[  852.020141]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  852.025265]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  852.030389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  852.034991]  ? trace_hardirqs_on+0xbd/0x310
[  852.039328]  ? kasan_check_read+0x11/0x20
[  852.043488]  ? ___ratelimit+0x3b4/0x672
[  852.047473]  ? trace_hardirqs_off_caller+0x300/0x300
[  852.052589]  ? trace_hardirqs_on+0x310/0x310
[  852.057012]  ? lock_downgrade+0x900/0x900
[  852.061177]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  852.066289]  ? ___ratelimit+0x3b9/0x672
[  852.070268]  ? idr_get_free+0xf70/0xf70
[  852.074244]  ? kasan_check_read+0x11/0x20
[  852.078395]  ? do_raw_spin_unlock+0xa7/0x330
[  852.082818]  oom_kill_process.cold.27+0x10/0x903
[  852.087663]  ? graph_lock+0x270/0x270
[  852.091468]  ? _raw_spin_unlock+0x2c/0x50
[  852.095623]  ? oom_badness+0xe6/0xaa0
[  852.099435]  ? oom_evaluate_task+0x540/0x540
[  852.103850]  ? find_held_lock+0x36/0x1c0
[  852.107925]  ? out_of_memory+0x96f/0x1430
[  852.112076]  ? lock_downgrade+0x900/0x900
[  852.116238]  ? check_preemption_disabled+0x48/0x280
[  852.121266]  ? kasan_check_read+0x11/0x20
[  852.125419]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.130704]  ? rcu_read_unlock_special+0x370/0x370
[  852.135648]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  852.140664]  ? oom_evaluate_task+0x302/0x540
[  852.145082]  out_of_memory+0xa7f/0x1430
[  852.149065]  ? oom_killer_disable+0x3a0/0x3a0
[  852.153567]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  852.158501]  ? __ww_mutex_check_waiters+0x160/0x160
[  852.163531]  __alloc_pages_slowpath+0x236a/0x2e30
[  852.168409]  ? warn_alloc+0x120/0x120
[  852.172219]  ? mark_held_locks+0x130/0x130
[  852.176461]  ? find_get_entry+0xaae/0x1120
[  852.180712]  ? filemap_map_pages+0x1a20/0x1a20
[  852.185305]  ? graph_lock+0x270/0x270
[  852.189114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.194651]  ? check_preemption_disabled+0x48/0x280
[  852.199669]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.205216]  ? should_fail+0x22d/0xd01
[  852.209111]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  852.214237]  ? graph_lock+0x270/0x270
[  852.218099]  ? __lock_is_held+0xb5/0x140
[  852.222181]  ? mark_held_locks+0x130/0x130
[  852.226448]  ? lock_release+0xa10/0xa10
[  852.230426]  ? perf_trace_sched_process_exec+0x860/0x860
[  852.235879]  ? xa_load+0x2ba/0x460
[  852.239434]  ? lock_downgrade+0x900/0x900
[  852.243592]  ? __might_sleep+0x95/0x190
[  852.247577]  __alloc_pages_nodemask+0xa7b/0xdd0
[  852.252257]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  852.257284]  ? __page_cache_alloc+0x177/0x570
[  852.261785]  ? xa_load+0x2e1/0x460
[  852.265327]  ? xa_clear_mark+0x40/0x40
[  852.269228]  ? graph_lock+0x270/0x270
[  852.273045]  ? graph_lock+0x270/0x270
[  852.276852]  ? graph_lock+0x270/0x270
[  852.280663]  ? __do_page_cache_readahead+0x663/0x810
[  852.285784]  ? find_held_lock+0x36/0x1c0
[  852.289860]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  852.295412]  alloc_pages_current+0x173/0x350
[  852.299830]  __page_cache_alloc+0x3ce/0x570
[  852.304170]  ? kasan_check_read+0x11/0x20
[  852.308331]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.313614]  ? generic_perform_write+0x6a0/0x6a0
[  852.318378]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.323918]  ? check_preemption_disabled+0x48/0x280
[  852.328950]  filemap_fault+0x1595/0x25f0
[  852.333028]  ? __lock_page_or_retry+0xa00/0xa00
[  852.337739]  ? mark_held_locks+0x130/0x130
[  852.341998]  ? filemap_map_pages+0xd6b/0x1a20
[  852.346500]  ? lock_downgrade+0x900/0x900
[  852.350654]  ? check_preemption_disabled+0x48/0x280
[  852.355700]  ? kasan_check_read+0x11/0x20
[  852.359857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.365140]  ? rcu_read_unlock_special+0x370/0x370
[  852.370089]  ? filemap_map_pages+0xd92/0x1a20
[  852.374620]  ? find_get_entries_tag+0x1400/0x1400
[  852.379499]  ? debug_object_destroy+0x2b0/0x2b0
[  852.384172]  ? lock_pi_update_atomic+0x150/0x150
[  852.388988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  852.394553]  ? lock_acquire+0x1ed/0x520
[  852.398530]  ? ext4_filemap_fault+0x7a/0xad
[  852.402903]  ? lock_release+0xa10/0xa10
[  852.406900]  ? perf_trace_sched_process_exec+0x860/0x860
[  852.412353]  ? print_usage_bug+0xc0/0xc0
[  852.416421]  ? print_usage_bug+0xc0/0xc0
[  852.420498]  ? down_read+0x8d/0x120
[  852.424141]  ? ext4_filemap_fault+0x7a/0xad
[  852.428475]  ? __down_interruptible+0x700/0x700
[  852.433155]  ext4_filemap_fault+0x82/0xad
[  852.437304]  __do_fault+0x100/0x6b0
[  852.440924]  ? do_futex+0x1df/0x26d0
[  852.444644]  ? pmd_devmap_trans_unstable+0x220/0x220
[  852.449768]  ? mark_held_locks+0x130/0x130
[  852.454003]  ? mark_held_locks+0x130/0x130
[  852.458268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.463808]  __handle_mm_fault+0x3ea0/0x5be0
[  852.468218]  ? perf_trace_lock+0x7a0/0x7a0
[  852.472466]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  852.477316]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  852.481912]  ? graph_lock+0x270/0x270
[  852.485717]  ? graph_lock+0x270/0x270
[  852.489520]  ? __x64_sys_futex+0x53e/0x6a0
[  852.493761]  ? find_held_lock+0x36/0x1c0
[  852.497829]  ? handle_mm_fault+0x42a/0xc70
[  852.502071]  ? lock_downgrade+0x900/0x900
[  852.506223]  ? check_preemption_disabled+0x48/0x280
[  852.511273]  ? kasan_check_read+0x11/0x20
[  852.515439]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  852.520718]  ? rcu_read_unlock_special+0x370/0x370
[  852.525648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.531186]  ? check_preemption_disabled+0x48/0x280
[  852.536258]  handle_mm_fault+0x54f/0xc70
[  852.540342]  ? __handle_mm_fault+0x5be0/0x5be0
[  852.544932]  ? find_vma+0x34/0x190
[  852.548480]  __do_page_fault+0x5d6/0xe40
[  852.552542]  ? trace_hardirqs_off+0xb8/0x310
[  852.556978]  do_page_fault+0xed/0x7d1
[  852.560782]  ? vmalloc_sync_all+0x30/0x30
[  852.564927]  ? error_entry+0x70/0xd0
[  852.568644]  ? trace_hardirqs_off_caller+0xbb/0x300
[  852.573690]  ? trace_hardirqs_on_caller+0xc0/0x310
[  852.578627]  ? syscall_return_slowpath+0x5e0/0x5e0
[  852.583559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  852.588407]  ? trace_hardirqs_on_caller+0x310/0x310
[  852.593421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  852.598875]  ? prepare_exit_to_usermode+0x291/0x3b0
[  852.603888]  ? page_fault+0x8/0x30
[  852.607435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  852.612283]  ? page_fault+0x8/0x30
[  852.615826]  page_fault+0x1e/0x30
[  852.619280] RIP: 0033:0x45ddf3
[  852.622488] Code: Bad RIP value.
[  852.625847] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  852.631212] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  852.638482] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  852.645747] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  852.653017] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  852.660286] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  852.667583] warn_alloc_show_mem: 1 callbacks suppressed
[  852.667595] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  852.667596] Mem-Info:
[  852.667628] active_anon:129018 inactive_anon:195 isolated_anon:0
[  852.667628]  active_file:12 inactive_file:15 isolated_file:0
[  852.667628]  unevictable:1 dirty:0 writeback:0 unstable:0
[  852.667628]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  852.667628]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  852.667628]  free:13741 free_pcp:161 free_cma:0
[  852.672980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  852.681057] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  852.683456] Call Trace:
[  852.716511] 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
[  852.725879]  dump_stack+0x244/0x39d
[  852.753448] lowmem_reserve[]: 0 2818 6321 6321
[  852.756047]  ? dump_stack_print_info.cold.1+0x20/0x20
[  852.782140] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  852.785782]  warn_alloc.cold.116+0xb7/0x1bd
[  852.790314] lowmem_reserve[]: 0 0 3503 3503
[  852.795511]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  852.822920] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  852.827275]  ? lock_downgrade+0x900/0x900
[  852.831549] lowmem_reserve[]: 0 0 0 0
[  852.836401]  ? trace_hardirqs_off+0xb8/0x310
[  852.865287] 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
[  852.869454]  ? trace_hardirqs_off+0xb8/0x310
[  852.873219] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  852.877635]  __alloc_pages_slowpath+0x26fe/0x2e30
[  852.891131] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  852.895567]  ? warn_alloc+0x120/0x120
[  852.909920] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  852.914753]  ? warn_alloc+0x120/0x120
[  852.929984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  852.929994] 296 total pagecache pages
[  852.933790]  ? warn_alloc+0x120/0x120
[  852.942783] 0 pages in swap cache
[  852.946598]  ? print_usage_bug+0xc0/0xc0
[  852.955147] Swap cache stats: add 0, delete 0, find 0/0
[  852.958935]  ? print_usage_bug+0xc0/0xc0
[  852.962710] Free swap  = 0kB
[  852.966175]  ? mark_held_locks+0x130/0x130
[  852.970217] Total swap = 0kB
[  852.975575]  ? mark_held_locks+0x130/0x130
[  852.979609] 1965979 pages RAM
[  852.982665]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  852.986887] 0 pages HighMem/MovableOnly
[  852.989913]  ? should_fail+0x22d/0xd01
[  852.994119] 342854 pages reserved
[  852.997221]  ? graph_lock+0x270/0x270
[  853.002772] 0 pages cma reserved
[  853.006741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.010681] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  853.014056]  ? __lock_acquire+0x62f/0x4c20
[  853.017919] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  853.021194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.026277] syz-fuzzer cpuset=/ mems_allowed=0
[  853.032759]  ? __lock_acquire+0x62f/0x4c20
[  853.061120]  ? should_fail+0x22d/0xd01
[  853.065018]  ? mark_held_locks+0x130/0x130
[  853.069271]  ? mark_held_locks+0x130/0x130
[  853.073662]  ? lock_downgrade+0x900/0x900
[  853.077837]  ? graph_lock+0x270/0x270
[  853.081665]  ? graph_lock+0x270/0x270
[  853.085462]  ? do_raw_spin_unlock+0xa7/0x330
[  853.089880]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  853.094662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.100210]  ? check_preemption_disabled+0x48/0x280
[  853.105249]  ? __lock_is_held+0xb5/0x140
[  853.109333]  __alloc_pages_nodemask+0xa7b/0xdd0
[  853.114019]  ? graph_lock+0x270/0x270
[  853.117827]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  853.122859]  ? find_held_lock+0x36/0x1c0
[  853.126930]  ? ____cache_alloc_node+0x1c7/0x1e0
[  853.131616]  ? lock_downgrade+0x900/0x900
[  853.135771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.141314]  cache_grow_begin+0xa5/0x8c0
[  853.145378]  ? do_raw_spin_unlock+0xa7/0x330
[  853.149791]  fallback_alloc+0x204/0x2e0
[  853.153774]  ____cache_alloc_node+0x1c7/0x1e0
[  853.158276]  kmem_cache_alloc_node+0xe3/0x730
[  853.162769]  ? lockdep_hardirqs_on+0x296/0x5b0
[  853.167358]  __alloc_skb+0x114/0x770
[  853.171104]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  853.176481]  ? netdev_alloc_frag+0x1f0/0x1f0
[  853.180918]  ? vprintk_default+0x28/0x30
[  853.185000]  ? vprintk_func+0x85/0x181
[  853.188900]  ? printk+0xa7/0xcf
[  853.192193]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  853.197010]  ? do_raw_spin_trylock+0x270/0x270
[  853.201622]  new_skb+0x26/0x1c0
[  853.204927]  aoecmd_cfg+0x279/0x7f0
[  853.208576]  ? find_held_lock+0x36/0x1c0
[  853.212660]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  853.217010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.222585]  ? __lock_is_held+0xb5/0x140
[  853.226699]  discover_timer+0x50/0x60
[  853.230518]  call_timer_fn+0x26d/0x920
[  853.234437]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.239301]  ? process_timeout+0x40/0x40
[  853.243403]  ? __run_timers+0x7d5/0xc60
[  853.247406]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.251921]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.256441]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.261307]  ? lockdep_hardirqs_on+0x296/0x5b0
[  853.265916]  ? trace_hardirqs_on+0xbd/0x310
[  853.270254]  ? kasan_check_read+0x11/0x20
[  853.274440]  ? __run_timers+0x7d5/0xc60
[  853.278427]  ? trace_hardirqs_off_caller+0x300/0x300
[  853.283556]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  853.288412]  __run_timers+0x7e0/0xc60
[  853.292247]  ? timer_fixup_init+0x70/0x70
[  853.296413]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.300927]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.305440]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  853.310052]  ? trace_hardirqs_on+0xbd/0x310
[  853.314382]  ? kasan_check_read+0x11/0x20
[  853.318547]  ? finish_task_switch+0x1f4/0x920
[  853.323072]  ? trace_hardirqs_off_caller+0x300/0x300
[  853.328217]  ? compat_start_thread+0x80/0x80
[  853.332664]  ? pvclock_read_flags+0x160/0x160
[  853.337174]  ? __switch_to_asm+0x34/0x70
[  853.341305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.346855]  ? check_preemption_disabled+0x48/0x280
[  853.351895]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  853.357449]  ? rcu_pm_notify+0xc0/0xc0
[  853.361353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.366902]  ? check_preemption_disabled+0x48/0x280
[  853.371937]  run_timer_softirq+0x52/0xb0
[  853.376014]  ? rcu_read_lock_sched_held+0x14f/0x180
[  853.381042]  __do_softirq+0x308/0xb7e
[  853.384859]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  853.389626]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  853.394751]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  853.399533]  ? trace_hardirqs_off+0xb8/0x310
[  853.403959]  ? smpboot_thread_fn+0x68b/0xa00
[  853.408392]  ? trace_hardirqs_on+0x310/0x310
[  853.412810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.418357]  ? check_preemption_disabled+0x48/0x280
[  853.423385]  ? takeover_tasklets+0xa90/0xa90
[  853.427804]  run_ksoftirqd+0x5e/0x100
[  853.431616]  smpboot_thread_fn+0x68b/0xa00
[  853.435866]  ? sort_range+0x30/0x30
[  853.439508]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  853.444637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.450192]  ? __kthread_parkme+0xfb/0x1a0
[  853.454470]  ? sort_range+0x30/0x30
[  853.458109]  kthread+0x35a/0x440
[  853.461493]  ? kthread_stop+0x8f0/0x8f0
[  853.465485]  ret_from_fork+0x3a/0x50
[  853.469287] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  853.469383] aoe: skb alloc failure
[  853.477538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  853.477551] Call Trace:
[  853.481250] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  853.490465]  <IRQ>
[  853.493044] ksoftirqd/0 cpuset=/ mems_allowed=0
[  853.503385]  dump_stack+0x244/0x39d
[  853.513823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  853.519051]  warn_alloc.cold.116+0xb7/0x1bd
[  853.523408]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  853.528279]  ? lock_downgrade+0x900/0x900
[  853.532501]  ? trace_hardirqs_off+0xb8/0x310
[  853.536981]  ? trace_hardirqs_off+0xb8/0x310
[  853.541416]  __alloc_pages_slowpath+0x26fe/0x2e30
[  853.546312]  ? warn_alloc+0x120/0x120
[  853.550148]  ? print_usage_bug+0xc0/0xc0
[  853.554231]  ? warn_alloc+0x120/0x120
[  853.558047]  ? warn_alloc+0x120/0x120
[  853.561870]  ? print_usage_bug+0xc0/0xc0
[  853.565951]  ? print_usage_bug+0xc0/0xc0
[  853.570023]  ? __lock_acquire+0x62f/0x4c20
[  853.574313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.579868]  ? should_fail+0x22d/0xd01
[  853.583780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.588901]  ? __lock_acquire+0x62f/0x4c20
[  853.593162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  853.598289]  ? __lock_acquire+0x62f/0x4c20
[  853.602538]  ? should_fail+0x22d/0xd01
[  853.606446]  ? find_held_lock+0x36/0x1c0
[  853.610532]  ? mark_held_locks+0x130/0x130
[  853.614821]  ? mark_held_locks+0x130/0x130
[  853.619075]  ? graph_lock+0x270/0x270
[  853.622892]  ? graph_lock+0x270/0x270
[  853.626705]  ? print_usage_bug+0xc0/0xc0
[  853.630777]  ? do_raw_spin_unlock+0xa7/0x330
[  853.635222]  ? graph_lock+0x270/0x270
[  853.639071]  ? print_usage_bug+0xc0/0xc0
[  853.643139]  ? wq_watchdog_touch+0x9c/0xfe
[  853.647410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.652976]  ? check_preemption_disabled+0x48/0x280
[  853.658019]  ? __lock_is_held+0xb5/0x140
[  853.662098]  __alloc_pages_nodemask+0xa7b/0xdd0
[  853.666778]  ? graph_lock+0x270/0x270
[  853.670591]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  853.675630]  ? find_held_lock+0x36/0x1c0
[  853.679717]  ? ____cache_alloc_node+0x1c7/0x1e0
[  853.684402]  ? lock_downgrade+0x900/0x900
[  853.688584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.694187]  cache_grow_begin+0xa5/0x8c0
[  853.698284]  ? do_raw_spin_unlock+0xa7/0x330
[  853.702717]  fallback_alloc+0x204/0x2e0
[  853.706727]  ____cache_alloc_node+0x1c7/0x1e0
[  853.711248]  kmem_cache_alloc_node+0xe3/0x730
[  853.715758]  ? ipv6_get_ifaddr+0x42e/0x620
[  853.720026]  __alloc_skb+0x114/0x770
[  853.723766]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  853.729066]  ? netdev_alloc_frag+0x1f0/0x1f0
[  853.733495]  ? lock_downgrade+0x900/0x900
[  853.737727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.743310]  ? refcount_sub_and_test_checked+0x203/0x310
[  853.748789]  ? refcount_dec_if_one+0x180/0x180
[  853.753391]  ? addrconf_rs_timer+0x690/0x690
[  853.757835]  ndisc_alloc_skb+0x144/0x340
[  853.761919]  ndisc_send_rs+0x331/0x6e0
[  853.765830]  addrconf_rs_timer+0x314/0x690
[  853.770085]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  853.774345]  call_timer_fn+0x26d/0x920
[  853.778260]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  853.782519]  ? process_timeout+0x40/0x40
[  853.786604]  ? mark_held_locks+0xc7/0x130
[  853.790782]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.795291]  ? _raw_spin_unlock_irq+0x27/0x80
[  853.799795]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  853.804043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  853.808642]  ? trace_hardirqs_on+0xbd/0x310
[  853.812988]  ? kasan_check_read+0x11/0x20
[  853.817174]  ? __run_timers+0x7d5/0xc60
[  853.821193]  ? trace_hardirqs_off_caller+0x300/0x300
[  853.826338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  853.830594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  853.834843]  __run_timers+0x7e0/0xc60
[  853.838681]  ? timer_fixup_init+0x70/0x70
[  853.842851]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  853.847888]  ? graph_lock+0x270/0x270
[  853.851730]  ? print_usage_bug+0xc0/0xc0
[  853.855834]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  853.861043]  ? find_held_lock+0x36/0x1c0
[  853.865122]  ? graph_lock+0x270/0x270
[  853.868958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.874510]  ? check_preemption_disabled+0x48/0x280
[  853.879570]  ? __lock_is_held+0xb5/0x140
[  853.883647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.889211]  ? check_preemption_disabled+0x48/0x280
[  853.894278]  run_timer_softirq+0x52/0xb0
[  853.898366]  ? rcu_read_lock_sched_held+0x14f/0x180
[  853.903404]  __do_softirq+0x308/0xb7e
[  853.907241]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  853.911771]  ? lock_downgrade+0x900/0x900
[  853.915944]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  853.921094]  ? pvclock_read_flags+0x160/0x160
[  853.925629]  ? lapic_next_event+0x5a/0x90
[  853.929843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  853.935408]  ? kvm_clock_read+0x18/0x30
[  853.939399]  ? kvm_sched_clock_read+0x9/0x20
[  853.943828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  853.949387]  ? check_preemption_disabled+0x48/0x280
[  853.954430]  irq_exit+0x17f/0x1c0
[  853.957902]  smp_apic_timer_interrupt+0x1cb/0x760
[  853.962757]  ? smp_reschedule_interrupt+0x109/0x650
[  853.967789]  ? smp_call_function_single_interrupt+0x640/0x640
[  853.973695]  ? interrupt_entry+0xb5/0xc0
[  853.977781]  ? trace_hardirqs_off_caller+0xbb/0x300
[  853.982810]  ? trace_hardirqs_off_caller+0xbb/0x300
[  853.987847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  853.992714]  ? trace_hardirqs_on_caller+0x310/0x310
[  853.997748]  ? trace_hardirqs_on_caller+0x310/0x310
[  854.002795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.007665]  apic_timer_interrupt+0xf/0x20
[  854.011918]  </IRQ>
[  854.014169] RIP: 0010:dump_stack+0x358/0x39d
[  854.018637] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  854.037752] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  854.045497] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  854.052820] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  854.060104] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  854.067387] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  854.074665] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  854.081955]  ? dump_stack+0x34f/0x39d
[  854.085782]  ? dump_stack_print_info.cold.1+0x20/0x20
[  854.090977]  ? mark_held_locks+0x130/0x130
[  854.095217]  ? mark_held_locks+0x130/0x130
[  854.099461]  dump_header+0x27b/0xf72
[  854.103188]  ? pagefault_out_of_memory+0x197/0x197
[  854.108130]  ? mark_held_locks+0x130/0x130
[  854.112366]  ? __lock_acquire+0x62f/0x4c20
[  854.116599]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  854.121377]  ? print_usage_bug+0xc0/0xc0
[  854.125453]  ? graph_lock+0x270/0x270
[  854.129251]  ? graph_lock+0x270/0x270
[  854.133049]  ? print_usage_bug+0xc0/0xc0
[  854.137120]  ? print_usage_bug+0xc0/0xc0
[  854.141181]  ? graph_lock+0x270/0x270
[  854.145006]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.150559]  ? find_held_lock+0x36/0x1c0
[  854.154628]  ? mark_held_locks+0xc7/0x130
[  854.158779]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  854.163899]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  854.169003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  854.173587]  ? trace_hardirqs_on+0xbd/0x310
[  854.177929]  ? kasan_check_read+0x11/0x20
[  854.182076]  ? ___ratelimit+0x3b4/0x672
[  854.186054]  ? trace_hardirqs_off_caller+0x300/0x300
[  854.191170]  ? trace_hardirqs_on+0x310/0x310
[  854.195598]  ? lock_downgrade+0x900/0x900
[  854.199752]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  854.204851]  ? ___ratelimit+0x3b9/0x672
[  854.208828]  ? idr_get_free+0xf70/0xf70
[  854.212803]  ? kasan_check_read+0x11/0x20
[  854.216948]  ? do_raw_spin_unlock+0xa7/0x330
[  854.221366]  oom_kill_process.cold.27+0x10/0x903
[  854.226121]  ? graph_lock+0x270/0x270
[  854.229922]  ? _raw_spin_unlock+0x2c/0x50
[  854.234073]  ? oom_badness+0xe6/0xaa0
[  854.237884]  ? oom_evaluate_task+0x540/0x540
[  854.242321]  ? find_held_lock+0x36/0x1c0
[  854.246389]  ? out_of_memory+0x96f/0x1430
[  854.250538]  ? lock_downgrade+0x900/0x900
[  854.254689]  ? check_preemption_disabled+0x48/0x280
[  854.259722]  ? kasan_check_read+0x11/0x20
[  854.263873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.269163]  ? rcu_read_unlock_special+0x370/0x370
[  854.274100]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  854.279111]  ? oom_evaluate_task+0x302/0x540
[  854.283530]  out_of_memory+0xa7f/0x1430
[  854.287514]  ? oom_killer_disable+0x3a0/0x3a0
[  854.292009]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  854.296957]  ? __ww_mutex_check_waiters+0x160/0x160
[  854.301983]  __alloc_pages_slowpath+0x236a/0x2e30
[  854.306855]  ? warn_alloc+0x120/0x120
[  854.310654]  ? mark_held_locks+0x130/0x130
[  854.314915]  ? find_get_entry+0xaae/0x1120
[  854.319166]  ? filemap_map_pages+0x1a20/0x1a20
[  854.323782]  ? graph_lock+0x270/0x270
[  854.327595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.333134]  ? check_preemption_disabled+0x48/0x280
[  854.338150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.343687]  ? should_fail+0x22d/0xd01
[  854.347580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  854.352684]  ? graph_lock+0x270/0x270
[  854.356534]  ? __lock_is_held+0xb5/0x140
[  854.360606]  ? mark_held_locks+0x130/0x130
[  854.364844]  ? lock_release+0xa10/0xa10
[  854.368821]  ? perf_trace_sched_process_exec+0x860/0x860
[  854.374288]  ? xa_load+0x2ba/0x460
[  854.377845]  ? lock_downgrade+0x900/0x900
[  854.381998]  ? __might_sleep+0x95/0x190
[  854.385978]  __alloc_pages_nodemask+0xa7b/0xdd0
[  854.390654]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  854.395712]  ? __page_cache_alloc+0x177/0x570
[  854.400232]  ? xa_load+0x2e1/0x460
[  854.403777]  ? xa_clear_mark+0x40/0x40
[  854.407670]  ? graph_lock+0x270/0x270
[  854.411481]  ? graph_lock+0x270/0x270
[  854.415282]  ? graph_lock+0x270/0x270
[  854.419084]  ? __do_page_cache_readahead+0x663/0x810
[  854.424190]  ? find_held_lock+0x36/0x1c0
[  854.428280]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  854.433829]  alloc_pages_current+0x173/0x350
[  854.438251]  __page_cache_alloc+0x3ce/0x570
[  854.442579]  ? kasan_check_read+0x11/0x20
[  854.446730]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.452012]  ? generic_perform_write+0x6a0/0x6a0
[  854.456772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.462327]  ? check_preemption_disabled+0x48/0x280
[  854.467383]  filemap_fault+0x1595/0x25f0
[  854.471482]  ? __lock_page_or_retry+0xa00/0xa00
[  854.476174]  ? mark_held_locks+0x130/0x130
[  854.480441]  ? filemap_map_pages+0xd6b/0x1a20
[  854.484953]  ? lock_downgrade+0x900/0x900
[  854.489107]  ? check_preemption_disabled+0x48/0x280
[  854.494144]  ? kasan_check_read+0x11/0x20
[  854.498296]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.503587]  ? rcu_read_unlock_special+0x370/0x370
[  854.508536]  ? filemap_map_pages+0xd92/0x1a20
[  854.513047]  ? find_get_entries_tag+0x1400/0x1400
[  854.517935]  ? debug_object_destroy+0x2b0/0x2b0
[  854.522612]  ? lock_pi_update_atomic+0x150/0x150
[  854.527392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  854.532941]  ? lock_acquire+0x1ed/0x520
[  854.536917]  ? ext4_filemap_fault+0x7a/0xad
[  854.541246]  ? lock_release+0xa10/0xa10
[  854.545224]  ? perf_trace_sched_process_exec+0x860/0x860
[  854.550683]  ? print_usage_bug+0xc0/0xc0
[  854.554756]  ? print_usage_bug+0xc0/0xc0
[  854.558891]  ? down_read+0x8d/0x120
[  854.562528]  ? ext4_filemap_fault+0x7a/0xad
[  854.566845]  ? __down_interruptible+0x700/0x700
[  854.571536]  ext4_filemap_fault+0x82/0xad
[  854.575693]  __do_fault+0x100/0x6b0
[  854.579318]  ? do_futex+0x1df/0x26d0
[  854.583033]  ? pmd_devmap_trans_unstable+0x220/0x220
[  854.588138]  ? mark_held_locks+0x130/0x130
[  854.592376]  ? mark_held_locks+0x130/0x130
[  854.596637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.602176]  __handle_mm_fault+0x3ea0/0x5be0
[  854.606591]  ? perf_trace_lock+0x7a0/0x7a0
[  854.610837]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  854.615702]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  854.620306]  ? graph_lock+0x270/0x270
[  854.624105]  ? graph_lock+0x270/0x270
[  854.627901]  ? __x64_sys_futex+0x53e/0x6a0
[  854.632137]  ? find_held_lock+0x36/0x1c0
[  854.636229]  ? handle_mm_fault+0x42a/0xc70
[  854.640475]  ? lock_downgrade+0x900/0x900
[  854.644621]  ? check_preemption_disabled+0x48/0x280
[  854.649647]  ? kasan_check_read+0x11/0x20
[  854.653795]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  854.659070]  ? rcu_read_unlock_special+0x370/0x370
[  854.664004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  854.669537]  ? check_preemption_disabled+0x48/0x280
[  854.674561]  handle_mm_fault+0x54f/0xc70
[  854.678652]  ? __handle_mm_fault+0x5be0/0x5be0
[  854.683251]  ? find_vma+0x34/0x190
[  854.686796]  __do_page_fault+0x5d6/0xe40
[  854.690854]  ? trace_hardirqs_off+0xb8/0x310
[  854.695268]  do_page_fault+0xed/0x7d1
[  854.699070]  ? vmalloc_sync_all+0x30/0x30
[  854.703221]  ? error_entry+0x70/0xd0
[  854.706935]  ? trace_hardirqs_off_caller+0xbb/0x300
[  854.711951]  ? trace_hardirqs_on_caller+0xc0/0x310
[  854.716883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  854.721809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.726647]  ? trace_hardirqs_on_caller+0x310/0x310
[  854.731673]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  854.737124]  ? prepare_exit_to_usermode+0x291/0x3b0
[  854.742134]  ? page_fault+0x8/0x30
[  854.745689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  854.750549]  ? page_fault+0x8/0x30
[  854.754085]  page_fault+0x1e/0x30
[  854.757548] RIP: 0033:0x45ddf3
[  854.760756] Code: Bad RIP value.
[  854.764143] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  854.769537] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  854.776805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  854.784072] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  854.791338] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  854.798605] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  854.805903] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  854.805908] warn_alloc_show_mem: 1 callbacks suppressed
[  854.805915] Mem-Info:
[  854.813971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  854.819343] active_anon:129018 inactive_anon:195 isolated_anon:0
[  854.819343]  active_file:12 inactive_file:15 isolated_file:0
[  854.819343]  unevictable:1 dirty:0 writeback:0 unstable:0
[  854.819343]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  854.819343]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  854.819343]  free:13741 free_pcp:161 free_cma:0
[  854.821717] Call Trace:
[  854.831104] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  854.864157]  dump_stack+0x244/0x39d
[  854.866716] 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
[  854.894322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  854.897919] lowmem_reserve[]: 0 2818 6321 6321
[  854.924052]  warn_alloc.cold.116+0xb7/0x1bd
[  854.929209] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  854.933791]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  854.938088] lowmem_reserve[]: 0 0 3503 3503
[  854.966796]  ? lock_downgrade+0x900/0x900
[  854.971627] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  854.975979]  ? trace_hardirqs_off+0xb8/0x310
[  854.980096] lowmem_reserve[]: 0 0 0 0
[  855.009012]  ? trace_hardirqs_off+0xb8/0x310
[  855.013403] 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
[  855.017247]  __alloc_pages_slowpath+0x26fe/0x2e30
[  855.021636] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  855.035206]  ? warn_alloc+0x120/0x120
[  855.040017] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  855.054464]  ? warn_alloc+0x120/0x120
[  855.058258] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  855.073528]  ? warn_alloc+0x120/0x120
[  855.077842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  855.086698]  ? print_usage_bug+0xc0/0xc0
[  855.090487] 296 total pagecache pages
[  855.099085]  ? print_usage_bug+0xc0/0xc0
[  855.103129] 0 pages in swap cache
[  855.106936]  ? mark_held_locks+0x130/0x130
[  855.110967] Swap cache stats: add 0, delete 0, find 0/0
[  855.114422]  ? mark_held_locks+0x130/0x130
[  855.118629] Free swap  = 0kB
[  855.124003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  855.128219] Total swap = 0kB
[  855.131273]  ? should_fail+0x22d/0xd01
[  855.136783] 1965979 pages RAM
[  855.139809]  ? graph_lock+0x270/0x270
[  855.143669] 0 pages HighMem/MovableOnly
[  855.146777]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.150543] 342854 pages reserved
[  855.154537]  ? __lock_acquire+0x62f/0x4c20
[  855.159610] 0 pages cma reserved
[  855.163072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.167353] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  855.170647]  ? __lock_acquire+0x62f/0x4c20
[  855.170660]  ? should_fail+0x22d/0xd01
[  855.170685]  ? mark_held_locks+0x130/0x130
[  855.175892] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  855.182321]  ? mark_held_locks+0x130/0x130
[  855.186531] syz-fuzzer cpuset=/ mems_allowed=0
[  855.190432]  ? lock_downgrade+0x900/0x900
[  855.217831]  ? graph_lock+0x270/0x270
[  855.221653]  ? graph_lock+0x270/0x270
[  855.225471]  ? do_raw_spin_unlock+0xa7/0x330
[  855.229899]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  855.234667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.240234]  ? check_preemption_disabled+0x48/0x280
[  855.245281]  ? __lock_is_held+0xb5/0x140
[  855.249363]  __alloc_pages_nodemask+0xa7b/0xdd0
[  855.254046]  ? graph_lock+0x270/0x270
[  855.257860]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  855.262904]  ? find_held_lock+0x36/0x1c0
[  855.266988]  ? ____cache_alloc_node+0x1c7/0x1e0
[  855.271677]  ? lock_downgrade+0x900/0x900
[  855.275849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.281415]  cache_grow_begin+0xa5/0x8c0
[  855.285498]  ? do_raw_spin_unlock+0xa7/0x330
[  855.289948]  fallback_alloc+0x204/0x2e0
[  855.293945]  ____cache_alloc_node+0x1c7/0x1e0
[  855.298491]  kmem_cache_alloc_node+0xe3/0x730
[  855.303008]  ? lockdep_hardirqs_on+0x296/0x5b0
[  855.307613]  __alloc_skb+0x114/0x770
[  855.311341]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  855.316741]  ? netdev_alloc_frag+0x1f0/0x1f0
[  855.321173]  ? vprintk_default+0x28/0x30
[  855.325266]  ? vprintk_func+0x85/0x181
[  855.329170]  ? printk+0xa7/0xcf
[  855.332483]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  855.337271]  ? do_raw_spin_trylock+0x270/0x270
[  855.341871]  new_skb+0x26/0x1c0
[  855.345161]  aoecmd_cfg+0x279/0x7f0
[  855.348812]  ? find_held_lock+0x36/0x1c0
[  855.352887]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  855.357254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.362821]  ? __lock_is_held+0xb5/0x140
[  855.366908]  discover_timer+0x50/0x60
[  855.370728]  call_timer_fn+0x26d/0x920
[  855.374633]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  855.379492]  ? process_timeout+0x40/0x40
[  855.383578]  ? __run_timers+0x7d5/0xc60
[  855.387584]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.392101]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.396612]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  855.401476]  ? lockdep_hardirqs_on+0x296/0x5b0
[  855.406081]  ? trace_hardirqs_on+0xbd/0x310
[  855.410420]  ? kasan_check_read+0x11/0x20
[  855.414583]  ? __run_timers+0x7d5/0xc60
[  855.418580]  ? trace_hardirqs_off_caller+0x300/0x300
[  855.423712]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  855.428571]  __run_timers+0x7e0/0xc60
[  855.432390]  ? timer_fixup_init+0x70/0x70
[  855.436555]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.441064]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.445593]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  855.450193]  ? trace_hardirqs_on+0xbd/0x310
[  855.454538]  ? kasan_check_read+0x11/0x20
[  855.458698]  ? finish_task_switch+0x1f4/0x920
[  855.463248]  ? trace_hardirqs_off_caller+0x300/0x300
[  855.468364]  ? compat_start_thread+0x80/0x80
[  855.472808]  ? pvclock_read_flags+0x160/0x160
[  855.477319]  ? __switch_to_asm+0x34/0x70
[  855.481397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.486948]  ? check_preemption_disabled+0x48/0x280
[  855.491987]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  855.497546]  ? rcu_pm_notify+0xc0/0xc0
[  855.501449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.507018]  ? check_preemption_disabled+0x48/0x280
[  855.512054]  run_timer_softirq+0x52/0xb0
[  855.516141]  ? rcu_read_lock_sched_held+0x14f/0x180
[  855.521173]  __do_softirq+0x308/0xb7e
[  855.524998]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  855.529768]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  855.534888]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  855.539693]  ? trace_hardirqs_off+0xb8/0x310
[  855.544125]  ? smpboot_thread_fn+0x68b/0xa00
[  855.548540]  ? trace_hardirqs_on+0x310/0x310
[  855.552963]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  855.558510]  ? check_preemption_disabled+0x48/0x280
[  855.563556]  ? takeover_tasklets+0xa90/0xa90
[  855.568022]  run_ksoftirqd+0x5e/0x100
[  855.571871]  smpboot_thread_fn+0x68b/0xa00
[  855.576123]  ? sort_range+0x30/0x30
[  855.579765]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  855.584879]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  855.590448]  ? __kthread_parkme+0xfb/0x1a0
[  855.594731]  ? sort_range+0x30/0x30
[  855.598371]  kthread+0x35a/0x440
[  855.601745]  ? kthread_stop+0x8f0/0x8f0
[  855.605749]  ret_from_fork+0x3a/0x50
[  855.609496] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  855.609603] aoe: skb alloc failure
[  855.617741] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  855.617753] Call Trace:
[  855.621435] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  855.630659]  <IRQ>
[  855.633261] ksoftirqd/0 cpuset=/ mems_allowed=0
[  855.643592]  dump_stack+0x244/0x39d
[  855.654033]  ? dump_stack_print_info.cold.1+0x20/0x20
[  855.659258]  warn_alloc.cold.116+0xb7/0x1bd
[  855.663598]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  855.668461]  ? lock_downgrade+0x900/0x900
[  855.672627]  ? trace_hardirqs_off+0xb8/0x310
[  855.677054]  ? trace_hardirqs_off+0xb8/0x310
[  855.681480]  __alloc_pages_slowpath+0x26fe/0x2e30
[  855.686416]  ? warn_alloc+0x120/0x120
[  855.690246]  ? print_usage_bug+0xc0/0xc0
[  855.694332]  ? warn_alloc+0x120/0x120
[  855.698148]  ? warn_alloc+0x120/0x120
[  855.701976]  ? print_usage_bug+0xc0/0xc0
[  855.706052]  ? print_usage_bug+0xc0/0xc0
[  855.710126]  ? __lock_acquire+0x62f/0x4c20
[  855.714379]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  855.719935]  ? should_fail+0x22d/0xd01
[  855.723851]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.728981]  ? __lock_acquire+0x62f/0x4c20
[  855.733254]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  855.738384]  ? __lock_acquire+0x62f/0x4c20
[  855.742637]  ? should_fail+0x22d/0xd01
[  855.746549]  ? find_held_lock+0x36/0x1c0
[  855.750645]  ? mark_held_locks+0x130/0x130
[  855.754908]  ? mark_held_locks+0x130/0x130
[  855.759156]  ? graph_lock+0x270/0x270
[  855.762977]  ? graph_lock+0x270/0x270
[  855.766795]  ? print_usage_bug+0xc0/0xc0
[  855.770865]  ? do_raw_spin_unlock+0xa7/0x330
[  855.775301]  ? graph_lock+0x270/0x270
[  855.779117]  ? print_usage_bug+0xc0/0xc0
[  855.783191]  ? wq_watchdog_touch+0x9c/0xfe
[  855.787457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.793014]  ? check_preemption_disabled+0x48/0x280
[  855.798064]  ? __lock_is_held+0xb5/0x140
[  855.802146]  __alloc_pages_nodemask+0xa7b/0xdd0
[  855.806834]  ? graph_lock+0x270/0x270
[  855.810654]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  855.815705]  ? find_held_lock+0x36/0x1c0
[  855.819824]  ? ____cache_alloc_node+0x1c7/0x1e0
[  855.824525]  ? lock_downgrade+0x900/0x900
[  855.828701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.834300]  cache_grow_begin+0xa5/0x8c0
[  855.838379]  ? do_raw_spin_unlock+0xa7/0x330
[  855.842816]  fallback_alloc+0x204/0x2e0
[  855.846815]  ____cache_alloc_node+0x1c7/0x1e0
[  855.851333]  kmem_cache_alloc_node+0xe3/0x730
[  855.855846]  ? ipv6_get_ifaddr+0x42e/0x620
[  855.860114]  __alloc_skb+0x114/0x770
[  855.863841]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  855.869142]  ? netdev_alloc_frag+0x1f0/0x1f0
[  855.873569]  ? lock_downgrade+0x900/0x900
[  855.877747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  855.883306]  ? refcount_sub_and_test_checked+0x203/0x310
[  855.888776]  ? refcount_dec_if_one+0x180/0x180
[  855.893377]  ? addrconf_rs_timer+0x690/0x690
[  855.897826]  ndisc_alloc_skb+0x144/0x340
[  855.901902]  ndisc_send_rs+0x331/0x6e0
[  855.905809]  addrconf_rs_timer+0x314/0x690
[  855.910058]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  855.914313]  call_timer_fn+0x26d/0x920
[  855.918218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  855.922464]  ? process_timeout+0x40/0x40
[  855.926546]  ? mark_held_locks+0xc7/0x130
[  855.930714]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.935244]  ? _raw_spin_unlock_irq+0x27/0x80
[  855.939753]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  855.944006]  ? lockdep_hardirqs_on+0x296/0x5b0
[  855.948598]  ? trace_hardirqs_on+0xbd/0x310
[  855.952925]  ? kasan_check_read+0x11/0x20
[  855.957082]  ? __run_timers+0x7d5/0xc60
[  855.961065]  ? trace_hardirqs_off_caller+0x300/0x300
[  855.966193]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  855.970452]  __run_timers+0x7e0/0xc60
[  855.974274]  ? timer_fixup_init+0x70/0x70
[  855.978441]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  855.983482]  ? graph_lock+0x270/0x270
[  855.987309]  ? print_usage_bug+0xc0/0xc0
[  855.991384]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  855.996591]  ? find_held_lock+0x36/0x1c0
[  856.000675]  ? graph_lock+0x270/0x270
[  856.004504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.010059]  ? check_preemption_disabled+0x48/0x280
[  856.015108]  ? __lock_is_held+0xb5/0x140
[  856.019181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.024743]  ? check_preemption_disabled+0x48/0x280
[  856.029780]  run_timer_softirq+0x52/0xb0
[  856.033852]  ? rcu_read_lock_sched_held+0x14f/0x180
[  856.038886]  __do_softirq+0x308/0xb7e
[  856.042712]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  856.047225]  ? lock_downgrade+0x900/0x900
[  856.051395]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  856.056520]  ? pvclock_read_flags+0x160/0x160
[  856.061027]  ? lapic_next_event+0x5a/0x90
[  856.065191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.070776]  ? kvm_clock_read+0x18/0x30
[  856.074765]  ? kvm_sched_clock_read+0x9/0x20
[  856.079188]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.084755]  ? check_preemption_disabled+0x48/0x280
[  856.089806]  irq_exit+0x17f/0x1c0
[  856.093273]  smp_apic_timer_interrupt+0x1cb/0x760
[  856.098133]  ? smp_reschedule_interrupt+0x109/0x650
[  856.103166]  ? smp_call_function_single_interrupt+0x640/0x640
[  856.109079]  ? interrupt_entry+0xb5/0xc0
[  856.113160]  ? trace_hardirqs_off_caller+0xbb/0x300
[  856.118188]  ? trace_hardirqs_off_caller+0xbb/0x300
[  856.123239]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.128101]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.133127]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.138172]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.143044]  apic_timer_interrupt+0xf/0x20
[  856.147281]  </IRQ>
[  856.149533] RIP: 0010:dump_stack+0x358/0x39d
[  856.153949] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  856.172871] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  856.180604] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  856.187893] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  856.195184] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  856.202484] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  856.209769] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  856.217082]  ? dump_stack+0x34f/0x39d
[  856.220929]  ? dump_stack_print_info.cold.1+0x20/0x20
[  856.226157]  ? mark_held_locks+0x130/0x130
[  856.230405]  ? mark_held_locks+0x130/0x130
[  856.234655]  dump_header+0x27b/0xf72
[  856.238401]  ? pagefault_out_of_memory+0x197/0x197
[  856.243348]  ? mark_held_locks+0x130/0x130
[  856.247594]  ? __lock_acquire+0x62f/0x4c20
[  856.251833]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  856.256600]  ? print_usage_bug+0xc0/0xc0
[  856.260675]  ? graph_lock+0x270/0x270
[  856.264482]  ? graph_lock+0x270/0x270
[  856.268291]  ? print_usage_bug+0xc0/0xc0
[  856.272362]  ? print_usage_bug+0xc0/0xc0
[  856.276433]  ? graph_lock+0x270/0x270
[  856.280253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.285805]  ? find_held_lock+0x36/0x1c0
[  856.289884]  ? mark_held_locks+0xc7/0x130
[  856.294045]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  856.299190]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  856.304323]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  856.308917]  ? trace_hardirqs_on+0xbd/0x310
[  856.313272]  ? kasan_check_read+0x11/0x20
[  856.317433]  ? ___ratelimit+0x3b4/0x672
[  856.321421]  ? trace_hardirqs_off_caller+0x300/0x300
[  856.326539]  ? trace_hardirqs_on+0x310/0x310
[  856.330958]  ? lock_downgrade+0x900/0x900
[  856.335122]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  856.340240]  ? ___ratelimit+0x3b9/0x672
[  856.344238]  ? idr_get_free+0xf70/0xf70
[  856.348227]  ? kasan_check_read+0x11/0x20
[  856.352388]  ? do_raw_spin_unlock+0xa7/0x330
[  856.356822]  oom_kill_process.cold.27+0x10/0x903
[  856.361596]  ? graph_lock+0x270/0x270
[  856.365407]  ? _raw_spin_unlock+0x2c/0x50
[  856.369564]  ? oom_badness+0xe6/0xaa0
[  856.373398]  ? oom_evaluate_task+0x540/0x540
[  856.377830]  ? find_held_lock+0x36/0x1c0
[  856.381908]  ? out_of_memory+0x96f/0x1430
[  856.386068]  ? lock_downgrade+0x900/0x900
[  856.390246]  ? check_preemption_disabled+0x48/0x280
[  856.395302]  ? kasan_check_read+0x11/0x20
[  856.399461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.404757]  ? rcu_read_unlock_special+0x370/0x370
[  856.409713]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  856.414743]  ? oom_evaluate_task+0x302/0x540
[  856.419172]  out_of_memory+0xa7f/0x1430
[  856.423180]  ? oom_killer_disable+0x3a0/0x3a0
[  856.427706]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  856.432659]  ? __ww_mutex_check_waiters+0x160/0x160
[  856.437796]  __alloc_pages_slowpath+0x236a/0x2e30
[  856.442703]  ? warn_alloc+0x120/0x120
[  856.446533]  ? mark_held_locks+0x130/0x130
[  856.450806]  ? find_get_entry+0xaae/0x1120
[  856.455068]  ? filemap_map_pages+0x1a20/0x1a20
[  856.459690]  ? graph_lock+0x270/0x270
[  856.463525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.469075]  ? check_preemption_disabled+0x48/0x280
[  856.474105]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.479658]  ? should_fail+0x22d/0xd01
[  856.483562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  856.488679]  ? graph_lock+0x270/0x270
[  856.492524]  ? __lock_is_held+0xb5/0x140
[  856.496603]  ? mark_held_locks+0x130/0x130
[  856.500853]  ? lock_release+0xa10/0xa10
[  856.504839]  ? perf_trace_sched_process_exec+0x860/0x860
[  856.510297]  ? xa_load+0x2ba/0x460
[  856.513854]  ? lock_downgrade+0x900/0x900
[  856.518018]  ? __might_sleep+0x95/0x190
[  856.522003]  __alloc_pages_nodemask+0xa7b/0xdd0
[  856.526700]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  856.531736]  ? __page_cache_alloc+0x177/0x570
[  856.536240]  ? xa_load+0x2e1/0x460
[  856.539808]  ? xa_clear_mark+0x40/0x40
[  856.543719]  ? graph_lock+0x270/0x270
[  856.547539]  ? graph_lock+0x270/0x270
[  856.551348]  ? graph_lock+0x270/0x270
[  856.555157]  ? __do_page_cache_readahead+0x663/0x810
[  856.560282]  ? find_held_lock+0x36/0x1c0
[  856.564362]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  856.569925]  alloc_pages_current+0x173/0x350
[  856.574355]  __page_cache_alloc+0x3ce/0x570
[  856.578704]  ? kasan_check_read+0x11/0x20
[  856.582867]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.588158]  ? generic_perform_write+0x6a0/0x6a0
[  856.592930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.598482]  ? check_preemption_disabled+0x48/0x280
[  856.603522]  filemap_fault+0x1595/0x25f0
[  856.607613]  ? __lock_page_or_retry+0xa00/0xa00
[  856.612300]  ? mark_held_locks+0x130/0x130
[  856.616559]  ? filemap_map_pages+0xd6b/0x1a20
[  856.621067]  ? lock_downgrade+0x900/0x900
[  856.625233]  ? check_preemption_disabled+0x48/0x280
[  856.630274]  ? kasan_check_read+0x11/0x20
[  856.634435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.639734]  ? rcu_read_unlock_special+0x370/0x370
[  856.644692]  ? filemap_map_pages+0xd92/0x1a20
[  856.649236]  ? find_get_entries_tag+0x1400/0x1400
[  856.654109]  ? debug_object_destroy+0x2b0/0x2b0
[  856.658810]  ? lock_pi_update_atomic+0x150/0x150
[  856.663575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  856.669148]  ? lock_acquire+0x1ed/0x520
[  856.673133]  ? ext4_filemap_fault+0x7a/0xad
[  856.677470]  ? lock_release+0xa10/0xa10
[  856.681449]  ? perf_trace_sched_process_exec+0x860/0x860
[  856.686913]  ? print_usage_bug+0xc0/0xc0
[  856.690983]  ? print_usage_bug+0xc0/0xc0
[  856.695062]  ? down_read+0x8d/0x120
[  856.698713]  ? ext4_filemap_fault+0x7a/0xad
[  856.703045]  ? __down_interruptible+0x700/0x700
[  856.707742]  ext4_filemap_fault+0x82/0xad
[  856.711911]  __do_fault+0x100/0x6b0
[  856.715544]  ? do_futex+0x1df/0x26d0
[  856.719285]  ? pmd_devmap_trans_unstable+0x220/0x220
[  856.724408]  ? mark_held_locks+0x130/0x130
[  856.728661]  ? mark_held_locks+0x130/0x130
[  856.732928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.738495]  __handle_mm_fault+0x3ea0/0x5be0
[  856.742910]  ? perf_trace_lock+0x7a0/0x7a0
[  856.747162]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  856.752068]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  856.756671]  ? graph_lock+0x270/0x270
[  856.760479]  ? graph_lock+0x270/0x270
[  856.764287]  ? __x64_sys_futex+0x53e/0x6a0
[  856.768548]  ? find_held_lock+0x36/0x1c0
[  856.772656]  ? handle_mm_fault+0x42a/0xc70
[  856.776898]  ? lock_downgrade+0x900/0x900
[  856.781062]  ? check_preemption_disabled+0x48/0x280
[  856.786114]  ? kasan_check_read+0x11/0x20
[  856.790265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  856.795548]  ? rcu_read_unlock_special+0x370/0x370
[  856.800507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  856.806056]  ? check_preemption_disabled+0x48/0x280
[  856.811091]  handle_mm_fault+0x54f/0xc70
[  856.815178]  ? __handle_mm_fault+0x5be0/0x5be0
[  856.819780]  ? find_vma+0x34/0x190
[  856.823347]  __do_page_fault+0x5d6/0xe40
[  856.827414]  ? trace_hardirqs_off+0xb8/0x310
[  856.831863]  do_page_fault+0xed/0x7d1
[  856.835672]  ? vmalloc_sync_all+0x30/0x30
[  856.839838]  ? error_entry+0x70/0xd0
[  856.843574]  ? trace_hardirqs_off_caller+0xbb/0x300
[  856.848602]  ? trace_hardirqs_on_caller+0xc0/0x310
[  856.853540]  ? syscall_return_slowpath+0x5e0/0x5e0
[  856.858478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.863349]  ? trace_hardirqs_on_caller+0x310/0x310
[  856.868380]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  856.873847]  ? prepare_exit_to_usermode+0x291/0x3b0
[  856.878877]  ? page_fault+0x8/0x30
[  856.882432]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  856.887292]  ? page_fault+0x8/0x30
[  856.890842]  page_fault+0x1e/0x30
[  856.894305] RIP: 0033:0x45ddf3
[  856.897515] Code: Bad RIP value.
[  856.900879] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  856.906245] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  856.913525] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  856.920818] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  856.928104] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  856.935386] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  856.943013] warn_alloc_show_mem: 1 callbacks suppressed
[  856.943026] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  856.943028] Mem-Info:
[  856.943062] active_anon:129018 inactive_anon:195 isolated_anon:0
[  856.943062]  active_file:12 inactive_file:15 isolated_file:0
[  856.943062]  unevictable:1 dirty:0 writeback:0 unstable:0
[  856.943062]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  856.943062]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  856.943062]  free:13741 free_pcp:161 free_cma:0
[  856.948410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  856.956482] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  856.958897] Call Trace:
[  856.991953] 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
[  857.001335]  dump_stack+0x244/0x39d
[  857.028898] lowmem_reserve[]: 0 2818 6321 6321
[  857.031527]  ? dump_stack_print_info.cold.1+0x20/0x20
[  857.057598] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  857.061239]  warn_alloc.cold.116+0xb7/0x1bd
[  857.065783] lowmem_reserve[]: 0 0 3503 3503
[  857.070972]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  857.098857] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  857.103178]  ? lock_downgrade+0x900/0x900
[  857.107471] lowmem_reserve[]: 0 0 0 0
[  857.112313]  ? trace_hardirqs_off+0xb8/0x310
[  857.141169] 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
[  857.145321]  ? trace_hardirqs_off+0xb8/0x310
[  857.149097] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  857.153508]  __alloc_pages_slowpath+0x26fe/0x2e30
[  857.167001] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  857.171429]  ? warn_alloc+0x120/0x120
[  857.185780] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  857.190611]  ? warn_alloc+0x120/0x120
[  857.205845] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  857.209634]  ? warn_alloc+0x120/0x120
[  857.218445] 296 total pagecache pages
[  857.222278]  ? print_usage_bug+0xc0/0xc0
[  857.230827] 0 pages in swap cache
[  857.234612]  ? print_usage_bug+0xc0/0xc0
[  857.238392] Swap cache stats: add 0, delete 0, find 0/0
[  857.242441]  ? mark_held_locks+0x130/0x130
[  857.245872] Free swap  = 0kB
[  857.249922]  ? mark_held_locks+0x130/0x130
[  857.255268] Total swap = 0kB
[  857.255276] 1965979 pages RAM
[  857.259509]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.262503] 0 pages HighMem/MovableOnly
[  857.266744]  ? should_fail+0x22d/0xd01
[  857.269757] 342854 pages reserved
[  857.272849]  ? graph_lock+0x270/0x270
[  857.278374] 0 pages cma reserved
[  857.282343]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.286292] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  857.289680]  ? __lock_acquire+0x62f/0x4c20
[  857.289713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.289726]  ? __lock_acquire+0x62f/0x4c20
[  857.289741]  ? should_fail+0x22d/0xd01
[  857.293591] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  857.296888]  ? mark_held_locks+0x130/0x130
[  857.301960] syz-fuzzer cpuset=/ mems_allowed=0
[  857.308449]  ? mark_held_locks+0x130/0x130
[  857.349047]  ? lock_downgrade+0x900/0x900
[  857.353189]  ? graph_lock+0x270/0x270
[  857.357003]  ? graph_lock+0x270/0x270
[  857.360802]  ? do_raw_spin_unlock+0xa7/0x330
[  857.365220]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  857.370001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.375542]  ? check_preemption_disabled+0x48/0x280
[  857.380571]  ? __lock_is_held+0xb5/0x140
[  857.384668]  __alloc_pages_nodemask+0xa7b/0xdd0
[  857.389352]  ? graph_lock+0x270/0x270
[  857.393161]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  857.398188]  ? find_held_lock+0x36/0x1c0
[  857.402273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  857.406976]  ? lock_downgrade+0x900/0x900
[  857.411134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.416694]  cache_grow_begin+0xa5/0x8c0
[  857.420757]  ? do_raw_spin_unlock+0xa7/0x330
[  857.425179]  fallback_alloc+0x204/0x2e0
[  857.429187]  ____cache_alloc_node+0x1c7/0x1e0
[  857.433711]  kmem_cache_alloc_node+0xe3/0x730
[  857.438250]  ? lockdep_hardirqs_on+0x296/0x5b0
[  857.442874]  __alloc_skb+0x114/0x770
[  857.446586]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  857.451953]  ? netdev_alloc_frag+0x1f0/0x1f0
[  857.456380]  ? vprintk_default+0x28/0x30
[  857.460444]  ? vprintk_func+0x85/0x181
[  857.464335]  ? printk+0xa7/0xcf
[  857.467613]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  857.472373]  ? do_raw_spin_trylock+0x270/0x270
[  857.476984]  new_skb+0x26/0x1c0
[  857.480268]  aoecmd_cfg+0x279/0x7f0
[  857.483918]  ? find_held_lock+0x36/0x1c0
[  857.487978]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  857.492301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.497897]  ? __lock_is_held+0xb5/0x140
[  857.501968]  discover_timer+0x50/0x60
[  857.505772]  call_timer_fn+0x26d/0x920
[  857.509656]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  857.514497]  ? process_timeout+0x40/0x40
[  857.518577]  ? __run_timers+0x7d5/0xc60
[  857.522558]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.527057]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.531565]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  857.536427]  ? lockdep_hardirqs_on+0x296/0x5b0
[  857.541043]  ? trace_hardirqs_on+0xbd/0x310
[  857.545370]  ? kasan_check_read+0x11/0x20
[  857.549515]  ? __run_timers+0x7d5/0xc60
[  857.553495]  ? trace_hardirqs_off_caller+0x300/0x300
[  857.558630]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  857.563470]  __run_timers+0x7e0/0xc60
[  857.567284]  ? timer_fixup_init+0x70/0x70
[  857.571437]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.575935]  ? _raw_spin_unlock_irq+0x27/0x80
[  857.580449]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  857.585036]  ? trace_hardirqs_on+0xbd/0x310
[  857.589356]  ? kasan_check_read+0x11/0x20
[  857.593523]  ? finish_task_switch+0x1f4/0x920
[  857.598016]  ? trace_hardirqs_off_caller+0x300/0x300
[  857.603117]  ? compat_start_thread+0x80/0x80
[  857.607561]  ? pvclock_read_flags+0x160/0x160
[  857.612057]  ? __switch_to_asm+0x34/0x70
[  857.616137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.621698]  ? check_preemption_disabled+0x48/0x280
[  857.626725]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  857.632268]  ? rcu_pm_notify+0xc0/0xc0
[  857.636161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.641704]  ? check_preemption_disabled+0x48/0x280
[  857.646732]  run_timer_softirq+0x52/0xb0
[  857.650796]  ? rcu_read_lock_sched_held+0x14f/0x180
[  857.655816]  __do_softirq+0x308/0xb7e
[  857.659639]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  857.664402]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  857.669521]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  857.674325]  ? trace_hardirqs_off+0xb8/0x310
[  857.678755]  ? smpboot_thread_fn+0x68b/0xa00
[  857.683176]  ? trace_hardirqs_on+0x310/0x310
[  857.687606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.693182]  ? check_preemption_disabled+0x48/0x280
[  857.698223]  ? takeover_tasklets+0xa90/0xa90
[  857.702657]  run_ksoftirqd+0x5e/0x100
[  857.706457]  smpboot_thread_fn+0x68b/0xa00
[  857.710698]  ? sort_range+0x30/0x30
[  857.714329]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  857.719461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.724999]  ? __kthread_parkme+0xfb/0x1a0
[  857.729243]  ? sort_range+0x30/0x30
[  857.732869]  kthread+0x35a/0x440
[  857.736245]  ? kthread_stop+0x8f0/0x8f0
[  857.740247]  ret_from_fork+0x3a/0x50
[  857.743991] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  857.744100] aoe: skb alloc failure
[  857.752229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  857.752234] Call Trace:
[  857.752240]  <IRQ>
[  857.752257]  dump_stack+0x244/0x39d
[  857.752275]  ? dump_stack_print_info.cold.1+0x20/0x20
[  857.755842] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  857.765167]  warn_alloc.cold.116+0xb7/0x1bd
[  857.767713] ksoftirqd/0 cpuset=/ mems_allowed=0
[  857.769863]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  857.802730]  ? lock_downgrade+0x900/0x900
[  857.806896]  ? trace_hardirqs_off+0xb8/0x310
[  857.811325]  ? trace_hardirqs_off+0xb8/0x310
[  857.815753]  __alloc_pages_slowpath+0x26fe/0x2e30
[  857.820618]  ? warn_alloc+0x120/0x120
[  857.824415]  ? print_usage_bug+0xc0/0xc0
[  857.828490]  ? warn_alloc+0x120/0x120
[  857.832293]  ? warn_alloc+0x120/0x120
[  857.836097]  ? print_usage_bug+0xc0/0xc0
[  857.840159]  ? print_usage_bug+0xc0/0xc0
[  857.844253]  ? __lock_acquire+0x62f/0x4c20
[  857.848525]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  857.854069]  ? should_fail+0x22d/0xd01
[  857.857984]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.863085]  ? __lock_acquire+0x62f/0x4c20
[  857.867326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  857.872430]  ? __lock_acquire+0x62f/0x4c20
[  857.876657]  ? should_fail+0x22d/0xd01
[  857.880556]  ? find_held_lock+0x36/0x1c0
[  857.884624]  ? mark_held_locks+0x130/0x130
[  857.888878]  ? mark_held_locks+0x130/0x130
[  857.893134]  ? graph_lock+0x270/0x270
[  857.896948]  ? graph_lock+0x270/0x270
[  857.900769]  ? print_usage_bug+0xc0/0xc0
[  857.904830]  ? do_raw_spin_unlock+0xa7/0x330
[  857.909241]  ? graph_lock+0x270/0x270
[  857.913041]  ? print_usage_bug+0xc0/0xc0
[  857.917098]  ? wq_watchdog_touch+0x9c/0xfe
[  857.921334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.926886]  ? check_preemption_disabled+0x48/0x280
[  857.931907]  ? __lock_is_held+0xb5/0x140
[  857.935979]  __alloc_pages_nodemask+0xa7b/0xdd0
[  857.940668]  ? graph_lock+0x270/0x270
[  857.944497]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  857.949524]  ? find_held_lock+0x36/0x1c0
[  857.953599]  ? ____cache_alloc_node+0x1c7/0x1e0
[  857.958276]  ? lock_downgrade+0x900/0x900
[  857.962441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  857.967992]  cache_grow_begin+0xa5/0x8c0
[  857.972056]  ? do_raw_spin_unlock+0xa7/0x330
[  857.976470]  fallback_alloc+0x204/0x2e0
[  857.980452]  ____cache_alloc_node+0x1c7/0x1e0
[  857.984955]  kmem_cache_alloc_node+0xe3/0x730
[  857.989451]  ? ipv6_get_ifaddr+0x42e/0x620
[  857.993697]  __alloc_skb+0x114/0x770
[  857.997429]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.002720]  ? netdev_alloc_frag+0x1f0/0x1f0
[  858.007129]  ? lock_downgrade+0x900/0x900
[  858.011285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.016845]  ? refcount_sub_and_test_checked+0x203/0x310
[  858.022300]  ? refcount_dec_if_one+0x180/0x180
[  858.027075]  ? addrconf_rs_timer+0x690/0x690
[  858.031513]  ndisc_alloc_skb+0x144/0x340
[  858.035579]  ndisc_send_rs+0x331/0x6e0
[  858.039472]  addrconf_rs_timer+0x314/0x690
[  858.043730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.047975]  call_timer_fn+0x26d/0x920
[  858.051858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.056101]  ? process_timeout+0x40/0x40
[  858.060176]  ? mark_held_locks+0xc7/0x130
[  858.064367]  ? _raw_spin_unlock_irq+0x27/0x80
[  858.068861]  ? _raw_spin_unlock_irq+0x27/0x80
[  858.073354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.077602]  ? lockdep_hardirqs_on+0x296/0x5b0
[  858.082188]  ? trace_hardirqs_on+0xbd/0x310
[  858.086533]  ? kasan_check_read+0x11/0x20
[  858.090685]  ? __run_timers+0x7d5/0xc60
[  858.094668]  ? trace_hardirqs_off_caller+0x300/0x300
[  858.099790]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.104045]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  858.108276]  __run_timers+0x7e0/0xc60
[  858.112085]  ? timer_fixup_init+0x70/0x70
[  858.116240]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  858.121258]  ? graph_lock+0x270/0x270
[  858.125066]  ? print_usage_bug+0xc0/0xc0
[  858.129129]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  858.134328]  ? find_held_lock+0x36/0x1c0
[  858.138406]  ? graph_lock+0x270/0x270
[  858.142221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.147766]  ? check_preemption_disabled+0x48/0x280
[  858.152795]  ? __lock_is_held+0xb5/0x140
[  858.156861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.162398]  ? check_preemption_disabled+0x48/0x280
[  858.167416]  run_timer_softirq+0x52/0xb0
[  858.171490]  ? rcu_read_lock_sched_held+0x14f/0x180
[  858.176509]  __do_softirq+0x308/0xb7e
[  858.180312]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  858.184823]  ? lock_downgrade+0x900/0x900
[  858.188973]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  858.194103]  ? pvclock_read_flags+0x160/0x160
[  858.198599]  ? lapic_next_event+0x5a/0x90
[  858.202749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.208301]  ? kvm_clock_read+0x18/0x30
[  858.212278]  ? kvm_sched_clock_read+0x9/0x20
[  858.216701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.222247]  ? check_preemption_disabled+0x48/0x280
[  858.227276]  irq_exit+0x17f/0x1c0
[  858.230732]  smp_apic_timer_interrupt+0x1cb/0x760
[  858.235573]  ? smp_reschedule_interrupt+0x109/0x650
[  858.240588]  ? smp_call_function_single_interrupt+0x640/0x640
[  858.246492]  ? interrupt_entry+0xb5/0xc0
[  858.250565]  ? trace_hardirqs_off_caller+0xbb/0x300
[  858.255576]  ? trace_hardirqs_off_caller+0xbb/0x300
[  858.260607]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.265469]  ? trace_hardirqs_on_caller+0x310/0x310
[  858.270499]  ? trace_hardirqs_on_caller+0x310/0x310
[  858.275544]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.280420]  apic_timer_interrupt+0xf/0x20
[  858.284649]  </IRQ>
[  858.286886] RIP: 0010:dump_stack+0x358/0x39d
[  858.291295] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  858.310190] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  858.317907] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  858.325189] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  858.332485] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  858.339748] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  858.347014] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  858.354299]  ? dump_stack+0x34f/0x39d
[  858.358114]  ? dump_stack_print_info.cold.1+0x20/0x20
[  858.363309]  ? mark_held_locks+0x130/0x130
[  858.367556]  ? mark_held_locks+0x130/0x130
[  858.371795]  dump_header+0x27b/0xf72
[  858.375523]  ? pagefault_out_of_memory+0x197/0x197
[  858.380470]  ? mark_held_locks+0x130/0x130
[  858.384725]  ? __lock_acquire+0x62f/0x4c20
[  858.388961]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  858.393722]  ? print_usage_bug+0xc0/0xc0
[  858.397792]  ? graph_lock+0x270/0x270
[  858.401598]  ? graph_lock+0x270/0x270
[  858.405402]  ? print_usage_bug+0xc0/0xc0
[  858.409464]  ? print_usage_bug+0xc0/0xc0
[  858.413529]  ? graph_lock+0x270/0x270
[  858.417355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.422910]  ? find_held_lock+0x36/0x1c0
[  858.426999]  ? mark_held_locks+0xc7/0x130
[  858.431149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  858.436257]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  858.441374]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  858.445961]  ? trace_hardirqs_on+0xbd/0x310
[  858.450285]  ? kasan_check_read+0x11/0x20
[  858.454435]  ? ___ratelimit+0x3b4/0x672
[  858.458413]  ? trace_hardirqs_off_caller+0x300/0x300
[  858.463516]  ? trace_hardirqs_on+0x310/0x310
[  858.467925]  ? lock_downgrade+0x900/0x900
[  858.472076]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  858.477180]  ? ___ratelimit+0x3b9/0x672
[  858.481168]  ? idr_get_free+0xf70/0xf70
[  858.485149]  ? kasan_check_read+0x11/0x20
[  858.489299]  ? do_raw_spin_unlock+0xa7/0x330
[  858.493719]  oom_kill_process.cold.27+0x10/0x903
[  858.498472]  ? graph_lock+0x270/0x270
[  858.502274]  ? _raw_spin_unlock+0x2c/0x50
[  858.506436]  ? oom_badness+0xe6/0xaa0
[  858.510241]  ? oom_evaluate_task+0x540/0x540
[  858.514667]  ? find_held_lock+0x36/0x1c0
[  858.518739]  ? out_of_memory+0x96f/0x1430
[  858.522884]  ? lock_downgrade+0x900/0x900
[  858.527028]  ? check_preemption_disabled+0x48/0x280
[  858.532044]  ? kasan_check_read+0x11/0x20
[  858.536211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.541530]  ? rcu_read_unlock_special+0x370/0x370
[  858.546457]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  858.551470]  ? oom_evaluate_task+0x302/0x540
[  858.555882]  out_of_memory+0xa7f/0x1430
[  858.559863]  ? oom_killer_disable+0x3a0/0x3a0
[  858.564371]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  858.569303]  ? __ww_mutex_check_waiters+0x160/0x160
[  858.574359]  __alloc_pages_slowpath+0x236a/0x2e30
[  858.579238]  ? warn_alloc+0x120/0x120
[  858.583055]  ? mark_held_locks+0x130/0x130
[  858.587308]  ? find_get_entry+0xaae/0x1120
[  858.591575]  ? filemap_map_pages+0x1a20/0x1a20
[  858.596176]  ? graph_lock+0x270/0x270
[  858.599994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.605544]  ? check_preemption_disabled+0x48/0x280
[  858.610564]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.616115]  ? should_fail+0x22d/0xd01
[  858.620009]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  858.625116]  ? graph_lock+0x270/0x270
[  858.628941]  ? __lock_is_held+0xb5/0x140
[  858.633010]  ? mark_held_locks+0x130/0x130
[  858.637262]  ? lock_release+0xa10/0xa10
[  858.641251]  ? perf_trace_sched_process_exec+0x860/0x860
[  858.646701]  ? xa_load+0x2ba/0x460
[  858.650253]  ? lock_downgrade+0x900/0x900
[  858.654406]  ? __might_sleep+0x95/0x190
[  858.658387]  __alloc_pages_nodemask+0xa7b/0xdd0
[  858.663065]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  858.668081]  ? __page_cache_alloc+0x177/0x570
[  858.672576]  ? xa_load+0x2e1/0x460
[  858.676123]  ? xa_clear_mark+0x40/0x40
[  858.680012]  ? graph_lock+0x270/0x270
[  858.683834]  ? graph_lock+0x270/0x270
[  858.687638]  ? graph_lock+0x270/0x270
[  858.691438]  ? __do_page_cache_readahead+0x663/0x810
[  858.696546]  ? find_held_lock+0x36/0x1c0
[  858.700613]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  858.706162]  alloc_pages_current+0x173/0x350
[  858.710580]  __page_cache_alloc+0x3ce/0x570
[  858.714919]  ? kasan_check_read+0x11/0x20
[  858.719079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.724353]  ? generic_perform_write+0x6a0/0x6a0
[  858.729206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.734748]  ? check_preemption_disabled+0x48/0x280
[  858.739851]  filemap_fault+0x1595/0x25f0
[  858.743940]  ? __lock_page_or_retry+0xa00/0xa00
[  858.748615]  ? mark_held_locks+0x130/0x130
[  858.752876]  ? filemap_map_pages+0xd6b/0x1a20
[  858.757376]  ? lock_downgrade+0x900/0x900
[  858.761522]  ? check_preemption_disabled+0x48/0x280
[  858.766547]  ? kasan_check_read+0x11/0x20
[  858.770717]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.776009]  ? rcu_read_unlock_special+0x370/0x370
[  858.780951]  ? filemap_map_pages+0xd92/0x1a20
[  858.785494]  ? find_get_entries_tag+0x1400/0x1400
[  858.790356]  ? debug_object_destroy+0x2b0/0x2b0
[  858.795047]  ? lock_pi_update_atomic+0x150/0x150
[  858.799804]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  858.805387]  ? lock_acquire+0x1ed/0x520
[  858.809382]  ? ext4_filemap_fault+0x7a/0xad
[  858.813714]  ? lock_release+0xa10/0xa10
[  858.817687]  ? perf_trace_sched_process_exec+0x860/0x860
[  858.823180]  ? print_usage_bug+0xc0/0xc0
[  858.827249]  ? print_usage_bug+0xc0/0xc0
[  858.831324]  ? down_read+0x8d/0x120
[  858.834952]  ? ext4_filemap_fault+0x7a/0xad
[  858.839272]  ? __down_interruptible+0x700/0x700
[  858.843956]  ext4_filemap_fault+0x82/0xad
[  858.848126]  __do_fault+0x100/0x6b0
[  858.851763]  ? do_futex+0x1df/0x26d0
[  858.855482]  ? pmd_devmap_trans_unstable+0x220/0x220
[  858.860589]  ? mark_held_locks+0x130/0x130
[  858.864826]  ? mark_held_locks+0x130/0x130
[  858.869069]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.874616]  __handle_mm_fault+0x3ea0/0x5be0
[  858.879020]  ? perf_trace_lock+0x7a0/0x7a0
[  858.883275]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  858.888131]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  858.892739]  ? graph_lock+0x270/0x270
[  858.896541]  ? graph_lock+0x270/0x270
[  858.900337]  ? __x64_sys_futex+0x53e/0x6a0
[  858.904574]  ? find_held_lock+0x36/0x1c0
[  858.908649]  ? handle_mm_fault+0x42a/0xc70
[  858.912885]  ? lock_downgrade+0x900/0x900
[  858.917045]  ? check_preemption_disabled+0x48/0x280
[  858.922064]  ? kasan_check_read+0x11/0x20
[  858.926219]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  858.931498]  ? rcu_read_unlock_special+0x370/0x370
[  858.936427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  858.942102]  ? check_preemption_disabled+0x48/0x280
[  858.947121]  handle_mm_fault+0x54f/0xc70
[  858.951189]  ? __handle_mm_fault+0x5be0/0x5be0
[  858.955787]  ? find_vma+0x34/0x190
[  858.959334]  __do_page_fault+0x5d6/0xe40
[  858.963397]  ? trace_hardirqs_off+0xb8/0x310
[  858.967815]  do_page_fault+0xed/0x7d1
[  858.971621]  ? vmalloc_sync_all+0x30/0x30
[  858.975772]  ? error_entry+0x70/0xd0
[  858.979488]  ? trace_hardirqs_off_caller+0xbb/0x300
[  858.984511]  ? trace_hardirqs_on_caller+0xc0/0x310
[  858.989444]  ? syscall_return_slowpath+0x5e0/0x5e0
[  858.994370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  858.999235]  ? trace_hardirqs_on_caller+0x310/0x310
[  859.004254]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  859.009716]  ? prepare_exit_to_usermode+0x291/0x3b0
[  859.014754]  ? page_fault+0x8/0x30
[  859.018296]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  859.023137]  ? page_fault+0x8/0x30
[  859.026684]  page_fault+0x1e/0x30
[  859.030140] RIP: 0033:0x45ddf3
[  859.033346] Code: Bad RIP value.
[  859.036704] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  859.042063] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  859.049342] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  859.056607] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  859.063974] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  859.071237] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  859.079009] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  859.079015] warn_alloc_show_mem: 1 callbacks suppressed
[  859.079022] Mem-Info:
[  859.087094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  859.092462] active_anon:129018 inactive_anon:195 isolated_anon:0
[  859.092462]  active_file:12 inactive_file:15 isolated_file:0
[  859.092462]  unevictable:1 dirty:0 writeback:0 unstable:0
[  859.092462]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  859.092462]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  859.092462]  free:13741 free_pcp:161 free_cma:0
[  859.094829] Call Trace:
[  859.104235] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  859.137263]  dump_stack+0x244/0x39d
[  859.139822] 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
[  859.167398]  ? dump_stack_print_info.cold.1+0x20/0x20
[  859.171001] lowmem_reserve[]: 0 2818 6321 6321
[  859.197112]  warn_alloc.cold.116+0xb7/0x1bd
[  859.202275] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  859.206849]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  859.211144] lowmem_reserve[]: 0 0 3503 3503
[  859.238549]  ? lock_downgrade+0x900/0x900
[  859.243362] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  859.247681]  ? trace_hardirqs_off+0xb8/0x310
[  859.251796] lowmem_reserve[]: 0 0 0 0
[  859.280676]  ? trace_hardirqs_off+0xb8/0x310
[  859.285057] 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
[  859.288874]  __alloc_pages_slowpath+0x26fe/0x2e30
[  859.293263] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  859.306818]  ? warn_alloc+0x120/0x120
[  859.311612] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  859.325997]  ? warn_alloc+0x120/0x120
[  859.329779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  859.345023]  ? warn_alloc+0x120/0x120
[  859.348803] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  859.357628]  ? print_usage_bug+0xc0/0xc0
[  859.361402] 296 total pagecache pages
[  859.369985]  ? print_usage_bug+0xc0/0xc0
[  859.374030] 0 pages in swap cache
[  859.377816]  ? mark_held_locks+0x130/0x130
[  859.381858] Swap cache stats: add 0, delete 0, find 0/0
[  859.385306]  ? mark_held_locks+0x130/0x130
[  859.389516] Free swap  = 0kB
[  859.394872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.399075] Total swap = 0kB
[  859.402121]  ? should_fail+0x22d/0xd01
[  859.407643] 1965979 pages RAM
[  859.410680]  ? graph_lock+0x270/0x270
[  859.414544] 0 pages HighMem/MovableOnly
[  859.417641]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  859.421419] 342854 pages reserved
[  859.425390]  ? __lock_acquire+0x62f/0x4c20
[  859.430472] 0 pages cma reserved
[  859.433918]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  859.438210] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  859.441477]  ? __lock_acquire+0x62f/0x4c20
[  859.441489]  ? should_fail+0x22d/0xd01
[  859.441513]  ? mark_held_locks+0x130/0x130
[  859.446661] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  859.453076]  ? mark_held_locks+0x130/0x130
[  859.457287] syz-fuzzer cpuset=/ mems_allowed=0
[  859.461168]  ? lock_downgrade+0x900/0x900
[  859.488503]  ? graph_lock+0x270/0x270
[  859.492309]  ? graph_lock+0x270/0x270
[  859.496112]  ? graph_lock+0x270/0x270
[  859.499926]  ? do_raw_spin_unlock+0xa7/0x330
[  859.504364]  ? trace_hardirqs_on+0x310/0x310
[  859.508771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.514310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.519849]  ? check_preemption_disabled+0x48/0x280
[  859.524873]  ? __lock_is_held+0xb5/0x140
[  859.528936]  __alloc_pages_nodemask+0xa7b/0xdd0
[  859.533624]  ? graph_lock+0x270/0x270
[  859.537432]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  859.542465]  ? find_held_lock+0x36/0x1c0
[  859.546539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  859.551222]  ? lock_downgrade+0x900/0x900
[  859.555395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.560939]  cache_grow_begin+0xa5/0x8c0
[  859.565000]  ? do_raw_spin_unlock+0xa7/0x330
[  859.569415]  fallback_alloc+0x204/0x2e0
[  859.573396]  ____cache_alloc_node+0x1c7/0x1e0
[  859.577894]  kmem_cache_alloc_node+0xe3/0x730
[  859.582387]  ? lockdep_hardirqs_on+0x296/0x5b0
[  859.586981]  __alloc_skb+0x114/0x770
[  859.590692]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  859.596060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  859.600474]  ? vprintk_default+0x28/0x30
[  859.604539]  ? vprintk_func+0x85/0x181
[  859.608427]  ? printk+0xa7/0xcf
[  859.611707]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  859.616465]  ? do_raw_spin_trylock+0x270/0x270
[  859.621055]  new_skb+0x26/0x1c0
[  859.624336]  aoecmd_cfg+0x279/0x7f0
[  859.627968]  ? find_held_lock+0x36/0x1c0
[  859.632034]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  859.636363]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.641911]  ? __lock_is_held+0xb5/0x140
[  859.645985]  discover_timer+0x50/0x60
[  859.649801]  call_timer_fn+0x26d/0x920
[  859.653704]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.658550]  ? process_timeout+0x40/0x40
[  859.662622]  ? __run_timers+0x7d5/0xc60
[  859.666600]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.671098]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.675591]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.680437]  ? lockdep_hardirqs_on+0x296/0x5b0
[  859.685025]  ? trace_hardirqs_on+0xbd/0x310
[  859.689361]  ? kasan_check_read+0x11/0x20
[  859.693524]  ? __run_timers+0x7d5/0xc60
[  859.697503]  ? trace_hardirqs_off_caller+0x300/0x300
[  859.702620]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  859.707474]  __run_timers+0x7e0/0xc60
[  859.711296]  ? timer_fixup_init+0x70/0x70
[  859.715456]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.719970]  ? _raw_spin_unlock_irq+0x27/0x80
[  859.724470]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  859.729052]  ? trace_hardirqs_on+0xbd/0x310
[  859.733378]  ? kasan_check_read+0x11/0x20
[  859.737529]  ? finish_task_switch+0x1f4/0x920
[  859.742026]  ? trace_hardirqs_off_caller+0x300/0x300
[  859.747133]  ? compat_start_thread+0x80/0x80
[  859.751567]  ? pvclock_read_flags+0x160/0x160
[  859.756065]  ? __switch_to_asm+0x34/0x70
[  859.760128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.765677]  ? check_preemption_disabled+0x48/0x280
[  859.770705]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  859.776280]  ? rcu_pm_notify+0xc0/0xc0
[  859.780242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  859.785812]  ? check_preemption_disabled+0x48/0x280
[  859.790874]  run_timer_softirq+0x52/0xb0
[  859.794951]  ? rcu_read_lock_sched_held+0x14f/0x180
[  859.799968]  __do_softirq+0x308/0xb7e
[  859.803783]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  859.808550]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  859.813666]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  859.818437]  ? trace_hardirqs_off+0xb8/0x310
[  859.822848]  ? smpboot_thread_fn+0x68b/0xa00
[  859.827260]  ? trace_hardirqs_on+0x310/0x310
[  859.831676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.837228]  ? check_preemption_disabled+0x48/0x280
[  859.842254]  ? takeover_tasklets+0xa90/0xa90
[  859.846668]  run_ksoftirqd+0x5e/0x100
[  859.850488]  smpboot_thread_fn+0x68b/0xa00
[  859.854726]  ? sort_range+0x30/0x30
[  859.858359]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  859.863465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.869005]  ? __kthread_parkme+0xfb/0x1a0
[  859.873251]  ? sort_range+0x30/0x30
[  859.876878]  kthread+0x35a/0x440
[  859.880246]  ? kthread_stop+0x8f0/0x8f0
[  859.884249]  ret_from_fork+0x3a/0x50
[  859.888003] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  859.888118] aoe: skb alloc failure
[  859.896231] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  859.896236] Call Trace:
[  859.896243]  <IRQ>
[  859.896262]  dump_stack+0x244/0x39d
[  859.896282]  ? dump_stack_print_info.cold.1+0x20/0x20
[  859.899880] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  859.909182]  warn_alloc.cold.116+0xb7/0x1bd
[  859.911729] ksoftirqd/0 cpuset=/ mems_allowed=0
[  859.913868]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  859.946734]  ? lock_downgrade+0x900/0x900
[  859.950897]  ? trace_hardirqs_off+0xb8/0x310
[  859.955329]  ? trace_hardirqs_off+0xb8/0x310
[  859.959777]  __alloc_pages_slowpath+0x26fe/0x2e30
[  859.964691]  ? warn_alloc+0x120/0x120
[  859.968511]  ? print_usage_bug+0xc0/0xc0
[  859.972580]  ? warn_alloc+0x120/0x120
[  859.976394]  ? warn_alloc+0x120/0x120
[  859.980216]  ? print_usage_bug+0xc0/0xc0
[  859.984289]  ? print_usage_bug+0xc0/0xc0
[  859.988362]  ? __lock_acquire+0x62f/0x4c20
[  859.992612]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  859.998175]  ? should_fail+0x22d/0xd01
[  860.002100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  860.007237]  ? __lock_acquire+0x62f/0x4c20
[  860.011490]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  860.016607]  ? __lock_acquire+0x62f/0x4c20
[  860.020854]  ? should_fail+0x22d/0xd01
[  860.024755]  ? find_held_lock+0x36/0x1c0
[  860.028836]  ? mark_held_locks+0x130/0x130
[  860.033085]  ? mark_held_locks+0x130/0x130
[  860.037323]  ? graph_lock+0x270/0x270
[  860.041136]  ? graph_lock+0x270/0x270
[  860.044948]  ? print_usage_bug+0xc0/0xc0
[  860.049016]  ? do_raw_spin_unlock+0xa7/0x330
[  860.053432]  ? graph_lock+0x270/0x270
[  860.057240]  ? print_usage_bug+0xc0/0xc0
[  860.061307]  ? wq_watchdog_touch+0x9c/0xfe
[  860.065556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.071098]  ? check_preemption_disabled+0x48/0x280
[  860.076132]  ? __lock_is_held+0xb5/0x140
[  860.080215]  __alloc_pages_nodemask+0xa7b/0xdd0
[  860.084897]  ? graph_lock+0x270/0x270
[  860.088762]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  860.093801]  ? find_held_lock+0x36/0x1c0
[  860.097901]  ? ____cache_alloc_node+0x1c7/0x1e0
[  860.102582]  ? lock_downgrade+0x900/0x900
[  860.106749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.112311]  cache_grow_begin+0xa5/0x8c0
[  860.116414]  ? do_raw_spin_unlock+0xa7/0x330
[  860.120868]  fallback_alloc+0x204/0x2e0
[  860.124866]  ____cache_alloc_node+0x1c7/0x1e0
[  860.129387]  kmem_cache_alloc_node+0xe3/0x730
[  860.133902]  ? ipv6_get_ifaddr+0x42e/0x620
[  860.138163]  __alloc_skb+0x114/0x770
[  860.141900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  860.147230]  ? netdev_alloc_frag+0x1f0/0x1f0
[  860.151670]  ? lock_downgrade+0x900/0x900
[  860.155859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.161434]  ? refcount_sub_and_test_checked+0x203/0x310
[  860.166927]  ? refcount_dec_if_one+0x180/0x180
[  860.171536]  ? addrconf_rs_timer+0x690/0x690
[  860.175985]  ndisc_alloc_skb+0x144/0x340
[  860.180075]  ndisc_send_rs+0x331/0x6e0
[  860.183991]  addrconf_rs_timer+0x314/0x690
[  860.188261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  860.192525]  call_timer_fn+0x26d/0x920
[  860.196433]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  860.200683]  ? process_timeout+0x40/0x40
[  860.204779]  ? mark_held_locks+0xc7/0x130
[  860.208962]  ? _raw_spin_unlock_irq+0x27/0x80
[  860.213477]  ? _raw_spin_unlock_irq+0x27/0x80
[  860.218001]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  860.222261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  860.226867]  ? trace_hardirqs_on+0xbd/0x310
[  860.231226]  ? kasan_check_read+0x11/0x20
[  860.235390]  ? __run_timers+0x7d5/0xc60
[  860.239387]  ? trace_hardirqs_off_caller+0x300/0x300
[  860.244511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  860.248766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  860.253019]  __run_timers+0x7e0/0xc60
[  860.256844]  ? timer_fixup_init+0x70/0x70
[  860.261012]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  860.266062]  ? graph_lock+0x270/0x270
[  860.269887]  ? print_usage_bug+0xc0/0xc0
[  860.273968]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  860.279186]  ? find_held_lock+0x36/0x1c0
[  860.283275]  ? graph_lock+0x270/0x270
[  860.287092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.292645]  ? check_preemption_disabled+0x48/0x280
[  860.297737]  ? __lock_is_held+0xb5/0x140
[  860.301814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.307373]  ? check_preemption_disabled+0x48/0x280
[  860.312413]  run_timer_softirq+0x52/0xb0
[  860.316489]  ? rcu_read_lock_sched_held+0x14f/0x180
[  860.321522]  __do_softirq+0x308/0xb7e
[  860.325338]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  860.329842]  ? lock_downgrade+0x900/0x900
[  860.334008]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  860.339131]  ? pvclock_read_flags+0x160/0x160
[  860.343660]  ? lapic_next_event+0x5a/0x90
[  860.347854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.353408]  ? kvm_clock_read+0x18/0x30
[  860.357392]  ? kvm_sched_clock_read+0x9/0x20
[  860.361816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  860.367367]  ? check_preemption_disabled+0x48/0x280
[  860.372410]  irq_exit+0x17f/0x1c0
[  860.375871]  smp_apic_timer_interrupt+0x1cb/0x760
[  860.380736]  ? smp_reschedule_interrupt+0x109/0x650
[  860.385800]  ? smp_call_function_single_interrupt+0x640/0x640
[  860.391701]  ? interrupt_entry+0xb5/0xc0
[  860.395794]  ? trace_hardirqs_off_caller+0xbb/0x300
[  860.400834]  ? trace_hardirqs_off_caller+0xbb/0x300
[  860.405866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.410729]  ? trace_hardirqs_on_caller+0x310/0x310
[  860.415785]  ? trace_hardirqs_on_caller+0x310/0x310
[  860.420826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  860.425738]  apic_timer_interrupt+0xf/0x20
[  860.429977]  </IRQ>
[  860.432253] RIP: 0010:dump_stack+0x358/0x39d
[  860.436670] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  860.455590] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  860.463348] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  860.470653] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  860.477940] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  860.485262] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  860.492548] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  860.499862]  ? dump_stack+0x34f/0x39d
[  860.503714]  ? dump_stack_print_info.cold.1+0x20/0x20
[  860.508926]  ? mark_held_locks+0x130/0x130
[  860.513177]  ? mark_held_locks+0x130/0x130
[  860.517441]  dump_header+0x27b/0xf72
[  860.521179]  ? pagefault_out_of_memory+0x197/0x197
[  860.526146]  ? mark_held_locks+0x130/0x130
[  860.530412]  ? __lock_acquire+0x62f/0x4c20
[  860.534673]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  860.539440]  ? print_usage_bug+0xc0/0xc0
[  860.543517]  ? graph_lock+0x270/0x270
[  860.547323]  ? graph_lock+0x270/0x270
[  860.551152]  ? print_usage_bug+0xc0/0xc0
[  860.555222]  ? print_usage_bug+0xc0/0xc0
[  860.559296]  ? graph_lock+0x270/0x270
[  860.563137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.568692]  ? find_held_lock+0x36/0x1c0
[  860.572814]  ? mark_held_locks+0xc7/0x130
[  860.576983]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  860.582117]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  860.587273]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  860.591903]  ? trace_hardirqs_on+0xbd/0x310
[  860.596265]  ? kasan_check_read+0x11/0x20
[  860.600425]  ? ___ratelimit+0x3b4/0x672
[  860.604411]  ? trace_hardirqs_off_caller+0x300/0x300
[  860.609538]  ? trace_hardirqs_on+0x310/0x310
[  860.613960]  ? lock_downgrade+0x900/0x900
[  860.618138]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  860.623271]  ? ___ratelimit+0x3b9/0x672
[  860.627277]  ? idr_get_free+0xf70/0xf70
[  860.631278]  ? kasan_check_read+0x11/0x20
[  860.635443]  ? do_raw_spin_unlock+0xa7/0x330
[  860.639886]  oom_kill_process.cold.27+0x10/0x903
[  860.644659]  ? graph_lock+0x270/0x270
[  860.648473]  ? _raw_spin_unlock+0x2c/0x50
[  860.652633]  ? oom_badness+0xe6/0xaa0
[  860.656447]  ? oom_evaluate_task+0x540/0x540
[  860.660870]  ? find_held_lock+0x36/0x1c0
[  860.664945]  ? out_of_memory+0x96f/0x1430
[  860.669123]  ? lock_downgrade+0x900/0x900
[  860.673281]  ? check_preemption_disabled+0x48/0x280
[  860.678318]  ? kasan_check_read+0x11/0x20
[  860.682477]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  860.687789]  ? rcu_read_unlock_special+0x370/0x370
[  860.692769]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  860.697794]  ? oom_evaluate_task+0x302/0x540
[  860.702236]  out_of_memory+0xa7f/0x1430
[  860.706238]  ? oom_killer_disable+0x3a0/0x3a0
[  860.710751]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  860.715714]  ? __ww_mutex_check_waiters+0x160/0x160
[  860.720786]  __alloc_pages_slowpath+0x236a/0x2e30
[  860.725674]  ? warn_alloc+0x120/0x120
[  860.729504]  ? mark_held_locks+0x130/0x130
[  860.733804]  ? find_get_entry+0xaae/0x1120
[  860.738060]  ? filemap_map_pages+0x1a20/0x1a20
[  860.742664]  ? graph_lock+0x270/0x270
[  860.746488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.752040]  ? check_preemption_disabled+0x48/0x280
[  860.757089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  860.762637]  ? should_fail+0x22d/0xd01
[  860.766544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  860.771678]  ? graph_lock+0x270/0x270
[  860.775519]  ? __lock_is_held+0xb5/0x140
[  860.779598]  ? mark_held_locks+0x130/0x130
[  860.783857]  ? lock_release+0xa10/0xa10
[  860.787852]  ? perf_trace_sched_process_exec+0x860/0x860
[  860.793322]  ? xa_load+0x2ba/0x460
[  860.796875]  ? lock_downgrade+0x900/0x900
[  860.801036]  ? __might_sleep+0x95/0x190
[  860.805042]  __alloc_pages_nodemask+0xa7b/0xdd0
[  860.809750]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  860.814776]  ? __page_cache_alloc+0x177/0x570
[  860.819284]  ? xa_load+0x2e1/0x460
[  860.822839]  ? xa_clear_mark+0x40/0x40
[  860.826742]  ? graph_lock+0x270/0x270
[  860.830572]  ? graph_lock+0x270/0x270
[  860.834381]  ? graph_lock+0x270/0x270
[  860.838188]  ? __do_page_cache_readahead+0x663/0x810
[  860.843321]  ? find_held_lock+0x36/0x1c0
[  860.847398]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  860.852956]  alloc_pages_current+0x173/0x350
[  860.857401]  __page_cache_alloc+0x3ce/0x570
[  860.861758]  ? kasan_check_read+0x11/0x20
[  860.865918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  860.871246]  ? generic_perform_write+0x6a0/0x6a0
[  860.876024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  860.881598]  ? check_preemption_disabled+0x48/0x280
[  860.886641]  filemap_fault+0x1595/0x25f0
[  860.890736]  ? __lock_page_or_retry+0xa00/0xa00
[  860.895428]  ? mark_held_locks+0x130/0x130
[  860.899706]  ? filemap_map_pages+0xd6b/0x1a20
[  860.904246]  ? lock_downgrade+0x900/0x900
[  860.908407]  ? check_preemption_disabled+0x48/0x280
[  860.913453]  ? kasan_check_read+0x11/0x20
[  860.917616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  860.922906]  ? rcu_read_unlock_special+0x370/0x370
[  860.927863]  ? filemap_map_pages+0xd92/0x1a20
[  860.932397]  ? find_get_entries_tag+0x1400/0x1400
[  860.937261]  ? debug_object_destroy+0x2b0/0x2b0
[  860.942105]  ? lock_pi_update_atomic+0x150/0x150
[  860.946864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  860.952432]  ? lock_acquire+0x1ed/0x520
[  860.956419]  ? ext4_filemap_fault+0x7a/0xad
[  860.960776]  ? lock_release+0xa10/0xa10
[  860.964773]  ? perf_trace_sched_process_exec+0x860/0x860
[  860.970262]  ? print_usage_bug+0xc0/0xc0
[  860.974348]  ? print_usage_bug+0xc0/0xc0
[  860.978448]  ? down_read+0x8d/0x120
[  860.982083]  ? ext4_filemap_fault+0x7a/0xad
[  860.986449]  ? __down_interruptible+0x700/0x700
[  860.991137]  ext4_filemap_fault+0x82/0xad
[  860.995321]  __do_fault+0x100/0x6b0
[  860.998965]  ? do_futex+0x1df/0x26d0
[  861.002708]  ? pmd_devmap_trans_unstable+0x220/0x220
[  861.007849]  ? mark_held_locks+0x130/0x130
[  861.012104]  ? mark_held_locks+0x130/0x130
[  861.016369]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.021930]  __handle_mm_fault+0x3ea0/0x5be0
[  861.026356]  ? perf_trace_lock+0x7a0/0x7a0
[  861.030627]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  861.035503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  861.040130]  ? graph_lock+0x270/0x270
[  861.043939]  ? graph_lock+0x270/0x270
[  861.047766]  ? __x64_sys_futex+0x53e/0x6a0
[  861.052021]  ? find_held_lock+0x36/0x1c0
[  861.056104]  ? handle_mm_fault+0x42a/0xc70
[  861.060352]  ? lock_downgrade+0x900/0x900
[  861.064507]  ? check_preemption_disabled+0x48/0x280
[  861.069548]  ? kasan_check_read+0x11/0x20
[  861.073950]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  861.079264]  ? rcu_read_unlock_special+0x370/0x370
[  861.084232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.089784]  ? check_preemption_disabled+0x48/0x280
[  861.094819]  handle_mm_fault+0x54f/0xc70
[  861.098911]  ? __handle_mm_fault+0x5be0/0x5be0
[  861.103511]  ? find_vma+0x34/0x190
[  861.107064]  __do_page_fault+0x5d6/0xe40
[  861.111137]  ? trace_hardirqs_off+0xb8/0x310
[  861.115573]  do_page_fault+0xed/0x7d1
[  861.119386]  ? vmalloc_sync_all+0x30/0x30
[  861.123552]  ? error_entry+0x70/0xd0
[  861.127282]  ? trace_hardirqs_off_caller+0xbb/0x300
[  861.132311]  ? trace_hardirqs_on_caller+0xc0/0x310
[  861.137257]  ? syscall_return_slowpath+0x5e0/0x5e0
[  861.142207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  861.147069]  ? trace_hardirqs_on_caller+0x310/0x310
[  861.152097]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  861.157572]  ? prepare_exit_to_usermode+0x291/0x3b0
[  861.162607]  ? page_fault+0x8/0x30
[  861.166164]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  861.171038]  ? page_fault+0x8/0x30
[  861.174586]  page_fault+0x1e/0x30
[  861.178047] RIP: 0033:0x45ddf3
[  861.181279] Code: Bad RIP value.
[  861.184650] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  861.190019] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  861.197298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  861.204579] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  861.211866] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  861.219242] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  861.226551] warn_alloc_show_mem: 1 callbacks suppressed
[  861.226564] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  861.226565] Mem-Info:
[  861.226598] active_anon:129018 inactive_anon:195 isolated_anon:0
[  861.226598]  active_file:12 inactive_file:15 isolated_file:0
[  861.226598]  unevictable:1 dirty:0 writeback:0 unstable:0
[  861.226598]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  861.226598]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  861.226598]  free:13741 free_pcp:161 free_cma:0
[  861.231956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  861.240026] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  861.242432] Call Trace:
[  861.275491] 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
[  861.284901]  dump_stack+0x244/0x39d
[  861.312464] lowmem_reserve[]: 0 2818 6321 6321
[  861.315088]  ? dump_stack_print_info.cold.1+0x20/0x20
[  861.341177] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  861.344841]  warn_alloc.cold.116+0xb7/0x1bd
[  861.349383] lowmem_reserve[]: 0 0 3503 3503
[  861.354583]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  861.381985] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  861.386329]  ? lock_downgrade+0x900/0x900
[  861.390618] lowmem_reserve[]: 0 0 0 0
[  861.395478]  ? trace_hardirqs_off+0xb8/0x310
[  861.424350] 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
[  861.428555]  ? trace_hardirqs_off+0xb8/0x310
[  861.432299] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  861.436715]  __alloc_pages_slowpath+0x26fe/0x2e30
[  861.450248] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  861.454701]  ? warn_alloc+0x120/0x120
[  861.469074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  861.473947]  ? warn_alloc+0x120/0x120
[  861.489192] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  861.493015]  ? warn_alloc+0x120/0x120
[  861.501830] 296 total pagecache pages
[  861.505677]  ? print_usage_bug+0xc0/0xc0
[  861.514238] 0 pages in swap cache
[  861.518050]  ? print_usage_bug+0xc0/0xc0
[  861.521832] Swap cache stats: add 0, delete 0, find 0/0
[  861.525910]  ? mark_held_locks+0x130/0x130
[  861.529336] Free swap  = 0kB
[  861.533397]  ? mark_held_locks+0x130/0x130
[  861.538736] Total swap = 0kB
[  861.542978]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.545964] 1965979 pages RAM
[  861.550208]  ? should_fail+0x22d/0xd01
[  861.553211] 0 pages HighMem/MovableOnly
[  861.553217] 342854 pages reserved
[  861.553221] 0 pages cma reserved
[  861.558764]  ? graph_lock+0x270/0x270
[  861.561931] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  861.565742]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  861.569826] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  861.573137]  ? __lock_acquire+0x62f/0x4c20
[  861.576476] syz-fuzzer cpuset=/ mems_allowed=0
[  861.580281]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  861.615985]  ? __lock_acquire+0x62f/0x4c20
[  861.620237]  ? should_fail+0x22d/0xd01
[  861.624158]  ? mark_held_locks+0x130/0x130
[  861.628400]  ? mark_held_locks+0x130/0x130
[  861.632641]  ? lock_downgrade+0x900/0x900
[  861.636799]  ? graph_lock+0x270/0x270
[  861.640608]  ? graph_lock+0x270/0x270
[  861.644444]  ? do_raw_spin_unlock+0xa7/0x330
[  861.648862]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  861.653627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.659180]  ? check_preemption_disabled+0x48/0x280
[  861.664257]  ? __lock_is_held+0xb5/0x140
[  861.668338]  __alloc_pages_nodemask+0xa7b/0xdd0
[  861.673022]  ? graph_lock+0x270/0x270
[  861.676839]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  861.681877]  ? find_held_lock+0x36/0x1c0
[  861.685954]  ? ____cache_alloc_node+0x1c7/0x1e0
[  861.690635]  ? lock_downgrade+0x900/0x900
[  861.694798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.700351]  cache_grow_begin+0xa5/0x8c0
[  861.704438]  ? do_raw_spin_unlock+0xa7/0x330
[  861.708867]  fallback_alloc+0x204/0x2e0
[  861.712856]  ____cache_alloc_node+0x1c7/0x1e0
[  861.717377]  kmem_cache_alloc_node+0xe3/0x730
[  861.721920]  ? lockdep_hardirqs_on+0x296/0x5b0
[  861.726515]  __alloc_skb+0x114/0x770
[  861.730247]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  861.735625]  ? netdev_alloc_frag+0x1f0/0x1f0
[  861.740049]  ? vprintk_default+0x28/0x30
[  861.744115]  ? vprintk_func+0x85/0x181
[  861.748012]  ? printk+0xa7/0xcf
[  861.751298]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  861.756067]  ? do_raw_spin_trylock+0x270/0x270
[  861.760674]  new_skb+0x26/0x1c0
[  861.763960]  aoecmd_cfg+0x279/0x7f0
[  861.767599]  ? find_held_lock+0x36/0x1c0
[  861.771672]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  861.776007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.781566]  ? __lock_is_held+0xb5/0x140
[  861.785645]  discover_timer+0x50/0x60
[  861.789449]  call_timer_fn+0x26d/0x920
[  861.793342]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.798188]  ? process_timeout+0x40/0x40
[  861.802302]  ? __run_timers+0x7d5/0xc60
[  861.806290]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.810790]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.815302]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.820146]  ? lockdep_hardirqs_on+0x296/0x5b0
[  861.824735]  ? trace_hardirqs_on+0xbd/0x310
[  861.829059]  ? kasan_check_read+0x11/0x20
[  861.833227]  ? __run_timers+0x7d5/0xc60
[  861.837226]  ? trace_hardirqs_off_caller+0x300/0x300
[  861.842354]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  861.847219]  __run_timers+0x7e0/0xc60
[  861.851036]  ? timer_fixup_init+0x70/0x70
[  861.855222]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.859727]  ? _raw_spin_unlock_irq+0x27/0x80
[  861.864275]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  861.868866]  ? trace_hardirqs_on+0xbd/0x310
[  861.873193]  ? kasan_check_read+0x11/0x20
[  861.877368]  ? finish_task_switch+0x1f4/0x920
[  861.881874]  ? trace_hardirqs_off_caller+0x300/0x300
[  861.886983]  ? compat_start_thread+0x80/0x80
[  861.891418]  ? pvclock_read_flags+0x160/0x160
[  861.895918]  ? __switch_to_asm+0x34/0x70
[  861.899993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.905536]  ? check_preemption_disabled+0x48/0x280
[  861.910568]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  861.916116]  ? rcu_pm_notify+0xc0/0xc0
[  861.920014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  861.925556]  ? check_preemption_disabled+0x48/0x280
[  861.930602]  run_timer_softirq+0x52/0xb0
[  861.934675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  861.939696]  __do_softirq+0x308/0xb7e
[  861.943509]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  861.948280]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  861.953402]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  861.958181]  ? trace_hardirqs_off+0xb8/0x310
[  861.962634]  ? smpboot_thread_fn+0x68b/0xa00
[  861.967050]  ? trace_hardirqs_on+0x310/0x310
[  861.971481]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  861.977028]  ? check_preemption_disabled+0x48/0x280
[  861.982051]  ? takeover_tasklets+0xa90/0xa90
[  861.986464]  run_ksoftirqd+0x5e/0x100
[  861.990271]  smpboot_thread_fn+0x68b/0xa00
[  861.994529]  ? sort_range+0x30/0x30
[  861.998166]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  862.003292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.008840]  ? __kthread_parkme+0xfb/0x1a0
[  862.013089]  ? sort_range+0x30/0x30
[  862.016744]  kthread+0x35a/0x440
[  862.020130]  ? kthread_stop+0x8f0/0x8f0
[  862.025086]  ret_from_fork+0x3a/0x50
[  862.028853] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  862.028954] aoe: skb alloc failure
[  862.037089] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  862.037100] Call Trace:
[  862.040764] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  862.049992]  <IRQ>
[  862.052580] ksoftirqd/0 cpuset=/ mems_allowed=0
[  862.062977]  dump_stack+0x244/0x39d
[  862.073423]  ? dump_stack_print_info.cold.1+0x20/0x20
[  862.078632]  warn_alloc.cold.116+0xb7/0x1bd
[  862.082973]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  862.087856]  ? lock_downgrade+0x900/0x900
[  862.092012]  ? trace_hardirqs_off+0xb8/0x310
[  862.096447]  ? trace_hardirqs_off+0xb8/0x310
[  862.100867]  __alloc_pages_slowpath+0x26fe/0x2e30
[  862.105748]  ? warn_alloc+0x120/0x120
[  862.109564]  ? print_usage_bug+0xc0/0xc0
[  862.113629]  ? warn_alloc+0x120/0x120
[  862.117439]  ? warn_alloc+0x120/0x120
[  862.121242]  ? print_usage_bug+0xc0/0xc0
[  862.125309]  ? kvm_clock_read+0x18/0x30
[  862.129323]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  862.134344]  ? print_usage_bug+0xc0/0xc0
[  862.138405]  ? __lock_acquire+0x62f/0x4c20
[  862.142646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.148187]  ? should_fail+0x22d/0xd01
[  862.152080]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.157363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  862.162470]  ? __lock_acquire+0x62f/0x4c20
[  862.166715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  862.171833]  ? __lock_acquire+0x62f/0x4c20
[  862.176060]  ? should_fail+0x22d/0xd01
[  862.179957]  ? rcu_irq_exit+0x1a2/0x390
[  862.183942]  ? mark_held_locks+0x130/0x130
[  862.188181]  ? mark_held_locks+0x130/0x130
[  862.192430]  ? mark_held_locks+0xc7/0x130
[  862.196577]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  862.201593]  ? graph_lock+0x270/0x270
[  862.205393]  ? print_usage_bug+0xc0/0xc0
[  862.209456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.214993]  ? check_preemption_disabled+0x48/0x280
[  862.220019]  ? __lock_is_held+0xb5/0x140
[  862.224091]  __alloc_pages_nodemask+0xa7b/0xdd0
[  862.228776]  ? graph_lock+0x270/0x270
[  862.232582]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  862.237614]  ? find_held_lock+0x36/0x1c0
[  862.241689]  ? ____cache_alloc_node+0x1c7/0x1e0
[  862.246363]  ? lock_downgrade+0x900/0x900
[  862.250524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.256066]  cache_grow_begin+0xa5/0x8c0
[  862.260131]  ? do_raw_spin_unlock+0xa7/0x330
[  862.264552]  fallback_alloc+0x204/0x2e0
[  862.268531]  ____cache_alloc_node+0x1c7/0x1e0
[  862.273032]  kmem_cache_alloc_node+0xe3/0x730
[  862.277530]  ? ipv6_get_ifaddr+0x42e/0x620
[  862.281777]  __alloc_skb+0x114/0x770
[  862.285493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.290788]  ? netdev_alloc_frag+0x1f0/0x1f0
[  862.295190]  ? lock_downgrade+0x900/0x900
[  862.299355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.304898]  ? refcount_sub_and_test_checked+0x203/0x310
[  862.310356]  ? refcount_dec_if_one+0x180/0x180
[  862.314942]  ? addrconf_rs_timer+0x690/0x690
[  862.319363]  ndisc_alloc_skb+0x144/0x340
[  862.323431]  ndisc_send_rs+0x331/0x6e0
[  862.327325]  addrconf_rs_timer+0x314/0x690
[  862.331564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  862.335805]  call_timer_fn+0x26d/0x920
[  862.339708]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  862.343949]  ? process_timeout+0x40/0x40
[  862.348037]  ? mark_held_locks+0xc7/0x130
[  862.352191]  ? _raw_spin_unlock_irq+0x27/0x80
[  862.356728]  ? _raw_spin_unlock_irq+0x27/0x80
[  862.361223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  862.365463]  ? lockdep_hardirqs_on+0x296/0x5b0
[  862.370067]  ? trace_hardirqs_on+0xbd/0x310
[  862.374412]  ? kasan_check_read+0x11/0x20
[  862.378558]  ? __run_timers+0x7d5/0xc60
[  862.382532]  ? trace_hardirqs_off_caller+0x300/0x300
[  862.387640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  862.391882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  862.396114]  __run_timers+0x7e0/0xc60
[  862.399941]  ? timer_fixup_init+0x70/0x70
[  862.404094]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  862.409112]  ? graph_lock+0x270/0x270
[  862.412917]  ? print_usage_bug+0xc0/0xc0
[  862.416998]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  862.422206]  ? find_held_lock+0x36/0x1c0
[  862.426272]  ? graph_lock+0x270/0x270
[  862.430076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.435628]  ? check_preemption_disabled+0x48/0x280
[  862.440700]  ? __lock_is_held+0xb5/0x140
[  862.444766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.450301]  ? check_preemption_disabled+0x48/0x280
[  862.455325]  run_timer_softirq+0x52/0xb0
[  862.459386]  ? rcu_read_lock_sched_held+0x14f/0x180
[  862.464426]  __do_softirq+0x308/0xb7e
[  862.468237]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  862.472736]  ? lock_downgrade+0x900/0x900
[  862.476886]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  862.481997]  ? pvclock_read_flags+0x160/0x160
[  862.486494]  ? lapic_next_event+0x5a/0x90
[  862.490642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.496186]  ? kvm_clock_read+0x18/0x30
[  862.500168]  ? kvm_sched_clock_read+0x9/0x20
[  862.504583]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.510115]  ? check_preemption_disabled+0x48/0x280
[  862.515139]  irq_exit+0x17f/0x1c0
[  862.518594]  smp_apic_timer_interrupt+0x1cb/0x760
[  862.523434]  ? smp_reschedule_interrupt+0x109/0x650
[  862.528462]  ? smp_call_function_single_interrupt+0x640/0x640
[  862.534347]  ? interrupt_entry+0xb5/0xc0
[  862.538411]  ? trace_hardirqs_off_caller+0xbb/0x300
[  862.543426]  ? trace_hardirqs_off_caller+0xbb/0x300
[  862.548448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  862.553292]  ? trace_hardirqs_on_caller+0x310/0x310
[  862.558350]  ? trace_hardirqs_on_caller+0x310/0x310
[  862.563397]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  862.568249]  apic_timer_interrupt+0xf/0x20
[  862.572478]  </IRQ>
[  862.574721] RIP: 0010:dump_stack+0x358/0x39d
[  862.579129] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  862.598028] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  862.605733] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  862.613001] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  862.620285] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  862.627549] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  862.634815] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  862.642143]  ? dump_stack+0x34f/0x39d
[  862.645959]  ? dump_stack_print_info.cold.1+0x20/0x20
[  862.651154]  ? mark_held_locks+0x130/0x130
[  862.655392]  ? mark_held_locks+0x130/0x130
[  862.659638]  dump_header+0x27b/0xf72
[  862.663366]  ? pagefault_out_of_memory+0x197/0x197
[  862.668305]  ? mark_held_locks+0x130/0x130
[  862.672540]  ? __lock_acquire+0x62f/0x4c20
[  862.676779]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  862.681537]  ? print_usage_bug+0xc0/0xc0
[  862.685607]  ? graph_lock+0x270/0x270
[  862.689409]  ? graph_lock+0x270/0x270
[  862.693225]  ? print_usage_bug+0xc0/0xc0
[  862.697289]  ? print_usage_bug+0xc0/0xc0
[  862.701352]  ? graph_lock+0x270/0x270
[  862.705162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.710742]  ? find_held_lock+0x36/0x1c0
[  862.714828]  ? mark_held_locks+0xc7/0x130
[  862.718998]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  862.724103]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  862.729218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  862.733805]  ? trace_hardirqs_on+0xbd/0x310
[  862.738127]  ? kasan_check_read+0x11/0x20
[  862.742278]  ? ___ratelimit+0x3b4/0x672
[  862.746255]  ? trace_hardirqs_off_caller+0x300/0x300
[  862.751375]  ? trace_hardirqs_on+0x310/0x310
[  862.755783]  ? lock_downgrade+0x900/0x900
[  862.759943]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  862.765048]  ? ___ratelimit+0x3b9/0x672
[  862.769021]  ? idr_get_free+0xf70/0xf70
[  862.772995]  ? kasan_check_read+0x11/0x20
[  862.777139]  ? do_raw_spin_unlock+0xa7/0x330
[  862.781561]  oom_kill_process.cold.27+0x10/0x903
[  862.786314]  ? graph_lock+0x270/0x270
[  862.790124]  ? _raw_spin_unlock+0x2c/0x50
[  862.794273]  ? oom_badness+0xe6/0xaa0
[  862.798078]  ? oom_evaluate_task+0x540/0x540
[  862.802490]  ? find_held_lock+0x36/0x1c0
[  862.806558]  ? out_of_memory+0x96f/0x1430
[  862.810730]  ? lock_downgrade+0x900/0x900
[  862.814888]  ? check_preemption_disabled+0x48/0x280
[  862.819914]  ? kasan_check_read+0x11/0x20
[  862.824059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  862.829337]  ? rcu_read_unlock_special+0x370/0x370
[  862.834268]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  862.839286]  ? oom_evaluate_task+0x302/0x540
[  862.843702]  out_of_memory+0xa7f/0x1430
[  862.847690]  ? oom_killer_disable+0x3a0/0x3a0
[  862.852191]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  862.857131]  ? __ww_mutex_check_waiters+0x160/0x160
[  862.862160]  __alloc_pages_slowpath+0x236a/0x2e30
[  862.867034]  ? warn_alloc+0x120/0x120
[  862.870832]  ? mark_held_locks+0x130/0x130
[  862.875087]  ? find_get_entry+0xaae/0x1120
[  862.879331]  ? filemap_map_pages+0x1a20/0x1a20
[  862.883917]  ? graph_lock+0x270/0x270
[  862.887732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  862.893275]  ? check_preemption_disabled+0x48/0x280
[  862.898309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  862.903846]  ? should_fail+0x22d/0xd01
[  862.907739]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  862.912846]  ? graph_lock+0x270/0x270
[  862.916670]  ? __lock_is_held+0xb5/0x140
[  862.920742]  ? mark_held_locks+0x130/0x130
[  862.924982]  ? lock_release+0xa10/0xa10
[  862.928959]  ? perf_trace_sched_process_exec+0x860/0x860
[  862.934414]  ? xa_load+0x2ba/0x460
[  862.937958]  ? lock_downgrade+0x900/0x900
[  862.942340]  ? __might_sleep+0x95/0x190
[  862.946338]  __alloc_pages_nodemask+0xa7b/0xdd0
[  862.951011]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  862.956041]  ? __page_cache_alloc+0x177/0x570
[  862.960532]  ? xa_load+0x2e1/0x460
[  862.964088]  ? xa_clear_mark+0x40/0x40
[  862.967982]  ? graph_lock+0x270/0x270
[  862.971796]  ? graph_lock+0x270/0x270
[  862.975603]  ? graph_lock+0x270/0x270
[  862.979433]  ? __do_page_cache_readahead+0x663/0x810
[  862.984541]  ? find_held_lock+0x36/0x1c0
[  862.988605]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  862.994154]  alloc_pages_current+0x173/0x350
[  862.998569]  __page_cache_alloc+0x3ce/0x570
[  863.002912]  ? kasan_check_read+0x11/0x20
[  863.007077]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  863.012373]  ? generic_perform_write+0x6a0/0x6a0
[  863.017131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.022675]  ? check_preemption_disabled+0x48/0x280
[  863.027725]  filemap_fault+0x1595/0x25f0
[  863.031818]  ? __lock_page_or_retry+0xa00/0xa00
[  863.036489]  ? mark_held_locks+0x130/0x130
[  863.040752]  ? filemap_map_pages+0xd6b/0x1a20
[  863.045250]  ? lock_downgrade+0x900/0x900
[  863.049398]  ? check_preemption_disabled+0x48/0x280
[  863.054454]  ? kasan_check_read+0x11/0x20
[  863.058599]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  863.063902]  ? rcu_read_unlock_special+0x370/0x370
[  863.068842]  ? filemap_map_pages+0xd92/0x1a20
[  863.073786]  ? find_get_entries_tag+0x1400/0x1400
[  863.078635]  ? debug_object_destroy+0x2b0/0x2b0
[  863.083306]  ? lock_pi_update_atomic+0x150/0x150
[  863.088064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.093632]  ? lock_acquire+0x1ed/0x520
[  863.097606]  ? ext4_filemap_fault+0x7a/0xad
[  863.101944]  ? lock_release+0xa10/0xa10
[  863.105919]  ? perf_trace_sched_process_exec+0x860/0x860
[  863.111372]  ? print_usage_bug+0xc0/0xc0
[  863.115439]  ? print_usage_bug+0xc0/0xc0
[  863.119511]  ? down_read+0x8d/0x120
[  863.123135]  ? ext4_filemap_fault+0x7a/0xad
[  863.127458]  ? __down_interruptible+0x700/0x700
[  863.132139]  ext4_filemap_fault+0x82/0xad
[  863.136317]  __do_fault+0x100/0x6b0
[  863.139944]  ? do_futex+0x1df/0x26d0
[  863.143661]  ? pmd_devmap_trans_unstable+0x220/0x220
[  863.148779]  ? mark_held_locks+0x130/0x130
[  863.153018]  ? mark_held_locks+0x130/0x130
[  863.157284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.162823]  __handle_mm_fault+0x3ea0/0x5be0
[  863.167245]  ? perf_trace_lock+0x7a0/0x7a0
[  863.171488]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  863.176345]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  863.180942]  ? graph_lock+0x270/0x270
[  863.184742]  ? graph_lock+0x270/0x270
[  863.188541]  ? __x64_sys_futex+0x53e/0x6a0
[  863.192797]  ? find_held_lock+0x36/0x1c0
[  863.196883]  ? handle_mm_fault+0x42a/0xc70
[  863.201118]  ? lock_downgrade+0x900/0x900
[  863.205280]  ? check_preemption_disabled+0x48/0x280
[  863.210305]  ? kasan_check_read+0x11/0x20
[  863.214447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  863.219726]  ? rcu_read_unlock_special+0x370/0x370
[  863.224653]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.230188]  ? check_preemption_disabled+0x48/0x280
[  863.235241]  handle_mm_fault+0x54f/0xc70
[  863.239310]  ? __handle_mm_fault+0x5be0/0x5be0
[  863.243898]  ? find_vma+0x34/0x190
[  863.247445]  __do_page_fault+0x5d6/0xe40
[  863.251503]  ? trace_hardirqs_off+0xb8/0x310
[  863.255938]  do_page_fault+0xed/0x7d1
[  863.259739]  ? vmalloc_sync_all+0x30/0x30
[  863.263905]  ? error_entry+0x70/0xd0
[  863.267641]  ? trace_hardirqs_off_caller+0xbb/0x300
[  863.272664]  ? trace_hardirqs_on_caller+0xc0/0x310
[  863.277603]  ? syscall_return_slowpath+0x5e0/0x5e0
[  863.282540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  863.287410]  ? trace_hardirqs_on_caller+0x310/0x310
[  863.292438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  863.297913]  ? prepare_exit_to_usermode+0x291/0x3b0
[  863.302971]  ? page_fault+0x8/0x30
[  863.306523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  863.311381]  ? page_fault+0x8/0x30
[  863.314933]  page_fault+0x1e/0x30
[  863.318395] RIP: 0033:0x45ddf3
[  863.321606] Code: Bad RIP value.
[  863.324970] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  863.330337] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  863.337626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  863.344902] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  863.352194] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  863.359481] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  863.366809] warn_alloc_show_mem: 1 callbacks suppressed
[  863.366837] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  863.366839] Mem-Info:
[  863.366873] active_anon:129018 inactive_anon:195 isolated_anon:0
[  863.366873]  active_file:12 inactive_file:15 isolated_file:0
[  863.366873]  unevictable:1 dirty:0 writeback:0 unstable:0
[  863.366873]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  863.366873]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  863.366873]  free:13741 free_pcp:161 free_cma:0
[  863.372245] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  863.380315] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  863.382735] Call Trace:
[  863.415793] 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
[  863.425172]  dump_stack+0x244/0x39d
[  863.452745] lowmem_reserve[]: 0 2818 6321 6321
[  863.455346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  863.481436] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  863.485085]  warn_alloc.cold.116+0xb7/0x1bd
[  863.489617] lowmem_reserve[]: 0 0 3503 3503
[  863.494822]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  863.522231] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  863.526571]  ? lock_downgrade+0x900/0x900
[  863.530852] lowmem_reserve[]: 0 0 0 0
[  863.535706]  ? trace_hardirqs_off+0xb8/0x310
[  863.564582] 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
[  863.568762]  ? trace_hardirqs_off+0xb8/0x310
[  863.572523] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  863.576938]  __alloc_pages_slowpath+0x26fe/0x2e30
[  863.590448] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  863.594896]  ? warn_alloc+0x120/0x120
[  863.609259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  863.614133]  ? warn_alloc+0x120/0x120
[  863.629378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  863.633189]  ? warn_alloc+0x120/0x120
[  863.641997] 296 total pagecache pages
[  863.645809]  ? print_usage_bug+0xc0/0xc0
[  863.654374] 0 pages in swap cache
[  863.658187]  ? print_usage_bug+0xc0/0xc0
[  863.661955] Swap cache stats: add 0, delete 0, find 0/0
[  863.666019]  ? mark_held_locks+0x130/0x130
[  863.669443] Free swap  = 0kB
[  863.673517]  ? mark_held_locks+0x130/0x130
[  863.678856] Total swap = 0kB
[  863.683100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  863.686086] 1965979 pages RAM
[  863.690321]  ? should_fail+0x22d/0xd01
[  863.693318] 0 pages HighMem/MovableOnly
[  863.698861]  ? graph_lock+0x270/0x270
[  863.701941] 342854 pages reserved
[  863.705830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  863.709780] 0 pages cma reserved
[  863.713585]  ? __lock_acquire+0x62f/0x4c20
[  863.717081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  863.722108]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  863.722123]  ? __lock_acquire+0x62f/0x4c20
[  863.722132]  ? should_fail+0x22d/0xd01
[  863.722156]  ? mark_held_locks+0x130/0x130
[  863.725582] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  863.729740]  ? mark_held_locks+0x130/0x130
[  863.736235] syz-fuzzer cpuset=/ mems_allowed=0
[  863.741347]  ? lock_downgrade+0x900/0x900
[  863.776831]  ? graph_lock+0x270/0x270
[  863.780657]  ? graph_lock+0x270/0x270
[  863.784460]  ? do_raw_spin_unlock+0xa7/0x330
[  863.788878]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  863.793660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.799223]  ? check_preemption_disabled+0x48/0x280
[  863.804287]  ? __lock_is_held+0xb5/0x140
[  863.808365]  __alloc_pages_nodemask+0xa7b/0xdd0
[  863.813045]  ? graph_lock+0x270/0x270
[  863.816863]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  863.821894]  ? find_held_lock+0x36/0x1c0
[  863.825969]  ? ____cache_alloc_node+0x1c7/0x1e0
[  863.830676]  ? lock_downgrade+0x900/0x900
[  863.834836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.840387]  cache_grow_begin+0xa5/0x8c0
[  863.844458]  ? do_raw_spin_unlock+0xa7/0x330
[  863.848882]  fallback_alloc+0x204/0x2e0
[  863.852870]  ____cache_alloc_node+0x1c7/0x1e0
[  863.857401]  kmem_cache_alloc_node+0xe3/0x730
[  863.861906]  ? lockdep_hardirqs_on+0x296/0x5b0
[  863.866506]  __alloc_skb+0x114/0x770
[  863.870236]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  863.875613]  ? netdev_alloc_frag+0x1f0/0x1f0
[  863.880040]  ? vprintk_default+0x28/0x30
[  863.884105]  ? vprintk_func+0x85/0x181
[  863.887993]  ? printk+0xa7/0xcf
[  863.891285]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  863.896051]  ? do_raw_spin_trylock+0x270/0x270
[  863.900643]  new_skb+0x26/0x1c0
[  863.903958]  aoecmd_cfg+0x279/0x7f0
[  863.907591]  ? find_held_lock+0x36/0x1c0
[  863.911662]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  863.916000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  863.921557]  ? __lock_is_held+0xb5/0x140
[  863.925648]  discover_timer+0x50/0x60
[  863.929455]  call_timer_fn+0x26d/0x920
[  863.933347]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  863.938197]  ? process_timeout+0x40/0x40
[  863.942286]  ? __run_timers+0x7d5/0xc60
[  863.946269]  ? _raw_spin_unlock_irq+0x27/0x80
[  863.950769]  ? _raw_spin_unlock_irq+0x27/0x80
[  863.955268]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  863.960122]  ? lockdep_hardirqs_on+0x296/0x5b0
[  863.964713]  ? trace_hardirqs_on+0xbd/0x310
[  863.969038]  ? kasan_check_read+0x11/0x20
[  863.973187]  ? __run_timers+0x7d5/0xc60
[  863.977192]  ? trace_hardirqs_off_caller+0x300/0x300
[  863.982344]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  863.987193]  __run_timers+0x7e0/0xc60
[  863.991027]  ? timer_fixup_init+0x70/0x70
[  863.995181]  ? _raw_spin_unlock_irq+0x27/0x80
[  863.999695]  ? _raw_spin_unlock_irq+0x27/0x80
[  864.004220]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  864.008848]  ? trace_hardirqs_on+0xbd/0x310
[  864.013174]  ? kasan_check_read+0x11/0x20
[  864.017350]  ? finish_task_switch+0x1f4/0x920
[  864.021851]  ? trace_hardirqs_off_caller+0x300/0x300
[  864.026978]  ? compat_start_thread+0x80/0x80
[  864.031422]  ? pvclock_read_flags+0x160/0x160
[  864.035925]  ? __switch_to_asm+0x34/0x70
[  864.039999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.045545]  ? check_preemption_disabled+0x48/0x280
[  864.050575]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  864.056125]  ? rcu_pm_notify+0xc0/0xc0
[  864.060012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.065557]  ? check_preemption_disabled+0x48/0x280
[  864.070594]  run_timer_softirq+0x52/0xb0
[  864.074675]  ? rcu_read_lock_sched_held+0x14f/0x180
[  864.079689]  __do_softirq+0x308/0xb7e
[  864.083499]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  864.088263]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  864.093371]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  864.098138]  ? trace_hardirqs_off+0xb8/0x310
[  864.102563]  ? smpboot_thread_fn+0x68b/0xa00
[  864.106971]  ? trace_hardirqs_on+0x310/0x310
[  864.111396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.116932]  ? check_preemption_disabled+0x48/0x280
[  864.121954]  ? takeover_tasklets+0xa90/0xa90
[  864.126379]  run_ksoftirqd+0x5e/0x100
[  864.130180]  smpboot_thread_fn+0x68b/0xa00
[  864.134433]  ? sort_range+0x30/0x30
[  864.138063]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  864.143182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.148731]  ? __kthread_parkme+0xfb/0x1a0
[  864.152966]  ? sort_range+0x30/0x30
[  864.156590]  kthread+0x35a/0x440
[  864.159973]  ? kthread_stop+0x8f0/0x8f0
[  864.163950]  ret_from_fork+0x3a/0x50
[  864.167683] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  864.167773] aoe: skb alloc failure
[  864.175911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  864.175916] Call Trace:
[  864.175922]  <IRQ>
[  864.175938]  dump_stack+0x244/0x39d
[  864.175956]  ? dump_stack_print_info.cold.1+0x20/0x20
[  864.179544] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  864.188840]  warn_alloc.cold.116+0xb7/0x1bd
[  864.191398] ksoftirqd/0 cpuset=/ mems_allowed=0
[  864.193542]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  864.226420]  ? lock_downgrade+0x900/0x900
[  864.230591]  ? trace_hardirqs_off+0xb8/0x310
[  864.235011]  ? trace_hardirqs_off+0xb8/0x310
[  864.239431]  __alloc_pages_slowpath+0x26fe/0x2e30
[  864.244337]  ? warn_alloc+0x120/0x120
[  864.248137]  ? print_usage_bug+0xc0/0xc0
[  864.252236]  ? warn_alloc+0x120/0x120
[  864.256041]  ? warn_alloc+0x120/0x120
[  864.259843]  ? print_usage_bug+0xc0/0xc0
[  864.263908]  ? print_usage_bug+0xc0/0xc0
[  864.267983]  ? __lock_acquire+0x62f/0x4c20
[  864.272227]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.277768]  ? should_fail+0x22d/0xd01
[  864.281663]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  864.286769]  ? __lock_acquire+0x62f/0x4c20
[  864.291005]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  864.296118]  ? __lock_acquire+0x62f/0x4c20
[  864.300353]  ? should_fail+0x22d/0xd01
[  864.304247]  ? find_held_lock+0x36/0x1c0
[  864.308332]  ? mark_held_locks+0x130/0x130
[  864.312584]  ? mark_held_locks+0x130/0x130
[  864.316819]  ? graph_lock+0x270/0x270
[  864.320628]  ? graph_lock+0x270/0x270
[  864.324434]  ? print_usage_bug+0xc0/0xc0
[  864.328491]  ? do_raw_spin_unlock+0xa7/0x330
[  864.332899]  ? graph_lock+0x270/0x270
[  864.336719]  ? print_usage_bug+0xc0/0xc0
[  864.340779]  ? wq_watchdog_touch+0x9c/0xfe
[  864.345015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.350556]  ? check_preemption_disabled+0x48/0x280
[  864.355595]  ? __lock_is_held+0xb5/0x140
[  864.359664]  __alloc_pages_nodemask+0xa7b/0xdd0
[  864.364332]  ? graph_lock+0x270/0x270
[  864.368137]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  864.373166]  ? find_held_lock+0x36/0x1c0
[  864.377253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  864.381927]  ? lock_downgrade+0x900/0x900
[  864.386083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.391627]  cache_grow_begin+0xa5/0x8c0
[  864.395683]  ? do_raw_spin_unlock+0xa7/0x330
[  864.400118]  fallback_alloc+0x204/0x2e0
[  864.404096]  ____cache_alloc_node+0x1c7/0x1e0
[  864.408594]  kmem_cache_alloc_node+0xe3/0x730
[  864.413088]  ? ipv6_get_ifaddr+0x42e/0x620
[  864.417331]  __alloc_skb+0x114/0x770
[  864.421041]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.426318]  ? netdev_alloc_frag+0x1f0/0x1f0
[  864.430732]  ? lock_downgrade+0x900/0x900
[  864.434886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.440425]  ? refcount_sub_and_test_checked+0x203/0x310
[  864.445883]  ? refcount_dec_if_one+0x180/0x180
[  864.450468]  ? addrconf_rs_timer+0x690/0x690
[  864.454891]  ndisc_alloc_skb+0x144/0x340
[  864.458952]  ndisc_send_rs+0x331/0x6e0
[  864.462840]  addrconf_rs_timer+0x314/0x690
[  864.467077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  864.471337]  call_timer_fn+0x26d/0x920
[  864.475227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  864.479463]  ? process_timeout+0x40/0x40
[  864.483539]  ? mark_held_locks+0xc7/0x130
[  864.487691]  ? _raw_spin_unlock_irq+0x27/0x80
[  864.492190]  ? _raw_spin_unlock_irq+0x27/0x80
[  864.496739]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  864.500978]  ? lockdep_hardirqs_on+0x296/0x5b0
[  864.505562]  ? trace_hardirqs_on+0xbd/0x310
[  864.509884]  ? kasan_check_read+0x11/0x20
[  864.514033]  ? __run_timers+0x7d5/0xc60
[  864.518007]  ? trace_hardirqs_off_caller+0x300/0x300
[  864.523120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  864.527352]  __run_timers+0x7e0/0xc60
[  864.531180]  ? timer_fixup_init+0x70/0x70
[  864.535333]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  864.540346]  ? graph_lock+0x270/0x270
[  864.544154]  ? print_usage_bug+0xc0/0xc0
[  864.548223]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  864.553419]  ? find_held_lock+0x36/0x1c0
[  864.557501]  ? graph_lock+0x270/0x270
[  864.561308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.566845]  ? check_preemption_disabled+0x48/0x280
[  864.571872]  ? __lock_is_held+0xb5/0x140
[  864.575936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.581501]  ? check_preemption_disabled+0x48/0x280
[  864.586522]  run_timer_softirq+0x52/0xb0
[  864.590580]  ? rcu_read_lock_sched_held+0x14f/0x180
[  864.595601]  __do_softirq+0x308/0xb7e
[  864.599408]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  864.603901]  ? lock_downgrade+0x900/0x900
[  864.608070]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  864.613185]  ? pvclock_read_flags+0x160/0x160
[  864.617690]  ? lapic_next_event+0x5a/0x90
[  864.621839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.627384]  ? kvm_clock_read+0x18/0x30
[  864.631357]  ? kvm_sched_clock_read+0x9/0x20
[  864.635767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  864.641303]  ? check_preemption_disabled+0x48/0x280
[  864.646335]  irq_exit+0x17f/0x1c0
[  864.649790]  smp_apic_timer_interrupt+0x1cb/0x760
[  864.654630]  ? smp_reschedule_interrupt+0x109/0x650
[  864.659657]  ? smp_call_function_single_interrupt+0x640/0x640
[  864.665544]  ? interrupt_entry+0xb5/0xc0
[  864.669624]  ? trace_hardirqs_off_caller+0xbb/0x300
[  864.674673]  ? trace_hardirqs_off_caller+0xbb/0x300
[  864.679689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  864.684538]  ? trace_hardirqs_on_caller+0x310/0x310
[  864.689549]  ? trace_hardirqs_on_caller+0x310/0x310
[  864.694594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  864.699446]  apic_timer_interrupt+0xf/0x20
[  864.703686]  </IRQ>
[  864.705929] RIP: 0010:dump_stack+0x358/0x39d
[  864.710337] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  864.729232] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  864.736933] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  864.744199] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  864.751476] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  864.758751] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  864.766022] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  864.773303]  ? dump_stack+0x34f/0x39d
[  864.777118]  ? dump_stack_print_info.cold.1+0x20/0x20
[  864.782333]  ? mark_held_locks+0x130/0x130
[  864.786568]  ? mark_held_locks+0x130/0x130
[  864.790808]  dump_header+0x27b/0xf72
[  864.794532]  ? pagefault_out_of_memory+0x197/0x197
[  864.799501]  ? mark_held_locks+0x130/0x130
[  864.803741]  ? __lock_acquire+0x62f/0x4c20
[  864.807975]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  864.812744]  ? print_usage_bug+0xc0/0xc0
[  864.816829]  ? graph_lock+0x270/0x270
[  864.820626]  ? graph_lock+0x270/0x270
[  864.824425]  ? print_usage_bug+0xc0/0xc0
[  864.828480]  ? print_usage_bug+0xc0/0xc0
[  864.832544]  ? graph_lock+0x270/0x270
[  864.836361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  864.841903]  ? find_held_lock+0x36/0x1c0
[  864.845974]  ? mark_held_locks+0xc7/0x130
[  864.850131]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  864.855256]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  864.860377]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  864.864961]  ? trace_hardirqs_on+0xbd/0x310
[  864.869284]  ? kasan_check_read+0x11/0x20
[  864.873428]  ? ___ratelimit+0x3b4/0x672
[  864.877404]  ? trace_hardirqs_off_caller+0x300/0x300
[  864.882512]  ? trace_hardirqs_on+0x310/0x310
[  864.886924]  ? lock_downgrade+0x900/0x900
[  864.891081]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  864.896215]  ? ___ratelimit+0x3b9/0x672
[  864.900208]  ? idr_get_free+0xf70/0xf70
[  864.904188]  ? kasan_check_read+0x11/0x20
[  864.908344]  ? do_raw_spin_unlock+0xa7/0x330
[  864.912762]  oom_kill_process.cold.27+0x10/0x903
[  864.917520]  ? graph_lock+0x270/0x270
[  864.921340]  ? _raw_spin_unlock+0x2c/0x50
[  864.925486]  ? oom_badness+0xe6/0xaa0
[  864.929292]  ? oom_evaluate_task+0x540/0x540
[  864.933701]  ? find_held_lock+0x36/0x1c0
[  864.937774]  ? out_of_memory+0x96f/0x1430
[  864.942097]  ? lock_downgrade+0x900/0x900
[  864.946245]  ? check_preemption_disabled+0x48/0x280
[  864.951268]  ? kasan_check_read+0x11/0x20
[  864.955416]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  864.960693]  ? rcu_read_unlock_special+0x370/0x370
[  864.965646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  864.970677]  ? oom_evaluate_task+0x302/0x540
[  864.975091]  out_of_memory+0xa7f/0x1430
[  864.979073]  ? oom_killer_disable+0x3a0/0x3a0
[  864.983571]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  864.988502]  ? __ww_mutex_check_waiters+0x160/0x160
[  864.993527]  __alloc_pages_slowpath+0x236a/0x2e30
[  864.998417]  ? warn_alloc+0x120/0x120
[  865.002239]  ? mark_held_locks+0x130/0x130
[  865.006479]  ? find_get_entry+0xaae/0x1120
[  865.010729]  ? filemap_map_pages+0x1a20/0x1a20
[  865.015319]  ? graph_lock+0x270/0x270
[  865.019123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.024661]  ? check_preemption_disabled+0x48/0x280
[  865.029677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.035226]  ? should_fail+0x22d/0xd01
[  865.039121]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  865.044235]  ? graph_lock+0x270/0x270
[  865.048068]  ? __lock_is_held+0xb5/0x140
[  865.052152]  ? mark_held_locks+0x130/0x130
[  865.056391]  ? lock_release+0xa10/0xa10
[  865.060376]  ? perf_trace_sched_process_exec+0x860/0x860
[  865.065828]  ? xa_load+0x2ba/0x460
[  865.069373]  ? lock_downgrade+0x900/0x900
[  865.074054]  ? __might_sleep+0x95/0x190
[  865.078036]  __alloc_pages_nodemask+0xa7b/0xdd0
[  865.082716]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  865.087735]  ? __page_cache_alloc+0x177/0x570
[  865.092230]  ? xa_load+0x2e1/0x460
[  865.095769]  ? xa_clear_mark+0x40/0x40
[  865.099688]  ? graph_lock+0x270/0x270
[  865.103502]  ? graph_lock+0x270/0x270
[  865.107302]  ? graph_lock+0x270/0x270
[  865.111104]  ? __do_page_cache_readahead+0x663/0x810
[  865.116222]  ? find_held_lock+0x36/0x1c0
[  865.120308]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  865.125899]  alloc_pages_current+0x173/0x350
[  865.130312]  __page_cache_alloc+0x3ce/0x570
[  865.134632]  ? kasan_check_read+0x11/0x20
[  865.138780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  865.144060]  ? generic_perform_write+0x6a0/0x6a0
[  865.148818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.154354]  ? check_preemption_disabled+0x48/0x280
[  865.159378]  filemap_fault+0x1595/0x25f0
[  865.163454]  ? __lock_page_or_retry+0xa00/0xa00
[  865.168124]  ? mark_held_locks+0x130/0x130
[  865.172381]  ? filemap_map_pages+0xd6b/0x1a20
[  865.176890]  ? lock_downgrade+0x900/0x900
[  865.181035]  ? check_preemption_disabled+0x48/0x280
[  865.186062]  ? kasan_check_read+0x11/0x20
[  865.190224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  865.195501]  ? rcu_read_unlock_special+0x370/0x370
[  865.200441]  ? filemap_map_pages+0xd92/0x1a20
[  865.204956]  ? find_get_entries_tag+0x1400/0x1400
[  865.209802]  ? debug_object_destroy+0x2b0/0x2b0
[  865.214490]  ? lock_pi_update_atomic+0x150/0x150
[  865.219270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.224819]  ? lock_acquire+0x1ed/0x520
[  865.228810]  ? ext4_filemap_fault+0x7a/0xad
[  865.233138]  ? lock_release+0xa10/0xa10
[  865.237111]  ? perf_trace_sched_process_exec+0x860/0x860
[  865.242565]  ? print_usage_bug+0xc0/0xc0
[  865.246627]  ? print_usage_bug+0xc0/0xc0
[  865.250699]  ? down_read+0x8d/0x120
[  865.254326]  ? ext4_filemap_fault+0x7a/0xad
[  865.258648]  ? __down_interruptible+0x700/0x700
[  865.263362]  ext4_filemap_fault+0x82/0xad
[  865.267527]  __do_fault+0x100/0x6b0
[  865.271149]  ? do_futex+0x1df/0x26d0
[  865.274868]  ? pmd_devmap_trans_unstable+0x220/0x220
[  865.279973]  ? mark_held_locks+0x130/0x130
[  865.284218]  ? mark_held_locks+0x130/0x130
[  865.288511]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.294052]  __handle_mm_fault+0x3ea0/0x5be0
[  865.298459]  ? perf_trace_lock+0x7a0/0x7a0
[  865.302718]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  865.307568]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  865.312158]  ? graph_lock+0x270/0x270
[  865.315953]  ? graph_lock+0x270/0x270
[  865.319756]  ? __x64_sys_futex+0x53e/0x6a0
[  865.323997]  ? find_held_lock+0x36/0x1c0
[  865.328067]  ? handle_mm_fault+0x42a/0xc70
[  865.332300]  ? lock_downgrade+0x900/0x900
[  865.336443]  ? check_preemption_disabled+0x48/0x280
[  865.341465]  ? kasan_check_read+0x11/0x20
[  865.345631]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  865.350910]  ? rcu_read_unlock_special+0x370/0x370
[  865.355845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.361381]  ? check_preemption_disabled+0x48/0x280
[  865.366407]  handle_mm_fault+0x54f/0xc70
[  865.370488]  ? __handle_mm_fault+0x5be0/0x5be0
[  865.375075]  ? find_vma+0x34/0x190
[  865.378638]  __do_page_fault+0x5d6/0xe40
[  865.382699]  ? trace_hardirqs_off+0xb8/0x310
[  865.387138]  do_page_fault+0xed/0x7d1
[  865.390943]  ? vmalloc_sync_all+0x30/0x30
[  865.395087]  ? error_entry+0x70/0xd0
[  865.398815]  ? trace_hardirqs_off_caller+0xbb/0x300
[  865.403831]  ? trace_hardirqs_on_caller+0xc0/0x310
[  865.408758]  ? syscall_return_slowpath+0x5e0/0x5e0
[  865.413684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  865.418533]  ? trace_hardirqs_on_caller+0x310/0x310
[  865.423550]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  865.429007]  ? prepare_exit_to_usermode+0x291/0x3b0
[  865.434025]  ? page_fault+0x8/0x30
[  865.437569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  865.442411]  ? page_fault+0x8/0x30
[  865.445955]  page_fault+0x1e/0x30
[  865.449406] RIP: 0033:0x45ddf3
[  865.452616] Code: Bad RIP value.
[  865.455976] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  865.461339] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  865.468604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  865.475872] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  865.483137] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  865.490404] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  865.497688] warn_alloc_show_mem: 1 callbacks suppressed
[  865.497701] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  865.497703] Mem-Info:
[  865.497740] active_anon:129018 inactive_anon:195 isolated_anon:0
[  865.497740]  active_file:12 inactive_file:15 isolated_file:0
[  865.497740]  unevictable:1 dirty:0 writeback:0 unstable:0
[  865.497740]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  865.497740]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  865.497740]  free:13741 free_pcp:161 free_cma:0
[  865.503080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  865.511132] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  865.513546] Call Trace:
[  865.546583] 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
[  865.555931]  dump_stack+0x244/0x39d
[  865.583507] lowmem_reserve[]: 0 2818 6321 6321
[  865.586094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  865.612176] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  865.615803]  warn_alloc.cold.116+0xb7/0x1bd
[  865.620355] lowmem_reserve[]: 0 0 3503 3503
[  865.625540]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  865.652949] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  865.657276]  ? lock_downgrade+0x900/0x900
[  865.661571] lowmem_reserve[]: 0 0 0 0
[  865.666428]  ? trace_hardirqs_off+0xb8/0x310
[  865.695286] 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
[  865.699437]  ? trace_hardirqs_off+0xb8/0x310
[  865.703213] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  865.707628]  __alloc_pages_slowpath+0x26fe/0x2e30
[  865.721123] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  865.725549]  ? warn_alloc+0x120/0x120
[  865.739906] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  865.744737]  ? warn_alloc+0x120/0x120
[  865.759974] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  865.763761]  ? warn_alloc+0x120/0x120
[  865.772611] 296 total pagecache pages
[  865.776419]  ? print_usage_bug+0xc0/0xc0
[  865.784972] 0 pages in swap cache
[  865.788779]  ? print_usage_bug+0xc0/0xc0
[  865.792549] Swap cache stats: add 0, delete 0, find 0/0
[  865.796605]  ? mark_held_locks+0x130/0x130
[  865.800029] Free swap  = 0kB
[  865.804091]  ? mark_held_locks+0x130/0x130
[  865.809429] Total swap = 0kB
[  865.813672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  865.816675] 1965979 pages RAM
[  865.820913]  ? should_fail+0x22d/0xd01
[  865.823905] 0 pages HighMem/MovableOnly
[  865.829443]  ? graph_lock+0x270/0x270
[  865.832535] 342854 pages reserved
[  865.836421]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  865.840367] 0 pages cma reserved
[  865.844168]  ? __lock_acquire+0x62f/0x4c20
[  865.847671] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  865.852697]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  865.852711]  ? __lock_acquire+0x62f/0x4c20
[  865.852721]  ? should_fail+0x22d/0xd01
[  865.852744]  ? mark_held_locks+0x130/0x130
[  865.852762]  ? mark_held_locks+0x130/0x130
[  865.856195] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  865.860356]  ? lock_downgrade+0x900/0x900
[  865.866824] syz-fuzzer cpuset=/ mems_allowed=0
[  865.871949]  ? graph_lock+0x270/0x270
[  865.911230]  ? graph_lock+0x270/0x270
[  865.915046]  ? do_raw_spin_unlock+0xa7/0x330
[  865.919463]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  865.924244]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.929813]  ? check_preemption_disabled+0x48/0x280
[  865.934874]  ? __lock_is_held+0xb5/0x140
[  865.938963]  __alloc_pages_nodemask+0xa7b/0xdd0
[  865.943643]  ? graph_lock+0x270/0x270
[  865.947453]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  865.952489]  ? find_held_lock+0x36/0x1c0
[  865.956569]  ? ____cache_alloc_node+0x1c7/0x1e0
[  865.961252]  ? lock_downgrade+0x900/0x900
[  865.965413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  865.970966]  cache_grow_begin+0xa5/0x8c0
[  865.975036]  ? do_raw_spin_unlock+0xa7/0x330
[  865.979461]  fallback_alloc+0x204/0x2e0
[  865.983455]  ____cache_alloc_node+0x1c7/0x1e0
[  865.987967]  kmem_cache_alloc_node+0xe3/0x730
[  865.992472]  ? lockdep_hardirqs_on+0x296/0x5b0
[  865.997068]  __alloc_skb+0x114/0x770
[  866.000792]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  866.006179]  ? netdev_alloc_frag+0x1f0/0x1f0
[  866.010620]  ? vprintk_default+0x28/0x30
[  866.014687]  ? vprintk_func+0x85/0x181
[  866.018580]  ? printk+0xa7/0xcf
[  866.021873]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  866.026642]  ? do_raw_spin_trylock+0x270/0x270
[  866.031245]  new_skb+0x26/0x1c0
[  866.034529]  aoecmd_cfg+0x279/0x7f0
[  866.038166]  ? find_held_lock+0x36/0x1c0
[  866.042248]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  866.046588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.052156]  ? __lock_is_held+0xb5/0x140
[  866.056262]  discover_timer+0x50/0x60
[  866.060082]  call_timer_fn+0x26d/0x920
[  866.063972]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.068843]  ? process_timeout+0x40/0x40
[  866.072933]  ? __run_timers+0x7d5/0xc60
[  866.076932]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.081430]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.085941]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.090804]  ? lockdep_hardirqs_on+0x296/0x5b0
[  866.095398]  ? trace_hardirqs_on+0xbd/0x310
[  866.099755]  ? kasan_check_read+0x11/0x20
[  866.103913]  ? __run_timers+0x7d5/0xc60
[  866.107893]  ? trace_hardirqs_off_caller+0x300/0x300
[  866.113020]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  866.117911]  __run_timers+0x7e0/0xc60
[  866.121746]  ? timer_fixup_init+0x70/0x70
[  866.125904]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.130403]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.134904]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  866.139491]  ? trace_hardirqs_on+0xbd/0x310
[  866.143818]  ? kasan_check_read+0x11/0x20
[  866.147985]  ? finish_task_switch+0x1f4/0x920
[  866.152497]  ? trace_hardirqs_off_caller+0x300/0x300
[  866.157608]  ? compat_start_thread+0x80/0x80
[  866.162058]  ? pvclock_read_flags+0x160/0x160
[  866.166562]  ? __switch_to_asm+0x34/0x70
[  866.170631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.176192]  ? check_preemption_disabled+0x48/0x280
[  866.181270]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  866.186820]  ? rcu_pm_notify+0xc0/0xc0
[  866.190727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.196274]  ? check_preemption_disabled+0x48/0x280
[  866.201301]  run_timer_softirq+0x52/0xb0
[  866.205370]  ? rcu_read_lock_sched_held+0x14f/0x180
[  866.210392]  __do_softirq+0x308/0xb7e
[  866.214217]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  866.219011]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  866.224133]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  866.228906]  ? trace_hardirqs_off+0xb8/0x310
[  866.233321]  ? smpboot_thread_fn+0x68b/0xa00
[  866.237735]  ? trace_hardirqs_on+0x310/0x310
[  866.242149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.247694]  ? check_preemption_disabled+0x48/0x280
[  866.252729]  ? takeover_tasklets+0xa90/0xa90
[  866.257143]  run_ksoftirqd+0x5e/0x100
[  866.260954]  smpboot_thread_fn+0x68b/0xa00
[  866.265193]  ? sort_range+0x30/0x30
[  866.268841]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  866.273956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.279503]  ? __kthread_parkme+0xfb/0x1a0
[  866.283747]  ? sort_range+0x30/0x30
[  866.287377]  kthread+0x35a/0x440
[  866.290764]  ? kthread_stop+0x8f0/0x8f0
[  866.294749]  ret_from_fork+0x3a/0x50
[  866.298485] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  866.298575] aoe: skb alloc failure
[  866.306732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  866.306738] Call Trace:
[  866.306745]  <IRQ>
[  866.306769]  dump_stack+0x244/0x39d
[  866.306787]  ? dump_stack_print_info.cold.1+0x20/0x20
[  866.306813]  warn_alloc.cold.116+0xb7/0x1bd
[  866.310421] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  866.319723]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  866.322280] ksoftirqd/0 cpuset=/ mems_allowed=0
[  866.324436]  ? lock_downgrade+0x900/0x900
[  866.361539]  ? trace_hardirqs_off+0xb8/0x310
[  866.365981]  ? trace_hardirqs_off+0xb8/0x310
[  866.370416]  __alloc_pages_slowpath+0x26fe/0x2e30
[  866.375324]  ? warn_alloc+0x120/0x120
[  866.379145]  ? print_usage_bug+0xc0/0xc0
[  866.383222]  ? warn_alloc+0x120/0x120
[  866.387036]  ? warn_alloc+0x120/0x120
[  866.390849]  ? print_usage_bug+0xc0/0xc0
[  866.394918]  ? print_usage_bug+0xc0/0xc0
[  866.398989]  ? __lock_acquire+0x62f/0x4c20
[  866.403251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.408801]  ? should_fail+0x22d/0xd01
[  866.412700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  866.417820]  ? __lock_acquire+0x62f/0x4c20
[  866.422072]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  866.427184]  ? __lock_acquire+0x62f/0x4c20
[  866.431433]  ? should_fail+0x22d/0xd01
[  866.435329]  ? find_held_lock+0x36/0x1c0
[  866.439410]  ? mark_held_locks+0x130/0x130
[  866.443657]  ? mark_held_locks+0x130/0x130
[  866.447897]  ? graph_lock+0x270/0x270
[  866.451718]  ? graph_lock+0x270/0x270
[  866.455563]  ? print_usage_bug+0xc0/0xc0
[  866.459630]  ? do_raw_spin_unlock+0xa7/0x330
[  866.464050]  ? graph_lock+0x270/0x270
[  866.467858]  ? print_usage_bug+0xc0/0xc0
[  866.471925]  ? wq_watchdog_touch+0x9c/0xfe
[  866.476176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.481757]  ? check_preemption_disabled+0x48/0x280
[  866.486795]  ? __lock_is_held+0xb5/0x140
[  866.490875]  __alloc_pages_nodemask+0xa7b/0xdd0
[  866.495557]  ? graph_lock+0x270/0x270
[  866.499377]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  866.504417]  ? find_held_lock+0x36/0x1c0
[  866.508497]  ? ____cache_alloc_node+0x1c7/0x1e0
[  866.513182]  ? lock_downgrade+0x900/0x900
[  866.517354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.522908]  cache_grow_begin+0xa5/0x8c0
[  866.526994]  ? do_raw_spin_unlock+0xa7/0x330
[  866.531419]  fallback_alloc+0x204/0x2e0
[  866.535435]  ____cache_alloc_node+0x1c7/0x1e0
[  866.539947]  kmem_cache_alloc_node+0xe3/0x730
[  866.544455]  ? ipv6_get_ifaddr+0x42e/0x620
[  866.548719]  __alloc_skb+0x114/0x770
[  866.552442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  866.557744]  ? netdev_alloc_frag+0x1f0/0x1f0
[  866.562168]  ? lock_downgrade+0x900/0x900
[  866.566357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.571910]  ? refcount_sub_and_test_checked+0x203/0x310
[  866.577393]  ? refcount_dec_if_one+0x180/0x180
[  866.581987]  ? addrconf_rs_timer+0x690/0x690
[  866.586419]  ndisc_alloc_skb+0x144/0x340
[  866.590495]  ndisc_send_rs+0x331/0x6e0
[  866.594396]  addrconf_rs_timer+0x314/0x690
[  866.598641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  866.602894]  call_timer_fn+0x26d/0x920
[  866.606791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  866.611046]  ? process_timeout+0x40/0x40
[  866.615130]  ? mark_held_locks+0xc7/0x130
[  866.619297]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.623807]  ? _raw_spin_unlock_irq+0x27/0x80
[  866.628329]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  866.632599]  ? lockdep_hardirqs_on+0x296/0x5b0
[  866.637211]  ? trace_hardirqs_on+0xbd/0x310
[  866.641548]  ? kasan_check_read+0x11/0x20
[  866.645717]  ? __run_timers+0x7d5/0xc60
[  866.649716]  ? trace_hardirqs_off_caller+0x300/0x300
[  866.654838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  866.659092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  866.663337]  __run_timers+0x7e0/0xc60
[  866.667160]  ? timer_fixup_init+0x70/0x70
[  866.671316]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  866.676357]  ? graph_lock+0x270/0x270
[  866.680190]  ? print_usage_bug+0xc0/0xc0
[  866.684271]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  866.689478]  ? find_held_lock+0x36/0x1c0
[  866.693656]  ? graph_lock+0x270/0x270
[  866.697472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.703058]  ? check_preemption_disabled+0x48/0x280
[  866.708097]  ? __lock_is_held+0xb5/0x140
[  866.712168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.717737]  ? check_preemption_disabled+0x48/0x280
[  866.722772]  run_timer_softirq+0x52/0xb0
[  866.726846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  866.731879]  __do_softirq+0x308/0xb7e
[  866.735722]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  866.740234]  ? lock_downgrade+0x900/0x900
[  866.744411]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  866.749535]  ? pvclock_read_flags+0x160/0x160
[  866.754049]  ? lapic_next_event+0x5a/0x90
[  866.758217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.763805]  ? kvm_clock_read+0x18/0x30
[  866.767818]  ? kvm_sched_clock_read+0x9/0x20
[  866.772262]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  866.777830]  ? check_preemption_disabled+0x48/0x280
[  866.782881]  irq_exit+0x17f/0x1c0
[  866.786348]  smp_apic_timer_interrupt+0x1cb/0x760
[  866.791198]  ? smp_reschedule_interrupt+0x109/0x650
[  866.796272]  ? smp_call_function_single_interrupt+0x640/0x640
[  866.802176]  ? interrupt_entry+0xb5/0xc0
[  866.806273]  ? trace_hardirqs_off_caller+0xbb/0x300
[  866.811290]  ? trace_hardirqs_off_caller+0xbb/0x300
[  866.816336]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  866.821194]  ? trace_hardirqs_on_caller+0x310/0x310
[  866.826247]  ? trace_hardirqs_on_caller+0x310/0x310
[  866.831295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  866.836194]  apic_timer_interrupt+0xf/0x20
[  866.840442]  </IRQ>
[  866.842689] RIP: 0010:dump_stack+0x358/0x39d
[  866.847127] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  866.866043] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  866.873770] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  866.881057] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  866.888342] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  866.895650] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  866.902935] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  866.910257]  ? dump_stack+0x34f/0x39d
[  866.914090]  ? dump_stack_print_info.cold.1+0x20/0x20
[  866.919345]  ? mark_held_locks+0x130/0x130
[  866.923616]  ? mark_held_locks+0x130/0x130
[  866.927879]  dump_header+0x27b/0xf72
[  866.931617]  ? pagefault_out_of_memory+0x197/0x197
[  866.936563]  ? mark_held_locks+0x130/0x130
[  866.940808]  ? __lock_acquire+0x62f/0x4c20
[  866.945503]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  866.950289]  ? print_usage_bug+0xc0/0xc0
[  866.954367]  ? graph_lock+0x270/0x270
[  866.958229]  ? graph_lock+0x270/0x270
[  866.962042]  ? print_usage_bug+0xc0/0xc0
[  866.966111]  ? print_usage_bug+0xc0/0xc0
[  866.970194]  ? graph_lock+0x270/0x270
[  866.974019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  866.979575]  ? find_held_lock+0x36/0x1c0
[  866.983668]  ? mark_held_locks+0xc7/0x130
[  866.987830]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  866.992955]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  866.998085]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  867.002686]  ? trace_hardirqs_on+0xbd/0x310
[  867.007028]  ? kasan_check_read+0x11/0x20
[  867.011207]  ? ___ratelimit+0x3b4/0x672
[  867.015197]  ? trace_hardirqs_off_caller+0x300/0x300
[  867.020319]  ? trace_hardirqs_on+0x310/0x310
[  867.024744]  ? lock_downgrade+0x900/0x900
[  867.028909]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  867.034026]  ? ___ratelimit+0x3b9/0x672
[  867.038030]  ? idr_get_free+0xf70/0xf70
[  867.042015]  ? kasan_check_read+0x11/0x20
[  867.046176]  ? do_raw_spin_unlock+0xa7/0x330
[  867.050630]  oom_kill_process.cold.27+0x10/0x903
[  867.055399]  ? graph_lock+0x270/0x270
[  867.059215]  ? _raw_spin_unlock+0x2c/0x50
[  867.063376]  ? oom_badness+0xe6/0xaa0
[  867.067195]  ? oom_evaluate_task+0x540/0x540
[  867.071628]  ? find_held_lock+0x36/0x1c0
[  867.076261]  ? out_of_memory+0x96f/0x1430
[  867.080425]  ? lock_downgrade+0x900/0x900
[  867.084596]  ? check_preemption_disabled+0x48/0x280
[  867.089630]  ? kasan_check_read+0x11/0x20
[  867.093782]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.099073]  ? rcu_read_unlock_special+0x370/0x370
[  867.104018]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  867.109056]  ? oom_evaluate_task+0x302/0x540
[  867.113484]  out_of_memory+0xa7f/0x1430
[  867.117483]  ? oom_killer_disable+0x3a0/0x3a0
[  867.121990]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  867.126951]  ? __ww_mutex_check_waiters+0x160/0x160
[  867.131993]  __alloc_pages_slowpath+0x236a/0x2e30
[  867.136879]  ? warn_alloc+0x120/0x120
[  867.140701]  ? mark_held_locks+0x130/0x130
[  867.144956]  ? find_get_entry+0xaae/0x1120
[  867.149217]  ? filemap_map_pages+0x1a20/0x1a20
[  867.153835]  ? graph_lock+0x270/0x270
[  867.157656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.163249]  ? check_preemption_disabled+0x48/0x280
[  867.168277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.173830]  ? should_fail+0x22d/0xd01
[  867.177736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  867.182857]  ? graph_lock+0x270/0x270
[  867.186730]  ? __lock_is_held+0xb5/0x140
[  867.190822]  ? mark_held_locks+0x130/0x130
[  867.195086]  ? lock_release+0xa10/0xa10
[  867.199077]  ? perf_trace_sched_process_exec+0x860/0x860
[  867.204545]  ? xa_load+0x2ba/0x460
[  867.208102]  ? lock_downgrade+0x900/0x900
[  867.212271]  ? __might_sleep+0x95/0x190
[  867.216265]  __alloc_pages_nodemask+0xa7b/0xdd0
[  867.220960]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  867.225992]  ? __page_cache_alloc+0x177/0x570
[  867.230494]  ? xa_load+0x2e1/0x460
[  867.234047]  ? xa_clear_mark+0x40/0x40
[  867.237961]  ? graph_lock+0x270/0x270
[  867.241777]  ? graph_lock+0x270/0x270
[  867.245588]  ? graph_lock+0x270/0x270
[  867.249400]  ? __do_page_cache_readahead+0x663/0x810
[  867.254519]  ? find_held_lock+0x36/0x1c0
[  867.258598]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  867.264158]  alloc_pages_current+0x173/0x350
[  867.268588]  __page_cache_alloc+0x3ce/0x570
[  867.272925]  ? kasan_check_read+0x11/0x20
[  867.277081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.282376]  ? generic_perform_write+0x6a0/0x6a0
[  867.287149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.292699]  ? check_preemption_disabled+0x48/0x280
[  867.297748]  filemap_fault+0x1595/0x25f0
[  867.301832]  ? __lock_page_or_retry+0xa00/0xa00
[  867.306512]  ? mark_held_locks+0x130/0x130
[  867.310799]  ? filemap_map_pages+0xd6b/0x1a20
[  867.315399]  ? lock_downgrade+0x900/0x900
[  867.319555]  ? check_preemption_disabled+0x48/0x280
[  867.324586]  ? kasan_check_read+0x11/0x20
[  867.328759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.334049]  ? rcu_read_unlock_special+0x370/0x370
[  867.339001]  ? filemap_map_pages+0xd92/0x1a20
[  867.343521]  ? find_get_entries_tag+0x1400/0x1400
[  867.348375]  ? debug_object_destroy+0x2b0/0x2b0
[  867.353064]  ? lock_pi_update_atomic+0x150/0x150
[  867.357834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  867.363405]  ? lock_acquire+0x1ed/0x520
[  867.367402]  ? ext4_filemap_fault+0x7a/0xad
[  867.371752]  ? lock_release+0xa10/0xa10
[  867.375743]  ? perf_trace_sched_process_exec+0x860/0x860
[  867.381218]  ? print_usage_bug+0xc0/0xc0
[  867.385295]  ? print_usage_bug+0xc0/0xc0
[  867.389382]  ? down_read+0x8d/0x120
[  867.393019]  ? ext4_filemap_fault+0x7a/0xad
[  867.397356]  ? __down_interruptible+0x700/0x700
[  867.402047]  ext4_filemap_fault+0x82/0xad
[  867.406241]  __do_fault+0x100/0x6b0
[  867.409876]  ? do_futex+0x1df/0x26d0
[  867.413605]  ? pmd_devmap_trans_unstable+0x220/0x220
[  867.418736]  ? mark_held_locks+0x130/0x130
[  867.422989]  ? mark_held_locks+0x130/0x130
[  867.427258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.432843]  __handle_mm_fault+0x3ea0/0x5be0
[  867.437271]  ? perf_trace_lock+0x7a0/0x7a0
[  867.441534]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  867.446403]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  867.451011]  ? graph_lock+0x270/0x270
[  867.454835]  ? graph_lock+0x270/0x270
[  867.458644]  ? __x64_sys_futex+0x53e/0x6a0
[  867.462895]  ? find_held_lock+0x36/0x1c0
[  867.466976]  ? handle_mm_fault+0x42a/0xc70
[  867.471228]  ? lock_downgrade+0x900/0x900
[  867.475383]  ? check_preemption_disabled+0x48/0x280
[  867.480414]  ? kasan_check_read+0x11/0x20
[  867.484569]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  867.489857]  ? rcu_read_unlock_special+0x370/0x370
[  867.494826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.500380]  ? check_preemption_disabled+0x48/0x280
[  867.505422]  handle_mm_fault+0x54f/0xc70
[  867.509499]  ? __handle_mm_fault+0x5be0/0x5be0
[  867.514095]  ? find_vma+0x34/0x190
[  867.517650]  __do_page_fault+0x5d6/0xe40
[  867.521727]  ? trace_hardirqs_off+0xb8/0x310
[  867.526186]  do_page_fault+0xed/0x7d1
[  867.530023]  ? vmalloc_sync_all+0x30/0x30
[  867.534183]  ? error_entry+0x70/0xd0
[  867.537945]  ? trace_hardirqs_off_caller+0xbb/0x300
[  867.542975]  ? trace_hardirqs_on_caller+0xc0/0x310
[  867.547944]  ? syscall_return_slowpath+0x5e0/0x5e0
[  867.552882]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.557769]  ? trace_hardirqs_on_caller+0x310/0x310
[  867.562827]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  867.568313]  ? prepare_exit_to_usermode+0x291/0x3b0
[  867.573347]  ? page_fault+0x8/0x30
[  867.576914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  867.581775]  ? page_fault+0x8/0x30
[  867.585328]  page_fault+0x1e/0x30
[  867.588799] RIP: 0033:0x45ddf3
[  867.592008] Code: Bad RIP value.
[  867.595371] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  867.600740] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  867.608014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  867.615326] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  867.622605] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  867.629893] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  867.637212] warn_alloc_show_mem: 1 callbacks suppressed
[  867.637230] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  867.637232] Mem-Info:
[  867.637263] active_anon:129018 inactive_anon:195 isolated_anon:0
[  867.637263]  active_file:12 inactive_file:15 isolated_file:0
[  867.637263]  unevictable:1 dirty:0 writeback:0 unstable:0
[  867.637263]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  867.637263]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  867.637263]  free:13741 free_pcp:161 free_cma:0
[  867.642627] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  867.650718] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  867.653120] Call Trace:
[  867.686178] 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
[  867.695573]  dump_stack+0x244/0x39d
[  867.723139] lowmem_reserve[]: 0 2818 6321 6321
[  867.725758]  ? dump_stack_print_info.cold.1+0x20/0x20
[  867.751849] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  867.755499]  warn_alloc.cold.116+0xb7/0x1bd
[  867.760038] lowmem_reserve[]: 0 0 3503 3503
[  867.765263]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  867.792665] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  867.797008]  ? lock_downgrade+0x900/0x900
[  867.801293] lowmem_reserve[]: 0 0 0 0
[  867.806154]  ? trace_hardirqs_off+0xb8/0x310
[  867.835040] 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
[  867.839212]  ? trace_hardirqs_off+0xb8/0x310
[  867.842980] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  867.847396]  __alloc_pages_slowpath+0x26fe/0x2e30
[  867.860903] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  867.865345]  ? warn_alloc+0x120/0x120
[  867.879724] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  867.884595]  ? warn_alloc+0x120/0x120
[  867.899840] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  867.903651]  ? warn_alloc+0x120/0x120
[  867.912456] 296 total pagecache pages
[  867.916263]  ? print_usage_bug+0xc0/0xc0
[  867.924816] 0 pages in swap cache
[  867.928627]  ? print_usage_bug+0xc0/0xc0
[  867.932395] Swap cache stats: add 0, delete 0, find 0/0
[  867.936453]  ? mark_held_locks+0x130/0x130
[  867.939883] Free swap  = 0kB
[  867.943947]  ? mark_held_locks+0x130/0x130
[  867.949285] Total swap = 0kB
[  867.953528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  867.956515] 1965979 pages RAM
[  867.960746]  ? should_fail+0x22d/0xd01
[  867.963741] 0 pages HighMem/MovableOnly
[  867.969281]  ? graph_lock+0x270/0x270
[  867.972360] 342854 pages reserved
[  867.976256]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  867.980214] 0 pages cma reserved
[  867.984025]  ? __lock_acquire+0x62f/0x4c20
[  867.987528] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  867.992550]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  867.992565]  ? __lock_acquire+0x62f/0x4c20
[  867.992575]  ? should_fail+0x22d/0xd01
[  867.992598]  ? mark_held_locks+0x130/0x130
[  867.996061] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  868.000176]  ? mark_held_locks+0x130/0x130
[  868.006648] syz-fuzzer cpuset=/ mems_allowed=0
[  868.011760]  ? lock_downgrade+0x900/0x900
[  868.047250]  ? graph_lock+0x270/0x270
[  868.051060]  ? graph_lock+0x270/0x270
[  868.054876]  ? do_raw_spin_unlock+0xa7/0x330
[  868.059308]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  868.064083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.069622]  ? check_preemption_disabled+0x48/0x280
[  868.074652]  ? __lock_is_held+0xb5/0x140
[  868.078722]  __alloc_pages_nodemask+0xa7b/0xdd0
[  868.083393]  ? graph_lock+0x270/0x270
[  868.087231]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  868.092263]  ? find_held_lock+0x36/0x1c0
[  868.096336]  ? ____cache_alloc_node+0x1c7/0x1e0
[  868.101009]  ? lock_downgrade+0x900/0x900
[  868.105166]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.110708]  cache_grow_begin+0xa5/0x8c0
[  868.114801]  ? do_raw_spin_unlock+0xa7/0x330
[  868.119248]  fallback_alloc+0x204/0x2e0
[  868.123238]  ____cache_alloc_node+0x1c7/0x1e0
[  868.127744]  kmem_cache_alloc_node+0xe3/0x730
[  868.132251]  ? lockdep_hardirqs_on+0x296/0x5b0
[  868.136844]  __alloc_skb+0x114/0x770
[  868.140556]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  868.145934]  ? netdev_alloc_frag+0x1f0/0x1f0
[  868.150366]  ? vprintk_default+0x28/0x30
[  868.154433]  ? vprintk_func+0x85/0x181
[  868.158323]  ? printk+0xa7/0xcf
[  868.161601]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  868.166371]  ? do_raw_spin_trylock+0x270/0x270
[  868.170967]  new_skb+0x26/0x1c0
[  868.174259]  aoecmd_cfg+0x279/0x7f0
[  868.177886]  ? find_held_lock+0x36/0x1c0
[  868.181949]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  868.186306]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.191871]  ? __lock_is_held+0xb5/0x140
[  868.195955]  discover_timer+0x50/0x60
[  868.199765]  call_timer_fn+0x26d/0x920
[  868.203651]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  868.208492]  ? process_timeout+0x40/0x40
[  868.212559]  ? __run_timers+0x7d5/0xc60
[  868.216546]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.221041]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.225530]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  868.230376]  ? lockdep_hardirqs_on+0x296/0x5b0
[  868.234966]  ? trace_hardirqs_on+0xbd/0x310
[  868.239320]  ? kasan_check_read+0x11/0x20
[  868.243465]  ? __run_timers+0x7d5/0xc60
[  868.247446]  ? trace_hardirqs_off_caller+0x300/0x300
[  868.252575]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  868.257414]  __run_timers+0x7e0/0xc60
[  868.261267]  ? timer_fixup_init+0x70/0x70
[  868.265418]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.269911]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.274405]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  868.278985]  ? trace_hardirqs_on+0xbd/0x310
[  868.283303]  ? kasan_check_read+0x11/0x20
[  868.287453]  ? finish_task_switch+0x1f4/0x920
[  868.291948]  ? trace_hardirqs_off_caller+0x300/0x300
[  868.297055]  ? compat_start_thread+0x80/0x80
[  868.301485]  ? pvclock_read_flags+0x160/0x160
[  868.305978]  ? __switch_to_asm+0x34/0x70
[  868.310043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.315577]  ? check_preemption_disabled+0x48/0x280
[  868.320597]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  868.326144]  ? rcu_pm_notify+0xc0/0xc0
[  868.330029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.335579]  ? check_preemption_disabled+0x48/0x280
[  868.340596]  run_timer_softirq+0x52/0xb0
[  868.344652]  ? rcu_read_lock_sched_held+0x14f/0x180
[  868.349669]  __do_softirq+0x308/0xb7e
[  868.353473]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  868.358241]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  868.363348]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  868.368111]  ? trace_hardirqs_off+0xb8/0x310
[  868.372515]  ? smpboot_thread_fn+0x68b/0xa00
[  868.376950]  ? trace_hardirqs_on+0x310/0x310
[  868.381375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  868.386908]  ? check_preemption_disabled+0x48/0x280
[  868.391921]  ? takeover_tasklets+0xa90/0xa90
[  868.396330]  run_ksoftirqd+0x5e/0x100
[  868.400128]  smpboot_thread_fn+0x68b/0xa00
[  868.404364]  ? sort_range+0x30/0x30
[  868.407990]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  868.413097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  868.418638]  ? __kthread_parkme+0xfb/0x1a0
[  868.422879]  ? sort_range+0x30/0x30
[  868.426529]  kthread+0x35a/0x440
[  868.429894]  ? kthread_stop+0x8f0/0x8f0
[  868.433876]  ret_from_fork+0x3a/0x50
[  868.437612] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  868.437705] aoe: skb alloc failure
[  868.445842] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  868.445847] Call Trace:
[  868.445853]  <IRQ>
[  868.445872]  dump_stack+0x244/0x39d
[  868.445890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  868.449472] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  868.458783]  warn_alloc.cold.116+0xb7/0x1bd
[  868.461337] ksoftirqd/0 cpuset=/ mems_allowed=0
[  868.463512]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  868.496388]  ? lock_downgrade+0x900/0x900
[  868.500551]  ? trace_hardirqs_off+0xb8/0x310
[  868.504963]  ? trace_hardirqs_off+0xb8/0x310
[  868.509377]  __alloc_pages_slowpath+0x26fe/0x2e30
[  868.514264]  ? warn_alloc+0x120/0x120
[  868.518086]  ? print_usage_bug+0xc0/0xc0
[  868.522144]  ? warn_alloc+0x120/0x120
[  868.525946]  ? warn_alloc+0x120/0x120
[  868.529745]  ? print_usage_bug+0xc0/0xc0
[  868.533809]  ? print_usage_bug+0xc0/0xc0
[  868.537868]  ? __lock_acquire+0x62f/0x4c20
[  868.542106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  868.547655]  ? should_fail+0x22d/0xd01
[  868.551548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  868.556648]  ? __lock_acquire+0x62f/0x4c20
[  868.560884]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  868.565990]  ? __lock_acquire+0x62f/0x4c20
[  868.570231]  ? should_fail+0x22d/0xd01
[  868.574120]  ? find_held_lock+0x36/0x1c0
[  868.578194]  ? mark_held_locks+0x130/0x130
[  868.582443]  ? mark_held_locks+0x130/0x130
[  868.586681]  ? try_to_wake_up+0x11c/0x1490
[  868.590937]  ? lock_downgrade+0x900/0x900
[  868.595087]  ? graph_lock+0x270/0x270
[  868.598884]  ? print_usage_bug+0xc0/0xc0
[  868.602944]  ? trace_hardirqs_off+0xb8/0x310
[  868.607365]  ? kasan_check_read+0x11/0x20
[  868.611520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.617060]  ? check_preemption_disabled+0x48/0x280
[  868.622084]  ? __lock_is_held+0xb5/0x140
[  868.626150]  __alloc_pages_nodemask+0xa7b/0xdd0
[  868.630845]  ? graph_lock+0x270/0x270
[  868.634663]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  868.639707]  ? find_held_lock+0x36/0x1c0
[  868.643782]  ? ____cache_alloc_node+0x1c7/0x1e0
[  868.648449]  ? lock_downgrade+0x900/0x900
[  868.652604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.658143]  cache_grow_begin+0xa5/0x8c0
[  868.662200]  ? do_raw_spin_unlock+0xa7/0x330
[  868.666628]  fallback_alloc+0x204/0x2e0
[  868.670642]  ____cache_alloc_node+0x1c7/0x1e0
[  868.675155]  kmem_cache_alloc_node+0xe3/0x730
[  868.679647]  ? ipv6_get_ifaddr+0x42e/0x620
[  868.683892]  __alloc_skb+0x114/0x770
[  868.687604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  868.692894]  ? netdev_alloc_frag+0x1f0/0x1f0
[  868.697309]  ? lock_downgrade+0x900/0x900
[  868.701478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.707030]  ? refcount_sub_and_test_checked+0x203/0x310
[  868.712499]  ? refcount_dec_if_one+0x180/0x180
[  868.717077]  ? addrconf_rs_timer+0x690/0x690
[  868.721499]  ndisc_alloc_skb+0x144/0x340
[  868.725562]  ndisc_send_rs+0x331/0x6e0
[  868.729457]  addrconf_rs_timer+0x314/0x690
[  868.733700]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  868.737952]  call_timer_fn+0x26d/0x920
[  868.741852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  868.746086]  ? process_timeout+0x40/0x40
[  868.750158]  ? mark_held_locks+0xc7/0x130
[  868.754314]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.758814]  ? _raw_spin_unlock_irq+0x27/0x80
[  868.763324]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  868.767573]  ? lockdep_hardirqs_on+0x296/0x5b0
[  868.772154]  ? trace_hardirqs_on+0xbd/0x310
[  868.776493]  ? kasan_check_read+0x11/0x20
[  868.780654]  ? __run_timers+0x7d5/0xc60
[  868.784629]  ? trace_hardirqs_off_caller+0x300/0x300
[  868.789739]  ? __queue_work+0x1440/0x1440
[  868.793889]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  868.798121]  __run_timers+0x7e0/0xc60
[  868.801927]  ? timer_fixup_init+0x70/0x70
[  868.806077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  868.811093]  ? graph_lock+0x270/0x270
[  868.814895]  ? print_usage_bug+0xc0/0xc0
[  868.818959]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  868.824155]  ? find_held_lock+0x36/0x1c0
[  868.828243]  ? graph_lock+0x270/0x270
[  868.832065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.837601]  ? check_preemption_disabled+0x48/0x280
[  868.842630]  ? __lock_is_held+0xb5/0x140
[  868.846692]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.852232]  ? check_preemption_disabled+0x48/0x280
[  868.857250]  run_timer_softirq+0x52/0xb0
[  868.861325]  ? rcu_read_lock_sched_held+0x14f/0x180
[  868.866340]  __do_softirq+0x308/0xb7e
[  868.870146]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  868.874639]  ? lock_downgrade+0x900/0x900
[  868.878806]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  868.883923]  ? pvclock_read_flags+0x160/0x160
[  868.888418]  ? lapic_next_event+0x5a/0x90
[  868.892567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  868.898107]  ? kvm_clock_read+0x18/0x30
[  868.902079]  ? kvm_sched_clock_read+0x9/0x20
[  868.906493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  868.912025]  ? check_preemption_disabled+0x48/0x280
[  868.917052]  irq_exit+0x17f/0x1c0
[  868.920524]  smp_apic_timer_interrupt+0x1cb/0x760
[  868.925365]  ? smp_reschedule_interrupt+0x109/0x650
[  868.930384]  ? smp_call_function_single_interrupt+0x640/0x640
[  868.936272]  ? interrupt_entry+0xb5/0xc0
[  868.940336]  ? trace_hardirqs_off_caller+0xbb/0x300
[  868.945473]  ? trace_hardirqs_off_caller+0xbb/0x300
[  868.950494]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  868.955342]  ? trace_hardirqs_on_caller+0x310/0x310
[  868.960356]  ? trace_hardirqs_on_caller+0x310/0x310
[  868.965388]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  868.970244]  apic_timer_interrupt+0xf/0x20
[  868.974471]  </IRQ>
[  868.976722] RIP: 0010:dump_stack+0x358/0x39d
[  868.981130] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  869.000029] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  869.007757] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  869.015039] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  869.022304] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  869.029569] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  869.036836] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  869.044123]  ? dump_stack+0x34f/0x39d
[  869.047939]  ? dump_stack_print_info.cold.1+0x20/0x20
[  869.053134]  ? mark_held_locks+0x130/0x130
[  869.057367]  ? mark_held_locks+0x130/0x130
[  869.061612]  dump_header+0x27b/0xf72
[  869.065344]  ? pagefault_out_of_memory+0x197/0x197
[  869.070294]  ? mark_held_locks+0x130/0x130
[  869.074722]  ? __lock_acquire+0x62f/0x4c20
[  869.078976]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  869.083754]  ? print_usage_bug+0xc0/0xc0
[  869.087824]  ? graph_lock+0x270/0x270
[  869.091621]  ? graph_lock+0x270/0x270
[  869.095433]  ? print_usage_bug+0xc0/0xc0
[  869.099493]  ? print_usage_bug+0xc0/0xc0
[  869.103558]  ? graph_lock+0x270/0x270
[  869.107371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.112914]  ? find_held_lock+0x36/0x1c0
[  869.116990]  ? mark_held_locks+0xc7/0x130
[  869.121141]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  869.126245]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  869.131350]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  869.135962]  ? trace_hardirqs_on+0xbd/0x310
[  869.140286]  ? kasan_check_read+0x11/0x20
[  869.144431]  ? ___ratelimit+0x3b4/0x672
[  869.148406]  ? trace_hardirqs_off_caller+0x300/0x300
[  869.153512]  ? trace_hardirqs_on+0x310/0x310
[  869.157934]  ? lock_downgrade+0x900/0x900
[  869.162103]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  869.167226]  ? ___ratelimit+0x3b9/0x672
[  869.171225]  ? idr_get_free+0xf70/0xf70
[  869.175219]  ? kasan_check_read+0x11/0x20
[  869.179370]  ? do_raw_spin_unlock+0xa7/0x330
[  869.183820]  oom_kill_process.cold.27+0x10/0x903
[  869.188576]  ? graph_lock+0x270/0x270
[  869.192377]  ? _raw_spin_unlock+0x2c/0x50
[  869.196526]  ? oom_badness+0xe6/0xaa0
[  869.200349]  ? oom_evaluate_task+0x540/0x540
[  869.204762]  ? find_held_lock+0x36/0x1c0
[  869.208849]  ? out_of_memory+0x96f/0x1430
[  869.213015]  ? lock_downgrade+0x900/0x900
[  869.217163]  ? check_preemption_disabled+0x48/0x280
[  869.222181]  ? kasan_check_read+0x11/0x20
[  869.226336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.231614]  ? rcu_read_unlock_special+0x370/0x370
[  869.236549]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  869.241568]  ? oom_evaluate_task+0x302/0x540
[  869.245981]  out_of_memory+0xa7f/0x1430
[  869.249963]  ? oom_killer_disable+0x3a0/0x3a0
[  869.254487]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  869.259449]  ? __ww_mutex_check_waiters+0x160/0x160
[  869.264474]  __alloc_pages_slowpath+0x236a/0x2e30
[  869.269365]  ? warn_alloc+0x120/0x120
[  869.273165]  ? mark_held_locks+0x130/0x130
[  869.277405]  ? find_get_entry+0xaae/0x1120
[  869.281664]  ? filemap_map_pages+0x1a20/0x1a20
[  869.286257]  ? graph_lock+0x270/0x270
[  869.290068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.295604]  ? check_preemption_disabled+0x48/0x280
[  869.300622]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.306157]  ? should_fail+0x22d/0xd01
[  869.310047]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  869.315154]  ? graph_lock+0x270/0x270
[  869.318981]  ? __lock_is_held+0xb5/0x140
[  869.323063]  ? mark_held_locks+0x130/0x130
[  869.327316]  ? lock_release+0xa10/0xa10
[  869.331294]  ? perf_trace_sched_process_exec+0x860/0x860
[  869.336761]  ? xa_load+0x2ba/0x460
[  869.340307]  ? lock_downgrade+0x900/0x900
[  869.344458]  ? __might_sleep+0x95/0x190
[  869.348454]  __alloc_pages_nodemask+0xa7b/0xdd0
[  869.353136]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  869.358150]  ? __page_cache_alloc+0x177/0x570
[  869.362655]  ? xa_load+0x2e1/0x460
[  869.366198]  ? xa_clear_mark+0x40/0x40
[  869.370096]  ? graph_lock+0x270/0x270
[  869.373903]  ? graph_lock+0x270/0x270
[  869.377698]  ? graph_lock+0x270/0x270
[  869.381501]  ? __do_page_cache_readahead+0x663/0x810
[  869.386612]  ? find_held_lock+0x36/0x1c0
[  869.390690]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  869.396242]  alloc_pages_current+0x173/0x350
[  869.400661]  __page_cache_alloc+0x3ce/0x570
[  869.404985]  ? kasan_check_read+0x11/0x20
[  869.409136]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.414426]  ? generic_perform_write+0x6a0/0x6a0
[  869.419196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.424746]  ? check_preemption_disabled+0x48/0x280
[  869.429795]  filemap_fault+0x1595/0x25f0
[  869.433865]  ? __lock_page_or_retry+0xa00/0xa00
[  869.438532]  ? mark_held_locks+0x130/0x130
[  869.442783]  ? filemap_map_pages+0xd6b/0x1a20
[  869.447279]  ? lock_downgrade+0x900/0x900
[  869.451427]  ? check_preemption_disabled+0x48/0x280
[  869.456449]  ? kasan_check_read+0x11/0x20
[  869.460595]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.465869]  ? rcu_read_unlock_special+0x370/0x370
[  869.470811]  ? filemap_map_pages+0xd92/0x1a20
[  869.475318]  ? find_get_entries_tag+0x1400/0x1400
[  869.480163]  ? debug_object_destroy+0x2b0/0x2b0
[  869.484834]  ? lock_pi_update_atomic+0x150/0x150
[  869.489603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  869.495153]  ? lock_acquire+0x1ed/0x520
[  869.499127]  ? ext4_filemap_fault+0x7a/0xad
[  869.503453]  ? lock_release+0xa10/0xa10
[  869.507424]  ? perf_trace_sched_process_exec+0x860/0x860
[  869.512875]  ? print_usage_bug+0xc0/0xc0
[  869.516954]  ? print_usage_bug+0xc0/0xc0
[  869.521030]  ? down_read+0x8d/0x120
[  869.524654]  ? ext4_filemap_fault+0x7a/0xad
[  869.528974]  ? __down_interruptible+0x700/0x700
[  869.533668]  ext4_filemap_fault+0x82/0xad
[  869.537824]  __do_fault+0x100/0x6b0
[  869.541453]  ? do_futex+0x1df/0x26d0
[  869.545174]  ? pmd_devmap_trans_unstable+0x220/0x220
[  869.550285]  ? mark_held_locks+0x130/0x130
[  869.554527]  ? mark_held_locks+0x130/0x130
[  869.558777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.564324]  __handle_mm_fault+0x3ea0/0x5be0
[  869.568734]  ? perf_trace_lock+0x7a0/0x7a0
[  869.572979]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  869.577832]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  869.582427]  ? graph_lock+0x270/0x270
[  869.586230]  ? graph_lock+0x270/0x270
[  869.590044]  ? __x64_sys_futex+0x53e/0x6a0
[  869.594324]  ? find_held_lock+0x36/0x1c0
[  869.598396]  ? handle_mm_fault+0x42a/0xc70
[  869.602634]  ? lock_downgrade+0x900/0x900
[  869.606801]  ? check_preemption_disabled+0x48/0x280
[  869.611824]  ? kasan_check_read+0x11/0x20
[  869.615972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  869.621248]  ? rcu_read_unlock_special+0x370/0x370
[  869.626180]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  869.631731]  ? check_preemption_disabled+0x48/0x280
[  869.636816]  handle_mm_fault+0x54f/0xc70
[  869.640880]  ? __handle_mm_fault+0x5be0/0x5be0
[  869.645470]  ? find_vma+0x34/0x190
[  869.649021]  __do_page_fault+0x5d6/0xe40
[  869.653083]  ? trace_hardirqs_off+0xb8/0x310
[  869.657501]  do_page_fault+0xed/0x7d1
[  869.661303]  ? vmalloc_sync_all+0x30/0x30
[  869.665457]  ? error_entry+0x70/0xd0
[  869.669186]  ? trace_hardirqs_off_caller+0xbb/0x300
[  869.674255]  ? trace_hardirqs_on_caller+0xc0/0x310
[  869.679178]  ? syscall_return_slowpath+0x5e0/0x5e0
[  869.684109]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  869.688954]  ? trace_hardirqs_on_caller+0x310/0x310
[  869.693970]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  869.699428]  ? prepare_exit_to_usermode+0x291/0x3b0
[  869.704455]  ? page_fault+0x8/0x30
[  869.707992]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  869.712832]  ? page_fault+0x8/0x30
[  869.716370]  page_fault+0x1e/0x30
[  869.719819] RIP: 0033:0x45ddf3
[  869.723022] Code: Bad RIP value.
[  869.726378] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  869.731739] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  869.739008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  869.746279] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  869.753560] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  869.760842] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  869.768172] warn_alloc_show_mem: 1 callbacks suppressed
[  869.768184] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  869.768186] Mem-Info:
[  869.768227] active_anon:129018 inactive_anon:195 isolated_anon:0
[  869.768227]  active_file:12 inactive_file:15 isolated_file:0
[  869.768227]  unevictable:1 dirty:0 writeback:0 unstable:0
[  869.768227]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  869.768227]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  869.768227]  free:13741 free_pcp:161 free_cma:0
[  869.773568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  869.781624] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  869.784023] Call Trace:
[  869.817061] 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
[  869.826411]  dump_stack+0x244/0x39d
[  869.853967] lowmem_reserve[]: 0 2818 6321 6321
[  869.856551]  ? dump_stack_print_info.cold.1+0x20/0x20
[  869.882633] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  869.886275]  warn_alloc.cold.116+0xb7/0x1bd
[  869.890827] lowmem_reserve[]: 0 0 3503 3503
[  869.896008]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  869.923394] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  869.927712]  ? lock_downgrade+0x900/0x900
[  869.932010] lowmem_reserve[]: 0 0 0 0
[  869.936858]  ? trace_hardirqs_off+0xb8/0x310
[  869.965719] 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
[  869.969856]  ? trace_hardirqs_off+0xb8/0x310
[  869.973626] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  869.978030]  __alloc_pages_slowpath+0x26fe/0x2e30
[  869.991522] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  869.995967]  ? warn_alloc+0x120/0x120
[  870.010340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  870.015190]  ? warn_alloc+0x120/0x120
[  870.030415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  870.034209]  ? warn_alloc+0x120/0x120
[  870.043018] 296 total pagecache pages
[  870.046816]  ? print_usage_bug+0xc0/0xc0
[  870.055382] 0 pages in swap cache
[  870.059277]  ? print_usage_bug+0xc0/0xc0
[  870.063069] Swap cache stats: add 0, delete 0, find 0/0
[  870.067124]  ? mark_held_locks+0x130/0x130
[  870.070552] Free swap  = 0kB
[  870.074603]  ? mark_held_locks+0x130/0x130
[  870.079940] Total swap = 0kB
[  870.084168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.087160] 1965979 pages RAM
[  870.091385]  ? should_fail+0x22d/0xd01
[  870.094396] 0 pages HighMem/MovableOnly
[  870.099925]  ? graph_lock+0x270/0x270
[  870.103005] 342854 pages reserved
[  870.106882]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.110830] 0 pages cma reserved
[  870.114627]  ? __lock_acquire+0x62f/0x4c20
[  870.118131] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  870.123152]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.123166]  ? __lock_acquire+0x62f/0x4c20
[  870.123181]  ? should_fail+0x22d/0xd01
[  870.126616] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  870.130779]  ? mark_held_locks+0x130/0x130
[  870.137240] syz-fuzzer cpuset=/ mems_allowed=0
[  870.142339]  ? mark_held_locks+0x130/0x130
[  870.173628]  ? lock_downgrade+0x900/0x900
[  870.177774]  ? graph_lock+0x270/0x270
[  870.181598]  ? graph_lock+0x270/0x270
[  870.185396]  ? do_raw_spin_unlock+0xa7/0x330
[  870.189809]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  870.194566]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.200108]  ? check_preemption_disabled+0x48/0x280
[  870.205137]  ? __lock_is_held+0xb5/0x140
[  870.209220]  __alloc_pages_nodemask+0xa7b/0xdd0
[  870.213893]  ? graph_lock+0x270/0x270
[  870.217698]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  870.222723]  ? find_held_lock+0x36/0x1c0
[  870.226792]  ? ____cache_alloc_node+0x1c7/0x1e0
[  870.231466]  ? lock_downgrade+0x900/0x900
[  870.235662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.241212]  cache_grow_begin+0xa5/0x8c0
[  870.245278]  ? do_raw_spin_unlock+0xa7/0x330
[  870.249713]  fallback_alloc+0x204/0x2e0
[  870.253692]  ____cache_alloc_node+0x1c7/0x1e0
[  870.258193]  kmem_cache_alloc_node+0xe3/0x730
[  870.262702]  ? lockdep_hardirqs_on+0x296/0x5b0
[  870.267294]  __alloc_skb+0x114/0x770
[  870.271026]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  870.276395]  ? netdev_alloc_frag+0x1f0/0x1f0
[  870.280826]  ? vprintk_default+0x28/0x30
[  870.284890]  ? vprintk_func+0x85/0x181
[  870.288795]  ? printk+0xa7/0xcf
[  870.292073]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  870.296853]  ? do_raw_spin_trylock+0x270/0x270
[  870.301438]  new_skb+0x26/0x1c0
[  870.304719]  aoecmd_cfg+0x279/0x7f0
[  870.308353]  ? find_held_lock+0x36/0x1c0
[  870.312416]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  870.316758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.322321]  ? __lock_is_held+0xb5/0x140
[  870.326392]  discover_timer+0x50/0x60
[  870.330193]  call_timer_fn+0x26d/0x920
[  870.334099]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  870.338937]  ? process_timeout+0x40/0x40
[  870.343016]  ? __run_timers+0x7d5/0xc60
[  870.347013]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.351507]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.355999]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  870.360838]  ? lockdep_hardirqs_on+0x296/0x5b0
[  870.365423]  ? trace_hardirqs_on+0xbd/0x310
[  870.369739]  ? kasan_check_read+0x11/0x20
[  870.373887]  ? __run_timers+0x7d5/0xc60
[  870.377861]  ? trace_hardirqs_off_caller+0x300/0x300
[  870.382973]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  870.387811]  __run_timers+0x7e0/0xc60
[  870.391621]  ? timer_fixup_init+0x70/0x70
[  870.395770]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.400285]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.404777]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  870.409373]  ? trace_hardirqs_on+0xbd/0x310
[  870.413691]  ? kasan_check_read+0x11/0x20
[  870.417858]  ? finish_task_switch+0x1f4/0x920
[  870.422365]  ? trace_hardirqs_off_caller+0x300/0x300
[  870.427485]  ? compat_start_thread+0x80/0x80
[  870.431947]  ? pvclock_read_flags+0x160/0x160
[  870.436460]  ? __switch_to_asm+0x34/0x70
[  870.440539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.446074]  ? check_preemption_disabled+0x48/0x280
[  870.451096]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  870.456631]  ? rcu_pm_notify+0xc0/0xc0
[  870.460518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.466055]  ? check_preemption_disabled+0x48/0x280
[  870.471076]  run_timer_softirq+0x52/0xb0
[  870.475133]  ? rcu_read_lock_sched_held+0x14f/0x180
[  870.480146]  __do_softirq+0x308/0xb7e
[  870.483949]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  870.488703]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  870.493813]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  870.498596]  ? trace_hardirqs_off+0xb8/0x310
[  870.503018]  ? smpboot_thread_fn+0x68b/0xa00
[  870.507425]  ? trace_hardirqs_on+0x310/0x310
[  870.511837]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.517376]  ? check_preemption_disabled+0x48/0x280
[  870.522393]  ? takeover_tasklets+0xa90/0xa90
[  870.526802]  run_ksoftirqd+0x5e/0x100
[  870.530600]  smpboot_thread_fn+0x68b/0xa00
[  870.534840]  ? sort_range+0x30/0x30
[  870.538486]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  870.543589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.549137]  ? __kthread_parkme+0xfb/0x1a0
[  870.553379]  ? sort_range+0x30/0x30
[  870.557016]  kthread+0x35a/0x440
[  870.560387]  ? kthread_stop+0x8f0/0x8f0
[  870.564374]  ret_from_fork+0x3a/0x50
[  870.568114] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  870.568198] aoe: skb alloc failure
[  870.576342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  870.576348] Call Trace:
[  870.576355]  <IRQ>
[  870.576374]  dump_stack+0x244/0x39d
[  870.576392]  ? dump_stack_print_info.cold.1+0x20/0x20
[  870.580009] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  870.589294]  warn_alloc.cold.116+0xb7/0x1bd
[  870.591848] ksoftirqd/0 cpuset=/ mems_allowed=0
[  870.593990]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  870.626857]  ? lock_downgrade+0x900/0x900
[  870.631015]  ? trace_hardirqs_off+0xb8/0x310
[  870.635432]  ? trace_hardirqs_off+0xb8/0x310
[  870.639851]  __alloc_pages_slowpath+0x26fe/0x2e30
[  870.644726]  ? warn_alloc+0x120/0x120
[  870.648529]  ? print_usage_bug+0xc0/0xc0
[  870.652588]  ? warn_alloc+0x120/0x120
[  870.656395]  ? warn_alloc+0x120/0x120
[  870.660193]  ? print_usage_bug+0xc0/0xc0
[  870.664297]  ? print_usage_bug+0xc0/0xc0
[  870.668359]  ? __lock_acquire+0x62f/0x4c20
[  870.672602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  870.678158]  ? should_fail+0x22d/0xd01
[  870.682046]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.687149]  ? __lock_acquire+0x62f/0x4c20
[  870.691435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  870.696535]  ? __lock_acquire+0x62f/0x4c20
[  870.700762]  ? should_fail+0x22d/0xd01
[  870.704659]  ? find_held_lock+0x36/0x1c0
[  870.708741]  ? mark_held_locks+0x130/0x130
[  870.713016]  ? mark_held_locks+0x130/0x130
[  870.717246]  ? graph_lock+0x270/0x270
[  870.721049]  ? graph_lock+0x270/0x270
[  870.724877]  ? print_usage_bug+0xc0/0xc0
[  870.728929]  ? do_raw_spin_unlock+0xa7/0x330
[  870.733352]  ? graph_lock+0x270/0x270
[  870.737162]  ? print_usage_bug+0xc0/0xc0
[  870.741223]  ? wq_watchdog_touch+0x9c/0xfe
[  870.745463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.750995]  ? check_preemption_disabled+0x48/0x280
[  870.756021]  ? __lock_is_held+0xb5/0x140
[  870.760081]  __alloc_pages_nodemask+0xa7b/0xdd0
[  870.764763]  ? graph_lock+0x270/0x270
[  870.768577]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  870.773618]  ? find_held_lock+0x36/0x1c0
[  870.777686]  ? ____cache_alloc_node+0x1c7/0x1e0
[  870.782360]  ? lock_downgrade+0x900/0x900
[  870.786515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.792062]  cache_grow_begin+0xa5/0x8c0
[  870.796122]  ? do_raw_spin_unlock+0xa7/0x330
[  870.800569]  fallback_alloc+0x204/0x2e0
[  870.804555]  ____cache_alloc_node+0x1c7/0x1e0
[  870.809055]  kmem_cache_alloc_node+0xe3/0x730
[  870.813603]  ? ipv6_get_ifaddr+0x42e/0x620
[  870.817852]  __alloc_skb+0x114/0x770
[  870.821563]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  870.826861]  ? netdev_alloc_frag+0x1f0/0x1f0
[  870.831285]  ? lock_downgrade+0x900/0x900
[  870.835456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.840995]  ? refcount_sub_and_test_checked+0x203/0x310
[  870.846454]  ? refcount_dec_if_one+0x180/0x180
[  870.851034]  ? addrconf_rs_timer+0x690/0x690
[  870.855467]  ndisc_alloc_skb+0x144/0x340
[  870.859551]  ndisc_send_rs+0x331/0x6e0
[  870.863458]  addrconf_rs_timer+0x314/0x690
[  870.867734]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  870.871982]  call_timer_fn+0x26d/0x920
[  870.875882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  870.880119]  ? process_timeout+0x40/0x40
[  870.884189]  ? mark_held_locks+0xc7/0x130
[  870.888351]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.892846]  ? _raw_spin_unlock_irq+0x27/0x80
[  870.897345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  870.901581]  ? lockdep_hardirqs_on+0x296/0x5b0
[  870.906180]  ? trace_hardirqs_on+0xbd/0x310
[  870.910526]  ? kasan_check_read+0x11/0x20
[  870.914671]  ? __run_timers+0x7d5/0xc60
[  870.918649]  ? trace_hardirqs_off_caller+0x300/0x300
[  870.923756]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  870.928012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  870.932248]  __run_timers+0x7e0/0xc60
[  870.936076]  ? timer_fixup_init+0x70/0x70
[  870.940234]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  870.945433]  ? graph_lock+0x270/0x270
[  870.949264]  ? print_usage_bug+0xc0/0xc0
[  870.953328]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  870.958530]  ? find_held_lock+0x36/0x1c0
[  870.962598]  ? graph_lock+0x270/0x270
[  870.966418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.971954]  ? check_preemption_disabled+0x48/0x280
[  870.976986]  ? __lock_is_held+0xb5/0x140
[  870.981052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  870.986599]  ? check_preemption_disabled+0x48/0x280
[  870.991643]  run_timer_softirq+0x52/0xb0
[  870.995707]  ? rcu_read_lock_sched_held+0x14f/0x180
[  871.000753]  __do_softirq+0x308/0xb7e
[  871.004599]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  871.009117]  ? lock_downgrade+0x900/0x900
[  871.013296]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  871.018425]  ? pvclock_read_flags+0x160/0x160
[  871.022932]  ? lapic_next_event+0x5a/0x90
[  871.027090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.032642]  ? kvm_clock_read+0x18/0x30
[  871.036643]  ? kvm_sched_clock_read+0x9/0x20
[  871.041079]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.046625]  ? check_preemption_disabled+0x48/0x280
[  871.051656]  irq_exit+0x17f/0x1c0
[  871.055117]  smp_apic_timer_interrupt+0x1cb/0x760
[  871.059975]  ? smp_reschedule_interrupt+0x109/0x650
[  871.064998]  ? smp_call_function_single_interrupt+0x640/0x640
[  871.070914]  ? interrupt_entry+0xb5/0xc0
[  871.075448]  ? trace_hardirqs_off_caller+0xbb/0x300
[  871.080470]  ? trace_hardirqs_off_caller+0xbb/0x300
[  871.085495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.090348]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.095372]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.100410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.105284]  apic_timer_interrupt+0xf/0x20
[  871.109524]  </IRQ>
[  871.111765] RIP: 0010:dump_stack+0x358/0x39d
[  871.116185] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  871.135111] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  871.142832] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  871.150112] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  871.157387] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  871.164663] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  871.171942] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  871.179256]  ? dump_stack+0x34f/0x39d
[  871.183081]  ? dump_stack_print_info.cold.1+0x20/0x20
[  871.190824]  ? mark_held_locks+0x130/0x130
[  871.195082]  ? mark_held_locks+0x130/0x130
[  871.199699]  dump_header+0x27b/0xf72
[  871.203439]  ? pagefault_out_of_memory+0x197/0x197
[  871.208382]  ? mark_held_locks+0x130/0x130
[  871.212625]  ? __lock_acquire+0x62f/0x4c20
[  871.216880]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  871.221694]  ? print_usage_bug+0xc0/0xc0
[  871.225779]  ? graph_lock+0x270/0x270
[  871.229594]  ? graph_lock+0x270/0x270
[  871.233401]  ? print_usage_bug+0xc0/0xc0
[  871.237464]  ? print_usage_bug+0xc0/0xc0
[  871.241537]  ? graph_lock+0x270/0x270
[  871.245351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.250905]  ? find_held_lock+0x36/0x1c0
[  871.254987]  ? mark_held_locks+0xc7/0x130
[  871.259147]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  871.264272]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  871.269388]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  871.274009]  ? trace_hardirqs_on+0xbd/0x310
[  871.278353]  ? kasan_check_read+0x11/0x20
[  871.282509]  ? ___ratelimit+0x3b4/0x672
[  871.286500]  ? trace_hardirqs_off_caller+0x300/0x300
[  871.291620]  ? trace_hardirqs_on+0x310/0x310
[  871.296087]  ? lock_downgrade+0x900/0x900
[  871.300255]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  871.305377]  ? ___ratelimit+0x3b9/0x672
[  871.309365]  ? idr_get_free+0xf70/0xf70
[  871.313349]  ? kasan_check_read+0x11/0x20
[  871.317507]  ? do_raw_spin_unlock+0xa7/0x330
[  871.321937]  oom_kill_process.cold.27+0x10/0x903
[  871.326723]  ? graph_lock+0x270/0x270
[  871.330532]  ? _raw_spin_unlock+0x2c/0x50
[  871.334688]  ? oom_badness+0xe6/0xaa0
[  871.338509]  ? oom_evaluate_task+0x540/0x540
[  871.342931]  ? find_held_lock+0x36/0x1c0
[  871.347009]  ? out_of_memory+0x96f/0x1430
[  871.351171]  ? lock_downgrade+0x900/0x900
[  871.355332]  ? check_preemption_disabled+0x48/0x280
[  871.360369]  ? kasan_check_read+0x11/0x20
[  871.364524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.369829]  ? rcu_read_unlock_special+0x370/0x370
[  871.374777]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  871.379829]  ? oom_evaluate_task+0x302/0x540
[  871.384253]  out_of_memory+0xa7f/0x1430
[  871.388255]  ? oom_killer_disable+0x3a0/0x3a0
[  871.392765]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  871.397721]  ? __ww_mutex_check_waiters+0x160/0x160
[  871.402768]  __alloc_pages_slowpath+0x236a/0x2e30
[  871.407657]  ? warn_alloc+0x120/0x120
[  871.411470]  ? mark_held_locks+0x130/0x130
[  871.415730]  ? find_get_entry+0xaae/0x1120
[  871.419994]  ? filemap_map_pages+0x1a20/0x1a20
[  871.424593]  ? graph_lock+0x270/0x270
[  871.428411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.433978]  ? check_preemption_disabled+0x48/0x280
[  871.439012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.444564]  ? should_fail+0x22d/0xd01
[  871.448586]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  871.453725]  ? graph_lock+0x270/0x270
[  871.457565]  ? __lock_is_held+0xb5/0x140
[  871.461674]  ? mark_held_locks+0x130/0x130
[  871.465937]  ? lock_release+0xa10/0xa10
[  871.469927]  ? perf_trace_sched_process_exec+0x860/0x860
[  871.475415]  ? xa_load+0x2ba/0x460
[  871.478982]  ? lock_downgrade+0x900/0x900
[  871.483147]  ? __might_sleep+0x95/0x190
[  871.487154]  __alloc_pages_nodemask+0xa7b/0xdd0
[  871.491842]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  871.496876]  ? __page_cache_alloc+0x177/0x570
[  871.501381]  ? xa_load+0x2e1/0x460
[  871.504932]  ? xa_clear_mark+0x40/0x40
[  871.508831]  ? graph_lock+0x270/0x270
[  871.512674]  ? graph_lock+0x270/0x270
[  871.516481]  ? graph_lock+0x270/0x270
[  871.520291]  ? __do_page_cache_readahead+0x663/0x810
[  871.525415]  ? find_held_lock+0x36/0x1c0
[  871.529497]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  871.535058]  alloc_pages_current+0x173/0x350
[  871.539486]  __page_cache_alloc+0x3ce/0x570
[  871.543823]  ? kasan_check_read+0x11/0x20
[  871.547979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.553272]  ? generic_perform_write+0x6a0/0x6a0
[  871.558043]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.563598]  ? check_preemption_disabled+0x48/0x280
[  871.568675]  filemap_fault+0x1595/0x25f0
[  871.572782]  ? __lock_page_or_retry+0xa00/0xa00
[  871.577467]  ? mark_held_locks+0x130/0x130
[  871.581725]  ? filemap_map_pages+0xd6b/0x1a20
[  871.586265]  ? lock_downgrade+0x900/0x900
[  871.590421]  ? check_preemption_disabled+0x48/0x280
[  871.595455]  ? kasan_check_read+0x11/0x20
[  871.599646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.604937]  ? rcu_read_unlock_special+0x370/0x370
[  871.609898]  ? filemap_map_pages+0xd92/0x1a20
[  871.614418]  ? find_get_entries_tag+0x1400/0x1400
[  871.619291]  ? debug_object_destroy+0x2b0/0x2b0
[  871.623988]  ? lock_pi_update_atomic+0x150/0x150
[  871.628758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  871.634356]  ? lock_acquire+0x1ed/0x520
[  871.638353]  ? ext4_filemap_fault+0x7a/0xad
[  871.642705]  ? lock_release+0xa10/0xa10
[  871.646713]  ? perf_trace_sched_process_exec+0x860/0x860
[  871.652229]  ? print_usage_bug+0xc0/0xc0
[  871.656333]  ? print_usage_bug+0xc0/0xc0
[  871.660426]  ? down_read+0x8d/0x120
[  871.664066]  ? ext4_filemap_fault+0x7a/0xad
[  871.668407]  ? __down_interruptible+0x700/0x700
[  871.673100]  ext4_filemap_fault+0x82/0xad
[  871.677264]  __do_fault+0x100/0x6b0
[  871.680896]  ? do_futex+0x1df/0x26d0
[  871.684620]  ? pmd_devmap_trans_unstable+0x220/0x220
[  871.689752]  ? mark_held_locks+0x130/0x130
[  871.693999]  ? mark_held_locks+0x130/0x130
[  871.698261]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.703820]  __handle_mm_fault+0x3ea0/0x5be0
[  871.708247]  ? perf_trace_lock+0x7a0/0x7a0
[  871.712518]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  871.717390]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  871.722001]  ? graph_lock+0x270/0x270
[  871.725813]  ? graph_lock+0x270/0x270
[  871.729622]  ? __x64_sys_futex+0x53e/0x6a0
[  871.733875]  ? find_held_lock+0x36/0x1c0
[  871.737957]  ? handle_mm_fault+0x42a/0xc70
[  871.742214]  ? lock_downgrade+0x900/0x900
[  871.746378]  ? check_preemption_disabled+0x48/0x280
[  871.751416]  ? kasan_check_read+0x11/0x20
[  871.755580]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  871.760874]  ? rcu_read_unlock_special+0x370/0x370
[  871.765820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  871.771394]  ? check_preemption_disabled+0x48/0x280
[  871.776444]  handle_mm_fault+0x54f/0xc70
[  871.780515]  ? __handle_mm_fault+0x5be0/0x5be0
[  871.785113]  ? find_vma+0x34/0x190
[  871.788665]  __do_page_fault+0x5d6/0xe40
[  871.792737]  ? trace_hardirqs_off+0xb8/0x310
[  871.797171]  do_page_fault+0xed/0x7d1
[  871.801000]  ? vmalloc_sync_all+0x30/0x30
[  871.805159]  ? error_entry+0x70/0xd0
[  871.808883]  ? trace_hardirqs_off_caller+0xbb/0x300
[  871.813923]  ? trace_hardirqs_on_caller+0xc0/0x310
[  871.818858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  871.823794]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.828651]  ? trace_hardirqs_on_caller+0x310/0x310
[  871.833674]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  871.839142]  ? prepare_exit_to_usermode+0x291/0x3b0
[  871.844175]  ? page_fault+0x8/0x30
[  871.847763]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  871.852630]  ? page_fault+0x8/0x30
[  871.856178]  page_fault+0x1e/0x30
[  871.859639] RIP: 0033:0x45ddf3
[  871.862850] Code: Bad RIP value.
[  871.866227] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  871.871604] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  871.878888] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  871.886184] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  871.893480] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  871.900780] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  871.908100] warn_alloc_show_mem: 1 callbacks suppressed
[  871.908114] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  871.908116] Mem-Info:
[  871.908149] active_anon:129018 inactive_anon:195 isolated_anon:0
[  871.908149]  active_file:12 inactive_file:15 isolated_file:0
[  871.908149]  unevictable:1 dirty:0 writeback:0 unstable:0
[  871.908149]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  871.908149]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  871.908149]  free:13741 free_pcp:161 free_cma:0
[  871.913548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  871.921629] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  871.924059] Call Trace:
[  871.957113] 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
[  871.966509]  dump_stack+0x244/0x39d
[  871.994081] lowmem_reserve[]: 0 2818 6321 6321
[  871.996690]  ? dump_stack_print_info.cold.1+0x20/0x20
[  872.022780] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  872.026439]  warn_alloc.cold.116+0xb7/0x1bd
[  872.030969] lowmem_reserve[]: 0 0 3503 3503
[  872.036154]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  872.063555] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  872.067874]  ? lock_downgrade+0x900/0x900
[  872.072164] lowmem_reserve[]: 0 0 0 0
[  872.077009]  ? trace_hardirqs_off+0xb8/0x310
[  872.105861] 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
[  872.110002]  ? trace_hardirqs_off+0xb8/0x310
[  872.113774] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  872.118184]  __alloc_pages_slowpath+0x26fe/0x2e30
[  872.131696] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  872.136122]  ? warn_alloc+0x120/0x120
[  872.150474] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  872.155303]  ? warn_alloc+0x120/0x120
[  872.170542] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  872.174334]  ? warn_alloc+0x120/0x120
[  872.183147] 296 total pagecache pages
[  872.186943]  ? warn_alloc+0x120/0x120
[  872.195504] 0 pages in swap cache
[  872.199296]  ? mark_held_locks+0x130/0x130
[  872.203069] Swap cache stats: add 0, delete 0, find 0/0
[  872.206870]  ? print_usage_bug+0xc0/0xc0
[  872.210298] Free swap  = 0kB
[  872.214519]  ? mark_held_locks+0x130/0x130
[  872.214539]  ? print_usage_bug+0xc0/0xc0
[  872.219878] Total swap = 0kB
[  872.223931]  ? graph_lock+0x270/0x270
[  872.226926] 1965979 pages RAM
[  872.231155]  ? put_dec+0x3b/0xf0
[  872.235190] 0 pages HighMem/MovableOnly
[  872.238229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.241996] 342854 pages reserved
[  872.245093]  ? should_fail+0x22d/0xd01
[  872.248436] 0 pages cma reserved
[  872.252407]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  872.257992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  872.261358]  ? __lock_acquire+0x62f/0x4c20
[  872.261376]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  872.261393]  ? __lock_acquire+0x62f/0x4c20
[  872.265325] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  872.268614]  ? should_fail+0x22d/0xd01
[  872.273694] syz-fuzzer cpuset=/ mems_allowed=0
[  872.280184]  ? mark_held_locks+0x130/0x130
[  872.316557]  ? mark_held_locks+0x130/0x130
[  872.320799]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  872.325560]  ? lockdep_hardirqs_on+0x296/0x5b0
[  872.330155]  ? graph_lock+0x270/0x270
[  872.333958]  ? print_usage_bug+0xc0/0xc0
[  872.338020]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  872.342782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.348320]  ? check_preemption_disabled+0x48/0x280
[  872.353346]  ? __lock_is_held+0xb5/0x140
[  872.357420]  __alloc_pages_nodemask+0xa7b/0xdd0
[  872.362094]  ? graph_lock+0x270/0x270
[  872.365933]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  872.370972]  ? find_held_lock+0x36/0x1c0
[  872.375044]  ? ____cache_alloc_node+0x1c7/0x1e0
[  872.379717]  ? lock_downgrade+0x900/0x900
[  872.383875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.389422]  cache_grow_begin+0xa5/0x8c0
[  872.393483]  ? do_raw_spin_unlock+0xa7/0x330
[  872.397930]  fallback_alloc+0x204/0x2e0
[  872.401931]  ____cache_alloc_node+0x1c7/0x1e0
[  872.406430]  kmem_cache_alloc_node+0xe3/0x730
[  872.410941]  ? ipv6_get_ifaddr+0x42e/0x620
[  872.415183]  __alloc_skb+0x114/0x770
[  872.418905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  872.424183]  ? netdev_alloc_frag+0x1f0/0x1f0
[  872.428602]  ? lock_downgrade+0x900/0x900
[  872.432771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.438324]  ? refcount_sub_and_test_checked+0x203/0x310
[  872.443780]  ? refcount_dec_if_one+0x180/0x180
[  872.448389]  ? addrconf_rs_timer+0x690/0x690
[  872.452810]  ndisc_alloc_skb+0x144/0x340
[  872.456880]  ndisc_send_rs+0x331/0x6e0
[  872.460772]  addrconf_rs_timer+0x314/0x690
[  872.465027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.469281]  call_timer_fn+0x26d/0x920
[  872.473183]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.477458]  ? process_timeout+0x40/0x40
[  872.481525]  ? __run_timers+0x7d5/0xc60
[  872.485508]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.490020]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.494509]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.498748]  ? lockdep_hardirqs_on+0x296/0x5b0
[  872.503335]  ? trace_hardirqs_on+0xbd/0x310
[  872.507655]  ? kasan_check_read+0x11/0x20
[  872.511798]  ? __run_timers+0x7d5/0xc60
[  872.515770]  ? trace_hardirqs_off_caller+0x300/0x300
[  872.520892]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  872.525741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  872.529977]  __run_timers+0x7e0/0xc60
[  872.533819]  ? timer_fixup_init+0x70/0x70
[  872.537988]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.542486]  ? _raw_spin_unlock_irq+0x27/0x80
[  872.546983]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  872.551568]  ? trace_hardirqs_on+0xbd/0x310
[  872.555893]  ? kasan_check_read+0x11/0x20
[  872.560045]  ? finish_task_switch+0x1f4/0x920
[  872.564542]  ? trace_hardirqs_off_caller+0x300/0x300
[  872.569685]  ? compat_start_thread+0x80/0x80
[  872.574147]  ? pvclock_read_flags+0x160/0x160
[  872.578639]  ? __switch_to_asm+0x34/0x70
[  872.582720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.588256]  ? check_preemption_disabled+0x48/0x280
[  872.593284]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  872.598824]  ? rcu_pm_notify+0xc0/0xc0
[  872.602730]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.608267]  ? check_preemption_disabled+0x48/0x280
[  872.613293]  run_timer_softirq+0x52/0xb0
[  872.617353]  ? rcu_read_lock_sched_held+0x14f/0x180
[  872.622369]  __do_softirq+0x308/0xb7e
[  872.626177]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  872.630952]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  872.636062]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  872.640829]  ? trace_hardirqs_off+0xb8/0x310
[  872.645302]  ? smpboot_thread_fn+0x68b/0xa00
[  872.649714]  ? trace_hardirqs_on+0x310/0x310
[  872.654122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.659657]  ? check_preemption_disabled+0x48/0x280
[  872.664703]  ? takeover_tasklets+0xa90/0xa90
[  872.669122]  run_ksoftirqd+0x5e/0x100
[  872.672920]  smpboot_thread_fn+0x68b/0xa00
[  872.677156]  ? sort_range+0x30/0x30
[  872.680788]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  872.685893]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.691444]  ? __kthread_parkme+0xfb/0x1a0
[  872.695681]  ? sort_range+0x30/0x30
[  872.699309]  kthread+0x35a/0x440
[  872.702676]  ? kthread_stop+0x8f0/0x8f0
[  872.706659]  ret_from_fork+0x3a/0x50
[  872.710394] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  872.710473] rcu: INFO: rcu_preempt self-detected stall on CPU
[  872.718655] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  872.724970] rcu: 	0-...!: (1 GPs behind) idle=5b2/1/0x4000000000000002 softirq=29624/29625 fqs=0 
[  872.733848] Call Trace:
[  872.733855]  <IRQ>
[  872.733873]  dump_stack+0x244/0x39d
[  872.733890]  ? dump_stack_print_info.cold.1+0x20/0x20
[  872.733917]  warn_alloc.cold.116+0xb7/0x1bd
[  872.733932]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  872.733951]  ? lock_downgrade+0x900/0x900
[  872.733973]  ? trace_hardirqs_off+0xb8/0x310
[  872.733992]  ? trace_hardirqs_off+0xb8/0x310
[  872.734014]  __alloc_pages_slowpath+0x26fe/0x2e30
[  872.734056]  ? warn_alloc+0x120/0x120
[  872.734072]  ? print_usage_bug+0xc0/0xc0
[  872.734086]  ? warn_alloc+0x120/0x120
[  872.734104]  ? warn_alloc+0x120/0x120
[  872.734119]  ? print_usage_bug+0xc0/0xc0
[  872.734137]  ? print_usage_bug+0xc0/0xc0
[  872.734151]  ? __lock_acquire+0x62f/0x4c20
[  872.734171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  872.743649] rcu: 	 (t=10601 jiffies g=34565 q=33)
[  872.746238]  ? should_fail+0x22d/0xd01
[  872.748373] rcu: rcu_preempt kthread starved for 10601 jiffies! g34565 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  872.751985]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  872.757152] rcu: RCU grace-period kthread stack dump:
[  872.761468]  ? __lock_acquire+0x62f/0x4c20
[  872.766304] rcu_preempt     R  running task    22776    10      2 0x80000000
[  872.770448]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  872.774843] Call Trace:
[  872.779245]  ? __lock_acquire+0x62f/0x4c20
[  872.784100]  __schedule+0x8cf/0x21d0
[  872.787879]  ? should_fail+0x22d/0xd01
[  872.791934]  ? __sched_text_start+0x8/0x8
[  872.795713]  ? find_held_lock+0x36/0x1c0
[  872.799496]  ? add_timer_on+0xa10/0xa10
[  872.803542]  ? mark_held_locks+0x130/0x130
[  872.807589]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  872.811808]  ? mark_held_locks+0x130/0x130
[  872.817328]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  872.822155]  ? graph_lock+0x270/0x270
[  872.826034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  872.836515]  ? graph_lock+0x270/0x270
[  872.841611]  ? trace_hardirqs_on+0xbd/0x310
[  872.846781]  ? print_usage_bug+0xc0/0xc0
[  872.850999]  ? kasan_check_read+0x11/0x20
[  872.858171]  ? do_raw_spin_unlock+0xa7/0x330
[  872.863284]  ? prepare_to_swait_event+0x25a/0x800
[  872.865848]  ? graph_lock+0x270/0x270
[  872.870070]  ? trace_hardirqs_off_caller+0x300/0x300
[  872.873770]  ? print_usage_bug+0xc0/0xc0
[  872.877650]  schedule+0xef/0x370
[  872.881767]  ? wq_watchdog_touch+0x9c/0xfe
[  872.885813]  ? __schedule+0x21d0/0x21d0
[  872.889772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.893991]  ? __init_swait_queue_head+0x150/0x150
[  872.899074]  ? check_preemption_disabled+0x48/0x280
[  872.903290]  ? __lockdep_init_map+0x105/0x590
[  872.908384]  ? __lock_is_held+0xb5/0x140
[  872.912166]  ? lockdep_init_map+0x9/0x10
[  872.916745]  __alloc_pages_nodemask+0xa7b/0xdd0
[  872.920526]  schedule_timeout+0x140/0x260
[  872.924829]  ? graph_lock+0x270/0x270
[  872.928870]  ? usleep_range+0x1a0/0x1a0
[  872.933003]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  872.937398]  ? __next_timer_interrupt+0x1a0/0x1a0
[  872.942365]  ? find_held_lock+0x36/0x1c0
[  872.946165]  rcu_gp_fqs_loop+0x762/0xa80
[  872.951255]  ? ____cache_alloc_node+0x1c7/0x1e0
[  872.955305]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  872.958650]  ? lock_downgrade+0x900/0x900
[  872.962872]  ? trace_hardirqs_off_caller+0x300/0x300
[  872.966838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.972375]  ? perf_trace_sched_process_exec+0x860/0x860
[  872.977291]  cache_grow_begin+0xa5/0x8c0
[  872.982297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  872.986776]  ? do_raw_spin_unlock+0xa7/0x330
[  872.990878]  ? rcu_gp_init+0x90b/0x1260
[  872.994941]  fallback_alloc+0x204/0x2e0
[  872.999614]  ? dump_blkd_tasks.isra.49+0xe0/0xe0
[  873.003752]  ____cache_alloc_node+0x1c7/0x1e0
[  873.007540]  ? graph_lock+0x270/0x270
[  873.011506]  kmem_cache_alloc_node+0xe3/0x730
[  873.018004]  ? find_held_lock+0x36/0x1c0
[  873.022881]  ? ipv6_get_ifaddr+0x42e/0x620
[  873.026929]  ? graph_lock+0x270/0x270
[  873.030998]  __alloc_skb+0x114/0x770
[  873.035658]  ? __lock_is_held+0xb5/0x140
[  873.040421]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  873.044563]  ? __lock_is_held+0xb5/0x140
[  873.049651]  ? netdev_alloc_frag+0x1f0/0x1f0
[  873.055179]  ? graph_lock+0x270/0x270
[  873.060616]  ? lock_downgrade+0x900/0x900
[  873.064682]  ? rcu_accelerate_cbs+0x10a/0xae0
[  873.070214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.074889]  ? find_held_lock+0x36/0x1c0
[  873.078848]  ? refcount_sub_and_test_checked+0x203/0x310
[  873.082810]  ? rcu_gp_kthread+0x8d6/0xc70
[  873.087552]  ? refcount_dec_if_one+0x180/0x180
[  873.092038]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.095840]  ? addrconf_rs_timer+0x690/0x690
[  873.100325]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.104378]  ndisc_alloc_skb+0x144/0x340
[  873.108596]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  873.112380]  ndisc_send_rs+0x331/0x6e0
[  873.116087]  ? trace_hardirqs_on+0xbd/0x310
[  873.120134]  addrconf_rs_timer+0x314/0x690
[  873.125398]  ? kasan_check_read+0x11/0x20
[  873.129454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  873.133848]  ? trace_hardirqs_off_caller+0x300/0x300
[  873.137666]  call_timer_fn+0x26d/0x920
[  873.141795]  ? perf_trace_sched_process_exec+0x860/0x860
[  873.146274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  873.151807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.155852]  ? process_timeout+0x40/0x40
[  873.161304]  rcu_gp_kthread+0x341/0xc70
[  873.165439]  ? mark_held_locks+0xc7/0x130
[  873.170006]  ? rcu_gp_init+0x1260/0x1260
[  873.174490]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.178887]  ? mark_held_locks+0x130/0x130
[  873.183377]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.187431]  ? __schedule+0x168b/0x21d0
[  873.191996]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  873.195873]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.200184]  ? lockdep_hardirqs_on+0x296/0x5b0
[  873.204412]  ? _raw_spin_unlock_irq+0x27/0x80
[  873.208558]  ? trace_hardirqs_on+0xbd/0x310
[  873.212780]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  873.217885]  ? kasan_check_read+0x11/0x20
[  873.221772]  ? trace_hardirqs_on+0xbd/0x310
[  873.227203]  ? __run_timers+0x7d5/0xc60
[  873.231450]  ? kasan_check_read+0x11/0x20
[  873.236974]  ? trace_hardirqs_off_caller+0x300/0x300
[  873.241020]  ? __schedule+0x168b/0x21d0
[  873.245062]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  873.249231]  ? trace_hardirqs_off_caller+0x300/0x300
[  873.253286]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  873.257768]  ? lock_pin_lock+0x350/0x350
[  873.261986]  __run_timers+0x7e0/0xc60
[  873.266485]  ? _raw_spin_unlock_irq+0x60/0x80
[  873.270462]  ? timer_fixup_init+0x70/0x70
[  873.274679]  ? __schedule+0x168b/0x21d0
[  873.279170]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  873.283743]  ? membarrier_private_expedited+0x2a1/0x5c0
[  873.288240]  ? graph_lock+0x270/0x270
[  873.292551]  ? __sched_text_start+0x8/0x8
[  873.297136]  ? print_usage_bug+0xc0/0xc0
[  873.301285]  ? __sched_text_start+0x8/0x8
[  873.305597]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  873.309560]  ? find_held_lock+0x36/0x1c0
[  873.313692]  ? find_held_lock+0x36/0x1c0
[  873.318811]  ? __kthread_parkme+0xce/0x1a0
[  873.322765]  ? graph_lock+0x270/0x270
[  873.326990]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  873.332081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.336303]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  873.340358]  ? check_preemption_disabled+0x48/0x280
[  873.344146]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  873.348630]  ? __lock_is_held+0xb5/0x140
[  873.352766]  ? trace_hardirqs_on+0xbd/0x310
[  873.356733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.361739]  ? kasan_check_read+0x11/0x20
[  873.367090]  ? check_preemption_disabled+0x48/0x280
[  873.370881]  ? __kthread_parkme+0xce/0x1a0
[  873.375012]  run_timer_softirq+0x52/0xb0
[  873.379068]  ? trace_hardirqs_off_caller+0x300/0x300
[  873.383199]  ? rcu_read_lock_sched_held+0x14f/0x180
[  873.388390]  ? __schedule+0x21d0/0x21d0
[  873.392437]  __do_softirq+0x308/0xb7e
[  873.396497]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  873.400723]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  873.404507]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  873.409596]  ? lock_downgrade+0x900/0x900
[  873.415126]  ? __kthread_parkme+0xfb/0x1a0
[  873.420224]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  873.425257]  ? rcu_gp_init+0x1260/0x1260
[  873.429848]  ? pvclock_read_flags+0x160/0x160
[  873.433891]  kthread+0x35a/0x440
[  873.438201]  ? lapic_next_event+0x5a/0x90
[  873.443744]  ? kthread_stop+0x8f0/0x8f0
[  873.447883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.452892]  ret_from_fork+0x3a/0x50
[  873.457113]  ? kvm_clock_read+0x18/0x30
[  873.461168] NMI backtrace for cpu 0
[  873.466256]  ? kvm_sched_clock_read+0x9/0x20
[  873.548843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  873.554411]  ? check_preemption_disabled+0x48/0x280
[  873.559458]  irq_exit+0x17f/0x1c0
[  873.562933]  smp_apic_timer_interrupt+0x1cb/0x760
[  873.567786]  ? smp_reschedule_interrupt+0x109/0x650
[  873.572817]  ? smp_call_function_single_interrupt+0x640/0x640
[  873.578742]  ? interrupt_entry+0xb5/0xc0
[  873.582823]  ? trace_hardirqs_off_caller+0xbb/0x300
[  873.587851]  ? trace_hardirqs_off_caller+0xbb/0x300
[  873.592885]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.597746]  ? trace_hardirqs_on_caller+0x310/0x310
[  873.602776]  ? trace_hardirqs_on_caller+0x310/0x310
[  873.607836]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  873.612701]  apic_timer_interrupt+0xf/0x20
[  873.616960]  </IRQ>
[  873.619214] RIP: 0010:dump_stack+0x358/0x39d
[  873.623635] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  873.642554] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  873.650285] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  873.657573] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  873.664859] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  873.672149] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  873.679441] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  873.686760]  ? dump_stack+0x34f/0x39d
[  873.690600]  ? dump_stack_print_info.cold.1+0x20/0x20
[  873.695838]  ? mark_held_locks+0x130/0x130
[  873.700099]  ? mark_held_locks+0x130/0x130
[  873.704368]  dump_header+0x27b/0xf72
[  873.708117]  ? pagefault_out_of_memory+0x197/0x197
[  873.713074]  ? mark_held_locks+0x130/0x130
[  873.717322]  ? __lock_acquire+0x62f/0x4c20
[  873.721569]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  873.726341]  ? print_usage_bug+0xc0/0xc0
[  873.730431]  ? graph_lock+0x270/0x270
[  873.734244]  ? graph_lock+0x270/0x270
[  873.738088]  ? print_usage_bug+0xc0/0xc0
[  873.742152]  ? print_usage_bug+0xc0/0xc0
[  873.746229]  ? graph_lock+0x270/0x270
[  873.750067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.755617]  ? find_held_lock+0x36/0x1c0
[  873.759700]  ? mark_held_locks+0xc7/0x130
[  873.763885]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  873.769000]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  873.774122]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  873.778737]  ? trace_hardirqs_on+0xbd/0x310
[  873.783072]  ? kasan_check_read+0x11/0x20
[  873.787238]  ? ___ratelimit+0x3b4/0x672
[  873.791238]  ? trace_hardirqs_off_caller+0x300/0x300
[  873.796366]  ? trace_hardirqs_on+0x310/0x310
[  873.800804]  ? lock_downgrade+0x900/0x900
[  873.804970]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  873.810084]  ? ___ratelimit+0x3b9/0x672
[  873.814084]  ? idr_get_free+0xf70/0xf70
[  873.818115]  ? kasan_check_read+0x11/0x20
[  873.822272]  ? do_raw_spin_unlock+0xa7/0x330
[  873.826738]  oom_kill_process.cold.27+0x10/0x903
[  873.831504]  ? graph_lock+0x270/0x270
[  873.835317]  ? _raw_spin_unlock+0x2c/0x50
[  873.839486]  ? oom_badness+0xe6/0xaa0
[  873.843308]  ? oom_evaluate_task+0x540/0x540
[  873.847740]  ? find_held_lock+0x36/0x1c0
[  873.851825]  ? out_of_memory+0x96f/0x1430
[  873.855990]  ? lock_downgrade+0x900/0x900
[  873.860153]  ? check_preemption_disabled+0x48/0x280
[  873.865187]  ? kasan_check_read+0x11/0x20
[  873.869357]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  873.874648]  ? rcu_read_unlock_special+0x370/0x370
[  873.879590]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  873.884620]  ? oom_evaluate_task+0x302/0x540
[  873.889051]  out_of_memory+0xa7f/0x1430
[  873.893042]  ? oom_killer_disable+0x3a0/0x3a0
[  873.897547]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  873.902506]  ? __ww_mutex_check_waiters+0x160/0x160
[  873.907548]  __alloc_pages_slowpath+0x236a/0x2e30
[  873.912433]  ? warn_alloc+0x120/0x120
[  873.916249]  ? mark_held_locks+0x130/0x130
[  873.920503]  ? find_get_entry+0xaae/0x1120
[  873.924760]  ? filemap_map_pages+0x1a20/0x1a20
[  873.929368]  ? graph_lock+0x270/0x270
[  873.933180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  873.938731]  ? check_preemption_disabled+0x48/0x280
[  873.943752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  873.949286]  ? should_fail+0x22d/0xd01
[  873.953177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  873.958285]  ? graph_lock+0x270/0x270
[  873.962108]  ? __lock_is_held+0xb5/0x140
[  873.966176]  ? mark_held_locks+0x130/0x130
[  873.970426]  ? lock_release+0xa10/0xa10
[  873.974404]  ? perf_trace_sched_process_exec+0x860/0x860
[  873.979875]  ? xa_load+0x2ba/0x460
[  873.983432]  ? lock_downgrade+0x900/0x900
[  873.987597]  ? __might_sleep+0x95/0x190
[  873.991584]  __alloc_pages_nodemask+0xa7b/0xdd0
[  873.996274]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  874.001307]  ? __page_cache_alloc+0x177/0x570
[  874.005814]  ? xa_load+0x2e1/0x460
[  874.009364]  ? xa_clear_mark+0x40/0x40
[  874.013267]  ? graph_lock+0x270/0x270
[  874.017088]  ? graph_lock+0x270/0x270
[  874.020895]  ? graph_lock+0x270/0x270
[  874.024702]  ? __do_page_cache_readahead+0x663/0x810
[  874.030169]  ? find_held_lock+0x36/0x1c0
[  874.034255]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  874.039830]  alloc_pages_current+0x173/0x350
[  874.044285]  __page_cache_alloc+0x3ce/0x570
[  874.048632]  ? kasan_check_read+0x11/0x20
[  874.052799]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.058088]  ? generic_perform_write+0x6a0/0x6a0
[  874.062853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.068397]  ? check_preemption_disabled+0x48/0x280
[  874.073422]  filemap_fault+0x1595/0x25f0
[  874.077497]  ? __lock_page_or_retry+0xa00/0xa00
[  874.082172]  ? mark_held_locks+0x130/0x130
[  874.086420]  ? filemap_map_pages+0xd6b/0x1a20
[  874.090918]  ? lock_downgrade+0x900/0x900
[  874.095063]  ? check_preemption_disabled+0x48/0x280
[  874.100089]  ? kasan_check_read+0x11/0x20
[  874.104246]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.109522]  ? rcu_read_unlock_special+0x370/0x370
[  874.114472]  ? filemap_map_pages+0xd92/0x1a20
[  874.118986]  ? find_get_entries_tag+0x1400/0x1400
[  874.123849]  ? debug_object_destroy+0x2b0/0x2b0
[  874.128527]  ? lock_pi_update_atomic+0x150/0x150
[  874.133281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.138829]  ? lock_acquire+0x1ed/0x520
[  874.142802]  ? ext4_filemap_fault+0x7a/0xad
[  874.147133]  ? lock_release+0xa10/0xa10
[  874.151105]  ? perf_trace_sched_process_exec+0x860/0x860
[  874.156572]  ? print_usage_bug+0xc0/0xc0
[  874.160695]  ? print_usage_bug+0xc0/0xc0
[  874.164768]  ? down_read+0x8d/0x120
[  874.168394]  ? ext4_filemap_fault+0x7a/0xad
[  874.172721]  ? __down_interruptible+0x700/0x700
[  874.177401]  ext4_filemap_fault+0x82/0xad
[  874.181556]  __do_fault+0x100/0x6b0
[  874.185180]  ? do_futex+0x1df/0x26d0
[  874.188903]  ? pmd_devmap_trans_unstable+0x220/0x220
[  874.194008]  ? mark_held_locks+0x130/0x130
[  874.198243]  ? mark_held_locks+0x130/0x130
[  874.202492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.208036]  __handle_mm_fault+0x3ea0/0x5be0
[  874.212442]  ? perf_trace_lock+0x7a0/0x7a0
[  874.216729]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  874.221592]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  874.226190]  ? graph_lock+0x270/0x270
[  874.229996]  ? graph_lock+0x270/0x270
[  874.233799]  ? __x64_sys_futex+0x53e/0x6a0
[  874.238037]  ? find_held_lock+0x36/0x1c0
[  874.242110]  ? handle_mm_fault+0x42a/0xc70
[  874.246346]  ? lock_downgrade+0x900/0x900
[  874.250491]  ? check_preemption_disabled+0x48/0x280
[  874.255513]  ? kasan_check_read+0x11/0x20
[  874.259663]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  874.264948]  ? rcu_read_unlock_special+0x370/0x370
[  874.269881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  874.275435]  ? check_preemption_disabled+0x48/0x280
[  874.280462]  handle_mm_fault+0x54f/0xc70
[  874.284525]  ? __handle_mm_fault+0x5be0/0x5be0
[  874.289114]  ? find_vma+0x34/0x190
[  874.292692]  __do_page_fault+0x5d6/0xe40
[  874.296755]  ? trace_hardirqs_off+0xb8/0x310
[  874.301171]  do_page_fault+0xed/0x7d1
[  874.304982]  ? vmalloc_sync_all+0x30/0x30
[  874.309127]  ? error_entry+0x70/0xd0
[  874.312869]  ? trace_hardirqs_off_caller+0xbb/0x300
[  874.317883]  ? trace_hardirqs_on_caller+0xc0/0x310
[  874.322811]  ? syscall_return_slowpath+0x5e0/0x5e0
[  874.327743]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  874.332584]  ? trace_hardirqs_on_caller+0x310/0x310
[  874.337611]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  874.343067]  ? prepare_exit_to_usermode+0x291/0x3b0
[  874.348100]  ? page_fault+0x8/0x30
[  874.351650]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  874.356493]  ? page_fault+0x8/0x30
[  874.360030]  page_fault+0x1e/0x30
[  874.363478] RIP: 0033:0x45ddf3
[  874.366684] Code: Bad RIP value.
[  874.370045] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  874.375407] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  874.382686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  874.389968] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  874.397237] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  874.404504] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  874.411788] warn_alloc_show_mem: 1 callbacks suppressed
[  874.411799] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  874.411801] Mem-Info:
[  874.411833] active_anon:129018 inactive_anon:195 isolated_anon:0
[  874.411833]  active_file:12 inactive_file:15 isolated_file:0
[  874.411833]  unevictable:1 dirty:0 writeback:0 unstable:0
[  874.411833]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  874.411833]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  874.411833]  free:13741 free_pcp:161 free_cma:0
[  874.417170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  874.425231] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  874.427632] Call Trace:
[  874.460665] 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
[  874.470006]  <IRQ>
[  874.497569] lowmem_reserve[]: 0 2818 6321 6321
[  874.500147]  dump_stack+0x244/0x39d
[  874.526236] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  874.528382]  ? dump_stack_print_info.cold.1+0x20/0x20
[  874.532952] lowmem_reserve[]: 0 0 3503 3503
[  874.536576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.563956] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  874.569138]  ? do_raw_spin_lock+0x14f/0x350
[  874.573432] lowmem_reserve[]: 0 0 0 0
[  874.578980]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  874.607838] 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
[  874.612159]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  874.615930] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  874.620596]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  874.634090] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  874.639286]  arch_trigger_cpumask_backtrace+0x14/0x20
[  874.653660] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  874.659008]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  874.674250] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  874.674259] 296 total pagecache pages
[  874.679448]  print_cpu_stall.cold.70+0x218/0x40a
[  874.688275] 0 pages in swap cache
[  874.692672]  ? print_other_cpu_stall+0x160/0x160
[  874.701229] Swap cache stats: add 0, delete 0, find 0/0
[  874.705065]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.709796] Free swap  = 0kB
[  874.713265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.717992] Total swap = 0kB
[  874.723361]  ? do_trace_rcu_torture_read+0x10/0x10
[  874.728887] 1965979 pages RAM
[  874.731903]  ? __this_cpu_preempt_check+0x1c/0x20
[  874.737415] 0 pages HighMem/MovableOnly
[  874.740426]  ? rcu_preempt_need_deferred_qs+0x71/0x190
[  874.745329] 342854 pages reserved
[  874.748431]  ? __lock_is_held+0xb5/0x140
[  874.753250] 0 pages cma reserved
[  874.757228]  ? __rcu_read_lock+0x90/0x90
[  874.762545] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  874.765913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.765930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.770135] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  874.773341]  ? check_preemption_disabled+0x48/0x280
[  874.777379] syz-fuzzer cpuset=/ mems_allowed=0
[  874.783861]  rcu_check_callbacks+0xf3b/0x13f0
[  874.819240]  ? rcutree_dead_cpu+0x10/0x10
[  874.823395]  ? lock_downgrade+0x900/0x900
[  874.827552]  ? lock_release+0x920/0xa10
[  874.831528]  ? graph_lock+0x270/0x270
[  874.835335]  ? graph_lock+0x270/0x270
[  874.839137]  ? graph_lock+0x270/0x270
[  874.842947]  ? graph_lock+0x270/0x270
[  874.846782]  ? find_held_lock+0x36/0x1c0
[  874.850851]  ? cpuacct_account_field+0x219/0x3d0
[  874.855610]  ? graph_lock+0x270/0x270
[  874.859415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.864953]  ? check_preemption_disabled+0x48/0x280
[  874.869983]  ? trace_hardirqs_off+0xb8/0x310
[  874.874397]  ? __lock_is_held+0xb5/0x140
[  874.878458]  ? trace_hardirqs_on+0x310/0x310
[  874.882873]  ? check_preemption_disabled+0x48/0x280
[  874.887898]  ? raise_softirq+0x199/0x430
[  874.891959]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  874.896626]  ? account_system_index_time+0x333/0x5d0
[  874.901748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  874.907303]  ? check_preemption_disabled+0x48/0x280
[  874.912330]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  874.917881]  ? hrtimer_run_queues+0x9a/0x400
[  874.922295]  ? run_local_timers+0x19b/0x230
[  874.926619]  ? timer_clear_idle+0x90/0x90
[  874.930817]  ? irqtime_account_process_tick.isra.6+0x38e/0x490
[  874.936806]  ? account_process_tick+0x282/0x350
[  874.941478]  update_process_times+0x2d/0x70
[  874.946285]  tick_sched_handle+0x9f/0x180
[  874.950437]  tick_sched_timer+0x45/0x130
[  874.954504]  __hrtimer_run_queues+0x412/0x10c0
[  874.959097]  ? tick_sched_do_timer+0x1a0/0x1a0
[  874.963695]  ? hrtimer_start_range_ns+0xde0/0xde0
[  874.968575]  ? pvclock_read_flags+0x160/0x160
[  874.973072]  ? trace_hardirqs_on+0x310/0x310
[  874.977488]  ? kvm_clock_read+0x18/0x30
[  874.981467]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  874.986486]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  874.991871]  ? do_timer+0x50/0x50
[  874.995328]  ? rwlock_bug.part.2+0x90/0x90
[  874.999565]  ? trace_hardirqs_on+0x310/0x310
[  875.003984]  ? rcu_softirq_qs+0x20/0x20
[  875.007977]  hrtimer_interrupt+0x313/0x780
[  875.012251]  smp_apic_timer_interrupt+0x1a1/0x760
[  875.017118]  ? smp_call_function_single_interrupt+0x640/0x640
[  875.023059]  ? interrupt_entry+0xb5/0xc0
[  875.027136]  ? trace_hardirqs_off_caller+0xbb/0x300
[  875.032157]  ? trace_hardirqs_off_caller+0xbb/0x300
[  875.037185]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.042053]  ? trace_hardirqs_on_caller+0x310/0x310
[  875.047075]  ? trace_hardirqs_on_caller+0x310/0x310
[  875.052098]  ? task_prio+0x50/0x50
[  875.055650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.061198]  ? check_preemption_disabled+0x48/0x280
[  875.066273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.071133]  apic_timer_interrupt+0xf/0x20
[  875.075668]  </IRQ>
[  875.077915] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  875.083329] Code: 3f 7e 0f 85 32 ff ff ff e8 d5 f4 3d ff e9 28 ff ff ff e8 4c 48 c3 ff 48 83 3d 44 73 8f 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 b9
[  875.102257] RSP: 0000:ffff8801d9aff410 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
[  875.109979] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003b35e15c
[  875.117262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000282
[  875.124539] RBP: ffff8801d9aff480 R08: ffff8801d9af0ae0 R09: 0000000000000002
[  875.131814] R10: 0000000000000000 R11: ffff8801d9af0240 R12: ffff8801d9bf1c00
[  875.139087] R13: ffff8801d9bf1c00 R14: 0000000000000000 R15: 0000000000000282
[  875.146406]  ? ipv6_get_ifaddr+0x42e/0x620
[  875.150658]  __alloc_skb+0x114/0x770
[  875.154389]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.159678]  ? netdev_alloc_frag+0x1f0/0x1f0
[  875.164109]  ? lock_downgrade+0x900/0x900
[  875.168275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.173820]  ? refcount_sub_and_test_checked+0x203/0x310
[  875.179282]  ? refcount_dec_if_one+0x180/0x180
[  875.183883]  ? addrconf_rs_timer+0x690/0x690
[  875.188316]  ndisc_alloc_skb+0x144/0x340
[  875.192393]  ndisc_send_rs+0x331/0x6e0
[  875.196310]  addrconf_rs_timer+0x314/0x690
[  875.200553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.204818]  call_timer_fn+0x26d/0x920
[  875.208712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.212957]  ? process_timeout+0x40/0x40
[  875.217028]  ? __run_timers+0x7d5/0xc60
[  875.221014]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.225513]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.230012]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.234264]  ? lockdep_hardirqs_on+0x296/0x5b0
[  875.238913]  ? trace_hardirqs_on+0xbd/0x310
[  875.243246]  ? kasan_check_read+0x11/0x20
[  875.247407]  ? __run_timers+0x7d5/0xc60
[  875.251390]  ? trace_hardirqs_off_caller+0x300/0x300
[  875.256506]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  875.261363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.265601]  __run_timers+0x7e0/0xc60
[  875.269431]  ? timer_fixup_init+0x70/0x70
[  875.273590]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.278084]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.282591]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  875.287183]  ? trace_hardirqs_on+0xbd/0x310
[  875.291520]  ? kasan_check_read+0x11/0x20
[  875.295672]  ? finish_task_switch+0x1f4/0x920
[  875.300175]  ? trace_hardirqs_off_caller+0x300/0x300
[  875.305298]  ? compat_start_thread+0x80/0x80
[  875.309737]  ? pvclock_read_flags+0x160/0x160
[  875.314250]  ? __switch_to_asm+0x34/0x70
[  875.318326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.323876]  ? check_preemption_disabled+0x48/0x280
[  875.328909]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  875.334462]  ? rcu_pm_notify+0xc0/0xc0
[  875.338354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.343895]  ? check_preemption_disabled+0x48/0x280
[  875.348937]  run_timer_softirq+0x52/0xb0
[  875.353004]  ? rcu_read_lock_sched_held+0x14f/0x180
[  875.358031]  __do_softirq+0x308/0xb7e
[  875.361839]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  875.366605]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  875.371722]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  875.376498]  ? trace_hardirqs_off+0xb8/0x310
[  875.380923]  ? smpboot_thread_fn+0x68b/0xa00
[  875.385361]  ? trace_hardirqs_on+0x310/0x310
[  875.389781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.395368]  ? check_preemption_disabled+0x48/0x280
[  875.400395]  ? takeover_tasklets+0xa90/0xa90
[  875.404813]  run_ksoftirqd+0x5e/0x100
[  875.408637]  smpboot_thread_fn+0x68b/0xa00
[  875.412891]  ? sort_range+0x30/0x30
[  875.416524]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  875.421637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.427187]  ? __kthread_parkme+0xfb/0x1a0
[  875.431462]  ? sort_range+0x30/0x30
[  875.435098]  kthread+0x35a/0x440
[  875.438472]  ? kthread_stop+0x8f0/0x8f0
[  875.442459]  ret_from_fork+0x3a/0x50
[  875.446200] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  875.446769] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  875.454452] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  875.454474] Call Trace:
[  875.454480]  <IRQ>
[  875.454504]  dump_stack+0x244/0x39d
[  875.454523]  ? dump_stack_print_info.cold.1+0x20/0x20
[  875.461175] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  875.470416]  warn_alloc.cold.116+0xb7/0x1bd
[  875.472973] ksoftirqd/0 cpuset=/ mems_allowed=0
[  875.475129]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  875.508113]  ? lock_downgrade+0x900/0x900
[  875.512292]  ? trace_hardirqs_off+0xb8/0x310
[  875.516732]  ? trace_hardirqs_off+0xb8/0x310
[  875.521167]  __alloc_pages_slowpath+0x26fe/0x2e30
[  875.526076]  ? warn_alloc+0x120/0x120
[  875.529905]  ? print_usage_bug+0xc0/0xc0
[  875.533981]  ? warn_alloc+0x120/0x120
[  875.537800]  ? warn_alloc+0x120/0x120
[  875.541609]  ? print_usage_bug+0xc0/0xc0
[  875.545680]  ? kvm_clock_read+0x18/0x30
[  875.549678]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  875.554754]  ? print_usage_bug+0xc0/0xc0
[  875.558859]  ? __lock_acquire+0x62f/0x4c20
[  875.563126]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.568671]  ? should_fail+0x22d/0xd01
[  875.572583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.577873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  875.583001]  ? __lock_acquire+0x62f/0x4c20
[  875.587251]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  875.592383]  ? __lock_acquire+0x62f/0x4c20
[  875.596624]  ? should_fail+0x22d/0xd01
[  875.600533]  ? rcu_irq_exit+0x1a2/0x390
[  875.604532]  ? mark_held_locks+0x130/0x130
[  875.608800]  ? mark_held_locks+0x130/0x130
[  875.613066]  ? mark_held_locks+0xc7/0x130
[  875.617229]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  875.622266]  ? graph_lock+0x270/0x270
[  875.626093]  ? print_usage_bug+0xc0/0xc0
[  875.630168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.635715]  ? check_preemption_disabled+0x48/0x280
[  875.640785]  ? __lock_is_held+0xb5/0x140
[  875.644870]  __alloc_pages_nodemask+0xa7b/0xdd0
[  875.649556]  ? graph_lock+0x270/0x270
[  875.653387]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  875.658435]  ? find_held_lock+0x36/0x1c0
[  875.662557]  ? ____cache_alloc_node+0x1c7/0x1e0
[  875.667245]  ? lock_downgrade+0x900/0x900
[  875.671414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.676968]  cache_grow_begin+0xa5/0x8c0
[  875.681040]  ? do_raw_spin_unlock+0xa7/0x330
[  875.685467]  fallback_alloc+0x204/0x2e0
[  875.689455]  ____cache_alloc_node+0x1c7/0x1e0
[  875.693978]  kmem_cache_alloc_node+0xe3/0x730
[  875.698508]  ? ipv6_get_ifaddr+0x42e/0x620
[  875.702765]  __alloc_skb+0x114/0x770
[  875.706500]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  875.711807]  ? netdev_alloc_frag+0x1f0/0x1f0
[  875.716232]  ? lock_downgrade+0x900/0x900
[  875.720402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.725953]  ? refcount_sub_and_test_checked+0x203/0x310
[  875.731422]  ? refcount_dec_if_one+0x180/0x180
[  875.736016]  ? addrconf_rs_timer+0x690/0x690
[  875.740444]  ndisc_alloc_skb+0x144/0x340
[  875.744532]  ndisc_send_rs+0x331/0x6e0
[  875.748435]  addrconf_rs_timer+0x314/0x690
[  875.752712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.756970]  call_timer_fn+0x26d/0x920
[  875.760880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.765125]  ? process_timeout+0x40/0x40
[  875.769202]  ? mark_held_locks+0xc7/0x130
[  875.773662]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.778164]  ? _raw_spin_unlock_irq+0x27/0x80
[  875.782685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.786937]  ? lockdep_hardirqs_on+0x296/0x5b0
[  875.791530]  ? trace_hardirqs_on+0xbd/0x310
[  875.795857]  ? kasan_check_read+0x11/0x20
[  875.800017]  ? __run_timers+0x7d5/0xc60
[  875.804016]  ? trace_hardirqs_off_caller+0x300/0x300
[  875.809154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  875.813412]  __run_timers+0x7e0/0xc60
[  875.817241]  ? timer_fixup_init+0x70/0x70
[  875.821402]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  875.826440]  ? graph_lock+0x270/0x270
[  875.830257]  ? print_usage_bug+0xc0/0xc0
[  875.834329]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  875.839552]  ? find_held_lock+0x36/0x1c0
[  875.843623]  ? graph_lock+0x270/0x270
[  875.847434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.852977]  ? check_preemption_disabled+0x48/0x280
[  875.858012]  ? __lock_is_held+0xb5/0x140
[  875.862083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.867645]  ? check_preemption_disabled+0x48/0x280
[  875.872673]  run_timer_softirq+0x52/0xb0
[  875.876752]  ? rcu_read_lock_sched_held+0x14f/0x180
[  875.881776]  __do_softirq+0x308/0xb7e
[  875.885607]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  875.890111]  ? lock_downgrade+0x900/0x900
[  875.894277]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  875.899404]  ? pvclock_read_flags+0x160/0x160
[  875.903915]  ? lapic_next_event+0x5a/0x90
[  875.908110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  875.913666]  ? kvm_clock_read+0x18/0x30
[  875.917653]  ? kvm_sched_clock_read+0x9/0x20
[  875.922089]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  875.927639]  ? check_preemption_disabled+0x48/0x280
[  875.932697]  irq_exit+0x17f/0x1c0
[  875.936167]  smp_apic_timer_interrupt+0x1cb/0x760
[  875.941020]  ? smp_reschedule_interrupt+0x109/0x650
[  875.946051]  ? smp_call_function_single_interrupt+0x640/0x640
[  875.951969]  ? interrupt_entry+0xb5/0xc0
[  875.956050]  ? trace_hardirqs_off_caller+0xbb/0x300
[  875.961077]  ? trace_hardirqs_off_caller+0xbb/0x300
[  875.966121]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.970979]  ? trace_hardirqs_on_caller+0x310/0x310
[  875.976022]  ? trace_hardirqs_on_caller+0x310/0x310
[  875.981062]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  875.985926]  apic_timer_interrupt+0xf/0x20
[  875.990163]  </IRQ>
[  875.992412] RIP: 0010:dump_stack+0x358/0x39d
[  875.996848] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  876.015770] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  876.023501] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  876.030993] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  876.038282] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  876.045584] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  876.052871] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  876.060185]  ? dump_stack+0x34f/0x39d
[  876.064031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  876.069252]  ? mark_held_locks+0x130/0x130
[  876.073508]  ? mark_held_locks+0x130/0x130
[  876.077767]  dump_header+0x27b/0xf72
[  876.081504]  ? pagefault_out_of_memory+0x197/0x197
[  876.086458]  ? mark_held_locks+0x130/0x130
[  876.090707]  ? __lock_acquire+0x62f/0x4c20
[  876.094958]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  876.099734]  ? print_usage_bug+0xc0/0xc0
[  876.103810]  ? graph_lock+0x270/0x270
[  876.107614]  ? graph_lock+0x270/0x270
[  876.111454]  ? print_usage_bug+0xc0/0xc0
[  876.115518]  ? print_usage_bug+0xc0/0xc0
[  876.119592]  ? graph_lock+0x270/0x270
[  876.123410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.128964]  ? find_held_lock+0x36/0x1c0
[  876.133064]  ? mark_held_locks+0xc7/0x130
[  876.137235]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  876.142353]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  876.147472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  876.152071]  ? trace_hardirqs_on+0xbd/0x310
[  876.156408]  ? kasan_check_read+0x11/0x20
[  876.160569]  ? ___ratelimit+0x3b4/0x672
[  876.164573]  ? trace_hardirqs_off_caller+0x300/0x300
[  876.169703]  ? trace_hardirqs_on+0x310/0x310
[  876.174141]  ? lock_downgrade+0x900/0x900
[  876.178317]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  876.183428]  ? ___ratelimit+0x3b9/0x672
[  876.187413]  ? idr_get_free+0xf70/0xf70
[  876.191431]  ? kasan_check_read+0x11/0x20
[  876.195605]  ? do_raw_spin_unlock+0xa7/0x330
[  876.200072]  oom_kill_process.cold.27+0x10/0x903
[  876.204870]  ? graph_lock+0x270/0x270
[  876.208676]  ? _raw_spin_unlock+0x2c/0x50
[  876.212850]  ? oom_badness+0xe6/0xaa0
[  876.216664]  ? oom_evaluate_task+0x540/0x540
[  876.221083]  ? find_held_lock+0x36/0x1c0
[  876.225162]  ? out_of_memory+0x96f/0x1430
[  876.229323]  ? lock_downgrade+0x900/0x900
[  876.233492]  ? check_preemption_disabled+0x48/0x280
[  876.238527]  ? kasan_check_read+0x11/0x20
[  876.242715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  876.248025]  ? rcu_read_unlock_special+0x370/0x370
[  876.253000]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  876.258025]  ? oom_evaluate_task+0x302/0x540
[  876.262453]  out_of_memory+0xa7f/0x1430
[  876.266455]  ? oom_killer_disable+0x3a0/0x3a0
[  876.270960]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  876.275904]  ? __ww_mutex_check_waiters+0x160/0x160
[  876.280959]  __alloc_pages_slowpath+0x236a/0x2e30
[  876.285885]  ? warn_alloc+0x120/0x120
[  876.289708]  ? mark_held_locks+0x130/0x130
[  876.293978]  ? find_get_entry+0xaae/0x1120
[  876.298276]  ? filemap_map_pages+0x1a20/0x1a20
[  876.302880]  ? graph_lock+0x270/0x270
[  876.306697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.312257]  ? check_preemption_disabled+0x48/0x280
[  876.317303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.322860]  ? should_fail+0x22d/0xd01
[  876.326801]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  876.331924]  ? graph_lock+0x270/0x270
[  876.335770]  ? __lock_is_held+0xb5/0x140
[  876.339879]  ? mark_held_locks+0x130/0x130
[  876.344126]  ? lock_release+0xa10/0xa10
[  876.348109]  ? perf_trace_sched_process_exec+0x860/0x860
[  876.353572]  ? xa_load+0x2ba/0x460
[  876.357128]  ? lock_downgrade+0x900/0x900
[  876.361297]  ? __might_sleep+0x95/0x190
[  876.365293]  __alloc_pages_nodemask+0xa7b/0xdd0
[  876.369984]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  876.375015]  ? __page_cache_alloc+0x177/0x570
[  876.379523]  ? xa_load+0x2e1/0x460
[  876.383075]  ? xa_clear_mark+0x40/0x40
[  876.386978]  ? graph_lock+0x270/0x270
[  876.390813]  ? graph_lock+0x270/0x270
[  876.394633]  ? graph_lock+0x270/0x270
[  876.398440]  ? __do_page_cache_readahead+0x663/0x810
[  876.403558]  ? find_held_lock+0x36/0x1c0
[  876.407641]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  876.413198]  alloc_pages_current+0x173/0x350
[  876.417640]  __page_cache_alloc+0x3ce/0x570
[  876.421979]  ? kasan_check_read+0x11/0x20
[  876.426167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  876.431457]  ? generic_perform_write+0x6a0/0x6a0
[  876.436236]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.441790]  ? check_preemption_disabled+0x48/0x280
[  876.446831]  filemap_fault+0x1595/0x25f0
[  876.450920]  ? __lock_page_or_retry+0xa00/0xa00
[  876.455607]  ? mark_held_locks+0x130/0x130
[  876.459866]  ? filemap_map_pages+0xd6b/0x1a20
[  876.464377]  ? lock_downgrade+0x900/0x900
[  876.468539]  ? check_preemption_disabled+0x48/0x280
[  876.473577]  ? kasan_check_read+0x11/0x20
[  876.477771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  876.483062]  ? rcu_read_unlock_special+0x370/0x370
[  876.488045]  ? filemap_map_pages+0xd92/0x1a20
[  876.492579]  ? find_get_entries_tag+0x1400/0x1400
[  876.497440]  ? debug_object_destroy+0x2b0/0x2b0
[  876.502122]  ? lock_pi_update_atomic+0x150/0x150
[  876.506890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  876.512457]  ? lock_acquire+0x1ed/0x520
[  876.516438]  ? ext4_filemap_fault+0x7a/0xad
[  876.520775]  ? lock_release+0xa10/0xa10
[  876.524768]  ? perf_trace_sched_process_exec+0x860/0x860
[  876.530283]  ? print_usage_bug+0xc0/0xc0
[  876.534386]  ? print_usage_bug+0xc0/0xc0
[  876.538470]  ? down_read+0x8d/0x120
[  876.542104]  ? ext4_filemap_fault+0x7a/0xad
[  876.546438]  ? __down_interruptible+0x700/0x700
[  876.551133]  ext4_filemap_fault+0x82/0xad
[  876.555311]  __do_fault+0x100/0x6b0
[  876.558940]  ? do_futex+0x1df/0x26d0
[  876.562686]  ? pmd_devmap_trans_unstable+0x220/0x220
[  876.567818]  ? mark_held_locks+0x130/0x130
[  876.572078]  ? mark_held_locks+0x130/0x130
[  876.576347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.581914]  __handle_mm_fault+0x3ea0/0x5be0
[  876.586349]  ? perf_trace_lock+0x7a0/0x7a0
[  876.590618]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  876.595499]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  876.600104]  ? graph_lock+0x270/0x270
[  876.603913]  ? graph_lock+0x270/0x270
[  876.607767]  ? __x64_sys_futex+0x53e/0x6a0
[  876.612017]  ? find_held_lock+0x36/0x1c0
[  876.616096]  ? handle_mm_fault+0x42a/0xc70
[  876.620344]  ? lock_downgrade+0x900/0x900
[  876.624500]  ? check_preemption_disabled+0x48/0x280
[  876.629534]  ? kasan_check_read+0x11/0x20
[  876.633700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  876.639005]  ? rcu_read_unlock_special+0x370/0x370
[  876.643948]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  876.649498]  ? check_preemption_disabled+0x48/0x280
[  876.654531]  handle_mm_fault+0x54f/0xc70
[  876.658611]  ? __handle_mm_fault+0x5be0/0x5be0
[  876.663215]  ? find_vma+0x34/0x190
[  876.666768]  __do_page_fault+0x5d6/0xe40
[  876.670838]  ? trace_hardirqs_off+0xb8/0x310
[  876.675270]  do_page_fault+0xed/0x7d1
[  876.679093]  ? vmalloc_sync_all+0x30/0x30
[  876.683247]  ? error_entry+0x70/0xd0
[  876.686967]  ? trace_hardirqs_off_caller+0xbb/0x300
[  876.691988]  ? trace_hardirqs_on_caller+0xc0/0x310
[  876.696923]  ? syscall_return_slowpath+0x5e0/0x5e0
[  876.701864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  876.706731]  ? trace_hardirqs_on_caller+0x310/0x310
[  876.711755]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  876.717231]  ? prepare_exit_to_usermode+0x291/0x3b0
[  876.722261]  ? page_fault+0x8/0x30
[  876.725823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  876.730677]  ? page_fault+0x8/0x30
[  876.734236]  page_fault+0x1e/0x30
[  876.737693] RIP: 0033:0x45ddf3
[  876.740914] Code: Bad RIP value.
[  876.744280] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  876.749644] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  876.756918] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  876.764196] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  876.771483] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  876.778781] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  876.786084] Mem-Info:
[  876.786100] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  876.786113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  876.788586] active_anon:129018 inactive_anon:195 isolated_anon:0
[  876.788586]  active_file:12 inactive_file:15 isolated_file:0
[  876.788586]  unevictable:1 dirty:0 writeback:0 unstable:0
[  876.788586]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  876.788586]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  876.788586]  free:13741 free_pcp:161 free_cma:0
[  876.796627] Call Trace:
[  876.806052] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  876.839111]  dump_stack+0x244/0x39d
[  876.841701] 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
[  876.869328]  ? dump_stack_print_info.cold.1+0x20/0x20
[  876.872936] lowmem_reserve[]: 0 2818 6321 6321
[  876.899070]  warn_alloc.cold.116+0xb7/0x1bd
[  876.904246] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  876.908834]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  876.913132] lowmem_reserve[]: 0 0 3503 3503
[  876.940566]  ? lock_downgrade+0x900/0x900
[  876.945727] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  876.950066]  ? trace_hardirqs_off+0xb8/0x310
[  876.954182] lowmem_reserve[]: 0 0 0 0
[  876.983102]  ? trace_hardirqs_off+0xb8/0x310
[  876.987493] 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
[  876.991303]  __alloc_pages_slowpath+0x26fe/0x2e30
[  876.995685] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  877.009276]  ? warn_alloc+0x120/0x120
[  877.014081] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  877.028489]  ? warn_alloc+0x120/0x120
[  877.032321] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  877.047595]  ? warn_alloc+0x120/0x120
[  877.051378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  877.060198]  ? trace_hardirqs_off+0xb8/0x310
[  877.063972] 296 total pagecache pages
[  877.072546]  ? print_usage_bug+0xc0/0xc0
[  877.077437] 0 pages in swap cache
[  877.081317]  ? print_usage_bug+0xc0/0xc0
[  877.085354] Swap cache stats: add 0, delete 0, find 0/0
[  877.088808]  ? __lock_acquire+0x62f/0x4c20
[  877.092845] Free swap  = 0kB
[  877.098213]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.102424] Total swap = 0kB
[  877.105436]  ? should_fail+0x22d/0xd01
[  877.110944] 1965979 pages RAM
[  877.113953]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.117808] 0 pages HighMem/MovableOnly
[  877.117817] 342854 pages reserved
[  877.120914]  ? __lock_acquire+0x62f/0x4c20
[  877.125990] 0 pages cma reserved
[  877.129957]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.133477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  877.137621]  ? __lock_acquire+0x62f/0x4c20
[  877.137637]  ? should_fail+0x22d/0xd01
[  877.141188] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  877.146115]  ? mark_held_locks+0x130/0x130
[  877.152579] syz-fuzzer cpuset=/ mems_allowed=0
[  877.156823]  ? mark_held_locks+0x130/0x130
[  877.184270]  ? graph_lock+0x270/0x270
[  877.188076]  ? ret_from_fork+0x3a/0x50
[  877.191974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.197551]  ? check_preemption_disabled+0x48/0x280
[  877.202576]  ? __lock_is_held+0xb5/0x140
[  877.206659]  __alloc_pages_nodemask+0xa7b/0xdd0
[  877.211343]  ? graph_lock+0x270/0x270
[  877.215154]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  877.220175]  ? find_held_lock+0x36/0x1c0
[  877.224253]  ? ____cache_alloc_node+0x1c7/0x1e0
[  877.228927]  ? lock_downgrade+0x900/0x900
[  877.233085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.238629]  cache_grow_begin+0xa5/0x8c0
[  877.242714]  ? do_raw_spin_unlock+0xa7/0x330
[  877.247176]  fallback_alloc+0x204/0x2e0
[  877.251165]  ____cache_alloc_node+0x1c7/0x1e0
[  877.255665]  kmem_cache_alloc_node+0xe3/0x730
[  877.260162]  ? mark_held_locks+0xc7/0x130
[  877.264324]  __alloc_skb+0x114/0x770
[  877.268044]  ? netdev_alloc_frag+0x1f0/0x1f0
[  877.272450]  ? do_raw_spin_trylock+0x270/0x270
[  877.277033]  ? kmem_cache_alloc_trace+0x353/0x750
[  877.281881]  ? queue_work_on+0x12c/0x1e0
[  877.285955]  ? switchdev_port_obj_del+0xdc/0x440
[  877.290716]  ? switchdev_trans_item_enqueue+0x260/0x260
[  877.296099]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  877.301125]  __br_mdb_notify+0x4ff/0x15d0
[  877.305323]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  877.310449]  ? __br_mdb_add+0x7f0/0x7f0
[  877.314429]  ? mark_held_locks+0x130/0x130
[  877.318674]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  877.323781]  ? debug_object_assert_init+0x368/0x4b0
[  877.328802]  ? debug_object_init_on_stack+0x20/0x20
[  877.333824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.339374]  br_mdb_notify+0x310/0x410
[  877.343263]  ? br_mdb_dump+0x27b0/0x27b0
[  877.347343]  br_multicast_del_pg+0x3df/0x790
[  877.351758]  ? br_mdb_ip_get+0x940/0x940
[  877.355822]  ? rwlock_bug.part.2+0x90/0x90
[  877.360060]  ? __lock_is_held+0xb5/0x140
[  877.364142]  br_multicast_port_group_expired+0x189/0x1e0
[  877.369596]  call_timer_fn+0x26d/0x920
[  877.373487]  ? br_multicast_del_pg+0x790/0x790
[  877.378068]  ? process_timeout+0x40/0x40
[  877.382138]  ? __run_timers+0x7d5/0xc60
[  877.386116]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.390612]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.395108]  ? br_multicast_del_pg+0x790/0x790
[  877.399702]  ? lockdep_hardirqs_on+0x296/0x5b0
[  877.404289]  ? trace_hardirqs_on+0xbd/0x310
[  877.408608]  ? kasan_check_read+0x11/0x20
[  877.412754]  ? __run_timers+0x7d5/0xc60
[  877.416729]  ? trace_hardirqs_off_caller+0x300/0x300
[  877.421852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.426094]  ? br_multicast_del_pg+0x790/0x790
[  877.430672]  __run_timers+0x7e0/0xc60
[  877.434487]  ? timer_fixup_init+0x70/0x70
[  877.438638]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.443135]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.447628]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  877.452226]  ? trace_hardirqs_on+0xbd/0x310
[  877.456547]  ? kasan_check_read+0x11/0x20
[  877.460722]  ? finish_task_switch+0x1f4/0x920
[  877.465235]  ? trace_hardirqs_off_caller+0x300/0x300
[  877.470354]  ? compat_start_thread+0x80/0x80
[  877.474780]  ? pvclock_read_flags+0x160/0x160
[  877.479272]  ? __switch_to_asm+0x34/0x70
[  877.483334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.488879]  ? check_preemption_disabled+0x48/0x280
[  877.493911]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  877.499454]  ? rcu_pm_notify+0xc0/0xc0
[  877.503371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.508907]  ? check_preemption_disabled+0x48/0x280
[  877.513929]  run_timer_softirq+0x52/0xb0
[  877.517988]  ? rcu_read_lock_sched_held+0x14f/0x180
[  877.523004]  __do_softirq+0x308/0xb7e
[  877.526813]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  877.531572]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  877.536681]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  877.541453]  ? trace_hardirqs_off+0xb8/0x310
[  877.545867]  ? smpboot_thread_fn+0x68b/0xa00
[  877.550280]  ? trace_hardirqs_on+0x310/0x310
[  877.554695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.560243]  ? check_preemption_disabled+0x48/0x280
[  877.565266]  ? takeover_tasklets+0xa90/0xa90
[  877.569679]  run_ksoftirqd+0x5e/0x100
[  877.573493]  smpboot_thread_fn+0x68b/0xa00
[  877.577733]  ? sort_range+0x30/0x30
[  877.581365]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  877.586469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.592006]  ? __kthread_parkme+0xfb/0x1a0
[  877.596248]  ? sort_range+0x30/0x30
[  877.599903]  kthread+0x35a/0x440
[  877.603267]  ? kthread_stop+0x8f0/0x8f0
[  877.607249]  ret_from_fork+0x3a/0x50
[  877.610987] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  877.611153] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  877.619233] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  877.629533] ksoftirqd/0 cpuset=/ mems_allowed=0
[  877.638873] Call Trace:
[  877.646097]  <IRQ>
[  877.648266]  dump_stack+0x244/0x39d
[  877.651902]  ? dump_stack_print_info.cold.1+0x20/0x20
[  877.657107]  warn_alloc.cold.116+0xb7/0x1bd
[  877.661428]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  877.666277]  ? lock_downgrade+0x900/0x900
[  877.670437]  ? trace_hardirqs_off+0xb8/0x310
[  877.674858]  ? trace_hardirqs_off+0xb8/0x310
[  877.679274]  __alloc_pages_slowpath+0x26fe/0x2e30
[  877.684150]  ? warn_alloc+0x120/0x120
[  877.687955]  ? print_usage_bug+0xc0/0xc0
[  877.692015]  ? warn_alloc+0x120/0x120
[  877.695849]  ? warn_alloc+0x120/0x120
[  877.699654]  ? print_usage_bug+0xc0/0xc0
[  877.703741]  ? kvm_clock_read+0x18/0x30
[  877.707723]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  877.712747]  ? print_usage_bug+0xc0/0xc0
[  877.716811]  ? __lock_acquire+0x62f/0x4c20
[  877.721052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  877.726592]  ? should_fail+0x22d/0xd01
[  877.730479]  ? __lock_acquire+0x62f/0x4c20
[  877.734737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.739843]  ? __lock_acquire+0x62f/0x4c20
[  877.744084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  877.749182]  ? __lock_acquire+0x62f/0x4c20
[  877.753423]  ? should_fail+0x22d/0xd01
[  877.757334]  ? mark_held_locks+0x130/0x130
[  877.761572]  ? mark_held_locks+0x130/0x130
[  877.765831]  ? mark_held_locks+0xc7/0x130
[  877.769976]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  877.774992]  ? graph_lock+0x270/0x270
[  877.778787]  ? print_usage_bug+0xc0/0xc0
[  877.782848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.788385]  ? check_preemption_disabled+0x48/0x280
[  877.793424]  ? __lock_is_held+0xb5/0x140
[  877.797493]  __alloc_pages_nodemask+0xa7b/0xdd0
[  877.802160]  ? graph_lock+0x270/0x270
[  877.805969]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  877.811000]  ? find_held_lock+0x36/0x1c0
[  877.815073]  ? ____cache_alloc_node+0x1c7/0x1e0
[  877.819745]  ? lock_downgrade+0x900/0x900
[  877.823915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.829456]  cache_grow_begin+0xa5/0x8c0
[  877.833517]  ? do_raw_spin_unlock+0xa7/0x330
[  877.837939]  fallback_alloc+0x204/0x2e0
[  877.841938]  ____cache_alloc_node+0x1c7/0x1e0
[  877.846436]  kmem_cache_alloc_node+0xe3/0x730
[  877.850947]  ? ipv6_get_ifaddr+0x42e/0x620
[  877.855199]  __alloc_skb+0x114/0x770
[  877.858926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  877.864226]  ? netdev_alloc_frag+0x1f0/0x1f0
[  877.868646]  ? lock_downgrade+0x900/0x900
[  877.872814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  877.878369]  ? refcount_sub_and_test_checked+0x203/0x310
[  877.883842]  ? refcount_dec_if_one+0x180/0x180
[  877.888468]  ? addrconf_rs_timer+0x690/0x690
[  877.892904]  ndisc_alloc_skb+0x144/0x340
[  877.896983]  ndisc_send_rs+0x331/0x6e0
[  877.900910]  addrconf_rs_timer+0x314/0x690
[  877.905167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.909460]  call_timer_fn+0x26d/0x920
[  877.913386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.917640]  ? process_timeout+0x40/0x40
[  877.921731]  ? mark_held_locks+0xc7/0x130
[  877.925911]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.930423]  ? _raw_spin_unlock_irq+0x27/0x80
[  877.934988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.939251]  ? lockdep_hardirqs_on+0x296/0x5b0
[  877.943857]  ? trace_hardirqs_on+0xbd/0x310
[  877.948216]  ? kasan_check_read+0x11/0x20
[  877.952378]  ? __run_timers+0x7d5/0xc60
[  877.956368]  ? trace_hardirqs_off_caller+0x300/0x300
[  877.961504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  877.965758]  __run_timers+0x7e0/0xc60
[  877.969579]  ? timer_fixup_init+0x70/0x70
[  877.973748]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  877.978778]  ? graph_lock+0x270/0x270
[  877.982610]  ? print_usage_bug+0xc0/0xc0
[  877.986684]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  877.991901]  ? find_held_lock+0x36/0x1c0
[  877.995979]  ? graph_lock+0x270/0x270
[  877.999803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.005356]  ? check_preemption_disabled+0x48/0x280
[  878.010401]  ? __lock_is_held+0xb5/0x140
[  878.014484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.020038]  ? check_preemption_disabled+0x48/0x280
[  878.025074]  run_timer_softirq+0x52/0xb0
[  878.029145]  ? rcu_read_lock_sched_held+0x14f/0x180
[  878.034189]  __do_softirq+0x308/0xb7e
[  878.038018]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  878.042524]  ? lock_downgrade+0x900/0x900
[  878.046689]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  878.051823]  ? pvclock_read_flags+0x160/0x160
[  878.056350]  ? lapic_next_event+0x5a/0x90
[  878.060519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.066077]  ? kvm_clock_read+0x18/0x30
[  878.070062]  ? kvm_sched_clock_read+0x9/0x20
[  878.074483]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.080071]  ? check_preemption_disabled+0x48/0x280
[  878.085103]  irq_exit+0x17f/0x1c0
[  878.088563]  smp_apic_timer_interrupt+0x1cb/0x760
[  878.093406]  ? smp_reschedule_interrupt+0x109/0x650
[  878.098427]  ? smp_call_function_single_interrupt+0x640/0x640
[  878.104318]  ? interrupt_entry+0xb5/0xc0
[  878.108383]  ? trace_hardirqs_off_caller+0xbb/0x300
[  878.113398]  ? trace_hardirqs_off_caller+0xbb/0x300
[  878.118417]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.123259]  ? trace_hardirqs_on_caller+0x310/0x310
[  878.128272]  ? trace_hardirqs_on_caller+0x310/0x310
[  878.133299]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.138143]  apic_timer_interrupt+0xf/0x20
[  878.142383]  </IRQ>
[  878.144662] RIP: 0010:dump_stack+0x358/0x39d
[  878.149074] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  878.167973] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  878.175676] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  878.182942] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  878.190213] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  878.197492] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  878.204756] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  878.212035]  ? dump_stack+0x34f/0x39d
[  878.215846]  ? dump_stack_print_info.cold.1+0x20/0x20
[  878.221040]  ? mark_held_locks+0x130/0x130
[  878.225276]  ? mark_held_locks+0x130/0x130
[  878.229515]  dump_header+0x27b/0xf72
[  878.233274]  ? pagefault_out_of_memory+0x197/0x197
[  878.238215]  ? mark_held_locks+0x130/0x130
[  878.242454]  ? __lock_acquire+0x62f/0x4c20
[  878.246687]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  878.251447]  ? print_usage_bug+0xc0/0xc0
[  878.255515]  ? graph_lock+0x270/0x270
[  878.259313]  ? graph_lock+0x270/0x270
[  878.263122]  ? print_usage_bug+0xc0/0xc0
[  878.267184]  ? print_usage_bug+0xc0/0xc0
[  878.271255]  ? graph_lock+0x270/0x270
[  878.275071]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.280617]  ? find_held_lock+0x36/0x1c0
[  878.284716]  ? mark_held_locks+0xc7/0x130
[  878.288871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  878.293972]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  878.299075]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  878.303661]  ? trace_hardirqs_on+0xbd/0x310
[  878.307985]  ? kasan_check_read+0x11/0x20
[  878.312143]  ? ___ratelimit+0x3b4/0x672
[  878.316122]  ? trace_hardirqs_off_caller+0x300/0x300
[  878.321232]  ? trace_hardirqs_on+0x310/0x310
[  878.325658]  ? lock_downgrade+0x900/0x900
[  878.329815]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  878.334939]  ? ___ratelimit+0x3b9/0x672
[  878.338918]  ? idr_get_free+0xf70/0xf70
[  878.342895]  ? kasan_check_read+0x11/0x20
[  878.347042]  ? do_raw_spin_unlock+0xa7/0x330
[  878.351457]  oom_kill_process.cold.27+0x10/0x903
[  878.356221]  ? graph_lock+0x270/0x270
[  878.360039]  ? _raw_spin_unlock+0x2c/0x50
[  878.364187]  ? oom_badness+0xe6/0xaa0
[  878.367999]  ? oom_evaluate_task+0x540/0x540
[  878.372411]  ? find_held_lock+0x36/0x1c0
[  878.376477]  ? out_of_memory+0x96f/0x1430
[  878.380624]  ? lock_downgrade+0x900/0x900
[  878.384771]  ? check_preemption_disabled+0x48/0x280
[  878.389813]  ? kasan_check_read+0x11/0x20
[  878.393957]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  878.399249]  ? rcu_read_unlock_special+0x370/0x370
[  878.404181]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  878.409203]  ? oom_evaluate_task+0x302/0x540
[  878.413672]  out_of_memory+0xa7f/0x1430
[  878.417715]  ? oom_killer_disable+0x3a0/0x3a0
[  878.422223]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  878.427155]  ? __ww_mutex_check_waiters+0x160/0x160
[  878.432219]  __alloc_pages_slowpath+0x236a/0x2e30
[  878.437096]  ? warn_alloc+0x120/0x120
[  878.440896]  ? mark_held_locks+0x130/0x130
[  878.445138]  ? find_get_entry+0xaae/0x1120
[  878.449387]  ? filemap_map_pages+0x1a20/0x1a20
[  878.453972]  ? graph_lock+0x270/0x270
[  878.457780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.463319]  ? check_preemption_disabled+0x48/0x280
[  878.468336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.473875]  ? should_fail+0x22d/0xd01
[  878.477779]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  878.482885]  ? graph_lock+0x270/0x270
[  878.486729]  ? __lock_is_held+0xb5/0x140
[  878.490799]  ? mark_held_locks+0x130/0x130
[  878.495051]  ? lock_release+0xa10/0xa10
[  878.499025]  ? perf_trace_sched_process_exec+0x860/0x860
[  878.504474]  ? xa_load+0x2ba/0x460
[  878.508018]  ? lock_downgrade+0x900/0x900
[  878.512171]  ? __might_sleep+0x95/0x190
[  878.516150]  __alloc_pages_nodemask+0xa7b/0xdd0
[  878.520828]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  878.525844]  ? __page_cache_alloc+0x177/0x570
[  878.530335]  ? xa_load+0x2e1/0x460
[  878.533872]  ? xa_clear_mark+0x40/0x40
[  878.537761]  ? graph_lock+0x270/0x270
[  878.541575]  ? graph_lock+0x270/0x270
[  878.545377]  ? graph_lock+0x270/0x270
[  878.549179]  ? __do_page_cache_readahead+0x663/0x810
[  878.554295]  ? find_held_lock+0x36/0x1c0
[  878.558362]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  878.563908]  alloc_pages_current+0x173/0x350
[  878.568323]  __page_cache_alloc+0x3ce/0x570
[  878.572645]  ? kasan_check_read+0x11/0x20
[  878.576797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  878.582097]  ? generic_perform_write+0x6a0/0x6a0
[  878.586853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.592394]  ? check_preemption_disabled+0x48/0x280
[  878.597421]  filemap_fault+0x1595/0x25f0
[  878.601493]  ? __lock_page_or_retry+0xa00/0xa00
[  878.606164]  ? mark_held_locks+0x130/0x130
[  878.610407]  ? filemap_map_pages+0xd6b/0x1a20
[  878.614922]  ? lock_downgrade+0x900/0x900
[  878.619070]  ? check_preemption_disabled+0x48/0x280
[  878.624121]  ? kasan_check_read+0x11/0x20
[  878.628285]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  878.633576]  ? rcu_read_unlock_special+0x370/0x370
[  878.638515]  ? filemap_map_pages+0xd92/0x1a20
[  878.643053]  ? find_get_entries_tag+0x1400/0x1400
[  878.647939]  ? debug_object_destroy+0x2b0/0x2b0
[  878.652614]  ? lock_pi_update_atomic+0x150/0x150
[  878.657370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  878.662920]  ? lock_acquire+0x1ed/0x520
[  878.666895]  ? ext4_filemap_fault+0x7a/0xad
[  878.671255]  ? lock_release+0xa10/0xa10
[  878.675235]  ? perf_trace_sched_process_exec+0x860/0x860
[  878.680686]  ? print_usage_bug+0xc0/0xc0
[  878.684754]  ? print_usage_bug+0xc0/0xc0
[  878.688828]  ? down_read+0x8d/0x120
[  878.692473]  ? ext4_filemap_fault+0x7a/0xad
[  878.696796]  ? __down_interruptible+0x700/0x700
[  878.701474]  ext4_filemap_fault+0x82/0xad
[  878.705666]  __do_fault+0x100/0x6b0
[  878.709307]  ? do_futex+0x1df/0x26d0
[  878.713021]  ? pmd_devmap_trans_unstable+0x220/0x220
[  878.718124]  ? mark_held_locks+0x130/0x130
[  878.722370]  ? mark_held_locks+0x130/0x130
[  878.726616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.732171]  __handle_mm_fault+0x3ea0/0x5be0
[  878.736577]  ? perf_trace_lock+0x7a0/0x7a0
[  878.740836]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  878.745689]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  878.750293]  ? graph_lock+0x270/0x270
[  878.754092]  ? graph_lock+0x270/0x270
[  878.757895]  ? __x64_sys_futex+0x53e/0x6a0
[  878.762132]  ? find_held_lock+0x36/0x1c0
[  878.766199]  ? handle_mm_fault+0x42a/0xc70
[  878.770483]  ? lock_downgrade+0x900/0x900
[  878.774645]  ? check_preemption_disabled+0x48/0x280
[  878.779672]  ? kasan_check_read+0x11/0x20
[  878.783818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  878.789104]  ? rcu_read_unlock_special+0x370/0x370
[  878.794037]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  878.799575]  ? check_preemption_disabled+0x48/0x280
[  878.804605]  handle_mm_fault+0x54f/0xc70
[  878.808677]  ? __handle_mm_fault+0x5be0/0x5be0
[  878.813287]  ? find_vma+0x34/0x190
[  878.816839]  __do_page_fault+0x5d6/0xe40
[  878.820901]  ? trace_hardirqs_off+0xb8/0x310
[  878.825321]  do_page_fault+0xed/0x7d1
[  878.829140]  ? vmalloc_sync_all+0x30/0x30
[  878.833285]  ? error_entry+0x70/0xd0
[  878.837001]  ? trace_hardirqs_off_caller+0xbb/0x300
[  878.842013]  ? trace_hardirqs_on_caller+0xc0/0x310
[  878.846945]  ? syscall_return_slowpath+0x5e0/0x5e0
[  878.851871]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.856715]  ? trace_hardirqs_on_caller+0x310/0x310
[  878.861752]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  878.867204]  ? prepare_exit_to_usermode+0x291/0x3b0
[  878.872234]  ? page_fault+0x8/0x30
[  878.875809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  878.880671]  ? page_fault+0x8/0x30
[  878.884271]  page_fault+0x1e/0x30
[  878.887730] RIP: 0033:0x45ddf3
[  878.890938] Code: Bad RIP value.
[  878.894297] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  878.899660] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  878.906927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  878.914191] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  878.921466] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  878.928734] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  878.936060] warn_alloc_show_mem: 1 callbacks suppressed
[  878.936088] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  878.936090] Mem-Info:
[  878.936121] active_anon:129018 inactive_anon:195 isolated_anon:0
[  878.936121]  active_file:12 inactive_file:15 isolated_file:0
[  878.936121]  unevictable:1 dirty:0 writeback:0 unstable:0
[  878.936121]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  878.936121]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  878.936121]  free:13741 free_pcp:161 free_cma:0
[  878.941461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  878.949677] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  878.952094] Call Trace:
[  878.985129] 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
[  878.994478]  dump_stack+0x244/0x39d
[  879.022038] lowmem_reserve[]: 0 2818 6321 6321
[  879.024624]  ? dump_stack_print_info.cold.1+0x20/0x20
[  879.050740] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  879.054376]  warn_alloc.cold.116+0xb7/0x1bd
[  879.058917] lowmem_reserve[]: 0 0 3503 3503
[  879.064118]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  879.092035] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  879.096389]  ? lock_downgrade+0x900/0x900
[  879.100670] lowmem_reserve[]: 0 0 0 0
[  879.105527]  ? trace_hardirqs_off+0xb8/0x310
[  879.134403] 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
[  879.138556]  ? trace_hardirqs_off+0xb8/0x310
[  879.142330] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  879.146744]  __alloc_pages_slowpath+0x26fe/0x2e30
[  879.160242] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  879.164669]  ? warn_alloc+0x120/0x120
[  879.179019] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  879.183863]  ? warn_alloc+0x120/0x120
[  879.199105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  879.202894]  ? warn_alloc+0x120/0x120
[  879.211724] 296 total pagecache pages
[  879.215513]  ? trace_hardirqs_off+0xb8/0x310
[  879.224068] 0 pages in swap cache
[  879.227861]  ? print_usage_bug+0xc0/0xc0
[  879.231636] Swap cache stats: add 0, delete 0, find 0/0
[  879.236030]  ? print_usage_bug+0xc0/0xc0
[  879.239459] Free swap  = 0kB
[  879.243516]  ? __lock_acquire+0x62f/0x4c20
[  879.248852] Total swap = 0kB
[  879.252912]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.255903] 1965979 pages RAM
[  879.260138]  ? should_fail+0x22d/0xd01
[  879.263124] 0 pages HighMem/MovableOnly
[  879.263132] 342854 pages reserved
[  879.268660]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.271761] 0 pages cma reserved
[  879.275638]  ? __lock_acquire+0x62f/0x4c20
[  879.279667] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  879.283034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.288181] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  879.291471]  ? __lock_acquire+0x62f/0x4c20
[  879.295685] syz-fuzzer cpuset=/ mems_allowed=0
[  879.302167]  ? should_fail+0x22d/0xd01
[  879.330131]  ? mark_held_locks+0x130/0x130
[  879.334376]  ? mark_held_locks+0x130/0x130
[  879.338624]  ? graph_lock+0x270/0x270
[  879.342428]  ? ret_from_fork+0x3a/0x50
[  879.346315]  ? __lock_acquire+0x62f/0x4c20
[  879.350552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.356088]  ? check_preemption_disabled+0x48/0x280
[  879.361115]  ? __lock_is_held+0xb5/0x140
[  879.365186]  __alloc_pages_nodemask+0xa7b/0xdd0
[  879.369868]  ? graph_lock+0x270/0x270
[  879.373692]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  879.378720]  ? find_held_lock+0x36/0x1c0
[  879.382791]  ? ____cache_alloc_node+0x1c7/0x1e0
[  879.387458]  ? lock_downgrade+0x900/0x900
[  879.391627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.397169]  cache_grow_begin+0xa5/0x8c0
[  879.401243]  ? do_raw_spin_unlock+0xa7/0x330
[  879.405660]  fallback_alloc+0x204/0x2e0
[  879.409641]  ____cache_alloc_node+0x1c7/0x1e0
[  879.414155]  kmem_cache_alloc_node+0xe3/0x730
[  879.418653]  ? mark_held_locks+0xc7/0x130
[  879.422815]  __alloc_skb+0x114/0x770
[  879.426549]  ? netdev_alloc_frag+0x1f0/0x1f0
[  879.430955]  ? do_raw_spin_trylock+0x270/0x270
[  879.435538]  ? kmem_cache_alloc_trace+0x353/0x750
[  879.440387]  ? queue_work_on+0x12c/0x1e0
[  879.444459]  ? switchdev_port_obj_del+0xdc/0x440
[  879.449240]  ? switchdev_trans_item_enqueue+0x260/0x260
[  879.454614]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  879.459640]  __br_mdb_notify+0x4ff/0x15d0
[  879.463792]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  879.468905]  ? __br_mdb_add+0x7f0/0x7f0
[  879.472885]  ? mark_held_locks+0x130/0x130
[  879.477129]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  879.482249]  ? debug_object_assert_init+0x368/0x4b0
[  879.487269]  ? debug_object_init_on_stack+0x20/0x20
[  879.492287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.497835]  br_mdb_notify+0x310/0x410
[  879.501725]  ? br_mdb_dump+0x27b0/0x27b0
[  879.505803]  br_multicast_del_pg+0x3df/0x790
[  879.510230]  ? br_mdb_ip_get+0x940/0x940
[  879.514293]  ? rwlock_bug.part.2+0x90/0x90
[  879.518565]  ? __lock_is_held+0xb5/0x140
[  879.522644]  br_multicast_port_group_expired+0x189/0x1e0
[  879.528097]  call_timer_fn+0x26d/0x920
[  879.531988]  ? br_multicast_del_pg+0x790/0x790
[  879.536574]  ? process_timeout+0x40/0x40
[  879.540645]  ? __run_timers+0x7d5/0xc60
[  879.544627]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.549127]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.553626]  ? br_multicast_del_pg+0x790/0x790
[  879.558225]  ? lockdep_hardirqs_on+0x296/0x5b0
[  879.562813]  ? trace_hardirqs_on+0xbd/0x310
[  879.567137]  ? kasan_check_read+0x11/0x20
[  879.571281]  ? __run_timers+0x7d5/0xc60
[  879.575256]  ? trace_hardirqs_off_caller+0x300/0x300
[  879.580363]  ? br_multicast_del_pg+0x790/0x790
[  879.584954]  ? br_multicast_del_pg+0x790/0x790
[  879.589535]  __run_timers+0x7e0/0xc60
[  879.593349]  ? timer_fixup_init+0x70/0x70
[  879.597502]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.602002]  ? _raw_spin_unlock_irq+0x27/0x80
[  879.606502]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  879.611089]  ? trace_hardirqs_on+0xbd/0x310
[  879.615415]  ? kasan_check_read+0x11/0x20
[  879.619568]  ? finish_task_switch+0x1f4/0x920
[  879.624067]  ? trace_hardirqs_off_caller+0x300/0x300
[  879.629170]  ? compat_start_thread+0x80/0x80
[  879.633618]  ? pvclock_read_flags+0x160/0x160
[  879.638110]  ? __switch_to_asm+0x34/0x70
[  879.642175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.647724]  ? check_preemption_disabled+0x48/0x280
[  879.652786]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  879.658341]  ? rcu_pm_notify+0xc0/0xc0
[  879.662256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.667797]  ? check_preemption_disabled+0x48/0x280
[  879.672830]  run_timer_softirq+0x52/0xb0
[  879.676894]  ? rcu_read_lock_sched_held+0x14f/0x180
[  879.681912]  __do_softirq+0x308/0xb7e
[  879.685722]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  879.690496]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  879.695603]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  879.700372]  ? trace_hardirqs_off+0xb8/0x310
[  879.704784]  ? smpboot_thread_fn+0x68b/0xa00
[  879.709223]  ? trace_hardirqs_on+0x310/0x310
[  879.713638]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.719172]  ? check_preemption_disabled+0x48/0x280
[  879.724190]  ? takeover_tasklets+0xa90/0xa90
[  879.728655]  run_ksoftirqd+0x5e/0x100
[  879.732467]  smpboot_thread_fn+0x68b/0xa00
[  879.736710]  ? sort_range+0x30/0x30
[  879.740358]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  879.745465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.751021]  ? __kthread_parkme+0xfb/0x1a0
[  879.755262]  ? sort_range+0x30/0x30
[  879.758893]  kthread+0x35a/0x440
[  879.762264]  ? kthread_stop+0x8f0/0x8f0
[  879.766257]  ret_from_fork+0x3a/0x50
[  879.769996] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  879.770341] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  879.778244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  879.778250] Call Trace:
[  879.778267]  <IRQ>
[  879.778287]  dump_stack+0x244/0x39d
[  879.778307]  ? dump_stack_print_info.cold.1+0x20/0x20
[  879.789237] ksoftirqd/0 cpuset=/ mems_allowed=0
[  879.798588]  warn_alloc.cold.116+0xb7/0x1bd
[  879.798606]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  879.798626]  ? lock_downgrade+0x900/0x900
[  879.830421]  ? trace_hardirqs_off+0xb8/0x310
[  879.834851]  ? trace_hardirqs_off+0xb8/0x310
[  879.839284]  __alloc_pages_slowpath+0x26fe/0x2e30
[  879.844156]  ? warn_alloc+0x120/0x120
[  879.847976]  ? print_usage_bug+0xc0/0xc0
[  879.852036]  ? warn_alloc+0x120/0x120
[  879.855840]  ? warn_alloc+0x120/0x120
[  879.859646]  ? print_usage_bug+0xc0/0xc0
[  879.863709]  ? print_usage_bug+0xc0/0xc0
[  879.867781]  ? __lock_acquire+0x62f/0x4c20
[  879.872021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  879.877572]  ? should_fail+0x22d/0xd01
[  879.881478]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.886582]  ? __lock_acquire+0x62f/0x4c20
[  879.890825]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  879.895931]  ? __lock_acquire+0x62f/0x4c20
[  879.900161]  ? should_fail+0x22d/0xd01
[  879.904046]  ? find_held_lock+0x36/0x1c0
[  879.908164]  ? mark_held_locks+0x130/0x130
[  879.912405]  ? mark_held_locks+0x130/0x130
[  879.916645]  ? graph_lock+0x270/0x270
[  879.920444]  ? graph_lock+0x270/0x270
[  879.924247]  ? print_usage_bug+0xc0/0xc0
[  879.928325]  ? do_raw_spin_unlock+0xa7/0x330
[  879.932755]  ? graph_lock+0x270/0x270
[  879.936583]  ? print_usage_bug+0xc0/0xc0
[  879.940641]  ? wq_watchdog_touch+0x9c/0xfe
[  879.944900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.950442]  ? check_preemption_disabled+0x48/0x280
[  879.955472]  ? __lock_is_held+0xb5/0x140
[  879.959541]  __alloc_pages_nodemask+0xa7b/0xdd0
[  879.964217]  ? graph_lock+0x270/0x270
[  879.968029]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  879.973058]  ? find_held_lock+0x36/0x1c0
[  879.977133]  ? ____cache_alloc_node+0x1c7/0x1e0
[  879.981805]  ? lock_downgrade+0x900/0x900
[  879.985963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  879.991509]  cache_grow_begin+0xa5/0x8c0
[  879.995571]  ? do_raw_spin_unlock+0xa7/0x330
[  879.999989]  fallback_alloc+0x204/0x2e0
[  880.003974]  ____cache_alloc_node+0x1c7/0x1e0
[  880.008480]  kmem_cache_alloc_node+0xe3/0x730
[  880.012978]  ? ipv6_get_ifaddr+0x42e/0x620
[  880.017234]  __alloc_skb+0x114/0x770
[  880.020947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.026267]  ? netdev_alloc_frag+0x1f0/0x1f0
[  880.030679]  ? lock_downgrade+0x900/0x900
[  880.034833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.040376]  ? refcount_sub_and_test_checked+0x203/0x310
[  880.045843]  ? refcount_dec_if_one+0x180/0x180
[  880.050428]  ? addrconf_rs_timer+0x690/0x690
[  880.054864]  ndisc_alloc_skb+0x144/0x340
[  880.058957]  ndisc_send_rs+0x331/0x6e0
[  880.062864]  addrconf_rs_timer+0x314/0x690
[  880.067103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  880.071352]  call_timer_fn+0x26d/0x920
[  880.075261]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  880.079497]  ? process_timeout+0x40/0x40
[  880.083572]  ? mark_held_locks+0xc7/0x130
[  880.087731]  ? _raw_spin_unlock_irq+0x27/0x80
[  880.092246]  ? _raw_spin_unlock_irq+0x27/0x80
[  880.096748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  880.100982]  ? lockdep_hardirqs_on+0x296/0x5b0
[  880.105568]  ? trace_hardirqs_on+0xbd/0x310
[  880.109891]  ? kasan_check_read+0x11/0x20
[  880.114037]  ? __run_timers+0x7d5/0xc60
[  880.118016]  ? trace_hardirqs_off_caller+0x300/0x300
[  880.123134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  880.127371]  __run_timers+0x7e0/0xc60
[  880.131184]  ? timer_fixup_init+0x70/0x70
[  880.135347]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  880.140368]  ? graph_lock+0x270/0x270
[  880.144202]  ? print_usage_bug+0xc0/0xc0
[  880.148308]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  880.153504]  ? find_held_lock+0x36/0x1c0
[  880.157590]  ? graph_lock+0x270/0x270
[  880.161399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.166935]  ? check_preemption_disabled+0x48/0x280
[  880.171976]  ? __lock_is_held+0xb5/0x140
[  880.176039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.181577]  ? check_preemption_disabled+0x48/0x280
[  880.186597]  run_timer_softirq+0x52/0xb0
[  880.190659]  ? rcu_read_lock_sched_held+0x14f/0x180
[  880.195680]  __do_softirq+0x308/0xb7e
[  880.199484]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  880.203977]  ? lock_downgrade+0x900/0x900
[  880.208129]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  880.213254]  ? pvclock_read_flags+0x160/0x160
[  880.217761]  ? lapic_next_event+0x5a/0x90
[  880.221911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.227453]  ? kvm_clock_read+0x18/0x30
[  880.231430]  ? kvm_sched_clock_read+0x9/0x20
[  880.235843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.241383]  ? check_preemption_disabled+0x48/0x280
[  880.246408]  irq_exit+0x17f/0x1c0
[  880.249866]  smp_apic_timer_interrupt+0x1cb/0x760
[  880.254709]  ? smp_reschedule_interrupt+0x109/0x650
[  880.259737]  ? smp_call_function_single_interrupt+0x640/0x640
[  880.265628]  ? interrupt_entry+0xb5/0xc0
[  880.269697]  ? trace_hardirqs_off_caller+0xbb/0x300
[  880.274716]  ? trace_hardirqs_off_caller+0xbb/0x300
[  880.279745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.284593]  ? trace_hardirqs_on_caller+0x310/0x310
[  880.289613]  ? trace_hardirqs_on_caller+0x310/0x310
[  880.294647]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  880.299497]  apic_timer_interrupt+0xf/0x20
[  880.303733]  </IRQ>
[  880.305978] RIP: 0010:dump_stack+0x358/0x39d
[  880.310387] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  880.329290] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  880.336995] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  880.344262] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  880.351528] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  880.358793] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  880.366058] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  880.373343]  ? dump_stack+0x34f/0x39d
[  880.377160]  ? dump_stack_print_info.cold.1+0x20/0x20
[  880.382354]  ? mark_held_locks+0x130/0x130
[  880.386588]  ? mark_held_locks+0x130/0x130
[  880.390828]  dump_header+0x27b/0xf72
[  880.394556]  ? pagefault_out_of_memory+0x197/0x197
[  880.399490]  ? mark_held_locks+0x130/0x130
[  880.403750]  ? __lock_acquire+0x62f/0x4c20
[  880.408011]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  880.412775]  ? print_usage_bug+0xc0/0xc0
[  880.416842]  ? graph_lock+0x270/0x270
[  880.420638]  ? graph_lock+0x270/0x270
[  880.424461]  ? print_usage_bug+0xc0/0xc0
[  880.428519]  ? print_usage_bug+0xc0/0xc0
[  880.432580]  ? graph_lock+0x270/0x270
[  880.436388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.441959]  ? find_held_lock+0x36/0x1c0
[  880.446025]  ? mark_held_locks+0xc7/0x130
[  880.450174]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  880.455285]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  880.460389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  880.465004]  ? trace_hardirqs_on+0xbd/0x310
[  880.469329]  ? kasan_check_read+0x11/0x20
[  880.473481]  ? ___ratelimit+0x3b4/0x672
[  880.477458]  ? trace_hardirqs_off_caller+0x300/0x300
[  880.482563]  ? trace_hardirqs_on+0x310/0x310
[  880.486990]  ? lock_downgrade+0x900/0x900
[  880.491145]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  880.496252]  ? ___ratelimit+0x3b9/0x672
[  880.500234]  ? idr_get_free+0xf70/0xf70
[  880.504242]  ? kasan_check_read+0x11/0x20
[  880.508388]  ? do_raw_spin_unlock+0xa7/0x330
[  880.512806]  oom_kill_process.cold.27+0x10/0x903
[  880.517565]  ? graph_lock+0x270/0x270
[  880.521372]  ? _raw_spin_unlock+0x2c/0x50
[  880.525538]  ? oom_badness+0xe6/0xaa0
[  880.529344]  ? oom_evaluate_task+0x540/0x540
[  880.533761]  ? find_held_lock+0x36/0x1c0
[  880.537828]  ? out_of_memory+0x96f/0x1430
[  880.541983]  ? lock_downgrade+0x900/0x900
[  880.546147]  ? check_preemption_disabled+0x48/0x280
[  880.551167]  ? kasan_check_read+0x11/0x20
[  880.555318]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.560609]  ? rcu_read_unlock_special+0x370/0x370
[  880.565539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  880.570569]  ? oom_evaluate_task+0x302/0x540
[  880.574984]  out_of_memory+0xa7f/0x1430
[  880.578963]  ? oom_killer_disable+0x3a0/0x3a0
[  880.583474]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  880.588409]  ? __ww_mutex_check_waiters+0x160/0x160
[  880.593438]  __alloc_pages_slowpath+0x236a/0x2e30
[  880.598311]  ? warn_alloc+0x120/0x120
[  880.602113]  ? mark_held_locks+0x130/0x130
[  880.606359]  ? find_get_entry+0xaae/0x1120
[  880.610602]  ? filemap_map_pages+0x1a20/0x1a20
[  880.615188]  ? graph_lock+0x270/0x270
[  880.619017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.624554]  ? check_preemption_disabled+0x48/0x280
[  880.629573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.635110]  ? should_fail+0x22d/0xd01
[  880.639001]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  880.644106]  ? graph_lock+0x270/0x270
[  880.647935]  ? __lock_is_held+0xb5/0x140
[  880.652004]  ? mark_held_locks+0x130/0x130
[  880.656249]  ? lock_release+0xa10/0xa10
[  880.660235]  ? perf_trace_sched_process_exec+0x860/0x860
[  880.665693]  ? xa_load+0x2ba/0x460
[  880.669263]  ? lock_downgrade+0x900/0x900
[  880.673415]  ? __might_sleep+0x95/0x190
[  880.677410]  __alloc_pages_nodemask+0xa7b/0xdd0
[  880.682090]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  880.687111]  ? __page_cache_alloc+0x177/0x570
[  880.691607]  ? xa_load+0x2e1/0x460
[  880.695149]  ? xa_clear_mark+0x40/0x40
[  880.699052]  ? graph_lock+0x270/0x270
[  880.702889]  ? graph_lock+0x270/0x270
[  880.706691]  ? graph_lock+0x270/0x270
[  880.710495]  ? __do_page_cache_readahead+0x663/0x810
[  880.715604]  ? find_held_lock+0x36/0x1c0
[  880.719685]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  880.725239]  alloc_pages_current+0x173/0x350
[  880.729652]  __page_cache_alloc+0x3ce/0x570
[  880.733975]  ? kasan_check_read+0x11/0x20
[  880.738124]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.743407]  ? generic_perform_write+0x6a0/0x6a0
[  880.748166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.753706]  ? check_preemption_disabled+0x48/0x280
[  880.758751]  filemap_fault+0x1595/0x25f0
[  880.762824]  ? __lock_page_or_retry+0xa00/0xa00
[  880.767500]  ? mark_held_locks+0x130/0x130
[  880.771753]  ? filemap_map_pages+0xd6b/0x1a20
[  880.776257]  ? lock_downgrade+0x900/0x900
[  880.780409]  ? check_preemption_disabled+0x48/0x280
[  880.785430]  ? kasan_check_read+0x11/0x20
[  880.789577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.794853]  ? rcu_read_unlock_special+0x370/0x370
[  880.799792]  ? filemap_map_pages+0xd92/0x1a20
[  880.804305]  ? find_get_entries_tag+0x1400/0x1400
[  880.809146]  ? debug_object_destroy+0x2b0/0x2b0
[  880.813854]  ? lock_pi_update_atomic+0x150/0x150
[  880.818609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  880.824160]  ? lock_acquire+0x1ed/0x520
[  880.828135]  ? ext4_filemap_fault+0x7a/0xad
[  880.832465]  ? lock_release+0xa10/0xa10
[  880.836440]  ? perf_trace_sched_process_exec+0x860/0x860
[  880.841894]  ? print_usage_bug+0xc0/0xc0
[  880.845970]  ? print_usage_bug+0xc0/0xc0
[  880.850043]  ? down_read+0x8d/0x120
[  880.853671]  ? ext4_filemap_fault+0x7a/0xad
[  880.858004]  ? __down_interruptible+0x700/0x700
[  880.862700]  ext4_filemap_fault+0x82/0xad
[  880.866858]  __do_fault+0x100/0x6b0
[  880.870483]  ? do_futex+0x1df/0x26d0
[  880.874228]  ? pmd_devmap_trans_unstable+0x220/0x220
[  880.879380]  ? mark_held_locks+0x130/0x130
[  880.883621]  ? mark_held_locks+0x130/0x130
[  880.887870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.893410]  __handle_mm_fault+0x3ea0/0x5be0
[  880.897818]  ? perf_trace_lock+0x7a0/0x7a0
[  880.902074]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  880.906943]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  880.911570]  ? graph_lock+0x270/0x270
[  880.915367]  ? graph_lock+0x270/0x270
[  880.919164]  ? __x64_sys_futex+0x53e/0x6a0
[  880.923405]  ? find_held_lock+0x36/0x1c0
[  880.927485]  ? handle_mm_fault+0x42a/0xc70
[  880.931737]  ? lock_downgrade+0x900/0x900
[  880.935883]  ? check_preemption_disabled+0x48/0x280
[  880.940903]  ? kasan_check_read+0x11/0x20
[  880.945244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  880.950541]  ? rcu_read_unlock_special+0x370/0x370
[  880.955477]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  880.961016]  ? check_preemption_disabled+0x48/0x280
[  880.966044]  handle_mm_fault+0x54f/0xc70
[  880.970112]  ? __handle_mm_fault+0x5be0/0x5be0
[  880.974700]  ? find_vma+0x34/0x190
[  880.978259]  __do_page_fault+0x5d6/0xe40
[  880.982346]  ? trace_hardirqs_off+0xb8/0x310
[  880.986782]  do_page_fault+0xed/0x7d1
[  880.990593]  ? vmalloc_sync_all+0x30/0x30
[  880.994752]  ? error_entry+0x70/0xd0
[  880.998478]  ? trace_hardirqs_off_caller+0xbb/0x300
[  881.003506]  ? trace_hardirqs_on_caller+0xc0/0x310
[  881.008450]  ? syscall_return_slowpath+0x5e0/0x5e0
[  881.013394]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  881.018265]  ? trace_hardirqs_on_caller+0x310/0x310
[  881.023308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  881.028777]  ? prepare_exit_to_usermode+0x291/0x3b0
[  881.033812]  ? page_fault+0x8/0x30
[  881.037364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  881.042226]  ? page_fault+0x8/0x30
[  881.045769]  page_fault+0x1e/0x30
[  881.049228] RIP: 0033:0x45ddf3
[  881.052436] Code: Bad RIP value.
[  881.055801] RSP: 002b:000000c420024ea0 EFLAGS: 00010202
[  881.061162] RAX: ffffffffffffff92 RBX: 000000003b94b068 RCX: 000000000045ddf3
[  881.068428] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014ecf00
[  881.076222] RBP: 000000c420024ee8 R08: 0000000000000000 R09: 0000000000000000
[  881.083510] R10: 000000c420024ed8 R11: 0000000000000202 R12: 0000000000000001
[  881.090774] R13: 000000000000001f R14: 0000000000b81d20 R15: 000000000000a6f6
[  881.098074] warn_alloc_show_mem: 1 callbacks suppressed
[  881.098086] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.20.0-rc1-next-20181109+ #110
[  881.098088] Mem-Info:
[  881.098121] active_anon:129018 inactive_anon:195 isolated_anon:0
[  881.098121]  active_file:12 inactive_file:15 isolated_file:0
[  881.098121]  unevictable:1 dirty:0 writeback:0 unstable:0
[  881.098121]  slab_reclaimable:8796 slab_unreclaimable:1376794
[  881.098121]  mapped:49154 shmem:268 pagetables:1480 bounce:0
[  881.098121]  free:13741 free_pcp:161 free_cma:0
[  881.103458] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  881.111515] Node 0 active_anon:516072kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:1072kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 143360kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  881.113909] Call Trace:
[  881.146961] 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
[  881.156314]  dump_stack+0x244/0x39d
[  881.183870] lowmem_reserve[]: 0 2818 6321 6321
[  881.186468]  ? dump_stack_print_info.cold.1+0x20/0x20
[  881.212556] Node 0 DMA32 free:25152kB min:30052kB low:37564kB high:45076kB active_anon:8244kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888772kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  881.216189]  warn_alloc.cold.116+0xb7/0x1bd
[  881.220739] lowmem_reserve[]: 0 0 3503 3503
[  881.225927]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  881.253317] Node 0 Normal free:13904kB min:37364kB low:46704kB high:56044kB active_anon:507828kB inactive_anon:780kB active_file:48kB inactive_file:60kB unevictable:4kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:7776kB pagetables:5920kB bounce:0kB free_pcp:644kB local_pcp:396kB free_cma:0kB
[  881.257638]  ? lock_downgrade+0x900/0x900
[  881.261948] lowmem_reserve[]: 0 0 0 0
[  881.266790]  ? trace_hardirqs_off+0xb8/0x310
[  881.295664] 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
[  881.299811]  ? trace_hardirqs_off+0xb8/0x310
[  881.303597] Node 0 DMA32: 0*4kB 0*8kB 2*16kB (UM) 3*32kB (UM) 3*64kB (M) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 1*2048kB (U) 4*4096kB (M) = 25152kB
[  881.308023]  __alloc_pages_slowpath+0x26fe/0x2e30
[  881.321512] Node 0 Normal: 562*4kB (ME) 589*8kB (UME) 252*16kB (MH) 1*32kB (H) 1*64kB (H) 2*128kB (UH) 2*256kB (UH) 2*512kB (UH) 1*1024kB (H) 0*2048kB 0*4096kB = 13904kB
[  881.325951]  ? warn_alloc+0x120/0x120
[  881.340298] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  881.345130]  ? print_usage_bug+0xc0/0xc0
[  881.360366] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  881.364152]  ? warn_alloc+0x120/0x120
[  881.372965] 296 total pagecache pages
[  881.377016]  ? warn_alloc+0x120/0x120
[  881.385585] 0 pages in swap cache
[  881.389368]  ? print_usage_bug+0xc0/0xc0
[  881.393149] Swap cache stats: add 0, delete 0, find 0/0
[  881.396943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  881.400369] Free swap  = 0kB
[  881.404426]  ? should_fail+0x22d/0xd01
[  881.409791] Total swap = 0kB
[  881.415322]  ? print_usage_bug+0xc0/0xc0
[  881.418314] 1965979 pages RAM
[  881.422191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  881.425186] 0 pages HighMem/MovableOnly
[  881.429285]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  881.432364] 342854 pages reserved
[  881.437457]  ? should_fail+0x22d/0xd01
[  881.441406] 0 pages cma reserved
[  881.446937]  ? should_fail+0x22d/0xd01
[  881.450451] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  881.454283]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  881.457692] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  881.461503]  ? __lock_acquire+0x62f/0x4c20
[  881.467971] syz-fuzzer cpuset=/ mems_allowed=0
[  881.473068]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  881.497131]  ? __lock_acquire+0x62f/0x4c20
[  881.501370]  ? should_fail+0x22d/0xd01
[  881.505270]  ? mark_held_locks+0x130/0x130
[  881.509510]  ? mark_held_locks+0x130/0x130
[  881.513768]  ? graph_lock+0x270/0x270
[  881.517587]  ? ret_from_fork+0x3a/0x50
[  881.521476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.527012]  ? check_preemption_disabled+0x48/0x280
[  881.532037]  ? __lock_is_held+0xb5/0x140
[  881.536103]  __alloc_pages_nodemask+0xa7b/0xdd0
[  881.540770]  ? graph_lock+0x270/0x270
[  881.544588]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  881.549618]  ? find_held_lock+0x36/0x1c0
[  881.553716]  ? ____cache_alloc_node+0x1c7/0x1e0
[  881.558386]  ? lock_downgrade+0x900/0x900
[  881.562544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.568084]  cache_grow_begin+0xa5/0x8c0
[  881.572149]  ? do_raw_spin_unlock+0xa7/0x330
[  881.576565]  fallback_alloc+0x204/0x2e0
[  881.580548]  ____cache_alloc_node+0x1c7/0x1e0
[  881.585047]  kmem_cache_alloc_node+0xe3/0x730
[  881.589541]  ? mark_held_locks+0xc7/0x130
[  881.593699]  __alloc_skb+0x114/0x770
[  881.597419]  ? netdev_alloc_frag+0x1f0/0x1f0
[  881.601826]  ? do_raw_spin_trylock+0x270/0x270
[  881.606407]  ? kmem_cache_alloc_trace+0x353/0x750
[  881.611257]  ? queue_work_on+0x12c/0x1e0
[  881.615326]  ? switchdev_port_obj_del+0xdc/0x440
[  881.620080]  ? switchdev_trans_item_enqueue+0x260/0x260
[  881.625445]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  881.630474]  __br_mdb_notify+0x4ff/0x15d0
[  881.634652]  ? __br_mdb_add+0x7f0/0x7f0
[  881.638635]  ? graph_lock+0x270/0x270
[  881.642448]  ? br_multicast_group_expired+0x96/0x610
[  881.647559]  br_mdb_notify+0x310/0x410
[  881.651451]  ? br_mdb_dump+0x27b0/0x27b0
[  881.655520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.661066]  br_multicast_group_expired+0x1bc/0x610
[  881.666089]  ? br_mdb_free+0x80/0x80
[  881.669833]  call_timer_fn+0x26d/0x920
[  881.673718]  ? br_mdb_free+0x80/0x80
[  881.677431]  ? process_timeout+0x40/0x40
[  881.681500]  ? __run_timers+0x7d5/0xc60
[  881.685483]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.690009]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.694516]  ? br_mdb_free+0x80/0x80
[  881.698239]  ? lockdep_hardirqs_on+0x296/0x5b0
[  881.702842]  ? trace_hardirqs_on+0xbd/0x310
[  881.707162]  ? kasan_check_read+0x11/0x20
[  881.711309]  ? __run_timers+0x7d5/0xc60
[  881.715285]  ? trace_hardirqs_off_caller+0x300/0x300
[  881.720394]  ? br_multicast_del_pg+0x790/0x790
[  881.724979]  ? br_mdb_free+0x80/0x80
[  881.728692]  __run_timers+0x7e0/0xc60
[  881.732501]  ? timer_fixup_init+0x70/0x70
[  881.736656]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.741161]  ? _raw_spin_unlock_irq+0x27/0x80
[  881.745656]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  881.750248]  ? trace_hardirqs_on+0xbd/0x310
[  881.754565]  ? kasan_check_read+0x11/0x20
[  881.758711]  ? finish_task_switch+0x1f4/0x920
[  881.763229]  ? trace_hardirqs_off_caller+0x300/0x300
[  881.768338]  ? compat_start_thread+0x80/0x80
[  881.772764]  ? pvclock_read_flags+0x160/0x160
[  881.777262]  ? __switch_to_asm+0x34/0x70
[  881.781326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.786864]  ? check_preemption_disabled+0x48/0x280
[  881.791887]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  881.797445]  ? rcu_pm_notify+0xc0/0xc0
[  881.801352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  881.806905]  ? check_preemption_disabled+0x48/0x280
[  881.811927]  run_timer_softirq+0x52/0xb0
[  881.815982]  ? rcu_read_lock_sched_held+0x14f/0x180
[  881.821000]  __do_softirq+0x308/0xb7e
[  881.824811]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  881.829572]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  881.834685]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  881.839501]  ? trace_hardirqs_off+0xb8/0x310
[  881.843914]  ? smpboot_thread_fn+0x68b/0xa00
[  881.848324]  ? trace_hardirqs_on+0x310/0x310
[  881.852735]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  881.858287]  ? check_preemption_disabled+0x48/0x280
[  881.863307]  ? takeover_tasklets+0xa90/0xa90
[  881.867716]  run_ksoftirqd+0x5e/0x100
[  881.871548]  smpboot_thread_fn+0x68b/0xa00
[  881.875800]  ? sort_range+0x30/0x30
[  881.879431]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  881.884581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  881.890133]  ? __kthread_parkme+0xfb/0x1a0
[  881.894373]  ? sort_range+0x30/0x30
[  881.897998]  kthread+0x35a/0x440
[  881.901380]  ? kthread_stop+0x8f0/0x8f0
[  881.905358]  ret_from_fork+0x3a/0x50
[  881.909089] CPU: 1 PID: 6027 Comm: syz-fuzzer Not tainted 4.20.0-rc1-next-20181109+ #110
[  881.909248] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  881.917316] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  881.927610] ksoftirqd/0 cpuset=/ mems_allowed=0
[  881.936964] Call Trace:
[  881.944205]  <IRQ>
[  881.946372]  dump_stack+0x244/0x39d
[  881.950006]  ? dump_stack_print_info.cold.1+0x20/0x20
[  881.955215]  warn_alloc.cold.116+0xb7/0x1bd
[  881.959557]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  881.964404]  ? lock_downgrade+0x900/0x900
[  881.968559]  ? trace_hardirqs_off+0xb8/0x310
[  881.972980]  ? trace_hardirqs_off+0xb8/0x310
[  881.977396]  __alloc_pages_slowpath+0x26fe/0x2e30
[  881.982270]  ? warn_alloc+0x120/0x120
[  881.986070]  ? print_usage_bug+0xc0/0xc0
[  881.990142]  ? warn_alloc+0x120/0x120
[  881.993945]  ? warn_alloc+0x120/0x120
[  881.997775]  ? print_usage_bug+0xc0/0xc0
[  882.001875]  ? print_usage_bug+0xc0/0xc0
[  882.005956]  ? __lock_acquire+0x62f/0x4c20
[  882.010199]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.015747]  ? should_fail+0x22d/0xd01
[  882.019634]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  882.024776]  ? __lock_acquire+0x62f/0x4c20
[  882.029019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  882.034120]  ? __lock_acquire+0x62f/0x4c20
[  882.038355]  ? should_fail+0x22d/0xd01
[  882.042248]  ? find_held_lock+0x36/0x1c0
[  882.046317]  ? mark_held_locks+0x130/0x130
[  882.050560]  ? mark_held_locks+0x130/0x130
[  882.054800]  ? graph_lock+0x270/0x270
[  882.058627]  ? graph_lock+0x270/0x270
[  882.062432]  ? print_usage_bug+0xc0/0xc0
[  882.066489]  ? do_raw_spin_unlock+0xa7/0x330
[  882.070898]  ? graph_lock+0x270/0x270
[  882.074714]  ? print_usage_bug+0xc0/0xc0
[  882.078779]  ? wq_watchdog_touch+0x9c/0xfe
[  882.083016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.088552]  ? check_preemption_disabled+0x48/0x280
[  882.093582]  ? __lock_is_held+0xb5/0x140
[  882.097652]  __alloc_pages_nodemask+0xa7b/0xdd0
[  882.102321]  ? graph_lock+0x270/0x270
[  882.106127]  ? __alloc_pages_slowpath+0x2e30/0x2e30
[  882.111158]  ? find_held_lock+0x36/0x1c0
[  882.115239]  ? ____cache_alloc_node+0x1c7/0x1e0
[  882.119910]  ? lock_downgrade+0x900/0x900
[  882.124063]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.129612]  cache_grow_begin+0xa5/0x8c0
[  882.133691]  ? do_raw_spin_unlock+0xa7/0x330
[  882.138109]  fallback_alloc+0x204/0x2e0
[  882.142089]  ____cache_alloc_node+0x1c7/0x1e0
[  882.146591]  kmem_cache_alloc_node+0xe3/0x730
[  882.151084]  ? ipv6_get_ifaddr+0x42e/0x620
[  882.155328]  __alloc_skb+0x114/0x770
[  882.159089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  882.164387]  ? netdev_alloc_frag+0x1f0/0x1f0
[  882.168797]  ? lock_downgrade+0x900/0x900
[  882.172950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.178495]  ? refcount_sub_and_test_checked+0x203/0x310
[  882.183949]  ? refcount_dec_if_one+0x180/0x180
[  882.188534]  ? addrconf_rs_timer+0x690/0x690
[  882.192957]  ndisc_alloc_skb+0x144/0x340
[  882.197023]  ndisc_send_rs+0x331/0x6e0
[  882.200920]  addrconf_rs_timer+0x314/0x690
[  882.205163]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.209409]  call_timer_fn+0x26d/0x920
[  882.213295]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.217531]  ? process_timeout+0x40/0x40
[  882.221600]  ? mark_held_locks+0xc7/0x130
[  882.225759]  ? _raw_spin_unlock_irq+0x27/0x80
[  882.230302]  ? _raw_spin_unlock_irq+0x27/0x80
[  882.234809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.239043]  ? lockdep_hardirqs_on+0x296/0x5b0
[  882.243628]  ? trace_hardirqs_on+0xbd/0x310
[  882.247954]  ? kasan_check_read+0x11/0x20
[  882.252095]  ? __run_timers+0x7d5/0xc60
[  882.256067]  ? trace_hardirqs_off_caller+0x300/0x300
[  882.261174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.265413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  882.269643]  __run_timers+0x7e0/0xc60
[  882.273452]  ? timer_fixup_init+0x70/0x70
[  882.277620]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  882.282639]  ? graph_lock+0x270/0x270
[  882.286447]  ? print_usage_bug+0xc0/0xc0
[  882.290509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  882.295711]  ? find_held_lock+0x36/0x1c0
[  882.299781]  ? graph_lock+0x270/0x270
[  882.303590]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.309129]  ? check_preemption_disabled+0x48/0x280
[  882.314170]  ? __lock_is_held+0xb5/0x140
[  882.318247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.323788]  ? check_preemption_disabled+0x48/0x280
[  882.328827]  run_timer_softirq+0x52/0xb0
[  882.332898]  ? rcu_read_lock_sched_held+0x14f/0x180
[  882.337917]  __do_softirq+0x308/0xb7e
[  882.341729]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  882.346245]  ? lock_downgrade+0x900/0x900
[  882.350393]  ? __irqentry_text_end+0x1f9688/0x1f9688
[  882.355509]  ? pvclock_read_flags+0x160/0x160
[  882.360021]  ? lapic_next_event+0x5a/0x90
[  882.364168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.369709]  ? kvm_clock_read+0x18/0x30
[  882.373688]  ? kvm_sched_clock_read+0x9/0x20
[  882.378103]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  882.383639]  ? check_preemption_disabled+0x48/0x280
[  882.388666]  irq_exit+0x17f/0x1c0
[  882.392117]  smp_apic_timer_interrupt+0x1cb/0x760
[  882.396959]  ? smp_reschedule_interrupt+0x109/0x650
[  882.401990]  ? smp_call_function_single_interrupt+0x640/0x640
[  882.407879]  ? interrupt_entry+0xb5/0xc0
[  882.411937]  ? trace_hardirqs_off_caller+0xbb/0x300
[  882.416955]  ? trace_hardirqs_off_caller+0xbb/0x300
[  882.421977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  882.426820]  ? trace_hardirqs_on_caller+0x310/0x310
[  882.431838]  ? trace_hardirqs_on_caller+0x310/0x310
[  882.436875]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  882.441732]  apic_timer_interrupt+0xf/0x20
[  882.445974]  </IRQ>
[  882.448224] RIP: 0010:dump_stack+0x358/0x39d
[  882.452636] Code: 74 0c 48 c7 c7 b0 fb 51 89 e8 b1 2d fc f9 48 83 3d a9 28 8b 01 00 0f 84 63 fe ff ff e8 9e d5 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 8b d5 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  882.471536] RSP: 0000:ffff8801b2bae1e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  882.479237] RAX: ffff8801c1f40700 RBX: 1ffffffff12a3f76 RCX: 1ffff100383e81fe
[  882.486501] RDX: 0000000000000000 RSI: ffffffff87c6d312 RDI: 0000000000000293
[  882.493782] RBP: ffff8801b2bae290 R08: ffff8801c1f40ff0 R09: 0000000000000006
[  882.501047] R10: 0000000000000000 R11: ffff8801c1f40700 R12: 1ffff10036575c45
[  882.508312] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  882.515588]  ? dump_stack+0x34f/0x39d
[  882.519413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  882.524605]  ? mark_held_locks+0x130/0x130
[  882.528842]  ? mark_held_locks+0x130/0x130
[  882.533077]  dump_header+0x27b/0xf72
[  882.536800]  ? pagefault_out_of_memory+0x197/0x197
[  882.541739]  ? mark_held_locks+0x130/0x130
[  882.545978]  ? __lock_acquire+0x62f/0x4c20
[  882.550221]  ? mem_cgroup_css_online+0x3d0/0x3d0
[  882.554979]  ? print_usage_bug+0xc0/0xc0
[  882.559042]  ? graph_lock+0x270/0x270
[  882.562855]  ? graph_lock+0x270/0x270
[  882.566671]  ? print_usage_bug+0xc0/0xc0
[  882.570737]  ? print_usage_bug+0xc0/0xc0
[  882.574801]  ? graph_lock+0x270/0x270
[  882.578638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  882.584194]  ? find_held_lock+0x36/0x1c0
[  882.588289]  ? mark_held_locks+0xc7/0x130
[  882.592443]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  882.597546]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  882.602649]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  882.607236]  ? trace_hardirqs_on+0xbd/0x310
[  882.611559]  ? kasan_check_read+0x11/0x20
[  882.615717]  ? ___ratelimit+0x3b4/0x672
[  882.619696]  ? trace_hardirqs_off_caller+0x300/0x300
[  882.624804]  ? trace_hardirqs_on+0x310/0x310
[  882.629219]  ? lock_downgrade+0x900/0x900
[  882.633376]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  882.638478]  ? ___ratelimit+0x3b9/0x672
[  882.642453]  ? idr_get_free+0xf70/0xf70
[  882.646421]  ? kasan_check_read+0x11/0x20
[  882.650567]  ? do_raw_spin_unlock+0xa7/0x330
[  882.654981]  oom_kill_process.cold.27+0x10/0x903
[  882.659742]  ? graph_lock+0x270/0x270
[  882.663538]  ? _raw_spin_unlock+0x2c/0x50
[  882.667691]  ? oom_badness+0xe6/0xaa0
[  882.671528]  ? oom_evaluate_task+0x540/0x540
[  882.675937]  ? find_held_lock+0x36/0x1c0
[  882.680001]  ? out_of_memory+0x96f/0x1430
[  882.684149]  ? lock_downgrade+0x900/0x900
[  882.688308]  ? check_preemption_disabled+0x48/0x280
[  882.693342]  ? kasan_check_read+0x11/0x20
[  882.697489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  882.702760]  ? rcu_read_unlock_special+0x370/0x370
[  882.707688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  882.712698]  ? oom_evaluate_task+0x302/0x540
[  882.717107]  out_of_memory+0xa7f/0x1430
[  882.721087]  ? oom_killer_disable+0x3a0/0x3a0
[  882.725583]  ? __alloc_pages_slowpath+0xf27/0x2e30
[  882.730512]  ? __ww_mutex_check_waiters+0x160/0x160
[  882.735541]  __alloc_pages_slowpath+0x236a/0x2e30
[  882.740412]  ? warn_alloc+0x120/0x120
[  882.744218]  ? mark_held_locks+0x130/0x130
[  882.748459]  ? find_get_entry+0xaae/0x1120
[  882.752707]  ? filemap_map_pages+0x1a20/0x1a20