dr+0x42e/0x620
[  623.651346]  __alloc_skb+0x119/0x770
[  623.655062]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.660348]  ? netdev_alloc_frag+0x1f0/0x1f0
[  623.664759]  ? lock_downgrade+0x900/0x900
[  623.668917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.674456]  ? refcount_sub_and_test_checked+0x203/0x310
[  623.679911]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  623.685365]  ? addrconf_rs_timer+0x690/0x690
[  623.689788]  ndisc_alloc_skb+0x144/0x340
[  623.693857]  ndisc_send_rs+0x331/0x6e0
[  623.697800]  addrconf_rs_timer+0x314/0x690
[  623.702039]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.706289]  call_timer_fn+0x272/0x920
[  623.710180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.714422]  ? process_timeout+0x40/0x40
[  623.718495]  ? __run_timers+0x7da/0xc70
[  623.722949]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.727446]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.731945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.736202]  ? lockdep_hardirqs_on+0x296/0x5b0
[  623.740798]  ? trace_hardirqs_on+0xbd/0x310
[  623.745121]  ? kasan_check_read+0x11/0x20
[  623.749268]  ? __run_timers+0x7da/0xc70
[  623.753252]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.758361]  ? __queue_work+0x1440/0x1440
[  623.762516]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.766749]  __run_timers+0x7e5/0xc70
[  623.770561]  ? timer_fixup_init+0x70/0x70
[  623.774714]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  623.779736]  ? zap_class+0x640/0x640
[  623.783455]  ? enqueue_hrtimer+0x1a5/0x560
[  623.787695]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  623.793016]  ? find_held_lock+0x36/0x1c0
[  623.797087]  ? zap_class+0x640/0x640
[  623.800811]  ? pvclock_read_flags+0x160/0x160
[  623.805314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.810859]  ? check_preemption_disabled+0x48/0x280
[  623.815888]  ? __lock_is_held+0xb5/0x140
[  623.819953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.825511]  ? check_preemption_disabled+0x48/0x280
[  623.830539]  run_timer_softirq+0x52/0xb0
[  623.834602]  ? rcu_read_lock_sched_held+0x14f/0x180
[  623.839624]  __do_softirq+0x308/0xb7e
[  623.843436]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  623.847937]  ? lock_downgrade+0x900/0x900
[  623.852094]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  623.857211]  ? pvclock_read_flags+0x160/0x160
[  623.861730]  ? lapic_next_event+0x5a/0x90
[  623.865883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.871431]  ? kvm_clock_read+0x18/0x30
[  623.875408]  ? kvm_sched_clock_read+0x9/0x20
[  623.879825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.885370]  ? check_preemption_disabled+0x48/0x280
[  623.890402]  irq_exit+0x17f/0x1c0
[  623.893866]  smp_apic_timer_interrupt+0x1cb/0x760
[  623.898711]  ? smp_call_function_single_interrupt+0x159/0x650
[  623.904596]  ? smp_call_function_single_interrupt+0x650/0x650
[  623.910481]  ? interrupt_entry+0xb5/0xc0
[  623.914546]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.919564]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.924584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.929432]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.934450]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.939466]  ? task_prio+0x50/0x50
[  623.943007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.948547]  ? check_preemption_disabled+0x48/0x280
[  623.953573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.958428]  apic_timer_interrupt+0xf/0x20
[  623.962661]  </IRQ>
[  623.964901] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  623.969830] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  623.988733] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  623.996449] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  624.003720] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  624.010989] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  624.018264] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  624.025531] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  624.032850]  skb_clone+0x1bb/0x500
[  624.036392]  ? finish_task_switch+0x2f4/0x910
[  624.040890]  ? skb_split+0x11e0/0x11e0
[  624.044782]  ? preempt_notifier_register+0x200/0x200
[  624.049887]  ? __switch_to_asm+0x34/0x70
[  624.053954]  ? __switch_to_asm+0x34/0x70
[  624.058014]  ? __switch_to_asm+0x40/0x70
[  624.062076]  ? __switch_to_asm+0x34/0x70
[  624.066140]  ? __switch_to_asm+0x40/0x70
[  624.070201]  ? __switch_to_asm+0x34/0x70
[  624.074275]  ? __switch_to_asm+0x40/0x70
[  624.078336]  ? __switch_to_asm+0x34/0x70
[  624.082400]  ? __switch_to_asm+0x34/0x70
[  624.086462]  ? __switch_to_asm+0x40/0x70
[  624.090524]  ? __switch_to_asm+0x34/0x70
[  624.094595]  bpf_clone_redirect+0xb9/0x490
[  624.098841]  ? __schedule+0x8d7/0x21d0
[  624.102739]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  624.107763]  ? __sched_text_start+0x8/0x8
[  624.111918]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  624.116503]  ? retint_kernel+0x2d/0x2d
[  624.120397]  ? trace_hardirqs_on_caller+0xc0/0x310
[  624.125334]  ? find_held_lock+0x36/0x1c0
[  624.129409]  ? lock_acquire+0x1ed/0x520
[  624.133385]  ? bpf_test_run+0x3cb/0x780
[  624.137360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.142901]  ? check_preemption_disabled+0x48/0x280
[  624.147927]  ? kasan_check_read+0x11/0x20
[  624.152079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.157359]  ? rcu_softirq_qs+0x20/0x20
[  624.161337]  ? preempt_schedule+0x4d/0x60
[  624.165488]  ? ___preempt_schedule+0x16/0x18
[  624.169911]  ? bpf_test_run+0x25d/0x780
[  624.173899]  ? netlink_diag_dump+0x2a0/0x2a0
[  624.178318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.183859]  ? bpf_test_init.isra.10+0x70/0x100
[  624.188536]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  624.193304]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  624.198153]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  624.203694]  ? fput+0x130/0x1a0
[  624.206975]  ? __bpf_prog_get+0x9b/0x290
[  624.211040]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  624.215884]  ? bpf_prog_test_run+0x130/0x1a0
[  624.220299]  ? __x64_sys_bpf+0x3d8/0x520
[  624.224365]  ? bpf_prog_get+0x20/0x20
[  624.228188]  ? do_syscall_64+0x1b9/0x820
[  624.232269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  624.237641]  ? syscall_return_slowpath+0x5e0/0x5e0
[  624.242580]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.247602]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  624.252637]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  624.259308]  ? __switch_to_asm+0x40/0x70
[  624.263370]  ? __switch_to_asm+0x34/0x70
[  624.267438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.272291]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  624.277677] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  624.277749] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  624.284260] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  624.284269] Call Trace:
[  624.290842] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  624.300093]  <IRQ>
[  624.302662] syz-executor3 cpuset=syz3 mems_allowed=0
[  624.313146]  dump_stack+0x244/0x39d
[  624.323989]  ? dump_stack_print_info.cold.1+0x20/0x20
[  624.329195]  warn_alloc.cold.116+0xb7/0x1bd
[  624.333530]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  624.338381]  ? lock_downgrade+0x900/0x900
[  624.342548]  ? trace_hardirqs_off+0xb8/0x310
[  624.346963]  ? trace_hardirqs_off+0xb8/0x310
[  624.351387]  __alloc_pages_slowpath+0x26e8/0x2e10
[  624.356267]  ? warn_alloc+0x120/0x120
[  624.360073]  ? print_usage_bug+0xc0/0xc0
[  624.364140]  ? warn_alloc+0x120/0x120
[  624.367947]  ? warn_alloc+0x120/0x120
[  624.371751]  ? print_usage_bug+0xc0/0xc0
[  624.375815]  ? kvm_clock_read+0x18/0x30
[  624.379795]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  624.384815]  ? print_usage_bug+0xc0/0xc0
[  624.388881]  ? __lock_acquire+0x62f/0x4c20
[  624.393125]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.398668]  ? should_fail+0x22d/0xd01
[  624.402559]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.407846]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.412958]  ? __lock_acquire+0x62f/0x4c20
[  624.417199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.422312]  ? __lock_acquire+0x62f/0x4c20
[  624.426566]  ? should_fail+0x22d/0xd01
[  624.430455]  ? rcu_irq_exit+0x1a2/0x390
[  624.434442]  ? mark_held_locks+0x130/0x130
[  624.438685]  ? mark_held_locks+0x130/0x130
[  624.442926]  ? mark_held_locks+0xc7/0x130
[  624.447079]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  624.452099]  ? zap_class+0x640/0x640
[  624.455814]  ? print_usage_bug+0xc0/0xc0
[  624.459884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.465474]  ? check_preemption_disabled+0x48/0x280
[  624.470512]  ? __lock_is_held+0xb5/0x140
[  624.474583]  __alloc_pages_nodemask+0xa80/0xde0
[  624.479257]  ? zap_class+0x640/0x640
[  624.482978]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  624.488013]  ? find_held_lock+0x36/0x1c0
[  624.492087]  ? ____cache_alloc_node+0x1c7/0x1e0
[  624.496761]  ? lock_downgrade+0x900/0x900
[  624.500922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.506476]  cache_grow_begin+0xa5/0x8c0
[  624.510542]  ? do_raw_spin_unlock+0xa7/0x330
[  624.514964]  fallback_alloc+0x204/0x2e0
[  624.518948]  ____cache_alloc_node+0x1c7/0x1e0
[  624.523456]  kmem_cache_alloc_node+0xe3/0x730
[  624.527950]  ? ipv6_get_ifaddr+0x42e/0x620
[  624.532198]  __alloc_skb+0x119/0x770
[  624.535918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.541198]  ? netdev_alloc_frag+0x1f0/0x1f0
[  624.545621]  ? lock_downgrade+0x900/0x900
[  624.549784]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.555329]  ? refcount_sub_and_test_checked+0x203/0x310
[  624.560789]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  624.566257]  ? addrconf_rs_timer+0x690/0x690
[  624.570694]  ndisc_alloc_skb+0x144/0x340
[  624.574771]  ndisc_send_rs+0x331/0x6e0
[  624.578664]  addrconf_rs_timer+0x314/0x690
[  624.582903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.587162]  call_timer_fn+0x272/0x920
[  624.591055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.595293]  ? process_timeout+0x40/0x40
[  624.599365]  ? mark_held_locks+0xc7/0x130
[  624.603517]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.608012]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.612505]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.616752]  ? lockdep_hardirqs_on+0x296/0x5b0
[  624.621337]  ? trace_hardirqs_on+0xbd/0x310
[  624.625662]  ? kasan_check_read+0x11/0x20
[  624.629812]  ? __run_timers+0x7da/0xc70
[  624.633792]  ? trace_hardirqs_off_caller+0x310/0x310
[  624.638904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.643152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  624.647389]  __run_timers+0x7e5/0xc70
[  624.651203]  ? timer_fixup_init+0x70/0x70
[  624.655364]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  624.660385]  ? zap_class+0x640/0x640
[  624.664104]  ? print_usage_bug+0xc0/0xc0
[  624.668169]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  624.673368]  ? find_held_lock+0x36/0x1c0
[  624.677440]  ? zap_class+0x640/0x640
[  624.681162]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.686705]  ? check_preemption_disabled+0x48/0x280
[  624.691743]  ? __lock_is_held+0xb5/0x140
[  624.695806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.701350]  ? check_preemption_disabled+0x48/0x280
[  624.706375]  run_timer_softirq+0x52/0xb0
[  624.710437]  ? rcu_read_lock_sched_held+0x14f/0x180
[  624.715454]  __do_softirq+0x308/0xb7e
[  624.719279]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  624.723778]  ? lock_downgrade+0x900/0x900
[  624.727939]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  624.733059]  ? pvclock_read_flags+0x160/0x160
[  624.737565]  ? lapic_next_event+0x5a/0x90
[  624.741748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.747299]  ? kvm_clock_read+0x18/0x30
[  624.751272]  ? kvm_sched_clock_read+0x9/0x20
[  624.755685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.761237]  ? check_preemption_disabled+0x48/0x280
[  624.766275]  irq_exit+0x17f/0x1c0
[  624.769746]  smp_apic_timer_interrupt+0x1cb/0x760
[  624.774589]  ? smp_reschedule_interrupt+0x109/0x650
[  624.779608]  ? smp_call_function_single_interrupt+0x650/0x650
[  624.785495]  ? interrupt_entry+0xb5/0xc0
[  624.789563]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.794577]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.799594]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.804440]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.809458]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.814473]  ? task_prio+0x50/0x50
[  624.818015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.823556]  ? check_preemption_disabled+0x48/0x280
[  624.828591]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.833444]  apic_timer_interrupt+0xf/0x20
[  624.837670]  </IRQ>
[  624.839921] RIP: 0010:dump_stack+0x358/0x39d
[  624.844329] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  624.863719] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  624.871431] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  624.878700] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  624.885970] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  624.893245] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  624.900510] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  624.907799]  ? dump_stack+0x34f/0x39d
[  624.911613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  624.916808]  ? mark_held_locks+0x130/0x130
[  624.921041]  ? mark_held_locks+0x130/0x130
[  624.925286]  dump_header+0x27b/0xf72
[  624.929017]  ? pagefault_out_of_memory+0x197/0x197
[  624.933954]  ? __lock_acquire+0x62f/0x4c20
[  624.938195]  ? percpu_ref_get_many+0x240/0x240
[  624.942791]  ? print_usage_bug+0xc0/0xc0
[  624.946858]  ? zap_class+0x640/0x640
[  624.950579]  ? print_usage_bug+0xc0/0xc0
[  624.954637]  ? print_usage_bug+0xc0/0xc0
[  624.958700]  ? zap_class+0x640/0x640
[  624.962425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.967970]  ? find_held_lock+0x36/0x1c0
[  624.972049]  ? mark_held_locks+0xc7/0x130
[  624.976204]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  624.981319]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  624.986423]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  624.991006]  ? trace_hardirqs_on+0xbd/0x310
[  624.995332]  ? kasan_check_read+0x11/0x20
[  624.999476]  ? ___ratelimit+0x3b4/0x672
[  625.003456]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.008559]  ? trace_hardirqs_on+0x310/0x310
[  625.012967]  ? lock_downgrade+0x900/0x900
[  625.017121]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  625.022237]  ? ___ratelimit+0x3b9/0x672
[  625.026225]  ? idr_get_free+0xf70/0xf70
[  625.030198]  ? find_held_lock+0x36/0x1c0
[  625.034282]  oom_kill_process.cold.27+0x10/0x903
[  625.039039]  ? zap_class+0x640/0x640
[  625.042759]  ? check_preemption_disabled+0x48/0x280
[  625.047781]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.052714]  ? kasan_check_read+0x11/0x20
[  625.056863]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.062141]  ? oom_evaluate_task+0x540/0x540
[  625.066556]  ? find_held_lock+0x36/0x1c0
[  625.070626]  ? out_of_memory+0x974/0x1430
[  625.074780]  ? lock_downgrade+0x900/0x900
[  625.078929]  ? check_preemption_disabled+0x48/0x280
[  625.083953]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.088881]  ? kasan_check_read+0x11/0x20
[  625.093033]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.098326]  ? rcu_softirq_qs+0x20/0x20
[  625.102309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.107842]  ? oom_evaluate_task+0x302/0x540
[  625.112261]  out_of_memory+0xa84/0x1430
[  625.116249]  ? oom_killer_disable+0x3a0/0x3a0
[  625.120753]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  625.125688]  ? __ww_mutex_check_waiters+0x160/0x160
[  625.130717]  __alloc_pages_slowpath+0x2354/0x2e10
[  625.135600]  ? warn_alloc+0x120/0x120
[  625.139404]  ? mark_held_locks+0x130/0x130
[  625.143644]  ? find_get_entry+0xaae/0x1120
[  625.147892]  ? filemap_map_pages+0x1a20/0x1a20
[  625.152478]  ? zap_class+0x640/0x640
[  625.156202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.161753]  ? check_preemption_disabled+0x48/0x280
[  625.166775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.172311]  ? should_fail+0x22d/0xd01
[  625.176207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.181332]  ? zap_class+0x640/0x640
[  625.185084]  ? __lock_is_held+0xb5/0x140
[  625.189157]  ? mark_held_locks+0x130/0x130
[  625.193398]  ? lock_release+0xa00/0xa00
[  625.197374]  ? perf_trace_sched_process_exec+0x860/0x860
[  625.202826]  ? xa_load+0x2ba/0x460
[  625.206368]  ? lock_downgrade+0x900/0x900
[  625.210520]  ? __might_sleep+0x95/0x190
[  625.214504]  __alloc_pages_nodemask+0xa80/0xde0
[  625.219182]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  625.224208]  ? __page_cache_alloc+0x191/0x5c0
[  625.228709]  ? xa_load+0x2e1/0x460
[  625.232258]  ? xa_clear_mark+0x40/0x40
[  625.236152]  ? zap_class+0x640/0x640
[  625.239880]  ? zap_class+0x640/0x640
[  625.243594]  ? zap_class+0x640/0x640
[  625.247310]  ? __do_page_cache_readahead+0x663/0x810
[  625.252424]  ? find_held_lock+0x36/0x1c0
[  625.256492]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  625.262036]  alloc_pages_current+0x173/0x350
[  625.266454]  __page_cache_alloc+0x38c/0x5c0
[  625.270778]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.275707]  ? kasan_check_read+0x11/0x20
[  625.279858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.285139]  ? generic_perform_write+0x6a0/0x6a0
[  625.289900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.295439]  ? check_preemption_disabled+0x48/0x280
[  625.300466]  filemap_fault+0x1595/0x25f0
[  625.304546]  ? __lock_page_or_retry+0xa00/0xa00
[  625.309225]  ? mark_held_locks+0x130/0x130
[  625.313482]  ? filemap_map_pages+0xd6b/0x1a20
[  625.317982]  ? lock_downgrade+0x900/0x900
[  625.322131]  ? check_preemption_disabled+0x48/0x280
[  625.327150]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.332076]  ? kasan_check_read+0x11/0x20
[  625.336230]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.341511]  ? rcu_softirq_qs+0x20/0x20
[  625.345499]  ? filemap_map_pages+0xd92/0x1a20
[  625.350002]  ? print_usage_bug+0xc0/0xc0
[  625.354073]  ? find_get_entries_tag+0x1400/0x1400
[  625.358915]  ? __kasan_slab_free+0x102/0x150
[  625.363323]  ? kasan_slab_free+0xe/0x10
[  625.367299]  ? kmem_cache_free+0x83/0x290
[  625.371449]  ? __sigqueue_free.part.29+0x74/0x90
[  625.376235]  ? lock_acquire+0x1ed/0x520
[  625.380209]  ? ext4_filemap_fault+0x7a/0xad
[  625.384549]  ? lock_release+0xa00/0xa00
[  625.388521]  ? perf_trace_sched_process_exec+0x860/0x860
[  625.393975]  ? print_usage_bug+0xc0/0xc0
[  625.398041]  ? print_usage_bug+0xc0/0xc0
[  625.402118]  ? down_read+0x8d/0x120
[  625.405746]  ? ext4_filemap_fault+0x7a/0xad
[  625.410069]  ? __down_interruptible+0x700/0x700
[  625.414755]  ext4_filemap_fault+0x82/0xad
[  625.418907]  __do_fault+0x100/0x6b0
[  625.422539]  ? pmd_devmap_trans_unstable+0x220/0x220
[  625.427646]  ? mark_held_locks+0x130/0x130
[  625.431884]  ? mark_held_locks+0x130/0x130
[  625.436120]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  625.441662]  ? rcu_pm_notify+0xc0/0xc0
[  625.445557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.451101]  __handle_mm_fault+0x3ea6/0x5be0
[  625.455519]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  625.460365]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.464866]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  625.469452]  ? trace_hardirqs_on+0xbd/0x310
[  625.473773]  ? kasan_check_read+0x11/0x20
[  625.477924]  ? __set_current_blocked+0xdf/0x120
[  625.482595]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.487715]  ? zap_class+0x640/0x640
[  625.491438]  ? zap_class+0x640/0x640
[  625.495160]  ? find_held_lock+0x36/0x1c0
[  625.499238]  ? handle_mm_fault+0x42a/0xc70
[  625.503476]  ? lock_downgrade+0x900/0x900
[  625.507627]  ? check_preemption_disabled+0x48/0x280
[  625.512649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  625.517578]  ? kasan_check_read+0x11/0x20
[  625.521731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.527007]  ? rcu_softirq_qs+0x20/0x20
[  625.530984]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.536096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.541638]  ? check_preemption_disabled+0x48/0x280
[  625.546662]  handle_mm_fault+0x54f/0xc70
[  625.550732]  ? __handle_mm_fault+0x5be0/0x5be0
[  625.555322]  ? find_vma+0x34/0x190
[  625.558876]  __do_page_fault+0x5e8/0xe60
[  625.562940]  ? exit_to_usermode_loop+0x1f4/0x380
[  625.567712]  do_page_fault+0xf2/0x7e0
[  625.571519]  ? vmalloc_sync_all+0x30/0x30
[  625.575667]  ? error_entry+0x70/0xd0
[  625.579384]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.584404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  625.589336]  ? syscall_return_slowpath+0x5e0/0x5e0
[  625.594268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.599115]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.604130]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  625.609585]  ? prepare_exit_to_usermode+0x291/0x3b0
[  625.614601]  ? page_fault+0x8/0x30
[  625.618146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.622993]  ? page_fault+0x8/0x30
[  625.626532]  page_fault+0x1e/0x30
[  625.629986] RIP: 0033:0x45db60
[  625.633190] Code: Bad RIP value.
[  625.636562] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  625.641923] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  625.649188] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  625.656460] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  625.663731] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  625.670997] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  625.678308] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  625.678313] warn_alloc_show_mem: 1 callbacks suppressed
[  625.678320] Mem-Info:
[  625.685257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  625.690628] active_anon:45842 inactive_anon:131 isolated_anon:0
[  625.690628]  active_file:10 inactive_file:14 isolated_file:0
[  625.690628]  unevictable:0 dirty:0 writeback:0 unstable:0
[  625.690628]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  625.690628]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  625.690628]  free:13767 free_pcp:218 free_cma:0
[  625.693004] Call Trace:
[  625.702417] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  625.735787]  <IRQ>
[  625.738359] 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
[  625.765854]  dump_stack+0x244/0x39d
[  625.767975] lowmem_reserve[]: 0 2818 6321 6321
[  625.794085]  ? dump_stack_print_info.cold.1+0x20/0x20
[  625.797685] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  625.802270]  warn_alloc.cold.116+0xb7/0x1bd
[  625.807427] lowmem_reserve[]: 0 0 3503 3503
[  625.834751]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  625.839046] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  625.843359]  ? lock_downgrade+0x900/0x900
[  625.848232] lowmem_reserve[]: 0 0 0 0
[  625.877128]  ? trace_hardirqs_off+0xb8/0x310
[  625.881250] 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
[  625.885045]  ? trace_hardirqs_off+0xb8/0x310
[  625.889428] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  625.902951]  __alloc_pages_slowpath+0x26e8/0x2e10
[  625.907329] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  625.922612]  ? warn_alloc+0x120/0x120
[  625.927410] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  625.942235]  ? print_usage_bug+0xc0/0xc0
[  625.946009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  625.954835]  ? warn_alloc+0x120/0x120
[  625.958872] 162 total pagecache pages
[  625.967449]  ? warn_alloc+0x120/0x120
[  625.971247] 0 pages in swap cache
[  625.975036]  ? print_usage_bug+0xc0/0xc0
[  625.978814] Swap cache stats: add 0, delete 0, find 0/0
[  625.982260]  ? kvm_clock_read+0x18/0x30
[  625.986297] Free swap  = 0kB
[  625.991651]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  625.995597] Total swap = 0kB
[  625.998612]  ? print_usage_bug+0xc0/0xc0
[  626.003602] 1965979 pages RAM
[  626.006612]  ? __lock_acquire+0x62f/0x4c20
[  626.010645] 0 pages HighMem/MovableOnly
[  626.013749]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.017958] 342855 pages reserved
[  626.021924]  ? should_fail+0x22d/0xd01
[  626.027430] 0 pages cma reserved
[  626.030878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.034806] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  626.038114]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.038130]  ? __lock_acquire+0x62f/0x4c20
[  626.038148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.043462] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  626.049889]  ? __lock_acquire+0x62f/0x4c20
[  626.054970] syz-fuzzer cpuset=/ mems_allowed=0
[  626.059201]  ? should_fail+0x22d/0xd01
[  626.087150]  ? rcu_irq_exit+0x1a2/0x390
[  626.091141]  ? mark_held_locks+0x130/0x130
[  626.095380]  ? mark_held_locks+0x130/0x130
[  626.099622]  ? mark_held_locks+0xc7/0x130
[  626.103767]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  626.108784]  ? zap_class+0x640/0x640
[  626.112497]  ? print_usage_bug+0xc0/0xc0
[  626.116563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.122105]  ? check_preemption_disabled+0x48/0x280
[  626.127130]  ? __lock_is_held+0xb5/0x140
[  626.131197]  __alloc_pages_nodemask+0xa80/0xde0
[  626.135880]  ? zap_class+0x640/0x640
[  626.139603]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  626.144629]  ? find_held_lock+0x36/0x1c0
[  626.148699]  ? ____cache_alloc_node+0x1c7/0x1e0
[  626.153368]  ? lock_downgrade+0x900/0x900
[  626.157526]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.163067]  cache_grow_begin+0xa5/0x8c0
[  626.167128]  ? do_raw_spin_unlock+0xa7/0x330
[  626.171545]  fallback_alloc+0x204/0x2e0
[  626.175532]  ____cache_alloc_node+0x1c7/0x1e0
[  626.180034]  kmem_cache_alloc_node+0xe3/0x730
[  626.184528]  ? ipv6_get_ifaddr+0x42e/0x620
[  626.188772]  __alloc_skb+0x119/0x770
[  626.192489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.197768]  ? netdev_alloc_frag+0x1f0/0x1f0
[  626.202178]  ? lock_downgrade+0x900/0x900
[  626.206338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.211875]  ? refcount_sub_and_test_checked+0x203/0x310
[  626.217333]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  626.222783]  ? addrconf_rs_timer+0x690/0x690
[  626.227202]  ndisc_alloc_skb+0x144/0x340
[  626.231287]  ndisc_send_rs+0x331/0x6e0
[  626.235182]  addrconf_rs_timer+0x314/0x690
[  626.239432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.243678]  call_timer_fn+0x272/0x920
[  626.247572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.251811]  ? process_timeout+0x40/0x40
[  626.255879]  ? __run_timers+0x7da/0xc70
[  626.259862]  ? _raw_spin_unlock_irq+0x27/0x80
[  626.264362]  ? _raw_spin_unlock_irq+0x27/0x80
[  626.268861]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.273100]  ? lockdep_hardirqs_on+0x296/0x5b0
[  626.277689]  ? trace_hardirqs_on+0xbd/0x310
[  626.282013]  ? kasan_check_read+0x11/0x20
[  626.286160]  ? __run_timers+0x7da/0xc70
[  626.290136]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.295253]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.299496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  626.303732]  __run_timers+0x7e5/0xc70
[  626.307546]  ? timer_fixup_init+0x70/0x70
[  626.311696]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  626.316712]  ? zap_class+0x640/0x640
[  626.320429]  ? enqueue_hrtimer+0x1a5/0x560
[  626.324671]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  626.329868]  ? find_held_lock+0x36/0x1c0
[  626.333938]  ? zap_class+0x640/0x640
[  626.337659]  ? pvclock_read_flags+0x160/0x160
[  626.342155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.347692]  ? check_preemption_disabled+0x48/0x280
[  626.352720]  ? __lock_is_held+0xb5/0x140
[  626.356781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.362318]  ? check_preemption_disabled+0x48/0x280
[  626.367429]  run_timer_softirq+0x52/0xb0
[  626.371494]  ? rcu_read_lock_sched_held+0x14f/0x180
[  626.376510]  __do_softirq+0x308/0xb7e
[  626.380318]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  626.384812]  ? lock_downgrade+0x900/0x900
[  626.388966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  626.394078]  ? pvclock_read_flags+0x160/0x160
[  626.398575]  ? lapic_next_event+0x5a/0x90
[  626.402728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.408274]  ? kvm_clock_read+0x18/0x30
[  626.412262]  ? kvm_sched_clock_read+0x9/0x20
[  626.416687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.422239]  ? check_preemption_disabled+0x48/0x280
[  626.427270]  irq_exit+0x17f/0x1c0
[  626.430722]  smp_apic_timer_interrupt+0x1cb/0x760
[  626.435567]  ? smp_call_function_single_interrupt+0x159/0x650
[  626.441450]  ? smp_call_function_single_interrupt+0x650/0x650
[  626.447337]  ? interrupt_entry+0xb5/0xc0
[  626.451400]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.456413]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.461431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.466281]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.471295]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.476315]  ? task_prio+0x50/0x50
[  626.479858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.485399]  ? check_preemption_disabled+0x48/0x280
[  626.490422]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.495272]  apic_timer_interrupt+0xf/0x20
[  626.499500]  </IRQ>
[  626.501739] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  626.506675] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  626.525577] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  626.533284] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  626.540553] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  626.547821] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  626.555086] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  626.562355] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  626.569671]  skb_clone+0x1bb/0x500
[  626.573230]  ? finish_task_switch+0x2f4/0x910
[  626.577728]  ? skb_split+0x11e0/0x11e0
[  626.581619]  ? preempt_notifier_register+0x200/0x200
[  626.586721]  ? __switch_to_asm+0x34/0x70
[  626.590786]  ? __switch_to_asm+0x34/0x70
[  626.594848]  ? __switch_to_asm+0x40/0x70
[  626.598907]  ? __switch_to_asm+0x34/0x70
[  626.602968]  ? __switch_to_asm+0x40/0x70
[  626.607027]  ? __switch_to_asm+0x34/0x70
[  626.611091]  ? __switch_to_asm+0x40/0x70
[  626.615156]  ? __switch_to_asm+0x34/0x70
[  626.619231]  ? __switch_to_asm+0x34/0x70
[  626.623297]  ? __switch_to_asm+0x40/0x70
[  626.627358]  ? __switch_to_asm+0x34/0x70
[  626.631434]  bpf_clone_redirect+0xb9/0x490
[  626.635669]  ? __schedule+0x8d7/0x21d0
[  626.639564]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  626.644586]  ? __sched_text_start+0x8/0x8
[  626.648742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  626.653330]  ? retint_kernel+0x2d/0x2d
[  626.657236]  ? trace_hardirqs_on_caller+0xc0/0x310
[  626.662173]  ? find_held_lock+0x36/0x1c0
[  626.666257]  ? lock_acquire+0x1ed/0x520
[  626.670245]  ? bpf_test_run+0x3cb/0x780
[  626.674235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.679777]  ? check_preemption_disabled+0x48/0x280
[  626.684801]  ? kasan_check_read+0x11/0x20
[  626.688953]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.694245]  ? rcu_softirq_qs+0x20/0x20
[  626.698235]  ? preempt_schedule+0x4d/0x60
[  626.702390]  ? ___preempt_schedule+0x16/0x18
[  626.706810]  ? bpf_test_run+0x25d/0x780
[  626.710817]  ? netlink_diag_dump+0x2a0/0x2a0
[  626.715247]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.720787]  ? bpf_test_init.isra.10+0x70/0x100
[  626.725462]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  626.730245]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  626.735090]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  626.740628]  ? fput+0x130/0x1a0
[  626.743912]  ? __bpf_prog_get+0x9b/0x290
[  626.747985]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  626.752825]  ? bpf_prog_test_run+0x130/0x1a0
[  626.757253]  ? __x64_sys_bpf+0x3d8/0x520
[  626.761319]  ? bpf_prog_get+0x20/0x20
[  626.765143]  ? do_syscall_64+0x1b9/0x820
[  626.769205]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  626.774584]  ? syscall_return_slowpath+0x5e0/0x5e0
[  626.779536]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.784557]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  626.789578]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  626.796253]  ? __switch_to_asm+0x40/0x70
[  626.800318]  ? __switch_to_asm+0x34/0x70
[  626.804383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.809246]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  626.814632] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  626.814704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  626.821212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  626.821226] Call Trace:
[  626.821233]  <IRQ>
[  626.821251]  dump_stack+0x244/0x39d
[  626.821270]  ? dump_stack_print_info.cold.1+0x20/0x20
[  626.821297]  warn_alloc.cold.116+0xb7/0x1bd
[  626.827845] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  626.837112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  626.839670] syz-executor3 cpuset=syz3 mems_allowed=0
[  626.841818]  ? lock_downgrade+0x900/0x900
[  626.879929]  ? trace_hardirqs_off+0xb8/0x310
[  626.884347]  ? trace_hardirqs_off+0xb8/0x310
[  626.888768]  __alloc_pages_slowpath+0x26e8/0x2e10
[  626.893642]  ? warn_alloc+0x120/0x120
[  626.897449]  ? print_usage_bug+0xc0/0xc0
[  626.901523]  ? warn_alloc+0x120/0x120
[  626.905334]  ? warn_alloc+0x120/0x120
[  626.909138]  ? print_usage_bug+0xc0/0xc0
[  626.913208]  ? print_usage_bug+0xc0/0xc0
[  626.917297]  ? __lock_acquire+0x62f/0x4c20
[  626.921538]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.927080]  ? should_fail+0x22d/0xd01
[  626.930975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.936081]  ? __lock_acquire+0x62f/0x4c20
[  626.940322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.945423]  ? __lock_acquire+0x62f/0x4c20
[  626.949654]  ? should_fail+0x22d/0xd01
[  626.953544]  ? find_held_lock+0x36/0x1c0
[  626.957614]  ? mark_held_locks+0x130/0x130
[  626.961854]  ? mark_held_locks+0x130/0x130
[  626.966090]  ? zap_class+0x640/0x640
[  626.969804]  ? zap_class+0x640/0x640
[  626.973521]  ? print_usage_bug+0xc0/0xc0
[  626.977580]  ? do_raw_spin_unlock+0xa7/0x330
[  626.981992]  ? zap_class+0x640/0x640
[  626.985705]  ? print_usage_bug+0xc0/0xc0
[  626.989772]  ? wq_watchdog_touch+0x9c/0xfe
[  626.994014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.999585]  ? check_preemption_disabled+0x48/0x280
[  627.004613]  ? __lock_is_held+0xb5/0x140
[  627.008682]  __alloc_pages_nodemask+0xa80/0xde0
[  627.013351]  ? zap_class+0x640/0x640
[  627.017076]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  627.022104]  ? find_held_lock+0x36/0x1c0
[  627.026181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  627.030853]  ? lock_downgrade+0x900/0x900
[  627.035009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.040557]  cache_grow_begin+0xa5/0x8c0
[  627.044616]  ? do_raw_spin_unlock+0xa7/0x330
[  627.049032]  fallback_alloc+0x204/0x2e0
[  627.053016]  ____cache_alloc_node+0x1c7/0x1e0
[  627.057521]  kmem_cache_alloc_node+0xe3/0x730
[  627.062020]  ? ipv6_get_ifaddr+0x42e/0x620
[  627.066267]  __alloc_skb+0x119/0x770
[  627.069981]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.075267]  ? netdev_alloc_frag+0x1f0/0x1f0
[  627.079676]  ? lock_downgrade+0x900/0x900
[  627.083835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.089373]  ? refcount_sub_and_test_checked+0x203/0x310
[  627.094834]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  627.100290]  ? addrconf_rs_timer+0x690/0x690
[  627.104710]  ndisc_alloc_skb+0x144/0x340
[  627.108783]  ndisc_send_rs+0x331/0x6e0
[  627.112678]  addrconf_rs_timer+0x314/0x690
[  627.116919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.121165]  call_timer_fn+0x272/0x920
[  627.125052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.129285]  ? process_timeout+0x40/0x40
[  627.133356]  ? mark_held_locks+0xc7/0x130
[  627.137512]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.142007]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.146498]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.150743]  ? lockdep_hardirqs_on+0x296/0x5b0
[  627.155328]  ? trace_hardirqs_on+0xbd/0x310
[  627.159648]  ? kasan_check_read+0x11/0x20
[  627.163795]  ? __run_timers+0x7da/0xc70
[  627.167776]  ? trace_hardirqs_off_caller+0x310/0x310
[  627.172884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.177124]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.181357]  __run_timers+0x7e5/0xc70
[  627.185171]  ? timer_fixup_init+0x70/0x70
[  627.189326]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  627.194346]  ? zap_class+0x640/0x640
[  627.198073]  ? print_usage_bug+0xc0/0xc0
[  627.202135]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  627.207335]  ? find_held_lock+0x36/0x1c0
[  627.211403]  ? zap_class+0x640/0x640
[  627.215126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.220668]  ? check_preemption_disabled+0x48/0x280
[  627.225697]  ? __lock_is_held+0xb5/0x140
[  627.229766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.235302]  ? check_preemption_disabled+0x48/0x280
[  627.240328]  run_timer_softirq+0x52/0xb0
[  627.244393]  ? rcu_read_lock_sched_held+0x14f/0x180
[  627.249408]  __do_softirq+0x308/0xb7e
[  627.253225]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  627.257719]  ? lock_downgrade+0x900/0x900
[  627.261881]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  627.266995]  ? pvclock_read_flags+0x160/0x160
[  627.271496]  ? lapic_next_event+0x5a/0x90
[  627.275650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.281192]  ? kvm_clock_read+0x18/0x30
[  627.285175]  ? kvm_sched_clock_read+0x9/0x20
[  627.289585]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.295123]  ? check_preemption_disabled+0x48/0x280
[  627.300153]  irq_exit+0x17f/0x1c0
[  627.303613]  smp_apic_timer_interrupt+0x1cb/0x760
[  627.308453]  ? smp_reschedule_interrupt+0x109/0x650
[  627.313468]  ? smp_call_function_single_interrupt+0x650/0x650
[  627.319355]  ? interrupt_entry+0xb5/0xc0
[  627.323417]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.328433]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.333453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.338298]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.343311]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.348326]  ? task_prio+0x50/0x50
[  627.351870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.357412]  ? check_preemption_disabled+0x48/0x280
[  627.362438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.367289]  apic_timer_interrupt+0xf/0x20
[  627.371514]  </IRQ>
[  627.373758] RIP: 0010:dump_stack+0x358/0x39d
[  627.378166] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  627.397066] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  627.404774] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  627.412040] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  627.419304] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  627.426570] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  627.433839] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  627.441127]  ? dump_stack+0x34f/0x39d
[  627.444945]  ? dump_stack_print_info.cold.1+0x20/0x20
[  627.450138]  ? mark_held_locks+0x130/0x130
[  627.454372]  ? mark_held_locks+0x130/0x130
[  627.458611]  dump_header+0x27b/0xf72
[  627.462340]  ? pagefault_out_of_memory+0x197/0x197
[  627.467280]  ? __lock_acquire+0x62f/0x4c20
[  627.471521]  ? percpu_ref_get_many+0x240/0x240
[  627.476105]  ? print_usage_bug+0xc0/0xc0
[  627.480172]  ? zap_class+0x640/0x640
[  627.483892]  ? print_usage_bug+0xc0/0xc0
[  627.487954]  ? print_usage_bug+0xc0/0xc0
[  627.492022]  ? zap_class+0x640/0x640
[  627.495747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.501292]  ? find_held_lock+0x36/0x1c0
[  627.505363]  ? mark_held_locks+0xc7/0x130
[  627.509541]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  627.514648]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  627.519758]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  627.524345]  ? trace_hardirqs_on+0xbd/0x310
[  627.528669]  ? kasan_check_read+0x11/0x20
[  627.532814]  ? ___ratelimit+0x3b4/0x672
[  627.536791]  ? trace_hardirqs_off_caller+0x310/0x310
[  627.541899]  ? trace_hardirqs_on+0x310/0x310
[  627.546311]  ? lock_downgrade+0x900/0x900
[  627.550477]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  627.555584]  ? ___ratelimit+0x3b9/0x672
[  627.559562]  ? idr_get_free+0xf70/0xf70
[  627.563537]  ? find_held_lock+0x36/0x1c0
[  627.567610]  oom_kill_process.cold.27+0x10/0x903
[  627.572367]  ? zap_class+0x640/0x640
[  627.576082]  ? check_preemption_disabled+0x48/0x280
[  627.581104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  627.586032]  ? kasan_check_read+0x11/0x20
[  627.590180]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.595461]  ? oom_evaluate_task+0x540/0x540
[  627.599872]  ? find_held_lock+0x36/0x1c0
[  627.603941]  ? out_of_memory+0x974/0x1430
[  627.608092]  ? lock_downgrade+0x900/0x900
[  627.612250]  ? check_preemption_disabled+0x48/0x280
[  627.617277]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  627.622207]  ? kasan_check_read+0x11/0x20
[  627.626365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.631652]  ? rcu_softirq_qs+0x20/0x20
[  627.635651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.641189]  ? oom_evaluate_task+0x302/0x540
[  627.645615]  out_of_memory+0xa84/0x1430
[  627.649600]  ? oom_killer_disable+0x3a0/0x3a0
[  627.654101]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  627.659035]  ? __ww_mutex_check_waiters+0x160/0x160
[  627.664063]  __alloc_pages_slowpath+0x2354/0x2e10
[  627.668936]  ? warn_alloc+0x120/0x120
[  627.672744]  ? mark_held_locks+0x130/0x130
[  627.676986]  ? find_get_entry+0xaae/0x1120
[  627.681239]  ? filemap_map_pages+0x1a20/0x1a20
[  627.685832]  ? zap_class+0x640/0x640
[  627.689556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.695099]  ? check_preemption_disabled+0x48/0x280
[  627.700120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.705655]  ? should_fail+0x22d/0xd01
[  627.709548]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.714659]  ? zap_class+0x640/0x640
[  627.718406]  ? __lock_is_held+0xb5/0x140
[  627.722713]  ? mark_held_locks+0x130/0x130
[  627.726959]  ? lock_release+0xa00/0xa00
[  627.730936]  ? perf_trace_sched_process_exec+0x860/0x860
[  627.736387]  ? xa_load+0x2ba/0x460
[  627.739933]  ? lock_downgrade+0x900/0x900
[  627.744092]  ? __might_sleep+0x95/0x190
[  627.748078]  __alloc_pages_nodemask+0xa80/0xde0
[  627.752764]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  627.757787]  ? __page_cache_alloc+0x191/0x5c0
[  627.762286]  ? xa_load+0x2e1/0x460
[  627.765827]  ? xa_clear_mark+0x40/0x40
[  627.769721]  ? zap_class+0x640/0x640
[  627.773540]  ? zap_class+0x640/0x640
[  627.777261]  ? zap_class+0x640/0x640
[  627.780975]  ? __do_page_cache_readahead+0x663/0x810
[  627.786082]  ? find_held_lock+0x36/0x1c0
[  627.790154]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  627.795703]  alloc_pages_current+0x173/0x350
[  627.800125]  __page_cache_alloc+0x38c/0x5c0
[  627.804447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  627.809375]  ? kasan_check_read+0x11/0x20
[  627.813528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.818836]  ? generic_perform_write+0x6a0/0x6a0
[  627.823598]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.829139]  ? check_preemption_disabled+0x48/0x280
[  627.834165]  filemap_fault+0x1595/0x25f0
[  627.838248]  ? __lock_page_or_retry+0xa00/0xa00
[  627.842926]  ? mark_held_locks+0x130/0x130
[  627.847174]  ? filemap_map_pages+0xd6b/0x1a20
[  627.851781]  ? lock_downgrade+0x900/0x900
[  627.855928]  ? check_preemption_disabled+0x48/0x280
[  627.860948]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  627.865876]  ? kasan_check_read+0x11/0x20
[  627.870028]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.875306]  ? rcu_softirq_qs+0x20/0x20
[  627.879297]  ? filemap_map_pages+0xd92/0x1a20
[  627.883801]  ? print_usage_bug+0xc0/0xc0
[  627.887869]  ? find_get_entries_tag+0x1400/0x1400
[  627.892716]  ? __kasan_slab_free+0x102/0x150
[  627.897127]  ? kasan_slab_free+0xe/0x10
[  627.901098]  ? kmem_cache_free+0x83/0x290
[  627.905259]  ? __sigqueue_free.part.29+0x74/0x90
[  627.910041]  ? lock_acquire+0x1ed/0x520
[  627.914013]  ? ext4_filemap_fault+0x7a/0xad
[  627.918342]  ? lock_release+0xa00/0xa00
[  627.922324]  ? perf_trace_sched_process_exec+0x860/0x860
[  627.927782]  ? print_usage_bug+0xc0/0xc0
[  627.931848]  ? print_usage_bug+0xc0/0xc0
[  627.935923]  ? down_read+0x8d/0x120
[  627.939553]  ? ext4_filemap_fault+0x7a/0xad
[  627.943877]  ? __down_interruptible+0x700/0x700
[  627.948561]  ext4_filemap_fault+0x82/0xad
[  627.952717]  __do_fault+0x100/0x6b0
[  627.956357]  ? pmd_devmap_trans_unstable+0x220/0x220
[  627.961470]  ? mark_held_locks+0x130/0x130
[  627.965710]  ? mark_held_locks+0x130/0x130
[  627.969968]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  627.975519]  ? rcu_pm_notify+0xc0/0xc0
[  627.979418]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.984968]  __handle_mm_fault+0x3ea6/0x5be0
[  627.989392]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  627.994243]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.998747]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  628.003332]  ? trace_hardirqs_on+0xbd/0x310
[  628.007655]  ? kasan_check_read+0x11/0x20
[  628.011805]  ? __set_current_blocked+0xdf/0x120
[  628.016480]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.021602]  ? zap_class+0x640/0x640
[  628.025324]  ? zap_class+0x640/0x640
[  628.029045]  ? find_held_lock+0x36/0x1c0
[  628.033133]  ? handle_mm_fault+0x42a/0xc70
[  628.037373]  ? lock_downgrade+0x900/0x900
[  628.041523]  ? check_preemption_disabled+0x48/0x280
[  628.046548]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.051492]  ? kasan_check_read+0x11/0x20
[  628.055647]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.060924]  ? rcu_softirq_qs+0x20/0x20
[  628.064900]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.070009]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.075546]  ? check_preemption_disabled+0x48/0x280
[  628.080572]  handle_mm_fault+0x54f/0xc70
[  628.084643]  ? __handle_mm_fault+0x5be0/0x5be0
[  628.089247]  ? find_vma+0x34/0x190
[  628.092795]  __do_page_fault+0x5e8/0xe60
[  628.096860]  ? exit_to_usermode_loop+0x1f4/0x380
[  628.101630]  do_page_fault+0xf2/0x7e0
[  628.105433]  ? vmalloc_sync_all+0x30/0x30
[  628.109579]  ? error_entry+0x70/0xd0
[  628.113301]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.118317]  ? trace_hardirqs_on_caller+0xc0/0x310
[  628.123255]  ? syscall_return_slowpath+0x5e0/0x5e0
[  628.128184]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.133041]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.138061]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  628.143525]  ? prepare_exit_to_usermode+0x291/0x3b0
[  628.148546]  ? page_fault+0x8/0x30
[  628.152091]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.156937]  ? page_fault+0x8/0x30
[  628.160476]  page_fault+0x1e/0x30
[  628.163932] RIP: 0033:0x45db60
[  628.167139] Code: Bad RIP value.
[  628.170498] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  628.175861] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  628.183130] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  628.190405] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  628.197677] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  628.204944] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  628.212246] warn_alloc_show_mem: 1 callbacks suppressed
[  628.212258] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  628.212260] Mem-Info:
[  628.212290] active_anon:45842 inactive_anon:131 isolated_anon:0
[  628.212290]  active_file:10 inactive_file:14 isolated_file:0
[  628.212290]  unevictable:0 dirty:0 writeback:0 unstable:0
[  628.212290]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  628.212290]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  628.212290]  free:13767 free_pcp:218 free_cma:0
[  628.217633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  628.224564] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  628.226960] Call Trace:
[  628.259829] 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
[  628.269176]  <IRQ>
[  628.296651] lowmem_reserve[]: 0 2818 6321 6321
[  628.299257]  dump_stack+0x244/0x39d
[  628.325352] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  628.327511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  628.332056] lowmem_reserve[]: 0 0 3503 3503
[  628.335689]  warn_alloc.cold.116+0xb7/0x1bd
[  628.362983] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  628.368167]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  628.372462] lowmem_reserve[]: 0 0 0 0
[  628.376780]  ? lock_downgrade+0x900/0x900
[  628.405646] 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
[  628.410490]  ? trace_hardirqs_off+0xb8/0x310
[  628.414254] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  628.418398]  ? trace_hardirqs_off+0xb8/0x310
[  628.431895] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  628.436304]  __alloc_pages_slowpath+0x26e8/0x2e10
[  628.451538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  628.455959]  ? warn_alloc+0x120/0x120
[  628.470827] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  628.475659]  ? print_usage_bug+0xc0/0xc0
[  628.484467] 162 total pagecache pages
[  628.488266]  ? warn_alloc+0x120/0x120
[  628.496838] 0 pages in swap cache
[  628.500888]  ? warn_alloc+0x120/0x120
[  628.504664] Swap cache stats: add 0, delete 0, find 0/0
[  628.508454]  ? print_usage_bug+0xc0/0xc0
[  628.511884] Free swap  = 0kB
[  628.515676]  ? kvm_clock_read+0x18/0x30
[  628.521016] Total swap = 0kB
[  628.525070]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  628.528064] 1965979 pages RAM
[  628.532029]  ? print_usage_bug+0xc0/0xc0
[  628.535021] 0 pages HighMem/MovableOnly
[  628.540031]  ? __lock_acquire+0x62f/0x4c20
[  628.543111] 342855 pages reserved
[  628.547166]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.551115] 0 pages cma reserved
[  628.555346]  ? should_fail+0x22d/0xd01
[  628.558842] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  628.564307]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.564326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.567886] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  628.571554]  ? __lock_acquire+0x62f/0x4c20
[  628.578027] syz-fuzzer cpuset=/ mems_allowed=0
[  628.583304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.612488]  ? __lock_acquire+0x62f/0x4c20
[  628.616722]  ? should_fail+0x22d/0xd01
[  628.620608]  ? rcu_irq_exit+0x1a2/0x390
[  628.624598]  ? mark_held_locks+0x130/0x130
[  628.628844]  ? mark_held_locks+0x130/0x130
[  628.633086]  ? mark_held_locks+0xc7/0x130
[  628.637251]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  628.642279]  ? zap_class+0x640/0x640
[  628.645993]  ? print_usage_bug+0xc0/0xc0
[  628.650070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.655609]  ? check_preemption_disabled+0x48/0x280
[  628.660640]  ? __lock_is_held+0xb5/0x140
[  628.664710]  __alloc_pages_nodemask+0xa80/0xde0
[  628.669383]  ? zap_class+0x640/0x640
[  628.673106]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  628.678139]  ? find_held_lock+0x36/0x1c0
[  628.682214]  ? ____cache_alloc_node+0x1c7/0x1e0
[  628.686899]  ? lock_downgrade+0x900/0x900
[  628.691055]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.696601]  cache_grow_begin+0xa5/0x8c0
[  628.700666]  ? do_raw_spin_unlock+0xa7/0x330
[  628.705083]  fallback_alloc+0x204/0x2e0
[  628.709069]  ____cache_alloc_node+0x1c7/0x1e0
[  628.713576]  kmem_cache_alloc_node+0xe3/0x730
[  628.718076]  ? ipv6_get_ifaddr+0x42e/0x620
[  628.722324]  __alloc_skb+0x119/0x770
[  628.726055]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.731351]  ? netdev_alloc_frag+0x1f0/0x1f0
[  628.735761]  ? lock_downgrade+0x900/0x900
[  628.739923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.745462]  ? refcount_sub_and_test_checked+0x203/0x310
[  628.750914]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  628.756368]  ? addrconf_rs_timer+0x690/0x690
[  628.760789]  ndisc_alloc_skb+0x144/0x340
[  628.764857]  ndisc_send_rs+0x331/0x6e0
[  628.768749]  addrconf_rs_timer+0x314/0x690
[  628.772998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.777259]  call_timer_fn+0x272/0x920
[  628.781151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.785392]  ? process_timeout+0x40/0x40
[  628.789476]  ? __run_timers+0x7da/0xc70
[  628.793456]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.797956]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.802454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.806693]  ? lockdep_hardirqs_on+0x296/0x5b0
[  628.811281]  ? trace_hardirqs_on+0xbd/0x310
[  628.815606]  ? kasan_check_read+0x11/0x20
[  628.819749]  ? __run_timers+0x7da/0xc70
[  628.823728]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.828841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.833080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.837319]  __run_timers+0x7e5/0xc70
[  628.841130]  ? timer_fixup_init+0x70/0x70
[  628.845281]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  628.850301]  ? zap_class+0x640/0x640
[  628.854202]  ? enqueue_hrtimer+0x1a5/0x560
[  628.858454]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  628.863653]  ? find_held_lock+0x36/0x1c0
[  628.867719]  ? zap_class+0x640/0x640
[  628.871441]  ? pvclock_read_flags+0x160/0x160
[  628.875938]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.881481]  ? check_preemption_disabled+0x48/0x280
[  628.886507]  ? __lock_is_held+0xb5/0x140
[  628.890571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.896111]  ? check_preemption_disabled+0x48/0x280
[  628.901132]  run_timer_softirq+0x52/0xb0
[  628.905194]  ? rcu_read_lock_sched_held+0x14f/0x180
[  628.910233]  __do_softirq+0x308/0xb7e
[  628.914038]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  628.918532]  ? lock_downgrade+0x900/0x900
[  628.922685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  628.927797]  ? pvclock_read_flags+0x160/0x160
[  628.932296]  ? lapic_next_event+0x5a/0x90
[  628.936448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.941990]  ? kvm_clock_read+0x18/0x30
[  628.945967]  ? kvm_sched_clock_read+0x9/0x20
[  628.950383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.955924]  ? check_preemption_disabled+0x48/0x280
[  628.960948]  irq_exit+0x17f/0x1c0
[  628.964403]  smp_apic_timer_interrupt+0x1cb/0x760
[  628.969253]  ? smp_call_function_single_interrupt+0x159/0x650
[  628.975138]  ? smp_call_function_single_interrupt+0x650/0x650
[  628.981023]  ? interrupt_entry+0xb5/0xc0
[  628.985089]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.990104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.995124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.999967]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.004983]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.010001]  ? task_prio+0x50/0x50
[  629.013546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.019085]  ? check_preemption_disabled+0x48/0x280
[  629.024110]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.028960]  apic_timer_interrupt+0xf/0x20
[  629.033191]  </IRQ>
[  629.035445] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  629.040374] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  629.059271] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  629.066980] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  629.074250] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  629.081518] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  629.088785] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  629.096053] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  629.103365]  skb_clone+0x1bb/0x500
[  629.106908]  ? finish_task_switch+0x2f4/0x910
[  629.111408]  ? skb_split+0x11e0/0x11e0
[  629.115299]  ? preempt_notifier_register+0x200/0x200
[  629.120401]  ? __switch_to_asm+0x34/0x70
[  629.124466]  ? __switch_to_asm+0x34/0x70
[  629.128524]  ? __switch_to_asm+0x40/0x70
[  629.132583]  ? __switch_to_asm+0x34/0x70
[  629.136662]  ? __switch_to_asm+0x40/0x70
[  629.140744]  ? __switch_to_asm+0x34/0x70
[  629.144807]  ? __switch_to_asm+0x40/0x70
[  629.148868]  ? __switch_to_asm+0x34/0x70
[  629.152933]  ? __switch_to_asm+0x34/0x70
[  629.156993]  ? __switch_to_asm+0x40/0x70
[  629.161052]  ? __switch_to_asm+0x34/0x70
[  629.165122]  bpf_clone_redirect+0xb9/0x490
[  629.169370]  ? __schedule+0x8d7/0x21d0
[  629.173270]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  629.178290]  ? __sched_text_start+0x8/0x8
[  629.182443]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  629.187023]  ? retint_kernel+0x2d/0x2d
[  629.190912]  ? trace_hardirqs_on_caller+0xc0/0x310
[  629.195849]  ? find_held_lock+0x36/0x1c0
[  629.199919]  ? lock_acquire+0x1ed/0x520
[  629.203890]  ? bpf_test_run+0x3cb/0x780
[  629.207868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.213406]  ? check_preemption_disabled+0x48/0x280
[  629.218431]  ? kasan_check_read+0x11/0x20
[  629.222576]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.227851]  ? rcu_softirq_qs+0x20/0x20
[  629.231829]  ? preempt_schedule+0x4d/0x60
[  629.235979]  ? ___preempt_schedule+0x16/0x18
[  629.240395]  ? bpf_test_run+0x25d/0x780
[  629.244386]  ? netlink_diag_dump+0x2a0/0x2a0
[  629.248804]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.254343]  ? bpf_test_init.isra.10+0x70/0x100
[  629.259022]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  629.263789]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  629.268629]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  629.274165]  ? fput+0x130/0x1a0
[  629.277448]  ? __bpf_prog_get+0x9b/0x290
[  629.281510]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  629.286351]  ? bpf_prog_test_run+0x130/0x1a0
[  629.290766]  ? __x64_sys_bpf+0x3d8/0x520
[  629.294828]  ? bpf_prog_get+0x20/0x20
[  629.298650]  ? do_syscall_64+0x1b9/0x820
[  629.302714]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  629.308081]  ? syscall_return_slowpath+0x5e0/0x5e0
[  629.313012]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.318032]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  629.323051]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  629.329719]  ? __switch_to_asm+0x40/0x70
[  629.333783]  ? __switch_to_asm+0x34/0x70
[  629.337852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.342707]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  629.348094] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  629.348181] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  629.354674] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  629.354683] Call Trace:
[  629.361262] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  629.370505]  <IRQ>
[  629.373077] syz-executor3 cpuset=syz3 mems_allowed=0
[  629.383552]  dump_stack+0x244/0x39d
[  629.394385]  ? dump_stack_print_info.cold.1+0x20/0x20
[  629.399590]  warn_alloc.cold.116+0xb7/0x1bd
[  629.403912]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  629.408763]  ? lock_downgrade+0x900/0x900
[  629.412922]  ? trace_hardirqs_off+0xb8/0x310
[  629.417341]  ? trace_hardirqs_off+0xb8/0x310
[  629.421760]  __alloc_pages_slowpath+0x26e8/0x2e10
[  629.426636]  ? warn_alloc+0x120/0x120
[  629.430443]  ? print_usage_bug+0xc0/0xc0
[  629.434504]  ? warn_alloc+0x120/0x120
[  629.438313]  ? warn_alloc+0x120/0x120
[  629.442115]  ? print_usage_bug+0xc0/0xc0
[  629.446176]  ? kvm_clock_read+0x18/0x30
[  629.450152]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  629.455174]  ? print_usage_bug+0xc0/0xc0
[  629.459243]  ? __lock_acquire+0x62f/0x4c20
[  629.463486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.469028]  ? should_fail+0x22d/0xd01
[  629.472915]  ? __lock_acquire+0x62f/0x4c20
[  629.477154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.482260]  ? __lock_acquire+0x62f/0x4c20
[  629.486501]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.491601]  ? __lock_acquire+0x62f/0x4c20
[  629.495833]  ? should_fail+0x22d/0xd01
[  629.499737]  ? mark_held_locks+0x130/0x130
[  629.503977]  ? mark_held_locks+0x130/0x130
[  629.508210]  ? try_to_wake_up+0x11c/0x1490
[  629.512459]  ? lock_downgrade+0x900/0x900
[  629.516612]  ? zap_class+0x640/0x640
[  629.520324]  ? print_usage_bug+0xc0/0xc0
[  629.524384]  ? trace_hardirqs_off+0xb8/0x310
[  629.528794]  ? kasan_check_read+0x11/0x20
[  629.532948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.538488]  ? check_preemption_disabled+0x48/0x280
[  629.543517]  ? __lock_is_held+0xb5/0x140
[  629.547592]  __alloc_pages_nodemask+0xa80/0xde0
[  629.552285]  ? zap_class+0x640/0x640
[  629.556005]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  629.561035]  ? find_held_lock+0x36/0x1c0
[  629.565111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  629.569781]  ? lock_downgrade+0x900/0x900
[  629.573946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.579492]  cache_grow_begin+0xa5/0x8c0
[  629.583558]  ? do_raw_spin_unlock+0xa7/0x330
[  629.587976]  fallback_alloc+0x204/0x2e0
[  629.591964]  ____cache_alloc_node+0x1c7/0x1e0
[  629.596465]  kmem_cache_alloc_node+0xe3/0x730
[  629.600959]  ? ipv6_get_ifaddr+0x42e/0x620
[  629.605203]  __alloc_skb+0x119/0x770
[  629.608928]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.614208]  ? netdev_alloc_frag+0x1f0/0x1f0
[  629.618631]  ? lock_downgrade+0x900/0x900
[  629.622788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.628326]  ? refcount_sub_and_test_checked+0x203/0x310
[  629.633786]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  629.639244]  ? addrconf_rs_timer+0x690/0x690
[  629.643670]  ndisc_alloc_skb+0x144/0x340
[  629.647744]  ndisc_send_rs+0x331/0x6e0
[  629.651640]  addrconf_rs_timer+0x314/0x690
[  629.655880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.660132]  call_timer_fn+0x272/0x920
[  629.664023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.668256]  ? process_timeout+0x40/0x40
[  629.672327]  ? mark_held_locks+0xc7/0x130
[  629.676483]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.680981]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.685476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.689713]  ? lockdep_hardirqs_on+0x296/0x5b0
[  629.694303]  ? trace_hardirqs_on+0xbd/0x310
[  629.698632]  ? kasan_check_read+0x11/0x20
[  629.702778]  ? __run_timers+0x7da/0xc70
[  629.706759]  ? trace_hardirqs_off_caller+0x310/0x310
[  629.711883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.716115]  __run_timers+0x7e5/0xc70
[  629.719927]  ? timer_fixup_init+0x70/0x70
[  629.724313]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  629.729331]  ? zap_class+0x640/0x640
[  629.733054]  ? print_usage_bug+0xc0/0xc0
[  629.737121]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  629.742320]  ? find_held_lock+0x36/0x1c0
[  629.746398]  ? zap_class+0x640/0x640
[  629.750121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.755662]  ? check_preemption_disabled+0x48/0x280
[  629.760691]  ? __lock_is_held+0xb5/0x140
[  629.764764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.770307]  ? check_preemption_disabled+0x48/0x280
[  629.775329]  run_timer_softirq+0x52/0xb0
[  629.779392]  ? rcu_read_lock_sched_held+0x14f/0x180
[  629.784409]  __do_softirq+0x308/0xb7e
[  629.788215]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  629.794911]  ? lock_downgrade+0x900/0x900
[  629.799070]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  629.804184]  ? pvclock_read_flags+0x160/0x160
[  629.808689]  ? lapic_next_event+0x5a/0x90
[  629.812839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.818383]  ? kvm_clock_read+0x18/0x30
[  629.822359]  ? kvm_sched_clock_read+0x9/0x20
[  629.826768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.832307]  ? check_preemption_disabled+0x48/0x280
[  629.837338]  irq_exit+0x17f/0x1c0
[  629.840792]  smp_apic_timer_interrupt+0x1cb/0x760
[  629.845634]  ? smp_reschedule_interrupt+0x109/0x650
[  629.850649]  ? smp_call_function_single_interrupt+0x650/0x650
[  629.856539]  ? interrupt_entry+0xb5/0xc0
[  629.860607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.865626]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.870649]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.875491]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.880504]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.885517]  ? task_prio+0x50/0x50
[  629.889064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.894600]  ? check_preemption_disabled+0x48/0x280
[  629.899625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.904479]  apic_timer_interrupt+0xf/0x20
[  629.908704]  </IRQ>
[  629.910950] RIP: 0010:dump_stack+0x358/0x39d
[  629.915359] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  629.934260] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  629.941964] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  629.949239] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  629.956506] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  629.963774] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  629.971042] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  629.978332]  ? dump_stack+0x34f/0x39d
[  629.982154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  629.987349]  ? mark_held_locks+0x130/0x130
[  629.991585]  ? mark_held_locks+0x130/0x130
[  629.995831]  dump_header+0x27b/0xf72
[  629.999561]  ? pagefault_out_of_memory+0x197/0x197
[  630.004499]  ? __lock_acquire+0x62f/0x4c20
[  630.008742]  ? percpu_ref_get_many+0x240/0x240
[  630.013332]  ? print_usage_bug+0xc0/0xc0
[  630.017399]  ? zap_class+0x640/0x640
[  630.021118]  ? print_usage_bug+0xc0/0xc0
[  630.025181]  ? print_usage_bug+0xc0/0xc0
[  630.029250]  ? zap_class+0x640/0x640
[  630.032970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.038517]  ? find_held_lock+0x36/0x1c0
[  630.042588]  ? mark_held_locks+0xc7/0x130
[  630.046749]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  630.051854]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  630.056960]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  630.061544]  ? trace_hardirqs_on+0xbd/0x310
[  630.065867]  ? kasan_check_read+0x11/0x20
[  630.070012]  ? ___ratelimit+0x3b4/0x672
[  630.073993]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.079126]  ? trace_hardirqs_on+0x310/0x310
[  630.083536]  ? lock_downgrade+0x900/0x900
[  630.087694]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  630.092800]  ? ___ratelimit+0x3b9/0x672
[  630.096774]  ? idr_get_free+0xf70/0xf70
[  630.100751]  ? find_held_lock+0x36/0x1c0
[  630.104832]  oom_kill_process.cold.27+0x10/0x903
[  630.109612]  ? zap_class+0x640/0x640
[  630.113332]  ? check_preemption_disabled+0x48/0x280
[  630.118354]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.123283]  ? kasan_check_read+0x11/0x20
[  630.127440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.132721]  ? oom_evaluate_task+0x540/0x540
[  630.137139]  ? find_held_lock+0x36/0x1c0
[  630.141213]  ? out_of_memory+0x974/0x1430
[  630.145370]  ? lock_downgrade+0x900/0x900
[  630.149519]  ? check_preemption_disabled+0x48/0x280
[  630.154542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.159468]  ? kasan_check_read+0x11/0x20
[  630.163614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.168897]  ? rcu_softirq_qs+0x20/0x20
[  630.172882]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.178415]  ? oom_evaluate_task+0x302/0x540
[  630.182835]  out_of_memory+0xa84/0x1430
[  630.186822]  ? oom_killer_disable+0x3a0/0x3a0
[  630.191320]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  630.196256]  ? __ww_mutex_check_waiters+0x160/0x160
[  630.201289]  __alloc_pages_slowpath+0x2354/0x2e10
[  630.206167]  ? warn_alloc+0x120/0x120
[  630.209966]  ? mark_held_locks+0x130/0x130
[  630.214208]  ? find_get_entry+0xaae/0x1120
[  630.218468]  ? filemap_map_pages+0x1a20/0x1a20
[  630.223057]  ? zap_class+0x640/0x640
[  630.226776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.232315]  ? check_preemption_disabled+0x48/0x280
[  630.237335]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.242878]  ? should_fail+0x22d/0xd01
[  630.246775]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.251888]  ? zap_class+0x640/0x640
[  630.255633]  ? __lock_is_held+0xb5/0x140
[  630.259709]  ? mark_held_locks+0x130/0x130
[  630.263952]  ? lock_release+0xa00/0xa00
[  630.267935]  ? perf_trace_sched_process_exec+0x860/0x860
[  630.273389]  ? xa_load+0x2ba/0x460
[  630.276933]  ? lock_downgrade+0x900/0x900
[  630.281086]  ? __might_sleep+0x95/0x190
[  630.285066]  __alloc_pages_nodemask+0xa80/0xde0
[  630.289748]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  630.294772]  ? __page_cache_alloc+0x191/0x5c0
[  630.299269]  ? xa_load+0x2e1/0x460
[  630.302814]  ? xa_clear_mark+0x40/0x40
[  630.306705]  ? zap_class+0x640/0x640
[  630.310442]  ? zap_class+0x640/0x640
[  630.314158]  ? zap_class+0x640/0x640
[  630.317876]  ? __do_page_cache_readahead+0x663/0x810
[  630.322985]  ? find_held_lock+0x36/0x1c0
[  630.327054]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  630.332597]  alloc_pages_current+0x173/0x350
[  630.337014]  __page_cache_alloc+0x38c/0x5c0
[  630.341336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.346265]  ? kasan_check_read+0x11/0x20
[  630.350411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.355690]  ? generic_perform_write+0x6a0/0x6a0
[  630.360450]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.365993]  ? check_preemption_disabled+0x48/0x280
[  630.371020]  filemap_fault+0x1595/0x25f0
[  630.375096]  ? __lock_page_or_retry+0xa00/0xa00
[  630.379767]  ? mark_held_locks+0x130/0x130
[  630.384009]  ? filemap_map_pages+0xd6b/0x1a20
[  630.388506]  ? lock_downgrade+0x900/0x900
[  630.392654]  ? check_preemption_disabled+0x48/0x280
[  630.397678]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.402605]  ? kasan_check_read+0x11/0x20
[  630.406755]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.412033]  ? rcu_softirq_qs+0x20/0x20
[  630.416020]  ? filemap_map_pages+0xd92/0x1a20
[  630.420524]  ? print_usage_bug+0xc0/0xc0
[  630.424592]  ? find_get_entries_tag+0x1400/0x1400
[  630.429433]  ? __kasan_slab_free+0x102/0x150
[  630.433844]  ? kasan_slab_free+0xe/0x10
[  630.437815]  ? kmem_cache_free+0x83/0x290
[  630.441964]  ? __sigqueue_free.part.29+0x74/0x90
[  630.446745]  ? lock_acquire+0x1ed/0x520
[  630.450721]  ? ext4_filemap_fault+0x7a/0xad
[  630.455054]  ? lock_release+0xa00/0xa00
[  630.459028]  ? perf_trace_sched_process_exec+0x860/0x860
[  630.464482]  ? print_usage_bug+0xc0/0xc0
[  630.468547]  ? print_usage_bug+0xc0/0xc0
[  630.472625]  ? down_read+0x8d/0x120
[  630.476258]  ? ext4_filemap_fault+0x7a/0xad
[  630.480583]  ? __down_interruptible+0x700/0x700
[  630.485269]  ext4_filemap_fault+0x82/0xad
[  630.489422]  __do_fault+0x100/0x6b0
[  630.493068]  ? pmd_devmap_trans_unstable+0x220/0x220
[  630.498174]  ? mark_held_locks+0x130/0x130
[  630.502410]  ? mark_held_locks+0x130/0x130
[  630.506650]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  630.512189]  ? rcu_pm_notify+0xc0/0xc0
[  630.516091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.521635]  __handle_mm_fault+0x3ea6/0x5be0
[  630.526061]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  630.530908]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.535403]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  630.539987]  ? trace_hardirqs_on+0xbd/0x310
[  630.544310]  ? kasan_check_read+0x11/0x20
[  630.548455]  ? __set_current_blocked+0xdf/0x120
[  630.553125]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.558252]  ? zap_class+0x640/0x640
[  630.561965]  ? zap_class+0x640/0x640
[  630.565688]  ? find_held_lock+0x36/0x1c0
[  630.569762]  ? handle_mm_fault+0x42a/0xc70
[  630.574000]  ? lock_downgrade+0x900/0x900
[  630.578154]  ? check_preemption_disabled+0x48/0x280
[  630.583178]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  630.588109]  ? kasan_check_read+0x11/0x20
[  630.592257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.597541]  ? rcu_softirq_qs+0x20/0x20
[  630.601516]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.606621]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.612162]  ? check_preemption_disabled+0x48/0x280
[  630.617187]  handle_mm_fault+0x54f/0xc70
[  630.621259]  ? __handle_mm_fault+0x5be0/0x5be0
[  630.625851]  ? find_vma+0x34/0x190
[  630.629399]  __do_page_fault+0x5e8/0xe60
[  630.633462]  ? exit_to_usermode_loop+0x1f4/0x380
[  630.638236]  do_page_fault+0xf2/0x7e0
[  630.642041]  ? vmalloc_sync_all+0x30/0x30
[  630.646192]  ? error_entry+0x70/0xd0
[  630.649917]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.654936]  ? trace_hardirqs_on_caller+0xc0/0x310
[  630.659864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  630.664792]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.669634]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.674650]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  630.680104]  ? prepare_exit_to_usermode+0x291/0x3b0
[  630.685119]  ? page_fault+0x8/0x30
[  630.688661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.693511]  ? page_fault+0x8/0x30
[  630.697049]  page_fault+0x1e/0x30
[  630.700509] RIP: 0033:0x45db60
[  630.703714] Code: Bad RIP value.
[  630.707083] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  630.712444] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  630.719709] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  630.726979] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  630.734251] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  630.741518] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  630.748807] warn_alloc_show_mem: 1 callbacks suppressed
[  630.748819] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  630.748821] Mem-Info:
[  630.748851] active_anon:45842 inactive_anon:131 isolated_anon:0
[  630.748851]  active_file:10 inactive_file:14 isolated_file:0
[  630.748851]  unevictable:0 dirty:0 writeback:0 unstable:0
[  630.748851]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  630.748851]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  630.748851]  free:13767 free_pcp:218 free_cma:0
[  630.754192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  630.761123] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  630.763524] Call Trace:
[  630.796392] 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
[  630.805738]  <IRQ>
[  630.833215] lowmem_reserve[]: 0 2818 6321 6321
[  630.835818]  dump_stack+0x244/0x39d
[  630.862419] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  630.864570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  630.869124] lowmem_reserve[]: 0 0 3503 3503
[  630.872758]  warn_alloc.cold.116+0xb7/0x1bd
[  630.900054] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  630.905249]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  630.909543] lowmem_reserve[]: 0 0 0 0
[  630.913863]  ? lock_downgrade+0x900/0x900
[  630.942726] 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
[  630.947567]  ? trace_hardirqs_off+0xb8/0x310
[  630.951338] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  630.955479]  ? trace_hardirqs_off+0xb8/0x310
[  630.968975] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  630.973386]  __alloc_pages_slowpath+0x26e8/0x2e10
[  630.988623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  630.993042]  ? warn_alloc+0x120/0x120
[  631.007821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  631.012651]  ? print_usage_bug+0xc0/0xc0
[  631.021468] 162 total pagecache pages
[  631.025263]  ? warn_alloc+0x120/0x120
[  631.033820] 0 pages in swap cache
[  631.037865]  ? warn_alloc+0x120/0x120
[  631.041641] Swap cache stats: add 0, delete 0, find 0/0
[  631.045432]  ? print_usage_bug+0xc0/0xc0
[  631.048859] Free swap  = 0kB
[  631.052656]  ? kvm_clock_read+0x18/0x30
[  631.057993] Total swap = 0kB
[  631.062049]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  631.065044] 1965979 pages RAM
[  631.069009]  ? print_usage_bug+0xc0/0xc0
[  631.072006] 0 pages HighMem/MovableOnly
[  631.077013]  ? __lock_acquire+0x62f/0x4c20
[  631.080099] 342855 pages reserved
[  631.084158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.088101] 0 pages cma reserved
[  631.092327]  ? should_fail+0x22d/0xd01
[  631.095820] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  631.101291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.101309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.101326]  ? __lock_acquire+0x62f/0x4c20
[  631.104736] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  631.108556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.115026] syz-fuzzer cpuset=/ mems_allowed=0
[  631.120296]  ? __lock_acquire+0x62f/0x4c20
[  631.153671]  ? should_fail+0x22d/0xd01
[  631.157560]  ? rcu_irq_exit+0x1a2/0x390
[  631.161544]  ? mark_held_locks+0x130/0x130
[  631.165786]  ? mark_held_locks+0x130/0x130
[  631.170027]  ? mark_held_locks+0xc7/0x130
[  631.174177]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  631.179191]  ? zap_class+0x640/0x640
[  631.182919]  ? print_usage_bug+0xc0/0xc0
[  631.186984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.192527]  ? check_preemption_disabled+0x48/0x280
[  631.197552]  ? __lock_is_held+0xb5/0x140
[  631.201621]  __alloc_pages_nodemask+0xa80/0xde0
[  631.206295]  ? zap_class+0x640/0x640
[  631.210016]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  631.215048]  ? find_held_lock+0x36/0x1c0
[  631.219124]  ? ____cache_alloc_node+0x1c7/0x1e0
[  631.223794]  ? lock_downgrade+0x900/0x900
[  631.227951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.233497]  cache_grow_begin+0xa5/0x8c0
[  631.237559]  ? do_raw_spin_unlock+0xa7/0x330
[  631.241975]  fallback_alloc+0x204/0x2e0
[  631.245961]  ____cache_alloc_node+0x1c7/0x1e0
[  631.250460]  kmem_cache_alloc_node+0xe3/0x730
[  631.254958]  ? ipv6_get_ifaddr+0x42e/0x620
[  631.259216]  __alloc_skb+0x119/0x770
[  631.262948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.268237]  ? netdev_alloc_frag+0x1f0/0x1f0
[  631.272647]  ? lock_downgrade+0x900/0x900
[  631.276803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.282345]  ? refcount_sub_and_test_checked+0x203/0x310
[  631.287801]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  631.293259]  ? addrconf_rs_timer+0x690/0x690
[  631.297684]  ndisc_alloc_skb+0x144/0x340
[  631.301753]  ndisc_send_rs+0x331/0x6e0
[  631.305648]  addrconf_rs_timer+0x314/0x690
[  631.309890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.314140]  call_timer_fn+0x272/0x920
[  631.318028]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.322264]  ? process_timeout+0x40/0x40
[  631.326333]  ? __run_timers+0x7da/0xc70
[  631.330315]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.334814]  ? _raw_spin_unlock_irq+0x27/0x80
[  631.339310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.343549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  631.348137]  ? trace_hardirqs_on+0xbd/0x310
[  631.352459]  ? kasan_check_read+0x11/0x20
[  631.356606]  ? __run_timers+0x7da/0xc70
[  631.360581]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.365690]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.369933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  631.374171]  __run_timers+0x7e5/0xc70
[  631.377983]  ? timer_fixup_init+0x70/0x70
[  631.382134]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  631.387156]  ? zap_class+0x640/0x640
[  631.390875]  ? enqueue_hrtimer+0x1a5/0x560
[  631.395118]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  631.400317]  ? find_held_lock+0x36/0x1c0
[  631.404382]  ? zap_class+0x640/0x640
[  631.408105]  ? pvclock_read_flags+0x160/0x160
[  631.412604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.418144]  ? check_preemption_disabled+0x48/0x280
[  631.423172]  ? __lock_is_held+0xb5/0x140
[  631.427246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.432789]  ? check_preemption_disabled+0x48/0x280
[  631.437813]  run_timer_softirq+0x52/0xb0
[  631.441885]  ? rcu_read_lock_sched_held+0x14f/0x180
[  631.446903]  __do_softirq+0x308/0xb7e
[  631.450727]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  631.455236]  ? lock_downgrade+0x900/0x900
[  631.459396]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  631.464508]  ? pvclock_read_flags+0x160/0x160
[  631.469006]  ? lapic_next_event+0x5a/0x90
[  631.473161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.478711]  ? kvm_clock_read+0x18/0x30
[  631.482684]  ? kvm_sched_clock_read+0x9/0x20
[  631.487100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.492643]  ? check_preemption_disabled+0x48/0x280
[  631.497682]  irq_exit+0x17f/0x1c0
[  631.501138]  smp_apic_timer_interrupt+0x1cb/0x760
[  631.505985]  ? smp_call_function_single_interrupt+0x159/0x650
[  631.511874]  ? smp_call_function_single_interrupt+0x650/0x650
[  631.517764]  ? interrupt_entry+0xb5/0xc0
[  631.521831]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.526849]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.531870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.536719]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.541737]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.546758]  ? task_prio+0x50/0x50
[  631.550301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.555842]  ? check_preemption_disabled+0x48/0x280
[  631.560867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.565721]  apic_timer_interrupt+0xf/0x20
[  631.569951]  </IRQ>
[  631.572190] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  631.577136] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  631.596040] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  631.603754] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  631.611027] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  631.618296] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  631.625566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  631.632840] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  631.640161]  skb_clone+0x1bb/0x500
[  631.643706]  ? finish_task_switch+0x2f4/0x910
[  631.648205]  ? skb_split+0x11e0/0x11e0
[  631.652113]  ? preempt_notifier_register+0x200/0x200
[  631.657225]  ? __switch_to_asm+0x34/0x70
[  631.661296]  ? __switch_to_asm+0x34/0x70
[  631.665355]  ? __switch_to_asm+0x40/0x70
[  631.669419]  ? __switch_to_asm+0x34/0x70
[  631.673477]  ? __switch_to_asm+0x40/0x70
[  631.677538]  ? __switch_to_asm+0x34/0x70
[  631.681603]  ? __switch_to_asm+0x40/0x70
[  631.685667]  ? __switch_to_asm+0x34/0x70
[  631.689733]  ? __switch_to_asm+0x34/0x70
[  631.693795]  ? __switch_to_asm+0x40/0x70
[  631.697942]  ? __switch_to_asm+0x34/0x70
[  631.702013]  bpf_clone_redirect+0xb9/0x490
[  631.706260]  ? __schedule+0x8d7/0x21d0
[  631.710158]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  631.715177]  ? __sched_text_start+0x8/0x8
[  631.719333]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  631.724423]  ? retint_kernel+0x2d/0x2d
[  631.728313]  ? trace_hardirqs_on_caller+0xc0/0x310
[  631.733260]  ? find_held_lock+0x36/0x1c0
[  631.737333]  ? lock_acquire+0x1ed/0x520
[  631.741311]  ? bpf_test_run+0x3cb/0x780
[  631.745287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.750826]  ? check_preemption_disabled+0x48/0x280
[  631.755849]  ? kasan_check_read+0x11/0x20
[  631.759995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.765280]  ? rcu_softirq_qs+0x20/0x20
[  631.769264]  ? preempt_schedule+0x4d/0x60
[  631.773414]  ? ___preempt_schedule+0x16/0x18
[  631.777832]  ? bpf_test_run+0x25d/0x780
[  631.781817]  ? netlink_diag_dump+0x2a0/0x2a0
[  631.786240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.796900]  ? bpf_test_init.isra.10+0x70/0x100
[  631.801587]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  631.806352]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  631.811192]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  631.816738]  ? fput+0x130/0x1a0
[  631.820021]  ? __bpf_prog_get+0x9b/0x290
[  631.824084]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  631.829195]  ? bpf_prog_test_run+0x130/0x1a0
[  631.833619]  ? __x64_sys_bpf+0x3d8/0x520
[  631.837681]  ? bpf_prog_get+0x20/0x20
[  631.841502]  ? do_syscall_64+0x1b9/0x820
[  631.845569]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  631.850937]  ? syscall_return_slowpath+0x5e0/0x5e0
[  631.855873]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.860891]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  631.865910]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  631.872575]  ? __switch_to_asm+0x40/0x70
[  631.876637]  ? __switch_to_asm+0x34/0x70
[  631.880702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.885558]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  631.890939] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  631.891010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  631.897520] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  631.897525] Call Trace:
[  631.897531]  <IRQ>
[  631.897549]  dump_stack+0x244/0x39d
[  631.897570]  ? dump_stack_print_info.cold.1+0x20/0x20
[  631.904098] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  631.913401]  warn_alloc.cold.116+0xb7/0x1bd
[  631.915954] syz-executor3 cpuset=syz3 mems_allowed=0
[  631.918099]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  631.951579]  ? lock_downgrade+0x900/0x900
[  631.955744]  ? trace_hardirqs_off+0xb8/0x310
[  631.960163]  ? trace_hardirqs_off+0xb8/0x310
[  631.964583]  __alloc_pages_slowpath+0x26e8/0x2e10
[  631.969458]  ? warn_alloc+0x120/0x120
[  631.973268]  ? print_usage_bug+0xc0/0xc0
[  631.977333]  ? warn_alloc+0x120/0x120
[  631.981140]  ? warn_alloc+0x120/0x120
[  631.984951]  ? print_usage_bug+0xc0/0xc0
[  631.989021]  ? print_usage_bug+0xc0/0xc0
[  631.993085]  ? __lock_acquire+0x62f/0x4c20
[  631.997326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.002864]  ? should_fail+0x22d/0xd01
[  632.006761]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.011864]  ? __lock_acquire+0x62f/0x4c20
[  632.016104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.021207]  ? __lock_acquire+0x62f/0x4c20
[  632.025450]  ? should_fail+0x22d/0xd01
[  632.029340]  ? find_held_lock+0x36/0x1c0
[  632.033409]  ? mark_held_locks+0x130/0x130
[  632.037651]  ? mark_held_locks+0x130/0x130
[  632.041886]  ? zap_class+0x640/0x640
[  632.045599]  ? zap_class+0x640/0x640
[  632.049318]  ? print_usage_bug+0xc0/0xc0
[  632.053383]  ? do_raw_spin_unlock+0xa7/0x330
[  632.057792]  ? zap_class+0x640/0x640
[  632.061510]  ? print_usage_bug+0xc0/0xc0
[  632.065573]  ? wq_watchdog_touch+0x9c/0xfe
[  632.069811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.075351]  ? check_preemption_disabled+0x48/0x280
[  632.080381]  ? __lock_is_held+0xb5/0x140
[  632.084454]  __alloc_pages_nodemask+0xa80/0xde0
[  632.089124]  ? zap_class+0x640/0x640
[  632.092846]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  632.097874]  ? find_held_lock+0x36/0x1c0
[  632.101945]  ? ____cache_alloc_node+0x1c7/0x1e0
[  632.106617]  ? lock_downgrade+0x900/0x900
[  632.110777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.116323]  cache_grow_begin+0xa5/0x8c0
[  632.120387]  ? do_raw_spin_unlock+0xa7/0x330
[  632.124803]  fallback_alloc+0x204/0x2e0
[  632.128787]  ____cache_alloc_node+0x1c7/0x1e0
[  632.133294]  kmem_cache_alloc_node+0xe3/0x730
[  632.137790]  ? ipv6_get_ifaddr+0x42e/0x620
[  632.142038]  __alloc_skb+0x119/0x770
[  632.145757]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.151041]  ? netdev_alloc_frag+0x1f0/0x1f0
[  632.155448]  ? lock_downgrade+0x900/0x900
[  632.159609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.165151]  ? refcount_sub_and_test_checked+0x203/0x310
[  632.170605]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  632.176055]  ? addrconf_rs_timer+0x690/0x690
[  632.180474]  ndisc_alloc_skb+0x144/0x340
[  632.184539]  ndisc_send_rs+0x331/0x6e0
[  632.188432]  addrconf_rs_timer+0x314/0x690
[  632.192674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.196922]  call_timer_fn+0x272/0x920
[  632.200805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.205040]  ? process_timeout+0x40/0x40
[  632.209109]  ? mark_held_locks+0xc7/0x130
[  632.213269]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.217764]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.222262]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.226500]  ? lockdep_hardirqs_on+0x296/0x5b0
[  632.231090]  ? trace_hardirqs_on+0xbd/0x310
[  632.235410]  ? kasan_check_read+0x11/0x20
[  632.239555]  ? __run_timers+0x7da/0xc70
[  632.243528]  ? trace_hardirqs_off_caller+0x310/0x310
[  632.248633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.252873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.257105]  __run_timers+0x7e5/0xc70
[  632.260920]  ? timer_fixup_init+0x70/0x70
[  632.265071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  632.270087]  ? zap_class+0x640/0x640
[  632.273807]  ? print_usage_bug+0xc0/0xc0
[  632.277871]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  632.283092]  ? find_held_lock+0x36/0x1c0
[  632.287159]  ? zap_class+0x640/0x640
[  632.290883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.296424]  ? check_preemption_disabled+0x48/0x280
[  632.301455]  ? __lock_is_held+0xb5/0x140
[  632.305518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.311054]  ? check_preemption_disabled+0x48/0x280
[  632.316074]  run_timer_softirq+0x52/0xb0
[  632.320136]  ? rcu_read_lock_sched_held+0x14f/0x180
[  632.325153]  __do_softirq+0x308/0xb7e
[  632.328956]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  632.333453]  ? lock_downgrade+0x900/0x900
[  632.337606]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  632.342721]  ? pvclock_read_flags+0x160/0x160
[  632.347237]  ? lapic_next_event+0x5a/0x90
[  632.351394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.356936]  ? kvm_clock_read+0x18/0x30
[  632.360908]  ? kvm_sched_clock_read+0x9/0x20
[  632.365318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.370857]  ? check_preemption_disabled+0x48/0x280
[  632.375898]  irq_exit+0x17f/0x1c0
[  632.379355]  smp_apic_timer_interrupt+0x1cb/0x760
[  632.384195]  ? smp_reschedule_interrupt+0x109/0x650
[  632.389230]  ? smp_call_function_single_interrupt+0x650/0x650
[  632.395116]  ? interrupt_entry+0xb5/0xc0
[  632.399180]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.404194]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.409230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.414073]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.419088]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.424104]  ? task_prio+0x50/0x50
[  632.427646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.433198]  ? check_preemption_disabled+0x48/0x280
[  632.438235]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.443086]  apic_timer_interrupt+0xf/0x20
[  632.447315]  </IRQ>
[  632.449557] RIP: 0010:dump_stack+0x358/0x39d
[  632.453967] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  632.472864] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  632.480571] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  632.487840] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  632.495104] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  632.502378] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  632.509647] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  632.516931]  ? dump_stack+0x34f/0x39d
[  632.520754]  ? dump_stack_print_info.cold.1+0x20/0x20
[  632.525950]  ? mark_held_locks+0x130/0x130
[  632.530187]  ? mark_held_locks+0x130/0x130
[  632.534431]  dump_header+0x27b/0xf72
[  632.538161]  ? pagefault_out_of_memory+0x197/0x197
[  632.543101]  ? __lock_acquire+0x62f/0x4c20
[  632.547337]  ? percpu_ref_get_many+0x240/0x240
[  632.551928]  ? print_usage_bug+0xc0/0xc0
[  632.555996]  ? zap_class+0x640/0x640
[  632.559711]  ? print_usage_bug+0xc0/0xc0
[  632.563774]  ? print_usage_bug+0xc0/0xc0
[  632.567841]  ? zap_class+0x640/0x640
[  632.571558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.577103]  ? find_held_lock+0x36/0x1c0
[  632.581204]  ? mark_held_locks+0xc7/0x130
[  632.585369]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  632.590479]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  632.595587]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  632.600173]  ? trace_hardirqs_on+0xbd/0x310
[  632.604498]  ? kasan_check_read+0x11/0x20
[  632.608648]  ? ___ratelimit+0x3b4/0x672
[  632.612624]  ? trace_hardirqs_off_caller+0x310/0x310
[  632.617735]  ? trace_hardirqs_on+0x310/0x310
[  632.622146]  ? lock_downgrade+0x900/0x900
[  632.626302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  632.631408]  ? ___ratelimit+0x3b9/0x672
[  632.635389]  ? idr_get_free+0xf70/0xf70
[  632.639363]  ? find_held_lock+0x36/0x1c0
[  632.643435]  oom_kill_process.cold.27+0x10/0x903
[  632.648192]  ? zap_class+0x640/0x640
[  632.651936]  ? check_preemption_disabled+0x48/0x280
[  632.656958]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  632.661891]  ? kasan_check_read+0x11/0x20
[  632.666038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.671319]  ? oom_evaluate_task+0x540/0x540
[  632.675738]  ? find_held_lock+0x36/0x1c0
[  632.679808]  ? out_of_memory+0x974/0x1430
[  632.683961]  ? lock_downgrade+0x900/0x900
[  632.688112]  ? check_preemption_disabled+0x48/0x280
[  632.693187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  632.698124]  ? kasan_check_read+0x11/0x20
[  632.702275]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.707549]  ? rcu_softirq_qs+0x20/0x20
[  632.711533]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.717067]  ? oom_evaluate_task+0x302/0x540
[  632.721479]  out_of_memory+0xa84/0x1430
[  632.725462]  ? oom_killer_disable+0x3a0/0x3a0
[  632.729962]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  632.734894]  ? __ww_mutex_check_waiters+0x160/0x160
[  632.739929]  __alloc_pages_slowpath+0x2354/0x2e10
[  632.744804]  ? warn_alloc+0x120/0x120
[  632.748606]  ? mark_held_locks+0x130/0x130
[  632.752850]  ? find_get_entry+0xaae/0x1120
[  632.757097]  ? filemap_map_pages+0x1a20/0x1a20
[  632.761691]  ? zap_class+0x640/0x640
[  632.765417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.770961]  ? check_preemption_disabled+0x48/0x280
[  632.775976]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.781516]  ? should_fail+0x22d/0xd01
[  632.785408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.790513]  ? zap_class+0x640/0x640
[  632.794262]  ? __lock_is_held+0xb5/0x140
[  632.798333]  ? mark_held_locks+0x130/0x130
[  632.802574]  ? lock_release+0xa00/0xa00
[  632.806553]  ? perf_trace_sched_process_exec+0x860/0x860
[  632.812002]  ? xa_load+0x2ba/0x460
[  632.815546]  ? lock_downgrade+0x900/0x900
[  632.819699]  ? __might_sleep+0x95/0x190
[  632.823685]  __alloc_pages_nodemask+0xa80/0xde0
[  632.828364]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  632.833381]  ? __page_cache_alloc+0x191/0x5c0
[  632.837877]  ? xa_load+0x2e1/0x460
[  632.841418]  ? xa_clear_mark+0x40/0x40
[  632.845311]  ? zap_class+0x640/0x640
[  632.849034]  ? zap_class+0x640/0x640
[  632.853243]  ? zap_class+0x640/0x640
[  632.856964]  ? __do_page_cache_readahead+0x663/0x810
[  632.862074]  ? find_held_lock+0x36/0x1c0
[  632.866141]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  632.871686]  alloc_pages_current+0x173/0x350
[  632.876102]  __page_cache_alloc+0x38c/0x5c0
[  632.880421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  632.885354]  ? kasan_check_read+0x11/0x20
[  632.889501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.894779]  ? generic_perform_write+0x6a0/0x6a0
[  632.899537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.905106]  ? check_preemption_disabled+0x48/0x280
[  632.910133]  filemap_fault+0x1595/0x25f0
[  632.914211]  ? __lock_page_or_retry+0xa00/0xa00
[  632.918895]  ? mark_held_locks+0x130/0x130
[  632.923140]  ? filemap_map_pages+0xd6b/0x1a20
[  632.927636]  ? lock_downgrade+0x900/0x900
[  632.931782]  ? check_preemption_disabled+0x48/0x280
[  632.936806]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  632.941745]  ? kasan_check_read+0x11/0x20
[  632.945899]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.951179]  ? rcu_softirq_qs+0x20/0x20
[  632.955169]  ? filemap_map_pages+0xd92/0x1a20
[  632.959668]  ? print_usage_bug+0xc0/0xc0
[  632.963741]  ? find_get_entries_tag+0x1400/0x1400
[  632.968585]  ? __kasan_slab_free+0x102/0x150
[  632.972992]  ? kasan_slab_free+0xe/0x10
[  632.976965]  ? kmem_cache_free+0x83/0x290
[  632.981114]  ? __sigqueue_free.part.29+0x74/0x90
[  632.985889]  ? lock_acquire+0x1ed/0x520
[  632.989863]  ? ext4_filemap_fault+0x7a/0xad
[  632.994191]  ? lock_release+0xa00/0xa00
[  632.998182]  ? perf_trace_sched_process_exec+0x860/0x860
[  633.003632]  ? print_usage_bug+0xc0/0xc0
[  633.007694]  ? print_usage_bug+0xc0/0xc0
[  633.011776]  ? down_read+0x8d/0x120
[  633.015404]  ? ext4_filemap_fault+0x7a/0xad
[  633.019729]  ? __down_interruptible+0x700/0x700
[  633.024419]  ext4_filemap_fault+0x82/0xad
[  633.028575]  __do_fault+0x100/0x6b0
[  633.032206]  ? pmd_devmap_trans_unstable+0x220/0x220
[  633.037325]  ? mark_held_locks+0x130/0x130
[  633.041562]  ? mark_held_locks+0x130/0x130
[  633.045797]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  633.051337]  ? rcu_pm_notify+0xc0/0xc0
[  633.055244]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.060793]  __handle_mm_fault+0x3ea6/0x5be0
[  633.065216]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  633.070072]  ? _raw_spin_unlock_irq+0x27/0x80
[  633.074570]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  633.079163]  ? trace_hardirqs_on+0xbd/0x310
[  633.083485]  ? kasan_check_read+0x11/0x20
[  633.087638]  ? __set_current_blocked+0xdf/0x120
[  633.092311]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.097432]  ? zap_class+0x640/0x640
[  633.101145]  ? zap_class+0x640/0x640
[  633.104867]  ? find_held_lock+0x36/0x1c0
[  633.108941]  ? handle_mm_fault+0x42a/0xc70
[  633.113184]  ? lock_downgrade+0x900/0x900
[  633.117333]  ? check_preemption_disabled+0x48/0x280
[  633.122352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.127286]  ? kasan_check_read+0x11/0x20
[  633.131437]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.136719]  ? rcu_softirq_qs+0x20/0x20
[  633.140699]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.145807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.151349]  ? check_preemption_disabled+0x48/0x280
[  633.156380]  handle_mm_fault+0x54f/0xc70
[  633.160452]  ? __handle_mm_fault+0x5be0/0x5be0
[  633.165044]  ? find_vma+0x34/0x190
[  633.168590]  __do_page_fault+0x5e8/0xe60
[  633.172652]  ? exit_to_usermode_loop+0x1f4/0x380
[  633.177418]  do_page_fault+0xf2/0x7e0
[  633.181233]  ? vmalloc_sync_all+0x30/0x30
[  633.185382]  ? error_entry+0x70/0xd0
[  633.189101]  ? trace_hardirqs_off_caller+0xbb/0x310
[  633.194118]  ? trace_hardirqs_on_caller+0xc0/0x310
[  633.199048]  ? syscall_return_slowpath+0x5e0/0x5e0
[  633.203975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.208821]  ? trace_hardirqs_on_caller+0x310/0x310
[  633.213838]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  633.219294]  ? prepare_exit_to_usermode+0x291/0x3b0
[  633.224317]  ? page_fault+0x8/0x30
[  633.227859]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.232717]  ? page_fault+0x8/0x30
[  633.236265]  page_fault+0x1e/0x30
[  633.239715] RIP: 0033:0x45db60
[  633.242925] Code: Bad RIP value.
[  633.246288] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  633.251646] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  633.258911] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  633.266184] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  633.273453] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  633.280720] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  633.288027] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  633.288032] warn_alloc_show_mem: 1 callbacks suppressed
[  633.288040] Mem-Info:
[  633.294965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  633.300334] active_anon:45842 inactive_anon:131 isolated_anon:0
[  633.300334]  active_file:10 inactive_file:14 isolated_file:0
[  633.300334]  unevictable:0 dirty:0 writeback:0 unstable:0
[  633.300334]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  633.300334]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  633.300334]  free:13767 free_pcp:218 free_cma:0
[  633.302704] Call Trace:
[  633.312089] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  633.344931]  <IRQ>
[  633.347500] 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
[  633.374994]  dump_stack+0x244/0x39d
[  633.377113] lowmem_reserve[]: 0 2818 6321 6321
[  633.403235]  ? dump_stack_print_info.cold.1+0x20/0x20
[  633.406830] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  633.411418]  warn_alloc.cold.116+0xb7/0x1bd
[  633.416569] lowmem_reserve[]: 0 0 3503 3503
[  633.443892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  633.448185] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  633.452505]  ? lock_downgrade+0x900/0x900
[  633.457323] lowmem_reserve[]: 0 0 0 0
[  633.486250]  ? trace_hardirqs_off+0xb8/0x310
[  633.490361] 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
[  633.494161]  ? trace_hardirqs_off+0xb8/0x310
[  633.498540] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  633.512075]  __alloc_pages_slowpath+0x26e8/0x2e10
[  633.516459] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  633.531767]  ? warn_alloc+0x120/0x120
[  633.536573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  633.551398]  ? print_usage_bug+0xc0/0xc0
[  633.555197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  633.564042]  ? warn_alloc+0x120/0x120
[  633.568075] 162 total pagecache pages
[  633.576645]  ? warn_alloc+0x120/0x120
[  633.580430] 0 pages in swap cache
[  633.584216]  ? print_usage_bug+0xc0/0xc0
[  633.587999] Swap cache stats: add 0, delete 0, find 0/0
[  633.591442]  ? print_usage_bug+0xc0/0xc0
[  633.595478] Free swap  = 0kB
[  633.600836]  ? __lock_acquire+0x62f/0x4c20
[  633.604871] Total swap = 0kB
[  633.607891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.612110] 1965979 pages RAM
[  633.615125]  ? should_fail+0x22d/0xd01
[  633.620637] 0 pages HighMem/MovableOnly
[  633.623737]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.627603] 342855 pages reserved
[  633.631579]  ? __lock_acquire+0x62f/0x4c20
[  633.636653] 0 pages cma reserved
[  633.640100]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.644368] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  633.647664]  ? __lock_acquire+0x62f/0x4c20
[  633.647676]  ? should_fail+0x22d/0xd01
[  633.647691]  ? find_held_lock+0x36/0x1c0
[  633.647714]  ? mark_held_locks+0x130/0x130
[  633.652852] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  633.659287]  ? mark_held_locks+0x130/0x130
[  633.663514] syz-fuzzer cpuset=/ mems_allowed=0
[  633.667404]  ? zap_class+0x640/0x640
[  633.698386]  ? zap_class+0x640/0x640
[  633.702103]  ? print_usage_bug+0xc0/0xc0
[  633.706163]  ? do_raw_spin_unlock+0xa7/0x330
[  633.710575]  ? zap_class+0x640/0x640
[  633.714289]  ? print_usage_bug+0xc0/0xc0
[  633.718348]  ? wq_watchdog_touch+0x9c/0xfe
[  633.723041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.728583]  ? check_preemption_disabled+0x48/0x280
[  633.733609]  ? __lock_is_held+0xb5/0x140
[  633.737679]  __alloc_pages_nodemask+0xa80/0xde0
[  633.742352]  ? zap_class+0x640/0x640
[  633.746071]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  633.751107]  ? find_held_lock+0x36/0x1c0
[  633.755182]  ? ____cache_alloc_node+0x1c7/0x1e0
[  633.759852]  ? lock_downgrade+0x900/0x900
[  633.764009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.769551]  cache_grow_begin+0xa5/0x8c0
[  633.773612]  ? do_raw_spin_unlock+0xa7/0x330
[  633.778028]  fallback_alloc+0x204/0x2e0
[  633.782029]  ____cache_alloc_node+0x1c7/0x1e0
[  633.786536]  kmem_cache_alloc_node+0xe3/0x730
[  633.791032]  ? ipv6_get_ifaddr+0x42e/0x620
[  633.795281]  __alloc_skb+0x119/0x770
[  633.798992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.804277]  ? netdev_alloc_frag+0x1f0/0x1f0
[  633.808686]  ? lock_downgrade+0x900/0x900
[  633.812843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.818383]  ? refcount_sub_and_test_checked+0x203/0x310
[  633.823836]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  633.829288]  ? addrconf_rs_timer+0x690/0x690
[  633.833707]  ndisc_alloc_skb+0x144/0x340
[  633.837776]  ndisc_send_rs+0x331/0x6e0
[  633.841668]  addrconf_rs_timer+0x314/0x690
[  633.845913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.850160]  call_timer_fn+0x272/0x920
[  633.854049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.858370]  ? process_timeout+0x40/0x40
[  633.862443]  ? __run_timers+0x7da/0xc70
[  633.866426]  ? _raw_spin_unlock_irq+0x27/0x80
[  633.870928]  ? _raw_spin_unlock_irq+0x27/0x80
[  633.875420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.879656]  ? lockdep_hardirqs_on+0x296/0x5b0
[  633.884251]  ? trace_hardirqs_on+0xbd/0x310
[  633.888579]  ? kasan_check_read+0x11/0x20
[  633.892726]  ? __run_timers+0x7da/0xc70
[  633.896702]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.901809]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.906049]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.910288]  __run_timers+0x7e5/0xc70
[  633.914098]  ? timer_fixup_init+0x70/0x70
[  633.918257]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  633.923277]  ? zap_class+0x640/0x640
[  633.926994]  ? enqueue_hrtimer+0x1a5/0x560
[  633.931245]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  633.936443]  ? find_held_lock+0x36/0x1c0
[  633.940511]  ? zap_class+0x640/0x640
[  633.944253]  ? pvclock_read_flags+0x160/0x160
[  633.948751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.954291]  ? check_preemption_disabled+0x48/0x280
[  633.959317]  ? __lock_is_held+0xb5/0x140
[  633.963385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.968928]  ? check_preemption_disabled+0x48/0x280
[  633.973954]  run_timer_softirq+0x52/0xb0
[  633.978018]  ? rcu_read_lock_sched_held+0x14f/0x180
[  633.983034]  __do_softirq+0x308/0xb7e
[  633.986845]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  633.991341]  ? lock_downgrade+0x900/0x900
[  633.995500]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  634.000611]  ? pvclock_read_flags+0x160/0x160
[  634.005112]  ? lapic_next_event+0x5a/0x90
[  634.009267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.014812]  ? kvm_clock_read+0x18/0x30
[  634.018790]  ? kvm_sched_clock_read+0x9/0x20
[  634.023204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.028753]  ? check_preemption_disabled+0x48/0x280
[  634.033785]  irq_exit+0x17f/0x1c0
[  634.037256]  smp_apic_timer_interrupt+0x1cb/0x760
[  634.042099]  ? smp_call_function_single_interrupt+0x159/0x650
[  634.047984]  ? smp_call_function_single_interrupt+0x650/0x650
[  634.053875]  ? interrupt_entry+0xb5/0xc0
[  634.057944]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.062963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.067987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.072832]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.077853]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.082870]  ? task_prio+0x50/0x50
[  634.086417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.091956]  ? check_preemption_disabled+0x48/0x280
[  634.096983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.101841]  apic_timer_interrupt+0xf/0x20
[  634.106069]  </IRQ>
[  634.108314] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  634.113258] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  634.132156] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  634.139864] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  634.147136] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  634.154406] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  634.161670] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  634.168935] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  634.176264]  skb_clone+0x1bb/0x500
[  634.179807]  ? finish_task_switch+0x2f4/0x910
[  634.184303]  ? skb_split+0x11e0/0x11e0
[  634.188191]  ? preempt_notifier_register+0x200/0x200
[  634.193305]  ? __switch_to_asm+0x34/0x70
[  634.197366]  ? __switch_to_asm+0x34/0x70
[  634.201426]  ? __switch_to_asm+0x40/0x70
[  634.205487]  ? __switch_to_asm+0x34/0x70
[  634.209546]  ? __switch_to_asm+0x40/0x70
[  634.213608]  ? __switch_to_asm+0x34/0x70
[  634.217668]  ? __switch_to_asm+0x40/0x70
[  634.221726]  ? __switch_to_asm+0x34/0x70
[  634.225793]  ? __switch_to_asm+0x34/0x70
[  634.229851]  ? __switch_to_asm+0x40/0x70
[  634.233910]  ? __switch_to_asm+0x34/0x70
[  634.237982]  bpf_clone_redirect+0xb9/0x490
[  634.242215]  ? __schedule+0x8d7/0x21d0
[  634.246128]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  634.251145]  ? __sched_text_start+0x8/0x8
[  634.255306]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  634.259888]  ? retint_kernel+0x2d/0x2d
[  634.263778]  ? trace_hardirqs_on_caller+0xc0/0x310
[  634.268712]  ? find_held_lock+0x36/0x1c0
[  634.272783]  ? lock_acquire+0x1ed/0x520
[  634.276758]  ? bpf_test_run+0x3cb/0x780
[  634.280746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.286285]  ? check_preemption_disabled+0x48/0x280
[  634.291310]  ? kasan_check_read+0x11/0x20
[  634.295461]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.300737]  ? rcu_softirq_qs+0x20/0x20
[  634.304715]  ? preempt_schedule+0x4d/0x60
[  634.308866]  ? ___preempt_schedule+0x16/0x18
[  634.313285]  ? bpf_test_run+0x25d/0x780
[  634.317274]  ? netlink_diag_dump+0x2a0/0x2a0
[  634.321685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.327230]  ? bpf_test_init.isra.10+0x70/0x100
[  634.331916]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  634.336682]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  634.341526]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  634.347063]  ? fput+0x130/0x1a0
[  634.350348]  ? __bpf_prog_get+0x9b/0x290
[  634.354412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  634.359259]  ? bpf_prog_test_run+0x130/0x1a0
[  634.363675]  ? __x64_sys_bpf+0x3d8/0x520
[  634.367741]  ? bpf_prog_get+0x20/0x20
[  634.371566]  ? do_syscall_64+0x1b9/0x820
[  634.375630]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  634.380998]  ? syscall_return_slowpath+0x5e0/0x5e0
[  634.385936]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.390958]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  634.395976]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  634.402643]  ? __switch_to_asm+0x40/0x70
[  634.406704]  ? __switch_to_asm+0x34/0x70
[  634.410770]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.415626]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  634.421010] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  634.421081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  634.427590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  634.427595] Call Trace:
[  634.427602]  <IRQ>
[  634.427619]  dump_stack+0x244/0x39d
[  634.427639]  ? dump_stack_print_info.cold.1+0x20/0x20
[  634.434164] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  634.443466]  warn_alloc.cold.116+0xb7/0x1bd
[  634.446017] syz-executor3 cpuset=syz3 mems_allowed=0
[  634.448162]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  634.481656]  ? lock_downgrade+0x900/0x900
[  634.485814]  ? trace_hardirqs_off+0xb8/0x310
[  634.490237]  ? trace_hardirqs_off+0xb8/0x310
[  634.494663]  __alloc_pages_slowpath+0x26e8/0x2e10
[  634.499538]  ? warn_alloc+0x120/0x120
[  634.503346]  ? print_usage_bug+0xc0/0xc0
[  634.507412]  ? warn_alloc+0x120/0x120
[  634.511229]  ? warn_alloc+0x120/0x120
[  634.515055]  ? print_usage_bug+0xc0/0xc0
[  634.519120]  ? print_usage_bug+0xc0/0xc0
[  634.523185]  ? __lock_acquire+0x62f/0x4c20
[  634.527425]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.532965]  ? should_fail+0x22d/0xd01
[  634.536861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.541965]  ? __lock_acquire+0x62f/0x4c20
[  634.546207]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.551318]  ? __lock_acquire+0x62f/0x4c20
[  634.555553]  ? should_fail+0x22d/0xd01
[  634.559448]  ? find_held_lock+0x36/0x1c0
[  634.563522]  ? mark_held_locks+0x130/0x130
[  634.567768]  ? mark_held_locks+0x130/0x130
[  634.571999]  ? zap_class+0x640/0x640
[  634.575717]  ? zap_class+0x640/0x640
[  634.579438]  ? print_usage_bug+0xc0/0xc0
[  634.583496]  ? do_raw_spin_unlock+0xa7/0x330
[  634.587903]  ? zap_class+0x640/0x640
[  634.591615]  ? print_usage_bug+0xc0/0xc0
[  634.595679]  ? wq_watchdog_touch+0x9c/0xfe
[  634.599918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.605461]  ? check_preemption_disabled+0x48/0x280
[  634.610489]  ? __lock_is_held+0xb5/0x140
[  634.614556]  __alloc_pages_nodemask+0xa80/0xde0
[  634.619231]  ? zap_class+0x640/0x640
[  634.622951]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  634.627981]  ? find_held_lock+0x36/0x1c0
[  634.632063]  ? ____cache_alloc_node+0x1c7/0x1e0
[  634.636741]  ? lock_downgrade+0x900/0x900
[  634.640910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.646459]  cache_grow_begin+0xa5/0x8c0
[  634.650525]  ? do_raw_spin_unlock+0xa7/0x330
[  634.654945]  fallback_alloc+0x204/0x2e0
[  634.658929]  ____cache_alloc_node+0x1c7/0x1e0
[  634.663433]  kmem_cache_alloc_node+0xe3/0x730
[  634.667931]  ? ipv6_get_ifaddr+0x42e/0x620
[  634.672182]  __alloc_skb+0x119/0x770
[  634.675900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.681185]  ? netdev_alloc_frag+0x1f0/0x1f0
[  634.685598]  ? lock_downgrade+0x900/0x900
[  634.689768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.695311]  ? refcount_sub_and_test_checked+0x203/0x310
[  634.700773]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  634.706246]  ? addrconf_rs_timer+0x690/0x690
[  634.710675]  ndisc_alloc_skb+0x144/0x340
[  634.714745]  ndisc_send_rs+0x331/0x6e0
[  634.718640]  addrconf_rs_timer+0x314/0x690
[  634.722884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.727130]  call_timer_fn+0x272/0x920
[  634.731017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.735266]  ? process_timeout+0x40/0x40
[  634.739343]  ? mark_held_locks+0xc7/0x130
[  634.743499]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.747994]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.752488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.756726]  ? lockdep_hardirqs_on+0x296/0x5b0
[  634.761318]  ? trace_hardirqs_on+0xbd/0x310
[  634.765642]  ? kasan_check_read+0x11/0x20
[  634.769792]  ? __run_timers+0x7da/0xc70
[  634.773768]  ? trace_hardirqs_off_caller+0x310/0x310
[  634.778878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.783121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  634.787352]  __run_timers+0x7e5/0xc70
[  634.791166]  ? timer_fixup_init+0x70/0x70
[  634.795317]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  634.800335]  ? zap_class+0x640/0x640
[  634.804054]  ? print_usage_bug+0xc0/0xc0
[  634.808116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  634.813316]  ? find_held_lock+0x36/0x1c0
[  634.817381]  ? zap_class+0x640/0x640
[  634.821102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.826641]  ? check_preemption_disabled+0x48/0x280
[  634.831671]  ? __lock_is_held+0xb5/0x140
[  634.835739]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.841280]  ? check_preemption_disabled+0x48/0x280
[  634.846302]  run_timer_softirq+0x52/0xb0
[  634.850367]  ? rcu_read_lock_sched_held+0x14f/0x180
[  634.855644]  __do_softirq+0x308/0xb7e
[  634.859456]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  634.863951]  ? lock_downgrade+0x900/0x900
[  634.868106]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  634.873220]  ? pvclock_read_flags+0x160/0x160
[  634.877731]  ? lapic_next_event+0x5a/0x90
[  634.881888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.887430]  ? kvm_clock_read+0x18/0x30
[  634.891402]  ? kvm_sched_clock_read+0x9/0x20
[  634.895815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.901358]  ? check_preemption_disabled+0x48/0x280
[  634.906386]  irq_exit+0x17f/0x1c0
[  634.909842]  smp_apic_timer_interrupt+0x1cb/0x760
[  634.914683]  ? smp_reschedule_interrupt+0x109/0x650
[  634.919704]  ? smp_call_function_single_interrupt+0x650/0x650
[  634.925594]  ? interrupt_entry+0xb5/0xc0
[  634.929658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.934674]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.939692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.944534]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.949549]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.954568]  ? task_prio+0x50/0x50
[  634.958115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.963653]  ? check_preemption_disabled+0x48/0x280
[  634.968675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.973527]  apic_timer_interrupt+0xf/0x20
[  634.977762]  </IRQ>
[  634.979999] RIP: 0010:dump_stack+0x358/0x39d
[  634.984410] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  635.003315] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  635.011026] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  635.018295] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  635.025576] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  635.032844] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  635.040111] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  635.047404]  ? dump_stack+0x34f/0x39d
[  635.051219]  ? dump_stack_print_info.cold.1+0x20/0x20
[  635.056428]  ? mark_held_locks+0x130/0x130
[  635.060664]  ? mark_held_locks+0x130/0x130
[  635.064904]  dump_header+0x27b/0xf72
[  635.068633]  ? pagefault_out_of_memory+0x197/0x197
[  635.073573]  ? __lock_acquire+0x62f/0x4c20
[  635.077810]  ? percpu_ref_get_many+0x240/0x240
[  635.082398]  ? print_usage_bug+0xc0/0xc0
[  635.086467]  ? zap_class+0x640/0x640
[  635.090189]  ? print_usage_bug+0xc0/0xc0
[  635.094263]  ? print_usage_bug+0xc0/0xc0
[  635.098327]  ? zap_class+0x640/0x640
[  635.102046]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.107590]  ? find_held_lock+0x36/0x1c0
[  635.111659]  ? mark_held_locks+0xc7/0x130
[  635.115817]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  635.120926]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  635.126034]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  635.130617]  ? trace_hardirqs_on+0xbd/0x310
[  635.134942]  ? kasan_check_read+0x11/0x20
[  635.139088]  ? ___ratelimit+0x3b4/0x672
[  635.143062]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.148168]  ? trace_hardirqs_on+0x310/0x310
[  635.152576]  ? lock_downgrade+0x900/0x900
[  635.156740]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  635.161848]  ? ___ratelimit+0x3b9/0x672
[  635.165827]  ? idr_get_free+0xf70/0xf70
[  635.169802]  ? find_held_lock+0x36/0x1c0
[  635.173872]  oom_kill_process.cold.27+0x10/0x903
[  635.178633]  ? zap_class+0x640/0x640
[  635.182349]  ? check_preemption_disabled+0x48/0x280
[  635.187372]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.192304]  ? kasan_check_read+0x11/0x20
[  635.196451]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.201747]  ? oom_evaluate_task+0x540/0x540
[  635.206162]  ? find_held_lock+0x36/0x1c0
[  635.210238]  ? out_of_memory+0x974/0x1430
[  635.214393]  ? lock_downgrade+0x900/0x900
[  635.218544]  ? check_preemption_disabled+0x48/0x280
[  635.223567]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.228499]  ? kasan_check_read+0x11/0x20
[  635.232652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.237930]  ? rcu_softirq_qs+0x20/0x20
[  635.241908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.247445]  ? oom_evaluate_task+0x302/0x540
[  635.251857]  out_of_memory+0xa84/0x1430
[  635.255841]  ? oom_killer_disable+0x3a0/0x3a0
[  635.260340]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  635.265273]  ? __ww_mutex_check_waiters+0x160/0x160
[  635.270302]  __alloc_pages_slowpath+0x2354/0x2e10
[  635.275180]  ? warn_alloc+0x120/0x120
[  635.278984]  ? mark_held_locks+0x130/0x130
[  635.283236]  ? find_get_entry+0xaae/0x1120
[  635.287483]  ? filemap_map_pages+0x1a20/0x1a20
[  635.292069]  ? zap_class+0x640/0x640
[  635.295789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.301327]  ? check_preemption_disabled+0x48/0x280
[  635.306349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.311901]  ? should_fail+0x22d/0xd01
[  635.315796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.320988]  ? zap_class+0x640/0x640
[  635.324738]  ? __lock_is_held+0xb5/0x140
[  635.328812]  ? mark_held_locks+0x130/0x130
[  635.333053]  ? lock_release+0xa00/0xa00
[  635.337030]  ? perf_trace_sched_process_exec+0x860/0x860
[  635.342481]  ? xa_load+0x2ba/0x460
[  635.346022]  ? lock_downgrade+0x900/0x900
[  635.350177]  ? __might_sleep+0x95/0x190
[  635.354160]  __alloc_pages_nodemask+0xa80/0xde0
[  635.358840]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  635.363862]  ? __page_cache_alloc+0x191/0x5c0
[  635.368354]  ? xa_load+0x2e1/0x460
[  635.371897]  ? xa_clear_mark+0x40/0x40
[  635.375873]  ? zap_class+0x640/0x640
[  635.379599]  ? zap_class+0x640/0x640
[  635.383313]  ? zap_class+0x640/0x640
[  635.387026]  ? __do_page_cache_readahead+0x663/0x810
[  635.392139]  ? find_held_lock+0x36/0x1c0
[  635.396211]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  635.401768]  alloc_pages_current+0x173/0x350
[  635.406186]  __page_cache_alloc+0x38c/0x5c0
[  635.410512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.415442]  ? kasan_check_read+0x11/0x20
[  635.419588]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.424869]  ? generic_perform_write+0x6a0/0x6a0
[  635.429628]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.435166]  ? check_preemption_disabled+0x48/0x280
[  635.440190]  filemap_fault+0x1595/0x25f0
[  635.444272]  ? __lock_page_or_retry+0xa00/0xa00
[  635.448946]  ? mark_held_locks+0x130/0x130
[  635.453192]  ? filemap_map_pages+0xd6b/0x1a20
[  635.457695]  ? lock_downgrade+0x900/0x900
[  635.461846]  ? check_preemption_disabled+0x48/0x280
[  635.466865]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.471793]  ? kasan_check_read+0x11/0x20
[  635.475940]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.481220]  ? rcu_softirq_qs+0x20/0x20
[  635.485216]  ? filemap_map_pages+0xd92/0x1a20
[  635.489730]  ? print_usage_bug+0xc0/0xc0
[  635.493804]  ? find_get_entries_tag+0x1400/0x1400
[  635.498647]  ? __kasan_slab_free+0x102/0x150
[  635.503056]  ? kasan_slab_free+0xe/0x10
[  635.507032]  ? kmem_cache_free+0x83/0x290
[  635.511178]  ? __sigqueue_free.part.29+0x74/0x90
[  635.515958]  ? lock_acquire+0x1ed/0x520
[  635.519930]  ? ext4_filemap_fault+0x7a/0xad
[  635.524264]  ? lock_release+0xa00/0xa00
[  635.528244]  ? perf_trace_sched_process_exec+0x860/0x860
[  635.533696]  ? print_usage_bug+0xc0/0xc0
[  635.537767]  ? print_usage_bug+0xc0/0xc0
[  635.541841]  ? down_read+0x8d/0x120
[  635.545468]  ? ext4_filemap_fault+0x7a/0xad
[  635.549790]  ? __down_interruptible+0x700/0x700
[  635.554472]  ext4_filemap_fault+0x82/0xad
[  635.558623]  __do_fault+0x100/0x6b0
[  635.562265]  ? pmd_devmap_trans_unstable+0x220/0x220
[  635.567373]  ? mark_held_locks+0x130/0x130
[  635.571608]  ? mark_held_locks+0x130/0x130
[  635.575843]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  635.581382]  ? rcu_pm_notify+0xc0/0xc0
[  635.585283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.590829]  __handle_mm_fault+0x3ea6/0x5be0
[  635.595257]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  635.600100]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.604595]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  635.609184]  ? trace_hardirqs_on+0xbd/0x310
[  635.613507]  ? kasan_check_read+0x11/0x20
[  635.617652]  ? __set_current_blocked+0xdf/0x120
[  635.622323]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.627458]  ? zap_class+0x640/0x640
[  635.631170]  ? zap_class+0x640/0x640
[  635.634888]  ? find_held_lock+0x36/0x1c0
[  635.638958]  ? handle_mm_fault+0x42a/0xc70
[  635.643198]  ? lock_downgrade+0x900/0x900
[  635.647353]  ? check_preemption_disabled+0x48/0x280
[  635.652374]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  635.657302]  ? kasan_check_read+0x11/0x20
[  635.661454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.666728]  ? rcu_softirq_qs+0x20/0x20
[  635.670712]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.675826]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.681368]  ? check_preemption_disabled+0x48/0x280
[  635.686396]  handle_mm_fault+0x54f/0xc70
[  635.690466]  ? __handle_mm_fault+0x5be0/0x5be0
[  635.695056]  ? find_vma+0x34/0x190
[  635.698601]  __do_page_fault+0x5e8/0xe60
[  635.702667]  ? exit_to_usermode_loop+0x1f4/0x380
[  635.707436]  do_page_fault+0xf2/0x7e0
[  635.711253]  ? vmalloc_sync_all+0x30/0x30
[  635.715403]  ? error_entry+0x70/0xd0
[  635.719121]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.724455]  ? trace_hardirqs_on_caller+0xc0/0x310
[  635.729386]  ? syscall_return_slowpath+0x5e0/0x5e0
[  635.734329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.739181]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.744200]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  635.749665]  ? prepare_exit_to_usermode+0x291/0x3b0
[  635.754684]  ? page_fault+0x8/0x30
[  635.758237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.763085]  ? page_fault+0x8/0x30
[  635.766628]  page_fault+0x1e/0x30
[  635.770080] RIP: 0033:0x45db60
[  635.773290] Code: Bad RIP value.
[  635.776655] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  635.782014] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  635.789320] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  635.796587] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  635.803852] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  635.811120] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  635.818425] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  635.818430] warn_alloc_show_mem: 1 callbacks suppressed
[  635.818438] Mem-Info:
[  635.825364] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  635.830757] active_anon:45842 inactive_anon:131 isolated_anon:0
[  635.830757]  active_file:10 inactive_file:14 isolated_file:0
[  635.830757]  unevictable:0 dirty:0 writeback:0 unstable:0
[  635.830757]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  635.830757]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  635.830757]  free:13767 free_pcp:218 free_cma:0
[  635.833124] Call Trace:
[  635.842513] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  635.875372]  <IRQ>
[  635.877945] 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
[  635.905453]  dump_stack+0x244/0x39d
[  635.907582] lowmem_reserve[]: 0 2818 6321 6321
[  635.933705]  ? dump_stack_print_info.cold.1+0x20/0x20
[  635.937304] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  635.941888]  warn_alloc.cold.116+0xb7/0x1bd
[  635.947040] lowmem_reserve[]: 0 0 3503 3503
[  635.974380]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  635.978677] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  635.982991]  ? lock_downgrade+0x900/0x900
[  635.987813] lowmem_reserve[]: 0 0 0 0
[  636.016723]  ? trace_hardirqs_off+0xb8/0x310
[  636.020850] 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
[  636.024644]  ? trace_hardirqs_off+0xb8/0x310
[  636.029017] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  636.042556]  __alloc_pages_slowpath+0x26e8/0x2e10
[  636.046933] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  636.062241]  ? warn_alloc+0x120/0x120
[  636.067024] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  636.081857]  ? print_usage_bug+0xc0/0xc0
[  636.085638] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  636.094464]  ? warn_alloc+0x120/0x120
[  636.098500] 162 total pagecache pages
[  636.107075]  ? warn_alloc+0x120/0x120
[  636.110851] 0 pages in swap cache
[  636.114640]  ? print_usage_bug+0xc0/0xc0
[  636.118418] Swap cache stats: add 0, delete 0, find 0/0
[  636.121861]  ? print_usage_bug+0xc0/0xc0
[  636.125914] Free swap  = 0kB
[  636.131277]  ? __lock_acquire+0x62f/0x4c20
[  636.135312] Total swap = 0kB
[  636.138331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.142537] 1965979 pages RAM
[  636.145550]  ? should_fail+0x22d/0xd01
[  636.151063] 0 pages HighMem/MovableOnly
[  636.154162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  636.158016] 342855 pages reserved
[  636.158024] 0 pages cma reserved
[  636.161996]  ? __lock_acquire+0x62f/0x4c20
[  636.167132] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  636.170519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  636.173919] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  636.178093]  ? __lock_acquire+0x62f/0x4c20
[  636.184560] syz-fuzzer cpuset=/ mems_allowed=0
[  636.189660]  ? should_fail+0x22d/0xd01
[  636.212535]  ? find_held_lock+0x36/0x1c0
[  636.216609]  ? mark_held_locks+0x130/0x130
[  636.220851]  ? mark_held_locks+0x130/0x130
[  636.225089]  ? zap_class+0x640/0x640
[  636.228809]  ? zap_class+0x640/0x640
[  636.232529]  ? print_usage_bug+0xc0/0xc0
[  636.236589]  ? do_raw_spin_unlock+0xa7/0x330
[  636.241002]  ? zap_class+0x640/0x640
[  636.244719]  ? print_usage_bug+0xc0/0xc0
[  636.248781]  ? wq_watchdog_touch+0x9c/0xfe
[  636.253022]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.258576]  ? check_preemption_disabled+0x48/0x280
[  636.263602]  ? __lock_is_held+0xb5/0x140
[  636.267675]  __alloc_pages_nodemask+0xa80/0xde0
[  636.272344]  ? zap_class+0x640/0x640
[  636.276064]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  636.281091]  ? find_held_lock+0x36/0x1c0
[  636.285166]  ? ____cache_alloc_node+0x1c7/0x1e0
[  636.289842]  ? lock_downgrade+0x900/0x900
[  636.293998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.299541]  cache_grow_begin+0xa5/0x8c0
[  636.303607]  ? do_raw_spin_unlock+0xa7/0x330
[  636.308024]  fallback_alloc+0x204/0x2e0
[  636.312009]  ____cache_alloc_node+0x1c7/0x1e0
[  636.316513]  kmem_cache_alloc_node+0xe3/0x730
[  636.321009]  ? ipv6_get_ifaddr+0x42e/0x620
[  636.325265]  __alloc_skb+0x119/0x770
[  636.328978]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.334272]  ? netdev_alloc_frag+0x1f0/0x1f0
[  636.338679]  ? lock_downgrade+0x900/0x900
[  636.342834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.348370]  ? refcount_sub_and_test_checked+0x203/0x310
[  636.353824]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  636.359272]  ? addrconf_rs_timer+0x690/0x690
[  636.363695]  ndisc_alloc_skb+0x144/0x340
[  636.367761]  ndisc_send_rs+0x331/0x6e0
[  636.371653]  addrconf_rs_timer+0x314/0x690
[  636.375897]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.380143]  call_timer_fn+0x272/0x920
[  636.384034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.388269]  ? process_timeout+0x40/0x40
[  636.392341]  ? __run_timers+0x7da/0xc70
[  636.396325]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.400819]  ? _raw_spin_unlock_irq+0x27/0x80
[  636.405309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.409548]  ? lockdep_hardirqs_on+0x296/0x5b0
[  636.414137]  ? trace_hardirqs_on+0xbd/0x310
[  636.418464]  ? kasan_check_read+0x11/0x20
[  636.422609]  ? __run_timers+0x7da/0xc70
[  636.426587]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.431696]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.435939]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  636.440172]  __run_timers+0x7e5/0xc70
[  636.443986]  ? timer_fixup_init+0x70/0x70
[  636.448136]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  636.453158]  ? zap_class+0x640/0x640
[  636.456874]  ? enqueue_hrtimer+0x1a5/0x560
[  636.461110]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  636.466311]  ? find_held_lock+0x36/0x1c0
[  636.470380]  ? zap_class+0x640/0x640
[  636.474096]  ? pvclock_read_flags+0x160/0x160
[  636.478595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.484135]  ? check_preemption_disabled+0x48/0x280
[  636.489159]  ? __lock_is_held+0xb5/0x140
[  636.493220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.498772]  ? check_preemption_disabled+0x48/0x280
[  636.503795]  run_timer_softirq+0x52/0xb0
[  636.507861]  ? rcu_read_lock_sched_held+0x14f/0x180
[  636.512878]  __do_softirq+0x308/0xb7e
[  636.516681]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  636.521179]  ? lock_downgrade+0x900/0x900
[  636.525332]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  636.530448]  ? pvclock_read_flags+0x160/0x160
[  636.534949]  ? lapic_next_event+0x5a/0x90
[  636.539099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.544645]  ? kvm_clock_read+0x18/0x30
[  636.548618]  ? kvm_sched_clock_read+0x9/0x20
[  636.553060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.558599]  ? check_preemption_disabled+0x48/0x280
[  636.563630]  irq_exit+0x17f/0x1c0
[  636.567087]  smp_apic_timer_interrupt+0x1cb/0x760
[  636.571929]  ? smp_call_function_single_interrupt+0x159/0x650
[  636.577814]  ? smp_call_function_single_interrupt+0x650/0x650
[  636.583699]  ? interrupt_entry+0xb5/0xc0
[  636.587761]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.592776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.597799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.602644]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.607662]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.612679]  ? task_prio+0x50/0x50
[  636.616220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.621774]  ? check_preemption_disabled+0x48/0x280
[  636.626795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.631648]  apic_timer_interrupt+0xf/0x20
[  636.635876]  </IRQ>
[  636.638118] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  636.643136] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  636.662045] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  636.669758] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  636.677026] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  636.684295] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  636.691559] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  636.698824] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  636.706141]  skb_clone+0x1bb/0x500
[  636.709685]  ? finish_task_switch+0x2f4/0x910
[  636.714180]  ? skb_split+0x11e0/0x11e0
[  636.718071]  ? preempt_notifier_register+0x200/0x200
[  636.723180]  ? __switch_to_asm+0x34/0x70
[  636.727253]  ? __switch_to_asm+0x34/0x70
[  636.731314]  ? __switch_to_asm+0x40/0x70
[  636.735380]  ? __switch_to_asm+0x34/0x70
[  636.739441]  ? __switch_to_asm+0x40/0x70
[  636.743505]  ? __switch_to_asm+0x34/0x70
[  636.747568]  ? __switch_to_asm+0x40/0x70
[  636.751630]  ? __switch_to_asm+0x34/0x70
[  636.755696]  ? __switch_to_asm+0x34/0x70
[  636.759760]  ? __switch_to_asm+0x40/0x70
[  636.763821]  ? __switch_to_asm+0x34/0x70
[  636.767889]  bpf_clone_redirect+0xb9/0x490
[  636.772125]  ? __schedule+0x8d7/0x21d0
[  636.776021]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  636.781040]  ? __sched_text_start+0x8/0x8
[  636.785192]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  636.789782]  ? retint_kernel+0x2d/0x2d
[  636.793670]  ? trace_hardirqs_on_caller+0xc0/0x310
[  636.798605]  ? find_held_lock+0x36/0x1c0
[  636.802679]  ? lock_acquire+0x1ed/0x520
[  636.806653]  ? bpf_test_run+0x3cb/0x780
[  636.810630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.816180]  ? check_preemption_disabled+0x48/0x280
[  636.821204]  ? kasan_check_read+0x11/0x20
[  636.825364]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.830645]  ? rcu_softirq_qs+0x20/0x20
[  636.834621]  ? preempt_schedule+0x4d/0x60
[  636.838776]  ? ___preempt_schedule+0x16/0x18
[  636.843194]  ? bpf_test_run+0x25d/0x780
[  636.847199]  ? netlink_diag_dump+0x2a0/0x2a0
[  636.851630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.857451]  ? bpf_test_init.isra.10+0x70/0x100
[  636.862130]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  636.866899]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  636.871745]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  636.877289]  ? fput+0x130/0x1a0
[  636.880574]  ? __bpf_prog_get+0x9b/0x290
[  636.884640]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  636.889488]  ? bpf_prog_test_run+0x130/0x1a0
[  636.893905]  ? __x64_sys_bpf+0x3d8/0x520
[  636.897969]  ? bpf_prog_get+0x20/0x20
[  636.901793]  ? do_syscall_64+0x1b9/0x820
[  636.905864]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  636.911247]  ? syscall_return_slowpath+0x5e0/0x5e0
[  636.916187]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.921207]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  636.926253]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  636.932927]  ? __switch_to_asm+0x40/0x70
[  636.936986]  ? __switch_to_asm+0x34/0x70
[  636.941055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.945908]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  636.951297] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  636.951366] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  636.957879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  636.957884] Call Trace:
[  636.957891]  <IRQ>
[  636.957911]  dump_stack+0x244/0x39d
[  636.957930]  ? dump_stack_print_info.cold.1+0x20/0x20
[  636.964519] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  636.973765]  warn_alloc.cold.116+0xb7/0x1bd
[  636.976577] syz-executor3 cpuset=syz3 mems_allowed=0
[  636.978722]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  636.978747]  ? lock_downgrade+0x900/0x900
[  637.016507]  ? trace_hardirqs_off+0xb8/0x310
[  637.020927]  ? trace_hardirqs_off+0xb8/0x310
[  637.025348]  __alloc_pages_slowpath+0x26e8/0x2e10
[  637.030230]  ? warn_alloc+0x120/0x120
[  637.034040]  ? print_usage_bug+0xc0/0xc0
[  637.038104]  ? warn_alloc+0x120/0x120
[  637.041909]  ? warn_alloc+0x120/0x120
[  637.045711]  ? print_usage_bug+0xc0/0xc0
[  637.049787]  ? print_usage_bug+0xc0/0xc0
[  637.053851]  ? __lock_acquire+0x62f/0x4c20
[  637.058094]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.063630]  ? should_fail+0x22d/0xd01
[  637.067521]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.072624]  ? __lock_acquire+0x62f/0x4c20
[  637.076863]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.081964]  ? __lock_acquire+0x62f/0x4c20
[  637.086200]  ? should_fail+0x22d/0xd01
[  637.090098]  ? find_held_lock+0x36/0x1c0
[  637.094171]  ? mark_held_locks+0x130/0x130
[  637.098411]  ? mark_held_locks+0x130/0x130
[  637.102644]  ? zap_class+0x640/0x640
[  637.106361]  ? zap_class+0x640/0x640
[  637.110078]  ? print_usage_bug+0xc0/0xc0
[  637.114143]  ? do_raw_spin_unlock+0xa7/0x330
[  637.118551]  ? zap_class+0x640/0x640
[  637.122268]  ? print_usage_bug+0xc0/0xc0
[  637.126332]  ? wq_watchdog_touch+0x9c/0xfe
[  637.130572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.136115]  ? check_preemption_disabled+0x48/0x280
[  637.141145]  ? __lock_is_held+0xb5/0x140
[  637.145213]  __alloc_pages_nodemask+0xa80/0xde0
[  637.149894]  ? zap_class+0x640/0x640
[  637.153618]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  637.158650]  ? find_held_lock+0x36/0x1c0
[  637.162721]  ? ____cache_alloc_node+0x1c7/0x1e0
[  637.167401]  ? lock_downgrade+0x900/0x900
[  637.171563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.177110]  cache_grow_begin+0xa5/0x8c0
[  637.181173]  ? do_raw_spin_unlock+0xa7/0x330
[  637.185592]  fallback_alloc+0x204/0x2e0
[  637.189578]  ____cache_alloc_node+0x1c7/0x1e0
[  637.194085]  kmem_cache_alloc_node+0xe3/0x730
[  637.198588]  ? ipv6_get_ifaddr+0x42e/0x620
[  637.202834]  __alloc_skb+0x119/0x770
[  637.206549]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.211833]  ? netdev_alloc_frag+0x1f0/0x1f0
[  637.216251]  ? lock_downgrade+0x900/0x900
[  637.220411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.225951]  ? refcount_sub_and_test_checked+0x203/0x310
[  637.231406]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  637.236864]  ? addrconf_rs_timer+0x690/0x690
[  637.241287]  ndisc_alloc_skb+0x144/0x340
[  637.245355]  ndisc_send_rs+0x331/0x6e0
[  637.249257]  addrconf_rs_timer+0x314/0x690
[  637.253508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.257760]  call_timer_fn+0x272/0x920
[  637.261654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.265891]  ? process_timeout+0x40/0x40
[  637.269964]  ? mark_held_locks+0xc7/0x130
[  637.274116]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.278616]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.283113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.287349]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.291935]  ? trace_hardirqs_on+0xbd/0x310
[  637.296260]  ? kasan_check_read+0x11/0x20
[  637.300409]  ? __run_timers+0x7da/0xc70
[  637.304387]  ? trace_hardirqs_off_caller+0x310/0x310
[  637.309502]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.313761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  637.317998]  __run_timers+0x7e5/0xc70
[  637.321815]  ? timer_fixup_init+0x70/0x70
[  637.325968]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  637.330988]  ? zap_class+0x640/0x640
[  637.334710]  ? print_usage_bug+0xc0/0xc0
[  637.338778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  637.343978]  ? find_held_lock+0x36/0x1c0
[  637.348046]  ? zap_class+0x640/0x640
[  637.351775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.357324]  ? check_preemption_disabled+0x48/0x280
[  637.362353]  ? __lock_is_held+0xb5/0x140
[  637.366420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.371960]  ? check_preemption_disabled+0x48/0x280
[  637.376988]  run_timer_softirq+0x52/0xb0
[  637.381054]  ? rcu_read_lock_sched_held+0x14f/0x180
[  637.386253]  __do_softirq+0x308/0xb7e
[  637.390064]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  637.394559]  ? lock_downgrade+0x900/0x900
[  637.398722]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  637.403836]  ? pvclock_read_flags+0x160/0x160
[  637.408334]  ? lapic_next_event+0x5a/0x90
[  637.412488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.418033]  ? kvm_clock_read+0x18/0x30
[  637.422009]  ? kvm_sched_clock_read+0x9/0x20
[  637.426421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.431960]  ? check_preemption_disabled+0x48/0x280
[  637.436992]  irq_exit+0x17f/0x1c0
[  637.440451]  smp_apic_timer_interrupt+0x1cb/0x760
[  637.445297]  ? smp_reschedule_interrupt+0x109/0x650
[  637.450315]  ? smp_call_function_single_interrupt+0x650/0x650
[  637.456204]  ? interrupt_entry+0xb5/0xc0
[  637.460278]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.465294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.470311]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.475158]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.480196]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.485230]  ? task_prio+0x50/0x50
[  637.488775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.494316]  ? check_preemption_disabled+0x48/0x280
[  637.499343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.504207]  apic_timer_interrupt+0xf/0x20
[  637.508447]  </IRQ>
[  637.510687] RIP: 0010:dump_stack+0x358/0x39d
[  637.515098] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  637.533996] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  637.541703] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  637.548975] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  637.556251] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  637.563517] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  637.570785] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  637.578078]  ? dump_stack+0x34f/0x39d
[  637.581897]  ? dump_stack_print_info.cold.1+0x20/0x20
[  637.587095]  ? mark_held_locks+0x130/0x130
[  637.591329]  ? mark_held_locks+0x130/0x130
[  637.595660]  dump_header+0x27b/0xf72
[  637.599389]  ? pagefault_out_of_memory+0x197/0x197
[  637.604328]  ? __lock_acquire+0x62f/0x4c20
[  637.608568]  ? percpu_ref_get_many+0x240/0x240
[  637.613153]  ? print_usage_bug+0xc0/0xc0
[  637.617234]  ? zap_class+0x640/0x640
[  637.620951]  ? print_usage_bug+0xc0/0xc0
[  637.625015]  ? print_usage_bug+0xc0/0xc0
[  637.629079]  ? zap_class+0x640/0x640
[  637.632798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.638344]  ? find_held_lock+0x36/0x1c0
[  637.642421]  ? mark_held_locks+0xc7/0x130
[  637.646576]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  637.651683]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  637.656789]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  637.661378]  ? trace_hardirqs_on+0xbd/0x310
[  637.665702]  ? kasan_check_read+0x11/0x20
[  637.669853]  ? ___ratelimit+0x3b4/0x672
[  637.673831]  ? trace_hardirqs_off_caller+0x310/0x310
[  637.678959]  ? trace_hardirqs_on+0x310/0x310
[  637.683717]  ? lock_downgrade+0x900/0x900
[  637.687885]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  637.692989]  ? ___ratelimit+0x3b9/0x672
[  637.696964]  ? idr_get_free+0xf70/0xf70
[  637.700938]  ? find_held_lock+0x36/0x1c0
[  637.705010]  oom_kill_process.cold.27+0x10/0x903
[  637.709774]  ? zap_class+0x640/0x640
[  637.713489]  ? check_preemption_disabled+0x48/0x280
[  637.718512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  637.723662]  ? kasan_check_read+0x11/0x20
[  637.727816]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.733099]  ? oom_evaluate_task+0x540/0x540
[  637.737516]  ? find_held_lock+0x36/0x1c0
[  637.741591]  ? out_of_memory+0x974/0x1430
[  637.745745]  ? lock_downgrade+0x900/0x900
[  637.749893]  ? check_preemption_disabled+0x48/0x280
[  637.754918]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  637.759849]  ? kasan_check_read+0x11/0x20
[  637.764003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.769463]  ? rcu_softirq_qs+0x20/0x20
[  637.773448]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.778985]  ? oom_evaluate_task+0x302/0x540
[  637.783399]  out_of_memory+0xa84/0x1430
[  637.787385]  ? oom_killer_disable+0x3a0/0x3a0
[  637.791887]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  637.796822]  ? __ww_mutex_check_waiters+0x160/0x160
[  637.801855]  __alloc_pages_slowpath+0x2354/0x2e10
[  637.806733]  ? warn_alloc+0x120/0x120
[  637.810557]  ? mark_held_locks+0x130/0x130
[  637.814808]  ? find_get_entry+0xaae/0x1120
[  637.819058]  ? filemap_map_pages+0x1a20/0x1a20
[  637.823650]  ? zap_class+0x640/0x640
[  637.827376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.832916]  ? check_preemption_disabled+0x48/0x280
[  637.837935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.843474]  ? should_fail+0x22d/0xd01
[  637.847366]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.852471]  ? zap_class+0x640/0x640
[  637.856218]  ? __lock_is_held+0xb5/0x140
[  637.860297]  ? mark_held_locks+0x130/0x130
[  637.864534]  ? lock_release+0xa00/0xa00
[  637.868512]  ? perf_trace_sched_process_exec+0x860/0x860
[  637.873964]  ? xa_load+0x2ba/0x460
[  637.877511]  ? lock_downgrade+0x900/0x900
[  637.881666]  ? __might_sleep+0x95/0x190
[  637.885648]  __alloc_pages_nodemask+0xa80/0xde0
[  637.890332]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  637.895351]  ? __page_cache_alloc+0x191/0x5c0
[  637.899848]  ? xa_load+0x2e1/0x460
[  637.903392]  ? xa_clear_mark+0x40/0x40
[  637.907283]  ? zap_class+0x640/0x640
[  637.911003]  ? zap_class+0x640/0x640
[  637.914716]  ? zap_class+0x640/0x640
[  637.918449]  ? __do_page_cache_readahead+0x663/0x810
[  637.923565]  ? find_held_lock+0x36/0x1c0
[  637.927635]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  637.933182]  alloc_pages_current+0x173/0x350
[  637.937600]  __page_cache_alloc+0x38c/0x5c0
[  637.941919]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  637.946850]  ? kasan_check_read+0x11/0x20
[  637.951002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.956284]  ? generic_perform_write+0x6a0/0x6a0
[  637.961042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.966588]  ? check_preemption_disabled+0x48/0x280
[  637.971640]  filemap_fault+0x1595/0x25f0
[  637.975723]  ? __lock_page_or_retry+0xa00/0xa00
[  637.980405]  ? mark_held_locks+0x130/0x130
[  637.984654]  ? filemap_map_pages+0xd6b/0x1a20
[  637.989152]  ? lock_downgrade+0x900/0x900
[  637.993305]  ? check_preemption_disabled+0x48/0x280
[  637.998332]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.003263]  ? kasan_check_read+0x11/0x20
[  638.007413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.012690]  ? rcu_softirq_qs+0x20/0x20
[  638.016682]  ? filemap_map_pages+0xd92/0x1a20
[  638.021185]  ? print_usage_bug+0xc0/0xc0
[  638.025257]  ? find_get_entries_tag+0x1400/0x1400
[  638.030106]  ? __kasan_slab_free+0x102/0x150
[  638.034515]  ? kasan_slab_free+0xe/0x10
[  638.038507]  ? kmem_cache_free+0x83/0x290
[  638.042656]  ? __sigqueue_free.part.29+0x74/0x90
[  638.047438]  ? lock_acquire+0x1ed/0x520
[  638.051414]  ? ext4_filemap_fault+0x7a/0xad
[  638.055755]  ? lock_release+0xa00/0xa00
[  638.059762]  ? perf_trace_sched_process_exec+0x860/0x860
[  638.065238]  ? print_usage_bug+0xc0/0xc0
[  638.069308]  ? print_usage_bug+0xc0/0xc0
[  638.073402]  ? down_read+0x8d/0x120
[  638.077034]  ? ext4_filemap_fault+0x7a/0xad
[  638.081369]  ? __down_interruptible+0x700/0x700
[  638.086054]  ext4_filemap_fault+0x82/0xad
[  638.090205]  __do_fault+0x100/0x6b0
[  638.093851]  ? pmd_devmap_trans_unstable+0x220/0x220
[  638.098966]  ? mark_held_locks+0x130/0x130
[  638.103206]  ? mark_held_locks+0x130/0x130
[  638.107463]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  638.113019]  ? rcu_pm_notify+0xc0/0xc0
[  638.116925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.122482]  __handle_mm_fault+0x3ea6/0x5be0
[  638.126912]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  638.131768]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.136274]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  638.140864]  ? trace_hardirqs_on+0xbd/0x310
[  638.145186]  ? kasan_check_read+0x11/0x20
[  638.149339]  ? __set_current_blocked+0xdf/0x120
[  638.154013]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.159133]  ? zap_class+0x640/0x640
[  638.162848]  ? zap_class+0x640/0x640
[  638.166569]  ? find_held_lock+0x36/0x1c0
[  638.170644]  ? handle_mm_fault+0x42a/0xc70
[  638.174912]  ? lock_downgrade+0x900/0x900
[  638.179061]  ? check_preemption_disabled+0x48/0x280
[  638.184083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.189015]  ? kasan_check_read+0x11/0x20
[  638.193166]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.198442]  ? rcu_softirq_qs+0x20/0x20
[  638.202420]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.207528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.213073]  ? check_preemption_disabled+0x48/0x280
[  638.218105]  handle_mm_fault+0x54f/0xc70
[  638.222171]  ? __handle_mm_fault+0x5be0/0x5be0
[  638.226765]  ? find_vma+0x34/0x190
[  638.230313]  __do_page_fault+0x5e8/0xe60
[  638.234381]  ? exit_to_usermode_loop+0x1f4/0x380
[  638.239149]  do_page_fault+0xf2/0x7e0
[  638.242954]  ? vmalloc_sync_all+0x30/0x30
[  638.247109]  ? error_entry+0x70/0xd0
[  638.250829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.255849]  ? trace_hardirqs_on_caller+0xc0/0x310
[  638.260789]  ? syscall_return_slowpath+0x5e0/0x5e0
[  638.265725]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.270605]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.275622]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  638.281086]  ? prepare_exit_to_usermode+0x291/0x3b0
[  638.286102]  ? page_fault+0x8/0x30
[  638.289648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.294493]  ? page_fault+0x8/0x30
[  638.298046]  page_fault+0x1e/0x30
[  638.301503] RIP: 0033:0x45db60
[  638.304707] Code: Bad RIP value.
[  638.308070] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  638.313437] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  638.320711] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  638.327982] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  638.335258] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  638.342529] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  638.349833] warn_alloc_show_mem: 1 callbacks suppressed
[  638.349846] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  638.349848] Mem-Info:
[  638.349881] active_anon:45842 inactive_anon:131 isolated_anon:0
[  638.349881]  active_file:10 inactive_file:14 isolated_file:0
[  638.349881]  unevictable:0 dirty:0 writeback:0 unstable:0
[  638.349881]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  638.349881]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  638.349881]  free:13767 free_pcp:218 free_cma:0
[  638.355244] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  638.362178] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  638.364578] Call Trace:
[  638.397453] 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
[  638.406802]  <IRQ>
[  638.434299] lowmem_reserve[]: 0 2818 6321 6321
[  638.436905]  dump_stack+0x244/0x39d
[  638.462986] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  638.465143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  638.469694] lowmem_reserve[]: 0 0 3503 3503
[  638.473327]  warn_alloc.cold.116+0xb7/0x1bd
[  638.500627] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  638.505820]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  638.510111] lowmem_reserve[]: 0 0 0 0
[  638.514435]  ? lock_downgrade+0x900/0x900
[  638.543302] 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
[  638.548151]  ? trace_hardirqs_off+0xb8/0x310
[  638.551919] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  638.556069]  ? trace_hardirqs_off+0xb8/0x310
[  638.569565] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  638.573979]  __alloc_pages_slowpath+0x26e8/0x2e10
[  638.589220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  638.593660]  ? warn_alloc+0x120/0x120
[  638.608442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  638.613281]  ? warn_alloc+0x120/0x120
[  638.622088] 162 total pagecache pages
[  638.625888]  ? warn_alloc+0x120/0x120
[  638.634440] 0 pages in swap cache
[  638.638246]  ? print_usage_bug+0xc0/0xc0
[  638.642014] Swap cache stats: add 0, delete 0, find 0/0
[  638.645804]  ? print_usage_bug+0xc0/0xc0
[  638.649245] Free swap  = 0kB
[  638.653299]  ? print_usage_bug+0xc0/0xc0
[  638.658639] Total swap = 0kB
[  638.658648] 1965979 pages RAM
[  638.662717]  ? print_usage_bug+0xc0/0xc0
[  638.665713] 0 pages HighMem/MovableOnly
[  638.669788]  ? idle_cpu+0x1d0/0x1d0
[  638.672782] 342855 pages reserved
[  638.675886]  ? kvm_sched_clock_read+0x9/0x20
[  638.679935] 0 pages cma reserved
[  638.683910]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.687571] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  638.690961]  ? should_fail+0x22d/0xd01
[  638.695451] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  638.698708]  ? print_usage_bug+0xc0/0xc0
[  638.704222] syz-fuzzer cpuset=/ mems_allowed=0
[  638.710721]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.738510]  ? __lock_acquire+0x62f/0x4c20
[  638.742757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.747859]  ? should_fail+0x22d/0xd01
[  638.751748]  ? __lock_acquire+0x62f/0x4c20
[  638.755997]  ? mark_held_locks+0x130/0x130
[  638.760249]  ? mark_held_locks+0x130/0x130
[  638.764486]  ? mark_held_locks+0x130/0x130
[  638.768728]  ? zap_class+0x640/0x640
[  638.772445]  ? mark_held_locks+0x130/0x130
[  638.776688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.782241]  ? check_preemption_disabled+0x48/0x280
[  638.787280]  ? __lock_is_held+0xb5/0x140
[  638.791352]  __alloc_pages_nodemask+0xa80/0xde0
[  638.796021]  ? zap_class+0x640/0x640
[  638.799744]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  638.804777]  ? find_held_lock+0x36/0x1c0
[  638.808848]  ? ____cache_alloc_node+0x1c7/0x1e0
[  638.813518]  ? lock_downgrade+0x900/0x900
[  638.817676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.823220]  cache_grow_begin+0xa5/0x8c0
[  638.827301]  ? do_raw_spin_unlock+0xa7/0x330
[  638.831718]  fallback_alloc+0x204/0x2e0
[  638.835701]  ____cache_alloc_node+0x1c7/0x1e0
[  638.840205]  kmem_cache_alloc_node+0xe3/0x730
[  638.844716]  ? lockdep_hardirqs_on+0x296/0x5b0
[  638.849310]  __alloc_skb+0x119/0x770
[  638.853026]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  638.858782]  ? netdev_alloc_frag+0x1f0/0x1f0
[  638.863196]  ? lock_acquire+0x1ed/0x520
[  638.867248]  ? aoecmd_cfg+0x108/0x7f0
[  638.871056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.876595]  ? check_preemption_disabled+0x48/0x280
[  638.881621]  ? kasan_check_read+0x11/0x20
[  638.885771]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.891047]  ? rcu_softirq_qs+0x20/0x20
[  638.895021]  ? do_raw_spin_trylock+0x270/0x270
[  638.899607]  new_skb+0x26/0x1c0
[  638.902887]  aoecmd_cfg+0x279/0x7f0
[  638.906519]  ? find_held_lock+0x36/0x1c0
[  638.910580]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  638.914908]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.920449]  ? check_preemption_disabled+0x48/0x280
[  638.925474]  ? __lock_is_held+0xb5/0x140
[  638.929545]  discover_timer+0x50/0x60
[  638.933347]  call_timer_fn+0x272/0x920
[  638.937245]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  638.942091]  ? process_timeout+0x40/0x40
[  638.946158]  ? __run_timers+0x7da/0xc70
[  638.950135]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.954634]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.959131]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  638.963971]  ? lockdep_hardirqs_on+0x296/0x5b0
[  638.968558]  ? trace_hardirqs_on+0xbd/0x310
[  638.972882]  ? kasan_check_read+0x11/0x20
[  638.977026]  ? __run_timers+0x7da/0xc70
[  638.981005]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.986126]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  638.990971]  __run_timers+0x7e5/0xc70
[  638.994784]  ? timer_fixup_init+0x70/0x70
[  638.998938]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  639.003954]  ? zap_class+0x640/0x640
[  639.007673]  ? enqueue_hrtimer+0x1a5/0x560
[  639.011911]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  639.017109]  ? find_held_lock+0x36/0x1c0
[  639.021175]  ? zap_class+0x640/0x640
[  639.024892]  ? pvclock_read_flags+0x160/0x160
[  639.029389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.034931]  ? check_preemption_disabled+0x48/0x280
[  639.039960]  ? __lock_is_held+0xb5/0x140
[  639.044026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.049563]  ? check_preemption_disabled+0x48/0x280
[  639.054587]  run_timer_softirq+0x52/0xb0
[  639.058653]  ? rcu_read_lock_sched_held+0x14f/0x180
[  639.063671]  __do_softirq+0x308/0xb7e
[  639.067479]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  639.071977]  ? lock_downgrade+0x900/0x900
[  639.076130]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  639.081253]  ? pvclock_read_flags+0x160/0x160
[  639.085756]  ? lapic_next_event+0x5a/0x90
[  639.089905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.095449]  ? kvm_clock_read+0x18/0x30
[  639.099422]  ? kvm_sched_clock_read+0x9/0x20
[  639.103831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.109370]  ? check_preemption_disabled+0x48/0x280
[  639.114395]  irq_exit+0x17f/0x1c0
[  639.117849]  smp_apic_timer_interrupt+0x1cb/0x760
[  639.122688]  ? smp_call_function_single_interrupt+0x159/0x650
[  639.128572]  ? smp_call_function_single_interrupt+0x650/0x650
[  639.134459]  ? interrupt_entry+0xb5/0xc0
[  639.138526]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.143542]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.148566]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.153407]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.158420]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.163441]  ? task_prio+0x50/0x50
[  639.166988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.172527]  ? check_preemption_disabled+0x48/0x280
[  639.177553]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.182408]  apic_timer_interrupt+0xf/0x20
[  639.186635]  </IRQ>
[  639.188877] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  639.193808] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  639.212711] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  639.220415] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  639.227686] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  639.234953] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  639.242220] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  639.249504] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  639.256823]  skb_clone+0x1bb/0x500
[  639.260365]  ? finish_task_switch+0x2f4/0x910
[  639.264861]  ? skb_split+0x11e0/0x11e0
[  639.268749]  ? preempt_notifier_register+0x200/0x200
[  639.273854]  ? __switch_to_asm+0x34/0x70
[  639.277920]  ? __switch_to_asm+0x34/0x70
[  639.281987]  ? __switch_to_asm+0x40/0x70
[  639.286050]  ? __switch_to_asm+0x34/0x70
[  639.290107]  ? __switch_to_asm+0x40/0x70
[  639.294167]  ? __switch_to_asm+0x34/0x70
[  639.298244]  ? __switch_to_asm+0x40/0x70
[  639.302307]  ? __switch_to_asm+0x34/0x70
[  639.306380]  ? __switch_to_asm+0x34/0x70
[  639.310442]  ? __switch_to_asm+0x40/0x70
[  639.314501]  ? __switch_to_asm+0x34/0x70
[  639.318572]  bpf_clone_redirect+0xb9/0x490
[  639.322810]  ? __schedule+0x8d7/0x21d0
[  639.326706]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  639.331809]  ? __sched_text_start+0x8/0x8
[  639.335961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  639.340567]  ? retint_kernel+0x2d/0x2d
[  639.344470]  ? trace_hardirqs_on_caller+0xc0/0x310
[  639.349403]  ? find_held_lock+0x36/0x1c0
[  639.353477]  ? lock_acquire+0x1ed/0x520
[  639.357452]  ? bpf_test_run+0x3cb/0x780
[  639.361430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.366973]  ? check_preemption_disabled+0x48/0x280
[  639.371997]  ? kasan_check_read+0x11/0x20
[  639.376145]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.381422]  ? rcu_softirq_qs+0x20/0x20
[  639.385398]  ? preempt_schedule+0x4d/0x60
[  639.389551]  ? ___preempt_schedule+0x16/0x18
[  639.393966]  ? bpf_test_run+0x25d/0x780
[  639.397955]  ? netlink_diag_dump+0x2a0/0x2a0
[  639.402373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.407919]  ? bpf_test_init.isra.10+0x70/0x100
[  639.412602]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  639.417388]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  639.422243]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  639.427783]  ? fput+0x130/0x1a0
[  639.431068]  ? __bpf_prog_get+0x9b/0x290
[  639.435131]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  639.439969]  ? bpf_prog_test_run+0x130/0x1a0
[  639.444381]  ? __x64_sys_bpf+0x3d8/0x520
[  639.448442]  ? bpf_prog_get+0x20/0x20
[  639.452277]  ? do_syscall_64+0x1b9/0x820
[  639.456341]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  639.461707]  ? syscall_return_slowpath+0x5e0/0x5e0
[  639.466640]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.471657]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  639.476676]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  639.483343]  ? __switch_to_asm+0x40/0x70
[  639.487405]  ? __switch_to_asm+0x34/0x70
[  639.491472]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.496324]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  639.501707] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  639.501801] aoe: skb alloc failure
[  639.508298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  639.508303] Call Trace:
[  639.508310]  <IRQ>
[  639.508328]  dump_stack+0x244/0x39d
[  639.508347]  ? dump_stack_print_info.cold.1+0x20/0x20
[  639.511894] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  639.521258]  warn_alloc.cold.116+0xb7/0x1bd
[  639.523818] syz-executor3 cpuset=syz3 mems_allowed=0
[  639.525961]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  639.559432]  ? lock_downgrade+0x900/0x900
[  639.563590]  ? trace_hardirqs_off+0xb8/0x310
[  639.568011]  ? trace_hardirqs_off+0xb8/0x310
[  639.572431]  __alloc_pages_slowpath+0x26e8/0x2e10
[  639.577308]  ? warn_alloc+0x120/0x120
[  639.581116]  ? print_usage_bug+0xc0/0xc0
[  639.585177]  ? warn_alloc+0x120/0x120
[  639.588987]  ? warn_alloc+0x120/0x120
[  639.592794]  ? print_usage_bug+0xc0/0xc0
[  639.596861]  ? print_usage_bug+0xc0/0xc0
[  639.600928]  ? __lock_acquire+0x62f/0x4c20
[  639.605173]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.610713]  ? should_fail+0x22d/0xd01
[  639.614609]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.619716]  ? __lock_acquire+0x62f/0x4c20
[  639.623960]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.629065]  ? __lock_acquire+0x62f/0x4c20
[  639.633295]  ? should_fail+0x22d/0xd01
[  639.637194]  ? mark_held_locks+0x130/0x130
[  639.641442]  ? mark_held_locks+0x130/0x130
[  639.645678]  ? zap_class+0x640/0x640
[  639.649402]  ? zap_class+0x640/0x640
[  639.653120]  ? print_usage_bug+0xc0/0xc0
[  639.657182]  ? wq_watchdog_touch+0x9c/0xfe
[  639.661419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.666961]  ? check_preemption_disabled+0x48/0x280
[  639.671987]  ? __lock_is_held+0xb5/0x140
[  639.676057]  __alloc_pages_nodemask+0xa80/0xde0
[  639.680726]  ? zap_class+0x640/0x640
[  639.684449]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  639.689481]  ? find_held_lock+0x36/0x1c0
[  639.693581]  ? ____cache_alloc_node+0x1c7/0x1e0
[  639.698259]  ? lock_downgrade+0x900/0x900
[  639.702416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.707958]  cache_grow_begin+0xa5/0x8c0
[  639.712017]  ? do_raw_spin_unlock+0xa7/0x330
[  639.716434]  fallback_alloc+0x204/0x2e0
[  639.720420]  ____cache_alloc_node+0x1c7/0x1e0
[  639.725119]  kmem_cache_alloc_node+0xe3/0x730
[  639.729615]  ? ipv6_get_ifaddr+0x42e/0x620
[  639.733862]  __alloc_skb+0x119/0x770
[  639.737577]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.742860]  ? netdev_alloc_frag+0x1f0/0x1f0
[  639.747274]  ? lock_downgrade+0x900/0x900
[  639.751431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.756972]  ? refcount_sub_and_test_checked+0x203/0x310
[  639.762426]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  639.767878]  ? addrconf_rs_timer+0x690/0x690
[  639.772303]  ndisc_alloc_skb+0x144/0x340
[  639.776371]  ndisc_send_rs+0x331/0x6e0
[  639.780269]  addrconf_rs_timer+0x314/0x690
[  639.784514]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.788767]  call_timer_fn+0x272/0x920
[  639.792746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.796981]  ? process_timeout+0x40/0x40
[  639.801052]  ? mark_held_locks+0xc7/0x130
[  639.805210]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.809712]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.814218]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.818463]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.823050]  ? trace_hardirqs_on+0xbd/0x310
[  639.827390]  ? kasan_check_read+0x11/0x20
[  639.831540]  ? __run_timers+0x7da/0xc70
[  639.835518]  ? trace_hardirqs_off_caller+0x310/0x310
[  639.840637]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  639.844874]  __run_timers+0x7e5/0xc70
[  639.848686]  ? timer_fixup_init+0x70/0x70
[  639.853011]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  639.858034]  ? zap_class+0x640/0x640
[  639.861758]  ? print_usage_bug+0xc0/0xc0
[  639.865822]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  639.871022]  ? find_held_lock+0x36/0x1c0
[  639.875091]  ? zap_class+0x640/0x640
[  639.878815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.884356]  ? check_preemption_disabled+0x48/0x280
[  639.889382]  ? __lock_is_held+0xb5/0x140
[  639.893444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.898982]  ? check_preemption_disabled+0x48/0x280
[  639.904002]  run_timer_softirq+0x52/0xb0
[  639.908068]  ? rcu_read_lock_sched_held+0x14f/0x180
[  639.913089]  __do_softirq+0x308/0xb7e
[  639.916892]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  639.921391]  ? lock_downgrade+0x900/0x900
[  639.925547]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  639.930664]  ? pvclock_read_flags+0x160/0x160
[  639.935165]  ? lapic_next_event+0x5a/0x90
[  639.939319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.944862]  ? kvm_clock_read+0x18/0x30
[  639.948841]  ? kvm_sched_clock_read+0x9/0x20
[  639.953256]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.958799]  ? check_preemption_disabled+0x48/0x280
[  639.963830]  irq_exit+0x17f/0x1c0
[  639.967285]  smp_apic_timer_interrupt+0x1cb/0x760
[  639.972127]  ? smp_reschedule_interrupt+0x109/0x650
[  639.977148]  ? smp_call_function_single_interrupt+0x650/0x650
[  639.983035]  ? interrupt_entry+0xb5/0xc0
[  639.987102]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.992119]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.997141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.001989]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.007009]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.012032]  ? task_prio+0x50/0x50
[  640.015575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.021116]  ? check_preemption_disabled+0x48/0x280
[  640.026140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.030997]  apic_timer_interrupt+0xf/0x20
[  640.035233]  </IRQ>
[  640.037476] RIP: 0010:dump_stack+0x358/0x39d
[  640.041887] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  640.060786] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  640.068492] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  640.075764] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  640.083035] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  640.090301] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  640.097570] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  640.104869]  ? dump_stack+0x34f/0x39d
[  640.108690]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.113888]  ? mark_held_locks+0x130/0x130
[  640.118121]  ? mark_held_locks+0x130/0x130
[  640.122365]  dump_header+0x27b/0xf72
[  640.126091]  ? pagefault_out_of_memory+0x197/0x197
[  640.131028]  ? __lock_acquire+0x62f/0x4c20
[  640.135266]  ? percpu_ref_get_many+0x240/0x240
[  640.139853]  ? print_usage_bug+0xc0/0xc0
[  640.143921]  ? zap_class+0x640/0x640
[  640.147640]  ? print_usage_bug+0xc0/0xc0
[  640.151724]  ? print_usage_bug+0xc0/0xc0
[  640.155793]  ? zap_class+0x640/0x640
[  640.159511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.165053]  ? find_held_lock+0x36/0x1c0
[  640.169123]  ? mark_held_locks+0xc7/0x130
[  640.173277]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.178384]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  640.183490]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  640.188075]  ? trace_hardirqs_on+0xbd/0x310
[  640.192397]  ? kasan_check_read+0x11/0x20
[  640.196548]  ? ___ratelimit+0x3b4/0x672
[  640.200529]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.205646]  ? trace_hardirqs_on+0x310/0x310
[  640.210062]  ? lock_downgrade+0x900/0x900
[  640.214223]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  640.219338]  ? ___ratelimit+0x3b9/0x672
[  640.223317]  ? idr_get_free+0xf70/0xf70
[  640.227291]  ? find_held_lock+0x36/0x1c0
[  640.231370]  oom_kill_process.cold.27+0x10/0x903
[  640.236133]  ? zap_class+0x640/0x640
[  640.239849]  ? check_preemption_disabled+0x48/0x280
[  640.244870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.249800]  ? kasan_check_read+0x11/0x20
[  640.253949]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.259244]  ? oom_evaluate_task+0x540/0x540
[  640.263664]  ? find_held_lock+0x36/0x1c0
[  640.267735]  ? out_of_memory+0x974/0x1430
[  640.271893]  ? lock_downgrade+0x900/0x900
[  640.276041]  ? check_preemption_disabled+0x48/0x280
[  640.281065]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.285995]  ? kasan_check_read+0x11/0x20
[  640.290144]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.295422]  ? rcu_softirq_qs+0x20/0x20
[  640.299406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.304946]  ? oom_evaluate_task+0x302/0x540
[  640.309358]  out_of_memory+0xa84/0x1430
[  640.313348]  ? oom_killer_disable+0x3a0/0x3a0
[  640.317847]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  640.322786]  ? __ww_mutex_check_waiters+0x160/0x160
[  640.327820]  __alloc_pages_slowpath+0x2354/0x2e10
[  640.332708]  ? warn_alloc+0x120/0x120
[  640.336513]  ? mark_held_locks+0x130/0x130
[  640.340763]  ? find_get_entry+0xaae/0x1120
[  640.345010]  ? filemap_map_pages+0x1a20/0x1a20
[  640.349604]  ? zap_class+0x640/0x640
[  640.353331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.358879]  ? check_preemption_disabled+0x48/0x280
[  640.363906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.369451]  ? should_fail+0x22d/0xd01
[  640.373351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.378463]  ? zap_class+0x640/0x640
[  640.382211]  ? __lock_is_held+0xb5/0x140
[  640.386296]  ? mark_held_locks+0x130/0x130
[  640.390538]  ? lock_release+0xa00/0xa00
[  640.394515]  ? perf_trace_sched_process_exec+0x860/0x860
[  640.399968]  ? xa_load+0x2ba/0x460
[  640.403516]  ? lock_downgrade+0x900/0x900
[  640.407671]  ? __might_sleep+0x95/0x190
[  640.411654]  __alloc_pages_nodemask+0xa80/0xde0
[  640.416337]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  640.421357]  ? __page_cache_alloc+0x191/0x5c0
[  640.425856]  ? xa_load+0x2e1/0x460
[  640.429401]  ? xa_clear_mark+0x40/0x40
[  640.433299]  ? zap_class+0x640/0x640
[  640.437027]  ? zap_class+0x640/0x640
[  640.440747]  ? zap_class+0x640/0x640
[  640.444464]  ? __do_page_cache_readahead+0x663/0x810
[  640.449579]  ? find_held_lock+0x36/0x1c0
[  640.453651]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  640.459198]  alloc_pages_current+0x173/0x350
[  640.463629]  __page_cache_alloc+0x38c/0x5c0
[  640.467949]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.472882]  ? kasan_check_read+0x11/0x20
[  640.477029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.482311]  ? generic_perform_write+0x6a0/0x6a0
[  640.487072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.492614]  ? check_preemption_disabled+0x48/0x280
[  640.497644]  filemap_fault+0x1595/0x25f0
[  640.501721]  ? __lock_page_or_retry+0xa00/0xa00
[  640.506399]  ? mark_held_locks+0x130/0x130
[  640.510645]  ? filemap_map_pages+0xd6b/0x1a20
[  640.515142]  ? lock_downgrade+0x900/0x900
[  640.519298]  ? check_preemption_disabled+0x48/0x280
[  640.524320]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.529259]  ? kasan_check_read+0x11/0x20
[  640.533413]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.538689]  ? rcu_softirq_qs+0x20/0x20
[  640.542683]  ? filemap_map_pages+0xd92/0x1a20
[  640.547185]  ? print_usage_bug+0xc0/0xc0
[  640.551258]  ? find_get_entries_tag+0x1400/0x1400
[  640.556103]  ? __kasan_slab_free+0x102/0x150
[  640.560510]  ? kasan_slab_free+0xe/0x10
[  640.564483]  ? kmem_cache_free+0x83/0x290
[  640.568632]  ? __sigqueue_free.part.29+0x74/0x90
[  640.573415]  ? lock_acquire+0x1ed/0x520
[  640.577390]  ? ext4_filemap_fault+0x7a/0xad
[  640.581743]  ? lock_release+0xa00/0xa00
[  640.585723]  ? perf_trace_sched_process_exec+0x860/0x860
[  640.591187]  ? print_usage_bug+0xc0/0xc0
[  640.595262]  ? print_usage_bug+0xc0/0xc0
[  640.599344]  ? down_read+0x8d/0x120
[  640.602972]  ? ext4_filemap_fault+0x7a/0xad
[  640.607306]  ? __down_interruptible+0x700/0x700
[  640.611988]  ext4_filemap_fault+0x82/0xad
[  640.616142]  __do_fault+0x100/0x6b0
[  640.619809]  ? pmd_devmap_trans_unstable+0x220/0x220
[  640.624916]  ? mark_held_locks+0x130/0x130
[  640.629155]  ? mark_held_locks+0x130/0x130
[  640.633392]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  640.638936]  ? rcu_pm_notify+0xc0/0xc0
[  640.642842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.648411]  __handle_mm_fault+0x3ea6/0x5be0
[  640.652835]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  640.657686]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.662187]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  640.666774]  ? trace_hardirqs_on+0xbd/0x310
[  640.671101]  ? kasan_check_read+0x11/0x20
[  640.675254]  ? __set_current_blocked+0xdf/0x120
[  640.679932]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.685057]  ? zap_class+0x640/0x640
[  640.688783]  ? zap_class+0x640/0x640
[  640.692509]  ? find_held_lock+0x36/0x1c0
[  640.696585]  ? handle_mm_fault+0x42a/0xc70
[  640.700836]  ? lock_downgrade+0x900/0x900
[  640.704986]  ? check_preemption_disabled+0x48/0x280
[  640.710009]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  640.714940]  ? kasan_check_read+0x11/0x20
[  640.719091]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.724367]  ? rcu_softirq_qs+0x20/0x20
[  640.728345]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.733455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.738998]  ? check_preemption_disabled+0x48/0x280
[  640.744025]  handle_mm_fault+0x54f/0xc70
[  640.748091]  ? __handle_mm_fault+0x5be0/0x5be0
[  640.752679]  ? find_vma+0x34/0x190
[  640.756240]  __do_page_fault+0x5e8/0xe60
[  640.760308]  ? exit_to_usermode_loop+0x1f4/0x380
[  640.765076]  do_page_fault+0xf2/0x7e0
[  640.768879]  ? vmalloc_sync_all+0x30/0x30
[  640.773031]  ? error_entry+0x70/0xd0
[  640.776754]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.781771]  ? trace_hardirqs_on_caller+0xc0/0x310
[  640.786703]  ? syscall_return_slowpath+0x5e0/0x5e0
[  640.791636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.796484]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.801497]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  640.806956]  ? prepare_exit_to_usermode+0x291/0x3b0
[  640.811974]  ? page_fault+0x8/0x30
[  640.815523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.820372]  ? page_fault+0x8/0x30
[  640.823912]  page_fault+0x1e/0x30
[  640.827366] RIP: 0033:0x45db60
[  640.830588] Code: Bad RIP value.
[  640.833948] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  640.839308] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  640.846573] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  640.854318] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  640.861583] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  640.868852] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  640.876148] warn_alloc_show_mem: 1 callbacks suppressed
[  640.876161] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  640.876163] Mem-Info:
[  640.876193] active_anon:45842 inactive_anon:131 isolated_anon:0
[  640.876193]  active_file:10 inactive_file:14 isolated_file:0
[  640.876193]  unevictable:0 dirty:0 writeback:0 unstable:0
[  640.876193]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  640.876193]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  640.876193]  free:13767 free_pcp:218 free_cma:0
[  640.881533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  640.888483] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  640.890881] Call Trace:
[  640.923760] 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
[  640.933118]  <IRQ>
[  640.960600] lowmem_reserve[]: 0 2818 6321 6321
[  640.963205]  dump_stack+0x244/0x39d
[  640.989297] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  640.991466]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.996011] lowmem_reserve[]: 0 0 3503 3503
[  640.999642]  warn_alloc.cold.116+0xb7/0x1bd
[  641.026946] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  641.032143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  641.036427] lowmem_reserve[]: 0 0 0 0
[  641.040757]  ? lock_downgrade+0x900/0x900
[  641.040780]  ? trace_hardirqs_off+0xb8/0x310
[  641.069670] 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
[  641.074525]  ? trace_hardirqs_off+0xb8/0x310
[  641.078294] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  641.082445]  __alloc_pages_slowpath+0x26e8/0x2e10
[  641.086819] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  641.100374]  ? warn_alloc+0x120/0x120
[  641.104746] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  641.120034]  ? warn_alloc+0x120/0x120
[  641.124859] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  641.139689]  ? __lock_acquire+0x62f/0x4c20
[  641.143465] 162 total pagecache pages
[  641.152305]  ? warn_alloc+0x120/0x120
[  641.156087] 0 pages in swap cache
[  641.164665]  ? print_usage_bug+0xc0/0xc0
[  641.168880] Swap cache stats: add 0, delete 0, find 0/0
[  641.172671]  ? print_usage_bug+0xc0/0xc0
[  641.176453] Free swap  = 0kB
[  641.179899]  ? mark_held_locks+0x130/0x130
[  641.183931] Total swap = 0kB
[  641.189296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.193328] 1965979 pages RAM
[  641.196341]  ? should_fail+0x22d/0xd01
[  641.200545] 0 pages HighMem/MovableOnly
[  641.200553] 342855 pages reserved
[  641.203569]  ? zap_class+0x640/0x640
[  641.209083] 0 pages cma reserved
[  641.212188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.216134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  641.220017]  ? __lock_acquire+0x62f/0x4c20
[  641.223503] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  641.227158]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.230500] syz-fuzzer cpuset=/ mems_allowed=0
[  641.235594]  ? should_fail+0x22d/0xd01
[  641.270042]  ? mark_held_locks+0x130/0x130
[  641.274283]  ? mark_held_locks+0x130/0x130
[  641.278518]  ? lock_downgrade+0x900/0x900
[  641.282669]  ? zap_class+0x640/0x640
[  641.286387]  ? zap_class+0x640/0x640
[  641.290101]  ? zap_class+0x640/0x640
[  641.293818]  ? do_raw_spin_unlock+0xa7/0x330
[  641.298244]  ? trace_hardirqs_on+0x310/0x310
[  641.302658]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.308198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.313750]  ? check_preemption_disabled+0x48/0x280
[  641.318780]  ? __lock_is_held+0xb5/0x140
[  641.322852]  __alloc_pages_nodemask+0xa80/0xde0
[  641.327540]  ? zap_class+0x640/0x640
[  641.331271]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  641.336303]  ? find_held_lock+0x36/0x1c0
[  641.340377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  641.345048]  ? lock_downgrade+0x900/0x900
[  641.349210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.354766]  cache_grow_begin+0xa5/0x8c0
[  641.358835]  ? do_raw_spin_unlock+0xa7/0x330
[  641.363262]  fallback_alloc+0x204/0x2e0
[  641.367257]  ____cache_alloc_node+0x1c7/0x1e0
[  641.371759]  kmem_cache_alloc_node+0xe3/0x730
[  641.376272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  641.380861]  __alloc_skb+0x119/0x770
[  641.384578]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  641.389946]  ? netdev_alloc_frag+0x1f0/0x1f0
[  641.394363]  ? vprintk_default+0x28/0x30
[  641.398426]  ? vprintk_func+0x85/0x181
[  641.402319]  ? printk+0xa7/0xcf
[  641.405599]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  641.410375]  ? do_raw_spin_trylock+0x270/0x270
[  641.414962]  new_skb+0x26/0x1c0
[  641.418257]  aoecmd_cfg+0x279/0x7f0
[  641.421887]  ? find_held_lock+0x36/0x1c0
[  641.425949]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  641.430278]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.435826]  ? __lock_is_held+0xb5/0x140
[  641.439900]  discover_timer+0x50/0x60
[  641.443705]  call_timer_fn+0x272/0x920
[  641.447590]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.452438]  ? process_timeout+0x40/0x40
[  641.456509]  ? __run_timers+0x7da/0xc70
[  641.460489]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.464989]  ? _raw_spin_unlock_irq+0x27/0x80
[  641.469482]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.474328]  ? lockdep_hardirqs_on+0x296/0x5b0
[  641.478918]  ? trace_hardirqs_on+0xbd/0x310
[  641.483251]  ? kasan_check_read+0x11/0x20
[  641.487397]  ? __run_timers+0x7da/0xc70
[  641.491378]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.496499]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  641.501343]  __run_timers+0x7e5/0xc70
[  641.505155]  ? timer_fixup_init+0x70/0x70
[  641.509305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  641.514323]  ? zap_class+0x640/0x640
[  641.518048]  ? enqueue_hrtimer+0x1a5/0x560
[  641.522289]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  641.527488]  ? find_held_lock+0x36/0x1c0
[  641.531555]  ? zap_class+0x640/0x640
[  641.535274]  ? pvclock_read_flags+0x160/0x160
[  641.539774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.545314]  ? check_preemption_disabled+0x48/0x280
[  641.550340]  ? __lock_is_held+0xb5/0x140
[  641.554403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.559964]  ? check_preemption_disabled+0x48/0x280
[  641.564986]  run_timer_softirq+0x52/0xb0
[  641.569046]  ? rcu_read_lock_sched_held+0x14f/0x180
[  641.574062]  __do_softirq+0x308/0xb7e
[  641.577864]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  641.582363]  ? lock_downgrade+0x900/0x900
[  641.586515]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  641.591626]  ? pvclock_read_flags+0x160/0x160
[  641.596127]  ? lapic_next_event+0x5a/0x90
[  641.600276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.605819]  ? kvm_clock_read+0x18/0x30
[  641.609792]  ? kvm_sched_clock_read+0x9/0x20
[  641.614201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.619758]  ? check_preemption_disabled+0x48/0x280
[  641.624791]  irq_exit+0x17f/0x1c0
[  641.628271]  smp_apic_timer_interrupt+0x1cb/0x760
[  641.633115]  ? smp_call_function_single_interrupt+0x159/0x650
[  641.639002]  ? smp_call_function_single_interrupt+0x650/0x650
[  641.644887]  ? interrupt_entry+0xb5/0xc0
[  641.648954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.653969]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.658993]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.663840]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.668857]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.673879]  ? task_prio+0x50/0x50
[  641.677427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.682967]  ? check_preemption_disabled+0x48/0x280
[  641.687991]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.692847]  apic_timer_interrupt+0xf/0x20
[  641.697073]  </IRQ>
[  641.699312] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  641.704252] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  641.723644] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  641.731358] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  641.738625] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  641.745892] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  641.753161] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  641.760430] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  641.767747]  skb_clone+0x1bb/0x500
[  641.771296]  ? finish_task_switch+0x2f4/0x910
[  641.775794]  ? skb_split+0x11e0/0x11e0
[  641.779685]  ? preempt_notifier_register+0x200/0x200
[  641.784791]  ? __switch_to_asm+0x34/0x70
[  641.788851]  ? __switch_to_asm+0x34/0x70
[  641.792919]  ? __switch_to_asm+0x40/0x70
[  641.796981]  ? __switch_to_asm+0x34/0x70
[  641.801046]  ? __switch_to_asm+0x40/0x70
[  641.805111]  ? __switch_to_asm+0x34/0x70
[  641.809176]  ? __switch_to_asm+0x40/0x70
[  641.813251]  ? __switch_to_asm+0x34/0x70
[  641.817323]  ? __switch_to_asm+0x34/0x70
[  641.821383]  ? __switch_to_asm+0x40/0x70
[  641.825446]  ? __switch_to_asm+0x34/0x70
[  641.829518]  bpf_clone_redirect+0xb9/0x490
[  641.833754]  ? __schedule+0x8d7/0x21d0
[  641.837648]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  641.842667]  ? __sched_text_start+0x8/0x8
[  641.846823]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  641.851410]  ? retint_kernel+0x2d/0x2d
[  641.855301]  ? trace_hardirqs_on_caller+0xc0/0x310
[  641.860253]  ? find_held_lock+0x36/0x1c0
[  641.864329]  ? lock_acquire+0x1ed/0x520
[  641.868306]  ? bpf_test_run+0x3cb/0x780
[  641.872288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.877850]  ? check_preemption_disabled+0x48/0x280
[  641.882876]  ? kasan_check_read+0x11/0x20
[  641.887025]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.892310]  ? rcu_softirq_qs+0x20/0x20
[  641.896294]  ? preempt_schedule+0x4d/0x60
[  641.900446]  ? ___preempt_schedule+0x16/0x18
[  641.904867]  ? bpf_test_run+0x25d/0x780
[  641.908853]  ? netlink_diag_dump+0x2a0/0x2a0
[  641.913278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.918818]  ? bpf_test_init.isra.10+0x70/0x100
[  641.923495]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  641.928277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  641.933125]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  641.938665]  ? fput+0x130/0x1a0
[  641.941948]  ? __bpf_prog_get+0x9b/0x290
[  641.946015]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  641.950860]  ? bpf_prog_test_run+0x130/0x1a0
[  641.955275]  ? __x64_sys_bpf+0x3d8/0x520
[  641.959337]  ? bpf_prog_get+0x20/0x20
[  641.963162]  ? do_syscall_64+0x1b9/0x820
[  641.967224]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  641.972612]  ? syscall_return_slowpath+0x5e0/0x5e0
[  641.977548]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.982567]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  641.987591]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  641.994275]  ? __switch_to_asm+0x40/0x70
[  641.998339]  ? __switch_to_asm+0x34/0x70
[  642.002408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.007275]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  642.012661] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  642.012731] aoe: skb alloc failure
[  642.019251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  642.019257] Call Trace:
[  642.019264]  <IRQ>
[  642.019285]  dump_stack+0x244/0x39d
[  642.019304]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.022857] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  642.032190]  warn_alloc.cold.116+0xb7/0x1bd
[  642.034750] syz-executor3 cpuset=syz3 mems_allowed=0
[  642.036898]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  642.070368]  ? lock_downgrade+0x900/0x900
[  642.074533]  ? trace_hardirqs_off+0xb8/0x310
[  642.078949]  ? trace_hardirqs_off+0xb8/0x310
[  642.083373]  __alloc_pages_slowpath+0x26e8/0x2e10
[  642.088259]  ? warn_alloc+0x120/0x120
[  642.092069]  ? print_usage_bug+0xc0/0xc0
[  642.096130]  ? warn_alloc+0x120/0x120
[  642.099935]  ? warn_alloc+0x120/0x120
[  642.103746]  ? print_usage_bug+0xc0/0xc0
[  642.107812]  ? print_usage_bug+0xc0/0xc0
[  642.111875]  ? __lock_acquire+0x62f/0x4c20
[  642.116122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.121661]  ? should_fail+0x22d/0xd01
[  642.125553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.130661]  ? __lock_acquire+0x62f/0x4c20
[  642.134899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.139999]  ? __lock_acquire+0x62f/0x4c20
[  642.144240]  ? should_fail+0x22d/0xd01
[  642.148134]  ? find_held_lock+0x36/0x1c0
[  642.152207]  ? mark_held_locks+0x130/0x130
[  642.156460]  ? mark_held_locks+0x130/0x130
[  642.160696]  ? zap_class+0x640/0x640
[  642.164414]  ? zap_class+0x640/0x640
[  642.168132]  ? print_usage_bug+0xc0/0xc0
[  642.172194]  ? do_raw_spin_unlock+0xa7/0x330
[  642.176612]  ? zap_class+0x640/0x640
[  642.180331]  ? print_usage_bug+0xc0/0xc0
[  642.184393]  ? wq_watchdog_touch+0x9c/0xfe
[  642.188638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.194178]  ? check_preemption_disabled+0x48/0x280
[  642.199213]  ? __lock_is_held+0xb5/0x140
[  642.203292]  __alloc_pages_nodemask+0xa80/0xde0
[  642.207962]  ? zap_class+0x640/0x640
[  642.211684]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  642.216714]  ? find_held_lock+0x36/0x1c0
[  642.220792]  ? ____cache_alloc_node+0x1c7/0x1e0
[  642.225469]  ? lock_downgrade+0x900/0x900
[  642.229627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.235176]  cache_grow_begin+0xa5/0x8c0
[  642.239244]  ? do_raw_spin_unlock+0xa7/0x330
[  642.243662]  fallback_alloc+0x204/0x2e0
[  642.247648]  ____cache_alloc_node+0x1c7/0x1e0
[  642.252152]  kmem_cache_alloc_node+0xe3/0x730
[  642.256653]  ? ipv6_get_ifaddr+0x42e/0x620
[  642.260901]  __alloc_skb+0x119/0x770
[  642.264614]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.269896]  ? netdev_alloc_frag+0x1f0/0x1f0
[  642.274311]  ? lock_downgrade+0x900/0x900
[  642.278469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.284005]  ? refcount_sub_and_test_checked+0x203/0x310
[  642.289463]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  642.294916]  ? addrconf_rs_timer+0x690/0x690
[  642.299339]  ndisc_alloc_skb+0x144/0x340
[  642.303411]  ndisc_send_rs+0x331/0x6e0
[  642.307306]  addrconf_rs_timer+0x314/0x690
[  642.311545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.315795]  call_timer_fn+0x272/0x920
[  642.319685]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.323917]  ? process_timeout+0x40/0x40
[  642.327990]  ? mark_held_locks+0xc7/0x130
[  642.332146]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.336642]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.341140]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.345375]  ? lockdep_hardirqs_on+0x296/0x5b0
[  642.349961]  ? trace_hardirqs_on+0xbd/0x310
[  642.354286]  ? kasan_check_read+0x11/0x20
[  642.358434]  ? __run_timers+0x7da/0xc70
[  642.362411]  ? trace_hardirqs_off_caller+0x310/0x310
[  642.367518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.371764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  642.375998]  __run_timers+0x7e5/0xc70
[  642.379814]  ? timer_fixup_init+0x70/0x70
[  642.383966]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.388988]  ? zap_class+0x640/0x640
[  642.392711]  ? print_usage_bug+0xc0/0xc0
[  642.396778]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  642.401975]  ? find_held_lock+0x36/0x1c0
[  642.406040]  ? zap_class+0x640/0x640
[  642.409769]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.415312]  ? check_preemption_disabled+0x48/0x280
[  642.420344]  ? __lock_is_held+0xb5/0x140
[  642.424413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.429961]  ? check_preemption_disabled+0x48/0x280
[  642.434987]  run_timer_softirq+0x52/0xb0
[  642.439049]  ? rcu_read_lock_sched_held+0x14f/0x180
[  642.444068]  __do_softirq+0x308/0xb7e
[  642.447878]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  642.452375]  ? lock_downgrade+0x900/0x900
[  642.456530]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  642.461645]  ? pvclock_read_flags+0x160/0x160
[  642.466146]  ? lapic_next_event+0x5a/0x90
[  642.470298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.475846]  ? kvm_clock_read+0x18/0x30
[  642.479825]  ? kvm_sched_clock_read+0x9/0x20
[  642.484248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.489788]  ? check_preemption_disabled+0x48/0x280
[  642.494823]  irq_exit+0x17f/0x1c0
[  642.498280]  smp_apic_timer_interrupt+0x1cb/0x760
[  642.503122]  ? smp_reschedule_interrupt+0x109/0x650
[  642.508142]  ? smp_call_function_single_interrupt+0x650/0x650
[  642.514030]  ? interrupt_entry+0xb5/0xc0
[  642.518092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.523108]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.528127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.532981]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.538003]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.543026]  ? task_prio+0x50/0x50
[  642.546574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.552120]  ? check_preemption_disabled+0x48/0x280
[  642.557146]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.562003]  apic_timer_interrupt+0xf/0x20
[  642.566244]  </IRQ>
[  642.568488] RIP: 0010:dump_stack+0x358/0x39d
[  642.572898] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  642.591811] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  642.599526] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  642.606796] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  642.614070] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  642.621345] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  642.628615] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  642.635913]  ? dump_stack+0x34f/0x39d
[  642.639752]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.644956]  ? mark_held_locks+0x130/0x130
[  642.649194]  ? mark_held_locks+0x130/0x130
[  642.653446]  dump_header+0x27b/0xf72
[  642.657180]  ? pagefault_out_of_memory+0x197/0x197
[  642.662121]  ? __lock_acquire+0x62f/0x4c20
[  642.666360]  ? percpu_ref_get_many+0x240/0x240
[  642.670951]  ? print_usage_bug+0xc0/0xc0
[  642.675021]  ? zap_class+0x640/0x640
[  642.678752]  ? print_usage_bug+0xc0/0xc0
[  642.682815]  ? print_usage_bug+0xc0/0xc0
[  642.686882]  ? zap_class+0x640/0x640
[  642.690600]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.696145]  ? find_held_lock+0x36/0x1c0
[  642.700216]  ? mark_held_locks+0xc7/0x130
[  642.704379]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  642.709483]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  642.714588]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  642.719173]  ? trace_hardirqs_on+0xbd/0x310
[  642.723494]  ? kasan_check_read+0x11/0x20
[  642.727641]  ? ___ratelimit+0x3b4/0x672
[  642.731617]  ? trace_hardirqs_off_caller+0x310/0x310
[  642.736723]  ? trace_hardirqs_on+0x310/0x310
[  642.741144]  ? lock_downgrade+0x900/0x900
[  642.745301]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  642.750413]  ? ___ratelimit+0x3b9/0x672
[  642.754398]  ? idr_get_free+0xf70/0xf70
[  642.758376]  ? find_held_lock+0x36/0x1c0
[  642.762453]  oom_kill_process.cold.27+0x10/0x903
[  642.767215]  ? zap_class+0x640/0x640
[  642.770942]  ? check_preemption_disabled+0x48/0x280
[  642.775961]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  642.780894]  ? kasan_check_read+0x11/0x20
[  642.785040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.790320]  ? oom_evaluate_task+0x540/0x540
[  642.794732]  ? find_held_lock+0x36/0x1c0
[  642.798808]  ? out_of_memory+0x974/0x1430
[  642.802961]  ? lock_downgrade+0x900/0x900
[  642.807108]  ? check_preemption_disabled+0x48/0x280
[  642.812127]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  642.817058]  ? kasan_check_read+0x11/0x20
[  642.821208]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.826499]  ? rcu_softirq_qs+0x20/0x20
[  642.830488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.836027]  ? oom_evaluate_task+0x302/0x540
[  642.840440]  out_of_memory+0xa84/0x1430
[  642.844423]  ? oom_killer_disable+0x3a0/0x3a0
[  642.848922]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  642.854374]  ? __ww_mutex_check_waiters+0x160/0x160
[  642.859405]  __alloc_pages_slowpath+0x2354/0x2e10
[  642.864288]  ? warn_alloc+0x120/0x120
[  642.868094]  ? mark_held_locks+0x130/0x130
[  642.872339]  ? find_get_entry+0xaae/0x1120
[  642.876586]  ? filemap_map_pages+0x1a20/0x1a20
[  642.881177]  ? zap_class+0x640/0x640
[  642.884898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.890439]  ? check_preemption_disabled+0x48/0x280
[  642.895458]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.900998]  ? should_fail+0x22d/0xd01
[  642.904894]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.910006]  ? zap_class+0x640/0x640
[  642.913755]  ? __lock_is_held+0xb5/0x140
[  642.917829]  ? mark_held_locks+0x130/0x130
[  642.922067]  ? lock_release+0xa00/0xa00
[  642.926044]  ? perf_trace_sched_process_exec+0x860/0x860
[  642.931495]  ? xa_load+0x2ba/0x460
[  642.935040]  ? lock_downgrade+0x900/0x900
[  642.939192]  ? __might_sleep+0x95/0x190
[  642.943174]  __alloc_pages_nodemask+0xa80/0xde0
[  642.947855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  642.952873]  ? __page_cache_alloc+0x191/0x5c0
[  642.957367]  ? xa_load+0x2e1/0x460
[  642.960911]  ? xa_clear_mark+0x40/0x40
[  642.964803]  ? zap_class+0x640/0x640
[  642.968528]  ? zap_class+0x640/0x640
[  642.972248]  ? zap_class+0x640/0x640
[  642.975966]  ? __do_page_cache_readahead+0x663/0x810
[  642.981077]  ? find_held_lock+0x36/0x1c0
[  642.985144]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  642.990688]  alloc_pages_current+0x173/0x350
[  642.995104]  __page_cache_alloc+0x38c/0x5c0
[  642.999428]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.004362]  ? kasan_check_read+0x11/0x20
[  643.008513]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.013797]  ? generic_perform_write+0x6a0/0x6a0
[  643.018556]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.024098]  ? check_preemption_disabled+0x48/0x280
[  643.029124]  filemap_fault+0x1595/0x25f0
[  643.033210]  ? __lock_page_or_retry+0xa00/0xa00
[  643.037891]  ? mark_held_locks+0x130/0x130
[  643.042139]  ? filemap_map_pages+0xd6b/0x1a20
[  643.046639]  ? lock_downgrade+0x900/0x900
[  643.050786]  ? check_preemption_disabled+0x48/0x280
[  643.055812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.060747]  ? kasan_check_read+0x11/0x20
[  643.064900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.070175]  ? rcu_softirq_qs+0x20/0x20
[  643.074164]  ? filemap_map_pages+0xd92/0x1a20
[  643.078698]  ? print_usage_bug+0xc0/0xc0
[  643.082770]  ? find_get_entries_tag+0x1400/0x1400
[  643.087616]  ? __kasan_slab_free+0x102/0x150
[  643.092024]  ? kasan_slab_free+0xe/0x10
[  643.096002]  ? kmem_cache_free+0x83/0x290
[  643.100153]  ? __sigqueue_free.part.29+0x74/0x90
[  643.104931]  ? lock_acquire+0x1ed/0x520
[  643.108903]  ? ext4_filemap_fault+0x7a/0xad
[  643.113244]  ? lock_release+0xa00/0xa00
[  643.117219]  ? perf_trace_sched_process_exec+0x860/0x860
[  643.122683]  ? print_usage_bug+0xc0/0xc0
[  643.126750]  ? print_usage_bug+0xc0/0xc0
[  643.130827]  ? down_read+0x8d/0x120
[  643.134452]  ? ext4_filemap_fault+0x7a/0xad
[  643.138777]  ? __down_interruptible+0x700/0x700
[  643.143456]  ext4_filemap_fault+0x82/0xad
[  643.147609]  __do_fault+0x100/0x6b0
[  643.151250]  ? pmd_devmap_trans_unstable+0x220/0x220
[  643.156367]  ? mark_held_locks+0x130/0x130
[  643.160608]  ? mark_held_locks+0x130/0x130
[  643.164845]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  643.170388]  ? rcu_pm_notify+0xc0/0xc0
[  643.174286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.179831]  __handle_mm_fault+0x3ea6/0x5be0
[  643.184262]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  643.189108]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.193607]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  643.198194]  ? trace_hardirqs_on+0xbd/0x310
[  643.202525]  ? kasan_check_read+0x11/0x20
[  643.206676]  ? __set_current_blocked+0xdf/0x120
[  643.211349]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.216472]  ? zap_class+0x640/0x640
[  643.220190]  ? zap_class+0x640/0x640
[  643.223912]  ? find_held_lock+0x36/0x1c0
[  643.227985]  ? handle_mm_fault+0x42a/0xc70
[  643.232222]  ? lock_downgrade+0x900/0x900
[  643.236381]  ? check_preemption_disabled+0x48/0x280
[  643.241404]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.246336]  ? kasan_check_read+0x11/0x20
[  643.250483]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.255762]  ? rcu_softirq_qs+0x20/0x20
[  643.259735]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.264847]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.270390]  ? check_preemption_disabled+0x48/0x280
[  643.275420]  handle_mm_fault+0x54f/0xc70
[  643.279491]  ? __handle_mm_fault+0x5be0/0x5be0
[  643.284080]  ? find_vma+0x34/0x190
[  643.287630]  __do_page_fault+0x5e8/0xe60
[  643.291693]  ? exit_to_usermode_loop+0x1f4/0x380
[  643.296459]  do_page_fault+0xf2/0x7e0
[  643.300269]  ? vmalloc_sync_all+0x30/0x30
[  643.304426]  ? error_entry+0x70/0xd0
[  643.308154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.313169]  ? trace_hardirqs_on_caller+0xc0/0x310
[  643.318098]  ? syscall_return_slowpath+0x5e0/0x5e0
[  643.323035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.327881]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.332901]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  643.338356]  ? prepare_exit_to_usermode+0x291/0x3b0
[  643.343375]  ? page_fault+0x8/0x30
[  643.346921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.351770]  ? page_fault+0x8/0x30
[  643.355318]  page_fault+0x1e/0x30
[  643.358773] RIP: 0033:0x45db60
[  643.361980] Code: Bad RIP value.
[  643.365357] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  643.370719] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  643.377994] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  643.385264] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  643.392530] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  643.399800] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  643.407098] warn_alloc_show_mem: 1 callbacks suppressed
[  643.407111] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  643.407112] Mem-Info:
[  643.407143] active_anon:45842 inactive_anon:131 isolated_anon:0
[  643.407143]  active_file:10 inactive_file:14 isolated_file:0
[  643.407143]  unevictable:0 dirty:0 writeback:0 unstable:0
[  643.407143]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  643.407143]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  643.407143]  free:13767 free_pcp:218 free_cma:0
[  643.412487] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  643.419417] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  643.421819] Call Trace:
[  643.454692] 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
[  643.464044]  <IRQ>
[  643.491534] lowmem_reserve[]: 0 2818 6321 6321
[  643.494141]  dump_stack+0x244/0x39d
[  643.520242] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  643.522428]  ? dump_stack_print_info.cold.1+0x20/0x20
[  643.526977] lowmem_reserve[]: 0 0 3503 3503
[  643.530614]  warn_alloc.cold.116+0xb7/0x1bd
[  643.557914] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  643.563113]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  643.567394] lowmem_reserve[]: 0 0 0 0
[  643.571720]  ? lock_downgrade+0x900/0x900
[  643.600596] 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
[  643.605451]  ? trace_hardirqs_off+0xb8/0x310
[  643.609214] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  643.613374]  ? trace_hardirqs_off+0xb8/0x310
[  643.626871] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  643.631306]  __alloc_pages_slowpath+0x26e8/0x2e10
[  643.646549] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  643.650980]  ? warn_alloc+0x120/0x120
[  643.665786] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  643.670630]  ? warn_alloc+0x120/0x120
[  643.679442] 162 total pagecache pages
[  643.683262]  ? __lock_acquire+0x62f/0x4c20
[  643.691811] 0 pages in swap cache
[  643.695605]  ? warn_alloc+0x120/0x120
[  643.699379] Swap cache stats: add 0, delete 0, find 0/0
[  643.703606]  ? print_usage_bug+0xc0/0xc0
[  643.707048] Free swap  = 0kB
[  643.710843]  ? print_usage_bug+0xc0/0xc0
[  643.716183] Total swap = 0kB
[  643.720253]  ? mark_held_locks+0x130/0x130
[  643.723453] 1965979 pages RAM
[  643.727518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.730508] 0 pages HighMem/MovableOnly
[  643.734738]  ? should_fail+0x22d/0xd01
[  643.737822] 342855 pages reserved
[  643.743358]  ? zap_class+0x640/0x640
[  643.747304] 0 pages cma reserved
[  643.751190]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.754677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  643.758322]  ? __lock_acquire+0x62f/0x4c20
[  643.758341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.758356]  ? should_fail+0x22d/0xd01
[  643.761777] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  643.766817]  ? mark_held_locks+0x130/0x130
[  643.773275] syz-fuzzer cpuset=/ mems_allowed=0
[  643.777507]  ? mark_held_locks+0x130/0x130
[  643.809701]  ? lock_downgrade+0x900/0x900
[  643.813855]  ? zap_class+0x640/0x640
[  643.817578]  ? zap_class+0x640/0x640
[  643.821297]  ? zap_class+0x640/0x640
[  643.825011]  ? do_raw_spin_unlock+0xa7/0x330
[  643.829432]  ? trace_hardirqs_on+0x310/0x310
[  643.833843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.839388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.844938]  ? check_preemption_disabled+0x48/0x280
[  643.849972]  ? __lock_is_held+0xb5/0x140
[  643.854052]  __alloc_pages_nodemask+0xa80/0xde0
[  643.858728]  ? zap_class+0x640/0x640
[  643.862451]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  643.867483]  ? find_held_lock+0x36/0x1c0
[  643.871559]  ? ____cache_alloc_node+0x1c7/0x1e0
[  643.876248]  ? lock_downgrade+0x900/0x900
[  643.880418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.885964]  cache_grow_begin+0xa5/0x8c0
[  643.890029]  ? do_raw_spin_unlock+0xa7/0x330
[  643.894449]  fallback_alloc+0x204/0x2e0
[  643.898441]  ____cache_alloc_node+0x1c7/0x1e0
[  643.902946]  kmem_cache_alloc_node+0xe3/0x730
[  643.907446]  ? lockdep_hardirqs_on+0x296/0x5b0
[  643.912039]  __alloc_skb+0x119/0x770
[  643.915754]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  643.921126]  ? netdev_alloc_frag+0x1f0/0x1f0
[  643.925545]  ? vprintk_default+0x28/0x30
[  643.929608]  ? vprintk_func+0x85/0x181
[  643.933498]  ? printk+0xa7/0xcf
[  643.936777]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  643.941540]  ? do_raw_spin_trylock+0x270/0x270
[  643.946127]  new_skb+0x26/0x1c0
[  643.949414]  aoecmd_cfg+0x279/0x7f0
[  643.953050]  ? find_held_lock+0x36/0x1c0
[  643.957115]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  643.961449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.967001]  ? __lock_is_held+0xb5/0x140
[  643.971077]  discover_timer+0x50/0x60
[  643.974879]  call_timer_fn+0x272/0x920
[  643.978768]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  643.983616]  ? process_timeout+0x40/0x40
[  643.987686]  ? __run_timers+0x7da/0xc70
[  643.991668]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.996165]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.000664]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  644.005510]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.010097]  ? trace_hardirqs_on+0xbd/0x310
[  644.014430]  ? kasan_check_read+0x11/0x20
[  644.018581]  ? __run_timers+0x7da/0xc70
[  644.022562]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.027683]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  644.032529]  __run_timers+0x7e5/0xc70
[  644.036344]  ? timer_fixup_init+0x70/0x70
[  644.040498]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.045522]  ? zap_class+0x640/0x640
[  644.049254]  ? enqueue_hrtimer+0x1a5/0x560
[  644.053497]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.058694]  ? find_held_lock+0x36/0x1c0
[  644.062766]  ? zap_class+0x640/0x640
[  644.066490]  ? pvclock_read_flags+0x160/0x160
[  644.070994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.076536]  ? check_preemption_disabled+0x48/0x280
[  644.081571]  ? __lock_is_held+0xb5/0x140
[  644.085636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.091180]  ? check_preemption_disabled+0x48/0x280
[  644.096207]  run_timer_softirq+0x52/0xb0
[  644.100288]  ? rcu_read_lock_sched_held+0x14f/0x180
[  644.105312]  __do_softirq+0x308/0xb7e
[  644.109123]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.113624]  ? lock_downgrade+0x900/0x900
[  644.117779]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.122895]  ? pvclock_read_flags+0x160/0x160
[  644.127398]  ? lapic_next_event+0x5a/0x90
[  644.131551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.137129]  ? kvm_clock_read+0x18/0x30
[  644.141106]  ? kvm_sched_clock_read+0x9/0x20
[  644.145525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.151068]  ? check_preemption_disabled+0x48/0x280
[  644.156101]  irq_exit+0x17f/0x1c0
[  644.159557]  smp_apic_timer_interrupt+0x1cb/0x760
[  644.164403]  ? smp_call_function_single_interrupt+0x159/0x650
[  644.170298]  ? smp_call_function_single_interrupt+0x650/0x650
[  644.176185]  ? interrupt_entry+0xb5/0xc0
[  644.180259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.185281]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.190300]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.195149]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.200166]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.205187]  ? task_prio+0x50/0x50
[  644.208734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.214279]  ? check_preemption_disabled+0x48/0x280
[  644.219309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.224165]  apic_timer_interrupt+0xf/0x20
[  644.228394]  </IRQ>
[  644.230636] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  644.235567] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  644.254558] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  644.262274] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  644.269545] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  644.276837] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  644.284105] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  644.291378] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  644.298697]  skb_clone+0x1bb/0x500
[  644.302251]  ? finish_task_switch+0x2f4/0x910
[  644.306750]  ? skb_split+0x11e0/0x11e0
[  644.310645]  ? preempt_notifier_register+0x200/0x200
[  644.315748]  ? __switch_to_asm+0x34/0x70
[  644.319811]  ? __switch_to_asm+0x34/0x70
[  644.323872]  ? __switch_to_asm+0x40/0x70
[  644.327935]  ? __switch_to_asm+0x34/0x70
[  644.332001]  ? __switch_to_asm+0x40/0x70
[  644.336068]  ? __switch_to_asm+0x34/0x70
[  644.340132]  ? __switch_to_asm+0x40/0x70
[  644.344194]  ? __switch_to_asm+0x34/0x70
[  644.348271]  ? __switch_to_asm+0x34/0x70
[  644.352334]  ? __switch_to_asm+0x40/0x70
[  644.356399]  ? __switch_to_asm+0x34/0x70
[  644.360476]  bpf_clone_redirect+0xb9/0x490
[  644.364713]  ? __schedule+0x8d7/0x21d0
[  644.368606]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  644.373625]  ? __sched_text_start+0x8/0x8
[  644.377779]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  644.382371]  ? retint_kernel+0x2d/0x2d
[  644.386274]  ? trace_hardirqs_on_caller+0xc0/0x310
[  644.391215]  ? find_held_lock+0x36/0x1c0
[  644.395300]  ? lock_acquire+0x1ed/0x520
[  644.399274]  ? bpf_test_run+0x3cb/0x780
[  644.403266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.408808]  ? check_preemption_disabled+0x48/0x280
[  644.413831]  ? kasan_check_read+0x11/0x20
[  644.417979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.423266]  ? rcu_softirq_qs+0x20/0x20
[  644.427265]  ? preempt_schedule+0x4d/0x60
[  644.431417]  ? ___preempt_schedule+0x16/0x18
[  644.435833]  ? bpf_test_run+0x25d/0x780
[  644.439821]  ? netlink_diag_dump+0x2a0/0x2a0
[  644.444251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.449793]  ? bpf_test_init.isra.10+0x70/0x100
[  644.454467]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  644.459250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.464106]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  644.469659]  ? fput+0x130/0x1a0
[  644.472948]  ? __bpf_prog_get+0x9b/0x290
[  644.477022]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  644.481878]  ? bpf_prog_test_run+0x130/0x1a0
[  644.486300]  ? __x64_sys_bpf+0x3d8/0x520
[  644.490364]  ? bpf_prog_get+0x20/0x20
[  644.494188]  ? do_syscall_64+0x1b9/0x820
[  644.498269]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  644.503642]  ? syscall_return_slowpath+0x5e0/0x5e0
[  644.508579]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.513603]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  644.518626]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  644.525302]  ? __switch_to_asm+0x40/0x70
[  644.529375]  ? __switch_to_asm+0x34/0x70
[  644.533452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.538315]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  644.543708] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  644.543776] aoe: skb alloc failure
[  644.550308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  644.550314] Call Trace:
[  644.550321]  <IRQ>
[  644.550343]  dump_stack+0x244/0x39d
[  644.550367]  ? dump_stack_print_info.cold.1+0x20/0x20
[  644.553925] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  644.563276]  warn_alloc.cold.116+0xb7/0x1bd
[  644.565834] syz-executor3 cpuset=syz3 mems_allowed=0
[  644.567979]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  644.601501]  ? lock_downgrade+0x900/0x900
[  644.605663]  ? trace_hardirqs_off+0xb8/0x310
[  644.610083]  ? trace_hardirqs_off+0xb8/0x310
[  644.614507]  __alloc_pages_slowpath+0x26e8/0x2e10
[  644.619393]  ? warn_alloc+0x120/0x120
[  644.623198]  ? print_usage_bug+0xc0/0xc0
[  644.627279]  ? warn_alloc+0x120/0x120
[  644.631098]  ? warn_alloc+0x120/0x120
[  644.634905]  ? print_usage_bug+0xc0/0xc0
[  644.638981]  ? print_usage_bug+0xc0/0xc0
[  644.643054]  ? __lock_acquire+0x62f/0x4c20
[  644.647306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.652850]  ? should_fail+0x22d/0xd01
[  644.656749]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.661863]  ? __lock_acquire+0x62f/0x4c20
[  644.666110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.671219]  ? __lock_acquire+0x62f/0x4c20
[  644.675471]  ? should_fail+0x22d/0xd01
[  644.679362]  ? find_held_lock+0x36/0x1c0
[  644.683440]  ? mark_held_locks+0x130/0x130
[  644.687687]  ? mark_held_locks+0x130/0x130
[  644.691922]  ? zap_class+0x640/0x640
[  644.695640]  ? zap_class+0x640/0x640
[  644.699359]  ? print_usage_bug+0xc0/0xc0
[  644.703424]  ? do_raw_spin_unlock+0xa7/0x330
[  644.707836]  ? zap_class+0x640/0x640
[  644.711556]  ? print_usage_bug+0xc0/0xc0
[  644.715617]  ? wq_watchdog_touch+0x9c/0xfe
[  644.719860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.725403]  ? check_preemption_disabled+0x48/0x280
[  644.730437]  ? __lock_is_held+0xb5/0x140
[  644.734509]  __alloc_pages_nodemask+0xa80/0xde0
[  644.739187]  ? zap_class+0x640/0x640
[  644.742911]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  644.747949]  ? find_held_lock+0x36/0x1c0
[  644.752027]  ? ____cache_alloc_node+0x1c7/0x1e0
[  644.756704]  ? lock_downgrade+0x900/0x900
[  644.760869]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.766433]  cache_grow_begin+0xa5/0x8c0
[  644.770503]  ? do_raw_spin_unlock+0xa7/0x330
[  644.774929]  fallback_alloc+0x204/0x2e0
[  644.778919]  ____cache_alloc_node+0x1c7/0x1e0
[  644.783428]  kmem_cache_alloc_node+0xe3/0x730
[  644.787950]  ? ipv6_get_ifaddr+0x42e/0x620
[  644.792204]  __alloc_skb+0x119/0x770
[  644.795930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.801221]  ? netdev_alloc_frag+0x1f0/0x1f0
[  644.805645]  ? lock_downgrade+0x900/0x900
[  644.809810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.815357]  ? refcount_sub_and_test_checked+0x203/0x310
[  644.820823]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  644.826286]  ? addrconf_rs_timer+0x690/0x690
[  644.830721]  ndisc_alloc_skb+0x144/0x340
[  644.834800]  ndisc_send_rs+0x331/0x6e0
[  644.838697]  addrconf_rs_timer+0x314/0x690
[  644.842945]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.847195]  call_timer_fn+0x272/0x920
[  644.851090]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.855832]  ? process_timeout+0x40/0x40
[  644.859912]  ? mark_held_locks+0xc7/0x130
[  644.864069]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.868579]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.873086]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.877333]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.881934]  ? trace_hardirqs_on+0xbd/0x310
[  644.886281]  ? kasan_check_read+0x11/0x20
[  644.890448]  ? __run_timers+0x7da/0xc70
[  644.894440]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.899564]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.903818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  644.908062]  __run_timers+0x7e5/0xc70
[  644.911879]  ? timer_fixup_init+0x70/0x70
[  644.916039]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.921064]  ? zap_class+0x640/0x640
[  644.924790]  ? print_usage_bug+0xc0/0xc0
[  644.928861]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.934066]  ? find_held_lock+0x36/0x1c0
[  644.938142]  ? zap_class+0x640/0x640
[  644.941871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.947415]  ? check_preemption_disabled+0x48/0x280
[  644.952454]  ? __lock_is_held+0xb5/0x140
[  644.956534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.962089]  ? check_preemption_disabled+0x48/0x280
[  644.967147]  run_timer_softirq+0x52/0xb0
[  644.971222]  ? rcu_read_lock_sched_held+0x14f/0x180
[  644.976270]  __do_softirq+0x308/0xb7e
[  644.980088]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.984591]  ? lock_downgrade+0x900/0x900
[  644.988760]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.993886]  ? pvclock_read_flags+0x160/0x160
[  644.998395]  ? lapic_next_event+0x5a/0x90
[  645.002560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.008116]  ? kvm_clock_read+0x18/0x30
[  645.012100]  ? kvm_sched_clock_read+0x9/0x20
[  645.016520]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.022067]  ? check_preemption_disabled+0x48/0x280
[  645.027102]  irq_exit+0x17f/0x1c0
[  645.030565]  smp_apic_timer_interrupt+0x1cb/0x760
[  645.035411]  ? smp_reschedule_interrupt+0x109/0x650
[  645.040439]  ? smp_call_function_single_interrupt+0x650/0x650
[  645.046336]  ? interrupt_entry+0xb5/0xc0
[  645.050409]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.055447]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.060476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.065328]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.070357]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.075403]  ? task_prio+0x50/0x50
[  645.078955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.084499]  ? check_preemption_disabled+0x48/0x280
[  645.089531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.094396]  apic_timer_interrupt+0xf/0x20
[  645.098635]  </IRQ>
[  645.100885] RIP: 0010:dump_stack+0x358/0x39d
[  645.105301] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  645.124214] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  645.131948] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  645.139237] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  645.146517] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  645.153795] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  645.161076] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  645.168381]  ? dump_stack+0x34f/0x39d
[  645.172209]  ? dump_stack_print_info.cold.1+0x20/0x20
[  645.177419]  ? mark_held_locks+0x130/0x130
[  645.181668]  ? mark_held_locks+0x130/0x130
[  645.185918]  dump_header+0x27b/0xf72
[  645.189653]  ? pagefault_out_of_memory+0x197/0x197
[  645.194596]  ? __lock_acquire+0x62f/0x4c20
[  645.198840]  ? percpu_ref_get_many+0x240/0x240
[  645.203432]  ? print_usage_bug+0xc0/0xc0
[  645.207517]  ? zap_class+0x640/0x640
[  645.211254]  ? print_usage_bug+0xc0/0xc0
[  645.215323]  ? print_usage_bug+0xc0/0xc0
[  645.219399]  ? zap_class+0x640/0x640
[  645.223128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.228692]  ? find_held_lock+0x36/0x1c0
[  645.232787]  ? mark_held_locks+0xc7/0x130
[  645.236960]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.242087]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  645.247213]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  645.251825]  ? trace_hardirqs_on+0xbd/0x310
[  645.256149]  ? kasan_check_read+0x11/0x20
[  645.260304]  ? ___ratelimit+0x3b4/0x672
[  645.264287]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.269395]  ? trace_hardirqs_on+0x310/0x310
[  645.273814]  ? lock_downgrade+0x900/0x900
[  645.277977]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  645.283089]  ? ___ratelimit+0x3b9/0x672
[  645.287070]  ? idr_get_free+0xf70/0xf70
[  645.291046]  ? find_held_lock+0x36/0x1c0
[  645.295124]  oom_kill_process.cold.27+0x10/0x903
[  645.299894]  ? zap_class+0x640/0x640
[  645.303616]  ? check_preemption_disabled+0x48/0x280
[  645.308641]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.313575]  ? kasan_check_read+0x11/0x20
[  645.317731]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.323018]  ? oom_evaluate_task+0x540/0x540
[  645.327438]  ? find_held_lock+0x36/0x1c0
[  645.331510]  ? out_of_memory+0x974/0x1430
[  645.335662]  ? lock_downgrade+0x900/0x900
[  645.339812]  ? check_preemption_disabled+0x48/0x280
[  645.344838]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.349775]  ? kasan_check_read+0x11/0x20
[  645.353932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.359225]  ? rcu_softirq_qs+0x20/0x20
[  645.363222]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.368775]  ? oom_evaluate_task+0x302/0x540
[  645.373195]  out_of_memory+0xa84/0x1430
[  645.377185]  ? oom_killer_disable+0x3a0/0x3a0
[  645.381680]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  645.386613]  ? __ww_mutex_check_waiters+0x160/0x160
[  645.391648]  __alloc_pages_slowpath+0x2354/0x2e10
[  645.396530]  ? warn_alloc+0x120/0x120
[  645.400338]  ? mark_held_locks+0x130/0x130
[  645.404593]  ? find_get_entry+0xaae/0x1120
[  645.408849]  ? filemap_map_pages+0x1a20/0x1a20
[  645.413445]  ? zap_class+0x640/0x640
[  645.417171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.422720]  ? check_preemption_disabled+0x48/0x280
[  645.427757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.433305]  ? should_fail+0x22d/0xd01
[  645.437203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.442319]  ? zap_class+0x640/0x640
[  645.446063]  ? __lock_is_held+0xb5/0x140
[  645.450137]  ? mark_held_locks+0x130/0x130
[  645.454379]  ? lock_release+0xa00/0xa00
[  645.458356]  ? perf_trace_sched_process_exec+0x860/0x860
[  645.463810]  ? xa_load+0x2ba/0x460
[  645.467355]  ? lock_downgrade+0x900/0x900
[  645.471510]  ? __might_sleep+0x95/0x190
[  645.475499]  __alloc_pages_nodemask+0xa80/0xde0
[  645.480197]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  645.485244]  ? __page_cache_alloc+0x191/0x5c0
[  645.489753]  ? xa_load+0x2e1/0x460
[  645.493302]  ? xa_clear_mark+0x40/0x40
[  645.497198]  ? zap_class+0x640/0x640
[  645.500936]  ? zap_class+0x640/0x640
[  645.504651]  ? zap_class+0x640/0x640
[  645.508371]  ? __do_page_cache_readahead+0x663/0x810
[  645.513490]  ? find_held_lock+0x36/0x1c0
[  645.517560]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  645.523128]  alloc_pages_current+0x173/0x350
[  645.527550]  __page_cache_alloc+0x38c/0x5c0
[  645.531873]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.536809]  ? kasan_check_read+0x11/0x20
[  645.540964]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.546256]  ? generic_perform_write+0x6a0/0x6a0
[  645.551041]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.556596]  ? check_preemption_disabled+0x48/0x280
[  645.561635]  filemap_fault+0x1595/0x25f0
[  645.565719]  ? __lock_page_or_retry+0xa00/0xa00
[  645.570407]  ? mark_held_locks+0x130/0x130
[  645.574662]  ? filemap_map_pages+0xd6b/0x1a20
[  645.579166]  ? lock_downgrade+0x900/0x900
[  645.583320]  ? check_preemption_disabled+0x48/0x280
[  645.588350]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.593310]  ? kasan_check_read+0x11/0x20
[  645.597493]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.602787]  ? rcu_softirq_qs+0x20/0x20
[  645.606792]  ? filemap_map_pages+0xd92/0x1a20
[  645.611313]  ? print_usage_bug+0xc0/0xc0
[  645.615396]  ? find_get_entries_tag+0x1400/0x1400
[  645.620264]  ? __kasan_slab_free+0x102/0x150
[  645.624689]  ? kasan_slab_free+0xe/0x10
[  645.628673]  ? kmem_cache_free+0x83/0x290
[  645.632847]  ? __sigqueue_free.part.29+0x74/0x90
[  645.637636]  ? lock_acquire+0x1ed/0x520
[  645.641622]  ? ext4_filemap_fault+0x7a/0xad
[  645.645969]  ? lock_release+0xa00/0xa00
[  645.649955]  ? perf_trace_sched_process_exec+0x860/0x860
[  645.655419]  ? print_usage_bug+0xc0/0xc0
[  645.659497]  ? print_usage_bug+0xc0/0xc0
[  645.663586]  ? down_read+0x8d/0x120
[  645.667226]  ? ext4_filemap_fault+0x7a/0xad
[  645.671570]  ? __down_interruptible+0x700/0x700
[  645.676269]  ext4_filemap_fault+0x82/0xad
[  645.680433]  __do_fault+0x100/0x6b0
[  645.684072]  ? pmd_devmap_trans_unstable+0x220/0x220
[  645.689186]  ? mark_held_locks+0x130/0x130
[  645.693430]  ? mark_held_locks+0x130/0x130
[  645.697678]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  645.703226]  ? rcu_pm_notify+0xc0/0xc0
[  645.707143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.712706]  __handle_mm_fault+0x3ea6/0x5be0
[  645.717151]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  645.722476]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.727018]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  645.731627]  ? trace_hardirqs_on+0xbd/0x310
[  645.735967]  ? kasan_check_read+0x11/0x20
[  645.740127]  ? __set_current_blocked+0xdf/0x120
[  645.744812]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.749947]  ? zap_class+0x640/0x640
[  645.753667]  ? zap_class+0x640/0x640
[  645.757395]  ? find_held_lock+0x36/0x1c0
[  645.761486]  ? handle_mm_fault+0x42a/0xc70
[  645.765731]  ? lock_downgrade+0x900/0x900
[  645.769895]  ? check_preemption_disabled+0x48/0x280
[  645.774928]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  645.779865]  ? kasan_check_read+0x11/0x20
[  645.784019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.789359]  ? rcu_softirq_qs+0x20/0x20
[  645.793338]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.798457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.804031]  ? check_preemption_disabled+0x48/0x280
[  645.809072]  handle_mm_fault+0x54f/0xc70
[  645.813142]  ? __handle_mm_fault+0x5be0/0x5be0
[  645.817735]  ? find_vma+0x34/0x190
[  645.821288]  __do_page_fault+0x5e8/0xe60
[  645.825356]  ? exit_to_usermode_loop+0x1f4/0x380
[  645.830126]  do_page_fault+0xf2/0x7e0
[  645.833929]  ? vmalloc_sync_all+0x30/0x30
[  645.838080]  ? error_entry+0x70/0xd0
[  645.841798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.846815]  ? trace_hardirqs_on_caller+0xc0/0x310
[  645.851754]  ? syscall_return_slowpath+0x5e0/0x5e0
[  645.856689]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.861540]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.866559]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  645.872014]  ? prepare_exit_to_usermode+0x291/0x3b0
[  645.877036]  ? page_fault+0x8/0x30
[  645.880580]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.885428]  ? page_fault+0x8/0x30
[  645.888969]  page_fault+0x1e/0x30
[  645.892420] RIP: 0033:0x45db60
[  645.895629] Code: Bad RIP value.
[  645.898993] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  645.904355] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  645.911622] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  645.918887] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  645.926156] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  645.933420] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  645.940713] warn_alloc_show_mem: 1 callbacks suppressed
[  645.940725] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  645.940727] Mem-Info:
[  645.940765] active_anon:45842 inactive_anon:131 isolated_anon:0
[  645.940765]  active_file:10 inactive_file:14 isolated_file:0
[  645.940765]  unevictable:0 dirty:0 writeback:0 unstable:0
[  645.940765]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  645.940765]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  645.940765]  free:13767 free_pcp:218 free_cma:0
[  645.946097] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  645.953029] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  645.955430] Call Trace:
[  645.988303] 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
[  645.997651]  <IRQ>
[  646.025137] lowmem_reserve[]: 0 2818 6321 6321
[  646.027725]  dump_stack+0x244/0x39d
[  646.053835] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  646.055986]  ? dump_stack_print_info.cold.1+0x20/0x20
[  646.060880] lowmem_reserve[]: 0 0 3503 3503
[  646.064523]  warn_alloc.cold.116+0xb7/0x1bd
[  646.091816] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  646.097004]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  646.101293] lowmem_reserve[]: 0 0 0 0
[  646.105613]  ? lock_downgrade+0x900/0x900
[  646.134476] 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
[  646.139321]  ? trace_hardirqs_off+0xb8/0x310
[  646.143084] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  646.147227]  ? trace_hardirqs_off+0xb8/0x310
[  646.160735] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  646.165147]  __alloc_pages_slowpath+0x26e8/0x2e10
[  646.180383] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  646.184807]  ? warn_alloc+0x120/0x120
[  646.199589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  646.204421]  ? warn_alloc+0x120/0x120
[  646.213250] 162 total pagecache pages
[  646.217050]  ? __lock_acquire+0x62f/0x4c20
[  646.225605] 0 pages in swap cache
[  646.229396]  ? warn_alloc+0x120/0x120
[  646.233168] Swap cache stats: add 0, delete 0, find 0/0
[  646.233176] Free swap  = 0kB
[  646.237406]  ? print_usage_bug+0xc0/0xc0
[  646.240832] Total swap = 0kB
[  646.244625]  ? print_usage_bug+0xc0/0xc0
[  646.249963] 1965979 pages RAM
[  646.252974]  ? mark_held_locks+0x130/0x130
[  646.257007] 0 pages HighMem/MovableOnly
[  646.260024]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.264055] 342855 pages reserved
[  646.267156]  ? should_fail+0x22d/0xd01
[  646.271368] 0 pages cma reserved
[  646.275338]  ? zap_class+0x640/0x640
[  646.280910] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  646.284296]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.288254] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  646.291524]  ? __lock_acquire+0x62f/0x4c20
[  646.295216] syz-fuzzer cpuset=/ mems_allowed=0
[  646.301716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.330892]  ? should_fail+0x22d/0xd01
[  646.334798]  ? mark_held_locks+0x130/0x130
[  646.339034]  ? mark_held_locks+0x130/0x130
[  646.343282]  ? lock_downgrade+0x900/0x900
[  646.347434]  ? zap_class+0x640/0x640
[  646.351160]  ? zap_class+0x640/0x640
[  646.354874]  ? zap_class+0x640/0x640
[  646.358587]  ? do_raw_spin_unlock+0xa7/0x330
[  646.362997]  ? trace_hardirqs_on+0x310/0x310
[  646.367415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.372952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.378496]  ? check_preemption_disabled+0x48/0x280
[  646.383522]  ? __lock_is_held+0xb5/0x140
[  646.387590]  __alloc_pages_nodemask+0xa80/0xde0
[  646.392270]  ? zap_class+0x640/0x640
[  646.395991]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  646.401023]  ? find_held_lock+0x36/0x1c0
[  646.405095]  ? ____cache_alloc_node+0x1c7/0x1e0
[  646.409768]  ? lock_downgrade+0x900/0x900
[  646.413947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.419507]  cache_grow_begin+0xa5/0x8c0
[  646.423570]  ? do_raw_spin_unlock+0xa7/0x330
[  646.427986]  fallback_alloc+0x204/0x2e0
[  646.431970]  ____cache_alloc_node+0x1c7/0x1e0
[  646.436470]  kmem_cache_alloc_node+0xe3/0x730
[  646.440966]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.445556]  __alloc_skb+0x119/0x770
[  646.449272]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  646.454656]  ? netdev_alloc_frag+0x1f0/0x1f0
[  646.459074]  ? vprintk_default+0x28/0x30
[  646.463138]  ? vprintk_func+0x85/0x181
[  646.467030]  ? printk+0xa7/0xcf
[  646.470315]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  646.475078]  ? do_raw_spin_trylock+0x270/0x270
[  646.479668]  new_skb+0x26/0x1c0
[  646.482948]  aoecmd_cfg+0x279/0x7f0
[  646.486583]  ? find_held_lock+0x36/0x1c0
[  646.490646]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  646.494974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.500524]  ? __lock_is_held+0xb5/0x140
[  646.504602]  discover_timer+0x50/0x60
[  646.508405]  call_timer_fn+0x272/0x920
[  646.512294]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.517151]  ? process_timeout+0x40/0x40
[  646.521222]  ? __run_timers+0x7da/0xc70
[  646.525240]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.529741]  ? _raw_spin_unlock_irq+0x27/0x80
[  646.534250]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.539094]  ? lockdep_hardirqs_on+0x296/0x5b0
[  646.543676]  ? trace_hardirqs_on+0xbd/0x310
[  646.548000]  ? kasan_check_read+0x11/0x20
[  646.552146]  ? __run_timers+0x7da/0xc70
[  646.556119]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.561248]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  646.566124]  __run_timers+0x7e5/0xc70
[  646.569938]  ? timer_fixup_init+0x70/0x70
[  646.574087]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  646.579103]  ? zap_class+0x640/0x640
[  646.582819]  ? enqueue_hrtimer+0x1a5/0x560
[  646.587055]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  646.592268]  ? find_held_lock+0x36/0x1c0
[  646.596342]  ? zap_class+0x640/0x640
[  646.600060]  ? pvclock_read_flags+0x160/0x160
[  646.604560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.610097]  ? check_preemption_disabled+0x48/0x280
[  646.615125]  ? __lock_is_held+0xb5/0x140
[  646.619190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.624728]  ? check_preemption_disabled+0x48/0x280
[  646.629760]  run_timer_softirq+0x52/0xb0
[  646.633820]  ? rcu_read_lock_sched_held+0x14f/0x180
[  646.638834]  __do_softirq+0x308/0xb7e
[  646.642638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  646.647134]  ? lock_downgrade+0x900/0x900
[  646.651295]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  646.656408]  ? pvclock_read_flags+0x160/0x160
[  646.660907]  ? lapic_next_event+0x5a/0x90
[  646.665059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.670601]  ? kvm_clock_read+0x18/0x30
[  646.674578]  ? kvm_sched_clock_read+0x9/0x20
[  646.678989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.684526]  ? check_preemption_disabled+0x48/0x280
[  646.689555]  irq_exit+0x17f/0x1c0
[  646.693008]  smp_apic_timer_interrupt+0x1cb/0x760
[  646.697850]  ? smp_call_function_single_interrupt+0x159/0x650
[  646.703735]  ? smp_call_function_single_interrupt+0x650/0x650
[  646.709625]  ? interrupt_entry+0xb5/0xc0
[  646.713689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.718702]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.723724]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.728567]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.733583]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.738599]  ? task_prio+0x50/0x50
[  646.742143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.747683]  ? check_preemption_disabled+0x48/0x280
[  646.752710]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.757561]  apic_timer_interrupt+0xf/0x20
[  646.761791]  </IRQ>
[  646.764033] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  646.768966] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  646.787867] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  646.795571] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  646.802839] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  646.810108] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  646.817372] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  646.824640] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  646.831954]  skb_clone+0x1bb/0x500
[  646.835500]  ? finish_task_switch+0x2f4/0x910
[  646.840000]  ? skb_split+0x11e0/0x11e0
[  646.843890]  ? preempt_notifier_register+0x200/0x200
[  646.848993]  ? __switch_to_asm+0x34/0x70
[  646.853289]  ? __switch_to_asm+0x34/0x70
[  646.857348]  ? __switch_to_asm+0x40/0x70
[  646.861410]  ? __switch_to_asm+0x34/0x70
[  646.865473]  ? __switch_to_asm+0x40/0x70
[  646.869535]  ? __switch_to_asm+0x34/0x70
[  646.873597]  ? __switch_to_asm+0x40/0x70
[  646.877656]  ? __switch_to_asm+0x34/0x70
[  646.881719]  ? __switch_to_asm+0x34/0x70
[  646.885778]  ? __switch_to_asm+0x40/0x70
[  646.889838]  ? __switch_to_asm+0x34/0x70
[  646.893907]  bpf_clone_redirect+0xb9/0x490
[  646.898147]  ? __schedule+0x8d7/0x21d0
[  646.902042]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  646.907061]  ? __sched_text_start+0x8/0x8
[  646.911216]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  646.915814]  ? retint_kernel+0x2d/0x2d
[  646.919702]  ? trace_hardirqs_on_caller+0xc0/0x310
[  646.924639]  ? find_held_lock+0x36/0x1c0
[  646.928711]  ? lock_acquire+0x1ed/0x520
[  646.932690]  ? bpf_test_run+0x3cb/0x780
[  646.936671]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.942213]  ? check_preemption_disabled+0x48/0x280
[  646.947275]  ? kasan_check_read+0x11/0x20
[  646.951422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.956696]  ? rcu_softirq_qs+0x20/0x20
[  646.960672]  ? preempt_schedule+0x4d/0x60
[  646.964827]  ? ___preempt_schedule+0x16/0x18
[  646.969257]  ? bpf_test_run+0x25d/0x780
[  646.973262]  ? netlink_diag_dump+0x2a0/0x2a0
[  646.977677]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.983217]  ? bpf_test_init.isra.10+0x70/0x100
[  646.987902]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  646.992670]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  646.997516]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  647.003051]  ? fput+0x130/0x1a0
[  647.006337]  ? __bpf_prog_get+0x9b/0x290
[  647.010401]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  647.015251]  ? bpf_prog_test_run+0x130/0x1a0
[  647.019664]  ? __x64_sys_bpf+0x3d8/0x520
[  647.023725]  ? bpf_prog_get+0x20/0x20
[  647.027547]  ? do_syscall_64+0x1b9/0x820
[  647.031614]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  647.036979]  ? syscall_return_slowpath+0x5e0/0x5e0
[  647.041916]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.046935]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  647.051955]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  647.058625]  ? __switch_to_asm+0x40/0x70
[  647.062690]  ? __switch_to_asm+0x34/0x70
[  647.066756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.071611]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  647.076995] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  647.077065] aoe: skb alloc failure
[  647.083596] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  647.083604] Call Trace:
[  647.087195] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.096474]  <IRQ>
[  647.099047] syz-executor3 cpuset=syz3 mems_allowed=0
[  647.109527]  dump_stack+0x244/0x39d
[  647.120364]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.125569]  warn_alloc.cold.116+0xb7/0x1bd
[  647.129892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  647.134739]  ? lock_downgrade+0x900/0x900
[  647.138903]  ? trace_hardirqs_off+0xb8/0x310
[  647.143320]  ? trace_hardirqs_off+0xb8/0x310
[  647.147740]  __alloc_pages_slowpath+0x26e8/0x2e10
[  647.152623]  ? warn_alloc+0x120/0x120
[  647.156430]  ? print_usage_bug+0xc0/0xc0
[  647.160493]  ? warn_alloc+0x120/0x120
[  647.164298]  ? warn_alloc+0x120/0x120
[  647.168101]  ? print_usage_bug+0xc0/0xc0
[  647.172161]  ? kvm_clock_read+0x18/0x30
[  647.176136]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  647.181153]  ? print_usage_bug+0xc0/0xc0
[  647.185215]  ? __lock_acquire+0x62f/0x4c20
[  647.189467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.195007]  ? should_fail+0x22d/0xd01
[  647.198897]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.204180]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.209291]  ? __lock_acquire+0x62f/0x4c20
[  647.213530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.218634]  ? __lock_acquire+0x62f/0x4c20
[  647.222868]  ? should_fail+0x22d/0xd01
[  647.226759]  ? rcu_irq_exit+0x1a2/0x390
[  647.230751]  ? mark_held_locks+0x130/0x130
[  647.234997]  ? mark_held_locks+0x130/0x130
[  647.239247]  ? mark_held_locks+0xc7/0x130
[  647.243397]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  647.248419]  ? zap_class+0x640/0x640
[  647.252134]  ? print_usage_bug+0xc0/0xc0
[  647.256202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.261753]  ? check_preemption_disabled+0x48/0x280
[  647.266790]  ? __lock_is_held+0xb5/0x140
[  647.270863]  __alloc_pages_nodemask+0xa80/0xde0
[  647.275537]  ? zap_class+0x640/0x640
[  647.279266]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  647.284301]  ? find_held_lock+0x36/0x1c0
[  647.288377]  ? ____cache_alloc_node+0x1c7/0x1e0
[  647.293049]  ? lock_downgrade+0x900/0x900
[  647.297208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.302766]  cache_grow_begin+0xa5/0x8c0
[  647.306826]  ? do_raw_spin_unlock+0xa7/0x330
[  647.311254]  fallback_alloc+0x204/0x2e0
[  647.315247]  ____cache_alloc_node+0x1c7/0x1e0
[  647.319766]  kmem_cache_alloc_node+0xe3/0x730
[  647.324271]  ? ipv6_get_ifaddr+0x42e/0x620
[  647.328519]  __alloc_skb+0x119/0x770
[  647.332245]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.337533]  ? netdev_alloc_frag+0x1f0/0x1f0
[  647.341943]  ? lock_downgrade+0x900/0x900
[  647.346102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.351639]  ? refcount_sub_and_test_checked+0x203/0x310
[  647.357098]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  647.362555]  ? addrconf_rs_timer+0x690/0x690
[  647.366980]  ndisc_alloc_skb+0x144/0x340
[  647.371045]  ndisc_send_rs+0x331/0x6e0
[  647.374939]  addrconf_rs_timer+0x314/0x690
[  647.379182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.383435]  call_timer_fn+0x272/0x920
[  647.387325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.391561]  ? process_timeout+0x40/0x40
[  647.395635]  ? mark_held_locks+0xc7/0x130
[  647.399791]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.404288]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.408782]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.413016]  ? lockdep_hardirqs_on+0x296/0x5b0
[  647.417598]  ? trace_hardirqs_on+0xbd/0x310
[  647.421925]  ? kasan_check_read+0x11/0x20
[  647.426075]  ? __run_timers+0x7da/0xc70
[  647.430057]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.435168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.439411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  647.443642]  __run_timers+0x7e5/0xc70
[  647.447454]  ? timer_fixup_init+0x70/0x70
[  647.451604]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  647.456625]  ? zap_class+0x640/0x640
[  647.460349]  ? print_usage_bug+0xc0/0xc0
[  647.464419]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  647.469616]  ? find_held_lock+0x36/0x1c0
[  647.473685]  ? zap_class+0x640/0x640
[  647.477407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.482949]  ? check_preemption_disabled+0x48/0x280
[  647.487975]  ? __lock_is_held+0xb5/0x140
[  647.492044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.497584]  ? check_preemption_disabled+0x48/0x280
[  647.502608]  run_timer_softirq+0x52/0xb0
[  647.506673]  ? rcu_read_lock_sched_held+0x14f/0x180
[  647.511689]  __do_softirq+0x308/0xb7e
[  647.515493]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.519988]  ? lock_downgrade+0x900/0x900
[  647.524141]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  647.529266]  ? pvclock_read_flags+0x160/0x160
[  647.533772]  ? lapic_next_event+0x5a/0x90
[  647.537925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.543473]  ? kvm_clock_read+0x18/0x30
[  647.547448]  ? kvm_sched_clock_read+0x9/0x20
[  647.551873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.557432]  ? check_preemption_disabled+0x48/0x280
[  647.562465]  irq_exit+0x17f/0x1c0
[  647.565926]  smp_apic_timer_interrupt+0x1cb/0x760
[  647.570775]  ? smp_reschedule_interrupt+0x109/0x650
[  647.575791]  ? smp_call_function_single_interrupt+0x650/0x650
[  647.581680]  ? interrupt_entry+0xb5/0xc0
[  647.585747]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.590772]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.595791]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.600641]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.605657]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.610676]  ? task_prio+0x50/0x50
[  647.614223]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.619776]  ? check_preemption_disabled+0x48/0x280
[  647.624809]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.629662]  apic_timer_interrupt+0xf/0x20
[  647.633889]  </IRQ>
[  647.636126] RIP: 0010:dump_stack+0x358/0x39d
[  647.640539] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  647.659463] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  647.667170] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  647.674435] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  647.681703] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  647.688970] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  647.696242] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  647.703535]  ? dump_stack+0x34f/0x39d
[  647.707353]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.712549]  ? mark_held_locks+0x130/0x130
[  647.716782]  ? mark_held_locks+0x130/0x130
[  647.721212]  dump_header+0x27b/0xf72
[  647.724941]  ? pagefault_out_of_memory+0x197/0x197
[  647.729885]  ? __lock_acquire+0x62f/0x4c20
[  647.734125]  ? percpu_ref_get_many+0x240/0x240
[  647.738718]  ? print_usage_bug+0xc0/0xc0
[  647.742789]  ? zap_class+0x640/0x640
[  647.746509]  ? print_usage_bug+0xc0/0xc0
[  647.750568]  ? print_usage_bug+0xc0/0xc0
[  647.754631]  ? zap_class+0x640/0x640
[  647.758351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.763897]  ? find_held_lock+0x36/0x1c0
[  647.767967]  ? mark_held_locks+0xc7/0x130
[  647.772126]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.777240]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  647.782346]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  647.786933]  ? trace_hardirqs_on+0xbd/0x310
[  647.791356]  ? kasan_check_read+0x11/0x20
[  647.795506]  ? ___ratelimit+0x3b4/0x672
[  647.799483]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.804587]  ? trace_hardirqs_on+0x310/0x310
[  647.809003]  ? lock_downgrade+0x900/0x900
[  647.813158]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  647.818272]  ? ___ratelimit+0x3b9/0x672
[  647.822258]  ? idr_get_free+0xf70/0xf70
[  647.826246]  ? find_held_lock+0x36/0x1c0
[  647.830323]  oom_kill_process.cold.27+0x10/0x903
[  647.835081]  ? zap_class+0x640/0x640
[  647.838800]  ? check_preemption_disabled+0x48/0x280
[  647.843825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  647.848759]  ? kasan_check_read+0x11/0x20
[  647.852905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.858191]  ? oom_evaluate_task+0x540/0x540
[  647.862603]  ? find_held_lock+0x36/0x1c0
[  647.866675]  ? out_of_memory+0x974/0x1430
[  647.870825]  ? lock_downgrade+0x900/0x900
[  647.874972]  ? check_preemption_disabled+0x48/0x280
[  647.879993]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  647.884922]  ? kasan_check_read+0x11/0x20
[  647.889073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.894351]  ? rcu_softirq_qs+0x20/0x20
[  647.898332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.903872]  ? oom_evaluate_task+0x302/0x540
[  647.908285]  out_of_memory+0xa84/0x1430
[  647.912282]  ? oom_killer_disable+0x3a0/0x3a0
[  647.916785]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  647.921718]  ? __ww_mutex_check_waiters+0x160/0x160
[  647.926758]  __alloc_pages_slowpath+0x2354/0x2e10
[  647.931631]  ? warn_alloc+0x120/0x120
[  647.935449]  ? mark_held_locks+0x130/0x130
[  647.939692]  ? find_get_entry+0xaae/0x1120
[  647.943936]  ? filemap_map_pages+0x1a20/0x1a20
[  647.948523]  ? zap_class+0x640/0x640
[  647.952249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.957793]  ? check_preemption_disabled+0x48/0x280
[  647.962813]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.968352]  ? should_fail+0x22d/0xd01
[  647.972250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.977358]  ? zap_class+0x640/0x640
[  647.981099]  ? __lock_is_held+0xb5/0x140
[  647.985170]  ? mark_held_locks+0x130/0x130
[  647.989406]  ? lock_release+0xa00/0xa00
[  647.993383]  ? perf_trace_sched_process_exec+0x860/0x860
[  647.998834]  ? xa_load+0x2ba/0x460
[  648.002380]  ? lock_downgrade+0x900/0x900
[  648.006538]  ? __might_sleep+0x95/0x190
[  648.010522]  __alloc_pages_nodemask+0xa80/0xde0
[  648.015204]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  648.020226]  ? __page_cache_alloc+0x191/0x5c0
[  648.024729]  ? xa_load+0x2e1/0x460
[  648.028274]  ? xa_clear_mark+0x40/0x40
[  648.032166]  ? zap_class+0x640/0x640
[  648.035893]  ? zap_class+0x640/0x640
[  648.039605]  ? zap_class+0x640/0x640
[  648.043324]  ? __do_page_cache_readahead+0x663/0x810
[  648.048437]  ? find_held_lock+0x36/0x1c0
[  648.052505]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  648.058056]  alloc_pages_current+0x173/0x350
[  648.062472]  __page_cache_alloc+0x38c/0x5c0
[  648.066794]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.071722]  ? kasan_check_read+0x11/0x20
[  648.075873]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.081153]  ? generic_perform_write+0x6a0/0x6a0
[  648.085915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.091459]  ? check_preemption_disabled+0x48/0x280
[  648.096489]  filemap_fault+0x1595/0x25f0
[  648.100571]  ? __lock_page_or_retry+0xa00/0xa00
[  648.105251]  ? mark_held_locks+0x130/0x130
[  648.109497]  ? filemap_map_pages+0xd6b/0x1a20
[  648.113995]  ? lock_downgrade+0x900/0x900
[  648.118144]  ? check_preemption_disabled+0x48/0x280
[  648.123166]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.128099]  ? kasan_check_read+0x11/0x20
[  648.132259]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.137537]  ? rcu_softirq_qs+0x20/0x20
[  648.141535]  ? filemap_map_pages+0xd92/0x1a20
[  648.146040]  ? print_usage_bug+0xc0/0xc0
[  648.150110]  ? find_get_entries_tag+0x1400/0x1400
[  648.154954]  ? __kasan_slab_free+0x102/0x150
[  648.159362]  ? kasan_slab_free+0xe/0x10
[  648.163335]  ? kmem_cache_free+0x83/0x290
[  648.167489]  ? __sigqueue_free.part.29+0x74/0x90
[  648.172278]  ? lock_acquire+0x1ed/0x520
[  648.176263]  ? ext4_filemap_fault+0x7a/0xad
[  648.180593]  ? lock_release+0xa00/0xa00
[  648.184567]  ? perf_trace_sched_process_exec+0x860/0x860
[  648.190023]  ? print_usage_bug+0xc0/0xc0
[  648.194088]  ? print_usage_bug+0xc0/0xc0
[  648.198168]  ? down_read+0x8d/0x120
[  648.201796]  ? ext4_filemap_fault+0x7a/0xad
[  648.206120]  ? __down_interruptible+0x700/0x700
[  648.210800]  ext4_filemap_fault+0x82/0xad
[  648.214949]  __do_fault+0x100/0x6b0
[  648.218582]  ? pmd_devmap_trans_unstable+0x220/0x220
[  648.223693]  ? mark_held_locks+0x130/0x130
[  648.227934]  ? mark_held_locks+0x130/0x130
[  648.232170]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  648.237710]  ? rcu_pm_notify+0xc0/0xc0
[  648.241614]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.247157]  __handle_mm_fault+0x3ea6/0x5be0
[  648.251576]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  648.256418]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.260917]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  648.265506]  ? trace_hardirqs_on+0xbd/0x310
[  648.269829]  ? kasan_check_read+0x11/0x20
[  648.273975]  ? __set_current_blocked+0xdf/0x120
[  648.278646]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.283768]  ? zap_class+0x640/0x640
[  648.287485]  ? zap_class+0x640/0x640
[  648.291210]  ? find_held_lock+0x36/0x1c0
[  648.295292]  ? handle_mm_fault+0x42a/0xc70
[  648.299533]  ? lock_downgrade+0x900/0x900
[  648.303682]  ? check_preemption_disabled+0x48/0x280
[  648.308710]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.313648]  ? kasan_check_read+0x11/0x20
[  648.317800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.323077]  ? rcu_softirq_qs+0x20/0x20
[  648.327053]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.332162]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.337703]  ? check_preemption_disabled+0x48/0x280
[  648.342734]  handle_mm_fault+0x54f/0xc70
[  648.346809]  ? __handle_mm_fault+0x5be0/0x5be0
[  648.351399]  ? find_vma+0x34/0x190
[  648.354946]  __do_page_fault+0x5e8/0xe60
[  648.359014]  ? exit_to_usermode_loop+0x1f4/0x380
[  648.363787]  do_page_fault+0xf2/0x7e0
[  648.367594]  ? vmalloc_sync_all+0x30/0x30
[  648.371741]  ? error_entry+0x70/0xd0
[  648.375464]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.380480]  ? trace_hardirqs_on_caller+0xc0/0x310
[  648.385413]  ? syscall_return_slowpath+0x5e0/0x5e0
[  648.390343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.395187]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.400202]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  648.405666]  ? prepare_exit_to_usermode+0x291/0x3b0
[  648.410682]  ? page_fault+0x8/0x30
[  648.414226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.419081]  ? page_fault+0x8/0x30
[  648.422620]  page_fault+0x1e/0x30
[  648.426074] RIP: 0033:0x45db60
[  648.429278] Code: Bad RIP value.
[  648.432638] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  648.437996] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  648.445263] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  648.452531] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  648.459801] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  648.467084] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  648.474380] warn_alloc_show_mem: 1 callbacks suppressed
[  648.474393] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  648.474395] Mem-Info:
[  648.474426] active_anon:45842 inactive_anon:131 isolated_anon:0
[  648.474426]  active_file:10 inactive_file:14 isolated_file:0
[  648.474426]  unevictable:0 dirty:0 writeback:0 unstable:0
[  648.474426]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  648.474426]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  648.474426]  free:13767 free_pcp:218 free_cma:0
[  648.479768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  648.486697] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  648.489099] Call Trace:
[  648.521973] 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
[  648.531319]  <IRQ>
[  648.558799] lowmem_reserve[]: 0 2818 6321 6321
[  648.561397]  dump_stack+0x244/0x39d
[  648.587481] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  648.589634]  ? dump_stack_print_info.cold.1+0x20/0x20
[  648.594184] lowmem_reserve[]: 0 0 3503 3503
[  648.597817]  warn_alloc.cold.116+0xb7/0x1bd
[  648.625117] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  648.630312]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  648.634607] lowmem_reserve[]: 0 0 0 0
[  648.638927]  ? lock_downgrade+0x900/0x900
[  648.667795] 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
[  648.672641]  ? trace_hardirqs_off+0xb8/0x310
[  648.676408] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  648.680556]  ? trace_hardirqs_off+0xb8/0x310
[  648.694045] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  648.698463]  __alloc_pages_slowpath+0x26e8/0x2e10
[  648.713702] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  648.718128]  ? warn_alloc+0x120/0x120
[  648.732909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  648.737740]  ? warn_alloc+0x120/0x120
[  648.746557] 162 total pagecache pages
[  648.750352]  ? warn_alloc+0x120/0x120
[  648.758941] 0 pages in swap cache
[  648.762764]  ? print_usage_bug+0xc0/0xc0
[  648.766544] Swap cache stats: add 0, delete 0, find 0/0
[  648.770332]  ? print_usage_bug+0xc0/0xc0
[  648.773762] Free swap  = 0kB
[  648.777816]  ? ktime_get+0x2c1/0x400
[  648.783152] Total swap = 0kB
[  648.787210]  ? check_preemption_disabled+0x48/0x280
[  648.790204] 1965979 pages RAM
[  648.793904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  648.793923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.796916] 0 pages HighMem/MovableOnly
[  648.801925]  ? should_fail+0x22d/0xd01
[  648.805004] 342855 pages reserved
[  648.809493]  ? kasan_check_read+0x11/0x20
[  648.815003] 0 pages cma reserved
[  648.818972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.822892] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  648.826279]  ? __lock_acquire+0x62f/0x4c20
[  648.826298]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.826313]  ? should_fail+0x22d/0xd01
[  648.830549] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  648.833802]  ? print_usage_bug+0xc0/0xc0
[  648.838885] syz-fuzzer cpuset=/ mems_allowed=0
[  648.845376]  ? mark_held_locks+0x130/0x130
[  648.881750]  ? mark_held_locks+0x130/0x130
[  648.885992]  ? check_preemption_disabled+0x48/0x280
[  648.891019]  ? zap_class+0x640/0x640
[  648.894739]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  648.899500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.905039]  ? check_preemption_disabled+0x48/0x280
[  648.910065]  ? __lock_is_held+0xb5/0x140
[  648.914133]  __alloc_pages_nodemask+0xa80/0xde0
[  648.918806]  ? zap_class+0x640/0x640
[  648.922532]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  648.927565]  ? find_held_lock+0x36/0x1c0
[  648.931637]  ? ____cache_alloc_node+0x1c7/0x1e0
[  648.936313]  ? lock_downgrade+0x900/0x900
[  648.940472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.946015]  cache_grow_begin+0xa5/0x8c0
[  648.950077]  ? do_raw_spin_unlock+0xa7/0x330
[  648.954496]  fallback_alloc+0x204/0x2e0
[  648.958480]  ____cache_alloc_node+0x1c7/0x1e0
[  648.962985]  kmem_cache_alloc_node+0xe3/0x730
[  648.967482]  ? lockdep_hardirqs_on+0x296/0x5b0
[  648.972073]  __alloc_skb+0x119/0x770
[  648.975786]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  648.981154]  ? netdev_alloc_frag+0x1f0/0x1f0
[  648.985570]  ? vprintk_default+0x28/0x30
[  648.989630]  ? vprintk_func+0x85/0x181
[  648.993519]  ? printk+0xa7/0xcf
[  648.996799]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  649.001564]  ? do_raw_spin_trylock+0x270/0x270
[  649.006150]  new_skb+0x26/0x1c0
[  649.009431]  aoecmd_cfg+0x279/0x7f0
[  649.013061]  ? find_held_lock+0x36/0x1c0
[  649.017123]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  649.021455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.027006]  ? __lock_is_held+0xb5/0x140
[  649.031081]  discover_timer+0x50/0x60
[  649.034882]  call_timer_fn+0x272/0x920
[  649.038773]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.043619]  ? process_timeout+0x40/0x40
[  649.047690]  ? __run_timers+0x7da/0xc70
[  649.051675]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.056174]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.060668]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.065518]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.070106]  ? trace_hardirqs_on+0xbd/0x310
[  649.074433]  ? kasan_check_read+0x11/0x20
[  649.078585]  ? __run_timers+0x7da/0xc70
[  649.082565]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.087687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.092533]  __run_timers+0x7e5/0xc70
[  649.096348]  ? timer_fixup_init+0x70/0x70
[  649.100502]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.105525]  ? zap_class+0x640/0x640
[  649.109262]  ? enqueue_hrtimer+0x1a5/0x560
[  649.113504]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  649.118707]  ? find_held_lock+0x36/0x1c0
[  649.122778]  ? zap_class+0x640/0x640
[  649.126501]  ? pvclock_read_flags+0x160/0x160
[  649.131008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.136553]  ? check_preemption_disabled+0x48/0x280
[  649.141581]  ? __lock_is_held+0xb5/0x140
[  649.145648]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.151188]  ? check_preemption_disabled+0x48/0x280
[  649.156211]  run_timer_softirq+0x52/0xb0
[  649.160291]  ? rcu_read_lock_sched_held+0x14f/0x180
[  649.165308]  __do_softirq+0x308/0xb7e
[  649.169115]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.173611]  ? lock_downgrade+0x900/0x900
[  649.177765]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  649.182878]  ? pvclock_read_flags+0x160/0x160
[  649.187378]  ? lapic_next_event+0x5a/0x90
[  649.191534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.197083]  ? kvm_clock_read+0x18/0x30
[  649.201058]  ? kvm_sched_clock_read+0x9/0x20
[  649.205469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.211022]  ? check_preemption_disabled+0x48/0x280
[  649.216049]  irq_exit+0x17f/0x1c0
[  649.219509]  smp_apic_timer_interrupt+0x1cb/0x760
[  649.224353]  ? smp_call_function_single_interrupt+0x159/0x650
[  649.230253]  ? smp_call_function_single_interrupt+0x650/0x650
[  649.236146]  ? interrupt_entry+0xb5/0xc0
[  649.240212]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.245253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.250286]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.255133]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.260150]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.265167]  ? task_prio+0x50/0x50
[  649.268709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.274263]  ? check_preemption_disabled+0x48/0x280
[  649.279295]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.284146]  apic_timer_interrupt+0xf/0x20
[  649.288375]  </IRQ>
[  649.290612] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  649.295542] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  649.314442] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  649.322150] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  649.329419] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  649.336685] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  649.343951] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  649.351218] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  649.358545]  skb_clone+0x1bb/0x500
[  649.362086]  ? finish_task_switch+0x2f4/0x910
[  649.366581]  ? skb_split+0x11e0/0x11e0
[  649.370478]  ? preempt_notifier_register+0x200/0x200
[  649.375584]  ? __switch_to_asm+0x34/0x70
[  649.379644]  ? __switch_to_asm+0x34/0x70
[  649.383704]  ? __switch_to_asm+0x40/0x70
[  649.387762]  ? __switch_to_asm+0x34/0x70
[  649.391824]  ? __switch_to_asm+0x40/0x70
[  649.395884]  ? __switch_to_asm+0x34/0x70
[  649.399943]  ? __switch_to_asm+0x40/0x70
[  649.404003]  ? __switch_to_asm+0x34/0x70
[  649.408069]  ? __switch_to_asm+0x34/0x70
[  649.412129]  ? __switch_to_asm+0x40/0x70
[  649.416188]  ? __switch_to_asm+0x34/0x70
[  649.420272]  bpf_clone_redirect+0xb9/0x490
[  649.424508]  ? __schedule+0x8d7/0x21d0
[  649.428406]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  649.433424]  ? __sched_text_start+0x8/0x8
[  649.437577]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  649.442158]  ? retint_kernel+0x2d/0x2d
[  649.446047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  649.450986]  ? find_held_lock+0x36/0x1c0
[  649.455057]  ? lock_acquire+0x1ed/0x520
[  649.459031]  ? bpf_test_run+0x3cb/0x780
[  649.463036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.468578]  ? check_preemption_disabled+0x48/0x280
[  649.473602]  ? kasan_check_read+0x11/0x20
[  649.477749]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.483026]  ? rcu_softirq_qs+0x20/0x20
[  649.487000]  ? preempt_schedule+0x4d/0x60
[  649.491149]  ? ___preempt_schedule+0x16/0x18
[  649.495585]  ? bpf_test_run+0x25d/0x780
[  649.499576]  ? netlink_diag_dump+0x2a0/0x2a0
[  649.503998]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.509534]  ? bpf_test_init.isra.10+0x70/0x100
[  649.514208]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  649.518990]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  649.523834]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  649.529374]  ? fput+0x130/0x1a0
[  649.532655]  ? __bpf_prog_get+0x9b/0x290
[  649.536720]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  649.541563]  ? bpf_prog_test_run+0x130/0x1a0
[  649.545976]  ? __x64_sys_bpf+0x3d8/0x520
[  649.550039]  ? bpf_prog_get+0x20/0x20
[  649.553860]  ? do_syscall_64+0x1b9/0x820
[  649.557923]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  649.563293]  ? syscall_return_slowpath+0x5e0/0x5e0
[  649.568228]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.573270]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  649.578289]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  649.584957]  ? __switch_to_asm+0x40/0x70
[  649.589017]  ? __switch_to_asm+0x34/0x70
[  649.593086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.597940]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  649.603323] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  649.603410] aoe: skb alloc failure
[  649.609902] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  649.609908] Call Trace:
[  649.609915]  <IRQ>
[  649.609933]  dump_stack+0x244/0x39d
[  649.609952]  ? dump_stack_print_info.cold.1+0x20/0x20
[  649.613503] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  649.622836]  warn_alloc.cold.116+0xb7/0x1bd
[  649.625386] syz-executor3 cpuset=syz3 mems_allowed=0
[  649.627530]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  649.661022]  ? lock_downgrade+0x900/0x900
[  649.665185]  ? trace_hardirqs_off+0xb8/0x310
[  649.669602]  ? trace_hardirqs_off+0xb8/0x310
[  649.674024]  __alloc_pages_slowpath+0x26e8/0x2e10
[  649.678902]  ? warn_alloc+0x120/0x120
[  649.682710]  ? print_usage_bug+0xc0/0xc0
[  649.686775]  ? warn_alloc+0x120/0x120
[  649.690582]  ? warn_alloc+0x120/0x120
[  649.694393]  ? print_usage_bug+0xc0/0xc0
[  649.698462]  ? print_usage_bug+0xc0/0xc0
[  649.702525]  ? __lock_acquire+0x62f/0x4c20
[  649.706775]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.712326]  ? should_fail+0x22d/0xd01
[  649.716224]  ? __lock_acquire+0x62f/0x4c20
[  649.720473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.725911]  ? __lock_acquire+0x62f/0x4c20
[  649.730156]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.735263]  ? __lock_acquire+0x62f/0x4c20
[  649.739495]  ? should_fail+0x22d/0xd01
[  649.743395]  ? mark_held_locks+0x130/0x130
[  649.747638]  ? mark_held_locks+0x130/0x130
[  649.751872]  ? zap_class+0x640/0x640
[  649.755590]  ? zap_class+0x640/0x640
[  649.759308]  ? print_usage_bug+0xc0/0xc0
[  649.763369]  ? do_raw_spin_unlock+0xa7/0x330
[  649.767782]  ? zap_class+0x640/0x640
[  649.771516]  ? print_usage_bug+0xc0/0xc0
[  649.775579]  ? wq_watchdog_touch+0x9c/0xfe
[  649.779820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.785359]  ? check_preemption_disabled+0x48/0x280
[  649.790391]  ? __lock_is_held+0xb5/0x140
[  649.794464]  __alloc_pages_nodemask+0xa80/0xde0
[  649.799137]  ? zap_class+0x640/0x640
[  649.802855]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  649.807882]  ? find_held_lock+0x36/0x1c0
[  649.811960]  ? ____cache_alloc_node+0x1c7/0x1e0
[  649.816634]  ? lock_downgrade+0x900/0x900
[  649.820797]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.826341]  cache_grow_begin+0xa5/0x8c0
[  649.830407]  ? do_raw_spin_unlock+0xa7/0x330
[  649.834828]  fallback_alloc+0x204/0x2e0
[  649.838808]  ____cache_alloc_node+0x1c7/0x1e0
[  649.843313]  kmem_cache_alloc_node+0xe3/0x730
[  649.847813]  ? ipv6_get_ifaddr+0x42e/0x620
[  649.852060]  __alloc_skb+0x119/0x770
[  649.855780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.861060]  ? netdev_alloc_frag+0x1f0/0x1f0
[  649.865469]  ? lock_downgrade+0x900/0x900
[  649.869630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.875171]  ? refcount_sub_and_test_checked+0x203/0x310
[  649.880624]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  649.886076]  ? addrconf_rs_timer+0x690/0x690
[  649.890505]  ndisc_alloc_skb+0x144/0x340
[  649.894573]  ndisc_send_rs+0x331/0x6e0
[  649.898466]  addrconf_rs_timer+0x314/0x690
[  649.902706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.906952]  call_timer_fn+0x272/0x920
[  649.910838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.915071]  ? process_timeout+0x40/0x40
[  649.919156]  ? mark_held_locks+0xc7/0x130
[  649.923312]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.927806]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.932303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.936542]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.941125]  ? trace_hardirqs_on+0xbd/0x310
[  649.945449]  ? kasan_check_read+0x11/0x20
[  649.949598]  ? __run_timers+0x7da/0xc70
[  649.953573]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.958697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  649.962940]  __run_timers+0x7e5/0xc70
[  649.966758]  ? timer_fixup_init+0x70/0x70
[  649.970911]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.975931]  ? zap_class+0x640/0x640
[  649.979649]  ? print_usage_bug+0xc0/0xc0
[  649.983716]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  649.988916]  ? find_held_lock+0x36/0x1c0
[  649.992984]  ? zap_class+0x640/0x640
[  649.996703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.002251]  ? check_preemption_disabled+0x48/0x280
[  650.007281]  ? __lock_is_held+0xb5/0x140
[  650.011345]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.016882]  ? check_preemption_disabled+0x48/0x280
[  650.021907]  run_timer_softirq+0x52/0xb0
[  650.025972]  ? rcu_read_lock_sched_held+0x14f/0x180
[  650.030992]  __do_softirq+0x308/0xb7e
[  650.034801]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  650.039296]  ? lock_downgrade+0x900/0x900
[  650.043451]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  650.048566]  ? pvclock_read_flags+0x160/0x160
[  650.053065]  ? lapic_next_event+0x5a/0x90
[  650.057219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.062776]  ? kvm_clock_read+0x18/0x30
[  650.066776]  ? kvm_sched_clock_read+0x9/0x20
[  650.071189]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.076734]  ? check_preemption_disabled+0x48/0x280
[  650.081770]  irq_exit+0x17f/0x1c0
[  650.085225]  smp_apic_timer_interrupt+0x1cb/0x760
[  650.090077]  ? smp_reschedule_interrupt+0x109/0x650
[  650.095098]  ? smp_call_function_single_interrupt+0x650/0x650
[  650.100982]  ? interrupt_entry+0xb5/0xc0
[  650.105045]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.110058]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.115081]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.119924]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.124943]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.129958]  ? task_prio+0x50/0x50
[  650.133505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.139043]  ? check_preemption_disabled+0x48/0x280
[  650.144068]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.148922]  apic_timer_interrupt+0xf/0x20
[  650.153151]  </IRQ>
[  650.155395] RIP: 0010:dump_stack+0x358/0x39d
[  650.159805] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  650.178706] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  650.186415] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  650.193685] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  650.200949] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  650.208217] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  650.215491] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  650.222789]  ? dump_stack+0x34f/0x39d
[  650.226608]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.231805]  ? mark_held_locks+0x130/0x130
[  650.236042]  ? mark_held_locks+0x130/0x130
[  650.240287]  dump_header+0x27b/0xf72
[  650.244018]  ? pagefault_out_of_memory+0x197/0x197
[  650.248960]  ? __lock_acquire+0x62f/0x4c20
[  650.253202]  ? percpu_ref_get_many+0x240/0x240
[  650.257794]  ? print_usage_bug+0xc0/0xc0
[  650.261865]  ? zap_class+0x640/0x640
[  650.265587]  ? print_usage_bug+0xc0/0xc0
[  650.269648]  ? print_usage_bug+0xc0/0xc0
[  650.273712]  ? zap_class+0x640/0x640
[  650.277437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.282981]  ? find_held_lock+0x36/0x1c0
[  650.287056]  ? mark_held_locks+0xc7/0x130
[  650.291209]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.296326]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.301429]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  650.306017]  ? trace_hardirqs_on+0xbd/0x310
[  650.310338]  ? kasan_check_read+0x11/0x20
[  650.314483]  ? ___ratelimit+0x3b4/0x672
[  650.318458]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.323563]  ? trace_hardirqs_on+0x310/0x310
[  650.327974]  ? lock_downgrade+0x900/0x900
[  650.332129]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  650.337241]  ? ___ratelimit+0x3b9/0x672
[  650.341219]  ? idr_get_free+0xf70/0xf70
[  650.345205]  ? find_held_lock+0x36/0x1c0
[  650.349286]  oom_kill_process.cold.27+0x10/0x903
[  650.354043]  ? zap_class+0x640/0x640
[  650.357768]  ? check_preemption_disabled+0x48/0x280
[  650.362788]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.367751]  ? kasan_check_read+0x11/0x20
[  650.371900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.377179]  ? oom_evaluate_task+0x540/0x540
[  650.381595]  ? find_held_lock+0x36/0x1c0
[  650.385665]  ? out_of_memory+0x974/0x1430
[  650.389817]  ? lock_downgrade+0x900/0x900
[  650.393973]  ? check_preemption_disabled+0x48/0x280
[  650.398996]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.403930]  ? kasan_check_read+0x11/0x20
[  650.408081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.413361]  ? rcu_softirq_qs+0x20/0x20
[  650.417346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.422883]  ? oom_evaluate_task+0x302/0x540
[  650.427296]  out_of_memory+0xa84/0x1430
[  650.431282]  ? oom_killer_disable+0x3a0/0x3a0
[  650.435784]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  650.440721]  ? __ww_mutex_check_waiters+0x160/0x160
[  650.445764]  __alloc_pages_slowpath+0x2354/0x2e10
[  650.450638]  ? warn_alloc+0x120/0x120
[  650.454441]  ? mark_held_locks+0x130/0x130
[  650.458685]  ? find_get_entry+0xaae/0x1120
[  650.462934]  ? filemap_map_pages+0x1a20/0x1a20
[  650.467521]  ? zap_class+0x640/0x640
[  650.471254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.476794]  ? check_preemption_disabled+0x48/0x280
[  650.481815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.487353]  ? should_fail+0x22d/0xd01
[  650.491257]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.496364]  ? zap_class+0x640/0x640
[  650.500106]  ? __lock_is_held+0xb5/0x140
[  650.504179]  ? mark_held_locks+0x130/0x130
[  650.508419]  ? lock_release+0xa00/0xa00
[  650.512395]  ? perf_trace_sched_process_exec+0x860/0x860
[  650.517849]  ? xa_load+0x2ba/0x460
[  650.521418]  ? lock_downgrade+0x900/0x900
[  650.525572]  ? __might_sleep+0x95/0x190
[  650.529557]  __alloc_pages_nodemask+0xa80/0xde0
[  650.534242]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  650.539269]  ? __page_cache_alloc+0x191/0x5c0
[  650.543767]  ? xa_load+0x2e1/0x460
[  650.547308]  ? xa_clear_mark+0x40/0x40
[  650.551202]  ? zap_class+0x640/0x640
[  650.554932]  ? zap_class+0x640/0x640
[  650.558647]  ? zap_class+0x640/0x640
[  650.562361]  ? __do_page_cache_readahead+0x663/0x810
[  650.567472]  ? find_held_lock+0x36/0x1c0
[  650.571539]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  650.577095]  alloc_pages_current+0x173/0x350
[  650.581516]  __page_cache_alloc+0x38c/0x5c0
[  650.585835]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.590771]  ? kasan_check_read+0x11/0x20
[  650.594921]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.600204]  ? generic_perform_write+0x6a0/0x6a0
[  650.604975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.610518]  ? check_preemption_disabled+0x48/0x280
[  650.615544]  filemap_fault+0x1595/0x25f0
[  650.619626]  ? __lock_page_or_retry+0xa00/0xa00
[  650.624300]  ? mark_held_locks+0x130/0x130
[  650.628546]  ? filemap_map_pages+0xd6b/0x1a20
[  650.633049]  ? lock_downgrade+0x900/0x900
[  650.637197]  ? check_preemption_disabled+0x48/0x280
[  650.642222]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.647160]  ? kasan_check_read+0x11/0x20
[  650.651308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.656588]  ? rcu_softirq_qs+0x20/0x20
[  650.660580]  ? filemap_map_pages+0xd92/0x1a20
[  650.665082]  ? print_usage_bug+0xc0/0xc0
[  650.669154]  ? find_get_entries_tag+0x1400/0x1400
[  650.674005]  ? __kasan_slab_free+0x102/0x150
[  650.678416]  ? kasan_slab_free+0xe/0x10
[  650.682394]  ? kmem_cache_free+0x83/0x290
[  650.686542]  ? __sigqueue_free.part.29+0x74/0x90
[  650.691317]  ? lock_acquire+0x1ed/0x520
[  650.695290]  ? ext4_filemap_fault+0x7a/0xad
[  650.699623]  ? lock_release+0xa00/0xa00
[  650.703599]  ? perf_trace_sched_process_exec+0x860/0x860
[  650.709049]  ? print_usage_bug+0xc0/0xc0
[  650.713114]  ? print_usage_bug+0xc0/0xc0
[  650.717187]  ? down_read+0x8d/0x120
[  650.720840]  ? ext4_filemap_fault+0x7a/0xad
[  650.725167]  ? __down_interruptible+0x700/0x700
[  650.729846]  ext4_filemap_fault+0x82/0xad
[  650.733998]  __do_fault+0x100/0x6b0
[  650.737633]  ? pmd_devmap_trans_unstable+0x220/0x220
[  650.742741]  ? mark_held_locks+0x130/0x130
[  650.746983]  ? mark_held_locks+0x130/0x130
[  650.751222]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  650.756773]  ? rcu_pm_notify+0xc0/0xc0
[  650.760670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.766219]  __handle_mm_fault+0x3ea6/0x5be0
[  650.770647]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  650.775489]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.779986]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  650.784574]  ? trace_hardirqs_on+0xbd/0x310
[  650.788894]  ? kasan_check_read+0x11/0x20
[  650.793045]  ? __set_current_blocked+0xdf/0x120
[  650.797715]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.802840]  ? zap_class+0x640/0x640
[  650.806553]  ? zap_class+0x640/0x640
[  650.810275]  ? find_held_lock+0x36/0x1c0
[  650.814349]  ? handle_mm_fault+0x42a/0xc70
[  650.818590]  ? lock_downgrade+0x900/0x900
[  650.822755]  ? check_preemption_disabled+0x48/0x280
[  650.827779]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  650.832713]  ? kasan_check_read+0x11/0x20
[  650.836864]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.842145]  ? rcu_softirq_qs+0x20/0x20
[  650.846122]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.851231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.857305]  ? check_preemption_disabled+0x48/0x280
[  650.862334]  handle_mm_fault+0x54f/0xc70
[  650.866400]  ? __handle_mm_fault+0x5be0/0x5be0
[  650.870987]  ? find_vma+0x34/0x190
[  650.874534]  __do_page_fault+0x5e8/0xe60
[  650.878597]  ? exit_to_usermode_loop+0x1f4/0x380
[  650.883365]  do_page_fault+0xf2/0x7e0
[  650.887167]  ? vmalloc_sync_all+0x30/0x30
[  650.891314]  ? error_entry+0x70/0xd0
[  650.895034]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.900048]  ? trace_hardirqs_on_caller+0xc0/0x310
[  650.904977]  ? syscall_return_slowpath+0x5e0/0x5e0
[  650.909926]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.914780]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.919798]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  650.925262]  ? prepare_exit_to_usermode+0x291/0x3b0
[  650.930279]  ? page_fault+0x8/0x30
[  650.933824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.938667]  ? page_fault+0x8/0x30
[  650.942210]  page_fault+0x1e/0x30
[  650.945669] RIP: 0033:0x45db60
[  650.948872] Code: Bad RIP value.
[  650.952232] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  650.957600] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  650.964866] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  650.972152] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  650.979421] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  650.986687] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  650.993981] warn_alloc_show_mem: 1 callbacks suppressed
[  650.993993] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  650.993995] Mem-Info:
[  650.994026] active_anon:45842 inactive_anon:131 isolated_anon:0
[  650.994026]  active_file:10 inactive_file:14 isolated_file:0
[  650.994026]  unevictable:0 dirty:0 writeback:0 unstable:0
[  650.994026]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  650.994026]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  650.994026]  free:13767 free_pcp:218 free_cma:0
[  650.999366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  651.006297] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  651.008698] Call Trace:
[  651.041578] 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
[  651.050934]  <IRQ>
[  651.078417] lowmem_reserve[]: 0 2818 6321 6321
[  651.081022]  dump_stack+0x244/0x39d
[  651.107115] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  651.109286]  ? dump_stack_print_info.cold.1+0x20/0x20
[  651.113821] lowmem_reserve[]: 0 0 3503 3503
[  651.117463]  warn_alloc.cold.116+0xb7/0x1bd
[  651.144769] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  651.149968]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  651.154262] lowmem_reserve[]: 0 0 0 0
[  651.158585]  ? lock_downgrade+0x900/0x900
[  651.187459] 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
[  651.192314]  ? trace_hardirqs_off+0xb8/0x310
[  651.196080] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  651.200225]  ? trace_hardirqs_off+0xb8/0x310
[  651.213757] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  651.218178]  __alloc_pages_slowpath+0x26e8/0x2e10
[  651.233419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  651.237852]  ? warn_alloc+0x120/0x120
[  651.252642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  651.257484]  ? warn_alloc+0x120/0x120
[  651.266297] 162 total pagecache pages
[  651.270100]  ? __lock_acquire+0x62f/0x4c20
[  651.278654] 0 pages in swap cache
[  651.282455]  ? warn_alloc+0x120/0x120
[  651.286229] Swap cache stats: add 0, delete 0, find 0/0
[  651.290471]  ? print_usage_bug+0xc0/0xc0
[  651.293898] Free swap  = 0kB
[  651.297696]  ? print_usage_bug+0xc0/0xc0
[  651.303031] Total swap = 0kB
[  651.307088]  ? mark_held_locks+0x130/0x130
[  651.310078] 1965979 pages RAM
[  651.314136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.317119] 0 pages HighMem/MovableOnly
[  651.317127] 342855 pages reserved
[  651.321359]  ? should_fail+0x22d/0xd01
[  651.324440] 0 pages cma reserved
[  651.329970]  ? zap_class+0x640/0x640
[  651.333983] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  651.337373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.337391]  ? __lock_acquire+0x62f/0x4c20
[  651.337408]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.341334] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  651.344633]  ? should_fail+0x22d/0xd01
[  651.348322] syz-fuzzer cpuset=/ mems_allowed=0
[  651.354819]  ? mark_held_locks+0x130/0x130
[  651.392087]  ? mark_held_locks+0x130/0x130
[  651.396327]  ? lock_downgrade+0x900/0x900
[  651.400481]  ? zap_class+0x640/0x640
[  651.404194]  ? zap_class+0x640/0x640
[  651.407908]  ? zap_class+0x640/0x640
[  651.411624]  ? do_raw_spin_unlock+0xa7/0x330
[  651.416033]  ? trace_hardirqs_on+0x310/0x310
[  651.420444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.425982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.431525]  ? check_preemption_disabled+0x48/0x280
[  651.436557]  ? __lock_is_held+0xb5/0x140
[  651.440634]  __alloc_pages_nodemask+0xa80/0xde0
[  651.445313]  ? zap_class+0x640/0x640
[  651.449035]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  651.454066]  ? find_held_lock+0x36/0x1c0
[  651.458145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  651.462819]  ? lock_downgrade+0x900/0x900
[  651.466978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.472531]  cache_grow_begin+0xa5/0x8c0
[  651.476595]  ? do_raw_spin_unlock+0xa7/0x330
[  651.481018]  fallback_alloc+0x204/0x2e0
[  651.485002]  ____cache_alloc_node+0x1c7/0x1e0
[  651.489508]  kmem_cache_alloc_node+0xe3/0x730
[  651.494008]  ? lockdep_hardirqs_on+0x296/0x5b0
[  651.498607]  __alloc_skb+0x119/0x770
[  651.502330]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  651.507700]  ? netdev_alloc_frag+0x1f0/0x1f0
[  651.512121]  ? vprintk_default+0x28/0x30
[  651.516184]  ? vprintk_func+0x85/0x181
[  651.520074]  ? printk+0xa7/0xcf
[  651.523358]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  651.528124]  ? do_raw_spin_trylock+0x270/0x270
[  651.532712]  new_skb+0x26/0x1c0
[  651.535999]  aoecmd_cfg+0x279/0x7f0
[  651.539716]  ? find_held_lock+0x36/0x1c0
[  651.543785]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  651.548115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.553667]  ? __lock_is_held+0xb5/0x140
[  651.557742]  discover_timer+0x50/0x60
[  651.561548]  call_timer_fn+0x272/0x920
[  651.565455]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  651.570303]  ? process_timeout+0x40/0x40
[  651.574373]  ? __run_timers+0x7da/0xc70
[  651.578369]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.582864]  ? _raw_spin_unlock_irq+0x27/0x80
[  651.587360]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  651.592204]  ? lockdep_hardirqs_on+0x296/0x5b0
[  651.596797]  ? trace_hardirqs_on+0xbd/0x310
[  651.601124]  ? kasan_check_read+0x11/0x20
[  651.605278]  ? __run_timers+0x7da/0xc70
[  651.609273]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.614398]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  651.619259]  __run_timers+0x7e5/0xc70
[  651.623076]  ? timer_fixup_init+0x70/0x70
[  651.627230]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  651.632275]  ? zap_class+0x640/0x640
[  651.635996]  ? enqueue_hrtimer+0x1a5/0x560
[  651.641196]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  651.646399]  ? find_held_lock+0x36/0x1c0
[  651.650472]  ? zap_class+0x640/0x640
[  651.654195]  ? pvclock_read_flags+0x160/0x160
[  651.658701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.664262]  ? check_preemption_disabled+0x48/0x280
[  651.669296]  ? __lock_is_held+0xb5/0x140
[  651.673366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.678909]  ? check_preemption_disabled+0x48/0x280
[  651.683934]  run_timer_softirq+0x52/0xb0
[  651.688001]  ? rcu_read_lock_sched_held+0x14f/0x180
[  651.693029]  __do_softirq+0x308/0xb7e
[  651.696842]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  651.701364]  ? lock_downgrade+0x900/0x900
[  651.705524]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  651.710645]  ? pvclock_read_flags+0x160/0x160
[  651.715149]  ? lapic_next_event+0x5a/0x90
[  651.719301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.725318]  ? kvm_clock_read+0x18/0x30
[  651.729291]  ? kvm_sched_clock_read+0x9/0x20
[  651.733710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.739261]  ? check_preemption_disabled+0x48/0x280
[  651.744291]  irq_exit+0x17f/0x1c0
[  651.747747]  smp_apic_timer_interrupt+0x1cb/0x760
[  651.752589]  ? smp_call_function_single_interrupt+0x159/0x650
[  651.758477]  ? smp_call_function_single_interrupt+0x650/0x650
[  651.764367]  ? interrupt_entry+0xb5/0xc0
[  651.768431]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.773444]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.778464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.783313]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.788332]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.793351]  ? task_prio+0x50/0x50
[  651.796913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.802457]  ? check_preemption_disabled+0x48/0x280
[  651.807484]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.812341]  apic_timer_interrupt+0xf/0x20
[  651.816572]  </IRQ>
[  651.818815] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  651.823748] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  651.842657] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  651.850370] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  651.857642] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  651.864911] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  651.872179] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  651.879445] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  651.886765]  skb_clone+0x1bb/0x500
[  651.890309]  ? finish_task_switch+0x2f4/0x910
[  651.894809]  ? skb_split+0x11e0/0x11e0
[  651.898700]  ? preempt_notifier_register+0x200/0x200
[  651.903809]  ? __switch_to_asm+0x34/0x70
[  651.907876]  ? __switch_to_asm+0x34/0x70
[  651.911946]  ? __switch_to_asm+0x40/0x70
[  651.916006]  ? __switch_to_asm+0x34/0x70
[  651.920064]  ? __switch_to_asm+0x40/0x70
[  651.924122]  ? __switch_to_asm+0x34/0x70
[  651.928183]  ? __switch_to_asm+0x40/0x70
[  651.932260]  ? __switch_to_asm+0x34/0x70
[  651.936336]  ? __switch_to_asm+0x34/0x70
[  651.940396]  ? __switch_to_asm+0x40/0x70
[  651.944457]  ? __switch_to_asm+0x34/0x70
[  651.948528]  bpf_clone_redirect+0xb9/0x490
[  651.952767]  ? __schedule+0x8d7/0x21d0
[  651.956669]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  651.961690]  ? __sched_text_start+0x8/0x8
[  651.965844]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  651.970433]  ? retint_kernel+0x2d/0x2d
[  651.974325]  ? trace_hardirqs_on_caller+0xc0/0x310
[  651.979270]  ? find_held_lock+0x36/0x1c0
[  651.983342]  ? lock_acquire+0x1ed/0x520
[  651.987318]  ? bpf_test_run+0x3cb/0x780
[  651.991295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.996834]  ? check_preemption_disabled+0x48/0x280
[  652.001863]  ? kasan_check_read+0x11/0x20
[  652.006014]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.011295]  ? rcu_softirq_qs+0x20/0x20
[  652.015283]  ? preempt_schedule+0x4d/0x60
[  652.019436]  ? ___preempt_schedule+0x16/0x18
[  652.023854]  ? bpf_test_run+0x25d/0x780
[  652.027843]  ? netlink_diag_dump+0x2a0/0x2a0
[  652.032268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.037811]  ? bpf_test_init.isra.10+0x70/0x100
[  652.042495]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  652.047277]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.052124]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  652.057661]  ? fput+0x130/0x1a0
[  652.060946]  ? __bpf_prog_get+0x9b/0x290
[  652.065011]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.069850]  ? bpf_prog_test_run+0x130/0x1a0
[  652.074271]  ? __x64_sys_bpf+0x3d8/0x520
[  652.078335]  ? bpf_prog_get+0x20/0x20
[  652.082158]  ? do_syscall_64+0x1b9/0x820
[  652.086227]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  652.091614]  ? syscall_return_slowpath+0x5e0/0x5e0
[  652.096548]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.101572]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  652.106597]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  652.113277]  ? __switch_to_asm+0x40/0x70
[  652.117341]  ? __switch_to_asm+0x34/0x70
[  652.121409]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.126278]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  652.131668] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  652.131736] aoe: skb alloc failure
[  652.138257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  652.138262] Call Trace:
[  652.138268]  <IRQ>
[  652.138287]  dump_stack+0x244/0x39d
[  652.138306]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.138334]  warn_alloc.cold.116+0xb7/0x1bd
[  652.141873] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.151198]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  652.153759] syz-executor3 cpuset=syz3 mems_allowed=0
[  652.155908]  ? lock_downgrade+0x900/0x900
[  652.193521]  ? trace_hardirqs_off+0xb8/0x310
[  652.197940]  ? trace_hardirqs_off+0xb8/0x310
[  652.202364]  __alloc_pages_slowpath+0x26e8/0x2e10
[  652.207247]  ? warn_alloc+0x120/0x120
[  652.211054]  ? print_usage_bug+0xc0/0xc0
[  652.215122]  ? warn_alloc+0x120/0x120
[  652.218931]  ? warn_alloc+0x120/0x120
[  652.222738]  ? print_usage_bug+0xc0/0xc0
[  652.226845]  ? print_usage_bug+0xc0/0xc0
[  652.230909]  ? __lock_acquire+0x62f/0x4c20
[  652.235156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.240698]  ? should_fail+0x22d/0xd01
[  652.244591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.249696]  ? __lock_acquire+0x62f/0x4c20
[  652.253942]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.259048]  ? __lock_acquire+0x62f/0x4c20
[  652.263283]  ? should_fail+0x22d/0xd01
[  652.267174]  ? find_held_lock+0x36/0x1c0
[  652.271252]  ? mark_held_locks+0x130/0x130
[  652.275495]  ? mark_held_locks+0x130/0x130
[  652.279729]  ? zap_class+0x640/0x640
[  652.283453]  ? zap_class+0x640/0x640
[  652.287179]  ? print_usage_bug+0xc0/0xc0
[  652.291246]  ? do_raw_spin_unlock+0xa7/0x330
[  652.295658]  ? zap_class+0x640/0x640
[  652.299376]  ? print_usage_bug+0xc0/0xc0
[  652.303441]  ? wq_watchdog_touch+0x9c/0xfe
[  652.307687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.313228]  ? check_preemption_disabled+0x48/0x280
[  652.318277]  ? __lock_is_held+0xb5/0x140
[  652.322350]  __alloc_pages_nodemask+0xa80/0xde0
[  652.327021]  ? zap_class+0x640/0x640
[  652.330754]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  652.335796]  ? find_held_lock+0x36/0x1c0
[  652.339878]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.344555]  ? lock_downgrade+0x900/0x900
[  652.348713]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.354275]  cache_grow_begin+0xa5/0x8c0
[  652.358341]  ? do_raw_spin_unlock+0xa7/0x330
[  652.362765]  fallback_alloc+0x204/0x2e0
[  652.366753]  ____cache_alloc_node+0x1c7/0x1e0
[  652.371266]  kmem_cache_alloc_node+0xe3/0x730
[  652.375769]  ? ipv6_get_ifaddr+0x42e/0x620
[  652.380022]  __alloc_skb+0x119/0x770
[  652.383738]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.389027]  ? netdev_alloc_frag+0x1f0/0x1f0
[  652.393438]  ? lock_downgrade+0x900/0x900
[  652.397598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.403143]  ? refcount_sub_and_test_checked+0x203/0x310
[  652.408602]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  652.414052]  ? addrconf_rs_timer+0x690/0x690
[  652.418476]  ndisc_alloc_skb+0x144/0x340
[  652.422548]  ndisc_send_rs+0x331/0x6e0
[  652.426441]  addrconf_rs_timer+0x314/0x690
[  652.430680]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.434930]  call_timer_fn+0x272/0x920
[  652.438818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.443056]  ? process_timeout+0x40/0x40
[  652.447127]  ? mark_held_locks+0xc7/0x130
[  652.451285]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.455780]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.460274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.464510]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.469095]  ? trace_hardirqs_on+0xbd/0x310
[  652.473418]  ? kasan_check_read+0x11/0x20
[  652.477565]  ? __run_timers+0x7da/0xc70
[  652.481545]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.486654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.490898]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  652.495132]  __run_timers+0x7e5/0xc70
[  652.498945]  ? timer_fixup_init+0x70/0x70
[  652.503102]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  652.508124]  ? zap_class+0x640/0x640
[  652.511847]  ? print_usage_bug+0xc0/0xc0
[  652.515912]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  652.521115]  ? find_held_lock+0x36/0x1c0
[  652.525186]  ? zap_class+0x640/0x640
[  652.528911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.534459]  ? check_preemption_disabled+0x48/0x280
[  652.539488]  ? __lock_is_held+0xb5/0x140
[  652.543556]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.549098]  ? check_preemption_disabled+0x48/0x280
[  652.554122]  run_timer_softirq+0x52/0xb0
[  652.558186]  ? rcu_read_lock_sched_held+0x14f/0x180
[  652.563210]  __do_softirq+0x308/0xb7e
[  652.567024]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  652.571520]  ? lock_downgrade+0x900/0x900
[  652.575680]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  652.580801]  ? pvclock_read_flags+0x160/0x160
[  652.585302]  ? lapic_next_event+0x5a/0x90
[  652.589459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.595005]  ? kvm_clock_read+0x18/0x30
[  652.598982]  ? kvm_sched_clock_read+0x9/0x20
[  652.603399]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.608939]  ? check_preemption_disabled+0x48/0x280
[  652.613970]  irq_exit+0x17f/0x1c0
[  652.617438]  smp_apic_timer_interrupt+0x1cb/0x760
[  652.622279]  ? smp_reschedule_interrupt+0x109/0x650
[  652.627305]  ? smp_call_function_single_interrupt+0x650/0x650
[  652.633195]  ? interrupt_entry+0xb5/0xc0
[  652.637274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.642289]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.647317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.652163]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.657178]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.662196]  ? task_prio+0x50/0x50
[  652.665753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.671306]  ? check_preemption_disabled+0x48/0x280
[  652.676338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.681197]  apic_timer_interrupt+0xf/0x20
[  652.685430]  </IRQ>
[  652.687673] RIP: 0010:dump_stack+0x358/0x39d
[  652.692083] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  652.710989] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  652.718705] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  652.725977] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  652.733256] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  652.740525] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  652.747793] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  652.755094]  ? dump_stack+0x34f/0x39d
[  652.758921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.764128]  ? mark_held_locks+0x130/0x130
[  652.768367]  ? mark_held_locks+0x130/0x130
[  652.772613]  dump_header+0x27b/0xf72
[  652.776345]  ? pagefault_out_of_memory+0x197/0x197
[  652.781288]  ? __lock_acquire+0x62f/0x4c20
[  652.785526]  ? percpu_ref_get_many+0x240/0x240
[  652.790111]  ? print_usage_bug+0xc0/0xc0
[  652.794178]  ? zap_class+0x640/0x640
[  652.797895]  ? print_usage_bug+0xc0/0xc0
[  652.801958]  ? print_usage_bug+0xc0/0xc0
[  652.806024]  ? zap_class+0x640/0x640
[  652.809742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.815376]  ? find_held_lock+0x36/0x1c0
[  652.819448]  ? mark_held_locks+0xc7/0x130
[  652.823605]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  652.828710]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  652.833902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  652.838489]  ? trace_hardirqs_on+0xbd/0x310
[  652.842819]  ? kasan_check_read+0x11/0x20
[  652.846967]  ? ___ratelimit+0x3b4/0x672
[  652.850945]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.856564]  ? trace_hardirqs_on+0x310/0x310
[  652.860984]  ? lock_downgrade+0x900/0x900
[  652.865143]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  652.870254]  ? ___ratelimit+0x3b9/0x672
[  652.874231]  ? idr_get_free+0xf70/0xf70
[  652.878214]  ? find_held_lock+0x36/0x1c0
[  652.882299]  oom_kill_process.cold.27+0x10/0x903
[  652.887058]  ? zap_class+0x640/0x640
[  652.890780]  ? check_preemption_disabled+0x48/0x280
[  652.895800]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  652.900734]  ? kasan_check_read+0x11/0x20
[  652.904885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.910163]  ? oom_evaluate_task+0x540/0x540
[  652.914576]  ? find_held_lock+0x36/0x1c0
[  652.918644]  ? out_of_memory+0x974/0x1430
[  652.922796]  ? lock_downgrade+0x900/0x900
[  652.926944]  ? check_preemption_disabled+0x48/0x280
[  652.931963]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  652.936893]  ? kasan_check_read+0x11/0x20
[  652.941046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.946323]  ? rcu_softirq_qs+0x20/0x20
[  652.950308]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.955845]  ? oom_evaluate_task+0x302/0x540
[  652.960264]  out_of_memory+0xa84/0x1430
[  652.964258]  ? oom_killer_disable+0x3a0/0x3a0
[  652.968762]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  652.973700]  ? __ww_mutex_check_waiters+0x160/0x160
[  652.978731]  __alloc_pages_slowpath+0x2354/0x2e10
[  652.983613]  ? warn_alloc+0x120/0x120
[  652.987416]  ? mark_held_locks+0x130/0x130
[  652.991657]  ? find_get_entry+0xaae/0x1120
[  652.995906]  ? filemap_map_pages+0x1a20/0x1a20
[  653.000494]  ? zap_class+0x640/0x640
[  653.004242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.009789]  ? check_preemption_disabled+0x48/0x280
[  653.014812]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.020363]  ? should_fail+0x22d/0xd01
[  653.024267]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.029381]  ? zap_class+0x640/0x640
[  653.033126]  ? __lock_is_held+0xb5/0x140
[  653.037197]  ? mark_held_locks+0x130/0x130
[  653.041440]  ? lock_release+0xa00/0xa00
[  653.045414]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.050871]  ? xa_load+0x2ba/0x460
[  653.054415]  ? lock_downgrade+0x900/0x900
[  653.058574]  ? __might_sleep+0x95/0x190
[  653.062556]  __alloc_pages_nodemask+0xa80/0xde0
[  653.067248]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  653.072275]  ? __page_cache_alloc+0x191/0x5c0
[  653.076777]  ? xa_load+0x2e1/0x460
[  653.080318]  ? xa_clear_mark+0x40/0x40
[  653.084206]  ? zap_class+0x640/0x640
[  653.087935]  ? zap_class+0x640/0x640
[  653.091646]  ? zap_class+0x640/0x640
[  653.095361]  ? __do_page_cache_readahead+0x663/0x810
[  653.100472]  ? find_held_lock+0x36/0x1c0
[  653.104542]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  653.110085]  alloc_pages_current+0x173/0x350
[  653.114507]  __page_cache_alloc+0x38c/0x5c0
[  653.118830]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.123767]  ? kasan_check_read+0x11/0x20
[  653.127917]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.133199]  ? generic_perform_write+0x6a0/0x6a0
[  653.137955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.143495]  ? check_preemption_disabled+0x48/0x280
[  653.148520]  filemap_fault+0x1595/0x25f0
[  653.152596]  ? __lock_page_or_retry+0xa00/0xa00
[  653.157276]  ? mark_held_locks+0x130/0x130
[  653.161525]  ? filemap_map_pages+0xd6b/0x1a20
[  653.166022]  ? lock_downgrade+0x900/0x900
[  653.170171]  ? check_preemption_disabled+0x48/0x280
[  653.175194]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.180123]  ? kasan_check_read+0x11/0x20
[  653.184277]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.189556]  ? rcu_softirq_qs+0x20/0x20
[  653.193549]  ? filemap_map_pages+0xd92/0x1a20
[  653.198050]  ? print_usage_bug+0xc0/0xc0
[  653.202118]  ? find_get_entries_tag+0x1400/0x1400
[  653.206963]  ? __kasan_slab_free+0x102/0x150
[  653.211372]  ? kasan_slab_free+0xe/0x10
[  653.215346]  ? kmem_cache_free+0x83/0x290
[  653.219495]  ? __sigqueue_free.part.29+0x74/0x90
[  653.224282]  ? lock_acquire+0x1ed/0x520
[  653.228266]  ? ext4_filemap_fault+0x7a/0xad
[  653.232600]  ? lock_release+0xa00/0xa00
[  653.236577]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.242038]  ? print_usage_bug+0xc0/0xc0
[  653.246106]  ? print_usage_bug+0xc0/0xc0
[  653.250181]  ? down_read+0x8d/0x120
[  653.253808]  ? ext4_filemap_fault+0x7a/0xad
[  653.258133]  ? __down_interruptible+0x700/0x700
[  653.262825]  ext4_filemap_fault+0x82/0xad
[  653.266983]  __do_fault+0x100/0x6b0
[  653.270621]  ? pmd_devmap_trans_unstable+0x220/0x220
[  653.275731]  ? mark_held_locks+0x130/0x130
[  653.279971]  ? mark_held_locks+0x130/0x130
[  653.284212]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  653.289771]  ? rcu_pm_notify+0xc0/0xc0
[  653.293673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.299223]  __handle_mm_fault+0x3ea6/0x5be0
[  653.303653]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  653.308500]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.313003]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  653.317591]  ? trace_hardirqs_on+0xbd/0x310
[  653.321919]  ? kasan_check_read+0x11/0x20
[  653.326073]  ? __set_current_blocked+0xdf/0x120
[  653.330759]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.335886]  ? zap_class+0x640/0x640
[  653.339609]  ? zap_class+0x640/0x640
[  653.343335]  ? find_held_lock+0x36/0x1c0
[  653.347410]  ? handle_mm_fault+0x42a/0xc70
[  653.351651]  ? lock_downgrade+0x900/0x900
[  653.355806]  ? check_preemption_disabled+0x48/0x280
[  653.360839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.365774]  ? kasan_check_read+0x11/0x20
[  653.369926]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.375207]  ? rcu_softirq_qs+0x20/0x20
[  653.379193]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.384305]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.389851]  ? check_preemption_disabled+0x48/0x280
[  653.394883]  handle_mm_fault+0x54f/0xc70
[  653.398949]  ? __handle_mm_fault+0x5be0/0x5be0
[  653.403540]  ? find_vma+0x34/0x190
[  653.407090]  __do_page_fault+0x5e8/0xe60
[  653.411154]  ? exit_to_usermode_loop+0x1f4/0x380
[  653.415926]  do_page_fault+0xf2/0x7e0
[  653.419734]  ? vmalloc_sync_all+0x30/0x30
[  653.423887]  ? error_entry+0x70/0xd0
[  653.427607]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.432621]  ? trace_hardirqs_on_caller+0xc0/0x310
[  653.437550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  653.442481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.447332]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.452350]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  653.457807]  ? prepare_exit_to_usermode+0x291/0x3b0
[  653.462826]  ? page_fault+0x8/0x30
[  653.466369]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.471214]  ? page_fault+0x8/0x30
[  653.474767]  page_fault+0x1e/0x30
[  653.478217] RIP: 0033:0x45db60
[  653.481427] Code: Bad RIP value.
[  653.484787] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  653.490151] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  653.497439] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  653.504713] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  653.511982] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  653.519257] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  653.526554] warn_alloc_show_mem: 1 callbacks suppressed
[  653.526567] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  653.526569] Mem-Info:
[  653.526600] active_anon:45842 inactive_anon:131 isolated_anon:0
[  653.526600]  active_file:10 inactive_file:14 isolated_file:0
[  653.526600]  unevictable:0 dirty:0 writeback:0 unstable:0
[  653.526600]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  653.526600]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  653.526600]  free:13767 free_pcp:218 free_cma:0
[  653.531942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  653.538879] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  653.541293] Call Trace:
[  653.574185] 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
[  653.583540]  <IRQ>
[  653.611070] lowmem_reserve[]: 0 2818 6321 6321
[  653.613658]  dump_stack+0x244/0x39d
[  653.639771] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  653.641935]  ? dump_stack_print_info.cold.1+0x20/0x20
[  653.646488] lowmem_reserve[]: 0 0 3503 3503
[  653.650129]  warn_alloc.cold.116+0xb7/0x1bd
[  653.677432] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  653.682630]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  653.686920] lowmem_reserve[]: 0 0 0 0
[  653.691267]  ? lock_downgrade+0x900/0x900
[  653.720134] 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
[  653.725492]  ? trace_hardirqs_off+0xb8/0x310
[  653.729272] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  653.733433]  ? trace_hardirqs_off+0xb8/0x310
[  653.746963] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  653.751385]  __alloc_pages_slowpath+0x26e8/0x2e10
[  653.766625] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  653.771061]  ? warn_alloc+0x120/0x120
[  653.785841] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  653.785851] 162 total pagecache pages
[  653.790705]  ? warn_alloc+0x120/0x120
[  653.799539] 0 pages in swap cache
[  653.803347]  ? __lock_acquire+0x62f/0x4c20
[  653.811905] Swap cache stats: add 0, delete 0, find 0/0
[  653.815704]  ? warn_alloc+0x120/0x120
[  653.819473] Free swap  = 0kB
[  653.822922]  ? print_usage_bug+0xc0/0xc0
[  653.827132] Total swap = 0kB
[  653.832496]  ? print_usage_bug+0xc0/0xc0
[  653.836274] 1965979 pages RAM
[  653.839288]  ? mark_held_locks+0x130/0x130
[  653.843325] 0 pages HighMem/MovableOnly
[  653.846349]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.850379] 342855 pages reserved
[  653.853482]  ? should_fail+0x22d/0xd01
[  653.857688] 0 pages cma reserved
[  653.861653]  ? zap_class+0x640/0x640
[  653.867230] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  653.870613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.874534] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  653.877836]  ? __lock_acquire+0x62f/0x4c20
[  653.881529] syz-fuzzer cpuset=/ mems_allowed=0
[  653.888019]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.917291]  ? should_fail+0x22d/0xd01
[  653.921197]  ? mark_held_locks+0x130/0x130
[  653.925441]  ? mark_held_locks+0x130/0x130
[  653.929676]  ? lock_downgrade+0x900/0x900
[  653.933832]  ? zap_class+0x640/0x640
[  653.937546]  ? zap_class+0x640/0x640
[  653.941270]  ? zap_class+0x640/0x640
[  653.944985]  ? do_raw_spin_unlock+0xa7/0x330
[  653.949403]  ? trace_hardirqs_on+0x310/0x310
[  653.953816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.959358]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.964903]  ? check_preemption_disabled+0x48/0x280
[  653.969937]  ? __lock_is_held+0xb5/0x140
[  653.974012]  __alloc_pages_nodemask+0xa80/0xde0
[  653.978688]  ? zap_class+0x640/0x640
[  653.982415]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  653.987457]  ? find_held_lock+0x36/0x1c0
[  653.991536]  ? ____cache_alloc_node+0x1c7/0x1e0
[  653.996216]  ? lock_downgrade+0x900/0x900
[  654.000388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.005936]  cache_grow_begin+0xa5/0x8c0
[  654.009999]  ? do_raw_spin_unlock+0xa7/0x330
[  654.014420]  fallback_alloc+0x204/0x2e0
[  654.018408]  ____cache_alloc_node+0x1c7/0x1e0
[  654.022917]  kmem_cache_alloc_node+0xe3/0x730
[  654.027418]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.032021]  __alloc_skb+0x119/0x770
[  654.035742]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  654.041139]  ? netdev_alloc_frag+0x1f0/0x1f0
[  654.045580]  ? vprintk_default+0x28/0x30
[  654.049653]  ? vprintk_func+0x85/0x181
[  654.053554]  ? printk+0xa7/0xcf
[  654.056841]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  654.061618]  ? do_raw_spin_trylock+0x270/0x270
[  654.066219]  new_skb+0x26/0x1c0
[  654.069522]  aoecmd_cfg+0x279/0x7f0
[  654.073165]  ? find_held_lock+0x36/0x1c0
[  654.077253]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  654.081599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.087167]  ? __lock_is_held+0xb5/0x140
[  654.091268]  discover_timer+0x50/0x60
[  654.095082]  call_timer_fn+0x272/0x920
[  654.098982]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.103840]  ? process_timeout+0x40/0x40
[  654.107920]  ? __run_timers+0x7da/0xc70
[  654.111905]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.116409]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.120910]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.125763]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.130356]  ? trace_hardirqs_on+0xbd/0x310
[  654.134685]  ? kasan_check_read+0x11/0x20
[  654.138841]  ? __run_timers+0x7da/0xc70
[  654.142823]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.147944]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.152791]  __run_timers+0x7e5/0xc70
[  654.156613]  ? timer_fixup_init+0x70/0x70
[  654.160765]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  654.165791]  ? zap_class+0x640/0x640
[  654.169508]  ? enqueue_hrtimer+0x1a5/0x560
[  654.173749]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  654.178951]  ? find_held_lock+0x36/0x1c0
[  654.183019]  ? zap_class+0x640/0x640
[  654.186742]  ? pvclock_read_flags+0x160/0x160
[  654.191258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.196807]  ? check_preemption_disabled+0x48/0x280
[  654.201841]  ? __lock_is_held+0xb5/0x140
[  654.205910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.211453]  ? check_preemption_disabled+0x48/0x280
[  654.216477]  run_timer_softirq+0x52/0xb0
[  654.220543]  ? rcu_read_lock_sched_held+0x14f/0x180
[  654.225567]  __do_softirq+0x308/0xb7e
[  654.229374]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.233872]  ? lock_downgrade+0x900/0x900
[  654.238032]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  654.243150]  ? pvclock_read_flags+0x160/0x160
[  654.247655]  ? lapic_next_event+0x5a/0x90
[  654.251812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.257365]  ? kvm_clock_read+0x18/0x30
[  654.261344]  ? kvm_sched_clock_read+0x9/0x20
[  654.265760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.271306]  ? check_preemption_disabled+0x48/0x280
[  654.276341]  irq_exit+0x17f/0x1c0
[  654.279805]  smp_apic_timer_interrupt+0x1cb/0x760
[  654.284650]  ? smp_call_function_single_interrupt+0x159/0x650
[  654.290538]  ? smp_call_function_single_interrupt+0x650/0x650
[  654.296427]  ? interrupt_entry+0xb5/0xc0
[  654.300497]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.305544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.310579]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.315435]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.320456]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.325475]  ? task_prio+0x50/0x50
[  654.329021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.334564]  ? check_preemption_disabled+0x48/0x280
[  654.339590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.344450]  apic_timer_interrupt+0xf/0x20
[  654.348684]  </IRQ>
[  654.350929] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  654.355862] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  654.374774] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  654.382498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  654.389783] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  654.397068] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  654.404352] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  654.411636] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  654.418972]  skb_clone+0x1bb/0x500
[  654.422528]  ? finish_task_switch+0x2f4/0x910
[  654.427133]  ? skb_split+0x11e0/0x11e0
[  654.431057]  ? preempt_notifier_register+0x200/0x200
[  654.436177]  ? __switch_to_asm+0x34/0x70
[  654.440268]  ? __switch_to_asm+0x34/0x70
[  654.444342]  ? __switch_to_asm+0x40/0x70
[  654.448420]  ? __switch_to_asm+0x34/0x70
[  654.452493]  ? __switch_to_asm+0x40/0x70
[  654.456565]  ? __switch_to_asm+0x34/0x70
[  654.460638]  ? __switch_to_asm+0x40/0x70
[  654.464712]  ? __switch_to_asm+0x34/0x70
[  654.468789]  ? __switch_to_asm+0x34/0x70
[  654.472862]  ? __switch_to_asm+0x40/0x70
[  654.476928]  ? __switch_to_asm+0x34/0x70
[  654.481006]  bpf_clone_redirect+0xb9/0x490
[  654.485262]  ? __schedule+0x8d7/0x21d0
[  654.489169]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  654.494199]  ? __sched_text_start+0x8/0x8
[  654.498359]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  654.502944]  ? retint_kernel+0x2d/0x2d
[  654.506840]  ? trace_hardirqs_on_caller+0xc0/0x310
[  654.511781]  ? find_held_lock+0x36/0x1c0
[  654.515855]  ? lock_acquire+0x1ed/0x520
[  654.519832]  ? bpf_test_run+0x3cb/0x780
[  654.523810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.529354]  ? check_preemption_disabled+0x48/0x280
[  654.534380]  ? kasan_check_read+0x11/0x20
[  654.538530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.543808]  ? rcu_softirq_qs+0x20/0x20
[  654.547786]  ? preempt_schedule+0x4d/0x60
[  654.551939]  ? ___preempt_schedule+0x16/0x18
[  654.556361]  ? bpf_test_run+0x25d/0x780
[  654.560350]  ? netlink_diag_dump+0x2a0/0x2a0
[  654.564765]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.570310]  ? bpf_test_init.isra.10+0x70/0x100
[  654.574988]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  654.579755]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  654.584601]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  654.590142]  ? fput+0x130/0x1a0
[  654.593424]  ? __bpf_prog_get+0x9b/0x290
[  654.597488]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  654.602334]  ? bpf_prog_test_run+0x130/0x1a0
[  654.606749]  ? __x64_sys_bpf+0x3d8/0x520
[  654.610816]  ? bpf_prog_get+0x20/0x20
[  654.614638]  ? do_syscall_64+0x1b9/0x820
[  654.618708]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  654.624079]  ? syscall_return_slowpath+0x5e0/0x5e0
[  654.629022]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.634071]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  654.639104]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  654.645790]  ? __switch_to_asm+0x40/0x70
[  654.649865]  ? __switch_to_asm+0x34/0x70
[  654.653947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.658814]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  654.664212] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  654.664295] aoe: skb alloc failure
[  654.670812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  654.670817] Call Trace:
[  654.670824]  <IRQ>
[  654.670847]  dump_stack+0x244/0x39d
[  654.670865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  654.670892]  warn_alloc.cold.116+0xb7/0x1bd
[  654.674441] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  654.683779]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  654.686338] syz-executor3 cpuset=syz3 mems_allowed=0
[  654.688485]  ? lock_downgrade+0x900/0x900
[  654.726158]  ? trace_hardirqs_off+0xb8/0x310
[  654.730587]  ? trace_hardirqs_off+0xb8/0x310
[  654.735015]  __alloc_pages_slowpath+0x26e8/0x2e10
[  654.739917]  ? warn_alloc+0x120/0x120
[  654.743727]  ? print_usage_bug+0xc0/0xc0
[  654.747798]  ? warn_alloc+0x120/0x120
[  654.751610]  ? warn_alloc+0x120/0x120
[  654.755416]  ? print_usage_bug+0xc0/0xc0
[  654.759492]  ? print_usage_bug+0xc0/0xc0
[  654.763558]  ? __lock_acquire+0x62f/0x4c20
[  654.767803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.773348]  ? should_fail+0x22d/0xd01
[  654.777252]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.782370]  ? __lock_acquire+0x62f/0x4c20
[  654.786613]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.791720]  ? __lock_acquire+0x62f/0x4c20
[  654.795964]  ? should_fail+0x22d/0xd01
[  654.799859]  ? find_held_lock+0x36/0x1c0
[  654.803939]  ? mark_held_locks+0x130/0x130
[  654.808192]  ? mark_held_locks+0x130/0x130
[  654.812435]  ? zap_class+0x640/0x640
[  654.816163]  ? zap_class+0x640/0x640
[  654.819894]  ? print_usage_bug+0xc0/0xc0
[  654.823956]  ? do_raw_spin_unlock+0xa7/0x330
[  654.828373]  ? zap_class+0x640/0x640
[  654.832092]  ? print_usage_bug+0xc0/0xc0
[  654.836159]  ? wq_watchdog_touch+0x9c/0xfe
[  654.840400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.845946]  ? check_preemption_disabled+0x48/0x280
[  654.850978]  ? __lock_is_held+0xb5/0x140
[  654.855575]  __alloc_pages_nodemask+0xa80/0xde0
[  654.860270]  ? zap_class+0x640/0x640
[  654.863997]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  654.869028]  ? find_held_lock+0x36/0x1c0
[  654.873110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  654.877788]  ? lock_downgrade+0x900/0x900
[  654.881949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.887494]  cache_grow_begin+0xa5/0x8c0
[  654.891556]  ? do_raw_spin_unlock+0xa7/0x330
[  654.895971]  fallback_alloc+0x204/0x2e0
[  654.899953]  ____cache_alloc_node+0x1c7/0x1e0
[  654.904455]  kmem_cache_alloc_node+0xe3/0x730
[  654.908954]  ? ipv6_get_ifaddr+0x42e/0x620
[  654.913199]  __alloc_skb+0x119/0x770
[  654.916910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  654.922190]  ? netdev_alloc_frag+0x1f0/0x1f0
[  654.926604]  ? lock_downgrade+0x900/0x900
[  654.930765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.936304]  ? refcount_sub_and_test_checked+0x203/0x310
[  654.941764]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  654.947221]  ? addrconf_rs_timer+0x690/0x690
[  654.951648]  ndisc_alloc_skb+0x144/0x340
[  654.955719]  ndisc_send_rs+0x331/0x6e0
[  654.959614]  addrconf_rs_timer+0x314/0x690
[  654.963856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.968106]  call_timer_fn+0x272/0x920
[  654.971991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.976228]  ? process_timeout+0x40/0x40
[  654.980313]  ? mark_held_locks+0xc7/0x130
[  654.984469]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.988970]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.993465]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  654.997699]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.002285]  ? trace_hardirqs_on+0xbd/0x310
[  655.006607]  ? kasan_check_read+0x11/0x20
[  655.010757]  ? __run_timers+0x7da/0xc70
[  655.014737]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.019855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.024098]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.028332]  __run_timers+0x7e5/0xc70
[  655.032148]  ? timer_fixup_init+0x70/0x70
[  655.036305]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.041326]  ? zap_class+0x640/0x640
[  655.045051]  ? print_usage_bug+0xc0/0xc0
[  655.049120]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.054322]  ? find_held_lock+0x36/0x1c0
[  655.058393]  ? zap_class+0x640/0x640
[  655.062118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.067660]  ? check_preemption_disabled+0x48/0x280
[  655.072692]  ? __lock_is_held+0xb5/0x140
[  655.076762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.082304]  ? check_preemption_disabled+0x48/0x280
[  655.087334]  run_timer_softirq+0x52/0xb0
[  655.091425]  ? rcu_read_lock_sched_held+0x14f/0x180
[  655.096449]  __do_softirq+0x308/0xb7e
[  655.100267]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.104775]  ? lock_downgrade+0x900/0x900
[  655.108933]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  655.114052]  ? pvclock_read_flags+0x160/0x160
[  655.118555]  ? lapic_next_event+0x5a/0x90
[  655.122709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.128269]  ? kvm_clock_read+0x18/0x30
[  655.132252]  ? kvm_sched_clock_read+0x9/0x20
[  655.136667]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.142211]  ? check_preemption_disabled+0x48/0x280
[  655.147261]  irq_exit+0x17f/0x1c0
[  655.150741]  smp_apic_timer_interrupt+0x1cb/0x760
[  655.155599]  ? smp_reschedule_interrupt+0x109/0x650
[  655.160619]  ? smp_call_function_single_interrupt+0x650/0x650
[  655.166510]  ? interrupt_entry+0xb5/0xc0
[  655.170583]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.175601]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.180626]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.185472]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.190488]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.195507]  ? task_prio+0x50/0x50
[  655.199053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.204594]  ? check_preemption_disabled+0x48/0x280
[  655.209627]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.214481]  apic_timer_interrupt+0xf/0x20
[  655.218709]  </IRQ>
[  655.220946] RIP: 0010:dump_stack+0x358/0x39d
[  655.225359] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  655.244278] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  655.252002] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  655.259276] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  655.266548] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  655.273820] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  655.281091] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  655.288385]  ? dump_stack+0x34f/0x39d
[  655.292207]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.297418]  ? mark_held_locks+0x130/0x130
[  655.301658]  ? mark_held_locks+0x130/0x130
[  655.305901]  dump_header+0x27b/0xf72
[  655.309636]  ? pagefault_out_of_memory+0x197/0x197
[  655.314579]  ? __lock_acquire+0x62f/0x4c20
[  655.318822]  ? percpu_ref_get_many+0x240/0x240
[  655.323416]  ? print_usage_bug+0xc0/0xc0
[  655.327487]  ? zap_class+0x640/0x640
[  655.331208]  ? print_usage_bug+0xc0/0xc0
[  655.335280]  ? print_usage_bug+0xc0/0xc0
[  655.339355]  ? zap_class+0x640/0x640
[  655.343076]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.348626]  ? find_held_lock+0x36/0x1c0
[  655.352710]  ? mark_held_locks+0xc7/0x130
[  655.356871]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.361983]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.367095]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  655.371685]  ? trace_hardirqs_on+0xbd/0x310
[  655.376012]  ? kasan_check_read+0x11/0x20
[  655.380160]  ? ___ratelimit+0x3b4/0x672
[  655.384143]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.389259]  ? trace_hardirqs_on+0x310/0x310
[  655.393677]  ? lock_downgrade+0x900/0x900
[  655.397839]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  655.402946]  ? ___ratelimit+0x3b9/0x672
[  655.406927]  ? idr_get_free+0xf70/0xf70
[  655.410911]  ? find_held_lock+0x36/0x1c0
[  655.414993]  oom_kill_process.cold.27+0x10/0x903
[  655.419762]  ? zap_class+0x640/0x640
[  655.423485]  ? check_preemption_disabled+0x48/0x280
[  655.428516]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.433452]  ? kasan_check_read+0x11/0x20
[  655.437606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.442897]  ? oom_evaluate_task+0x540/0x540
[  655.447316]  ? find_held_lock+0x36/0x1c0
[  655.451397]  ? out_of_memory+0x974/0x1430
[  655.455551]  ? lock_downgrade+0x900/0x900
[  655.459704]  ? check_preemption_disabled+0x48/0x280
[  655.464732]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.469674]  ? kasan_check_read+0x11/0x20
[  655.473831]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.479112]  ? rcu_softirq_qs+0x20/0x20
[  655.483100]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.488646]  ? oom_evaluate_task+0x302/0x540
[  655.493072]  out_of_memory+0xa84/0x1430
[  655.497066]  ? oom_killer_disable+0x3a0/0x3a0
[  655.501570]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  655.506510]  ? __ww_mutex_check_waiters+0x160/0x160
[  655.511552]  __alloc_pages_slowpath+0x2354/0x2e10
[  655.516443]  ? warn_alloc+0x120/0x120
[  655.520264]  ? mark_held_locks+0x130/0x130
[  655.524518]  ? find_get_entry+0xaae/0x1120
[  655.528777]  ? filemap_map_pages+0x1a20/0x1a20
[  655.533378]  ? zap_class+0x640/0x640
[  655.537114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.542661]  ? check_preemption_disabled+0x48/0x280
[  655.547689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.553250]  ? should_fail+0x22d/0xd01
[  655.557148]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.562266]  ? zap_class+0x640/0x640
[  655.566012]  ? __lock_is_held+0xb5/0x140
[  655.570083]  ? mark_held_locks+0x130/0x130
[  655.574324]  ? lock_release+0xa00/0xa00
[  655.578306]  ? perf_trace_sched_process_exec+0x860/0x860
[  655.583766]  ? xa_load+0x2ba/0x460
[  655.587311]  ? lock_downgrade+0x900/0x900
[  655.591469]  ? __might_sleep+0x95/0x190
[  655.595457]  __alloc_pages_nodemask+0xa80/0xde0
[  655.600149]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  655.605175]  ? __page_cache_alloc+0x191/0x5c0
[  655.609676]  ? xa_load+0x2e1/0x460
[  655.613224]  ? xa_clear_mark+0x40/0x40
[  655.617139]  ? zap_class+0x640/0x640
[  655.620864]  ? zap_class+0x640/0x640
[  655.624578]  ? zap_class+0x640/0x640
[  655.628293]  ? __do_page_cache_readahead+0x663/0x810
[  655.633403]  ? find_held_lock+0x36/0x1c0
[  655.637471]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  655.643021]  alloc_pages_current+0x173/0x350
[  655.647443]  __page_cache_alloc+0x38c/0x5c0
[  655.651773]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.656706]  ? kasan_check_read+0x11/0x20
[  655.660857]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.666140]  ? generic_perform_write+0x6a0/0x6a0
[  655.670901]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.676443]  ? check_preemption_disabled+0x48/0x280
[  655.681474]  filemap_fault+0x1595/0x25f0
[  655.685760]  ? __lock_page_or_retry+0xa00/0xa00
[  655.690444]  ? mark_held_locks+0x130/0x130
[  655.694698]  ? filemap_map_pages+0xd6b/0x1a20
[  655.699205]  ? lock_downgrade+0x900/0x900
[  655.703370]  ? check_preemption_disabled+0x48/0x280
[  655.708405]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.713349]  ? kasan_check_read+0x11/0x20
[  655.717507]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.723407]  ? rcu_softirq_qs+0x20/0x20
[  655.727408]  ? filemap_map_pages+0xd92/0x1a20
[  655.731914]  ? print_usage_bug+0xc0/0xc0
[  655.735988]  ? find_get_entries_tag+0x1400/0x1400
[  655.740840]  ? __kasan_slab_free+0x102/0x150
[  655.745258]  ? kasan_slab_free+0xe/0x10
[  655.749246]  ? kmem_cache_free+0x83/0x290
[  655.753398]  ? __sigqueue_free.part.29+0x74/0x90
[  655.758183]  ? lock_acquire+0x1ed/0x520
[  655.762165]  ? ext4_filemap_fault+0x7a/0xad
[  655.766506]  ? lock_release+0xa00/0xa00
[  655.770489]  ? perf_trace_sched_process_exec+0x860/0x860
[  655.775960]  ? print_usage_bug+0xc0/0xc0
[  655.780036]  ? print_usage_bug+0xc0/0xc0
[  655.784117]  ? down_read+0x8d/0x120
[  655.787758]  ? ext4_filemap_fault+0x7a/0xad
[  655.792093]  ? __down_interruptible+0x700/0x700
[  655.796786]  ext4_filemap_fault+0x82/0xad
[  655.800944]  __do_fault+0x100/0x6b0
[  655.804582]  ? pmd_devmap_trans_unstable+0x220/0x220
[  655.809734]  ? mark_held_locks+0x130/0x130
[  655.814000]  ? mark_held_locks+0x130/0x130
[  655.818257]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  655.823818]  ? rcu_pm_notify+0xc0/0xc0
[  655.827723]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.833295]  __handle_mm_fault+0x3ea6/0x5be0
[  655.837729]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  655.842583]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.847089]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  655.851686]  ? trace_hardirqs_on+0xbd/0x310
[  655.856013]  ? kasan_check_read+0x11/0x20
[  655.860171]  ? __set_current_blocked+0xdf/0x120
[  655.864854]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.869990]  ? zap_class+0x640/0x640
[  655.873717]  ? zap_class+0x640/0x640
[  655.877552]  ? find_held_lock+0x36/0x1c0
[  655.881641]  ? handle_mm_fault+0x42a/0xc70
[  655.885899]  ? lock_downgrade+0x900/0x900
[  655.890064]  ? check_preemption_disabled+0x48/0x280
[  655.895094]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  655.900029]  ? kasan_check_read+0x11/0x20
[  655.904196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.909495]  ? rcu_softirq_qs+0x20/0x20
[  655.913486]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.918602]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.924145]  ? check_preemption_disabled+0x48/0x280
[  655.929177]  handle_mm_fault+0x54f/0xc70
[  655.933254]  ? __handle_mm_fault+0x5be0/0x5be0
[  655.937853]  ? find_vma+0x34/0x190
[  655.941404]  __do_page_fault+0x5e8/0xe60
[  655.945475]  ? exit_to_usermode_loop+0x1f4/0x380
[  655.950267]  do_page_fault+0xf2/0x7e0
[  655.954091]  ? vmalloc_sync_all+0x30/0x30
[  655.958261]  ? error_entry+0x70/0xd0
[  655.962004]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.967028]  ? trace_hardirqs_on_caller+0xc0/0x310
[  655.972140]  ? syscall_return_slowpath+0x5e0/0x5e0
[  655.977088]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.981941]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.986958]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  655.992415]  ? prepare_exit_to_usermode+0x291/0x3b0
[  655.997434]  ? page_fault+0x8/0x30
[  656.000984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.005832]  ? page_fault+0x8/0x30
[  656.009374]  page_fault+0x1e/0x30
[  656.012830] RIP: 0033:0x45db60
[  656.016041] Code: Bad RIP value.
[  656.019400] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  656.024767] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  656.032038] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  656.039306] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  656.046576] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  656.053846] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  656.061140] warn_alloc_show_mem: 1 callbacks suppressed
[  656.061152] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  656.061154] Mem-Info:
[  656.061185] active_anon:45842 inactive_anon:131 isolated_anon:0
[  656.061185]  active_file:10 inactive_file:14 isolated_file:0
[  656.061185]  unevictable:0 dirty:0 writeback:0 unstable:0
[  656.061185]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  656.061185]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  656.061185]  free:13767 free_pcp:218 free_cma:0
[  656.066527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  656.073458] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  656.075860] Call Trace:
[  656.108735] 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
[  656.118095]  <IRQ>
[  656.145581] lowmem_reserve[]: 0 2818 6321 6321
[  656.148190]  dump_stack+0x244/0x39d
[  656.174372] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  656.176533]  ? dump_stack_print_info.cold.1+0x20/0x20
[  656.181085] lowmem_reserve[]: 0 0 3503 3503
[  656.184728]  warn_alloc.cold.116+0xb7/0x1bd
[  656.212026] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  656.217222]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  656.221518] lowmem_reserve[]: 0 0 0 0
[  656.225847]  ? lock_downgrade+0x900/0x900
[  656.254715] 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
[  656.259572]  ? trace_hardirqs_off+0xb8/0x310
[  656.263340] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  656.267487]  ? trace_hardirqs_off+0xb8/0x310
[  656.280986] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  656.285404]  __alloc_pages_slowpath+0x26e8/0x2e10
[  656.300661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  656.305106]  ? warn_alloc+0x120/0x120
[  656.319891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  656.324746]  ? warn_alloc+0x120/0x120
[  656.333552] 162 total pagecache pages
[  656.337351]  ? __lock_acquire+0x62f/0x4c20
[  656.345902] 0 pages in swap cache
[  656.349691]  ? warn_alloc+0x120/0x120
[  656.353467] Swap cache stats: add 0, delete 0, find 0/0
[  656.357691]  ? print_usage_bug+0xc0/0xc0
[  656.361116] Free swap  = 0kB
[  656.364912]  ? print_usage_bug+0xc0/0xc0
[  656.370261] Total swap = 0kB
[  656.374320]  ? mark_held_locks+0x130/0x130
[  656.377316] 1965979 pages RAM
[  656.381375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.384364] 0 pages HighMem/MovableOnly
[  656.388591]  ? should_fail+0x22d/0xd01
[  656.391669] 342855 pages reserved
[  656.397204]  ? zap_class+0x640/0x640
[  656.401155] 0 pages cma reserved
[  656.405044]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.408565] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  656.412186]  ? __lock_acquire+0x62f/0x4c20
[  656.415589] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  656.420631]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.427120] syz-fuzzer cpuset=/ mems_allowed=0
[  656.431362]  ? should_fail+0x22d/0xd01
[  656.455141]  ? mark_held_locks+0x130/0x130
[  656.459388]  ? mark_held_locks+0x130/0x130
[  656.463630]  ? lock_downgrade+0x900/0x900
[  656.467783]  ? zap_class+0x640/0x640
[  656.471500]  ? zap_class+0x640/0x640
[  656.475222]  ? zap_class+0x640/0x640
[  656.478953]  ? do_raw_spin_unlock+0xa7/0x330
[  656.483398]  ? trace_hardirqs_on+0x310/0x310
[  656.487824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.493378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.498928]  ? check_preemption_disabled+0x48/0x280
[  656.503966]  ? __lock_is_held+0xb5/0x140
[  656.508045]  __alloc_pages_nodemask+0xa80/0xde0
[  656.512724]  ? zap_class+0x640/0x640
[  656.516451]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  656.521490]  ? find_held_lock+0x36/0x1c0
[  656.525574]  ? ____cache_alloc_node+0x1c7/0x1e0
[  656.530263]  ? lock_downgrade+0x900/0x900
[  656.534430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.539988]  cache_grow_begin+0xa5/0x8c0
[  656.544060]  ? do_raw_spin_unlock+0xa7/0x330
[  656.548491]  fallback_alloc+0x204/0x2e0
[  656.552487]  ____cache_alloc_node+0x1c7/0x1e0
[  656.557002]  kmem_cache_alloc_node+0xe3/0x730
[  656.561511]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.566115]  __alloc_skb+0x119/0x770
[  656.569835]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  656.575215]  ? netdev_alloc_frag+0x1f0/0x1f0
[  656.579657]  ? vprintk_default+0x28/0x30
[  656.583731]  ? vprintk_func+0x85/0x181
[  656.587635]  ? printk+0xa7/0xcf
[  656.590925]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  656.595697]  ? do_raw_spin_trylock+0x270/0x270
[  656.600300]  new_skb+0x26/0x1c0
[  656.603591]  aoecmd_cfg+0x279/0x7f0
[  656.607230]  ? find_held_lock+0x36/0x1c0
[  656.611315]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  656.615650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.621211]  ? __lock_is_held+0xb5/0x140
[  656.625312]  discover_timer+0x50/0x60
[  656.629120]  call_timer_fn+0x272/0x920
[  656.633014]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.637862]  ? process_timeout+0x40/0x40
[  656.641935]  ? __run_timers+0x7da/0xc70
[  656.645919]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.650421]  ? _raw_spin_unlock_irq+0x27/0x80
[  656.654922]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.659768]  ? lockdep_hardirqs_on+0x296/0x5b0
[  656.664357]  ? trace_hardirqs_on+0xbd/0x310
[  656.668687]  ? kasan_check_read+0x11/0x20
[  656.672843]  ? __run_timers+0x7da/0xc70
[  656.676830]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.681959]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  656.686811]  __run_timers+0x7e5/0xc70
[  656.690629]  ? timer_fixup_init+0x70/0x70
[  656.694784]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  656.699809]  ? zap_class+0x640/0x640
[  656.703536]  ? enqueue_hrtimer+0x1a5/0x560
[  656.707783]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  656.712989]  ? find_held_lock+0x36/0x1c0
[  656.717064]  ? zap_class+0x640/0x640
[  656.720788]  ? pvclock_read_flags+0x160/0x160
[  656.725293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.730835]  ? check_preemption_disabled+0x48/0x280
[  656.735865]  ? __lock_is_held+0xb5/0x140
[  656.739934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.745477]  ? check_preemption_disabled+0x48/0x280
[  656.750503]  run_timer_softirq+0x52/0xb0
[  656.754573]  ? rcu_read_lock_sched_held+0x14f/0x180
[  656.759596]  __do_softirq+0x308/0xb7e
[  656.763406]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  656.767907]  ? lock_downgrade+0x900/0x900
[  656.772084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  656.777207]  ? pvclock_read_flags+0x160/0x160
[  656.781737]  ? lapic_next_event+0x5a/0x90
[  656.785896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.791450]  ? kvm_clock_read+0x18/0x30
[  656.795440]  ? kvm_sched_clock_read+0x9/0x20
[  656.799862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.805413]  ? check_preemption_disabled+0x48/0x280
[  656.810448]  irq_exit+0x17f/0x1c0
[  656.813914]  smp_apic_timer_interrupt+0x1cb/0x760
[  656.818767]  ? smp_call_function_single_interrupt+0x159/0x650
[  656.824670]  ? smp_call_function_single_interrupt+0x650/0x650
[  656.830576]  ? interrupt_entry+0xb5/0xc0
[  656.834657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.839713]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.844745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.849606]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.854929]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.859962]  ? task_prio+0x50/0x50
[  656.863515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.869064]  ? check_preemption_disabled+0x48/0x280
[  656.874097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.878962]  apic_timer_interrupt+0xf/0x20
[  656.883194]  </IRQ>
[  656.885442] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  656.890374] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  656.909294] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  656.917039] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  656.924321] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  656.931601] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  656.938882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  656.946163] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  656.953512]  skb_clone+0x1bb/0x500
[  656.957075]  ? finish_task_switch+0x2f4/0x910
[  656.961597]  ? skb_split+0x11e0/0x11e0
[  656.965501]  ? preempt_notifier_register+0x200/0x200
[  656.970610]  ? __switch_to_asm+0x34/0x70
[  656.974676]  ? __switch_to_asm+0x34/0x70
[  656.978737]  ? __switch_to_asm+0x40/0x70
[  656.982798]  ? __switch_to_asm+0x34/0x70
[  656.986862]  ? __switch_to_asm+0x40/0x70
[  656.990926]  ? __switch_to_asm+0x34/0x70
[  656.994992]  ? __switch_to_asm+0x40/0x70
[  656.999055]  ? __switch_to_asm+0x34/0x70
[  657.003123]  ? __switch_to_asm+0x34/0x70
[  657.007183]  ? __switch_to_asm+0x40/0x70
[  657.011257]  ? __switch_to_asm+0x34/0x70
[  657.015332]  bpf_clone_redirect+0xb9/0x490
[  657.019569]  ? __schedule+0x8d7/0x21d0
[  657.023470]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  657.028497]  ? __sched_text_start+0x8/0x8
[  657.032661]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  657.037274]  ? retint_kernel+0x2d/0x2d
[  657.041180]  ? trace_hardirqs_on_caller+0xc0/0x310
[  657.046131]  ? find_held_lock+0x36/0x1c0
[  657.050219]  ? lock_acquire+0x1ed/0x520
[  657.054222]  ? bpf_test_run+0x3cb/0x780
[  657.058220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.063779]  ? check_preemption_disabled+0x48/0x280
[  657.068807]  ? kasan_check_read+0x11/0x20
[  657.072956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.078235]  ? rcu_softirq_qs+0x20/0x20
[  657.082230]  ? preempt_schedule+0x4d/0x60
[  657.086396]  ? ___preempt_schedule+0x16/0x18
[  657.090814]  ? bpf_test_run+0x25d/0x780
[  657.094833]  ? netlink_diag_dump+0x2a0/0x2a0
[  657.099258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.104796]  ? bpf_test_init.isra.10+0x70/0x100
[  657.109475]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  657.114254]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.119100]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  657.124638]  ? fput+0x130/0x1a0
[  657.127929]  ? __bpf_prog_get+0x9b/0x290
[  657.131999]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.136841]  ? bpf_prog_test_run+0x130/0x1a0
[  657.141267]  ? __x64_sys_bpf+0x3d8/0x520
[  657.145332]  ? bpf_prog_get+0x20/0x20
[  657.149155]  ? do_syscall_64+0x1b9/0x820
[  657.153221]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  657.158635]  ? syscall_return_slowpath+0x5e0/0x5e0
[  657.163573]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.168593]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  657.173613]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  657.180291]  ? __switch_to_asm+0x40/0x70
[  657.184363]  ? __switch_to_asm+0x34/0x70
[  657.188440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.193295]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  657.198680] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  657.198746] aoe: skb alloc failure
[  657.205272] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  657.205281] Call Trace:
[  657.208900] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  657.218158]  <IRQ>
[  657.220734] syz-executor3 cpuset=syz3 mems_allowed=0
[  657.231229]  dump_stack+0x244/0x39d
[  657.242082]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.247295]  warn_alloc.cold.116+0xb7/0x1bd
[  657.251627]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  657.256481]  ? lock_downgrade+0x900/0x900
[  657.260639]  ? trace_hardirqs_off+0xb8/0x310
[  657.265062]  ? trace_hardirqs_off+0xb8/0x310
[  657.269485]  __alloc_pages_slowpath+0x26e8/0x2e10
[  657.274367]  ? warn_alloc+0x120/0x120
[  657.278173]  ? print_usage_bug+0xc0/0xc0
[  657.282249]  ? warn_alloc+0x120/0x120
[  657.286058]  ? warn_alloc+0x120/0x120
[  657.289867]  ? print_usage_bug+0xc0/0xc0
[  657.293935]  ? print_usage_bug+0xc0/0xc0
[  657.297999]  ? __lock_acquire+0x62f/0x4c20
[  657.302251]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.307792]  ? should_fail+0x22d/0xd01
[  657.311684]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.316789]  ? __lock_acquire+0x62f/0x4c20
[  657.321031]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.326134]  ? __lock_acquire+0x62f/0x4c20
[  657.330368]  ? should_fail+0x22d/0xd01
[  657.334268]  ? find_held_lock+0x36/0x1c0
[  657.338342]  ? mark_held_locks+0x130/0x130
[  657.342586]  ? mark_held_locks+0x130/0x130
[  657.346822]  ? zap_class+0x640/0x640
[  657.350538]  ? zap_class+0x640/0x640
[  657.354263]  ? print_usage_bug+0xc0/0xc0
[  657.358326]  ? do_raw_spin_unlock+0xa7/0x330
[  657.362739]  ? zap_class+0x640/0x640
[  657.366462]  ? print_usage_bug+0xc0/0xc0
[  657.370526]  ? wq_watchdog_touch+0x9c/0xfe
[  657.374774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.380320]  ? check_preemption_disabled+0x48/0x280
[  657.385367]  ? __lock_is_held+0xb5/0x140
[  657.389448]  __alloc_pages_nodemask+0xa80/0xde0
[  657.394126]  ? zap_class+0x640/0x640
[  657.397849]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  657.402882]  ? find_held_lock+0x36/0x1c0
[  657.406961]  ? ____cache_alloc_node+0x1c7/0x1e0
[  657.411635]  ? lock_downgrade+0x900/0x900
[  657.415798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.421357]  cache_grow_begin+0xa5/0x8c0
[  657.425423]  ? do_raw_spin_unlock+0xa7/0x330
[  657.429845]  fallback_alloc+0x204/0x2e0
[  657.433828]  ____cache_alloc_node+0x1c7/0x1e0
[  657.438334]  kmem_cache_alloc_node+0xe3/0x730
[  657.442833]  ? ipv6_get_ifaddr+0x42e/0x620
[  657.447080]  __alloc_skb+0x119/0x770
[  657.450793]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.456076]  ? netdev_alloc_frag+0x1f0/0x1f0
[  657.460489]  ? lock_downgrade+0x900/0x900
[  657.464653]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.470193]  ? refcount_sub_and_test_checked+0x203/0x310
[  657.475654]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  657.481111]  ? addrconf_rs_timer+0x690/0x690
[  657.485534]  ndisc_alloc_skb+0x144/0x340
[  657.489603]  ndisc_send_rs+0x331/0x6e0
[  657.493499]  addrconf_rs_timer+0x314/0x690
[  657.497743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.501997]  call_timer_fn+0x272/0x920
[  657.505891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.510129]  ? process_timeout+0x40/0x40
[  657.514202]  ? mark_held_locks+0xc7/0x130
[  657.518359]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.522859]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.527356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.531596]  ? lockdep_hardirqs_on+0x296/0x5b0
[  657.536185]  ? trace_hardirqs_on+0xbd/0x310
[  657.540513]  ? kasan_check_read+0x11/0x20
[  657.544663]  ? __run_timers+0x7da/0xc70
[  657.548641]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.553761]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.558006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  657.562250]  __run_timers+0x7e5/0xc70
[  657.566069]  ? timer_fixup_init+0x70/0x70
[  657.570227]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  657.575266]  ? zap_class+0x640/0x640
[  657.578989]  ? print_usage_bug+0xc0/0xc0
[  657.583058]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  657.588269]  ? find_held_lock+0x36/0x1c0
[  657.592348]  ? zap_class+0x640/0x640
[  657.596070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.601616]  ? check_preemption_disabled+0x48/0x280
[  657.606653]  ? __lock_is_held+0xb5/0x140
[  657.610722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.616286]  ? check_preemption_disabled+0x48/0x280
[  657.621314]  run_timer_softirq+0x52/0xb0
[  657.625377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  657.630412]  __do_softirq+0x308/0xb7e
[  657.634221]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.638726]  ? lock_downgrade+0x900/0x900
[  657.642892]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  657.648012]  ? pvclock_read_flags+0x160/0x160
[  657.652515]  ? lapic_next_event+0x5a/0x90
[  657.656673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.662225]  ? kvm_clock_read+0x18/0x30
[  657.666211]  ? kvm_sched_clock_read+0x9/0x20
[  657.670674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.676222]  ? check_preemption_disabled+0x48/0x280
[  657.681280]  irq_exit+0x17f/0x1c0
[  657.684774]  smp_apic_timer_interrupt+0x1cb/0x760
[  657.689625]  ? smp_reschedule_interrupt+0x109/0x650
[  657.694652]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.700546]  ? interrupt_entry+0xb5/0xc0
[  657.704614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.709631]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.714655]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.719501]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.724889]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.729912]  ? task_prio+0x50/0x50
[  657.733460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.739004]  ? check_preemption_disabled+0x48/0x280
[  657.744035]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.748890]  apic_timer_interrupt+0xf/0x20
[  657.753123]  </IRQ>
[  657.755365] RIP: 0010:dump_stack+0x358/0x39d
[  657.759784] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  657.778698] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  657.786418] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  657.793790] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  657.801060] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  657.808329] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  657.815596] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  657.822891]  ? dump_stack+0x34f/0x39d
[  657.826715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.831913]  ? mark_held_locks+0x130/0x130
[  657.836153]  ? mark_held_locks+0x130/0x130
[  657.840397]  dump_header+0x27b/0xf72
[  657.844129]  ? pagefault_out_of_memory+0x197/0x197
[  657.849073]  ? __lock_acquire+0x62f/0x4c20
[  657.853320]  ? percpu_ref_get_many+0x240/0x240
[  657.857911]  ? print_usage_bug+0xc0/0xc0
[  657.861984]  ? zap_class+0x640/0x640
[  657.865702]  ? print_usage_bug+0xc0/0xc0
[  657.869770]  ? print_usage_bug+0xc0/0xc0
[  657.873840]  ? zap_class+0x640/0x640
[  657.877560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.883111]  ? find_held_lock+0x36/0x1c0
[  657.887188]  ? mark_held_locks+0xc7/0x130
[  657.891344]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  657.896458]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  657.901567]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  657.906154]  ? trace_hardirqs_on+0xbd/0x310
[  657.910483]  ? kasan_check_read+0x11/0x20
[  657.914640]  ? ___ratelimit+0x3b4/0x672
[  657.918629]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.923740]  ? trace_hardirqs_on+0x310/0x310
[  657.928159]  ? lock_downgrade+0x900/0x900
[  657.932324]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  657.937528]  ? ___ratelimit+0x3b9/0x672
[  657.941507]  ? idr_get_free+0xf70/0xf70
[  657.945485]  ? find_held_lock+0x36/0x1c0
[  657.949560]  oom_kill_process.cold.27+0x10/0x903
[  657.954323]  ? zap_class+0x640/0x640
[  657.958043]  ? check_preemption_disabled+0x48/0x280
[  657.963070]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  657.968002]  ? kasan_check_read+0x11/0x20
[  657.972157]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.977440]  ? oom_evaluate_task+0x540/0x540
[  657.981861]  ? find_held_lock+0x36/0x1c0
[  657.985940]  ? out_of_memory+0x974/0x1430
[  657.990096]  ? lock_downgrade+0x900/0x900
[  657.994255]  ? check_preemption_disabled+0x48/0x280
[  657.999289]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.004224]  ? kasan_check_read+0x11/0x20
[  658.008385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.013673]  ? rcu_softirq_qs+0x20/0x20
[  658.017660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.023227]  ? oom_evaluate_task+0x302/0x540
[  658.027661]  out_of_memory+0xa84/0x1430
[  658.031656]  ? oom_killer_disable+0x3a0/0x3a0
[  658.036169]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  658.041110]  ? __ww_mutex_check_waiters+0x160/0x160
[  658.046149]  __alloc_pages_slowpath+0x2354/0x2e10
[  658.051043]  ? warn_alloc+0x120/0x120
[  658.054862]  ? mark_held_locks+0x130/0x130
[  658.059111]  ? find_get_entry+0xaae/0x1120
[  658.063379]  ? filemap_map_pages+0x1a20/0x1a20
[  658.067974]  ? zap_class+0x640/0x640
[  658.071699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.077254]  ? check_preemption_disabled+0x48/0x280
[  658.082284]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.087825]  ? should_fail+0x22d/0xd01
[  658.091821]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.096940]  ? zap_class+0x640/0x640
[  658.100688]  ? __lock_is_held+0xb5/0x140
[  658.104774]  ? mark_held_locks+0x130/0x130
[  658.109013]  ? lock_release+0xa00/0xa00
[  658.112992]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.118450]  ? xa_load+0x2ba/0x460
[  658.121996]  ? lock_downgrade+0x900/0x900
[  658.126158]  ? __might_sleep+0x95/0x190
[  658.130142]  __alloc_pages_nodemask+0xa80/0xde0
[  658.134826]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  658.139855]  ? __page_cache_alloc+0x191/0x5c0
[  658.144356]  ? xa_load+0x2e1/0x460
[  658.147902]  ? xa_clear_mark+0x40/0x40
[  658.151794]  ? zap_class+0x640/0x640
[  658.155518]  ? zap_class+0x640/0x640
[  658.159235]  ? zap_class+0x640/0x640
[  658.162965]  ? __do_page_cache_readahead+0x663/0x810
[  658.168080]  ? find_held_lock+0x36/0x1c0
[  658.172152]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  658.177700]  alloc_pages_current+0x173/0x350
[  658.182125]  __page_cache_alloc+0x38c/0x5c0
[  658.186447]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.191383]  ? kasan_check_read+0x11/0x20
[  658.195537]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.200822]  ? generic_perform_write+0x6a0/0x6a0
[  658.205581]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.211131]  ? check_preemption_disabled+0x48/0x280
[  658.216163]  filemap_fault+0x1595/0x25f0
[  658.220250]  ? __lock_page_or_retry+0xa00/0xa00
[  658.224933]  ? mark_held_locks+0x130/0x130
[  658.229178]  ? filemap_map_pages+0xd6b/0x1a20
[  658.233675]  ? lock_downgrade+0x900/0x900
[  658.237825]  ? check_preemption_disabled+0x48/0x280
[  658.242847]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.247780]  ? kasan_check_read+0x11/0x20
[  658.251929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.257210]  ? rcu_softirq_qs+0x20/0x20
[  658.261209]  ? filemap_map_pages+0xd92/0x1a20
[  658.265719]  ? print_usage_bug+0xc0/0xc0
[  658.269795]  ? find_get_entries_tag+0x1400/0x1400
[  658.274644]  ? __kasan_slab_free+0x102/0x150
[  658.279057]  ? kasan_slab_free+0xe/0x10
[  658.283036]  ? kmem_cache_free+0x83/0x290
[  658.287191]  ? __sigqueue_free.part.29+0x74/0x90
[  658.291970]  ? lock_acquire+0x1ed/0x520
[  658.295949]  ? ext4_filemap_fault+0x7a/0xad
[  658.300289]  ? lock_release+0xa00/0xa00
[  658.304274]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.309729]  ? print_usage_bug+0xc0/0xc0
[  658.313801]  ? print_usage_bug+0xc0/0xc0
[  658.317875]  ? down_read+0x8d/0x120
[  658.321508]  ? ext4_filemap_fault+0x7a/0xad
[  658.325830]  ? __down_interruptible+0x700/0x700
[  658.330512]  ext4_filemap_fault+0x82/0xad
[  658.334665]  __do_fault+0x100/0x6b0
[  658.338297]  ? pmd_devmap_trans_unstable+0x220/0x220
[  658.343405]  ? mark_held_locks+0x130/0x130
[  658.347648]  ? mark_held_locks+0x130/0x130
[  658.351884]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  658.357422]  ? rcu_pm_notify+0xc0/0xc0
[  658.361337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.366885]  __handle_mm_fault+0x3ea6/0x5be0
[  658.371311]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  658.376154]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.380656]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  658.385251]  ? trace_hardirqs_on+0xbd/0x310
[  658.389576]  ? kasan_check_read+0x11/0x20
[  658.393728]  ? __set_current_blocked+0xdf/0x120
[  658.398402]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.403521]  ? zap_class+0x640/0x640
[  658.407238]  ? zap_class+0x640/0x640
[  658.410970]  ? find_held_lock+0x36/0x1c0
[  658.415053]  ? handle_mm_fault+0x42a/0xc70
[  658.419302]  ? lock_downgrade+0x900/0x900
[  658.423454]  ? check_preemption_disabled+0x48/0x280
[  658.428479]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.433409]  ? kasan_check_read+0x11/0x20
[  658.437562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.442841]  ? rcu_softirq_qs+0x20/0x20
[  658.446821]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.451935]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.457478]  ? check_preemption_disabled+0x48/0x280
[  658.462510]  handle_mm_fault+0x54f/0xc70
[  658.466580]  ? __handle_mm_fault+0x5be0/0x5be0
[  658.471176]  ? find_vma+0x34/0x190
[  658.474724]  __do_page_fault+0x5e8/0xe60
[  658.478794]  ? exit_to_usermode_loop+0x1f4/0x380
[  658.483565]  do_page_fault+0xf2/0x7e0
[  658.487372]  ? vmalloc_sync_all+0x30/0x30
[  658.491526]  ? error_entry+0x70/0xd0
[  658.495253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.500282]  ? trace_hardirqs_on_caller+0xc0/0x310
[  658.505213]  ? syscall_return_slowpath+0x5e0/0x5e0
[  658.510152]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.515000]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.520021]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  658.525478]  ? prepare_exit_to_usermode+0x291/0x3b0
[  658.530498]  ? page_fault+0x8/0x30
[  658.534044]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.538898]  ? page_fault+0x8/0x30
[  658.542448]  page_fault+0x1e/0x30
[  658.545900] RIP: 0033:0x45db60
[  658.549109] Code: Bad RIP value.
[  658.552476] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  658.557839] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  658.565109] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  658.572379] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  658.579652] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  658.586923] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  658.594223] warn_alloc_show_mem: 1 callbacks suppressed
[  658.594236] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  658.594237] Mem-Info:
[  658.594282] active_anon:45842 inactive_anon:131 isolated_anon:0
[  658.594282]  active_file:10 inactive_file:14 isolated_file:0
[  658.594282]  unevictable:0 dirty:0 writeback:0 unstable:0
[  658.594282]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  658.594282]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  658.594282]  free:13767 free_pcp:218 free_cma:0
[  658.599621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  658.599630] Call Trace:
[  658.606567] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  658.608970]  <IRQ>
[  658.641864] 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
[  658.651233]  dump_stack+0x244/0x39d
[  658.653799] lowmem_reserve[]: 0 2818 6321 6321
[  658.681332]  ? dump_stack_print_info.cold.1+0x20/0x20
[  658.683462] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  658.709606]  warn_alloc.cold.116+0xb7/0x1bd
[  658.713204] lowmem_reserve[]: 0 0 3503 3503
[  658.717792]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  658.722958] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  658.750320]  ? lock_downgrade+0x900/0x900
[  658.754628] lowmem_reserve[]: 0 0 0 0
[  658.758954]  ? trace_hardirqs_off+0xb8/0x310
[  658.763769] 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
[  658.792670]  ? trace_hardirqs_off+0xb8/0x310
[  658.796794] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  658.800600]  __alloc_pages_slowpath+0x26e8/0x2e10
[  658.804973] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  658.818533]  ? warn_alloc+0x120/0x120
[  658.822902] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  658.838162]  ? warn_alloc+0x120/0x120
[  658.842987] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  658.858265]  ? warn_alloc+0x120/0x120
[  658.862034] 162 total pagecache pages
[  658.870874]  ? print_usage_bug+0xc0/0xc0
[  658.874651] 0 pages in swap cache
[  658.883218]  ? print_usage_bug+0xc0/0xc0
[  658.886990] Swap cache stats: add 0, delete 0, find 0/0
[  658.890785]  ? ktime_get+0x2c1/0x400
[  658.894821] Free swap  = 0kB
[  658.898281]  ? check_preemption_disabled+0x48/0x280
[  658.902307] Total swap = 0kB
[  658.902315] 1965979 pages RAM
[  658.907679]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  658.911359] 0 pages HighMem/MovableOnly
[  658.911367] 342855 pages reserved
[  658.914381]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.919369] 0 pages cma reserved
[  658.922387]  ? should_fail+0x22d/0xd01
[  658.925560] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  658.929954]  ? kasan_check_read+0x11/0x20
[  658.929972]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.929991]  ? __lock_acquire+0x62f/0x4c20
[  658.934003] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  658.937399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.942916] syz-fuzzer cpuset=/ mems_allowed=0
[  658.946290]  ? should_fail+0x22d/0xd01
[  658.994005]  ? print_usage_bug+0xc0/0xc0
[  658.998080]  ? mark_held_locks+0x130/0x130
[  659.002323]  ? mark_held_locks+0x130/0x130
[  659.006560]  ? check_preemption_disabled+0x48/0x280
[  659.011595]  ? zap_class+0x640/0x640
[  659.015321]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  659.020085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.025627]  ? check_preemption_disabled+0x48/0x280
[  659.030661]  ? __lock_is_held+0xb5/0x140
[  659.034751]  __alloc_pages_nodemask+0xa80/0xde0
[  659.039423]  ? zap_class+0x640/0x640
[  659.043145]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  659.048174]  ? find_held_lock+0x36/0x1c0
[  659.052264]  ? ____cache_alloc_node+0x1c7/0x1e0
[  659.056940]  ? lock_downgrade+0x900/0x900
[  659.061104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.066655]  cache_grow_begin+0xa5/0x8c0
[  659.070720]  ? do_raw_spin_unlock+0xa7/0x330
[  659.075137]  fallback_alloc+0x204/0x2e0
[  659.079122]  ____cache_alloc_node+0x1c7/0x1e0
[  659.083628]  kmem_cache_alloc_node+0xe3/0x730
[  659.088128]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.092724]  __alloc_skb+0x119/0x770
[  659.096441]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  659.101822]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.106263]  ? vprintk_default+0x28/0x30
[  659.110337]  ? vprintk_func+0x85/0x181
[  659.114280]  ? printk+0xa7/0xcf
[  659.117574]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  659.122337]  ? do_raw_spin_trylock+0x270/0x270
[  659.126927]  new_skb+0x26/0x1c0
[  659.130214]  aoecmd_cfg+0x279/0x7f0
[  659.133862]  ? find_held_lock+0x36/0x1c0
[  659.137929]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  659.142276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.147832]  ? __lock_is_held+0xb5/0x140
[  659.151909]  discover_timer+0x50/0x60
[  659.155715]  call_timer_fn+0x272/0x920
[  659.159604]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.164454]  ? process_timeout+0x40/0x40
[  659.168524]  ? __run_timers+0x7da/0xc70
[  659.172502]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.176999]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.181523]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.186376]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.190968]  ? trace_hardirqs_on+0xbd/0x310
[  659.195313]  ? kasan_check_read+0x11/0x20
[  659.199466]  ? __run_timers+0x7da/0xc70
[  659.203447]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.208564]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.213411]  __run_timers+0x7e5/0xc70
[  659.217222]  ? timer_fixup_init+0x70/0x70
[  659.221387]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  659.226407]  ? zap_class+0x640/0x640
[  659.230124]  ? enqueue_hrtimer+0x1a5/0x560
[  659.234362]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  659.239567]  ? find_held_lock+0x36/0x1c0
[  659.243634]  ? zap_class+0x640/0x640
[  659.247352]  ? pvclock_read_flags+0x160/0x160
[  659.251852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.257394]  ? check_preemption_disabled+0x48/0x280
[  659.262427]  ? __lock_is_held+0xb5/0x140
[  659.266492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.272033]  ? check_preemption_disabled+0x48/0x280
[  659.277057]  run_timer_softirq+0x52/0xb0
[  659.281123]  ? rcu_read_lock_sched_held+0x14f/0x180
[  659.286141]  __do_softirq+0x308/0xb7e
[  659.289947]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.294445]  ? lock_downgrade+0x900/0x900
[  659.298599]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  659.303717]  ? pvclock_read_flags+0x160/0x160
[  659.308220]  ? lapic_next_event+0x5a/0x90
[  659.312384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.317933]  ? kvm_clock_read+0x18/0x30
[  659.321907]  ? kvm_sched_clock_read+0x9/0x20
[  659.326319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.331861]  ? check_preemption_disabled+0x48/0x280
[  659.336888]  irq_exit+0x17f/0x1c0
[  659.340345]  smp_apic_timer_interrupt+0x1cb/0x760
[  659.345199]  ? smp_call_function_single_interrupt+0x159/0x650
[  659.351089]  ? smp_call_function_single_interrupt+0x650/0x650
[  659.356978]  ? interrupt_entry+0xb5/0xc0
[  659.361044]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.366069]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.371089]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.375939]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.380962]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.385986]  ? task_prio+0x50/0x50
[  659.389531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.395073]  ? check_preemption_disabled+0x48/0x280
[  659.400102]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.405135]  apic_timer_interrupt+0xf/0x20
[  659.409374]  </IRQ>
[  659.411617] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  659.416547] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  659.435458] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  659.443176] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  659.450450] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  659.457725] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  659.465000] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  659.472278] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  659.479598]  skb_clone+0x1bb/0x500
[  659.483146]  ? finish_task_switch+0x2f4/0x910
[  659.487652]  ? skb_split+0x11e0/0x11e0
[  659.491546]  ? preempt_notifier_register+0x200/0x200
[  659.496651]  ? __switch_to_asm+0x34/0x70
[  659.500717]  ? __switch_to_asm+0x34/0x70
[  659.504779]  ? __switch_to_asm+0x40/0x70
[  659.508851]  ? __switch_to_asm+0x34/0x70
[  659.512913]  ? __switch_to_asm+0x40/0x70
[  659.516976]  ? __switch_to_asm+0x34/0x70
[  659.521036]  ? __switch_to_asm+0x40/0x70
[  659.525111]  ? __switch_to_asm+0x34/0x70
[  659.529179]  ? __switch_to_asm+0x34/0x70
[  659.533249]  ? __switch_to_asm+0x40/0x70
[  659.537323]  ? __switch_to_asm+0x34/0x70
[  659.541403]  bpf_clone_redirect+0xb9/0x490
[  659.545647]  ? __schedule+0x8d7/0x21d0
[  659.549545]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  659.554580]  ? __sched_text_start+0x8/0x8
[  659.558745]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  659.563334]  ? retint_kernel+0x2d/0x2d
[  659.567225]  ? trace_hardirqs_on_caller+0xc0/0x310
[  659.572175]  ? find_held_lock+0x36/0x1c0
[  659.576265]  ? lock_acquire+0x1ed/0x520
[  659.580259]  ? bpf_test_run+0x3cb/0x780
[  659.584239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.589797]  ? check_preemption_disabled+0x48/0x280
[  659.594828]  ? kasan_check_read+0x11/0x20
[  659.598980]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.604274]  ? rcu_softirq_qs+0x20/0x20
[  659.608265]  ? preempt_schedule+0x4d/0x60
[  659.612424]  ? ___preempt_schedule+0x16/0x18
[  659.616849]  ? bpf_test_run+0x25d/0x780
[  659.620843]  ? netlink_diag_dump+0x2a0/0x2a0
[  659.625276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.630822]  ? bpf_test_init.isra.10+0x70/0x100
[  659.635502]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  659.640286]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.645135]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  659.650677]  ? fput+0x130/0x1a0
[  659.653961]  ? __bpf_prog_get+0x9b/0x290
[  659.658027]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  659.662873]  ? bpf_prog_test_run+0x130/0x1a0
[  659.667291]  ? __x64_sys_bpf+0x3d8/0x520
[  659.671357]  ? bpf_prog_get+0x20/0x20
[  659.675181]  ? do_syscall_64+0x1b9/0x820
[  659.679258]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  659.684631]  ? syscall_return_slowpath+0x5e0/0x5e0
[  659.689569]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.694599]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  659.699623]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  659.706303]  ? __switch_to_asm+0x40/0x70
[  659.710370]  ? __switch_to_asm+0x34/0x70
[  659.714451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.719321]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  659.725167] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  659.725268] aoe: skb alloc failure
[  659.731760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  659.731765] Call Trace:
[  659.731772]  <IRQ>
[  659.731792]  dump_stack+0x244/0x39d
[  659.731810]  ? dump_stack_print_info.cold.1+0x20/0x20
[  659.731837]  warn_alloc.cold.116+0xb7/0x1bd
[  659.735387] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  659.744719]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  659.747278] syz-executor3 cpuset=syz3 mems_allowed=0
[  659.749425]  ? lock_downgrade+0x900/0x900
[  659.787042]  ? trace_hardirqs_off+0xb8/0x310
[  659.791463]  ? trace_hardirqs_off+0xb8/0x310
[  659.795891]  __alloc_pages_slowpath+0x26e8/0x2e10
[  659.800784]  ? warn_alloc+0x120/0x120
[  659.804593]  ? print_usage_bug+0xc0/0xc0
[  659.808665]  ? warn_alloc+0x120/0x120
[  659.812475]  ? warn_alloc+0x120/0x120
[  659.816373]  ? print_usage_bug+0xc0/0xc0
[  659.820446]  ? print_usage_bug+0xc0/0xc0
[  659.824520]  ? __lock_acquire+0x62f/0x4c20
[  659.828769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.834314]  ? should_fail+0x22d/0xd01
[  659.838215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.843335]  ? __lock_acquire+0x62f/0x4c20
[  659.847577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.852682]  ? __lock_acquire+0x62f/0x4c20
[  659.856920]  ? should_fail+0x22d/0xd01
[  659.860807]  ? find_held_lock+0x36/0x1c0
[  659.864879]  ? mark_held_locks+0x130/0x130
[  659.869121]  ? mark_held_locks+0x130/0x130
[  659.873355]  ? zap_class+0x640/0x640
[  659.877074]  ? zap_class+0x640/0x640
[  659.880794]  ? print_usage_bug+0xc0/0xc0
[  659.884852]  ? do_raw_spin_unlock+0xa7/0x330
[  659.889275]  ? zap_class+0x640/0x640
[  659.892997]  ? print_usage_bug+0xc0/0xc0
[  659.897064]  ? wq_watchdog_touch+0x9c/0xfe
[  659.901309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.906852]  ? check_preemption_disabled+0x48/0x280
[  659.911884]  ? __lock_is_held+0xb5/0x140
[  659.915958]  __alloc_pages_nodemask+0xa80/0xde0
[  659.920629]  ? zap_class+0x640/0x640
[  659.924357]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  659.929395]  ? find_held_lock+0x36/0x1c0
[  659.933471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  659.938143]  ? lock_downgrade+0x900/0x900
[  659.942301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.947851]  cache_grow_begin+0xa5/0x8c0
[  659.951925]  ? do_raw_spin_unlock+0xa7/0x330
[  659.956345]  fallback_alloc+0x204/0x2e0
[  659.960335]  ____cache_alloc_node+0x1c7/0x1e0
[  659.964841]  kmem_cache_alloc_node+0xe3/0x730
[  659.969346]  ? ipv6_get_ifaddr+0x42e/0x620
[  659.973600]  __alloc_skb+0x119/0x770
[  659.977317]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  659.982688]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.987097]  ? lock_downgrade+0x900/0x900
[  659.991268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.996814]  ? refcount_sub_and_test_checked+0x203/0x310
[  660.002281]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  660.007738]  ? addrconf_rs_timer+0x690/0x690
[  660.012169]  ndisc_alloc_skb+0x144/0x340
[  660.016236]  ndisc_send_rs+0x331/0x6e0
[  660.020140]  addrconf_rs_timer+0x314/0x690
[  660.024385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.028634]  call_timer_fn+0x272/0x920
[  660.032524]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.036766]  ? process_timeout+0x40/0x40
[  660.040840]  ? mark_held_locks+0xc7/0x130
[  660.044994]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.049492]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.053992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.058237]  ? lockdep_hardirqs_on+0x296/0x5b0
[  660.062836]  ? trace_hardirqs_on+0xbd/0x310
[  660.067160]  ? kasan_check_read+0x11/0x20
[  660.071309]  ? __run_timers+0x7da/0xc70
[  660.075295]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.080414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.084659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.088893]  __run_timers+0x7e5/0xc70
[  660.092710]  ? timer_fixup_init+0x70/0x70
[  660.096873]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  660.101898]  ? zap_class+0x640/0x640
[  660.105621]  ? print_usage_bug+0xc0/0xc0
[  660.109686]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  660.114888]  ? find_held_lock+0x36/0x1c0
[  660.118957]  ? zap_class+0x640/0x640
[  660.122686]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.128229]  ? check_preemption_disabled+0x48/0x280
[  660.133273]  ? __lock_is_held+0xb5/0x140
[  660.137340]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.142894]  ? check_preemption_disabled+0x48/0x280
[  660.147926]  run_timer_softirq+0x52/0xb0
[  660.151992]  ? rcu_read_lock_sched_held+0x14f/0x180
[  660.157020]  __do_softirq+0x308/0xb7e
[  660.160839]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  660.165340]  ? lock_downgrade+0x900/0x900
[  660.169501]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  660.174617]  ? pvclock_read_flags+0x160/0x160
[  660.179121]  ? lapic_next_event+0x5a/0x90
[  660.183286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.188836]  ? kvm_clock_read+0x18/0x30
[  660.192816]  ? kvm_sched_clock_read+0x9/0x20
[  660.197237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.202797]  ? check_preemption_disabled+0x48/0x280
[  660.207829]  irq_exit+0x17f/0x1c0
[  660.211287]  smp_apic_timer_interrupt+0x1cb/0x760
[  660.216133]  ? smp_reschedule_interrupt+0x109/0x650
[  660.221159]  ? smp_call_function_single_interrupt+0x650/0x650
[  660.227056]  ? interrupt_entry+0xb5/0xc0
[  660.231126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.236145]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.241189]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.246042]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.251058]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.256077]  ? task_prio+0x50/0x50
[  660.259624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.265163]  ? check_preemption_disabled+0x48/0x280
[  660.270194]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.275047]  apic_timer_interrupt+0xf/0x20
[  660.279275]  </IRQ>
[  660.281520] RIP: 0010:dump_stack+0x358/0x39d
[  660.285931] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  660.304838] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  660.312544] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  660.319812] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  660.327081] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  660.334350] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  660.341615] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  660.348907]  ? dump_stack+0x34f/0x39d
[  660.352722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.357924]  ? mark_held_locks+0x130/0x130
[  660.362157]  ? mark_held_locks+0x130/0x130
[  660.366400]  dump_header+0x27b/0xf72
[  660.370126]  ? pagefault_out_of_memory+0x197/0x197
[  660.375068]  ? __lock_acquire+0x62f/0x4c20
[  660.379309]  ? percpu_ref_get_many+0x240/0x240
[  660.383895]  ? print_usage_bug+0xc0/0xc0
[  660.387967]  ? zap_class+0x640/0x640
[  660.391687]  ? print_usage_bug+0xc0/0xc0
[  660.395750]  ? print_usage_bug+0xc0/0xc0
[  660.399820]  ? zap_class+0x640/0x640
[  660.403544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.409089]  ? find_held_lock+0x36/0x1c0
[  660.413163]  ? mark_held_locks+0xc7/0x130
[  660.417321]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.422437]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.427549]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.432136]  ? trace_hardirqs_on+0xbd/0x310
[  660.436462]  ? kasan_check_read+0x11/0x20
[  660.440609]  ? ___ratelimit+0x3b4/0x672
[  660.444589]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.449695]  ? trace_hardirqs_on+0x310/0x310
[  660.454106]  ? lock_downgrade+0x900/0x900
[  660.458273]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  660.463383]  ? ___ratelimit+0x3b9/0x672
[  660.467361]  ? idr_get_free+0xf70/0xf70
[  660.471337]  ? find_held_lock+0x36/0x1c0
[  660.475421]  oom_kill_process.cold.27+0x10/0x903
[  660.480181]  ? zap_class+0x640/0x640
[  660.483902]  ? check_preemption_disabled+0x48/0x280
[  660.488927]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.493860]  ? kasan_check_read+0x11/0x20
[  660.498008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.503295]  ? oom_evaluate_task+0x540/0x540
[  660.507708]  ? find_held_lock+0x36/0x1c0
[  660.511784]  ? out_of_memory+0x974/0x1430
[  660.515935]  ? lock_downgrade+0x900/0x900
[  660.520086]  ? check_preemption_disabled+0x48/0x280
[  660.525106]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.530063]  ? kasan_check_read+0x11/0x20
[  660.534215]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.539499]  ? rcu_softirq_qs+0x20/0x20
[  660.543499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.549042]  ? oom_evaluate_task+0x302/0x540
[  660.553459]  out_of_memory+0xa84/0x1430
[  660.557446]  ? oom_killer_disable+0x3a0/0x3a0
[  660.561942]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  660.566874]  ? __ww_mutex_check_waiters+0x160/0x160
[  660.571905]  __alloc_pages_slowpath+0x2354/0x2e10
[  660.576786]  ? warn_alloc+0x120/0x120
[  660.580590]  ? mark_held_locks+0x130/0x130
[  660.584837]  ? find_get_entry+0xaae/0x1120
[  660.589088]  ? filemap_map_pages+0x1a20/0x1a20
[  660.593678]  ? zap_class+0x640/0x640
[  660.597404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.602951]  ? check_preemption_disabled+0x48/0x280
[  660.607974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.613513]  ? should_fail+0x22d/0xd01
[  660.617410]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.622523]  ? zap_class+0x640/0x640
[  660.626275]  ? __lock_is_held+0xb5/0x140
[  660.630353]  ? mark_held_locks+0x130/0x130
[  660.634597]  ? lock_release+0xa00/0xa00
[  660.638574]  ? perf_trace_sched_process_exec+0x860/0x860
[  660.644028]  ? xa_load+0x2ba/0x460
[  660.647574]  ? lock_downgrade+0x900/0x900
[  660.651729]  ? __might_sleep+0x95/0x190
[  660.655718]  __alloc_pages_nodemask+0xa80/0xde0
[  660.660402]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  660.665423]  ? __page_cache_alloc+0x191/0x5c0
[  660.669925]  ? xa_load+0x2e1/0x460
[  660.673480]  ? xa_clear_mark+0x40/0x40
[  660.677377]  ? zap_class+0x640/0x640
[  660.681104]  ? zap_class+0x640/0x640
[  660.684817]  ? zap_class+0x640/0x640
[  660.688533]  ? __do_page_cache_readahead+0x663/0x810
[  660.693649]  ? find_held_lock+0x36/0x1c0
[  660.697719]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  660.703276]  alloc_pages_current+0x173/0x350
[  660.707698]  __page_cache_alloc+0x38c/0x5c0
[  660.712019]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.716950]  ? kasan_check_read+0x11/0x20
[  660.721100]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.726384]  ? generic_perform_write+0x6a0/0x6a0
[  660.731144]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.736684]  ? check_preemption_disabled+0x48/0x280
[  660.741711]  filemap_fault+0x1595/0x25f0
[  660.745794]  ? __lock_page_or_retry+0xa00/0xa00
[  660.750471]  ? mark_held_locks+0x130/0x130
[  660.754728]  ? filemap_map_pages+0xd6b/0x1a20
[  660.759239]  ? lock_downgrade+0x900/0x900
[  660.763400]  ? check_preemption_disabled+0x48/0x280
[  660.768433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.773367]  ? kasan_check_read+0x11/0x20
[  660.777519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.782809]  ? rcu_softirq_qs+0x20/0x20
[  660.786812]  ? filemap_map_pages+0xd92/0x1a20
[  660.791321]  ? print_usage_bug+0xc0/0xc0
[  660.795403]  ? find_get_entries_tag+0x1400/0x1400
[  660.800263]  ? __kasan_slab_free+0x102/0x150
[  660.804679]  ? kasan_slab_free+0xe/0x10
[  660.808654]  ? kmem_cache_free+0x83/0x290
[  660.812807]  ? __sigqueue_free.part.29+0x74/0x90
[  660.817589]  ? lock_acquire+0x1ed/0x520
[  660.821565]  ? ext4_filemap_fault+0x7a/0xad
[  660.825902]  ? lock_release+0xa00/0xa00
[  660.829879]  ? perf_trace_sched_process_exec+0x860/0x860
[  660.835339]  ? print_usage_bug+0xc0/0xc0
[  660.839406]  ? print_usage_bug+0xc0/0xc0
[  660.843485]  ? down_read+0x8d/0x120
[  660.847113]  ? ext4_filemap_fault+0x7a/0xad
[  660.851437]  ? __down_interruptible+0x700/0x700
[  660.856648]  ext4_filemap_fault+0x82/0xad
[  660.860807]  __do_fault+0x100/0x6b0
[  660.864444]  ? pmd_devmap_trans_unstable+0x220/0x220
[  660.869562]  ? mark_held_locks+0x130/0x130
[  660.873985]  ? mark_held_locks+0x130/0x130
[  660.878224]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  660.883786]  ? rcu_pm_notify+0xc0/0xc0
[  660.887690]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.893239]  __handle_mm_fault+0x3ea6/0x5be0
[  660.897672]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  660.902518]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.907025]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.911617]  ? trace_hardirqs_on+0xbd/0x310
[  660.915947]  ? kasan_check_read+0x11/0x20
[  660.920099]  ? __set_current_blocked+0xdf/0x120
[  660.924778]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.929902]  ? zap_class+0x640/0x640
[  660.933620]  ? zap_class+0x640/0x640
[  660.937344]  ? find_held_lock+0x36/0x1c0
[  660.941419]  ? handle_mm_fault+0x42a/0xc70
[  660.945661]  ? lock_downgrade+0x900/0x900
[  660.949809]  ? check_preemption_disabled+0x48/0x280
[  660.954836]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.959775]  ? kasan_check_read+0x11/0x20
[  660.963930]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.969211]  ? rcu_softirq_qs+0x20/0x20
[  660.973197]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.978309]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.983857]  ? check_preemption_disabled+0x48/0x280
[  660.988884]  handle_mm_fault+0x54f/0xc70
[  660.992954]  ? __handle_mm_fault+0x5be0/0x5be0
[  660.997548]  ? find_vma+0x34/0x190
[  661.001100]  __do_page_fault+0x5e8/0xe60
[  661.005171]  ? exit_to_usermode_loop+0x1f4/0x380
[  661.009945]  do_page_fault+0xf2/0x7e0
[  661.013750]  ? vmalloc_sync_all+0x30/0x30
[  661.017904]  ? error_entry+0x70/0xd0
[  661.021624]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.026644]  ? trace_hardirqs_on_caller+0xc0/0x310
[  661.031575]  ? syscall_return_slowpath+0x5e0/0x5e0
[  661.036504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.041352]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.046371]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  661.051831]  ? prepare_exit_to_usermode+0x291/0x3b0
[  661.056853]  ? page_fault+0x8/0x30
[  661.060400]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.065256]  ? page_fault+0x8/0x30
[  661.068799]  page_fault+0x1e/0x30
[  661.072264] RIP: 0033:0x45db60
[  661.075472] Code: Bad RIP value.
[  661.078838] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  661.084204] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  661.091474] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  661.098745] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  661.106026] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  661.113307] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  661.120605] warn_alloc_show_mem: 1 callbacks suppressed
[  661.120618] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  661.120619] Mem-Info:
[  661.120650] active_anon:45842 inactive_anon:131 isolated_anon:0
[  661.120650]  active_file:10 inactive_file:14 isolated_file:0
[  661.120650]  unevictable:0 dirty:0 writeback:0 unstable:0
[  661.120650]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  661.120650]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  661.120650]  free:13767 free_pcp:218 free_cma:0
[  661.125994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  661.132946] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  661.135345] Call Trace:
[  661.168221] 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
[  661.177584]  <IRQ>
[  661.205071] lowmem_reserve[]: 0 2818 6321 6321
[  661.207680]  dump_stack+0x244/0x39d
[  661.233780] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  661.235938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  661.240496] lowmem_reserve[]: 0 0 3503 3503
[  661.244137]  warn_alloc.cold.116+0xb7/0x1bd
[  661.271439] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  661.276639]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  661.280920] lowmem_reserve[]: 0 0 0 0
[  661.285264]  ? lock_downgrade+0x900/0x900
[  661.314132] 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
[  661.318986]  ? trace_hardirqs_off+0xb8/0x310
[  661.322763] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  661.326922]  ? trace_hardirqs_off+0xb8/0x310
[  661.340431] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  661.344859]  __alloc_pages_slowpath+0x26e8/0x2e10
[  661.360125] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  661.364562]  ? warn_alloc+0x120/0x120
[  661.379339] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  661.379350] 162 total pagecache pages
[  661.384201]  ? warn_alloc+0x120/0x120
[  661.393019] 0 pages in swap cache
[  661.396822]  ? __lock_acquire+0x62f/0x4c20
[  661.405379] Swap cache stats: add 0, delete 0, find 0/0
[  661.405390] Free swap  = 0kB
[  661.409197]  ? warn_alloc+0x120/0x120
[  661.412971] Total swap = 0kB
[  661.416435]  ? print_usage_bug+0xc0/0xc0
[  661.420646] 1965979 pages RAM
[  661.426017]  ? print_usage_bug+0xc0/0xc0
[  661.429014] 0 pages HighMem/MovableOnly
[  661.432819]  ? mark_held_locks+0x130/0x130
[  661.435818] 342855 pages reserved
[  661.439884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.442967] 0 pages cma reserved
[  661.447034]  ? should_fail+0x22d/0xd01
[  661.451046] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  661.455216]  ? zap_class+0x640/0x640
[  661.455237]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.458810] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  661.464227]  ? __lock_acquire+0x62f/0x4c20
[  661.467569] syz-fuzzer cpuset=/ mems_allowed=0
[  661.471456]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.510851]  ? should_fail+0x22d/0xd01
[  661.514762]  ? mark_held_locks+0x130/0x130
[  661.519015]  ? mark_held_locks+0x130/0x130
[  661.523286]  ? lock_downgrade+0x900/0x900
[  661.527447]  ? zap_class+0x640/0x640
[  661.531173]  ? zap_class+0x640/0x640
[  661.534920]  ? zap_class+0x640/0x640
[  661.538637]  ? do_raw_spin_unlock+0xa7/0x330
[  661.543051]  ? trace_hardirqs_on+0x310/0x310
[  661.547463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.553005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.558562]  ? check_preemption_disabled+0x48/0x280
[  661.563604]  ? __lock_is_held+0xb5/0x140
[  661.567680]  __alloc_pages_nodemask+0xa80/0xde0
[  661.572360]  ? zap_class+0x640/0x640
[  661.576091]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  661.581131]  ? find_held_lock+0x36/0x1c0
[  661.585210]  ? ____cache_alloc_node+0x1c7/0x1e0
[  661.590155]  ? lock_downgrade+0x900/0x900
[  661.594314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.599886]  cache_grow_begin+0xa5/0x8c0
[  661.603964]  ? do_raw_spin_unlock+0xa7/0x330
[  661.608396]  fallback_alloc+0x204/0x2e0
[  661.612389]  ____cache_alloc_node+0x1c7/0x1e0
[  661.616909]  kmem_cache_alloc_node+0xe3/0x730
[  661.621439]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.626041]  __alloc_skb+0x119/0x770
[  661.629760]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  661.635135]  ? netdev_alloc_frag+0x1f0/0x1f0
[  661.639555]  ? vprintk_default+0x28/0x30
[  661.643629]  ? vprintk_func+0x85/0x181
[  661.647524]  ? printk+0xa7/0xcf
[  661.650838]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  661.655605]  ? do_raw_spin_trylock+0x270/0x270
[  661.660224]  new_skb+0x26/0x1c0
[  661.663525]  aoecmd_cfg+0x279/0x7f0
[  661.667159]  ? find_held_lock+0x36/0x1c0
[  661.671224]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  661.675568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.681127]  ? __lock_is_held+0xb5/0x140
[  661.685216]  discover_timer+0x50/0x60
[  661.689046]  call_timer_fn+0x272/0x920
[  661.692964]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.697826]  ? process_timeout+0x40/0x40
[  661.701915]  ? __run_timers+0x7da/0xc70
[  661.705908]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.710415]  ? _raw_spin_unlock_irq+0x27/0x80
[  661.714921]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.719780]  ? lockdep_hardirqs_on+0x296/0x5b0
[  661.725908]  ? trace_hardirqs_on+0xbd/0x310
[  661.730252]  ? kasan_check_read+0x11/0x20
[  661.734411]  ? __run_timers+0x7da/0xc70
[  661.738391]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.743511]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  661.748370]  __run_timers+0x7e5/0xc70
[  661.752190]  ? timer_fixup_init+0x70/0x70
[  661.756353]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  661.761376]  ? zap_class+0x640/0x640
[  661.765100]  ? enqueue_hrtimer+0x1a5/0x560
[  661.769348]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  661.774562]  ? find_held_lock+0x36/0x1c0
[  661.778647]  ? zap_class+0x640/0x640
[  661.782374]  ? pvclock_read_flags+0x160/0x160
[  661.786888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.792443]  ? check_preemption_disabled+0x48/0x280
[  661.797478]  ? __lock_is_held+0xb5/0x140
[  661.801546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.807090]  ? check_preemption_disabled+0x48/0x280
[  661.812127]  run_timer_softirq+0x52/0xb0
[  661.816197]  ? rcu_read_lock_sched_held+0x14f/0x180
[  661.821217]  __do_softirq+0x308/0xb7e
[  661.825043]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  661.829548]  ? lock_downgrade+0x900/0x900
[  661.833710]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  661.838827]  ? pvclock_read_flags+0x160/0x160
[  661.843330]  ? lapic_next_event+0x5a/0x90
[  661.847483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.853042]  ? kvm_clock_read+0x18/0x30
[  661.857028]  ? kvm_sched_clock_read+0x9/0x20
[  661.861447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.867000]  ? check_preemption_disabled+0x48/0x280
[  661.872043]  irq_exit+0x17f/0x1c0
[  661.875505]  smp_apic_timer_interrupt+0x1cb/0x760
[  661.880357]  ? smp_call_function_single_interrupt+0x159/0x650
[  661.886286]  ? smp_call_function_single_interrupt+0x650/0x650
[  661.892181]  ? interrupt_entry+0xb5/0xc0
[  661.896260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.901290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.906334]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.911187]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.916208]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.921252]  ? task_prio+0x50/0x50
[  661.924813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.930371]  ? check_preemption_disabled+0x48/0x280
[  661.935401]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.940268]  apic_timer_interrupt+0xf/0x20
[  661.944501]  </IRQ>
[  661.946740] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  661.951673] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  661.970585] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  661.978304] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  661.985580] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  661.992849] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  662.000118] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  662.007392] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  662.014721]  skb_clone+0x1bb/0x500
[  662.018297]  ? finish_task_switch+0x2f4/0x910
[  662.022807]  ? skb_split+0x11e0/0x11e0
[  662.026701]  ? preempt_notifier_register+0x200/0x200
[  662.031829]  ? __switch_to_asm+0x34/0x70
[  662.035896]  ? __switch_to_asm+0x34/0x70
[  662.039965]  ? __switch_to_asm+0x40/0x70
[  662.044029]  ? __switch_to_asm+0x34/0x70
[  662.048097]  ? __switch_to_asm+0x40/0x70
[  662.052161]  ? __switch_to_asm+0x34/0x70
[  662.056228]  ? __switch_to_asm+0x40/0x70
[  662.060308]  ? __switch_to_asm+0x34/0x70
[  662.064375]  ? __switch_to_asm+0x34/0x70
[  662.068439]  ? __switch_to_asm+0x40/0x70
[  662.072507]  ? __switch_to_asm+0x34/0x70
[  662.076587]  bpf_clone_redirect+0xb9/0x490
[  662.080826]  ? __schedule+0x8d7/0x21d0
[  662.084730]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  662.089756]  ? __sched_text_start+0x8/0x8
[  662.093941]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  662.098548]  ? retint_kernel+0x2d/0x2d
[  662.102463]  ? trace_hardirqs_on_caller+0xc0/0x310
[  662.107492]  ? find_held_lock+0x36/0x1c0
[  662.111570]  ? lock_acquire+0x1ed/0x520
[  662.115569]  ? bpf_test_run+0x3cb/0x780
[  662.119548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.125100]  ? check_preemption_disabled+0x48/0x280
[  662.130129]  ? kasan_check_read+0x11/0x20
[  662.134291]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.139571]  ? rcu_softirq_qs+0x20/0x20
[  662.143548]  ? preempt_schedule+0x4d/0x60
[  662.147702]  ? ___preempt_schedule+0x16/0x18
[  662.152122]  ? bpf_test_run+0x25d/0x780
[  662.156112]  ? netlink_diag_dump+0x2a0/0x2a0
[  662.160528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.166066]  ? bpf_test_init.isra.10+0x70/0x100
[  662.170743]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  662.175513]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.180375]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  662.185922]  ? fput+0x130/0x1a0
[  662.189207]  ? __bpf_prog_get+0x9b/0x290
[  662.193282]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.198124]  ? bpf_prog_test_run+0x130/0x1a0
[  662.202538]  ? __x64_sys_bpf+0x3d8/0x520
[  662.206604]  ? bpf_prog_get+0x20/0x20
[  662.210429]  ? do_syscall_64+0x1b9/0x820
[  662.214493]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  662.219859]  ? syscall_return_slowpath+0x5e0/0x5e0
[  662.224797]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.229814]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  662.234832]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  662.241503]  ? __switch_to_asm+0x40/0x70
[  662.245563]  ? __switch_to_asm+0x34/0x70
[  662.249631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.254488]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  662.259878] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  662.259954] aoe: skb alloc failure
[  662.266460] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  662.266465] Call Trace:
[  662.266472]  <IRQ>
[  662.266492]  dump_stack+0x244/0x39d
[  662.266511]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.266539]  warn_alloc.cold.116+0xb7/0x1bd
[  662.270078] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  662.279411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  662.281967] syz-executor3 cpuset=syz3 mems_allowed=0
[  662.284111]  ? lock_downgrade+0x900/0x900
[  662.321731]  ? trace_hardirqs_off+0xb8/0x310
[  662.326157]  ? trace_hardirqs_off+0xb8/0x310
[  662.330577]  __alloc_pages_slowpath+0x26e8/0x2e10
[  662.335459]  ? warn_alloc+0x120/0x120
[  662.339273]  ? print_usage_bug+0xc0/0xc0
[  662.343340]  ? warn_alloc+0x120/0x120
[  662.347146]  ? warn_alloc+0x120/0x120
[  662.350951]  ? print_usage_bug+0xc0/0xc0
[  662.355015]  ? kvm_clock_read+0x18/0x30
[  662.358991]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  662.364011]  ? print_usage_bug+0xc0/0xc0
[  662.368073]  ? __lock_acquire+0x62f/0x4c20
[  662.372320]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.377860]  ? should_fail+0x22d/0xd01
[  662.381744]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.387033]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.392139]  ? __lock_acquire+0x62f/0x4c20
[  662.396378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.401484]  ? __lock_acquire+0x62f/0x4c20
[  662.405720]  ? should_fail+0x22d/0xd01
[  662.409604]  ? rcu_irq_exit+0x1a2/0x390
[  662.413591]  ? mark_held_locks+0x130/0x130
[  662.417834]  ? mark_held_locks+0x130/0x130
[  662.422080]  ? mark_held_locks+0xc7/0x130
[  662.426231]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  662.431267]  ? zap_class+0x640/0x640
[  662.434990]  ? print_usage_bug+0xc0/0xc0
[  662.439064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.444623]  ? check_preemption_disabled+0x48/0x280
[  662.449652]  ? __lock_is_held+0xb5/0x140
[  662.453721]  __alloc_pages_nodemask+0xa80/0xde0
[  662.458398]  ? zap_class+0x640/0x640
[  662.462123]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  662.467152]  ? find_held_lock+0x36/0x1c0
[  662.471231]  ? ____cache_alloc_node+0x1c7/0x1e0
[  662.475913]  ? lock_downgrade+0x900/0x900
[  662.480073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.485618]  cache_grow_begin+0xa5/0x8c0
[  662.489679]  ? do_raw_spin_unlock+0xa7/0x330
[  662.494094]  fallback_alloc+0x204/0x2e0
[  662.498077]  ____cache_alloc_node+0x1c7/0x1e0
[  662.502581]  kmem_cache_alloc_node+0xe3/0x730
[  662.507077]  ? ipv6_get_ifaddr+0x42e/0x620
[  662.511323]  __alloc_skb+0x119/0x770
[  662.515039]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.520326]  ? netdev_alloc_frag+0x1f0/0x1f0
[  662.524737]  ? lock_downgrade+0x900/0x900
[  662.528905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.534445]  ? refcount_sub_and_test_checked+0x203/0x310
[  662.539900]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  662.545354]  ? addrconf_rs_timer+0x690/0x690
[  662.549780]  ndisc_alloc_skb+0x144/0x340
[  662.553861]  ndisc_send_rs+0x331/0x6e0
[  662.557763]  addrconf_rs_timer+0x314/0x690
[  662.562005]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.566259]  call_timer_fn+0x272/0x920
[  662.570151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.574391]  ? process_timeout+0x40/0x40
[  662.578465]  ? mark_held_locks+0xc7/0x130
[  662.582622]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.587120]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.591634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.595873]  ? lockdep_hardirqs_on+0x296/0x5b0
[  662.600460]  ? trace_hardirqs_on+0xbd/0x310
[  662.604786]  ? kasan_check_read+0x11/0x20
[  662.608933]  ? __run_timers+0x7da/0xc70
[  662.612910]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.618021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.622266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  662.626501]  __run_timers+0x7e5/0xc70
[  662.630318]  ? timer_fixup_init+0x70/0x70
[  662.634471]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  662.639488]  ? zap_class+0x640/0x640
[  662.643205]  ? print_usage_bug+0xc0/0xc0
[  662.647274]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  662.652471]  ? find_held_lock+0x36/0x1c0
[  662.656542]  ? zap_class+0x640/0x640
[  662.660272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.665817]  ? check_preemption_disabled+0x48/0x280
[  662.670846]  ? __lock_is_held+0xb5/0x140
[  662.674917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.680457]  ? check_preemption_disabled+0x48/0x280
[  662.685513]  run_timer_softirq+0x52/0xb0
[  662.689579]  ? rcu_read_lock_sched_held+0x14f/0x180
[  662.694594]  __do_softirq+0x308/0xb7e
[  662.698397]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  662.702892]  ? lock_downgrade+0x900/0x900
[  662.707045]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  662.712159]  ? pvclock_read_flags+0x160/0x160
[  662.716659]  ? lapic_next_event+0x5a/0x90
[  662.720825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.726374]  ? kvm_clock_read+0x18/0x30
[  662.730349]  ? kvm_sched_clock_read+0x9/0x20
[  662.734773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.740317]  ? check_preemption_disabled+0x48/0x280
[  662.745347]  irq_exit+0x17f/0x1c0
[  662.748811]  smp_apic_timer_interrupt+0x1cb/0x760
[  662.753659]  ? smp_reschedule_interrupt+0x109/0x650
[  662.758685]  ? smp_call_function_single_interrupt+0x650/0x650
[  662.764571]  ? interrupt_entry+0xb5/0xc0
[  662.768634]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.773650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.778670]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.783514]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.788531]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.793552]  ? task_prio+0x50/0x50
[  662.797095]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.802639]  ? check_preemption_disabled+0x48/0x280
[  662.807667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.812519]  apic_timer_interrupt+0xf/0x20
[  662.816750]  </IRQ>
[  662.818995] RIP: 0010:dump_stack+0x358/0x39d
[  662.823407] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  662.842307] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  662.850014] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  662.857665] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  662.864937] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  662.872207] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  662.879491] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  662.886798]  ? dump_stack+0x34f/0x39d
[  662.890618]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.895815]  ? mark_held_locks+0x130/0x130
[  662.900051]  ? mark_held_locks+0x130/0x130
[  662.904293]  dump_header+0x27b/0xf72
[  662.908020]  ? pagefault_out_of_memory+0x197/0x197
[  662.912957]  ? __lock_acquire+0x62f/0x4c20
[  662.917196]  ? percpu_ref_get_many+0x240/0x240
[  662.921783]  ? print_usage_bug+0xc0/0xc0
[  662.925855]  ? zap_class+0x640/0x640
[  662.929575]  ? print_usage_bug+0xc0/0xc0
[  662.933635]  ? print_usage_bug+0xc0/0xc0
[  662.937701]  ? zap_class+0x640/0x640
[  662.941427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.947391]  ? find_held_lock+0x36/0x1c0
[  662.951465]  ? mark_held_locks+0xc7/0x130
[  662.955619]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.960723]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  662.965833]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  662.970419]  ? trace_hardirqs_on+0xbd/0x310
[  662.974744]  ? kasan_check_read+0x11/0x20
[  662.978894]  ? ___ratelimit+0x3b4/0x672
[  662.982879]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.987988]  ? trace_hardirqs_on+0x310/0x310
[  662.992403]  ? lock_downgrade+0x900/0x900
[  662.996566]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  663.001668]  ? ___ratelimit+0x3b9/0x672
[  663.005653]  ? idr_get_free+0xf70/0xf70
[  663.009629]  ? find_held_lock+0x36/0x1c0
[  663.013705]  oom_kill_process.cold.27+0x10/0x903
[  663.018465]  ? zap_class+0x640/0x640
[  663.022179]  ? check_preemption_disabled+0x48/0x280
[  663.027198]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.032126]  ? kasan_check_read+0x11/0x20
[  663.036278]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.041557]  ? oom_evaluate_task+0x540/0x540
[  663.045973]  ? find_held_lock+0x36/0x1c0
[  663.050044]  ? out_of_memory+0x974/0x1430
[  663.054196]  ? lock_downgrade+0x900/0x900
[  663.058350]  ? check_preemption_disabled+0x48/0x280
[  663.063375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.068308]  ? kasan_check_read+0x11/0x20
[  663.072457]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.077733]  ? rcu_softirq_qs+0x20/0x20
[  663.081715]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.087264]  ? oom_evaluate_task+0x302/0x540
[  663.091681]  out_of_memory+0xa84/0x1430
[  663.095669]  ? oom_killer_disable+0x3a0/0x3a0
[  663.100168]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  663.105104]  ? __ww_mutex_check_waiters+0x160/0x160
[  663.110137]  __alloc_pages_slowpath+0x2354/0x2e10
[  663.115014]  ? warn_alloc+0x120/0x120
[  663.118814]  ? mark_held_locks+0x130/0x130
[  663.123058]  ? find_get_entry+0xaae/0x1120
[  663.127311]  ? filemap_map_pages+0x1a20/0x1a20
[  663.131902]  ? zap_class+0x640/0x640
[  663.135626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.141165]  ? check_preemption_disabled+0x48/0x280
[  663.146184]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.151723]  ? should_fail+0x22d/0xd01
[  663.155618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.160730]  ? zap_class+0x640/0x640
[  663.164478]  ? __lock_is_held+0xb5/0x140
[  663.168553]  ? mark_held_locks+0x130/0x130
[  663.172794]  ? lock_release+0xa00/0xa00
[  663.176779]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.182230]  ? xa_load+0x2ba/0x460
[  663.185788]  ? lock_downgrade+0x900/0x900
[  663.189943]  ? __might_sleep+0x95/0x190
[  663.193924]  __alloc_pages_nodemask+0xa80/0xde0
[  663.198605]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  663.203627]  ? __page_cache_alloc+0x191/0x5c0
[  663.208124]  ? xa_load+0x2e1/0x460
[  663.211666]  ? xa_clear_mark+0x40/0x40
[  663.215558]  ? zap_class+0x640/0x640
[  663.219287]  ? zap_class+0x640/0x640
[  663.223000]  ? zap_class+0x640/0x640
[  663.226718]  ? __do_page_cache_readahead+0x663/0x810
[  663.231830]  ? find_held_lock+0x36/0x1c0
[  663.235897]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  663.241444]  alloc_pages_current+0x173/0x350
[  663.245860]  __page_cache_alloc+0x38c/0x5c0
[  663.250181]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.255113]  ? kasan_check_read+0x11/0x20
[  663.259272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.264552]  ? generic_perform_write+0x6a0/0x6a0
[  663.269314]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.274857]  ? check_preemption_disabled+0x48/0x280
[  663.279881]  filemap_fault+0x1595/0x25f0
[  663.283964]  ? __lock_page_or_retry+0xa00/0xa00
[  663.288637]  ? mark_held_locks+0x130/0x130
[  663.292881]  ? filemap_map_pages+0xd6b/0x1a20
[  663.297379]  ? lock_downgrade+0x900/0x900
[  663.301531]  ? check_preemption_disabled+0x48/0x280
[  663.306549]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.311480]  ? kasan_check_read+0x11/0x20
[  663.315626]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.320901]  ? rcu_softirq_qs+0x20/0x20
[  663.324892]  ? filemap_map_pages+0xd92/0x1a20
[  663.329394]  ? print_usage_bug+0xc0/0xc0
[  663.333463]  ? find_get_entries_tag+0x1400/0x1400
[  663.338311]  ? __kasan_slab_free+0x102/0x150
[  663.342724]  ? kasan_slab_free+0xe/0x10
[  663.346702]  ? kmem_cache_free+0x83/0x290
[  663.350854]  ? __sigqueue_free.part.29+0x74/0x90
[  663.355636]  ? lock_acquire+0x1ed/0x520
[  663.359611]  ? ext4_filemap_fault+0x7a/0xad
[  663.363940]  ? lock_release+0xa00/0xa00
[  663.367916]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.373367]  ? print_usage_bug+0xc0/0xc0
[  663.377430]  ? print_usage_bug+0xc0/0xc0
[  663.381506]  ? down_read+0x8d/0x120
[  663.385128]  ? ext4_filemap_fault+0x7a/0xad
[  663.389450]  ? __down_interruptible+0x700/0x700
[  663.394133]  ext4_filemap_fault+0x82/0xad
[  663.398284]  __do_fault+0x100/0x6b0
[  663.401919]  ? pmd_devmap_trans_unstable+0x220/0x220
[  663.407026]  ? mark_held_locks+0x130/0x130
[  663.411273]  ? mark_held_locks+0x130/0x130
[  663.415513]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  663.421054]  ? rcu_pm_notify+0xc0/0xc0
[  663.424950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.430500]  __handle_mm_fault+0x3ea6/0x5be0
[  663.434922]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  663.439774]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.444284]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  663.448876]  ? trace_hardirqs_on+0xbd/0x310
[  663.453200]  ? kasan_check_read+0x11/0x20
[  663.457346]  ? __set_current_blocked+0xdf/0x120
[  663.462016]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.467134]  ? zap_class+0x640/0x640
[  663.470846]  ? zap_class+0x640/0x640
[  663.474572]  ? find_held_lock+0x36/0x1c0
[  663.478643]  ? handle_mm_fault+0x42a/0xc70
[  663.482883]  ? lock_downgrade+0x900/0x900
[  663.487032]  ? check_preemption_disabled+0x48/0x280
[  663.492054]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.496986]  ? kasan_check_read+0x11/0x20
[  663.501139]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.506420]  ? rcu_softirq_qs+0x20/0x20
[  663.510397]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.515503]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.521044]  ? check_preemption_disabled+0x48/0x280
[  663.526071]  handle_mm_fault+0x54f/0xc70
[  663.530143]  ? __handle_mm_fault+0x5be0/0x5be0
[  663.534732]  ? find_vma+0x34/0x190
[  663.538287]  __do_page_fault+0x5e8/0xe60
[  663.542354]  ? exit_to_usermode_loop+0x1f4/0x380
[  663.547124]  do_page_fault+0xf2/0x7e0
[  663.550929]  ? vmalloc_sync_all+0x30/0x30
[  663.555079]  ? error_entry+0x70/0xd0
[  663.558799]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.563819]  ? trace_hardirqs_on_caller+0xc0/0x310
[  663.568753]  ? syscall_return_slowpath+0x5e0/0x5e0
[  663.573685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.578530]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.583549]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  663.589005]  ? prepare_exit_to_usermode+0x291/0x3b0
[  663.594027]  ? page_fault+0x8/0x30
[  663.597576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.602423]  ? page_fault+0x8/0x30
[  663.605966]  page_fault+0x1e/0x30
[  663.609419] RIP: 0033:0x45db60
[  663.612626] Code: Bad RIP value.
[  663.615994] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  663.621356] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  663.628625] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  663.635889] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  663.643158] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  663.650426] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  663.657721] warn_alloc_show_mem: 1 callbacks suppressed
[  663.657733] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  663.657735] Mem-Info:
[  663.657773] active_anon:45842 inactive_anon:131 isolated_anon:0
[  663.657773]  active_file:10 inactive_file:14 isolated_file:0
[  663.657773]  unevictable:0 dirty:0 writeback:0 unstable:0
[  663.657773]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  663.657773]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  663.657773]  free:13767 free_pcp:218 free_cma:0
[  663.663106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  663.670037] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  663.672435] Call Trace:
[  663.705334] 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
[  663.714690]  <IRQ>
[  663.742638] lowmem_reserve[]: 0 2818 6321 6321
[  663.745250]  dump_stack+0x244/0x39d
[  663.771347] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  663.773507]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.778055] lowmem_reserve[]: 0 0 3503 3503
[  663.781686]  warn_alloc.cold.116+0xb7/0x1bd
[  663.808991] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  663.814188]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  663.818478] lowmem_reserve[]: 0 0 0 0
[  663.822796]  ? lock_downgrade+0x900/0x900
[  663.851667] 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
[  663.856523]  ? trace_hardirqs_off+0xb8/0x310
[  663.860289] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  663.864438]  ? trace_hardirqs_off+0xb8/0x310
[  663.877941] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  663.882359]  __alloc_pages_slowpath+0x26e8/0x2e10
[  663.897593] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  663.902017]  ? warn_alloc+0x120/0x120
[  663.916799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  663.921645]  ? warn_alloc+0x120/0x120
[  663.930466] 162 total pagecache pages
[  663.934281]  ? __lock_acquire+0x62f/0x4c20
[  663.942834] 0 pages in swap cache
[  663.946628]  ? warn_alloc+0x120/0x120
[  663.950400] Swap cache stats: add 0, delete 0, find 0/0
[  663.950409] Free swap  = 0kB
[  663.954637]  ? print_usage_bug+0xc0/0xc0
[  663.958066] Total swap = 0kB
[  663.961861]  ? print_usage_bug+0xc0/0xc0
[  663.967199] 1965979 pages RAM
[  663.970211]  ? mark_held_locks+0x130/0x130
[  663.974238] 0 pages HighMem/MovableOnly
[  663.974254] 342855 pages reserved
[  663.977286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.981332] 0 pages cma reserved
[  663.984436]  ? should_fail+0x22d/0xd01
[  663.988711] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  663.992602]  ? zap_class+0x640/0x640
[  663.992621]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.996205] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  664.001581]  ? __lock_acquire+0x62f/0x4c20
[  664.004921] syz-fuzzer cpuset=/ mems_allowed=0
[  664.008805]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.048172]  ? should_fail+0x22d/0xd01
[  664.052074]  ? mark_held_locks+0x130/0x130
[  664.056318]  ? mark_held_locks+0x130/0x130
[  664.060553]  ? lock_downgrade+0x900/0x900
[  664.064704]  ? zap_class+0x640/0x640
[  664.068422]  ? zap_class+0x640/0x640
[  664.072136]  ? zap_class+0x640/0x640
[  664.075849]  ? do_raw_spin_unlock+0xa7/0x330
[  664.080271]  ? trace_hardirqs_on+0x310/0x310
[  664.084682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.090226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.095781]  ? check_preemption_disabled+0x48/0x280
[  664.100813]  ? __lock_is_held+0xb5/0x140
[  664.104884]  __alloc_pages_nodemask+0xa80/0xde0
[  664.109557]  ? zap_class+0x640/0x640
[  664.113294]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  664.118329]  ? find_held_lock+0x36/0x1c0
[  664.122410]  ? ____cache_alloc_node+0x1c7/0x1e0
[  664.127084]  ? lock_downgrade+0x900/0x900
[  664.131242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.136811]  cache_grow_begin+0xa5/0x8c0
[  664.140879]  ? do_raw_spin_unlock+0xa7/0x330
[  664.145301]  fallback_alloc+0x204/0x2e0
[  664.149292]  ____cache_alloc_node+0x1c7/0x1e0
[  664.153802]  kmem_cache_alloc_node+0xe3/0x730
[  664.158311]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.162907]  __alloc_skb+0x119/0x770
[  664.166620]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  664.171999]  ? netdev_alloc_frag+0x1f0/0x1f0
[  664.176425]  ? vprintk_default+0x28/0x30
[  664.180493]  ? vprintk_func+0x85/0x181
[  664.184390]  ? printk+0xa7/0xcf
[  664.187675]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  664.192437]  ? do_raw_spin_trylock+0x270/0x270
[  664.197025]  new_skb+0x26/0x1c0
[  664.200307]  aoecmd_cfg+0x279/0x7f0
[  664.203941]  ? find_held_lock+0x36/0x1c0
[  664.208006]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  664.212342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.217912]  ? __lock_is_held+0xb5/0x140
[  664.221992]  discover_timer+0x50/0x60
[  664.225802]  call_timer_fn+0x272/0x920
[  664.229693]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.234548]  ? process_timeout+0x40/0x40
[  664.238624]  ? __run_timers+0x7da/0xc70
[  664.242609]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.247114]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.251633]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.256496]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.261089]  ? trace_hardirqs_on+0xbd/0x310
[  664.265421]  ? kasan_check_read+0x11/0x20
[  664.269574]  ? __run_timers+0x7da/0xc70
[  664.273559]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.278687]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.283534]  __run_timers+0x7e5/0xc70
[  664.287350]  ? timer_fixup_init+0x70/0x70
[  664.291511]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.296536]  ? zap_class+0x640/0x640
[  664.300277]  ? enqueue_hrtimer+0x1a5/0x560
[  664.304522]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  664.309734]  ? find_held_lock+0x36/0x1c0
[  664.313805]  ? zap_class+0x640/0x640
[  664.317530]  ? pvclock_read_flags+0x160/0x160
[  664.322037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.327592]  ? check_preemption_disabled+0x48/0x280
[  664.332648]  ? __lock_is_held+0xb5/0x140
[  664.336726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.342292]  ? check_preemption_disabled+0x48/0x280
[  664.347327]  run_timer_softirq+0x52/0xb0
[  664.351397]  ? rcu_read_lock_sched_held+0x14f/0x180
[  664.356424]  __do_softirq+0x308/0xb7e
[  664.360240]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.364761]  ? lock_downgrade+0x900/0x900
[  664.368927]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  664.374050]  ? pvclock_read_flags+0x160/0x160
[  664.378560]  ? lapic_next_event+0x5a/0x90
[  664.382722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.388286]  ? kvm_clock_read+0x18/0x30
[  664.392376]  ? kvm_sched_clock_read+0x9/0x20
[  664.396809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.402362]  ? check_preemption_disabled+0x48/0x280
[  664.407395]  irq_exit+0x17f/0x1c0
[  664.410863]  smp_apic_timer_interrupt+0x1cb/0x760
[  664.415714]  ? smp_call_function_single_interrupt+0x159/0x650
[  664.421610]  ? smp_call_function_single_interrupt+0x650/0x650
[  664.427503]  ? interrupt_entry+0xb5/0xc0
[  664.431572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.436590]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.441612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.446464]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.451489]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.456515]  ? task_prio+0x50/0x50
[  664.460064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.465613]  ? check_preemption_disabled+0x48/0x280
[  664.470645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.475509]  apic_timer_interrupt+0xf/0x20
[  664.479744]  </IRQ>
[  664.481987] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  664.486923] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  664.505839] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  664.513558] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  664.520836] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  664.528111] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  664.535386] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  664.542661] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  664.549986]  skb_clone+0x1bb/0x500
[  664.553535]  ? finish_task_switch+0x2f4/0x910
[  664.558035]  ? skb_split+0x11e0/0x11e0
[  664.561927]  ? preempt_notifier_register+0x200/0x200
[  664.567036]  ? __switch_to_asm+0x34/0x70
[  664.571097]  ? __switch_to_asm+0x34/0x70
[  664.575157]  ? __switch_to_asm+0x40/0x70
[  664.579222]  ? __switch_to_asm+0x34/0x70
[  664.583297]  ? __switch_to_asm+0x40/0x70
[  664.587368]  ? __switch_to_asm+0x34/0x70
[  664.591430]  ? __switch_to_asm+0x40/0x70
[  664.595495]  ? __switch_to_asm+0x34/0x70
[  664.599562]  ? __switch_to_asm+0x34/0x70
[  664.603624]  ? __switch_to_asm+0x40/0x70
[  664.607687]  ? __switch_to_asm+0x34/0x70
[  664.611761]  bpf_clone_redirect+0xb9/0x490
[  664.615999]  ? __schedule+0x8d7/0x21d0
[  664.619894]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  664.624915]  ? __sched_text_start+0x8/0x8
[  664.629068]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  664.633657]  ? retint_kernel+0x2d/0x2d
[  664.637551]  ? trace_hardirqs_on_caller+0xc0/0x310
[  664.642491]  ? find_held_lock+0x36/0x1c0
[  664.646566]  ? lock_acquire+0x1ed/0x520
[  664.650546]  ? bpf_test_run+0x3cb/0x780
[  664.654527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.660069]  ? check_preemption_disabled+0x48/0x280
[  664.665098]  ? kasan_check_read+0x11/0x20
[  664.669253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  664.674538]  ? rcu_softirq_qs+0x20/0x20
[  664.678520]  ? preempt_schedule+0x4d/0x60
[  664.682669]  ? ___preempt_schedule+0x16/0x18
[  664.687087]  ? bpf_test_run+0x25d/0x780
[  664.691075]  ? netlink_diag_dump+0x2a0/0x2a0
[  664.695492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.701034]  ? bpf_test_init.isra.10+0x70/0x100
[  664.705709]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  664.710482]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  664.715333]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  664.720875]  ? fput+0x130/0x1a0
[  664.724159]  ? __bpf_prog_get+0x9b/0x290
[  664.728233]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  664.733094]  ? bpf_prog_test_run+0x130/0x1a0
[  664.737508]  ? __x64_sys_bpf+0x3d8/0x520
[  664.741570]  ? bpf_prog_get+0x20/0x20
[  664.745392]  ? do_syscall_64+0x1b9/0x820
[  664.749456]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  664.754826]  ? syscall_return_slowpath+0x5e0/0x5e0
[  664.759763]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.764785]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  664.769807]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  664.776482]  ? __switch_to_asm+0x40/0x70
[  664.780543]  ? __switch_to_asm+0x34/0x70
[  664.784616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.789473]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  664.794864] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  664.794931] aoe: skb alloc failure
[  664.801448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  664.801454] Call Trace:
[  664.801460]  <IRQ>
[  664.801482]  dump_stack+0x244/0x39d
[  664.801501]  ? dump_stack_print_info.cold.1+0x20/0x20
[  664.805053] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  664.815962]  warn_alloc.cold.116+0xb7/0x1bd
[  664.818510] syz-executor3 cpuset=syz3 mems_allowed=0
[  664.820655]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  664.854669]  ? lock_downgrade+0x900/0x900
[  664.858834]  ? trace_hardirqs_off+0xb8/0x310
[  664.863258]  ? trace_hardirqs_off+0xb8/0x310
[  664.867681]  __alloc_pages_slowpath+0x26e8/0x2e10
[  664.872558]  ? warn_alloc+0x120/0x120
[  664.876368]  ? warn_alloc+0x120/0x120
[  664.880172]  ? zap_class+0x640/0x640
[  664.883889]  ? warn_alloc+0x120/0x120
[  664.887700]  ? print_usage_bug+0xc0/0xc0
[  664.891765]  ? idle_cpu+0x1d0/0x1d0
[  664.895395]  ? kvm_sched_clock_read+0x9/0x20
[  664.899812]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.904840]  ? print_usage_bug+0xc0/0xc0
[  664.908909]  ? __lock_is_held+0xb5/0x140
[  664.912985]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.918528]  ? should_fail+0x22d/0xd01
[  664.922422]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.927542]  ? __lock_acquire+0x62f/0x4c20
[  664.931788]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.936896]  ? __lock_acquire+0x62f/0x4c20
[  664.941133]  ? should_fail+0x22d/0xd01
[  664.945035]  ? mark_held_locks+0x130/0x130
[  664.949282]  ? mark_held_locks+0x130/0x130
[  664.953518]  ? __enqueue_entity+0x10d/0x1f0
[  664.957850]  ? zap_class+0x640/0x640
[  664.961567]  ? print_usage_bug+0xc0/0xc0
[  664.965634]  ? __lock_acquire+0x62f/0x4c20
[  664.969880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.975424]  ? check_preemption_disabled+0x48/0x280
[  664.980454]  ? __lock_is_held+0xb5/0x140
[  664.984524]  __alloc_pages_nodemask+0xa80/0xde0
[  664.989200]  ? zap_class+0x640/0x640
[  664.992923]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  664.997953]  ? find_held_lock+0x36/0x1c0
[  665.002031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  665.006703]  ? lock_downgrade+0x900/0x900
[  665.010866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.016429]  cache_grow_begin+0xa5/0x8c0
[  665.020498]  ? do_raw_spin_unlock+0xa7/0x330
[  665.024923]  fallback_alloc+0x204/0x2e0
[  665.028945]  ____cache_alloc_node+0x1c7/0x1e0
[  665.033456]  kmem_cache_alloc_node+0xe3/0x730
[  665.037952]  ? ipv6_get_ifaddr+0x42e/0x620
[  665.042201]  __alloc_skb+0x119/0x770
[  665.045918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.051203]  ? netdev_alloc_frag+0x1f0/0x1f0
[  665.055619]  ? lock_downgrade+0x900/0x900
[  665.059785]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.065330]  ? refcount_sub_and_test_checked+0x203/0x310
[  665.070794]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  665.076259]  ? addrconf_rs_timer+0x690/0x690
[  665.080690]  ndisc_alloc_skb+0x144/0x340
[  665.084767]  ndisc_send_rs+0x331/0x6e0
[  665.088666]  addrconf_rs_timer+0x314/0x690
[  665.092911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.097165]  call_timer_fn+0x272/0x920
[  665.101059]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.105297]  ? process_timeout+0x40/0x40
[  665.109374]  ? mark_held_locks+0xc7/0x130
[  665.113527]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.118023]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.122521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.126762]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.131351]  ? trace_hardirqs_on+0xbd/0x310
[  665.135677]  ? kasan_check_read+0x11/0x20
[  665.139830]  ? __run_timers+0x7da/0xc70
[  665.143808]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.148929]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.153166]  __run_timers+0x7e5/0xc70
[  665.156982]  ? timer_fixup_init+0x70/0x70
[  665.161133]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  665.166155]  ? zap_class+0x640/0x640
[  665.169877]  ? print_usage_bug+0xc0/0xc0
[  665.173943]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  665.179150]  ? find_held_lock+0x36/0x1c0
[  665.183227]  ? zap_class+0x640/0x640
[  665.186960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.192506]  ? check_preemption_disabled+0x48/0x280
[  665.197535]  ? __lock_is_held+0xb5/0x140
[  665.201598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.207141]  ? check_preemption_disabled+0x48/0x280
[  665.212166]  run_timer_softirq+0x52/0xb0
[  665.216230]  ? rcu_read_lock_sched_held+0x14f/0x180
[  665.221276]  __do_softirq+0x308/0xb7e
[  665.225087]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.229584]  ? lock_downgrade+0x900/0x900
[  665.233740]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  665.238866]  ? pvclock_read_flags+0x160/0x160
[  665.243369]  ? lapic_next_event+0x5a/0x90
[  665.247524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.253077]  ? kvm_clock_read+0x18/0x30
[  665.257053]  ? kvm_sched_clock_read+0x9/0x20
[  665.261474]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.267019]  ? check_preemption_disabled+0x48/0x280
[  665.272052]  irq_exit+0x17f/0x1c0
[  665.275510]  smp_apic_timer_interrupt+0x1cb/0x760
[  665.280355]  ? smp_reschedule_interrupt+0x109/0x650
[  665.285385]  ? smp_call_function_single_interrupt+0x650/0x650
[  665.291289]  ? interrupt_entry+0xb5/0xc0
[  665.295368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.300403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.305431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.310285]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.315307]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.320326]  ? task_prio+0x50/0x50
[  665.323871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.329411]  ? check_preemption_disabled+0x48/0x280
[  665.334437]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.339299]  apic_timer_interrupt+0xf/0x20
[  665.343527]  </IRQ>
[  665.345781] RIP: 0010:dump_stack+0x358/0x39d
[  665.350196] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  665.369109] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  665.376823] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  665.384094] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  665.391369] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  665.398640] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  665.405914] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  665.413214]  ? dump_stack+0x34f/0x39d
[  665.417042]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.422242]  ? mark_held_locks+0x130/0x130
[  665.426489]  ? mark_held_locks+0x130/0x130
[  665.430733]  dump_header+0x27b/0xf72
[  665.434474]  ? pagefault_out_of_memory+0x197/0x197
[  665.439413]  ? __lock_acquire+0x62f/0x4c20
[  665.443655]  ? percpu_ref_get_many+0x240/0x240
[  665.448253]  ? print_usage_bug+0xc0/0xc0
[  665.452329]  ? zap_class+0x640/0x640
[  665.456047]  ? print_usage_bug+0xc0/0xc0
[  665.460108]  ? print_usage_bug+0xc0/0xc0
[  665.464171]  ? zap_class+0x640/0x640
[  665.467889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.473435]  ? find_held_lock+0x36/0x1c0
[  665.477507]  ? mark_held_locks+0xc7/0x130
[  665.481660]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.486771]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.491880]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  665.496466]  ? trace_hardirqs_on+0xbd/0x310
[  665.500789]  ? kasan_check_read+0x11/0x20
[  665.504939]  ? ___ratelimit+0x3b4/0x672
[  665.508918]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.514026]  ? trace_hardirqs_on+0x310/0x310
[  665.518435]  ? lock_downgrade+0x900/0x900
[  665.522594]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  665.527735]  ? ___ratelimit+0x3b9/0x672
[  665.531717]  ? idr_get_free+0xf70/0xf70
[  665.535696]  ? find_held_lock+0x36/0x1c0
[  665.539774]  oom_kill_process.cold.27+0x10/0x903
[  665.544532]  ? zap_class+0x640/0x640
[  665.548260]  ? check_preemption_disabled+0x48/0x280
[  665.553288]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.558217]  ? kasan_check_read+0x11/0x20
[  665.562375]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.567658]  ? oom_evaluate_task+0x540/0x540
[  665.572077]  ? find_held_lock+0x36/0x1c0
[  665.576151]  ? out_of_memory+0x974/0x1430
[  665.580303]  ? lock_downgrade+0x900/0x900
[  665.584450]  ? check_preemption_disabled+0x48/0x280
[  665.589473]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.594408]  ? kasan_check_read+0x11/0x20
[  665.598560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.603835]  ? rcu_softirq_qs+0x20/0x20
[  665.607824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.613367]  ? oom_evaluate_task+0x302/0x540
[  665.617784]  out_of_memory+0xa84/0x1430
[  665.621778]  ? oom_killer_disable+0x3a0/0x3a0
[  665.626286]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  665.631223]  ? __ww_mutex_check_waiters+0x160/0x160
[  665.636271]  __alloc_pages_slowpath+0x2354/0x2e10
[  665.641146]  ? warn_alloc+0x120/0x120
[  665.644951]  ? mark_held_locks+0x130/0x130
[  665.649193]  ? find_get_entry+0xaae/0x1120
[  665.653439]  ? filemap_map_pages+0x1a20/0x1a20
[  665.658027]  ? zap_class+0x640/0x640
[  665.661761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.667300]  ? check_preemption_disabled+0x48/0x280
[  665.672318]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.677855]  ? should_fail+0x22d/0xd01
[  665.681752]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.686867]  ? zap_class+0x640/0x640
[  665.690612]  ? __lock_is_held+0xb5/0x140
[  665.694682]  ? mark_held_locks+0x130/0x130
[  665.698923]  ? lock_release+0xa00/0xa00
[  665.702896]  ? perf_trace_sched_process_exec+0x860/0x860
[  665.708349]  ? xa_load+0x2ba/0x460
[  665.711895]  ? lock_downgrade+0x900/0x900
[  665.716051]  ? __might_sleep+0x95/0x190
[  665.720039]  __alloc_pages_nodemask+0xa80/0xde0
[  665.725019]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  665.730038]  ? __page_cache_alloc+0x191/0x5c0
[  665.734534]  ? xa_load+0x2e1/0x460
[  665.738076]  ? xa_clear_mark+0x40/0x40
[  665.741970]  ? zap_class+0x640/0x640
[  665.745695]  ? zap_class+0x640/0x640
[  665.749412]  ? zap_class+0x640/0x640
[  665.753126]  ? __do_page_cache_readahead+0x663/0x810
[  665.758238]  ? find_held_lock+0x36/0x1c0
[  665.762319]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  665.767869]  alloc_pages_current+0x173/0x350
[  665.772295]  __page_cache_alloc+0x38c/0x5c0
[  665.776620]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.781554]  ? kasan_check_read+0x11/0x20
[  665.785700]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.790981]  ? generic_perform_write+0x6a0/0x6a0
[  665.795742]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.801291]  ? check_preemption_disabled+0x48/0x280
[  665.806318]  filemap_fault+0x1595/0x25f0
[  665.810402]  ? __lock_page_or_retry+0xa00/0xa00
[  665.815080]  ? mark_held_locks+0x130/0x130
[  665.819333]  ? filemap_map_pages+0xd6b/0x1a20
[  665.823829]  ? lock_downgrade+0x900/0x900
[  665.827976]  ? check_preemption_disabled+0x48/0x280
[  665.833028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.837958]  ? kasan_check_read+0x11/0x20
[  665.842104]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.847382]  ? rcu_softirq_qs+0x20/0x20
[  665.851374]  ? filemap_map_pages+0xd92/0x1a20
[  665.855880]  ? print_usage_bug+0xc0/0xc0
[  665.859956]  ? find_get_entries_tag+0x1400/0x1400
[  665.864802]  ? __kasan_slab_free+0x102/0x150
[  665.869211]  ? kasan_slab_free+0xe/0x10
[  665.873183]  ? kmem_cache_free+0x83/0x290
[  665.877335]  ? __sigqueue_free.part.29+0x74/0x90
[  665.882114]  ? lock_acquire+0x1ed/0x520
[  665.886087]  ? ext4_filemap_fault+0x7a/0xad
[  665.890419]  ? lock_release+0xa00/0xa00
[  665.894395]  ? perf_trace_sched_process_exec+0x860/0x860
[  665.899846]  ? print_usage_bug+0xc0/0xc0
[  665.903908]  ? print_usage_bug+0xc0/0xc0
[  665.907983]  ? down_read+0x8d/0x120
[  665.911607]  ? ext4_filemap_fault+0x7a/0xad
[  665.915932]  ? __down_interruptible+0x700/0x700
[  665.920615]  ext4_filemap_fault+0x82/0xad
[  665.924777]  __do_fault+0x100/0x6b0
[  665.928415]  ? pmd_devmap_trans_unstable+0x220/0x220
[  665.933528]  ? mark_held_locks+0x130/0x130
[  665.937768]  ? mark_held_locks+0x130/0x130
[  665.942006]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  665.947545]  ? rcu_pm_notify+0xc0/0xc0
[  665.951454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.956998]  __handle_mm_fault+0x3ea6/0x5be0
[  665.961420]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  665.966272]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.970778]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  665.975367]  ? trace_hardirqs_on+0xbd/0x310
[  665.979688]  ? kasan_check_read+0x11/0x20
[  665.983835]  ? __set_current_blocked+0xdf/0x120
[  665.988509]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.993628]  ? zap_class+0x640/0x640
[  665.997341]  ? zap_class+0x640/0x640
[  666.001064]  ? find_held_lock+0x36/0x1c0
[  666.005137]  ? handle_mm_fault+0x42a/0xc70
[  666.009374]  ? lock_downgrade+0x900/0x900
[  666.013527]  ? check_preemption_disabled+0x48/0x280
[  666.018565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.023496]  ? kasan_check_read+0x11/0x20
[  666.027642]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.032916]  ? rcu_softirq_qs+0x20/0x20
[  666.036889]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.041999]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.047538]  ? check_preemption_disabled+0x48/0x280
[  666.052563]  handle_mm_fault+0x54f/0xc70
[  666.056628]  ? __handle_mm_fault+0x5be0/0x5be0
[  666.061219]  ? find_vma+0x34/0x190
[  666.064778]  __do_page_fault+0x5e8/0xe60
[  666.068846]  ? exit_to_usermode_loop+0x1f4/0x380
[  666.073615]  do_page_fault+0xf2/0x7e0
[  666.077420]  ? vmalloc_sync_all+0x30/0x30
[  666.081570]  ? error_entry+0x70/0xd0
[  666.085290]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.090310]  ? trace_hardirqs_on_caller+0xc0/0x310
[  666.095242]  ? syscall_return_slowpath+0x5e0/0x5e0
[  666.100182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.105029]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.110049]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  666.115505]  ? prepare_exit_to_usermode+0x291/0x3b0
[  666.120520]  ? page_fault+0x8/0x30
[  666.124067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.128916]  ? page_fault+0x8/0x30
[  666.132460]  page_fault+0x1e/0x30
[  666.135916] RIP: 0033:0x45db60
[  666.139122] Code: Bad RIP value.
[  666.142484] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  666.147848] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  666.155113] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  666.162377] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  666.169644] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  666.176910] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  666.184205] warn_alloc_show_mem: 1 callbacks suppressed
[  666.184218] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  666.184219] Mem-Info:
[  666.184264] active_anon:45842 inactive_anon:131 isolated_anon:0
[  666.184264]  active_file:10 inactive_file:14 isolated_file:0
[  666.184264]  unevictable:0 dirty:0 writeback:0 unstable:0
[  666.184264]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  666.184264]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  666.184264]  free:13767 free_pcp:218 free_cma:0
[  666.189599] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  666.189608] Call Trace:
[  666.196545] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  666.198944]  <IRQ>
[  666.231812] 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
[  666.241172]  dump_stack+0x244/0x39d
[  666.243719] lowmem_reserve[]: 0 2818 6321 6321
[  666.271271]  ? dump_stack_print_info.cold.1+0x20/0x20
[  666.273395] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  666.299507]  warn_alloc.cold.116+0xb7/0x1bd
[  666.303100] lowmem_reserve[]: 0 0 3503 3503
[  666.307675]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  666.312839] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  666.340162]  ? lock_downgrade+0x900/0x900
[  666.344457] lowmem_reserve[]: 0 0 0 0
[  666.348777]  ? trace_hardirqs_off+0xb8/0x310
[  666.353599] 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
[  666.382484]  ? trace_hardirqs_off+0xb8/0x310
[  666.386601] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  666.390403]  __alloc_pages_slowpath+0x26e8/0x2e10
[  666.394781] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  666.408322]  ? warn_alloc+0x120/0x120
[  666.412685] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  666.427930]  ? warn_alloc+0x120/0x120
[  666.432753] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  666.447567]  ? __lock_acquire+0x62f/0x4c20
[  666.451345] 162 total pagecache pages
[  666.460169]  ? warn_alloc+0x120/0x120
[  666.463952] 0 pages in swap cache
[  666.472511]  ? print_usage_bug+0xc0/0xc0
[  666.476727] Swap cache stats: add 0, delete 0, find 0/0
[  666.480518]  ? print_usage_bug+0xc0/0xc0
[  666.484296] Free swap  = 0kB
[  666.487743]  ? mark_held_locks+0x130/0x130
[  666.491787] Total swap = 0kB
[  666.497142]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.501178] 1965979 pages RAM
[  666.504194]  ? should_fail+0x22d/0xd01
[  666.508403] 0 pages HighMem/MovableOnly
[  666.511412]  ? zap_class+0x640/0x640
[  666.516927] 342855 pages reserved
[  666.520029]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.523889] 0 pages cma reserved
[  666.527858]  ? __lock_acquire+0x62f/0x4c20
[  666.531613] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  666.534992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.540159] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  666.543434]  ? should_fail+0x22d/0xd01
[  666.547651] syz-fuzzer cpuset=/ mems_allowed=0
[  666.554144]  ? mark_held_locks+0x130/0x130
[  666.582087]  ? mark_held_locks+0x130/0x130
[  666.586322]  ? lock_downgrade+0x900/0x900
[  666.590500]  ? zap_class+0x640/0x640
[  666.594215]  ? zap_class+0x640/0x640
[  666.597935]  ? zap_class+0x640/0x640
[  666.601649]  ? do_raw_spin_unlock+0xa7/0x330
[  666.606061]  ? trace_hardirqs_on+0x310/0x310
[  666.610473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.616015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.621555]  ? check_preemption_disabled+0x48/0x280
[  666.626580]  ? __lock_is_held+0xb5/0x140
[  666.630649]  __alloc_pages_nodemask+0xa80/0xde0
[  666.635318]  ? zap_class+0x640/0x640
[  666.639035]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  666.644067]  ? find_held_lock+0x36/0x1c0
[  666.648142]  ? ____cache_alloc_node+0x1c7/0x1e0
[  666.652811]  ? lock_downgrade+0x900/0x900
[  666.656971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.662527]  cache_grow_begin+0xa5/0x8c0
[  666.666588]  ? do_raw_spin_unlock+0xa7/0x330
[  666.671008]  fallback_alloc+0x204/0x2e0
[  666.674993]  ____cache_alloc_node+0x1c7/0x1e0
[  666.679493]  kmem_cache_alloc_node+0xe3/0x730
[  666.683988]  ? lockdep_hardirqs_on+0x296/0x5b0
[  666.688579]  __alloc_skb+0x119/0x770
[  666.692296]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  666.697665]  ? netdev_alloc_frag+0x1f0/0x1f0
[  666.702084]  ? vprintk_default+0x28/0x30
[  666.706149]  ? vprintk_func+0x85/0x181
[  666.710035]  ? printk+0xa7/0xcf
[  666.713320]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  666.718077]  ? do_raw_spin_trylock+0x270/0x270
[  666.723156]  new_skb+0x26/0x1c0
[  666.726436]  aoecmd_cfg+0x279/0x7f0
[  666.730066]  ? find_held_lock+0x36/0x1c0
[  666.734131]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  666.738465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.744022]  ? __lock_is_held+0xb5/0x140
[  666.748095]  discover_timer+0x50/0x60
[  666.751896]  call_timer_fn+0x272/0x920
[  666.755785]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  666.760629]  ? process_timeout+0x40/0x40
[  666.764698]  ? __run_timers+0x7da/0xc70
[  666.768675]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.773174]  ? _raw_spin_unlock_irq+0x27/0x80
[  666.777666]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  666.782512]  ? lockdep_hardirqs_on+0x296/0x5b0
[  666.787095]  ? trace_hardirqs_on+0xbd/0x310
[  666.791421]  ? kasan_check_read+0x11/0x20
[  666.795565]  ? __run_timers+0x7da/0xc70
[  666.799541]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.804663]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  666.809501]  __run_timers+0x7e5/0xc70
[  666.813316]  ? timer_fixup_init+0x70/0x70
[  666.817465]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  666.822489]  ? zap_class+0x640/0x640
[  666.826206]  ? enqueue_hrtimer+0x1a5/0x560
[  666.830440]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  666.835642]  ? find_held_lock+0x36/0x1c0
[  666.839708]  ? zap_class+0x640/0x640
[  666.843426]  ? pvclock_read_flags+0x160/0x160
[  666.847928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.853677]  ? check_preemption_disabled+0x48/0x280
[  666.858702]  ? __lock_is_held+0xb5/0x140
[  666.862768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.868307]  ? check_preemption_disabled+0x48/0x280
[  666.873328]  run_timer_softirq+0x52/0xb0
[  666.877391]  ? rcu_read_lock_sched_held+0x14f/0x180
[  666.882408]  __do_softirq+0x308/0xb7e
[  666.886216]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  666.890725]  ? lock_downgrade+0x900/0x900
[  666.894877]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  666.899986]  ? pvclock_read_flags+0x160/0x160
[  666.904485]  ? lapic_next_event+0x5a/0x90
[  666.908636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.914176]  ? kvm_clock_read+0x18/0x30
[  666.918152]  ? kvm_sched_clock_read+0x9/0x20
[  666.922562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.928099]  ? check_preemption_disabled+0x48/0x280
[  666.933129]  irq_exit+0x17f/0x1c0
[  666.936583]  smp_apic_timer_interrupt+0x1cb/0x760
[  666.941423]  ? smp_call_function_single_interrupt+0x159/0x650
[  666.947312]  ? smp_call_function_single_interrupt+0x650/0x650
[  666.953197]  ? interrupt_entry+0xb5/0xc0
[  666.957274]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.962293]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.967314]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.972156]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.977173]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.982192]  ? task_prio+0x50/0x50
[  666.985735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.991284]  ? check_preemption_disabled+0x48/0x280
[  666.996305]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.001156]  apic_timer_interrupt+0xf/0x20
[  667.005381]  </IRQ>
[  667.007621] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  667.012552] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  667.031455] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  667.039160] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  667.046427] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  667.053691] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  667.060960] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  667.068224] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  667.075560]  skb_clone+0x1bb/0x500
[  667.079105]  ? finish_task_switch+0x2f4/0x910
[  667.083601]  ? skb_split+0x11e0/0x11e0
[  667.087490]  ? preempt_notifier_register+0x200/0x200
[  667.092595]  ? __switch_to_asm+0x34/0x70
[  667.096659]  ? __switch_to_asm+0x34/0x70
[  667.100723]  ? __switch_to_asm+0x40/0x70
[  667.104787]  ? __switch_to_asm+0x34/0x70
[  667.108850]  ? __switch_to_asm+0x40/0x70
[  667.112909]  ? __switch_to_asm+0x34/0x70
[  667.116970]  ? __switch_to_asm+0x40/0x70
[  667.121032]  ? __switch_to_asm+0x34/0x70
[  667.125097]  ? __switch_to_asm+0x34/0x70
[  667.129190]  ? __switch_to_asm+0x40/0x70
[  667.133255]  ? __switch_to_asm+0x34/0x70
[  667.137334]  bpf_clone_redirect+0xb9/0x490
[  667.141570]  ? __schedule+0x8d7/0x21d0
[  667.145467]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  667.150487]  ? __sched_text_start+0x8/0x8
[  667.154641]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  667.159225]  ? retint_kernel+0x2d/0x2d
[  667.163129]  ? trace_hardirqs_on_caller+0xc0/0x310
[  667.168061]  ? find_held_lock+0x36/0x1c0
[  667.172133]  ? lock_acquire+0x1ed/0x520
[  667.176107]  ? bpf_test_run+0x3cb/0x780
[  667.180101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.185640]  ? check_preemption_disabled+0x48/0x280
[  667.190665]  ? kasan_check_read+0x11/0x20
[  667.194813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.200091]  ? rcu_softirq_qs+0x20/0x20
[  667.204065]  ? preempt_schedule+0x4d/0x60
[  667.208214]  ? ___preempt_schedule+0x16/0x18
[  667.212637]  ? bpf_test_run+0x25d/0x780
[  667.216621]  ? netlink_diag_dump+0x2a0/0x2a0
[  667.221034]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.226569]  ? bpf_test_init.isra.10+0x70/0x100
[  667.231244]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  667.236023]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.240864]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  667.246399]  ? fput+0x130/0x1a0
[  667.249680]  ? __bpf_prog_get+0x9b/0x290
[  667.253742]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.258584]  ? bpf_prog_test_run+0x130/0x1a0
[  667.262994]  ? __x64_sys_bpf+0x3d8/0x520
[  667.267055]  ? bpf_prog_get+0x20/0x20
[  667.270877]  ? do_syscall_64+0x1b9/0x820
[  667.274937]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  667.280305]  ? syscall_return_slowpath+0x5e0/0x5e0
[  667.285238]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.290282]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  667.295300]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  667.301972]  ? __switch_to_asm+0x40/0x70
[  667.306033]  ? __switch_to_asm+0x34/0x70
[  667.310104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.314959]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  667.320343] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  667.320427] aoe: skb alloc failure
[  667.326923] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  667.326928] Call Trace:
[  667.326935]  <IRQ>
[  667.326953]  dump_stack+0x244/0x39d
[  667.326973]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.330526] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  667.339859]  warn_alloc.cold.116+0xb7/0x1bd
[  667.342408] syz-executor3 cpuset=syz3 mems_allowed=0
[  667.344554]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  667.378022]  ? lock_downgrade+0x900/0x900
[  667.382177]  ? trace_hardirqs_off+0xb8/0x310
[  667.386592]  ? trace_hardirqs_off+0xb8/0x310
[  667.391013]  __alloc_pages_slowpath+0x26e8/0x2e10
[  667.395887]  ? warn_alloc+0x120/0x120
[  667.399692]  ? print_usage_bug+0xc0/0xc0
[  667.403753]  ? warn_alloc+0x120/0x120
[  667.407566]  ? warn_alloc+0x120/0x120
[  667.411369]  ? print_usage_bug+0xc0/0xc0
[  667.415429]  ? kvm_clock_read+0x18/0x30
[  667.419403]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  667.424419]  ? print_usage_bug+0xc0/0xc0
[  667.428480]  ? __lock_acquire+0x62f/0x4c20
[  667.432721]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.438267]  ? should_fail+0x22d/0xd01
[  667.442158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.447439]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.452545]  ? __lock_acquire+0x62f/0x4c20
[  667.456791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.461898]  ? __lock_acquire+0x62f/0x4c20
[  667.466160]  ? should_fail+0x22d/0xd01
[  667.470046]  ? rcu_irq_exit+0x1a2/0x390
[  667.474061]  ? mark_held_locks+0x130/0x130
[  667.478303]  ? mark_held_locks+0x130/0x130
[  667.482543]  ? mark_held_locks+0xc7/0x130
[  667.486692]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  667.491711]  ? zap_class+0x640/0x640
[  667.495426]  ? print_usage_bug+0xc0/0xc0
[  667.499497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.505035]  ? check_preemption_disabled+0x48/0x280
[  667.510064]  ? __lock_is_held+0xb5/0x140
[  667.514137]  __alloc_pages_nodemask+0xa80/0xde0
[  667.518805]  ? zap_class+0x640/0x640
[  667.522526]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  667.527556]  ? find_held_lock+0x36/0x1c0
[  667.531628]  ? ____cache_alloc_node+0x1c7/0x1e0
[  667.536300]  ? lock_downgrade+0x900/0x900
[  667.540456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.546009]  cache_grow_begin+0xa5/0x8c0
[  667.550069]  ? do_raw_spin_unlock+0xa7/0x330
[  667.554489]  fallback_alloc+0x204/0x2e0
[  667.558470]  ____cache_alloc_node+0x1c7/0x1e0
[  667.562973]  kmem_cache_alloc_node+0xe3/0x730
[  667.567472]  ? ipv6_get_ifaddr+0x42e/0x620
[  667.571720]  __alloc_skb+0x119/0x770
[  667.575435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.580715]  ? netdev_alloc_frag+0x1f0/0x1f0
[  667.585123]  ? lock_downgrade+0x900/0x900
[  667.589288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.594832]  ? refcount_sub_and_test_checked+0x203/0x310
[  667.600287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  667.605748]  ? addrconf_rs_timer+0x690/0x690
[  667.610177]  ndisc_alloc_skb+0x144/0x340
[  667.614255]  ndisc_send_rs+0x331/0x6e0
[  667.618151]  addrconf_rs_timer+0x314/0x690
[  667.622391]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.626643]  call_timer_fn+0x272/0x920
[  667.630529]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.634771]  ? process_timeout+0x40/0x40
[  667.638845]  ? mark_held_locks+0xc7/0x130
[  667.643002]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.647498]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.651990]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.656224]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.660816]  ? trace_hardirqs_on+0xbd/0x310
[  667.665139]  ? kasan_check_read+0x11/0x20
[  667.669290]  ? __run_timers+0x7da/0xc70
[  667.673273]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.678386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.682630]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.686868]  __run_timers+0x7e5/0xc70
[  667.690685]  ? timer_fixup_init+0x70/0x70
[  667.694837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  667.699856]  ? zap_class+0x640/0x640
[  667.703580]  ? print_usage_bug+0xc0/0xc0
[  667.707643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  667.712845]  ? find_held_lock+0x36/0x1c0
[  667.716917]  ? zap_class+0x640/0x640
[  667.720642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.726537]  ? check_preemption_disabled+0x48/0x280
[  667.731566]  ? __lock_is_held+0xb5/0x140
[  667.735631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.741169]  ? check_preemption_disabled+0x48/0x280
[  667.746195]  run_timer_softirq+0x52/0xb0
[  667.750275]  ? rcu_read_lock_sched_held+0x14f/0x180
[  667.755296]  __do_softirq+0x308/0xb7e
[  667.759107]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.763610]  ? lock_downgrade+0x900/0x900
[  667.767777]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  667.772891]  ? pvclock_read_flags+0x160/0x160
[  667.777389]  ? lapic_next_event+0x5a/0x90
[  667.781542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.787086]  ? kvm_clock_read+0x18/0x30
[  667.791064]  ? kvm_sched_clock_read+0x9/0x20
[  667.795485]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.801029]  ? check_preemption_disabled+0x48/0x280
[  667.806058]  irq_exit+0x17f/0x1c0
[  667.809514]  smp_apic_timer_interrupt+0x1cb/0x760
[  667.814358]  ? smp_reschedule_interrupt+0x109/0x650
[  667.819376]  ? smp_call_function_single_interrupt+0x650/0x650
[  667.825272]  ? interrupt_entry+0xb5/0xc0
[  667.829339]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.834358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.839383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.844229]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.849260]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.854284]  ? task_prio+0x50/0x50
[  667.857832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.863372]  ? check_preemption_disabled+0x48/0x280
[  667.868398]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.873258]  apic_timer_interrupt+0xf/0x20
[  667.877486]  </IRQ>
[  667.879726] RIP: 0010:dump_stack+0x358/0x39d
[  667.884143] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  667.903048] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  667.910756] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  667.918030] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  667.925302] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  667.932569] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  667.939840] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  667.947137]  ? dump_stack+0x34f/0x39d
[  667.950957]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.956158]  ? mark_held_locks+0x130/0x130
[  667.960397]  ? mark_held_locks+0x130/0x130
[  667.964641]  dump_header+0x27b/0xf72
[  667.968368]  ? pagefault_out_of_memory+0x197/0x197
[  667.973312]  ? __lock_acquire+0x62f/0x4c20
[  667.977548]  ? percpu_ref_get_many+0x240/0x240
[  667.982138]  ? print_usage_bug+0xc0/0xc0
[  667.986208]  ? zap_class+0x640/0x640
[  667.989925]  ? print_usage_bug+0xc0/0xc0
[  667.993988]  ? print_usage_bug+0xc0/0xc0
[  667.998050]  ? zap_class+0x640/0x640
[  668.001774]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.007322]  ? find_held_lock+0x36/0x1c0
[  668.011397]  ? mark_held_locks+0xc7/0x130
[  668.015551]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.020653]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.025766]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  668.030357]  ? trace_hardirqs_on+0xbd/0x310
[  668.034683]  ? kasan_check_read+0x11/0x20
[  668.038829]  ? ___ratelimit+0x3b4/0x672
[  668.042806]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.047910]  ? trace_hardirqs_on+0x310/0x310
[  668.052324]  ? lock_downgrade+0x900/0x900
[  668.056482]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  668.061583]  ? ___ratelimit+0x3b9/0x672
[  668.065559]  ? idr_get_free+0xf70/0xf70
[  668.069537]  ? find_held_lock+0x36/0x1c0
[  668.073614]  oom_kill_process.cold.27+0x10/0x903
[  668.078374]  ? zap_class+0x640/0x640
[  668.082093]  ? check_preemption_disabled+0x48/0x280
[  668.087114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.092048]  ? kasan_check_read+0x11/0x20
[  668.096196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.101477]  ? oom_evaluate_task+0x540/0x540
[  668.105893]  ? find_held_lock+0x36/0x1c0
[  668.109964]  ? out_of_memory+0x974/0x1430
[  668.114114]  ? lock_downgrade+0x900/0x900
[  668.118273]  ? check_preemption_disabled+0x48/0x280
[  668.123296]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.128230]  ? kasan_check_read+0x11/0x20
[  668.132386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.137662]  ? rcu_softirq_qs+0x20/0x20
[  668.141647]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.147180]  ? oom_evaluate_task+0x302/0x540
[  668.151594]  out_of_memory+0xa84/0x1430
[  668.155579]  ? oom_killer_disable+0x3a0/0x3a0
[  668.160077]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  668.165014]  ? __ww_mutex_check_waiters+0x160/0x160
[  668.170043]  __alloc_pages_slowpath+0x2354/0x2e10
[  668.174925]  ? warn_alloc+0x120/0x120
[  668.178726]  ? mark_held_locks+0x130/0x130
[  668.182976]  ? find_get_entry+0xaae/0x1120
[  668.187220]  ? filemap_map_pages+0x1a20/0x1a20
[  668.191815]  ? zap_class+0x640/0x640
[  668.195537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.201074]  ? check_preemption_disabled+0x48/0x280
[  668.206095]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.211635]  ? should_fail+0x22d/0xd01
[  668.215529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.220633]  ? zap_class+0x640/0x640
[  668.224378]  ? __lock_is_held+0xb5/0x140
[  668.228452]  ? mark_held_locks+0x130/0x130
[  668.232693]  ? lock_release+0xa00/0xa00
[  668.236669]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.242121]  ? xa_load+0x2ba/0x460
[  668.245666]  ? lock_downgrade+0x900/0x900
[  668.249823]  ? __might_sleep+0x95/0x190
[  668.253810]  __alloc_pages_nodemask+0xa80/0xde0
[  668.258486]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  668.263506]  ? __page_cache_alloc+0x191/0x5c0
[  668.267998]  ? xa_load+0x2e1/0x460
[  668.271541]  ? xa_clear_mark+0x40/0x40
[  668.275430]  ? zap_class+0x640/0x640
[  668.279154]  ? zap_class+0x640/0x640
[  668.282865]  ? zap_class+0x640/0x640
[  668.286579]  ? __do_page_cache_readahead+0x663/0x810
[  668.291688]  ? find_held_lock+0x36/0x1c0
[  668.295764]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  668.301307]  alloc_pages_current+0x173/0x350
[  668.305724]  __page_cache_alloc+0x38c/0x5c0
[  668.310047]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.314978]  ? kasan_check_read+0x11/0x20
[  668.319129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.324409]  ? generic_perform_write+0x6a0/0x6a0
[  668.329168]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.334709]  ? check_preemption_disabled+0x48/0x280
[  668.339737]  filemap_fault+0x1595/0x25f0
[  668.343817]  ? __lock_page_or_retry+0xa00/0xa00
[  668.348492]  ? mark_held_locks+0x130/0x130
[  668.352738]  ? filemap_map_pages+0xd6b/0x1a20
[  668.357242]  ? lock_downgrade+0x900/0x900
[  668.361400]  ? check_preemption_disabled+0x48/0x280
[  668.366418]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.371349]  ? kasan_check_read+0x11/0x20
[  668.375496]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.380775]  ? rcu_softirq_qs+0x20/0x20
[  668.384774]  ? filemap_map_pages+0xd92/0x1a20
[  668.389279]  ? print_usage_bug+0xc0/0xc0
[  668.393350]  ? find_get_entries_tag+0x1400/0x1400
[  668.398191]  ? __kasan_slab_free+0x102/0x150
[  668.402600]  ? kasan_slab_free+0xe/0x10
[  668.406575]  ? kmem_cache_free+0x83/0x290
[  668.410722]  ? __sigqueue_free.part.29+0x74/0x90
[  668.415499]  ? lock_acquire+0x1ed/0x520
[  668.419471]  ? ext4_filemap_fault+0x7a/0xad
[  668.423800]  ? lock_release+0xa00/0xa00
[  668.427779]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.433231]  ? print_usage_bug+0xc0/0xc0
[  668.437303]  ? print_usage_bug+0xc0/0xc0
[  668.441379]  ? down_read+0x8d/0x120
[  668.445006]  ? ext4_filemap_fault+0x7a/0xad
[  668.449327]  ? __down_interruptible+0x700/0x700
[  668.454007]  ext4_filemap_fault+0x82/0xad
[  668.458162]  __do_fault+0x100/0x6b0
[  668.461797]  ? pmd_devmap_trans_unstable+0x220/0x220
[  668.466905]  ? mark_held_locks+0x130/0x130
[  668.471143]  ? mark_held_locks+0x130/0x130
[  668.475383]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  668.480921]  ? rcu_pm_notify+0xc0/0xc0
[  668.484820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.490365]  __handle_mm_fault+0x3ea6/0x5be0
[  668.494791]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  668.499637]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.504140]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  668.508727]  ? trace_hardirqs_on+0xbd/0x310
[  668.513052]  ? kasan_check_read+0x11/0x20
[  668.517198]  ? __set_current_blocked+0xdf/0x120
[  668.521871]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.526999]  ? zap_class+0x640/0x640
[  668.530711]  ? zap_class+0x640/0x640
[  668.534431]  ? find_held_lock+0x36/0x1c0
[  668.538509]  ? handle_mm_fault+0x42a/0xc70
[  668.542745]  ? lock_downgrade+0x900/0x900
[  668.546903]  ? check_preemption_disabled+0x48/0x280
[  668.551922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.556855]  ? kasan_check_read+0x11/0x20
[  668.561002]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.566287]  ? rcu_softirq_qs+0x20/0x20
[  668.570273]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.575377]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.580915]  ? check_preemption_disabled+0x48/0x280
[  668.585941]  handle_mm_fault+0x54f/0xc70
[  668.590007]  ? __handle_mm_fault+0x5be0/0x5be0
[  668.594600]  ? find_vma+0x34/0x190
[  668.598149]  __do_page_fault+0x5e8/0xe60
[  668.602211]  ? exit_to_usermode_loop+0x1f4/0x380
[  668.606977]  do_page_fault+0xf2/0x7e0
[  668.610784]  ? vmalloc_sync_all+0x30/0x30
[  668.614937]  ? error_entry+0x70/0xd0
[  668.618657]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.623671]  ? trace_hardirqs_on_caller+0xc0/0x310
[  668.628602]  ? syscall_return_slowpath+0x5e0/0x5e0
[  668.633533]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.638383]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.643405]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  668.648866]  ? prepare_exit_to_usermode+0x291/0x3b0
[  668.653882]  ? page_fault+0x8/0x30
[  668.657431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.662296]  ? page_fault+0x8/0x30
[  668.665842]  page_fault+0x1e/0x30
[  668.669295] RIP: 0033:0x45db60
[  668.672503] Code: Bad RIP value.
[  668.675866] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  668.681224] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  668.688498] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  668.695766] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  668.703036] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  668.710306] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  668.717602] warn_alloc_show_mem: 1 callbacks suppressed
[  668.717615] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  668.717616] Mem-Info:
[  668.717647] active_anon:45842 inactive_anon:131 isolated_anon:0
[  668.717647]  active_file:10 inactive_file:14 isolated_file:0
[  668.717647]  unevictable:0 dirty:0 writeback:0 unstable:0
[  668.717647]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  668.717647]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  668.717647]  free:13767 free_pcp:218 free_cma:0
[  668.722988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  668.729915] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  668.732312] Call Trace:
[  668.765183] 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
[  668.774532]  <IRQ>
[  668.802013] lowmem_reserve[]: 0 2818 6321 6321
[  668.804598]  dump_stack+0x244/0x39d
[  668.830683] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  668.832838]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.837378] lowmem_reserve[]: 0 0 3503 3503
[  668.841014]  warn_alloc.cold.116+0xb7/0x1bd
[  668.868505] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  668.873695]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  668.877989] lowmem_reserve[]: 0 0 0 0
[  668.882309]  ? lock_downgrade+0x900/0x900
[  668.911278] 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
[  668.916127]  ? trace_hardirqs_off+0xb8/0x310
[  668.919888] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  668.924036]  ? trace_hardirqs_off+0xb8/0x310
[  668.937529] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  668.941940]  __alloc_pages_slowpath+0x26e8/0x2e10
[  668.957175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  668.961598]  ? warn_alloc+0x120/0x120
[  668.976377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  668.981237]  ? warn_alloc+0x120/0x120
[  668.990053] 162 total pagecache pages
[  668.993847]  ? __lock_acquire+0x62f/0x4c20
[  669.002404] 0 pages in swap cache
[  669.006190]  ? warn_alloc+0x120/0x120
[  669.009972] Swap cache stats: add 0, delete 0, find 0/0
[  669.014196]  ? print_usage_bug+0xc0/0xc0
[  669.017626] Free swap  = 0kB
[  669.021423]  ? print_usage_bug+0xc0/0xc0
[  669.026763] Total swap = 0kB
[  669.030810]  ? mark_held_locks+0x130/0x130
[  669.033807] 1965979 pages RAM
[  669.037861]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.040850] 0 pages HighMem/MovableOnly
[  669.045082]  ? should_fail+0x22d/0xd01
[  669.048158] 342855 pages reserved
[  669.053689]  ? zap_class+0x640/0x640
[  669.057635] 0 pages cma reserved
[  669.061513]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.065001] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  669.068646]  ? __lock_acquire+0x62f/0x4c20
[  669.068664]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.068679]  ? should_fail+0x22d/0xd01
[  669.072085] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.077134]  ? mark_held_locks+0x130/0x130
[  669.083594] syz-fuzzer cpuset=/ mems_allowed=0
[  669.087821]  ? mark_held_locks+0x130/0x130
[  669.119985]  ? lock_downgrade+0x900/0x900
[  669.124135]  ? zap_class+0x640/0x640
[  669.127850]  ? zap_class+0x640/0x640
[  669.131565]  ? zap_class+0x640/0x640
[  669.135285]  ? do_raw_spin_unlock+0xa7/0x330
[  669.139701]  ? trace_hardirqs_on+0x310/0x310
[  669.144111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.149652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.155195]  ? check_preemption_disabled+0x48/0x280
[  669.160221]  ? __lock_is_held+0xb5/0x140
[  669.164306]  __alloc_pages_nodemask+0xa80/0xde0
[  669.168976]  ? zap_class+0x640/0x640
[  669.172698]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  669.177727]  ? find_held_lock+0x36/0x1c0
[  669.181801]  ? ____cache_alloc_node+0x1c7/0x1e0
[  669.186475]  ? lock_downgrade+0x900/0x900
[  669.190631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.196171]  cache_grow_begin+0xa5/0x8c0
[  669.200231]  ? do_raw_spin_unlock+0xa7/0x330
[  669.204661]  fallback_alloc+0x204/0x2e0
[  669.208648]  ____cache_alloc_node+0x1c7/0x1e0
[  669.213147]  kmem_cache_alloc_node+0xe3/0x730
[  669.217647]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.222238]  __alloc_skb+0x119/0x770
[  669.225963]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  669.231329]  ? netdev_alloc_frag+0x1f0/0x1f0
[  669.235743]  ? vprintk_default+0x28/0x30
[  669.239809]  ? vprintk_func+0x85/0x181
[  669.243700]  ? printk+0xa7/0xcf
[  669.246979]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  669.251740]  ? do_raw_spin_trylock+0x270/0x270
[  669.256327]  new_skb+0x26/0x1c0
[  669.259607]  aoecmd_cfg+0x279/0x7f0
[  669.263235]  ? find_held_lock+0x36/0x1c0
[  669.267315]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  669.271647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.277197]  ? __lock_is_held+0xb5/0x140
[  669.281283]  discover_timer+0x50/0x60
[  669.285088]  call_timer_fn+0x272/0x920
[  669.288972]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.293817]  ? process_timeout+0x40/0x40
[  669.297884]  ? __run_timers+0x7da/0xc70
[  669.301867]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.306362]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.310857]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.315704]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.320292]  ? trace_hardirqs_on+0xbd/0x310
[  669.324614]  ? kasan_check_read+0x11/0x20
[  669.328758]  ? __run_timers+0x7da/0xc70
[  669.332732]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.337853]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.342694]  __run_timers+0x7e5/0xc70
[  669.346505]  ? timer_fixup_init+0x70/0x70
[  669.350657]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  669.355673]  ? zap_class+0x640/0x640
[  669.359395]  ? enqueue_hrtimer+0x1a5/0x560
[  669.363632]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  669.368831]  ? find_held_lock+0x36/0x1c0
[  669.372900]  ? zap_class+0x640/0x640
[  669.376620]  ? pvclock_read_flags+0x160/0x160
[  669.381120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.386659]  ? check_preemption_disabled+0x48/0x280
[  669.391689]  ? __lock_is_held+0xb5/0x140
[  669.395755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.401303]  ? check_preemption_disabled+0x48/0x280
[  669.406331]  run_timer_softirq+0x52/0xb0
[  669.410390]  ? rcu_read_lock_sched_held+0x14f/0x180
[  669.415412]  __do_softirq+0x308/0xb7e
[  669.419220]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  669.423723]  ? lock_downgrade+0x900/0x900
[  669.427875]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  669.432985]  ? pvclock_read_flags+0x160/0x160
[  669.437483]  ? lapic_next_event+0x5a/0x90
[  669.441635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.447176]  ? kvm_clock_read+0x18/0x30
[  669.451152]  ? kvm_sched_clock_read+0x9/0x20
[  669.455561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.461103]  ? check_preemption_disabled+0x48/0x280
[  669.466128]  irq_exit+0x17f/0x1c0
[  669.469580]  smp_apic_timer_interrupt+0x1cb/0x760
[  669.474421]  ? smp_call_function_single_interrupt+0x159/0x650
[  669.480307]  ? smp_call_function_single_interrupt+0x650/0x650
[  669.486210]  ? interrupt_entry+0xb5/0xc0
[  669.490287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.495302]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.500321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.505165]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.510179]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.515194]  ? task_prio+0x50/0x50
[  669.518741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.524289]  ? check_preemption_disabled+0x48/0x280
[  669.529318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.534175]  apic_timer_interrupt+0xf/0x20
[  669.538402]  </IRQ>
[  669.540640] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  669.545574] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  669.564470] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  669.572178] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  669.579442] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  669.586710] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  669.593975] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  669.601240] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  669.608568]  skb_clone+0x1bb/0x500
[  669.612107]  ? finish_task_switch+0x2f4/0x910
[  669.616605]  ? skb_split+0x11e0/0x11e0
[  669.620493]  ? preempt_notifier_register+0x200/0x200
[  669.625600]  ? __switch_to_asm+0x34/0x70
[  669.629665]  ? __switch_to_asm+0x34/0x70
[  669.633722]  ? __switch_to_asm+0x40/0x70
[  669.637785]  ? __switch_to_asm+0x34/0x70
[  669.641845]  ? __switch_to_asm+0x40/0x70
[  669.645906]  ? __switch_to_asm+0x34/0x70
[  669.649969]  ? __switch_to_asm+0x40/0x70
[  669.654028]  ? __switch_to_asm+0x34/0x70
[  669.658087]  ? __switch_to_asm+0x34/0x70
[  669.662148]  ? __switch_to_asm+0x40/0x70
[  669.666212]  ? __switch_to_asm+0x34/0x70
[  669.670293]  bpf_clone_redirect+0xb9/0x490
[  669.674537]  ? __schedule+0x8d7/0x21d0
[  669.678432]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  669.683452]  ? __sched_text_start+0x8/0x8
[  669.687605]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  669.692188]  ? retint_kernel+0x2d/0x2d
[  669.696075]  ? trace_hardirqs_on_caller+0xc0/0x310
[  669.701012]  ? find_held_lock+0x36/0x1c0
[  669.705084]  ? lock_acquire+0x1ed/0x520
[  669.709058]  ? bpf_test_run+0x3cb/0x780
[  669.713033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.718575]  ? check_preemption_disabled+0x48/0x280
[  669.725139]  ? kasan_check_read+0x11/0x20
[  669.729294]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  669.734573]  ? rcu_softirq_qs+0x20/0x20
[  669.738553]  ? preempt_schedule+0x4d/0x60
[  669.742706]  ? ___preempt_schedule+0x16/0x18
[  669.747131]  ? bpf_test_run+0x25d/0x780
[  669.751117]  ? netlink_diag_dump+0x2a0/0x2a0
[  669.755540]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.761080]  ? bpf_test_init.isra.10+0x70/0x100
[  669.765755]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  669.770521]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  669.775367]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  669.780905]  ? fput+0x130/0x1a0
[  669.784188]  ? __bpf_prog_get+0x9b/0x290
[  669.788266]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  669.793199]  ? bpf_prog_test_run+0x130/0x1a0
[  669.797613]  ? __x64_sys_bpf+0x3d8/0x520
[  669.801675]  ? bpf_prog_get+0x20/0x20
[  669.805497]  ? do_syscall_64+0x1b9/0x820
[  669.809561]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  669.814927]  ? syscall_return_slowpath+0x5e0/0x5e0
[  669.819867]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.824888]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  669.829906]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  669.836577]  ? __switch_to_asm+0x40/0x70
[  669.840637]  ? __switch_to_asm+0x34/0x70
[  669.844706]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.850491]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  669.855875] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  669.855999] aoe: skb alloc failure
[  669.862456] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  669.862465] Call Trace:
[  669.866051] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.875335]  <IRQ>
[  669.877909] syz-executor3 cpuset=syz3 mems_allowed=0
[  669.888391]  dump_stack+0x244/0x39d
[  669.899230]  ? dump_stack_print_info.cold.1+0x20/0x20
[  669.904444]  warn_alloc.cold.116+0xb7/0x1bd
[  669.908801]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  669.913667]  ? lock_downgrade+0x900/0x900
[  669.917824]  ? trace_hardirqs_off+0xb8/0x310
[  669.922241]  ? trace_hardirqs_off+0xb8/0x310
[  669.926674]  __alloc_pages_slowpath+0x26e8/0x2e10
[  669.931556]  ? warn_alloc+0x120/0x120
[  669.935370]  ? print_usage_bug+0xc0/0xc0
[  669.939432]  ? warn_alloc+0x120/0x120
[  669.943237]  ? warn_alloc+0x120/0x120
[  669.947055]  ? print_usage_bug+0xc0/0xc0
[  669.951127]  ? print_usage_bug+0xc0/0xc0
[  669.955196]  ? __lock_acquire+0x62f/0x4c20
[  669.959441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.964977]  ? should_fail+0x22d/0xd01
[  669.968867]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.973975]  ? __lock_acquire+0x62f/0x4c20
[  669.978214]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.983338]  ? __lock_acquire+0x62f/0x4c20
[  669.987574]  ? should_fail+0x22d/0xd01
[  669.991463]  ? find_held_lock+0x36/0x1c0
[  669.995535]  ? mark_held_locks+0x130/0x130
[  669.999781]  ? mark_held_locks+0x130/0x130
[  670.004018]  ? zap_class+0x640/0x640
[  670.007783]  ? zap_class+0x640/0x640
[  670.011503]  ? print_usage_bug+0xc0/0xc0
[  670.015561]  ? do_raw_spin_unlock+0xa7/0x330
[  670.019974]  ? zap_class+0x640/0x640
[  670.023689]  ? print_usage_bug+0xc0/0xc0
[  670.027754]  ? wq_watchdog_touch+0x9c/0xfe
[  670.032002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.037543]  ? check_preemption_disabled+0x48/0x280
[  670.042573]  ? __lock_is_held+0xb5/0x140
[  670.046644]  __alloc_pages_nodemask+0xa80/0xde0
[  670.051318]  ? zap_class+0x640/0x640
[  670.055040]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  670.060067]  ? find_held_lock+0x36/0x1c0
[  670.064141]  ? ____cache_alloc_node+0x1c7/0x1e0
[  670.068814]  ? lock_downgrade+0x900/0x900
[  670.072973]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.078515]  cache_grow_begin+0xa5/0x8c0
[  670.082580]  ? do_raw_spin_unlock+0xa7/0x330
[  670.087001]  fallback_alloc+0x204/0x2e0
[  670.090989]  ____cache_alloc_node+0x1c7/0x1e0
[  670.095495]  kmem_cache_alloc_node+0xe3/0x730
[  670.099990]  ? ipv6_get_ifaddr+0x42e/0x620
[  670.104237]  __alloc_skb+0x119/0x770
[  670.107962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.113248]  ? netdev_alloc_frag+0x1f0/0x1f0
[  670.117668]  ? lock_downgrade+0x900/0x900
[  670.121828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.127368]  ? refcount_sub_and_test_checked+0x203/0x310
[  670.132821]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  670.138279]  ? addrconf_rs_timer+0x690/0x690
[  670.142705]  ndisc_alloc_skb+0x144/0x340
[  670.146780]  ndisc_send_rs+0x331/0x6e0
[  670.150677]  addrconf_rs_timer+0x314/0x690
[  670.154916]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.159164]  call_timer_fn+0x272/0x920
[  670.163051]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.167284]  ? process_timeout+0x40/0x40
[  670.171369]  ? mark_held_locks+0xc7/0x130
[  670.175521]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.180018]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.184511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.188747]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.193338]  ? trace_hardirqs_on+0xbd/0x310
[  670.197658]  ? kasan_check_read+0x11/0x20
[  670.201805]  ? __run_timers+0x7da/0xc70
[  670.205784]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.210890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.215128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.219366]  __run_timers+0x7e5/0xc70
[  670.223179]  ? timer_fixup_init+0x70/0x70
[  670.227334]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  670.232355]  ? zap_class+0x640/0x640
[  670.236075]  ? print_usage_bug+0xc0/0xc0
[  670.240137]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  670.245334]  ? find_held_lock+0x36/0x1c0
[  670.249404]  ? zap_class+0x640/0x640
[  670.253128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.258669]  ? check_preemption_disabled+0x48/0x280
[  670.263698]  ? __lock_is_held+0xb5/0x140
[  670.267766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.273303]  ? check_preemption_disabled+0x48/0x280
[  670.278326]  run_timer_softirq+0x52/0xb0
[  670.282392]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.287409]  __do_softirq+0x308/0xb7e
[  670.291213]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.295707]  ? lock_downgrade+0x900/0x900
[  670.299863]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.304974]  ? pvclock_read_flags+0x160/0x160
[  670.309474]  ? lapic_next_event+0x5a/0x90
[  670.313630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.319172]  ? kvm_clock_read+0x18/0x30
[  670.323147]  ? kvm_sched_clock_read+0x9/0x20
[  670.327561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.333098]  ? check_preemption_disabled+0x48/0x280
[  670.338129]  irq_exit+0x17f/0x1c0
[  670.341585]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.346427]  ? smp_reschedule_interrupt+0x109/0x650
[  670.351445]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.357336]  ? interrupt_entry+0xb5/0xc0
[  670.361403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.366421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.371438]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.376285]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.381305]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.386327]  ? task_prio+0x50/0x50
[  670.389873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.395411]  ? check_preemption_disabled+0x48/0x280
[  670.400439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.405301]  apic_timer_interrupt+0xf/0x20
[  670.409528]  </IRQ>
[  670.411775] RIP: 0010:dump_stack+0x358/0x39d
[  670.416190] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  670.435095] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  670.442807] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  670.450075] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  670.457360] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  670.464626] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  670.471897] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  670.479190]  ? dump_stack+0x34f/0x39d
[  670.483011]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.488203]  ? mark_held_locks+0x130/0x130
[  670.492446]  ? mark_held_locks+0x130/0x130
[  670.496689]  dump_header+0x27b/0xf72
[  670.500415]  ? pagefault_out_of_memory+0x197/0x197
[  670.505354]  ? __lock_acquire+0x62f/0x4c20
[  670.509590]  ? percpu_ref_get_many+0x240/0x240
[  670.514173]  ? print_usage_bug+0xc0/0xc0
[  670.518240]  ? zap_class+0x640/0x640
[  670.521969]  ? print_usage_bug+0xc0/0xc0
[  670.526030]  ? print_usage_bug+0xc0/0xc0
[  670.530095]  ? zap_class+0x640/0x640
[  670.533814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.539359]  ? find_held_lock+0x36/0x1c0
[  670.543435]  ? mark_held_locks+0xc7/0x130
[  670.547590]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.552695]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.557804]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  670.562395]  ? trace_hardirqs_on+0xbd/0x310
[  670.566718]  ? kasan_check_read+0x11/0x20
[  670.570868]  ? ___ratelimit+0x3b4/0x672
[  670.574849]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.579953]  ? trace_hardirqs_on+0x310/0x310
[  670.584364]  ? lock_downgrade+0x900/0x900
[  670.588522]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  670.593623]  ? ___ratelimit+0x3b9/0x672
[  670.597600]  ? idr_get_free+0xf70/0xf70
[  670.601579]  ? find_held_lock+0x36/0x1c0
[  670.605653]  oom_kill_process.cold.27+0x10/0x903
[  670.610414]  ? zap_class+0x640/0x640
[  670.614128]  ? check_preemption_disabled+0x48/0x280
[  670.619147]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.624079]  ? kasan_check_read+0x11/0x20
[  670.628229]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.633515]  ? oom_evaluate_task+0x540/0x540
[  670.637926]  ? find_held_lock+0x36/0x1c0
[  670.641999]  ? out_of_memory+0x974/0x1430
[  670.646154]  ? lock_downgrade+0x900/0x900
[  670.650305]  ? check_preemption_disabled+0x48/0x280
[  670.655330]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.660266]  ? kasan_check_read+0x11/0x20
[  670.664414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.669689]  ? rcu_softirq_qs+0x20/0x20
[  670.673673]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.679212]  ? oom_evaluate_task+0x302/0x540
[  670.683627]  out_of_memory+0xa84/0x1430
[  670.687614]  ? oom_killer_disable+0x3a0/0x3a0
[  670.692115]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  670.697048]  ? __ww_mutex_check_waiters+0x160/0x160
[  670.702081]  __alloc_pages_slowpath+0x2354/0x2e10
[  670.706960]  ? warn_alloc+0x120/0x120
[  670.710765]  ? mark_held_locks+0x130/0x130
[  670.715012]  ? find_get_entry+0xaae/0x1120
[  670.719268]  ? filemap_map_pages+0x1a20/0x1a20
[  670.723860]  ? zap_class+0x640/0x640
[  670.727581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.733208]  ? check_preemption_disabled+0x48/0x280
[  670.738224]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.743776]  ? should_fail+0x22d/0xd01
[  670.747676]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.752786]  ? zap_class+0x640/0x640
[  670.756532]  ? __lock_is_held+0xb5/0x140
[  670.760600]  ? mark_held_locks+0x130/0x130
[  670.764840]  ? lock_release+0xa00/0xa00
[  670.768821]  ? perf_trace_sched_process_exec+0x860/0x860
[  670.774278]  ? xa_load+0x2ba/0x460
[  670.777825]  ? lock_downgrade+0x900/0x900
[  670.781977]  ? __might_sleep+0x95/0x190
[  670.785961]  __alloc_pages_nodemask+0xa80/0xde0
[  670.790639]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  670.795660]  ? __page_cache_alloc+0x191/0x5c0
[  670.800153]  ? xa_load+0x2e1/0x460
[  670.803696]  ? xa_clear_mark+0x40/0x40
[  670.807587]  ? zap_class+0x640/0x640
[  670.811312]  ? zap_class+0x640/0x640
[  670.815023]  ? zap_class+0x640/0x640
[  670.818740]  ? __do_page_cache_readahead+0x663/0x810
[  670.823855]  ? find_held_lock+0x36/0x1c0
[  670.827924]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  670.833467]  alloc_pages_current+0x173/0x350
[  670.837885]  __page_cache_alloc+0x38c/0x5c0
[  670.842206]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.847135]  ? kasan_check_read+0x11/0x20
[  670.851289]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.857094]  ? generic_perform_write+0x6a0/0x6a0
[  670.861855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.867396]  ? check_preemption_disabled+0x48/0x280
[  670.872422]  filemap_fault+0x1595/0x25f0
[  670.876525]  ? __lock_page_or_retry+0xa00/0xa00
[  670.881202]  ? mark_held_locks+0x130/0x130
[  670.885449]  ? filemap_map_pages+0xd6b/0x1a20
[  670.889944]  ? lock_downgrade+0x900/0x900
[  670.894108]  ? check_preemption_disabled+0x48/0x280
[  670.899128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.904056]  ? kasan_check_read+0x11/0x20
[  670.908202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.913481]  ? rcu_softirq_qs+0x20/0x20
[  670.917469]  ? filemap_map_pages+0xd92/0x1a20
[  670.921972]  ? print_usage_bug+0xc0/0xc0
[  670.926042]  ? find_get_entries_tag+0x1400/0x1400
[  670.930884]  ? __kasan_slab_free+0x102/0x150
[  670.935292]  ? kasan_slab_free+0xe/0x10
[  670.939278]  ? kmem_cache_free+0x83/0x290
[  670.943431]  ? __sigqueue_free.part.29+0x74/0x90
[  670.948210]  ? lock_acquire+0x1ed/0x520
[  670.952186]  ? ext4_filemap_fault+0x7a/0xad
[  670.956517]  ? lock_release+0xa00/0xa00
[  670.960489]  ? perf_trace_sched_process_exec+0x860/0x860
[  670.965941]  ? print_usage_bug+0xc0/0xc0
[  670.970006]  ? print_usage_bug+0xc0/0xc0
[  670.974084]  ? down_read+0x8d/0x120
[  670.977711]  ? ext4_filemap_fault+0x7a/0xad
[  670.982037]  ? __down_interruptible+0x700/0x700
[  670.986722]  ext4_filemap_fault+0x82/0xad
[  670.990875]  __do_fault+0x100/0x6b0
[  670.994508]  ? pmd_devmap_trans_unstable+0x220/0x220
[  670.999616]  ? mark_held_locks+0x130/0x130
[  671.003855]  ? mark_held_locks+0x130/0x130
[  671.008094]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  671.013634]  ? rcu_pm_notify+0xc0/0xc0
[  671.017534]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.023080]  __handle_mm_fault+0x3ea6/0x5be0
[  671.027500]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  671.032348]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.036847]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  671.041431]  ? trace_hardirqs_on+0xbd/0x310
[  671.045754]  ? kasan_check_read+0x11/0x20
[  671.049907]  ? __set_current_blocked+0xdf/0x120
[  671.054577]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.059696]  ? zap_class+0x640/0x640
[  671.063408]  ? zap_class+0x640/0x640
[  671.067130]  ? find_held_lock+0x36/0x1c0
[  671.071203]  ? handle_mm_fault+0x42a/0xc70
[  671.075439]  ? lock_downgrade+0x900/0x900
[  671.079589]  ? check_preemption_disabled+0x48/0x280
[  671.084623]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  671.089562]  ? kasan_check_read+0x11/0x20
[  671.093712]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.098990]  ? rcu_softirq_qs+0x20/0x20
[  671.102965]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.108072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.113612]  ? check_preemption_disabled+0x48/0x280
[  671.118636]  handle_mm_fault+0x54f/0xc70
[  671.122705]  ? __handle_mm_fault+0x5be0/0x5be0
[  671.127302]  ? find_vma+0x34/0x190
[  671.130850]  __do_page_fault+0x5e8/0xe60
[  671.134916]  ? exit_to_usermode_loop+0x1f4/0x380
[  671.139683]  do_page_fault+0xf2/0x7e0
[  671.143485]  ? vmalloc_sync_all+0x30/0x30
[  671.147634]  ? error_entry+0x70/0xd0
[  671.151355]  ? trace_hardirqs_off_caller+0xbb/0x310
[  671.156379]  ? trace_hardirqs_on_caller+0xc0/0x310
[  671.161315]  ? syscall_return_slowpath+0x5e0/0x5e0
[  671.166244]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.171098]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.176114]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  671.181575]  ? prepare_exit_to_usermode+0x291/0x3b0
[  671.186592]  ? page_fault+0x8/0x30
[  671.190137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.194983]  ? page_fault+0x8/0x30
[  671.198521]  page_fault+0x1e/0x30
[  671.201971] RIP: 0033:0x45db60
[  671.205172] Code: Bad RIP value.
[  671.208530] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  671.213887] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  671.221157] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  671.228425] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  671.235691] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  671.242955] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  671.250244] warn_alloc_show_mem: 1 callbacks suppressed
[  671.250269] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  671.250271] Mem-Info:
[  671.250302] active_anon:45842 inactive_anon:131 isolated_anon:0
[  671.250302]  active_file:10 inactive_file:14 isolated_file:0
[  671.250302]  unevictable:0 dirty:0 writeback:0 unstable:0
[  671.250302]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  671.250302]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  671.250302]  free:13767 free_pcp:218 free_cma:0
[  671.255659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  671.262585] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  671.264983] Call Trace:
[  671.297846] 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
[  671.307190]  <IRQ>
[  671.334669] lowmem_reserve[]: 0 2818 6321 6321
[  671.337268]  dump_stack+0x244/0x39d
[  671.363360] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  671.365508]  ? dump_stack_print_info.cold.1+0x20/0x20
[  671.370059] lowmem_reserve[]: 0 0 3503 3503
[  671.373689]  warn_alloc.cold.116+0xb7/0x1bd
[  671.400986] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  671.406177]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  671.410474] lowmem_reserve[]: 0 0 0 0
[  671.414791]  ? lock_downgrade+0x900/0x900
[  671.443653] 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
[  671.448498]  ? trace_hardirqs_off+0xb8/0x310
[  671.452264] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  671.456424]  ? trace_hardirqs_off+0xb8/0x310
[  671.469920] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  671.474331]  __alloc_pages_slowpath+0x26e8/0x2e10
[  671.489562] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  671.493985]  ? warn_alloc+0x120/0x120
[  671.508768] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  671.513604]  ? warn_alloc+0x120/0x120
[  671.522406] 162 total pagecache pages
[  671.526199]  ? warn_alloc+0x120/0x120
[  671.534757] 0 pages in swap cache
[  671.538545]  ? print_usage_bug+0xc0/0xc0
[  671.542322] Swap cache stats: add 0, delete 0, find 0/0
[  671.546109]  ? print_usage_bug+0xc0/0xc0
[  671.549536] Free swap  = 0kB
[  671.553588]  ? ktime_get+0x2c1/0x400
[  671.558930] Total swap = 0kB
[  671.562985]  ? check_preemption_disabled+0x48/0x280
[  671.565989] 1965979 pages RAM
[  671.569698]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  671.572692] 0 pages HighMem/MovableOnly
[  671.577702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.580784] 342855 pages reserved
[  671.585277]  ? should_fail+0x22d/0xd01
[  671.589228] 0 pages cma reserved
[  671.594770]  ? kasan_check_read+0x11/0x20
[  671.598266] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  671.602073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.605479] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  671.609564]  ? __lock_acquire+0x62f/0x4c20
[  671.616032] syz-fuzzer cpuset=/ mems_allowed=0
[  671.621128]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.645379]  ? should_fail+0x22d/0xd01
[  671.649279]  ? print_usage_bug+0xc0/0xc0
[  671.653352]  ? mark_held_locks+0x130/0x130
[  671.657588]  ? mark_held_locks+0x130/0x130
[  671.661824]  ? check_preemption_disabled+0x48/0x280
[  671.666850]  ? zap_class+0x640/0x640
[  671.670569]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  671.675327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.680866]  ? check_preemption_disabled+0x48/0x280
[  671.685897]  ? __lock_is_held+0xb5/0x140
[  671.689966]  __alloc_pages_nodemask+0xa80/0xde0
[  671.694635]  ? zap_class+0x640/0x640
[  671.698357]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  671.703386]  ? find_held_lock+0x36/0x1c0
[  671.707459]  ? ____cache_alloc_node+0x1c7/0x1e0
[  671.712133]  ? lock_downgrade+0x900/0x900
[  671.716302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.722293]  cache_grow_begin+0xa5/0x8c0
[  671.726356]  ? do_raw_spin_unlock+0xa7/0x330
[  671.730778]  fallback_alloc+0x204/0x2e0
[  671.734762]  ____cache_alloc_node+0x1c7/0x1e0
[  671.739276]  kmem_cache_alloc_node+0xe3/0x730
[  671.743784]  __alloc_skb+0x119/0x770
[  671.747503]  ? retint_kernel+0x2d/0x2d
[  671.751398]  ? netdev_alloc_frag+0x1f0/0x1f0
[  671.755812]  ? vprintk_default+0x28/0x30
[  671.759873]  ? vprintk_func+0x85/0x181
[  671.763764]  ? printk+0xa7/0xcf
[  671.767049]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  671.771808]  ? do_raw_spin_trylock+0x270/0x270
[  671.776394]  new_skb+0x26/0x1c0
[  671.779679]  aoecmd_cfg+0x279/0x7f0
[  671.783310]  ? find_held_lock+0x36/0x1c0
[  671.787375]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  671.791708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.797269]  ? __lock_is_held+0xb5/0x140
[  671.801347]  discover_timer+0x50/0x60
[  671.805151]  call_timer_fn+0x272/0x920
[  671.809041]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  671.813883]  ? process_timeout+0x40/0x40
[  671.817955]  ? __run_timers+0x7da/0xc70
[  671.821935]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.826434]  ? _raw_spin_unlock_irq+0x27/0x80
[  671.830932]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  671.835775]  ? lockdep_hardirqs_on+0x296/0x5b0
[  671.840360]  ? trace_hardirqs_on+0xbd/0x310
[  671.844683]  ? kasan_check_read+0x11/0x20
[  671.848828]  ? __run_timers+0x7da/0xc70
[  671.852802]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.857921]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  671.862762]  __run_timers+0x7e5/0xc70
[  671.866578]  ? timer_fixup_init+0x70/0x70
[  671.870727]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  671.875752]  ? zap_class+0x640/0x640
[  671.879492]  ? enqueue_hrtimer+0x1a5/0x560
[  671.883756]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  671.888955]  ? find_held_lock+0x36/0x1c0
[  671.893022]  ? zap_class+0x640/0x640
[  671.896740]  ? pvclock_read_flags+0x160/0x160
[  671.901242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.906796]  ? check_preemption_disabled+0x48/0x280
[  671.911822]  ? __lock_is_held+0xb5/0x140
[  671.915885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.921444]  ? check_preemption_disabled+0x48/0x280
[  671.926466]  run_timer_softirq+0x52/0xb0
[  671.930526]  ? rcu_read_lock_sched_held+0x14f/0x180
[  671.935547]  __do_softirq+0x308/0xb7e
[  671.939351]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  671.943844]  ? lock_downgrade+0x900/0x900
[  671.948001]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  671.953116]  ? pvclock_read_flags+0x160/0x160
[  671.957618]  ? lapic_next_event+0x5a/0x90
[  671.961771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.967316]  ? kvm_clock_read+0x18/0x30
[  671.971305]  ? kvm_sched_clock_read+0x9/0x20
[  671.975717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.981273]  ? check_preemption_disabled+0x48/0x280
[  671.986303]  irq_exit+0x17f/0x1c0
[  671.989762]  smp_apic_timer_interrupt+0x1cb/0x760
[  671.994602]  ? smp_call_function_single_interrupt+0x159/0x650
[  672.000486]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.006374]  ? interrupt_entry+0xb5/0xc0
[  672.010439]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.015458]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.020478]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.025319]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.030333]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.035365]  ? task_prio+0x50/0x50
[  672.038906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.044454]  ? check_preemption_disabled+0x48/0x280
[  672.049476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.054327]  apic_timer_interrupt+0xf/0x20
[  672.058556]  </IRQ>
[  672.060796] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  672.065728] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  672.084628] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  672.092335] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  672.099600] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  672.106866] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  672.114134] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  672.121400] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  672.128718]  skb_clone+0x1bb/0x500
[  672.132274]  ? finish_task_switch+0x2f4/0x910
[  672.136771]  ? skb_split+0x11e0/0x11e0
[  672.140660]  ? preempt_notifier_register+0x200/0x200
[  672.145762]  ? __switch_to_asm+0x34/0x70
[  672.149827]  ? __switch_to_asm+0x34/0x70
[  672.153887]  ? __switch_to_asm+0x40/0x70
[  672.157946]  ? __switch_to_asm+0x34/0x70
[  672.162006]  ? __switch_to_asm+0x40/0x70
[  672.166065]  ? __switch_to_asm+0x34/0x70
[  672.170124]  ? __switch_to_asm+0x40/0x70
[  672.174185]  ? __switch_to_asm+0x34/0x70
[  672.178266]  ? __switch_to_asm+0x34/0x70
[  672.182333]  ? __switch_to_asm+0x40/0x70
[  672.186396]  ? __switch_to_asm+0x34/0x70
[  672.190468]  bpf_clone_redirect+0xb9/0x490
[  672.194704]  ? __schedule+0x8d7/0x21d0
[  672.198596]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  672.203618]  ? __sched_text_start+0x8/0x8
[  672.207771]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  672.212365]  ? retint_kernel+0x2d/0x2d
[  672.216265]  ? trace_hardirqs_on_caller+0xc0/0x310
[  672.221211]  ? find_held_lock+0x36/0x1c0
[  672.225290]  ? lock_acquire+0x1ed/0x520
[  672.229278]  ? bpf_test_run+0x3cb/0x780
[  672.233270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.238811]  ? check_preemption_disabled+0x48/0x280
[  672.243836]  ? kasan_check_read+0x11/0x20
[  672.247987]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.253274]  ? rcu_softirq_qs+0x20/0x20
[  672.257257]  ? preempt_schedule+0x4d/0x60
[  672.261417]  ? ___preempt_schedule+0x16/0x18
[  672.265836]  ? bpf_test_run+0x25d/0x780
[  672.269842]  ? netlink_diag_dump+0x2a0/0x2a0
[  672.274275]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.279815]  ? bpf_test_init.isra.10+0x70/0x100
[  672.284488]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  672.289269]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.294118]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  672.299656]  ? fput+0x130/0x1a0
[  672.302940]  ? __bpf_prog_get+0x9b/0x290
[  672.307002]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.311846]  ? bpf_prog_test_run+0x130/0x1a0
[  672.316289]  ? __x64_sys_bpf+0x3d8/0x520
[  672.320351]  ? bpf_prog_get+0x20/0x20
[  672.324179]  ? do_syscall_64+0x1b9/0x820
[  672.328242]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  672.333622]  ? syscall_return_slowpath+0x5e0/0x5e0
[  672.338555]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.343573]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  672.348591]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  672.355276]  ? __switch_to_asm+0x40/0x70
[  672.359342]  ? __switch_to_asm+0x34/0x70
[  672.363410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.368278]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  672.373668] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  672.373735] aoe: skb alloc failure
[  672.380261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  672.380267] Call Trace:
[  672.380274]  <IRQ>
[  672.380293]  dump_stack+0x244/0x39d
[  672.380313]  ? dump_stack_print_info.cold.1+0x20/0x20
[  672.383861] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  672.393193]  warn_alloc.cold.116+0xb7/0x1bd
[  672.395744] syz-executor3 cpuset=syz3 mems_allowed=0
[  672.397892]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  672.431363]  ? lock_downgrade+0x900/0x900
[  672.435524]  ? trace_hardirqs_off+0xb8/0x310
[  672.439945]  ? trace_hardirqs_off+0xb8/0x310
[  672.444370]  __alloc_pages_slowpath+0x26e8/0x2e10
[  672.449246]  ? warn_alloc+0x120/0x120
[  672.453065]  ? print_usage_bug+0xc0/0xc0
[  672.457132]  ? warn_alloc+0x120/0x120
[  672.460940]  ? warn_alloc+0x120/0x120
[  672.464748]  ? print_usage_bug+0xc0/0xc0
[  672.468828]  ? print_usage_bug+0xc0/0xc0
[  672.472905]  ? __lock_acquire+0x62f/0x4c20
[  672.477151]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.482700]  ? should_fail+0x22d/0xd01
[  672.486604]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.491723]  ? __lock_acquire+0x62f/0x4c20
[  672.495968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.501072]  ? __lock_acquire+0x62f/0x4c20
[  672.505308]  ? should_fail+0x22d/0xd01
[  672.509196]  ? find_held_lock+0x36/0x1c0
[  672.513276]  ? mark_held_locks+0x130/0x130
[  672.517521]  ? mark_held_locks+0x130/0x130
[  672.521758]  ? zap_class+0x640/0x640
[  672.525476]  ? zap_class+0x640/0x640
[  672.529197]  ? print_usage_bug+0xc0/0xc0
[  672.533263]  ? do_raw_spin_unlock+0xa7/0x330
[  672.537675]  ? zap_class+0x640/0x640
[  672.541389]  ? print_usage_bug+0xc0/0xc0
[  672.545457]  ? wq_watchdog_touch+0x9c/0xfe
[  672.549698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.555238]  ? check_preemption_disabled+0x48/0x280
[  672.560283]  ? __lock_is_held+0xb5/0x140
[  672.564359]  __alloc_pages_nodemask+0xa80/0xde0
[  672.569030]  ? zap_class+0x640/0x640
[  672.572751]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  672.577798]  ? find_held_lock+0x36/0x1c0
[  672.581871]  ? ____cache_alloc_node+0x1c7/0x1e0
[  672.586542]  ? lock_downgrade+0x900/0x900
[  672.590703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.596246]  cache_grow_begin+0xa5/0x8c0
[  672.600316]  ? do_raw_spin_unlock+0xa7/0x330
[  672.604737]  fallback_alloc+0x204/0x2e0
[  672.608720]  ____cache_alloc_node+0x1c7/0x1e0
[  672.613221]  kmem_cache_alloc_node+0xe3/0x730
[  672.617723]  ? ipv6_get_ifaddr+0x42e/0x620
[  672.621970]  __alloc_skb+0x119/0x770
[  672.625684]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.630972]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.635382]  ? lock_downgrade+0x900/0x900
[  672.639538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.645078]  ? refcount_sub_and_test_checked+0x203/0x310
[  672.650537]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  672.655987]  ? addrconf_rs_timer+0x690/0x690
[  672.660409]  ndisc_alloc_skb+0x144/0x340
[  672.664477]  ndisc_send_rs+0x331/0x6e0
[  672.668370]  addrconf_rs_timer+0x314/0x690
[  672.672612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.676860]  call_timer_fn+0x272/0x920
[  672.680748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.684987]  ? process_timeout+0x40/0x40
[  672.689060]  ? mark_held_locks+0xc7/0x130
[  672.693217]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.697718]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.702211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.706452]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.711037]  ? trace_hardirqs_on+0xbd/0x310
[  672.715364]  ? kasan_check_read+0x11/0x20
[  672.719513]  ? __run_timers+0x7da/0xc70
[  672.723496]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.728612]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.732857]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.737096]  __run_timers+0x7e5/0xc70
[  672.740907]  ? timer_fixup_init+0x70/0x70
[  672.745062]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  672.750082]  ? zap_class+0x640/0x640
[  672.753805]  ? print_usage_bug+0xc0/0xc0
[  672.757868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  672.763067]  ? find_held_lock+0x36/0x1c0
[  672.767134]  ? zap_class+0x640/0x640
[  672.770857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.776399]  ? check_preemption_disabled+0x48/0x280
[  672.781431]  ? __lock_is_held+0xb5/0x140
[  672.785499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.791038]  ? check_preemption_disabled+0x48/0x280
[  672.796064]  run_timer_softirq+0x52/0xb0
[  672.800132]  ? rcu_read_lock_sched_held+0x14f/0x180
[  672.805151]  __do_softirq+0x308/0xb7e
[  672.808957]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.813458]  ? lock_downgrade+0x900/0x900
[  672.817612]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  672.822729]  ? pvclock_read_flags+0x160/0x160
[  672.827231]  ? lapic_next_event+0x5a/0x90
[  672.831389]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.836933]  ? kvm_clock_read+0x18/0x30
[  672.840910]  ? kvm_sched_clock_read+0x9/0x20
[  672.845322]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.850863]  ? check_preemption_disabled+0x48/0x280
[  672.856370]  irq_exit+0x17f/0x1c0
[  672.859826]  smp_apic_timer_interrupt+0x1cb/0x760
[  672.864670]  ? smp_reschedule_interrupt+0x109/0x650
[  672.869687]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.875574]  ? interrupt_entry+0xb5/0xc0
[  672.879640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.884658]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.889680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.894523]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.899540]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.904555]  ? task_prio+0x50/0x50
[  672.908102]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.913642]  ? check_preemption_disabled+0x48/0x280
[  672.918667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.923524]  apic_timer_interrupt+0xf/0x20
[  672.927753]  </IRQ>
[  672.930025] RIP: 0010:dump_stack+0x358/0x39d
[  672.934440] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  672.953340] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  672.961044] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  672.968308] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  672.975574] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  672.982843] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  672.990108] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  672.997399]  ? dump_stack+0x34f/0x39d
[  673.001220]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.006425]  ? mark_held_locks+0x130/0x130
[  673.010657]  ? mark_held_locks+0x130/0x130
[  673.014896]  dump_header+0x27b/0xf72
[  673.018623]  ? pagefault_out_of_memory+0x197/0x197
[  673.023567]  ? __lock_acquire+0x62f/0x4c20
[  673.027805]  ? percpu_ref_get_many+0x240/0x240
[  673.032394]  ? print_usage_bug+0xc0/0xc0
[  673.036467]  ? zap_class+0x640/0x640
[  673.040187]  ? print_usage_bug+0xc0/0xc0
[  673.044246]  ? print_usage_bug+0xc0/0xc0
[  673.048321]  ? zap_class+0x640/0x640
[  673.052042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.057586]  ? find_held_lock+0x36/0x1c0
[  673.061660]  ? mark_held_locks+0xc7/0x130
[  673.065818]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.070922]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.076026]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  673.080615]  ? trace_hardirqs_on+0xbd/0x310
[  673.084949]  ? kasan_check_read+0x11/0x20
[  673.089101]  ? ___ratelimit+0x3b4/0x672
[  673.093076]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.098179]  ? trace_hardirqs_on+0x310/0x310
[  673.102590]  ? lock_downgrade+0x900/0x900
[  673.106750]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  673.111857]  ? ___ratelimit+0x3b9/0x672
[  673.115832]  ? idr_get_free+0xf70/0xf70
[  673.119810]  ? find_held_lock+0x36/0x1c0
[  673.123882]  oom_kill_process.cold.27+0x10/0x903
[  673.128639]  ? zap_class+0x640/0x640
[  673.132354]  ? check_preemption_disabled+0x48/0x280
[  673.137375]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.142304]  ? kasan_check_read+0x11/0x20
[  673.146453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.151735]  ? oom_evaluate_task+0x540/0x540
[  673.156157]  ? find_held_lock+0x36/0x1c0
[  673.160227]  ? out_of_memory+0x974/0x1430
[  673.164387]  ? lock_downgrade+0x900/0x900
[  673.168542]  ? check_preemption_disabled+0x48/0x280
[  673.173562]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.178496]  ? kasan_check_read+0x11/0x20
[  673.182652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.187932]  ? rcu_softirq_qs+0x20/0x20
[  673.191914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.197456]  ? oom_evaluate_task+0x302/0x540
[  673.201874]  out_of_memory+0xa84/0x1430
[  673.205875]  ? oom_killer_disable+0x3a0/0x3a0
[  673.210372]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  673.215308]  ? __ww_mutex_check_waiters+0x160/0x160
[  673.220348]  __alloc_pages_slowpath+0x2354/0x2e10
[  673.225224]  ? warn_alloc+0x120/0x120
[  673.229034]  ? mark_held_locks+0x130/0x130
[  673.233284]  ? find_get_entry+0xaae/0x1120
[  673.237536]  ? filemap_map_pages+0x1a20/0x1a20
[  673.242211]  ? zap_class+0x640/0x640
[  673.245934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.251472]  ? check_preemption_disabled+0x48/0x280
[  673.256494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.262038]  ? should_fail+0x22d/0xd01
[  673.265932]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  673.271041]  ? zap_class+0x640/0x640
[  673.274791]  ? __lock_is_held+0xb5/0x140
[  673.278865]  ? mark_held_locks+0x130/0x130
[  673.283106]  ? lock_release+0xa00/0xa00
[  673.287080]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.292530]  ? xa_load+0x2ba/0x460
[  673.296075]  ? lock_downgrade+0x900/0x900
[  673.300227]  ? __might_sleep+0x95/0x190
[  673.304218]  __alloc_pages_nodemask+0xa80/0xde0
[  673.308898]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  673.313915]  ? __page_cache_alloc+0x191/0x5c0
[  673.318414]  ? xa_load+0x2e1/0x460
[  673.321960]  ? xa_clear_mark+0x40/0x40
[  673.325854]  ? zap_class+0x640/0x640
[  673.329578]  ? zap_class+0x640/0x640
[  673.333293]  ? zap_class+0x640/0x640
[  673.337008]  ? __do_page_cache_readahead+0x663/0x810
[  673.342119]  ? find_held_lock+0x36/0x1c0
[  673.346281]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  673.351831]  alloc_pages_current+0x173/0x350
[  673.356258]  __page_cache_alloc+0x38c/0x5c0
[  673.360584]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.365517]  ? kasan_check_read+0x11/0x20
[  673.369669]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.374949]  ? generic_perform_write+0x6a0/0x6a0
[  673.379707]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.385249]  ? check_preemption_disabled+0x48/0x280
[  673.390291]  filemap_fault+0x1595/0x25f0
[  673.394368]  ? __lock_page_or_retry+0xa00/0xa00
[  673.399041]  ? mark_held_locks+0x130/0x130
[  673.403298]  ? filemap_map_pages+0xd6b/0x1a20
[  673.407803]  ? lock_downgrade+0x900/0x900
[  673.411956]  ? check_preemption_disabled+0x48/0x280
[  673.416976]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.421911]  ? kasan_check_read+0x11/0x20
[  673.426075]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.431354]  ? rcu_softirq_qs+0x20/0x20
[  673.435346]  ? filemap_map_pages+0xd92/0x1a20
[  673.439853]  ? print_usage_bug+0xc0/0xc0
[  673.443920]  ? find_get_entries_tag+0x1400/0x1400
[  673.448773]  ? __kasan_slab_free+0x102/0x150
[  673.453197]  ? kasan_slab_free+0xe/0x10
[  673.457174]  ? kmem_cache_free+0x83/0x290
[  673.461326]  ? __sigqueue_free.part.29+0x74/0x90
[  673.466105]  ? lock_acquire+0x1ed/0x520
[  673.470080]  ? ext4_filemap_fault+0x7a/0xad
[  673.474411]  ? lock_release+0xa00/0xa00
[  673.478387]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.483839]  ? print_usage_bug+0xc0/0xc0
[  673.487906]  ? print_usage_bug+0xc0/0xc0
[  673.491983]  ? down_read+0x8d/0x120
[  673.495609]  ? ext4_filemap_fault+0x7a/0xad
[  673.499935]  ? __down_interruptible+0x700/0x700
[  673.504616]  ext4_filemap_fault+0x82/0xad
[  673.508774]  __do_fault+0x100/0x6b0
[  673.512407]  ? pmd_devmap_trans_unstable+0x220/0x220
[  673.517515]  ? mark_held_locks+0x130/0x130
[  673.521754]  ? mark_held_locks+0x130/0x130
[  673.525997]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  673.531539]  ? rcu_pm_notify+0xc0/0xc0
[  673.535443]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.540993]  __handle_mm_fault+0x3ea6/0x5be0
[  673.545416]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  673.550267]  ? _raw_spin_unlock_irq+0x27/0x80
[  673.554790]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  673.559378]  ? trace_hardirqs_on+0xbd/0x310
[  673.563701]  ? kasan_check_read+0x11/0x20
[  673.567849]  ? __set_current_blocked+0xdf/0x120
[  673.572517]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.577633]  ? zap_class+0x640/0x640
[  673.581349]  ? zap_class+0x640/0x640
[  673.585070]  ? find_held_lock+0x36/0x1c0
[  673.589143]  ? handle_mm_fault+0x42a/0xc70
[  673.593380]  ? lock_downgrade+0x900/0x900
[  673.597532]  ? check_preemption_disabled+0x48/0x280
[  673.602555]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.607484]  ? kasan_check_read+0x11/0x20
[  673.611632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.616908]  ? rcu_softirq_qs+0x20/0x20
[  673.620881]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.625987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.631531]  ? check_preemption_disabled+0x48/0x280
[  673.636557]  handle_mm_fault+0x54f/0xc70
[  673.640622]  ? __handle_mm_fault+0x5be0/0x5be0
[  673.645210]  ? find_vma+0x34/0x190
[  673.648761]  __do_page_fault+0x5e8/0xe60
[  673.652835]  ? exit_to_usermode_loop+0x1f4/0x380
[  673.657600]  do_page_fault+0xf2/0x7e0
[  673.661401]  ? vmalloc_sync_all+0x30/0x30
[  673.665550]  ? error_entry+0x70/0xd0
[  673.669276]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.674294]  ? trace_hardirqs_on_caller+0xc0/0x310
[  673.679229]  ? syscall_return_slowpath+0x5e0/0x5e0
[  673.684166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.689012]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.694028]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  673.699493]  ? prepare_exit_to_usermode+0x291/0x3b0
[  673.704527]  ? page_fault+0x8/0x30
[  673.708075]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.712924]  ? page_fault+0x8/0x30
[  673.716469]  page_fault+0x1e/0x30
[  673.719922] RIP: 0033:0x45db60
[  673.723465] Code: Bad RIP value.
[  673.726830] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  673.732189] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  673.739459] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  673.746724] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  673.753989] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  673.761261] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  673.768557] warn_alloc_show_mem: 1 callbacks suppressed
[  673.768570] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  673.768571] Mem-Info:
[  673.768602] active_anon:45842 inactive_anon:131 isolated_anon:0
[  673.768602]  active_file:10 inactive_file:14 isolated_file:0
[  673.768602]  unevictable:0 dirty:0 writeback:0 unstable:0
[  673.768602]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  673.768602]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  673.768602]  free:13767 free_pcp:218 free_cma:0
[  673.773946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  673.780965] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  673.783362] Call Trace:
[  673.816235] 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
[  673.825590]  <IRQ>
[  673.853071] lowmem_reserve[]: 0 2818 6321 6321
[  673.855672]  dump_stack+0x244/0x39d
[  673.881756] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  673.883906]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.888459] lowmem_reserve[]: 0 0 3503 3503
[  673.892093]  warn_alloc.cold.116+0xb7/0x1bd
[  673.919389] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  673.924585]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  673.928877] lowmem_reserve[]: 0 0 0 0
[  673.933195]  ? lock_downgrade+0x900/0x900
[  673.962060] 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
[  673.966912]  ? trace_hardirqs_off+0xb8/0x310
[  673.970681] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  673.974823]  ? trace_hardirqs_off+0xb8/0x310
[  673.988317] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  673.992726]  __alloc_pages_slowpath+0x26e8/0x2e10
[  674.007960] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  674.012380]  ? warn_alloc+0x120/0x120
[  674.027160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  674.031993]  ? warn_alloc+0x120/0x120
[  674.040803] 162 total pagecache pages
[  674.044595]  ? __lock_acquire+0x62f/0x4c20
[  674.053151] 0 pages in swap cache
[  674.056937]  ? warn_alloc+0x120/0x120
[  674.060716] Swap cache stats: add 0, delete 0, find 0/0
[  674.064941]  ? print_usage_bug+0xc0/0xc0
[  674.068370] Free swap  = 0kB
[  674.072168]  ? print_usage_bug+0xc0/0xc0
[  674.077501] Total swap = 0kB
[  674.077509] 1965979 pages RAM
[  674.081574]  ? mark_held_locks+0x130/0x130
[  674.084574] 0 pages HighMem/MovableOnly
[  674.088633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.091632] 342855 pages reserved
[  674.094731]  ? should_fail+0x22d/0xd01
[  674.098939] 0 pages cma reserved
[  674.102905]  ? zap_class+0x640/0x640
[  674.108477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  674.111861]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.115792] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.119086]  ? __lock_acquire+0x62f/0x4c20
[  674.122778] syz-fuzzer cpuset=/ mems_allowed=0
[  674.129273]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.158427]  ? should_fail+0x22d/0xd01
[  674.162326]  ? mark_held_locks+0x130/0x130
[  674.166565]  ? mark_held_locks+0x130/0x130
[  674.170799]  ? lock_downgrade+0x900/0x900
[  674.174950]  ? zap_class+0x640/0x640
[  674.178667]  ? zap_class+0x640/0x640
[  674.182386]  ? zap_class+0x640/0x640
[  674.186101]  ? do_raw_spin_unlock+0xa7/0x330
[  674.190511]  ? trace_hardirqs_on+0x310/0x310
[  674.194921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.200463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.206003]  ? check_preemption_disabled+0x48/0x280
[  674.211030]  ? __lock_is_held+0xb5/0x140
[  674.215097]  __alloc_pages_nodemask+0xa80/0xde0
[  674.219767]  ? zap_class+0x640/0x640
[  674.223487]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  674.228515]  ? find_held_lock+0x36/0x1c0
[  674.232586]  ? ____cache_alloc_node+0x1c7/0x1e0
[  674.237273]  ? lock_downgrade+0x900/0x900
[  674.241429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.246973]  cache_grow_begin+0xa5/0x8c0
[  674.251034]  ? do_raw_spin_unlock+0xa7/0x330
[  674.255448]  fallback_alloc+0x204/0x2e0
[  674.259427]  ____cache_alloc_node+0x1c7/0x1e0
[  674.263931]  kmem_cache_alloc_node+0xe3/0x730
[  674.268440]  __alloc_skb+0x119/0x770
[  674.272155]  ? retint_kernel+0x2d/0x2d
[  674.276045]  ? netdev_alloc_frag+0x1f0/0x1f0
[  674.280466]  ? vprintk_default+0x28/0x30
[  674.284528]  ? vprintk_func+0x85/0x181
[  674.288420]  ? printk+0xa7/0xcf
[  674.291703]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  674.296460]  ? do_raw_spin_trylock+0x270/0x270
[  674.301048]  new_skb+0x26/0x1c0
[  674.304326]  aoecmd_cfg+0x279/0x7f0
[  674.307954]  ? find_held_lock+0x36/0x1c0
[  674.312016]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  674.316344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.321894]  ? __lock_is_held+0xb5/0x140
[  674.325967]  discover_timer+0x50/0x60
[  674.329770]  call_timer_fn+0x272/0x920
[  674.333658]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.338504]  ? process_timeout+0x40/0x40
[  674.342573]  ? __run_timers+0x7da/0xc70
[  674.346551]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.351048]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.355541]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.360387]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.364974]  ? trace_hardirqs_on+0xbd/0x310
[  674.369301]  ? kasan_check_read+0x11/0x20
[  674.373452]  ? __run_timers+0x7da/0xc70
[  674.377429]  ? trace_hardirqs_off_caller+0x310/0x310
[  674.382549]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.387393]  __run_timers+0x7e5/0xc70
[  674.391204]  ? timer_fixup_init+0x70/0x70
[  674.395360]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  674.400378]  ? zap_class+0x640/0x640
[  674.404101]  ? enqueue_hrtimer+0x1a5/0x560
[  674.408337]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  674.413534]  ? find_held_lock+0x36/0x1c0
[  674.417599]  ? zap_class+0x640/0x640
[  674.421324]  ? pvclock_read_flags+0x160/0x160
[  674.425823]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.431362]  ? check_preemption_disabled+0x48/0x280
[  674.436390]  ? __lock_is_held+0xb5/0x140
[  674.440453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.445993]  ? check_preemption_disabled+0x48/0x280
[  674.451019]  run_timer_softirq+0x52/0xb0
[  674.455079]  ? rcu_read_lock_sched_held+0x14f/0x180
[  674.460098]  __do_softirq+0x308/0xb7e
[  674.463904]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.468398]  ? lock_downgrade+0x900/0x900
[  674.472550]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  674.477663]  ? pvclock_read_flags+0x160/0x160
[  674.482162]  ? lapic_next_event+0x5a/0x90
[  674.486316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.491865]  ? kvm_clock_read+0x18/0x30
[  674.495841]  ? kvm_sched_clock_read+0x9/0x20
[  674.500271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.505811]  ? check_preemption_disabled+0x48/0x280
[  674.510841]  irq_exit+0x17f/0x1c0
[  674.514298]  smp_apic_timer_interrupt+0x1cb/0x760
[  674.519141]  ? smp_call_function_single_interrupt+0x159/0x650
[  674.525027]  ? smp_call_function_single_interrupt+0x650/0x650
[  674.530913]  ? interrupt_entry+0xb5/0xc0
[  674.534979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.539998]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.545017]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.549863]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.554880]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.559900]  ? task_prio+0x50/0x50
[  674.563457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.569000]  ? check_preemption_disabled+0x48/0x280
[  674.574022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.578879]  apic_timer_interrupt+0xf/0x20
[  674.583105]  </IRQ>
[  674.585346] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  674.590292] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  674.609196] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  674.616903] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  674.624166] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  674.631448] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  674.638714] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  674.645979] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  674.653308]  skb_clone+0x1bb/0x500
[  674.656853]  ? finish_task_switch+0x2f4/0x910
[  674.661348]  ? skb_split+0x11e0/0x11e0
[  674.665237]  ? preempt_notifier_register+0x200/0x200
[  674.670363]  ? __switch_to_asm+0x34/0x70
[  674.674428]  ? __switch_to_asm+0x34/0x70
[  674.678486]  ? __switch_to_asm+0x40/0x70
[  674.682545]  ? __switch_to_asm+0x34/0x70
[  674.686606]  ? __switch_to_asm+0x40/0x70
[  674.690665]  ? __switch_to_asm+0x34/0x70
[  674.694728]  ? __switch_to_asm+0x40/0x70
[  674.698790]  ? __switch_to_asm+0x34/0x70
[  674.702856]  ? __switch_to_asm+0x34/0x70
[  674.706917]  ? __switch_to_asm+0x40/0x70
[  674.710981]  ? __switch_to_asm+0x34/0x70
[  674.715051]  bpf_clone_redirect+0xb9/0x490
[  674.719296]  ? __schedule+0x8d7/0x21d0
[  674.723674]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  674.728696]  ? __sched_text_start+0x8/0x8
[  674.732849]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  674.737430]  ? retint_kernel+0x2d/0x2d
[  674.741321]  ? trace_hardirqs_on_caller+0xc0/0x310
[  674.746269]  ? find_held_lock+0x36/0x1c0
[  674.750344]  ? lock_acquire+0x1ed/0x520
[  674.754319]  ? bpf_test_run+0x3cb/0x780
[  674.758300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.763842]  ? check_preemption_disabled+0x48/0x280
[  674.768873]  ? kasan_check_read+0x11/0x20
[  674.773027]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  674.778309]  ? rcu_softirq_qs+0x20/0x20
[  674.782295]  ? preempt_schedule+0x4d/0x60
[  674.786454]  ? ___preempt_schedule+0x16/0x18
[  674.790877]  ? bpf_test_run+0x25d/0x780
[  674.794866]  ? netlink_diag_dump+0x2a0/0x2a0
[  674.799291]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.804836]  ? bpf_test_init.isra.10+0x70/0x100
[  674.809514]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  674.814298]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.819143]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  674.824684]  ? fput+0x130/0x1a0
[  674.827966]  ? __bpf_prog_get+0x9b/0x290
[  674.832033]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  674.836883]  ? bpf_prog_test_run+0x130/0x1a0
[  674.841319]  ? __x64_sys_bpf+0x3d8/0x520
[  674.845381]  ? bpf_prog_get+0x20/0x20
[  674.849206]  ? do_syscall_64+0x1b9/0x820
[  674.853574]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  674.858952]  ? syscall_return_slowpath+0x5e0/0x5e0
[  674.863891]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.868914]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  674.873939]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  674.880615]  ? __switch_to_asm+0x40/0x70
[  674.884682]  ? __switch_to_asm+0x34/0x70
[  674.888759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.893615]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  674.899007] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  674.899076] aoe: skb alloc failure
[  674.905597] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  674.905607] Call Trace:
[  674.909219] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.918490]  <IRQ>
[  674.921061] syz-executor3 cpuset=syz3 mems_allowed=0
[  674.931550]  dump_stack+0x244/0x39d
[  674.942401]  ? dump_stack_print_info.cold.1+0x20/0x20
[  674.947610]  warn_alloc.cold.116+0xb7/0x1bd
[  674.951933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  674.956787]  ? lock_downgrade+0x900/0x900
[  674.960952]  ? trace_hardirqs_off+0xb8/0x310
[  674.965371]  ? trace_hardirqs_off+0xb8/0x310
[  674.969796]  __alloc_pages_slowpath+0x26e8/0x2e10
[  674.974677]  ? warn_alloc+0x120/0x120
[  674.978482]  ? print_usage_bug+0xc0/0xc0
[  674.982548]  ? warn_alloc+0x120/0x120
[  674.986355]  ? warn_alloc+0x120/0x120
[  674.990165]  ? print_usage_bug+0xc0/0xc0
[  674.994234]  ? print_usage_bug+0xc0/0xc0
[  674.998312]  ? __lock_acquire+0x62f/0x4c20
[  675.002562]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.008108]  ? should_fail+0x22d/0xd01
[  675.012004]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.017127]  ? __lock_acquire+0x62f/0x4c20
[  675.021380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.026492]  ? __lock_acquire+0x62f/0x4c20
[  675.030729]  ? should_fail+0x22d/0xd01
[  675.034652]  ? find_held_lock+0x36/0x1c0
[  675.038724]  ? mark_held_locks+0x130/0x130
[  675.042965]  ? mark_held_locks+0x130/0x130
[  675.047199]  ? zap_class+0x640/0x640
[  675.050919]  ? zap_class+0x640/0x640
[  675.054640]  ? print_usage_bug+0xc0/0xc0
[  675.058702]  ? do_raw_spin_unlock+0xa7/0x330
[  675.063112]  ? zap_class+0x640/0x640
[  675.066830]  ? print_usage_bug+0xc0/0xc0
[  675.070895]  ? wq_watchdog_touch+0x9c/0xfe
[  675.075141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.080681]  ? check_preemption_disabled+0x48/0x280
[  675.085743]  ? __lock_is_held+0xb5/0x140
[  675.089839]  __alloc_pages_nodemask+0xa80/0xde0
[  675.094508]  ? zap_class+0x640/0x640
[  675.098227]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  675.103275]  ? find_held_lock+0x36/0x1c0
[  675.107352]  ? ____cache_alloc_node+0x1c7/0x1e0
[  675.112022]  ? lock_downgrade+0x900/0x900
[  675.116178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.121725]  cache_grow_begin+0xa5/0x8c0
[  675.125795]  ? do_raw_spin_unlock+0xa7/0x330
[  675.130217]  fallback_alloc+0x204/0x2e0
[  675.134201]  ____cache_alloc_node+0x1c7/0x1e0
[  675.138706]  kmem_cache_alloc_node+0xe3/0x730
[  675.143205]  ? ipv6_get_ifaddr+0x42e/0x620
[  675.147454]  __alloc_skb+0x119/0x770
[  675.151176]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.156457]  ? netdev_alloc_frag+0x1f0/0x1f0
[  675.160870]  ? lock_downgrade+0x900/0x900
[  675.165033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.170576]  ? refcount_sub_and_test_checked+0x203/0x310
[  675.176053]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  675.181512]  ? addrconf_rs_timer+0x690/0x690
[  675.185935]  ndisc_alloc_skb+0x144/0x340
[  675.190000]  ndisc_send_rs+0x331/0x6e0
[  675.193894]  addrconf_rs_timer+0x314/0x690
[  675.198138]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.202388]  call_timer_fn+0x272/0x920
[  675.206279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.210518]  ? process_timeout+0x40/0x40
[  675.214591]  ? mark_held_locks+0xc7/0x130
[  675.218742]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.223242]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.227746]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.231984]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.236570]  ? trace_hardirqs_on+0xbd/0x310
[  675.240896]  ? kasan_check_read+0x11/0x20
[  675.245044]  ? __run_timers+0x7da/0xc70
[  675.249019]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.254126]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.258365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.262596]  __run_timers+0x7e5/0xc70
[  675.266408]  ? timer_fixup_init+0x70/0x70
[  675.270562]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.275579]  ? zap_class+0x640/0x640
[  675.279303]  ? print_usage_bug+0xc0/0xc0
[  675.283370]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  675.288567]  ? find_held_lock+0x36/0x1c0
[  675.292633]  ? zap_class+0x640/0x640
[  675.296357]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.301900]  ? check_preemption_disabled+0x48/0x280
[  675.306930]  ? __lock_is_held+0xb5/0x140
[  675.310995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.316535]  ? check_preemption_disabled+0x48/0x280
[  675.321556]  run_timer_softirq+0x52/0xb0
[  675.325618]  ? rcu_read_lock_sched_held+0x14f/0x180
[  675.330636]  __do_softirq+0x308/0xb7e
[  675.334451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.338943]  ? lock_downgrade+0x900/0x900
[  675.343098]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  675.348211]  ? pvclock_read_flags+0x160/0x160
[  675.352709]  ? lapic_next_event+0x5a/0x90
[  675.356859]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.362424]  ? kvm_clock_read+0x18/0x30
[  675.366413]  ? kvm_sched_clock_read+0x9/0x20
[  675.370827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.376373]  ? check_preemption_disabled+0x48/0x280
[  675.381404]  irq_exit+0x17f/0x1c0
[  675.384864]  smp_apic_timer_interrupt+0x1cb/0x760
[  675.389710]  ? smp_reschedule_interrupt+0x109/0x650
[  675.394730]  ? smp_call_function_single_interrupt+0x650/0x650
[  675.400620]  ? interrupt_entry+0xb5/0xc0
[  675.404687]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.409704]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.414728]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.419577]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.424592]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.429607]  ? task_prio+0x50/0x50
[  675.433149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.438697]  ? check_preemption_disabled+0x48/0x280
[  675.443751]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.448606]  apic_timer_interrupt+0xf/0x20
[  675.452832]  </IRQ>
[  675.455080] RIP: 0010:dump_stack+0x358/0x39d
[  675.459493] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  675.478422] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  675.486147] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  675.493421] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  675.500693] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  675.507963] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  675.515231] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  675.522535]  ? dump_stack+0x34f/0x39d
[  675.526355]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.531554]  ? mark_held_locks+0x130/0x130
[  675.535792]  ? mark_held_locks+0x130/0x130
[  675.540034]  dump_header+0x27b/0xf72
[  675.543775]  ? pagefault_out_of_memory+0x197/0x197
[  675.548718]  ? __lock_acquire+0x62f/0x4c20
[  675.552955]  ? percpu_ref_get_many+0x240/0x240
[  675.557544]  ? print_usage_bug+0xc0/0xc0
[  675.561613]  ? zap_class+0x640/0x640
[  675.565340]  ? print_usage_bug+0xc0/0xc0
[  675.569402]  ? print_usage_bug+0xc0/0xc0
[  675.573465]  ? zap_class+0x640/0x640
[  675.577187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.582730]  ? find_held_lock+0x36/0x1c0
[  675.586805]  ? mark_held_locks+0xc7/0x130
[  675.590959]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.596069]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.601176]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  675.605762]  ? trace_hardirqs_on+0xbd/0x310
[  675.610091]  ? kasan_check_read+0x11/0x20
[  675.614240]  ? ___ratelimit+0x3b4/0x672
[  675.618227]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.623340]  ? trace_hardirqs_on+0x310/0x310
[  675.627755]  ? lock_downgrade+0x900/0x900
[  675.631918]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  675.637025]  ? ___ratelimit+0x3b9/0x672
[  675.641002]  ? idr_get_free+0xf70/0xf70
[  675.644977]  ? find_held_lock+0x36/0x1c0
[  675.649049]  oom_kill_process.cold.27+0x10/0x903
[  675.653807]  ? zap_class+0x640/0x640
[  675.657522]  ? check_preemption_disabled+0x48/0x280
[  675.662539]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.667472]  ? kasan_check_read+0x11/0x20
[  675.671621]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.676914]  ? oom_evaluate_task+0x540/0x540
[  675.681329]  ? find_held_lock+0x36/0x1c0
[  675.685400]  ? out_of_memory+0x974/0x1430
[  675.689549]  ? lock_downgrade+0x900/0x900
[  675.693698]  ? check_preemption_disabled+0x48/0x280
[  675.698719]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.703652]  ? kasan_check_read+0x11/0x20
[  675.707803]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.713083]  ? rcu_softirq_qs+0x20/0x20
[  675.717070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.722807]  ? oom_evaluate_task+0x302/0x540
[  675.727223]  out_of_memory+0xa84/0x1430
[  675.731216]  ? oom_killer_disable+0x3a0/0x3a0
[  675.735716]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  675.740651]  ? __ww_mutex_check_waiters+0x160/0x160
[  675.745683]  __alloc_pages_slowpath+0x2354/0x2e10
[  675.750560]  ? warn_alloc+0x120/0x120
[  675.754363]  ? mark_held_locks+0x130/0x130
[  675.758613]  ? find_get_entry+0xaae/0x1120
[  675.762859]  ? filemap_map_pages+0x1a20/0x1a20
[  675.767450]  ? zap_class+0x640/0x640
[  675.771174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.776718]  ? check_preemption_disabled+0x48/0x280
[  675.781740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.787291]  ? should_fail+0x22d/0xd01
[  675.791188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.796294]  ? zap_class+0x640/0x640
[  675.800034]  ? __lock_is_held+0xb5/0x140
[  675.804107]  ? mark_held_locks+0x130/0x130
[  675.808344]  ? lock_release+0xa00/0xa00
[  675.812321]  ? perf_trace_sched_process_exec+0x860/0x860
[  675.817779]  ? xa_load+0x2ba/0x460
[  675.821322]  ? lock_downgrade+0x900/0x900
[  675.825475]  ? __might_sleep+0x95/0x190
[  675.829458]  __alloc_pages_nodemask+0xa80/0xde0
[  675.834137]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  675.839155]  ? __page_cache_alloc+0x191/0x5c0
[  675.843652]  ? xa_load+0x2e1/0x460
[  675.847204]  ? xa_clear_mark+0x40/0x40
[  675.851095]  ? zap_class+0x640/0x640
[  675.854821]  ? zap_class+0x640/0x640
[  675.858539]  ? zap_class+0x640/0x640
[  675.862265]  ? __do_page_cache_readahead+0x663/0x810
[  675.867379]  ? find_held_lock+0x36/0x1c0
[  675.871447]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  675.876991]  alloc_pages_current+0x173/0x350
[  675.881410]  __page_cache_alloc+0x38c/0x5c0
[  675.885729]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.890662]  ? kasan_check_read+0x11/0x20
[  675.894807]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.900087]  ? generic_perform_write+0x6a0/0x6a0
[  675.904845]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.910384]  ? check_preemption_disabled+0x48/0x280
[  675.915407]  filemap_fault+0x1595/0x25f0
[  675.919481]  ? __lock_page_or_retry+0xa00/0xa00
[  675.924158]  ? mark_held_locks+0x130/0x130
[  675.928402]  ? filemap_map_pages+0xd6b/0x1a20
[  675.932897]  ? lock_downgrade+0x900/0x900
[  675.937052]  ? check_preemption_disabled+0x48/0x280
[  675.942079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.947011]  ? kasan_check_read+0x11/0x20
[  675.951158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.956433]  ? rcu_softirq_qs+0x20/0x20
[  675.960427]  ? filemap_map_pages+0xd92/0x1a20
[  675.964931]  ? print_usage_bug+0xc0/0xc0
[  675.969005]  ? find_get_entries_tag+0x1400/0x1400
[  675.973847]  ? __kasan_slab_free+0x102/0x150
[  675.978261]  ? kasan_slab_free+0xe/0x10
[  675.982237]  ? kmem_cache_free+0x83/0x290
[  675.986392]  ? __sigqueue_free.part.29+0x74/0x90
[  675.991169]  ? lock_acquire+0x1ed/0x520
[  675.995150]  ? ext4_filemap_fault+0x7a/0xad
[  675.999485]  ? lock_release+0xa00/0xa00
[  676.003458]  ? perf_trace_sched_process_exec+0x860/0x860
[  676.008911]  ? print_usage_bug+0xc0/0xc0
[  676.012973]  ? print_usage_bug+0xc0/0xc0
[  676.017051]  ? down_read+0x8d/0x120
[  676.020680]  ? ext4_filemap_fault+0x7a/0xad
[  676.025004]  ? __down_interruptible+0x700/0x700
[  676.029683]  ext4_filemap_fault+0x82/0xad
[  676.033834]  __do_fault+0x100/0x6b0
[  676.037469]  ? pmd_devmap_trans_unstable+0x220/0x220
[  676.042579]  ? mark_held_locks+0x130/0x130
[  676.046820]  ? mark_held_locks+0x130/0x130
[  676.051056]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  676.056599]  ? rcu_pm_notify+0xc0/0xc0
[  676.060494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.066041]  __handle_mm_fault+0x3ea6/0x5be0
[  676.070471]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  676.075317]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.079817]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  676.084405]  ? trace_hardirqs_on+0xbd/0x310
[  676.088730]  ? kasan_check_read+0x11/0x20
[  676.092876]  ? __set_current_blocked+0xdf/0x120
[  676.097553]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.102677]  ? zap_class+0x640/0x640
[  676.106393]  ? zap_class+0x640/0x640
[  676.110117]  ? find_held_lock+0x36/0x1c0
[  676.114196]  ? handle_mm_fault+0x42a/0xc70
[  676.118481]  ? lock_downgrade+0x900/0x900
[  676.122628]  ? check_preemption_disabled+0x48/0x280
[  676.127649]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  676.132577]  ? kasan_check_read+0x11/0x20
[  676.136728]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.142003]  ? rcu_softirq_qs+0x20/0x20
[  676.145979]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.151085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.156627]  ? check_preemption_disabled+0x48/0x280
[  676.161657]  handle_mm_fault+0x54f/0xc70
[  676.165726]  ? __handle_mm_fault+0x5be0/0x5be0
[  676.170315]  ? find_vma+0x34/0x190
[  676.173862]  __do_page_fault+0x5e8/0xe60
[  676.177928]  ? exit_to_usermode_loop+0x1f4/0x380
[  676.182698]  do_page_fault+0xf2/0x7e0
[  676.186498]  ? vmalloc_sync_all+0x30/0x30
[  676.190645]  ? error_entry+0x70/0xd0
[  676.194364]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.199381]  ? trace_hardirqs_on_caller+0xc0/0x310
[  676.204313]  ? syscall_return_slowpath+0x5e0/0x5e0
[  676.209242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.214096]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.219114]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  676.224570]  ? prepare_exit_to_usermode+0x291/0x3b0
[  676.229584]  ? page_fault+0x8/0x30
[  676.233127]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.237974]  ? page_fault+0x8/0x30
[  676.241518]  page_fault+0x1e/0x30
[  676.244967] RIP: 0033:0x45db60
[  676.248170] Code: Bad RIP value.
[  676.251530] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  676.256891] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  676.264158] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  676.271423] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  676.278688] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  676.285953] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  676.293242] warn_alloc_show_mem: 1 callbacks suppressed
[  676.293263] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  676.293265] Mem-Info:
[  676.293278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  676.298642] active_anon:45842 inactive_anon:131 isolated_anon:0
[  676.298642]  active_file:10 inactive_file:14 isolated_file:0
[  676.298642]  unevictable:0 dirty:0 writeback:0 unstable:0
[  676.298642]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  676.298642]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  676.298642]  free:13767 free_pcp:218 free_cma:0
[  676.305543] Call Trace:
[  676.307963] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  676.317333]  <IRQ>
[  676.350194] 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
[  676.352775]  dump_stack+0x244/0x39d
[  676.380239] lowmem_reserve[]: 0 2818 6321 6321
[  676.382412]  ? dump_stack_print_info.cold.1+0x20/0x20
[  676.408493] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  676.412129]  warn_alloc.cold.116+0xb7/0x1bd
[  676.416668] lowmem_reserve[]: 0 0 3503 3503
[  676.421859]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  676.449156] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  676.453474]  ? lock_downgrade+0x900/0x900
[  676.457770] lowmem_reserve[]: 0 0 0 0
[  676.462614]  ? trace_hardirqs_off+0xb8/0x310
[  676.491473] 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
[  676.495623]  ? trace_hardirqs_off+0xb8/0x310
[  676.499390] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  676.503801]  __alloc_pages_slowpath+0x26e8/0x2e10
[  676.517294] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  676.521719]  ? warn_alloc+0x120/0x120
[  676.536932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  676.541768]  ? warn_alloc+0x120/0x120
[  676.556573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  676.560362]  ? warn_alloc+0x120/0x120
[  676.569170] 162 total pagecache pages
[  676.572966]  ? print_usage_bug+0xc0/0xc0
[  676.581520] 0 pages in swap cache
[  676.585307]  ? print_usage_bug+0xc0/0xc0
[  676.589089] Swap cache stats: add 0, delete 0, find 0/0
[  676.593142]  ? ktime_get+0x2c1/0x400
[  676.596574] Free swap  = 0kB
[  676.600627]  ? check_preemption_disabled+0x48/0x280
[  676.605962] Total swap = 0kB
[  676.609667]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  676.612659] 1965979 pages RAM
[  676.617671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.620665] 0 pages HighMem/MovableOnly
[  676.625156]  ? should_fail+0x22d/0xd01
[  676.628235] 342855 pages reserved
[  676.633785]  ? kasan_check_read+0x11/0x20
[  676.637729] 0 pages cma reserved
[  676.641620]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.645106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  676.649181]  ? __lock_acquire+0x62f/0x4c20
[  676.649199]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.649214]  ? should_fail+0x22d/0xd01
[  676.652617] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.657659]  ? print_usage_bug+0xc0/0xc0
[  676.664146] syz-fuzzer cpuset=/ mems_allowed=0
[  676.668382]  ? mark_held_locks+0x130/0x130
[  676.700373]  ? mark_held_locks+0x130/0x130
[  676.704614]  ? check_preemption_disabled+0x48/0x280
[  676.709639]  ? zap_class+0x640/0x640
[  676.713361]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  676.718120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.723660]  ? check_preemption_disabled+0x48/0x280
[  676.728687]  ? __lock_is_held+0xb5/0x140
[  676.732760]  __alloc_pages_nodemask+0xa80/0xde0
[  676.737428]  ? zap_class+0x640/0x640
[  676.741146]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  676.746174]  ? find_held_lock+0x36/0x1c0
[  676.750245]  ? ____cache_alloc_node+0x1c7/0x1e0
[  676.754930]  ? lock_downgrade+0x900/0x900
[  676.759090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.764635]  cache_grow_begin+0xa5/0x8c0
[  676.768697]  ? do_raw_spin_unlock+0xa7/0x330
[  676.773111]  fallback_alloc+0x204/0x2e0
[  676.777095]  ____cache_alloc_node+0x1c7/0x1e0
[  676.781598]  kmem_cache_alloc_node+0xe3/0x730
[  676.786107]  __alloc_skb+0x119/0x770
[  676.789824]  ? retint_kernel+0x2d/0x2d
[  676.793716]  ? netdev_alloc_frag+0x1f0/0x1f0
[  676.798137]  ? vprintk_default+0x28/0x30
[  676.802196]  ? vprintk_func+0x85/0x181
[  676.806083]  ? printk+0xa7/0xcf
[  676.809368]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  676.814130]  ? do_raw_spin_trylock+0x270/0x270
[  676.818717]  new_skb+0x26/0x1c0
[  676.821995]  aoecmd_cfg+0x279/0x7f0
[  676.825625]  ? find_held_lock+0x36/0x1c0
[  676.829689]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  676.834017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.839567]  ? __lock_is_held+0xb5/0x140
[  676.843642]  discover_timer+0x50/0x60
[  676.847445]  call_timer_fn+0x272/0x920
[  676.851334]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  676.856381]  ? process_timeout+0x40/0x40
[  676.860455]  ? __run_timers+0x7da/0xc70
[  676.864437]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.868936]  ? _raw_spin_unlock_irq+0x27/0x80
[  676.873432]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  676.878288]  ? lockdep_hardirqs_on+0x296/0x5b0
[  676.882874]  ? trace_hardirqs_on+0xbd/0x310
[  676.887194]  ? kasan_check_read+0x11/0x20
[  676.891340]  ? __run_timers+0x7da/0xc70
[  676.895317]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.900433]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  676.905281]  __run_timers+0x7e5/0xc70
[  676.909094]  ? timer_fixup_init+0x70/0x70
[  676.913246]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  676.918299]  ? zap_class+0x640/0x640
[  676.922020]  ? enqueue_hrtimer+0x1a5/0x560
[  676.926264]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  676.931474]  ? find_held_lock+0x36/0x1c0
[  676.935543]  ? zap_class+0x640/0x640
[  676.939275]  ? pvclock_read_flags+0x160/0x160
[  676.943773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.949311]  ? check_preemption_disabled+0x48/0x280
[  676.954341]  ? __lock_is_held+0xb5/0x140
[  676.958405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.963944]  ? check_preemption_disabled+0x48/0x280
[  676.968972]  run_timer_softirq+0x52/0xb0
[  676.973034]  ? rcu_read_lock_sched_held+0x14f/0x180
[  676.978053]  __do_softirq+0x308/0xb7e
[  676.981861]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  676.986356]  ? lock_downgrade+0x900/0x900
[  676.990512]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  676.995627]  ? pvclock_read_flags+0x160/0x160
[  677.000123]  ? lapic_next_event+0x5a/0x90
[  677.004288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.009831]  ? kvm_clock_read+0x18/0x30
[  677.013808]  ? kvm_sched_clock_read+0x9/0x20
[  677.018218]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.023755]  ? check_preemption_disabled+0x48/0x280
[  677.028779]  irq_exit+0x17f/0x1c0
[  677.032231]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.037084]  ? smp_call_function_single_interrupt+0x159/0x650
[  677.042966]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.048852]  ? interrupt_entry+0xb5/0xc0
[  677.052913]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.057931]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.062953]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.067795]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.072808]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.077826]  ? task_prio+0x50/0x50
[  677.081369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.086942]  ? check_preemption_disabled+0x48/0x280
[  677.091966]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.096816]  apic_timer_interrupt+0xf/0x20
[  677.101045]  </IRQ>
[  677.103297] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  677.108225] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  677.127141] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  677.134849] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  677.142119] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  677.149388] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  677.156655] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  677.163919] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  677.171231]  skb_clone+0x1bb/0x500
[  677.174783]  ? finish_task_switch+0x2f4/0x910
[  677.179296]  ? skb_split+0x11e0/0x11e0
[  677.183187]  ? preempt_notifier_register+0x200/0x200
[  677.188300]  ? __switch_to_asm+0x34/0x70
[  677.192363]  ? __switch_to_asm+0x34/0x70
[  677.196427]  ? __switch_to_asm+0x40/0x70
[  677.200488]  ? __switch_to_asm+0x34/0x70
[  677.204548]  ? __switch_to_asm+0x40/0x70
[  677.208609]  ? __switch_to_asm+0x34/0x70
[  677.212671]  ? __switch_to_asm+0x40/0x70
[  677.216750]  ? __switch_to_asm+0x34/0x70
[  677.220817]  ? __switch_to_asm+0x34/0x70
[  677.224876]  ? __switch_to_asm+0x40/0x70
[  677.228934]  ? __switch_to_asm+0x34/0x70
[  677.233010]  bpf_clone_redirect+0xb9/0x490
[  677.237245]  ? __schedule+0x8d7/0x21d0
[  677.241155]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  677.246172]  ? __sched_text_start+0x8/0x8
[  677.250328]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  677.254910]  ? retint_kernel+0x2d/0x2d
[  677.258803]  ? trace_hardirqs_on_caller+0xc0/0x310
[  677.263741]  ? find_held_lock+0x36/0x1c0
[  677.267814]  ? lock_acquire+0x1ed/0x520
[  677.271788]  ? bpf_test_run+0x3cb/0x780
[  677.275763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.281333]  ? check_preemption_disabled+0x48/0x280
[  677.286355]  ? kasan_check_read+0x11/0x20
[  677.290506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.295781]  ? rcu_softirq_qs+0x20/0x20
[  677.299763]  ? preempt_schedule+0x4d/0x60
[  677.303916]  ? ___preempt_schedule+0x16/0x18
[  677.308332]  ? bpf_test_run+0x25d/0x780
[  677.312323]  ? netlink_diag_dump+0x2a0/0x2a0
[  677.316740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.322285]  ? bpf_test_init.isra.10+0x70/0x100
[  677.326959]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  677.331727]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.336570]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  677.342107]  ? fput+0x130/0x1a0
[  677.345390]  ? __bpf_prog_get+0x9b/0x290
[  677.349452]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.354299]  ? bpf_prog_test_run+0x130/0x1a0
[  677.358713]  ? __x64_sys_bpf+0x3d8/0x520
[  677.362777]  ? bpf_prog_get+0x20/0x20
[  677.366605]  ? do_syscall_64+0x1b9/0x820
[  677.370669]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  677.376042]  ? syscall_return_slowpath+0x5e0/0x5e0
[  677.380974]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.385993]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  677.391010]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  677.397675]  ? __switch_to_asm+0x40/0x70
[  677.401739]  ? __switch_to_asm+0x34/0x70
[  677.405806]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.410660]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  677.416045] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  677.416113] aoe: skb alloc failure
[  677.422623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  677.422631] Call Trace:
[  677.426218] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  677.435502]  <IRQ>
[  677.438070] syz-executor3 cpuset=syz3 mems_allowed=0
[  677.448545]  dump_stack+0x244/0x39d
[  677.459383]  ? dump_stack_print_info.cold.1+0x20/0x20
[  677.464585]  warn_alloc.cold.116+0xb7/0x1bd
[  677.468913]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  677.473761]  ? lock_downgrade+0x900/0x900
[  677.477929]  ? trace_hardirqs_off+0xb8/0x310
[  677.482350]  ? trace_hardirqs_off+0xb8/0x310
[  677.486774]  __alloc_pages_slowpath+0x26e8/0x2e10
[  677.491653]  ? warn_alloc+0x120/0x120
[  677.495463]  ? print_usage_bug+0xc0/0xc0
[  677.499529]  ? warn_alloc+0x120/0x120
[  677.503334]  ? warn_alloc+0x120/0x120
[  677.507139]  ? print_usage_bug+0xc0/0xc0
[  677.511204]  ? print_usage_bug+0xc0/0xc0
[  677.515273]  ? __lock_acquire+0x62f/0x4c20
[  677.519518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.525057]  ? should_fail+0x22d/0xd01
[  677.528948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.534053]  ? __lock_acquire+0x62f/0x4c20
[  677.538300]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.543403]  ? __lock_acquire+0x62f/0x4c20
[  677.547633]  ? should_fail+0x22d/0xd01
[  677.551518]  ? find_held_lock+0x36/0x1c0
[  677.555592]  ? mark_held_locks+0x130/0x130
[  677.559832]  ? mark_held_locks+0x130/0x130
[  677.564063]  ? zap_class+0x640/0x640
[  677.567784]  ? zap_class+0x640/0x640
[  677.571506]  ? print_usage_bug+0xc0/0xc0
[  677.575565]  ? do_raw_spin_unlock+0xa7/0x330
[  677.579972]  ? zap_class+0x640/0x640
[  677.583690]  ? print_usage_bug+0xc0/0xc0
[  677.587750]  ? wq_watchdog_touch+0x9c/0xfe
[  677.591991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.597529]  ? check_preemption_disabled+0x48/0x280
[  677.602555]  ? __lock_is_held+0xb5/0x140
[  677.606623]  __alloc_pages_nodemask+0xa80/0xde0
[  677.611291]  ? zap_class+0x640/0x640
[  677.615019]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  677.620051]  ? find_held_lock+0x36/0x1c0
[  677.624127]  ? ____cache_alloc_node+0x1c7/0x1e0
[  677.628804]  ? lock_downgrade+0x900/0x900
[  677.632964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.638513]  cache_grow_begin+0xa5/0x8c0
[  677.642579]  ? do_raw_spin_unlock+0xa7/0x330
[  677.646998]  fallback_alloc+0x204/0x2e0
[  677.650999]  ____cache_alloc_node+0x1c7/0x1e0
[  677.655507]  kmem_cache_alloc_node+0xe3/0x730
[  677.660005]  ? ipv6_get_ifaddr+0x42e/0x620
[  677.664267]  __alloc_skb+0x119/0x770
[  677.668008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.673310]  ? netdev_alloc_frag+0x1f0/0x1f0
[  677.677732]  ? lock_downgrade+0x900/0x900
[  677.681903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.687472]  ? refcount_sub_and_test_checked+0x203/0x310
[  677.692943]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  677.698411]  ? addrconf_rs_timer+0x690/0x690
[  677.702847]  ndisc_alloc_skb+0x144/0x340
[  677.706925]  ndisc_send_rs+0x331/0x6e0
[  677.710826]  addrconf_rs_timer+0x314/0x690
[  677.715073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.719325]  call_timer_fn+0x272/0x920
[  677.723474]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.727712]  ? process_timeout+0x40/0x40
[  677.731796]  ? mark_held_locks+0xc7/0x130
[  677.735950]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.740447]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.744946]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.749182]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.753778]  ? trace_hardirqs_on+0xbd/0x310
[  677.758102]  ? kasan_check_read+0x11/0x20
[  677.762253]  ? __run_timers+0x7da/0xc70
[  677.766240]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.771365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.775604]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.779842]  __run_timers+0x7e5/0xc70
[  677.783657]  ? timer_fixup_init+0x70/0x70
[  677.787833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  677.792857]  ? zap_class+0x640/0x640
[  677.796586]  ? print_usage_bug+0xc0/0xc0
[  677.800653]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  677.805855]  ? find_held_lock+0x36/0x1c0
[  677.809925]  ? zap_class+0x640/0x640
[  677.813650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.819196]  ? check_preemption_disabled+0x48/0x280
[  677.824236]  ? __lock_is_held+0xb5/0x140
[  677.828318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.833863]  ? check_preemption_disabled+0x48/0x280
[  677.838893]  run_timer_softirq+0x52/0xb0
[  677.842960]  ? rcu_read_lock_sched_held+0x14f/0x180
[  677.847983]  __do_softirq+0x308/0xb7e
[  677.851797]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.856299]  ? lock_downgrade+0x900/0x900
[  677.860457]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  677.865573]  ? pvclock_read_flags+0x160/0x160
[  677.870075]  ? lapic_next_event+0x5a/0x90
[  677.874229]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.879788]  ? kvm_clock_read+0x18/0x30
[  677.883764]  ? kvm_sched_clock_read+0x9/0x20
[  677.888185]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.893730]  ? check_preemption_disabled+0x48/0x280
[  677.898761]  irq_exit+0x17f/0x1c0
[  677.902226]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.907073]  ? smp_reschedule_interrupt+0x109/0x650
[  677.912096]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.917985]  ? interrupt_entry+0xb5/0xc0
[  677.922052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.927071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.932093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.936939]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.941959]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.946976]  ? task_prio+0x50/0x50
[  677.950524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.956067]  ? check_preemption_disabled+0x48/0x280
[  677.961094]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.965951]  apic_timer_interrupt+0xf/0x20
[  677.970185]  </IRQ>
[  677.972428] RIP: 0010:dump_stack+0x358/0x39d
[  677.976843] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  677.995752] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  678.003481] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  678.010758] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  678.018041] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  678.025312] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  678.032586] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  678.039887]  ? dump_stack+0x34f/0x39d
[  678.043709]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.048906]  ? mark_held_locks+0x130/0x130
[  678.053143]  ? mark_held_locks+0x130/0x130
[  678.057388]  dump_header+0x27b/0xf72
[  678.061119]  ? pagefault_out_of_memory+0x197/0x197
[  678.066059]  ? __lock_acquire+0x62f/0x4c20
[  678.070314]  ? percpu_ref_get_many+0x240/0x240
[  678.074905]  ? print_usage_bug+0xc0/0xc0
[  678.078972]  ? zap_class+0x640/0x640
[  678.082689]  ? print_usage_bug+0xc0/0xc0
[  678.086747]  ? print_usage_bug+0xc0/0xc0
[  678.090817]  ? zap_class+0x640/0x640
[  678.094538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.100080]  ? find_held_lock+0x36/0x1c0
[  678.104151]  ? mark_held_locks+0xc7/0x130
[  678.108312]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.113418]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.118523]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  678.123111]  ? trace_hardirqs_on+0xbd/0x310
[  678.127437]  ? kasan_check_read+0x11/0x20
[  678.131587]  ? ___ratelimit+0x3b4/0x672
[  678.135565]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.140671]  ? trace_hardirqs_on+0x310/0x310
[  678.145082]  ? lock_downgrade+0x900/0x900
[  678.149239]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  678.154352]  ? ___ratelimit+0x3b9/0x672
[  678.158330]  ? idr_get_free+0xf70/0xf70
[  678.162307]  ? find_held_lock+0x36/0x1c0
[  678.166379]  oom_kill_process.cold.27+0x10/0x903
[  678.171144]  ? zap_class+0x640/0x640
[  678.174865]  ? check_preemption_disabled+0x48/0x280
[  678.179891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.184821]  ? kasan_check_read+0x11/0x20
[  678.188972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.194265]  ? oom_evaluate_task+0x540/0x540
[  678.198679]  ? find_held_lock+0x36/0x1c0
[  678.202749]  ? out_of_memory+0x974/0x1430
[  678.206904]  ? lock_downgrade+0x900/0x900
[  678.211056]  ? check_preemption_disabled+0x48/0x280
[  678.216076]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.221012]  ? kasan_check_read+0x11/0x20
[  678.225161]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.230440]  ? rcu_softirq_qs+0x20/0x20
[  678.234428]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.239964]  ? oom_evaluate_task+0x302/0x540
[  678.244381]  out_of_memory+0xa84/0x1430
[  678.248370]  ? oom_killer_disable+0x3a0/0x3a0
[  678.252867]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  678.257806]  ? __ww_mutex_check_waiters+0x160/0x160
[  678.262837]  __alloc_pages_slowpath+0x2354/0x2e10
[  678.267718]  ? warn_alloc+0x120/0x120
[  678.271522]  ? mark_held_locks+0x130/0x130
[  678.275770]  ? find_get_entry+0xaae/0x1120
[  678.280020]  ? filemap_map_pages+0x1a20/0x1a20
[  678.284608]  ? zap_class+0x640/0x640
[  678.288332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.293875]  ? check_preemption_disabled+0x48/0x280
[  678.298894]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.304436]  ? should_fail+0x22d/0xd01
[  678.308334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.313446]  ? zap_class+0x640/0x640
[  678.317188]  ? __lock_is_held+0xb5/0x140
[  678.321275]  ? mark_held_locks+0x130/0x130
[  678.325521]  ? lock_release+0xa00/0xa00
[  678.329521]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.334998]  ? xa_load+0x2ba/0x460
[  678.338545]  ? lock_downgrade+0x900/0x900
[  678.342703]  ? __might_sleep+0x95/0x190
[  678.346685]  __alloc_pages_nodemask+0xa80/0xde0
[  678.351370]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  678.356389]  ? __page_cache_alloc+0x191/0x5c0
[  678.360887]  ? xa_load+0x2e1/0x460
[  678.364432]  ? xa_clear_mark+0x40/0x40
[  678.368325]  ? zap_class+0x640/0x640
[  678.372051]  ? zap_class+0x640/0x640
[  678.375764]  ? zap_class+0x640/0x640
[  678.379490]  ? __do_page_cache_readahead+0x663/0x810
[  678.384602]  ? find_held_lock+0x36/0x1c0
[  678.388673]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  678.394220]  alloc_pages_current+0x173/0x350
[  678.398648]  __page_cache_alloc+0x38c/0x5c0
[  678.402972]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.407901]  ? kasan_check_read+0x11/0x20
[  678.412056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.417344]  ? generic_perform_write+0x6a0/0x6a0
[  678.422102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.427644]  ? check_preemption_disabled+0x48/0x280
[  678.432676]  filemap_fault+0x1595/0x25f0
[  678.436757]  ? __lock_page_or_retry+0xa00/0xa00
[  678.441439]  ? mark_held_locks+0x130/0x130
[  678.445684]  ? filemap_map_pages+0xd6b/0x1a20
[  678.450181]  ? lock_downgrade+0x900/0x900
[  678.454334]  ? check_preemption_disabled+0x48/0x280
[  678.459352]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.464299]  ? kasan_check_read+0x11/0x20
[  678.468449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.473724]  ? rcu_softirq_qs+0x20/0x20
[  678.477714]  ? filemap_map_pages+0xd92/0x1a20
[  678.482214]  ? print_usage_bug+0xc0/0xc0
[  678.486287]  ? find_get_entries_tag+0x1400/0x1400
[  678.491134]  ? __kasan_slab_free+0x102/0x150
[  678.495541]  ? kasan_slab_free+0xe/0x10
[  678.499513]  ? kmem_cache_free+0x83/0x290
[  678.503661]  ? __sigqueue_free.part.29+0x74/0x90
[  678.508446]  ? lock_acquire+0x1ed/0x520
[  678.512422]  ? ext4_filemap_fault+0x7a/0xad
[  678.516755]  ? lock_release+0xa00/0xa00
[  678.520733]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.526192]  ? print_usage_bug+0xc0/0xc0
[  678.530267]  ? print_usage_bug+0xc0/0xc0
[  678.534345]  ? down_read+0x8d/0x120
[  678.537970]  ? ext4_filemap_fault+0x7a/0xad
[  678.542295]  ? __down_interruptible+0x700/0x700
[  678.546976]  ext4_filemap_fault+0x82/0xad
[  678.551128]  __do_fault+0x100/0x6b0
[  678.554761]  ? pmd_devmap_trans_unstable+0x220/0x220
[  678.559879]  ? mark_held_locks+0x130/0x130
[  678.564120]  ? mark_held_locks+0x130/0x130
[  678.568361]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  678.573907]  ? rcu_pm_notify+0xc0/0xc0
[  678.577810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.583354]  __handle_mm_fault+0x3ea6/0x5be0
[  678.587783]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  678.592626]  ? _raw_spin_unlock_irq+0x27/0x80
[  678.597129]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  678.601716]  ? trace_hardirqs_on+0xbd/0x310
[  678.606042]  ? kasan_check_read+0x11/0x20
[  678.610191]  ? __set_current_blocked+0xdf/0x120
[  678.614864]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.619984]  ? zap_class+0x640/0x640
[  678.623694]  ? zap_class+0x640/0x640
[  678.627415]  ? find_held_lock+0x36/0x1c0
[  678.631490]  ? handle_mm_fault+0x42a/0xc70
[  678.635730]  ? lock_downgrade+0x900/0x900
[  678.639880]  ? check_preemption_disabled+0x48/0x280
[  678.644898]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.649828]  ? kasan_check_read+0x11/0x20
[  678.653979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.659266]  ? rcu_softirq_qs+0x20/0x20
[  678.663242]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.668356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.673895]  ? check_preemption_disabled+0x48/0x280
[  678.678926]  handle_mm_fault+0x54f/0xc70
[  678.682995]  ? __handle_mm_fault+0x5be0/0x5be0
[  678.687585]  ? find_vma+0x34/0x190
[  678.691131]  __do_page_fault+0x5e8/0xe60
[  678.695195]  ? exit_to_usermode_loop+0x1f4/0x380
[  678.699969]  do_page_fault+0xf2/0x7e0
[  678.703780]  ? vmalloc_sync_all+0x30/0x30
[  678.707933]  ? error_entry+0x70/0xd0
[  678.711654]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.716674]  ? trace_hardirqs_on_caller+0xc0/0x310
[  678.721605]  ? syscall_return_slowpath+0x5e0/0x5e0
[  678.726538]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.731388]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.736404]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  678.741862]  ? prepare_exit_to_usermode+0x291/0x3b0
[  678.746878]  ? page_fault+0x8/0x30
[  678.750425]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.755280]  ? page_fault+0x8/0x30
[  678.758823]  page_fault+0x1e/0x30
[  678.762282] RIP: 0033:0x45db60
[  678.765491] Code: Bad RIP value.
[  678.768852] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  678.774211] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  678.781480] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  678.788749] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  678.796031] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  678.803302] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  678.810599] warn_alloc_show_mem: 1 callbacks suppressed
[  678.810612] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  678.810614] Mem-Info:
[  678.810645] active_anon:45842 inactive_anon:131 isolated_anon:0
[  678.810645]  active_file:10 inactive_file:14 isolated_file:0
[  678.810645]  unevictable:0 dirty:0 writeback:0 unstable:0
[  678.810645]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  678.810645]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  678.810645]  free:13767 free_pcp:218 free_cma:0
[  678.815980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  678.815989] Call Trace:
[  678.822923] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  678.825323]  <IRQ>
[  678.858662] 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
[  678.868024]  dump_stack+0x244/0x39d
[  678.870581] lowmem_reserve[]: 0 2818 6321 6321
[  678.898094]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.900216] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  678.926360]  warn_alloc.cold.116+0xb7/0x1bd
[  678.929955] lowmem_reserve[]: 0 0 3503 3503
[  678.934531]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  678.939699] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  678.967034]  ? lock_downgrade+0x900/0x900
[  678.971333] lowmem_reserve[]: 0 0 0 0
[  678.975657]  ? trace_hardirqs_off+0xb8/0x310
[  678.980471] 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
[  679.009369]  ? trace_hardirqs_off+0xb8/0x310
[  679.013495] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  679.017311]  __alloc_pages_slowpath+0x26e8/0x2e10
[  679.021683] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  679.035228]  ? warn_alloc+0x120/0x120
[  679.039589] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  679.054844]  ? warn_alloc+0x120/0x120
[  679.059665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  679.074484]  ? warn_alloc+0x120/0x120
[  679.078268] 162 total pagecache pages
[  679.087104]  ? print_usage_bug+0xc0/0xc0
[  679.090887] 0 pages in swap cache
[  679.099448]  ? print_usage_bug+0xc0/0xc0
[  679.103223] Swap cache stats: add 0, delete 0, find 0/0
[  679.107016]  ? ktime_get+0x2c1/0x400
[  679.111050] Free swap  = 0kB
[  679.114502]  ? check_preemption_disabled+0x48/0x280
[  679.118534] Total swap = 0kB
[  679.123888]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.127576] 1965979 pages RAM
[  679.130595]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.135582] 0 pages HighMem/MovableOnly
[  679.138593]  ? should_fail+0x22d/0xd01
[  679.143067] 342855 pages reserved
[  679.146173]  ? kasan_check_read+0x11/0x20
[  679.151684] 0 pages cma reserved
[  679.155657]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.159581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  679.162970]  ? __lock_acquire+0x62f/0x4c20
[  679.167213] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.170459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.175545] syz-fuzzer cpuset=/ mems_allowed=0
[  679.182033]  ? should_fail+0x22d/0xd01
[  679.209996]  ? print_usage_bug+0xc0/0xc0
[  679.214075]  ? mark_held_locks+0x130/0x130
[  679.218314]  ? mark_held_locks+0x130/0x130
[  679.222551]  ? check_preemption_disabled+0x48/0x280
[  679.227579]  ? zap_class+0x640/0x640
[  679.231304]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  679.236070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.241613]  ? check_preemption_disabled+0x48/0x280
[  679.246640]  ? __lock_is_held+0xb5/0x140
[  679.250709]  __alloc_pages_nodemask+0xa80/0xde0
[  679.255382]  ? zap_class+0x640/0x640
[  679.259103]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  679.264134]  ? find_held_lock+0x36/0x1c0
[  679.268209]  ? ____cache_alloc_node+0x1c7/0x1e0
[  679.272883]  ? lock_downgrade+0x900/0x900
[  679.277045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.282588]  cache_grow_begin+0xa5/0x8c0
[  679.286649]  ? do_raw_spin_unlock+0xa7/0x330
[  679.291070]  fallback_alloc+0x204/0x2e0
[  679.295052]  ____cache_alloc_node+0x1c7/0x1e0
[  679.299557]  kmem_cache_alloc_node+0xe3/0x730
[  679.304066]  __alloc_skb+0x119/0x770
[  679.307781]  ? retint_kernel+0x2d/0x2d
[  679.311672]  ? netdev_alloc_frag+0x1f0/0x1f0
[  679.316090]  ? vprintk_default+0x28/0x30
[  679.320157]  ? vprintk_func+0x85/0x181
[  679.324046]  ? printk+0xa7/0xcf
[  679.327332]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  679.332093]  ? do_raw_spin_trylock+0x270/0x270
[  679.336680]  new_skb+0x26/0x1c0
[  679.339960]  aoecmd_cfg+0x279/0x7f0
[  679.343589]  ? find_held_lock+0x36/0x1c0
[  679.347657]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  679.351990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.357542]  ? __lock_is_held+0xb5/0x140
[  679.361618]  discover_timer+0x50/0x60
[  679.365421]  call_timer_fn+0x272/0x920
[  679.369308]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.374149]  ? process_timeout+0x40/0x40
[  679.378219]  ? __run_timers+0x7da/0xc70
[  679.382199]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.386697]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.391191]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.396039]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.400623]  ? trace_hardirqs_on+0xbd/0x310
[  679.404944]  ? kasan_check_read+0x11/0x20
[  679.409090]  ? __run_timers+0x7da/0xc70
[  679.413070]  ? trace_hardirqs_off_caller+0x310/0x310
[  679.418188]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.423032]  __run_timers+0x7e5/0xc70
[  679.426845]  ? timer_fixup_init+0x70/0x70
[  679.430996]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.436014]  ? zap_class+0x640/0x640
[  679.439732]  ? enqueue_hrtimer+0x1a5/0x560
[  679.443968]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  679.449167]  ? find_held_lock+0x36/0x1c0
[  679.453232]  ? zap_class+0x640/0x640
[  679.456965]  ? pvclock_read_flags+0x160/0x160
[  679.461462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.467005]  ? check_preemption_disabled+0x48/0x280
[  679.472032]  ? __lock_is_held+0xb5/0x140
[  679.476094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.481631]  ? check_preemption_disabled+0x48/0x280
[  679.486655]  run_timer_softirq+0x52/0xb0
[  679.490981]  ? rcu_read_lock_sched_held+0x14f/0x180
[  679.496027]  __do_softirq+0x308/0xb7e
[  679.499834]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.504329]  ? lock_downgrade+0x900/0x900
[  679.508480]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  679.513594]  ? pvclock_read_flags+0x160/0x160
[  679.518092]  ? lapic_next_event+0x5a/0x90
[  679.522246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.527805]  ? kvm_clock_read+0x18/0x30
[  679.531781]  ? kvm_sched_clock_read+0x9/0x20
[  679.536199]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.541741]  ? check_preemption_disabled+0x48/0x280
[  679.546771]  irq_exit+0x17f/0x1c0
[  679.550230]  smp_apic_timer_interrupt+0x1cb/0x760
[  679.555089]  ? smp_call_function_single_interrupt+0x159/0x650
[  679.560980]  ? smp_call_function_single_interrupt+0x650/0x650
[  679.566871]  ? interrupt_entry+0xb5/0xc0
[  679.570935]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.575950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.580969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.585812]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.590832]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.595850]  ? task_prio+0x50/0x50
[  679.599391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.604931]  ? check_preemption_disabled+0x48/0x280
[  679.609960]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.614812]  apic_timer_interrupt+0xf/0x20
[  679.619040]  </IRQ>
[  679.621305] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  679.626238] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  679.645177] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  679.652888] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  679.660154] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  679.667427] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  679.674695] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  679.681969] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  679.689302]  skb_clone+0x1bb/0x500
[  679.692851]  ? finish_task_switch+0x2f4/0x910
[  679.697346]  ? skb_split+0x11e0/0x11e0
[  679.701234]  ? preempt_notifier_register+0x200/0x200
[  679.706359]  ? __switch_to_asm+0x34/0x70
[  679.710425]  ? __switch_to_asm+0x34/0x70
[  679.714487]  ? __switch_to_asm+0x40/0x70
[  679.718545]  ? __switch_to_asm+0x34/0x70
[  679.723071]  ? __switch_to_asm+0x40/0x70
[  679.727132]  ? __switch_to_asm+0x34/0x70
[  679.731195]  ? __switch_to_asm+0x40/0x70
[  679.735255]  ? __switch_to_asm+0x34/0x70
[  679.739342]  ? __switch_to_asm+0x34/0x70
[  679.743400]  ? __switch_to_asm+0x40/0x70
[  679.747461]  ? __switch_to_asm+0x34/0x70
[  679.751536]  bpf_clone_redirect+0xb9/0x490
[  679.755774]  ? __schedule+0x8d7/0x21d0
[  679.759668]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  679.764686]  ? __sched_text_start+0x8/0x8
[  679.768837]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  679.773418]  ? retint_kernel+0x2d/0x2d
[  679.777307]  ? trace_hardirqs_on_caller+0xc0/0x310
[  679.782244]  ? find_held_lock+0x36/0x1c0
[  679.786329]  ? lock_acquire+0x1ed/0x520
[  679.790306]  ? bpf_test_run+0x3cb/0x780
[  679.794293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.799834]  ? check_preemption_disabled+0x48/0x280
[  679.804860]  ? kasan_check_read+0x11/0x20
[  679.809008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.814298]  ? rcu_softirq_qs+0x20/0x20
[  679.818285]  ? preempt_schedule+0x4d/0x60
[  679.822436]  ? ___preempt_schedule+0x16/0x18
[  679.826854]  ? bpf_test_run+0x25d/0x780
[  679.830843]  ? netlink_diag_dump+0x2a0/0x2a0
[  679.835274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.840815]  ? bpf_test_init.isra.10+0x70/0x100
[  679.845494]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  679.850278]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.855130]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  679.860669]  ? fput+0x130/0x1a0
[  679.863961]  ? __bpf_prog_get+0x9b/0x290
[  679.868029]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  679.872869]  ? bpf_prog_test_run+0x130/0x1a0
[  679.877294]  ? __x64_sys_bpf+0x3d8/0x520
[  679.881359]  ? bpf_prog_get+0x20/0x20
[  679.885182]  ? do_syscall_64+0x1b9/0x820
[  679.889249]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  679.894629]  ? syscall_return_slowpath+0x5e0/0x5e0
[  679.899562]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.904583]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  679.909602]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  679.916285]  ? __switch_to_asm+0x40/0x70
[  679.920348]  ? __switch_to_asm+0x34/0x70
[  679.924419]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.929282]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  679.934666] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  679.934735] aoe: skb alloc failure
[  679.941251] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  679.941264] Call Trace:
[  679.941272]  <IRQ>
[  679.941290]  dump_stack+0x244/0x39d
[  679.941309]  ? dump_stack_print_info.cold.1+0x20/0x20
[  679.941336]  warn_alloc.cold.116+0xb7/0x1bd
[  679.944882] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.954209]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  679.956767] syz-executor3 cpuset=syz3 mems_allowed=0
[  679.958918]  ? lock_downgrade+0x900/0x900
[  679.996543]  ? trace_hardirqs_off+0xb8/0x310
[  680.000959]  ? trace_hardirqs_off+0xb8/0x310
[  680.005392]  __alloc_pages_slowpath+0x26e8/0x2e10
[  680.010278]  ? warn_alloc+0x120/0x120
[  680.014083]  ? print_usage_bug+0xc0/0xc0
[  680.018145]  ? warn_alloc+0x120/0x120
[  680.021949]  ? warn_alloc+0x120/0x120
[  680.025753]  ? print_usage_bug+0xc0/0xc0
[  680.029820]  ? kvm_clock_read+0x18/0x30
[  680.033799]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  680.038820]  ? print_usage_bug+0xc0/0xc0
[  680.042885]  ? __lock_acquire+0x62f/0x4c20
[  680.047128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.052665]  ? should_fail+0x22d/0xd01
[  680.056552]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.061830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.066938]  ? __lock_acquire+0x62f/0x4c20
[  680.071179]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.076288]  ? __lock_acquire+0x62f/0x4c20
[  680.080522]  ? should_fail+0x22d/0xd01
[  680.084407]  ? rcu_irq_exit+0x1a2/0x390
[  680.088397]  ? mark_held_locks+0x130/0x130
[  680.092643]  ? mark_held_locks+0x130/0x130
[  680.096878]  ? try_to_wake_up+0x11c/0x1490
[  680.101114]  ? lock_downgrade+0x900/0x900
[  680.105272]  ? zap_class+0x640/0x640
[  680.108990]  ? print_usage_bug+0xc0/0xc0
[  680.113056]  ? trace_hardirqs_off+0xb8/0x310
[  680.117466]  ? kasan_check_read+0x11/0x20
[  680.121623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.127168]  ? check_preemption_disabled+0x48/0x280
[  680.132197]  ? __lock_is_held+0xb5/0x140
[  680.136278]  __alloc_pages_nodemask+0xa80/0xde0
[  680.140953]  ? zap_class+0x640/0x640
[  680.144675]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  680.149708]  ? find_held_lock+0x36/0x1c0
[  680.153785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  680.158456]  ? lock_downgrade+0x900/0x900
[  680.162615]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.168159]  cache_grow_begin+0xa5/0x8c0
[  680.172228]  ? do_raw_spin_unlock+0xa7/0x330
[  680.176674]  fallback_alloc+0x204/0x2e0
[  680.180663]  ____cache_alloc_node+0x1c7/0x1e0
[  680.185166]  kmem_cache_alloc_node+0xe3/0x730
[  680.189664]  ? ipv6_get_ifaddr+0x42e/0x620
[  680.193910]  __alloc_skb+0x119/0x770
[  680.197628]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.202914]  ? netdev_alloc_frag+0x1f0/0x1f0
[  680.207330]  ? lock_downgrade+0x900/0x900
[  680.211502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.217044]  ? refcount_sub_and_test_checked+0x203/0x310
[  680.222500]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  680.227954]  ? addrconf_rs_timer+0x690/0x690
[  680.232381]  ndisc_alloc_skb+0x144/0x340
[  680.236449]  ndisc_send_rs+0x331/0x6e0
[  680.240347]  addrconf_rs_timer+0x314/0x690
[  680.244592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.248842]  call_timer_fn+0x272/0x920
[  680.252759]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.257004]  ? process_timeout+0x40/0x40
[  680.261081]  ? mark_held_locks+0xc7/0x130
[  680.265235]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.269739]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.274238]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.278485]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.283075]  ? trace_hardirqs_on+0xbd/0x310
[  680.287398]  ? kasan_check_read+0x11/0x20
[  680.291545]  ? __run_timers+0x7da/0xc70
[  680.295521]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.300642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.304874]  __run_timers+0x7e5/0xc70
[  680.308687]  ? timer_fixup_init+0x70/0x70
[  680.312840]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  680.317859]  ? zap_class+0x640/0x640
[  680.321582]  ? print_usage_bug+0xc0/0xc0
[  680.325651]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  680.330850]  ? find_held_lock+0x36/0x1c0
[  680.334922]  ? zap_class+0x640/0x640
[  680.338642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.344184]  ? check_preemption_disabled+0x48/0x280
[  680.349214]  ? __lock_is_held+0xb5/0x140
[  680.353284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.358823]  ? check_preemption_disabled+0x48/0x280
[  680.363843]  run_timer_softirq+0x52/0xb0
[  680.367907]  ? rcu_read_lock_sched_held+0x14f/0x180
[  680.372922]  __do_softirq+0x308/0xb7e
[  680.376732]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  680.381227]  ? lock_downgrade+0x900/0x900
[  680.385388]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  680.390500]  ? pvclock_read_flags+0x160/0x160
[  680.394998]  ? lapic_next_event+0x5a/0x90
[  680.399155]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.404699]  ? kvm_clock_read+0x18/0x30
[  680.408673]  ? kvm_sched_clock_read+0x9/0x20
[  680.413084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.418624]  ? check_preemption_disabled+0x48/0x280
[  680.423652]  irq_exit+0x17f/0x1c0
[  680.427109]  smp_apic_timer_interrupt+0x1cb/0x760
[  680.431952]  ? smp_reschedule_interrupt+0x109/0x650
[  680.436973]  ? smp_call_function_single_interrupt+0x650/0x650
[  680.442862]  ? interrupt_entry+0xb5/0xc0
[  680.446926]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.451945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.456963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.461811]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.466829]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.471849]  ? task_prio+0x50/0x50
[  680.475393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.480933]  ? check_preemption_disabled+0x48/0x280
[  680.485961]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.490818]  apic_timer_interrupt+0xf/0x20
[  680.495048]  </IRQ>
[  680.497294] RIP: 0010:dump_stack+0x358/0x39d
[  680.501707] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  680.520612] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  680.528328] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  680.535599] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  680.542866] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  680.550138] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  680.557404] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  680.564696]  ? dump_stack+0x34f/0x39d
[  680.568514]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.573708]  ? mark_held_locks+0x130/0x130
[  680.577943]  ? mark_held_locks+0x130/0x130
[  680.582187]  dump_header+0x27b/0xf72
[  680.585916]  ? pagefault_out_of_memory+0x197/0x197
[  680.590855]  ? __lock_acquire+0x62f/0x4c20
[  680.595091]  ? percpu_ref_get_many+0x240/0x240
[  680.599678]  ? print_usage_bug+0xc0/0xc0
[  680.603745]  ? zap_class+0x640/0x640
[  680.607464]  ? print_usage_bug+0xc0/0xc0
[  680.611525]  ? print_usage_bug+0xc0/0xc0
[  680.615589]  ? zap_class+0x640/0x640
[  680.619313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.624856]  ? find_held_lock+0x36/0x1c0
[  680.628931]  ? mark_held_locks+0xc7/0x130
[  680.633084]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.638193]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.643299]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  680.647890]  ? trace_hardirqs_on+0xbd/0x310
[  680.652214]  ? kasan_check_read+0x11/0x20
[  680.656364]  ? ___ratelimit+0x3b4/0x672
[  680.660341]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.665449]  ? trace_hardirqs_on+0x310/0x310
[  680.669862]  ? lock_downgrade+0x900/0x900
[  680.674021]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  680.679124]  ? ___ratelimit+0x3b9/0x672
[  680.683099]  ? idr_get_free+0xf70/0xf70
[  680.687073]  ? find_held_lock+0x36/0x1c0
[  680.691150]  oom_kill_process.cold.27+0x10/0x903
[  680.695910]  ? zap_class+0x640/0x640
[  680.699623]  ? check_preemption_disabled+0x48/0x280
[  680.704642]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.709577]  ? kasan_check_read+0x11/0x20
[  680.713727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.719011]  ? oom_evaluate_task+0x540/0x540
[  680.723428]  ? find_held_lock+0x36/0x1c0
[  680.727498]  ? out_of_memory+0x974/0x1430
[  680.731653]  ? lock_downgrade+0x900/0x900
[  680.735803]  ? check_preemption_disabled+0x48/0x280
[  680.740824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.745758]  ? kasan_check_read+0x11/0x20
[  680.749910]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.755185]  ? rcu_softirq_qs+0x20/0x20
[  680.759167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.764707]  ? oom_evaluate_task+0x302/0x540
[  680.769119]  out_of_memory+0xa84/0x1430
[  680.773104]  ? oom_killer_disable+0x3a0/0x3a0
[  680.777602]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  680.782538]  ? __ww_mutex_check_waiters+0x160/0x160
[  680.787567]  __alloc_pages_slowpath+0x2354/0x2e10
[  680.792445]  ? warn_alloc+0x120/0x120
[  680.796248]  ? mark_held_locks+0x130/0x130
[  680.800498]  ? find_get_entry+0xaae/0x1120
[  680.804750]  ? filemap_map_pages+0x1a20/0x1a20
[  680.809343]  ? zap_class+0x640/0x640
[  680.813069]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.818627]  ? check_preemption_disabled+0x48/0x280
[  680.823651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.829198]  ? should_fail+0x22d/0xd01
[  680.833099]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.838212]  ? zap_class+0x640/0x640
[  680.841958]  ? __lock_is_held+0xb5/0x140
[  680.846038]  ? mark_held_locks+0x130/0x130
[  680.850287]  ? lock_release+0xa00/0xa00
[  680.854795]  ? perf_trace_sched_process_exec+0x860/0x860
[  680.860247]  ? xa_load+0x2ba/0x460
[  680.863802]  ? lock_downgrade+0x900/0x900
[  680.867956]  ? __might_sleep+0x95/0x190
[  680.871941]  __alloc_pages_nodemask+0xa80/0xde0
[  680.876619]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  680.881640]  ? __page_cache_alloc+0x191/0x5c0
[  680.886135]  ? xa_load+0x2e1/0x460
[  680.889679]  ? xa_clear_mark+0x40/0x40
[  680.893573]  ? zap_class+0x640/0x640
[  680.897301]  ? zap_class+0x640/0x640
[  680.901015]  ? zap_class+0x640/0x640
[  680.904730]  ? __do_page_cache_readahead+0x663/0x810
[  680.909844]  ? find_held_lock+0x36/0x1c0
[  680.913917]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  680.919478]  alloc_pages_current+0x173/0x350
[  680.923902]  __page_cache_alloc+0x38c/0x5c0
[  680.928222]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.933155]  ? kasan_check_read+0x11/0x20
[  680.937312]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.942598]  ? generic_perform_write+0x6a0/0x6a0
[  680.947359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.952904]  ? check_preemption_disabled+0x48/0x280
[  680.957933]  filemap_fault+0x1595/0x25f0
[  680.962011]  ? __lock_page_or_retry+0xa00/0xa00
[  680.966687]  ? mark_held_locks+0x130/0x130
[  680.970935]  ? filemap_map_pages+0xd6b/0x1a20
[  680.975444]  ? lock_downgrade+0x900/0x900
[  680.979597]  ? check_preemption_disabled+0x48/0x280
[  680.984619]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.989548]  ? kasan_check_read+0x11/0x20
[  680.993693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.998971]  ? rcu_softirq_qs+0x20/0x20
[  681.002965]  ? filemap_map_pages+0xd92/0x1a20
[  681.007472]  ? print_usage_bug+0xc0/0xc0
[  681.011544]  ? find_get_entries_tag+0x1400/0x1400
[  681.016387]  ? __kasan_slab_free+0x102/0x150
[  681.020797]  ? kasan_slab_free+0xe/0x10
[  681.024779]  ? kmem_cache_free+0x83/0x290
[  681.028929]  ? __sigqueue_free.part.29+0x74/0x90
[  681.033712]  ? lock_acquire+0x1ed/0x520
[  681.037692]  ? ext4_filemap_fault+0x7a/0xad
[  681.042022]  ? lock_release+0xa00/0xa00
[  681.045997]  ? perf_trace_sched_process_exec+0x860/0x860
[  681.051456]  ? print_usage_bug+0xc0/0xc0
[  681.055524]  ? print_usage_bug+0xc0/0xc0
[  681.059599]  ? down_read+0x8d/0x120
[  681.063222]  ? ext4_filemap_fault+0x7a/0xad
[  681.067550]  ? __down_interruptible+0x700/0x700
[  681.072231]  ext4_filemap_fault+0x82/0xad
[  681.076389]  __do_fault+0x100/0x6b0
[  681.080022]  ? pmd_devmap_trans_unstable+0x220/0x220
[  681.085133]  ? mark_held_locks+0x130/0x130
[  681.089375]  ? mark_held_locks+0x130/0x130
[  681.093618]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  681.099162]  ? rcu_pm_notify+0xc0/0xc0
[  681.103062]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.108611]  __handle_mm_fault+0x3ea6/0x5be0
[  681.113038]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  681.117887]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.122392]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  681.126983]  ? trace_hardirqs_on+0xbd/0x310
[  681.131309]  ? kasan_check_read+0x11/0x20
[  681.135461]  ? __set_current_blocked+0xdf/0x120
[  681.140137]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.145265]  ? zap_class+0x640/0x640
[  681.148982]  ? zap_class+0x640/0x640
[  681.152732]  ? find_held_lock+0x36/0x1c0
[  681.156811]  ? handle_mm_fault+0x42a/0xc70
[  681.161050]  ? lock_downgrade+0x900/0x900
[  681.165204]  ? check_preemption_disabled+0x48/0x280
[  681.170228]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  681.175169]  ? kasan_check_read+0x11/0x20
[  681.179320]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.184602]  ? rcu_softirq_qs+0x20/0x20
[  681.188579]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.193689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.199228]  ? check_preemption_disabled+0x48/0x280
[  681.204271]  handle_mm_fault+0x54f/0xc70
[  681.208344]  ? __handle_mm_fault+0x5be0/0x5be0
[  681.212931]  ? find_vma+0x34/0x190
[  681.216481]  __do_page_fault+0x5e8/0xe60
[  681.220544]  ? exit_to_usermode_loop+0x1f4/0x380
[  681.225310]  do_page_fault+0xf2/0x7e0
[  681.229115]  ? vmalloc_sync_all+0x30/0x30
[  681.233270]  ? error_entry+0x70/0xd0
[  681.236986]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.242005]  ? trace_hardirqs_on_caller+0xc0/0x310
[  681.246934]  ? syscall_return_slowpath+0x5e0/0x5e0
[  681.251860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.256708]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.261728]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  681.267187]  ? prepare_exit_to_usermode+0x291/0x3b0
[  681.272205]  ? page_fault+0x8/0x30
[  681.275748]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.280596]  ? page_fault+0x8/0x30
[  681.284138]  page_fault+0x1e/0x30
[  681.287591] RIP: 0033:0x45db60
[  681.290802] Code: Bad RIP value.
[  681.294162] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  681.299525] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  681.306801] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  681.314075] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  681.321351] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  681.328627] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  681.335936] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  681.335942] warn_alloc_show_mem: 1 callbacks suppressed
[  681.335949] Mem-Info:
[  681.342878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  681.348248] active_anon:45842 inactive_anon:131 isolated_anon:0
[  681.348248]  active_file:10 inactive_file:14 isolated_file:0
[  681.348248]  unevictable:0 dirty:0 writeback:0 unstable:0
[  681.348248]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  681.348248]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  681.348248]  free:13767 free_pcp:218 free_cma:0
[  681.350621] Call Trace:
[  681.360016] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  681.392873]  <IRQ>
[  681.395445] 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
[  681.422953]  dump_stack+0x244/0x39d
[  681.425075] lowmem_reserve[]: 0 2818 6321 6321
[  681.451201]  ? dump_stack_print_info.cold.1+0x20/0x20
[  681.454804] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  681.459395]  warn_alloc.cold.116+0xb7/0x1bd
[  681.464552] lowmem_reserve[]: 0 0 3503 3503
[  681.491894]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  681.496196] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  681.500519]  ? lock_downgrade+0x900/0x900
[  681.505337] lowmem_reserve[]: 0 0 0 0
[  681.534240]  ? trace_hardirqs_off+0xb8/0x310
[  681.538366] 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
[  681.542163]  ? trace_hardirqs_off+0xb8/0x310
[  681.546542] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  681.560075]  __alloc_pages_slowpath+0x26e8/0x2e10
[  681.564456] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  681.579750]  ? warn_alloc+0x120/0x120
[  681.584551] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  681.599379]  ? warn_alloc+0x120/0x120
[  681.603160] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  681.611987]  ? __lock_acquire+0x62f/0x4c20
[  681.615773] 162 total pagecache pages
[  681.624340]  ? warn_alloc+0x120/0x120
[  681.628556] 0 pages in swap cache
[  681.632348]  ? print_usage_bug+0xc0/0xc0
[  681.636128] Swap cache stats: add 0, delete 0, find 0/0
[  681.639575]  ? print_usage_bug+0xc0/0xc0
[  681.643609] Free swap  = 0kB
[  681.648970]  ? mark_held_locks+0x130/0x130
[  681.653005] Total swap = 0kB
[  681.656022]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.660229] 1965979 pages RAM
[  681.663242]  ? should_fail+0x22d/0xd01
[  681.668753] 0 pages HighMem/MovableOnly
[  681.671856]  ? zap_class+0x640/0x640
[  681.675721] 342855 pages reserved
[  681.679704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.683387] 0 pages cma reserved
[  681.686833]  ? __lock_acquire+0x62f/0x4c20
[  681.691974] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  681.695285]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.699591] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  681.705983]  ? should_fail+0x22d/0xd01
[  681.711060] syz-fuzzer cpuset=/ mems_allowed=0
[  681.721778]  ? mark_held_locks+0x130/0x130
[  681.734444]  ? mark_held_locks+0x130/0x130
[  681.738683]  ? lock_downgrade+0x900/0x900
[  681.742835]  ? zap_class+0x640/0x640
[  681.746552]  ? zap_class+0x640/0x640
[  681.750280]  ? zap_class+0x640/0x640
[  681.753997]  ? do_raw_spin_unlock+0xa7/0x330
[  681.758413]  ? trace_hardirqs_on+0x310/0x310
[  681.762824]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.768377]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.773915]  ? check_preemption_disabled+0x48/0x280
[  681.778942]  ? __lock_is_held+0xb5/0x140
[  681.783012]  __alloc_pages_nodemask+0xa80/0xde0
[  681.787683]  ? zap_class+0x640/0x640
[  681.791409]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  681.796440]  ? find_held_lock+0x36/0x1c0
[  681.800517]  ? ____cache_alloc_node+0x1c7/0x1e0
[  681.805193]  ? lock_downgrade+0x900/0x900
[  681.809351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.814902]  cache_grow_begin+0xa5/0x8c0
[  681.818964]  ? do_raw_spin_unlock+0xa7/0x330
[  681.823382]  fallback_alloc+0x204/0x2e0
[  681.827370]  ____cache_alloc_node+0x1c7/0x1e0
[  681.831872]  kmem_cache_alloc_node+0xe3/0x730
[  681.836383]  __alloc_skb+0x119/0x770
[  681.840098]  ? retint_kernel+0x2d/0x2d
[  681.843989]  ? netdev_alloc_frag+0x1f0/0x1f0
[  681.848405]  ? vprintk_default+0x28/0x30
[  681.853182]  ? vprintk_func+0x85/0x181
[  681.857071]  ? printk+0xa7/0xcf
[  681.860354]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  681.865113]  ? do_raw_spin_trylock+0x270/0x270
[  681.869701]  new_skb+0x26/0x1c0
[  681.872981]  aoecmd_cfg+0x279/0x7f0
[  681.876609]  ? find_held_lock+0x36/0x1c0
[  681.880677]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  681.885005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.890561]  ? __lock_is_held+0xb5/0x140
[  681.894638]  discover_timer+0x50/0x60
[  681.898439]  call_timer_fn+0x272/0x920
[  681.902329]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  681.907176]  ? process_timeout+0x40/0x40
[  681.911245]  ? __run_timers+0x7da/0xc70
[  681.915238]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.919743]  ? _raw_spin_unlock_irq+0x27/0x80
[  681.924240]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  681.929096]  ? lockdep_hardirqs_on+0x296/0x5b0
[  681.933680]  ? trace_hardirqs_on+0xbd/0x310
[  681.938006]  ? kasan_check_read+0x11/0x20
[  681.942150]  ? __run_timers+0x7da/0xc70
[  681.946126]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.951242]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  681.956097]  __run_timers+0x7e5/0xc70
[  681.959910]  ? timer_fixup_init+0x70/0x70
[  681.964061]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  681.969079]  ? zap_class+0x640/0x640
[  681.972800]  ? enqueue_hrtimer+0x1a5/0x560
[  681.977041]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  681.982240]  ? find_held_lock+0x36/0x1c0
[  681.986323]  ? zap_class+0x640/0x640
[  681.990040]  ? pvclock_read_flags+0x160/0x160
[  681.994538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.000078]  ? check_preemption_disabled+0x48/0x280
[  682.005106]  ? __lock_is_held+0xb5/0x140
[  682.009172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.014712]  ? check_preemption_disabled+0x48/0x280
[  682.019735]  run_timer_softirq+0x52/0xb0
[  682.023801]  ? rcu_read_lock_sched_held+0x14f/0x180
[  682.028822]  __do_softirq+0x308/0xb7e
[  682.032627]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.037125]  ? lock_downgrade+0x900/0x900
[  682.041288]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  682.046404]  ? pvclock_read_flags+0x160/0x160
[  682.050904]  ? lapic_next_event+0x5a/0x90
[  682.055056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.060599]  ? kvm_clock_read+0x18/0x30
[  682.064576]  ? kvm_sched_clock_read+0x9/0x20
[  682.068986]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.074523]  ? check_preemption_disabled+0x48/0x280
[  682.079555]  irq_exit+0x17f/0x1c0
[  682.083010]  smp_apic_timer_interrupt+0x1cb/0x760
[  682.087850]  ? smp_call_function_single_interrupt+0x159/0x650
[  682.093735]  ? smp_call_function_single_interrupt+0x650/0x650
[  682.099624]  ? interrupt_entry+0xb5/0xc0
[  682.103689]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.108703]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.113719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.118567]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.123586]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.128603]  ? task_prio+0x50/0x50
[  682.132146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.137688]  ? check_preemption_disabled+0x48/0x280
[  682.142714]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.147570]  apic_timer_interrupt+0xf/0x20
[  682.151802]  </IRQ>
[  682.154042] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  682.158977] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  682.177890] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  682.185603] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  682.192871] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  682.200143] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  682.207417] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  682.214687] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  682.222009]  skb_clone+0x1bb/0x500
[  682.225554]  ? finish_task_switch+0x2f4/0x910
[  682.230055]  ? skb_split+0x11e0/0x11e0
[  682.233946]  ? preempt_notifier_register+0x200/0x200
[  682.239053]  ? __switch_to_asm+0x34/0x70
[  682.243119]  ? __switch_to_asm+0x34/0x70
[  682.247183]  ? __switch_to_asm+0x40/0x70
[  682.251242]  ? __switch_to_asm+0x34/0x70
[  682.255317]  ? __switch_to_asm+0x40/0x70
[  682.259381]  ? __switch_to_asm+0x34/0x70
[  682.263445]  ? __switch_to_asm+0x40/0x70
[  682.267509]  ? __switch_to_asm+0x34/0x70
[  682.271572]  ? __switch_to_asm+0x34/0x70
[  682.275634]  ? __switch_to_asm+0x40/0x70
[  682.279692]  ? __switch_to_asm+0x34/0x70
[  682.283759]  bpf_clone_redirect+0xb9/0x490
[  682.287997]  ? __schedule+0x8d7/0x21d0
[  682.291896]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  682.296912]  ? __sched_text_start+0x8/0x8
[  682.301063]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  682.305649]  ? retint_kernel+0x2d/0x2d
[  682.309539]  ? trace_hardirqs_on_caller+0xc0/0x310
[  682.314473]  ? find_held_lock+0x36/0x1c0
[  682.318544]  ? lock_acquire+0x1ed/0x520
[  682.322517]  ? bpf_test_run+0x3cb/0x780
[  682.326495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.332039]  ? check_preemption_disabled+0x48/0x280
[  682.337060]  ? kasan_check_read+0x11/0x20
[  682.341212]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.346489]  ? rcu_softirq_qs+0x20/0x20
[  682.350465]  ? preempt_schedule+0x4d/0x60
[  682.354620]  ? ___preempt_schedule+0x16/0x18
[  682.359038]  ? bpf_test_run+0x25d/0x780
[  682.363024]  ? netlink_diag_dump+0x2a0/0x2a0
[  682.367441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.372980]  ? bpf_test_init.isra.10+0x70/0x100
[  682.377656]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  682.382426]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.387280]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  682.392821]  ? fput+0x130/0x1a0
[  682.396106]  ? __bpf_prog_get+0x9b/0x290
[  682.400176]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.405018]  ? bpf_prog_test_run+0x130/0x1a0
[  682.409432]  ? __x64_sys_bpf+0x3d8/0x520
[  682.413499]  ? bpf_prog_get+0x20/0x20
[  682.417326]  ? do_syscall_64+0x1b9/0x820
[  682.421396]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  682.426767]  ? syscall_return_slowpath+0x5e0/0x5e0
[  682.431699]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.436718]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  682.441738]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  682.448411]  ? __switch_to_asm+0x40/0x70
[  682.452472]  ? __switch_to_asm+0x34/0x70
[  682.456546]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.461404]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  682.466787] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  682.466872] aoe: skb alloc failure
[  682.473369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  682.473378] Call Trace:
[  682.476967] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  682.486247]  <IRQ>
[  682.488832] syz-executor3 cpuset=syz3 mems_allowed=0
[  682.499317]  dump_stack+0x244/0x39d
[  682.510155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  682.515360]  warn_alloc.cold.116+0xb7/0x1bd
[  682.519684]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  682.524533]  ? lock_downgrade+0x900/0x900
[  682.528691]  ? trace_hardirqs_off+0xb8/0x310
[  682.533107]  ? trace_hardirqs_off+0xb8/0x310
[  682.537526]  __alloc_pages_slowpath+0x26e8/0x2e10
[  682.542402]  ? warn_alloc+0x120/0x120
[  682.546209]  ? print_usage_bug+0xc0/0xc0
[  682.550277]  ? warn_alloc+0x120/0x120
[  682.554085]  ? warn_alloc+0x120/0x120
[  682.557887]  ? print_usage_bug+0xc0/0xc0
[  682.561948]  ? kvm_clock_read+0x18/0x30
[  682.565928]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  682.570951]  ? print_usage_bug+0xc0/0xc0
[  682.575017]  ? __lock_acquire+0x62f/0x4c20
[  682.579268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.584806]  ? should_fail+0x22d/0xd01
[  682.588693]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.593973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.599080]  ? __lock_acquire+0x62f/0x4c20
[  682.603318]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.608420]  ? __lock_acquire+0x62f/0x4c20
[  682.612652]  ? should_fail+0x22d/0xd01
[  682.616536]  ? rcu_irq_exit+0x1a2/0x390
[  682.620523]  ? mark_held_locks+0x130/0x130
[  682.624767]  ? mark_held_locks+0x130/0x130
[  682.629024]  ? mark_held_locks+0xc7/0x130
[  682.633176]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  682.638194]  ? zap_class+0x640/0x640
[  682.641908]  ? print_usage_bug+0xc0/0xc0
[  682.645977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.651520]  ? check_preemption_disabled+0x48/0x280
[  682.656556]  ? __lock_is_held+0xb5/0x140
[  682.660626]  __alloc_pages_nodemask+0xa80/0xde0
[  682.665300]  ? zap_class+0x640/0x640
[  682.669024]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  682.674070]  ? find_held_lock+0x36/0x1c0
[  682.678149]  ? ____cache_alloc_node+0x1c7/0x1e0
[  682.682824]  ? lock_downgrade+0x900/0x900
[  682.686983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.692529]  cache_grow_begin+0xa5/0x8c0
[  682.696597]  ? do_raw_spin_unlock+0xa7/0x330
[  682.701016]  fallback_alloc+0x204/0x2e0
[  682.705004]  ____cache_alloc_node+0x1c7/0x1e0
[  682.709507]  kmem_cache_alloc_node+0xe3/0x730
[  682.714023]  ? ipv6_get_ifaddr+0x42e/0x620
[  682.718278]  __alloc_skb+0x119/0x770
[  682.721996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.727286]  ? netdev_alloc_frag+0x1f0/0x1f0
[  682.731870]  ? lock_downgrade+0x900/0x900
[  682.736031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.741577]  ? refcount_sub_and_test_checked+0x203/0x310
[  682.747037]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  682.752491]  ? addrconf_rs_timer+0x690/0x690
[  682.756918]  ndisc_alloc_skb+0x144/0x340
[  682.760988]  ndisc_send_rs+0x331/0x6e0
[  682.764886]  addrconf_rs_timer+0x314/0x690
[  682.769128]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.773385]  call_timer_fn+0x272/0x920
[  682.777281]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.781531]  ? process_timeout+0x40/0x40
[  682.785610]  ? mark_held_locks+0xc7/0x130
[  682.789766]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.794278]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.798783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.803025]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.807614]  ? trace_hardirqs_on+0xbd/0x310
[  682.811938]  ? kasan_check_read+0x11/0x20
[  682.816090]  ? __run_timers+0x7da/0xc70
[  682.820071]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.825180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.829423]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.833662]  __run_timers+0x7e5/0xc70
[  682.837477]  ? timer_fixup_init+0x70/0x70
[  682.841628]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  682.846646]  ? zap_class+0x640/0x640
[  682.850368]  ? print_usage_bug+0xc0/0xc0
[  682.854924]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  682.860127]  ? find_held_lock+0x36/0x1c0
[  682.864193]  ? zap_class+0x640/0x640
[  682.867915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.873454]  ? check_preemption_disabled+0x48/0x280
[  682.878485]  ? __lock_is_held+0xb5/0x140
[  682.882548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.888089]  ? check_preemption_disabled+0x48/0x280
[  682.893113]  run_timer_softirq+0x52/0xb0
[  682.897178]  ? rcu_read_lock_sched_held+0x14f/0x180
[  682.902193]  __do_softirq+0x308/0xb7e
[  682.905997]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.910493]  ? lock_downgrade+0x900/0x900
[  682.914646]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  682.919762]  ? pvclock_read_flags+0x160/0x160
[  682.924271]  ? lapic_next_event+0x5a/0x90
[  682.928430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.933974]  ? kvm_clock_read+0x18/0x30
[  682.937947]  ? kvm_sched_clock_read+0x9/0x20
[  682.942365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.947904]  ? check_preemption_disabled+0x48/0x280
[  682.952930]  irq_exit+0x17f/0x1c0
[  682.956391]  smp_apic_timer_interrupt+0x1cb/0x760
[  682.961235]  ? smp_reschedule_interrupt+0x109/0x650
[  682.966273]  ? smp_call_function_single_interrupt+0x650/0x650
[  682.972165]  ? interrupt_entry+0xb5/0xc0
[  682.976229]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.981257]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.986289]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.991136]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.996152]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.001175]  ? task_prio+0x50/0x50
[  683.004720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.010266]  ? check_preemption_disabled+0x48/0x280
[  683.015301]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.020157]  apic_timer_interrupt+0xf/0x20
[  683.024393]  </IRQ>
[  683.026633] RIP: 0010:dump_stack+0x358/0x39d
[  683.031047] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  683.049955] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  683.057672] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  683.064944] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  683.072215] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  683.079484] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  683.086758] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  683.094063]  ? dump_stack+0x34f/0x39d
[  683.097886]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.103086]  ? mark_held_locks+0x130/0x130
[  683.107326]  ? mark_held_locks+0x130/0x130
[  683.111566]  dump_header+0x27b/0xf72
[  683.115299]  ? pagefault_out_of_memory+0x197/0x197
[  683.120243]  ? __lock_acquire+0x62f/0x4c20
[  683.124489]  ? percpu_ref_get_many+0x240/0x240
[  683.129076]  ? print_usage_bug+0xc0/0xc0
[  683.133146]  ? zap_class+0x640/0x640
[  683.136866]  ? print_usage_bug+0xc0/0xc0
[  683.140924]  ? print_usage_bug+0xc0/0xc0
[  683.144986]  ? zap_class+0x640/0x640
[  683.148705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.154250]  ? find_held_lock+0x36/0x1c0
[  683.158331]  ? mark_held_locks+0xc7/0x130
[  683.162489]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.167593]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.172705]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  683.177308]  ? trace_hardirqs_on+0xbd/0x310
[  683.181637]  ? kasan_check_read+0x11/0x20
[  683.185815]  ? ___ratelimit+0x3b4/0x672
[  683.189800]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.194926]  ? trace_hardirqs_on+0x310/0x310
[  683.199345]  ? lock_downgrade+0x900/0x900
[  683.203505]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  683.208608]  ? ___ratelimit+0x3b9/0x672
[  683.212583]  ? idr_get_free+0xf70/0xf70
[  683.216569]  ? find_held_lock+0x36/0x1c0
[  683.220644]  oom_kill_process.cold.27+0x10/0x903
[  683.225409]  ? zap_class+0x640/0x640
[  683.229147]  ? check_preemption_disabled+0x48/0x280
[  683.234177]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.239107]  ? kasan_check_read+0x11/0x20
[  683.243272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.248557]  ? oom_evaluate_task+0x540/0x540
[  683.252978]  ? find_held_lock+0x36/0x1c0
[  683.257050]  ? out_of_memory+0x974/0x1430
[  683.261208]  ? lock_downgrade+0x900/0x900
[  683.265364]  ? check_preemption_disabled+0x48/0x280
[  683.270397]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.275327]  ? kasan_check_read+0x11/0x20
[  683.279479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.284762]  ? rcu_softirq_qs+0x20/0x20
[  683.288752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.294303]  ? oom_evaluate_task+0x302/0x540
[  683.298723]  out_of_memory+0xa84/0x1430
[  683.302706]  ? oom_killer_disable+0x3a0/0x3a0
[  683.307204]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  683.312141]  ? __ww_mutex_check_waiters+0x160/0x160
[  683.317175]  __alloc_pages_slowpath+0x2354/0x2e10
[  683.322050]  ? warn_alloc+0x120/0x120
[  683.325852]  ? mark_held_locks+0x130/0x130
[  683.330098]  ? find_get_entry+0xaae/0x1120
[  683.334345]  ? filemap_map_pages+0x1a20/0x1a20
[  683.338939]  ? zap_class+0x640/0x640
[  683.342663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.348208]  ? check_preemption_disabled+0x48/0x280
[  683.353233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.358789]  ? should_fail+0x22d/0xd01
[  683.362685]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.367801]  ? zap_class+0x640/0x640
[  683.371553]  ? __lock_is_held+0xb5/0x140
[  683.375630]  ? mark_held_locks+0x130/0x130
[  683.379872]  ? lock_release+0xa00/0xa00
[  683.383852]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.389308]  ? xa_load+0x2ba/0x460
[  683.392857]  ? lock_downgrade+0x900/0x900
[  683.397014]  ? __might_sleep+0x95/0x190
[  683.401001]  __alloc_pages_nodemask+0xa80/0xde0
[  683.405687]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  683.410710]  ? __page_cache_alloc+0x191/0x5c0
[  683.415209]  ? xa_load+0x2e1/0x460
[  683.418753]  ? xa_clear_mark+0x40/0x40
[  683.422651]  ? zap_class+0x640/0x640
[  683.426380]  ? zap_class+0x640/0x640
[  683.430098]  ? zap_class+0x640/0x640
[  683.433818]  ? __do_page_cache_readahead+0x663/0x810
[  683.438946]  ? find_held_lock+0x36/0x1c0
[  683.443021]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  683.448569]  alloc_pages_current+0x173/0x350
[  683.452994]  __page_cache_alloc+0x38c/0x5c0
[  683.457315]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.462245]  ? kasan_check_read+0x11/0x20
[  683.466403]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.471689]  ? generic_perform_write+0x6a0/0x6a0
[  683.476455]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.482003]  ? check_preemption_disabled+0x48/0x280
[  683.487038]  filemap_fault+0x1595/0x25f0
[  683.491118]  ? __lock_page_or_retry+0xa00/0xa00
[  683.495798]  ? mark_held_locks+0x130/0x130
[  683.500068]  ? filemap_map_pages+0xd6b/0x1a20
[  683.504571]  ? lock_downgrade+0x900/0x900
[  683.508724]  ? check_preemption_disabled+0x48/0x280
[  683.513753]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.518695]  ? kasan_check_read+0x11/0x20
[  683.522850]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.528133]  ? rcu_softirq_qs+0x20/0x20
[  683.532127]  ? filemap_map_pages+0xd92/0x1a20
[  683.536652]  ? print_usage_bug+0xc0/0xc0
[  683.540726]  ? find_get_entries_tag+0x1400/0x1400
[  683.545576]  ? __kasan_slab_free+0x102/0x150
[  683.549986]  ? kasan_slab_free+0xe/0x10
[  683.553957]  ? kmem_cache_free+0x83/0x290
[  683.558104]  ? __sigqueue_free.part.29+0x74/0x90
[  683.562883]  ? lock_acquire+0x1ed/0x520
[  683.566855]  ? ext4_filemap_fault+0x7a/0xad
[  683.571185]  ? lock_release+0xa00/0xa00
[  683.575163]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.580617]  ? print_usage_bug+0xc0/0xc0
[  683.584683]  ? print_usage_bug+0xc0/0xc0
[  683.588759]  ? down_read+0x8d/0x120
[  683.592390]  ? ext4_filemap_fault+0x7a/0xad
[  683.596712]  ? __down_interruptible+0x700/0x700
[  683.601396]  ext4_filemap_fault+0x82/0xad
[  683.605554]  __do_fault+0x100/0x6b0
[  683.609192]  ? pmd_devmap_trans_unstable+0x220/0x220
[  683.614301]  ? mark_held_locks+0x130/0x130
[  683.618628]  ? mark_held_locks+0x130/0x130
[  683.622867]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  683.628413]  ? rcu_pm_notify+0xc0/0xc0
[  683.632313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.637862]  __handle_mm_fault+0x3ea6/0x5be0
[  683.642297]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  683.647142]  ? _raw_spin_unlock_irq+0x27/0x80
[  683.651642]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  683.656233]  ? trace_hardirqs_on+0xbd/0x310
[  683.660566]  ? kasan_check_read+0x11/0x20
[  683.664720]  ? __set_current_blocked+0xdf/0x120
[  683.669397]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.674517]  ? zap_class+0x640/0x640
[  683.678236]  ? zap_class+0x640/0x640
[  683.681967]  ? find_held_lock+0x36/0x1c0
[  683.686045]  ? handle_mm_fault+0x42a/0xc70
[  683.690290]  ? lock_downgrade+0x900/0x900
[  683.694445]  ? check_preemption_disabled+0x48/0x280
[  683.699468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.704405]  ? kasan_check_read+0x11/0x20
[  683.708551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.713830]  ? rcu_softirq_qs+0x20/0x20
[  683.717809]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.723143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.728774]  ? check_preemption_disabled+0x48/0x280
[  683.733804]  handle_mm_fault+0x54f/0xc70
[  683.737874]  ? __handle_mm_fault+0x5be0/0x5be0
[  683.742465]  ? find_vma+0x34/0x190
[  683.746020]  __do_page_fault+0x5e8/0xe60
[  683.750084]  ? exit_to_usermode_loop+0x1f4/0x380
[  683.754857]  do_page_fault+0xf2/0x7e0
[  683.758660]  ? vmalloc_sync_all+0x30/0x30
[  683.762808]  ? error_entry+0x70/0xd0
[  683.766529]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.771543]  ? trace_hardirqs_on_caller+0xc0/0x310
[  683.776560]  ? syscall_return_slowpath+0x5e0/0x5e0
[  683.781495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.786342]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.791364]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  683.796828]  ? prepare_exit_to_usermode+0x291/0x3b0
[  683.801852]  ? page_fault+0x8/0x30
[  683.805396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.810241]  ? page_fault+0x8/0x30
[  683.813795]  page_fault+0x1e/0x30
[  683.817250] RIP: 0033:0x45db60
[  683.820465] Code: Bad RIP value.
[  683.823826] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  683.829185] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  683.836452] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  683.843721] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  683.850987] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  683.858256] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  683.865561] warn_alloc_show_mem: 1 callbacks suppressed
[  683.865573] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  683.865575] Mem-Info:
[  683.865607] active_anon:45842 inactive_anon:131 isolated_anon:0
[  683.865607]  active_file:10 inactive_file:14 isolated_file:0
[  683.865607]  unevictable:0 dirty:0 writeback:0 unstable:0
[  683.865607]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  683.865607]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  683.865607]  free:13767 free_pcp:218 free_cma:0
[  683.870945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  683.877878] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  683.880287] Call Trace:
[  683.913163] 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
[  683.922521]  <IRQ>
[  683.950001] lowmem_reserve[]: 0 2818 6321 6321
[  683.952602]  dump_stack+0x244/0x39d
[  683.978686] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  683.980841]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.985386] lowmem_reserve[]: 0 0 3503 3503
[  683.989020]  warn_alloc.cold.116+0xb7/0x1bd
[  684.016318] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  684.021513]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  684.025803] lowmem_reserve[]: 0 0 0 0
[  684.030126]  ? lock_downgrade+0x900/0x900
[  684.058995] 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
[  684.063851]  ? trace_hardirqs_off+0xb8/0x310
[  684.067612] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  684.071757]  ? trace_hardirqs_off+0xb8/0x310
[  684.085255] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  684.089685]  __alloc_pages_slowpath+0x26e8/0x2e10
[  684.104922] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  684.109356]  ? warn_alloc+0x120/0x120
[  684.124139] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  684.128980]  ? warn_alloc+0x120/0x120
[  684.137788] 162 total pagecache pages
[  684.141585]  ? warn_alloc+0x120/0x120
[  684.150137] 0 pages in swap cache
[  684.153925]  ? print_usage_bug+0xc0/0xc0
[  684.157702] Swap cache stats: add 0, delete 0, find 0/0
[  684.161494]  ? print_usage_bug+0xc0/0xc0
[  684.164924] Free swap  = 0kB
[  684.168975]  ? ktime_get+0x2c1/0x400
[  684.174312] Total swap = 0kB
[  684.174320] 1965979 pages RAM
[  684.178378]  ? check_preemption_disabled+0x48/0x280
[  684.181370] 0 pages HighMem/MovableOnly
[  684.185075]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.188069] 342855 pages reserved
[  684.191171]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.196162] 0 pages cma reserved
[  684.200129]  ? should_fail+0x22d/0xd01
[  684.204665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  684.208041]  ? kasan_check_read+0x11/0x20
[  684.208059]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.208076]  ? __lock_acquire+0x62f/0x4c20
[  684.213649] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.216949]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.220816] syz-fuzzer cpuset=/ mems_allowed=0
[  684.227302]  ? should_fail+0x22d/0xd01
[  684.264478]  ? print_usage_bug+0xc0/0xc0
[  684.268552]  ? mark_held_locks+0x130/0x130
[  684.272788]  ? mark_held_locks+0x130/0x130
[  684.277029]  ? check_preemption_disabled+0x48/0x280
[  684.282053]  ? zap_class+0x640/0x640
[  684.285772]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  684.290532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.296068]  ? check_preemption_disabled+0x48/0x280
[  684.301096]  ? __lock_is_held+0xb5/0x140
[  684.305163]  __alloc_pages_nodemask+0xa80/0xde0
[  684.309832]  ? zap_class+0x640/0x640
[  684.313556]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  684.318584]  ? find_held_lock+0x36/0x1c0
[  684.322655]  ? ____cache_alloc_node+0x1c7/0x1e0
[  684.327346]  ? lock_downgrade+0x900/0x900
[  684.331504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.337051]  cache_grow_begin+0xa5/0x8c0
[  684.341115]  ? do_raw_spin_unlock+0xa7/0x330
[  684.345531]  fallback_alloc+0x204/0x2e0
[  684.349518]  ____cache_alloc_node+0x1c7/0x1e0
[  684.354019]  kmem_cache_alloc_node+0xe3/0x730
[  684.358528]  __alloc_skb+0x119/0x770
[  684.362247]  ? retint_kernel+0x2d/0x2d
[  684.366152]  ? netdev_alloc_frag+0x1f0/0x1f0
[  684.370569]  ? vprintk_default+0x28/0x30
[  684.374630]  ? vprintk_func+0x85/0x181
[  684.378520]  ? printk+0xa7/0xcf
[  684.381804]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  684.386561]  ? do_raw_spin_trylock+0x270/0x270
[  684.391147]  new_skb+0x26/0x1c0
[  684.394428]  aoecmd_cfg+0x279/0x7f0
[  684.398054]  ? find_held_lock+0x36/0x1c0
[  684.402116]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  684.406454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.412004]  ? __lock_is_held+0xb5/0x140
[  684.416080]  discover_timer+0x50/0x60
[  684.419883]  call_timer_fn+0x272/0x920
[  684.423773]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.428620]  ? process_timeout+0x40/0x40
[  684.432689]  ? __run_timers+0x7da/0xc70
[  684.436686]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.441181]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.445674]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.450519]  ? lockdep_hardirqs_on+0x296/0x5b0
[  684.455105]  ? trace_hardirqs_on+0xbd/0x310
[  684.459425]  ? kasan_check_read+0x11/0x20
[  684.463571]  ? __run_timers+0x7da/0xc70
[  684.467548]  ? trace_hardirqs_off_caller+0x310/0x310
[  684.472666]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.477512]  __run_timers+0x7e5/0xc70
[  684.481323]  ? timer_fixup_init+0x70/0x70
[  684.485474]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  684.490491]  ? zap_class+0x640/0x640
[  684.494210]  ? enqueue_hrtimer+0x1a5/0x560
[  684.498449]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  684.503650]  ? find_held_lock+0x36/0x1c0
[  684.507718]  ? zap_class+0x640/0x640
[  684.511434]  ? pvclock_read_flags+0x160/0x160
[  684.515935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.521474]  ? check_preemption_disabled+0x48/0x280
[  684.526500]  ? __lock_is_held+0xb5/0x140
[  684.530564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.536105]  ? check_preemption_disabled+0x48/0x280
[  684.541125]  run_timer_softirq+0x52/0xb0
[  684.545191]  ? rcu_read_lock_sched_held+0x14f/0x180
[  684.550210]  __do_softirq+0x308/0xb7e
[  684.554018]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.558513]  ? lock_downgrade+0x900/0x900
[  684.562668]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  684.567782]  ? pvclock_read_flags+0x160/0x160
[  684.572297]  ? lapic_next_event+0x5a/0x90
[  684.576450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.581997]  ? kvm_clock_read+0x18/0x30
[  684.585971]  ? kvm_sched_clock_read+0x9/0x20
[  684.590380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.595919]  ? check_preemption_disabled+0x48/0x280
[  684.600945]  irq_exit+0x17f/0x1c0
[  684.604402]  smp_apic_timer_interrupt+0x1cb/0x760
[  684.609242]  ? smp_call_function_single_interrupt+0x159/0x650
[  684.615143]  ? smp_call_function_single_interrupt+0x650/0x650
[  684.621032]  ? interrupt_entry+0xb5/0xc0
[  684.625096]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.630113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.635130]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.640683]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.645715]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.650795]  ? task_prio+0x50/0x50
[  684.654344]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.659895]  ? check_preemption_disabled+0x48/0x280
[  684.664918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.669771]  apic_timer_interrupt+0xf/0x20
[  684.674003]  </IRQ>
[  684.676243] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  684.681184] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  684.700085] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  684.707791] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  684.715058] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  684.722323] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  684.729588] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  684.736852] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  684.744170]  skb_clone+0x1bb/0x500
[  684.747716]  ? finish_task_switch+0x2f4/0x910
[  684.752211]  ? skb_split+0x11e0/0x11e0
[  684.756103]  ? preempt_notifier_register+0x200/0x200
[  684.761207]  ? __switch_to_asm+0x34/0x70
[  684.765278]  ? __switch_to_asm+0x34/0x70
[  684.769343]  ? __switch_to_asm+0x40/0x70
[  684.773402]  ? __switch_to_asm+0x34/0x70
[  684.777461]  ? __switch_to_asm+0x40/0x70
[  684.781521]  ? __switch_to_asm+0x34/0x70
[  684.785580]  ? __switch_to_asm+0x40/0x70
[  684.789643]  ? __switch_to_asm+0x34/0x70
[  684.793705]  ? __switch_to_asm+0x34/0x70
[  684.797764]  ? __switch_to_asm+0x40/0x70
[  684.801824]  ? __switch_to_asm+0x34/0x70
[  684.805895]  bpf_clone_redirect+0xb9/0x490
[  684.810130]  ? __schedule+0x8d7/0x21d0
[  684.814023]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  684.819045]  ? __sched_text_start+0x8/0x8
[  684.823198]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  684.827779]  ? retint_kernel+0x2d/0x2d
[  684.831672]  ? trace_hardirqs_on_caller+0xc0/0x310
[  684.836606]  ? find_held_lock+0x36/0x1c0
[  684.840674]  ? lock_acquire+0x1ed/0x520
[  684.844649]  ? bpf_test_run+0x3cb/0x780
[  684.848628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.855299]  ? check_preemption_disabled+0x48/0x280
[  684.860328]  ? kasan_check_read+0x11/0x20
[  684.864479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  684.869760]  ? rcu_softirq_qs+0x20/0x20
[  684.873735]  ? preempt_schedule+0x4d/0x60
[  684.877886]  ? ___preempt_schedule+0x16/0x18
[  684.882314]  ? bpf_test_run+0x25d/0x780
[  684.886314]  ? netlink_diag_dump+0x2a0/0x2a0
[  684.890727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.896280]  ? bpf_test_init.isra.10+0x70/0x100
[  684.900958]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  684.905724]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.910567]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  684.916102]  ? fput+0x130/0x1a0
[  684.919380]  ? __bpf_prog_get+0x9b/0x290
[  684.923446]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  684.928294]  ? bpf_prog_test_run+0x130/0x1a0
[  684.932710]  ? __x64_sys_bpf+0x3d8/0x520
[  684.936774]  ? bpf_prog_get+0x20/0x20
[  684.940601]  ? do_syscall_64+0x1b9/0x820
[  684.944663]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  684.950030]  ? syscall_return_slowpath+0x5e0/0x5e0
[  684.954966]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.959984]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  684.965002]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  684.971667]  ? __switch_to_asm+0x40/0x70
[  684.975730]  ? __switch_to_asm+0x34/0x70
[  684.979795]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.984652]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  684.990037] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  684.990114] aoe: skb alloc failure
[  684.996616] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  684.996622] Call Trace:
[  684.996628]  <IRQ>
[  684.996646]  dump_stack+0x244/0x39d
[  684.996667]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.000216] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  685.009549]  warn_alloc.cold.116+0xb7/0x1bd
[  685.012098] syz-executor3 cpuset=syz3 mems_allowed=0
[  685.014244]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  685.047722]  ? lock_downgrade+0x900/0x900
[  685.051888]  ? trace_hardirqs_off+0xb8/0x310
[  685.056309]  ? trace_hardirqs_off+0xb8/0x310
[  685.060730]  __alloc_pages_slowpath+0x26e8/0x2e10
[  685.065609]  ? warn_alloc+0x120/0x120
[  685.069417]  ? print_usage_bug+0xc0/0xc0
[  685.073480]  ? warn_alloc+0x120/0x120
[  685.077293]  ? warn_alloc+0x120/0x120
[  685.081097]  ? print_usage_bug+0xc0/0xc0
[  685.085164]  ? print_usage_bug+0xc0/0xc0
[  685.089228]  ? __lock_acquire+0x62f/0x4c20
[  685.093478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.099015]  ? should_fail+0x22d/0xd01
[  685.102908]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.108014]  ? __lock_acquire+0x62f/0x4c20
[  685.112253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.117365]  ? __lock_acquire+0x62f/0x4c20
[  685.121597]  ? should_fail+0x22d/0xd01
[  685.125486]  ? find_held_lock+0x36/0x1c0
[  685.129557]  ? mark_held_locks+0x130/0x130
[  685.133804]  ? mark_held_locks+0x130/0x130
[  685.138038]  ? zap_class+0x640/0x640
[  685.141756]  ? zap_class+0x640/0x640
[  685.145482]  ? print_usage_bug+0xc0/0xc0
[  685.149541]  ? do_raw_spin_unlock+0xa7/0x330
[  685.153952]  ? zap_class+0x640/0x640
[  685.157664]  ? print_usage_bug+0xc0/0xc0
[  685.161727]  ? wq_watchdog_touch+0x9c/0xfe
[  685.165968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.171511]  ? check_preemption_disabled+0x48/0x280
[  685.176540]  ? __lock_is_held+0xb5/0x140
[  685.180609]  __alloc_pages_nodemask+0xa80/0xde0
[  685.185293]  ? zap_class+0x640/0x640
[  685.189015]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  685.194047]  ? find_held_lock+0x36/0x1c0
[  685.198118]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.202793]  ? lock_downgrade+0x900/0x900
[  685.206948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.212493]  cache_grow_begin+0xa5/0x8c0
[  685.216556]  ? do_raw_spin_unlock+0xa7/0x330
[  685.220974]  fallback_alloc+0x204/0x2e0
[  685.224956]  ____cache_alloc_node+0x1c7/0x1e0
[  685.229456]  kmem_cache_alloc_node+0xe3/0x730
[  685.233957]  ? ipv6_get_ifaddr+0x42e/0x620
[  685.238203]  __alloc_skb+0x119/0x770
[  685.241919]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.247201]  ? netdev_alloc_frag+0x1f0/0x1f0
[  685.251613]  ? lock_downgrade+0x900/0x900
[  685.255770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.261321]  ? refcount_sub_and_test_checked+0x203/0x310
[  685.266782]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  685.272234]  ? addrconf_rs_timer+0x690/0x690
[  685.276665]  ndisc_alloc_skb+0x144/0x340
[  685.280737]  ndisc_send_rs+0x331/0x6e0
[  685.284631]  addrconf_rs_timer+0x314/0x690
[  685.288873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.293125]  call_timer_fn+0x272/0x920
[  685.297017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.301252]  ? process_timeout+0x40/0x40
[  685.305343]  ? mark_held_locks+0xc7/0x130
[  685.309502]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.314002]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.318494]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.322733]  ? lockdep_hardirqs_on+0x296/0x5b0
[  685.327316]  ? trace_hardirqs_on+0xbd/0x310
[  685.331640]  ? kasan_check_read+0x11/0x20
[  685.335792]  ? __run_timers+0x7da/0xc70
[  685.339776]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.344883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.349122]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.353357]  __run_timers+0x7e5/0xc70
[  685.357168]  ? timer_fixup_init+0x70/0x70
[  685.361319]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  685.366336]  ? zap_class+0x640/0x640
[  685.370055]  ? print_usage_bug+0xc0/0xc0
[  685.374120]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  685.379320]  ? find_held_lock+0x36/0x1c0
[  685.383387]  ? zap_class+0x640/0x640
[  685.387109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.392652]  ? check_preemption_disabled+0x48/0x280
[  685.397683]  ? __lock_is_held+0xb5/0x140
[  685.401747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.407294]  ? check_preemption_disabled+0x48/0x280
[  685.412315]  run_timer_softirq+0x52/0xb0
[  685.416380]  ? rcu_read_lock_sched_held+0x14f/0x180
[  685.421399]  __do_softirq+0x308/0xb7e
[  685.425204]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  685.429697]  ? lock_downgrade+0x900/0x900
[  685.433852]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  685.438967]  ? pvclock_read_flags+0x160/0x160
[  685.443466]  ? lapic_next_event+0x5a/0x90
[  685.447616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.453161]  ? kvm_clock_read+0x18/0x30
[  685.457137]  ? kvm_sched_clock_read+0x9/0x20
[  685.461553]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.467098]  ? check_preemption_disabled+0x48/0x280
[  685.472132]  irq_exit+0x17f/0x1c0
[  685.475585]  smp_apic_timer_interrupt+0x1cb/0x760
[  685.480425]  ? smp_reschedule_interrupt+0x109/0x650
[  685.485446]  ? smp_call_function_single_interrupt+0x650/0x650
[  685.491336]  ? interrupt_entry+0xb5/0xc0
[  685.495402]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.500418]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.505436]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.510288]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.515308]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.520326]  ? task_prio+0x50/0x50
[  685.523871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.529411]  ? check_preemption_disabled+0x48/0x280
[  685.534435]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.539298]  apic_timer_interrupt+0xf/0x20
[  685.543533]  </IRQ>
[  685.545771] RIP: 0010:dump_stack+0x358/0x39d
[  685.550188] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  685.569176] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  685.576888] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  685.584151] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  685.591423] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  685.598689] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  685.605953] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  685.613242]  ? dump_stack+0x34f/0x39d
[  685.617072]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.622527]  ? mark_held_locks+0x130/0x130
[  685.626763]  ? mark_held_locks+0x130/0x130
[  685.631012]  dump_header+0x27b/0xf72
[  685.634747]  ? pagefault_out_of_memory+0x197/0x197
[  685.639691]  ? __lock_acquire+0x62f/0x4c20
[  685.643933]  ? percpu_ref_get_many+0x240/0x240
[  685.648519]  ? print_usage_bug+0xc0/0xc0
[  685.652591]  ? zap_class+0x640/0x640
[  685.656313]  ? print_usage_bug+0xc0/0xc0
[  685.660376]  ? print_usage_bug+0xc0/0xc0
[  685.664444]  ? zap_class+0x640/0x640
[  685.668165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.673709]  ? find_held_lock+0x36/0x1c0
[  685.677793]  ? mark_held_locks+0xc7/0x130
[  685.681965]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.687080]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.692188]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  685.696781]  ? trace_hardirqs_on+0xbd/0x310
[  685.701104]  ? kasan_check_read+0x11/0x20
[  685.705252]  ? ___ratelimit+0x3b4/0x672
[  685.709241]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.714357]  ? trace_hardirqs_on+0x310/0x310
[  685.718780]  ? lock_downgrade+0x900/0x900
[  685.723180]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  685.728295]  ? ___ratelimit+0x3b9/0x672
[  685.732277]  ? idr_get_free+0xf70/0xf70
[  685.736253]  ? find_held_lock+0x36/0x1c0
[  685.740349]  oom_kill_process.cold.27+0x10/0x903
[  685.745110]  ? zap_class+0x640/0x640
[  685.748829]  ? check_preemption_disabled+0x48/0x280
[  685.753853]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.758788]  ? kasan_check_read+0x11/0x20
[  685.762938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.768217]  ? oom_evaluate_task+0x540/0x540
[  685.772633]  ? find_held_lock+0x36/0x1c0
[  685.776706]  ? out_of_memory+0x974/0x1430
[  685.780856]  ? lock_downgrade+0x900/0x900
[  685.785003]  ? check_preemption_disabled+0x48/0x280
[  685.790024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.794960]  ? kasan_check_read+0x11/0x20
[  685.799112]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.804390]  ? rcu_softirq_qs+0x20/0x20
[  685.808375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.813911]  ? oom_evaluate_task+0x302/0x540
[  685.818324]  out_of_memory+0xa84/0x1430
[  685.822310]  ? oom_killer_disable+0x3a0/0x3a0
[  685.826810]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  685.831750]  ? __ww_mutex_check_waiters+0x160/0x160
[  685.836790]  __alloc_pages_slowpath+0x2354/0x2e10
[  685.841668]  ? warn_alloc+0x120/0x120
[  685.845470]  ? mark_held_locks+0x130/0x130
[  685.849714]  ? find_get_entry+0xaae/0x1120
[  685.853967]  ? filemap_map_pages+0x1a20/0x1a20
[  685.858568]  ? zap_class+0x640/0x640
[  685.862299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.867848]  ? check_preemption_disabled+0x48/0x280
[  685.872866]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.878406]  ? should_fail+0x22d/0xd01
[  685.882304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.887413]  ? zap_class+0x640/0x640
[  685.891160]  ? __lock_is_held+0xb5/0x140
[  685.895236]  ? mark_held_locks+0x130/0x130
[  685.899490]  ? lock_release+0xa00/0xa00
[  685.903470]  ? perf_trace_sched_process_exec+0x860/0x860
[  685.908926]  ? xa_load+0x2ba/0x460
[  685.912471]  ? lock_downgrade+0x900/0x900
[  685.916625]  ? __might_sleep+0x95/0x190
[  685.920612]  __alloc_pages_nodemask+0xa80/0xde0
[  685.925300]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  685.930321]  ? __page_cache_alloc+0x191/0x5c0
[  685.934816]  ? xa_load+0x2e1/0x460
[  685.938361]  ? xa_clear_mark+0x40/0x40
[  685.942256]  ? zap_class+0x640/0x640
[  685.945991]  ? zap_class+0x640/0x640
[  685.949706]  ? zap_class+0x640/0x640
[  685.953425]  ? __do_page_cache_readahead+0x663/0x810
[  685.958539]  ? find_held_lock+0x36/0x1c0
[  685.962612]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  685.968156]  alloc_pages_current+0x173/0x350
[  685.972576]  __page_cache_alloc+0x38c/0x5c0
[  685.976900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.981837]  ? kasan_check_read+0x11/0x20
[  685.985992]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.991300]  ? generic_perform_write+0x6a0/0x6a0
[  685.996093]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.001647]  ? check_preemption_disabled+0x48/0x280
[  686.006681]  filemap_fault+0x1595/0x25f0
[  686.010766]  ? __lock_page_or_retry+0xa00/0xa00
[  686.015447]  ? mark_held_locks+0x130/0x130
[  686.019695]  ? filemap_map_pages+0xd6b/0x1a20
[  686.024197]  ? lock_downgrade+0x900/0x900
[  686.028353]  ? check_preemption_disabled+0x48/0x280
[  686.033376]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.038309]  ? kasan_check_read+0x11/0x20
[  686.042464]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.047749]  ? rcu_softirq_qs+0x20/0x20
[  686.051749]  ? filemap_map_pages+0xd92/0x1a20
[  686.056258]  ? print_usage_bug+0xc0/0xc0
[  686.060342]  ? find_get_entries_tag+0x1400/0x1400
[  686.065189]  ? __kasan_slab_free+0x102/0x150
[  686.069599]  ? kasan_slab_free+0xe/0x10
[  686.073572]  ? kmem_cache_free+0x83/0x290
[  686.077726]  ? __sigqueue_free.part.29+0x74/0x90
[  686.082525]  ? lock_acquire+0x1ed/0x520
[  686.086501]  ? ext4_filemap_fault+0x7a/0xad
[  686.090838]  ? lock_release+0xa00/0xa00
[  686.094815]  ? perf_trace_sched_process_exec+0x860/0x860
[  686.100281]  ? print_usage_bug+0xc0/0xc0
[  686.104374]  ? print_usage_bug+0xc0/0xc0
[  686.108454]  ? down_read+0x8d/0x120
[  686.112082]  ? ext4_filemap_fault+0x7a/0xad
[  686.116408]  ? __down_interruptible+0x700/0x700
[  686.121102]  ext4_filemap_fault+0x82/0xad
[  686.125260]  __do_fault+0x100/0x6b0
[  686.128905]  ? pmd_devmap_trans_unstable+0x220/0x220
[  686.134038]  ? mark_held_locks+0x130/0x130
[  686.138283]  ? mark_held_locks+0x130/0x130
[  686.142521]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  686.148063]  ? rcu_pm_notify+0xc0/0xc0
[  686.151960]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.157506]  __handle_mm_fault+0x3ea6/0x5be0
[  686.161927]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  686.166769]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.171288]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  686.175879]  ? trace_hardirqs_on+0xbd/0x310
[  686.180201]  ? kasan_check_read+0x11/0x20
[  686.184361]  ? __set_current_blocked+0xdf/0x120
[  686.189034]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.194155]  ? zap_class+0x640/0x640
[  686.197876]  ? zap_class+0x640/0x640
[  686.201602]  ? find_held_lock+0x36/0x1c0
[  686.205681]  ? handle_mm_fault+0x42a/0xc70
[  686.209922]  ? lock_downgrade+0x900/0x900
[  686.214073]  ? check_preemption_disabled+0x48/0x280
[  686.219103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.224041]  ? kasan_check_read+0x11/0x20
[  686.228202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.233482]  ? rcu_softirq_qs+0x20/0x20
[  686.237458]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.242573]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.248118]  ? check_preemption_disabled+0x48/0x280
[  686.253148]  handle_mm_fault+0x54f/0xc70
[  686.257221]  ? __handle_mm_fault+0x5be0/0x5be0
[  686.261815]  ? find_vma+0x34/0x190
[  686.265365]  __do_page_fault+0x5e8/0xe60
[  686.269433]  ? exit_to_usermode_loop+0x1f4/0x380
[  686.274203]  do_page_fault+0xf2/0x7e0
[  686.278012]  ? vmalloc_sync_all+0x30/0x30
[  686.282165]  ? error_entry+0x70/0xd0
[  686.285886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.290909]  ? trace_hardirqs_on_caller+0xc0/0x310
[  686.295845]  ? syscall_return_slowpath+0x5e0/0x5e0
[  686.300784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.305632]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.310648]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  686.316111]  ? prepare_exit_to_usermode+0x291/0x3b0
[  686.321130]  ? page_fault+0x8/0x30
[  686.324677]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.329529]  ? page_fault+0x8/0x30
[  686.333074]  page_fault+0x1e/0x30
[  686.336530] RIP: 0033:0x45db60
[  686.339734] Code: Bad RIP value.
[  686.343097] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  686.348458] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  686.355725] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  686.362996] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  686.370275] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  686.377542] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  686.384838] warn_alloc_show_mem: 1 callbacks suppressed
[  686.384850] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  686.384852] Mem-Info:
[  686.384883] active_anon:45842 inactive_anon:131 isolated_anon:0
[  686.384883]  active_file:10 inactive_file:14 isolated_file:0
[  686.384883]  unevictable:0 dirty:0 writeback:0 unstable:0
[  686.384883]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  686.384883]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  686.384883]  free:13767 free_pcp:218 free_cma:0
[  686.390220] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  686.390229] Call Trace:
[  686.397168] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  686.399569]  <IRQ>
[  686.432441] 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
[  686.441807]  dump_stack+0x244/0x39d
[  686.444363] lowmem_reserve[]: 0 2818 6321 6321
[  686.471879]  ? dump_stack_print_info.cold.1+0x20/0x20
[  686.474011] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  686.500138]  warn_alloc.cold.116+0xb7/0x1bd
[  686.503738] lowmem_reserve[]: 0 0 3503 3503
[  686.508320]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  686.513488] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  686.540829]  ? lock_downgrade+0x900/0x900
[  686.545122] lowmem_reserve[]: 0 0 0 0
[  686.549448]  ? trace_hardirqs_off+0xb8/0x310
[  686.554271] 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
[  686.583188]  ? trace_hardirqs_off+0xb8/0x310
[  686.587313] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  686.591117]  __alloc_pages_slowpath+0x26e8/0x2e10
[  686.595488] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  686.609053]  ? warn_alloc+0x120/0x120
[  686.613419] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  686.628768]  ? warn_alloc+0x120/0x120
[  686.633594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  686.648424]  ? __lock_acquire+0x62f/0x4c20
[  686.652199] 162 total pagecache pages
[  686.661036]  ? warn_alloc+0x120/0x120
[  686.664817] 0 pages in swap cache
[  686.673389]  ? print_usage_bug+0xc0/0xc0
[  686.677600] Swap cache stats: add 0, delete 0, find 0/0
[  686.681397]  ? print_usage_bug+0xc0/0xc0
[  686.685176] Free swap  = 0kB
[  686.688623]  ? mark_held_locks+0x130/0x130
[  686.692657] Total swap = 0kB
[  686.698017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.702048] 1965979 pages RAM
[  686.705060]  ? should_fail+0x22d/0xd01
[  686.709285] 0 pages HighMem/MovableOnly
[  686.712342]  ? zap_class+0x640/0x640
[  686.717852] 342855 pages reserved
[  686.721313]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.725172] 0 pages cma reserved
[  686.729142]  ? __lock_acquire+0x62f/0x4c20
[  686.732893] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  686.736289]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.736303]  ? should_fail+0x22d/0xd01
[  686.736328]  ? mark_held_locks+0x130/0x130
[  686.741460] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  686.744760]  ? mark_held_locks+0x130/0x130
[  686.748973] syz-fuzzer cpuset=/ mems_allowed=0
[  686.755635]  ? lock_downgrade+0x900/0x900
[  686.791963]  ? zap_class+0x640/0x640
[  686.795681]  ? zap_class+0x640/0x640
[  686.799403]  ? zap_class+0x640/0x640
[  686.803116]  ? do_raw_spin_unlock+0xa7/0x330
[  686.807527]  ? trace_hardirqs_on+0x310/0x310
[  686.811939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.817479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.823020]  ? check_preemption_disabled+0x48/0x280
[  686.828052]  ? __lock_is_held+0xb5/0x140
[  686.832122]  __alloc_pages_nodemask+0xa80/0xde0
[  686.836797]  ? zap_class+0x640/0x640
[  686.840520]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  686.845555]  ? find_held_lock+0x36/0x1c0
[  686.849633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  686.854567]  ? lock_downgrade+0x900/0x900
[  686.858726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.864280]  cache_grow_begin+0xa5/0x8c0
[  686.868349]  ? do_raw_spin_unlock+0xa7/0x330
[  686.872776]  fallback_alloc+0x204/0x2e0
[  686.876765]  ____cache_alloc_node+0x1c7/0x1e0
[  686.881281]  kmem_cache_alloc_node+0xe3/0x730
[  686.885790]  __alloc_skb+0x119/0x770
[  686.889511]  ? retint_kernel+0x2d/0x2d
[  686.893405]  ? netdev_alloc_frag+0x1f0/0x1f0
[  686.897823]  ? vprintk_default+0x28/0x30
[  686.901885]  ? vprintk_func+0x85/0x181
[  686.905774]  ? printk+0xa7/0xcf
[  686.909053]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  686.913814]  ? do_raw_spin_trylock+0x270/0x270
[  686.918412]  new_skb+0x26/0x1c0
[  686.921697]  aoecmd_cfg+0x279/0x7f0
[  686.925333]  ? find_held_lock+0x36/0x1c0
[  686.929400]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  686.933731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.939303]  ? __lock_is_held+0xb5/0x140
[  686.943378]  discover_timer+0x50/0x60
[  686.947182]  call_timer_fn+0x272/0x920
[  686.951068]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  686.955917]  ? process_timeout+0x40/0x40
[  686.959986]  ? __run_timers+0x7da/0xc70
[  686.963963]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.968459]  ? _raw_spin_unlock_irq+0x27/0x80
[  686.972952]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  686.977796]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.982389]  ? trace_hardirqs_on+0xbd/0x310
[  686.986712]  ? kasan_check_read+0x11/0x20
[  686.990858]  ? __run_timers+0x7da/0xc70
[  686.994835]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.999957]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.004800]  __run_timers+0x7e5/0xc70
[  687.008615]  ? timer_fixup_init+0x70/0x70
[  687.012770]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  687.017789]  ? zap_class+0x640/0x640
[  687.021510]  ? enqueue_hrtimer+0x1a5/0x560
[  687.025751]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  687.030949]  ? find_held_lock+0x36/0x1c0
[  687.035014]  ? zap_class+0x640/0x640
[  687.038737]  ? pvclock_read_flags+0x160/0x160
[  687.043237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.048787]  ? check_preemption_disabled+0x48/0x280
[  687.053818]  ? __lock_is_held+0xb5/0x140
[  687.057881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.063422]  ? check_preemption_disabled+0x48/0x280
[  687.068446]  run_timer_softirq+0x52/0xb0
[  687.072510]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.077530]  __do_softirq+0x308/0xb7e
[  687.081334]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.085829]  ? lock_downgrade+0x900/0x900
[  687.089981]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.095099]  ? pvclock_read_flags+0x160/0x160
[  687.099597]  ? lapic_next_event+0x5a/0x90
[  687.103753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.109311]  ? kvm_clock_read+0x18/0x30
[  687.113297]  ? kvm_sched_clock_read+0x9/0x20
[  687.117711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.123256]  ? check_preemption_disabled+0x48/0x280
[  687.128312]  irq_exit+0x17f/0x1c0
[  687.131769]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.136611]  ? smp_call_function_single_interrupt+0x159/0x650
[  687.142501]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.148393]  ? interrupt_entry+0xb5/0xc0
[  687.152976]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.157993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.163015]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.167861]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.172878]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.177900]  ? task_prio+0x50/0x50
[  687.181448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.186994]  ? check_preemption_disabled+0x48/0x280
[  687.192023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.196883]  apic_timer_interrupt+0xf/0x20
[  687.201117]  </IRQ>
[  687.203364] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  687.208311] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  687.227223] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  687.234948] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  687.242220] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  687.249493] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  687.256763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  687.264035] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  687.271355]  skb_clone+0x1bb/0x500
[  687.274900]  ? finish_task_switch+0x2f4/0x910
[  687.279404]  ? skb_split+0x11e0/0x11e0
[  687.283307]  ? preempt_notifier_register+0x200/0x200
[  687.288414]  ? __switch_to_asm+0x34/0x70
[  687.292483]  ? __switch_to_asm+0x34/0x70
[  687.296545]  ? __switch_to_asm+0x40/0x70
[  687.300608]  ? __switch_to_asm+0x34/0x70
[  687.304672]  ? __switch_to_asm+0x40/0x70
[  687.308737]  ? __switch_to_asm+0x34/0x70
[  687.312801]  ? __switch_to_asm+0x40/0x70
[  687.316865]  ? __switch_to_asm+0x34/0x70
[  687.320929]  ? __switch_to_asm+0x34/0x70
[  687.324990]  ? __switch_to_asm+0x40/0x70
[  687.329051]  ? __switch_to_asm+0x34/0x70
[  687.333129]  bpf_clone_redirect+0xb9/0x490
[  687.337366]  ? __schedule+0x8d7/0x21d0
[  687.341281]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  687.346310]  ? __sched_text_start+0x8/0x8
[  687.350466]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  687.355050]  ? retint_kernel+0x2d/0x2d
[  687.358942]  ? trace_hardirqs_on_caller+0xc0/0x310
[  687.363884]  ? find_held_lock+0x36/0x1c0
[  687.367959]  ? lock_acquire+0x1ed/0x520
[  687.371937]  ? bpf_test_run+0x3cb/0x780
[  687.375918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.381461]  ? check_preemption_disabled+0x48/0x280
[  687.386487]  ? kasan_check_read+0x11/0x20
[  687.390640]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.395920]  ? rcu_softirq_qs+0x20/0x20
[  687.399899]  ? preempt_schedule+0x4d/0x60
[  687.404047]  ? ___preempt_schedule+0x16/0x18
[  687.408469]  ? bpf_test_run+0x25d/0x780
[  687.412456]  ? netlink_diag_dump+0x2a0/0x2a0
[  687.416873]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.422409]  ? bpf_test_init.isra.10+0x70/0x100
[  687.427082]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  687.431852]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.436698]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  687.442237]  ? fput+0x130/0x1a0
[  687.445528]  ? __bpf_prog_get+0x9b/0x290
[  687.449592]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.454434]  ? bpf_prog_test_run+0x130/0x1a0
[  687.458845]  ? __x64_sys_bpf+0x3d8/0x520
[  687.462910]  ? bpf_prog_get+0x20/0x20
[  687.466735]  ? do_syscall_64+0x1b9/0x820
[  687.470824]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  687.476196]  ? syscall_return_slowpath+0x5e0/0x5e0
[  687.481131]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.486156]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  687.491177]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  687.497848]  ? __switch_to_asm+0x40/0x70
[  687.501910]  ? __switch_to_asm+0x34/0x70
[  687.505977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.510834]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  687.516219] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  687.516301] aoe: skb alloc failure
[  687.522815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  687.522824] Call Trace:
[  687.526428] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  687.535704]  <IRQ>
[  687.538291] syz-executor3 cpuset=syz3 mems_allowed=0
[  687.548782]  dump_stack+0x244/0x39d
[  687.559621]  ? dump_stack_print_info.cold.1+0x20/0x20
[  687.564831]  warn_alloc.cold.116+0xb7/0x1bd
[  687.569160]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  687.574010]  ? lock_downgrade+0x900/0x900
[  687.578166]  ? trace_hardirqs_off+0xb8/0x310
[  687.582587]  ? trace_hardirqs_off+0xb8/0x310
[  687.587010]  __alloc_pages_slowpath+0x26e8/0x2e10
[  687.591890]  ? warn_alloc+0x120/0x120
[  687.595699]  ? print_usage_bug+0xc0/0xc0
[  687.599762]  ? warn_alloc+0x120/0x120
[  687.603575]  ? warn_alloc+0x120/0x120
[  687.607379]  ? print_usage_bug+0xc0/0xc0
[  687.611448]  ? print_usage_bug+0xc0/0xc0
[  687.615511]  ? __lock_acquire+0x62f/0x4c20
[  687.619756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.625305]  ? should_fail+0x22d/0xd01
[  687.629202]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.634310]  ? __lock_acquire+0x62f/0x4c20
[  687.638549]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.643654]  ? __lock_acquire+0x62f/0x4c20
[  687.647891]  ? should_fail+0x22d/0xd01
[  687.651784]  ? find_held_lock+0x36/0x1c0
[  687.655859]  ? mark_held_locks+0x130/0x130
[  687.660105]  ? mark_held_locks+0x130/0x130
[  687.664337]  ? zap_class+0x640/0x640
[  687.668053]  ? zap_class+0x640/0x640
[  687.671769]  ? print_usage_bug+0xc0/0xc0
[  687.675837]  ? do_raw_spin_unlock+0xa7/0x330
[  687.680246]  ? zap_class+0x640/0x640
[  687.683969]  ? print_usage_bug+0xc0/0xc0
[  687.688034]  ? wq_watchdog_touch+0x9c/0xfe
[  687.692282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.697826]  ? check_preemption_disabled+0x48/0x280
[  687.702853]  ? __lock_is_held+0xb5/0x140
[  687.706924]  __alloc_pages_nodemask+0xa80/0xde0
[  687.711599]  ? zap_class+0x640/0x640
[  687.715325]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  687.720357]  ? find_held_lock+0x36/0x1c0
[  687.724639]  ? ____cache_alloc_node+0x1c7/0x1e0
[  687.729311]  ? lock_downgrade+0x900/0x900
[  687.733477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.739020]  cache_grow_begin+0xa5/0x8c0
[  687.743082]  ? do_raw_spin_unlock+0xa7/0x330
[  687.747505]  fallback_alloc+0x204/0x2e0
[  687.751491]  ____cache_alloc_node+0x1c7/0x1e0
[  687.755992]  kmem_cache_alloc_node+0xe3/0x730
[  687.760487]  ? ipv6_get_ifaddr+0x42e/0x620
[  687.764735]  __alloc_skb+0x119/0x770
[  687.768454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.773738]  ? netdev_alloc_frag+0x1f0/0x1f0
[  687.778155]  ? lock_downgrade+0x900/0x900
[  687.782317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.787855]  ? refcount_sub_and_test_checked+0x203/0x310
[  687.793313]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  687.798765]  ? addrconf_rs_timer+0x690/0x690
[  687.803191]  ndisc_alloc_skb+0x144/0x340
[  687.807258]  ndisc_send_rs+0x331/0x6e0
[  687.811171]  addrconf_rs_timer+0x314/0x690
[  687.815417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.819663]  call_timer_fn+0x272/0x920
[  687.823552]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.827798]  ? process_timeout+0x40/0x40
[  687.831883]  ? mark_held_locks+0xc7/0x130
[  687.836038]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.840535]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.845027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.849261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  687.853855]  ? trace_hardirqs_on+0xbd/0x310
[  687.858175]  ? kasan_check_read+0x11/0x20
[  687.862322]  ? __run_timers+0x7da/0xc70
[  687.866304]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.871412]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.875913]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  687.880147]  __run_timers+0x7e5/0xc70
[  687.883961]  ? timer_fixup_init+0x70/0x70
[  687.888116]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  687.893133]  ? zap_class+0x640/0x640
[  687.896852]  ? print_usage_bug+0xc0/0xc0
[  687.900915]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  687.906133]  ? find_held_lock+0x36/0x1c0
[  687.910207]  ? zap_class+0x640/0x640
[  687.913927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.919469]  ? check_preemption_disabled+0x48/0x280
[  687.924498]  ? __lock_is_held+0xb5/0x140
[  687.928564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.934108]  ? check_preemption_disabled+0x48/0x280
[  687.939139]  run_timer_softirq+0x52/0xb0
[  687.943204]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.948227]  __do_softirq+0x308/0xb7e
[  687.952033]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.956529]  ? lock_downgrade+0x900/0x900
[  687.960685]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.965805]  ? pvclock_read_flags+0x160/0x160
[  687.970308]  ? lapic_next_event+0x5a/0x90
[  687.974463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.980012]  ? kvm_clock_read+0x18/0x30
[  687.983987]  ? kvm_sched_clock_read+0x9/0x20
[  687.988405]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.993946]  ? check_preemption_disabled+0x48/0x280
[  687.998977]  irq_exit+0x17f/0x1c0
[  688.002438]  smp_apic_timer_interrupt+0x1cb/0x760
[  688.007292]  ? smp_reschedule_interrupt+0x109/0x650
[  688.012317]  ? smp_call_function_single_interrupt+0x650/0x650
[  688.018210]  ? interrupt_entry+0xb5/0xc0
[  688.022283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.027306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.032327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.037175]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.042195]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.047216]  ? task_prio+0x50/0x50
[  688.050761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.056308]  ? check_preemption_disabled+0x48/0x280
[  688.061340]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.066197]  apic_timer_interrupt+0xf/0x20
[  688.070424]  </IRQ>
[  688.072670] RIP: 0010:dump_stack+0x358/0x39d
[  688.077088] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  688.096000] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  688.103720] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  688.110991] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  688.118276] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  688.125548] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  688.132816] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  688.140110]  ? dump_stack+0x34f/0x39d
[  688.143934]  ? dump_stack_print_info.cold.1+0x20/0x20
[  688.149134]  ? mark_held_locks+0x130/0x130
[  688.153369]  ? mark_held_locks+0x130/0x130
[  688.157608]  dump_header+0x27b/0xf72
[  688.161338]  ? pagefault_out_of_memory+0x197/0x197
[  688.166285]  ? __lock_acquire+0x62f/0x4c20
[  688.170524]  ? percpu_ref_get_many+0x240/0x240
[  688.175116]  ? print_usage_bug+0xc0/0xc0
[  688.179189]  ? zap_class+0x640/0x640
[  688.182908]  ? print_usage_bug+0xc0/0xc0
[  688.186974]  ? print_usage_bug+0xc0/0xc0
[  688.191040]  ? zap_class+0x640/0x640
[  688.194763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.200308]  ? find_held_lock+0x36/0x1c0
[  688.204379]  ? mark_held_locks+0xc7/0x130
[  688.208533]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.213638]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.218742]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.223332]  ? trace_hardirqs_on+0xbd/0x310
[  688.227659]  ? kasan_check_read+0x11/0x20
[  688.231809]  ? ___ratelimit+0x3b4/0x672
[  688.235792]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.240895]  ? trace_hardirqs_on+0x310/0x310
[  688.245311]  ? lock_downgrade+0x900/0x900
[  688.249467]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  688.254568]  ? ___ratelimit+0x3b9/0x672
[  688.258548]  ? idr_get_free+0xf70/0xf70
[  688.262521]  ? find_held_lock+0x36/0x1c0
[  688.266599]  oom_kill_process.cold.27+0x10/0x903
[  688.271356]  ? zap_class+0x640/0x640
[  688.275074]  ? check_preemption_disabled+0x48/0x280
[  688.280102]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.285035]  ? kasan_check_read+0x11/0x20
[  688.289181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.294464]  ? oom_evaluate_task+0x540/0x540
[  688.298877]  ? find_held_lock+0x36/0x1c0
[  688.302946]  ? out_of_memory+0x974/0x1430
[  688.307094]  ? lock_downgrade+0x900/0x900
[  688.311241]  ? check_preemption_disabled+0x48/0x280
[  688.316276]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.321212]  ? kasan_check_read+0x11/0x20
[  688.325360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.330639]  ? rcu_softirq_qs+0x20/0x20
[  688.334618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.340153]  ? oom_evaluate_task+0x302/0x540
[  688.344569]  out_of_memory+0xa84/0x1430
[  688.348557]  ? oom_killer_disable+0x3a0/0x3a0
[  688.353053]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  688.357987]  ? __ww_mutex_check_waiters+0x160/0x160
[  688.363015]  __alloc_pages_slowpath+0x2354/0x2e10
[  688.367891]  ? warn_alloc+0x120/0x120
[  688.371705]  ? mark_held_locks+0x130/0x130
[  688.375945]  ? find_get_entry+0xaae/0x1120
[  688.380189]  ? filemap_map_pages+0x1a20/0x1a20
[  688.384785]  ? zap_class+0x640/0x640
[  688.388506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.394045]  ? check_preemption_disabled+0x48/0x280
[  688.399085]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.404627]  ? should_fail+0x22d/0xd01
[  688.408519]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.413628]  ? zap_class+0x640/0x640
[  688.417372]  ? __lock_is_held+0xb5/0x140
[  688.421448]  ? mark_held_locks+0x130/0x130
[  688.425691]  ? lock_release+0xa00/0xa00
[  688.429670]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.435123]  ? xa_load+0x2ba/0x460
[  688.438670]  ? lock_downgrade+0x900/0x900
[  688.442825]  ? __might_sleep+0x95/0x190
[  688.446813]  __alloc_pages_nodemask+0xa80/0xde0
[  688.451493]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  688.456512]  ? __page_cache_alloc+0x191/0x5c0
[  688.461005]  ? xa_load+0x2e1/0x460
[  688.464549]  ? xa_clear_mark+0x40/0x40
[  688.468442]  ? zap_class+0x640/0x640
[  688.472165]  ? zap_class+0x640/0x640
[  688.475880]  ? zap_class+0x640/0x640
[  688.479596]  ? __do_page_cache_readahead+0x663/0x810
[  688.484709]  ? find_held_lock+0x36/0x1c0
[  688.488785]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  688.494335]  alloc_pages_current+0x173/0x350
[  688.498754]  __page_cache_alloc+0x38c/0x5c0
[  688.503084]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.508014]  ? kasan_check_read+0x11/0x20
[  688.512165]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.517446]  ? generic_perform_write+0x6a0/0x6a0
[  688.522206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.527749]  ? check_preemption_disabled+0x48/0x280
[  688.532786]  filemap_fault+0x1595/0x25f0
[  688.536865]  ? __lock_page_or_retry+0xa00/0xa00
[  688.541541]  ? mark_held_locks+0x130/0x130
[  688.545797]  ? filemap_map_pages+0xd6b/0x1a20
[  688.550301]  ? lock_downgrade+0x900/0x900
[  688.554452]  ? check_preemption_disabled+0x48/0x280
[  688.559471]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.564401]  ? kasan_check_read+0x11/0x20
[  688.568548]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.573826]  ? rcu_softirq_qs+0x20/0x20
[  688.577831]  ? filemap_map_pages+0xd92/0x1a20
[  688.582335]  ? print_usage_bug+0xc0/0xc0
[  688.586406]  ? find_get_entries_tag+0x1400/0x1400
[  688.591249]  ? __kasan_slab_free+0x102/0x150
[  688.595665]  ? kasan_slab_free+0xe/0x10
[  688.599641]  ? kmem_cache_free+0x83/0x290
[  688.603792]  ? __sigqueue_free.part.29+0x74/0x90
[  688.608569]  ? lock_acquire+0x1ed/0x520
[  688.612542]  ? ext4_filemap_fault+0x7a/0xad
[  688.616871]  ? lock_release+0xa00/0xa00
[  688.620844]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.626304]  ? print_usage_bug+0xc0/0xc0
[  688.630377]  ? print_usage_bug+0xc0/0xc0
[  688.634450]  ? down_read+0x8d/0x120
[  688.638074]  ? ext4_filemap_fault+0x7a/0xad
[  688.642401]  ? __down_interruptible+0x700/0x700
[  688.647082]  ext4_filemap_fault+0x82/0xad
[  688.651238]  __do_fault+0x100/0x6b0
[  688.654876]  ? pmd_devmap_trans_unstable+0x220/0x220
[  688.659986]  ? mark_held_locks+0x130/0x130
[  688.664226]  ? mark_held_locks+0x130/0x130
[  688.668466]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  688.674008]  ? rcu_pm_notify+0xc0/0xc0
[  688.677906]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.683549]  __handle_mm_fault+0x3ea6/0x5be0
[  688.687971]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  688.692813]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.697583]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.702166]  ? trace_hardirqs_on+0xbd/0x310
[  688.706486]  ? kasan_check_read+0x11/0x20
[  688.710632]  ? __set_current_blocked+0xdf/0x120
[  688.715311]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.720432]  ? zap_class+0x640/0x640
[  688.724150]  ? zap_class+0x640/0x640
[  688.727870]  ? find_held_lock+0x36/0x1c0
[  688.731946]  ? handle_mm_fault+0x42a/0xc70
[  688.736183]  ? lock_downgrade+0x900/0x900
[  688.740335]  ? check_preemption_disabled+0x48/0x280
[  688.745355]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.750290]  ? kasan_check_read+0x11/0x20
[  688.754440]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.759719]  ? rcu_softirq_qs+0x20/0x20
[  688.763692]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.768803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.774343]  ? check_preemption_disabled+0x48/0x280
[  688.779370]  handle_mm_fault+0x54f/0xc70
[  688.783437]  ? __handle_mm_fault+0x5be0/0x5be0
[  688.788026]  ? find_vma+0x34/0x190
[  688.791576]  __do_page_fault+0x5e8/0xe60
[  688.795639]  ? exit_to_usermode_loop+0x1f4/0x380
[  688.800405]  do_page_fault+0xf2/0x7e0
[  688.804208]  ? vmalloc_sync_all+0x30/0x30
[  688.808357]  ? error_entry+0x70/0xd0
[  688.812079]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.817095]  ? trace_hardirqs_on_caller+0xc0/0x310
[  688.822029]  ? syscall_return_slowpath+0x5e0/0x5e0
[  688.826962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.831815]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.836833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  688.842296]  ? prepare_exit_to_usermode+0x291/0x3b0
[  688.847315]  ? page_fault+0x8/0x30
[  688.850863]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.856236]  ? page_fault+0x8/0x30
[  688.859787]  page_fault+0x1e/0x30
[  688.863239] RIP: 0033:0x45db60
[  688.866450] Code: Bad RIP value.
[  688.869814] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  688.875173] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  688.882445] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  688.889709] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  688.896979] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  688.904245] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  688.911544] warn_alloc_show_mem: 1 callbacks suppressed
[  688.911557] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  688.911559] Mem-Info:
[  688.911590] active_anon:45842 inactive_anon:131 isolated_anon:0
[  688.911590]  active_file:10 inactive_file:14 isolated_file:0
[  688.911590]  unevictable:0 dirty:0 writeback:0 unstable:0
[  688.911590]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  688.911590]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  688.911590]  free:13767 free_pcp:218 free_cma:0
[  688.916928] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  688.923857] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  688.926257] Call Trace:
[  688.959128] 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
[  688.968470]  <IRQ>
[  688.995958] lowmem_reserve[]: 0 2818 6321 6321
[  688.998541]  dump_stack+0x244/0x39d
[  689.024620] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  689.026769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  689.031328] lowmem_reserve[]: 0 0 3503 3503
[  689.034963]  warn_alloc.cold.116+0xb7/0x1bd
[  689.062253] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  689.067450]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  689.071747] lowmem_reserve[]: 0 0 0 0
[  689.076067]  ? lock_downgrade+0x900/0x900
[  689.104931] 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
[  689.109775]  ? trace_hardirqs_off+0xb8/0x310
[  689.113545] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  689.117691]  ? trace_hardirqs_off+0xb8/0x310
[  689.131186] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  689.135616]  __alloc_pages_slowpath+0x26e8/0x2e10
[  689.150851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  689.155285]  ? warn_alloc+0x120/0x120
[  689.170052] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  689.174905]  ? warn_alloc+0x120/0x120
[  689.183715] 162 total pagecache pages
[  689.187523]  ? warn_alloc+0x120/0x120
[  689.196076] 0 pages in swap cache
[  689.199865]  ? print_usage_bug+0xc0/0xc0
[  689.203640] Swap cache stats: add 0, delete 0, find 0/0
[  689.207432]  ? print_usage_bug+0xc0/0xc0
[  689.210858] Free swap  = 0kB
[  689.214909]  ? ktime_get+0x2c1/0x400
[  689.220245] Total swap = 0kB
[  689.224312]  ? check_preemption_disabled+0x48/0x280
[  689.227308] 1965979 pages RAM
[  689.231016]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.234013] 0 pages HighMem/MovableOnly
[  689.239020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.242099] 342855 pages reserved
[  689.246584]  ? should_fail+0x22d/0xd01
[  689.250531] 0 pages cma reserved
[  689.250603] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  689.256066]  ? kasan_check_read+0x11/0x20
[  689.256084]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.256100]  ? __lock_acquire+0x62f/0x4c20
[  689.259591] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  689.263412]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  689.266756] syz-fuzzer cpuset=/ mems_allowed=0
[  689.273239]  ? should_fail+0x22d/0xd01
[  689.310403]  ? print_usage_bug+0xc0/0xc0
[  689.314474]  ? mark_held_locks+0x130/0x130
[  689.318715]  ? mark_held_locks+0x130/0x130
[  689.322950]  ? check_preemption_disabled+0x48/0x280
[  689.327976]  ? zap_class+0x640/0x640
[  689.331693]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  689.336451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.341986]  ? check_preemption_disabled+0x48/0x280
[  689.347015]  ? __lock_is_held+0xb5/0x140
[  689.351093]  __alloc_pages_nodemask+0xa80/0xde0
[  689.355761]  ? zap_class+0x640/0x640
[  689.359480]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  689.364511]  ? find_held_lock+0x36/0x1c0
[  689.368585]  ? ____cache_alloc_node+0x1c7/0x1e0
[  689.373257]  ? lock_downgrade+0x900/0x900
[  689.377430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.382976]  cache_grow_begin+0xa5/0x8c0
[  689.387041]  ? do_raw_spin_unlock+0xa7/0x330
[  689.391458]  fallback_alloc+0x204/0x2e0
[  689.395438]  ____cache_alloc_node+0x1c7/0x1e0
[  689.399938]  kmem_cache_alloc_node+0xe3/0x730
[  689.404450]  __alloc_skb+0x119/0x770
[  689.408166]  ? retint_kernel+0x2d/0x2d
[  689.412077]  ? netdev_alloc_frag+0x1f0/0x1f0
[  689.416496]  ? vprintk_default+0x28/0x30
[  689.420556]  ? vprintk_func+0x85/0x181
[  689.424446]  ? printk+0xa7/0xcf
[  689.427729]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  689.432487]  ? do_raw_spin_trylock+0x270/0x270
[  689.437077]  new_skb+0x26/0x1c0
[  689.440360]  aoecmd_cfg+0x279/0x7f0
[  689.443992]  ? find_held_lock+0x36/0x1c0
[  689.448055]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  689.452388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.457937]  ? __lock_is_held+0xb5/0x140
[  689.462014]  discover_timer+0x50/0x60
[  689.465814]  call_timer_fn+0x272/0x920
[  689.469702]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  689.474545]  ? process_timeout+0x40/0x40
[  689.478616]  ? __run_timers+0x7da/0xc70
[  689.482596]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.487090]  ? _raw_spin_unlock_irq+0x27/0x80
[  689.491585]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  689.496428]  ? lockdep_hardirqs_on+0x296/0x5b0
[  689.501013]  ? trace_hardirqs_on+0xbd/0x310
[  689.505338]  ? kasan_check_read+0x11/0x20
[  689.509488]  ? __run_timers+0x7da/0xc70
[  689.513463]  ? trace_hardirqs_off_caller+0x310/0x310
[  689.518584]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  689.523424]  __run_timers+0x7e5/0xc70
[  689.527240]  ? timer_fixup_init+0x70/0x70
[  689.531399]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  689.536421]  ? zap_class+0x640/0x640
[  689.540139]  ? enqueue_hrtimer+0x1a5/0x560
[  689.544397]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  689.549597]  ? find_held_lock+0x36/0x1c0
[  689.553667]  ? zap_class+0x640/0x640
[  689.557386]  ? pvclock_read_flags+0x160/0x160
[  689.561882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.567422]  ? check_preemption_disabled+0x48/0x280
[  689.572448]  ? __lock_is_held+0xb5/0x140
[  689.576512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.582050]  ? check_preemption_disabled+0x48/0x280
[  689.587071]  run_timer_softirq+0x52/0xb0
[  689.591131]  ? rcu_read_lock_sched_held+0x14f/0x180
[  689.596146]  __do_softirq+0x308/0xb7e
[  689.599950]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  689.604446]  ? lock_downgrade+0x900/0x900
[  689.608601]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  689.613712]  ? pvclock_read_flags+0x160/0x160
[  689.618212]  ? lapic_next_event+0x5a/0x90
[  689.622366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.627911]  ? kvm_clock_read+0x18/0x30
[  689.631886]  ? kvm_sched_clock_read+0x9/0x20
[  689.636307]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.641845]  ? check_preemption_disabled+0x48/0x280
[  689.646870]  irq_exit+0x17f/0x1c0
[  689.650342]  smp_apic_timer_interrupt+0x1cb/0x760
[  689.655184]  ? smp_call_function_single_interrupt+0x159/0x650
[  689.661067]  ? smp_call_function_single_interrupt+0x650/0x650
[  689.666956]  ? interrupt_entry+0xb5/0xc0
[  689.671018]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.676033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.681052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.685898]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.690913]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.695926]  ? task_prio+0x50/0x50
[  689.699466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.705006]  ? check_preemption_disabled+0x48/0x280
[  689.710027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.714881]  apic_timer_interrupt+0xf/0x20
[  689.719106]  </IRQ>
[  689.721857] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  689.726790] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  689.745688] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  689.753394] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  689.760663] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  689.767929] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  689.775194] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  689.782466] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  689.790481]  skb_clone+0x1bb/0x500
[  689.794029]  ? finish_task_switch+0x2f4/0x910
[  689.798525]  ? skb_split+0x11e0/0x11e0
[  689.802414]  ? preempt_notifier_register+0x200/0x200
[  689.807521]  ? __switch_to_asm+0x34/0x70
[  689.811586]  ? __switch_to_asm+0x34/0x70
[  689.815652]  ? __switch_to_asm+0x40/0x70
[  689.819719]  ? __switch_to_asm+0x34/0x70
[  689.823785]  ? __switch_to_asm+0x40/0x70
[  689.827847]  ? __switch_to_asm+0x34/0x70
[  689.831909]  ? __switch_to_asm+0x40/0x70
[  689.835973]  ? __switch_to_asm+0x34/0x70
[  689.840037]  ? __switch_to_asm+0x34/0x70
[  689.844100]  ? __switch_to_asm+0x40/0x70
[  689.848165]  ? __switch_to_asm+0x34/0x70
[  689.852243]  bpf_clone_redirect+0xb9/0x490
[  689.856496]  ? __schedule+0x8d7/0x21d0
[  689.860389]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  689.865405]  ? __sched_text_start+0x8/0x8
[  689.869558]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  689.874140]  ? retint_kernel+0x2d/0x2d
[  689.878033]  ? trace_hardirqs_on_caller+0xc0/0x310
[  689.882969]  ? find_held_lock+0x36/0x1c0
[  689.887041]  ? lock_acquire+0x1ed/0x520
[  689.891021]  ? bpf_test_run+0x3cb/0x780
[  689.894995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.900534]  ? check_preemption_disabled+0x48/0x280
[  689.905560]  ? kasan_check_read+0x11/0x20
[  689.909709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.914987]  ? rcu_softirq_qs+0x20/0x20
[  689.918961]  ? preempt_schedule+0x4d/0x60
[  689.923109]  ? ___preempt_schedule+0x16/0x18
[  689.927528]  ? bpf_test_run+0x25d/0x780
[  689.931516]  ? netlink_diag_dump+0x2a0/0x2a0
[  689.935930]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.941466]  ? bpf_test_init.isra.10+0x70/0x100
[  689.946139]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  689.950909]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.955754]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.961300]  ? fput+0x130/0x1a0
[  689.964582]  ? __bpf_prog_get+0x9b/0x290
[  689.968647]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  689.973485]  ? bpf_prog_test_run+0x130/0x1a0
[  689.977896]  ? __x64_sys_bpf+0x3d8/0x520
[  689.981955]  ? bpf_prog_get+0x20/0x20
[  689.985791]  ? do_syscall_64+0x1b9/0x820
[  689.989856]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  689.995222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  690.000159]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.005175]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  690.010191]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  690.016859]  ? __switch_to_asm+0x40/0x70
[  690.020921]  ? __switch_to_asm+0x34/0x70
[  690.024987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.029841]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  690.035225] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  690.035309] aoe: skb alloc failure
[  690.041813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  690.041819] Call Trace:
[  690.041825]  <IRQ>
[  690.041843]  dump_stack+0x244/0x39d
[  690.041862]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.045412] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  690.054745]  warn_alloc.cold.116+0xb7/0x1bd
[  690.057299] syz-executor3 cpuset=syz3 mems_allowed=0
[  690.059442]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  690.092908]  ? lock_downgrade+0x900/0x900
[  690.097065]  ? trace_hardirqs_off+0xb8/0x310
[  690.101484]  ? trace_hardirqs_off+0xb8/0x310
[  690.105904]  __alloc_pages_slowpath+0x26e8/0x2e10
[  690.110783]  ? warn_alloc+0x120/0x120
[  690.114591]  ? print_usage_bug+0xc0/0xc0
[  690.118652]  ? warn_alloc+0x120/0x120
[  690.122457]  ? warn_alloc+0x120/0x120
[  690.126262]  ? print_usage_bug+0xc0/0xc0
[  690.130342]  ? print_usage_bug+0xc0/0xc0
[  690.134405]  ? __lock_acquire+0x62f/0x4c20
[  690.138648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.144187]  ? should_fail+0x22d/0xd01
[  690.148083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.153193]  ? __lock_acquire+0x62f/0x4c20
[  690.157431]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.162536]  ? __lock_acquire+0x62f/0x4c20
[  690.166769]  ? should_fail+0x22d/0xd01
[  690.170668]  ? find_held_lock+0x36/0x1c0
[  690.174742]  ? mark_held_locks+0x130/0x130
[  690.178983]  ? mark_held_locks+0x130/0x130
[  690.183215]  ? zap_class+0x640/0x640
[  690.186933]  ? zap_class+0x640/0x640
[  690.190652]  ? print_usage_bug+0xc0/0xc0
[  690.194710]  ? do_raw_spin_unlock+0xa7/0x330
[  690.199122]  ? zap_class+0x640/0x640
[  690.202836]  ? print_usage_bug+0xc0/0xc0
[  690.206901]  ? wq_watchdog_touch+0x9c/0xfe
[  690.211139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.216678]  ? check_preemption_disabled+0x48/0x280
[  690.221704]  ? __lock_is_held+0xb5/0x140
[  690.225773]  __alloc_pages_nodemask+0xa80/0xde0
[  690.230446]  ? zap_class+0x640/0x640
[  690.234166]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  690.239195]  ? find_held_lock+0x36/0x1c0
[  690.243280]  ? ____cache_alloc_node+0x1c7/0x1e0
[  690.247957]  ? lock_downgrade+0x900/0x900
[  690.252112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.257658]  cache_grow_begin+0xa5/0x8c0
[  690.261716]  ? do_raw_spin_unlock+0xa7/0x330
[  690.266135]  fallback_alloc+0x204/0x2e0
[  690.270120]  ____cache_alloc_node+0x1c7/0x1e0
[  690.274622]  kmem_cache_alloc_node+0xe3/0x730
[  690.279126]  ? ipv6_get_ifaddr+0x42e/0x620
[  690.283375]  __alloc_skb+0x119/0x770
[  690.287089]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.292373]  ? netdev_alloc_frag+0x1f0/0x1f0
[  690.296788]  ? lock_downgrade+0x900/0x900
[  690.300949]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.306485]  ? refcount_sub_and_test_checked+0x203/0x310
[  690.311941]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  690.317391]  ? addrconf_rs_timer+0x690/0x690
[  690.321819]  ndisc_alloc_skb+0x144/0x340
[  690.325895]  ndisc_send_rs+0x331/0x6e0
[  690.329792]  addrconf_rs_timer+0x314/0x690
[  690.334038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.338290]  call_timer_fn+0x272/0x920
[  690.342177]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.346412]  ? process_timeout+0x40/0x40
[  690.350486]  ? mark_held_locks+0xc7/0x130
[  690.354638]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.359132]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.363624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.367858]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.372444]  ? trace_hardirqs_on+0xbd/0x310
[  690.376765]  ? kasan_check_read+0x11/0x20
[  690.380918]  ? __run_timers+0x7da/0xc70
[  690.384898]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.390004]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.394245]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.398485]  __run_timers+0x7e5/0xc70
[  690.402301]  ? timer_fixup_init+0x70/0x70
[  690.406455]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  690.411475]  ? zap_class+0x640/0x640
[  690.415194]  ? print_usage_bug+0xc0/0xc0
[  690.419256]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  690.424463]  ? find_held_lock+0x36/0x1c0
[  690.428532]  ? zap_class+0x640/0x640
[  690.432251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.437804]  ? check_preemption_disabled+0x48/0x280
[  690.442837]  ? __lock_is_held+0xb5/0x140
[  690.446903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.452440]  ? check_preemption_disabled+0x48/0x280
[  690.457460]  run_timer_softirq+0x52/0xb0
[  690.461527]  ? rcu_read_lock_sched_held+0x14f/0x180
[  690.466544]  __do_softirq+0x308/0xb7e
[  690.470348]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  690.474845]  ? lock_downgrade+0x900/0x900
[  690.478996]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  690.484107]  ? pvclock_read_flags+0x160/0x160
[  690.488603]  ? lapic_next_event+0x5a/0x90
[  690.492753]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.498308]  ? kvm_clock_read+0x18/0x30
[  690.502288]  ? kvm_sched_clock_read+0x9/0x20
[  690.506699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.512237]  ? check_preemption_disabled+0x48/0x280
[  690.517277]  irq_exit+0x17f/0x1c0
[  690.520736]  smp_apic_timer_interrupt+0x1cb/0x760
[  690.525579]  ? smp_reschedule_interrupt+0x109/0x650
[  690.530600]  ? smp_call_function_single_interrupt+0x650/0x650
[  690.536485]  ? interrupt_entry+0xb5/0xc0
[  690.540554]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.545571]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.550592]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.555434]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.560453]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.565468]  ? task_prio+0x50/0x50
[  690.569011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.574548]  ? check_preemption_disabled+0x48/0x280
[  690.579575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.584430]  apic_timer_interrupt+0xf/0x20
[  690.588660]  </IRQ>
[  690.590897] RIP: 0010:dump_stack+0x358/0x39d
[  690.595310] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  690.614211] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  690.621922] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  690.629186] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  690.636460] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  690.643724] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  690.650989] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  690.658280]  ? dump_stack+0x34f/0x39d
[  690.662097]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.667295]  ? mark_held_locks+0x130/0x130
[  690.671530]  ? mark_held_locks+0x130/0x130
[  690.675772]  dump_header+0x27b/0xf72
[  690.679505]  ? pagefault_out_of_memory+0x197/0x197
[  690.684442]  ? __lock_acquire+0x62f/0x4c20
[  690.688679]  ? percpu_ref_get_many+0x240/0x240
[  690.693263]  ? print_usage_bug+0xc0/0xc0
[  690.697343]  ? zap_class+0x640/0x640
[  690.701063]  ? print_usage_bug+0xc0/0xc0
[  690.705123]  ? print_usage_bug+0xc0/0xc0
[  690.709190]  ? zap_class+0x640/0x640
[  690.712905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.718451]  ? find_held_lock+0x36/0x1c0
[  690.722528]  ? mark_held_locks+0xc7/0x130
[  690.726686]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.731797]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  690.736902]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  690.741487]  ? trace_hardirqs_on+0xbd/0x310
[  690.745813]  ? kasan_check_read+0x11/0x20
[  690.749962]  ? ___ratelimit+0x3b4/0x672
[  690.753937]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.759042]  ? trace_hardirqs_on+0x310/0x310
[  690.763458]  ? lock_downgrade+0x900/0x900
[  690.767616]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  690.772717]  ? ___ratelimit+0x3b9/0x672
[  690.776696]  ? idr_get_free+0xf70/0xf70
[  690.780672]  ? find_held_lock+0x36/0x1c0
[  690.784745]  oom_kill_process.cold.27+0x10/0x903
[  690.789506]  ? zap_class+0x640/0x640
[  690.793222]  ? check_preemption_disabled+0x48/0x280
[  690.798240]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.803178]  ? kasan_check_read+0x11/0x20
[  690.807329]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.812606]  ? oom_evaluate_task+0x540/0x540
[  690.817020]  ? find_held_lock+0x36/0x1c0
[  690.821090]  ? out_of_memory+0x974/0x1430
[  690.825241]  ? lock_downgrade+0x900/0x900
[  690.829400]  ? check_preemption_disabled+0x48/0x280
[  690.834420]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  690.839353]  ? kasan_check_read+0x11/0x20
[  690.843501]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.848786]  ? rcu_softirq_qs+0x20/0x20
[  690.853293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.858836]  ? oom_evaluate_task+0x302/0x540
[  690.863249]  out_of_memory+0xa84/0x1430
[  690.867245]  ? oom_killer_disable+0x3a0/0x3a0
[  690.871754]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  690.876691]  ? __ww_mutex_check_waiters+0x160/0x160
[  690.881720]  __alloc_pages_slowpath+0x2354/0x2e10
[  690.886598]  ? warn_alloc+0x120/0x120
[  690.890396]  ? mark_held_locks+0x130/0x130
[  690.894636]  ? find_get_entry+0xaae/0x1120
[  690.898883]  ? filemap_map_pages+0x1a20/0x1a20
[  690.903469]  ? zap_class+0x640/0x640
[  690.907189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.912726]  ? check_preemption_disabled+0x48/0x280
[  690.920439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.925980]  ? should_fail+0x22d/0xd01
[  690.929873]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.934981]  ? zap_class+0x640/0x640
[  690.938723]  ? __lock_is_held+0xb5/0x140
[  690.942800]  ? mark_held_locks+0x130/0x130
[  690.947041]  ? lock_release+0xa00/0xa00
[  690.951016]  ? perf_trace_sched_process_exec+0x860/0x860
[  690.956471]  ? xa_load+0x2ba/0x460
[  690.960015]  ? lock_downgrade+0x900/0x900
[  690.964169]  ? __might_sleep+0x95/0x190
[  690.968166]  __alloc_pages_nodemask+0xa80/0xde0
[  690.972844]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  690.977863]  ? __page_cache_alloc+0x191/0x5c0
[  690.982359]  ? xa_load+0x2e1/0x460
[  690.985900]  ? xa_clear_mark+0x40/0x40
[  690.989798]  ? zap_class+0x640/0x640
[  690.993524]  ? zap_class+0x640/0x640
[  690.997235]  ? zap_class+0x640/0x640
[  691.000956]  ? __do_page_cache_readahead+0x663/0x810
[  691.006068]  ? find_held_lock+0x36/0x1c0
[  691.010138]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  691.015688]  alloc_pages_current+0x173/0x350
[  691.020104]  __page_cache_alloc+0x38c/0x5c0
[  691.024427]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.029361]  ? kasan_check_read+0x11/0x20
[  691.033511]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.038800]  ? generic_perform_write+0x6a0/0x6a0
[  691.043558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.049096]  ? check_preemption_disabled+0x48/0x280
[  691.054210]  filemap_fault+0x1595/0x25f0
[  691.058295]  ? __lock_page_or_retry+0xa00/0xa00
[  691.062969]  ? mark_held_locks+0x130/0x130
[  691.067212]  ? filemap_map_pages+0xd6b/0x1a20
[  691.071711]  ? lock_downgrade+0x900/0x900
[  691.075862]  ? check_preemption_disabled+0x48/0x280
[  691.080884]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.085813]  ? kasan_check_read+0x11/0x20
[  691.089996]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.095285]  ? rcu_softirq_qs+0x20/0x20
[  691.099288]  ? filemap_map_pages+0xd92/0x1a20
[  691.103798]  ? print_usage_bug+0xc0/0xc0
[  691.107867]  ? find_get_entries_tag+0x1400/0x1400
[  691.112708]  ? __kasan_slab_free+0x102/0x150
[  691.117115]  ? kasan_slab_free+0xe/0x10
[  691.121086]  ? kmem_cache_free+0x83/0x290
[  691.125237]  ? __sigqueue_free.part.29+0x74/0x90
[  691.130019]  ? lock_acquire+0x1ed/0x520
[  691.133995]  ? ext4_filemap_fault+0x7a/0xad
[  691.138324]  ? lock_release+0xa00/0xa00
[  691.142303]  ? perf_trace_sched_process_exec+0x860/0x860
[  691.147756]  ? print_usage_bug+0xc0/0xc0
[  691.151825]  ? print_usage_bug+0xc0/0xc0
[  691.155899]  ? down_read+0x8d/0x120
[  691.159530]  ? ext4_filemap_fault+0x7a/0xad
[  691.163852]  ? __down_interruptible+0x700/0x700
[  691.168536]  ext4_filemap_fault+0x82/0xad
[  691.172689]  __do_fault+0x100/0x6b0
[  691.176324]  ? pmd_devmap_trans_unstable+0x220/0x220
[  691.181435]  ? mark_held_locks+0x130/0x130
[  691.185672]  ? mark_held_locks+0x130/0x130
[  691.189910]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  691.195449]  ? rcu_pm_notify+0xc0/0xc0
[  691.199345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.204892]  __handle_mm_fault+0x3ea6/0x5be0
[  691.209314]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  691.214159]  ? _raw_spin_unlock_irq+0x27/0x80
[  691.218658]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  691.223247]  ? trace_hardirqs_on+0xbd/0x310
[  691.227578]  ? kasan_check_read+0x11/0x20
[  691.231728]  ? __set_current_blocked+0xdf/0x120
[  691.236402]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.241521]  ? zap_class+0x640/0x640
[  691.245233]  ? zap_class+0x640/0x640
[  691.248968]  ? find_held_lock+0x36/0x1c0
[  691.253041]  ? handle_mm_fault+0x42a/0xc70
[  691.257284]  ? lock_downgrade+0x900/0x900
[  691.261433]  ? check_preemption_disabled+0x48/0x280
[  691.266460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.271389]  ? kasan_check_read+0x11/0x20
[  691.275535]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.280809]  ? rcu_softirq_qs+0x20/0x20
[  691.284789]  ? trace_hardirqs_off_caller+0x310/0x310
[  691.289899]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.295441]  ? check_preemption_disabled+0x48/0x280
[  691.300473]  handle_mm_fault+0x54f/0xc70
[  691.304541]  ? __handle_mm_fault+0x5be0/0x5be0
[  691.309130]  ? find_vma+0x34/0x190
[  691.312681]  __do_page_fault+0x5e8/0xe60
[  691.316742]  ? exit_to_usermode_loop+0x1f4/0x380
[  691.321511]  do_page_fault+0xf2/0x7e0
[  691.325312]  ? vmalloc_sync_all+0x30/0x30
[  691.329461]  ? error_entry+0x70/0xd0
[  691.333175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.338188]  ? trace_hardirqs_on_caller+0xc0/0x310
[  691.343121]  ? syscall_return_slowpath+0x5e0/0x5e0
[  691.348065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.352915]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.357931]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  691.363388]  ? prepare_exit_to_usermode+0x291/0x3b0
[  691.368407]  ? page_fault+0x8/0x30
[  691.371950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.376800]  ? page_fault+0x8/0x30
[  691.380348]  page_fault+0x1e/0x30
[  691.383807] RIP: 0033:0x45db60
[  691.387015] Code: Bad RIP value.
[  691.390379] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  691.395741] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  691.403006] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  691.410283] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  691.417549] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  691.424820] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  691.432117] warn_alloc_show_mem: 1 callbacks suppressed
[  691.432130] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  691.432132] Mem-Info:
[  691.432163] active_anon:45842 inactive_anon:131 isolated_anon:0
[  691.432163]  active_file:10 inactive_file:14 isolated_file:0
[  691.432163]  unevictable:0 dirty:0 writeback:0 unstable:0
[  691.432163]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  691.432163]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  691.432163]  free:13767 free_pcp:218 free_cma:0
[  691.437508] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  691.444439] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  691.446837] Call Trace:
[  691.479712] 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
[  691.489058]  <IRQ>
[  691.516545] lowmem_reserve[]: 0 2818 6321 6321
[  691.519135]  dump_stack+0x244/0x39d
[  691.545220] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  691.547376]  ? dump_stack_print_info.cold.1+0x20/0x20
[  691.551925] lowmem_reserve[]: 0 0 3503 3503
[  691.555559]  warn_alloc.cold.116+0xb7/0x1bd
[  691.582853] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  691.588041]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  691.592331] lowmem_reserve[]: 0 0 0 0
[  691.596648]  ? lock_downgrade+0x900/0x900
[  691.625514] 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
[  691.630366]  ? trace_hardirqs_off+0xb8/0x310
[  691.634129] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  691.638287]  ? trace_hardirqs_off+0xb8/0x310
[  691.651782] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  691.656187]  __alloc_pages_slowpath+0x26e8/0x2e10
[  691.671423] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  691.675850]  ? warn_alloc+0x120/0x120
[  691.690636] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  691.695476]  ? warn_alloc+0x120/0x120
[  691.704287] 162 total pagecache pages
[  691.708085]  ? __lock_acquire+0x62f/0x4c20
[  691.716641] 0 pages in swap cache
[  691.720433]  ? warn_alloc+0x120/0x120
[  691.724455] Swap cache stats: add 0, delete 0, find 0/0
[  691.724465] Free swap  = 0kB
[  691.728701]  ? print_usage_bug+0xc0/0xc0
[  691.732119] Total swap = 0kB
[  691.732126] 1965979 pages RAM
[  691.735923]  ? print_usage_bug+0xc0/0xc0
[  691.741258] 0 pages HighMem/MovableOnly
[  691.744294]  ? mark_held_locks+0x130/0x130
[  691.748324] 342855 pages reserved
[  691.748333] 0 pages cma reserved
[  691.751347]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.754492] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  691.758478]  ? should_fail+0x22d/0xd01
[  691.758491]  ? zap_class+0x640/0x640
[  691.758508]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.762522] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  691.766694]  ? __lock_acquire+0x62f/0x4c20
[  691.770125] syz-fuzzer cpuset=/ mems_allowed=0
[  691.773487]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.822301]  ? should_fail+0x22d/0xd01
[  691.826204]  ? mark_held_locks+0x130/0x130
[  691.830445]  ? mark_held_locks+0x130/0x130
[  691.834682]  ? lock_downgrade+0x900/0x900
[  691.838845]  ? zap_class+0x640/0x640
[  691.842557]  ? zap_class+0x640/0x640
[  691.846286]  ? zap_class+0x640/0x640
[  691.849999]  ? do_raw_spin_unlock+0xa7/0x330
[  691.854406]  ? trace_hardirqs_on+0x310/0x310
[  691.858819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.864366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.869904]  ? check_preemption_disabled+0x48/0x280
[  691.874936]  ? __lock_is_held+0xb5/0x140
[  691.879006]  __alloc_pages_nodemask+0xa80/0xde0
[  691.883673]  ? zap_class+0x640/0x640
[  691.887392]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  691.892425]  ? find_held_lock+0x36/0x1c0
[  691.896497]  ? ____cache_alloc_node+0x1c7/0x1e0
[  691.901171]  ? lock_downgrade+0x900/0x900
[  691.905327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.910875]  cache_grow_begin+0xa5/0x8c0
[  691.914937]  ? do_raw_spin_unlock+0xa7/0x330
[  691.919362]  fallback_alloc+0x204/0x2e0
[  691.923348]  ____cache_alloc_node+0x1c7/0x1e0
[  691.927849]  kmem_cache_alloc_node+0xe3/0x730
[  691.932359]  __alloc_skb+0x119/0x770
[  691.936074]  ? retint_kernel+0x2d/0x2d
[  691.939968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.944383]  ? vprintk_default+0x28/0x30
[  691.948442]  ? vprintk_func+0x85/0x181
[  691.952334]  ? printk+0xa7/0xcf
[  691.955617]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  691.960377]  ? do_raw_spin_trylock+0x270/0x270
[  691.964964]  new_skb+0x26/0x1c0
[  691.968243]  aoecmd_cfg+0x279/0x7f0
[  691.971885]  ? find_held_lock+0x36/0x1c0
[  691.975963]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  691.980303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.985854]  ? __lock_is_held+0xb5/0x140
[  691.989926]  discover_timer+0x50/0x60
[  691.993726]  call_timer_fn+0x272/0x920
[  691.997617]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.002472]  ? process_timeout+0x40/0x40
[  692.006542]  ? __run_timers+0x7da/0xc70
[  692.010525]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.015023]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.019521]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.024364]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.028952]  ? trace_hardirqs_on+0xbd/0x310
[  692.033289]  ? kasan_check_read+0x11/0x20
[  692.037439]  ? __run_timers+0x7da/0xc70
[  692.041419]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.046537]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  692.051380]  __run_timers+0x7e5/0xc70
[  692.055191]  ? timer_fixup_init+0x70/0x70
[  692.059344]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.064361]  ? zap_class+0x640/0x640
[  692.068080]  ? enqueue_hrtimer+0x1a5/0x560
[  692.072323]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.077522]  ? find_held_lock+0x36/0x1c0
[  692.081590]  ? zap_class+0x640/0x640
[  692.085310]  ? pvclock_read_flags+0x160/0x160
[  692.089812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.095355]  ? check_preemption_disabled+0x48/0x280
[  692.100383]  ? __lock_is_held+0xb5/0x140
[  692.104444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.109983]  ? check_preemption_disabled+0x48/0x280
[  692.115005]  run_timer_softirq+0x52/0xb0
[  692.119064]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.124079]  __do_softirq+0x308/0xb7e
[  692.127881]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.132373]  ? lock_downgrade+0x900/0x900
[  692.136528]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.141644]  ? pvclock_read_flags+0x160/0x160
[  692.146139]  ? lapic_next_event+0x5a/0x90
[  692.150299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.155844]  ? kvm_clock_read+0x18/0x30
[  692.159816]  ? kvm_sched_clock_read+0x9/0x20
[  692.164230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.169767]  ? check_preemption_disabled+0x48/0x280
[  692.174798]  irq_exit+0x17f/0x1c0
[  692.178251]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.183104]  ? smp_call_function_single_interrupt+0x159/0x650
[  692.188989]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.194879]  ? interrupt_entry+0xb5/0xc0
[  692.198943]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.203956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  692.208976]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.213818]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.218836]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.223854]  ? task_prio+0x50/0x50
[  692.227397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.232941]  ? check_preemption_disabled+0x48/0x280
[  692.237962]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.242813]  apic_timer_interrupt+0xf/0x20
[  692.247040]  </IRQ>
[  692.249295] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  692.254231] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  692.273134] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  692.280842] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  692.288110] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  692.295376] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  692.302641] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  692.309908] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  692.317227]  skb_clone+0x1bb/0x500
[  692.320773]  ? finish_task_switch+0x2f4/0x910
[  692.325283]  ? skb_split+0x11e0/0x11e0
[  692.329176]  ? preempt_notifier_register+0x200/0x200
[  692.334294]  ? __switch_to_asm+0x34/0x70
[  692.338357]  ? __switch_to_asm+0x34/0x70
[  692.342416]  ? __switch_to_asm+0x40/0x70
[  692.346479]  ? __switch_to_asm+0x34/0x70
[  692.350540]  ? __switch_to_asm+0x40/0x70
[  692.354601]  ? __switch_to_asm+0x34/0x70
[  692.358664]  ? __switch_to_asm+0x40/0x70
[  692.362726]  ? __switch_to_asm+0x34/0x70
[  692.366785]  ? __switch_to_asm+0x34/0x70
[  692.370845]  ? __switch_to_asm+0x40/0x70
[  692.374903]  ? __switch_to_asm+0x34/0x70
[  692.378971]  bpf_clone_redirect+0xb9/0x490
[  692.383209]  ? __schedule+0x8d7/0x21d0
[  692.387100]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  692.392118]  ? __sched_text_start+0x8/0x8
[  692.396282]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  692.400869]  ? retint_kernel+0x2d/0x2d
[  692.404758]  ? trace_hardirqs_on_caller+0xc0/0x310
[  692.409696]  ? find_held_lock+0x36/0x1c0
[  692.413769]  ? lock_acquire+0x1ed/0x520
[  692.417742]  ? bpf_test_run+0x3cb/0x780
[  692.421718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.427259]  ? check_preemption_disabled+0x48/0x280
[  692.432308]  ? kasan_check_read+0x11/0x20
[  692.436455]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.441731]  ? rcu_softirq_qs+0x20/0x20
[  692.445705]  ? preempt_schedule+0x4d/0x60
[  692.449855]  ? ___preempt_schedule+0x16/0x18
[  692.454287]  ? bpf_test_run+0x25d/0x780
[  692.458288]  ? netlink_diag_dump+0x2a0/0x2a0
[  692.462701]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.468240]  ? bpf_test_init.isra.10+0x70/0x100
[  692.472929]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  692.477695]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.482535]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  692.488071]  ? fput+0x130/0x1a0
[  692.491351]  ? __bpf_prog_get+0x9b/0x290
[  692.495414]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  692.500258]  ? bpf_prog_test_run+0x130/0x1a0
[  692.504688]  ? __x64_sys_bpf+0x3d8/0x520
[  692.508748]  ? bpf_prog_get+0x20/0x20
[  692.512571]  ? do_syscall_64+0x1b9/0x820
[  692.516635]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  692.521999]  ? syscall_return_slowpath+0x5e0/0x5e0
[  692.526936]  ? trace_hardirqs_on_caller+0x310/0x310
[  692.531956]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  692.536977]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  692.543649]  ? __switch_to_asm+0x40/0x70
[  692.547709]  ? __switch_to_asm+0x34/0x70
[  692.551784]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  692.556639]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  692.562026] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  692.562112] aoe: skb alloc failure
[  692.568605] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  692.568610] Call Trace:
[  692.568617]  <IRQ>
[  692.568635]  dump_stack+0x244/0x39d
[  692.568654]  ? dump_stack_print_info.cold.1+0x20/0x20
[  692.572221] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  692.581530]  warn_alloc.cold.116+0xb7/0x1bd
[  692.584078] syz-executor3 cpuset=syz3 mems_allowed=0
[  692.586225]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  692.619707]  ? lock_downgrade+0x900/0x900
[  692.623867]  ? trace_hardirqs_off+0xb8/0x310
[  692.628291]  ? trace_hardirqs_off+0xb8/0x310
[  692.632714]  __alloc_pages_slowpath+0x26e8/0x2e10
[  692.637587]  ? warn_alloc+0x120/0x120
[  692.641392]  ? print_usage_bug+0xc0/0xc0
[  692.645459]  ? warn_alloc+0x120/0x120
[  692.649264]  ? warn_alloc+0x120/0x120
[  692.653079]  ? print_usage_bug+0xc0/0xc0
[  692.657146]  ? print_usage_bug+0xc0/0xc0
[  692.661212]  ? __lock_acquire+0x62f/0x4c20
[  692.665459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.670996]  ? should_fail+0x22d/0xd01
[  692.674889]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.680009]  ? __lock_acquire+0x62f/0x4c20
[  692.684253]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.689361]  ? __lock_acquire+0x62f/0x4c20
[  692.693594]  ? should_fail+0x22d/0xd01
[  692.697481]  ? find_held_lock+0x36/0x1c0
[  692.701554]  ? mark_held_locks+0x130/0x130
[  692.705799]  ? mark_held_locks+0x130/0x130
[  692.710032]  ? zap_class+0x640/0x640
[  692.713746]  ? zap_class+0x640/0x640
[  692.717467]  ? print_usage_bug+0xc0/0xc0
[  692.721527]  ? do_raw_spin_unlock+0xa7/0x330
[  692.725942]  ? zap_class+0x640/0x640
[  692.729653]  ? print_usage_bug+0xc0/0xc0
[  692.733716]  ? wq_watchdog_touch+0x9c/0xfe
[  692.737955]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.743499]  ? check_preemption_disabled+0x48/0x280
[  692.748529]  ? __lock_is_held+0xb5/0x140
[  692.752602]  __alloc_pages_nodemask+0xa80/0xde0
[  692.757279]  ? zap_class+0x640/0x640
[  692.761003]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  692.766034]  ? find_held_lock+0x36/0x1c0
[  692.770111]  ? ____cache_alloc_node+0x1c7/0x1e0
[  692.774787]  ? lock_downgrade+0x900/0x900
[  692.778946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.784490]  cache_grow_begin+0xa5/0x8c0
[  692.788555]  ? do_raw_spin_unlock+0xa7/0x330
[  692.792970]  fallback_alloc+0x204/0x2e0
[  692.796954]  ____cache_alloc_node+0x1c7/0x1e0
[  692.801457]  kmem_cache_alloc_node+0xe3/0x730
[  692.805954]  ? ipv6_get_ifaddr+0x42e/0x620
[  692.810205]  __alloc_skb+0x119/0x770
[  692.813919]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.819201]  ? netdev_alloc_frag+0x1f0/0x1f0
[  692.823611]  ? lock_downgrade+0x900/0x900
[  692.827768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.833314]  ? refcount_sub_and_test_checked+0x203/0x310
[  692.838767]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  692.844222]  ? addrconf_rs_timer+0x690/0x690
[  692.848658]  ndisc_alloc_skb+0x144/0x340
[  692.853204]  ndisc_send_rs+0x331/0x6e0
[  692.857100]  addrconf_rs_timer+0x314/0x690
[  692.861345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.865591]  call_timer_fn+0x272/0x920
[  692.869482]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.873716]  ? process_timeout+0x40/0x40
[  692.877795]  ? mark_held_locks+0xc7/0x130
[  692.881948]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.886447]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.890944]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.895178]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.899764]  ? trace_hardirqs_on+0xbd/0x310
[  692.904095]  ? kasan_check_read+0x11/0x20
[  692.908239]  ? __run_timers+0x7da/0xc70
[  692.912224]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.917334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.921576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.925817]  __run_timers+0x7e5/0xc70
[  692.929630]  ? timer_fixup_init+0x70/0x70
[  692.933793]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.938817]  ? zap_class+0x640/0x640
[  692.942537]  ? print_usage_bug+0xc0/0xc0
[  692.946601]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.951807]  ? find_held_lock+0x36/0x1c0
[  692.955874]  ? zap_class+0x640/0x640
[  692.959595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.965143]  ? check_preemption_disabled+0x48/0x280
[  692.970170]  ? __lock_is_held+0xb5/0x140
[  692.974237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.979787]  ? check_preemption_disabled+0x48/0x280
[  692.984814]  run_timer_softirq+0x52/0xb0
[  692.988880]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.993896]  __do_softirq+0x308/0xb7e
[  692.997702]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  693.002195]  ? lock_downgrade+0x900/0x900
[  693.006346]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  693.011463]  ? pvclock_read_flags+0x160/0x160
[  693.015964]  ? lapic_next_event+0x5a/0x90
[  693.020119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.025665]  ? kvm_clock_read+0x18/0x30
[  693.029641]  ? kvm_sched_clock_read+0x9/0x20
[  693.034056]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.039595]  ? check_preemption_disabled+0x48/0x280
[  693.044630]  irq_exit+0x17f/0x1c0
[  693.048092]  smp_apic_timer_interrupt+0x1cb/0x760
[  693.052938]  ? smp_reschedule_interrupt+0x109/0x650
[  693.057957]  ? smp_call_function_single_interrupt+0x650/0x650
[  693.063846]  ? interrupt_entry+0xb5/0xc0
[  693.067911]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.072925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.077942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.082796]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.087814]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.092831]  ? task_prio+0x50/0x50
[  693.096375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.101921]  ? check_preemption_disabled+0x48/0x280
[  693.106947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.111809]  apic_timer_interrupt+0xf/0x20
[  693.116037]  </IRQ>
[  693.118283] RIP: 0010:dump_stack+0x358/0x39d
[  693.122723] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  693.141625] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  693.149336] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  693.156600] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  693.163869] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  693.171143] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  693.178414] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  693.185712]  ? dump_stack+0x34f/0x39d
[  693.189530]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.194730]  ? mark_held_locks+0x130/0x130
[  693.198966]  ? mark_held_locks+0x130/0x130
[  693.203206]  dump_header+0x27b/0xf72
[  693.206933]  ? pagefault_out_of_memory+0x197/0x197
[  693.211870]  ? __lock_acquire+0x62f/0x4c20
[  693.216108]  ? percpu_ref_get_many+0x240/0x240
[  693.220697]  ? print_usage_bug+0xc0/0xc0
[  693.224767]  ? zap_class+0x640/0x640
[  693.228501]  ? print_usage_bug+0xc0/0xc0
[  693.232561]  ? print_usage_bug+0xc0/0xc0
[  693.236626]  ? zap_class+0x640/0x640
[  693.240347]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.245890]  ? find_held_lock+0x36/0x1c0
[  693.249966]  ? mark_held_locks+0xc7/0x130
[  693.254118]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.259222]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  693.264329]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  693.268912]  ? trace_hardirqs_on+0xbd/0x310
[  693.273234]  ? kasan_check_read+0x11/0x20
[  693.277385]  ? ___ratelimit+0x3b4/0x672
[  693.281365]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.286473]  ? trace_hardirqs_on+0x310/0x310
[  693.290886]  ? lock_downgrade+0x900/0x900
[  693.295046]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  693.300150]  ? ___ratelimit+0x3b9/0x672
[  693.304125]  ? idr_get_free+0xf70/0xf70
[  693.308101]  ? find_held_lock+0x36/0x1c0
[  693.312178]  oom_kill_process.cold.27+0x10/0x903
[  693.316932]  ? zap_class+0x640/0x640
[  693.320645]  ? check_preemption_disabled+0x48/0x280
[  693.325669]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.330602]  ? kasan_check_read+0x11/0x20
[  693.334747]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.340035]  ? oom_evaluate_task+0x540/0x540
[  693.344456]  ? find_held_lock+0x36/0x1c0
[  693.348530]  ? out_of_memory+0x974/0x1430
[  693.352858]  ? lock_downgrade+0x900/0x900
[  693.357007]  ? check_preemption_disabled+0x48/0x280
[  693.362028]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.366955]  ? kasan_check_read+0x11/0x20
[  693.371103]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.376380]  ? rcu_softirq_qs+0x20/0x20
[  693.380365]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.385903]  ? oom_evaluate_task+0x302/0x540
[  693.390325]  out_of_memory+0xa84/0x1430
[  693.394319]  ? oom_killer_disable+0x3a0/0x3a0
[  693.398820]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  693.403754]  ? __ww_mutex_check_waiters+0x160/0x160
[  693.408795]  __alloc_pages_slowpath+0x2354/0x2e10
[  693.413674]  ? warn_alloc+0x120/0x120
[  693.417474]  ? mark_held_locks+0x130/0x130
[  693.421715]  ? find_get_entry+0xaae/0x1120
[  693.425960]  ? filemap_map_pages+0x1a20/0x1a20
[  693.430547]  ? zap_class+0x640/0x640
[  693.434266]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.439816]  ? check_preemption_disabled+0x48/0x280
[  693.444835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.450374]  ? should_fail+0x22d/0xd01
[  693.454275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.459383]  ? zap_class+0x640/0x640
[  693.463123]  ? __lock_is_held+0xb5/0x140
[  693.467196]  ? mark_held_locks+0x130/0x130
[  693.471445]  ? lock_release+0xa00/0xa00
[  693.475428]  ? perf_trace_sched_process_exec+0x860/0x860
[  693.480878]  ? xa_load+0x2ba/0x460
[  693.484420]  ? lock_downgrade+0x900/0x900
[  693.488578]  ? __might_sleep+0x95/0x190
[  693.492561]  __alloc_pages_nodemask+0xa80/0xde0
[  693.497239]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  693.502282]  ? __page_cache_alloc+0x191/0x5c0
[  693.506797]  ? xa_load+0x2e1/0x460
[  693.510346]  ? xa_clear_mark+0x40/0x40
[  693.514239]  ? zap_class+0x640/0x640
[  693.517970]  ? zap_class+0x640/0x640
[  693.521686]  ? zap_class+0x640/0x640
[  693.525404]  ? __do_page_cache_readahead+0x663/0x810
[  693.530512]  ? find_held_lock+0x36/0x1c0
[  693.534579]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  693.540123]  alloc_pages_current+0x173/0x350
[  693.544540]  __page_cache_alloc+0x38c/0x5c0
[  693.548858]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.553791]  ? kasan_check_read+0x11/0x20
[  693.557941]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.563223]  ? generic_perform_write+0x6a0/0x6a0
[  693.567984]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.573525]  ? check_preemption_disabled+0x48/0x280
[  693.578552]  filemap_fault+0x1595/0x25f0
[  693.582631]  ? __lock_page_or_retry+0xa00/0xa00
[  693.587307]  ? mark_held_locks+0x130/0x130
[  693.591558]  ? filemap_map_pages+0xd6b/0x1a20
[  693.596054]  ? lock_downgrade+0x900/0x900
[  693.600204]  ? check_preemption_disabled+0x48/0x280
[  693.605224]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.610154]  ? kasan_check_read+0x11/0x20
[  693.614302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.619581]  ? rcu_softirq_qs+0x20/0x20
[  693.623569]  ? filemap_map_pages+0xd92/0x1a20
[  693.628071]  ? print_usage_bug+0xc0/0xc0
[  693.632149]  ? find_get_entries_tag+0x1400/0x1400
[  693.636993]  ? __kasan_slab_free+0x102/0x150
[  693.641399]  ? kasan_slab_free+0xe/0x10
[  693.645373]  ? kmem_cache_free+0x83/0x290
[  693.649525]  ? __sigqueue_free.part.29+0x74/0x90
[  693.654312]  ? lock_acquire+0x1ed/0x520
[  693.658292]  ? ext4_filemap_fault+0x7a/0xad
[  693.662623]  ? lock_release+0xa00/0xa00
[  693.666597]  ? perf_trace_sched_process_exec+0x860/0x860
[  693.672056]  ? print_usage_bug+0xc0/0xc0
[  693.676122]  ? print_usage_bug+0xc0/0xc0
[  693.680199]  ? down_read+0x8d/0x120
[  693.683824]  ? ext4_filemap_fault+0x7a/0xad
[  693.688149]  ? __down_interruptible+0x700/0x700
[  693.692828]  ext4_filemap_fault+0x82/0xad
[  693.696984]  __do_fault+0x100/0x6b0
[  693.700615]  ? pmd_devmap_trans_unstable+0x220/0x220
[  693.705723]  ? mark_held_locks+0x130/0x130
[  693.709968]  ? mark_held_locks+0x130/0x130
[  693.714205]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  693.719750]  ? rcu_pm_notify+0xc0/0xc0
[  693.723898]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.729450]  __handle_mm_fault+0x3ea6/0x5be0
[  693.733869]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  693.738716]  ? _raw_spin_unlock_irq+0x27/0x80
[  693.743218]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  693.747809]  ? trace_hardirqs_on+0xbd/0x310
[  693.752131]  ? kasan_check_read+0x11/0x20
[  693.756284]  ? __set_current_blocked+0xdf/0x120
[  693.760958]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.766078]  ? zap_class+0x640/0x640
[  693.769795]  ? zap_class+0x640/0x640
[  693.773521]  ? find_held_lock+0x36/0x1c0
[  693.777593]  ? handle_mm_fault+0x42a/0xc70
[  693.781829]  ? lock_downgrade+0x900/0x900
[  693.785977]  ? check_preemption_disabled+0x48/0x280
[  693.790999]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.795929]  ? kasan_check_read+0x11/0x20
[  693.800079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.805359]  ? rcu_softirq_qs+0x20/0x20
[  693.809333]  ? trace_hardirqs_off_caller+0x310/0x310
[  693.814439]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.819982]  ? check_preemption_disabled+0x48/0x280
[  693.825010]  handle_mm_fault+0x54f/0xc70
[  693.829075]  ? __handle_mm_fault+0x5be0/0x5be0
[  693.833664]  ? find_vma+0x34/0x190
[  693.837212]  __do_page_fault+0x5e8/0xe60
[  693.841285]  ? exit_to_usermode_loop+0x1f4/0x380
[  693.846055]  do_page_fault+0xf2/0x7e0
[  693.849860]  ? vmalloc_sync_all+0x30/0x30
[  693.854009]  ? error_entry+0x70/0xd0
[  693.857725]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.862741]  ? trace_hardirqs_on_caller+0xc0/0x310
[  693.867672]  ? syscall_return_slowpath+0x5e0/0x5e0
[  693.872603]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.877453]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.882468]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  693.887930]  ? prepare_exit_to_usermode+0x291/0x3b0
[  693.892952]  ? page_fault+0x8/0x30
[  693.896500]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.901345]  ? page_fault+0x8/0x30
[  693.904887]  page_fault+0x1e/0x30
[  693.908341] RIP: 0033:0x45db60
[  693.911554] Code: Bad RIP value.
[  693.914917] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  693.920286] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  693.927554] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  693.934824] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  693.942091] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  693.949358] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  693.956664] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  693.956669] warn_alloc_show_mem: 1 callbacks suppressed
[  693.956676] Mem-Info:
[  693.963600] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  693.968969] active_anon:45842 inactive_anon:131 isolated_anon:0
[  693.968969]  active_file:10 inactive_file:14 isolated_file:0
[  693.968969]  unevictable:0 dirty:0 writeback:0 unstable:0
[  693.968969]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  693.968969]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  693.968969]  free:13767 free_pcp:218 free_cma:0
[  693.971340] Call Trace:
[  693.980730] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  694.013577]  <IRQ>
[  694.016149] 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
[  694.043646]  dump_stack+0x244/0x39d
[  694.045772] lowmem_reserve[]: 0 2818 6321 6321
[  694.071879]  ? dump_stack_print_info.cold.1+0x20/0x20
[  694.075480] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  694.080065]  warn_alloc.cold.116+0xb7/0x1bd
[  694.085237] lowmem_reserve[]: 0 0 3503 3503
[  694.112562]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  694.116856] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  694.121175]  ? lock_downgrade+0x900/0x900
[  694.125989] lowmem_reserve[]: 0 0 0 0
[  694.154876]  ? trace_hardirqs_off+0xb8/0x310
[  694.158995] 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
[  694.162796]  ? trace_hardirqs_off+0xb8/0x310
[  694.167178] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  694.180708]  __alloc_pages_slowpath+0x26e8/0x2e10
[  694.185088] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  694.200379]  ? warn_alloc+0x120/0x120
[  694.205178] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  694.219996]  ? warn_alloc+0x120/0x120
[  694.223777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  694.232603]  ? warn_alloc+0x120/0x120
[  694.236382] 162 total pagecache pages
[  694.244952]  ? mark_held_locks+0x130/0x130
[  694.248731] 0 pages in swap cache
[  694.252516]  ? print_usage_bug+0xc0/0xc0
[  694.256729] Swap cache stats: add 0, delete 0, find 0/0
[  694.260174]  ? print_usage_bug+0xc0/0xc0
[  694.264211] Free swap  = 0kB
[  694.269570]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.273603] Total swap = 0kB
[  694.276618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.282131] 1965979 pages RAM
[  694.285147]  ? should_fail+0x22d/0xd01
[  694.290657] 0 pages HighMem/MovableOnly
[  694.293758]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.297618] 342855 pages reserved
[  694.301590]  ? __lock_acquire+0x62f/0x4c20
[  694.306665] 0 pages cma reserved
[  694.310117]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.314391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  694.317688]  ? __lock_acquire+0x62f/0x4c20
[  694.317701]  ? should_fail+0x22d/0xd01
[  694.317726]  ? mark_held_locks+0x130/0x130
[  694.322865] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.329302]  ? mark_held_locks+0x130/0x130
[  694.333504] syz-fuzzer cpuset=/ mems_allowed=0
[  694.337389]  ? trace_hardirqs_on+0x310/0x310
[  694.364993]  ? wq_watchdog_touch+0x9c/0xfe
[  694.369237]  ? zap_class+0x640/0x640
[  694.372957]  ? print_usage_bug+0xc0/0xc0
[  694.377022]  ? find_held_lock+0x36/0x1c0
[  694.381087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.386625]  ? check_preemption_disabled+0x48/0x280
[  694.391656]  ? __lock_is_held+0xb5/0x140
[  694.395730]  __alloc_pages_nodemask+0xa80/0xde0
[  694.400403]  ? zap_class+0x640/0x640
[  694.404124]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  694.409153]  ? find_held_lock+0x36/0x1c0
[  694.413226]  ? ____cache_alloc_node+0x1c7/0x1e0
[  694.417898]  ? lock_downgrade+0x900/0x900
[  694.422057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.427606]  cache_grow_begin+0xa5/0x8c0
[  694.431667]  ? do_raw_spin_unlock+0xa7/0x330
[  694.436084]  fallback_alloc+0x204/0x2e0
[  694.440065]  ____cache_alloc_node+0x1c7/0x1e0
[  694.444568]  kmem_cache_alloc_node+0xe3/0x730
[  694.449067]  ? ipv6_get_ifaddr+0x42e/0x620
[  694.453323]  __alloc_skb+0x119/0x770
[  694.457040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.462322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  694.466734]  ? lock_downgrade+0x900/0x900
[  694.470893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.476436]  ? refcount_sub_and_test_checked+0x203/0x310
[  694.481892]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  694.487346]  ? addrconf_rs_timer+0x690/0x690
[  694.491769]  ndisc_alloc_skb+0x144/0x340
[  694.495834]  ndisc_send_rs+0x331/0x6e0
[  694.499726]  addrconf_rs_timer+0x314/0x690
[  694.503965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.508212]  call_timer_fn+0x272/0x920
[  694.512097]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.516331]  ? process_timeout+0x40/0x40
[  694.520402]  ? __run_timers+0x7da/0xc70
[  694.524396]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.528892]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.533389]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.537629]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.542214]  ? trace_hardirqs_on+0xbd/0x310
[  694.546541]  ? kasan_check_read+0x11/0x20
[  694.550702]  ? __run_timers+0x7da/0xc70
[  694.554681]  ? trace_hardirqs_off_caller+0x310/0x310
[  694.559790]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  694.564643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.568874]  __run_timers+0x7e5/0xc70
[  694.572688]  ? timer_fixup_init+0x70/0x70
[  694.576837]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  694.581854]  ? zap_class+0x640/0x640
[  694.585574]  ? enqueue_hrtimer+0x1a5/0x560
[  694.589809]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  694.595007]  ? find_held_lock+0x36/0x1c0
[  694.599076]  ? zap_class+0x640/0x640
[  694.602793]  ? pvclock_read_flags+0x160/0x160
[  694.607304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.612847]  ? check_preemption_disabled+0x48/0x280
[  694.617879]  ? __lock_is_held+0xb5/0x140
[  694.621945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.627490]  ? check_preemption_disabled+0x48/0x280
[  694.632516]  run_timer_softirq+0x52/0xb0
[  694.636577]  ? rcu_read_lock_sched_held+0x14f/0x180
[  694.641595]  __do_softirq+0x308/0xb7e
[  694.645407]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.649903]  ? lock_downgrade+0x900/0x900
[  694.654056]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.659172]  ? pvclock_read_flags+0x160/0x160
[  694.663675]  ? lapic_next_event+0x5a/0x90
[  694.667825]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.673376]  ? kvm_clock_read+0x18/0x30
[  694.677357]  ? kvm_sched_clock_read+0x9/0x20
[  694.681773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.687316]  ? check_preemption_disabled+0x48/0x280
[  694.692351]  irq_exit+0x17f/0x1c0
[  694.695806]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.700651]  ? smp_call_function_single_interrupt+0x159/0x650
[  694.706624]  ? smp_call_function_single_interrupt+0x650/0x650
[  694.712513]  ? interrupt_entry+0xb5/0xc0
[  694.716580]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.721946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  694.726967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.731813]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.736833]  ? trace_hardirqs_on_caller+0x310/0x310
[  694.741854]  ? task_prio+0x50/0x50
[  694.745399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.750942]  ? check_preemption_disabled+0x48/0x280
[  694.755969]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  694.760823]  apic_timer_interrupt+0xf/0x20
[  694.765055]  </IRQ>
[  694.767309] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  694.772239] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  694.791164] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  694.799313] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  694.806581] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  694.813848] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  694.821116] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  694.828388] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  694.835709]  skb_clone+0x1bb/0x500
[  694.839254]  ? finish_task_switch+0x2f4/0x910
[  694.843762]  ? skb_split+0x11e0/0x11e0
[  694.847657]  ? preempt_notifier_register+0x200/0x200
[  694.852766]  ? __switch_to_asm+0x34/0x70
[  694.857087]  ? __switch_to_asm+0x34/0x70
[  694.861152]  ? __switch_to_asm+0x40/0x70
[  694.865214]  ? __switch_to_asm+0x34/0x70
[  694.869285]  ? __switch_to_asm+0x40/0x70
[  694.873355]  ? __switch_to_asm+0x34/0x70
[  694.877418]  ? __switch_to_asm+0x40/0x70
[  694.881477]  ? __switch_to_asm+0x34/0x70
[  694.885542]  ? __switch_to_asm+0x34/0x70
[  694.889604]  ? __switch_to_asm+0x40/0x70
[  694.893662]  ? __switch_to_asm+0x34/0x70
[  694.897734]  bpf_clone_redirect+0xb9/0x490
[  694.901969]  ? __schedule+0x8d7/0x21d0
[  694.905862]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  694.910885]  ? __sched_text_start+0x8/0x8
[  694.915041]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  694.919622]  ? retint_kernel+0x2d/0x2d
[  694.923512]  ? trace_hardirqs_on_caller+0xc0/0x310
[  694.928449]  ? find_held_lock+0x36/0x1c0
[  694.932524]  ? lock_acquire+0x1ed/0x520
[  694.936498]  ? bpf_test_run+0x3cb/0x780
[  694.940473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.946010]  ? check_preemption_disabled+0x48/0x280
[  694.951036]  ? kasan_check_read+0x11/0x20
[  694.955186]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.960463]  ? rcu_softirq_qs+0x20/0x20
[  694.964441]  ? preempt_schedule+0x4d/0x60
[  694.968594]  ? ___preempt_schedule+0x16/0x18
[  694.973014]  ? bpf_test_run+0x25d/0x780
[  694.977000]  ? netlink_diag_dump+0x2a0/0x2a0
[  694.981412]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.986949]  ? bpf_test_init.isra.10+0x70/0x100
[  694.991626]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  694.996437]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  695.001292]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  695.006834]  ? fput+0x130/0x1a0
[  695.010116]  ? __bpf_prog_get+0x9b/0x290
[  695.014186]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  695.019027]  ? bpf_prog_test_run+0x130/0x1a0
[  695.023439]  ? __x64_sys_bpf+0x3d8/0x520
[  695.027500]  ? bpf_prog_get+0x20/0x20
[  695.031341]  ? do_syscall_64+0x1b9/0x820
[  695.035406]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  695.040772]  ? syscall_return_slowpath+0x5e0/0x5e0
[  695.045711]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.050729]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  695.055752]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  695.062421]  ? __switch_to_asm+0x40/0x70
[  695.066481]  ? __switch_to_asm+0x34/0x70
[  695.070551]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.075405]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  695.080793] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  695.080862] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  695.087371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  695.087376] Call Trace:
[  695.087383]  <IRQ>
[  695.087401]  dump_stack+0x244/0x39d
[  695.087421]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.093987] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  695.103258]  warn_alloc.cold.116+0xb7/0x1bd
[  695.105810] syz-executor3 cpuset=syz3 mems_allowed=0
[  695.107955]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.141424]  ? lock_downgrade+0x900/0x900
[  695.145581]  ? trace_hardirqs_off+0xb8/0x310
[  695.150002]  ? trace_hardirqs_off+0xb8/0x310
[  695.154426]  __alloc_pages_slowpath+0x26e8/0x2e10
[  695.159305]  ? warn_alloc+0x120/0x120
[  695.163111]  ? print_usage_bug+0xc0/0xc0
[  695.167180]  ? warn_alloc+0x120/0x120
[  695.171167]  ? warn_alloc+0x120/0x120
[  695.174970]  ? print_usage_bug+0xc0/0xc0
[  695.179038]  ? print_usage_bug+0xc0/0xc0
[  695.183100]  ? __lock_acquire+0x62f/0x4c20
[  695.187344]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.192886]  ? should_fail+0x22d/0xd01
[  695.196791]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.201896]  ? __lock_acquire+0x62f/0x4c20
[  695.206140]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.211242]  ? __lock_acquire+0x62f/0x4c20
[  695.215482]  ? should_fail+0x22d/0xd01
[  695.219374]  ? find_held_lock+0x36/0x1c0
[  695.223449]  ? mark_held_locks+0x130/0x130
[  695.227688]  ? mark_held_locks+0x130/0x130
[  695.231922]  ? zap_class+0x640/0x640
[  695.235642]  ? zap_class+0x640/0x640
[  695.239363]  ? print_usage_bug+0xc0/0xc0
[  695.243426]  ? do_raw_spin_unlock+0xa7/0x330
[  695.247836]  ? zap_class+0x640/0x640
[  695.251550]  ? print_usage_bug+0xc0/0xc0
[  695.255616]  ? wq_watchdog_touch+0x9c/0xfe
[  695.259864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.265408]  ? check_preemption_disabled+0x48/0x280
[  695.270435]  ? __lock_is_held+0xb5/0x140
[  695.274505]  __alloc_pages_nodemask+0xa80/0xde0
[  695.279177]  ? zap_class+0x640/0x640
[  695.282896]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  695.287923]  ? find_held_lock+0x36/0x1c0
[  695.291997]  ? ____cache_alloc_node+0x1c7/0x1e0
[  695.296690]  ? lock_downgrade+0x900/0x900
[  695.300935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.306486]  cache_grow_begin+0xa5/0x8c0
[  695.310548]  ? do_raw_spin_unlock+0xa7/0x330
[  695.314965]  fallback_alloc+0x204/0x2e0
[  695.318951]  ____cache_alloc_node+0x1c7/0x1e0
[  695.323459]  kmem_cache_alloc_node+0xe3/0x730
[  695.327960]  ? ipv6_get_ifaddr+0x42e/0x620
[  695.332207]  __alloc_skb+0x119/0x770
[  695.335920]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.341205]  ? netdev_alloc_frag+0x1f0/0x1f0
[  695.345617]  ? lock_downgrade+0x900/0x900
[  695.349778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.355325]  ? refcount_sub_and_test_checked+0x203/0x310
[  695.360785]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  695.366242]  ? addrconf_rs_timer+0x690/0x690
[  695.370671]  ndisc_alloc_skb+0x144/0x340
[  695.374735]  ndisc_send_rs+0x331/0x6e0
[  695.378628]  addrconf_rs_timer+0x314/0x690
[  695.382871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  695.387120]  call_timer_fn+0x272/0x920
[  695.391006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  695.395248]  ? process_timeout+0x40/0x40
[  695.399330]  ? mark_held_locks+0xc7/0x130
[  695.403483]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.407978]  ? _raw_spin_unlock_irq+0x27/0x80
[  695.412473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  695.416709]  ? lockdep_hardirqs_on+0x296/0x5b0
[  695.421301]  ? trace_hardirqs_on+0xbd/0x310
[  695.425625]  ? kasan_check_read+0x11/0x20
[  695.429769]  ? __run_timers+0x7da/0xc70
[  695.433754]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.438880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  695.443117]  __run_timers+0x7e5/0xc70
[  695.446936]  ? timer_fixup_init+0x70/0x70
[  695.451089]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  695.456108]  ? zap_class+0x640/0x640
[  695.459831]  ? print_usage_bug+0xc0/0xc0
[  695.463901]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  695.469107]  ? find_held_lock+0x36/0x1c0
[  695.473178]  ? zap_class+0x640/0x640
[  695.476902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.482454]  ? check_preemption_disabled+0x48/0x280
[  695.487484]  ? __lock_is_held+0xb5/0x140
[  695.491547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.497093]  ? check_preemption_disabled+0x48/0x280
[  695.502118]  run_timer_softirq+0x52/0xb0
[  695.506180]  ? rcu_read_lock_sched_held+0x14f/0x180
[  695.511198]  __do_softirq+0x308/0xb7e
[  695.515003]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  695.519499]  ? lock_downgrade+0x900/0x900
[  695.523653]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  695.528768]  ? pvclock_read_flags+0x160/0x160
[  695.533280]  ? lapic_next_event+0x5a/0x90
[  695.537432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.542978]  ? kvm_clock_read+0x18/0x30
[  695.546954]  ? kvm_sched_clock_read+0x9/0x20
[  695.551368]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.556909]  ? check_preemption_disabled+0x48/0x280
[  695.561937]  irq_exit+0x17f/0x1c0
[  695.565393]  smp_apic_timer_interrupt+0x1cb/0x760
[  695.570233]  ? smp_reschedule_interrupt+0x109/0x650
[  695.575254]  ? smp_call_function_single_interrupt+0x650/0x650
[  695.581150]  ? interrupt_entry+0xb5/0xc0
[  695.585213]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.590233]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.595251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.600107]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.605125]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.610148]  ? task_prio+0x50/0x50
[  695.613694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.619234]  ? check_preemption_disabled+0x48/0x280
[  695.624256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.629120]  apic_timer_interrupt+0xf/0x20
[  695.633350]  </IRQ>
[  695.635594] RIP: 0010:dump_stack+0x358/0x39d
[  695.640006] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  695.658996] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  695.666707] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  695.673986] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  695.681256] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  695.688529] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  695.695802] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  695.703091]  ? dump_stack+0x34f/0x39d
[  695.706906]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.712105]  ? mark_held_locks+0x130/0x130
[  695.716338]  ? mark_held_locks+0x130/0x130
[  695.720580]  dump_header+0x27b/0xf72
[  695.724565]  ? pagefault_out_of_memory+0x197/0x197
[  695.729502]  ? __lock_acquire+0x62f/0x4c20
[  695.733744]  ? percpu_ref_get_many+0x240/0x240
[  695.738334]  ? print_usage_bug+0xc0/0xc0
[  695.742402]  ? zap_class+0x640/0x640
[  695.746123]  ? print_usage_bug+0xc0/0xc0
[  695.750187]  ? print_usage_bug+0xc0/0xc0
[  695.754252]  ? zap_class+0x640/0x640
[  695.757983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.763528]  ? find_held_lock+0x36/0x1c0
[  695.767600]  ? mark_held_locks+0xc7/0x130
[  695.771756]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.776864]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  695.781971]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  695.786557]  ? trace_hardirqs_on+0xbd/0x310
[  695.790883]  ? kasan_check_read+0x11/0x20
[  695.795032]  ? ___ratelimit+0x3b4/0x672
[  695.799011]  ? trace_hardirqs_off_caller+0x310/0x310
[  695.804115]  ? trace_hardirqs_on+0x310/0x310
[  695.808527]  ? lock_downgrade+0x900/0x900
[  695.812687]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  695.817796]  ? ___ratelimit+0x3b9/0x672
[  695.821774]  ? idr_get_free+0xf70/0xf70
[  695.825755]  ? find_held_lock+0x36/0x1c0
[  695.829847]  oom_kill_process.cold.27+0x10/0x903
[  695.834607]  ? zap_class+0x640/0x640
[  695.838321]  ? check_preemption_disabled+0x48/0x280
[  695.843343]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.848284]  ? kasan_check_read+0x11/0x20
[  695.852433]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.857713]  ? oom_evaluate_task+0x540/0x540
[  695.862128]  ? find_held_lock+0x36/0x1c0
[  695.866197]  ? out_of_memory+0x974/0x1430
[  695.870351]  ? lock_downgrade+0x900/0x900
[  695.874499]  ? check_preemption_disabled+0x48/0x280
[  695.879518]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.884446]  ? kasan_check_read+0x11/0x20
[  695.888597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.893872]  ? rcu_softirq_qs+0x20/0x20
[  695.897853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.903387]  ? oom_evaluate_task+0x302/0x540
[  695.907803]  out_of_memory+0xa84/0x1430
[  695.911796]  ? oom_killer_disable+0x3a0/0x3a0
[  695.916300]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  695.921248]  ? __ww_mutex_check_waiters+0x160/0x160
[  695.926292]  __alloc_pages_slowpath+0x2354/0x2e10
[  695.931167]  ? warn_alloc+0x120/0x120
[  695.934967]  ? mark_held_locks+0x130/0x130
[  695.939215]  ? find_get_entry+0xaae/0x1120
[  695.943462]  ? filemap_map_pages+0x1a20/0x1a20
[  695.948053]  ? zap_class+0x640/0x640
[  695.951776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.957322]  ? check_preemption_disabled+0x48/0x280
[  695.962343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.967879]  ? should_fail+0x22d/0xd01
[  695.971776]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.976887]  ? zap_class+0x640/0x640
[  695.980631]  ? __lock_is_held+0xb5/0x140
[  695.984702]  ? mark_held_locks+0x130/0x130
[  695.988939]  ? lock_release+0xa00/0xa00
[  695.992916]  ? perf_trace_sched_process_exec+0x860/0x860
[  695.998367]  ? xa_load+0x2ba/0x460
[  696.001914]  ? lock_downgrade+0x900/0x900
[  696.006068]  ? __might_sleep+0x95/0x190
[  696.010048]  __alloc_pages_nodemask+0xa80/0xde0
[  696.014726]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  696.019745]  ? __page_cache_alloc+0x191/0x5c0
[  696.024244]  ? xa_load+0x2e1/0x460
[  696.027798]  ? xa_clear_mark+0x40/0x40
[  696.031694]  ? zap_class+0x640/0x640
[  696.035420]  ? zap_class+0x640/0x640
[  696.039132]  ? zap_class+0x640/0x640
[  696.042850]  ? __do_page_cache_readahead+0x663/0x810
[  696.047960]  ? find_held_lock+0x36/0x1c0
[  696.052038]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  696.057581]  alloc_pages_current+0x173/0x350
[  696.062004]  __page_cache_alloc+0x38c/0x5c0
[  696.066325]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  696.071259]  ? kasan_check_read+0x11/0x20
[  696.075420]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.080699]  ? generic_perform_write+0x6a0/0x6a0
[  696.085457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.090998]  ? check_preemption_disabled+0x48/0x280
[  696.096027]  filemap_fault+0x1595/0x25f0
[  696.100101]  ? __lock_page_or_retry+0xa00/0xa00
[  696.104773]  ? mark_held_locks+0x130/0x130
[  696.109028]  ? filemap_map_pages+0xd6b/0x1a20
[  696.113530]  ? lock_downgrade+0x900/0x900
[  696.117679]  ? check_preemption_disabled+0x48/0x280
[  696.122699]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  696.127628]  ? kasan_check_read+0x11/0x20
[  696.131779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.137063]  ? rcu_softirq_qs+0x20/0x20
[  696.141094]  ? filemap_map_pages+0xd92/0x1a20
[  696.145612]  ? print_usage_bug+0xc0/0xc0
[  696.149681]  ? find_get_entries_tag+0x1400/0x1400
[  696.154525]  ? __kasan_slab_free+0x102/0x150
[  696.158933]  ? kasan_slab_free+0xe/0x10
[  696.162905]  ? kmem_cache_free+0x83/0x290
[  696.167054]  ? __sigqueue_free.part.29+0x74/0x90
[  696.171834]  ? lock_acquire+0x1ed/0x520
[  696.175818]  ? ext4_filemap_fault+0x7a/0xad
[  696.180149]  ? lock_release+0xa00/0xa00
[  696.184126]  ? perf_trace_sched_process_exec+0x860/0x860
[  696.189580]  ? print_usage_bug+0xc0/0xc0
[  696.193645]  ? print_usage_bug+0xc0/0xc0
[  696.197723]  ? down_read+0x8d/0x120
[  696.201351]  ? ext4_filemap_fault+0x7a/0xad
[  696.205673]  ? __down_interruptible+0x700/0x700
[  696.210354]  ext4_filemap_fault+0x82/0xad
[  696.214508]  __do_fault+0x100/0x6b0
[  696.218149]  ? pmd_devmap_trans_unstable+0x220/0x220
[  696.223255]  ? mark_held_locks+0x130/0x130
[  696.227502]  ? mark_held_locks+0x130/0x130
[  696.231751]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  696.237324]  ? rcu_pm_notify+0xc0/0xc0
[  696.241223]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.246765]  __handle_mm_fault+0x3ea6/0x5be0
[  696.251192]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  696.256035]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.260537]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  696.265121]  ? trace_hardirqs_on+0xbd/0x310
[  696.269445]  ? kasan_check_read+0x11/0x20
[  696.273593]  ? __set_current_blocked+0xdf/0x120
[  696.278260]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.283385]  ? zap_class+0x640/0x640
[  696.287097]  ? zap_class+0x640/0x640
[  696.290820]  ? find_held_lock+0x36/0x1c0
[  696.294891]  ? handle_mm_fault+0x42a/0xc70
[  696.299127]  ? lock_downgrade+0x900/0x900
[  696.303283]  ? check_preemption_disabled+0x48/0x280
[  696.308308]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  696.313244]  ? kasan_check_read+0x11/0x20
[  696.317398]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.322674]  ? rcu_softirq_qs+0x20/0x20
[  696.326648]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.331757]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.337306]  ? check_preemption_disabled+0x48/0x280
[  696.342335]  handle_mm_fault+0x54f/0xc70
[  696.346402]  ? __handle_mm_fault+0x5be0/0x5be0
[  696.350990]  ? find_vma+0x34/0x190
[  696.354536]  __do_page_fault+0x5e8/0xe60
[  696.358600]  ? exit_to_usermode_loop+0x1f4/0x380
[  696.363370]  do_page_fault+0xf2/0x7e0
[  696.367172]  ? vmalloc_sync_all+0x30/0x30
[  696.371324]  ? error_entry+0x70/0xd0
[  696.375041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  696.380059]  ? trace_hardirqs_on_caller+0xc0/0x310
[  696.384988]  ? syscall_return_slowpath+0x5e0/0x5e0
[  696.389921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.394768]  ? trace_hardirqs_on_caller+0x310/0x310
[  696.399792]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  696.405248]  ? prepare_exit_to_usermode+0x291/0x3b0
[  696.410281]  ? page_fault+0x8/0x30
[  696.413826]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  696.418673]  ? page_fault+0x8/0x30
[  696.422214]  page_fault+0x1e/0x30
[  696.425663] RIP: 0033:0x45db60
[  696.428870] Code: Bad RIP value.
[  696.432236] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  696.437601] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  696.444873] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  696.452138] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  696.459408] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  696.466678] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  696.473976] warn_alloc_show_mem: 1 callbacks suppressed
[  696.473989] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  696.473990] Mem-Info:
[  696.474022] active_anon:45842 inactive_anon:131 isolated_anon:0
[  696.474022]  active_file:10 inactive_file:14 isolated_file:0
[  696.474022]  unevictable:0 dirty:0 writeback:0 unstable:0
[  696.474022]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  696.474022]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  696.474022]  free:13767 free_pcp:218 free_cma:0
[  696.479362] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  696.486298] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  696.488703] Call Trace:
[  696.521577] 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
[  696.530920]  <IRQ>
[  696.558409] lowmem_reserve[]: 0 2818 6321 6321
[  696.560997]  dump_stack+0x244/0x39d
[  696.587074] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  696.589224]  ? dump_stack_print_info.cold.1+0x20/0x20
[  696.593777] lowmem_reserve[]: 0 0 3503 3503
[  696.597410]  warn_alloc.cold.116+0xb7/0x1bd
[  696.624699] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  696.629880]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  696.634173] lowmem_reserve[]: 0 0 0 0
[  696.638490]  ? lock_downgrade+0x900/0x900
[  696.667367] 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
[  696.672209]  ? trace_hardirqs_off+0xb8/0x310
[  696.675975] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  696.680121]  ? trace_hardirqs_off+0xb8/0x310
[  696.693615] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  696.698020]  __alloc_pages_slowpath+0x26e8/0x2e10
[  696.713257] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  696.717686]  ? warn_alloc+0x120/0x120
[  696.732468] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  696.737310]  ? print_usage_bug+0xc0/0xc0
[  696.746117] 162 total pagecache pages
[  696.749913]  ? warn_alloc+0x120/0x120
[  696.758469] 0 pages in swap cache
[  696.762529]  ? warn_alloc+0x120/0x120
[  696.766306] Swap cache stats: add 0, delete 0, find 0/0
[  696.770100]  ? print_usage_bug+0xc0/0xc0
[  696.773532] Free swap  = 0kB
[  696.777334]  ? print_usage_bug+0xc0/0xc0
[  696.782674] Total swap = 0kB
[  696.786730]  ? __lock_acquire+0x62f/0x4c20
[  696.789725] 1965979 pages RAM
[  696.793779]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.796777] 0 pages HighMem/MovableOnly
[  696.801008]  ? should_fail+0x22d/0xd01
[  696.804079] 342855 pages reserved
[  696.804087] 0 pages cma reserved
[  696.809615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.813625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  696.817436]  ? __lock_acquire+0x62f/0x4c20
[  696.817455]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.817471]  ? __lock_acquire+0x62f/0x4c20
[  696.821016] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  696.824268]  ? should_fail+0x22d/0xd01
[  696.829358] syz-fuzzer cpuset=/ mems_allowed=0
[  696.835844]  ? find_held_lock+0x36/0x1c0
[  696.872240]  ? mark_held_locks+0x130/0x130
[  696.876506]  ? mark_held_locks+0x130/0x130
[  696.880739]  ? zap_class+0x640/0x640
[  696.884451]  ? zap_class+0x640/0x640
[  696.888170]  ? print_usage_bug+0xc0/0xc0
[  696.892228]  ? do_raw_spin_unlock+0xa7/0x330
[  696.896638]  ? zap_class+0x640/0x640
[  696.900353]  ? print_usage_bug+0xc0/0xc0
[  696.904415]  ? wq_watchdog_touch+0x9c/0xfe
[  696.908655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.914192]  ? check_preemption_disabled+0x48/0x280
[  696.919222]  ? __lock_is_held+0xb5/0x140
[  696.923305]  __alloc_pages_nodemask+0xa80/0xde0
[  696.927975]  ? zap_class+0x640/0x640
[  696.931696]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  696.936728]  ? find_held_lock+0x36/0x1c0
[  696.940803]  ? ____cache_alloc_node+0x1c7/0x1e0
[  696.945476]  ? lock_downgrade+0x900/0x900
[  696.949630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.955171]  cache_grow_begin+0xa5/0x8c0
[  696.959230]  ? do_raw_spin_unlock+0xa7/0x330
[  696.963644]  fallback_alloc+0x204/0x2e0
[  696.967629]  ____cache_alloc_node+0x1c7/0x1e0
[  696.972128]  kmem_cache_alloc_node+0xe3/0x730
[  696.976626]  ? ipv6_get_ifaddr+0x42e/0x620
[  696.980873]  __alloc_skb+0x119/0x770
[  696.984583]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.989863]  ? netdev_alloc_frag+0x1f0/0x1f0
[  696.994279]  ? lock_downgrade+0x900/0x900
[  696.998441]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.003980]  ? refcount_sub_and_test_checked+0x203/0x310
[  697.009437]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  697.014889]  ? addrconf_rs_timer+0x690/0x690
[  697.019321]  ndisc_alloc_skb+0x144/0x340
[  697.023391]  ndisc_send_rs+0x331/0x6e0
[  697.027298]  addrconf_rs_timer+0x314/0x690
[  697.031538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.035797]  call_timer_fn+0x272/0x920
[  697.039687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.043920]  ? process_timeout+0x40/0x40
[  697.047991]  ? __run_timers+0x7da/0xc70
[  697.051972]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.056470]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.060967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.065203]  ? lockdep_hardirqs_on+0x296/0x5b0
[  697.069789]  ? trace_hardirqs_on+0xbd/0x310
[  697.074115]  ? kasan_check_read+0x11/0x20
[  697.078291]  ? __run_timers+0x7da/0xc70
[  697.082285]  ? trace_hardirqs_off_caller+0x310/0x310
[  697.087392]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.091638]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.095869]  __run_timers+0x7e5/0xc70
[  697.099682]  ? timer_fixup_init+0x70/0x70
[  697.103833]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  697.108855]  ? zap_class+0x640/0x640
[  697.112573]  ? enqueue_hrtimer+0x1a5/0x560
[  697.116810]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  697.122005]  ? find_held_lock+0x36/0x1c0
[  697.126074]  ? zap_class+0x640/0x640
[  697.129791]  ? pvclock_read_flags+0x160/0x160
[  697.134302]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.139842]  ? check_preemption_disabled+0x48/0x280
[  697.144871]  ? __lock_is_held+0xb5/0x140
[  697.148937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.154478]  ? check_preemption_disabled+0x48/0x280
[  697.159502]  run_timer_softirq+0x52/0xb0
[  697.163564]  ? rcu_read_lock_sched_held+0x14f/0x180
[  697.168582]  __do_softirq+0x308/0xb7e
[  697.172388]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  697.176885]  ? lock_downgrade+0x900/0x900
[  697.181039]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  697.186150]  ? pvclock_read_flags+0x160/0x160
[  697.190648]  ? lapic_next_event+0x5a/0x90
[  697.194802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.200348]  ? kvm_clock_read+0x18/0x30
[  697.204330]  ? kvm_sched_clock_read+0x9/0x20
[  697.208743]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.214307]  ? check_preemption_disabled+0x48/0x280
[  697.219339]  irq_exit+0x17f/0x1c0
[  697.222800]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.227643]  ? smp_call_function_single_interrupt+0x159/0x650
[  697.233528]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.239416]  ? interrupt_entry+0xb5/0xc0
[  697.243480]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.248494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.253513]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.258359]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.263373]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.268419]  ? task_prio+0x50/0x50
[  697.271961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.277500]  ? check_preemption_disabled+0x48/0x280
[  697.282539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.287392]  apic_timer_interrupt+0xf/0x20
[  697.291618]  </IRQ>
[  697.293856] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  697.298786] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  697.317685] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  697.325393] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  697.332660] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  697.339925] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  697.347191] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  697.354457] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  697.361767]  skb_clone+0x1bb/0x500
[  697.365315]  ? finish_task_switch+0x2f4/0x910
[  697.369811]  ? skb_split+0x11e0/0x11e0
[  697.373704]  ? preempt_notifier_register+0x200/0x200
[  697.378806]  ? __switch_to_asm+0x34/0x70
[  697.382867]  ? __switch_to_asm+0x34/0x70
[  697.386931]  ? __switch_to_asm+0x40/0x70
[  697.390991]  ? __switch_to_asm+0x34/0x70
[  697.395052]  ? __switch_to_asm+0x40/0x70
[  697.399112]  ? __switch_to_asm+0x34/0x70
[  697.403175]  ? __switch_to_asm+0x40/0x70
[  697.407239]  ? __switch_to_asm+0x34/0x70
[  697.411316]  ? __switch_to_asm+0x34/0x70
[  697.415379]  ? __switch_to_asm+0x40/0x70
[  697.419438]  ? __switch_to_asm+0x34/0x70
[  697.423511]  bpf_clone_redirect+0xb9/0x490
[  697.427748]  ? __schedule+0x8d7/0x21d0
[  697.431644]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  697.436659]  ? __sched_text_start+0x8/0x8
[  697.440816]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  697.445397]  ? retint_kernel+0x2d/0x2d
[  697.449298]  ? trace_hardirqs_on_caller+0xc0/0x310
[  697.454232]  ? find_held_lock+0x36/0x1c0
[  697.458313]  ? lock_acquire+0x1ed/0x520
[  697.462301]  ? bpf_test_run+0x3cb/0x780
[  697.466290]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.471835]  ? check_preemption_disabled+0x48/0x280
[  697.476858]  ? kasan_check_read+0x11/0x20
[  697.481008]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.486296]  ? rcu_softirq_qs+0x20/0x20
[  697.490292]  ? preempt_schedule+0x4d/0x60
[  697.494446]  ? ___preempt_schedule+0x16/0x18
[  697.498862]  ? bpf_test_run+0x25d/0x780
[  697.502852]  ? netlink_diag_dump+0x2a0/0x2a0
[  697.507263]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.512813]  ? bpf_test_init.isra.10+0x70/0x100
[  697.517487]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  697.522255]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.527111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  697.532648]  ? fput+0x130/0x1a0
[  697.535933]  ? __bpf_prog_get+0x9b/0x290
[  697.539997]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.544836]  ? bpf_prog_test_run+0x130/0x1a0
[  697.549248]  ? __x64_sys_bpf+0x3d8/0x520
[  697.553324]  ? bpf_prog_get+0x20/0x20
[  697.557150]  ? do_syscall_64+0x1b9/0x820
[  697.561217]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  697.566597]  ? syscall_return_slowpath+0x5e0/0x5e0
[  697.571533]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.576555]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  697.581572]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  697.588242]  ? __switch_to_asm+0x40/0x70
[  697.592318]  ? __switch_to_asm+0x34/0x70
[  697.596384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.601237]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  697.606623] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  697.606693] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  697.613209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  697.613217] Call Trace:
[  697.619803] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  697.629059]  <IRQ>
[  697.631633] syz-executor3 cpuset=syz3 mems_allowed=0
[  697.642110]  dump_stack+0x244/0x39d
[  697.652938]  ? dump_stack_print_info.cold.1+0x20/0x20
[  697.658142]  warn_alloc.cold.116+0xb7/0x1bd
[  697.662472]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  697.667326]  ? lock_downgrade+0x900/0x900
[  697.671482]  ? trace_hardirqs_off+0xb8/0x310
[  697.675898]  ? trace_hardirqs_off+0xb8/0x310
[  697.680321]  __alloc_pages_slowpath+0x26e8/0x2e10
[  697.685195]  ? warn_alloc+0x120/0x120
[  697.689001]  ? print_usage_bug+0xc0/0xc0
[  697.693063]  ? warn_alloc+0x120/0x120
[  697.696875]  ? warn_alloc+0x120/0x120
[  697.700677]  ? print_usage_bug+0xc0/0xc0
[  697.704744]  ? print_usage_bug+0xc0/0xc0
[  697.708810]  ? __lock_acquire+0x62f/0x4c20
[  697.713054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.718595]  ? should_fail+0x22d/0xd01
[  697.722663]  ? __lock_acquire+0x62f/0x4c20
[  697.726902]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.732005]  ? __lock_acquire+0x62f/0x4c20
[  697.736246]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.741353]  ? __lock_acquire+0x62f/0x4c20
[  697.745585]  ? should_fail+0x22d/0xd01
[  697.749485]  ? mark_held_locks+0x130/0x130
[  697.753726]  ? mark_held_locks+0x130/0x130
[  697.757963]  ? zap_class+0x640/0x640
[  697.761681]  ? zap_class+0x640/0x640
[  697.765397]  ? print_usage_bug+0xc0/0xc0
[  697.769459]  ? do_raw_spin_unlock+0xa7/0x330
[  697.773870]  ? zap_class+0x640/0x640
[  697.777590]  ? print_usage_bug+0xc0/0xc0
[  697.781648]  ? wq_watchdog_touch+0x9c/0xfe
[  697.785886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.791425]  ? check_preemption_disabled+0x48/0x280
[  697.796457]  ? __lock_is_held+0xb5/0x140
[  697.800527]  __alloc_pages_nodemask+0xa80/0xde0
[  697.805195]  ? zap_class+0x640/0x640
[  697.808912]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  697.813941]  ? find_held_lock+0x36/0x1c0
[  697.818016]  ? ____cache_alloc_node+0x1c7/0x1e0
[  697.822690]  ? lock_downgrade+0x900/0x900
[  697.826850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.832394]  cache_grow_begin+0xa5/0x8c0
[  697.836454]  ? do_raw_spin_unlock+0xa7/0x330
[  697.840869]  fallback_alloc+0x204/0x2e0
[  697.844852]  ____cache_alloc_node+0x1c7/0x1e0
[  697.849617]  kmem_cache_alloc_node+0xe3/0x730
[  697.854114]  ? ipv6_get_ifaddr+0x42e/0x620
[  697.858360]  __alloc_skb+0x119/0x770
[  697.862074]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.867354]  ? netdev_alloc_frag+0x1f0/0x1f0
[  697.871764]  ? lock_downgrade+0x900/0x900
[  697.875924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.881459]  ? refcount_sub_and_test_checked+0x203/0x310
[  697.886918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  697.892366]  ? addrconf_rs_timer+0x690/0x690
[  697.896794]  ndisc_alloc_skb+0x144/0x340
[  697.900864]  ndisc_send_rs+0x331/0x6e0
[  697.904761]  addrconf_rs_timer+0x314/0x690
[  697.909007]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.913255]  call_timer_fn+0x272/0x920
[  697.917149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.921384]  ? process_timeout+0x40/0x40
[  697.925457]  ? mark_held_locks+0xc7/0x130
[  697.929612]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.934108]  ? _raw_spin_unlock_irq+0x27/0x80
[  697.938600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.942836]  ? lockdep_hardirqs_on+0x296/0x5b0
[  697.947420]  ? trace_hardirqs_on+0xbd/0x310
[  697.951743]  ? kasan_check_read+0x11/0x20
[  697.955893]  ? __run_timers+0x7da/0xc70
[  697.959869]  ? trace_hardirqs_off_caller+0x310/0x310
[  697.964988]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  697.969222]  __run_timers+0x7e5/0xc70
[  697.973034]  ? timer_fixup_init+0x70/0x70
[  697.977189]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  697.982206]  ? zap_class+0x640/0x640
[  697.985924]  ? print_usage_bug+0xc0/0xc0
[  697.989989]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  697.995190]  ? find_held_lock+0x36/0x1c0
[  697.999256]  ? zap_class+0x640/0x640
[  698.002983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.008542]  ? check_preemption_disabled+0x48/0x280
[  698.013568]  ? __lock_is_held+0xb5/0x140
[  698.017629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.023164]  ? check_preemption_disabled+0x48/0x280
[  698.028186]  run_timer_softirq+0x52/0xb0
[  698.032246]  ? rcu_read_lock_sched_held+0x14f/0x180
[  698.037281]  __do_softirq+0x308/0xb7e
[  698.041086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  698.045585]  ? lock_downgrade+0x900/0x900
[  698.049739]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  698.054849]  ? pvclock_read_flags+0x160/0x160
[  698.059348]  ? lapic_next_event+0x5a/0x90
[  698.063500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.069042]  ? kvm_clock_read+0x18/0x30
[  698.073031]  ? kvm_sched_clock_read+0x9/0x20
[  698.077442]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.082981]  ? check_preemption_disabled+0x48/0x280
[  698.088007]  irq_exit+0x17f/0x1c0
[  698.091464]  smp_apic_timer_interrupt+0x1cb/0x760
[  698.096308]  ? smp_reschedule_interrupt+0x109/0x650
[  698.101325]  ? smp_call_function_single_interrupt+0x650/0x650
[  698.107209]  ? interrupt_entry+0xb5/0xc0
[  698.111283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.116309]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.121328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.126175]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.131189]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.136202]  ? task_prio+0x50/0x50
[  698.139744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.145288]  ? check_preemption_disabled+0x48/0x280
[  698.150317]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.155167]  apic_timer_interrupt+0xf/0x20
[  698.159396]  </IRQ>
[  698.161637] RIP: 0010:dump_stack+0x358/0x39d
[  698.166043] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  698.184973] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  698.192688] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  698.199957] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  698.207228] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  698.214496] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  698.221766] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  698.229064]  ? dump_stack+0x34f/0x39d
[  698.232883]  ? dump_stack_print_info.cold.1+0x20/0x20
[  698.238076]  ? mark_held_locks+0x130/0x130
[  698.242310]  ? mark_held_locks+0x130/0x130
[  698.246552]  dump_header+0x27b/0xf72
[  698.250287]  ? pagefault_out_of_memory+0x197/0x197
[  698.255228]  ? __lock_acquire+0x62f/0x4c20
[  698.259471]  ? percpu_ref_get_many+0x240/0x240
[  698.264057]  ? print_usage_bug+0xc0/0xc0
[  698.268128]  ? zap_class+0x640/0x640
[  698.271845]  ? print_usage_bug+0xc0/0xc0
[  698.275907]  ? print_usage_bug+0xc0/0xc0
[  698.279971]  ? zap_class+0x640/0x640
[  698.283690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.289232]  ? find_held_lock+0x36/0x1c0
[  698.293311]  ? mark_held_locks+0xc7/0x130
[  698.297466]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  698.302571]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  698.307676]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  698.312262]  ? trace_hardirqs_on+0xbd/0x310
[  698.316591]  ? kasan_check_read+0x11/0x20
[  698.320740]  ? ___ratelimit+0x3b4/0x672
[  698.324717]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.329825]  ? trace_hardirqs_on+0x310/0x310
[  698.334238]  ? lock_downgrade+0x900/0x900
[  698.338403]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  698.343509]  ? ___ratelimit+0x3b9/0x672
[  698.347488]  ? idr_get_free+0xf70/0xf70
[  698.351467]  ? find_held_lock+0x36/0x1c0
[  698.355540]  oom_kill_process.cold.27+0x10/0x903
[  698.360307]  ? zap_class+0x640/0x640
[  698.364024]  ? check_preemption_disabled+0x48/0x280
[  698.369045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.373975]  ? kasan_check_read+0x11/0x20
[  698.378122]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.383402]  ? oom_evaluate_task+0x540/0x540
[  698.387820]  ? find_held_lock+0x36/0x1c0
[  698.391888]  ? out_of_memory+0x974/0x1430
[  698.396041]  ? lock_downgrade+0x900/0x900
[  698.400197]  ? check_preemption_disabled+0x48/0x280
[  698.405226]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.410157]  ? kasan_check_read+0x11/0x20
[  698.414308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.419585]  ? rcu_softirq_qs+0x20/0x20
[  698.423565]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.429104]  ? oom_evaluate_task+0x302/0x540
[  698.433518]  out_of_memory+0xa84/0x1430
[  698.437506]  ? oom_killer_disable+0x3a0/0x3a0
[  698.442004]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  698.446939]  ? __ww_mutex_check_waiters+0x160/0x160
[  698.451968]  __alloc_pages_slowpath+0x2354/0x2e10
[  698.456845]  ? warn_alloc+0x120/0x120
[  698.460646]  ? mark_held_locks+0x130/0x130
[  698.464891]  ? find_get_entry+0xaae/0x1120
[  698.469142]  ? filemap_map_pages+0x1a20/0x1a20
[  698.473729]  ? zap_class+0x640/0x640
[  698.477452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  698.482990]  ? check_preemption_disabled+0x48/0x280
[  698.488007]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.493546]  ? should_fail+0x22d/0xd01
[  698.497441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  698.502635]  ? zap_class+0x640/0x640
[  698.506379]  ? __lock_is_held+0xb5/0x140
[  698.510451]  ? mark_held_locks+0x130/0x130
[  698.514693]  ? lock_release+0xa00/0xa00
[  698.518670]  ? perf_trace_sched_process_exec+0x860/0x860
[  698.524123]  ? xa_load+0x2ba/0x460
[  698.527670]  ? lock_downgrade+0x900/0x900
[  698.531825]  ? __might_sleep+0x95/0x190
[  698.535812]  __alloc_pages_nodemask+0xa80/0xde0
[  698.540497]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  698.545515]  ? __page_cache_alloc+0x191/0x5c0
[  698.550014]  ? xa_load+0x2e1/0x460
[  698.553558]  ? xa_clear_mark+0x40/0x40
[  698.557449]  ? zap_class+0x640/0x640
[  698.561170]  ? zap_class+0x640/0x640
[  698.564886]  ? zap_class+0x640/0x640
[  698.568602]  ? __do_page_cache_readahead+0x663/0x810
[  698.573713]  ? find_held_lock+0x36/0x1c0
[  698.577790]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  698.583342]  alloc_pages_current+0x173/0x350
[  698.587759]  __page_cache_alloc+0x38c/0x5c0
[  698.592081]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.597011]  ? kasan_check_read+0x11/0x20
[  698.601156]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.606440]  ? generic_perform_write+0x6a0/0x6a0
[  698.611198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.616736]  ? check_preemption_disabled+0x48/0x280
[  698.621760]  filemap_fault+0x1595/0x25f0
[  698.625843]  ? __lock_page_or_retry+0xa00/0xa00
[  698.630520]  ? mark_held_locks+0x130/0x130
[  698.634765]  ? filemap_map_pages+0xd6b/0x1a20
[  698.639263]  ? lock_downgrade+0x900/0x900
[  698.643420]  ? check_preemption_disabled+0x48/0x280
[  698.648446]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.653377]  ? kasan_check_read+0x11/0x20
[  698.657524]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.662805]  ? rcu_softirq_qs+0x20/0x20
[  698.666803]  ? filemap_map_pages+0xd92/0x1a20
[  698.671314]  ? print_usage_bug+0xc0/0xc0
[  698.675382]  ? find_get_entries_tag+0x1400/0x1400
[  698.680222]  ? __kasan_slab_free+0x102/0x150
[  698.684631]  ? kasan_slab_free+0xe/0x10
[  698.688606]  ? kmem_cache_free+0x83/0x290
[  698.692753]  ? __sigqueue_free.part.29+0x74/0x90
[  698.697532]  ? lock_acquire+0x1ed/0x520
[  698.701505]  ? ext4_filemap_fault+0x7a/0xad
[  698.705833]  ? lock_release+0xa00/0xa00
[  698.709809]  ? perf_trace_sched_process_exec+0x860/0x860
[  698.715264]  ? print_usage_bug+0xc0/0xc0
[  698.719341]  ? print_usage_bug+0xc0/0xc0
[  698.723420]  ? down_read+0x8d/0x120
[  698.727044]  ? ext4_filemap_fault+0x7a/0xad
[  698.731368]  ? __down_interruptible+0x700/0x700
[  698.736051]  ext4_filemap_fault+0x82/0xad
[  698.740206]  __do_fault+0x100/0x6b0
[  698.743843]  ? pmd_devmap_trans_unstable+0x220/0x220
[  698.748949]  ? mark_held_locks+0x130/0x130
[  698.753190]  ? mark_held_locks+0x130/0x130
[  698.757431]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  698.762968]  ? rcu_pm_notify+0xc0/0xc0
[  698.766864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.772411]  __handle_mm_fault+0x3ea6/0x5be0
[  698.776831]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  698.781678]  ? _raw_spin_unlock_irq+0x27/0x80
[  698.786173]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  698.790760]  ? trace_hardirqs_on+0xbd/0x310
[  698.795088]  ? kasan_check_read+0x11/0x20
[  698.799234]  ? __set_current_blocked+0xdf/0x120
[  698.803903]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.809019]  ? zap_class+0x640/0x640
[  698.812729]  ? zap_class+0x640/0x640
[  698.816448]  ? find_held_lock+0x36/0x1c0
[  698.820519]  ? handle_mm_fault+0x42a/0xc70
[  698.824758]  ? lock_downgrade+0x900/0x900
[  698.828913]  ? check_preemption_disabled+0x48/0x280
[  698.833933]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  698.838865]  ? kasan_check_read+0x11/0x20
[  698.843013]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  698.848296]  ? rcu_softirq_qs+0x20/0x20
[  698.852278]  ? trace_hardirqs_off_caller+0x310/0x310
[  698.857855]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  698.863395]  ? check_preemption_disabled+0x48/0x280
[  698.868423]  handle_mm_fault+0x54f/0xc70
[  698.872487]  ? __handle_mm_fault+0x5be0/0x5be0
[  698.877077]  ? find_vma+0x34/0x190
[  698.880622]  __do_page_fault+0x5e8/0xe60
[  698.884687]  ? exit_to_usermode_loop+0x1f4/0x380
[  698.889457]  do_page_fault+0xf2/0x7e0
[  698.893257]  ? vmalloc_sync_all+0x30/0x30
[  698.897417]  ? error_entry+0x70/0xd0
[  698.901132]  ? trace_hardirqs_off_caller+0xbb/0x310
[  698.906148]  ? trace_hardirqs_on_caller+0xc0/0x310
[  698.911077]  ? syscall_return_slowpath+0x5e0/0x5e0
[  698.916008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.920853]  ? trace_hardirqs_on_caller+0x310/0x310
[  698.925868]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  698.931329]  ? prepare_exit_to_usermode+0x291/0x3b0
[  698.936347]  ? page_fault+0x8/0x30
[  698.939890]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  698.944738]  ? page_fault+0x8/0x30
[  698.948290]  page_fault+0x1e/0x30
[  698.951745] RIP: 0033:0x45db60
[  698.954951] Code: Bad RIP value.
[  698.958315] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  698.963675] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  698.970944] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  698.978209] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  698.985480] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  698.992746] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  699.000035] warn_alloc_show_mem: 1 callbacks suppressed
[  699.000048] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  699.000049] Mem-Info:
[  699.000080] active_anon:45842 inactive_anon:131 isolated_anon:0
[  699.000080]  active_file:10 inactive_file:14 isolated_file:0
[  699.000080]  unevictable:0 dirty:0 writeback:0 unstable:0
[  699.000080]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  699.000080]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  699.000080]  free:13767 free_pcp:218 free_cma:0
[  699.005423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  699.012356] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  699.014753] Call Trace:
[  699.047620] 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
[  699.056961]  <IRQ>
[  699.084437] lowmem_reserve[]: 0 2818 6321 6321
[  699.087031]  dump_stack+0x244/0x39d
[  699.113109] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  699.115260]  ? dump_stack_print_info.cold.1+0x20/0x20
[  699.119809] lowmem_reserve[]: 0 0 3503 3503
[  699.123441]  warn_alloc.cold.116+0xb7/0x1bd
[  699.150733] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  699.155919]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  699.160214] lowmem_reserve[]: 0 0 0 0
[  699.164536]  ? lock_downgrade+0x900/0x900
[  699.193405] 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
[  699.198254]  ? trace_hardirqs_off+0xb8/0x310
[  699.202015] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  699.206159]  ? trace_hardirqs_off+0xb8/0x310
[  699.219651] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  699.224061]  __alloc_pages_slowpath+0x26e8/0x2e10
[  699.239294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  699.239308] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  699.243730]  ? warn_alloc+0x120/0x120
[  699.258507] 162 total pagecache pages
[  699.263346]  ? print_usage_bug+0xc0/0xc0
[  699.272160] 0 pages in swap cache
[  699.280725]  ? warn_alloc+0x120/0x120
[  699.284501] Swap cache stats: add 0, delete 0, find 0/0
[  699.288304]  ? warn_alloc+0x120/0x120
[  699.292335] Free swap  = 0kB
[  699.295779]  ? print_usage_bug+0xc0/0xc0
[  699.299558] Total swap = 0kB
[  699.304912]  ? kvm_clock_read+0x18/0x30
[  699.308685] 1965979 pages RAM
[  699.311699]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  699.315735] 0 pages HighMem/MovableOnly
[  699.318750]  ? print_usage_bug+0xc0/0xc0
[  699.322699] 342855 pages reserved
[  699.325802]  ? __lock_acquire+0x62f/0x4c20
[  699.330798] 0 pages cma reserved
[  699.334766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  699.338863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  699.342249]  ? should_fail+0x22d/0xd01
[  699.346549] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  699.349821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.355337] syz-fuzzer cpuset=/ mems_allowed=0
[  699.361824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.390810]  ? __lock_acquire+0x62f/0x4c20
[  699.395053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  699.400159]  ? __lock_acquire+0x62f/0x4c20
[  699.404391]  ? should_fail+0x22d/0xd01
[  699.408291]  ? rcu_irq_exit+0x1a2/0x390
[  699.412294]  ? mark_held_locks+0x130/0x130
[  699.416536]  ? mark_held_locks+0x130/0x130
[  699.420781]  ? mark_held_locks+0xc7/0x130
[  699.424928]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  699.429945]  ? zap_class+0x640/0x640
[  699.433663]  ? print_usage_bug+0xc0/0xc0
[  699.437727]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.443270]  ? check_preemption_disabled+0x48/0x280
[  699.448320]  ? __lock_is_held+0xb5/0x140
[  699.452392]  __alloc_pages_nodemask+0xa80/0xde0
[  699.457060]  ? zap_class+0x640/0x640
[  699.460779]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  699.465807]  ? find_held_lock+0x36/0x1c0
[  699.469882]  ? ____cache_alloc_node+0x1c7/0x1e0
[  699.474550]  ? lock_downgrade+0x900/0x900
[  699.478706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.484249]  cache_grow_begin+0xa5/0x8c0
[  699.488324]  ? do_raw_spin_unlock+0xa7/0x330
[  699.492744]  fallback_alloc+0x204/0x2e0
[  699.496728]  ____cache_alloc_node+0x1c7/0x1e0
[  699.501233]  kmem_cache_alloc_node+0xe3/0x730
[  699.505732]  ? ipv6_get_ifaddr+0x42e/0x620
[  699.509981]  __alloc_skb+0x119/0x770
[  699.513692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  699.518974]  ? netdev_alloc_frag+0x1f0/0x1f0
[  699.523381]  ? lock_downgrade+0x900/0x900
[  699.527538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.533078]  ? refcount_sub_and_test_checked+0x203/0x310
[  699.538530]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  699.543984]  ? addrconf_rs_timer+0x690/0x690
[  699.548409]  ndisc_alloc_skb+0x144/0x340
[  699.552473]  ndisc_send_rs+0x331/0x6e0
[  699.556365]  addrconf_rs_timer+0x314/0x690
[  699.560607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.564857]  call_timer_fn+0x272/0x920
[  699.568744]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.572976]  ? process_timeout+0x40/0x40
[  699.577048]  ? __run_timers+0x7da/0xc70
[  699.581027]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.585524]  ? _raw_spin_unlock_irq+0x27/0x80
[  699.590017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.594252]  ? lockdep_hardirqs_on+0x296/0x5b0
[  699.598849]  ? trace_hardirqs_on+0xbd/0x310
[  699.603171]  ? kasan_check_read+0x11/0x20
[  699.607315]  ? __run_timers+0x7da/0xc70
[  699.611307]  ? trace_hardirqs_off_caller+0x310/0x310
[  699.616418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.620657]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  699.624888]  __run_timers+0x7e5/0xc70
[  699.628702]  ? timer_fixup_init+0x70/0x70
[  699.632856]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  699.637874]  ? zap_class+0x640/0x640
[  699.641590]  ? enqueue_hrtimer+0x1a5/0x560
[  699.645826]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  699.651022]  ? find_held_lock+0x36/0x1c0
[  699.655089]  ? zap_class+0x640/0x640
[  699.658807]  ? pvclock_read_flags+0x160/0x160
[  699.663314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.668854]  ? check_preemption_disabled+0x48/0x280
[  699.673879]  ? __lock_is_held+0xb5/0x140
[  699.677944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.683484]  ? check_preemption_disabled+0x48/0x280
[  699.688505]  run_timer_softirq+0x52/0xb0
[  699.692571]  ? rcu_read_lock_sched_held+0x14f/0x180
[  699.697587]  __do_softirq+0x308/0xb7e
[  699.701394]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  699.705892]  ? lock_downgrade+0x900/0x900
[  699.710042]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  699.715154]  ? pvclock_read_flags+0x160/0x160
[  699.719651]  ? lapic_next_event+0x5a/0x90
[  699.724309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.729853]  ? kvm_clock_read+0x18/0x30
[  699.733825]  ? kvm_sched_clock_read+0x9/0x20
[  699.738241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.743784]  ? check_preemption_disabled+0x48/0x280
[  699.748812]  irq_exit+0x17f/0x1c0
[  699.752267]  smp_apic_timer_interrupt+0x1cb/0x760
[  699.757121]  ? smp_call_function_single_interrupt+0x159/0x650
[  699.763012]  ? smp_call_function_single_interrupt+0x650/0x650
[  699.768900]  ? interrupt_entry+0xb5/0xc0
[  699.772962]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.777979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  699.782997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.787842]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.792862]  ? trace_hardirqs_on_caller+0x310/0x310
[  699.797881]  ? task_prio+0x50/0x50
[  699.801424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  699.806960]  ? check_preemption_disabled+0x48/0x280
[  699.811983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  699.816835]  apic_timer_interrupt+0xf/0x20
[  699.821061]  </IRQ>
[  699.823309] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  699.828241] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  699.847149] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  699.854861] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  699.862127] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  699.869398] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  699.876661] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  699.883930] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  699.891245]  skb_clone+0x1bb/0x500
[  699.894803]  ? finish_task_switch+0x2f4/0x910
[  699.899314]  ? skb_split+0x11e0/0x11e0
[  699.903205]  ? preempt_notifier_register+0x200/0x200
[  699.908316]  ? __switch_to_asm+0x34/0x70
[  699.912378]  ? __switch_to_asm+0x34/0x70
[  699.916439]  ? __switch_to_asm+0x40/0x70
[  699.920498]  ? __switch_to_asm+0x34/0x70
[  699.924560]  ? __switch_to_asm+0x40/0x70
[  699.928619]  ? __switch_to_asm+0x34/0x70
[  699.932678]  ? __switch_to_asm+0x40/0x70
[  699.936739]  ? __switch_to_asm+0x34/0x70
[  699.940800]  ? __switch_to_asm+0x34/0x70
[  699.944859]  ? __switch_to_asm+0x40/0x70
[  699.948921]  ? __switch_to_asm+0x34/0x70
[  699.953016]  bpf_clone_redirect+0xb9/0x490
[  699.957250]  ? __schedule+0x8d7/0x21d0
[  699.961158]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  699.966192]  ? __sched_text_start+0x8/0x8
[  699.970343]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  699.974932]  ? retint_kernel+0x2d/0x2d
[  699.978824]  ? trace_hardirqs_on_caller+0xc0/0x310
[  699.983761]  ? find_held_lock+0x36/0x1c0
[  699.987830]  ? lock_acquire+0x1ed/0x520
[  699.991802]  ? bpf_test_run+0x3cb/0x780
[  699.995778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.001319]  ? check_preemption_disabled+0x48/0x280
[  700.006344]  ? kasan_check_read+0x11/0x20
[  700.010489]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.015764]  ? rcu_softirq_qs+0x20/0x20
[  700.019741]  ? preempt_schedule+0x4d/0x60
[  700.023892]  ? ___preempt_schedule+0x16/0x18
[  700.028317]  ? bpf_test_run+0x25d/0x780
[  700.032316]  ? netlink_diag_dump+0x2a0/0x2a0
[  700.036732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.042269]  ? bpf_test_init.isra.10+0x70/0x100
[  700.046965]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  700.051731]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  700.056572]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  700.062109]  ? fput+0x130/0x1a0
[  700.065392]  ? __bpf_prog_get+0x9b/0x290
[  700.069455]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  700.074307]  ? bpf_prog_test_run+0x130/0x1a0
[  700.078724]  ? __x64_sys_bpf+0x3d8/0x520
[  700.082782]  ? bpf_prog_get+0x20/0x20
[  700.086604]  ? do_syscall_64+0x1b9/0x820
[  700.090670]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  700.096045]  ? syscall_return_slowpath+0x5e0/0x5e0
[  700.100982]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.106003]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  700.111023]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  700.117695]  ? __switch_to_asm+0x40/0x70
[  700.121757]  ? __switch_to_asm+0x34/0x70
[  700.125830]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.130688]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  700.136076] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  700.136148] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  700.142659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  700.142668] Call Trace:
[  700.149244] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  700.158495]  <IRQ>
[  700.161064] syz-executor3 cpuset=syz3 mems_allowed=0
[  700.171553]  dump_stack+0x244/0x39d
[  700.182397]  ? dump_stack_print_info.cold.1+0x20/0x20
[  700.187604]  warn_alloc.cold.116+0xb7/0x1bd
[  700.191933]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  700.196783]  ? lock_downgrade+0x900/0x900
[  700.200947]  ? trace_hardirqs_off+0xb8/0x310
[  700.205368]  ? trace_hardirqs_off+0xb8/0x310
[  700.209799]  __alloc_pages_slowpath+0x26e8/0x2e10
[  700.214678]  ? warn_alloc+0x120/0x120
[  700.218485]  ? print_usage_bug+0xc0/0xc0
[  700.222550]  ? warn_alloc+0x120/0x120
[  700.226363]  ? warn_alloc+0x120/0x120
[  700.230165]  ? print_usage_bug+0xc0/0xc0
[  700.234225]  ? kvm_clock_read+0x18/0x30
[  700.238200]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  700.243222]  ? print_usage_bug+0xc0/0xc0
[  700.247293]  ? __lock_acquire+0x62f/0x4c20
[  700.251539]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.257081]  ? should_fail+0x22d/0xd01
[  700.260966]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.266255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.271371]  ? __lock_acquire+0x62f/0x4c20
[  700.275612]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  700.280712]  ? __lock_acquire+0x62f/0x4c20
[  700.284946]  ? should_fail+0x22d/0xd01
[  700.288836]  ? rcu_irq_exit+0x1a2/0x390
[  700.292830]  ? mark_held_locks+0x130/0x130
[  700.297074]  ? mark_held_locks+0x130/0x130
[  700.301320]  ? mark_held_locks+0xc7/0x130
[  700.305468]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  700.310483]  ? zap_class+0x640/0x640
[  700.314200]  ? print_usage_bug+0xc0/0xc0
[  700.318268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.323823]  ? check_preemption_disabled+0x48/0x280
[  700.328865]  ? __lock_is_held+0xb5/0x140
[  700.332936]  __alloc_pages_nodemask+0xa80/0xde0
[  700.337610]  ? zap_class+0x640/0x640
[  700.341329]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  700.346358]  ? find_held_lock+0x36/0x1c0
[  700.350436]  ? ____cache_alloc_node+0x1c7/0x1e0
[  700.355124]  ? lock_downgrade+0x900/0x900
[  700.359294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.364841]  cache_grow_begin+0xa5/0x8c0
[  700.368903]  ? do_raw_spin_unlock+0xa7/0x330
[  700.373325]  fallback_alloc+0x204/0x2e0
[  700.377316]  ____cache_alloc_node+0x1c7/0x1e0
[  700.381823]  kmem_cache_alloc_node+0xe3/0x730
[  700.386317]  ? ipv6_get_ifaddr+0x42e/0x620
[  700.390568]  __alloc_skb+0x119/0x770
[  700.394293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.399577]  ? netdev_alloc_frag+0x1f0/0x1f0
[  700.403985]  ? lock_downgrade+0x900/0x900
[  700.408144]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.413684]  ? refcount_sub_and_test_checked+0x203/0x310
[  700.419138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  700.424589]  ? addrconf_rs_timer+0x690/0x690
[  700.429014]  ndisc_alloc_skb+0x144/0x340
[  700.433085]  ndisc_send_rs+0x331/0x6e0
[  700.436984]  addrconf_rs_timer+0x314/0x690
[  700.441223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.445470]  call_timer_fn+0x272/0x920
[  700.449362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.453603]  ? process_timeout+0x40/0x40
[  700.457679]  ? mark_held_locks+0xc7/0x130
[  700.461832]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.466330]  ? _raw_spin_unlock_irq+0x27/0x80
[  700.470822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.475057]  ? lockdep_hardirqs_on+0x296/0x5b0
[  700.479642]  ? trace_hardirqs_on+0xbd/0x310
[  700.483967]  ? kasan_check_read+0x11/0x20
[  700.488118]  ? __run_timers+0x7da/0xc70
[  700.492100]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.497210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.501453]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  700.505690]  __run_timers+0x7e5/0xc70
[  700.509502]  ? timer_fixup_init+0x70/0x70
[  700.513669]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  700.518689]  ? zap_class+0x640/0x640
[  700.522414]  ? print_usage_bug+0xc0/0xc0
[  700.526492]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  700.531692]  ? find_held_lock+0x36/0x1c0
[  700.535764]  ? zap_class+0x640/0x640
[  700.539504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.545044]  ? check_preemption_disabled+0x48/0x280
[  700.550072]  ? __lock_is_held+0xb5/0x140
[  700.554134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.559673]  ? check_preemption_disabled+0x48/0x280
[  700.564698]  run_timer_softirq+0x52/0xb0
[  700.568758]  ? rcu_read_lock_sched_held+0x14f/0x180
[  700.573781]  __do_softirq+0x308/0xb7e
[  700.577596]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  700.582092]  ? lock_downgrade+0x900/0x900
[  700.586245]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  700.591374]  ? pvclock_read_flags+0x160/0x160
[  700.595871]  ? lapic_next_event+0x5a/0x90
[  700.600026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.605572]  ? kvm_clock_read+0x18/0x30
[  700.609547]  ? kvm_sched_clock_read+0x9/0x20
[  700.613956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.619500]  ? check_preemption_disabled+0x48/0x280
[  700.624533]  irq_exit+0x17f/0x1c0
[  700.627987]  smp_apic_timer_interrupt+0x1cb/0x760
[  700.632826]  ? smp_reschedule_interrupt+0x109/0x650
[  700.637847]  ? smp_call_function_single_interrupt+0x650/0x650
[  700.643734]  ? interrupt_entry+0xb5/0xc0
[  700.647801]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.652821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  700.657841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.662686]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.667709]  ? trace_hardirqs_on_caller+0x310/0x310
[  700.672726]  ? task_prio+0x50/0x50
[  700.676269]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.681823]  ? check_preemption_disabled+0x48/0x280
[  700.686850]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  700.691706]  apic_timer_interrupt+0xf/0x20
[  700.695932]  </IRQ>
[  700.698176] RIP: 0010:dump_stack+0x358/0x39d
[  700.702590] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  700.721490] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  700.729218] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  700.736486] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  700.743753] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  700.751026] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  700.758302] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  700.765595]  ? dump_stack+0x34f/0x39d
[  700.769416]  ? dump_stack_print_info.cold.1+0x20/0x20
[  700.774609]  ? mark_held_locks+0x130/0x130
[  700.778843]  ? mark_held_locks+0x130/0x130
[  700.783089]  dump_header+0x27b/0xf72
[  700.786821]  ? pagefault_out_of_memory+0x197/0x197
[  700.791760]  ? __lock_acquire+0x62f/0x4c20
[  700.796005]  ? percpu_ref_get_many+0x240/0x240
[  700.800595]  ? print_usage_bug+0xc0/0xc0
[  700.804662]  ? zap_class+0x640/0x640
[  700.808379]  ? print_usage_bug+0xc0/0xc0
[  700.812443]  ? print_usage_bug+0xc0/0xc0
[  700.816509]  ? zap_class+0x640/0x640
[  700.820226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  700.825774]  ? find_held_lock+0x36/0x1c0
[  700.829857]  ? mark_held_locks+0xc7/0x130
[  700.834032]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  700.839140]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  700.844245]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  700.848838]  ? trace_hardirqs_on+0xbd/0x310
[  700.853644]  ? kasan_check_read+0x11/0x20
[  700.857801]  ? ___ratelimit+0x3b4/0x672
[  700.861782]  ? trace_hardirqs_off_caller+0x310/0x310
[  700.866896]  ? trace_hardirqs_on+0x310/0x310
[  700.871311]  ? lock_downgrade+0x900/0x900
[  700.875479]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  700.880596]  ? ___ratelimit+0x3b9/0x672
[  700.884580]  ? idr_get_free+0xf70/0xf70
[  700.888555]  ? find_held_lock+0x36/0x1c0
[  700.892630]  oom_kill_process.cold.27+0x10/0x903
[  700.897428]  ? zap_class+0x640/0x640
[  700.901149]  ? check_preemption_disabled+0x48/0x280
[  700.906176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.911111]  ? kasan_check_read+0x11/0x20
[  700.915261]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.920550]  ? oom_evaluate_task+0x540/0x540
[  700.924967]  ? find_held_lock+0x36/0x1c0
[  700.929038]  ? out_of_memory+0x974/0x1430
[  700.933195]  ? lock_downgrade+0x900/0x900
[  700.937349]  ? check_preemption_disabled+0x48/0x280
[  700.942370]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  700.947309]  ? kasan_check_read+0x11/0x20
[  700.951462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  700.956742]  ? rcu_softirq_qs+0x20/0x20
[  700.960724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  700.966266]  ? oom_evaluate_task+0x302/0x540
[  700.970699]  out_of_memory+0xa84/0x1430
[  700.974688]  ? oom_killer_disable+0x3a0/0x3a0
[  700.979193]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  700.984130]  ? __ww_mutex_check_waiters+0x160/0x160
[  700.989161]  __alloc_pages_slowpath+0x2354/0x2e10
[  700.994039]  ? warn_alloc+0x120/0x120
[  700.997843]  ? mark_held_locks+0x130/0x130
[  701.002089]  ? find_get_entry+0xaae/0x1120
[  701.006336]  ? filemap_map_pages+0x1a20/0x1a20
[  701.010928]  ? zap_class+0x640/0x640
[  701.014649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.020192]  ? check_preemption_disabled+0x48/0x280
[  701.025209]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.030751]  ? should_fail+0x22d/0xd01
[  701.034647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.039753]  ? zap_class+0x640/0x640
[  701.043500]  ? __lock_is_held+0xb5/0x140
[  701.047576]  ? mark_held_locks+0x130/0x130
[  701.051823]  ? lock_release+0xa00/0xa00
[  701.055817]  ? perf_trace_sched_process_exec+0x860/0x860
[  701.061292]  ? xa_load+0x2ba/0x460
[  701.064839]  ? lock_downgrade+0x900/0x900
[  701.068996]  ? __might_sleep+0x95/0x190
[  701.072977]  __alloc_pages_nodemask+0xa80/0xde0
[  701.077657]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  701.082679]  ? __page_cache_alloc+0x191/0x5c0
[  701.087178]  ? xa_load+0x2e1/0x460
[  701.090724]  ? xa_clear_mark+0x40/0x40
[  701.094614]  ? zap_class+0x640/0x640
[  701.098342]  ? zap_class+0x640/0x640
[  701.102056]  ? zap_class+0x640/0x640
[  701.105772]  ? __do_page_cache_readahead+0x663/0x810
[  701.110886]  ? find_held_lock+0x36/0x1c0
[  701.114957]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  701.120500]  alloc_pages_current+0x173/0x350
[  701.124923]  __page_cache_alloc+0x38c/0x5c0
[  701.129246]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  701.134203]  ? kasan_check_read+0x11/0x20
[  701.138351]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.143630]  ? generic_perform_write+0x6a0/0x6a0
[  701.148388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.153926]  ? check_preemption_disabled+0x48/0x280
[  701.158952]  filemap_fault+0x1595/0x25f0
[  701.163028]  ? __lock_page_or_retry+0xa00/0xa00
[  701.167703]  ? mark_held_locks+0x130/0x130
[  701.171949]  ? filemap_map_pages+0xd6b/0x1a20
[  701.176452]  ? lock_downgrade+0x900/0x900
[  701.180601]  ? check_preemption_disabled+0x48/0x280
[  701.185627]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  701.190560]  ? kasan_check_read+0x11/0x20
[  701.194709]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.199989]  ? rcu_softirq_qs+0x20/0x20
[  701.203980]  ? filemap_map_pages+0xd92/0x1a20
[  701.208498]  ? print_usage_bug+0xc0/0xc0
[  701.212570]  ? find_get_entries_tag+0x1400/0x1400
[  701.217413]  ? __kasan_slab_free+0x102/0x150
[  701.221826]  ? kasan_slab_free+0xe/0x10
[  701.225806]  ? kmem_cache_free+0x83/0x290
[  701.229956]  ? __sigqueue_free.part.29+0x74/0x90
[  701.234734]  ? lock_acquire+0x1ed/0x520
[  701.238707]  ? ext4_filemap_fault+0x7a/0xad
[  701.243039]  ? lock_release+0xa00/0xa00
[  701.247015]  ? perf_trace_sched_process_exec+0x860/0x860
[  701.252465]  ? print_usage_bug+0xc0/0xc0
[  701.256528]  ? print_usage_bug+0xc0/0xc0
[  701.260602]  ? down_read+0x8d/0x120
[  701.264228]  ? ext4_filemap_fault+0x7a/0xad
[  701.268553]  ? __down_interruptible+0x700/0x700
[  701.273236]  ext4_filemap_fault+0x82/0xad
[  701.277387]  __do_fault+0x100/0x6b0
[  701.281022]  ? pmd_devmap_trans_unstable+0x220/0x220
[  701.286129]  ? mark_held_locks+0x130/0x130
[  701.290381]  ? mark_held_locks+0x130/0x130
[  701.294624]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  701.300164]  ? rcu_pm_notify+0xc0/0xc0
[  701.304060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.309601]  __handle_mm_fault+0x3ea6/0x5be0
[  701.314022]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  701.318864]  ? _raw_spin_unlock_irq+0x27/0x80
[  701.323362]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  701.327948]  ? trace_hardirqs_on+0xbd/0x310
[  701.332271]  ? kasan_check_read+0x11/0x20
[  701.336425]  ? __set_current_blocked+0xdf/0x120
[  701.341095]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.346213]  ? zap_class+0x640/0x640
[  701.349926]  ? zap_class+0x640/0x640
[  701.353652]  ? find_held_lock+0x36/0x1c0
[  701.357724]  ? handle_mm_fault+0x42a/0xc70
[  701.361964]  ? lock_downgrade+0x900/0x900
[  701.366116]  ? check_preemption_disabled+0x48/0x280
[  701.371136]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  701.376065]  ? kasan_check_read+0x11/0x20
[  701.380214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.385490]  ? rcu_softirq_qs+0x20/0x20
[  701.389465]  ? trace_hardirqs_off_caller+0x310/0x310
[  701.394570]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.400111]  ? check_preemption_disabled+0x48/0x280
[  701.405135]  handle_mm_fault+0x54f/0xc70
[  701.409210]  ? __handle_mm_fault+0x5be0/0x5be0
[  701.413807]  ? find_vma+0x34/0x190
[  701.417358]  __do_page_fault+0x5e8/0xe60
[  701.421426]  ? exit_to_usermode_loop+0x1f4/0x380
[  701.426202]  do_page_fault+0xf2/0x7e0
[  701.430029]  ? vmalloc_sync_all+0x30/0x30
[  701.434182]  ? error_entry+0x70/0xd0
[  701.437897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  701.442912]  ? trace_hardirqs_on_caller+0xc0/0x310
[  701.447842]  ? syscall_return_slowpath+0x5e0/0x5e0
[  701.452774]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.457629]  ? trace_hardirqs_on_caller+0x310/0x310
[  701.462647]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  701.468108]  ? prepare_exit_to_usermode+0x291/0x3b0
[  701.473124]  ? page_fault+0x8/0x30
[  701.476667]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  701.481517]  ? page_fault+0x8/0x30
[  701.485060]  page_fault+0x1e/0x30
[  701.488509] RIP: 0033:0x45db60
[  701.491712] Code: Bad RIP value.
[  701.495073] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  701.500433] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  701.507704] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  701.514972] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  701.522243] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  701.529514] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  701.536822] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  701.536828] warn_alloc_show_mem: 1 callbacks suppressed
[  701.536835] Mem-Info:
[  701.543763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  701.549128] active_anon:45842 inactive_anon:131 isolated_anon:0
[  701.549128]  active_file:10 inactive_file:14 isolated_file:0
[  701.549128]  unevictable:0 dirty:0 writeback:0 unstable:0
[  701.549128]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  701.549128]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  701.549128]  free:13767 free_pcp:218 free_cma:0
[  701.551497] Call Trace:
[  701.560884] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  701.593741]  <IRQ>
[  701.596316] 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
[  701.623828]  dump_stack+0x244/0x39d
[  701.625954] lowmem_reserve[]: 0 2818 6321 6321
[  701.652061]  ? dump_stack_print_info.cold.1+0x20/0x20
[  701.655657] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  701.660244]  warn_alloc.cold.116+0xb7/0x1bd
[  701.665398] lowmem_reserve[]: 0 0 3503 3503
[  701.692728]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  701.697022] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  701.701339]  ? lock_downgrade+0x900/0x900
[  701.706156] lowmem_reserve[]: 0 0 0 0
[  701.735519]  ? trace_hardirqs_off+0xb8/0x310
[  701.739642] 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
[  701.743438]  ? trace_hardirqs_off+0xb8/0x310
[  701.747820] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  701.761349]  __alloc_pages_slowpath+0x26e8/0x2e10
[  701.765813] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  701.781101]  ? warn_alloc+0x120/0x120
[  701.785900] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  701.800722]  ? print_usage_bug+0xc0/0xc0
[  701.804500] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  701.813342]  ? warn_alloc+0x120/0x120
[  701.817380] 162 total pagecache pages
[  701.825954]  ? warn_alloc+0x120/0x120
[  701.829734] 0 pages in swap cache
[  701.833522]  ? print_usage_bug+0xc0/0xc0
[  701.837306] Swap cache stats: add 0, delete 0, find 0/0
[  701.840752]  ? kvm_clock_read+0x18/0x30
[  701.844792] Free swap  = 0kB
[  701.850146]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  701.854095] Total swap = 0kB
[  701.857107]  ? print_usage_bug+0xc0/0xc0
[  701.862101] 1965979 pages RAM
[  701.865114]  ? __lock_acquire+0x62f/0x4c20
[  701.869153] 0 pages HighMem/MovableOnly
[  701.872254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  701.876458] 342855 pages reserved
[  701.880429]  ? should_fail+0x22d/0xd01
[  701.885937] 0 pages cma reserved
[  701.889382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  701.893315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  701.896605]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.896622]  ? __lock_acquire+0x62f/0x4c20
[  701.896640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  701.901957] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  701.908383]  ? __lock_acquire+0x62f/0x4c20
[  701.913463] syz-fuzzer cpuset=/ mems_allowed=0
[  701.917690]  ? should_fail+0x22d/0xd01
[  701.945636]  ? rcu_irq_exit+0x1a2/0x390
[  701.949630]  ? mark_held_locks+0x130/0x130
[  701.953873]  ? mark_held_locks+0x130/0x130
[  701.958118]  ? mark_held_locks+0xc7/0x130
[  701.962264]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  701.967306]  ? zap_class+0x640/0x640
[  701.971023]  ? print_usage_bug+0xc0/0xc0
[  701.975089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  701.980630]  ? check_preemption_disabled+0x48/0x280
[  701.985659]  ? __lock_is_held+0xb5/0x140
[  701.989730]  __alloc_pages_nodemask+0xa80/0xde0
[  701.994400]  ? zap_class+0x640/0x640
[  701.998122]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  702.003151]  ? find_held_lock+0x36/0x1c0
[  702.007224]  ? ____cache_alloc_node+0x1c7/0x1e0
[  702.011892]  ? lock_downgrade+0x900/0x900
[  702.016047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.021589]  cache_grow_begin+0xa5/0x8c0
[  702.025651]  ? do_raw_spin_unlock+0xa7/0x330
[  702.030070]  fallback_alloc+0x204/0x2e0
[  702.034054]  ____cache_alloc_node+0x1c7/0x1e0
[  702.038554]  kmem_cache_alloc_node+0xe3/0x730
[  702.043051]  ? ipv6_get_ifaddr+0x42e/0x620
[  702.047309]  __alloc_skb+0x119/0x770
[  702.051026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.056321]  ? netdev_alloc_frag+0x1f0/0x1f0
[  702.060732]  ? lock_downgrade+0x900/0x900
[  702.064887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.070425]  ? refcount_sub_and_test_checked+0x203/0x310
[  702.075884]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  702.081335]  ? addrconf_rs_timer+0x690/0x690
[  702.085755]  ndisc_alloc_skb+0x144/0x340
[  702.089821]  ndisc_send_rs+0x331/0x6e0
[  702.093748]  addrconf_rs_timer+0x314/0x690
[  702.097989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.102234]  call_timer_fn+0x272/0x920
[  702.106119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.110355]  ? process_timeout+0x40/0x40
[  702.114424]  ? __run_timers+0x7da/0xc70
[  702.118409]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.122903]  ? _raw_spin_unlock_irq+0x27/0x80
[  702.127396]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.131633]  ? lockdep_hardirqs_on+0x296/0x5b0
[  702.136216]  ? trace_hardirqs_on+0xbd/0x310
[  702.140542]  ? kasan_check_read+0x11/0x20
[  702.144687]  ? __run_timers+0x7da/0xc70
[  702.148667]  ? trace_hardirqs_off_caller+0x310/0x310
[  702.153776]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.158014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.162254]  __run_timers+0x7e5/0xc70
[  702.166081]  ? timer_fixup_init+0x70/0x70
[  702.170229]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  702.175247]  ? zap_class+0x640/0x640
[  702.178979]  ? enqueue_hrtimer+0x1a5/0x560
[  702.183215]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  702.188415]  ? find_held_lock+0x36/0x1c0
[  702.192484]  ? zap_class+0x640/0x640
[  702.196206]  ? pvclock_read_flags+0x160/0x160
[  702.200708]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.206253]  ? check_preemption_disabled+0x48/0x280
[  702.211308]  ? __lock_is_held+0xb5/0x140
[  702.215376]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.220915]  ? check_preemption_disabled+0x48/0x280
[  702.225941]  run_timer_softirq+0x52/0xb0
[  702.230002]  ? rcu_read_lock_sched_held+0x14f/0x180
[  702.235018]  __do_softirq+0x308/0xb7e
[  702.238823]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  702.243319]  ? lock_downgrade+0x900/0x900
[  702.247470]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  702.252583]  ? pvclock_read_flags+0x160/0x160
[  702.257082]  ? lapic_next_event+0x5a/0x90
[  702.261231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.266775]  ? kvm_clock_read+0x18/0x30
[  702.270747]  ? kvm_sched_clock_read+0x9/0x20
[  702.275158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.280696]  ? check_preemption_disabled+0x48/0x280
[  702.285721]  irq_exit+0x17f/0x1c0
[  702.289177]  smp_apic_timer_interrupt+0x1cb/0x760
[  702.294020]  ? smp_call_function_single_interrupt+0x159/0x650
[  702.299904]  ? smp_call_function_single_interrupt+0x650/0x650
[  702.305794]  ? interrupt_entry+0xb5/0xc0
[  702.309863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.314876]  ? trace_hardirqs_off_caller+0xbb/0x310
[  702.319893]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.324734]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.329747]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.334778]  ? task_prio+0x50/0x50
[  702.338328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.343866]  ? check_preemption_disabled+0x48/0x280
[  702.348889]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.353742]  apic_timer_interrupt+0xf/0x20
[  702.357973]  </IRQ>
[  702.360215] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  702.365143] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  702.384040] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  702.391745] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  702.399012] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  702.406291] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  702.413555] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  702.420824] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  702.428139]  skb_clone+0x1bb/0x500
[  702.431685]  ? finish_task_switch+0x2f4/0x910
[  702.436184]  ? skb_split+0x11e0/0x11e0
[  702.440077]  ? preempt_notifier_register+0x200/0x200
[  702.445186]  ? __switch_to_asm+0x34/0x70
[  702.449246]  ? __switch_to_asm+0x34/0x70
[  702.453320]  ? __switch_to_asm+0x40/0x70
[  702.457387]  ? __switch_to_asm+0x34/0x70
[  702.461458]  ? __switch_to_asm+0x40/0x70
[  702.465522]  ? __switch_to_asm+0x34/0x70
[  702.469581]  ? __switch_to_asm+0x40/0x70
[  702.473639]  ? __switch_to_asm+0x34/0x70
[  702.477699]  ? __switch_to_asm+0x34/0x70
[  702.481762]  ? __switch_to_asm+0x40/0x70
[  702.485824]  ? __switch_to_asm+0x34/0x70
[  702.489895]  bpf_clone_redirect+0xb9/0x490
[  702.494133]  ? __schedule+0x8d7/0x21d0
[  702.498025]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  702.503047]  ? __sched_text_start+0x8/0x8
[  702.507199]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  702.511784]  ? retint_kernel+0x2d/0x2d
[  702.515673]  ? trace_hardirqs_on_caller+0xc0/0x310
[  702.520608]  ? find_held_lock+0x36/0x1c0
[  702.524679]  ? lock_acquire+0x1ed/0x520
[  702.528652]  ? bpf_test_run+0x3cb/0x780
[  702.532632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.538174]  ? check_preemption_disabled+0x48/0x280
[  702.543198]  ? kasan_check_read+0x11/0x20
[  702.547360]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.552639]  ? rcu_softirq_qs+0x20/0x20
[  702.556612]  ? preempt_schedule+0x4d/0x60
[  702.560761]  ? ___preempt_schedule+0x16/0x18
[  702.565180]  ? bpf_test_run+0x25d/0x780
[  702.569168]  ? netlink_diag_dump+0x2a0/0x2a0
[  702.573584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.579123]  ? bpf_test_init.isra.10+0x70/0x100
[  702.583801]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  702.588572]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  702.593416]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  702.598955]  ? fput+0x130/0x1a0
[  702.602239]  ? __bpf_prog_get+0x9b/0x290
[  702.606315]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  702.611154]  ? bpf_prog_test_run+0x130/0x1a0
[  702.615565]  ? __x64_sys_bpf+0x3d8/0x520
[  702.619626]  ? bpf_prog_get+0x20/0x20
[  702.623454]  ? do_syscall_64+0x1b9/0x820
[  702.627518]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  702.632882]  ? syscall_return_slowpath+0x5e0/0x5e0
[  702.637818]  ? trace_hardirqs_on_caller+0x310/0x310
[  702.642836]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  702.647853]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  702.654522]  ? __switch_to_asm+0x40/0x70
[  702.658581]  ? __switch_to_asm+0x34/0x70
[  702.662646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  702.667503]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  702.672887] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  702.672975] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  702.679471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  702.679476] Call Trace:
[  702.679483]  <IRQ>
[  702.679501]  dump_stack+0x244/0x39d
[  702.679520]  ? dump_stack_print_info.cold.1+0x20/0x20
[  702.686080] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  702.695356]  warn_alloc.cold.116+0xb7/0x1bd
[  702.697905] syz-executor3 cpuset=syz3 mems_allowed=0
[  702.700050]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  702.733533]  ? lock_downgrade+0x900/0x900
[  702.737694]  ? trace_hardirqs_off+0xb8/0x310
[  702.742113]  ? trace_hardirqs_off+0xb8/0x310
[  702.746541]  __alloc_pages_slowpath+0x26e8/0x2e10
[  702.751422]  ? warn_alloc+0x120/0x120
[  702.755231]  ? print_usage_bug+0xc0/0xc0
[  702.759304]  ? warn_alloc+0x120/0x120
[  702.763112]  ? warn_alloc+0x120/0x120
[  702.766917]  ? print_usage_bug+0xc0/0xc0
[  702.770984]  ? print_usage_bug+0xc0/0xc0
[  702.775048]  ? __lock_acquire+0x62f/0x4c20
[  702.779300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  702.784841]  ? should_fail+0x22d/0xd01
[  702.788732]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.793840]  ? __lock_acquire+0x62f/0x4c20
[  702.798083]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  702.803185]  ? __lock_acquire+0x62f/0x4c20
[  702.807417]  ? should_fail+0x22d/0xd01
[  702.811309]  ? find_held_lock+0x36/0x1c0
[  702.815384]  ? mark_held_locks+0x130/0x130
[  702.819624]  ? mark_held_locks+0x130/0x130
[  702.823861]  ? zap_class+0x640/0x640
[  702.827578]  ? zap_class+0x640/0x640
[  702.831305]  ? print_usage_bug+0xc0/0xc0
[  702.835368]  ? do_raw_spin_unlock+0xa7/0x330
[  702.839776]  ? zap_class+0x640/0x640
[  702.843498]  ? print_usage_bug+0xc0/0xc0
[  702.847563]  ? wq_watchdog_touch+0x9c/0xfe
[  702.851807]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.857810]  ? check_preemption_disabled+0x48/0x280
[  702.862839]  ? __lock_is_held+0xb5/0x140
[  702.866912]  __alloc_pages_nodemask+0xa80/0xde0
[  702.871582]  ? zap_class+0x640/0x640
[  702.875306]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  702.880337]  ? find_held_lock+0x36/0x1c0
[  702.884409]  ? ____cache_alloc_node+0x1c7/0x1e0
[  702.889079]  ? lock_downgrade+0x900/0x900
[  702.893236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.898778]  cache_grow_begin+0xa5/0x8c0
[  702.902842]  ? do_raw_spin_unlock+0xa7/0x330
[  702.907261]  fallback_alloc+0x204/0x2e0
[  702.911254]  ____cache_alloc_node+0x1c7/0x1e0
[  702.915766]  kmem_cache_alloc_node+0xe3/0x730
[  702.920265]  ? ipv6_get_ifaddr+0x42e/0x620
[  702.924520]  __alloc_skb+0x119/0x770
[  702.928237]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  702.933521]  ? netdev_alloc_frag+0x1f0/0x1f0
[  702.937932]  ? lock_downgrade+0x900/0x900
[  702.942092]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  702.947635]  ? refcount_sub_and_test_checked+0x203/0x310
[  702.953094]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  702.958546]  ? addrconf_rs_timer+0x690/0x690
[  702.962966]  ndisc_alloc_skb+0x144/0x340
[  702.967043]  ndisc_send_rs+0x331/0x6e0
[  702.970949]  addrconf_rs_timer+0x314/0x690
[  702.975190]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.979437]  call_timer_fn+0x272/0x920
[  702.983325]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  702.987561]  ? process_timeout+0x40/0x40
[  702.991640]  ? mark_held_locks+0xc7/0x130
[  702.995800]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.000308]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.004805]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.009044]  ? lockdep_hardirqs_on+0x296/0x5b0
[  703.013626]  ? trace_hardirqs_on+0xbd/0x310
[  703.017949]  ? kasan_check_read+0x11/0x20
[  703.022094]  ? __run_timers+0x7da/0xc70
[  703.026068]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.031184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  703.035415]  __run_timers+0x7e5/0xc70
[  703.039226]  ? timer_fixup_init+0x70/0x70
[  703.043377]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  703.048398]  ? zap_class+0x640/0x640
[  703.052126]  ? print_usage_bug+0xc0/0xc0
[  703.056191]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  703.061387]  ? find_held_lock+0x36/0x1c0
[  703.065459]  ? zap_class+0x640/0x640
[  703.069183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.074724]  ? check_preemption_disabled+0x48/0x280
[  703.079751]  ? __lock_is_held+0xb5/0x140
[  703.083816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.089355]  ? check_preemption_disabled+0x48/0x280
[  703.094384]  run_timer_softirq+0x52/0xb0
[  703.098446]  ? rcu_read_lock_sched_held+0x14f/0x180
[  703.103464]  __do_softirq+0x308/0xb7e
[  703.107268]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  703.111770]  ? lock_downgrade+0x900/0x900
[  703.115926]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  703.121038]  ? pvclock_read_flags+0x160/0x160
[  703.125540]  ? lapic_next_event+0x5a/0x90
[  703.129690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.135231]  ? kvm_clock_read+0x18/0x30
[  703.139208]  ? kvm_sched_clock_read+0x9/0x20
[  703.143617]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.149156]  ? check_preemption_disabled+0x48/0x280
[  703.154181]  irq_exit+0x17f/0x1c0
[  703.157635]  smp_apic_timer_interrupt+0x1cb/0x760
[  703.162473]  ? smp_reschedule_interrupt+0x109/0x650
[  703.167495]  ? smp_call_function_single_interrupt+0x650/0x650
[  703.173385]  ? interrupt_entry+0xb5/0xc0
[  703.177453]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.182474]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.187493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.192340]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.197355]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.202370]  ? task_prio+0x50/0x50
[  703.205910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.211479]  ? check_preemption_disabled+0x48/0x280
[  703.216506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.221358]  apic_timer_interrupt+0xf/0x20
[  703.225585]  </IRQ>
[  703.227824] RIP: 0010:dump_stack+0x358/0x39d
[  703.232233] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  703.251131] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  703.258841] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  703.266106] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  703.273372] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  703.280639] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  703.287906] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  703.295202]  ? dump_stack+0x34f/0x39d
[  703.299022]  ? dump_stack_print_info.cold.1+0x20/0x20
[  703.304308]  ? mark_held_locks+0x130/0x130
[  703.308543]  ? mark_held_locks+0x130/0x130
[  703.312792]  dump_header+0x27b/0xf72
[  703.316520]  ? pagefault_out_of_memory+0x197/0x197
[  703.321459]  ? __lock_acquire+0x62f/0x4c20
[  703.325700]  ? percpu_ref_get_many+0x240/0x240
[  703.330299]  ? print_usage_bug+0xc0/0xc0
[  703.334369]  ? zap_class+0x640/0x640
[  703.338089]  ? print_usage_bug+0xc0/0xc0
[  703.342149]  ? print_usage_bug+0xc0/0xc0
[  703.346212]  ? zap_class+0x640/0x640
[  703.349929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.355475]  ? find_held_lock+0x36/0x1c0
[  703.359547]  ? mark_held_locks+0xc7/0x130
[  703.363703]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.368813]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  703.373918]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  703.378502]  ? trace_hardirqs_on+0xbd/0x310
[  703.382827]  ? kasan_check_read+0x11/0x20
[  703.386972]  ? ___ratelimit+0x3b4/0x672
[  703.390949]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.396056]  ? trace_hardirqs_on+0x310/0x310
[  703.400464]  ? lock_downgrade+0x900/0x900
[  703.404618]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  703.409720]  ? ___ratelimit+0x3b9/0x672
[  703.413697]  ? idr_get_free+0xf70/0xf70
[  703.417668]  ? find_held_lock+0x36/0x1c0
[  703.421737]  oom_kill_process.cold.27+0x10/0x903
[  703.426492]  ? zap_class+0x640/0x640
[  703.430207]  ? check_preemption_disabled+0x48/0x280
[  703.435230]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.440157]  ? kasan_check_read+0x11/0x20
[  703.444311]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.449595]  ? oom_evaluate_task+0x540/0x540
[  703.454009]  ? find_held_lock+0x36/0x1c0
[  703.458081]  ? out_of_memory+0x974/0x1430
[  703.462230]  ? lock_downgrade+0x900/0x900
[  703.466379]  ? check_preemption_disabled+0x48/0x280
[  703.471419]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.476358]  ? kasan_check_read+0x11/0x20
[  703.480503]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.485778]  ? rcu_softirq_qs+0x20/0x20
[  703.489766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.495313]  ? oom_evaluate_task+0x302/0x540
[  703.499724]  out_of_memory+0xa84/0x1430
[  703.503709]  ? oom_killer_disable+0x3a0/0x3a0
[  703.508209]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  703.513142]  ? __ww_mutex_check_waiters+0x160/0x160
[  703.518232]  __alloc_pages_slowpath+0x2354/0x2e10
[  703.523106]  ? warn_alloc+0x120/0x120
[  703.526908]  ? mark_held_locks+0x130/0x130
[  703.531153]  ? find_get_entry+0xaae/0x1120
[  703.535398]  ? filemap_map_pages+0x1a20/0x1a20
[  703.539989]  ? zap_class+0x640/0x640
[  703.543710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  703.549252]  ? check_preemption_disabled+0x48/0x280
[  703.554293]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.559833]  ? should_fail+0x22d/0xd01
[  703.563728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  703.568839]  ? zap_class+0x640/0x640
[  703.572584]  ? __lock_is_held+0xb5/0x140
[  703.576653]  ? mark_held_locks+0x130/0x130
[  703.580889]  ? lock_release+0xa00/0xa00
[  703.584866]  ? perf_trace_sched_process_exec+0x860/0x860
[  703.590320]  ? xa_load+0x2ba/0x460
[  703.593863]  ? lock_downgrade+0x900/0x900
[  703.598021]  ? __might_sleep+0x95/0x190
[  703.602006]  __alloc_pages_nodemask+0xa80/0xde0
[  703.606686]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  703.611706]  ? __page_cache_alloc+0x191/0x5c0
[  703.616203]  ? xa_load+0x2e1/0x460
[  703.619746]  ? xa_clear_mark+0x40/0x40
[  703.623637]  ? zap_class+0x640/0x640
[  703.627363]  ? zap_class+0x640/0x640
[  703.631077]  ? zap_class+0x640/0x640
[  703.634808]  ? __do_page_cache_readahead+0x663/0x810
[  703.639916]  ? find_held_lock+0x36/0x1c0
[  703.643985]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  703.649531]  alloc_pages_current+0x173/0x350
[  703.653947]  __page_cache_alloc+0x38c/0x5c0
[  703.658269]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.663206]  ? kasan_check_read+0x11/0x20
[  703.667353]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.672634]  ? generic_perform_write+0x6a0/0x6a0
[  703.677394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.682932]  ? check_preemption_disabled+0x48/0x280
[  703.687960]  filemap_fault+0x1595/0x25f0
[  703.692035]  ? __lock_page_or_retry+0xa00/0xa00
[  703.696708]  ? mark_held_locks+0x130/0x130
[  703.700957]  ? filemap_map_pages+0xd6b/0x1a20
[  703.705452]  ? lock_downgrade+0x900/0x900
[  703.709609]  ? check_preemption_disabled+0x48/0x280
[  703.714629]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.719557]  ? kasan_check_read+0x11/0x20
[  703.723938]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.729219]  ? rcu_softirq_qs+0x20/0x20
[  703.733211]  ? filemap_map_pages+0xd92/0x1a20
[  703.737712]  ? print_usage_bug+0xc0/0xc0
[  703.741784]  ? find_get_entries_tag+0x1400/0x1400
[  703.746637]  ? __kasan_slab_free+0x102/0x150
[  703.751043]  ? kasan_slab_free+0xe/0x10
[  703.755018]  ? kmem_cache_free+0x83/0x290
[  703.759166]  ? __sigqueue_free.part.29+0x74/0x90
[  703.763941]  ? lock_acquire+0x1ed/0x520
[  703.767916]  ? ext4_filemap_fault+0x7a/0xad
[  703.772243]  ? lock_release+0xa00/0xa00
[  703.776225]  ? perf_trace_sched_process_exec+0x860/0x860
[  703.781678]  ? print_usage_bug+0xc0/0xc0
[  703.785742]  ? print_usage_bug+0xc0/0xc0
[  703.789821]  ? down_read+0x8d/0x120
[  703.793455]  ? ext4_filemap_fault+0x7a/0xad
[  703.797776]  ? __down_interruptible+0x700/0x700
[  703.802459]  ext4_filemap_fault+0x82/0xad
[  703.806612]  __do_fault+0x100/0x6b0
[  703.810246]  ? pmd_devmap_trans_unstable+0x220/0x220
[  703.815374]  ? mark_held_locks+0x130/0x130
[  703.819613]  ? mark_held_locks+0x130/0x130
[  703.823852]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  703.829397]  ? rcu_pm_notify+0xc0/0xc0
[  703.833298]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.838840]  __handle_mm_fault+0x3ea6/0x5be0
[  703.843260]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  703.848112]  ? _raw_spin_unlock_irq+0x27/0x80
[  703.852607]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  703.857194]  ? trace_hardirqs_on+0xbd/0x310
[  703.861513]  ? kasan_check_read+0x11/0x20
[  703.865668]  ? __set_current_blocked+0xdf/0x120
[  703.870344]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.875467]  ? zap_class+0x640/0x640
[  703.879177]  ? zap_class+0x640/0x640
[  703.882900]  ? find_held_lock+0x36/0x1c0
[  703.886978]  ? handle_mm_fault+0x42a/0xc70
[  703.891217]  ? lock_downgrade+0x900/0x900
[  703.895372]  ? check_preemption_disabled+0x48/0x280
[  703.900399]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  703.905329]  ? kasan_check_read+0x11/0x20
[  703.909478]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  703.914752]  ? rcu_softirq_qs+0x20/0x20
[  703.918729]  ? trace_hardirqs_off_caller+0x310/0x310
[  703.923839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  703.929377]  ? check_preemption_disabled+0x48/0x280
[  703.934408]  handle_mm_fault+0x54f/0xc70
[  703.938477]  ? __handle_mm_fault+0x5be0/0x5be0
[  703.943065]  ? find_vma+0x34/0x190
[  703.946614]  __do_page_fault+0x5e8/0xe60
[  703.950680]  ? exit_to_usermode_loop+0x1f4/0x380
[  703.955448]  do_page_fault+0xf2/0x7e0
[  703.959250]  ? vmalloc_sync_all+0x30/0x30
[  703.963405]  ? error_entry+0x70/0xd0
[  703.967123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  703.972136]  ? trace_hardirqs_on_caller+0xc0/0x310
[  703.977066]  ? syscall_return_slowpath+0x5e0/0x5e0
[  703.982000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  703.986851]  ? trace_hardirqs_on_caller+0x310/0x310
[  703.991871]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  703.997331]  ? prepare_exit_to_usermode+0x291/0x3b0
[  704.002351]  ? page_fault+0x8/0x30
[  704.005897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.010742]  ? page_fault+0x8/0x30
[  704.014296]  page_fault+0x1e/0x30
[  704.017748] RIP: 0033:0x45db60
[  704.020952] Code: Bad RIP value.
[  704.024330] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  704.029691] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  704.036958] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  704.044225] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  704.051497] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  704.058766] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  704.066070] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  704.066075] warn_alloc_show_mem: 1 callbacks suppressed
[  704.066083] Mem-Info:
[  704.073007] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  704.078373] active_anon:45842 inactive_anon:131 isolated_anon:0
[  704.078373]  active_file:10 inactive_file:14 isolated_file:0
[  704.078373]  unevictable:0 dirty:0 writeback:0 unstable:0
[  704.078373]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  704.078373]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  704.078373]  free:13767 free_pcp:218 free_cma:0
[  704.080746] Call Trace:
[  704.090139] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  704.123001]  <IRQ>
[  704.125575] 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
[  704.153084]  dump_stack+0x244/0x39d
[  704.155211] lowmem_reserve[]: 0 2818 6321 6321
[  704.181342]  ? dump_stack_print_info.cold.1+0x20/0x20
[  704.184942] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  704.189526]  warn_alloc.cold.116+0xb7/0x1bd
[  704.194671] lowmem_reserve[]: 0 0 3503 3503
[  704.222018]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  704.226316] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  704.230634]  ? lock_downgrade+0x900/0x900
[  704.235462] lowmem_reserve[]: 0 0 0 0
[  704.264365]  ? trace_hardirqs_off+0xb8/0x310
[  704.268486] 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
[  704.272294]  ? trace_hardirqs_off+0xb8/0x310
[  704.276670] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  704.290201]  __alloc_pages_slowpath+0x26e8/0x2e10
[  704.294581] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  704.309871]  ? warn_alloc+0x120/0x120
[  704.314668] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  704.329511]  ? print_usage_bug+0xc0/0xc0
[  704.333303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  704.342129]  ? warn_alloc+0x120/0x120
[  704.346165] 162 total pagecache pages
[  704.354740]  ? warn_alloc+0x120/0x120
[  704.358519] 0 pages in swap cache
[  704.362315]  ? print_usage_bug+0xc0/0xc0
[  704.366091] Swap cache stats: add 0, delete 0, find 0/0
[  704.369541]  ? kvm_clock_read+0x18/0x30
[  704.373575] Free swap  = 0kB
[  704.378936]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  704.382875] Total swap = 0kB
[  704.382884] 1965979 pages RAM
[  704.385898]  ? print_usage_bug+0xc0/0xc0
[  704.390885] 0 pages HighMem/MovableOnly
[  704.393897]  ? __lock_acquire+0x62f/0x4c20
[  704.396977] 342855 pages reserved
[  704.401030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  704.404975] 0 pages cma reserved
[  704.409202]  ? should_fail+0x22d/0xd01
[  704.412690] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  704.418151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.418170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.418186]  ? __lock_acquire+0x62f/0x4c20
[  704.421628] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  704.425418]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  704.431884] syz-fuzzer cpuset=/ mems_allowed=0
[  704.437154]  ? __lock_acquire+0x62f/0x4c20
[  704.470548]  ? should_fail+0x22d/0xd01
[  704.474437]  ? rcu_irq_exit+0x1a2/0x390
[  704.478424]  ? mark_held_locks+0x130/0x130
[  704.482663]  ? mark_held_locks+0x130/0x130
[  704.486905]  ? mark_held_locks+0xc7/0x130
[  704.491051]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  704.496069]  ? zap_class+0x640/0x640
[  704.499786]  ? print_usage_bug+0xc0/0xc0
[  704.503875]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.509414]  ? check_preemption_disabled+0x48/0x280
[  704.514446]  ? __lock_is_held+0xb5/0x140
[  704.518513]  __alloc_pages_nodemask+0xa80/0xde0
[  704.523181]  ? zap_class+0x640/0x640
[  704.526903]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  704.531931]  ? find_held_lock+0x36/0x1c0
[  704.536003]  ? ____cache_alloc_node+0x1c7/0x1e0
[  704.540673]  ? lock_downgrade+0x900/0x900
[  704.544832]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.550376]  cache_grow_begin+0xa5/0x8c0
[  704.554436]  ? do_raw_spin_unlock+0xa7/0x330
[  704.558854]  fallback_alloc+0x204/0x2e0
[  704.562835]  ____cache_alloc_node+0x1c7/0x1e0
[  704.567338]  kmem_cache_alloc_node+0xe3/0x730
[  704.571831]  ? ipv6_get_ifaddr+0x42e/0x620
[  704.576077]  __alloc_skb+0x119/0x770
[  704.579788]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  704.585069]  ? netdev_alloc_frag+0x1f0/0x1f0
[  704.589479]  ? lock_downgrade+0x900/0x900
[  704.593639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.599179]  ? refcount_sub_and_test_checked+0x203/0x310
[  704.604632]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  704.610081]  ? addrconf_rs_timer+0x690/0x690
[  704.614501]  ndisc_alloc_skb+0x144/0x340
[  704.618566]  ndisc_send_rs+0x331/0x6e0
[  704.622461]  addrconf_rs_timer+0x314/0x690
[  704.626706]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.630956]  call_timer_fn+0x272/0x920
[  704.634846]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.639085]  ? process_timeout+0x40/0x40
[  704.643153]  ? __run_timers+0x7da/0xc70
[  704.647134]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.651630]  ? _raw_spin_unlock_irq+0x27/0x80
[  704.656125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.660370]  ? lockdep_hardirqs_on+0x296/0x5b0
[  704.664956]  ? trace_hardirqs_on+0xbd/0x310
[  704.669286]  ? kasan_check_read+0x11/0x20
[  704.673443]  ? __run_timers+0x7da/0xc70
[  704.677417]  ? trace_hardirqs_off_caller+0x310/0x310
[  704.682530]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.686769]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  704.691005]  __run_timers+0x7e5/0xc70
[  704.694820]  ? timer_fixup_init+0x70/0x70
[  704.698970]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  704.703992]  ? zap_class+0x640/0x640
[  704.707717]  ? enqueue_hrtimer+0x1a5/0x560
[  704.711957]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  704.717157]  ? find_held_lock+0x36/0x1c0
[  704.721227]  ? zap_class+0x640/0x640
[  704.724949]  ? pvclock_read_flags+0x160/0x160
[  704.729458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.734997]  ? check_preemption_disabled+0x48/0x280
[  704.740022]  ? __lock_is_held+0xb5/0x140
[  704.744084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.749623]  ? check_preemption_disabled+0x48/0x280
[  704.754643]  run_timer_softirq+0x52/0xb0
[  704.758707]  ? rcu_read_lock_sched_held+0x14f/0x180
[  704.763729]  __do_softirq+0x308/0xb7e
[  704.767534]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  704.772035]  ? lock_downgrade+0x900/0x900
[  704.776186]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  704.781316]  ? pvclock_read_flags+0x160/0x160
[  704.785814]  ? lapic_next_event+0x5a/0x90
[  704.789968]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.795515]  ? kvm_clock_read+0x18/0x30
[  704.799493]  ? kvm_sched_clock_read+0x9/0x20
[  704.803907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.809444]  ? check_preemption_disabled+0x48/0x280
[  704.814471]  irq_exit+0x17f/0x1c0
[  704.817925]  smp_apic_timer_interrupt+0x1cb/0x760
[  704.822766]  ? smp_call_function_single_interrupt+0x159/0x650
[  704.828654]  ? smp_call_function_single_interrupt+0x650/0x650
[  704.834551]  ? interrupt_entry+0xb5/0xc0
[  704.838620]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.843642]  ? trace_hardirqs_off_caller+0xbb/0x310
[  704.848664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.853651]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.858670]  ? trace_hardirqs_on_caller+0x310/0x310
[  704.863685]  ? task_prio+0x50/0x50
[  704.867232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  704.872772]  ? check_preemption_disabled+0x48/0x280
[  704.877799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  704.882652]  apic_timer_interrupt+0xf/0x20
[  704.886882]  </IRQ>
[  704.889214] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  704.894147] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  704.913048] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  704.920756] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  704.928026] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  704.935303] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  704.942570] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  704.949840] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  704.957158]  skb_clone+0x1bb/0x500
[  704.960702]  ? finish_task_switch+0x2f4/0x910
[  704.965198]  ? skb_split+0x11e0/0x11e0
[  704.969091]  ? preempt_notifier_register+0x200/0x200
[  704.974197]  ? __switch_to_asm+0x34/0x70
[  704.978259]  ? __switch_to_asm+0x34/0x70
[  704.982337]  ? __switch_to_asm+0x40/0x70
[  704.986399]  ? __switch_to_asm+0x34/0x70
[  704.990458]  ? __switch_to_asm+0x40/0x70
[  704.994523]  ? __switch_to_asm+0x34/0x70
[  704.998583]  ? __switch_to_asm+0x40/0x70
[  705.002647]  ? __switch_to_asm+0x34/0x70
[  705.006713]  ? __switch_to_asm+0x34/0x70
[  705.010776]  ? __switch_to_asm+0x40/0x70
[  705.014841]  ? __switch_to_asm+0x34/0x70
[  705.018913]  bpf_clone_redirect+0xb9/0x490
[  705.023154]  ? __schedule+0x8d7/0x21d0
[  705.027050]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  705.032067]  ? __sched_text_start+0x8/0x8
[  705.036224]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.040816]  ? retint_kernel+0x2d/0x2d
[  705.044713]  ? trace_hardirqs_on_caller+0xc0/0x310
[  705.049647]  ? find_held_lock+0x36/0x1c0
[  705.053720]  ? lock_acquire+0x1ed/0x520
[  705.057694]  ? bpf_test_run+0x3cb/0x780
[  705.061673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.067211]  ? check_preemption_disabled+0x48/0x280
[  705.072238]  ? kasan_check_read+0x11/0x20
[  705.076388]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.081670]  ? rcu_softirq_qs+0x20/0x20
[  705.085652]  ? preempt_schedule+0x4d/0x60
[  705.089805]  ? ___preempt_schedule+0x16/0x18
[  705.094227]  ? bpf_test_run+0x25d/0x780
[  705.098213]  ? netlink_diag_dump+0x2a0/0x2a0
[  705.102631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.108167]  ? bpf_test_init.isra.10+0x70/0x100
[  705.112846]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  705.117613]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  705.122456]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  705.127994]  ? fput+0x130/0x1a0
[  705.131274]  ? __bpf_prog_get+0x9b/0x290
[  705.135355]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  705.140199]  ? bpf_prog_test_run+0x130/0x1a0
[  705.144617]  ? __x64_sys_bpf+0x3d8/0x520
[  705.148679]  ? bpf_prog_get+0x20/0x20
[  705.152501]  ? do_syscall_64+0x1b9/0x820
[  705.156564]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  705.161933]  ? syscall_return_slowpath+0x5e0/0x5e0
[  705.166871]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.171897]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  705.176923]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  705.183595]  ? __switch_to_asm+0x40/0x70
[  705.187657]  ? __switch_to_asm+0x34/0x70
[  705.191729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.196581]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  705.201971] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  705.202043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  705.208553] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  705.208558] Call Trace:
[  705.208564]  <IRQ>
[  705.208584]  dump_stack+0x244/0x39d
[  705.208604]  ? dump_stack_print_info.cold.1+0x20/0x20
[  705.215235] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  705.224450]  warn_alloc.cold.116+0xb7/0x1bd
[  705.227000] syz-executor3 cpuset=syz3 mems_allowed=0
[  705.229147]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  705.262640]  ? lock_downgrade+0x900/0x900
[  705.266813]  ? trace_hardirqs_off+0xb8/0x310
[  705.271234]  ? trace_hardirqs_off+0xb8/0x310
[  705.275654]  __alloc_pages_slowpath+0x26e8/0x2e10
[  705.280530]  ? warn_alloc+0x120/0x120
[  705.284343]  ? print_usage_bug+0xc0/0xc0
[  705.288405]  ? warn_alloc+0x120/0x120
[  705.292209]  ? warn_alloc+0x120/0x120
[  705.296014]  ? print_usage_bug+0xc0/0xc0
[  705.300084]  ? print_usage_bug+0xc0/0xc0
[  705.304145]  ? __lock_acquire+0x62f/0x4c20
[  705.308387]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.313929]  ? should_fail+0x22d/0xd01
[  705.317824]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.322933]  ? __lock_acquire+0x62f/0x4c20
[  705.327175]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  705.332275]  ? __lock_acquire+0x62f/0x4c20
[  705.336519]  ? should_fail+0x22d/0xd01
[  705.340418]  ? mark_held_locks+0x130/0x130
[  705.344661]  ? mark_held_locks+0x130/0x130
[  705.348896]  ? zap_class+0x640/0x640
[  705.352609]  ? zap_class+0x640/0x640
[  705.356327]  ? print_usage_bug+0xc0/0xc0
[  705.360388]  ? do_raw_spin_unlock+0xa7/0x330
[  705.364805]  ? zap_class+0x640/0x640
[  705.368518]  ? print_usage_bug+0xc0/0xc0
[  705.372581]  ? wq_watchdog_touch+0x9c/0xfe
[  705.376822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.382360]  ? check_preemption_disabled+0x48/0x280
[  705.387391]  ? __lock_is_held+0xb5/0x140
[  705.391462]  __alloc_pages_nodemask+0xa80/0xde0
[  705.396132]  ? zap_class+0x640/0x640
[  705.399850]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  705.404904]  ? find_held_lock+0x36/0x1c0
[  705.408984]  ? ____cache_alloc_node+0x1c7/0x1e0
[  705.413661]  ? lock_downgrade+0x900/0x900
[  705.417821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.423370]  cache_grow_begin+0xa5/0x8c0
[  705.427431]  ? do_raw_spin_unlock+0xa7/0x330
[  705.431847]  fallback_alloc+0x204/0x2e0
[  705.435833]  ____cache_alloc_node+0x1c7/0x1e0
[  705.440334]  kmem_cache_alloc_node+0xe3/0x730
[  705.444833]  ? ipv6_get_ifaddr+0x42e/0x620
[  705.449079]  __alloc_skb+0x119/0x770
[  705.452797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.458080]  ? netdev_alloc_frag+0x1f0/0x1f0
[  705.462488]  ? lock_downgrade+0x900/0x900
[  705.466644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.472182]  ? refcount_sub_and_test_checked+0x203/0x310
[  705.477634]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  705.483085]  ? addrconf_rs_timer+0x690/0x690
[  705.487508]  ndisc_alloc_skb+0x144/0x340
[  705.491574]  ndisc_send_rs+0x331/0x6e0
[  705.495471]  addrconf_rs_timer+0x314/0x690
[  705.499712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.503960]  call_timer_fn+0x272/0x920
[  705.507845]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.512078]  ? process_timeout+0x40/0x40
[  705.516151]  ? mark_held_locks+0xc7/0x130
[  705.520309]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.524813]  ? _raw_spin_unlock_irq+0x27/0x80
[  705.529310]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.533544]  ? lockdep_hardirqs_on+0x296/0x5b0
[  705.538126]  ? trace_hardirqs_on+0xbd/0x310
[  705.542449]  ? kasan_check_read+0x11/0x20
[  705.546593]  ? __run_timers+0x7da/0xc70
[  705.550571]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.555723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  705.559958]  __run_timers+0x7e5/0xc70
[  705.563774]  ? timer_fixup_init+0x70/0x70
[  705.567931]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  705.572946]  ? zap_class+0x640/0x640
[  705.576666]  ? print_usage_bug+0xc0/0xc0
[  705.580735]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  705.585931]  ? find_held_lock+0x36/0x1c0
[  705.590003]  ? zap_class+0x640/0x640
[  705.593734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.599272]  ? check_preemption_disabled+0x48/0x280
[  705.604318]  ? __lock_is_held+0xb5/0x140
[  705.608385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.613931]  ? check_preemption_disabled+0x48/0x280
[  705.618958]  run_timer_softirq+0x52/0xb0
[  705.623021]  ? rcu_read_lock_sched_held+0x14f/0x180
[  705.628043]  __do_softirq+0x308/0xb7e
[  705.631849]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  705.636344]  ? lock_downgrade+0x900/0x900
[  705.640500]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  705.645615]  ? pvclock_read_flags+0x160/0x160
[  705.650116]  ? lapic_next_event+0x5a/0x90
[  705.654268]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.659838]  ? kvm_clock_read+0x18/0x30
[  705.663820]  ? kvm_sched_clock_read+0x9/0x20
[  705.668233]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  705.673775]  ? check_preemption_disabled+0x48/0x280
[  705.678816]  irq_exit+0x17f/0x1c0
[  705.682284]  smp_apic_timer_interrupt+0x1cb/0x760
[  705.687127]  ? smp_reschedule_interrupt+0x109/0x650
[  705.692145]  ? smp_call_function_single_interrupt+0x650/0x650
[  705.698032]  ? interrupt_entry+0xb5/0xc0
[  705.702096]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.707110]  ? trace_hardirqs_off_caller+0xbb/0x310
[  705.712134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.716983]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.722237]  ? trace_hardirqs_on_caller+0x310/0x310
[  705.727258]  ? task_prio+0x50/0x50
[  705.730815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.736355]  ? check_preemption_disabled+0x48/0x280
[  705.741380]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  705.746235]  apic_timer_interrupt+0xf/0x20
[  705.750463]  </IRQ>
[  705.752703] RIP: 0010:dump_stack+0x358/0x39d
[  705.757115] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  705.776018] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  705.783726] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  705.790994] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  705.798264] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  705.805542] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  705.812811] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  705.820106]  ? dump_stack+0x34f/0x39d
[  705.823921]  ? dump_stack_print_info.cold.1+0x20/0x20
[  705.829118]  ? mark_held_locks+0x130/0x130
[  705.833359]  ? mark_held_locks+0x130/0x130
[  705.837600]  dump_header+0x27b/0xf72
[  705.841330]  ? pagefault_out_of_memory+0x197/0x197
[  705.846271]  ? __lock_acquire+0x62f/0x4c20
[  705.850522]  ? percpu_ref_get_many+0x240/0x240
[  705.855116]  ? print_usage_bug+0xc0/0xc0
[  705.859183]  ? zap_class+0x640/0x640
[  705.862901]  ? print_usage_bug+0xc0/0xc0
[  705.866962]  ? print_usage_bug+0xc0/0xc0
[  705.871027]  ? zap_class+0x640/0x640
[  705.874751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  705.880303]  ? find_held_lock+0x36/0x1c0
[  705.884379]  ? mark_held_locks+0xc7/0x130
[  705.888532]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.893640]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  705.898743]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  705.903326]  ? trace_hardirqs_on+0xbd/0x310
[  705.907652]  ? kasan_check_read+0x11/0x20
[  705.911802]  ? ___ratelimit+0x3b4/0x672
[  705.915778]  ? trace_hardirqs_off_caller+0x310/0x310
[  705.920887]  ? trace_hardirqs_on+0x310/0x310
[  705.925309]  ? lock_downgrade+0x900/0x900
[  705.929469]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  705.934576]  ? ___ratelimit+0x3b9/0x672
[  705.938560]  ? idr_get_free+0xf70/0xf70
[  705.942540]  ? find_held_lock+0x36/0x1c0
[  705.946614]  oom_kill_process.cold.27+0x10/0x903
[  705.951371]  ? zap_class+0x640/0x640
[  705.955089]  ? check_preemption_disabled+0x48/0x280
[  705.960111]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  705.965045]  ? kasan_check_read+0x11/0x20
[  705.969196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  705.974476]  ? oom_evaluate_task+0x540/0x540
[  705.978893]  ? find_held_lock+0x36/0x1c0
[  705.982962]  ? out_of_memory+0x974/0x1430
[  705.987112]  ? lock_downgrade+0x900/0x900
[  705.991260]  ? check_preemption_disabled+0x48/0x280
[  705.996295]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.001232]  ? kasan_check_read+0x11/0x20
[  706.005393]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.010669]  ? rcu_softirq_qs+0x20/0x20
[  706.014651]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.020188]  ? oom_evaluate_task+0x302/0x540
[  706.024606]  out_of_memory+0xa84/0x1430
[  706.028590]  ? oom_killer_disable+0x3a0/0x3a0
[  706.033101]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  706.038037]  ? __ww_mutex_check_waiters+0x160/0x160
[  706.043082]  __alloc_pages_slowpath+0x2354/0x2e10
[  706.047959]  ? warn_alloc+0x120/0x120
[  706.051760]  ? mark_held_locks+0x130/0x130
[  706.056004]  ? find_get_entry+0xaae/0x1120
[  706.060250]  ? filemap_map_pages+0x1a20/0x1a20
[  706.064849]  ? zap_class+0x640/0x640
[  706.068575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  706.074117]  ? check_preemption_disabled+0x48/0x280
[  706.079140]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.084678]  ? should_fail+0x22d/0xd01
[  706.088575]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.093680]  ? zap_class+0x640/0x640
[  706.097423]  ? __lock_is_held+0xb5/0x140
[  706.101497]  ? mark_held_locks+0x130/0x130
[  706.105739]  ? lock_release+0xa00/0xa00
[  706.109719]  ? perf_trace_sched_process_exec+0x860/0x860
[  706.115175]  ? xa_load+0x2ba/0x460
[  706.118720]  ? lock_downgrade+0x900/0x900
[  706.122877]  ? __might_sleep+0x95/0x190
[  706.126859]  __alloc_pages_nodemask+0xa80/0xde0
[  706.131539]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  706.136560]  ? __page_cache_alloc+0x191/0x5c0
[  706.141058]  ? xa_load+0x2e1/0x460
[  706.144599]  ? xa_clear_mark+0x40/0x40
[  706.148487]  ? zap_class+0x640/0x640
[  706.152209]  ? zap_class+0x640/0x640
[  706.155920]  ? zap_class+0x640/0x640
[  706.159635]  ? __do_page_cache_readahead+0x663/0x810
[  706.164743]  ? find_held_lock+0x36/0x1c0
[  706.168819]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  706.174367]  alloc_pages_current+0x173/0x350
[  706.178793]  __page_cache_alloc+0x38c/0x5c0
[  706.183113]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.188043]  ? kasan_check_read+0x11/0x20
[  706.192194]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.197474]  ? generic_perform_write+0x6a0/0x6a0
[  706.202235]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.207779]  ? check_preemption_disabled+0x48/0x280
[  706.212813]  filemap_fault+0x1595/0x25f0
[  706.216888]  ? __lock_page_or_retry+0xa00/0xa00
[  706.221563]  ? mark_held_locks+0x130/0x130
[  706.225818]  ? filemap_map_pages+0xd6b/0x1a20
[  706.230322]  ? lock_downgrade+0x900/0x900
[  706.234471]  ? check_preemption_disabled+0x48/0x280
[  706.239491]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.244422]  ? kasan_check_read+0x11/0x20
[  706.248571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.253856]  ? rcu_softirq_qs+0x20/0x20
[  706.257846]  ? filemap_map_pages+0xd92/0x1a20
[  706.262349]  ? print_usage_bug+0xc0/0xc0
[  706.266419]  ? find_get_entries_tag+0x1400/0x1400
[  706.271261]  ? __kasan_slab_free+0x102/0x150
[  706.275680]  ? kasan_slab_free+0xe/0x10
[  706.279656]  ? kmem_cache_free+0x83/0x290
[  706.283807]  ? __sigqueue_free.part.29+0x74/0x90
[  706.288580]  ? lock_acquire+0x1ed/0x520
[  706.292558]  ? ext4_filemap_fault+0x7a/0xad
[  706.296887]  ? lock_release+0xa00/0xa00
[  706.300858]  ? perf_trace_sched_process_exec+0x860/0x860
[  706.306320]  ? print_usage_bug+0xc0/0xc0
[  706.310385]  ? print_usage_bug+0xc0/0xc0
[  706.314458]  ? down_read+0x8d/0x120
[  706.318083]  ? ext4_filemap_fault+0x7a/0xad
[  706.322410]  ? __down_interruptible+0x700/0x700
[  706.327092]  ext4_filemap_fault+0x82/0xad
[  706.331242]  __do_fault+0x100/0x6b0
[  706.334873]  ? pmd_devmap_trans_unstable+0x220/0x220
[  706.339985]  ? mark_held_locks+0x130/0x130
[  706.344238]  ? mark_held_locks+0x130/0x130
[  706.348484]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  706.354031]  ? rcu_pm_notify+0xc0/0xc0
[  706.357928]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.363475]  __handle_mm_fault+0x3ea6/0x5be0
[  706.367892]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  706.372734]  ? _raw_spin_unlock_irq+0x27/0x80
[  706.377229]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  706.381820]  ? trace_hardirqs_on+0xbd/0x310
[  706.386146]  ? kasan_check_read+0x11/0x20
[  706.390301]  ? __set_current_blocked+0xdf/0x120
[  706.394973]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.400094]  ? zap_class+0x640/0x640
[  706.403809]  ? zap_class+0x640/0x640
[  706.407532]  ? find_held_lock+0x36/0x1c0
[  706.411609]  ? handle_mm_fault+0x42a/0xc70
[  706.415849]  ? lock_downgrade+0x900/0x900
[  706.420000]  ? check_preemption_disabled+0x48/0x280
[  706.425024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  706.429954]  ? kasan_check_read+0x11/0x20
[  706.434106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  706.439385]  ? rcu_softirq_qs+0x20/0x20
[  706.443360]  ? trace_hardirqs_off_caller+0x310/0x310
[  706.448466]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.454010]  ? check_preemption_disabled+0x48/0x280
[  706.459036]  handle_mm_fault+0x54f/0xc70
[  706.463112]  ? __handle_mm_fault+0x5be0/0x5be0
[  706.467702]  ? find_vma+0x34/0x190
[  706.471250]  __do_page_fault+0x5e8/0xe60
[  706.475328]  ? exit_to_usermode_loop+0x1f4/0x380
[  706.480095]  do_page_fault+0xf2/0x7e0
[  706.483901]  ? vmalloc_sync_all+0x30/0x30
[  706.488048]  ? error_entry+0x70/0xd0
[  706.491770]  ? trace_hardirqs_off_caller+0xbb/0x310
[  706.496795]  ? trace_hardirqs_on_caller+0xc0/0x310
[  706.501724]  ? syscall_return_slowpath+0x5e0/0x5e0
[  706.506651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.511498]  ? trace_hardirqs_on_caller+0x310/0x310
[  706.516516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  706.521976]  ? prepare_exit_to_usermode+0x291/0x3b0
[  706.526996]  ? page_fault+0x8/0x30
[  706.530540]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  706.535387]  ? page_fault+0x8/0x30
[  706.538928]  page_fault+0x1e/0x30
[  706.542378] RIP: 0033:0x45db60
[  706.545585] Code: Bad RIP value.
[  706.548950] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  706.554312] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  706.561580] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  706.568846] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  706.576114] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  706.583382] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  706.590677] warn_alloc_show_mem: 1 callbacks suppressed
[  706.590690] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  706.590692] Mem-Info:
[  706.590724] active_anon:45842 inactive_anon:131 isolated_anon:0
[  706.590724]  active_file:10 inactive_file:14 isolated_file:0
[  706.590724]  unevictable:0 dirty:0 writeback:0 unstable:0
[  706.590724]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  706.590724]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  706.590724]  free:13767 free_pcp:218 free_cma:0
[  706.596054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  706.596063] Call Trace:
[  706.603012] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  706.605411]  <IRQ>
[  706.638304] 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
[  706.647661]  dump_stack+0x244/0x39d
[  706.650218] lowmem_reserve[]: 0 2818 6321 6321
[  706.677722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  706.679849] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  706.705971]  warn_alloc.cold.116+0xb7/0x1bd
[  706.709565] lowmem_reserve[]: 0 0 3503 3503
[  706.714139]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  706.719306] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  706.747137]  ? lock_downgrade+0x900/0x900
[  706.751430] lowmem_reserve[]: 0 0 0 0
[  706.755749]  ? trace_hardirqs_off+0xb8/0x310
[  706.760560] 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
[  706.789451]  ? trace_hardirqs_off+0xb8/0x310
[  706.793575] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  706.797380]  __alloc_pages_slowpath+0x26e8/0x2e10
[  706.801760] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  706.815319]  ? warn_alloc+0x120/0x120
[  706.819676] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  706.834924]  ? warn_alloc+0x120/0x120
[  706.839743] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  706.854721]  ? warn_alloc+0x120/0x120
[  706.858496] 162 total pagecache pages
[  706.867327]  ? print_usage_bug+0xc0/0xc0
[  706.871113] 0 pages in swap cache
[  706.879684]  ? warn_alloc+0x120/0x120
[  706.883459] Swap cache stats: add 0, delete 0, find 0/0
[  706.887251]  ? print_usage_bug+0xc0/0xc0
[  706.891301] Free swap  = 0kB
[  706.894759]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  706.898528] Total swap = 0kB
[  706.903884]  ? should_fail+0x22d/0xd01
[  706.907916] 1965979 pages RAM
[  706.910935]  ? __lock_acquire+0x62f/0x4c20
[  706.916438] 0 pages HighMem/MovableOnly
[  706.916447] 342855 pages reserved
[  706.919459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.923324] 0 pages cma reserved
[  706.926425]  ? __lock_acquire+0x62f/0x4c20
[  706.930701] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  706.934597]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  706.938132] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  706.943129]  ? __lock_acquire+0x62f/0x4c20
[  706.946476] syz-fuzzer cpuset=/ mems_allowed=0
[  706.950700]  ? should_fail+0x22d/0xd01
[  706.950726]  ? mark_held_locks+0x130/0x130
[  706.989390]  ? mark_held_locks+0x130/0x130
[  706.993632]  ? mark_held_locks+0x130/0x130
[  706.997870]  ? zap_class+0x640/0x640
[  707.001584]  ? print_usage_bug+0xc0/0xc0
[  707.005643]  ? mark_held_locks+0x130/0x130
[  707.009875]  ? print_usage_bug+0xc0/0xc0
[  707.013942]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.019485]  ? check_preemption_disabled+0x48/0x280
[  707.024515]  ? __lock_is_held+0xb5/0x140
[  707.028584]  __alloc_pages_nodemask+0xa80/0xde0
[  707.033256]  ? zap_class+0x640/0x640
[  707.036986]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  707.042044]  ? find_held_lock+0x36/0x1c0
[  707.046120]  ? ____cache_alloc_node+0x1c7/0x1e0
[  707.050797]  ? lock_downgrade+0x900/0x900
[  707.054957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.060499]  cache_grow_begin+0xa5/0x8c0
[  707.064559]  ? do_raw_spin_unlock+0xa7/0x330
[  707.068990]  fallback_alloc+0x204/0x2e0
[  707.072974]  ____cache_alloc_node+0x1c7/0x1e0
[  707.077476]  kmem_cache_alloc_node+0xe3/0x730
[  707.081973]  ? ipv6_get_ifaddr+0x42e/0x620
[  707.086219]  __alloc_skb+0x119/0x770
[  707.089933]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.095215]  ? netdev_alloc_frag+0x1f0/0x1f0
[  707.099627]  ? lock_downgrade+0x900/0x900
[  707.103787]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.109329]  ? refcount_sub_and_test_checked+0x203/0x310
[  707.114782]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  707.120236]  ? addrconf_rs_timer+0x690/0x690
[  707.124661]  ndisc_alloc_skb+0x144/0x340
[  707.128730]  ndisc_send_rs+0x331/0x6e0
[  707.132623]  addrconf_rs_timer+0x314/0x690
[  707.136866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.141116]  call_timer_fn+0x272/0x920
[  707.145006]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.149244]  ? process_timeout+0x40/0x40
[  707.153323]  ? __run_timers+0x7da/0xc70
[  707.157316]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.161813]  ? _raw_spin_unlock_irq+0x27/0x80
[  707.166319]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.170557]  ? lockdep_hardirqs_on+0x296/0x5b0
[  707.175144]  ? trace_hardirqs_on+0xbd/0x310
[  707.179465]  ? kasan_check_read+0x11/0x20
[  707.183612]  ? __run_timers+0x7da/0xc70
[  707.187589]  ? trace_hardirqs_off_caller+0x310/0x310
[  707.192737]  ? tcp_compressed_ack_kick+0x220/0x220
[  707.197677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  707.201916]  __run_timers+0x7e5/0xc70
[  707.205740]  ? timer_fixup_init+0x70/0x70
[  707.209893]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  707.214912]  ? zap_class+0x640/0x640
[  707.218630]  ? enqueue_hrtimer+0x1a5/0x560
[  707.222868]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  707.228068]  ? find_held_lock+0x36/0x1c0
[  707.232141]  ? zap_class+0x640/0x640
[  707.235864]  ? pvclock_read_flags+0x160/0x160
[  707.240362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.245901]  ? check_preemption_disabled+0x48/0x280
[  707.250933]  ? __lock_is_held+0xb5/0x140
[  707.254996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.260540]  ? check_preemption_disabled+0x48/0x280
[  707.265562]  run_timer_softirq+0x52/0xb0
[  707.269626]  ? rcu_read_lock_sched_held+0x14f/0x180
[  707.274644]  __do_softirq+0x308/0xb7e
[  707.278451]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  707.282950]  ? lock_downgrade+0x900/0x900
[  707.287102]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  707.292219]  ? pvclock_read_flags+0x160/0x160
[  707.296722]  ? lapic_next_event+0x5a/0x90
[  707.300877]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.306421]  ? kvm_clock_read+0x18/0x30
[  707.310394]  ? kvm_sched_clock_read+0x9/0x20
[  707.314810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.320355]  ? check_preemption_disabled+0x48/0x280
[  707.325382]  irq_exit+0x17f/0x1c0
[  707.328841]  smp_apic_timer_interrupt+0x1cb/0x760
[  707.333682]  ? smp_call_function_single_interrupt+0x159/0x650
[  707.339570]  ? smp_call_function_single_interrupt+0x650/0x650
[  707.345458]  ? interrupt_entry+0xb5/0xc0
[  707.349522]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.354538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  707.359557]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.364401]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.369420]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.374437]  ? task_prio+0x50/0x50
[  707.377981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.383525]  ? check_preemption_disabled+0x48/0x280
[  707.388552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.393406]  apic_timer_interrupt+0xf/0x20
[  707.397638]  </IRQ>
[  707.399878] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  707.404806] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  707.423717] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  707.431428] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  707.438698] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  707.445967] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  707.453238] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  707.460506] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  707.467823]  skb_clone+0x1bb/0x500
[  707.471369]  ? finish_task_switch+0x2f4/0x910
[  707.475868]  ? skb_split+0x11e0/0x11e0
[  707.479767]  ? preempt_notifier_register+0x200/0x200
[  707.484872]  ? __switch_to_asm+0x34/0x70
[  707.488935]  ? __switch_to_asm+0x34/0x70
[  707.492995]  ? __switch_to_asm+0x40/0x70
[  707.497056]  ? __switch_to_asm+0x34/0x70
[  707.501115]  ? __switch_to_asm+0x40/0x70
[  707.505176]  ? __switch_to_asm+0x34/0x70
[  707.509234]  ? __switch_to_asm+0x40/0x70
[  707.513308]  ? __switch_to_asm+0x34/0x70
[  707.517377]  ? __switch_to_asm+0x34/0x70
[  707.521436]  ? __switch_to_asm+0x40/0x70
[  707.525500]  ? __switch_to_asm+0x34/0x70
[  707.529570]  bpf_clone_redirect+0xb9/0x490
[  707.533811]  ? __schedule+0x8d7/0x21d0
[  707.537711]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  707.542729]  ? __sched_text_start+0x8/0x8
[  707.546882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  707.551466]  ? retint_kernel+0x2d/0x2d
[  707.555377]  ? trace_hardirqs_on_caller+0xc0/0x310
[  707.560326]  ? find_held_lock+0x36/0x1c0
[  707.564399]  ? lock_acquire+0x1ed/0x520
[  707.568375]  ? bpf_test_run+0x3cb/0x780
[  707.572351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.577890]  ? check_preemption_disabled+0x48/0x280
[  707.582915]  ? kasan_check_read+0x11/0x20
[  707.587064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.592339]  ? rcu_softirq_qs+0x20/0x20
[  707.596319]  ? preempt_schedule+0x4d/0x60
[  707.600489]  ? ___preempt_schedule+0x16/0x18
[  707.604908]  ? bpf_test_run+0x25d/0x780
[  707.608898]  ? netlink_diag_dump+0x2a0/0x2a0
[  707.613326]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.618867]  ? bpf_test_init.isra.10+0x70/0x100
[  707.623542]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  707.628322]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  707.633165]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  707.638703]  ? fput+0x130/0x1a0
[  707.641983]  ? __bpf_prog_get+0x9b/0x290
[  707.646048]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  707.650896]  ? bpf_prog_test_run+0x130/0x1a0
[  707.655323]  ? __x64_sys_bpf+0x3d8/0x520
[  707.659388]  ? bpf_prog_get+0x20/0x20
[  707.663210]  ? do_syscall_64+0x1b9/0x820
[  707.667313]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  707.672681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  707.677616]  ? trace_hardirqs_on_caller+0x310/0x310
[  707.682639]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  707.687657]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  707.694333]  ? __switch_to_asm+0x40/0x70
[  707.698396]  ? __switch_to_asm+0x34/0x70
[  707.702464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  707.707333]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  707.712719] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  707.712797] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  707.719306] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  707.719311] Call Trace:
[  707.719318]  <IRQ>
[  707.719338]  dump_stack+0x244/0x39d
[  707.719357]  ? dump_stack_print_info.cold.1+0x20/0x20
[  707.726395] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  707.735669]  warn_alloc.cold.116+0xb7/0x1bd
[  707.738219] syz-executor3 cpuset=syz3 mems_allowed=0
[  707.740368]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  707.773856]  ? lock_downgrade+0x900/0x900
[  707.778016]  ? trace_hardirqs_off+0xb8/0x310
[  707.782436]  ? trace_hardirqs_off+0xb8/0x310
[  707.786858]  __alloc_pages_slowpath+0x26e8/0x2e10
[  707.791738]  ? warn_alloc+0x120/0x120
[  707.795543]  ? print_usage_bug+0xc0/0xc0
[  707.799612]  ? warn_alloc+0x120/0x120
[  707.803421]  ? warn_alloc+0x120/0x120
[  707.807222]  ? print_usage_bug+0xc0/0xc0
[  707.811294]  ? kvm_clock_read+0x18/0x30
[  707.815273]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  707.820326]  ? print_usage_bug+0xc0/0xc0
[  707.824393]  ? __lock_acquire+0x62f/0x4c20
[  707.828637]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  707.834178]  ? should_fail+0x22d/0xd01
[  707.838071]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.843176]  ? __lock_acquire+0x62f/0x4c20
[  707.847417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  707.852811]  ? __lock_acquire+0x62f/0x4c20
[  707.857047]  ? should_fail+0x22d/0xd01
[  707.860951]  ? mark_held_locks+0x130/0x130
[  707.865196]  ? mark_held_locks+0x130/0x130
[  707.869447]  ? zap_class+0x640/0x640
[  707.873195]  ? print_usage_bug+0xc0/0xc0
[  707.877260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.882813]  ? check_preemption_disabled+0x48/0x280
[  707.887843]  ? __lock_is_held+0xb5/0x140
[  707.891912]  __alloc_pages_nodemask+0xa80/0xde0
[  707.896581]  ? zap_class+0x640/0x640
[  707.900307]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  707.905338]  ? find_held_lock+0x36/0x1c0
[  707.909417]  ? ____cache_alloc_node+0x1c7/0x1e0
[  707.914089]  ? lock_downgrade+0x900/0x900
[  707.918246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.923803]  cache_grow_begin+0xa5/0x8c0
[  707.927864]  ? do_raw_spin_unlock+0xa7/0x330
[  707.932291]  fallback_alloc+0x204/0x2e0
[  707.936288]  ____cache_alloc_node+0x1c7/0x1e0
[  707.940797]  kmem_cache_alloc_node+0xe3/0x730
[  707.945303]  ? ipv6_get_ifaddr+0x42e/0x620
[  707.949552]  __alloc_skb+0x119/0x770
[  707.953264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  707.958555]  ? netdev_alloc_frag+0x1f0/0x1f0
[  707.962966]  ? lock_downgrade+0x900/0x900
[  707.967127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  707.972682]  ? refcount_sub_and_test_checked+0x203/0x310
[  707.978138]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  707.983588]  ? addrconf_rs_timer+0x690/0x690
[  707.988009]  ndisc_alloc_skb+0x144/0x340
[  707.992076]  ndisc_send_rs+0x331/0x6e0
[  707.995967]  addrconf_rs_timer+0x314/0x690
[  708.000211]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.004461]  call_timer_fn+0x272/0x920
[  708.008346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.012581]  ? process_timeout+0x40/0x40
[  708.016653]  ? mark_held_locks+0xc7/0x130
[  708.020812]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.025319]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.029816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.034051]  ? lockdep_hardirqs_on+0x296/0x5b0
[  708.038634]  ? trace_hardirqs_on+0xbd/0x310
[  708.042959]  ? kasan_check_read+0x11/0x20
[  708.047104]  ? __run_timers+0x7da/0xc70
[  708.051084]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.056202]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  708.060434]  __run_timers+0x7e5/0xc70
[  708.064246]  ? timer_fixup_init+0x70/0x70
[  708.068410]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  708.073427]  ? zap_class+0x640/0x640
[  708.077151]  ? print_usage_bug+0xc0/0xc0
[  708.081215]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  708.086416]  ? find_held_lock+0x36/0x1c0
[  708.090485]  ? zap_class+0x640/0x640
[  708.094208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.099745]  ? check_preemption_disabled+0x48/0x280
[  708.104770]  ? __lock_is_held+0xb5/0x140
[  708.108841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.114382]  ? check_preemption_disabled+0x48/0x280
[  708.119404]  run_timer_softirq+0x52/0xb0
[  708.123466]  ? rcu_read_lock_sched_held+0x14f/0x180
[  708.128487]  __do_softirq+0x308/0xb7e
[  708.132301]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  708.136802]  ? lock_downgrade+0x900/0x900
[  708.140953]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  708.146068]  ? pvclock_read_flags+0x160/0x160
[  708.150565]  ? lapic_next_event+0x5a/0x90
[  708.154716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.160264]  ? kvm_clock_read+0x18/0x30
[  708.164248]  ? kvm_sched_clock_read+0x9/0x20
[  708.168671]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.174210]  ? check_preemption_disabled+0x48/0x280
[  708.179241]  irq_exit+0x17f/0x1c0
[  708.182695]  smp_apic_timer_interrupt+0x1cb/0x760
[  708.187535]  ? smp_reschedule_interrupt+0x109/0x650
[  708.192555]  ? smp_call_function_single_interrupt+0x650/0x650
[  708.198447]  ? interrupt_entry+0xb5/0xc0
[  708.202513]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.207529]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.212547]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.217395]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.222412]  ? trace_hardirqs_on_caller+0x310/0x310
[  708.227433]  ? task_prio+0x50/0x50
[  708.230975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.236513]  ? check_preemption_disabled+0x48/0x280
[  708.241537]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  708.246392]  apic_timer_interrupt+0xf/0x20
[  708.250618]  </IRQ>
[  708.252857] RIP: 0010:dump_stack+0x358/0x39d
[  708.257264] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  708.276169] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  708.283875] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  708.291140] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  708.298412] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  708.305679] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  708.312948] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  708.320238]  ? dump_stack+0x34f/0x39d
[  708.324054]  ? dump_stack_print_info.cold.1+0x20/0x20
[  708.329254]  ? mark_held_locks+0x130/0x130
[  708.333497]  ? mark_held_locks+0x130/0x130
[  708.337739]  dump_header+0x27b/0xf72
[  708.341468]  ? pagefault_out_of_memory+0x197/0x197
[  708.346407]  ? __lock_acquire+0x62f/0x4c20
[  708.350642]  ? percpu_ref_get_many+0x240/0x240
[  708.355229]  ? print_usage_bug+0xc0/0xc0
[  708.359308]  ? zap_class+0x640/0x640
[  708.363031]  ? print_usage_bug+0xc0/0xc0
[  708.367090]  ? print_usage_bug+0xc0/0xc0
[  708.371153]  ? zap_class+0x640/0x640
[  708.374872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.380419]  ? find_held_lock+0x36/0x1c0
[  708.384494]  ? mark_held_locks+0xc7/0x130
[  708.388655]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.393758]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  708.398865]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  708.403454]  ? trace_hardirqs_on+0xbd/0x310
[  708.407777]  ? kasan_check_read+0x11/0x20
[  708.411930]  ? ___ratelimit+0x3b4/0x672
[  708.415908]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.421013]  ? trace_hardirqs_on+0x310/0x310
[  708.425427]  ? lock_downgrade+0x900/0x900
[  708.429589]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  708.434696]  ? ___ratelimit+0x3b9/0x672
[  708.438674]  ? idr_get_free+0xf70/0xf70
[  708.442651]  ? find_held_lock+0x36/0x1c0
[  708.446723]  oom_kill_process.cold.27+0x10/0x903
[  708.451480]  ? zap_class+0x640/0x640
[  708.455195]  ? check_preemption_disabled+0x48/0x280
[  708.460220]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.465148]  ? kasan_check_read+0x11/0x20
[  708.469303]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.474587]  ? oom_evaluate_task+0x540/0x540
[  708.478999]  ? find_held_lock+0x36/0x1c0
[  708.483073]  ? out_of_memory+0x974/0x1430
[  708.487222]  ? lock_downgrade+0x900/0x900
[  708.491369]  ? check_preemption_disabled+0x48/0x280
[  708.496387]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.501318]  ? kasan_check_read+0x11/0x20
[  708.505466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.510742]  ? rcu_softirq_qs+0x20/0x20
[  708.514900]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.520439]  ? oom_evaluate_task+0x302/0x540
[  708.524853]  out_of_memory+0xa84/0x1430
[  708.528841]  ? oom_killer_disable+0x3a0/0x3a0
[  708.533347]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  708.538309]  ? __ww_mutex_check_waiters+0x160/0x160
[  708.543355]  __alloc_pages_slowpath+0x2354/0x2e10
[  708.548232]  ? warn_alloc+0x120/0x120
[  708.552032]  ? mark_held_locks+0x130/0x130
[  708.556286]  ? find_get_entry+0xaae/0x1120
[  708.560535]  ? filemap_map_pages+0x1a20/0x1a20
[  708.565123]  ? zap_class+0x640/0x640
[  708.568848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  708.574387]  ? check_preemption_disabled+0x48/0x280
[  708.579402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.584939]  ? should_fail+0x22d/0xd01
[  708.588832]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  708.593938]  ? zap_class+0x640/0x640
[  708.597678]  ? __lock_is_held+0xb5/0x140
[  708.601751]  ? mark_held_locks+0x130/0x130
[  708.605990]  ? lock_release+0xa00/0xa00
[  708.609970]  ? perf_trace_sched_process_exec+0x860/0x860
[  708.615423]  ? xa_load+0x2ba/0x460
[  708.618965]  ? lock_downgrade+0x900/0x900
[  708.623120]  ? __might_sleep+0x95/0x190
[  708.627120]  __alloc_pages_nodemask+0xa80/0xde0
[  708.631806]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  708.636829]  ? __page_cache_alloc+0x191/0x5c0
[  708.641327]  ? xa_load+0x2e1/0x460
[  708.644871]  ? xa_clear_mark+0x40/0x40
[  708.648788]  ? zap_class+0x640/0x640
[  708.652516]  ? zap_class+0x640/0x640
[  708.656232]  ? zap_class+0x640/0x640
[  708.659948]  ? __do_page_cache_readahead+0x663/0x810
[  708.665063]  ? find_held_lock+0x36/0x1c0
[  708.669131]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  708.674682]  alloc_pages_current+0x173/0x350
[  708.679101]  __page_cache_alloc+0x38c/0x5c0
[  708.683421]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.688359]  ? kasan_check_read+0x11/0x20
[  708.692508]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.697801]  ? generic_perform_write+0x6a0/0x6a0
[  708.702563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.708105]  ? check_preemption_disabled+0x48/0x280
[  708.713132]  filemap_fault+0x1595/0x25f0
[  708.717212]  ? __lock_page_or_retry+0xa00/0xa00
[  708.721888]  ? mark_held_locks+0x130/0x130
[  708.726140]  ? filemap_map_pages+0xd6b/0x1a20
[  708.730641]  ? lock_downgrade+0x900/0x900
[  708.734797]  ? check_preemption_disabled+0x48/0x280
[  708.739824]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.744754]  ? kasan_check_read+0x11/0x20
[  708.748903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.754183]  ? rcu_softirq_qs+0x20/0x20
[  708.758173]  ? filemap_map_pages+0xd92/0x1a20
[  708.762676]  ? print_usage_bug+0xc0/0xc0
[  708.766747]  ? find_get_entries_tag+0x1400/0x1400
[  708.771592]  ? __kasan_slab_free+0x102/0x150
[  708.776003]  ? kasan_slab_free+0xe/0x10
[  708.779977]  ? kmem_cache_free+0x83/0x290
[  708.784127]  ? __sigqueue_free.part.29+0x74/0x90
[  708.788910]  ? lock_acquire+0x1ed/0x520
[  708.792888]  ? ext4_filemap_fault+0x7a/0xad
[  708.797222]  ? lock_release+0xa00/0xa00
[  708.801199]  ? perf_trace_sched_process_exec+0x860/0x860
[  708.806654]  ? print_usage_bug+0xc0/0xc0
[  708.810717]  ? print_usage_bug+0xc0/0xc0
[  708.814799]  ? down_read+0x8d/0x120
[  708.818425]  ? ext4_filemap_fault+0x7a/0xad
[  708.822757]  ? __down_interruptible+0x700/0x700
[  708.827442]  ext4_filemap_fault+0x82/0xad
[  708.831597]  __do_fault+0x100/0x6b0
[  708.835229]  ? pmd_devmap_trans_unstable+0x220/0x220
[  708.840337]  ? mark_held_locks+0x130/0x130
[  708.844573]  ? mark_held_locks+0x130/0x130
[  708.848815]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  708.854868]  ? rcu_pm_notify+0xc0/0xc0
[  708.858763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.864316]  __handle_mm_fault+0x3ea6/0x5be0
[  708.868744]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  708.873590]  ? _raw_spin_unlock_irq+0x27/0x80
[  708.878087]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  708.882670]  ? trace_hardirqs_on+0xbd/0x310
[  708.886991]  ? kasan_check_read+0x11/0x20
[  708.891139]  ? __set_current_blocked+0xdf/0x120
[  708.895813]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.900931]  ? zap_class+0x640/0x640
[  708.904647]  ? zap_class+0x640/0x640
[  708.908373]  ? find_held_lock+0x36/0x1c0
[  708.912460]  ? handle_mm_fault+0x42a/0xc70
[  708.916703]  ? lock_downgrade+0x900/0x900
[  708.920855]  ? check_preemption_disabled+0x48/0x280
[  708.925877]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  708.930810]  ? kasan_check_read+0x11/0x20
[  708.934962]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  708.940237]  ? rcu_softirq_qs+0x20/0x20
[  708.944210]  ? trace_hardirqs_off_caller+0x310/0x310
[  708.949317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  708.954856]  ? check_preemption_disabled+0x48/0x280
[  708.959884]  handle_mm_fault+0x54f/0xc70
[  708.963950]  ? __handle_mm_fault+0x5be0/0x5be0
[  708.968538]  ? find_vma+0x34/0x190
[  708.972085]  __do_page_fault+0x5e8/0xe60
[  708.976148]  ? exit_to_usermode_loop+0x1f4/0x380
[  708.980918]  do_page_fault+0xf2/0x7e0
[  708.984721]  ? vmalloc_sync_all+0x30/0x30
[  708.988870]  ? error_entry+0x70/0xd0
[  708.992589]  ? trace_hardirqs_off_caller+0xbb/0x310
[  708.997604]  ? trace_hardirqs_on_caller+0xc0/0x310
[  709.002533]  ? syscall_return_slowpath+0x5e0/0x5e0
[  709.007462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.012313]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.017330]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  709.022786]  ? prepare_exit_to_usermode+0x291/0x3b0
[  709.027809]  ? page_fault+0x8/0x30
[  709.031352]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.036201]  ? page_fault+0x8/0x30
[  709.039742]  page_fault+0x1e/0x30
[  709.043191] RIP: 0033:0x45db60
[  709.046397] Code: Bad RIP value.
[  709.049760] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  709.055122] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  709.062391] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  709.069662] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  709.076929] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  709.084192] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  709.091480] warn_alloc_show_mem: 1 callbacks suppressed
[  709.091492] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  709.091494] Mem-Info:
[  709.091525] active_anon:45842 inactive_anon:131 isolated_anon:0
[  709.091525]  active_file:10 inactive_file:14 isolated_file:0
[  709.091525]  unevictable:0 dirty:0 writeback:0 unstable:0
[  709.091525]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  709.091525]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  709.091525]  free:13767 free_pcp:218 free_cma:0
[  709.096862] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  709.103799] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  709.106191] Call Trace:
[  709.139062] 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
[  709.148406]  <IRQ>
[  709.175883] lowmem_reserve[]: 0 2818 6321 6321
[  709.178477]  dump_stack+0x244/0x39d
[  709.204563] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  709.206720]  ? dump_stack_print_info.cold.1+0x20/0x20
[  709.211266] lowmem_reserve[]: 0 0 3503 3503
[  709.214912]  warn_alloc.cold.116+0xb7/0x1bd
[  709.242201] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  709.247388]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  709.251684] lowmem_reserve[]: 0 0 0 0
[  709.256002]  ? lock_downgrade+0x900/0x900
[  709.284865] 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
[  709.289710]  ? trace_hardirqs_off+0xb8/0x310
[  709.293475] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  709.297617]  ? trace_hardirqs_off+0xb8/0x310
[  709.311111] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  709.315522]  __alloc_pages_slowpath+0x26e8/0x2e10
[  709.330760] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  709.335186]  ? warn_alloc+0x120/0x120
[  709.349967] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  709.354798]  ? print_usage_bug+0xc0/0xc0
[  709.363610] 162 total pagecache pages
[  709.367402]  ? warn_alloc+0x120/0x120
[  709.375957] 0 pages in swap cache
[  709.380003]  ? warn_alloc+0x120/0x120
[  709.383778] Swap cache stats: add 0, delete 0, find 0/0
[  709.387572]  ? print_usage_bug+0xc0/0xc0
[  709.390998] Free swap  = 0kB
[  709.394791]  ? kvm_clock_read+0x18/0x30
[  709.400134] Total swap = 0kB
[  709.404191]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  709.407181] 1965979 pages RAM
[  709.411147]  ? print_usage_bug+0xc0/0xc0
[  709.414143] 0 pages HighMem/MovableOnly
[  709.419148]  ? __lock_acquire+0x62f/0x4c20
[  709.422227] 342855 pages reserved
[  709.426295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  709.430235] 0 pages cma reserved
[  709.434465]  ? should_fail+0x22d/0xd01
[  709.437956] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  709.443424]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.443443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.446885] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  709.450679]  ? __lock_acquire+0x62f/0x4c20
[  709.457149] syz-fuzzer cpuset=/ mems_allowed=0
[  709.462435]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  709.491599]  ? __lock_acquire+0x62f/0x4c20
[  709.495834]  ? should_fail+0x22d/0xd01
[  709.499722]  ? rcu_irq_exit+0x1a2/0x390
[  709.503710]  ? mark_held_locks+0x130/0x130
[  709.507956]  ? mark_held_locks+0x130/0x130
[  709.512196]  ? mark_held_locks+0xc7/0x130
[  709.516345]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  709.521367]  ? zap_class+0x640/0x640
[  709.525083]  ? print_usage_bug+0xc0/0xc0
[  709.529150]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.534692]  ? check_preemption_disabled+0x48/0x280
[  709.539724]  ? __lock_is_held+0xb5/0x140
[  709.543809]  __alloc_pages_nodemask+0xa80/0xde0
[  709.548482]  ? zap_class+0x640/0x640
[  709.552201]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  709.557258]  ? find_held_lock+0x36/0x1c0
[  709.561343]  ? ____cache_alloc_node+0x1c7/0x1e0
[  709.566016]  ? lock_downgrade+0x900/0x900
[  709.570176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.575723]  cache_grow_begin+0xa5/0x8c0
[  709.579788]  ? do_raw_spin_unlock+0xa7/0x330
[  709.584206]  fallback_alloc+0x204/0x2e0
[  709.588189]  ____cache_alloc_node+0x1c7/0x1e0
[  709.592691]  kmem_cache_alloc_node+0xe3/0x730
[  709.597190]  ? ipv6_get_ifaddr+0x42e/0x620
[  709.601439]  __alloc_skb+0x119/0x770
[  709.605151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  709.610432]  ? netdev_alloc_frag+0x1f0/0x1f0
[  709.614841]  ? lock_downgrade+0x900/0x900
[  709.618998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.624535]  ? refcount_sub_and_test_checked+0x203/0x310
[  709.629991]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  709.635451]  ? addrconf_rs_timer+0x690/0x690
[  709.639880]  ndisc_alloc_skb+0x144/0x340
[  709.643954]  ndisc_send_rs+0x331/0x6e0
[  709.647849]  addrconf_rs_timer+0x314/0x690
[  709.652092]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.656340]  call_timer_fn+0x272/0x920
[  709.660227]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.664462]  ? process_timeout+0x40/0x40
[  709.668533]  ? __run_timers+0x7da/0xc70
[  709.672516]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.677014]  ? _raw_spin_unlock_irq+0x27/0x80
[  709.681512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.685750]  ? lockdep_hardirqs_on+0x296/0x5b0
[  709.690335]  ? trace_hardirqs_on+0xbd/0x310
[  709.694663]  ? kasan_check_read+0x11/0x20
[  709.698810]  ? __run_timers+0x7da/0xc70
[  709.702787]  ? trace_hardirqs_off_caller+0x310/0x310
[  709.707901]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.712141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  709.716387]  __run_timers+0x7e5/0xc70
[  709.720201]  ? timer_fixup_init+0x70/0x70
[  709.724836]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  709.729854]  ? zap_class+0x640/0x640
[  709.733574]  ? enqueue_hrtimer+0x1a5/0x560
[  709.737810]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  709.743024]  ? find_held_lock+0x36/0x1c0
[  709.747090]  ? zap_class+0x640/0x640
[  709.750807]  ? pvclock_read_flags+0x160/0x160
[  709.755317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.762513]  ? check_preemption_disabled+0x48/0x280
[  709.767544]  ? __lock_is_held+0xb5/0x140
[  709.771609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.777151]  ? check_preemption_disabled+0x48/0x280
[  709.782177]  run_timer_softirq+0x52/0xb0
[  709.786244]  ? rcu_read_lock_sched_held+0x14f/0x180
[  709.791266]  __do_softirq+0x308/0xb7e
[  709.795086]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  709.799628]  ? lock_downgrade+0x900/0x900
[  709.803804]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  709.808920]  ? pvclock_read_flags+0x160/0x160
[  709.813421]  ? lapic_next_event+0x5a/0x90
[  709.817574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.823123]  ? kvm_clock_read+0x18/0x30
[  709.827102]  ? kvm_sched_clock_read+0x9/0x20
[  709.831515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.837056]  ? check_preemption_disabled+0x48/0x280
[  709.842086]  irq_exit+0x17f/0x1c0
[  709.845546]  smp_apic_timer_interrupt+0x1cb/0x760
[  709.850394]  ? smp_call_function_single_interrupt+0x159/0x650
[  709.856988]  ? smp_call_function_single_interrupt+0x650/0x650
[  709.862878]  ? interrupt_entry+0xb5/0xc0
[  709.866942]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.871957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  709.876975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.881823]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.886838]  ? trace_hardirqs_on_caller+0x310/0x310
[  709.891857]  ? task_prio+0x50/0x50
[  709.895401]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  709.900943]  ? check_preemption_disabled+0x48/0x280
[  709.905970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  709.910821]  apic_timer_interrupt+0xf/0x20
[  709.915050]  </IRQ>
[  709.917303] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  709.922240] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  709.941143] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  709.948853] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  709.956121] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  709.963389] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  709.970660] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  709.977927] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  709.985244]  skb_clone+0x1bb/0x500
[  709.988789]  ? finish_task_switch+0x2f4/0x910
[  709.993297]  ? skb_split+0x11e0/0x11e0
[  709.997195]  ? preempt_notifier_register+0x200/0x200
[  710.002311]  ? __switch_to_asm+0x34/0x70
[  710.006375]  ? __switch_to_asm+0x34/0x70
[  710.010444]  ? __switch_to_asm+0x40/0x70
[  710.014507]  ? __switch_to_asm+0x34/0x70
[  710.018579]  ? __switch_to_asm+0x40/0x70
[  710.022640]  ? __switch_to_asm+0x34/0x70
[  710.026701]  ? __switch_to_asm+0x40/0x70
[  710.030764]  ? __switch_to_asm+0x34/0x70
[  710.034826]  ? __switch_to_asm+0x34/0x70
[  710.038888]  ? __switch_to_asm+0x40/0x70
[  710.042952]  ? __switch_to_asm+0x34/0x70
[  710.047027]  bpf_clone_redirect+0xb9/0x490
[  710.051267]  ? __schedule+0x8d7/0x21d0
[  710.055178]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  710.060198]  ? __sched_text_start+0x8/0x8
[  710.064356]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  710.068939]  ? retint_kernel+0x2d/0x2d
[  710.072829]  ? trace_hardirqs_on_caller+0xc0/0x310
[  710.077766]  ? find_held_lock+0x36/0x1c0
[  710.081841]  ? lock_acquire+0x1ed/0x520
[  710.085822]  ? bpf_test_run+0x3cb/0x780
[  710.089801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.095343]  ? check_preemption_disabled+0x48/0x280
[  710.100369]  ? kasan_check_read+0x11/0x20
[  710.104523]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.109803]  ? rcu_softirq_qs+0x20/0x20
[  710.113791]  ? preempt_schedule+0x4d/0x60
[  710.117940]  ? ___preempt_schedule+0x16/0x18
[  710.122362]  ? bpf_test_run+0x25d/0x780
[  710.126351]  ? netlink_diag_dump+0x2a0/0x2a0
[  710.130764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.136311]  ? bpf_test_init.isra.10+0x70/0x100
[  710.140989]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  710.145761]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  710.150603]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  710.156153]  ? fput+0x130/0x1a0
[  710.159436]  ? __bpf_prog_get+0x9b/0x290
[  710.163501]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  710.168344]  ? bpf_prog_test_run+0x130/0x1a0
[  710.172758]  ? __x64_sys_bpf+0x3d8/0x520
[  710.176819]  ? bpf_prog_get+0x20/0x20
[  710.180646]  ? do_syscall_64+0x1b9/0x820
[  710.184708]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  710.190083]  ? syscall_return_slowpath+0x5e0/0x5e0
[  710.195018]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.200038]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  710.205061]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  710.211824]  ? __switch_to_asm+0x40/0x70
[  710.215886]  ? __switch_to_asm+0x34/0x70
[  710.219957]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.224813]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  710.230214] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  710.230298] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  710.236806] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  710.236811] Call Trace:
[  710.236818]  <IRQ>
[  710.236838]  dump_stack+0x244/0x39d
[  710.236860]  ? dump_stack_print_info.cold.1+0x20/0x20
[  710.243497] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  710.252707]  warn_alloc.cold.116+0xb7/0x1bd
[  710.255259] syz-executor3 cpuset=syz3 mems_allowed=0
[  710.257413]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  710.290907]  ? lock_downgrade+0x900/0x900
[  710.295068]  ? trace_hardirqs_off+0xb8/0x310
[  710.299489]  ? trace_hardirqs_off+0xb8/0x310
[  710.303914]  __alloc_pages_slowpath+0x26e8/0x2e10
[  710.308798]  ? warn_alloc+0x120/0x120
[  710.312607]  ? print_usage_bug+0xc0/0xc0
[  710.316671]  ? warn_alloc+0x120/0x120
[  710.320477]  ? warn_alloc+0x120/0x120
[  710.324300]  ? print_usage_bug+0xc0/0xc0
[  710.328387]  ? kvm_clock_read+0x18/0x30
[  710.332366]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  710.337391]  ? print_usage_bug+0xc0/0xc0
[  710.341462]  ? __lock_acquire+0x62f/0x4c20
[  710.345710]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.351259]  ? should_fail+0x22d/0xd01
[  710.355154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.360441]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.365548]  ? __lock_acquire+0x62f/0x4c20
[  710.369796]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  710.374903]  ? __lock_acquire+0x62f/0x4c20
[  710.379143]  ? should_fail+0x22d/0xd01
[  710.383031]  ? rcu_irq_exit+0x1a2/0x390
[  710.387021]  ? mark_held_locks+0x130/0x130
[  710.391266]  ? mark_held_locks+0x130/0x130
[  710.395518]  ? mark_held_locks+0xc7/0x130
[  710.399667]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  710.404688]  ? zap_class+0x640/0x640
[  710.408407]  ? print_usage_bug+0xc0/0xc0
[  710.412477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.418018]  ? check_preemption_disabled+0x48/0x280
[  710.423051]  ? __lock_is_held+0xb5/0x140
[  710.427122]  __alloc_pages_nodemask+0xa80/0xde0
[  710.431802]  ? zap_class+0x640/0x640
[  710.435527]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  710.440557]  ? find_held_lock+0x36/0x1c0
[  710.444633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  710.449315]  ? lock_downgrade+0x900/0x900
[  710.453474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.459017]  cache_grow_begin+0xa5/0x8c0
[  710.463082]  ? do_raw_spin_unlock+0xa7/0x330
[  710.467499]  fallback_alloc+0x204/0x2e0
[  710.471487]  ____cache_alloc_node+0x1c7/0x1e0
[  710.475989]  kmem_cache_alloc_node+0xe3/0x730
[  710.480484]  ? ipv6_get_ifaddr+0x42e/0x620
[  710.484730]  __alloc_skb+0x119/0x770
[  710.488442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  710.493721]  ? netdev_alloc_frag+0x1f0/0x1f0
[  710.498134]  ? lock_downgrade+0x900/0x900
[  710.502304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.507850]  ? refcount_sub_and_test_checked+0x203/0x310
[  710.513311]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  710.518765]  ? addrconf_rs_timer+0x690/0x690
[  710.523192]  ndisc_alloc_skb+0x144/0x340
[  710.527258]  ndisc_send_rs+0x331/0x6e0
[  710.531163]  addrconf_rs_timer+0x314/0x690
[  710.535404]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.539652]  call_timer_fn+0x272/0x920
[  710.543543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.547780]  ? process_timeout+0x40/0x40
[  710.551861]  ? mark_held_locks+0xc7/0x130
[  710.556014]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.560515]  ? _raw_spin_unlock_irq+0x27/0x80
[  710.565010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.569252]  ? lockdep_hardirqs_on+0x296/0x5b0
[  710.573849]  ? trace_hardirqs_on+0xbd/0x310
[  710.578172]  ? kasan_check_read+0x11/0x20
[  710.582324]  ? __run_timers+0x7da/0xc70
[  710.586312]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.591431]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.595676]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  710.599911]  __run_timers+0x7e5/0xc70
[  710.603728]  ? timer_fixup_init+0x70/0x70
[  710.607879]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  710.612902]  ? zap_class+0x640/0x640
[  710.616625]  ? print_usage_bug+0xc0/0xc0
[  710.620692]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  710.625892]  ? find_held_lock+0x36/0x1c0
[  710.629960]  ? zap_class+0x640/0x640
[  710.633681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.639225]  ? check_preemption_disabled+0x48/0x280
[  710.644252]  ? __lock_is_held+0xb5/0x140
[  710.648322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.653862]  ? check_preemption_disabled+0x48/0x280
[  710.658887]  run_timer_softirq+0x52/0xb0
[  710.662956]  ? rcu_read_lock_sched_held+0x14f/0x180
[  710.667978]  __do_softirq+0x308/0xb7e
[  710.671786]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  710.676296]  ? lock_downgrade+0x900/0x900
[  710.680453]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  710.685570]  ? pvclock_read_flags+0x160/0x160
[  710.690075]  ? lapic_next_event+0x5a/0x90
[  710.694226]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.699771]  ? kvm_clock_read+0x18/0x30
[  710.703754]  ? kvm_sched_clock_read+0x9/0x20
[  710.708164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  710.713702]  ? check_preemption_disabled+0x48/0x280
[  710.718735]  irq_exit+0x17f/0x1c0
[  710.722198]  smp_apic_timer_interrupt+0x1cb/0x760
[  710.727040]  ? smp_reschedule_interrupt+0x109/0x650
[  710.732060]  ? smp_call_function_single_interrupt+0x650/0x650
[  710.737951]  ? interrupt_entry+0xb5/0xc0
[  710.742017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.747033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  710.752059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.756908]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.761926]  ? trace_hardirqs_on_caller+0x310/0x310
[  710.766959]  ? task_prio+0x50/0x50
[  710.770507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.776047]  ? check_preemption_disabled+0x48/0x280
[  710.781158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  710.786015]  apic_timer_interrupt+0xf/0x20
[  710.790244]  </IRQ>
[  710.792483] RIP: 0010:dump_stack+0x358/0x39d
[  710.796892] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  710.815797] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  710.823505] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  710.830773] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  710.838051] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  710.845318] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  710.853111] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  710.860406]  ? dump_stack+0x34f/0x39d
[  710.864223]  ? dump_stack_print_info.cold.1+0x20/0x20
[  710.869417]  ? mark_held_locks+0x130/0x130
[  710.873656]  ? mark_held_locks+0x130/0x130
[  710.877897]  dump_header+0x27b/0xf72
[  710.881627]  ? pagefault_out_of_memory+0x197/0x197
[  710.886567]  ? __lock_acquire+0x62f/0x4c20
[  710.890814]  ? percpu_ref_get_many+0x240/0x240
[  710.895402]  ? print_usage_bug+0xc0/0xc0
[  710.899473]  ? zap_class+0x640/0x640
[  710.903189]  ? print_usage_bug+0xc0/0xc0
[  710.907248]  ? print_usage_bug+0xc0/0xc0
[  710.911321]  ? zap_class+0x640/0x640
[  710.915043]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  710.920587]  ? find_held_lock+0x36/0x1c0
[  710.924659]  ? mark_held_locks+0xc7/0x130
[  710.928820]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.933926]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  710.939032]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  710.943619]  ? trace_hardirqs_on+0xbd/0x310
[  710.947942]  ? kasan_check_read+0x11/0x20
[  710.952089]  ? ___ratelimit+0x3b4/0x672
[  710.956071]  ? trace_hardirqs_off_caller+0x310/0x310
[  710.961176]  ? trace_hardirqs_on+0x310/0x310
[  710.965585]  ? lock_downgrade+0x900/0x900
[  710.969741]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  710.974844]  ? ___ratelimit+0x3b9/0x672
[  710.978826]  ? idr_get_free+0xf70/0xf70
[  710.982805]  ? find_held_lock+0x36/0x1c0
[  710.986883]  oom_kill_process.cold.27+0x10/0x903
[  710.991644]  ? zap_class+0x640/0x640
[  710.995363]  ? check_preemption_disabled+0x48/0x280
[  711.000382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.005323]  ? kasan_check_read+0x11/0x20
[  711.009469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.014770]  ? oom_evaluate_task+0x540/0x540
[  711.019187]  ? find_held_lock+0x36/0x1c0
[  711.023256]  ? out_of_memory+0x974/0x1430
[  711.027429]  ? lock_downgrade+0x900/0x900
[  711.031579]  ? check_preemption_disabled+0x48/0x280
[  711.036619]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.041548]  ? kasan_check_read+0x11/0x20
[  711.045696]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.050971]  ? rcu_softirq_qs+0x20/0x20
[  711.054950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.060493]  ? oom_evaluate_task+0x302/0x540
[  711.064909]  out_of_memory+0xa84/0x1430
[  711.068898]  ? oom_killer_disable+0x3a0/0x3a0
[  711.073396]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  711.078331]  ? __ww_mutex_check_waiters+0x160/0x160
[  711.083366]  __alloc_pages_slowpath+0x2354/0x2e10
[  711.088244]  ? warn_alloc+0x120/0x120
[  711.092044]  ? mark_held_locks+0x130/0x130
[  711.096295]  ? find_get_entry+0xaae/0x1120
[  711.100547]  ? filemap_map_pages+0x1a20/0x1a20
[  711.105142]  ? zap_class+0x640/0x640
[  711.108870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  711.114412]  ? check_preemption_disabled+0x48/0x280
[  711.119430]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.124971]  ? should_fail+0x22d/0xd01
[  711.128862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.133969]  ? zap_class+0x640/0x640
[  711.137716]  ? __lock_is_held+0xb5/0x140
[  711.141789]  ? mark_held_locks+0x130/0x130
[  711.146035]  ? lock_release+0xa00/0xa00
[  711.150013]  ? perf_trace_sched_process_exec+0x860/0x860
[  711.155466]  ? xa_load+0x2ba/0x460
[  711.159011]  ? lock_downgrade+0x900/0x900
[  711.163167]  ? __might_sleep+0x95/0x190
[  711.167171]  __alloc_pages_nodemask+0xa80/0xde0
[  711.171856]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  711.176880]  ? __page_cache_alloc+0x191/0x5c0
[  711.181378]  ? xa_load+0x2e1/0x460
[  711.184923]  ? xa_clear_mark+0x40/0x40
[  711.188819]  ? zap_class+0x640/0x640
[  711.192547]  ? zap_class+0x640/0x640
[  711.196260]  ? zap_class+0x640/0x640
[  711.199987]  ? __do_page_cache_readahead+0x663/0x810
[  711.205100]  ? find_held_lock+0x36/0x1c0
[  711.209170]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  711.214722]  alloc_pages_current+0x173/0x350
[  711.219143]  __page_cache_alloc+0x38c/0x5c0
[  711.223463]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.228399]  ? kasan_check_read+0x11/0x20
[  711.232551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.237840]  ? generic_perform_write+0x6a0/0x6a0
[  711.242610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.248156]  ? check_preemption_disabled+0x48/0x280
[  711.253183]  filemap_fault+0x1595/0x25f0
[  711.257261]  ? __lock_page_or_retry+0xa00/0xa00
[  711.261944]  ? mark_held_locks+0x130/0x130
[  711.266195]  ? filemap_map_pages+0xd6b/0x1a20
[  711.270695]  ? lock_downgrade+0x900/0x900
[  711.274846]  ? check_preemption_disabled+0x48/0x280
[  711.279870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.284809]  ? kasan_check_read+0x11/0x20
[  711.288963]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.294240]  ? rcu_softirq_qs+0x20/0x20
[  711.298234]  ? filemap_map_pages+0xd92/0x1a20
[  711.302739]  ? print_usage_bug+0xc0/0xc0
[  711.306819]  ? find_get_entries_tag+0x1400/0x1400
[  711.311667]  ? __kasan_slab_free+0x102/0x150
[  711.316077]  ? kasan_slab_free+0xe/0x10
[  711.320053]  ? kmem_cache_free+0x83/0x290
[  711.324207]  ? __sigqueue_free.part.29+0x74/0x90
[  711.328987]  ? lock_acquire+0x1ed/0x520
[  711.332962]  ? ext4_filemap_fault+0x7a/0xad
[  711.337301]  ? lock_release+0xa00/0xa00
[  711.341278]  ? perf_trace_sched_process_exec+0x860/0x860
[  711.346751]  ? print_usage_bug+0xc0/0xc0
[  711.350819]  ? print_usage_bug+0xc0/0xc0
[  711.354898]  ? down_read+0x8d/0x120
[  711.358548]  ? ext4_filemap_fault+0x7a/0xad
[  711.362883]  ? __down_interruptible+0x700/0x700
[  711.367566]  ext4_filemap_fault+0x82/0xad
[  711.371722]  __do_fault+0x100/0x6b0
[  711.375360]  ? pmd_devmap_trans_unstable+0x220/0x220
[  711.380471]  ? mark_held_locks+0x130/0x130
[  711.384715]  ? mark_held_locks+0x130/0x130
[  711.388952]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  711.394495]  ? rcu_pm_notify+0xc0/0xc0
[  711.398396]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.403942]  __handle_mm_fault+0x3ea6/0x5be0
[  711.408368]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  711.413211]  ? _raw_spin_unlock_irq+0x27/0x80
[  711.417710]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  711.422308]  ? trace_hardirqs_on+0xbd/0x310
[  711.426646]  ? kasan_check_read+0x11/0x20
[  711.430802]  ? __set_current_blocked+0xdf/0x120
[  711.435503]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.440666]  ? zap_class+0x640/0x640
[  711.444381]  ? zap_class+0x640/0x640
[  711.448108]  ? find_held_lock+0x36/0x1c0
[  711.452186]  ? handle_mm_fault+0x42a/0xc70
[  711.456429]  ? lock_downgrade+0x900/0x900
[  711.460586]  ? check_preemption_disabled+0x48/0x280
[  711.465618]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  711.470555]  ? kasan_check_read+0x11/0x20
[  711.474714]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  711.479993]  ? rcu_softirq_qs+0x20/0x20
[  711.483974]  ? trace_hardirqs_off_caller+0x310/0x310
[  711.489084]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.494628]  ? check_preemption_disabled+0x48/0x280
[  711.499657]  handle_mm_fault+0x54f/0xc70
[  711.503725]  ? __handle_mm_fault+0x5be0/0x5be0
[  711.508321]  ? find_vma+0x34/0x190
[  711.511870]  __do_page_fault+0x5e8/0xe60
[  711.515940]  ? exit_to_usermode_loop+0x1f4/0x380
[  711.520713]  do_page_fault+0xf2/0x7e0
[  711.524520]  ? vmalloc_sync_all+0x30/0x30
[  711.528672]  ? error_entry+0x70/0xd0
[  711.532411]  ? trace_hardirqs_off_caller+0xbb/0x310
[  711.537434]  ? trace_hardirqs_on_caller+0xc0/0x310
[  711.542366]  ? syscall_return_slowpath+0x5e0/0x5e0
[  711.547304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.552156]  ? trace_hardirqs_on_caller+0x310/0x310
[  711.557178]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  711.562636]  ? prepare_exit_to_usermode+0x291/0x3b0
[  711.567655]  ? page_fault+0x8/0x30
[  711.571199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  711.576046]  ? page_fault+0x8/0x30
[  711.579590]  page_fault+0x1e/0x30
[  711.583041] RIP: 0033:0x45db60
[  711.586251] Code: Bad RIP value.
[  711.589620] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  711.594983] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  711.602250] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  711.609526] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  711.616799] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  711.624070] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  711.631374] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  711.631380] warn_alloc_show_mem: 1 callbacks suppressed
[  711.631387] Mem-Info:
[  711.638322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  711.643694] active_anon:45842 inactive_anon:131 isolated_anon:0
[  711.643694]  active_file:10 inactive_file:14 isolated_file:0
[  711.643694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  711.643694]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  711.643694]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  711.643694]  free:13767 free_pcp:218 free_cma:0
[  711.646065] Call Trace:
[  711.655454] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  711.688314]  <IRQ>
[  711.690887] 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
[  711.718387]  dump_stack+0x244/0x39d
[  711.720514] lowmem_reserve[]: 0 2818 6321 6321
[  711.747143]  ? dump_stack_print_info.cold.1+0x20/0x20
[  711.750746] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  711.755335]  warn_alloc.cold.116+0xb7/0x1bd
[  711.760494] lowmem_reserve[]: 0 0 3503 3503
[  711.787819]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  711.792120] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  711.796437]  ? lock_downgrade+0x900/0x900
[  711.801250] lowmem_reserve[]: 0 0 0 0
[  711.830145]  ? trace_hardirqs_off+0xb8/0x310
[  711.834266] 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
[  711.838077]  ? trace_hardirqs_off+0xb8/0x310
[  711.842452] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  711.855985]  __alloc_pages_slowpath+0x26e8/0x2e10
[  711.860361] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  711.875644]  ? warn_alloc+0x120/0x120
[  711.880443] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  711.895256]  ? warn_alloc+0x120/0x120
[  711.899046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  711.907866]  ? warn_alloc+0x120/0x120
[  711.911643] 162 total pagecache pages
[  711.920231]  ? print_usage_bug+0xc0/0xc0
[  711.924016] 0 pages in swap cache
[  711.927811]  ? __lock_acquire+0x62f/0x4c20
[  711.931855] Swap cache stats: add 0, delete 0, find 0/0
[  711.935314]  ? print_usage_bug+0xc0/0xc0
[  711.939527] Free swap  = 0kB
[  711.944885]  ? __lock_acquire+0x62f/0x4c20
[  711.948920] Total swap = 0kB
[  711.951933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  711.956142] 1965979 pages RAM
[  711.959155]  ? should_fail+0x22d/0xd01
[  711.964669] 0 pages HighMem/MovableOnly
[  711.967771]  ? __lock_acquire+0x62f/0x4c20
[  711.971636] 342855 pages reserved
[  711.975606]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.979844] 0 pages cma reserved
[  711.983306]  ? __lock_acquire+0x62f/0x4c20
[  711.988442] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  711.991740]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  711.996067] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  712.002457]  ? __lock_acquire+0x62f/0x4c20
[  712.007538] syz-fuzzer cpuset=/ mems_allowed=0
[  712.017758]  ? should_fail+0x22d/0xd01
[  712.030430]  ? mark_held_locks+0x130/0x130
[  712.034673]  ? mark_held_locks+0x130/0x130
[  712.038911]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  712.044028]  ? zap_class+0x640/0x640
[  712.047741]  ? print_usage_bug+0xc0/0xc0
[  712.051813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.057354]  ? check_preemption_disabled+0x48/0x280
[  712.062385]  ? __lock_is_held+0xb5/0x140
[  712.066456]  __alloc_pages_nodemask+0xa80/0xde0
[  712.071125]  ? zap_class+0x640/0x640
[  712.074844]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  712.079872]  ? find_held_lock+0x36/0x1c0
[  712.083948]  ? ____cache_alloc_node+0x1c7/0x1e0
[  712.088619]  ? lock_downgrade+0x900/0x900
[  712.092778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.098333]  cache_grow_begin+0xa5/0x8c0
[  712.102397]  ? do_raw_spin_unlock+0xa7/0x330
[  712.106812]  fallback_alloc+0x204/0x2e0
[  712.110801]  ____cache_alloc_node+0x1c7/0x1e0
[  712.115317]  kmem_cache_alloc_node+0xe3/0x730
[  712.119813]  ? ipv6_get_ifaddr+0x42e/0x620
[  712.124060]  __alloc_skb+0x119/0x770
[  712.127778]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.133059]  ? netdev_alloc_frag+0x1f0/0x1f0
[  712.137466]  ? lock_downgrade+0x900/0x900
[  712.141628]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.147168]  ? refcount_sub_and_test_checked+0x203/0x310
[  712.152622]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  712.158073]  ? addrconf_rs_timer+0x690/0x690
[  712.162497]  ndisc_alloc_skb+0x144/0x340
[  712.166567]  ndisc_send_rs+0x331/0x6e0
[  712.170462]  addrconf_rs_timer+0x314/0x690
[  712.174705]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.178952]  call_timer_fn+0x272/0x920
[  712.182841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.187074]  ? process_timeout+0x40/0x40
[  712.191145]  ? __run_timers+0x7da/0xc70
[  712.195126]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.199622]  ? _raw_spin_unlock_irq+0x27/0x80
[  712.204114]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.208352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  712.212937]  ? trace_hardirqs_on+0xbd/0x310
[  712.217259]  ? kasan_check_read+0x11/0x20
[  712.221416]  ? __run_timers+0x7da/0xc70
[  712.225390]  ? trace_hardirqs_off_caller+0x310/0x310
[  712.230504]  ? prandom_seed_full_state+0x3b0/0x3b0
[  712.235439]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  712.239677]  __run_timers+0x7e5/0xc70
[  712.243488]  ? timer_fixup_init+0x70/0x70
[  712.247643]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  712.252664]  ? zap_class+0x640/0x640
[  712.256383]  ? enqueue_hrtimer+0x1a5/0x560
[  712.260621]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  712.265823]  ? find_held_lock+0x36/0x1c0
[  712.269891]  ? zap_class+0x640/0x640
[  712.273612]  ? pvclock_read_flags+0x160/0x160
[  712.278115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.283653]  ? check_preemption_disabled+0x48/0x280
[  712.288678]  ? __lock_is_held+0xb5/0x140
[  712.292740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.298289]  ? check_preemption_disabled+0x48/0x280
[  712.303337]  run_timer_softirq+0x52/0xb0
[  712.307400]  ? rcu_read_lock_sched_held+0x14f/0x180
[  712.312422]  __do_softirq+0x308/0xb7e
[  712.316231]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  712.320728]  ? lock_downgrade+0x900/0x900
[  712.324882]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  712.329999]  ? pvclock_read_flags+0x160/0x160
[  712.334503]  ? lapic_next_event+0x5a/0x90
[  712.338654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.344198]  ? kvm_clock_read+0x18/0x30
[  712.348173]  ? kvm_sched_clock_read+0x9/0x20
[  712.352589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.358127]  ? check_preemption_disabled+0x48/0x280
[  712.363157]  irq_exit+0x17f/0x1c0
[  712.366614]  smp_apic_timer_interrupt+0x1cb/0x760
[  712.371454]  ? smp_call_function_single_interrupt+0x159/0x650
[  712.377343]  ? smp_call_function_single_interrupt+0x650/0x650
[  712.383232]  ? interrupt_entry+0xb5/0xc0
[  712.387311]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.392333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  712.397351]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.402195]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.407210]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.412227]  ? task_prio+0x50/0x50
[  712.415771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.421322]  ? check_preemption_disabled+0x48/0x280
[  712.426348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.431201]  apic_timer_interrupt+0xf/0x20
[  712.435429]  </IRQ>
[  712.437669] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  712.442598] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  712.461497] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  712.469204] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  712.476474] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  712.483743] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  712.491007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  712.498277] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  712.505609]  skb_clone+0x1bb/0x500
[  712.509161]  ? finish_task_switch+0x2f4/0x910
[  712.513659]  ? skb_split+0x11e0/0x11e0
[  712.517552]  ? preempt_notifier_register+0x200/0x200
[  712.522659]  ? __switch_to_asm+0x34/0x70
[  712.526725]  ? __switch_to_asm+0x34/0x70
[  712.530790]  ? __switch_to_asm+0x40/0x70
[  712.534855]  ? __switch_to_asm+0x34/0x70
[  712.538920]  ? __switch_to_asm+0x40/0x70
[  712.542981]  ? __switch_to_asm+0x34/0x70
[  712.547040]  ? __switch_to_asm+0x40/0x70
[  712.551100]  ? __switch_to_asm+0x34/0x70
[  712.555161]  ? __switch_to_asm+0x34/0x70
[  712.559224]  ? __switch_to_asm+0x40/0x70
[  712.563297]  ? __switch_to_asm+0x34/0x70
[  712.567373]  bpf_clone_redirect+0xb9/0x490
[  712.571624]  ? __schedule+0x8d7/0x21d0
[  712.575521]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  712.580541]  ? __sched_text_start+0x8/0x8
[  712.584694]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  712.589277]  ? retint_kernel+0x2d/0x2d
[  712.593179]  ? trace_hardirqs_on_caller+0xc0/0x310
[  712.598116]  ? find_held_lock+0x36/0x1c0
[  712.602188]  ? lock_acquire+0x1ed/0x520
[  712.606167]  ? bpf_test_run+0x3cb/0x780
[  712.610142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.615683]  ? check_preemption_disabled+0x48/0x280
[  712.620713]  ? kasan_check_read+0x11/0x20
[  712.624861]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.630138]  ? rcu_softirq_qs+0x20/0x20
[  712.634115]  ? preempt_schedule+0x4d/0x60
[  712.638263]  ? ___preempt_schedule+0x16/0x18
[  712.642692]  ? bpf_test_run+0x25d/0x780
[  712.646678]  ? netlink_diag_dump+0x2a0/0x2a0
[  712.651090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.656626]  ? bpf_test_init.isra.10+0x70/0x100
[  712.661316]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  712.666089]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  712.670932]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  712.676471]  ? fput+0x130/0x1a0
[  712.679757]  ? __bpf_prog_get+0x9b/0x290
[  712.683823]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  712.688665]  ? bpf_prog_test_run+0x130/0x1a0
[  712.693080]  ? __x64_sys_bpf+0x3d8/0x520
[  712.697142]  ? bpf_prog_get+0x20/0x20
[  712.700965]  ? do_syscall_64+0x1b9/0x820
[  712.705028]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  712.710398]  ? syscall_return_slowpath+0x5e0/0x5e0
[  712.715333]  ? trace_hardirqs_on_caller+0x310/0x310
[  712.720353]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  712.725376]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  712.732044]  ? __switch_to_asm+0x40/0x70
[  712.736103]  ? __switch_to_asm+0x34/0x70
[  712.740175]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  712.745030]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  712.750417] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  712.750506] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  712.757017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  712.757023] Call Trace:
[  712.757029]  <IRQ>
[  712.757047]  dump_stack+0x244/0x39d
[  712.757069]  ? dump_stack_print_info.cold.1+0x20/0x20
[  712.763616] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  712.772923]  warn_alloc.cold.116+0xb7/0x1bd
[  712.775477] syz-executor3 cpuset=syz3 mems_allowed=0
[  712.777620]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  712.811095]  ? lock_downgrade+0x900/0x900
[  712.815253]  ? trace_hardirqs_off+0xb8/0x310
[  712.819681]  ? trace_hardirqs_off+0xb8/0x310
[  712.824099]  __alloc_pages_slowpath+0x26e8/0x2e10
[  712.828974]  ? warn_alloc+0x120/0x120
[  712.832779]  ? __lock_acquire+0x62f/0x4c20
[  712.837019]  ? warn_alloc+0x120/0x120
[  712.840831]  ? warn_alloc+0x120/0x120
[  712.844637]  ? print_usage_bug+0xc0/0xc0
[  712.848708]  ? print_usage_bug+0xc0/0xc0
[  712.853315]  ? trace_hardirqs_off+0xb8/0x310
[  712.857732]  ? trace_hardirqs_on+0x310/0x310
[  712.862143]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  712.867682]  ? should_fail+0x22d/0xd01
[  712.871577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.876683]  ? __lock_acquire+0x62f/0x4c20
[  712.880926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  712.886029]  ? __lock_acquire+0x62f/0x4c20
[  712.890262]  ? should_fail+0x22d/0xd01
[  712.894169]  ? mark_held_locks+0x130/0x130
[  712.898412]  ? mark_held_locks+0x130/0x130
[  712.902833]  ? zap_class+0x640/0x640
[  712.906549]  ? print_usage_bug+0xc0/0xc0
[  712.910613]  ? __lock_acquire+0x62f/0x4c20
[  712.914855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.920396]  ? check_preemption_disabled+0x48/0x280
[  712.925423]  ? __lock_is_held+0xb5/0x140
[  712.929498]  __alloc_pages_nodemask+0xa80/0xde0
[  712.934169]  ? zap_class+0x640/0x640
[  712.937893]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  712.942926]  ? find_held_lock+0x36/0x1c0
[  712.947017]  ? ____cache_alloc_node+0x1c7/0x1e0
[  712.951692]  ? lock_downgrade+0x900/0x900
[  712.955856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  712.961405]  cache_grow_begin+0xa5/0x8c0
[  712.965470]  ? do_raw_spin_unlock+0xa7/0x330
[  712.969907]  fallback_alloc+0x204/0x2e0
[  712.973893]  ____cache_alloc_node+0x1c7/0x1e0
[  712.979006]  kmem_cache_alloc_node+0xe3/0x730
[  712.983501]  ? ipv6_get_ifaddr+0x42e/0x620
[  712.987750]  __alloc_skb+0x119/0x770
[  712.991463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  712.996748]  ? netdev_alloc_frag+0x1f0/0x1f0
[  713.001181]  ? lock_downgrade+0x900/0x900
[  713.005341]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.010880]  ? refcount_sub_and_test_checked+0x203/0x310
[  713.016340]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  713.021792]  ? addrconf_rs_timer+0x690/0x690
[  713.026220]  ndisc_alloc_skb+0x144/0x340
[  713.030298]  ndisc_send_rs+0x331/0x6e0
[  713.034194]  addrconf_rs_timer+0x314/0x690
[  713.038437]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.042685]  call_timer_fn+0x272/0x920
[  713.046574]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.050815]  ? process_timeout+0x40/0x40
[  713.054890]  ? mark_held_locks+0xc7/0x130
[  713.059047]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.063546]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.068043]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.072280]  ? lockdep_hardirqs_on+0x296/0x5b0
[  713.076874]  ? trace_hardirqs_on+0xbd/0x310
[  713.081203]  ? kasan_check_read+0x11/0x20
[  713.085350]  ? __run_timers+0x7da/0xc70
[  713.089328]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.094450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  713.098682]  __run_timers+0x7e5/0xc70
[  713.102496]  ? timer_fixup_init+0x70/0x70
[  713.106652]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  713.111670]  ? zap_class+0x640/0x640
[  713.115394]  ? print_usage_bug+0xc0/0xc0
[  713.119461]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  713.124660]  ? find_held_lock+0x36/0x1c0
[  713.128728]  ? zap_class+0x640/0x640
[  713.132451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.137993]  ? check_preemption_disabled+0x48/0x280
[  713.143021]  ? __lock_is_held+0xb5/0x140
[  713.147104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.152648]  ? check_preemption_disabled+0x48/0x280
[  713.157672]  run_timer_softirq+0x52/0xb0
[  713.161735]  ? rcu_read_lock_sched_held+0x14f/0x180
[  713.166754]  __do_softirq+0x308/0xb7e
[  713.170559]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  713.175055]  ? lock_downgrade+0x900/0x900
[  713.179209]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  713.184326]  ? pvclock_read_flags+0x160/0x160
[  713.189019]  ? lapic_next_event+0x5a/0x90
[  713.193172]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.198720]  ? kvm_clock_read+0x18/0x30
[  713.202704]  ? kvm_sched_clock_read+0x9/0x20
[  713.207120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.212659]  ? check_preemption_disabled+0x48/0x280
[  713.217688]  irq_exit+0x17f/0x1c0
[  713.221147]  smp_apic_timer_interrupt+0x1cb/0x760
[  713.225990]  ? smp_reschedule_interrupt+0x109/0x650
[  713.231011]  ? smp_call_function_single_interrupt+0x650/0x650
[  713.236908]  ? interrupt_entry+0xb5/0xc0
[  713.240975]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.245993]  ? trace_hardirqs_off_caller+0xbb/0x310
[  713.251013]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.255856]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.260871]  ? trace_hardirqs_on_caller+0x310/0x310
[  713.265892]  ? task_prio+0x50/0x50
[  713.269437]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.274978]  ? check_preemption_disabled+0x48/0x280
[  713.280000]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  713.284852]  apic_timer_interrupt+0xf/0x20
[  713.289081]  </IRQ>
[  713.291321] RIP: 0010:dump_stack+0x358/0x39d
[  713.295734] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  713.314638] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  713.322348] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  713.329614] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  713.336878] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  713.344146] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  713.351415] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  713.358708]  ? dump_stack+0x34f/0x39d
[  713.362528]  ? dump_stack_print_info.cold.1+0x20/0x20
[  713.367722]  ? mark_held_locks+0x130/0x130
[  713.371958]  ? mark_held_locks+0x130/0x130
[  713.376200]  dump_header+0x27b/0xf72
[  713.379927]  ? pagefault_out_of_memory+0x197/0x197
[  713.384867]  ? __lock_acquire+0x62f/0x4c20
[  713.389107]  ? percpu_ref_get_many+0x240/0x240
[  713.393694]  ? print_usage_bug+0xc0/0xc0
[  713.397783]  ? zap_class+0x640/0x640
[  713.401507]  ? print_usage_bug+0xc0/0xc0
[  713.405572]  ? print_usage_bug+0xc0/0xc0
[  713.409640]  ? zap_class+0x640/0x640
[  713.413362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.418906]  ? find_held_lock+0x36/0x1c0
[  713.422994]  ? mark_held_locks+0xc7/0x130
[  713.427149]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  713.432255]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  713.437373]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  713.441964]  ? trace_hardirqs_on+0xbd/0x310
[  713.446296]  ? kasan_check_read+0x11/0x20
[  713.450449]  ? ___ratelimit+0x3b4/0x672
[  713.454425]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.459535]  ? trace_hardirqs_on+0x310/0x310
[  713.463950]  ? lock_downgrade+0x900/0x900
[  713.468107]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  713.473211]  ? ___ratelimit+0x3b9/0x672
[  713.477200]  ? idr_get_free+0xf70/0xf70
[  713.481176]  ? find_held_lock+0x36/0x1c0
[  713.485250]  oom_kill_process.cold.27+0x10/0x903
[  713.490019]  ? zap_class+0x640/0x640
[  713.493734]  ? check_preemption_disabled+0x48/0x280
[  713.498754]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.503683]  ? kasan_check_read+0x11/0x20
[  713.507835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.513117]  ? oom_evaluate_task+0x540/0x540
[  713.517535]  ? find_held_lock+0x36/0x1c0
[  713.521614]  ? out_of_memory+0x974/0x1430
[  713.525764]  ? lock_downgrade+0x900/0x900
[  713.529920]  ? check_preemption_disabled+0x48/0x280
[  713.534944]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.539874]  ? kasan_check_read+0x11/0x20
[  713.544026]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.549309]  ? rcu_softirq_qs+0x20/0x20
[  713.553300]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.558841]  ? oom_evaluate_task+0x302/0x540
[  713.563257]  out_of_memory+0xa84/0x1430
[  713.567248]  ? oom_killer_disable+0x3a0/0x3a0
[  713.571755]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  713.576686]  ? __ww_mutex_check_waiters+0x160/0x160
[  713.581716]  __alloc_pages_slowpath+0x2354/0x2e10
[  713.586590]  ? warn_alloc+0x120/0x120
[  713.590394]  ? mark_held_locks+0x130/0x130
[  713.594636]  ? find_get_entry+0xaae/0x1120
[  713.598884]  ? filemap_map_pages+0x1a20/0x1a20
[  713.603473]  ? zap_class+0x640/0x640
[  713.607195]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  713.612736]  ? check_preemption_disabled+0x48/0x280
[  713.617752]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.623298]  ? should_fail+0x22d/0xd01
[  713.627193]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  713.632309]  ? zap_class+0x640/0x640
[  713.636052]  ? __lock_is_held+0xb5/0x140
[  713.640127]  ? mark_held_locks+0x130/0x130
[  713.644367]  ? lock_release+0xa00/0xa00
[  713.648345]  ? perf_trace_sched_process_exec+0x860/0x860
[  713.653803]  ? xa_load+0x2ba/0x460
[  713.657347]  ? lock_downgrade+0x900/0x900
[  713.661500]  ? __might_sleep+0x95/0x190
[  713.665480]  __alloc_pages_nodemask+0xa80/0xde0
[  713.670159]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  713.675176]  ? __page_cache_alloc+0x191/0x5c0
[  713.679674]  ? xa_load+0x2e1/0x460
[  713.683220]  ? xa_clear_mark+0x40/0x40
[  713.687111]  ? zap_class+0x640/0x640
[  713.690859]  ? zap_class+0x640/0x640
[  713.694579]  ? zap_class+0x640/0x640
[  713.698306]  ? __do_page_cache_readahead+0x663/0x810
[  713.703419]  ? find_held_lock+0x36/0x1c0
[  713.707486]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  713.713033]  alloc_pages_current+0x173/0x350
[  713.717451]  __page_cache_alloc+0x38c/0x5c0
[  713.722039]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.726969]  ? kasan_check_read+0x11/0x20
[  713.731119]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.736401]  ? generic_perform_write+0x6a0/0x6a0
[  713.741160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.746702]  ? check_preemption_disabled+0x48/0x280
[  713.751728]  filemap_fault+0x1595/0x25f0
[  713.755813]  ? __lock_page_or_retry+0xa00/0xa00
[  713.760487]  ? mark_held_locks+0x130/0x130
[  713.764755]  ? filemap_map_pages+0xd6b/0x1a20
[  713.769259]  ? lock_downgrade+0x900/0x900
[  713.773416]  ? check_preemption_disabled+0x48/0x280
[  713.778439]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.783369]  ? kasan_check_read+0x11/0x20
[  713.787519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.792806]  ? rcu_softirq_qs+0x20/0x20
[  713.796806]  ? filemap_map_pages+0xd92/0x1a20
[  713.801333]  ? print_usage_bug+0xc0/0xc0
[  713.805405]  ? find_get_entries_tag+0x1400/0x1400
[  713.810249]  ? __kasan_slab_free+0x102/0x150
[  713.814662]  ? kasan_slab_free+0xe/0x10
[  713.818641]  ? kmem_cache_free+0x83/0x290
[  713.822791]  ? __sigqueue_free.part.29+0x74/0x90
[  713.827575]  ? lock_acquire+0x1ed/0x520
[  713.831558]  ? ext4_filemap_fault+0x7a/0xad
[  713.835889]  ? lock_release+0xa00/0xa00
[  713.839862]  ? perf_trace_sched_process_exec+0x860/0x860
[  713.845323]  ? print_usage_bug+0xc0/0xc0
[  713.849393]  ? print_usage_bug+0xc0/0xc0
[  713.853474]  ? down_read+0x8d/0x120
[  713.857112]  ? ext4_filemap_fault+0x7a/0xad
[  713.861475]  ? __down_interruptible+0x700/0x700
[  713.866155]  ext4_filemap_fault+0x82/0xad
[  713.870313]  __do_fault+0x100/0x6b0
[  713.873949]  ? pmd_devmap_trans_unstable+0x220/0x220
[  713.879061]  ? mark_held_locks+0x130/0x130
[  713.883305]  ? mark_held_locks+0x130/0x130
[  713.887549]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  713.893090]  ? rcu_pm_notify+0xc0/0xc0
[  713.897010]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.902563]  __handle_mm_fault+0x3ea6/0x5be0
[  713.906989]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  713.911840]  ? _raw_spin_unlock_irq+0x27/0x80
[  713.916348]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  713.920934]  ? trace_hardirqs_on+0xbd/0x310
[  713.925261]  ? kasan_check_read+0x11/0x20
[  713.929421]  ? __set_current_blocked+0xdf/0x120
[  713.934094]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.939217]  ? zap_class+0x640/0x640
[  713.942942]  ? zap_class+0x640/0x640
[  713.946666]  ? find_held_lock+0x36/0x1c0
[  713.950743]  ? handle_mm_fault+0x42a/0xc70
[  713.954983]  ? lock_downgrade+0x900/0x900
[  713.959133]  ? check_preemption_disabled+0x48/0x280
[  713.964160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  713.969095]  ? kasan_check_read+0x11/0x20
[  713.973244]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  713.978526]  ? rcu_softirq_qs+0x20/0x20
[  713.982501]  ? trace_hardirqs_off_caller+0x310/0x310
[  713.987610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  713.993148]  ? check_preemption_disabled+0x48/0x280
[  713.998177]  handle_mm_fault+0x54f/0xc70
[  714.002242]  ? __handle_mm_fault+0x5be0/0x5be0
[  714.006837]  ? find_vma+0x34/0x190
[  714.010385]  __do_page_fault+0x5e8/0xe60
[  714.014449]  ? exit_to_usermode_loop+0x1f4/0x380
[  714.019217]  do_page_fault+0xf2/0x7e0
[  714.023022]  ? vmalloc_sync_all+0x30/0x30
[  714.027173]  ? error_entry+0x70/0xd0
[  714.030891]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.035910]  ? trace_hardirqs_on_caller+0xc0/0x310
[  714.040845]  ? syscall_return_slowpath+0x5e0/0x5e0
[  714.045777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.050629]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.055648]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  714.061110]  ? prepare_exit_to_usermode+0x291/0x3b0
[  714.066132]  ? page_fault+0x8/0x30
[  714.069676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.074522]  ? page_fault+0x8/0x30
[  714.078062]  page_fault+0x1e/0x30
[  714.081513] RIP: 0033:0x45db60
[  714.084718] Code: Bad RIP value.
[  714.088077] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  714.093439] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  714.100709] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  714.108007] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  714.115273] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  714.122549] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  714.129853] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  714.129858] warn_alloc_show_mem: 1 callbacks suppressed
[  714.129865] Mem-Info:
[  714.136791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  714.142162] active_anon:45842 inactive_anon:131 isolated_anon:0
[  714.142162]  active_file:10 inactive_file:14 isolated_file:0
[  714.142162]  unevictable:0 dirty:0 writeback:0 unstable:0
[  714.142162]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  714.142162]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  714.142162]  free:13767 free_pcp:218 free_cma:0
[  714.144535] Call Trace:
[  714.153925] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  714.186783]  <IRQ>
[  714.189358] 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
[  714.216859]  dump_stack+0x244/0x39d
[  714.218987] lowmem_reserve[]: 0 2818 6321 6321
[  714.245098]  ? dump_stack_print_info.cold.1+0x20/0x20
[  714.248700] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  714.253299]  warn_alloc.cold.116+0xb7/0x1bd
[  714.258450] lowmem_reserve[]: 0 0 3503 3503
[  714.285784]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  714.290083] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  714.294405]  ? lock_downgrade+0x900/0x900
[  714.299222] lowmem_reserve[]: 0 0 0 0
[  714.328121]  ? trace_hardirqs_off+0xb8/0x310
[  714.332238] 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
[  714.336033]  ? trace_hardirqs_off+0xb8/0x310
[  714.340411] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  714.353936]  __alloc_pages_slowpath+0x26e8/0x2e10
[  714.358313] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  714.373605]  ? warn_alloc+0x120/0x120
[  714.378403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  714.393221]  ? print_usage_bug+0xc0/0xc0
[  714.397001] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  714.405824]  ? warn_alloc+0x120/0x120
[  714.409859] 162 total pagecache pages
[  714.418431]  ? warn_alloc+0x120/0x120
[  714.422217] 0 pages in swap cache
[  714.426004]  ? print_usage_bug+0xc0/0xc0
[  714.429785] Swap cache stats: add 0, delete 0, find 0/0
[  714.433228]  ? print_usage_bug+0xc0/0xc0
[  714.437262] Free swap  = 0kB
[  714.442628]  ? __lock_acquire+0x62f/0x4c20
[  714.446665] Total swap = 0kB
[  714.449680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  714.453890] 1965979 pages RAM
[  714.456903]  ? should_fail+0x22d/0xd01
[  714.462414] 0 pages HighMem/MovableOnly
[  714.465512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.469374] 342855 pages reserved
[  714.473341]  ? __lock_acquire+0x62f/0x4c20
[  714.478424] 0 pages cma reserved
[  714.481871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  714.486142] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  714.489436]  ? __lock_acquire+0x62f/0x4c20
[  714.489451]  ? should_fail+0x22d/0xd01
[  714.494604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  714.501014]  ? find_held_lock+0x36/0x1c0
[  714.505223] syz-fuzzer cpuset=/ mems_allowed=0
[  714.509107]  ? mark_held_locks+0x130/0x130
[  714.532186]  ? mark_held_locks+0x130/0x130
[  714.536425]  ? zap_class+0x640/0x640
[  714.540140]  ? zap_class+0x640/0x640
[  714.543856]  ? print_usage_bug+0xc0/0xc0
[  714.547916]  ? do_raw_spin_unlock+0xa7/0x330
[  714.552335]  ? zap_class+0x640/0x640
[  714.556049]  ? print_usage_bug+0xc0/0xc0
[  714.560108]  ? wq_watchdog_touch+0x9c/0xfe
[  714.564348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.569890]  ? check_preemption_disabled+0x48/0x280
[  714.574917]  ? __lock_is_held+0xb5/0x140
[  714.578990]  __alloc_pages_nodemask+0xa80/0xde0
[  714.583660]  ? zap_class+0x640/0x640
[  714.587380]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  714.592411]  ? find_held_lock+0x36/0x1c0
[  714.596491]  ? ____cache_alloc_node+0x1c7/0x1e0
[  714.601166]  ? lock_downgrade+0x900/0x900
[  714.605332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.610877]  cache_grow_begin+0xa5/0x8c0
[  714.614942]  ? do_raw_spin_unlock+0xa7/0x330
[  714.619362]  fallback_alloc+0x204/0x2e0
[  714.623345]  ____cache_alloc_node+0x1c7/0x1e0
[  714.627849]  kmem_cache_alloc_node+0xe3/0x730
[  714.632351]  ? ipv6_get_ifaddr+0x42e/0x620
[  714.636602]  __alloc_skb+0x119/0x770
[  714.640325]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  714.645607]  ? netdev_alloc_frag+0x1f0/0x1f0
[  714.650019]  ? lock_downgrade+0x900/0x900
[  714.654177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.659731]  ? refcount_sub_and_test_checked+0x203/0x310
[  714.665186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  714.670642]  ? addrconf_rs_timer+0x690/0x690
[  714.675069]  ndisc_alloc_skb+0x144/0x340
[  714.679144]  ndisc_send_rs+0x331/0x6e0
[  714.683044]  addrconf_rs_timer+0x314/0x690
[  714.687317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.691570]  call_timer_fn+0x272/0x920
[  714.695457]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.699694]  ? process_timeout+0x40/0x40
[  714.703763]  ? __run_timers+0x7da/0xc70
[  714.707750]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.712272]  ? _raw_spin_unlock_irq+0x27/0x80
[  714.716780]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.721523]  ? lockdep_hardirqs_on+0x296/0x5b0
[  714.726112]  ? trace_hardirqs_on+0xbd/0x310
[  714.730434]  ? kasan_check_read+0x11/0x20
[  714.734580]  ? __run_timers+0x7da/0xc70
[  714.738561]  ? trace_hardirqs_off_caller+0x310/0x310
[  714.743675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.747917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  714.752150]  __run_timers+0x7e5/0xc70
[  714.755962]  ? timer_fixup_init+0x70/0x70
[  714.760116]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  714.765144]  ? zap_class+0x640/0x640
[  714.768863]  ? enqueue_hrtimer+0x1a5/0x560
[  714.773101]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  714.778313]  ? find_held_lock+0x36/0x1c0
[  714.782394]  ? zap_class+0x640/0x640
[  714.786121]  ? pvclock_read_flags+0x160/0x160
[  714.790619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.796159]  ? check_preemption_disabled+0x48/0x280
[  714.801191]  ? __lock_is_held+0xb5/0x140
[  714.805255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.810798]  ? check_preemption_disabled+0x48/0x280
[  714.815827]  run_timer_softirq+0x52/0xb0
[  714.819892]  ? rcu_read_lock_sched_held+0x14f/0x180
[  714.824913]  __do_softirq+0x308/0xb7e
[  714.828716]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  714.833209]  ? lock_downgrade+0x900/0x900
[  714.837363]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  714.842479]  ? pvclock_read_flags+0x160/0x160
[  714.846981]  ? lapic_next_event+0x5a/0x90
[  714.851136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.856914]  ? kvm_clock_read+0x18/0x30
[  714.860891]  ? kvm_sched_clock_read+0x9/0x20
[  714.865316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.870857]  ? check_preemption_disabled+0x48/0x280
[  714.875885]  irq_exit+0x17f/0x1c0
[  714.879340]  smp_apic_timer_interrupt+0x1cb/0x760
[  714.884184]  ? smp_call_function_single_interrupt+0x159/0x650
[  714.890071]  ? smp_call_function_single_interrupt+0x650/0x650
[  714.895961]  ? interrupt_entry+0xb5/0xc0
[  714.900024]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.905041]  ? trace_hardirqs_off_caller+0xbb/0x310
[  714.910058]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.914902]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.919919]  ? trace_hardirqs_on_caller+0x310/0x310
[  714.924936]  ? task_prio+0x50/0x50
[  714.928478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  714.934021]  ? check_preemption_disabled+0x48/0x280
[  714.939049]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  714.943900]  apic_timer_interrupt+0xf/0x20
[  714.948128]  </IRQ>
[  714.950369] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  714.955312] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  714.974211] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  714.981921] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  714.989188] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  714.996453] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  715.003723] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  715.010990] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  715.018319]  skb_clone+0x1bb/0x500
[  715.021864]  ? finish_task_switch+0x2f4/0x910
[  715.026361]  ? skb_split+0x11e0/0x11e0
[  715.030254]  ? preempt_notifier_register+0x200/0x200
[  715.035366]  ? __switch_to_asm+0x34/0x70
[  715.039431]  ? __switch_to_asm+0x34/0x70
[  715.043491]  ? __switch_to_asm+0x40/0x70
[  715.047550]  ? __switch_to_asm+0x34/0x70
[  715.051613]  ? __switch_to_asm+0x40/0x70
[  715.055675]  ? __switch_to_asm+0x34/0x70
[  715.059734]  ? __switch_to_asm+0x40/0x70
[  715.063798]  ? __switch_to_asm+0x34/0x70
[  715.067861]  ? __switch_to_asm+0x34/0x70
[  715.071923]  ? __switch_to_asm+0x40/0x70
[  715.075985]  ? __switch_to_asm+0x34/0x70
[  715.080054]  bpf_clone_redirect+0xb9/0x490
[  715.084304]  ? __schedule+0x8d7/0x21d0
[  715.088205]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  715.093225]  ? __sched_text_start+0x8/0x8
[  715.097379]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  715.101979]  ? retint_kernel+0x2d/0x2d
[  715.105872]  ? trace_hardirqs_on_caller+0xc0/0x310
[  715.110810]  ? find_held_lock+0x36/0x1c0
[  715.114884]  ? lock_acquire+0x1ed/0x520
[  715.118859]  ? bpf_test_run+0x3cb/0x780
[  715.122838]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.128378]  ? check_preemption_disabled+0x48/0x280
[  715.133406]  ? kasan_check_read+0x11/0x20
[  715.137557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.142835]  ? rcu_softirq_qs+0x20/0x20
[  715.146811]  ? preempt_schedule+0x4d/0x60
[  715.150963]  ? ___preempt_schedule+0x16/0x18
[  715.155379]  ? bpf_test_run+0x25d/0x780
[  715.159368]  ? netlink_diag_dump+0x2a0/0x2a0
[  715.163783]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.169329]  ? bpf_test_init.isra.10+0x70/0x100
[  715.174002]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  715.178773]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  715.183614]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  715.189152]  ? fput+0x130/0x1a0
[  715.192437]  ? __bpf_prog_get+0x9b/0x290
[  715.196521]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  715.201367]  ? bpf_prog_test_run+0x130/0x1a0
[  715.205787]  ? __x64_sys_bpf+0x3d8/0x520
[  715.209849]  ? bpf_prog_get+0x20/0x20
[  715.213674]  ? do_syscall_64+0x1b9/0x820
[  715.217738]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  715.223107]  ? syscall_return_slowpath+0x5e0/0x5e0
[  715.228044]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.233062]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  715.238109]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  715.244781]  ? __switch_to_asm+0x40/0x70
[  715.248845]  ? __switch_to_asm+0x34/0x70
[  715.252912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.257769]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  715.263152] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  715.263224] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  715.269736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  715.269741] Call Trace:
[  715.269748]  <IRQ>
[  715.269767]  dump_stack+0x244/0x39d
[  715.269786]  ? dump_stack_print_info.cold.1+0x20/0x20
[  715.276366] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  715.285627]  warn_alloc.cold.116+0xb7/0x1bd
[  715.288181] syz-executor3 cpuset=syz3 mems_allowed=0
[  715.290331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  715.323821]  ? lock_downgrade+0x900/0x900
[  715.327981]  ? trace_hardirqs_off+0xb8/0x310
[  715.332401]  ? trace_hardirqs_off+0xb8/0x310
[  715.336827]  __alloc_pages_slowpath+0x26e8/0x2e10
[  715.341703]  ? warn_alloc+0x120/0x120
[  715.345508]  ? print_usage_bug+0xc0/0xc0
[  715.349573]  ? warn_alloc+0x120/0x120
[  715.353399]  ? warn_alloc+0x120/0x120
[  715.357220]  ? print_usage_bug+0xc0/0xc0
[  715.361300]  ? print_usage_bug+0xc0/0xc0
[  715.365380]  ? __lock_acquire+0x62f/0x4c20
[  715.369627]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.375166]  ? should_fail+0x22d/0xd01
[  715.379061]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  715.384170]  ? __lock_acquire+0x62f/0x4c20
[  715.388409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  715.393517]  ? __lock_acquire+0x62f/0x4c20
[  715.397754]  ? should_fail+0x22d/0xd01
[  715.401650]  ? find_held_lock+0x36/0x1c0
[  715.405723]  ? mark_held_locks+0x130/0x130
[  715.409964]  ? mark_held_locks+0x130/0x130
[  715.414199]  ? try_to_wake_up+0x11c/0x1490
[  715.418436]  ? lock_downgrade+0x900/0x900
[  715.422590]  ? zap_class+0x640/0x640
[  715.426313]  ? print_usage_bug+0xc0/0xc0
[  715.430376]  ? trace_hardirqs_off+0xb8/0x310
[  715.434787]  ? kasan_check_read+0x11/0x20
[  715.438950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.444517]  ? check_preemption_disabled+0x48/0x280
[  715.449558]  ? __lock_is_held+0xb5/0x140
[  715.453637]  __alloc_pages_nodemask+0xa80/0xde0
[  715.458321]  ? zap_class+0x640/0x640
[  715.462044]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  715.467075]  ? find_held_lock+0x36/0x1c0
[  715.471154]  ? ____cache_alloc_node+0x1c7/0x1e0
[  715.475833]  ? lock_downgrade+0x900/0x900
[  715.479992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.485539]  cache_grow_begin+0xa5/0x8c0
[  715.489608]  ? do_raw_spin_unlock+0xa7/0x330
[  715.494028]  fallback_alloc+0x204/0x2e0
[  715.498020]  ____cache_alloc_node+0x1c7/0x1e0
[  715.502713]  kmem_cache_alloc_node+0xe3/0x730
[  715.507212]  ? ipv6_get_ifaddr+0x42e/0x620
[  715.511463]  __alloc_skb+0x119/0x770
[  715.515177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  715.520467]  ? netdev_alloc_frag+0x1f0/0x1f0
[  715.524881]  ? lock_downgrade+0x900/0x900
[  715.529041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.534589]  ? refcount_sub_and_test_checked+0x203/0x310
[  715.540049]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  715.545501]  ? addrconf_rs_timer+0x690/0x690
[  715.549927]  ndisc_alloc_skb+0x144/0x340
[  715.553998]  ndisc_send_rs+0x331/0x6e0
[  715.557893]  addrconf_rs_timer+0x314/0x690
[  715.562137]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  715.566387]  call_timer_fn+0x272/0x920
[  715.570276]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  715.574524]  ? process_timeout+0x40/0x40
[  715.578599]  ? mark_held_locks+0xc7/0x130
[  715.582755]  ? _raw_spin_unlock_irq+0x27/0x80
[  715.587253]  ? _raw_spin_unlock_irq+0x27/0x80
[  715.591757]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  715.596003]  ? lockdep_hardirqs_on+0x296/0x5b0
[  715.600592]  ? trace_hardirqs_on+0xbd/0x310
[  715.604918]  ? kasan_check_read+0x11/0x20
[  715.609073]  ? __run_timers+0x7da/0xc70
[  715.613050]  ? trace_hardirqs_off_caller+0x310/0x310
[  715.618164]  ? __queue_work+0x1440/0x1440
[  715.622331]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  715.626570]  __run_timers+0x7e5/0xc70
[  715.630390]  ? timer_fixup_init+0x70/0x70
[  715.634544]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  715.639569]  ? zap_class+0x640/0x640
[  715.643299]  ? print_usage_bug+0xc0/0xc0
[  715.647369]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  715.652571]  ? find_held_lock+0x36/0x1c0
[  715.656642]  ? zap_class+0x640/0x640
[  715.660365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.665905]  ? check_preemption_disabled+0x48/0x280
[  715.670937]  ? __lock_is_held+0xb5/0x140
[  715.675003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.680555]  ? check_preemption_disabled+0x48/0x280
[  715.685589]  run_timer_softirq+0x52/0xb0
[  715.689695]  ? rcu_read_lock_sched_held+0x14f/0x180
[  715.694714]  __do_softirq+0x308/0xb7e
[  715.698523]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  715.703019]  ? lock_downgrade+0x900/0x900
[  715.707176]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  715.712302]  ? pvclock_read_flags+0x160/0x160
[  715.716814]  ? lapic_next_event+0x5a/0x90
[  715.721135]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.726672]  ? kvm_clock_read+0x18/0x30
[  715.730647]  ? kvm_sched_clock_read+0x9/0x20
[  715.735060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  715.740609]  ? check_preemption_disabled+0x48/0x280
[  715.745638]  irq_exit+0x17f/0x1c0
[  715.749096]  smp_apic_timer_interrupt+0x1cb/0x760
[  715.753937]  ? smp_reschedule_interrupt+0x109/0x650
[  715.758960]  ? smp_call_function_single_interrupt+0x650/0x650
[  715.765022]  ? interrupt_entry+0xb5/0xc0
[  715.769090]  ? trace_hardirqs_off_caller+0xbb/0x310
[  715.774106]  ? trace_hardirqs_off_caller+0xbb/0x310
[  715.779203]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.784047]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.789065]  ? trace_hardirqs_on_caller+0x310/0x310
[  715.794086]  ? task_prio+0x50/0x50
[  715.797639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.803178]  ? check_preemption_disabled+0x48/0x280
[  715.808206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  715.813064]  apic_timer_interrupt+0xf/0x20
[  715.817303]  </IRQ>
[  715.819545] RIP: 0010:dump_stack+0x358/0x39d
[  715.823960] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  715.842862] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  715.850573] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  715.857843] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  715.865112] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  715.872384] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  715.879651] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  715.886945]  ? dump_stack+0x34f/0x39d
[  715.890765]  ? dump_stack_print_info.cold.1+0x20/0x20
[  715.895967]  ? mark_held_locks+0x130/0x130
[  715.900209]  ? mark_held_locks+0x130/0x130
[  715.904449]  dump_header+0x27b/0xf72
[  715.908183]  ? pagefault_out_of_memory+0x197/0x197
[  715.913121]  ? __lock_acquire+0x62f/0x4c20
[  715.917359]  ? percpu_ref_get_many+0x240/0x240
[  715.921944]  ? print_usage_bug+0xc0/0xc0
[  715.926015]  ? zap_class+0x640/0x640
[  715.929736]  ? print_usage_bug+0xc0/0xc0
[  715.933794]  ? print_usage_bug+0xc0/0xc0
[  715.937868]  ? zap_class+0x640/0x640
[  715.941589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  715.947134]  ? find_held_lock+0x36/0x1c0
[  715.951207]  ? mark_held_locks+0xc7/0x130
[  715.955365]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  715.960471]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  715.965577]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  715.970166]  ? trace_hardirqs_on+0xbd/0x310
[  715.974492]  ? kasan_check_read+0x11/0x20
[  715.978641]  ? ___ratelimit+0x3b4/0x672
[  715.982620]  ? trace_hardirqs_off_caller+0x310/0x310
[  715.987724]  ? trace_hardirqs_on+0x310/0x310
[  715.992137]  ? lock_downgrade+0x900/0x900
[  715.996302]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  716.001405]  ? ___ratelimit+0x3b9/0x672
[  716.005385]  ? idr_get_free+0xf70/0xf70
[  716.009364]  ? find_held_lock+0x36/0x1c0
[  716.013443]  oom_kill_process.cold.27+0x10/0x903
[  716.018200]  ? zap_class+0x640/0x640
[  716.021932]  ? check_preemption_disabled+0x48/0x280
[  716.026955]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  716.031885]  ? kasan_check_read+0x11/0x20
[  716.036034]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.041325]  ? oom_evaluate_task+0x540/0x540
[  716.045739]  ? find_held_lock+0x36/0x1c0
[  716.049819]  ? out_of_memory+0x974/0x1430
[  716.053970]  ? lock_downgrade+0x900/0x900
[  716.058123]  ? check_preemption_disabled+0x48/0x280
[  716.063160]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  716.068092]  ? kasan_check_read+0x11/0x20
[  716.072239]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.077534]  ? rcu_softirq_qs+0x20/0x20
[  716.081516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.087051]  ? oom_evaluate_task+0x302/0x540
[  716.091466]  out_of_memory+0xa84/0x1430
[  716.095455]  ? oom_killer_disable+0x3a0/0x3a0
[  716.099956]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  716.104892]  ? __ww_mutex_check_waiters+0x160/0x160
[  716.109925]  __alloc_pages_slowpath+0x2354/0x2e10
[  716.114810]  ? warn_alloc+0x120/0x120
[  716.118615]  ? mark_held_locks+0x130/0x130
[  716.122857]  ? find_get_entry+0xaae/0x1120
[  716.127106]  ? filemap_map_pages+0x1a20/0x1a20
[  716.131700]  ? zap_class+0x640/0x640
[  716.135422]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  716.140961]  ? check_preemption_disabled+0x48/0x280
[  716.145981]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.151522]  ? should_fail+0x22d/0xd01
[  716.155417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  716.160529]  ? zap_class+0x640/0x640
[  716.164274]  ? __lock_is_held+0xb5/0x140
[  716.168360]  ? mark_held_locks+0x130/0x130
[  716.172599]  ? lock_release+0xa00/0xa00
[  716.176576]  ? perf_trace_sched_process_exec+0x860/0x860
[  716.182031]  ? xa_load+0x2ba/0x460
[  716.185574]  ? lock_downgrade+0x900/0x900
[  716.189732]  ? __might_sleep+0x95/0x190
[  716.193713]  __alloc_pages_nodemask+0xa80/0xde0
[  716.198392]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  716.203412]  ? __page_cache_alloc+0x191/0x5c0
[  716.207909]  ? xa_load+0x2e1/0x460
[  716.211453]  ? xa_clear_mark+0x40/0x40
[  716.215345]  ? zap_class+0x640/0x640
[  716.219071]  ? zap_class+0x640/0x640
[  716.222784]  ? zap_class+0x640/0x640
[  716.226505]  ? __do_page_cache_readahead+0x663/0x810
[  716.231616]  ? find_held_lock+0x36/0x1c0
[  716.235688]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  716.241253]  alloc_pages_current+0x173/0x350
[  716.245681]  __page_cache_alloc+0x38c/0x5c0
[  716.250002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  716.254935]  ? kasan_check_read+0x11/0x20
[  716.259083]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.264363]  ? generic_perform_write+0x6a0/0x6a0
[  716.269122]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.274660]  ? check_preemption_disabled+0x48/0x280
[  716.279690]  filemap_fault+0x1595/0x25f0
[  716.283766]  ? __lock_page_or_retry+0xa00/0xa00
[  716.288451]  ? mark_held_locks+0x130/0x130
[  716.292701]  ? filemap_map_pages+0xd6b/0x1a20
[  716.297204]  ? lock_downgrade+0x900/0x900
[  716.301353]  ? check_preemption_disabled+0x48/0x280
[  716.306376]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  716.311321]  ? kasan_check_read+0x11/0x20
[  716.315475]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.320752]  ? rcu_softirq_qs+0x20/0x20
[  716.324745]  ? filemap_map_pages+0xd92/0x1a20
[  716.329250]  ? print_usage_bug+0xc0/0xc0
[  716.333326]  ? find_get_entries_tag+0x1400/0x1400
[  716.338173]  ? __kasan_slab_free+0x102/0x150
[  716.342582]  ? kasan_slab_free+0xe/0x10
[  716.346555]  ? kmem_cache_free+0x83/0x290
[  716.350706]  ? __sigqueue_free.part.29+0x74/0x90
[  716.355486]  ? lock_acquire+0x1ed/0x520
[  716.359465]  ? ext4_filemap_fault+0x7a/0xad
[  716.363794]  ? lock_release+0xa00/0xa00
[  716.367774]  ? perf_trace_sched_process_exec+0x860/0x860
[  716.373235]  ? print_usage_bug+0xc0/0xc0
[  716.377306]  ? print_usage_bug+0xc0/0xc0
[  716.381382]  ? down_read+0x8d/0x120
[  716.385008]  ? ext4_filemap_fault+0x7a/0xad
[  716.389329]  ? __down_interruptible+0x700/0x700
[  716.394014]  ext4_filemap_fault+0x82/0xad
[  716.398163]  __do_fault+0x100/0x6b0
[  716.401804]  ? pmd_devmap_trans_unstable+0x220/0x220
[  716.406915]  ? mark_held_locks+0x130/0x130
[  716.411154]  ? mark_held_locks+0x130/0x130
[  716.415395]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  716.420935]  ? rcu_pm_notify+0xc0/0xc0
[  716.424834]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.430381]  __handle_mm_fault+0x3ea6/0x5be0
[  716.434804]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  716.439685]  ? _raw_spin_unlock_irq+0x27/0x80
[  716.444202]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  716.448789]  ? trace_hardirqs_on+0xbd/0x310
[  716.453116]  ? kasan_check_read+0x11/0x20
[  716.457262]  ? __set_current_blocked+0xdf/0x120
[  716.461940]  ? trace_hardirqs_off_caller+0x310/0x310
[  716.467062]  ? zap_class+0x640/0x640
[  716.470776]  ? zap_class+0x640/0x640
[  716.474521]  ? find_held_lock+0x36/0x1c0
[  716.478594]  ? handle_mm_fault+0x42a/0xc70
[  716.482835]  ? lock_downgrade+0x900/0x900
[  716.486987]  ? check_preemption_disabled+0x48/0x280
[  716.492006]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  716.496934]  ? kasan_check_read+0x11/0x20
[  716.501081]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  716.506358]  ? rcu_softirq_qs+0x20/0x20
[  716.510333]  ? trace_hardirqs_off_caller+0x310/0x310
[  716.515441]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.520979]  ? check_preemption_disabled+0x48/0x280
[  716.526004]  handle_mm_fault+0x54f/0xc70
[  716.530074]  ? __handle_mm_fault+0x5be0/0x5be0
[  716.534664]  ? find_vma+0x34/0x190
[  716.538214]  __do_page_fault+0x5e8/0xe60
[  716.542278]  ? exit_to_usermode_loop+0x1f4/0x380
[  716.547056]  do_page_fault+0xf2/0x7e0
[  716.550859]  ? vmalloc_sync_all+0x30/0x30
[  716.555009]  ? error_entry+0x70/0xd0
[  716.558728]  ? trace_hardirqs_off_caller+0xbb/0x310
[  716.563745]  ? trace_hardirqs_on_caller+0xc0/0x310
[  716.568681]  ? syscall_return_slowpath+0x5e0/0x5e0
[  716.573614]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.578458]  ? trace_hardirqs_on_caller+0x310/0x310
[  716.583473]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  716.588934]  ? prepare_exit_to_usermode+0x291/0x3b0
[  716.593949]  ? page_fault+0x8/0x30
[  716.597493]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  716.602434]  ? page_fault+0x8/0x30
[  716.605974]  page_fault+0x1e/0x30
[  716.609429] RIP: 0033:0x45db60
[  716.612631] Code: Bad RIP value.
[  716.615992] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  716.621352] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  716.628628] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  716.635897] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  716.643163] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  716.650432] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  716.657723] warn_alloc_show_mem: 1 callbacks suppressed
[  716.657735] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  716.657737] Mem-Info:
[  716.657768] active_anon:45842 inactive_anon:131 isolated_anon:0
[  716.657768]  active_file:10 inactive_file:14 isolated_file:0
[  716.657768]  unevictable:0 dirty:0 writeback:0 unstable:0
[  716.657768]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  716.657768]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  716.657768]  free:13767 free_pcp:218 free_cma:0
[  716.663108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  716.670038] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  716.672436] Call Trace:
[  716.705303] 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
[  716.714657]  <IRQ>
[  716.742142] lowmem_reserve[]: 0 2818 6321 6321
[  716.744742]  dump_stack+0x244/0x39d
[  716.770829] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  716.772980]  ? dump_stack_print_info.cold.1+0x20/0x20
[  716.777530] lowmem_reserve[]: 0 0 3503 3503
[  716.781162]  warn_alloc.cold.116+0xb7/0x1bd
[  716.808456] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  716.813645]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  716.817939] lowmem_reserve[]: 0 0 0 0
[  716.822262]  ? lock_downgrade+0x900/0x900
[  716.851147] 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
[  716.856208]  ? trace_hardirqs_off+0xb8/0x310
[  716.859978] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  716.864123]  ? trace_hardirqs_off+0xb8/0x310
[  716.877622] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  716.882035]  __alloc_pages_slowpath+0x26e8/0x2e10
[  716.897274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  716.901712]  ? warn_alloc+0x120/0x120
[  716.916493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  716.921333]  ? print_usage_bug+0xc0/0xc0
[  716.930140] 162 total pagecache pages
[  716.933937]  ? warn_alloc+0x120/0x120
[  716.942493] 0 pages in swap cache
[  716.946544]  ? warn_alloc+0x120/0x120
[  716.950322] Swap cache stats: add 0, delete 0, find 0/0
[  716.954114]  ? print_usage_bug+0xc0/0xc0
[  716.957543] Free swap  = 0kB
[  716.961337]  ? kvm_clock_read+0x18/0x30
[  716.966674] Total swap = 0kB
[  716.970731]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  716.973725] 1965979 pages RAM
[  716.977693]  ? print_usage_bug+0xc0/0xc0
[  716.980686] 0 pages HighMem/MovableOnly
[  716.985693]  ? __lock_acquire+0x62f/0x4c20
[  716.988772] 342855 pages reserved
[  716.992831]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  716.996783] 0 pages cma reserved
[  717.001011]  ? should_fail+0x22d/0xd01
[  717.004498] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  717.009959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  717.009978]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.009994]  ? __lock_acquire+0x62f/0x4c20
[  717.013399] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  717.017225]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.023692] syz-fuzzer cpuset=/ mems_allowed=0
[  717.028965]  ? __lock_acquire+0x62f/0x4c20
[  717.062341]  ? should_fail+0x22d/0xd01
[  717.066230]  ? rcu_irq_exit+0x1a2/0x390
[  717.070215]  ? mark_held_locks+0x130/0x130
[  717.074459]  ? mark_held_locks+0x130/0x130
[  717.078705]  ? mark_held_locks+0xc7/0x130
[  717.082855]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  717.087871]  ? zap_class+0x640/0x640
[  717.091587]  ? print_usage_bug+0xc0/0xc0
[  717.095655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.101199]  ? check_preemption_disabled+0x48/0x280
[  717.106230]  ? __lock_is_held+0xb5/0x140
[  717.110312]  __alloc_pages_nodemask+0xa80/0xde0
[  717.114982]  ? zap_class+0x640/0x640
[  717.118703]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  717.123734]  ? find_held_lock+0x36/0x1c0
[  717.127809]  ? ____cache_alloc_node+0x1c7/0x1e0
[  717.132481]  ? lock_downgrade+0x900/0x900
[  717.136638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.142183]  cache_grow_begin+0xa5/0x8c0
[  717.146246]  ? do_raw_spin_unlock+0xa7/0x330
[  717.150668]  fallback_alloc+0x204/0x2e0
[  717.154654]  ____cache_alloc_node+0x1c7/0x1e0
[  717.159155]  kmem_cache_alloc_node+0xe3/0x730
[  717.163649]  ? ipv6_get_ifaddr+0x42e/0x620
[  717.167894]  __alloc_skb+0x119/0x770
[  717.171609]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  717.176890]  ? netdev_alloc_frag+0x1f0/0x1f0
[  717.181315]  ? lock_downgrade+0x900/0x900
[  717.185474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.191016]  ? refcount_sub_and_test_checked+0x203/0x310
[  717.196476]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  717.201930]  ? addrconf_rs_timer+0x690/0x690
[  717.206353]  ndisc_alloc_skb+0x144/0x340
[  717.210421]  ndisc_send_rs+0x331/0x6e0
[  717.214328]  addrconf_rs_timer+0x314/0x690
[  717.218571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  717.222819]  call_timer_fn+0x272/0x920
[  717.226711]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  717.230965]  ? process_timeout+0x40/0x40
[  717.235037]  ? __run_timers+0x7da/0xc70
[  717.239017]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.243515]  ? _raw_spin_unlock_irq+0x27/0x80
[  717.248013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  717.252269]  ? lockdep_hardirqs_on+0x296/0x5b0
[  717.256871]  ? trace_hardirqs_on+0xbd/0x310
[  717.261194]  ? kasan_check_read+0x11/0x20
[  717.265341]  ? __run_timers+0x7da/0xc70
[  717.269330]  ? trace_hardirqs_off_caller+0x310/0x310
[  717.274443]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  717.278693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  717.282927]  __run_timers+0x7e5/0xc70
[  717.286740]  ? timer_fixup_init+0x70/0x70
[  717.290894]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  717.295917]  ? zap_class+0x640/0x640
[  717.299645]  ? enqueue_hrtimer+0x1a5/0x560
[  717.303881]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  717.309085]  ? find_held_lock+0x36/0x1c0
[  717.313154]  ? zap_class+0x640/0x640
[  717.316895]  ? pvclock_read_flags+0x160/0x160
[  717.321398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.326937]  ? check_preemption_disabled+0x48/0x280
[  717.331969]  ? __lock_is_held+0xb5/0x140
[  717.336040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.341579]  ? check_preemption_disabled+0x48/0x280
[  717.346604]  run_timer_softirq+0x52/0xb0
[  717.350666]  ? rcu_read_lock_sched_held+0x14f/0x180
[  717.355691]  __do_softirq+0x308/0xb7e
[  717.359496]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  717.363990]  ? lock_downgrade+0x900/0x900
[  717.368146]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  717.373264]  ? pvclock_read_flags+0x160/0x160
[  717.377777]  ? lapic_next_event+0x5a/0x90
[  717.381930]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.387484]  ? kvm_clock_read+0x18/0x30
[  717.391463]  ? kvm_sched_clock_read+0x9/0x20
[  717.395881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.401422]  ? check_preemption_disabled+0x48/0x280
[  717.406456]  irq_exit+0x17f/0x1c0
[  717.409916]  smp_apic_timer_interrupt+0x1cb/0x760
[  717.414766]  ? smp_call_function_single_interrupt+0x159/0x650
[  717.420651]  ? smp_call_function_single_interrupt+0x650/0x650
[  717.426539]  ? interrupt_entry+0xb5/0xc0
[  717.430604]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.435625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  717.440646]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.445492]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.450507]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.455527]  ? task_prio+0x50/0x50
[  717.459075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.464616]  ? check_preemption_disabled+0x48/0x280
[  717.469642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.474497]  apic_timer_interrupt+0xf/0x20
[  717.478726]  </IRQ>
[  717.480968] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  717.485899] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  717.504806] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  717.512518] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  717.519787] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  717.527058] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  717.534328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  717.541599] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  717.548917]  skb_clone+0x1bb/0x500
[  717.552462]  ? finish_task_switch+0x2f4/0x910
[  717.556957]  ? skb_split+0x11e0/0x11e0
[  717.560847]  ? preempt_notifier_register+0x200/0x200
[  717.565953]  ? __switch_to_asm+0x34/0x70
[  717.570015]  ? __switch_to_asm+0x34/0x70
[  717.574079]  ? __switch_to_asm+0x40/0x70
[  717.578142]  ? __switch_to_asm+0x34/0x70
[  717.582205]  ? __switch_to_asm+0x40/0x70
[  717.586268]  ? __switch_to_asm+0x34/0x70
[  717.590344]  ? __switch_to_asm+0x40/0x70
[  717.594406]  ? __switch_to_asm+0x34/0x70
[  717.598733]  ? __switch_to_asm+0x34/0x70
[  717.602794]  ? __switch_to_asm+0x40/0x70
[  717.606857]  ? __switch_to_asm+0x34/0x70
[  717.610927]  bpf_clone_redirect+0xb9/0x490
[  717.615165]  ? __schedule+0x8d7/0x21d0
[  717.619063]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  717.624082]  ? __sched_text_start+0x8/0x8
[  717.628265]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  717.632860]  ? retint_kernel+0x2d/0x2d
[  717.636751]  ? trace_hardirqs_on_caller+0xc0/0x310
[  717.641689]  ? find_held_lock+0x36/0x1c0
[  717.645764]  ? lock_acquire+0x1ed/0x520
[  717.649755]  ? bpf_test_run+0x3cb/0x780
[  717.653734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  717.659281]  ? check_preemption_disabled+0x48/0x280
[  717.664330]  ? kasan_check_read+0x11/0x20
[  717.668484]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  717.673768]  ? rcu_softirq_qs+0x20/0x20
[  717.677745]  ? preempt_schedule+0x4d/0x60
[  717.681901]  ? ___preempt_schedule+0x16/0x18
[  717.686342]  ? bpf_test_run+0x25d/0x780
[  717.690340]  ? netlink_diag_dump+0x2a0/0x2a0
[  717.694756]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.700310]  ? bpf_test_init.isra.10+0x70/0x100
[  717.704991]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  717.710452]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  717.715307]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  717.721350]  ? fput+0x130/0x1a0
[  717.724635]  ? __bpf_prog_get+0x9b/0x290
[  717.728699]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  717.733540]  ? bpf_prog_test_run+0x130/0x1a0
[  717.737958]  ? __x64_sys_bpf+0x3d8/0x520
[  717.742018]  ? bpf_prog_get+0x20/0x20
[  717.745843]  ? do_syscall_64+0x1b9/0x820
[  717.749910]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  717.755278]  ? syscall_return_slowpath+0x5e0/0x5e0
[  717.760228]  ? trace_hardirqs_on_caller+0x310/0x310
[  717.765250]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  717.770268]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  717.776952]  ? __switch_to_asm+0x40/0x70
[  717.781015]  ? __switch_to_asm+0x34/0x70
[  717.785087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  717.789944]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  717.795342] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  717.795375] rcu: INFO: rcu_preempt self-detected stall on CPU
[  717.801929] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  717.801937] Call Trace:
[  717.808060] rcu: 	0-...!: (88 ticks this GP) idle=ed6/1/0x4000000000000004 softirq=74976/74976 fqs=4 
[  717.817149]  <IRQ>
[  717.817170]  dump_stack+0x244/0x39d
[  717.817188]  ? dump_stack_print_info.cold.1+0x20/0x20
[  717.817213]  warn_alloc.cold.116+0xb7/0x1bd
[  717.817227]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  717.817247]  ? lock_downgrade+0x900/0x900
[  717.817270]  ? trace_hardirqs_off+0xb8/0x310
[  717.817302]  ? trace_hardirqs_off+0xb8/0x310
[  717.817325]  __alloc_pages_slowpath+0x26e8/0x2e10
[  717.817368]  ? warn_alloc+0x120/0x120
[  717.817384]  ? print_usage_bug+0xc0/0xc0
[  717.820181] rcu: 	 (t=10561 jiffies g=85457 q=3)
[  717.829541]  ? warn_alloc+0x120/0x120
[  717.831683] rcu: rcu_preempt kthread starved for 10006 jiffies! g85457 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  717.835301]  ? warn_alloc+0x120/0x120
[  717.840472] rcu: RCU grace-period kthread stack dump:
[  717.844788]  ? print_usage_bug+0xc0/0xc0
[  717.849627] rcu_preempt     R  running task    21384    10      2 0x80000000
[  717.853769]  ? print_usage_bug+0xc0/0xc0
[  717.858155] Call Trace:
[  717.862558]  ? __lock_acquire+0x62f/0x4c20
[  717.867867]  __schedule+0x8cf/0x21d0
[  717.871663]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  717.875705]  ? __sched_text_start+0x8/0x8
[  717.880447]  ? should_fail+0x22d/0xd01
[  717.884237]  ? add_timer_on+0xa20/0xa20
[  717.894705]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.898492]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  717.903664]  ? __lock_acquire+0x62f/0x4c20
[  717.907713]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  717.914885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  717.918930]  ? trace_hardirqs_on+0xbd/0x310
[  717.921500]  ? __lock_acquire+0x62f/0x4c20
[  717.925728]  ? kasan_check_read+0x11/0x20
[  717.929421]  ? should_fail+0x22d/0xd01
[  717.934942]  ? prepare_to_swait_event+0x25a/0x800
[  717.939071]  ? find_held_lock+0x36/0x1c0
[  717.942944]  ? trace_hardirqs_off_caller+0x310/0x310
[  717.946907]  ? mark_held_locks+0x130/0x130
[  717.951992]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  717.957082]  ? mark_held_locks+0x130/0x130
[  717.961316]  schedule+0xfe/0x460
[  717.966397]  ? zap_class+0x640/0x640
[  717.971506]  ? __schedule+0x21d0/0x21d0
[  717.975812]  ? zap_class+0x640/0x640
[  717.980036]  ? prepare_to_swait_event+0x25a/0x800
[  717.984165]  ? print_usage_bug+0xc0/0xc0
[  717.988041]  ? __init_swait_queue_head+0x150/0x150
[  717.992862]  ? do_raw_spin_unlock+0xa7/0x330
[  717.996905]  ? __lockdep_init_map+0x105/0x590
[  718.001994]  ? zap_class+0x640/0x640
[  718.006212]  ? lockdep_init_map+0x9/0x10
[  718.011315]  ? print_usage_bug+0xc0/0xc0
[  718.015541]  schedule_timeout+0x140/0x260
[  718.018892]  ? wq_watchdog_touch+0x9c/0xfe
[  718.022590]  ? usleep_range+0x1a0/0x1a0
[  718.026553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.030246]  ? __next_timer_interrupt+0x1a0/0x1a0
[  718.035080]  ? check_preemption_disabled+0x48/0x280
[  718.039140]  rcu_gp_fqs_loop+0x762/0xa80
[  718.044052]  ? __lock_is_held+0xb5/0x140
[  718.048446]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  718.052923]  __alloc_pages_nodemask+0xa80/0xde0
[  718.056623]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.060669]  ? zap_class+0x640/0x640
[  718.064715]  ? perf_trace_sched_process_exec+0x860/0x860
[  718.068852]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  718.073068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.077032]  ? find_held_lock+0x36/0x1c0
[  718.082550]  ? rcu_gp_init+0x90b/0x1260
[  718.087387]  ? ____cache_alloc_node+0x1c7/0x1e0
[  718.092383]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  718.096427]  ? lock_downgrade+0x900/0x900
[  718.100475]  ? rcu_accelerate_cbs+0x10a/0xae0
[  718.105217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.109869]  ? zap_class+0x640/0x640
[  718.114962]  cache_grow_begin+0xa5/0x8c0
[  718.118662]  ? zap_class+0x640/0x640
[  718.124100]  ? do_raw_spin_unlock+0xa7/0x330
[  718.129108]  ? __lock_is_held+0xb5/0x140
[  718.134626]  fallback_alloc+0x204/0x2e0
[  718.138671]  ? __lock_is_held+0xb5/0x140
[  718.142631]  ____cache_alloc_node+0x1c7/0x1e0
[  718.147284]  ? zap_class+0x640/0x640
[  718.152036]  kmem_cache_alloc_node+0xe3/0x730
[  718.156171]  ? rcu_accelerate_cbs+0x10a/0xae0
[  718.160652]  ? ipv6_get_ifaddr+0x42e/0x620
[  718.166180]  ? find_held_lock+0x36/0x1c0
[  718.169880]  __alloc_skb+0x119/0x770
[  718.173942]  ? rcu_gp_kthread+0x8cf/0xc70
[  718.177638]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.182033]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.186077]  ? netdev_alloc_frag+0x1f0/0x1f0
[  718.190038]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.194089]  ? lock_downgrade+0x900/0x900
[  718.198574]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  718.202295]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.206777]  ? trace_hardirqs_on+0xbd/0x310
[  718.211273]  ? refcount_sub_and_test_checked+0x203/0x310
[  718.215505]  ? kasan_check_read+0x11/0x20
[  718.219554]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  718.223251]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.227385]  ? addrconf_rs_timer+0x690/0x690
[  718.232646]  ? perf_trace_sched_process_exec+0x860/0x860
[  718.237133]  ndisc_alloc_skb+0x144/0x340
[  718.241518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.245996]  ndisc_send_rs+0x331/0x6e0
[  718.250130]  rcu_gp_kthread+0x341/0xc70
[  718.254697]  addrconf_rs_timer+0x314/0x690
[  718.260216]  ? rcu_gp_init+0x1260/0x1260
[  718.264528]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.270007]  ? mark_held_locks+0x130/0x130
[  718.274144]  call_timer_fn+0x272/0x920
[  718.279575]  ? __schedule+0x168a/0x21d0
[  718.284659]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.289052]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.294482]  ? process_timeout+0x40/0x40
[  718.298531]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  718.304060]  ? mark_held_locks+0xc7/0x130
[  718.307928]  ? trace_hardirqs_on+0xbd/0x310
[  718.311887]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.316106]  ? kasan_check_read+0x11/0x20
[  718.320152]  ? _raw_spin_unlock_irq+0x27/0x80
[  718.324368]  ? __schedule+0x168a/0x21d0
[  718.328591]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.332464]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.336427]  ? lockdep_hardirqs_on+0x296/0x5b0
[  718.340651]  ? lock_pin_lock+0x350/0x350
[  718.345134]  ? trace_hardirqs_on+0xbd/0x310
[  718.349188]  ? _raw_spin_unlock_irq+0x60/0x80
[  718.353743]  ? kasan_check_read+0x11/0x20
[  718.353758]  ? __run_timers+0x7da/0xc70
[  718.357892]  ? __schedule+0x168a/0x21d0
[  718.362201]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.366683]  ? __switch_to_asm+0x40/0x70
[  718.370819]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.375308]  ? __switch_to_asm+0x40/0x70
[  718.379259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  718.383479]  ? cpuacct_cpuusage_read.isra.5+0xc1/0xf0
[  718.388563]  __run_timers+0x7e5/0xc70
[  718.393133]  ? __sched_text_start+0x8/0x8
[  718.397184]  ? timer_fixup_init+0x70/0x70
[  718.401488]  ? find_held_lock+0x36/0x1c0
[  718.405967]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  718.410104]  ? __kthread_parkme+0xce/0x1a0
[  718.414053]  ? zap_class+0x640/0x640
[  718.418011]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  718.423096]  ? print_usage_bug+0xc0/0xc0
[  718.427145]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  718.431364]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  718.435408]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  718.439632]  ? find_held_lock+0x36/0x1c0
[  718.444802]  ? trace_hardirqs_on+0xbd/0x310
[  718.448590]  ? zap_class+0x640/0x640
[  718.452727]  ? kasan_check_read+0x11/0x20
[  718.456858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.460902]  ? __kthread_parkme+0xce/0x1a0
[  718.465902]  ? check_preemption_disabled+0x48/0x280
[  718.470119]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.473828]  ? __lock_is_held+0xb5/0x140
[  718.478923]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  718.482962]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.488048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.493223]  ? check_preemption_disabled+0x48/0x280
[  718.497788]  ? __kthread_parkme+0xfb/0x1a0
[  718.501841]  run_timer_softirq+0x52/0xb0
[  718.506147]  ? rcu_gp_init+0x1260/0x1260
[  718.509846]  ? rcu_read_lock_sched_held+0x14f/0x180
[  718.513979]  kthread+0x35a/0x440
[  718.519502]  __do_softirq+0x308/0xb7e
[  718.523737]  ? kthread_stop+0x900/0x900
[  718.528742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  718.533829]  ret_from_fork+0x3a/0x50
[  718.537876]  ? lock_downgrade+0x900/0x900
[  718.542971] NMI backtrace for cpu 0
[  718.548484]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  718.608455]  ? pvclock_read_flags+0x160/0x160
[  718.612957]  ? lapic_next_event+0x5a/0x90
[  718.617109]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.622655]  ? kvm_clock_read+0x18/0x30
[  718.626629]  ? kvm_sched_clock_read+0x9/0x20
[  718.631045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.636586]  ? check_preemption_disabled+0x48/0x280
[  718.641616]  irq_exit+0x17f/0x1c0
[  718.645075]  smp_apic_timer_interrupt+0x1cb/0x760
[  718.649920]  ? smp_reschedule_interrupt+0x109/0x650
[  718.654942]  ? smp_call_function_single_interrupt+0x650/0x650
[  718.660833]  ? interrupt_entry+0xb5/0xc0
[  718.664921]  ? trace_hardirqs_off_caller+0xbb/0x310
[  718.669946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  718.674970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.679821]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.684839]  ? trace_hardirqs_on_caller+0x310/0x310
[  718.689861]  ? task_prio+0x50/0x50
[  718.693407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.698949]  ? check_preemption_disabled+0x48/0x280
[  718.703975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  718.708832]  apic_timer_interrupt+0xf/0x20
[  718.713061]  </IRQ>
[  718.715308] RIP: 0010:dump_stack+0x358/0x39d
[  718.719721] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  718.738636] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  718.746355] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  718.753626] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  718.760899] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  718.768183] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  718.775453] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  718.782748]  ? dump_stack+0x34f/0x39d
[  718.786569]  ? dump_stack_print_info.cold.1+0x20/0x20
[  718.791765]  ? mark_held_locks+0x130/0x130
[  718.796006]  ? mark_held_locks+0x130/0x130
[  718.800252]  dump_header+0x27b/0xf72
[  718.803996]  ? pagefault_out_of_memory+0x197/0x197
[  718.808940]  ? __lock_acquire+0x62f/0x4c20
[  718.813184]  ? percpu_ref_get_many+0x240/0x240
[  718.817774]  ? print_usage_bug+0xc0/0xc0
[  718.821851]  ? zap_class+0x640/0x640
[  718.825569]  ? print_usage_bug+0xc0/0xc0
[  718.829631]  ? print_usage_bug+0xc0/0xc0
[  718.833697]  ? zap_class+0x640/0x640
[  718.837416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  718.842964]  ? find_held_lock+0x36/0x1c0
[  718.847037]  ? mark_held_locks+0xc7/0x130
[  718.851198]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  718.856777]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  718.861892]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  718.866478]  ? trace_hardirqs_on+0xbd/0x310
[  718.870806]  ? kasan_check_read+0x11/0x20
[  718.874954]  ? ___ratelimit+0x3b4/0x672
[  718.878932]  ? trace_hardirqs_off_caller+0x310/0x310
[  718.884037]  ? trace_hardirqs_on+0x310/0x310
[  718.888450]  ? lock_downgrade+0x900/0x900
[  718.892611]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  718.897715]  ? ___ratelimit+0x3b9/0x672
[  718.901695]  ? idr_get_free+0xf70/0xf70
[  718.905672]  ? find_held_lock+0x36/0x1c0
[  718.909745]  oom_kill_process.cold.27+0x10/0x903
[  718.914511]  ? zap_class+0x640/0x640
[  718.918227]  ? check_preemption_disabled+0x48/0x280
[  718.923254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  718.928190]  ? kasan_check_read+0x11/0x20
[  718.932339]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.937622]  ? oom_evaluate_task+0x540/0x540
[  718.942037]  ? find_held_lock+0x36/0x1c0
[  718.946111]  ? out_of_memory+0x974/0x1430
[  718.950266]  ? lock_downgrade+0x900/0x900
[  718.954428]  ? check_preemption_disabled+0x48/0x280
[  718.959450]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  718.964380]  ? kasan_check_read+0x11/0x20
[  718.968528]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  718.973812]  ? rcu_softirq_qs+0x20/0x20
[  718.977795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  718.983345]  ? oom_evaluate_task+0x302/0x540
[  718.987759]  out_of_memory+0xa84/0x1430
[  718.991748]  ? oom_killer_disable+0x3a0/0x3a0
[  718.996249]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  719.001186]  ? __ww_mutex_check_waiters+0x160/0x160
[  719.006219]  __alloc_pages_slowpath+0x2354/0x2e10
[  719.011097]  ? warn_alloc+0x120/0x120
[  719.014900]  ? mark_held_locks+0x130/0x130
[  719.019143]  ? find_get_entry+0xaae/0x1120
[  719.023394]  ? filemap_map_pages+0x1a20/0x1a20
[  719.027983]  ? zap_class+0x640/0x640
[  719.032325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.037867]  ? check_preemption_disabled+0x48/0x280
[  719.042886]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.048425]  ? should_fail+0x22d/0xd01
[  719.052326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  719.057438]  ? zap_class+0x640/0x640
[  719.061184]  ? __lock_is_held+0xb5/0x140
[  719.065259]  ? mark_held_locks+0x130/0x130
[  719.069505]  ? lock_release+0xa00/0xa00
[  719.073484]  ? perf_trace_sched_process_exec+0x860/0x860
[  719.078936]  ? xa_load+0x2ba/0x460
[  719.082485]  ? lock_downgrade+0x900/0x900
[  719.086639]  ? __might_sleep+0x95/0x190
[  719.090624]  __alloc_pages_nodemask+0xa80/0xde0
[  719.095320]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  719.100355]  ? __page_cache_alloc+0x191/0x5c0
[  719.104851]  ? xa_load+0x2e1/0x460
[  719.108395]  ? xa_clear_mark+0x40/0x40
[  719.112299]  ? zap_class+0x640/0x640
[  719.116025]  ? zap_class+0x640/0x640
[  719.119740]  ? zap_class+0x640/0x640
[  719.123459]  ? __do_page_cache_readahead+0x663/0x810
[  719.128572]  ? find_held_lock+0x36/0x1c0
[  719.132641]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  719.138190]  alloc_pages_current+0x173/0x350
[  719.142614]  __page_cache_alloc+0x38c/0x5c0
[  719.146939]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  719.151876]  ? kasan_check_read+0x11/0x20
[  719.156029]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  719.161332]  ? generic_perform_write+0x6a0/0x6a0
[  719.166096]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.171636]  ? check_preemption_disabled+0x48/0x280
[  719.176665]  filemap_fault+0x1595/0x25f0
[  719.180746]  ? __lock_page_or_retry+0xa00/0xa00
[  719.185421]  ? mark_held_locks+0x130/0x130
[  719.189666]  ? filemap_map_pages+0xd6b/0x1a20
[  719.194165]  ? lock_downgrade+0x900/0x900
[  719.198322]  ? check_preemption_disabled+0x48/0x280
[  719.203348]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  719.208280]  ? kasan_check_read+0x11/0x20
[  719.212442]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  719.217720]  ? rcu_softirq_qs+0x20/0x20
[  719.221710]  ? filemap_map_pages+0xd92/0x1a20
[  719.226211]  ? print_usage_bug+0xc0/0xc0
[  719.230280]  ? find_get_entries_tag+0x1400/0x1400
[  719.235141]  ? __kasan_slab_free+0x102/0x150
[  719.239553]  ? kasan_slab_free+0xe/0x10
[  719.243528]  ? kmem_cache_free+0x83/0x290
[  719.247683]  ? __sigqueue_free.part.29+0x74/0x90
[  719.252469]  ? lock_acquire+0x1ed/0x520
[  719.256447]  ? ext4_filemap_fault+0x7a/0xad
[  719.260883]  ? lock_release+0xa00/0xa00
[  719.264861]  ? perf_trace_sched_process_exec+0x860/0x860
[  719.270325]  ? print_usage_bug+0xc0/0xc0
[  719.274392]  ? print_usage_bug+0xc0/0xc0
[  719.278469]  ? down_read+0x8d/0x120
[  719.282098]  ? ext4_filemap_fault+0x7a/0xad
[  719.286422]  ? __down_interruptible+0x700/0x700
[  719.291105]  ext4_filemap_fault+0x82/0xad
[  719.295257]  __do_fault+0x100/0x6b0
[  719.298907]  ? pmd_devmap_trans_unstable+0x220/0x220
[  719.304026]  ? mark_held_locks+0x130/0x130
[  719.308295]  ? mark_held_locks+0x130/0x130
[  719.312538]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  719.318091]  ? rcu_pm_notify+0xc0/0xc0
[  719.322017]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.327577]  __handle_mm_fault+0x3ea6/0x5be0
[  719.332010]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  719.336861]  ? _raw_spin_unlock_irq+0x27/0x80
[  719.341369]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  719.345957]  ? trace_hardirqs_on+0xbd/0x310
[  719.350283]  ? kasan_check_read+0x11/0x20
[  719.354444]  ? __set_current_blocked+0xdf/0x120
[  719.359120]  ? trace_hardirqs_off_caller+0x310/0x310
[  719.364339]  ? zap_class+0x640/0x640
[  719.368058]  ? zap_class+0x640/0x640
[  719.371781]  ? find_held_lock+0x36/0x1c0
[  719.375860]  ? handle_mm_fault+0x42a/0xc70
[  719.380100]  ? lock_downgrade+0x900/0x900
[  719.384252]  ? check_preemption_disabled+0x48/0x280
[  719.389278]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  719.394220]  ? kasan_check_read+0x11/0x20
[  719.398371]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  719.403667]  ? rcu_softirq_qs+0x20/0x20
[  719.407647]  ? trace_hardirqs_off_caller+0x310/0x310
[  719.412753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  719.418305]  ? check_preemption_disabled+0x48/0x280
[  719.423358]  handle_mm_fault+0x54f/0xc70
[  719.427430]  ? __handle_mm_fault+0x5be0/0x5be0
[  719.432020]  ? find_vma+0x34/0x190
[  719.435569]  __do_page_fault+0x5e8/0xe60
[  719.439636]  ? exit_to_usermode_loop+0x1f4/0x380
[  719.444408]  do_page_fault+0xf2/0x7e0
[  719.448211]  ? vmalloc_sync_all+0x30/0x30
[  719.452364]  ? error_entry+0x70/0xd0
[  719.456081]  ? trace_hardirqs_off_caller+0xbb/0x310
[  719.461097]  ? trace_hardirqs_on_caller+0xc0/0x310
[  719.466031]  ? syscall_return_slowpath+0x5e0/0x5e0
[  719.470963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  719.475815]  ? trace_hardirqs_on_caller+0x310/0x310
[  719.480835]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  719.486301]  ? prepare_exit_to_usermode+0x291/0x3b0
[  719.491324]  ? page_fault+0x8/0x30
[  719.494870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  719.499717]  ? page_fault+0x8/0x30
[  719.503260]  page_fault+0x1e/0x30
[  719.506722] RIP: 0033:0x45db60
[  719.509926] Code: Bad RIP value.
[  719.513286] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  719.518654] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  719.525921] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  719.533194] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  719.540465] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  719.547734] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  719.555031] warn_alloc_show_mem: 1 callbacks suppressed
[  719.555043] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  719.555045] Mem-Info:
[  719.555076] active_anon:45842 inactive_anon:131 isolated_anon:0
[  719.555076]  active_file:10 inactive_file:14 isolated_file:0
[  719.555076]  unevictable:0 dirty:0 writeback:0 unstable:0
[  719.555076]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  719.555076]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  719.555076]  free:13767 free_pcp:218 free_cma:0
[  719.560418] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  719.567354] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  719.569757] Call Trace:
[  719.602639] 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
[  719.611994]  <IRQ>
[  719.639482] lowmem_reserve[]: 0 2818 6321 6321
[  719.642090]  dump_stack+0x244/0x39d
[  719.668184] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  719.670346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  719.674892] lowmem_reserve[]: 0 0 3503 3503
[  719.678518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.705830] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  719.711034]  ? do_raw_spin_lock+0x14f/0x350
[  719.715332] lowmem_reserve[]: 0 0 0 0
[  719.721363]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  719.750253] 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
[  719.754584]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  719.758352] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  719.763018]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  719.776517] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  719.781710]  arch_trigger_cpumask_backtrace+0x14/0x20
[  719.797472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  719.802740]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  719.817546] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  719.822735]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  719.831540] 162 total pagecache pages
[  719.835941]  ? print_other_cpu_stall+0x160/0x160
[  719.844499] 0 pages in swap cache
[  719.849244]  ? print_usage_bug+0xc0/0xc0
[  719.853021] Swap cache stats: add 0, delete 0, find 0/0
[  719.857770]  ? kasan_check_read+0x11/0x20
[  719.861197] Free swap  = 0kB
[  719.865251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.870590] Total swap = 0kB
[  719.874734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.877729] 1965979 pages RAM
[  719.883259]  ? do_trace_rcu_torture_read+0x10/0x10
[  719.886254] 0 pages HighMem/MovableOnly
[  719.891791]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  719.894875] 342855 pages reserved
[  719.899823]  ? __lock_is_held+0xb5/0x140
[  719.903773] 0 pages cma reserved
[  719.909044]  ? __rcu_read_lock+0x50/0x50
[  719.912535] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  719.916520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.916536]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.916557]  ? check_preemption_disabled+0x48/0x280
[  719.919959] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  719.923958]  rcu_check_callbacks+0xf3b/0x13f0
[  719.930428] syz-fuzzer cpuset=/ mems_allowed=0
[  719.935970]  ? rcutree_dead_cpu+0x10/0x10
[  719.969877]  ? lock_downgrade+0x900/0x900
[  719.974034]  ? lock_release+0x920/0xa00
[  719.978026]  ? zap_class+0x640/0x640
[  719.981742]  ? zap_class+0x640/0x640
[  719.985461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  719.991069]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  719.995659]  ? kvm_set_tsc_khz+0x540/0x540
[  719.999897]  ? warn_alloc.cold.116+0xd1/0x1bd
[  720.004403]  ? find_held_lock+0x36/0x1c0
[  720.008472]  ? zap_class+0x640/0x640
[  720.012186]  ? timekeeping_advance+0x3cc/0xc00
[  720.016777]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.022326]  ? check_preemption_disabled+0x48/0x280
[  720.027358]  ? trace_hardirqs_off+0xb8/0x310
[  720.031770]  ? __lock_is_held+0xb5/0x140
[  720.035832]  ? trace_hardirqs_on+0x310/0x310
[  720.040248]  ? check_preemption_disabled+0x48/0x280
[  720.045277]  ? raise_softirq+0x199/0x420
[  720.049356]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  720.054033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.059576]  ? check_preemption_disabled+0x48/0x280
[  720.064599]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  720.070139]  ? hrtimer_run_queues+0x9a/0x400
[  720.074554]  ? run_local_timers+0x19b/0x230
[  720.078877]  ? timer_clear_idle+0x90/0x90
[  720.083024]  ? debug_smp_processor_id+0x1c/0x20
[  720.087695]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  720.093674]  ? account_process_tick+0x282/0x350
[  720.098355]  update_process_times+0x2d/0x70
[  720.102733]  tick_sched_handle+0x9f/0x180
[  720.106889]  tick_sched_timer+0x45/0x130
[  720.110956]  __hrtimer_run_queues+0x41c/0x10d0
[  720.115548]  ? tick_sched_do_timer+0x1a0/0x1a0
[  720.120136]  ? hrtimer_start_range_ns+0xe00/0xe00
[  720.124993]  ? pvclock_read_flags+0x160/0x160
[  720.129495]  ? trace_hardirqs_on+0x310/0x310
[  720.133915]  ? kvm_clock_read+0x18/0x30
[  720.137898]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  720.142915]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  720.148286]  ? do_timer+0x50/0x50
[  720.151756]  ? rwlock_bug.part.2+0x90/0x90
[  720.155991]  ? trace_hardirqs_on+0x310/0x310
[  720.160403]  ? rcu_softirq_qs+0x20/0x20
[  720.164393]  hrtimer_interrupt+0x313/0x780
[  720.168654]  smp_apic_timer_interrupt+0x1a1/0x760
[  720.173505]  ? smp_call_function_single_interrupt+0x650/0x650
[  720.179391]  ? interrupt_entry+0xb5/0xc0
[  720.183454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.188474]  ? ____cache_alloc_node+0x1c7/0x1e0
[  720.193150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.197994]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.203026]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.207880]  apic_timer_interrupt+0xf/0x20
[  720.212120] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  720.217484] Code: 3f 7e 0f 85 32 ff ff ff e8 55 33 3e ff e9 28 ff ff ff e8 0c 57 c3 ff 48 83 3d d4 b0 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 a2 3b
[  720.236383] RSP: 0018:ffff8801dae07450 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  720.244091] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003754e161
[  720.251362] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  720.258651] RBP: ffff8801dae074c0 R08: ffff8801baa70b08 R09: 0000000000000002
[  720.265919] R10: 0000000000000000 R11: ffff8801baa70240 R12: ffff8801d9bcc600
[  720.273187] R13: ffff8801d9bcc600 R14: 0000000000000000 R15: 0000000000000286
[  720.280470]  ? apic_timer_interrupt+0xa/0x20
[  720.284903]  ? ipv6_get_ifaddr+0x42e/0x620
[  720.289157]  __alloc_skb+0x119/0x770
[  720.292872]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.298155]  ? netdev_alloc_frag+0x1f0/0x1f0
[  720.302566]  ? lock_downgrade+0x900/0x900
[  720.306725]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.312269]  ? refcount_sub_and_test_checked+0x203/0x310
[  720.317737]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  720.323209]  ? addrconf_rs_timer+0x690/0x690
[  720.327633]  ndisc_alloc_skb+0x144/0x340
[  720.331700]  ndisc_send_rs+0x331/0x6e0
[  720.335594]  addrconf_rs_timer+0x314/0x690
[  720.339836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.344100]  call_timer_fn+0x272/0x920
[  720.347989]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.352224]  ? process_timeout+0x40/0x40
[  720.356307]  ? __run_timers+0x7da/0xc70
[  720.360333]  ? _raw_spin_unlock_irq+0x27/0x80
[  720.364833]  ? _raw_spin_unlock_irq+0x27/0x80
[  720.369330]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.373572]  ? lockdep_hardirqs_on+0x296/0x5b0
[  720.378157]  ? trace_hardirqs_on+0xbd/0x310
[  720.382480]  ? kasan_check_read+0x11/0x20
[  720.386633]  ? __run_timers+0x7da/0xc70
[  720.390611]  ? trace_hardirqs_off_caller+0x310/0x310
[  720.395723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.399964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  720.404197]  __run_timers+0x7e5/0xc70
[  720.408010]  ? timer_fixup_init+0x70/0x70
[  720.412163]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  720.417182]  ? zap_class+0x640/0x640
[  720.420902]  ? enqueue_hrtimer+0x1a5/0x560
[  720.425141]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  720.430345]  ? find_held_lock+0x36/0x1c0
[  720.434416]  ? zap_class+0x640/0x640
[  720.438140]  ? pvclock_read_flags+0x160/0x160
[  720.442642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.448180]  ? check_preemption_disabled+0x48/0x280
[  720.453207]  ? __lock_is_held+0xb5/0x140
[  720.457272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.462823]  ? check_preemption_disabled+0x48/0x280
[  720.467846]  run_timer_softirq+0x52/0xb0
[  720.471913]  ? rcu_read_lock_sched_held+0x14f/0x180
[  720.476934]  __do_softirq+0x308/0xb7e
[  720.480742]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  720.485238]  ? lock_downgrade+0x900/0x900
[  720.489395]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  720.494509]  ? pvclock_read_flags+0x160/0x160
[  720.499012]  ? lapic_next_event+0x5a/0x90
[  720.503167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.508710]  ? kvm_clock_read+0x18/0x30
[  720.512684]  ? kvm_sched_clock_read+0x9/0x20
[  720.517097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.522638]  ? check_preemption_disabled+0x48/0x280
[  720.527669]  irq_exit+0x17f/0x1c0
[  720.531123]  smp_apic_timer_interrupt+0x1cb/0x760
[  720.535982]  ? smp_call_function_single_interrupt+0x159/0x650
[  720.541867]  ? smp_call_function_single_interrupt+0x650/0x650
[  720.547756]  ? interrupt_entry+0xb5/0xc0
[  720.551821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.556857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  720.561876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.566720]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.571741]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.576757]  ? task_prio+0x50/0x50
[  720.580314]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.585872]  ? check_preemption_disabled+0x48/0x280
[  720.590900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.595751]  apic_timer_interrupt+0xf/0x20
[  720.599982]  </IRQ>
[  720.602229] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  720.607160] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  720.626149] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  720.633859] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  720.641125] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  720.648397] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  720.655666] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  720.662933] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  720.670264]  skb_clone+0x1bb/0x500
[  720.673825]  ? finish_task_switch+0x2f4/0x910
[  720.678337]  ? skb_split+0x11e0/0x11e0
[  720.682251]  ? preempt_notifier_register+0x200/0x200
[  720.687359]  ? __switch_to_asm+0x34/0x70
[  720.691423]  ? __switch_to_asm+0x34/0x70
[  720.695487]  ? __switch_to_asm+0x40/0x70
[  720.699550]  ? __switch_to_asm+0x34/0x70
[  720.703615]  ? __switch_to_asm+0x40/0x70
[  720.707675]  ? __switch_to_asm+0x34/0x70
[  720.711737]  ? __switch_to_asm+0x40/0x70
[  720.715798]  ? __switch_to_asm+0x34/0x70
[  720.719862]  ? __switch_to_asm+0x34/0x70
[  720.723927]  ? __switch_to_asm+0x40/0x70
[  720.728007]  ? __switch_to_asm+0x34/0x70
[  720.732083]  bpf_clone_redirect+0xb9/0x490
[  720.736334]  ? __schedule+0x8d7/0x21d0
[  720.740231]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  720.745253]  ? __sched_text_start+0x8/0x8
[  720.749409]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  720.753993]  ? retint_kernel+0x2d/0x2d
[  720.757883]  ? trace_hardirqs_on_caller+0xc0/0x310
[  720.762836]  ? find_held_lock+0x36/0x1c0
[  720.766909]  ? lock_acquire+0x1ed/0x520
[  720.770890]  ? bpf_test_run+0x3cb/0x780
[  720.774870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  720.780411]  ? check_preemption_disabled+0x48/0x280
[  720.785441]  ? kasan_check_read+0x11/0x20
[  720.789589]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  720.794869]  ? rcu_softirq_qs+0x20/0x20
[  720.798847]  ? preempt_schedule+0x4d/0x60
[  720.803018]  ? ___preempt_schedule+0x16/0x18
[  720.807434]  ? bpf_test_run+0x25d/0x780
[  720.811423]  ? netlink_diag_dump+0x2a0/0x2a0
[  720.815839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  720.821381]  ? bpf_test_init.isra.10+0x70/0x100
[  720.826058]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  720.830824]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  720.835668]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  720.841208]  ? fput+0x130/0x1a0
[  720.844491]  ? __bpf_prog_get+0x9b/0x290
[  720.848557]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  720.853570]  ? bpf_prog_test_run+0x130/0x1a0
[  720.857984]  ? __x64_sys_bpf+0x3d8/0x520
[  720.862044]  ? bpf_prog_get+0x20/0x20
[  720.865866]  ? do_syscall_64+0x1b9/0x820
[  720.869930]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  720.875311]  ? syscall_return_slowpath+0x5e0/0x5e0
[  720.880267]  ? trace_hardirqs_on_caller+0x310/0x310
[  720.885311]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  720.890334]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  720.897003]  ? __switch_to_asm+0x40/0x70
[  720.901063]  ? __switch_to_asm+0x34/0x70
[  720.905132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  720.909987]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  720.915375] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  720.915739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  720.921958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  720.921963] Call Trace:
[  720.921969]  <IRQ>
[  720.921987]  dump_stack+0x244/0x39d
[  720.922006]  ? dump_stack_print_info.cold.1+0x20/0x20
[  720.928564] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  720.937843]  warn_alloc.cold.116+0xb7/0x1bd
[  720.940399] syz-executor3 cpuset=syz3 mems_allowed=0
[  720.942542]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  720.976035]  ? lock_downgrade+0x900/0x900
[  720.980200]  ? trace_hardirqs_off+0xb8/0x310
[  720.984620]  ? trace_hardirqs_off+0xb8/0x310
[  720.989040]  __alloc_pages_slowpath+0x26e8/0x2e10
[  720.993927]  ? warn_alloc+0x120/0x120
[  720.997735]  ? print_usage_bug+0xc0/0xc0
[  721.001806]  ? warn_alloc+0x120/0x120
[  721.005615]  ? warn_alloc+0x120/0x120
[  721.009421]  ? print_usage_bug+0xc0/0xc0
[  721.013489]  ? print_usage_bug+0xc0/0xc0
[  721.017554]  ? __lock_acquire+0x62f/0x4c20
[  721.021797]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.027348]  ? should_fail+0x22d/0xd01
[  721.031244]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.036355]  ? __lock_acquire+0x62f/0x4c20
[  721.040603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.045705]  ? __lock_acquire+0x62f/0x4c20
[  721.049938]  ? should_fail+0x22d/0xd01
[  721.053832]  ? find_held_lock+0x36/0x1c0
[  721.057906]  ? mark_held_locks+0x130/0x130
[  721.062146]  ? mark_held_locks+0x130/0x130
[  721.066383]  ? zap_class+0x640/0x640
[  721.070102]  ? zap_class+0x640/0x640
[  721.073824]  ? print_usage_bug+0xc0/0xc0
[  721.077882]  ? do_raw_spin_unlock+0xa7/0x330
[  721.082313]  ? zap_class+0x640/0x640
[  721.086030]  ? print_usage_bug+0xc0/0xc0
[  721.090096]  ? wq_watchdog_touch+0x9c/0xfe
[  721.094336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.099882]  ? check_preemption_disabled+0x48/0x280
[  721.104913]  ? __lock_is_held+0xb5/0x140
[  721.108986]  __alloc_pages_nodemask+0xa80/0xde0
[  721.113657]  ? zap_class+0x640/0x640
[  721.117378]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  721.122408]  ? find_held_lock+0x36/0x1c0
[  721.126483]  ? ____cache_alloc_node+0x1c7/0x1e0
[  721.131156]  ? lock_downgrade+0x900/0x900
[  721.135322]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.140867]  cache_grow_begin+0xa5/0x8c0
[  721.144932]  ? do_raw_spin_unlock+0xa7/0x330
[  721.149350]  fallback_alloc+0x204/0x2e0
[  721.153333]  ____cache_alloc_node+0x1c7/0x1e0
[  721.157839]  kmem_cache_alloc_node+0xe3/0x730
[  721.162335]  ? ipv6_get_ifaddr+0x42e/0x620
[  721.166583]  __alloc_skb+0x119/0x770
[  721.170304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.175586]  ? netdev_alloc_frag+0x1f0/0x1f0
[  721.179997]  ? lock_downgrade+0x900/0x900
[  721.184161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.189701]  ? refcount_sub_and_test_checked+0x203/0x310
[  721.195157]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  721.200611]  ? addrconf_rs_timer+0x690/0x690
[  721.205036]  ndisc_alloc_skb+0x144/0x340
[  721.209102]  ndisc_send_rs+0x331/0x6e0
[  721.213003]  addrconf_rs_timer+0x314/0x690
[  721.217243]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.221493]  call_timer_fn+0x272/0x920
[  721.225385]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.229621]  ? process_timeout+0x40/0x40
[  721.233697]  ? mark_held_locks+0xc7/0x130
[  721.237854]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.242353]  ? _raw_spin_unlock_irq+0x27/0x80
[  721.246852]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.251091]  ? lockdep_hardirqs_on+0x296/0x5b0
[  721.255680]  ? trace_hardirqs_on+0xbd/0x310
[  721.260008]  ? kasan_check_read+0x11/0x20
[  721.264158]  ? __run_timers+0x7da/0xc70
[  721.268137]  ? trace_hardirqs_off_caller+0x310/0x310
[  721.273254]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  721.277492]  __run_timers+0x7e5/0xc70
[  721.281315]  ? timer_fixup_init+0x70/0x70
[  721.285474]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  721.290494]  ? zap_class+0x640/0x640
[  721.294214]  ? print_usage_bug+0xc0/0xc0
[  721.298282]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  721.303491]  ? find_held_lock+0x36/0x1c0
[  721.307565]  ? zap_class+0x640/0x640
[  721.311300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.316841]  ? check_preemption_disabled+0x48/0x280
[  721.321888]  ? __lock_is_held+0xb5/0x140
[  721.325953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.331494]  ? check_preemption_disabled+0x48/0x280
[  721.336520]  run_timer_softirq+0x52/0xb0
[  721.340588]  ? rcu_read_lock_sched_held+0x14f/0x180
[  721.345609]  __do_softirq+0x308/0xb7e
[  721.349415]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  721.353911]  ? lock_downgrade+0x900/0x900
[  721.358064]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  721.363181]  ? pvclock_read_flags+0x160/0x160
[  721.367684]  ? lapic_next_event+0x5a/0x90
[  721.371845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.377391]  ? kvm_clock_read+0x18/0x30
[  721.381382]  ? kvm_sched_clock_read+0x9/0x20
[  721.385820]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.391364]  ? check_preemption_disabled+0x48/0x280
[  721.396391]  irq_exit+0x17f/0x1c0
[  721.403240]  smp_apic_timer_interrupt+0x1cb/0x760
[  721.408084]  ? smp_reschedule_interrupt+0x109/0x650
[  721.413105]  ? smp_call_function_single_interrupt+0x650/0x650
[  721.419010]  ? interrupt_entry+0xb5/0xc0
[  721.423076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  721.428091]  ? trace_hardirqs_off_caller+0xbb/0x310
[  721.433112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  721.437956]  ? trace_hardirqs_on_caller+0x310/0x310
[  721.442972]  ? trace_hardirqs_on_caller+0x310/0x310
[  721.447989]  ? task_prio+0x50/0x50
[  721.451537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.457077]  ? check_preemption_disabled+0x48/0x280
[  721.462106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  721.466959]  apic_timer_interrupt+0xf/0x20
[  721.471188]  </IRQ>
[  721.473428] RIP: 0010:dump_stack+0x358/0x39d
[  721.477841] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  721.496742] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  721.504452] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  721.511720] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  721.518990] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  721.526258] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  721.533529] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  721.540829]  ? dump_stack+0x34f/0x39d
[  721.544649]  ? dump_stack_print_info.cold.1+0x20/0x20
[  721.549844]  ? mark_held_locks+0x130/0x130
[  721.554082]  ? mark_held_locks+0x130/0x130
[  721.558327]  dump_header+0x27b/0xf72
[  721.562061]  ? pagefault_out_of_memory+0x197/0x197
[  721.567015]  ? __lock_acquire+0x62f/0x4c20
[  721.571254]  ? percpu_ref_get_many+0x240/0x240
[  721.575841]  ? print_usage_bug+0xc0/0xc0
[  721.579912]  ? zap_class+0x640/0x640
[  721.583649]  ? print_usage_bug+0xc0/0xc0
[  721.587712]  ? print_usage_bug+0xc0/0xc0
[  721.591775]  ? zap_class+0x640/0x640
[  721.595500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.601047]  ? find_held_lock+0x36/0x1c0
[  721.605125]  ? mark_held_locks+0xc7/0x130
[  721.609279]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.614398]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  721.619503]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  721.624090]  ? trace_hardirqs_on+0xbd/0x310
[  721.628414]  ? kasan_check_read+0x11/0x20
[  721.632562]  ? ___ratelimit+0x3b4/0x672
[  721.636541]  ? trace_hardirqs_off_caller+0x310/0x310
[  721.641664]  ? trace_hardirqs_on+0x310/0x310
[  721.646078]  ? lock_downgrade+0x900/0x900
[  721.650239]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  721.655349]  ? ___ratelimit+0x3b9/0x672
[  721.659334]  ? idr_get_free+0xf70/0xf70
[  721.663315]  ? find_held_lock+0x36/0x1c0
[  721.667392]  oom_kill_process.cold.27+0x10/0x903
[  721.672151]  ? zap_class+0x640/0x640
[  721.675868]  ? check_preemption_disabled+0x48/0x280
[  721.680891]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  721.685823]  ? kasan_check_read+0x11/0x20
[  721.689972]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.695253]  ? oom_evaluate_task+0x540/0x540
[  721.699666]  ? find_held_lock+0x36/0x1c0
[  721.703737]  ? out_of_memory+0x974/0x1430
[  721.707890]  ? lock_downgrade+0x900/0x900
[  721.712040]  ? check_preemption_disabled+0x48/0x280
[  721.717068]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  721.722328]  ? kasan_check_read+0x11/0x20
[  721.726488]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.731769]  ? rcu_softirq_qs+0x20/0x20
[  721.735760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.741305]  ? oom_evaluate_task+0x302/0x540
[  721.745721]  out_of_memory+0xa84/0x1430
[  721.749707]  ? oom_killer_disable+0x3a0/0x3a0
[  721.754204]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  721.759139]  ? __ww_mutex_check_waiters+0x160/0x160
[  721.764173]  __alloc_pages_slowpath+0x2354/0x2e10
[  721.769136]  ? warn_alloc+0x120/0x120
[  721.772939]  ? mark_held_locks+0x130/0x130
[  721.777184]  ? find_get_entry+0xaae/0x1120
[  721.781435]  ? filemap_map_pages+0x1a20/0x1a20
[  721.786025]  ? zap_class+0x640/0x640
[  721.789751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  721.795301]  ? check_preemption_disabled+0x48/0x280
[  721.800324]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.805864]  ? should_fail+0x22d/0xd01
[  721.809760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  721.814868]  ? zap_class+0x640/0x640
[  721.818613]  ? __lock_is_held+0xb5/0x140
[  721.822688]  ? mark_held_locks+0x130/0x130
[  721.826929]  ? lock_release+0xa00/0xa00
[  721.830905]  ? perf_trace_sched_process_exec+0x860/0x860
[  721.836359]  ? xa_load+0x2ba/0x460
[  721.839901]  ? lock_downgrade+0x900/0x900
[  721.844061]  ? __might_sleep+0x95/0x190
[  721.848044]  __alloc_pages_nodemask+0xa80/0xde0
[  721.853223]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  721.858245]  ? __page_cache_alloc+0x191/0x5c0
[  721.862745]  ? xa_load+0x2e1/0x460
[  721.866296]  ? xa_clear_mark+0x40/0x40
[  721.870207]  ? zap_class+0x640/0x640
[  721.873936]  ? zap_class+0x640/0x640
[  721.877651]  ? zap_class+0x640/0x640
[  721.881366]  ? __do_page_cache_readahead+0x663/0x810
[  721.886476]  ? find_held_lock+0x36/0x1c0
[  721.890548]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  721.896095]  alloc_pages_current+0x173/0x350
[  721.900513]  __page_cache_alloc+0x38c/0x5c0
[  721.904839]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  721.909771]  ? kasan_check_read+0x11/0x20
[  721.913923]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.919207]  ? generic_perform_write+0x6a0/0x6a0
[  721.923965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  721.929511]  ? check_preemption_disabled+0x48/0x280
[  721.934540]  filemap_fault+0x1595/0x25f0
[  721.938623]  ? __lock_page_or_retry+0xa00/0xa00
[  721.943305]  ? mark_held_locks+0x130/0x130
[  721.947559]  ? filemap_map_pages+0xd6b/0x1a20
[  721.952077]  ? lock_downgrade+0x900/0x900
[  721.956229]  ? check_preemption_disabled+0x48/0x280
[  721.961252]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  721.966269]  ? kasan_check_read+0x11/0x20
[  721.970426]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  721.975706]  ? rcu_softirq_qs+0x20/0x20
[  721.979697]  ? filemap_map_pages+0xd92/0x1a20
[  721.984222]  ? print_usage_bug+0xc0/0xc0
[  721.988300]  ? find_get_entries_tag+0x1400/0x1400
[  721.993149]  ? __kasan_slab_free+0x102/0x150
[  721.997561]  ? kasan_slab_free+0xe/0x10
[  722.001535]  ? kmem_cache_free+0x83/0x290
[  722.005683]  ? __sigqueue_free.part.29+0x74/0x90
[  722.010461]  ? lock_acquire+0x1ed/0x520
[  722.014439]  ? ext4_filemap_fault+0x7a/0xad
[  722.018770]  ? lock_release+0xa00/0xa00
[  722.022749]  ? perf_trace_sched_process_exec+0x860/0x860
[  722.028221]  ? print_usage_bug+0xc0/0xc0
[  722.032301]  ? print_usage_bug+0xc0/0xc0
[  722.036380]  ? down_read+0x8d/0x120
[  722.040006]  ? ext4_filemap_fault+0x7a/0xad
[  722.044329]  ? __down_interruptible+0x700/0x700
[  722.049016]  ext4_filemap_fault+0x82/0xad
[  722.053171]  __do_fault+0x100/0x6b0
[  722.056819]  ? pmd_devmap_trans_unstable+0x220/0x220
[  722.061928]  ? mark_held_locks+0x130/0x130
[  722.066171]  ? mark_held_locks+0x130/0x130
[  722.070411]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  722.075951]  ? rcu_pm_notify+0xc0/0xc0
[  722.079853]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.085403]  __handle_mm_fault+0x3ea6/0x5be0
[  722.089831]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  722.094679]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.099176]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  722.103770]  ? trace_hardirqs_on+0xbd/0x310
[  722.108100]  ? kasan_check_read+0x11/0x20
[  722.112256]  ? __set_current_blocked+0xdf/0x120
[  722.116961]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.122085]  ? zap_class+0x640/0x640
[  722.125809]  ? zap_class+0x640/0x640
[  722.129533]  ? find_held_lock+0x36/0x1c0
[  722.133622]  ? handle_mm_fault+0x42a/0xc70
[  722.137861]  ? lock_downgrade+0x900/0x900
[  722.142011]  ? check_preemption_disabled+0x48/0x280
[  722.147031]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  722.151961]  ? kasan_check_read+0x11/0x20
[  722.156129]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  722.161410]  ? rcu_softirq_qs+0x20/0x20
[  722.165387]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.170493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.176034]  ? check_preemption_disabled+0x48/0x280
[  722.181064]  handle_mm_fault+0x54f/0xc70
[  722.185134]  ? __handle_mm_fault+0x5be0/0x5be0
[  722.189725]  ? find_vma+0x34/0x190
[  722.193274]  __do_page_fault+0x5e8/0xe60
[  722.197353]  ? exit_to_usermode_loop+0x1f4/0x380
[  722.202124]  do_page_fault+0xf2/0x7e0
[  722.205934]  ? vmalloc_sync_all+0x30/0x30
[  722.210087]  ? error_entry+0x70/0xd0
[  722.213809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  722.218832]  ? trace_hardirqs_on_caller+0xc0/0x310
[  722.223763]  ? syscall_return_slowpath+0x5e0/0x5e0
[  722.228695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.233546]  ? trace_hardirqs_on_caller+0x310/0x310
[  722.238568]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  722.244024]  ? prepare_exit_to_usermode+0x291/0x3b0
[  722.249045]  ? page_fault+0x8/0x30
[  722.252590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  722.257438]  ? page_fault+0x8/0x30
[  722.260987]  page_fault+0x1e/0x30
[  722.264442] RIP: 0033:0x45db60
[  722.267647] Code: Bad RIP value.
[  722.271007] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  722.276370] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  722.283640] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  722.290910] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  722.298269] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  722.305570] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  722.312873] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  722.312875] Mem-Info:
[  722.312907] active_anon:45842 inactive_anon:131 isolated_anon:0
[  722.312907]  active_file:10 inactive_file:14 isolated_file:0
[  722.312907]  unevictable:0 dirty:0 writeback:0 unstable:0
[  722.312907]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  722.312907]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  722.312907]  free:13767 free_pcp:218 free_cma:0
[  722.319815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  722.322259] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  722.355113] Call Trace:
[  722.364456] 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
[  722.391951]  <IRQ>
[  722.394522] lowmem_reserve[]: 0 2818 6321 6321
[  722.420638]  dump_stack+0x244/0x39d
[  722.422762] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  722.427359]  ? dump_stack_print_info.cold.1+0x20/0x20
[  722.430954] lowmem_reserve[]: 0 0 3503 3503
[  722.458285]  warn_alloc.cold.116+0xb7/0x1bd
[  722.463445] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  722.467772]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  722.472060] lowmem_reserve[]: 0 0 0 0
[  722.500955]  ? lock_downgrade+0x900/0x900
[  722.505769] 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
[  722.509567]  ? trace_hardirqs_off+0xb8/0x310
[  722.513687] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  722.527209]  ? trace_hardirqs_off+0xb8/0x310
[  722.531592] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  722.546854]  __alloc_pages_slowpath+0x26e8/0x2e10
[  722.551239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  722.566077]  ? warn_alloc+0x120/0x120
[  722.570875] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  722.579700]  ? print_usage_bug+0xc0/0xc0
[  722.583477] 162 total pagecache pages
[  722.592042]  ? warn_alloc+0x120/0x120
[  722.596089] 0 pages in swap cache
[  722.599876]  ? warn_alloc+0x120/0x120
[  722.603658] Swap cache stats: add 0, delete 0, find 0/0
[  722.607103]  ? print_usage_bug+0xc0/0xc0
[  722.610876] Free swap  = 0kB
[  722.616234]  ? kvm_clock_read+0x18/0x30
[  722.620263] Total swap = 0kB
[  722.620271] 1965979 pages RAM
[  722.623306]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  722.627247] 0 pages HighMem/MovableOnly
[  722.630262]  ? print_usage_bug+0xc0/0xc0
[  722.633348] 342855 pages reserved
[  722.638358]  ? __lock_acquire+0x62f/0x4c20
[  722.642316] 0 pages cma reserved
[  722.646376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  722.649871] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  722.654035]  ? should_fail+0x22d/0xd01
[  722.657469] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  722.662914]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  722.669382] syz-fuzzer cpuset=/ mems_allowed=0
[  722.673275]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.698453]  ? __lock_acquire+0x62f/0x4c20
[  722.702704]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  722.707814]  ? __lock_acquire+0x62f/0x4c20
[  722.712049]  ? should_fail+0x22d/0xd01
[  722.715938]  ? rcu_irq_exit+0x1a2/0x390
[  722.719932]  ? mark_held_locks+0x130/0x130
[  722.724668]  ? mark_held_locks+0x130/0x130
[  722.728913]  ? mark_held_locks+0xc7/0x130
[  722.733067]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  722.738086]  ? zap_class+0x640/0x640
[  722.741802]  ? print_usage_bug+0xc0/0xc0
[  722.745886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.751428]  ? check_preemption_disabled+0x48/0x280
[  722.756461]  ? __lock_is_held+0xb5/0x140
[  722.760532]  __alloc_pages_nodemask+0xa80/0xde0
[  722.765207]  ? zap_class+0x640/0x640
[  722.768928]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  722.773958]  ? find_held_lock+0x36/0x1c0
[  722.778030]  ? ____cache_alloc_node+0x1c7/0x1e0
[  722.782707]  ? lock_downgrade+0x900/0x900
[  722.786870]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.792462]  cache_grow_begin+0xa5/0x8c0
[  722.796525]  ? do_raw_spin_unlock+0xa7/0x330
[  722.800943]  fallback_alloc+0x204/0x2e0
[  722.804926]  ____cache_alloc_node+0x1c7/0x1e0
[  722.809447]  kmem_cache_alloc_node+0xe3/0x730
[  722.813946]  ? ipv6_get_ifaddr+0x42e/0x620
[  722.818196]  __alloc_skb+0x119/0x770
[  722.821911]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  722.827199]  ? netdev_alloc_frag+0x1f0/0x1f0
[  722.831614]  ? lock_downgrade+0x900/0x900
[  722.835772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.841320]  ? refcount_sub_and_test_checked+0x203/0x310
[  722.846777]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  722.852232]  ? addrconf_rs_timer+0x690/0x690
[  722.856875]  ndisc_alloc_skb+0x144/0x340
[  722.860947]  ndisc_send_rs+0x331/0x6e0
[  722.864839]  addrconf_rs_timer+0x314/0x690
[  722.869080]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.873501]  call_timer_fn+0x272/0x920
[  722.877387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.881624]  ? process_timeout+0x40/0x40
[  722.885696]  ? __run_timers+0x7da/0xc70
[  722.889681]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.894181]  ? _raw_spin_unlock_irq+0x27/0x80
[  722.898675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.902912]  ? lockdep_hardirqs_on+0x296/0x5b0
[  722.907496]  ? trace_hardirqs_on+0xbd/0x310
[  722.911818]  ? kasan_check_read+0x11/0x20
[  722.915970]  ? __run_timers+0x7da/0xc70
[  722.919953]  ? trace_hardirqs_off_caller+0x310/0x310
[  722.925064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.929317]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  722.933553]  __run_timers+0x7e5/0xc70
[  722.937369]  ? timer_fixup_init+0x70/0x70
[  722.941522]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  722.946540]  ? zap_class+0x640/0x640
[  722.950262]  ? enqueue_hrtimer+0x1a5/0x560
[  722.954513]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  722.959711]  ? find_held_lock+0x36/0x1c0
[  722.963778]  ? zap_class+0x640/0x640
[  722.967497]  ? pvclock_read_flags+0x160/0x160
[  722.971996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.977537]  ? check_preemption_disabled+0x48/0x280
[  722.982567]  ? __lock_is_held+0xb5/0x140
[  722.986632]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  722.992173]  ? check_preemption_disabled+0x48/0x280
[  722.997194]  run_timer_softirq+0x52/0xb0
[  723.001258]  ? rcu_read_lock_sched_held+0x14f/0x180
[  723.006286]  __do_softirq+0x308/0xb7e
[  723.010108]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  723.014621]  ? lock_downgrade+0x900/0x900
[  723.018778]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  723.023895]  ? pvclock_read_flags+0x160/0x160
[  723.028394]  ? lapic_next_event+0x5a/0x90
[  723.032546]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.038090]  ? kvm_clock_read+0x18/0x30
[  723.042069]  ? kvm_sched_clock_read+0x9/0x20
[  723.046496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.052037]  ? check_preemption_disabled+0x48/0x280
[  723.057063]  irq_exit+0x17f/0x1c0
[  723.060522]  smp_apic_timer_interrupt+0x1cb/0x760
[  723.065363]  ? smp_call_function_single_interrupt+0x159/0x650
[  723.071248]  ? smp_call_function_single_interrupt+0x650/0x650
[  723.077136]  ? interrupt_entry+0xb5/0xc0
[  723.081204]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.086219]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.091237]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.096081]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.101099]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.106117]  ? task_prio+0x50/0x50
[  723.109662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.115203]  ? check_preemption_disabled+0x48/0x280
[  723.120230]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.125083]  apic_timer_interrupt+0xf/0x20
[  723.129327]  </IRQ>
[  723.131569] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  723.136499] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  723.155406] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  723.163114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  723.170380] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  723.177664] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  723.185022] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  723.192300] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  723.199624]  skb_clone+0x1bb/0x500
[  723.203183]  ? finish_task_switch+0x2f4/0x910
[  723.207682]  ? skb_split+0x11e0/0x11e0
[  723.211575]  ? preempt_notifier_register+0x200/0x200
[  723.216681]  ? __switch_to_asm+0x34/0x70
[  723.220748]  ? __switch_to_asm+0x34/0x70
[  723.224808]  ? __switch_to_asm+0x40/0x70
[  723.228870]  ? __switch_to_asm+0x34/0x70
[  723.232949]  ? __switch_to_asm+0x40/0x70
[  723.237010]  ? __switch_to_asm+0x34/0x70
[  723.241071]  ? __switch_to_asm+0x40/0x70
[  723.245133]  ? __switch_to_asm+0x34/0x70
[  723.249201]  ? __switch_to_asm+0x34/0x70
[  723.253266]  ? __switch_to_asm+0x40/0x70
[  723.257340]  ? __switch_to_asm+0x34/0x70
[  723.261414]  bpf_clone_redirect+0xb9/0x490
[  723.265654]  ? __schedule+0x8d7/0x21d0
[  723.269550]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  723.274569]  ? __sched_text_start+0x8/0x8
[  723.278743]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  723.283336]  ? retint_kernel+0x2d/0x2d
[  723.287229]  ? trace_hardirqs_on_caller+0xc0/0x310
[  723.292162]  ? find_held_lock+0x36/0x1c0
[  723.296235]  ? lock_acquire+0x1ed/0x520
[  723.300228]  ? bpf_test_run+0x3cb/0x780
[  723.304206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.309750]  ? check_preemption_disabled+0x48/0x280
[  723.314775]  ? kasan_check_read+0x11/0x20
[  723.318927]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.324203]  ? rcu_softirq_qs+0x20/0x20
[  723.328178]  ? preempt_schedule+0x4d/0x60
[  723.332335]  ? ___preempt_schedule+0x16/0x18
[  723.336756]  ? bpf_test_run+0x25d/0x780
[  723.340745]  ? netlink_diag_dump+0x2a0/0x2a0
[  723.345159]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.350697]  ? bpf_test_init.isra.10+0x70/0x100
[  723.355375]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  723.360144]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  723.364996]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  723.370538]  ? fput+0x130/0x1a0
[  723.373825]  ? __bpf_prog_get+0x9b/0x290
[  723.377891]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  723.382736]  ? bpf_prog_test_run+0x130/0x1a0
[  723.387148]  ? __x64_sys_bpf+0x3d8/0x520
[  723.391210]  ? bpf_prog_get+0x20/0x20
[  723.395034]  ? do_syscall_64+0x1b9/0x820
[  723.399099]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  723.404465]  ? syscall_return_slowpath+0x5e0/0x5e0
[  723.409420]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.414439]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  723.419458]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  723.426137]  ? __switch_to_asm+0x40/0x70
[  723.430200]  ? __switch_to_asm+0x34/0x70
[  723.434268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.439136]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  723.444521] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  723.444591] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  723.451103] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  723.451108] Call Trace:
[  723.451115]  <IRQ>
[  723.451133]  dump_stack+0x244/0x39d
[  723.451152]  ? dump_stack_print_info.cold.1+0x20/0x20
[  723.457722] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  723.466993]  warn_alloc.cold.116+0xb7/0x1bd
[  723.469544] syz-executor3 cpuset=syz3 mems_allowed=0
[  723.471692]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  723.505175]  ? lock_downgrade+0x900/0x900
[  723.509342]  ? trace_hardirqs_off+0xb8/0x310
[  723.513757]  ? trace_hardirqs_off+0xb8/0x310
[  723.518174]  __alloc_pages_slowpath+0x26e8/0x2e10
[  723.523052]  ? warn_alloc+0x120/0x120
[  723.526858]  ? print_usage_bug+0xc0/0xc0
[  723.530922]  ? warn_alloc+0x120/0x120
[  723.534728]  ? warn_alloc+0x120/0x120
[  723.538537]  ? print_usage_bug+0xc0/0xc0
[  723.542600]  ? kvm_clock_read+0x18/0x30
[  723.546576]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  723.551596]  ? print_usage_bug+0xc0/0xc0
[  723.555660]  ? __lock_acquire+0x62f/0x4c20
[  723.559902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.565445]  ? should_fail+0x22d/0xd01
[  723.569333]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.574618]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  723.579723]  ? __lock_acquire+0x62f/0x4c20
[  723.583965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  723.589070]  ? __lock_acquire+0x62f/0x4c20
[  723.593314]  ? should_fail+0x22d/0xd01
[  723.597201]  ? rcu_irq_exit+0x1a2/0x390
[  723.601189]  ? mark_held_locks+0x130/0x130
[  723.605433]  ? mark_held_locks+0x130/0x130
[  723.609676]  ? mark_held_locks+0xc7/0x130
[  723.613828]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  723.618846]  ? zap_class+0x640/0x640
[  723.622563]  ? print_usage_bug+0xc0/0xc0
[  723.626630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.632170]  ? check_preemption_disabled+0x48/0x280
[  723.637198]  ? __lock_is_held+0xb5/0x140
[  723.641269]  __alloc_pages_nodemask+0xa80/0xde0
[  723.645952]  ? zap_class+0x640/0x640
[  723.649673]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  723.654702]  ? find_held_lock+0x36/0x1c0
[  723.658775]  ? ____cache_alloc_node+0x1c7/0x1e0
[  723.663455]  ? lock_downgrade+0x900/0x900
[  723.667616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.673160]  cache_grow_begin+0xa5/0x8c0
[  723.677223]  ? do_raw_spin_unlock+0xa7/0x330
[  723.681642]  fallback_alloc+0x204/0x2e0
[  723.685626]  ____cache_alloc_node+0x1c7/0x1e0
[  723.690129]  kmem_cache_alloc_node+0xe3/0x730
[  723.694627]  ? ipv6_get_ifaddr+0x42e/0x620
[  723.698873]  __alloc_skb+0x119/0x770
[  723.702587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  723.707873]  ? netdev_alloc_frag+0x1f0/0x1f0
[  723.712284]  ? lock_downgrade+0x900/0x900
[  723.716455]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.722267]  ? refcount_sub_and_test_checked+0x203/0x310
[  723.727736]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  723.733192]  ? addrconf_rs_timer+0x690/0x690
[  723.737614]  ndisc_alloc_skb+0x144/0x340
[  723.741683]  ndisc_send_rs+0x331/0x6e0
[  723.745578]  addrconf_rs_timer+0x314/0x690
[  723.749831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.754082]  call_timer_fn+0x272/0x920
[  723.757969]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.762206]  ? process_timeout+0x40/0x40
[  723.766279]  ? mark_held_locks+0xc7/0x130
[  723.770441]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.774938]  ? _raw_spin_unlock_irq+0x27/0x80
[  723.779434]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.783674]  ? lockdep_hardirqs_on+0x296/0x5b0
[  723.788258]  ? trace_hardirqs_on+0xbd/0x310
[  723.792608]  ? kasan_check_read+0x11/0x20
[  723.796758]  ? __run_timers+0x7da/0xc70
[  723.800736]  ? trace_hardirqs_off_caller+0x310/0x310
[  723.805851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.810094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  723.814335]  __run_timers+0x7e5/0xc70
[  723.818151]  ? timer_fixup_init+0x70/0x70
[  723.822312]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  723.827336]  ? zap_class+0x640/0x640
[  723.831069]  ? print_usage_bug+0xc0/0xc0
[  723.835134]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  723.840337]  ? find_held_lock+0x36/0x1c0
[  723.844412]  ? zap_class+0x640/0x640
[  723.848143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.853688]  ? check_preemption_disabled+0x48/0x280
[  723.858716]  ? __lock_is_held+0xb5/0x140
[  723.862782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.868328]  ? check_preemption_disabled+0x48/0x280
[  723.873353]  run_timer_softirq+0x52/0xb0
[  723.877417]  ? rcu_read_lock_sched_held+0x14f/0x180
[  723.882437]  __do_softirq+0x308/0xb7e
[  723.886247]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  723.890757]  ? lock_downgrade+0x900/0x900
[  723.894915]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  723.900028]  ? pvclock_read_flags+0x160/0x160
[  723.904528]  ? lapic_next_event+0x5a/0x90
[  723.908691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.914249]  ? kvm_clock_read+0x18/0x30
[  723.918225]  ? kvm_sched_clock_read+0x9/0x20
[  723.922640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  723.928181]  ? check_preemption_disabled+0x48/0x280
[  723.933215]  irq_exit+0x17f/0x1c0
[  723.936669]  smp_apic_timer_interrupt+0x1cb/0x760
[  723.941510]  ? smp_reschedule_interrupt+0x109/0x650
[  723.946532]  ? smp_call_function_single_interrupt+0x650/0x650
[  723.952423]  ? interrupt_entry+0xb5/0xc0
[  723.956487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.961503]  ? trace_hardirqs_off_caller+0xbb/0x310
[  723.966523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  723.971372]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.976394]  ? trace_hardirqs_on_caller+0x310/0x310
[  723.981413]  ? task_prio+0x50/0x50
[  723.984956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  723.990496]  ? check_preemption_disabled+0x48/0x280
[  723.995521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.000405]  apic_timer_interrupt+0xf/0x20
[  724.004636]  </IRQ>
[  724.006876] RIP: 0010:dump_stack+0x358/0x39d
[  724.011285] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  724.030198] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  724.037996] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  724.045267] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  724.052542] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  724.059813] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  724.067082] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  724.074378]  ? dump_stack+0x34f/0x39d
[  724.078196]  ? dump_stack_print_info.cold.1+0x20/0x20
[  724.083398]  ? mark_held_locks+0x130/0x130
[  724.087632]  ? mark_held_locks+0x130/0x130
[  724.091873]  dump_header+0x27b/0xf72
[  724.095603]  ? pagefault_out_of_memory+0x197/0x197
[  724.100544]  ? __lock_acquire+0x62f/0x4c20
[  724.104781]  ? percpu_ref_get_many+0x240/0x240
[  724.109377]  ? print_usage_bug+0xc0/0xc0
[  724.113450]  ? zap_class+0x640/0x640
[  724.117170]  ? print_usage_bug+0xc0/0xc0
[  724.121234]  ? print_usage_bug+0xc0/0xc0
[  724.125314]  ? zap_class+0x640/0x640
[  724.129035]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.134583]  ? find_held_lock+0x36/0x1c0
[  724.138658]  ? mark_held_locks+0xc7/0x130
[  724.142821]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  724.147928]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  724.153040]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  724.157626]  ? trace_hardirqs_on+0xbd/0x310
[  724.161954]  ? kasan_check_read+0x11/0x20
[  724.166105]  ? ___ratelimit+0x3b4/0x672
[  724.170084]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.175192]  ? trace_hardirqs_on+0x310/0x310
[  724.179608]  ? lock_downgrade+0x900/0x900
[  724.183774]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  724.188885]  ? ___ratelimit+0x3b9/0x672
[  724.192863]  ? idr_get_free+0xf70/0xf70
[  724.196857]  ? find_held_lock+0x36/0x1c0
[  724.200932]  oom_kill_process.cold.27+0x10/0x903
[  724.205696]  ? zap_class+0x640/0x640
[  724.209414]  ? check_preemption_disabled+0x48/0x280
[  724.214441]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  724.219374]  ? kasan_check_read+0x11/0x20
[  724.223526]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.228829]  ? oom_evaluate_task+0x540/0x540
[  724.233256]  ? find_held_lock+0x36/0x1c0
[  724.237347]  ? out_of_memory+0x974/0x1430
[  724.241510]  ? lock_downgrade+0x900/0x900
[  724.245670]  ? check_preemption_disabled+0x48/0x280
[  724.250708]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  724.255653]  ? kasan_check_read+0x11/0x20
[  724.259819]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.265118]  ? rcu_softirq_qs+0x20/0x20
[  724.269112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.274673]  ? oom_evaluate_task+0x302/0x540
[  724.279104]  out_of_memory+0xa84/0x1430
[  724.283104]  ? oom_killer_disable+0x3a0/0x3a0
[  724.287616]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  724.292569]  ? __ww_mutex_check_waiters+0x160/0x160
[  724.297618]  __alloc_pages_slowpath+0x2354/0x2e10
[  724.302508]  ? warn_alloc+0x120/0x120
[  724.306327]  ? mark_held_locks+0x130/0x130
[  724.310582]  ? find_get_entry+0xaae/0x1120
[  724.314844]  ? filemap_map_pages+0x1a20/0x1a20
[  724.319441]  ? zap_class+0x640/0x640
[  724.323171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  724.328715]  ? check_preemption_disabled+0x48/0x280
[  724.333741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.339286]  ? should_fail+0x22d/0xd01
[  724.343194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  724.348311]  ? zap_class+0x640/0x640
[  724.352059]  ? __lock_is_held+0xb5/0x140
[  724.356133]  ? mark_held_locks+0x130/0x130
[  724.360379]  ? lock_release+0xa00/0xa00
[  724.364359]  ? perf_trace_sched_process_exec+0x860/0x860
[  724.369822]  ? xa_load+0x2ba/0x460
[  724.373374]  ? lock_downgrade+0x900/0x900
[  724.377532]  ? __might_sleep+0x95/0x190
[  724.381520]  __alloc_pages_nodemask+0xa80/0xde0
[  724.386202]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  724.391224]  ? __page_cache_alloc+0x191/0x5c0
[  724.395721]  ? xa_load+0x2e1/0x460
[  724.399271]  ? xa_clear_mark+0x40/0x40
[  724.403175]  ? zap_class+0x640/0x640
[  724.406901]  ? zap_class+0x640/0x640
[  724.410617]  ? zap_class+0x640/0x640
[  724.414335]  ? __do_page_cache_readahead+0x663/0x810
[  724.419450]  ? find_held_lock+0x36/0x1c0
[  724.423525]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  724.429072]  alloc_pages_current+0x173/0x350
[  724.433492]  __page_cache_alloc+0x38c/0x5c0
[  724.437823]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  724.442759]  ? kasan_check_read+0x11/0x20
[  724.446912]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.452202]  ? generic_perform_write+0x6a0/0x6a0
[  724.456974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.462521]  ? check_preemption_disabled+0x48/0x280
[  724.467556]  filemap_fault+0x1595/0x25f0
[  724.471637]  ? __lock_page_or_retry+0xa00/0xa00
[  724.476320]  ? mark_held_locks+0x130/0x130
[  724.480572]  ? filemap_map_pages+0xd6b/0x1a20
[  724.485076]  ? lock_downgrade+0x900/0x900
[  724.489231]  ? check_preemption_disabled+0x48/0x280
[  724.494254]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  724.499187]  ? kasan_check_read+0x11/0x20
[  724.503335]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.508616]  ? rcu_softirq_qs+0x20/0x20
[  724.512607]  ? filemap_map_pages+0xd92/0x1a20
[  724.517113]  ? print_usage_bug+0xc0/0xc0
[  724.521184]  ? find_get_entries_tag+0x1400/0x1400
[  724.526030]  ? __kasan_slab_free+0x102/0x150
[  724.530437]  ? kasan_slab_free+0xe/0x10
[  724.534411]  ? kmem_cache_free+0x83/0x290
[  724.538564]  ? __sigqueue_free.part.29+0x74/0x90
[  724.543348]  ? lock_acquire+0x1ed/0x520
[  724.547332]  ? ext4_filemap_fault+0x7a/0xad
[  724.551662]  ? lock_release+0xa00/0xa00
[  724.555639]  ? perf_trace_sched_process_exec+0x860/0x860
[  724.561098]  ? print_usage_bug+0xc0/0xc0
[  724.565164]  ? print_usage_bug+0xc0/0xc0
[  724.569239]  ? down_read+0x8d/0x120
[  724.572872]  ? ext4_filemap_fault+0x7a/0xad
[  724.577207]  ? __down_interruptible+0x700/0x700
[  724.581900]  ext4_filemap_fault+0x82/0xad
[  724.586059]  __do_fault+0x100/0x6b0
[  724.589701]  ? pmd_devmap_trans_unstable+0x220/0x220
[  724.594824]  ? mark_held_locks+0x130/0x130
[  724.599076]  ? mark_held_locks+0x130/0x130
[  724.603330]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  724.608887]  ? rcu_pm_notify+0xc0/0xc0
[  724.612795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.618352]  __handle_mm_fault+0x3ea6/0x5be0
[  724.622778]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  724.627631]  ? _raw_spin_unlock_irq+0x27/0x80
[  724.632134]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  724.636724]  ? trace_hardirqs_on+0xbd/0x310
[  724.641048]  ? kasan_check_read+0x11/0x20
[  724.645198]  ? __set_current_blocked+0xdf/0x120
[  724.649873]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.654995]  ? zap_class+0x640/0x640
[  724.658710]  ? zap_class+0x640/0x640
[  724.662433]  ? find_held_lock+0x36/0x1c0
[  724.666507]  ? handle_mm_fault+0x42a/0xc70
[  724.670749]  ? lock_downgrade+0x900/0x900
[  724.674904]  ? check_preemption_disabled+0x48/0x280
[  724.679925]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  724.684858]  ? kasan_check_read+0x11/0x20
[  724.689009]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  724.694288]  ? rcu_softirq_qs+0x20/0x20
[  724.698277]  ? trace_hardirqs_off_caller+0x310/0x310
[  724.703394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  724.708939]  ? check_preemption_disabled+0x48/0x280
[  724.713966]  handle_mm_fault+0x54f/0xc70
[  724.718037]  ? __handle_mm_fault+0x5be0/0x5be0
[  724.722628]  ? find_vma+0x34/0x190
[  724.726176]  __do_page_fault+0x5e8/0xe60
[  724.730247]  ? exit_to_usermode_loop+0x1f4/0x380
[  724.735019]  do_page_fault+0xf2/0x7e0
[  724.738827]  ? vmalloc_sync_all+0x30/0x30
[  724.742975]  ? error_entry+0x70/0xd0
[  724.746694]  ? trace_hardirqs_off_caller+0xbb/0x310
[  724.751710]  ? trace_hardirqs_on_caller+0xc0/0x310
[  724.756644]  ? syscall_return_slowpath+0x5e0/0x5e0
[  724.761576]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.766423]  ? trace_hardirqs_on_caller+0x310/0x310
[  724.771443]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  724.776899]  ? prepare_exit_to_usermode+0x291/0x3b0
[  724.781915]  ? page_fault+0x8/0x30
[  724.785462]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  724.790315]  ? page_fault+0x8/0x30
[  724.793858]  page_fault+0x1e/0x30
[  724.797317] RIP: 0033:0x45db60
[  724.800521] Code: Bad RIP value.
[  724.803882] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  724.809248] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  724.816523] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  724.823819] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  724.831090] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  724.838360] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  724.845660] warn_alloc_show_mem: 1 callbacks suppressed
[  724.845672] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  724.845674] Mem-Info:
[  724.845705] active_anon:45842 inactive_anon:131 isolated_anon:0
[  724.845705]  active_file:10 inactive_file:14 isolated_file:0
[  724.845705]  unevictable:0 dirty:0 writeback:0 unstable:0
[  724.845705]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  724.845705]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  724.845705]  free:13767 free_pcp:218 free_cma:0
[  724.851047] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  724.858494] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  724.860896] Call Trace:
[  724.893773] 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
[  724.903129]  <IRQ>
[  724.930624] lowmem_reserve[]: 0 2818 6321 6321
[  724.933217]  dump_stack+0x244/0x39d
[  724.959321] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  724.961484]  ? dump_stack_print_info.cold.1+0x20/0x20
[  724.966034] lowmem_reserve[]: 0 0 3503 3503
[  724.969671]  warn_alloc.cold.116+0xb7/0x1bd
[  724.996971] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  725.002170]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  725.006450] lowmem_reserve[]: 0 0 0 0
[  725.010774]  ? lock_downgrade+0x900/0x900
[  725.039645] 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
[  725.044496]  ? trace_hardirqs_off+0xb8/0x310
[  725.048260] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  725.052409]  ? trace_hardirqs_off+0xb8/0x310
[  725.065909] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  725.070348]  __alloc_pages_slowpath+0x26e8/0x2e10
[  725.085604] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  725.090033]  ? warn_alloc+0x120/0x120
[  725.104817] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  725.109658]  ? print_usage_bug+0xc0/0xc0
[  725.118464] 162 total pagecache pages
[  725.122263]  ? warn_alloc+0x120/0x120
[  725.130821] 0 pages in swap cache
[  725.134867]  ? warn_alloc+0x120/0x120
[  725.138647] Swap cache stats: add 0, delete 0, find 0/0
[  725.142441]  ? print_usage_bug+0xc0/0xc0
[  725.145870] Free swap  = 0kB
[  725.149667]  ? kvm_clock_read+0x18/0x30
[  725.155007] Total swap = 0kB
[  725.159062]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  725.162054] 1965979 pages RAM
[  725.166022]  ? print_usage_bug+0xc0/0xc0
[  725.169014] 0 pages HighMem/MovableOnly
[  725.174023]  ? __lock_acquire+0x62f/0x4c20
[  725.177108] 342855 pages reserved
[  725.181164]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.185109] 0 pages cma reserved
[  725.189345]  ? should_fail+0x22d/0xd01
[  725.192843] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  725.198316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.198334]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  725.198350]  ? __lock_acquire+0x62f/0x4c20
[  725.198367]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  725.201778] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  725.205602]  ? __lock_acquire+0x62f/0x4c20
[  725.212069] syz-fuzzer cpuset=/ mems_allowed=0
[  725.217349]  ? should_fail+0x22d/0xd01
[  725.254620]  ? rcu_irq_exit+0x1a2/0x390
[  725.258619]  ? mark_held_locks+0x130/0x130
[  725.262870]  ? mark_held_locks+0x130/0x130
[  725.267118]  ? mark_held_locks+0xc7/0x130
[  725.271272]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  725.276324]  ? zap_class+0x640/0x640
[  725.280046]  ? print_usage_bug+0xc0/0xc0
[  725.284116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.289657]  ? check_preemption_disabled+0x48/0x280
[  725.294692]  ? __lock_is_held+0xb5/0x140
[  725.298761]  __alloc_pages_nodemask+0xa80/0xde0
[  725.303432]  ? zap_class+0x640/0x640
[  725.307154]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  725.312189]  ? find_held_lock+0x36/0x1c0
[  725.316262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  725.320941]  ? lock_downgrade+0x900/0x900
[  725.325099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.330650]  cache_grow_begin+0xa5/0x8c0
[  725.334713]  ? do_raw_spin_unlock+0xa7/0x330
[  725.339135]  fallback_alloc+0x204/0x2e0
[  725.343119]  ____cache_alloc_node+0x1c7/0x1e0
[  725.347621]  kmem_cache_alloc_node+0xe3/0x730
[  725.352116]  ? ipv6_get_ifaddr+0x42e/0x620
[  725.356364]  __alloc_skb+0x119/0x770
[  725.360082]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.365365]  ? netdev_alloc_frag+0x1f0/0x1f0
[  725.369776]  ? lock_downgrade+0x900/0x900
[  725.373937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.379478]  ? refcount_sub_and_test_checked+0x203/0x310
[  725.384938]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  725.390389]  ? addrconf_rs_timer+0x690/0x690
[  725.394811]  ndisc_alloc_skb+0x144/0x340
[  725.398879]  ndisc_send_rs+0x331/0x6e0
[  725.402771]  addrconf_rs_timer+0x314/0x690
[  725.407027]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.411276]  call_timer_fn+0x272/0x920
[  725.415174]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.419411]  ? process_timeout+0x40/0x40
[  725.423484]  ? __run_timers+0x7da/0xc70
[  725.427464]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.431961]  ? _raw_spin_unlock_irq+0x27/0x80
[  725.436454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.440692]  ? lockdep_hardirqs_on+0x296/0x5b0
[  725.445282]  ? trace_hardirqs_on+0xbd/0x310
[  725.449618]  ? kasan_check_read+0x11/0x20
[  725.453770]  ? __run_timers+0x7da/0xc70
[  725.457750]  ? trace_hardirqs_off_caller+0x310/0x310
[  725.462859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.467099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  725.471347]  __run_timers+0x7e5/0xc70
[  725.475180]  ? timer_fixup_init+0x70/0x70
[  725.479342]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  725.484363]  ? zap_class+0x640/0x640
[  725.488082]  ? enqueue_hrtimer+0x1a5/0x560
[  725.492332]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  725.497537]  ? find_held_lock+0x36/0x1c0
[  725.501605]  ? zap_class+0x640/0x640
[  725.505340]  ? pvclock_read_flags+0x160/0x160
[  725.509846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.515392]  ? check_preemption_disabled+0x48/0x280
[  725.520429]  ? __lock_is_held+0xb5/0x140
[  725.524494]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.530038]  ? check_preemption_disabled+0x48/0x280
[  725.535063]  run_timer_softirq+0x52/0xb0
[  725.539129]  ? rcu_read_lock_sched_held+0x14f/0x180
[  725.544152]  __do_softirq+0x308/0xb7e
[  725.547980]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  725.552483]  ? lock_downgrade+0x900/0x900
[  725.556643]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  725.561758]  ? pvclock_read_flags+0x160/0x160
[  725.566262]  ? lapic_next_event+0x5a/0x90
[  725.570429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.575975]  ? kvm_clock_read+0x18/0x30
[  725.579954]  ? kvm_sched_clock_read+0x9/0x20
[  725.584372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.589913]  ? check_preemption_disabled+0x48/0x280
[  725.594946]  irq_exit+0x17f/0x1c0
[  725.598407]  smp_apic_timer_interrupt+0x1cb/0x760
[  725.603250]  ? smp_call_function_single_interrupt+0x159/0x650
[  725.609141]  ? smp_call_function_single_interrupt+0x650/0x650
[  725.615052]  ? interrupt_entry+0xb5/0xc0
[  725.619118]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.624143]  ? trace_hardirqs_off_caller+0xbb/0x310
[  725.629163]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.634012]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.639031]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.644063]  ? task_prio+0x50/0x50
[  725.647612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.653165]  ? check_preemption_disabled+0x48/0x280
[  725.658200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.663063]  apic_timer_interrupt+0xf/0x20
[  725.667308]  </IRQ>
[  725.669552] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  725.674485] Code: 7e 0f 85 cf fe ff ff e8 a6 13 3e ff e9 c5 fe ff ff e8 5d 37 c3 ff 48 83 3d 25 91 8f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 a2 3b
[  725.693394] RSP: 0018:ffff88019b777738 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  725.701107] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  725.708384] RDX: 0000000000000000 RSI: ffff8801baa70ac0 RDI: 0000000000000286
[  725.715655] RBP: ffff88019b7777a0 R08: ffff8801baa70240 R09: 0000000000000000
[  725.723433] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  725.730701] R13: ffff8801d9bcc600 R14: ffff8801d9bcc600 R15: 0000000000480020
[  725.738018]  skb_clone+0x1bb/0x500
[  725.741560]  ? finish_task_switch+0x2f4/0x910
[  725.746068]  ? skb_split+0x11e0/0x11e0
[  725.749961]  ? preempt_notifier_register+0x200/0x200
[  725.755065]  ? __switch_to_asm+0x34/0x70
[  725.759130]  ? __switch_to_asm+0x34/0x70
[  725.763194]  ? __switch_to_asm+0x40/0x70
[  725.767262]  ? __switch_to_asm+0x34/0x70
[  725.771337]  ? __switch_to_asm+0x40/0x70
[  725.775398]  ? __switch_to_asm+0x34/0x70
[  725.779463]  ? __switch_to_asm+0x40/0x70
[  725.783527]  ? __switch_to_asm+0x34/0x70
[  725.787595]  ? __switch_to_asm+0x34/0x70
[  725.791661]  ? __switch_to_asm+0x40/0x70
[  725.795726]  ? __switch_to_asm+0x34/0x70
[  725.799801]  bpf_clone_redirect+0xb9/0x490
[  725.804038]  ? __schedule+0x8d7/0x21d0
[  725.807933]  bpf_prog_3aea14b1f6cd0d8b+0x4ba/0x1000
[  725.812952]  ? __sched_text_start+0x8/0x8
[  725.817111]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  725.821696]  ? retint_kernel+0x2d/0x2d
[  725.825585]  ? trace_hardirqs_on_caller+0xc0/0x310
[  725.830520]  ? find_held_lock+0x36/0x1c0
[  725.834590]  ? lock_acquire+0x1ed/0x520
[  725.838569]  ? bpf_test_run+0x3cb/0x780
[  725.842544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  725.848084]  ? check_preemption_disabled+0x48/0x280
[  725.853108]  ? kasan_check_read+0x11/0x20
[  725.857258]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  725.862564]  ? rcu_softirq_qs+0x20/0x20
[  725.866546]  ? preempt_schedule+0x4d/0x60
[  725.870700]  ? ___preempt_schedule+0x16/0x18
[  725.875115]  ? bpf_test_run+0x25d/0x780
[  725.879100]  ? netlink_diag_dump+0x2a0/0x2a0
[  725.883518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  725.889076]  ? bpf_test_init.isra.10+0x70/0x100
[  725.893752]  ? bpf_prog_test_run_skb+0x73b/0xcb0
[  725.898517]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  725.903359]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  725.908896]  ? fput+0x130/0x1a0
[  725.912178]  ? __bpf_prog_get+0x9b/0x290
[  725.916242]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  725.921085]  ? bpf_prog_test_run+0x130/0x1a0
[  725.925502]  ? __x64_sys_bpf+0x3d8/0x520
[  725.929564]  ? bpf_prog_get+0x20/0x20
[  725.933390]  ? do_syscall_64+0x1b9/0x820
[  725.937455]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  725.942822]  ? syscall_return_slowpath+0x5e0/0x5e0
[  725.947797]  ? trace_hardirqs_on_caller+0x310/0x310
[  725.952834]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  725.957863]  ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250
[  725.964543]  ? __switch_to_asm+0x40/0x70
[  725.968603]  ? __switch_to_asm+0x34/0x70
[  725.972671]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  725.977527]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  725.982910] CPU: 1 PID: 5691 Comm: syz-fuzzer Not tainted 4.19.0+ #77
[  725.982980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  725.989494] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  725.989499] Call Trace:
[  725.989505]  <IRQ>
[  725.989523]  dump_stack+0x244/0x39d
[  725.989543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  725.996116] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  726.005382]  warn_alloc.cold.116+0xb7/0x1bd
[  726.007933] syz-executor3 cpuset=syz3 mems_allowed=0
[  726.010078]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  726.043577]  ? lock_downgrade+0x900/0x900
[  726.047736]  ? trace_hardirqs_off+0xb8/0x310
[  726.052152]  ? trace_hardirqs_off+0xb8/0x310
[  726.056573]  __alloc_pages_slowpath+0x26e8/0x2e10
[  726.061454]  ? warn_alloc+0x120/0x120
[  726.065257]  ? print_usage_bug+0xc0/0xc0
[  726.069345]  ? warn_alloc+0x120/0x120
[  726.073170]  ? warn_alloc+0x120/0x120
[  726.076976]  ? print_usage_bug+0xc0/0xc0
[  726.081041]  ? print_usage_bug+0xc0/0xc0
[  726.085106]  ? __lock_acquire+0x62f/0x4c20
[  726.089353]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.094891]  ? should_fail+0x22d/0xd01
[  726.098784]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.103895]  ? __lock_acquire+0x62f/0x4c20
[  726.108135]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.113236]  ? __lock_acquire+0x62f/0x4c20
[  726.117470]  ? should_fail+0x22d/0xd01
[  726.121364]  ? find_held_lock+0x36/0x1c0
[  726.125434]  ? mark_held_locks+0x130/0x130
[  726.129675]  ? mark_held_locks+0x130/0x130
[  726.133907]  ? zap_class+0x640/0x640
[  726.137620]  ? zap_class+0x640/0x640
[  726.141338]  ? print_usage_bug+0xc0/0xc0
[  726.145397]  ? do_raw_spin_unlock+0xa7/0x330
[  726.149811]  ? zap_class+0x640/0x640
[  726.153531]  ? print_usage_bug+0xc0/0xc0
[  726.157597]  ? wq_watchdog_touch+0x9c/0xfe
[  726.161839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.167378]  ? check_preemption_disabled+0x48/0x280
[  726.172407]  ? __lock_is_held+0xb5/0x140
[  726.176485]  __alloc_pages_nodemask+0xa80/0xde0
[  726.181157]  ? zap_class+0x640/0x640
[  726.184882]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  726.189916]  ? find_held_lock+0x36/0x1c0
[  726.193988]  ? ____cache_alloc_node+0x1c7/0x1e0
[  726.198663]  ? lock_downgrade+0x900/0x900
[  726.202829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.208378]  cache_grow_begin+0xa5/0x8c0
[  726.212444]  ? do_raw_spin_unlock+0xa7/0x330
[  726.216866]  fallback_alloc+0x204/0x2e0
[  726.220849]  ____cache_alloc_node+0x1c7/0x1e0
[  726.225351]  kmem_cache_alloc_node+0xe3/0x730
[  726.229853]  ? ipv6_get_ifaddr+0x42e/0x620
[  726.234101]  __alloc_skb+0x119/0x770
[  726.237821]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.243108]  ? netdev_alloc_frag+0x1f0/0x1f0
[  726.247518]  ? lock_downgrade+0x900/0x900
[  726.251676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.257216]  ? refcount_sub_and_test_checked+0x203/0x310
[  726.262673]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  726.268126]  ? addrconf_rs_timer+0x690/0x690
[  726.272551]  ndisc_alloc_skb+0x144/0x340
[  726.276642]  ndisc_send_rs+0x331/0x6e0
[  726.280538]  addrconf_rs_timer+0x314/0x690
[  726.284778]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.289031]  call_timer_fn+0x272/0x920
[  726.292921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.297162]  ? process_timeout+0x40/0x40
[  726.301234]  ? mark_held_locks+0xc7/0x130
[  726.305388]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.309884]  ? _raw_spin_unlock_irq+0x27/0x80
[  726.314382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.318622]  ? lockdep_hardirqs_on+0x296/0x5b0
[  726.323209]  ? trace_hardirqs_on+0xbd/0x310
[  726.327535]  ? kasan_check_read+0x11/0x20
[  726.331683]  ? __run_timers+0x7da/0xc70
[  726.335662]  ? trace_hardirqs_off_caller+0x310/0x310
[  726.340773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.345017]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  726.349249]  __run_timers+0x7e5/0xc70
[  726.353063]  ? timer_fixup_init+0x70/0x70
[  726.357217]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  726.362234]  ? zap_class+0x640/0x640
[  726.365953]  ? print_usage_bug+0xc0/0xc0
[  726.370019]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  726.375218]  ? find_held_lock+0x36/0x1c0
[  726.379290]  ? zap_class+0x640/0x640
[  726.383021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.388562]  ? check_preemption_disabled+0x48/0x280
[  726.393591]  ? __lock_is_held+0xb5/0x140
[  726.397657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.403200]  ? check_preemption_disabled+0x48/0x280
[  726.408223]  run_timer_softirq+0x52/0xb0
[  726.412289]  ? rcu_read_lock_sched_held+0x14f/0x180
[  726.417328]  __do_softirq+0x308/0xb7e
[  726.421136]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  726.425635]  ? lock_downgrade+0x900/0x900
[  726.429793]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  726.434913]  ? pvclock_read_flags+0x160/0x160
[  726.439416]  ? lapic_next_event+0x5a/0x90
[  726.443567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.449115]  ? kvm_clock_read+0x18/0x30
[  726.453091]  ? kvm_sched_clock_read+0x9/0x20
[  726.457506]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.463053]  ? check_preemption_disabled+0x48/0x280
[  726.468084]  irq_exit+0x17f/0x1c0
[  726.471543]  smp_apic_timer_interrupt+0x1cb/0x760
[  726.476391]  ? smp_reschedule_interrupt+0x109/0x650
[  726.481411]  ? smp_call_function_single_interrupt+0x650/0x650
[  726.487311]  ? interrupt_entry+0xb5/0xc0
[  726.491382]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.496403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  726.501423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.506277]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.511307]  ? trace_hardirqs_on_caller+0x310/0x310
[  726.516335]  ? task_prio+0x50/0x50
[  726.519883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.525425]  ? check_preemption_disabled+0x48/0x280
[  726.530456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  726.535315]  apic_timer_interrupt+0xf/0x20
[  726.539549]  </IRQ>
[  726.541789] RIP: 0010:dump_stack+0x358/0x39d
[  726.546202] Code: 74 0c 48 c7 c7 b0 fa 51 89 e8 11 41 fc f9 48 83 3d 99 79 8b 01 00 0f 84 63 fe ff ff e8 de f7 b8 f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 cb f7 b8 f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  726.565106] RSP: 0000:ffff8801b7d861e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  726.572819] RAX: ffff8801c4b66240 RBX: 1ffffffff12a3f56 RCX: 1ffff1003896cd66
[  726.580089] RDX: 0000000000000000 RSI: ffffffff87c68122 RDI: 0000000000000293
[  726.587360] RBP: ffff8801b7d86290 R08: ffff8801c4b66b30 R09: 0000000000000006
[  726.594632] R10: 0000000000000000 R11: ffff8801c4b66240 R12: 1ffff10036fb0c45
[  726.601902] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  726.609211]  ? dump_stack+0x34f/0x39d
[  726.613034]  ? dump_stack_print_info.cold.1+0x20/0x20
[  726.618231]  ? mark_held_locks+0x130/0x130
[  726.622467]  ? mark_held_locks+0x130/0x130
[  726.626712]  dump_header+0x27b/0xf72
[  726.630443]  ? pagefault_out_of_memory+0x197/0x197
[  726.635384]  ? __lock_acquire+0x62f/0x4c20
[  726.639625]  ? percpu_ref_get_many+0x240/0x240
[  726.644217]  ? print_usage_bug+0xc0/0xc0
[  726.648286]  ? zap_class+0x640/0x640
[  726.652016]  ? print_usage_bug+0xc0/0xc0
[  726.656080]  ? print_usage_bug+0xc0/0xc0
[  726.660144]  ? zap_class+0x640/0x640
[  726.663864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.669409]  ? find_held_lock+0x36/0x1c0
[  726.673493]  ? mark_held_locks+0xc7/0x130
[  726.677655]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  726.682760]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  726.687868]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  726.692457]  ? trace_hardirqs_on+0xbd/0x310
[  726.696779]  ? kasan_check_read+0x11/0x20
[  726.700930]  ? ___ratelimit+0x3b4/0x672
[  726.704910]  ? trace_hardirqs_off_caller+0x310/0x310
[  726.710018]  ? trace_hardirqs_on+0x310/0x310
[  726.714433]  ? lock_downgrade+0x900/0x900
[  726.718597]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  726.723704]  ? ___ratelimit+0x3b9/0x672
[  726.727681]  ? idr_get_free+0xf70/0xf70
[  726.731657]  ? find_held_lock+0x36/0x1c0
[  726.735732]  oom_kill_process.cold.27+0x10/0x903
[  726.740492]  ? zap_class+0x640/0x640
[  726.744208]  ? check_preemption_disabled+0x48/0x280
[  726.749234]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  726.754169]  ? kasan_check_read+0x11/0x20
[  726.758326]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.763630]  ? oom_evaluate_task+0x540/0x540
[  726.768047]  ? find_held_lock+0x36/0x1c0
[  726.772117]  ? out_of_memory+0x974/0x1430
[  726.776267]  ? lock_downgrade+0x900/0x900
[  726.780428]  ? check_preemption_disabled+0x48/0x280
[  726.785452]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  726.790383]  ? kasan_check_read+0x11/0x20
[  726.794530]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.799813]  ? rcu_softirq_qs+0x20/0x20
[  726.803792]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.809333]  ? oom_evaluate_task+0x302/0x540
[  726.813748]  out_of_memory+0xa84/0x1430
[  726.817737]  ? oom_killer_disable+0x3a0/0x3a0
[  726.822234]  ? __alloc_pages_slowpath+0xf28/0x2e10
[  726.827168]  ? __ww_mutex_check_waiters+0x160/0x160
[  726.832198]  __alloc_pages_slowpath+0x2354/0x2e10
[  726.837073]  ? warn_alloc+0x120/0x120
[  726.840884]  ? mark_held_locks+0x130/0x130
[  726.845127]  ? find_get_entry+0xaae/0x1120
[  726.849373]  ? filemap_map_pages+0x1a20/0x1a20
[  726.854448]  ? zap_class+0x640/0x640
[  726.858178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  726.863723]  ? check_preemption_disabled+0x48/0x280
[  726.868741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.874284]  ? should_fail+0x22d/0xd01
[  726.878184]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  726.883302]  ? zap_class+0x640/0x640
[  726.887048]  ? __lock_is_held+0xb5/0x140
[  726.891122]  ? mark_held_locks+0x130/0x130
[  726.895362]  ? lock_release+0xa00/0xa00
[  726.899341]  ? perf_trace_sched_process_exec+0x860/0x860
[  726.904793]  ? xa_load+0x2ba/0x460
[  726.908338]  ? lock_downgrade+0x900/0x900
[  726.912494]  ? __might_sleep+0x95/0x190
[  726.916480]  __alloc_pages_nodemask+0xa80/0xde0
[  726.921160]  ? __alloc_pages_slowpath+0x2e10/0x2e10
[  726.926180]  ? __page_cache_alloc+0x191/0x5c0
[  726.930676]  ? xa_load+0x2e1/0x460
[  726.934217]  ? xa_clear_mark+0x40/0x40
[  726.938107]  ? zap_class+0x640/0x640
[  726.941836]  ? zap_class+0x640/0x640
[  726.945550]  ? zap_class+0x640/0x640
[  726.949265]  ? __do_page_cache_readahead+0x663/0x810
[  726.954381]  ? find_held_lock+0x36/0x1c0
[  726.958448]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  726.963993]  alloc_pages_current+0x173/0x350
[  726.968410]  __page_cache_alloc+0x38c/0x5c0
[  726.972732]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  726.977662]  ? kasan_check_read+0x11/0x20
[  726.981815]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  726.987098]  ? generic_perform_write+0x6a0/0x6a0
[  726.991860]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  726.997399]  ? check_preemption_disabled+0x48/0x280
[  727.002427]  filemap_fault+0x1595/0x25f0
[  727.006504]  ? __lock_page_or_retry+0xa00/0xa00
[  727.011180]  ? mark_held_locks+0x130/0x130
[  727.015425]  ? filemap_map_pages+0xd6b/0x1a20
[  727.019929]  ? lock_downgrade+0x900/0x900
[  727.024080]  ? check_preemption_disabled+0x48/0x280
[  727.029100]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  727.034046]  ? kasan_check_read+0x11/0x20
[  727.038196]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  727.043474]  ? rcu_softirq_qs+0x20/0x20
[  727.047465]  ? filemap_map_pages+0xd92/0x1a20
[  727.051987]  ? print_usage_bug+0xc0/0xc0
[  727.056062]  ? find_get_entries_tag+0x1400/0x1400
[  727.060910]  ? __kasan_slab_free+0x102/0x150
[  727.065324]  ? kasan_slab_free+0xe/0x10
[  727.069306]  ? kmem_cache_free+0x83/0x290
[  727.073461]  ? __sigqueue_free.part.29+0x74/0x90
[  727.078240]  ? lock_acquire+0x1ed/0x520
[  727.082216]  ? ext4_filemap_fault+0x7a/0xad
[  727.086549]  ? lock_release+0xa00/0xa00
[  727.090527]  ? perf_trace_sched_process_exec+0x860/0x860
[  727.095979]  ? print_usage_bug+0xc0/0xc0
[  727.100043]  ? print_usage_bug+0xc0/0xc0
[  727.104120]  ? down_read+0x8d/0x120
[  727.107747]  ? ext4_filemap_fault+0x7a/0xad
[  727.112073]  ? __down_interruptible+0x700/0x700
[  727.116753]  ext4_filemap_fault+0x82/0xad
[  727.120907]  __do_fault+0x100/0x6b0
[  727.124543]  ? pmd_devmap_trans_unstable+0x220/0x220
[  727.129653]  ? mark_held_locks+0x130/0x130
[  727.133891]  ? mark_held_locks+0x130/0x130
[  727.138127]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  727.143666]  ? rcu_pm_notify+0xc0/0xc0
[  727.147563]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.153109]  __handle_mm_fault+0x3ea6/0x5be0
[  727.157533]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  727.162382]  ? _raw_spin_unlock_irq+0x27/0x80
[  727.166884]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  727.171475]  ? trace_hardirqs_on+0xbd/0x310
[  727.175800]  ? kasan_check_read+0x11/0x20
[  727.179952]  ? __set_current_blocked+0xdf/0x120
[  727.184623]  ? trace_hardirqs_off_caller+0x310/0x310
[  727.189741]  ? zap_class+0x640/0x640
[  727.193457]  ? zap_class+0x640/0x640
[  727.197179]  ? find_held_lock+0x36/0x1c0
[  727.201254]  ? handle_mm_fault+0x42a/0xc70
[  727.205493]  ? lock_downgrade+0x900/0x900
[  727.209648]  ? check_preemption_disabled+0x48/0x280
[  727.214671]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  727.219600]  ? kasan_check_read+0x11/0x20
[  727.223748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  727.229029]  ? rcu_softirq_qs+0x20/0x20
[  727.233002]  ? trace_hardirqs_off_caller+0x310/0x310
[  727.238112]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.243651]  ? check_preemption_disabled+0x48/0x280
[  727.248679]  handle_mm_fault+0x54f/0xc70
[  727.252746]  ? __handle_mm_fault+0x5be0/0x5be0
[  727.257335]  ? find_vma+0x34/0x190
[  727.260886]  __do_page_fault+0x5e8/0xe60
[  727.264954]  ? exit_to_usermode_loop+0x1f4/0x380
[  727.269721]  do_page_fault+0xf2/0x7e0
[  727.273523]  ? vmalloc_sync_all+0x30/0x30
[  727.277672]  ? error_entry+0x70/0xd0
[  727.281388]  ? trace_hardirqs_off_caller+0xbb/0x310
[  727.286404]  ? trace_hardirqs_on_caller+0xc0/0x310
[  727.291338]  ? syscall_return_slowpath+0x5e0/0x5e0
[  727.296267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.301122]  ? trace_hardirqs_on_caller+0x310/0x310
[  727.306138]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  727.311601]  ? prepare_exit_to_usermode+0x291/0x3b0
[  727.316618]  ? page_fault+0x8/0x30
[  727.320165]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  727.325012]  ? page_fault+0x8/0x30
[  727.328556]  page_fault+0x1e/0x30
[  727.332009] RIP: 0033:0x45db60
[  727.335212] Code: Bad RIP value.
[  727.338573] RSP: 002b:000000c422087ab8 EFLAGS: 00010246
[  727.343934] RAX: 0000000000000000 RBX: 00000000ffffffff RCX: 000000000045df89
[  727.351200] RDX: 000000c422087ac0 RSI: 000000c422087bf0 RDI: 0000000000000011
[  727.358470] RBP: 000000c420031e90 R08: 0000000000000002 R09: 000000c427c392a8
[  727.365740] R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000001
[  727.373006] R13: 000000c425cc8480 R14: 0000000000000001 R15: 0000000000000000
[  727.380320] CPU: 0 PID: 32127 Comm: syz-executor3 Not tainted 4.19.0+ #77
[  727.380325] warn_alloc_show_mem: 1 callbacks suppressed
[  727.380332] Mem-Info:
[  727.387262] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  727.392650] active_anon:45842 inactive_anon:131 isolated_anon:0
[  727.392650]  active_file:10 inactive_file:14 isolated_file:0
[  727.392650]  unevictable:0 dirty:0 writeback:0 unstable:0
[  727.392650]  slab_reclaimable:9117 slab_unreclaimable:1476076
[  727.392650]  mapped:49154 shmem:138 pagetables:629 bounce:0
[  727.392650]  free:13767 free_pcp:218 free_cma:0
[  727.395039] Call Trace:
[  727.404430] Node 0 active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:552kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 167936kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  727.437285]  <IRQ>
[  727.439864] 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
[  727.467368]  dump_stack+0x244/0x39d
[  727.469492] lowmem_reserve[]: 0 2818 6321 6321
[  727.495612]  ? dump_stack_print_info.cold.1+0x20/0x20
[  727.499215] Node 0 DMA32 free:25244kB min:30052kB low:37564kB high:45076kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888768kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  727.503800]  warn_alloc.cold.116+0xb7/0x1bd
[  727.508954] lowmem_reserve[]: 0 0 3503 3503
[  727.536313]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  727.540605] Node 0 Normal free:13916kB min:37364kB low:46704kB high:56044kB active_anon:183368kB inactive_anon:524kB active_file:40kB inactive_file:56kB unevictable:0kB writepending:0kB present:4718592kB managed:3587820kB mlocked:0kB kernel_stack:5568kB pagetables:2516kB bounce:0kB free_pcp:624kB local_pcp:376kB free_cma:0kB
[  727.544929]  ? lock_downgrade+0x900/0x900
[  727.549741] lowmem_reserve[]: 0 0 0 0
[  727.578638]  ? trace_hardirqs_off+0xb8/0x310
[  727.582755] 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
[  727.586556]  ? trace_hardirqs_off+0xb8/0x310
[  727.590938] Node 0 DMA32: 5*4kB (UM) 1*8kB (U) 2*16kB (UM) 3*32kB (M) 4*64kB (UM) 4*128kB (M) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25244kB
[  727.604463]  __alloc_pages_slowpath+0x26e8/0x2e10
[  727.608842] Node 0 Normal: 663*4kB (UME) 380*8kB (ME) 208*16kB (UME) 86*32kB (UME) 22*64kB (M) 2*128kB (UM) 0*256kB 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13948kB
[  727.624118]  ? warn_alloc+0x120/0x120
[  727.628919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  727.643730]  ? print_usage_bug+0xc0/0xc0
[  727.647510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  727.656337]  ? warn_alloc+0x120/0x120
[  727.660374] 162 total pagecache pages
[  727.668942]  ? warn_alloc+0x120/0x120
[  727.672724] 0 pages in swap cache
[  727.676509]  ? print_usage_bug+0xc0/0xc0
[  727.680290] Swap cache stats: add 0, delete 0, find 0/0
[  727.683744]  ? kvm_clock_read+0x18/0x30
[  727.687780] Free swap  = 0kB
[  727.693139]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  727.697084] Total swap = 0kB
[  727.700099]  ? print_usage_bug+0xc0/0xc0
[  727.705175] 1965979 pages RAM
[  727.708190]  ? __lock_acquire+0x62f/0x4c20
[  727.712224] 0 pages HighMem/MovableOnly
[  727.715332]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  727.719540] 342855 pages reserved
[  727.723982]  ? should_fail+0x22d/0xd01
[  727.729492] 0 pages cma reserved
[  727.732939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.736872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  727.740160]  ? __lock_acquire+0x62f/0x4c20
[  727.745334] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  727.751725]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  727.755936] syz-fuzzer cpuset=/ mems_allowed=0
[  727.766151]  ? __lock_acquire+0x62f/0x4c20
[  727.766168]  ? should_fail+0x22d/0xd01
[  727.783931]  ? mark_held_locks+0x130/0x130
[  727.788174]  ? mark_held_locks+0x130/0x130
[  727.792421]  ? zap_class+0x640/0x640
[  727.796141]  ? print_usage_bug+0xc0/0xc0
[  727.800207]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  727.805747]  ? check_preemption_disabled+0x48/0x280
[  727.810781]  ? __lock_is_held+0xb5/0x140
[  727.814853]  __alloc_pages_nodemask+0xa80/0xde0