anitizer_cov_trace_const_cmp4+0x16/0x20
[  589.733226]  ? check_preemption_disabled+0x48/0x280
[  589.733249]  irq_exit+0x17f/0x1c0
[  589.733264]  smp_apic_timer_interrupt+0x1cb/0x760
[  589.733277]  ? smp_reschedule_interrupt+0x109/0x650
[  589.733292]  ? smp_call_function_single_interrupt+0x650/0x650
[  589.733305]  ? interrupt_entry+0xb5/0xc0
[  589.733321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.733334]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.733348]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.733364]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.733377]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.733403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.733425]  apic_timer_interrupt+0xf/0x20
[  589.733431]  </IRQ>
[  589.733454] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  589.733466] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  589.733474] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  589.733487] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  589.733496] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  589.733504] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  589.733512] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  589.733521] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  589.733565]  skb_clone+0x1bb/0x500
[  589.733580]  ? finish_task_switch+0x2f4/0x910
[  589.733595]  ? skb_split+0x11e0/0x11e0
[  589.733611]  ? preempt_notifier_register+0x200/0x200
[  589.733623]  ? __switch_to_asm+0x34/0x70
[  589.733635]  ? __switch_to_asm+0x34/0x70
[  589.733646]  ? __switch_to_asm+0x40/0x70
[  589.733657]  ? __switch_to_asm+0x34/0x70
[  589.733668]  ? __switch_to_asm+0x40/0x70
[  589.733680]  ? __switch_to_asm+0x34/0x70
[  589.733691]  ? __switch_to_asm+0x40/0x70
[  589.733702]  ? __switch_to_asm+0x34/0x70
[  589.733714]  ? __switch_to_asm+0x34/0x70
[  589.733726]  ? __switch_to_asm+0x40/0x70
[  589.733737]  ? __switch_to_asm+0x34/0x70
[  589.733754]  bpf_clone_redirect+0xb9/0x490
[  589.733769]  ? __schedule+0x8d7/0x21d0
[  589.733794]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  589.733811]  ? __sched_text_start+0x8/0x8
[  589.733828]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  589.733840]  ? retint_kernel+0x2d/0x2d
[  589.733854]  ? trace_hardirqs_on_caller+0xc0/0x310
[  589.733873]  ? find_held_lock+0x36/0x1c0
[  589.733896]  ? lock_acquire+0x1ed/0x520
[  589.733909]  ? bpf_test_run+0x3ee/0x7a0
[  589.733924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.733938]  ? check_preemption_disabled+0x48/0x280
[  589.733957]  ? kasan_check_read+0x11/0x20
[  589.733971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.733984]  ? rcu_softirq_qs+0x20/0x20
[  589.734000]  ? preempt_schedule+0x4d/0x60
[  589.734014]  ? ___preempt_schedule+0x16/0x18
[  589.734035]  ? bpf_test_run+0x271/0x7a0
[  589.734072]  ? netlink_diag_dump+0x2a0/0x2a0
[  589.734102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.734113]  ? bpf_test_init.isra.10+0x70/0x100
[  589.734131]  ? bpf_prog_test_run_skb+0x762/0xd60
[  589.734151]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  589.734169]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  589.734182]  ? fput+0x130/0x1a0
[  589.734199]  ? __bpf_prog_get+0x9b/0x290
[  589.734216]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  589.734228]  ? bpf_prog_test_run+0x130/0x1a0
[  589.734243]  ? __x64_sys_bpf+0x3d8/0x520
[  589.734255]  ? bpf_prog_get+0x20/0x20
[  589.734283]  ? do_syscall_64+0x1b9/0x820
[  589.734293]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  589.734309]  ? syscall_return_slowpath+0x5e0/0x5e0
[  589.734321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.734334]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.734349]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  589.734365]  ? prepare_exit_to_usermode+0x291/0x3b0
[  589.734385]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.734405]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  589.734443] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  589.734450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  589.734454] Call Trace:
[  589.734459]  <IRQ>
[  589.734473]  dump_stack+0x244/0x39d
[  589.734477] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  589.734491]  ? dump_stack_print_info.cold.1+0x20/0x20
[  589.734515]  warn_alloc.cold.116+0xb7/0x1bd
[  589.734527] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  589.734537]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  589.734540] syz-executor4 cpuset=syz4 mems_allowed=0
[  589.734558]  ? lock_downgrade+0x900/0x900
[  589.734579]  ? trace_hardirqs_off+0xb8/0x310
[  589.734599]  ? trace_hardirqs_off+0xb8/0x310
[  589.734621]  __alloc_pages_slowpath+0x2651/0x2de0
[  589.734664]  ? warn_alloc+0x120/0x120
[  589.734680]  ? print_usage_bug+0xc0/0xc0
[  589.734695]  ? warn_alloc+0x120/0x120
[  589.734713]  ? warn_alloc+0x120/0x120
[  589.734728]  ? print_usage_bug+0xc0/0xc0
[  589.734757]  ? enqueue_hrtimer+0x1a5/0x560
[  589.734773]  ? print_usage_bug+0xc0/0xc0
[  589.734788]  ? __lock_acquire+0x62f/0x4c20
[  589.734804]  ? __lock_acquire+0x62f/0x4c20
[  589.734817]  ? kasan_check_write+0x14/0x20
[  589.734832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.734846]  ? should_fail+0x22d/0xd01
[  589.734865]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.734880]  ? __lock_acquire+0x62f/0x4c20
[  589.734899]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.734912]  ? __lock_acquire+0x62f/0x4c20
[  589.734924]  ? should_fail+0x22d/0xd01
[  589.734949]  ? mark_held_locks+0x130/0x130
[  589.735023]  ? mark_held_locks+0x130/0x130
[  589.735152]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  589.735181]  ? ktime_get+0x2c1/0x400
[  589.735206]  ? zap_class+0x640/0x640
[  589.735221]  ? print_usage_bug+0xc0/0xc0
[  589.735320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.735335]  ? check_preemption_disabled+0x48/0x280
[  589.735359]  ? __lock_is_held+0xb5/0x140
[  589.735379]  __alloc_pages_nodemask+0xad8/0xea0
[  589.735393]  ? zap_class+0x640/0x640
[  589.735412]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  589.735446]  ? find_held_lock+0x36/0x1c0
[  589.735470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  589.735485]  ? lock_downgrade+0x900/0x900
[  589.735507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.735527]  cache_grow_begin+0xa5/0x8c0
[  589.735540]  ? do_raw_spin_unlock+0xa7/0x330
[  589.735562]  fallback_alloc+0x204/0x2e0
[  589.735583]  ____cache_alloc_node+0x1c7/0x1e0
[  589.735602]  kmem_cache_alloc_node+0xe3/0x730
[  589.735616]  ? ipv6_get_ifaddr+0x42e/0x620
[  589.735640]  __alloc_skb+0x119/0x770
[  589.735652]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.735671]  ? netdev_alloc_frag+0x1f0/0x1f0
[  589.735685]  ? lock_downgrade+0x900/0x900
[  589.735706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.735720]  ? refcount_sub_and_test_checked+0x203/0x310
[  589.735739]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  589.735753]  ? addrconf_rs_timer+0x690/0x690
[  589.735779]  ndisc_alloc_skb+0x144/0x340
[  589.735797]  ndisc_send_rs+0x331/0x6e0
[  589.735817]  addrconf_rs_timer+0x314/0x690
[  589.735837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  589.735861]  call_timer_fn+0x272/0x920
[  589.735875]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  589.735888]  ? process_timeout+0x40/0x40
[  589.735912]  ? mark_held_locks+0xc7/0x130
[  589.735927]  ? _raw_spin_unlock_irq+0x27/0x80
[  589.735940]  ? _raw_spin_unlock_irq+0x27/0x80
[  589.735952]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  589.735967]  ? lockdep_hardirqs_on+0x296/0x5b0
[  589.735982]  ? trace_hardirqs_on+0xbd/0x310
[  589.735996]  ? kasan_check_read+0x11/0x20
[  589.736008]  ? __run_timers+0x7da/0xc70
[  589.736023]  ? trace_hardirqs_off_caller+0x310/0x310
[  589.736042]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  589.736061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  589.736073]  __run_timers+0x7e5/0xc70
[  589.736097]  ? timer_fixup_init+0x70/0x70
[  589.736113]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  589.736128]  ? zap_class+0x640/0x640
[  589.736161]  ? print_usage_bug+0xc0/0xc0
[  589.736177]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  589.736197]  ? find_held_lock+0x36/0x1c0
[  589.736216]  ? zap_class+0x640/0x640
[  589.736236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.736250]  ? check_preemption_disabled+0x48/0x280
[  589.736273]  ? __lock_is_held+0xb5/0x140
[  589.736294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.736309]  ? check_preemption_disabled+0x48/0x280
[  589.736328]  run_timer_softirq+0x52/0xb0
[  589.736341]  ? rcu_read_lock_sched_held+0x14f/0x180
[  589.736355]  __do_softirq+0x308/0xb7e
[  589.736371]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  589.736384]  ? lock_downgrade+0x900/0x900
[  589.736418]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  589.736447]  ? pvclock_read_flags+0x160/0x160
[  589.736463]  ? lapic_next_event+0x5a/0x90
[  589.736480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.736499]  ? kvm_clock_read+0x18/0x30
[  589.736513]  ? kvm_sched_clock_read+0x9/0x20
[  589.736529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.736544]  ? check_preemption_disabled+0x48/0x280
[  589.736568]  irq_exit+0x17f/0x1c0
[  589.736583]  smp_apic_timer_interrupt+0x1cb/0x760
[  589.736596]  ? smp_reschedule_interrupt+0x109/0x650
[  589.736611]  ? smp_call_function_single_interrupt+0x650/0x650
[  589.736624]  ? interrupt_entry+0xb5/0xc0
[  589.736640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.736653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.736668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.736683]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.736710]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.736723]  ? task_prio+0x50/0x50
[  589.736752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.736767]  ? check_preemption_disabled+0x48/0x280
[  589.736787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.736809]  apic_timer_interrupt+0xf/0x20
[  589.736815]  </IRQ>
[  589.736828] RIP: 0010:vprintk_emit+0x87d/0x990
[  589.736841] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 de 00 00 00 48 83 3d 53 38 ec 07 00 74 34 e8 cc c7 19 00 48 8b bd 90 fe ff ff 57 9d <0f> 1f 44 00 00 e9 aa fe ff ff e8 b4 c7 19 00 0f 0b e8 ad c7 19 00
[  589.736849] RSP: 0000:ffff8881c7c75fc0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  589.736862] RAX: ffff8881c68d8380 RBX: 1ffff11038f8ebfe RCX: 1ffff11038d1b193
[  589.736871] RDX: 0000000000000000 RSI: ffffffff8165c324 RDI: 0000000000000293
[  589.736880] RBP: ffff8881c7c76138 R08: ffff8881c68d8c98 R09: 0000000000000006
[  589.736888] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 0000000000000200
[  589.736897] R13: 0000000000000000 R14: ffffed1038f8ec12 R15: ffff8881c7c76110
[  589.736920]  ? vprintk_emit+0x874/0x990
[  589.736945]  ? wake_up_klogd+0x180/0x180
[  589.736965]  ? find_held_lock+0x31/0x1c0
[  589.736989]  ? mark_held_locks+0xc7/0x130
[  589.737004]  ? _raw_spin_unlock_irq+0x27/0x80
[  589.737017]  ? _raw_spin_unlock_irq+0x27/0x80
[  589.737036]  vprintk_default+0x28/0x30
[  589.737051]  vprintk_func+0x7e/0x181
[  589.737066]  printk+0xa7/0xcf
[  589.737080]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  589.737096]  ? _raw_spin_unlock_irq+0x60/0x80
[  589.737122]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  589.737143]  dump_header+0x7cc/0xf72
[  589.737168]  ? pagefault_out_of_memory+0x197/0x197
[  589.737190]  ? __lock_acquire+0x62f/0x4c20
[  589.737205]  ? percpu_ref_get_many+0x240/0x240
[  589.737223]  ? print_usage_bug+0xc0/0xc0
[  589.737243]  ? zap_class+0x640/0x640
[  589.737261]  ? print_usage_bug+0xc0/0xc0
[  589.737277]  ? zap_class+0x640/0x640
[  589.737299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.737319]  ? find_held_lock+0x36/0x1c0
[  589.737343]  ? mark_held_locks+0xc7/0x130
[  589.737358]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  589.737371]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  589.737387]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  589.737402]  ? trace_hardirqs_on+0xbd/0x310
[  589.737416]  ? kasan_check_read+0x11/0x20
[  589.737428]  ? ___ratelimit+0x3b4/0x672
[  589.737454]  ? trace_hardirqs_off_caller+0x310/0x310
[  589.737470]  ? trace_hardirqs_on+0x310/0x310
[  589.737485]  ? lock_downgrade+0x900/0x900
[  589.737504]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  589.737518]  ? ___ratelimit+0x3b9/0x672
[  589.737535]  ? idr_get_free+0xf70/0xf70
[  589.737548]  ? find_held_lock+0x36/0x1c0
[  589.737572]  oom_kill_process.cold.27+0x10/0x903
[  589.737586]  ? zap_class+0x640/0x640
[  589.737600]  ? check_preemption_disabled+0x48/0x280
[  589.737617]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.737631]  ? kasan_check_read+0x11/0x20
[  589.737644]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.737660]  ? oom_evaluate_task+0x540/0x540
[  589.737678]  ? find_held_lock+0x36/0x1c0
[  589.737700]  ? out_of_memory+0x974/0x1430
[  589.737716]  ? lock_downgrade+0x900/0x900
[  589.737730]  ? check_preemption_disabled+0x48/0x280
[  589.737747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.737760]  ? kasan_check_read+0x11/0x20
[  589.737773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.737787]  ? rcu_softirq_qs+0x20/0x20
[  589.737805]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.737817]  ? oom_evaluate_task+0x302/0x540
[  589.737836]  out_of_memory+0xa84/0x1430
[  589.737858]  ? oom_killer_disable+0x3a0/0x3a0
[  589.737873]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  589.737890]  ? __ww_mutex_check_waiters+0x160/0x160
[  589.737917]  __alloc_pages_slowpath+0x232c/0x2de0
[  589.737960]  ? warn_alloc+0x120/0x120
[  589.737973]  ? mark_held_locks+0x130/0x130
[  589.737992]  ? find_get_entry+0xaae/0x1120
[  589.738016]  ? filemap_map_pages+0x1a20/0x1a20
[  589.738036]  ? zap_class+0x640/0x640
[  589.738056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.738071]  ? check_preemption_disabled+0x48/0x280
[  589.738086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.738114]  ? should_fail+0x22d/0xd01
[  589.738132]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.738148]  ? zap_class+0x640/0x640
[  589.738186]  ? __lock_is_held+0xb5/0x140
[  589.738207]  ? mark_held_locks+0x130/0x130
[  589.738224]  ? lock_release+0xa00/0xa00
[  589.738238]  ? perf_trace_sched_process_exec+0x860/0x860
[  589.738251]  ? xa_load+0x2ba/0x460
[  589.738267]  ? lock_downgrade+0x900/0x900
[  589.738290]  ? __might_sleep+0x95/0x190
[  589.738309]  __alloc_pages_nodemask+0xad8/0xea0
[  589.738330]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  589.738344]  ? __page_cache_alloc+0x191/0x5c0
[  589.738357]  ? xa_load+0x2e1/0x460
[  589.738372]  ? xa_clear_mark+0x40/0x40
[  589.738388]  ? zap_class+0x640/0x640
[  589.738409]  ? zap_class+0x640/0x640
[  589.738422]  ? zap_class+0x640/0x640
[  589.738443]  ? __do_page_cache_readahead+0x663/0x810
[  589.738463]  ? find_held_lock+0x36/0x1c0
[  589.738481]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  589.738501]  alloc_pages_current+0x173/0x350
[  589.738520]  __page_cache_alloc+0x38c/0x5c0
[  589.738532]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.738545]  ? kasan_check_read+0x11/0x20
[  589.738557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.738574]  ? generic_perform_write+0x6a0/0x6a0
[  589.738589]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.738603]  ? check_preemption_disabled+0x48/0x280
[  589.738625]  filemap_fault+0x1595/0x25f0
[  589.738651]  ? __lock_page_or_retry+0xa00/0xa00
[  589.738667]  ? mark_held_locks+0x130/0x130
[  589.738690]  ? filemap_map_pages+0xd6b/0x1a20
[  589.738706]  ? lock_downgrade+0x900/0x900
[  589.738719]  ? check_preemption_disabled+0x48/0x280
[  589.738736]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.738749]  ? kasan_check_read+0x11/0x20
[  589.738761]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.738775]  ? rcu_softirq_qs+0x20/0x20
[  589.738817]  ? filemap_map_pages+0xd92/0x1a20
[  589.738845]  ? find_get_entries_tag+0x1400/0x1400
[  589.738860]  ? __kernel_text_address+0xd/0x40
[  589.738874]  ? unwind_get_return_address+0x61/0xa0
[  589.738904]  ? lock_acquire+0x1ed/0x520
[  589.738921]  ? ext4_filemap_fault+0x7a/0xad
[  589.738942]  ? lock_release+0xa00/0xa00
[  589.738955]  ? perf_trace_sched_process_exec+0x860/0x860
[  589.738968]  ? print_usage_bug+0xc0/0xc0
[  589.738983]  ? print_usage_bug+0xc0/0xc0
[  589.738995]  ? __x64_sys_read+0x73/0xb0
[  589.739010]  ? print_usage_bug+0xc0/0xc0
[  589.739035]  ? down_read+0x8d/0x120
[  589.739047]  ? ext4_filemap_fault+0x7a/0xad
[  589.739062]  ? __down_interruptible+0x700/0x700
[  589.739086]  ext4_filemap_fault+0x82/0xad
[  589.739101]  __do_fault+0x100/0x6b0
[  589.739114]  ? trace_hardirqs_on+0xbd/0x310
[  589.739132]  ? pmd_devmap_trans_unstable+0x220/0x220
[  589.739150]  ? mark_held_locks+0x130/0x130
[  589.739165]  ? mark_held_locks+0x130/0x130
[  589.739178]  ? do_syslog+0x147b/0x1690
[  589.739197]  ? do_syslog+0x309/0x1690
[  589.739211]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.739231]  __handle_mm_fault+0x3ea0/0x5be0
[  589.739254]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  589.739272]  ? find_held_lock+0x36/0x1c0
[  589.739310]  ? zap_class+0x640/0x640
[  589.739323]  ? zap_class+0x640/0x640
[  589.739344]  ? find_held_lock+0x36/0x1c0
[  589.739368]  ? handle_mm_fault+0x42a/0xc70
[  589.739384]  ? lock_downgrade+0x900/0x900
[  589.739398]  ? check_preemption_disabled+0x48/0x280
[  589.739415]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  589.739428]  ? kasan_check_read+0x11/0x20
[  589.739449]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.739463]  ? rcu_softirq_qs+0x20/0x20
[  589.739477]  ? trace_hardirqs_off_caller+0x310/0x310
[  589.739492]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.739507]  ? check_preemption_disabled+0x48/0x280
[  589.739529]  handle_mm_fault+0x54f/0xc70
[  589.739547]  ? __handle_mm_fault+0x5be0/0x5be0
[  589.739566]  ? find_vma+0x34/0x190
[  589.739585]  __do_page_fault+0x5e8/0xe60
[  589.739598]  ? trace_hardirqs_off+0xb8/0x310
[  589.739610]  ? kernel_write+0x120/0x120
[  589.739634]  do_page_fault+0xf2/0x7e0
[  589.739650]  ? vmalloc_sync_all+0x30/0x30
[  589.739663]  ? error_entry+0x70/0xd0
[  589.739678]  ? trace_hardirqs_off_caller+0xbb/0x310
[  589.739691]  ? trace_hardirqs_on_caller+0xc0/0x310
[  589.739705]  ? syscall_return_slowpath+0x5e0/0x5e0
[  589.739719]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.739734]  ? trace_hardirqs_on_caller+0x310/0x310
[  589.739748]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  589.739767]  ? prepare_exit_to_usermode+0x291/0x3b0
[  589.739781]  ? page_fault+0x8/0x30
[  589.739797]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  589.739814]  ? page_fault+0x8/0x30
[  589.739829]  page_fault+0x1e/0x30
[  589.739839] RIP: 0033:0x7fe9f4ff21fd
[  589.739857] Code: Bad RIP value.
[  589.739865] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  589.739877] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  589.739886] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  589.739894] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  589.739903] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  589.739912] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  589.739944] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  589.739948] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  589.739953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  589.739957] Call Trace:
[  589.739962]  <IRQ>
[  589.739977]  dump_stack+0x244/0x39d
[  589.739996]  ? dump_stack_print_info.cold.1+0x20/0x20
[  589.740020]  warn_alloc.cold.116+0xb7/0x1bd
[  589.740035]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  589.740049]  ? lock_downgrade+0x900/0x900
[  589.740070]  ? trace_hardirqs_off+0xb8/0x310
[  589.740090]  ? trace_hardirqs_off+0xb8/0x310
[  589.751494] files_cache               28KB         78KB
[  589.755398]  __alloc_pages_slowpath+0x2651/0x2de0
[  589.761602] signal_cache             299KB        725KB
[  589.765651]  ? warn_alloc+0x120/0x120
[  589.771172] sighand_cache            478KB        534KB
[  589.776212]  ? print_usage_bug+0xc0/0xc0
[  589.781464] task_struct             1348KB       1348KB
[  589.786268]  ? warn_alloc+0x120/0x120
[  589.792065] cred_jar                  60KB        428KB
[  589.796973]  ? warn_alloc+0x120/0x120
[  589.802429] anon_vma_chain            92KB        330KB
[  589.807409]  ? print_usage_bug+0xc0/0xc0
[  589.812255] anon_vma                 119KB        346KB
[  589.817760]  ? enqueue_hrtimer+0x1a5/0x560
[  589.822002] pid                       26KB        172KB
[  589.827507]  ? print_usage_bug+0xc0/0xc0
[  589.829723] Acpi-Operand             106KB        162KB
[  589.835181]  ? __lock_acquire+0x62f/0x4c20
[  589.835196]  ? __lock_acquire+0x62f/0x4c20
[  589.835213]  ? kasan_check_write+0x14/0x20
[  589.840154] Acpi-Namespace            19KB         23KB
[  589.859045]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  589.859060]  ? should_fail+0x22d/0xd01
[  589.859079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.866809] numa_policy                0KB          3KB
[  589.872139]  ? __lock_acquire+0x62f/0x4c20
[  589.872157]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  589.872173]  ? __lock_acquire+0x62f/0x4c20
[  589.879429] debug_objects_cache        890KB        893KB
[  589.886691]  ? should_fail+0x22d/0xd01
[  589.886715]  ? mark_held_locks+0x130/0x130
[  589.886734]  ? mark_held_locks+0x130/0x130
[  589.894026] trace_event_file         260KB        262KB
[  589.901262]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  589.901275]  ? ktime_get+0x2c1/0x400
[  589.901291]  ? zap_class+0x640/0x640
[  589.908552] ftrace_event_field        376KB        381KB
[  589.914094]  ? print_usage_bug+0xc0/0xc0
[  589.914112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.914146]  ? check_preemption_disabled+0x48/0x280
[  589.917671] pool_workqueue            87KB         92KB
[  589.922165]  ? __lock_is_held+0xb5/0x140
[  589.922204]  __alloc_pages_nodemask+0xad8/0xea0
[  589.927547] task_group                 5KB          7KB
[  589.931425]  ? zap_class+0x640/0x640
[  589.931454]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  589.931478]  ? find_held_lock+0x36/0x1c0
[  589.936919] page->ptl                 66KB        569KB
[  589.942048]  ? ____cache_alloc_node+0x1c7/0x1e0
[  589.942063]  ? lock_downgrade+0x900/0x900
[  589.942082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  589.947454] kmalloc-2M              2050KB       2050KB
[  589.951484]  cache_grow_begin+0xa5/0x8c0
[  589.951497]  ? do_raw_spin_unlock+0xa7/0x330
[  589.951516]  fallback_alloc+0x204/0x2e0
[  589.955553] kmalloc-512k            2056KB       2056KB
[  589.960902]  ____cache_alloc_node+0x1c7/0x1e0
[  589.964958] kmalloc-256k            1290KB       1290KB
[  589.968994]  kmem_cache_alloc_node+0xe3/0x730
[  589.974877] kmalloc-128k             650KB        650KB
[  589.978905]  ? ipv6_get_ifaddr+0x42e/0x620
[  589.982962] kmalloc-64k              330KB        330KB
[  589.988290]  __alloc_skb+0x119/0x770
[  589.992397] kmalloc-32k             1221KB       1221KB
[  589.996415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  589.996431]  ? netdev_alloc_frag+0x1f0/0x1f0
[  590.000485] kmalloc-16k              462KB        462KB
[  590.004527]  ? lock_downgrade+0x900/0x900
[  590.004545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.004560]  ? refcount_sub_and_test_checked+0x203/0x310
[  590.009910] kmalloc-8k              1996KB       1996KB
[  590.013983]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  590.013997]  ? addrconf_rs_timer+0x690/0x690
[  590.014018]  ndisc_alloc_skb+0x144/0x340
[  590.014033]  ndisc_send_rs+0x331/0x6e0
[  590.014050]  addrconf_rs_timer+0x314/0x690
[  590.014063] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  590.014073]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.014076] rsyslogd cpuset=
[  590.014093]  call_timer_fn+0x272/0x920
[  590.014103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.014133]  ? process_timeout+0x40/0x40
[  590.014164]  ? __run_timers+0x7da/0xc70
[  590.014192]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.014200]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.014209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.014222]  ? lockdep_hardirqs_on+0x296/0x5b0
[  590.014237]  ? trace_hardirqs_on+0xbd/0x310
[  590.014250]  ? kasan_check_read+0x11/0x20
[  590.014252] / mems_allowed=0
[  590.014265]  ? __run_timers+0x7da/0xc70
[  590.014280]  ? trace_hardirqs_off_caller+0x310/0x310
[  590.014296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.014314]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  590.014325]  __run_timers+0x7e5/0xc70
[  590.014348]  ? timer_fixup_init+0x70/0x70
[  590.014363]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  590.014377]  ? zap_class+0x640/0x640
[  590.014394]  ? enqueue_hrtimer+0x1a5/0x560
[  590.014409]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  590.014429]  ? find_held_lock+0x36/0x1c0
[  590.014457]  ? zap_class+0x640/0x640
[  590.014474]  ? pvclock_read_flags+0x160/0x160
[  590.014489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.014503]  ? check_preemption_disabled+0x48/0x280
[  590.014526]  ? __lock_is_held+0xb5/0x140
[  590.014540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.014555]  ? check_preemption_disabled+0x48/0x280
[  590.014573]  run_timer_softirq+0x52/0xb0
[  590.014586]  ? rcu_read_lock_sched_held+0x14f/0x180
[  590.014600]  __do_softirq+0x308/0xb7e
[  590.014616]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  590.014629]  ? lock_downgrade+0x900/0x900
[  590.014646]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  590.014666]  ? pvclock_read_flags+0x160/0x160
[  590.014682]  ? lapic_next_event+0x5a/0x90
[  590.014697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.014716]  ? kvm_clock_read+0x18/0x30
[  590.014729]  ? kvm_sched_clock_read+0x9/0x20
[  590.014744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.014758]  ? check_preemption_disabled+0x48/0x280
[  590.014781]  irq_exit+0x17f/0x1c0
[  590.014802]  smp_apic_timer_interrupt+0x1cb/0x760
[  590.014814]  ? smp_reschedule_interrupt+0x109/0x650
[  590.014829]  ? smp_call_function_single_interrupt+0x650/0x650
[  590.014841]  ? interrupt_entry+0xb5/0xc0
[  590.014855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  590.014868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  590.014883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.014897]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.014910]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.014934]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.014955]  apic_timer_interrupt+0xf/0x20
[  590.014962]  </IRQ>
[  590.014975] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  590.014989] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  590.014996] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  590.015009] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  590.015017] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  590.015025] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  590.015033] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  590.015042] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  590.015083]  skb_clone+0x1bb/0x500
[  590.015097]  ? finish_task_switch+0x2f4/0x910
[  590.015111]  ? skb_split+0x11e0/0x11e0
[  590.015126]  ? preempt_notifier_register+0x200/0x200
[  590.015137]  ? __switch_to_asm+0x34/0x70
[  590.015149]  ? __switch_to_asm+0x34/0x70
[  590.015159]  ? __switch_to_asm+0x40/0x70
[  590.015170]  ? __switch_to_asm+0x34/0x70
[  590.015180]  ? __switch_to_asm+0x40/0x70
[  590.015191]  ? __switch_to_asm+0x34/0x70
[  590.015201]  ? __switch_to_asm+0x40/0x70
[  590.015212]  ? __switch_to_asm+0x34/0x70
[  590.015223]  ? __switch_to_asm+0x34/0x70
[  590.015233]  ? __switch_to_asm+0x40/0x70
[  590.015244]  ? __switch_to_asm+0x34/0x70
[  590.015261]  bpf_clone_redirect+0xb9/0x490
[  590.015275]  ? __schedule+0x8d7/0x21d0
[  590.015293]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  590.015309]  ? __sched_text_start+0x8/0x8
[  590.015325]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  590.015336]  ? retint_kernel+0x2d/0x2d
[  590.015350]  ? trace_hardirqs_on_caller+0xc0/0x310
[  590.015367]  ? find_held_lock+0x36/0x1c0
[  590.015388]  ? lock_acquire+0x1ed/0x520
[  590.015402]  ? bpf_test_run+0x3ee/0x7a0
[  590.015415]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.015429]  ? check_preemption_disabled+0x48/0x280
[  590.015456]  ? kasan_check_read+0x11/0x20
[  590.015468]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.015481]  ? rcu_softirq_qs+0x20/0x20
[  590.015496]  ? preempt_schedule+0x4d/0x60
[  590.015509]  ? ___preempt_schedule+0x16/0x18
[  590.015529]  ? bpf_test_run+0x271/0x7a0
[  590.015554]  ? netlink_diag_dump+0x2a0/0x2a0
[  590.015571]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.015584]  ? bpf_test_init.isra.10+0x70/0x100
[  590.015603]  ? bpf_prog_test_run_skb+0x762/0xd60
[  590.015625]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  590.015644]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  590.015658]  ? fput+0x130/0x1a0
[  590.015675]  ? __bpf_prog_get+0x9b/0x290
[  590.015691]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  590.015705]  ? bpf_prog_test_run+0x130/0x1a0
[  590.015721]  ? __x64_sys_bpf+0x3d8/0x520
[  590.015734]  ? bpf_prog_get+0x20/0x20
[  590.015765]  ? do_syscall_64+0x1b9/0x820
[  590.015777]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  590.015797]  ? syscall_return_slowpath+0x5e0/0x5e0
[  590.015810]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.015825]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.015840]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  590.015855]  ? prepare_exit_to_usermode+0x291/0x3b0
[  590.015874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.015894]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  590.015924] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  590.015931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  590.015935] Call Trace:
[  590.015940]  <IRQ>
[  590.015969]  dump_stack+0x244/0x39d
[  590.015985]  ? dump_stack_print_info.cold.1+0x20/0x20
[  590.015989] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  590.016006]  warn_alloc.cold.116+0xb7/0x1bd
[  590.016019]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  590.016035]  ? lock_downgrade+0x900/0x900
[  590.016053]  ? trace_hardirqs_off+0xb8/0x310
[  590.016071]  ? trace_hardirqs_off+0xb8/0x310
[  590.016091]  __alloc_pages_slowpath+0x2651/0x2de0
[  590.016128]  ? warn_alloc+0x120/0x120
[  590.016145]  ? warn_alloc+0x120/0x120
[  590.016160]  ? warn_alloc+0x120/0x120
[  590.016170]  ? wake_up_klogd+0x180/0x180
[  590.016181] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  590.016191]  ? print_usage_bug+0xc0/0xc0
[  590.016193] syz-executor4 cpuset=
[  590.016204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.016206] syz4 mems_allowed=0
[  590.016220]  ? number+0x972/0xca0
[  590.016233]  ? print_usage_bug+0xc0/0xc0
[  590.016252]  ? put_dec+0xf0/0xf0
[  590.016265]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.016278]  ? should_fail+0x22d/0xd01
[  590.016304]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.016318]  ? __lock_acquire+0x62f/0x4c20
[  590.016335]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.016347]  ? should_fail+0x22d/0xd01
[  590.016359]  ? vsnprintf+0x20d/0x1b60
[  590.016381]  ? mark_held_locks+0x130/0x130
[  590.016397]  ? mark_held_locks+0x130/0x130
[  590.016409]  ? print_usage_bug+0xc0/0xc0
[  590.016429]  ? zap_class+0x640/0x640
[  590.016453]  ? print_usage_bug+0xc0/0xc0
[  590.016468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.016482]  ? check_preemption_disabled+0x48/0x280
[  590.016504]  ? __lock_is_held+0xb5/0x140
[  590.016522]  __alloc_pages_nodemask+0xad8/0xea0
[  590.016534]  ? zap_class+0x640/0x640
[  590.016552]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  590.016575]  ? find_held_lock+0x36/0x1c0
[  590.016597]  ? ____cache_alloc_node+0x1c7/0x1e0
[  590.016611]  ? lock_downgrade+0x900/0x900
[  590.016631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.016648]  cache_grow_begin+0xa5/0x8c0
[  590.016660]  ? do_raw_spin_unlock+0xa7/0x330
[  590.016680]  fallback_alloc+0x204/0x2e0
[  590.016699]  ____cache_alloc_node+0x1c7/0x1e0
[  590.016717]  kmem_cache_alloc+0x1f8/0x730
[  590.016729]  ? print_usage_bug+0xc0/0xc0
[  590.016751]  __build_skb+0xab/0x430
[  590.016765]  ? skb_try_coalesce+0x1b70/0x1b70
[  590.016777]  ? mark_held_locks+0x130/0x130
[  590.016788]  ? vprintk_emit+0x770/0x990
[  590.016802]  ? __alloc_pages_nodemask+0xea0/0xea0
[  590.016816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.016830]  ? check_preemption_disabled+0x48/0x280
[  590.016849]  __napi_alloc_skb+0x1d6/0x310
[  590.016866]  page_to_skb.isra.45+0xee/0x8d0
[  590.016898]  ? check_preemption_disabled+0x48/0x280
[  590.016912]  ? virtnet_remove+0xf0/0xf0
[  590.016923]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.016936]  ? kasan_check_read+0x11/0x20
[  590.016948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.016961]  ? rcu_softirq_qs+0x20/0x20
[  590.016985]  receive_mergeable+0x155d/0x3a90
[  590.017025]  ? virtnet_probe+0x2240/0x2240
[  590.017041]  ? zap_class+0x640/0x640
[  590.017053]  ? is_bpf_text_address+0xac/0x170
[  590.017068]  ? lock_downgrade+0x900/0x900
[  590.017081]  ? check_preemption_disabled+0x48/0x280
[  590.017096]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.017108]  ? kasan_check_read+0x11/0x20
[  590.017120]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.017137]  ? find_held_lock+0x36/0x1c0
[  590.017158]  ? ___ratelimit+0x3b4/0x672
[  590.017172]  ? lock_downgrade+0x900/0x900
[  590.017191]  ? trace_hardirqs_off+0xb8/0x310
[  590.017203]  ? kasan_check_read+0x11/0x20
[  590.017215]  ? do_raw_spin_unlock+0xa7/0x330
[  590.017228]  ? trace_hardirqs_on+0x310/0x310
[  590.017242]  ? trace_hardirqs_on+0x310/0x310
[  590.017262]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  590.017276]  ? ___ratelimit+0x3b9/0x672
[  590.017296]  ? idr_get_free+0xf70/0xf70
[  590.017320]  ? warn_alloc.cold.116+0xd1/0x1bd
[  590.017340]  ? lock_downgrade+0x900/0x900
[  590.017357]  ? print_usage_bug+0xc0/0xc0
[  590.017371]  ? trace_hardirqs_off+0xb8/0x310
[  590.017390]  ? trace_hardirqs_off+0xb8/0x310
[  590.017416]  ? __lock_acquire+0x62f/0x4c20
[  590.017454]  ? mark_held_locks+0x130/0x130
[  590.017469]  ? warn_alloc+0x120/0x120
[  590.017484]  ? print_usage_bug+0xc0/0xc0
[  590.017497]  ? print_usage_bug+0xc0/0xc0
[  590.017509]  ? warn_alloc+0x120/0x120
[  590.017522]  ? print_usage_bug+0xc0/0xc0
[  590.017535]  ? print_usage_bug+0xc0/0xc0
[  590.017551]  ? print_usage_bug+0xc0/0xc0
[  590.017563]  ? print_usage_bug+0xc0/0xc0
[  590.017577]  ? print_usage_bug+0xc0/0xc0
[  590.017596]  ? __lock_acquire+0x62f/0x4c20
[  590.017614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.017627]  ? __msecs_to_jiffies+0x4a/0x60
[  590.017643]  ? zap_class+0x640/0x640
[  590.017658]  ? __update_load_avg_se+0x5eb/0xae0
[  590.017670]  ? mark_held_locks+0x130/0x130
[  590.017682]  ? __update_idle_core+0x600/0x600
[  590.017703]  receive_buf+0xb3c/0x3270
[  590.017731]  ? receive_mergeable+0x3a90/0x3a90
[  590.017748]  ? attach_entity_load_avg+0x860/0x860
[  590.017767]  ? zap_class+0x640/0x640
[  590.017782]  ? print_usage_bug+0xc0/0xc0
[  590.017796]  ? rb_insert_color+0x1460/0x1460
[  590.017806]  ? rb_erase+0x3710/0x3710
[  590.017818]  ? try_to_wake_up+0x11c/0x1490
[  590.017831]  ? zap_class+0x640/0x640
[  590.017846]  ? zap_class+0x640/0x640
[  590.017861]  ? print_usage_bug+0xc0/0xc0
[  590.017875]  ? zap_class+0x640/0x640
[  590.017893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.017906]  ? check_preemption_disabled+0x48/0x280
[  590.017928]  ? __lock_is_held+0xb5/0x140
[  590.017953]  ? rcu_read_lock_sched_held+0x14f/0x180
[  590.017965]  ? update_cfs_rq_load_avg.part.68+0x253/0x2e0
[  590.017977]  ? tg_unthrottle_up+0x220/0x220
[  590.018000]  ? print_usage_bug+0xc0/0xc0
[  590.018011]  ? update_load_avg+0x13b8/0x2470
[  590.018025]  ? __lock_acquire+0x62f/0x4c20
[  590.018042]  ? attach_entity_load_avg+0x860/0x860
[  590.018057]  ? zap_class+0x640/0x640
[  590.018070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.018084]  ? vring_use_dma_api+0xa5/0xc0
[  590.018097]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  590.018109]  ? vring_unmap_one+0x5a/0x410
[  590.018125]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  590.018152]  ? detach_buf+0x34b/0x5d0
[  590.018173]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  590.018186]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  590.018198]  ? mark_held_locks+0x130/0x130
[  590.018215]  ? virtqueue_detach_unused_buf+0x220/0x220
[  590.018230]  ? zap_class+0x640/0x640
[  590.018246]  virtnet_poll+0x421/0x105f
[  590.018268]  ? receive_buf+0x3270/0x3270
[  590.018282]  ? print_usage_bug+0xc0/0xc0
[  590.018304]  ? mark_held_locks+0xc7/0x130
[  590.018318]  ? net_rx_action+0x4b5/0x19b0
[  590.018329]  ? net_rx_action+0x4b5/0x19b0
[  590.018342]  ? lockdep_hardirqs_on+0x296/0x5b0
[  590.018364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.018378]  ? check_preemption_disabled+0x48/0x280
[  590.018394]  net_rx_action+0x7fa/0x19b0
[  590.018419]  ? napi_complete_done+0x7c0/0x7c0
[  590.018440]  ? mark_held_locks+0x130/0x130
[  590.018455]  ? print_usage_bug+0xc0/0xc0
[  590.018468]  ? zap_class+0x640/0x640
[  590.018481]  ? print_usage_bug+0xc0/0xc0
[  590.018496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.018509]  ? check_preemption_disabled+0x48/0x280
[  590.018523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.018536]  ? check_preemption_disabled+0x48/0x280
[  590.018557]  ? __lock_acquire+0x62f/0x4c20
[  590.018577]  ? check_preemption_disabled+0x48/0x280
[  590.018598]  ? mark_held_locks+0x130/0x130
[  590.018609]  ? __lock_is_held+0xb5/0x140
[  590.018634]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  590.018706]  ? credit_entropy_bits+0x667/0xa50
[  590.018724]  ? print_usage_bug+0xc0/0xc0
[  590.018760]  ? crng_reseed+0x750/0x750
[  590.018771]  ? add_interrupt_randomness+0x47e/0x870
[  590.018785]  ? lock_downgrade+0x900/0x900
[  590.018799]  ? __mix_pool_bytes+0x100/0x440
[  590.018811]  ? lock_release+0xa00/0xa00
[  590.018828]  ? zap_class+0x640/0x640
[  590.018846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.018859]  ? check_preemption_disabled+0x48/0x280
[  590.018880]  ? __lock_is_held+0xb5/0x140
[  590.018905]  __do_softirq+0x308/0xb7e
[  590.018922]  ? lock_downgrade+0x900/0x900
[  590.018954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  590.018974]  ? pvclock_read_flags+0x160/0x160
[  590.019011]  ? kvm_clock_read+0x18/0x30
[  590.019023]  ? kvm_sched_clock_read+0x9/0x20
[  590.019038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.019051]  ? check_preemption_disabled+0x48/0x280
[  590.019072]  irq_exit+0x17f/0x1c0
[  590.019083]  do_IRQ+0x111/0x1c0
[  590.019098]  common_interrupt+0xf/0xf
[  590.019104]  </IRQ>
[  590.019115] RIP: 0010:vprintk_emit+0x87d/0x990
[  590.019127] Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 de 00 00 00 48 83 3d 53 38 ec 07 00 74 34 e8 cc c7 19 00 48 8b bd 90 fe ff ff 57 9d <0f> 1f 44 00 00 e9 aa fe ff ff e8 b4 c7 19 00 0f 0b e8 ad c7 19 00
[  590.019134] RSP: 0000:ffff8881c7c75fc0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffffd8
[  590.019147] RAX: ffff8881c68d8380 RBX: 1ffff11038f8ebfe RCX: 1ffff11038d1b193
[  590.019154] RDX: 0000000000000000 RSI: ffffffff8165c324 RDI: 0000000000000293
[  590.019162] RBP: ffff8881c7c76138 R08: ffff8881c68d8c98 R09: 0000000000000006
[  590.019170] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 0000000000000200
[  590.019177] R13: 0000000000000000 R14: ffffed1038f8ec12 R15: ffff8881c7c76110
[  590.019198]  ? vprintk_emit+0x874/0x990
[  590.019219]  ? wake_up_klogd+0x180/0x180
[  590.019237]  ? find_held_lock+0x31/0x1c0
[  590.019258]  ? mark_held_locks+0xc7/0x130
[  590.019271]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.019282]  ? _raw_spin_unlock_irq+0x27/0x80
[  590.019306]  vprintk_default+0x28/0x30
[  590.019319]  vprintk_func+0x7e/0x181
[  590.019333]  printk+0xa7/0xcf
[  590.019345]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  590.019359]  ? _raw_spin_unlock_irq+0x60/0x80
[  590.019382]  dump_unreclaimable_slab.cold.22+0xd8/0xe6
[  590.019401]  dump_header+0x7cc/0xf72
[  590.019422]  ? pagefault_out_of_memory+0x197/0x197
[  590.019449]  ? __lock_acquire+0x62f/0x4c20
[  590.019463]  ? percpu_ref_get_many+0x240/0x240
[  590.019478]  ? print_usage_bug+0xc0/0xc0
[  590.019496]  ? zap_class+0x640/0x640
[  590.019512]  ? print_usage_bug+0xc0/0xc0
[  590.019526]  ? zap_class+0x640/0x640
[  590.019541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.019557]  ? find_held_lock+0x36/0x1c0
[  590.019578]  ? mark_held_locks+0xc7/0x130
[  590.019592]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  590.019603]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  590.019616]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  590.019630]  ? trace_hardirqs_on+0xbd/0x310
[  590.019642]  ? kasan_check_read+0x11/0x20
[  590.019653]  ? ___ratelimit+0x3b4/0x672
[  590.019666]  ? trace_hardirqs_off_caller+0x310/0x310
[  590.019680]  ? trace_hardirqs_on+0x310/0x310
[  590.019693]  ? lock_downgrade+0x900/0x900
[  590.019710]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  590.019723]  ? ___ratelimit+0x3b9/0x672
[  590.019737]  ? idr_get_free+0xf70/0xf70
[  590.019749]  ? find_held_lock+0x36/0x1c0
[  590.019769]  oom_kill_process.cold.27+0x10/0x903
[  590.019782]  ? zap_class+0x640/0x640
[  590.019793]  ? check_preemption_disabled+0x48/0x280
[  590.019809]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.019820]  ? kasan_check_read+0x11/0x20
[  590.019832]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.019845]  ? oom_evaluate_task+0x540/0x540
[  590.019861]  ? find_held_lock+0x36/0x1c0
[  590.019880]  ? out_of_memory+0x974/0x1430
[  590.019894]  ? lock_downgrade+0x900/0x900
[  590.019906]  ? check_preemption_disabled+0x48/0x280
[  590.019921]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.019933]  ? kasan_check_read+0x11/0x20
[  590.019945]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.019957]  ? rcu_softirq_qs+0x20/0x20
[  590.019973]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.019983]  ? oom_evaluate_task+0x302/0x540
[  590.019999]  out_of_memory+0xa84/0x1430
[  590.020019]  ? oom_killer_disable+0x3a0/0x3a0
[  590.020032]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  590.020061]  ? __ww_mutex_check_waiters+0x160/0x160
[  590.020084]  __alloc_pages_slowpath+0x232c/0x2de0
[  590.020120]  ? warn_alloc+0x120/0x120
[  590.020132]  ? mark_held_locks+0x130/0x130
[  590.020149]  ? find_get_entry+0xaae/0x1120
[  590.020169]  ? filemap_map_pages+0x1a20/0x1a20
[  590.020186]  ? zap_class+0x640/0x640
[  590.020203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.020215]  ? check_preemption_disabled+0x48/0x280
[  590.020228]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.020239]  ? should_fail+0x22d/0xd01
[  590.020255]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.020269]  ? zap_class+0x640/0x640
[  590.020307]  ? __lock_is_held+0xb5/0x140
[  590.020326]  ? mark_held_locks+0x130/0x130
[  590.020341]  ? lock_release+0xa00/0xa00
[  590.020353]  ? perf_trace_sched_process_exec+0x860/0x860
[  590.020365]  ? xa_load+0x2ba/0x460
[  590.020378]  ? lock_downgrade+0x900/0x900
[  590.020395]  ? __might_sleep+0x95/0x190
[  590.020411]  __alloc_pages_nodemask+0xad8/0xea0
[  590.020429]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  590.020449]  ? __page_cache_alloc+0x191/0x5c0
[  590.020461]  ? xa_load+0x2e1/0x460
[  590.020474]  ? xa_clear_mark+0x40/0x40
[  590.020488]  ? zap_class+0x640/0x640
[  590.020507]  ? zap_class+0x640/0x640
[  590.020518]  ? zap_class+0x640/0x640
[  590.020531]  ? __do_page_cache_readahead+0x663/0x810
[  590.020547]  ? find_held_lock+0x36/0x1c0
[  590.020564]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  590.020582]  alloc_pages_current+0x173/0x350
[  590.020599]  __page_cache_alloc+0x38c/0x5c0
[  590.020609]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.020621]  ? kasan_check_read+0x11/0x20
[  590.020632]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.020646]  ? generic_perform_write+0x6a0/0x6a0
[  590.020659]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.020672]  ? check_preemption_disabled+0x48/0x280
[  590.020691]  filemap_fault+0x1595/0x25f0
[  590.020714]  ? __lock_page_or_retry+0xa00/0xa00
[  590.020729]  ? mark_held_locks+0x130/0x130
[  590.020749]  ? filemap_map_pages+0xd6b/0x1a20
[  590.020762]  ? lock_downgrade+0x900/0x900
[  590.020774]  ? check_preemption_disabled+0x48/0x280
[  590.020788]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.020799]  ? kasan_check_read+0x11/0x20
[  590.020810]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.020822]  ? rcu_softirq_qs+0x20/0x20
[  590.020845]  ? filemap_map_pages+0xd92/0x1a20
[  590.020869]  ? find_get_entries_tag+0x1400/0x1400
[  590.020882]  ? __kernel_text_address+0xd/0x40
[  590.020894]  ? unwind_get_return_address+0x61/0xa0
[  590.020919]  ? lock_acquire+0x1ed/0x520
[  590.020930]  ? ext4_filemap_fault+0x7a/0xad
[  590.020948]  ? lock_release+0xa00/0xa00
[  590.020959]  ? perf_trace_sched_process_exec+0x860/0x860
[  590.020970]  ? print_usage_bug+0xc0/0xc0
[  590.020982]  ? print_usage_bug+0xc0/0xc0
[  590.020993]  ? __x64_sys_read+0x73/0xb0
[  590.021005]  ? print_usage_bug+0xc0/0xc0
[  590.021027]  ? down_read+0x8d/0x120
[  590.021037]  ? ext4_filemap_fault+0x7a/0xad
[  590.021050]  ? __down_interruptible+0x700/0x700
[  590.021075]  ext4_filemap_fault+0x82/0xad
[  590.021089]  __do_fault+0x100/0x6b0
[  590.021100]  ? trace_hardirqs_on+0xbd/0x310
[  590.021115]  ? pmd_devmap_trans_unstable+0x220/0x220
[  590.021130]  ? mark_held_locks+0x130/0x130
[  590.021143]  ? mark_held_locks+0x130/0x130
[  590.021154]  ? do_syslog+0x147b/0x1690
[  590.021170]  ? do_syslog+0x309/0x1690
[  590.021182]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.021199]  __handle_mm_fault+0x3ea0/0x5be0
[  590.021219]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  590.021234]  ? find_held_lock+0x36/0x1c0
[  590.021262]  ? zap_class+0x640/0x640
[  590.021273]  ? zap_class+0x640/0x640
[  590.021296]  ? find_held_lock+0x36/0x1c0
[  590.021316]  ? handle_mm_fault+0x42a/0xc70
[  590.021330]  ? lock_downgrade+0x900/0x900
[  590.021342]  ? check_preemption_disabled+0x48/0x280
[  590.021356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  590.021368]  ? kasan_check_read+0x11/0x20
[  590.021379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  590.021391]  ? rcu_softirq_qs+0x20/0x20
[  590.021402]  ? trace_hardirqs_off_caller+0x310/0x310
[  590.021415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.021428]  ? check_preemption_disabled+0x48/0x280
[  590.021454]  handle_mm_fault+0x54f/0xc70
[  590.021470]  ? __handle_mm_fault+0x5be0/0x5be0
[  590.021486]  ? find_vma+0x34/0x190
[  590.021503]  __do_page_fault+0x5e8/0xe60
[  590.021528]  ? trace_hardirqs_off+0xb8/0x310
[  590.021539]  ? kernel_write+0x120/0x120
[  590.021560]  do_page_fault+0xf2/0x7e0
[  590.021574]  ? vmalloc_sync_all+0x30/0x30
[  590.021586]  ? error_entry+0x70/0xd0
[  590.021599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  590.021611]  ? trace_hardirqs_on_caller+0xc0/0x310
[  590.021623]  ? syscall_return_slowpath+0x5e0/0x5e0
[  590.021635]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.021649]  ? trace_hardirqs_on_caller+0x310/0x310
[  590.021661]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  590.021678]  ? prepare_exit_to_usermode+0x291/0x3b0
[  590.021689]  ? page_fault+0x8/0x30
[  590.021704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  590.021719]  ? page_fault+0x8/0x30
[  590.021732]  page_fault+0x1e/0x30
[  590.021742] RIP: 0033:0x7fe9f4ff21fd
[  590.021762] Code: Bad RIP value.
[  590.021769] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  590.021779] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  590.021786] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  590.021809] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  590.021816] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  590.021824] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  590.021851] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  590.021858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  590.021862] Call Trace:
[  590.021867]  <IRQ>
[  590.021878]  dump_stack+0x244/0x39d
[  590.021893]  ? dump_stack_print_info.cold.1+0x20/0x20
[  590.021914]  warn_alloc.cold.116+0xb7/0x1bd
[  590.031302] kmalloc-4k              7229KB       7229KB
[  590.035363]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  590.040361] kmalloc-2k              6865KB       8663KB
[  590.044496]  ? lock_downgrade+0x900/0x900
[  590.044515]  ? trace_hardirqs_off+0xb8/0x310
[  590.044533]  ? trace_hardirqs_off+0xb8/0x310
[  590.049095] kmalloc-1k           3015865KB    3015865KB
[  590.054457]  __alloc_pages_slowpath+0x2651/0x2de0
[  590.054495]  ? warn_alloc+0x120/0x120
[  590.058354] kmalloc-512          1677165KB    1677165KB
[  590.063270]  ? print_usage_bug+0xc0/0xc0
[  590.063284]  ? warn_alloc+0x120/0x120
[  590.063304]  ? warn_alloc+0x120/0x120
[  590.067344] kmalloc-256             2622KB       3022KB
[  590.072705]  ? print_usage_bug+0xc0/0xc0
[  590.072732]  ? enqueue_hrtimer+0x1a5/0x560
[  590.072748]  ? print_usage_bug+0xc0/0xc0
[  590.076718] kmalloc-128              548KB       1074KB
[  590.080678]  ? __lock_acquire+0x62f/0x4c20
[  590.086388] kmalloc-96               644KB       2516KB
[  590.091762]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  590.091796]  ? should_fail+0x22d/0xd01
[  590.091810]  ? __lock_acquire+0x62f/0x4c20
[  590.096808] kmalloc-64              1450KB       2404KB
[  590.100944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.106241] kmalloc-32              1105KB       1689KB
[  590.111562]  ? __lock_acquire+0x62f/0x4c20
[  590.111580]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  590.111595]  ? __lock_acquire+0x62f/0x4c20
[  590.115550] kmalloc-192              740KB        944KB
[  590.119681]  ? should_fail+0x22d/0xd01
[  590.119704]  ? mark_held_locks+0x130/0x130
[  590.124108] kmem_cache               263KB        270KB
[  590.129474]  ? mark_held_locks+0x130/0x130
[  590.133475] Out of memory: Kill process 6031 (syz-fuzzer) score 25 or sacrifice child
[  590.137847]  ? try_to_wake_up+0x11c/0x1490
[  590.143296] Killed process 6092 (syz-executor3) total-vm:70212kB, anon-rss:64kB, file-rss:0kB, shmem-rss:0kB
[  590.148747]  ? lock_downgrade+0x900/0x900
[  590.154418] oom_reaper: reaped process 6092 (syz-executor3), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[  590.158748]  ? zap_class+0x640/0x640
[  590.169298] rsyslogd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0
[  590.173669]  ? print_usage_bug+0xc0/0xc0
[  590.173682]  ? trace_hardirqs_off+0xb8/0x310
[  590.173694]  ? kasan_check_read+0x11/0x20
[  590.173710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  590.179229] rsyslogd cpuset=/ mems_allowed=0
[  590.182496]  ? check_preemption_disabled+0x48/0x280
[  590.182518]  ? __lock_is_held+0xb5/0x140
[  590.182535]  __alloc_pages_nodemask+0xad8/0xea0
[  598.065512]  ? zap_class+0x640/0x640
[  598.069250]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  598.074281]  ? find_held_lock+0x36/0x1c0
[  598.078352]  ? ____cache_alloc_node+0x1c7/0x1e0
[  598.083032]  ? lock_downgrade+0x900/0x900
[  598.087208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.092753]  cache_grow_begin+0xa5/0x8c0
[  598.096827]  ? do_raw_spin_unlock+0xa7/0x330
[  598.101258]  fallback_alloc+0x204/0x2e0
[  598.105239]  ____cache_alloc_node+0x1c7/0x1e0
[  598.109775]  kmem_cache_alloc_node+0xe3/0x730
[  598.114310]  ? ipv6_get_ifaddr+0x42e/0x620
[  598.118561]  __alloc_skb+0x119/0x770
[  598.122276]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.127560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  598.131972]  ? lock_downgrade+0x900/0x900
[  598.136128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.141672]  ? refcount_sub_and_test_checked+0x203/0x310
[  598.147127]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  598.152594]  ? addrconf_rs_timer+0x690/0x690
[  598.157019]  ndisc_alloc_skb+0x144/0x340
[  598.161103]  ndisc_send_rs+0x331/0x6e0
[  598.164999]  addrconf_rs_timer+0x314/0x690
[  598.169256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.173502]  call_timer_fn+0x272/0x920
[  598.177390]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.181644]  ? process_timeout+0x40/0x40
[  598.185711]  ? __run_timers+0x7da/0xc70
[  598.189687]  ? _raw_spin_unlock_irq+0x27/0x80
[  598.194180]  ? _raw_spin_unlock_irq+0x27/0x80
[  598.198675]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.202927]  ? lockdep_hardirqs_on+0x296/0x5b0
[  598.207514]  ? trace_hardirqs_on+0xbd/0x310
[  598.211838]  ? kasan_check_read+0x11/0x20
[  598.215986]  ? __run_timers+0x7da/0xc70
[  598.219964]  ? trace_hardirqs_off_caller+0x310/0x310
[  598.225076]  ? __queue_work+0x1440/0x1440
[  598.229232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  598.233483]  __run_timers+0x7e5/0xc70
[  598.237293]  ? timer_fixup_init+0x70/0x70
[  598.241452]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  598.246474]  ? zap_class+0x640/0x640
[  598.250197]  ? enqueue_hrtimer+0x1a5/0x560
[  598.254446]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  598.259646]  ? find_held_lock+0x36/0x1c0
[  598.263719]  ? zap_class+0x640/0x640
[  598.267461]  ? pvclock_read_flags+0x160/0x160
[  598.271961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.277504]  ? check_preemption_disabled+0x48/0x280
[  598.282550]  ? __lock_is_held+0xb5/0x140
[  598.286616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.292156]  ? check_preemption_disabled+0x48/0x280
[  598.297194]  run_timer_softirq+0x52/0xb0
[  598.301255]  ? rcu_read_lock_sched_held+0x14f/0x180
[  598.306273]  __do_softirq+0x308/0xb7e
[  598.310076]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  598.314590]  ? lock_downgrade+0x900/0x900
[  598.318749]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  598.323862]  ? pvclock_read_flags+0x160/0x160
[  598.328365]  ? lapic_next_event+0x5a/0x90
[  598.332514]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.338060]  ? kvm_clock_read+0x18/0x30
[  598.342035]  ? kvm_sched_clock_read+0x9/0x20
[  598.346454]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.352000]  ? check_preemption_disabled+0x48/0x280
[  598.357043]  irq_exit+0x17f/0x1c0
[  598.360503]  smp_apic_timer_interrupt+0x1cb/0x760
[  598.365346]  ? smp_reschedule_interrupt+0x109/0x650
[  598.370366]  ? smp_call_function_single_interrupt+0x650/0x650
[  598.376256]  ? interrupt_entry+0xb5/0xc0
[  598.380321]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.385337]  ? trace_hardirqs_off_caller+0xbb/0x310
[  598.390359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.395215]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.400231]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.405262]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.410112]  apic_timer_interrupt+0xf/0x20
[  598.414341]  </IRQ>
[  598.416581] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  598.421516] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  598.440411] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  598.448118] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  598.455395] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  598.462658] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  598.469918] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  598.477187] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  598.484491]  skb_clone+0x1bb/0x500
[  598.488029]  ? finish_task_switch+0x2f4/0x910
[  598.492546]  ? skb_split+0x11e0/0x11e0
[  598.496455]  ? preempt_notifier_register+0x200/0x200
[  598.501564]  ? __switch_to_asm+0x34/0x70
[  598.505621]  ? __switch_to_asm+0x34/0x70
[  598.509681]  ? __switch_to_asm+0x40/0x70
[  598.513741]  ? __switch_to_asm+0x34/0x70
[  598.517813]  ? __switch_to_asm+0x40/0x70
[  598.521904]  ? __switch_to_asm+0x34/0x70
[  598.525958]  ? __switch_to_asm+0x40/0x70
[  598.530031]  ? __switch_to_asm+0x34/0x70
[  598.534091]  ? __switch_to_asm+0x34/0x70
[  598.538144]  ? __switch_to_asm+0x40/0x70
[  598.542199]  ? __switch_to_asm+0x34/0x70
[  598.546255]  bpf_clone_redirect+0xb9/0x490
[  598.550498]  ? __schedule+0x8d7/0x21d0
[  598.554396]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  598.559439]  ? __sched_text_start+0x8/0x8
[  598.563586]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  598.568161]  ? retint_kernel+0x2d/0x2d
[  598.572063]  ? trace_hardirqs_on_caller+0xc0/0x310
[  598.576995]  ? find_held_lock+0x36/0x1c0
[  598.581069]  ? lock_acquire+0x1ed/0x520
[  598.585062]  ? bpf_test_run+0x3ee/0x7a0
[  598.589052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.594621]  ? check_preemption_disabled+0x48/0x280
[  598.599637]  ? kasan_check_read+0x11/0x20
[  598.603781]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.609070]  ? rcu_softirq_qs+0x20/0x20
[  598.613037]  ? preempt_schedule+0x4d/0x60
[  598.617177]  ? ___preempt_schedule+0x16/0x18
[  598.621584]  ? bpf_test_run+0x271/0x7a0
[  598.625565]  ? netlink_diag_dump+0x2a0/0x2a0
[  598.629987]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.635536]  ? bpf_test_init.isra.10+0x70/0x100
[  598.640213]  ? bpf_prog_test_run_skb+0x762/0xd60
[  598.644980]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  598.649831]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  598.655368]  ? fput+0x130/0x1a0
[  598.658663]  ? __bpf_prog_get+0x9b/0x290
[  598.662728]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  598.667651]  ? bpf_prog_test_run+0x130/0x1a0
[  598.672061]  ? __x64_sys_bpf+0x3d8/0x520
[  598.676133]  ? bpf_prog_get+0x20/0x20
[  598.679945]  ? do_syscall_64+0x1b9/0x820
[  598.684000]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  598.689387]  ? syscall_return_slowpath+0x5e0/0x5e0
[  598.694327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.699199]  ? trace_hardirqs_on_caller+0x310/0x310
[  598.704229]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  598.709245]  ? prepare_exit_to_usermode+0x291/0x3b0
[  598.714263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  598.719113]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  598.724512] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  598.724589] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  598.731270] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  598.731275] Call Trace:
[  598.731300]  dump_stack+0x244/0x39d
[  598.731319]  ? dump_stack_print_info.cold.1+0x20/0x20
[  598.737938] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  598.747147]  ? mark_held_locks+0x130/0x130
[  598.749705] syz-executor4 cpuset=syz4 mems_allowed=0
[  598.753318]  ? mark_held_locks+0x130/0x130
[  598.782484]  dump_header+0x27b/0xf72
[  598.786210]  ? pagefault_out_of_memory+0x197/0x197
[  598.791148]  ? __lock_acquire+0x62f/0x4c20
[  598.795395]  ? percpu_ref_get_many+0x240/0x240
[  598.799978]  ? print_usage_bug+0xc0/0xc0
[  598.804055]  ? zap_class+0x640/0x640
[  598.807766]  ? print_usage_bug+0xc0/0xc0
[  598.811837]  ? print_usage_bug+0xc0/0xc0
[  598.815913]  ? zap_class+0x640/0x640
[  598.819631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  598.825176]  ? find_held_lock+0x36/0x1c0
[  598.829274]  ? mark_held_locks+0xc7/0x130
[  598.833430]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  598.838540]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  598.843674]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  598.848256]  ? trace_hardirqs_on+0xbd/0x310
[  598.852605]  ? kasan_check_read+0x11/0x20
[  598.856765]  ? ___ratelimit+0x3b4/0x672
[  598.860737]  ? trace_hardirqs_off_caller+0x310/0x310
[  598.865839]  ? trace_hardirqs_on+0x310/0x310
[  598.870275]  ? lock_downgrade+0x900/0x900
[  598.874445]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  598.879549]  ? ___ratelimit+0x3b9/0x672
[  598.883554]  ? idr_get_free+0xf70/0xf70
[  598.887537]  ? find_held_lock+0x36/0x1c0
[  598.891600]  oom_kill_process.cold.27+0x10/0x903
[  598.896359]  ? zap_class+0x640/0x640
[  598.900072]  ? check_preemption_disabled+0x48/0x280
[  598.905636]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  598.910567]  ? kasan_check_read+0x11/0x20
[  598.914711]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.919989]  ? oom_evaluate_task+0x540/0x540
[  598.924408]  ? find_held_lock+0x36/0x1c0
[  598.928488]  ? out_of_memory+0x974/0x1430
[  598.932639]  ? lock_downgrade+0x900/0x900
[  598.936791]  ? check_preemption_disabled+0x48/0x280
[  598.941812]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  598.946873]  ? kasan_check_read+0x11/0x20
[  598.951040]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  598.956320]  ? rcu_softirq_qs+0x20/0x20
[  598.960301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  598.965836]  ? oom_evaluate_task+0x302/0x540
[  598.970279]  out_of_memory+0xa84/0x1430
[  598.974398]  ? oom_killer_disable+0x3a0/0x3a0
[  598.978896]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  598.983835]  ? __ww_mutex_check_waiters+0x160/0x160
[  598.988950]  __alloc_pages_slowpath+0x232c/0x2de0
[  598.993829]  ? warn_alloc+0x120/0x120
[  598.997623]  ? mark_held_locks+0x130/0x130
[  599.001870]  ? find_get_entry+0xaae/0x1120
[  599.006127]  ? filemap_map_pages+0x1a20/0x1a20
[  599.010978]  ? zap_class+0x640/0x640
[  599.014701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.020241]  ? check_preemption_disabled+0x48/0x280
[  599.025258]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.030799]  ? should_fail+0x22d/0xd01
[  599.034687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  599.039792]  ? zap_class+0x640/0x640
[  599.043543]  ? __lock_is_held+0xb5/0x140
[  599.047628]  ? mark_held_locks+0x130/0x130
[  599.051867]  ? lock_release+0xa00/0xa00
[  599.055840]  ? perf_trace_sched_process_exec+0x860/0x860
[  599.061312]  ? xa_load+0x2ba/0x460
[  599.064870]  ? lock_downgrade+0x900/0x900
[  599.069038]  ? __might_sleep+0x95/0x190
[  599.073031]  __alloc_pages_nodemask+0xad8/0xea0
[  599.077725]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  599.082743]  ? __page_cache_alloc+0x191/0x5c0
[  599.087239]  ? xa_load+0x2e1/0x460
[  599.090785]  ? xa_clear_mark+0x40/0x40
[  599.094694]  ? zap_class+0x640/0x640
[  599.098457]  ? zap_class+0x640/0x640
[  599.102176]  ? zap_class+0x640/0x640
[  599.105905]  ? __do_page_cache_readahead+0x663/0x810
[  599.111016]  ? find_held_lock+0x36/0x1c0
[  599.115086]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  599.120632]  alloc_pages_current+0x173/0x350
[  599.125052]  __page_cache_alloc+0x38c/0x5c0
[  599.129386]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.134337]  ? kasan_check_read+0x11/0x20
[  599.138492]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.143777]  ? generic_perform_write+0x6a0/0x6a0
[  599.148537]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.154092]  ? check_preemption_disabled+0x48/0x280
[  599.159130]  filemap_fault+0x1595/0x25f0
[  599.163206]  ? __lock_page_or_retry+0xa00/0xa00
[  599.167882]  ? mark_held_locks+0x130/0x130
[  599.172130]  ? filemap_map_pages+0xd6b/0x1a20
[  599.176644]  ? lock_downgrade+0x900/0x900
[  599.180799]  ? check_preemption_disabled+0x48/0x280
[  599.185822]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.190751]  ? kasan_check_read+0x11/0x20
[  599.194903]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.200189]  ? rcu_softirq_qs+0x20/0x20
[  599.204180]  ? filemap_map_pages+0xd92/0x1a20
[  599.208692]  ? find_get_entries_tag+0x1400/0x1400
[  599.213538]  ? __kernel_text_address+0xd/0x40
[  599.218036]  ? unwind_get_return_address+0x61/0xa0
[  599.222981]  ? lock_acquire+0x1ed/0x520
[  599.226959]  ? ext4_filemap_fault+0x7a/0xad
[  599.231314]  ? lock_release+0xa00/0xa00
[  599.235295]  ? perf_trace_sched_process_exec+0x860/0x860
[  599.240761]  ? print_usage_bug+0xc0/0xc0
[  599.244824]  ? print_usage_bug+0xc0/0xc0
[  599.248898]  ? __x64_sys_read+0x73/0xb0
[  599.252873]  ? print_usage_bug+0xc0/0xc0
[  599.256948]  ? down_read+0x8d/0x120
[  599.260573]  ? ext4_filemap_fault+0x7a/0xad
[  599.264902]  ? __down_interruptible+0x700/0x700
[  599.269585]  ext4_filemap_fault+0x82/0xad
[  599.273738]  __do_fault+0x100/0x6b0
[  599.277370]  ? trace_hardirqs_on+0xbd/0x310
[  599.281702]  ? pmd_devmap_trans_unstable+0x220/0x220
[  599.286848]  ? mark_held_locks+0x130/0x130
[  599.291091]  ? mark_held_locks+0x130/0x130
[  599.295326]  ? do_syslog+0x147b/0x1690
[  599.299221]  ? do_syslog+0x309/0x1690
[  599.303021]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.308570]  __handle_mm_fault+0x3ea0/0x5be0
[  599.313002]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  599.317848]  ? find_held_lock+0x36/0x1c0
[  599.321927]  ? zap_class+0x640/0x640
[  599.325650]  ? zap_class+0x640/0x640
[  599.329372]  ? find_held_lock+0x36/0x1c0
[  599.333449]  ? handle_mm_fault+0x42a/0xc70
[  599.337687]  ? lock_downgrade+0x900/0x900
[  599.341835]  ? check_preemption_disabled+0x48/0x280
[  599.346883]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  599.351839]  ? kasan_check_read+0x11/0x20
[  599.355982]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.361272]  ? rcu_softirq_qs+0x20/0x20
[  599.365246]  ? trace_hardirqs_off_caller+0x310/0x310
[  599.370362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.375897]  ? check_preemption_disabled+0x48/0x280
[  599.380965]  handle_mm_fault+0x54f/0xc70
[  599.385090]  ? __handle_mm_fault+0x5be0/0x5be0
[  599.389672]  ? find_vma+0x34/0x190
[  599.393229]  __do_page_fault+0x5e8/0xe60
[  599.397303]  ? trace_hardirqs_off+0xb8/0x310
[  599.401702]  ? kernel_write+0x120/0x120
[  599.405696]  do_page_fault+0xf2/0x7e0
[  599.409489]  ? vmalloc_sync_all+0x30/0x30
[  599.413631]  ? error_entry+0x70/0xd0
[  599.417358]  ? trace_hardirqs_off_caller+0xbb/0x310
[  599.422380]  ? trace_hardirqs_on_caller+0xc0/0x310
[  599.427306]  ? syscall_return_slowpath+0x5e0/0x5e0
[  599.432226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  599.437079]  ? trace_hardirqs_on_caller+0x310/0x310
[  599.442103]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  599.447556]  ? prepare_exit_to_usermode+0x291/0x3b0
[  599.452577]  ? page_fault+0x8/0x30
[  599.456116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  599.460956]  ? page_fault+0x8/0x30
[  599.464508]  page_fault+0x1e/0x30
[  599.467974] RIP: 0033:0x7fe9f4ff21fd
[  599.471735] Code: Bad RIP value.
[  599.475121] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  599.480478] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  599.487738] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  599.495014] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  599.502280] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  599.509548] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  599.516851] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  599.517208] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  599.523959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  599.534018] rsyslogd cpuset=/ mems_allowed=0
[  599.543361] Call Trace:
[  599.550339]  <IRQ>
[  599.552495]  dump_stack+0x244/0x39d
[  599.556155]  ? dump_stack_print_info.cold.1+0x20/0x20
[  599.561352]  warn_alloc.cold.116+0xb7/0x1bd
[  599.565688]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  599.570531]  ? lock_downgrade+0x900/0x900
[  599.574678]  ? trace_hardirqs_off+0xb8/0x310
[  599.579102]  ? trace_hardirqs_off+0xb8/0x310
[  599.583515]  __alloc_pages_slowpath+0x2651/0x2de0
[  599.588376]  ? warn_alloc+0x120/0x120
[  599.592170]  ? print_usage_bug+0xc0/0xc0
[  599.596231]  ? warn_alloc+0x120/0x120
[  599.600047]  ? warn_alloc+0x120/0x120
[  599.603840]  ? print_usage_bug+0xc0/0xc0
[  599.607931]  ? print_usage_bug+0xc0/0xc0
[  599.612027]  ? __lock_acquire+0x62f/0x4c20
[  599.616270]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  599.621815]  ? should_fail+0x22d/0xd01
[  599.625695]  ? __lock_acquire+0x62f/0x4c20
[  599.629941]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  599.635043]  ? __lock_acquire+0x62f/0x4c20
[  599.639301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  599.644422]  ? __lock_acquire+0x62f/0x4c20
[  599.648692]  ? should_fail+0x22d/0xd01
[  599.652588]  ? mark_held_locks+0x130/0x130
[  599.656825]  ? mark_held_locks+0x130/0x130
[  599.661084]  ? zap_class+0x640/0x640
[  599.664823]  ? zap_class+0x640/0x640
[  599.668536]  ? print_usage_bug+0xc0/0xc0
[  599.672601]  ? wq_watchdog_touch+0x9c/0xfe
[  599.676899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.682459]  ? check_preemption_disabled+0x48/0x280
[  599.687500]  ? __lock_is_held+0xb5/0x140
[  599.691570]  __alloc_pages_nodemask+0xad8/0xea0
[  599.696254]  ? zap_class+0x640/0x640
[  599.699977]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  599.705060]  ? find_held_lock+0x36/0x1c0
[  599.709142]  ? ____cache_alloc_node+0x1c7/0x1e0
[  599.713835]  ? lock_downgrade+0x900/0x900
[  599.717991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.723564]  cache_grow_begin+0xa5/0x8c0
[  599.727628]  ? do_raw_spin_unlock+0xa7/0x330
[  599.732047]  fallback_alloc+0x204/0x2e0
[  599.736044]  ____cache_alloc_node+0x1c7/0x1e0
[  599.740581]  kmem_cache_alloc_node+0xe3/0x730
[  599.745079]  ? ipv6_get_ifaddr+0x42e/0x620
[  599.749328]  __alloc_skb+0x119/0x770
[  599.753042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  599.758322]  ? netdev_alloc_frag+0x1f0/0x1f0
[  599.762732]  ? lock_downgrade+0x900/0x900
[  599.766885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.772422]  ? refcount_sub_and_test_checked+0x203/0x310
[  599.778013]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  599.783473]  ? addrconf_rs_timer+0x690/0x690
[  599.787899]  ndisc_alloc_skb+0x144/0x340
[  599.791967]  ndisc_send_rs+0x331/0x6e0
[  599.795861]  addrconf_rs_timer+0x314/0x690
[  599.800101]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  599.804361]  call_timer_fn+0x272/0x920
[  599.808249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  599.812482]  ? process_timeout+0x40/0x40
[  599.816550]  ? __run_timers+0x7da/0xc70
[  599.820527]  ? _raw_spin_unlock_irq+0x27/0x80
[  599.825066]  ? _raw_spin_unlock_irq+0x27/0x80
[  599.829558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  599.833798]  ? lockdep_hardirqs_on+0x296/0x5b0
[  599.838382]  ? trace_hardirqs_on+0xbd/0x310
[  599.842708]  ? kasan_check_read+0x11/0x20
[  599.846857]  ? __run_timers+0x7da/0xc70
[  599.850841]  ? trace_hardirqs_off_caller+0x310/0x310
[  599.855956]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  599.860188]  __run_timers+0x7e5/0xc70
[  599.863998]  ? timer_fixup_init+0x70/0x70
[  599.868148]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  599.873162]  ? zap_class+0x640/0x640
[  599.876880]  ? enqueue_hrtimer+0x1a5/0x560
[  599.881119]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  599.886314]  ? find_held_lock+0x36/0x1c0
[  599.890394]  ? zap_class+0x640/0x640
[  599.894127]  ? pvclock_read_flags+0x160/0x160
[  599.898623]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.904163]  ? check_preemption_disabled+0x48/0x280
[  599.909187]  ? __lock_is_held+0xb5/0x140
[  599.913248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.918792]  ? check_preemption_disabled+0x48/0x280
[  599.923816]  run_timer_softirq+0x52/0xb0
[  599.927880]  ? rcu_read_lock_sched_held+0x14f/0x180
[  599.932902]  __do_softirq+0x308/0xb7e
[  599.936714]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  599.941207]  ? lock_downgrade+0x900/0x900
[  599.945359]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  599.950480]  ? pvclock_read_flags+0x160/0x160
[  599.954996]  ? lapic_next_event+0x5a/0x90
[  599.959148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.964695]  ? kvm_clock_read+0x18/0x30
[  599.968676]  ? kvm_sched_clock_read+0x9/0x20
[  599.973098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  599.978634]  ? check_preemption_disabled+0x48/0x280
[  599.983654]  irq_exit+0x17f/0x1c0
[  599.987104]  smp_apic_timer_interrupt+0x1cb/0x760
[  599.991948]  ? smp_reschedule_interrupt+0x109/0x650
[  599.996975]  ? smp_call_function_single_interrupt+0x650/0x650
[  600.002883]  ? interrupt_entry+0xb5/0xc0
[  600.006948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  600.011974]  ? trace_hardirqs_off_caller+0xbb/0x310
[  600.016990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.021837]  ? trace_hardirqs_on_caller+0x310/0x310
[  600.027113]  ? trace_hardirqs_on_caller+0x310/0x310
[  600.032132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.036976]  apic_timer_interrupt+0xf/0x20
[  600.041227]  </IRQ>
[  600.043511] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  600.048484] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  600.067376] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  600.075075] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  600.082338] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  600.089604] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  600.096872] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  600.104150] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  600.111457]  skb_clone+0x1bb/0x500
[  600.115002]  ? finish_task_switch+0x2f4/0x910
[  600.119505]  ? skb_split+0x11e0/0x11e0
[  600.123395]  ? preempt_notifier_register+0x200/0x200
[  600.128496]  ? __switch_to_asm+0x34/0x70
[  600.132550]  ? __switch_to_asm+0x34/0x70
[  600.136644]  ? __switch_to_asm+0x40/0x70
[  600.140695]  ? __switch_to_asm+0x34/0x70
[  600.144763]  ? __switch_to_asm+0x40/0x70
[  600.148819]  ? __switch_to_asm+0x34/0x70
[  600.152873]  ? __switch_to_asm+0x40/0x70
[  600.156923]  ? __switch_to_asm+0x34/0x70
[  600.160979]  ? __switch_to_asm+0x34/0x70
[  600.165035]  ? __switch_to_asm+0x40/0x70
[  600.169121]  ? __switch_to_asm+0x34/0x70
[  600.173182]  bpf_clone_redirect+0xb9/0x490
[  600.177410]  ? __schedule+0x8d7/0x21d0
[  600.181309]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  600.186325]  ? __sched_text_start+0x8/0x8
[  600.190470]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  600.195042]  ? retint_kernel+0x2d/0x2d
[  600.198924]  ? trace_hardirqs_on_caller+0xc0/0x310
[  600.203867]  ? find_held_lock+0x36/0x1c0
[  600.207961]  ? lock_acquire+0x1ed/0x520
[  600.211952]  ? bpf_test_run+0x3ee/0x7a0
[  600.215957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.221492]  ? check_preemption_disabled+0x48/0x280
[  600.226529]  ? kasan_check_read+0x11/0x20
[  600.230674]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  600.235954]  ? rcu_softirq_qs+0x20/0x20
[  600.239924]  ? preempt_schedule+0x4d/0x60
[  600.244111]  ? ___preempt_schedule+0x16/0x18
[  600.248537]  ? bpf_test_run+0x271/0x7a0
[  600.252515]  ? netlink_diag_dump+0x2a0/0x2a0
[  600.256923]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.262457]  ? bpf_test_init.isra.10+0x70/0x100
[  600.267130]  ? bpf_prog_test_run_skb+0x762/0xd60
[  600.271887]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  600.276743]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  600.282270]  ? fput+0x130/0x1a0
[  600.285563]  ? __bpf_prog_get+0x9b/0x290
[  600.289616]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  600.294486]  ? bpf_prog_test_run+0x130/0x1a0
[  600.298906]  ? __x64_sys_bpf+0x3d8/0x520
[  600.302977]  ? bpf_prog_get+0x20/0x20
[  600.306850]  ? do_syscall_64+0x1b9/0x820
[  600.310902]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  600.316276]  ? syscall_return_slowpath+0x5e0/0x5e0
[  600.321218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.326058]  ? trace_hardirqs_on_caller+0x310/0x310
[  600.331091]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  600.336107]  ? prepare_exit_to_usermode+0x291/0x3b0
[  600.341128]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  600.346164]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  600.351545] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  600.351550] warn_alloc_show_mem: 6 callbacks suppressed
[  600.351556] Mem-Info:
[  600.358327] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  600.363694] active_anon:43385 inactive_anon:190 isolated_anon:0
[  600.363694]  active_file:9 inactive_file:19 isolated_file:0
[  600.363694]  unevictable:0 dirty:0 writeback:0 unstable:0
[  600.363694]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  600.363694]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  600.363694]  free:13722 free_pcp:438 free_cma:0
[  600.366080] Call Trace:
[  600.375475] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  600.408228]  <IRQ>
[  600.410808] 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
[  600.438299]  dump_stack+0x244/0x39d
[  600.440442] lowmem_reserve[]: 0 2818 6321 6321
[  600.466543]  ? dump_stack_print_info.cold.1+0x20/0x20
[  600.470142] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  600.474727]  warn_alloc.cold.116+0xb7/0x1bd
[  600.479893] lowmem_reserve[]: 0 0 3503 3503
[  600.507424]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  600.511753] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:1160kB free_cma:0kB
[  600.516093]  ? lock_downgrade+0x900/0x900
[  600.520901] lowmem_reserve[]: 0 0 0 0
[  600.550131]  ? trace_hardirqs_off+0xb8/0x310
[  600.554252] 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
[  600.558072]  ? trace_hardirqs_off+0xb8/0x310
[  600.562462] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  600.575981]  __alloc_pages_slowpath+0x2651/0x2de0
[  600.580388] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  600.595411]  ? warn_alloc+0x120/0x120
[  600.600217] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  600.615753]  ? warn_alloc+0x120/0x120
[  600.619529] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  600.628346]  ? warn_alloc+0x120/0x120
[  600.632115] 272 total pagecache pages
[  600.640682]  ? print_usage_bug+0xc0/0xc0
[  600.644499] 0 pages in swap cache
[  600.648281]  ? zap_class+0x640/0x640
[  600.652321] Swap cache stats: add 0, delete 0, find 0/0
[  600.655758]  ? print_usage_bug+0xc0/0xc0
[  600.659481] Free swap  = 0kB
[  600.664831]  ? mark_held_locks+0x130/0x130
[  600.668862] Total swap = 0kB
[  600.671869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  600.676073] 1965979 pages RAM
[  600.679079]  ? should_fail+0x22d/0xd01
[  600.684580] 0 pages HighMem/MovableOnly
[  600.684588] 342854 pages reserved
[  600.687677]  ? __lock_acquire+0x62f/0x4c20
[  600.691531] 0 pages cma reserved
[  600.695494]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  600.698994] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  600.703175]  ? __lock_acquire+0x62f/0x4c20
[  600.703206]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  600.703217]  ? __lock_acquire+0x62f/0x4c20
[  600.703231]  ? should_fail+0x22d/0xd01
[  600.706649] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  600.711670]  ? mark_held_locks+0x130/0x130
[  600.718133] syz-executor4 cpuset=syz4 mems_allowed=0
[  600.722355]  ? mark_held_locks+0x130/0x130
[  600.759553]  ? try_to_wake_up+0x11c/0x1490
[  600.763814]  ? lock_downgrade+0x900/0x900
[  600.767966]  ? zap_class+0x640/0x640
[  600.771684]  ? print_usage_bug+0xc0/0xc0
[  600.775744]  ? trace_hardirqs_off+0xb8/0x310
[  600.780146]  ? kasan_check_read+0x11/0x20
[  600.784294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.789827]  ? check_preemption_disabled+0x48/0x280
[  600.794872]  ? __lock_is_held+0xb5/0x140
[  600.798982]  __alloc_pages_nodemask+0xad8/0xea0
[  600.803660]  ? zap_class+0x640/0x640
[  600.807373]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  600.812394]  ? find_held_lock+0x36/0x1c0
[  600.816471]  ? ____cache_alloc_node+0x1c7/0x1e0
[  600.821149]  ? lock_downgrade+0x900/0x900
[  600.825303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.830863]  cache_grow_begin+0xa5/0x8c0
[  600.834924]  ? do_raw_spin_unlock+0xa7/0x330
[  600.839337]  fallback_alloc+0x204/0x2e0
[  600.843314]  ____cache_alloc_node+0x1c7/0x1e0
[  600.847807]  kmem_cache_alloc_node+0xe3/0x730
[  600.852305]  ? ipv6_get_ifaddr+0x42e/0x620
[  600.856550]  __alloc_skb+0x119/0x770
[  600.860260]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  600.865544]  ? netdev_alloc_frag+0x1f0/0x1f0
[  600.869963]  ? lock_downgrade+0x900/0x900
[  600.874149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  600.879738]  ? refcount_sub_and_test_checked+0x203/0x310
[  600.885189]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  600.890637]  ? addrconf_rs_timer+0x690/0x690
[  600.895074]  ndisc_alloc_skb+0x144/0x340
[  600.899141]  ndisc_send_rs+0x331/0x6e0
[  600.903028]  addrconf_rs_timer+0x314/0x690
[  600.907791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  600.912046]  call_timer_fn+0x272/0x920
[  600.915933]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  600.920194]  ? process_timeout+0x40/0x40
[  600.924264]  ? mark_held_locks+0xc7/0x130
[  600.928417]  ? _raw_spin_unlock_irq+0x27/0x80
[  600.932935]  ? _raw_spin_unlock_irq+0x27/0x80
[  600.937430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  600.941675]  ? lockdep_hardirqs_on+0x296/0x5b0
[  600.946256]  ? trace_hardirqs_on+0xbd/0x310
[  600.950575]  ? kasan_check_read+0x11/0x20
[  600.954714]  ? __run_timers+0x7da/0xc70
[  600.958686]  ? trace_hardirqs_off_caller+0x310/0x310
[  600.963797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  600.968034]  __run_timers+0x7e5/0xc70
[  600.971857]  ? timer_fixup_init+0x70/0x70
[  600.976034]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  600.981059]  ? zap_class+0x640/0x640
[  600.984770]  ? print_usage_bug+0xc0/0xc0
[  600.988858]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  600.994122]  ? find_held_lock+0x36/0x1c0
[  600.998186]  ? zap_class+0x640/0x640
[  601.002300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.008077]  ? check_preemption_disabled+0x48/0x280
[  601.013867]  ? __lock_is_held+0xb5/0x140
[  601.018096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.023882]  ? check_preemption_disabled+0x48/0x280
[  601.028915]  run_timer_softirq+0x52/0xb0
[  601.032987]  ? rcu_read_lock_sched_held+0x14f/0x180
[  601.038000]  __do_softirq+0x308/0xb7e
[  601.041793]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  601.046298]  ? lock_downgrade+0x900/0x900
[  601.050449]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  601.055568]  ? pvclock_read_flags+0x160/0x160
[  601.060158]  ? lapic_next_event+0x5a/0x90
[  601.064304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.069843]  ? kvm_clock_read+0x18/0x30
[  601.073821]  ? kvm_sched_clock_read+0x9/0x20
[  601.078234]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.083768]  ? check_preemption_disabled+0x48/0x280
[  601.088801]  irq_exit+0x17f/0x1c0
[  601.092250]  smp_apic_timer_interrupt+0x1cb/0x760
[  601.097091]  ? smp_call_function_single_interrupt+0x650/0x650
[  601.103001]  ? interrupt_entry+0xb5/0xc0
[  601.107104]  ? trace_hardirqs_off_caller+0xbb/0x310
[  601.112113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  601.117137]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.122022]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.127045]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.132049]  ? task_prio+0x50/0x50
[  601.135583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.141142]  ? check_preemption_disabled+0x48/0x280
[  601.146183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.151036]  apic_timer_interrupt+0xf/0x20
[  601.155254]  </IRQ>
[  601.157488] RIP: 0010:dump_stack+0x358/0x39d
[  601.161921] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  601.180818] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  601.188522] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  601.195797] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  601.203058] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  601.210321] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  601.217580] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  601.224873]  ? dump_stack+0x34f/0x39d
[  601.228682]  ? dump_stack_print_info.cold.1+0x20/0x20
[  601.233869]  ? mark_held_locks+0x130/0x130
[  601.238101]  ? mark_held_locks+0x130/0x130
[  601.242334]  dump_header+0x27b/0xf72
[  601.246059]  ? pagefault_out_of_memory+0x197/0x197
[  601.251000]  ? __lock_acquire+0x62f/0x4c20
[  601.255237]  ? percpu_ref_get_many+0x240/0x240
[  601.259822]  ? print_usage_bug+0xc0/0xc0
[  601.263891]  ? zap_class+0x640/0x640
[  601.267611]  ? print_usage_bug+0xc0/0xc0
[  601.271670]  ? print_usage_bug+0xc0/0xc0
[  601.275767]  ? zap_class+0x640/0x640
[  601.279481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.285034]  ? find_held_lock+0x36/0x1c0
[  601.289105]  ? mark_held_locks+0xc7/0x130
[  601.293249]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  601.298350]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  601.303470]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  601.308049]  ? trace_hardirqs_on+0xbd/0x310
[  601.312367]  ? kasan_check_read+0x11/0x20
[  601.316516]  ? ___ratelimit+0x3b4/0x672
[  601.320493]  ? trace_hardirqs_off_caller+0x310/0x310
[  601.325598]  ? trace_hardirqs_on+0x310/0x310
[  601.330008]  ? lock_downgrade+0x900/0x900
[  601.334157]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  601.339258]  ? ___ratelimit+0x3b9/0x672
[  601.343248]  ? idr_get_free+0xf70/0xf70
[  601.347218]  ? find_held_lock+0x36/0x1c0
[  601.351280]  oom_kill_process.cold.27+0x10/0x903
[  601.356054]  ? zap_class+0x640/0x640
[  601.359764]  ? check_preemption_disabled+0x48/0x280
[  601.364825]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.369776]  ? kasan_check_read+0x11/0x20
[  601.373934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.379225]  ? oom_evaluate_task+0x540/0x540
[  601.383635]  ? find_held_lock+0x36/0x1c0
[  601.387729]  ? out_of_memory+0x974/0x1430
[  601.391907]  ? lock_downgrade+0x900/0x900
[  601.396055]  ? check_preemption_disabled+0x48/0x280
[  601.401077]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.406008]  ? kasan_check_read+0x11/0x20
[  601.410155]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.415430]  ? rcu_softirq_qs+0x20/0x20
[  601.419414]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.424956]  ? oom_evaluate_task+0x302/0x540
[  601.429367]  out_of_memory+0xa84/0x1430
[  601.433354]  ? oom_killer_disable+0x3a0/0x3a0
[  601.437848]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  601.442782]  ? __ww_mutex_check_waiters+0x160/0x160
[  601.447826]  __alloc_pages_slowpath+0x232c/0x2de0
[  601.452700]  ? warn_alloc+0x120/0x120
[  601.456502]  ? mark_held_locks+0x130/0x130
[  601.460767]  ? find_get_entry+0xaae/0x1120
[  601.465013]  ? filemap_map_pages+0x1a20/0x1a20
[  601.469600]  ? zap_class+0x640/0x640
[  601.473321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  601.478863]  ? check_preemption_disabled+0x48/0x280
[  601.483883]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.489421]  ? should_fail+0x22d/0xd01
[  601.493337]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  601.498443]  ? zap_class+0x640/0x640
[  601.502308]  ? __lock_is_held+0xb5/0x140
[  601.506375]  ? mark_held_locks+0x130/0x130
[  601.510610]  ? lock_release+0xa00/0xa00
[  601.514582]  ? perf_trace_sched_process_exec+0x860/0x860
[  601.520124]  ? xa_load+0x2ba/0x460
[  601.523700]  ? lock_downgrade+0x900/0x900
[  601.527885]  ? __might_sleep+0x95/0x190
[  601.531950]  __alloc_pages_nodemask+0xad8/0xea0
[  601.536632]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  601.541727]  ? __page_cache_alloc+0x191/0x5c0
[  601.546292]  ? xa_load+0x2e1/0x460
[  601.549851]  ? xa_clear_mark+0x40/0x40
[  601.553754]  ? zap_class+0x640/0x640
[  601.557474]  ? zap_class+0x640/0x640
[  601.561259]  ? zap_class+0x640/0x640
[  601.565176]  ? __do_page_cache_readahead+0x663/0x810
[  601.570301]  ? find_held_lock+0x36/0x1c0
[  601.574366]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  601.579915]  alloc_pages_current+0x173/0x350
[  601.584334]  __page_cache_alloc+0x38c/0x5c0
[  601.588652]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.593581]  ? kasan_check_read+0x11/0x20
[  601.597729]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.603008]  ? generic_perform_write+0x6a0/0x6a0
[  601.607767]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.613322]  ? check_preemption_disabled+0x48/0x280
[  601.618388]  filemap_fault+0x1595/0x25f0
[  601.622480]  ? __lock_page_or_retry+0xa00/0xa00
[  601.627161]  ? mark_held_locks+0x130/0x130
[  601.631410]  ? filemap_map_pages+0xd6b/0x1a20
[  601.635918]  ? lock_downgrade+0x900/0x900
[  601.640066]  ? check_preemption_disabled+0x48/0x280
[  601.645088]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.650019]  ? kasan_check_read+0x11/0x20
[  601.654169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.659453]  ? rcu_softirq_qs+0x20/0x20
[  601.663459]  ? filemap_map_pages+0xd92/0x1a20
[  601.668005]  ? find_get_entries_tag+0x1400/0x1400
[  601.672859]  ? __kernel_text_address+0xd/0x40
[  601.677374]  ? unwind_get_return_address+0x61/0xa0
[  601.682324]  ? lock_acquire+0x1ed/0x520
[  601.686299]  ? ext4_filemap_fault+0x7a/0xad
[  601.690626]  ? lock_release+0xa00/0xa00
[  601.694597]  ? perf_trace_sched_process_exec+0x860/0x860
[  601.700074]  ? print_usage_bug+0xc0/0xc0
[  601.704169]  ? print_usage_bug+0xc0/0xc0
[  601.708235]  ? __x64_sys_read+0x73/0xb0
[  601.712208]  ? print_usage_bug+0xc0/0xc0
[  601.716290]  ? down_read+0x8d/0x120
[  601.719917]  ? ext4_filemap_fault+0x7a/0xad
[  601.724238]  ? __down_interruptible+0x700/0x700
[  601.728919]  ext4_filemap_fault+0x82/0xad
[  601.733067]  __do_fault+0x100/0x6b0
[  601.736709]  ? trace_hardirqs_on+0xbd/0x310
[  601.741040]  ? pmd_devmap_trans_unstable+0x220/0x220
[  601.746163]  ? mark_held_locks+0x130/0x130
[  601.750399]  ? mark_held_locks+0x130/0x130
[  601.754666]  ? do_syslog+0x147b/0x1690
[  601.758561]  ? do_syslog+0x309/0x1690
[  601.762364]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.768159]  __handle_mm_fault+0x3ea0/0x5be0
[  601.772576]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  601.777559]  ? find_held_lock+0x36/0x1c0
[  601.781639]  ? zap_class+0x640/0x640
[  601.785354]  ? zap_class+0x640/0x640
[  601.789092]  ? find_held_lock+0x36/0x1c0
[  601.793162]  ? handle_mm_fault+0x42a/0xc70
[  601.797394]  ? lock_downgrade+0x900/0x900
[  601.801536]  ? check_preemption_disabled+0x48/0x280
[  601.806551]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  601.811687]  ? kasan_check_read+0x11/0x20
[  601.815830]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  601.821105]  ? rcu_softirq_qs+0x20/0x20
[  601.825076]  ? trace_hardirqs_off_caller+0x310/0x310
[  601.830558]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  601.836337]  ? check_preemption_disabled+0x48/0x280
[  601.841358]  handle_mm_fault+0x54f/0xc70
[  601.845419]  ? __handle_mm_fault+0x5be0/0x5be0
[  601.850007]  ? find_vma+0x34/0x190
[  601.853555]  __do_page_fault+0x5e8/0xe60
[  601.857710]  ? trace_hardirqs_off+0xb8/0x310
[  601.862126]  ? kernel_write+0x120/0x120
[  601.866252]  do_page_fault+0xf2/0x7e0
[  601.870281]  ? vmalloc_sync_all+0x30/0x30
[  601.874425]  ? error_entry+0x70/0xd0
[  601.878170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  601.883216]  ? trace_hardirqs_on_caller+0xc0/0x310
[  601.888141]  ? syscall_return_slowpath+0x5e0/0x5e0
[  601.893192]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.898269]  ? trace_hardirqs_on_caller+0x310/0x310
[  601.903291]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  601.908911]  ? prepare_exit_to_usermode+0x291/0x3b0
[  601.913943]  ? page_fault+0x8/0x30
[  601.917514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  601.922355]  ? page_fault+0x8/0x30
[  601.925889]  page_fault+0x1e/0x30
[  601.929340] RIP: 0033:0x7fe9f4ff21fd
[  601.933065] Code: Bad RIP value.
[  601.936426] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  601.941829] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  601.949095] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  601.956458] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  601.963915] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  601.971425] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  601.978727] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  601.978729] Mem-Info:
[  601.978758] active_anon:43385 inactive_anon:190 isolated_anon:0
[  601.978758]  active_file:9 inactive_file:19 isolated_file:0
[  601.978758]  unevictable:0 dirty:0 writeback:0 unstable:0
[  601.978758]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  601.978758]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  601.978758]  free:13722 free_pcp:438 free_cma:0
[  601.985831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  601.988270] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  602.021022] Call Trace:
[  602.030567] 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
[  602.058043]  <IRQ>
[  602.060605] lowmem_reserve[]: 0 2818 6321 6321
[  602.086703]  dump_stack+0x244/0x39d
[  602.088826] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  602.093963]  ? dump_stack_print_info.cold.1+0x20/0x20
[  602.097677] lowmem_reserve[]: 0 0 3503 3503
[  602.125011]  warn_alloc.cold.116+0xb7/0x1bd
[  602.130182] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  602.134519]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  602.138827] lowmem_reserve[]: 0 0 0 0
[  602.167805]  ? lock_downgrade+0x900/0x900
[  602.172619] 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
[  602.176423]  ? trace_hardirqs_off+0xb8/0x310
[  602.180546] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  602.194055]  ? trace_hardirqs_off+0xb8/0x310
[  602.198459] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  602.213461]  __alloc_pages_slowpath+0x2651/0x2de0
[  602.217855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  602.233373]  ? warn_alloc+0x120/0x120
[  602.238171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  602.247001]  ? print_usage_bug+0xc0/0xc0
[  602.250778] 272 total pagecache pages
[  602.259346]  ? warn_alloc+0x120/0x120
[  602.263389] 0 pages in swap cache
[  602.267170]  ? warn_alloc+0x120/0x120
[  602.270960] Swap cache stats: add 0, delete 0, find 0/0
[  602.274411]  ? print_usage_bug+0xc0/0xc0
[  602.278222] Free swap  = 0kB
[  602.283575]  ? print_usage_bug+0xc0/0xc0
[  602.287606] Total swap = 0kB
[  602.290609]  ? __lock_acquire+0x62f/0x4c20
[  602.294639] 1965979 pages RAM
[  602.297651]  ? __lock_acquire+0x62f/0x4c20
[  602.301871] 0 pages HighMem/MovableOnly
[  602.304965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.309169] 342854 pages reserved
[  602.313131]  ? should_fail+0x22d/0xd01
[  602.318636] 0 pages cma reserved
[  602.322090]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  602.326078] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  602.329349]  ? __lock_acquire+0x62f/0x4c20
[  602.334514] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  602.340925]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  602.345129] rsyslogd cpuset=/ mems_allowed=0
[  602.355184]  ? __lock_acquire+0x62f/0x4c20
[  602.355198]  ? should_fail+0x22d/0xd01
[  602.372774]  ? mark_held_locks+0x130/0x130
[  602.377046]  ? mark_held_locks+0x130/0x130
[  602.381302]  ? zap_class+0x640/0x640
[  602.385027]  ? zap_class+0x640/0x640
[  602.388773]  ? print_usage_bug+0xc0/0xc0
[  602.392836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.398400]  ? check_preemption_disabled+0x48/0x280
[  602.403423]  ? __lock_is_held+0xb5/0x140
[  602.407509]  __alloc_pages_nodemask+0xad8/0xea0
[  602.412191]  ? zap_class+0x640/0x640
[  602.415939]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  602.420975]  ? find_held_lock+0x36/0x1c0
[  602.425081]  ? ____cache_alloc_node+0x1c7/0x1e0
[  602.429758]  ? lock_downgrade+0x900/0x900
[  602.433911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.439468]  cache_grow_begin+0xa5/0x8c0
[  602.443579]  ? do_raw_spin_unlock+0xa7/0x330
[  602.448062]  fallback_alloc+0x204/0x2e0
[  602.452049]  ____cache_alloc_node+0x1c7/0x1e0
[  602.456554]  kmem_cache_alloc_node+0xe3/0x730
[  602.461043]  ? ipv6_get_ifaddr+0x42e/0x620
[  602.465274]  __alloc_skb+0x119/0x770
[  602.469038]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  602.474343]  ? netdev_alloc_frag+0x1f0/0x1f0
[  602.478797]  ? lock_downgrade+0x900/0x900
[  602.482976]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.488510]  ? refcount_sub_and_test_checked+0x203/0x310
[  602.493952]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  602.499406]  ? addrconf_rs_timer+0x690/0x690
[  602.503837]  ndisc_alloc_skb+0x144/0x340
[  602.507893]  ndisc_send_rs+0x331/0x6e0
[  602.511794]  addrconf_rs_timer+0x314/0x690
[  602.516065]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  602.520323]  call_timer_fn+0x272/0x920
[  602.524204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  602.528442]  ? process_timeout+0x40/0x40
[  602.532508]  ? __run_timers+0x7da/0xc70
[  602.536496]  ? _raw_spin_unlock_irq+0x27/0x80
[  602.541017]  ? _raw_spin_unlock_irq+0x27/0x80
[  602.545503]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  602.549742]  ? lockdep_hardirqs_on+0x296/0x5b0
[  602.554336]  ? trace_hardirqs_on+0xbd/0x310
[  602.558653]  ? kasan_check_read+0x11/0x20
[  602.562805]  ? __run_timers+0x7da/0xc70
[  602.566771]  ? trace_hardirqs_off_caller+0x310/0x310
[  602.571896]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  602.576137]  __run_timers+0x7e5/0xc70
[  602.579942]  ? timer_fixup_init+0x70/0x70
[  602.584084]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  602.589111]  ? zap_class+0x640/0x640
[  602.592838]  ? enqueue_hrtimer+0x1a5/0x560
[  602.597075]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  602.602295]  ? find_held_lock+0x36/0x1c0
[  602.606387]  ? zap_class+0x640/0x640
[  602.610102]  ? pvclock_read_flags+0x160/0x160
[  602.614592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.620124]  ? check_preemption_disabled+0x48/0x280
[  602.625198]  ? __lock_is_held+0xb5/0x140
[  602.629262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.634819]  ? check_preemption_disabled+0x48/0x280
[  602.639841]  run_timer_softirq+0x52/0xb0
[  602.643904]  ? rcu_read_lock_sched_held+0x14f/0x180
[  602.648933]  __do_softirq+0x308/0xb7e
[  602.652731]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  602.657222]  ? lock_downgrade+0x900/0x900
[  602.661370]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  602.666474]  ? pvclock_read_flags+0x160/0x160
[  602.670967]  ? lapic_next_event+0x5a/0x90
[  602.675149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.680685]  ? kvm_clock_read+0x18/0x30
[  602.684670]  ? kvm_sched_clock_read+0x9/0x20
[  602.689074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.694637]  ? check_preemption_disabled+0x48/0x280
[  602.699663]  irq_exit+0x17f/0x1c0
[  602.703116]  smp_apic_timer_interrupt+0x1cb/0x760
[  602.707958]  ? smp_reschedule_interrupt+0x109/0x650
[  602.712972]  ? smp_call_function_single_interrupt+0x650/0x650
[  602.718867]  ? interrupt_entry+0xb5/0xc0
[  602.722923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  602.727964]  ? trace_hardirqs_off_caller+0xbb/0x310
[  602.732990]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  602.737827]  ? trace_hardirqs_on_caller+0x310/0x310
[  602.742836]  ? trace_hardirqs_on_caller+0x310/0x310
[  602.747897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  602.752740]  apic_timer_interrupt+0xf/0x20
[  602.756962]  </IRQ>
[  602.759191] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  602.764115] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  602.783040] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  602.790754] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  602.798013] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  602.805304] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  602.812566] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  602.819828] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  602.827250]  skb_clone+0x1bb/0x500
[  602.830793]  ? finish_task_switch+0x2f4/0x910
[  602.835297]  ? skb_split+0x11e0/0x11e0
[  602.839201]  ? preempt_notifier_register+0x200/0x200
[  602.844296]  ? __switch_to_asm+0x34/0x70
[  602.848365]  ? __switch_to_asm+0x34/0x70
[  602.852455]  ? __switch_to_asm+0x40/0x70
[  602.856508]  ? __switch_to_asm+0x34/0x70
[  602.860577]  ? __switch_to_asm+0x40/0x70
[  602.864659]  ? __switch_to_asm+0x34/0x70
[  602.868712]  ? __switch_to_asm+0x40/0x70
[  602.872798]  ? __switch_to_asm+0x34/0x70
[  602.876872]  ? __switch_to_asm+0x34/0x70
[  602.880963]  ? __switch_to_asm+0x40/0x70
[  602.885035]  ? __switch_to_asm+0x34/0x70
[  602.889099]  bpf_clone_redirect+0xb9/0x490
[  602.893333]  ? __schedule+0x8d7/0x21d0
[  602.897226]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  602.902242]  ? __sched_text_start+0x8/0x8
[  602.906529]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  602.911106]  ? retint_kernel+0x2d/0x2d
[  602.915017]  ? trace_hardirqs_on_caller+0xc0/0x310
[  602.919948]  ? find_held_lock+0x36/0x1c0
[  602.924035]  ? lock_acquire+0x1ed/0x520
[  602.928015]  ? bpf_test_run+0x3ee/0x7a0
[  602.931988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  602.937527]  ? check_preemption_disabled+0x48/0x280
[  602.942550]  ? kasan_check_read+0x11/0x20
[  602.946704]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  602.951979]  ? rcu_softirq_qs+0x20/0x20
[  602.955956]  ? preempt_schedule+0x4d/0x60
[  602.960117]  ? ___preempt_schedule+0x16/0x18
[  602.964528]  ? bpf_test_run+0x271/0x7a0
[  602.968539]  ? netlink_diag_dump+0x2a0/0x2a0
[  602.972943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  602.978477]  ? bpf_test_init.isra.10+0x70/0x100
[  602.983157]  ? bpf_prog_test_run_skb+0x762/0xd60
[  602.987927]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  602.992801]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  602.998334]  ? fput+0x130/0x1a0
[  603.001623]  ? __bpf_prog_get+0x9b/0x290
[  603.005686]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  603.010533]  ? bpf_prog_test_run+0x130/0x1a0
[  603.014942]  ? __x64_sys_bpf+0x3d8/0x520
[  603.019001]  ? bpf_prog_get+0x20/0x20
[  603.022835]  ? do_syscall_64+0x1b9/0x820
[  603.026893]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  603.032257]  ? syscall_return_slowpath+0x5e0/0x5e0
[  603.037177]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.042016]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.047045]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  603.052089]  ? prepare_exit_to_usermode+0x291/0x3b0
[  603.057103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.061961]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  603.067365] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  603.067424] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  603.074112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  603.074116] Call Trace:
[  603.074121]  <IRQ>
[  603.074136]  dump_stack+0x244/0x39d
[  603.074154]  ? dump_stack_print_info.cold.1+0x20/0x20
[  603.080729] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  603.090209]  warn_alloc.cold.116+0xb7/0x1bd
[  603.092762] syz-executor4 cpuset=syz4 mems_allowed=0
[  603.094916]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  603.128759]  ? lock_downgrade+0x900/0x900
[  603.132907]  ? trace_hardirqs_off+0xb8/0x310
[  603.137331]  ? trace_hardirqs_off+0xb8/0x310
[  603.141764]  __alloc_pages_slowpath+0x2651/0x2de0
[  603.146651]  ? warn_alloc+0x120/0x120
[  603.150905]  ? print_usage_bug+0xc0/0xc0
[  603.155338]  ? warn_alloc+0x120/0x120
[  603.159278]  ? warn_alloc+0x120/0x120
[  603.163232]  ? print_usage_bug+0xc0/0xc0
[  603.167298]  ? kvm_clock_read+0x18/0x30
[  603.171266]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  603.176288]  ? print_usage_bug+0xc0/0xc0
[  603.180346]  ? __lock_acquire+0x62f/0x4c20
[  603.184577]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.190118]  ? should_fail+0x22d/0xd01
[  603.194304]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.199588]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  603.204701]  ? __lock_acquire+0x62f/0x4c20
[  603.208987]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  603.214231]  ? __lock_acquire+0x62f/0x4c20
[  603.218475]  ? should_fail+0x22d/0xd01
[  603.222484]  ? rcu_irq_exit+0x1a2/0x390
[  603.226584]  ? mark_held_locks+0x130/0x130
[  603.230822]  ? mark_held_locks+0x130/0x130
[  603.235057]  ? mark_held_locks+0xc7/0x130
[  603.239204]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  603.244217]  ? zap_class+0x640/0x640
[  603.247939]  ? print_usage_bug+0xc0/0xc0
[  603.252032]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.257610]  ? check_preemption_disabled+0x48/0x280
[  603.262818]  ? __lock_is_held+0xb5/0x140
[  603.266978]  __alloc_pages_nodemask+0xad8/0xea0
[  603.271765]  ? zap_class+0x640/0x640
[  603.275480]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  603.280513]  ? find_held_lock+0x36/0x1c0
[  603.284576]  ? ____cache_alloc_node+0x1c7/0x1e0
[  603.289365]  ? lock_downgrade+0x900/0x900
[  603.293516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.299053]  cache_grow_begin+0xa5/0x8c0
[  603.303121]  ? do_raw_spin_unlock+0xa7/0x330
[  603.307547]  fallback_alloc+0x204/0x2e0
[  603.311524]  ____cache_alloc_node+0x1c7/0x1e0
[  603.316067]  kmem_cache_alloc_node+0xe3/0x730
[  603.320560]  ? ipv6_get_ifaddr+0x42e/0x620
[  603.324808]  __alloc_skb+0x119/0x770
[  603.328567]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.333841]  ? netdev_alloc_frag+0x1f0/0x1f0
[  603.338247]  ? lock_downgrade+0x900/0x900
[  603.342396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.347954]  ? refcount_sub_and_test_checked+0x203/0x310
[  603.353400]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  603.358864]  ? addrconf_rs_timer+0x690/0x690
[  603.363289]  ndisc_alloc_skb+0x144/0x340
[  603.367352]  ndisc_send_rs+0x331/0x6e0
[  603.371238]  addrconf_rs_timer+0x314/0x690
[  603.375472]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.379707]  call_timer_fn+0x272/0x920
[  603.383586]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.387848]  ? process_timeout+0x40/0x40
[  603.391911]  ? mark_held_locks+0xc7/0x130
[  603.396067]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.400553]  ? _raw_spin_unlock_irq+0x27/0x80
[  603.405054]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.409281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  603.413865]  ? trace_hardirqs_on+0xbd/0x310
[  603.418194]  ? kasan_check_read+0x11/0x20
[  603.422332]  ? __run_timers+0x7da/0xc70
[  603.426303]  ? trace_hardirqs_off_caller+0x310/0x310
[  603.431440]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.435689]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  603.439928]  __run_timers+0x7e5/0xc70
[  603.443734]  ? timer_fixup_init+0x70/0x70
[  603.447880]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  603.452897]  ? zap_class+0x640/0x640
[  603.456614]  ? print_usage_bug+0xc0/0xc0
[  603.460676]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  603.465871]  ? find_held_lock+0x36/0x1c0
[  603.469932]  ? zap_class+0x640/0x640
[  603.473659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.479213]  ? check_preemption_disabled+0x48/0x280
[  603.484230]  ? __lock_is_held+0xb5/0x140
[  603.488288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.493822]  ? check_preemption_disabled+0x48/0x280
[  603.498839]  run_timer_softirq+0x52/0xb0
[  603.503024]  ? rcu_read_lock_sched_held+0x14f/0x180
[  603.508069]  __do_softirq+0x308/0xb7e
[  603.511870]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  603.516374]  ? lock_downgrade+0x900/0x900
[  603.520522]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  603.525644]  ? pvclock_read_flags+0x160/0x160
[  603.530142]  ? lapic_next_event+0x5a/0x90
[  603.534303]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.539858]  ? kvm_clock_read+0x18/0x30
[  603.543845]  ? kvm_sched_clock_read+0x9/0x20
[  603.548266]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.553803]  ? check_preemption_disabled+0x48/0x280
[  603.559387]  irq_exit+0x17f/0x1c0
[  603.563271]  smp_apic_timer_interrupt+0x1cb/0x760
[  603.568887]  ? smp_call_function_single_interrupt+0x650/0x650
[  603.575855]  ? interrupt_entry+0xb5/0xc0
[  603.580795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  603.586691]  ? trace_hardirqs_off_caller+0xbb/0x310
[  603.592787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.598347]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.603359]  ? trace_hardirqs_on_caller+0x310/0x310
[  603.608859]  ? task_prio+0x50/0x50
[  603.612406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.618316]  ? check_preemption_disabled+0x48/0x280
[  603.623430]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  603.628303]  apic_timer_interrupt+0xf/0x20
[  603.632539]  </IRQ>
[  603.634795] RIP: 0010:dump_stack+0x358/0x39d
[  603.639209] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  603.658331] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  603.666070] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  603.673523] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  603.681148] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  603.688551] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  603.695816] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  603.703810]  ? dump_stack+0x34f/0x39d
[  603.707622]  ? dump_stack_print_info.cold.1+0x20/0x20
[  603.712993]  ? mark_held_locks+0x130/0x130
[  603.717403]  ? mark_held_locks+0x130/0x130
[  603.721651]  dump_header+0x27b/0xf72
[  603.725377]  ? pagefault_out_of_memory+0x197/0x197
[  603.730317]  ? __lock_acquire+0x62f/0x4c20
[  603.734559]  ? percpu_ref_get_many+0x240/0x240
[  603.739145]  ? print_usage_bug+0xc0/0xc0
[  603.743210]  ? zap_class+0x640/0x640
[  603.746927]  ? print_usage_bug+0xc0/0xc0
[  603.751010]  ? print_usage_bug+0xc0/0xc0
[  603.755077]  ? zap_class+0x640/0x640
[  603.758796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.764344]  ? find_held_lock+0x36/0x1c0
[  603.768416]  ? mark_held_locks+0xc7/0x130
[  603.772571]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  603.777823]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  603.782952]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  603.787534]  ? trace_hardirqs_on+0xbd/0x310
[  603.791851]  ? kasan_check_read+0x11/0x20
[  603.796008]  ? ___ratelimit+0x3b4/0x672
[  603.799987]  ? trace_hardirqs_off_caller+0x310/0x310
[  603.805103]  ? trace_hardirqs_on+0x310/0x310
[  603.809524]  ? lock_downgrade+0x900/0x900
[  603.813695]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  603.818800]  ? ___ratelimit+0x3b9/0x672
[  603.822792]  ? idr_get_free+0xf70/0xf70
[  603.826765]  ? find_held_lock+0x36/0x1c0
[  603.830849]  oom_kill_process.cold.27+0x10/0x903
[  603.835605]  ? zap_class+0x640/0x640
[  603.839333]  ? check_preemption_disabled+0x48/0x280
[  603.844348]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  603.849273]  ? kasan_check_read+0x11/0x20
[  603.853422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.858706]  ? oom_evaluate_task+0x540/0x540
[  603.863422]  ? find_held_lock+0x36/0x1c0
[  603.867636]  ? out_of_memory+0x974/0x1430
[  603.872459]  ? lock_downgrade+0x900/0x900
[  603.876852]  ? check_preemption_disabled+0x48/0x280
[  603.882176]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  603.887107]  ? kasan_check_read+0x11/0x20
[  603.891253]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  603.896542]  ? rcu_softirq_qs+0x20/0x20
[  603.900524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.906069]  ? oom_evaluate_task+0x302/0x540
[  603.910494]  out_of_memory+0xa84/0x1430
[  603.914479]  ? oom_killer_disable+0x3a0/0x3a0
[  603.919131]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  603.924296]  ? __ww_mutex_check_waiters+0x160/0x160
[  603.929330]  __alloc_pages_slowpath+0x232c/0x2de0
[  603.934213]  ? warn_alloc+0x120/0x120
[  603.938117]  ? mark_held_locks+0x130/0x130
[  603.942493]  ? find_get_entry+0xaae/0x1120
[  603.946767]  ? filemap_map_pages+0x1a20/0x1a20
[  603.951354]  ? zap_class+0x640/0x640
[  603.955141]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  603.960676]  ? check_preemption_disabled+0x48/0x280
[  603.965811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  603.971354]  ? should_fail+0x22d/0xd01
[  603.975242]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  603.980345]  ? zap_class+0x640/0x640
[  603.984100]  ? __lock_is_held+0xb5/0x140
[  603.988167]  ? mark_held_locks+0x130/0x130
[  603.992403]  ? lock_release+0xa00/0xa00
[  603.996396]  ? perf_trace_sched_process_exec+0x860/0x860
[  604.001842]  ? xa_load+0x2ba/0x460
[  604.005382]  ? lock_downgrade+0x900/0x900
[  604.009537]  ? __might_sleep+0x95/0x190
[  604.013521]  __alloc_pages_nodemask+0xad8/0xea0
[  604.018197]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  604.023264]  ? __page_cache_alloc+0x191/0x5c0
[  604.027789]  ? xa_load+0x2e1/0x460
[  604.031332]  ? xa_clear_mark+0x40/0x40
[  604.035218]  ? zap_class+0x640/0x640
[  604.038938]  ? zap_class+0x640/0x640
[  604.042654]  ? zap_class+0x640/0x640
[  604.046374]  ? __do_page_cache_readahead+0x663/0x810
[  604.051485]  ? find_held_lock+0x36/0x1c0
[  604.055548]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  604.061086]  alloc_pages_current+0x173/0x350
[  604.065495]  __page_cache_alloc+0x38c/0x5c0
[  604.069808]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.074734]  ? kasan_check_read+0x11/0x20
[  604.078880]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.084153]  ? generic_perform_write+0x6a0/0x6a0
[  604.088908]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.094463]  ? check_preemption_disabled+0x48/0x280
[  604.099529]  filemap_fault+0x1595/0x25f0
[  604.103596]  ? __lock_page_or_retry+0xa00/0xa00
[  604.108265]  ? mark_held_locks+0x130/0x130
[  604.112509]  ? filemap_map_pages+0xd6b/0x1a20
[  604.116999]  ? lock_downgrade+0x900/0x900
[  604.121159]  ? check_preemption_disabled+0x48/0x280
[  604.126187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.131109]  ? kasan_check_read+0x11/0x20
[  604.135252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.140553]  ? rcu_softirq_qs+0x20/0x20
[  604.144533]  ? filemap_map_pages+0xd92/0x1a20
[  604.149049]  ? find_get_entries_tag+0x1400/0x1400
[  604.153886]  ? __kernel_text_address+0xd/0x40
[  604.158397]  ? unwind_get_return_address+0x61/0xa0
[  604.163347]  ? lock_acquire+0x1ed/0x520
[  604.167319]  ? ext4_filemap_fault+0x7a/0xad
[  604.171640]  ? lock_release+0xa00/0xa00
[  604.175610]  ? perf_trace_sched_process_exec+0x860/0x860
[  604.181054]  ? print_usage_bug+0xc0/0xc0
[  604.185108]  ? print_usage_bug+0xc0/0xc0
[  604.189164]  ? __x64_sys_read+0x73/0xb0
[  604.193131]  ? print_usage_bug+0xc0/0xc0
[  604.197196]  ? down_read+0x8d/0x120
[  604.200818]  ? ext4_filemap_fault+0x7a/0xad
[  604.205138]  ? __down_interruptible+0x700/0x700
[  604.209918]  ext4_filemap_fault+0x82/0xad
[  604.214077]  __do_fault+0x100/0x6b0
[  604.217701]  ? trace_hardirqs_on+0xbd/0x310
[  604.222029]  ? pmd_devmap_trans_unstable+0x220/0x220
[  604.227133]  ? mark_held_locks+0x130/0x130
[  604.231364]  ? mark_held_locks+0x130/0x130
[  604.235595]  ? do_syslog+0x147b/0x1690
[  604.239478]  ? do_syslog+0x309/0x1690
[  604.243292]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.248830]  __handle_mm_fault+0x3ea0/0x5be0
[  604.253247]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  604.258093]  ? find_held_lock+0x36/0x1c0
[  604.262172]  ? zap_class+0x640/0x640
[  604.265882]  ? zap_class+0x640/0x640
[  604.269602]  ? find_held_lock+0x36/0x1c0
[  604.273683]  ? handle_mm_fault+0x42a/0xc70
[  604.277912]  ? lock_downgrade+0x900/0x900
[  604.282056]  ? check_preemption_disabled+0x48/0x280
[  604.287104]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  604.292040]  ? kasan_check_read+0x11/0x20
[  604.296184]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.301462]  ? rcu_softirq_qs+0x20/0x20
[  604.305430]  ? trace_hardirqs_off_caller+0x310/0x310
[  604.310535]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.316069]  ? check_preemption_disabled+0x48/0x280
[  604.321092]  handle_mm_fault+0x54f/0xc70
[  604.325163]  ? __handle_mm_fault+0x5be0/0x5be0
[  604.329767]  ? find_vma+0x34/0x190
[  604.333328]  __do_page_fault+0x5e8/0xe60
[  604.337415]  ? trace_hardirqs_off+0xb8/0x310
[  604.341831]  ? kernel_write+0x120/0x120
[  604.345830]  do_page_fault+0xf2/0x7e0
[  604.349639]  ? vmalloc_sync_all+0x30/0x30
[  604.353804]  ? error_entry+0x70/0xd0
[  604.357527]  ? trace_hardirqs_off_caller+0xbb/0x310
[  604.362543]  ? trace_hardirqs_on_caller+0xc0/0x310
[  604.367499]  ? syscall_return_slowpath+0x5e0/0x5e0
[  604.372450]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  604.377298]  ? trace_hardirqs_on_caller+0x310/0x310
[  604.382315]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  604.387766]  ? prepare_exit_to_usermode+0x291/0x3b0
[  604.392776]  ? page_fault+0x8/0x30
[  604.396323]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  604.401170]  ? page_fault+0x8/0x30
[  604.404730]  page_fault+0x1e/0x30
[  604.408193] RIP: 0033:0x7fe9f4ff21fd
[  604.411938] Code: Bad RIP value.
[  604.415303] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  604.420668] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  604.428191] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  604.435466] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  604.442827] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  604.450417] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  604.457711] warn_alloc_show_mem: 1 callbacks suppressed
[  604.457722] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  604.457723] Mem-Info:
[  604.457750] active_anon:43385 inactive_anon:190 isolated_anon:0
[  604.457750]  active_file:9 inactive_file:19 isolated_file:0
[  604.457750]  unevictable:0 dirty:0 writeback:0 unstable:0
[  604.457750]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  604.457750]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  604.457750]  free:13722 free_pcp:438 free_cma:0
[  604.463088] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  604.470200] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  604.472603] Call Trace:
[  604.505404] 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
[  604.514747]  <IRQ>
[  604.542944] lowmem_reserve[]: 0 2818 6321 6321
[  604.545521]  dump_stack+0x244/0x39d
[  604.571603] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  604.573763]  ? dump_stack_print_info.cold.1+0x20/0x20
[  604.578321] lowmem_reserve[]: 0 0 3503 3503
[  604.581949]  warn_alloc.cold.116+0xb7/0x1bd
[  604.610026] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  604.615207]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  604.619505] lowmem_reserve[]: 0 0 0 0
[  604.623817]  ? lock_downgrade+0x900/0x900
[  604.652780] 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
[  604.657638]  ? trace_hardirqs_off+0xb8/0x310
[  604.661407] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  604.665549]  ? trace_hardirqs_off+0xb8/0x310
[  604.679043] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  604.683460]  __alloc_pages_slowpath+0x2651/0x2de0
[  604.698449] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  604.702868]  ? warn_alloc+0x120/0x120
[  604.718346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  604.723174]  ? print_usage_bug+0xc0/0xc0
[  604.731993] 272 total pagecache pages
[  604.735792]  ? warn_alloc+0x120/0x120
[  604.735809]  ? warn_alloc+0x120/0x120
[  604.735823]  ? print_usage_bug+0xc0/0xc0
[  604.735840]  ? print_usage_bug+0xc0/0xc0
[  604.735853]  ? __lock_acquire+0x62f/0x4c20
[  604.735872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  604.735886]  ? should_fail+0x22d/0xd01
[  604.735965]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  604.744870] 0 pages in swap cache
[  604.748918]  ? __lock_acquire+0x62f/0x4c20
[  604.752715] Swap cache stats: add 0, delete 0, find 0/0
[  604.756504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  604.760568] Free swap  = 0kB
[  604.764624]  ? __lock_acquire+0x62f/0x4c20
[  604.768661] Total swap = 0kB
[  604.772915]  ? should_fail+0x22d/0xd01
[  604.778451] 1965979 pages RAM
[  604.782337]  ? find_held_lock+0x36/0x1c0
[  604.787417] 0 pages HighMem/MovableOnly
[  604.790875]  ? mark_held_locks+0x130/0x130
[  604.795097] 342854 pages reserved
[  604.800456]  ? mark_held_locks+0x130/0x130
[  604.805580] 0 pages cma reserved
[  604.808587]  ? zap_class+0x640/0x640
[  604.812851] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  604.815821]  ? zap_class+0x640/0x640
[  604.819739] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  604.822779]  ? print_usage_bug+0xc0/0xc0
[  604.826842] rsyslogd cpuset=/ mems_allowed=0
[  604.830816]  ? do_raw_spin_unlock+0xa7/0x330
[  604.882808]  ? zap_class+0x640/0x640
[  604.886523]  ? print_usage_bug+0xc0/0xc0
[  604.890578]  ? wq_watchdog_touch+0x9c/0xfe
[  604.894816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.900372]  ? check_preemption_disabled+0x48/0x280
[  604.905499]  ? __lock_is_held+0xb5/0x140
[  604.909564]  __alloc_pages_nodemask+0xad8/0xea0
[  604.914246]  ? zap_class+0x640/0x640
[  604.917967]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  604.922994]  ? find_held_lock+0x36/0x1c0
[  604.927080]  ? ____cache_alloc_node+0x1c7/0x1e0
[  604.931749]  ? lock_downgrade+0x900/0x900
[  604.935903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.941455]  cache_grow_begin+0xa5/0x8c0
[  604.945521]  ? do_raw_spin_unlock+0xa7/0x330
[  604.949934]  fallback_alloc+0x204/0x2e0
[  604.953933]  ____cache_alloc_node+0x1c7/0x1e0
[  604.958439]  kmem_cache_alloc_node+0xe3/0x730
[  604.962935]  ? ipv6_get_ifaddr+0x42e/0x620
[  604.967194]  __alloc_skb+0x119/0x770
[  604.970905]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  604.976181]  ? netdev_alloc_frag+0x1f0/0x1f0
[  604.980583]  ? lock_downgrade+0x900/0x900
[  604.984736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  604.990268]  ? refcount_sub_and_test_checked+0x203/0x310
[  604.995737]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  605.001185]  ? addrconf_rs_timer+0x690/0x690
[  605.005601]  ndisc_alloc_skb+0x144/0x340
[  605.009665]  ndisc_send_rs+0x331/0x6e0
[  605.013587]  addrconf_rs_timer+0x314/0x690
[  605.017839]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.022100]  call_timer_fn+0x272/0x920
[  605.025985]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.030220]  ? process_timeout+0x40/0x40
[  605.034299]  ? __run_timers+0x7da/0xc70
[  605.038272]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.042761]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.047285]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.051522]  ? lockdep_hardirqs_on+0x296/0x5b0
[  605.056101]  ? trace_hardirqs_on+0xbd/0x310
[  605.060418]  ? kasan_check_read+0x11/0x20
[  605.064578]  ? __run_timers+0x7da/0xc70
[  605.068546]  ? trace_hardirqs_off_caller+0x310/0x310
[  605.073652]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.077885]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.082109]  __run_timers+0x7e5/0xc70
[  605.085940]  ? timer_fixup_init+0x70/0x70
[  605.090078]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  605.095083]  ? zap_class+0x640/0x640
[  605.098822]  ? enqueue_hrtimer+0x1a5/0x560
[  605.103066]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  605.108281]  ? find_held_lock+0x36/0x1c0
[  605.112448]  ? zap_class+0x640/0x640
[  605.116177]  ? pvclock_read_flags+0x160/0x160
[  605.120667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.126199]  ? check_preemption_disabled+0x48/0x280
[  605.131216]  ? __lock_is_held+0xb5/0x140
[  605.135267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.140815]  ? check_preemption_disabled+0x48/0x280
[  605.145824]  run_timer_softirq+0x52/0xb0
[  605.149872]  ? rcu_read_lock_sched_held+0x14f/0x180
[  605.154884]  __do_softirq+0x308/0xb7e
[  605.158684]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  605.163206]  ? lock_downgrade+0x900/0x900
[  605.167352]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  605.172479]  ? pvclock_read_flags+0x160/0x160
[  605.176997]  ? lapic_next_event+0x5a/0x90
[  605.181176]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.186715]  ? kvm_clock_read+0x18/0x30
[  605.190689]  ? kvm_sched_clock_read+0x9/0x20
[  605.195128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.200678]  ? check_preemption_disabled+0x48/0x280
[  605.205730]  irq_exit+0x17f/0x1c0
[  605.209215]  smp_apic_timer_interrupt+0x1cb/0x760
[  605.214054]  ? smp_reschedule_interrupt+0x109/0x650
[  605.219073]  ? smp_call_function_single_interrupt+0x650/0x650
[  605.224983]  ? interrupt_entry+0xb5/0xc0
[  605.229066]  ? trace_hardirqs_off_caller+0xbb/0x310
[  605.234076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  605.239090]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.243932]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.248944]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.253982]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.258830]  apic_timer_interrupt+0xf/0x20
[  605.263054]  </IRQ>
[  605.265300] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  605.270223] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  605.289114] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  605.296830] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  605.304090] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  605.311351] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  605.318619] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  605.325888] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  605.333196]  skb_clone+0x1bb/0x500
[  605.336736]  ? finish_task_switch+0x2f4/0x910
[  605.341237]  ? skb_split+0x11e0/0x11e0
[  605.345126]  ? preempt_notifier_register+0x200/0x200
[  605.350231]  ? __switch_to_asm+0x34/0x70
[  605.354287]  ? __switch_to_asm+0x34/0x70
[  605.358342]  ? __switch_to_asm+0x40/0x70
[  605.362402]  ? __switch_to_asm+0x34/0x70
[  605.366469]  ? __switch_to_asm+0x40/0x70
[  605.370525]  ? __switch_to_asm+0x34/0x70
[  605.374577]  ? __switch_to_asm+0x40/0x70
[  605.378630]  ? __switch_to_asm+0x34/0x70
[  605.382707]  ? __switch_to_asm+0x34/0x70
[  605.386781]  ? __switch_to_asm+0x40/0x70
[  605.390841]  ? __switch_to_asm+0x34/0x70
[  605.394934]  bpf_clone_redirect+0xb9/0x490
[  605.399195]  ? __schedule+0x8d7/0x21d0
[  605.403084]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  605.408108]  ? __sched_text_start+0x8/0x8
[  605.412268]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  605.416856]  ? retint_kernel+0x2d/0x2d
[  605.420740]  ? trace_hardirqs_on_caller+0xc0/0x310
[  605.425671]  ? find_held_lock+0x36/0x1c0
[  605.429762]  ? lock_acquire+0x1ed/0x520
[  605.433751]  ? bpf_test_run+0x3ee/0x7a0
[  605.437718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.443248]  ? check_preemption_disabled+0x48/0x280
[  605.448277]  ? kasan_check_read+0x11/0x20
[  605.452422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  605.457704]  ? rcu_softirq_qs+0x20/0x20
[  605.461717]  ? preempt_schedule+0x4d/0x60
[  605.465872]  ? ___preempt_schedule+0x16/0x18
[  605.470277]  ? bpf_test_run+0x271/0x7a0
[  605.474253]  ? netlink_diag_dump+0x2a0/0x2a0
[  605.478654]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  605.484182]  ? bpf_test_init.isra.10+0x70/0x100
[  605.488845]  ? bpf_prog_test_run_skb+0x762/0xd60
[  605.493600]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  605.498457]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  605.503987]  ? fput+0x130/0x1a0
[  605.507302]  ? __bpf_prog_get+0x9b/0x290
[  605.511356]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  605.516188]  ? bpf_prog_test_run+0x130/0x1a0
[  605.520603]  ? __x64_sys_bpf+0x3d8/0x520
[  605.524658]  ? bpf_prog_get+0x20/0x20
[  605.528508]  ? do_syscall_64+0x1b9/0x820
[  605.532564]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  605.537923]  ? syscall_return_slowpath+0x5e0/0x5e0
[  605.542847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.547690]  ? trace_hardirqs_on_caller+0x310/0x310
[  605.552703]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  605.557717]  ? prepare_exit_to_usermode+0x291/0x3b0
[  605.562735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  605.567604]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  605.572979] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  605.573073] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  605.579762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  605.579770] Call Trace:
[  605.586344] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  605.595620]  <IRQ>
[  605.598184] syz-executor4 cpuset=syz4 mems_allowed=0
[  605.608670]  dump_stack+0x244/0x39d
[  605.619508]  ? dump_stack_print_info.cold.1+0x20/0x20
[  605.624705]  warn_alloc.cold.116+0xb7/0x1bd
[  605.629022]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  605.633880]  ? lock_downgrade+0x900/0x900
[  605.638041]  ? trace_hardirqs_off+0xb8/0x310
[  605.642476]  ? trace_hardirqs_off+0xb8/0x310
[  605.646910]  __alloc_pages_slowpath+0x2651/0x2de0
[  605.651791]  ? warn_alloc+0x120/0x120
[  605.655606]  ? print_usage_bug+0xc0/0xc0
[  605.659664]  ? warn_alloc+0x120/0x120
[  605.663466]  ? warn_alloc+0x120/0x120
[  605.667265]  ? print_usage_bug+0xc0/0xc0
[  605.671330]  ? print_usage_bug+0xc0/0xc0
[  605.675390]  ? __lock_acquire+0x62f/0x4c20
[  605.679623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  605.685155]  ? should_fail+0x22d/0xd01
[  605.689054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  605.694149]  ? __lock_acquire+0x62f/0x4c20
[  605.698390]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  605.703490]  ? __lock_acquire+0x62f/0x4c20
[  605.707720]  ? should_fail+0x22d/0xd01
[  605.711620]  ? find_held_lock+0x36/0x1c0
[  605.715686]  ? mark_held_locks+0x130/0x130
[  605.719921]  ? mark_held_locks+0x130/0x130
[  605.724147]  ? zap_class+0x640/0x640
[  605.727868]  ? zap_class+0x640/0x640
[  605.731609]  ? print_usage_bug+0xc0/0xc0
[  605.735727]  ? do_raw_spin_unlock+0xa7/0x330
[  605.740130]  ? zap_class+0x640/0x640
[  605.743837]  ? print_usage_bug+0xc0/0xc0
[  605.747895]  ? wq_watchdog_touch+0x9c/0xfe
[  605.752130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.757670]  ? check_preemption_disabled+0x48/0x280
[  605.762697]  ? __lock_is_held+0xb5/0x140
[  605.766763]  __alloc_pages_nodemask+0xad8/0xea0
[  605.771428]  ? zap_class+0x640/0x640
[  605.775298]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  605.780324]  ? find_held_lock+0x36/0x1c0
[  605.784393]  ? ____cache_alloc_node+0x1c7/0x1e0
[  605.789062]  ? lock_downgrade+0x900/0x900
[  605.793213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.798750]  cache_grow_begin+0xa5/0x8c0
[  605.802806]  ? do_raw_spin_unlock+0xa7/0x330
[  605.807213]  fallback_alloc+0x204/0x2e0
[  605.811189]  ____cache_alloc_node+0x1c7/0x1e0
[  605.815684]  kmem_cache_alloc_node+0xe3/0x730
[  605.820176]  ? ipv6_get_ifaddr+0x42e/0x620
[  605.824438]  __alloc_skb+0x119/0x770
[  605.828153]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  605.833440]  ? netdev_alloc_frag+0x1f0/0x1f0
[  605.837861]  ? lock_downgrade+0x900/0x900
[  605.842021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.847558]  ? refcount_sub_and_test_checked+0x203/0x310
[  605.853013]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  605.858497]  ? addrconf_rs_timer+0x690/0x690
[  605.862915]  ndisc_alloc_skb+0x144/0x340
[  605.867021]  ndisc_send_rs+0x331/0x6e0
[  605.870928]  addrconf_rs_timer+0x314/0x690
[  605.875164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.879408]  call_timer_fn+0x272/0x920
[  605.883303]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.887539]  ? process_timeout+0x40/0x40
[  605.891629]  ? mark_held_locks+0xc7/0x130
[  605.895779]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.900270]  ? _raw_spin_unlock_irq+0x27/0x80
[  605.904766]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.909001]  ? lockdep_hardirqs_on+0x296/0x5b0
[  605.913602]  ? trace_hardirqs_on+0xbd/0x310
[  605.917926]  ? kasan_check_read+0x11/0x20
[  605.922070]  ? __run_timers+0x7da/0xc70
[  605.926060]  ? trace_hardirqs_off_caller+0x310/0x310
[  605.931169]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.935413]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  605.939658]  __run_timers+0x7e5/0xc70
[  605.943475]  ? timer_fixup_init+0x70/0x70
[  605.947642]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  605.952659]  ? zap_class+0x640/0x640
[  605.956438]  ? print_usage_bug+0xc0/0xc0
[  605.960519]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  605.965730]  ? find_held_lock+0x36/0x1c0
[  605.969824]  ? zap_class+0x640/0x640
[  605.973542]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.979084]  ? check_preemption_disabled+0x48/0x280
[  605.984130]  ? __lock_is_held+0xb5/0x140
[  605.988198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  605.993736]  ? check_preemption_disabled+0x48/0x280
[  605.998759]  run_timer_softirq+0x52/0xb0
[  606.002821]  ? rcu_read_lock_sched_held+0x14f/0x180
[  606.007838]  __do_softirq+0x308/0xb7e
[  606.011646]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  606.016140]  ? lock_downgrade+0x900/0x900
[  606.020294]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  606.025420]  ? pvclock_read_flags+0x160/0x160
[  606.029934]  ? lapic_next_event+0x5a/0x90
[  606.034087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.039630]  ? kvm_clock_read+0x18/0x30
[  606.043603]  ? kvm_sched_clock_read+0x9/0x20
[  606.048013]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.053549]  ? check_preemption_disabled+0x48/0x280
[  606.058608]  irq_exit+0x17f/0x1c0
[  606.062063]  smp_apic_timer_interrupt+0x1cb/0x760
[  606.066906]  ? smp_call_function_single_interrupt+0x650/0x650
[  606.072806]  ? interrupt_entry+0xb5/0xc0
[  606.076886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  606.081925]  ? trace_hardirqs_off_caller+0xbb/0x310
[  606.086973]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.091836]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.096853]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.101869]  ? task_prio+0x50/0x50
[  606.105414]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.110959]  ? check_preemption_disabled+0x48/0x280
[  606.116004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.120856]  apic_timer_interrupt+0xf/0x20
[  606.125087]  </IRQ>
[  606.127326] RIP: 0010:dump_stack+0x358/0x39d
[  606.131854] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  606.151118] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  606.158828] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  606.166097] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  606.173362] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  606.180626] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  606.187908] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  606.195261]  ? dump_stack+0x34f/0x39d
[  606.199099]  ? dump_stack_print_info.cold.1+0x20/0x20
[  606.204368]  ? mark_held_locks+0x130/0x130
[  606.208735]  ? mark_held_locks+0x130/0x130
[  606.212975]  dump_header+0x27b/0xf72
[  606.216708]  ? pagefault_out_of_memory+0x197/0x197
[  606.221649]  ? __lock_acquire+0x62f/0x4c20
[  606.225886]  ? percpu_ref_get_many+0x240/0x240
[  606.230470]  ? print_usage_bug+0xc0/0xc0
[  606.234565]  ? zap_class+0x640/0x640
[  606.238275]  ? print_usage_bug+0xc0/0xc0
[  606.242337]  ? print_usage_bug+0xc0/0xc0
[  606.246404]  ? zap_class+0x640/0x640
[  606.250154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.255711]  ? find_held_lock+0x36/0x1c0
[  606.259776]  ? mark_held_locks+0xc7/0x130
[  606.263950]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  606.269065]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  606.274161]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  606.278740]  ? trace_hardirqs_on+0xbd/0x310
[  606.283060]  ? kasan_check_read+0x11/0x20
[  606.287227]  ? ___ratelimit+0x3b4/0x672
[  606.291221]  ? trace_hardirqs_off_caller+0x310/0x310
[  606.296325]  ? trace_hardirqs_on+0x310/0x310
[  606.300734]  ? lock_downgrade+0x900/0x900
[  606.304889]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  606.310000]  ? ___ratelimit+0x3b9/0x672
[  606.314003]  ? idr_get_free+0xf70/0xf70
[  606.318022]  ? find_held_lock+0x36/0x1c0
[  606.322115]  oom_kill_process.cold.27+0x10/0x903
[  606.326905]  ? zap_class+0x640/0x640
[  606.330618]  ? check_preemption_disabled+0x48/0x280
[  606.335637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  606.340565]  ? kasan_check_read+0x11/0x20
[  606.344715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.349991]  ? oom_evaluate_task+0x540/0x540
[  606.354403]  ? find_held_lock+0x36/0x1c0
[  606.358481]  ? out_of_memory+0x974/0x1430
[  606.362651]  ? lock_downgrade+0x900/0x900
[  606.366798]  ? check_preemption_disabled+0x48/0x280
[  606.371816]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  606.376756]  ? kasan_check_read+0x11/0x20
[  606.380900]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.386184]  ? rcu_softirq_qs+0x20/0x20
[  606.390156]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.395688]  ? oom_evaluate_task+0x302/0x540
[  606.400114]  out_of_memory+0xa84/0x1430
[  606.404121]  ? oom_killer_disable+0x3a0/0x3a0
[  606.408617]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  606.413551]  ? __ww_mutex_check_waiters+0x160/0x160
[  606.418577]  __alloc_pages_slowpath+0x232c/0x2de0
[  606.423469]  ? warn_alloc+0x120/0x120
[  606.427273]  ? mark_held_locks+0x130/0x130
[  606.431518]  ? find_get_entry+0xaae/0x1120
[  606.435774]  ? filemap_map_pages+0x1a20/0x1a20
[  606.440376]  ? zap_class+0x640/0x640
[  606.444108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  606.449644]  ? check_preemption_disabled+0x48/0x280
[  606.454672]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.460233]  ? should_fail+0x22d/0xd01
[  606.464123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  606.469238]  ? zap_class+0x640/0x640
[  606.472976]  ? __lock_is_held+0xb5/0x140
[  606.477045]  ? mark_held_locks+0x130/0x130
[  606.481291]  ? lock_release+0xa00/0xa00
[  606.485268]  ? perf_trace_sched_process_exec+0x860/0x860
[  606.490736]  ? xa_load+0x2ba/0x460
[  606.494290]  ? lock_downgrade+0x900/0x900
[  606.498448]  ? __might_sleep+0x95/0x190
[  606.502440]  __alloc_pages_nodemask+0xad8/0xea0
[  606.507117]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  606.512161]  ? __page_cache_alloc+0x191/0x5c0
[  606.516658]  ? xa_load+0x2e1/0x460
[  606.520198]  ? xa_clear_mark+0x40/0x40
[  606.524091]  ? zap_class+0x640/0x640
[  606.527815]  ? zap_class+0x640/0x640
[  606.531529]  ? zap_class+0x640/0x640
[  606.535248]  ? __do_page_cache_readahead+0x663/0x810
[  606.540358]  ? find_held_lock+0x36/0x1c0
[  606.544427]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  606.549983]  alloc_pages_current+0x173/0x350
[  606.554414]  __page_cache_alloc+0x38c/0x5c0
[  606.558742]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  606.563672]  ? kasan_check_read+0x11/0x20
[  606.567822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.573103]  ? generic_perform_write+0x6a0/0x6a0
[  606.577864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.583418]  ? check_preemption_disabled+0x48/0x280
[  606.588459]  filemap_fault+0x1595/0x25f0
[  606.592535]  ? __lock_page_or_retry+0xa00/0xa00
[  606.597208]  ? mark_held_locks+0x130/0x130
[  606.601459]  ? filemap_map_pages+0xd6b/0x1a20
[  606.605967]  ? lock_downgrade+0x900/0x900
[  606.610131]  ? check_preemption_disabled+0x48/0x280
[  606.615153]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  606.620126]  ? kasan_check_read+0x11/0x20
[  606.624272]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.629550]  ? rcu_softirq_qs+0x20/0x20
[  606.633539]  ? filemap_map_pages+0xd92/0x1a20
[  606.638047]  ? find_get_entries_tag+0x1400/0x1400
[  606.642896]  ? __kernel_text_address+0xd/0x40
[  606.647395]  ? unwind_get_return_address+0x61/0xa0
[  606.652347]  ? lock_acquire+0x1ed/0x520
[  606.656320]  ? ext4_filemap_fault+0x7a/0xad
[  606.660650]  ? lock_release+0xa00/0xa00
[  606.664622]  ? perf_trace_sched_process_exec+0x860/0x860
[  606.670088]  ? print_usage_bug+0xc0/0xc0
[  606.674162]  ? print_usage_bug+0xc0/0xc0
[  606.678238]  ? __x64_sys_read+0x73/0xb0
[  606.682209]  ? print_usage_bug+0xc0/0xc0
[  606.686280]  ? down_read+0x8d/0x120
[  606.689914]  ? ext4_filemap_fault+0x7a/0xad
[  606.694237]  ? __down_interruptible+0x700/0x700
[  606.698917]  ext4_filemap_fault+0x82/0xad
[  606.703084]  __do_fault+0x100/0x6b0
[  606.706716]  ? trace_hardirqs_on+0xbd/0x310
[  606.711042]  ? pmd_devmap_trans_unstable+0x220/0x220
[  606.716151]  ? mark_held_locks+0x130/0x130
[  606.720385]  ? mark_held_locks+0x130/0x130
[  606.724619]  ? do_syslog+0x147b/0x1690
[  606.728507]  ? do_syslog+0x309/0x1690
[  606.732306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.737841]  __handle_mm_fault+0x3ea0/0x5be0
[  606.742250]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  606.747093]  ? find_held_lock+0x36/0x1c0
[  606.751171]  ? zap_class+0x640/0x640
[  606.754892]  ? zap_class+0x640/0x640
[  606.758614]  ? find_held_lock+0x36/0x1c0
[  606.762685]  ? handle_mm_fault+0x42a/0xc70
[  606.766959]  ? lock_downgrade+0x900/0x900
[  606.771122]  ? check_preemption_disabled+0x48/0x280
[  606.776137]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  606.781060]  ? kasan_check_read+0x11/0x20
[  606.785200]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  606.790498]  ? rcu_softirq_qs+0x20/0x20
[  606.794497]  ? trace_hardirqs_off_caller+0x310/0x310
[  606.799594]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  606.805128]  ? check_preemption_disabled+0x48/0x280
[  606.810144]  handle_mm_fault+0x54f/0xc70
[  606.814197]  ? __handle_mm_fault+0x5be0/0x5be0
[  606.818790]  ? find_vma+0x34/0x190
[  606.822330]  __do_page_fault+0x5e8/0xe60
[  606.826421]  ? trace_hardirqs_off+0xb8/0x310
[  606.830835]  ? kernel_write+0x120/0x120
[  606.834838]  do_page_fault+0xf2/0x7e0
[  606.838639]  ? vmalloc_sync_all+0x30/0x30
[  606.842815]  ? error_entry+0x70/0xd0
[  606.846530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  606.851615]  ? trace_hardirqs_on_caller+0xc0/0x310
[  606.856545]  ? syscall_return_slowpath+0x5e0/0x5e0
[  606.861473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.866312]  ? trace_hardirqs_on_caller+0x310/0x310
[  606.871327]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  606.876776]  ? prepare_exit_to_usermode+0x291/0x3b0
[  606.881786]  ? page_fault+0x8/0x30
[  606.885324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  606.890172]  ? page_fault+0x8/0x30
[  606.893710]  page_fault+0x1e/0x30
[  606.897174] RIP: 0033:0x7fe9f4ff21fd
[  606.901007] Code: Bad RIP value.
[  606.904379] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  606.910206] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  606.917465] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  606.924727] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  606.932017] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  606.939279] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  606.946580] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  606.946585] warn_alloc_show_mem: 1 callbacks suppressed
[  606.946592] Mem-Info:
[  606.953695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  606.953702] Call Trace:
[  606.959094] active_anon:43385 inactive_anon:190 isolated_anon:0
[  606.959094]  active_file:9 inactive_file:19 isolated_file:0
[  606.959094]  unevictable:0 dirty:0 writeback:0 unstable:0
[  606.959094]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  606.959094]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  606.959094]  free:13722 free_pcp:438 free_cma:0
[  606.961475]  <IRQ>
[  606.970852] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  606.973445]  dump_stack+0x244/0x39d
[  607.006206] 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
[  607.008368]  ? dump_stack_print_info.cold.1+0x20/0x20
[  607.035895] lowmem_reserve[]: 0 2818 6321 6321
[  607.039537]  warn_alloc.cold.116+0xb7/0x1bd
[  607.065612] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  607.070797]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  607.075343] lowmem_reserve[]: 0 0 3503 3503
[  607.079669]  ? lock_downgrade+0x900/0x900
[  607.106967] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  607.111809]  ? trace_hardirqs_off+0xb8/0x310
[  607.116110] lowmem_reserve[]: 0 0 0 0
[  607.120261]  ? trace_hardirqs_off+0xb8/0x310
[  607.149221] 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
[  607.153626]  __alloc_pages_slowpath+0x2651/0x2de0
[  607.157398] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  607.161827]  ? warn_alloc+0x120/0x120
[  607.175314] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  607.180155]  ? print_usage_bug+0xc0/0xc0
[  607.195147] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  607.198957]  ? warn_alloc+0x120/0x120
[  607.214482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  607.218535]  ? warn_alloc+0x120/0x120
[  607.227360] 272 total pagecache pages
[  607.231151]  ? print_usage_bug+0xc0/0xc0
[  607.239711] 0 pages in swap cache
[  607.243496]  ? kvm_clock_read+0x18/0x30
[  607.247293] Swap cache stats: add 0, delete 0, find 0/0
[  607.251339]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  607.254765] Free swap  = 0kB
[  607.258739]  ? print_usage_bug+0xc0/0xc0
[  607.264080] Total swap = 0kB
[  607.269088]  ? __lock_acquire+0x62f/0x4c20
[  607.272087] 1965979 pages RAM
[  607.276170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.279186] 0 pages HighMem/MovableOnly
[  607.283428]  ? should_fail+0x22d/0xd01
[  607.286518] 342854 pages reserved
[  607.292049]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.296019] 0 pages cma reserved
[  607.299907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  607.303391] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  607.308606]  ? __lock_acquire+0x62f/0x4c20
[  607.312081] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  607.317053]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  607.323553] rsyslogd cpuset=/ mems_allowed=0
[  607.327814]  ? __lock_acquire+0x62f/0x4c20
[  607.351537]  ? should_fail+0x22d/0xd01
[  607.355421]  ? rcu_irq_exit+0x1a2/0x390
[  607.359414]  ? mark_held_locks+0x130/0x130
[  607.363677]  ? mark_held_locks+0x130/0x130
[  607.367922]  ? mark_held_locks+0xc7/0x130
[  607.372089]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  607.377104]  ? zap_class+0x640/0x640
[  607.380817]  ? print_usage_bug+0xc0/0xc0
[  607.384890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.390467]  ? check_preemption_disabled+0x48/0x280
[  607.395505]  ? __lock_is_held+0xb5/0x140
[  607.399572]  __alloc_pages_nodemask+0xad8/0xea0
[  607.404241]  ? zap_class+0x640/0x640
[  607.407954]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  607.412997]  ? find_held_lock+0x36/0x1c0
[  607.417070]  ? ____cache_alloc_node+0x1c7/0x1e0
[  607.421759]  ? lock_downgrade+0x900/0x900
[  607.425936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.431492]  cache_grow_begin+0xa5/0x8c0
[  607.435545]  ? do_raw_spin_unlock+0xa7/0x330
[  607.439954]  fallback_alloc+0x204/0x2e0
[  607.443932]  ____cache_alloc_node+0x1c7/0x1e0
[  607.448426]  kmem_cache_alloc_node+0xe3/0x730
[  607.452950]  ? ipv6_get_ifaddr+0x42e/0x620
[  607.457215]  __alloc_skb+0x119/0x770
[  607.460934]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.466209]  ? netdev_alloc_frag+0x1f0/0x1f0
[  607.470639]  ? lock_downgrade+0x900/0x900
[  607.474801]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.480343]  ? refcount_sub_and_test_checked+0x203/0x310
[  607.485822]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  607.491307]  ? addrconf_rs_timer+0x690/0x690
[  607.495716]  ndisc_alloc_skb+0x144/0x340
[  607.499792]  ndisc_send_rs+0x331/0x6e0
[  607.503721]  addrconf_rs_timer+0x314/0x690
[  607.507953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  607.512187]  call_timer_fn+0x272/0x920
[  607.516100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  607.520326]  ? process_timeout+0x40/0x40
[  607.524384]  ? __run_timers+0x7da/0xc70
[  607.528358]  ? _raw_spin_unlock_irq+0x27/0x80
[  607.532863]  ? _raw_spin_unlock_irq+0x27/0x80
[  607.537344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  607.541570]  ? lockdep_hardirqs_on+0x296/0x5b0
[  607.546142]  ? trace_hardirqs_on+0xbd/0x310
[  607.550462]  ? kasan_check_read+0x11/0x20
[  607.554603]  ? __run_timers+0x7da/0xc70
[  607.558579]  ? trace_hardirqs_off_caller+0x310/0x310
[  607.563674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  607.567918]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  607.572153]  __run_timers+0x7e5/0xc70
[  607.575953]  ? timer_fixup_init+0x70/0x70
[  607.580126]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  607.585135]  ? zap_class+0x640/0x640
[  607.588860]  ? enqueue_hrtimer+0x1a5/0x560
[  607.593094]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  607.598297]  ? find_held_lock+0x36/0x1c0
[  607.602357]  ? zap_class+0x640/0x640
[  607.606084]  ? pvclock_read_flags+0x160/0x160
[  607.610586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.616116]  ? check_preemption_disabled+0x48/0x280
[  607.621165]  ? __lock_is_held+0xb5/0x140
[  607.625222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.630752]  ? check_preemption_disabled+0x48/0x280
[  607.635788]  run_timer_softirq+0x52/0xb0
[  607.639860]  ? rcu_read_lock_sched_held+0x14f/0x180
[  607.644869]  __do_softirq+0x308/0xb7e
[  607.648680]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  607.653163]  ? lock_downgrade+0x900/0x900
[  607.657308]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  607.662443]  ? pvclock_read_flags+0x160/0x160
[  607.666944]  ? lapic_next_event+0x5a/0x90
[  607.671085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.676638]  ? kvm_clock_read+0x18/0x30
[  607.680605]  ? kvm_sched_clock_read+0x9/0x20
[  607.685011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.690541]  ? check_preemption_disabled+0x48/0x280
[  607.695566]  irq_exit+0x17f/0x1c0
[  607.699020]  smp_apic_timer_interrupt+0x1cb/0x760
[  607.703870]  ? smp_reschedule_interrupt+0x109/0x650
[  607.708882]  ? smp_call_function_single_interrupt+0x650/0x650
[  607.714759]  ? interrupt_entry+0xb5/0xc0
[  607.718818]  ? trace_hardirqs_off_caller+0xbb/0x310
[  607.723837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  607.728851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  607.733696]  ? trace_hardirqs_on_caller+0x310/0x310
[  607.738705]  ? trace_hardirqs_on_caller+0x310/0x310
[  607.743756]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  607.748608]  apic_timer_interrupt+0xf/0x20
[  607.752832]  </IRQ>
[  607.755079] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  607.759999] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  607.779045] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  607.786776] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  607.794046] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  607.801304] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  607.808560] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  607.815830] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  607.823141]  skb_clone+0x1bb/0x500
[  607.826707]  ? finish_task_switch+0x2f4/0x910
[  607.831215]  ? skb_split+0x11e0/0x11e0
[  607.835114]  ? preempt_notifier_register+0x200/0x200
[  607.840211]  ? __switch_to_asm+0x34/0x70
[  607.844267]  ? __switch_to_asm+0x34/0x70
[  607.848322]  ? __switch_to_asm+0x40/0x70
[  607.852378]  ? __switch_to_asm+0x34/0x70
[  607.856438]  ? __switch_to_asm+0x40/0x70
[  607.860497]  ? __switch_to_asm+0x34/0x70
[  607.864583]  ? __switch_to_asm+0x40/0x70
[  607.868634]  ? __switch_to_asm+0x34/0x70
[  607.872692]  ? __switch_to_asm+0x34/0x70
[  607.876761]  ? __switch_to_asm+0x40/0x70
[  607.880821]  ? __switch_to_asm+0x34/0x70
[  607.884886]  bpf_clone_redirect+0xb9/0x490
[  607.889134]  ? __schedule+0x8d7/0x21d0
[  607.893041]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  607.898059]  ? __sched_text_start+0x8/0x8
[  607.902212]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  607.906804]  ? retint_kernel+0x2d/0x2d
[  607.910689]  ? trace_hardirqs_on_caller+0xc0/0x310
[  607.915654]  ? find_held_lock+0x36/0x1c0
[  607.919733]  ? lock_acquire+0x1ed/0x520
[  607.923723]  ? bpf_test_run+0x3ee/0x7a0
[  607.927707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  607.933247]  ? check_preemption_disabled+0x48/0x280
[  607.938283]  ? kasan_check_read+0x11/0x20
[  607.942441]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  607.947719]  ? rcu_softirq_qs+0x20/0x20
[  607.951692]  ? preempt_schedule+0x4d/0x60
[  607.955850]  ? ___preempt_schedule+0x16/0x18
[  607.960266]  ? bpf_test_run+0x271/0x7a0
[  607.964251]  ? netlink_diag_dump+0x2a0/0x2a0
[  607.968666]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  607.974201]  ? bpf_test_init.isra.10+0x70/0x100
[  607.978901]  ? bpf_prog_test_run_skb+0x762/0xd60
[  607.983675]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  607.988562]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  607.994097]  ? fput+0x130/0x1a0
[  607.997387]  ? __bpf_prog_get+0x9b/0x290
[  608.001463]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  608.006330]  ? bpf_prog_test_run+0x130/0x1a0
[  608.010737]  ? __x64_sys_bpf+0x3d8/0x520
[  608.014824]  ? bpf_prog_get+0x20/0x20
[  608.018641]  ? do_syscall_64+0x1b9/0x820
[  608.022701]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  608.028082]  ? syscall_return_slowpath+0x5e0/0x5e0
[  608.033012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.037888]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.042922]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  608.047958]  ? prepare_exit_to_usermode+0x291/0x3b0
[  608.052986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.057840]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  608.063230] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  608.063315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  608.069981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  608.069990] Call Trace:
[  608.076562] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  608.085818]  <IRQ>
[  608.088386] syz-executor4 cpuset=syz4 mems_allowed=0
[  608.098873]  dump_stack+0x244/0x39d
[  608.109736]  ? dump_stack_print_info.cold.1+0x20/0x20
[  608.114937]  warn_alloc.cold.116+0xb7/0x1bd
[  608.119261]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  608.124109]  ? lock_downgrade+0x900/0x900
[  608.128299]  ? trace_hardirqs_off+0xb8/0x310
[  608.132717]  ? trace_hardirqs_off+0xb8/0x310
[  608.137149]  __alloc_pages_slowpath+0x2651/0x2de0
[  608.142022]  ? warn_alloc+0x120/0x120
[  608.145829]  ? warn_alloc+0x120/0x120
[  608.149628]  ? zap_class+0x640/0x640
[  608.153346]  ? warn_alloc+0x120/0x120
[  608.157143]  ? print_usage_bug+0xc0/0xc0
[  608.161212]  ? print_usage_bug+0xc0/0xc0
[  608.165270]  ? __lock_is_held+0xb5/0x140
[  608.169348]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.174923]  ? should_fail+0x22d/0xd01
[  608.178838]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  608.183940]  ? __lock_acquire+0x62f/0x4c20
[  608.188171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  608.193292]  ? __lock_acquire+0x62f/0x4c20
[  608.197552]  ? should_fail+0x22d/0xd01
[  608.201455]  ? mark_held_locks+0x130/0x130
[  608.205690]  ? mark_held_locks+0x130/0x130
[  608.210011]  ? __enqueue_entity+0x10d/0x1f0
[  608.214331]  ? zap_class+0x640/0x640
[  608.218041]  ? print_usage_bug+0xc0/0xc0
[  608.222099]  ? __lock_acquire+0x62f/0x4c20
[  608.226328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.231878]  ? check_preemption_disabled+0x48/0x280
[  608.236904]  ? __lock_is_held+0xb5/0x140
[  608.240984]  __alloc_pages_nodemask+0xad8/0xea0
[  608.245648]  ? zap_class+0x640/0x640
[  608.249363]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  608.254383]  ? find_held_lock+0x36/0x1c0
[  608.258467]  ? ____cache_alloc_node+0x1c7/0x1e0
[  608.263134]  ? lock_downgrade+0x900/0x900
[  608.267282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.272840]  cache_grow_begin+0xa5/0x8c0
[  608.276894]  ? do_raw_spin_unlock+0xa7/0x330
[  608.281306]  fallback_alloc+0x204/0x2e0
[  608.285288]  ____cache_alloc_node+0x1c7/0x1e0
[  608.289803]  kmem_cache_alloc_node+0xe3/0x730
[  608.294312]  ? ipv6_get_ifaddr+0x42e/0x620
[  608.298556]  __alloc_skb+0x119/0x770
[  608.302262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  608.307536]  ? netdev_alloc_frag+0x1f0/0x1f0
[  608.311949]  ? lock_downgrade+0x900/0x900
[  608.316097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.321646]  ? refcount_sub_and_test_checked+0x203/0x310
[  608.327112]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  608.332577]  ? addrconf_rs_timer+0x690/0x690
[  608.336996]  ndisc_alloc_skb+0x144/0x340
[  608.341056]  ndisc_send_rs+0x331/0x6e0
[  608.344952]  addrconf_rs_timer+0x314/0x690
[  608.349209]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  608.353464]  call_timer_fn+0x272/0x920
[  608.357350]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  608.361580]  ? process_timeout+0x40/0x40
[  608.365649]  ? mark_held_locks+0xc7/0x130
[  608.369794]  ? _raw_spin_unlock_irq+0x27/0x80
[  608.374297]  ? _raw_spin_unlock_irq+0x27/0x80
[  608.378797]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  608.383055]  ? lockdep_hardirqs_on+0x296/0x5b0
[  608.387640]  ? trace_hardirqs_on+0xbd/0x310
[  608.391985]  ? kasan_check_read+0x11/0x20
[  608.396126]  ? __run_timers+0x7da/0xc70
[  608.400113]  ? trace_hardirqs_off_caller+0x310/0x310
[  608.405220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  608.409455]  __run_timers+0x7e5/0xc70
[  608.413273]  ? timer_fixup_init+0x70/0x70
[  608.417424]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  608.422453]  ? zap_class+0x640/0x640
[  608.426169]  ? print_usage_bug+0xc0/0xc0
[  608.430233]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  608.435429]  ? find_held_lock+0x36/0x1c0
[  608.439505]  ? zap_class+0x640/0x640
[  608.443219]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.448752]  ? check_preemption_disabled+0x48/0x280
[  608.453775]  ? __lock_is_held+0xb5/0x140
[  608.457834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.463368]  ? check_preemption_disabled+0x48/0x280
[  608.468381]  run_timer_softirq+0x52/0xb0
[  608.472444]  ? rcu_read_lock_sched_held+0x14f/0x180
[  608.477483]  __do_softirq+0x308/0xb7e
[  608.481298]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  608.485803]  ? lock_downgrade+0x900/0x900
[  608.489977]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  608.495104]  ? pvclock_read_flags+0x160/0x160
[  608.499600]  ? lapic_next_event+0x5a/0x90
[  608.503745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.509288]  ? kvm_clock_read+0x18/0x30
[  608.513266]  ? kvm_sched_clock_read+0x9/0x20
[  608.517680]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.523249]  ? check_preemption_disabled+0x48/0x280
[  608.528268]  irq_exit+0x17f/0x1c0
[  608.531720]  smp_apic_timer_interrupt+0x1cb/0x760
[  608.536559]  ? smp_call_function_single_interrupt+0x650/0x650
[  608.542441]  ? interrupt_entry+0xb5/0xc0
[  608.546514]  ? trace_hardirqs_off_caller+0xbb/0x310
[  608.551557]  ? trace_hardirqs_off_caller+0xbb/0x310
[  608.556608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.561471]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.566486]  ? trace_hardirqs_on_caller+0x310/0x310
[  608.571509]  ? task_prio+0x50/0x50
[  608.575049]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.580606]  ? check_preemption_disabled+0x48/0x280
[  608.585628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  608.590480]  apic_timer_interrupt+0xf/0x20
[  608.594728]  </IRQ>
[  608.596967] RIP: 0010:dump_stack+0x358/0x39d
[  608.601381] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  608.620296] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  608.628000] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  608.635268] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  608.642536] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  608.649804] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  608.657072] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  608.664356]  ? dump_stack+0x34f/0x39d
[  608.668184]  ? dump_stack_print_info.cold.1+0x20/0x20
[  608.673384]  ? mark_held_locks+0x130/0x130
[  608.677632]  ? mark_held_locks+0x130/0x130
[  608.681872]  dump_header+0x27b/0xf72
[  608.685622]  ? pagefault_out_of_memory+0x197/0x197
[  608.690585]  ? __lock_acquire+0x62f/0x4c20
[  608.694840]  ? percpu_ref_get_many+0x240/0x240
[  608.699440]  ? print_usage_bug+0xc0/0xc0
[  608.703525]  ? zap_class+0x640/0x640
[  608.707243]  ? print_usage_bug+0xc0/0xc0
[  608.711303]  ? print_usage_bug+0xc0/0xc0
[  608.715382]  ? zap_class+0x640/0x640
[  608.719113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.724685]  ? find_held_lock+0x36/0x1c0
[  608.728771]  ? mark_held_locks+0xc7/0x130
[  608.732923]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  608.738029]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  608.743151]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  608.747732]  ? trace_hardirqs_on+0xbd/0x310
[  608.752054]  ? kasan_check_read+0x11/0x20
[  608.756205]  ? ___ratelimit+0x3b4/0x672
[  608.760181]  ? trace_hardirqs_off_caller+0x310/0x310
[  608.765288]  ? trace_hardirqs_on+0x310/0x310
[  608.769696]  ? lock_downgrade+0x900/0x900
[  608.773849]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  608.778953]  ? ___ratelimit+0x3b9/0x672
[  608.782930]  ? idr_get_free+0xf70/0xf70
[  608.786913]  ? find_held_lock+0x36/0x1c0
[  608.790984]  oom_kill_process.cold.27+0x10/0x903
[  608.795739]  ? zap_class+0x640/0x640
[  608.799475]  ? check_preemption_disabled+0x48/0x280
[  608.804546]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  608.809475]  ? kasan_check_read+0x11/0x20
[  608.813622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  608.818917]  ? oom_evaluate_task+0x540/0x540
[  608.823348]  ? find_held_lock+0x36/0x1c0
[  608.827419]  ? out_of_memory+0x974/0x1430
[  608.831573]  ? lock_downgrade+0x900/0x900
[  608.835721]  ? check_preemption_disabled+0x48/0x280
[  608.840739]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  608.845669]  ? kasan_check_read+0x11/0x20
[  608.849813]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  608.855105]  ? rcu_softirq_qs+0x20/0x20
[  608.859086]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.864637]  ? oom_evaluate_task+0x302/0x540
[  608.869058]  out_of_memory+0xa84/0x1430
[  608.873041]  ? oom_killer_disable+0x3a0/0x3a0
[  608.877550]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  608.882488]  ? __ww_mutex_check_waiters+0x160/0x160
[  608.887519]  __alloc_pages_slowpath+0x232c/0x2de0
[  608.892394]  ? warn_alloc+0x120/0x120
[  608.896225]  ? mark_held_locks+0x130/0x130
[  608.900472]  ? find_get_entry+0xaae/0x1120
[  608.905792]  ? filemap_map_pages+0x1a20/0x1a20
[  608.910385]  ? zap_class+0x640/0x640
[  608.914104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  608.919643]  ? check_preemption_disabled+0x48/0x280
[  608.924681]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  608.930223]  ? should_fail+0x22d/0xd01
[  608.934125]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  608.939222]  ? zap_class+0x640/0x640
[  608.942987]  ? __lock_is_held+0xb5/0x140
[  608.947717]  ? mark_held_locks+0x130/0x130
[  608.952053]  ? lock_release+0xa00/0xa00
[  608.956027]  ? perf_trace_sched_process_exec+0x860/0x860
[  608.961490]  ? xa_load+0x2ba/0x460
[  608.965035]  ? lock_downgrade+0x900/0x900
[  608.969186]  ? __might_sleep+0x95/0x190
[  608.973162]  __alloc_pages_nodemask+0xad8/0xea0
[  608.977849]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  608.982862]  ? __page_cache_alloc+0x191/0x5c0
[  608.987353]  ? xa_load+0x2e1/0x460
[  608.990904]  ? xa_clear_mark+0x40/0x40
[  608.994970]  ? zap_class+0x640/0x640
[  608.998749]  ? zap_class+0x640/0x640
[  609.002497]  ? zap_class+0x640/0x640
[  609.006728]  ? __do_page_cache_readahead+0x663/0x810
[  609.012319]  ? find_held_lock+0x36/0x1c0
[  609.016414]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  609.022154]  alloc_pages_current+0x173/0x350
[  609.026593]  __page_cache_alloc+0x38c/0x5c0
[  609.031671]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  609.036605]  ? kasan_check_read+0x11/0x20
[  609.040759]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.046161]  ? generic_perform_write+0x6a0/0x6a0
[  609.051027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.056585]  ? check_preemption_disabled+0x48/0x280
[  609.061612]  filemap_fault+0x1595/0x25f0
[  609.065688]  ? __lock_page_or_retry+0xa00/0xa00
[  609.070362]  ? mark_held_locks+0x130/0x130
[  609.074622]  ? filemap_map_pages+0xd6b/0x1a20
[  609.079122]  ? lock_downgrade+0x900/0x900
[  609.083273]  ? check_preemption_disabled+0x48/0x280
[  609.088657]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  609.093589]  ? kasan_check_read+0x11/0x20
[  609.097736]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.103129]  ? rcu_softirq_qs+0x20/0x20
[  609.107135]  ? filemap_map_pages+0xd92/0x1a20
[  609.111647]  ? find_get_entries_tag+0x1400/0x1400
[  609.116507]  ? __kernel_text_address+0xd/0x40
[  609.121000]  ? unwind_get_return_address+0x61/0xa0
[  609.125939]  ? lock_acquire+0x1ed/0x520
[  609.129912]  ? ext4_filemap_fault+0x7a/0xad
[  609.134235]  ? lock_release+0xa00/0xa00
[  609.138207]  ? perf_trace_sched_process_exec+0x860/0x860
[  609.143796]  ? print_usage_bug+0xc0/0xc0
[  609.148006]  ? print_usage_bug+0xc0/0xc0
[  609.152074]  ? __x64_sys_read+0x73/0xb0
[  609.156050]  ? print_usage_bug+0xc0/0xc0
[  609.160130]  ? down_read+0x8d/0x120
[  609.163749]  ? ext4_filemap_fault+0x7a/0xad
[  609.168081]  ? __down_interruptible+0x700/0x700
[  609.172771]  ext4_filemap_fault+0x82/0xad
[  609.176931]  __do_fault+0x100/0x6b0
[  609.180569]  ? trace_hardirqs_on+0xbd/0x310
[  609.184891]  ? pmd_devmap_trans_unstable+0x220/0x220
[  609.190667]  ? mark_held_locks+0x130/0x130
[  609.194897]  ? mark_held_locks+0x130/0x130
[  609.199275]  ? do_syslog+0x147b/0x1690
[  609.203417]  ? do_syslog+0x309/0x1690
[  609.207498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.213046]  __handle_mm_fault+0x3ea0/0x5be0
[  609.217462]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  609.222309]  ? find_held_lock+0x36/0x1c0
[  609.226390]  ? zap_class+0x640/0x640
[  609.230096]  ? zap_class+0x640/0x640
[  609.233829]  ? find_held_lock+0x36/0x1c0
[  609.237896]  ? handle_mm_fault+0x42a/0xc70
[  609.242151]  ? lock_downgrade+0x900/0x900
[  609.246298]  ? check_preemption_disabled+0x48/0x280
[  609.251336]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  609.256263]  ? kasan_check_read+0x11/0x20
[  609.260405]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.265681]  ? rcu_softirq_qs+0x20/0x20
[  609.269652]  ? trace_hardirqs_off_caller+0x310/0x310
[  609.274753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.280295]  ? check_preemption_disabled+0x48/0x280
[  609.285318]  handle_mm_fault+0x54f/0xc70
[  609.289392]  ? __handle_mm_fault+0x5be0/0x5be0
[  609.294004]  ? find_vma+0x34/0x190
[  609.297547]  __do_page_fault+0x5e8/0xe60
[  609.301604]  ? trace_hardirqs_off+0xb8/0x310
[  609.306007]  ? kernel_write+0x120/0x120
[  609.310008]  do_page_fault+0xf2/0x7e0
[  609.313831]  ? vmalloc_sync_all+0x30/0x30
[  609.317980]  ? error_entry+0x70/0xd0
[  609.321710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  609.326721]  ? trace_hardirqs_on_caller+0xc0/0x310
[  609.331660]  ? syscall_return_slowpath+0x5e0/0x5e0
[  609.336616]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  609.341463]  ? trace_hardirqs_on_caller+0x310/0x310
[  609.346492]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  609.351950]  ? prepare_exit_to_usermode+0x291/0x3b0
[  609.357054]  ? page_fault+0x8/0x30
[  609.360605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  609.365473]  ? page_fault+0x8/0x30
[  609.369014]  page_fault+0x1e/0x30
[  609.372468] RIP: 0033:0x7fe9f4ff21fd
[  609.376207] Code: Bad RIP value.
[  609.379574] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  609.384931] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  609.392224] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  609.399507] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  609.406770] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  609.414033] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  609.421353] warn_alloc_show_mem: 1 callbacks suppressed
[  609.421364] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  609.421366] Mem-Info:
[  609.421408] active_anon:43385 inactive_anon:190 isolated_anon:0
[  609.421408]  active_file:9 inactive_file:19 isolated_file:0
[  609.421408]  unevictable:0 dirty:0 writeback:0 unstable:0
[  609.421408]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  609.421408]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  609.421408]  free:13722 free_pcp:438 free_cma:0
[  609.426746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  609.426754] Call Trace:
[  609.433871] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  609.436268]  <IRQ>
[  609.469057] 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
[  609.478400]  dump_stack+0x244/0x39d
[  609.480968] lowmem_reserve[]: 0 2818 6321 6321
[  609.508466]  ? dump_stack_print_info.cold.1+0x20/0x20
[  609.510608] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  609.536715]  warn_alloc.cold.116+0xb7/0x1bd
[  609.540320] lowmem_reserve[]: 0 0 3503 3503
[  609.544893]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  609.550056] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  609.577381]  ? lock_downgrade+0x900/0x900
[  609.581677] lowmem_reserve[]: 0 0 0 0
[  609.586020]  ? trace_hardirqs_off+0xb8/0x310
[  609.590830] 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
[  609.619810]  ? trace_hardirqs_off+0xb8/0x310
[  609.623987] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  609.627801]  __alloc_pages_slowpath+0x2651/0x2de0
[  609.632173] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  609.645739]  ? warn_alloc+0x120/0x120
[  609.650104] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  609.665109]  ? print_usage_bug+0xc0/0xc0
[  609.669934] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  609.685446]  ? warn_alloc+0x120/0x120
[  609.689221] 272 total pagecache pages
[  609.698044]  ? warn_alloc+0x120/0x120
[  609.702087] 0 pages in swap cache
[  609.710646]  ? print_usage_bug+0xc0/0xc0
[  609.714424] Swap cache stats: add 0, delete 0, find 0/0
[  609.718222]  ? kvm_clock_read+0x18/0x30
[  609.721994] Free swap  = 0kB
[  609.725460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  609.729496] Total swap = 0kB
[  609.734877]  ? print_usage_bug+0xc0/0xc0
[  609.738826] 1965979 pages RAM
[  609.741833]  ? __lock_acquire+0x62f/0x4c20
[  609.746826] 0 pages HighMem/MovableOnly
[  609.749839]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  609.753872] 342854 pages reserved
[  609.756971]  ? should_fail+0x22d/0xd01
[  609.761177] 0 pages cma reserved
[  609.765137]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.770702] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  609.774192]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  609.774207]  ? __lock_acquire+0x62f/0x4c20
[  609.774224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  609.778143] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  609.781466]  ? __lock_acquire+0x62f/0x4c20
[  609.786716] rsyslogd cpuset=/ mems_allowed=0
[  609.793198]  ? should_fail+0x22d/0xd01
[  609.830117]  ? rcu_irq_exit+0x1a2/0x390
[  609.834099]  ? mark_held_locks+0x130/0x130
[  609.838364]  ? mark_held_locks+0x130/0x130
[  609.842599]  ? mark_held_locks+0xc7/0x130
[  609.846742]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  609.851757]  ? zap_class+0x640/0x640
[  609.855500]  ? print_usage_bug+0xc0/0xc0
[  609.859565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.865660]  ? check_preemption_disabled+0x48/0x280
[  609.870690]  ? __lock_is_held+0xb5/0x140
[  609.874757]  __alloc_pages_nodemask+0xad8/0xea0
[  609.879464]  ? zap_class+0x640/0x640
[  609.883182]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  609.888205]  ? find_held_lock+0x36/0x1c0
[  609.892271]  ? ____cache_alloc_node+0x1c7/0x1e0
[  609.896950]  ? lock_downgrade+0x900/0x900
[  609.901138]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.906689]  cache_grow_begin+0xa5/0x8c0
[  609.910755]  ? do_raw_spin_unlock+0xa7/0x330
[  609.915180]  fallback_alloc+0x204/0x2e0
[  609.919169]  ____cache_alloc_node+0x1c7/0x1e0
[  609.923686]  kmem_cache_alloc_node+0xe3/0x730
[  609.928191]  ? ipv6_get_ifaddr+0x42e/0x620
[  609.932445]  __alloc_skb+0x119/0x770
[  609.936159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  609.941444]  ? netdev_alloc_frag+0x1f0/0x1f0
[  609.945853]  ? lock_downgrade+0x900/0x900
[  609.950038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  609.955571]  ? refcount_sub_and_test_checked+0x203/0x310
[  609.961034]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  609.966482]  ? addrconf_rs_timer+0x690/0x690
[  609.970919]  ndisc_alloc_skb+0x144/0x340
[  609.975032]  ndisc_send_rs+0x331/0x6e0
[  609.978959]  addrconf_rs_timer+0x314/0x690
[  609.983220]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.987467]  call_timer_fn+0x272/0x920
[  609.991357]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  609.995588]  ? process_timeout+0x40/0x40
[  609.999652]  ? __run_timers+0x7da/0xc70
[  610.003623]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.008110]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.012600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.016829]  ? lockdep_hardirqs_on+0x296/0x5b0
[  610.021403]  ? trace_hardirqs_on+0xbd/0x310
[  610.026329]  ? kasan_check_read+0x11/0x20
[  610.030472]  ? __run_timers+0x7da/0xc70
[  610.034471]  ? trace_hardirqs_off_caller+0x310/0x310
[  610.039572]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.043811]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.048040]  __run_timers+0x7e5/0xc70
[  610.051840]  ? timer_fixup_init+0x70/0x70
[  610.055981]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  610.061018]  ? zap_class+0x640/0x640
[  610.064761]  ? enqueue_hrtimer+0x1a5/0x560
[  610.068992]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  610.074183]  ? find_held_lock+0x36/0x1c0
[  610.078243]  ? zap_class+0x640/0x640
[  610.081957]  ? pvclock_read_flags+0x160/0x160
[  610.086452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.092027]  ? check_preemption_disabled+0x48/0x280
[  610.097074]  ? __lock_is_held+0xb5/0x140
[  610.101145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.106689]  ? check_preemption_disabled+0x48/0x280
[  610.111720]  run_timer_softirq+0x52/0xb0
[  610.115774]  ? rcu_read_lock_sched_held+0x14f/0x180
[  610.120798]  __do_softirq+0x308/0xb7e
[  610.124598]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  610.129102]  ? lock_downgrade+0x900/0x900
[  610.133246]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  610.138348]  ? pvclock_read_flags+0x160/0x160
[  610.142882]  ? lapic_next_event+0x5a/0x90
[  610.147026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.152575]  ? kvm_clock_read+0x18/0x30
[  610.156552]  ? kvm_sched_clock_read+0x9/0x20
[  610.160972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.166501]  ? check_preemption_disabled+0x48/0x280
[  610.171516]  irq_exit+0x17f/0x1c0
[  610.174975]  smp_apic_timer_interrupt+0x1cb/0x760
[  610.179824]  ? smp_reschedule_interrupt+0x109/0x650
[  610.184830]  ? smp_call_function_single_interrupt+0x650/0x650
[  610.190719]  ? interrupt_entry+0xb5/0xc0
[  610.194797]  ? trace_hardirqs_off_caller+0xbb/0x310
[  610.199820]  ? trace_hardirqs_off_caller+0xbb/0x310
[  610.204828]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.209662]  ? trace_hardirqs_on_caller+0x310/0x310
[  610.214716]  ? trace_hardirqs_on_caller+0x310/0x310
[  610.219775]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.224667]  apic_timer_interrupt+0xf/0x20
[  610.228887]  </IRQ>
[  610.231120] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  610.236059] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  610.254952] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  610.262657] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  610.269936] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  610.277196] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  610.284458] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  610.291723] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  610.299053]  skb_clone+0x1bb/0x500
[  610.302588]  ? finish_task_switch+0x2f4/0x910
[  610.307091]  ? skb_split+0x11e0/0x11e0
[  610.310976]  ? preempt_notifier_register+0x200/0x200
[  610.316065]  ? __switch_to_asm+0x34/0x70
[  610.320114]  ? __switch_to_asm+0x34/0x70
[  610.324163]  ? __switch_to_asm+0x40/0x70
[  610.328218]  ? __switch_to_asm+0x34/0x70
[  610.332280]  ? __switch_to_asm+0x40/0x70
[  610.336332]  ? __switch_to_asm+0x34/0x70
[  610.340413]  ? __switch_to_asm+0x40/0x70
[  610.344490]  ? __switch_to_asm+0x34/0x70
[  610.348546]  ? __switch_to_asm+0x34/0x70
[  610.352602]  ? __switch_to_asm+0x40/0x70
[  610.356661]  ? __switch_to_asm+0x34/0x70
[  610.360725]  bpf_clone_redirect+0xb9/0x490
[  610.364959]  ? __schedule+0x8d7/0x21d0
[  610.368861]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  610.373891]  ? __sched_text_start+0x8/0x8
[  610.378040]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  610.382615]  ? retint_kernel+0x2d/0x2d
[  610.386499]  ? trace_hardirqs_on_caller+0xc0/0x310
[  610.391448]  ? find_held_lock+0x36/0x1c0
[  610.395512]  ? lock_acquire+0x1ed/0x520
[  610.399484]  ? bpf_test_run+0x3ee/0x7a0
[  610.403460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.408991]  ? check_preemption_disabled+0x48/0x280
[  610.414025]  ? kasan_check_read+0x11/0x20
[  610.418185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  610.423462]  ? rcu_softirq_qs+0x20/0x20
[  610.427449]  ? preempt_schedule+0x4d/0x60
[  610.431604]  ? ___preempt_schedule+0x16/0x18
[  610.436010]  ? bpf_test_run+0x271/0x7a0
[  610.440041]  ? netlink_diag_dump+0x2a0/0x2a0
[  610.444491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.450019]  ? bpf_test_init.isra.10+0x70/0x100
[  610.454699]  ? bpf_prog_test_run_skb+0x762/0xd60
[  610.459472]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  610.464326]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  610.469866]  ? fput+0x130/0x1a0
[  610.473192]  ? __bpf_prog_get+0x9b/0x290
[  610.477267]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  610.482111]  ? bpf_prog_test_run+0x130/0x1a0
[  610.486512]  ? __x64_sys_bpf+0x3d8/0x520
[  610.490568]  ? bpf_prog_get+0x20/0x20
[  610.494389]  ? do_syscall_64+0x1b9/0x820
[  610.498453]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  610.503824]  ? syscall_return_slowpath+0x5e0/0x5e0
[  610.508752]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.513615]  ? trace_hardirqs_on_caller+0x310/0x310
[  610.518631]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  610.523661]  ? prepare_exit_to_usermode+0x291/0x3b0
[  610.528684]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  610.533532]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  610.538927] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  610.539010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  610.545685] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  610.545690] Call Trace:
[  610.545696]  <IRQ>
[  610.545713]  dump_stack+0x244/0x39d
[  610.545732]  ? dump_stack_print_info.cold.1+0x20/0x20
[  610.552291] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  610.561566]  warn_alloc.cold.116+0xb7/0x1bd
[  610.564119] syz-executor4 cpuset=syz4 mems_allowed=0
[  610.566264]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  610.599736]  ? lock_downgrade+0x900/0x900
[  610.603894]  ? trace_hardirqs_off+0xb8/0x310
[  610.608310]  ? trace_hardirqs_off+0xb8/0x310
[  610.612726]  __alloc_pages_slowpath+0x2651/0x2de0
[  610.617614]  ? warn_alloc+0x120/0x120
[  610.621447]  ? print_usage_bug+0xc0/0xc0
[  610.625528]  ? warn_alloc+0x120/0x120
[  610.629454]  ? warn_alloc+0x120/0x120
[  610.633260]  ? print_usage_bug+0xc0/0xc0
[  610.637395]  ? print_usage_bug+0xc0/0xc0
[  610.641473]  ? __lock_acquire+0x62f/0x4c20
[  610.645716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  610.651252]  ? should_fail+0x22d/0xd01
[  610.655154]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  610.660257]  ? __lock_acquire+0x62f/0x4c20
[  610.664520]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  610.669620]  ? __lock_acquire+0x62f/0x4c20
[  610.673852]  ? should_fail+0x22d/0xd01
[  610.677739]  ? find_held_lock+0x36/0x1c0
[  610.681812]  ? mark_held_locks+0x130/0x130
[  610.686073]  ? mark_held_locks+0x130/0x130
[  610.690310]  ? zap_class+0x640/0x640
[  610.694024]  ? zap_class+0x640/0x640
[  610.697748]  ? print_usage_bug+0xc0/0xc0
[  610.701813]  ? do_raw_spin_unlock+0xa7/0x330
[  610.706220]  ? zap_class+0x640/0x640
[  610.709933]  ? print_usage_bug+0xc0/0xc0
[  610.714001]  ? wq_watchdog_touch+0x9c/0xfe
[  610.718239]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.723781]  ? check_preemption_disabled+0x48/0x280
[  610.728804]  ? __lock_is_held+0xb5/0x140
[  610.732868]  __alloc_pages_nodemask+0xad8/0xea0
[  610.737534]  ? zap_class+0x640/0x640
[  610.741266]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  610.746296]  ? find_held_lock+0x36/0x1c0
[  610.750371]  ? ____cache_alloc_node+0x1c7/0x1e0
[  610.755038]  ? lock_downgrade+0x900/0x900
[  610.759186]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.764752]  cache_grow_begin+0xa5/0x8c0
[  610.768822]  ? do_raw_spin_unlock+0xa7/0x330
[  610.773231]  fallback_alloc+0x204/0x2e0
[  610.777205]  ____cache_alloc_node+0x1c7/0x1e0
[  610.781698]  kmem_cache_alloc_node+0xe3/0x730
[  610.786204]  ? ipv6_get_ifaddr+0x42e/0x620
[  610.790460]  __alloc_skb+0x119/0x770
[  610.794202]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  610.799523]  ? netdev_alloc_frag+0x1f0/0x1f0
[  610.803956]  ? lock_downgrade+0x900/0x900
[  610.808122]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.813659]  ? refcount_sub_and_test_checked+0x203/0x310
[  610.819108]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  610.824557]  ? addrconf_rs_timer+0x690/0x690
[  610.828971]  ndisc_alloc_skb+0x144/0x340
[  610.833063]  ndisc_send_rs+0x331/0x6e0
[  610.836998]  addrconf_rs_timer+0x314/0x690
[  610.841235]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.845479]  call_timer_fn+0x272/0x920
[  610.849360]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.853588]  ? process_timeout+0x40/0x40
[  610.857652]  ? mark_held_locks+0xc7/0x130
[  610.861796]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.866304]  ? _raw_spin_unlock_irq+0x27/0x80
[  610.870813]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.875058]  ? lockdep_hardirqs_on+0x296/0x5b0
[  610.879637]  ? trace_hardirqs_on+0xbd/0x310
[  610.883982]  ? kasan_check_read+0x11/0x20
[  610.888134]  ? __run_timers+0x7da/0xc70
[  610.892138]  ? trace_hardirqs_off_caller+0x310/0x310
[  610.897256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.901495]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  610.906240]  __run_timers+0x7e5/0xc70
[  610.910065]  ? timer_fixup_init+0x70/0x70
[  610.914215]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  610.919234]  ? zap_class+0x640/0x640
[  610.922983]  ? print_usage_bug+0xc0/0xc0
[  610.927043]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  610.932239]  ? find_held_lock+0x36/0x1c0
[  610.936402]  ? zap_class+0x640/0x640
[  610.940126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.945785]  ? check_preemption_disabled+0x48/0x280
[  610.950910]  ? __lock_is_held+0xb5/0x140
[  610.955466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  610.961160]  ? check_preemption_disabled+0x48/0x280
[  610.966273]  run_timer_softirq+0x52/0xb0
[  610.970454]  ? rcu_read_lock_sched_held+0x14f/0x180
[  610.975472]  __do_softirq+0x308/0xb7e
[  610.979278]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  610.983778]  ? lock_downgrade+0x900/0x900
[  610.987937]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  610.993079]  ? pvclock_read_flags+0x160/0x160
[  610.997634]  ? lapic_next_event+0x5a/0x90
[  611.001818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.007379]  ? kvm_clock_read+0x18/0x30
[  611.011410]  ? kvm_sched_clock_read+0x9/0x20
[  611.015848]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.021387]  ? check_preemption_disabled+0x48/0x280
[  611.026424]  irq_exit+0x17f/0x1c0
[  611.029887]  smp_apic_timer_interrupt+0x1cb/0x760
[  611.034730]  ? smp_call_function_single_interrupt+0x650/0x650
[  611.040619]  ? interrupt_entry+0xb5/0xc0
[  611.044686]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.049706]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.054727]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.059570]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.064584]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.069597]  ? task_prio+0x50/0x50
[  611.073137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.078724]  ? check_preemption_disabled+0x48/0x280
[  611.083761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.088613]  apic_timer_interrupt+0xf/0x20
[  611.092844]  </IRQ>
[  611.095083] RIP: 0010:dump_stack+0x358/0x39d
[  611.099494] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  611.118393] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  611.126104] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  611.133370] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  611.140638] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  611.147903] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  611.155182] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  611.162475]  ? dump_stack+0x34f/0x39d
[  611.166292]  ? dump_stack_print_info.cold.1+0x20/0x20
[  611.171482]  ? mark_held_locks+0x130/0x130
[  611.175717]  ? mark_held_locks+0x130/0x130
[  611.179958]  dump_header+0x27b/0xf72
[  611.183700]  ? pagefault_out_of_memory+0x197/0x197
[  611.188641]  ? __lock_acquire+0x62f/0x4c20
[  611.192880]  ? percpu_ref_get_many+0x240/0x240
[  611.197474]  ? print_usage_bug+0xc0/0xc0
[  611.201539]  ? zap_class+0x640/0x640
[  611.205255]  ? print_usage_bug+0xc0/0xc0
[  611.209319]  ? print_usage_bug+0xc0/0xc0
[  611.213383]  ? zap_class+0x640/0x640
[  611.217118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.222663]  ? find_held_lock+0x36/0x1c0
[  611.226734]  ? mark_held_locks+0xc7/0x130
[  611.230885]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  611.235999]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  611.241131]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  611.245847]  ? trace_hardirqs_on+0xbd/0x310
[  611.250167]  ? kasan_check_read+0x11/0x20
[  611.254316]  ? ___ratelimit+0x3b4/0x672
[  611.258289]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.263894]  ? trace_hardirqs_on+0x310/0x310
[  611.268307]  ? lock_downgrade+0x900/0x900
[  611.272460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  611.277569]  ? ___ratelimit+0x3b9/0x672
[  611.281543]  ? idr_get_free+0xf70/0xf70
[  611.285552]  ? find_held_lock+0x36/0x1c0
[  611.289653]  oom_kill_process.cold.27+0x10/0x903
[  611.294529]  ? zap_class+0x640/0x640
[  611.298239]  ? check_preemption_disabled+0x48/0x280
[  611.303253]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.308819]  ? kasan_check_read+0x11/0x20
[  611.312960]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.318234]  ? oom_evaluate_task+0x540/0x540
[  611.322645]  ? find_held_lock+0x36/0x1c0
[  611.326713]  ? out_of_memory+0x974/0x1430
[  611.330860]  ? lock_downgrade+0x900/0x900
[  611.335003]  ? check_preemption_disabled+0x48/0x280
[  611.340048]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.344980]  ? kasan_check_read+0x11/0x20
[  611.349125]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.354404]  ? rcu_softirq_qs+0x20/0x20
[  611.358386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.363919]  ? oom_evaluate_task+0x302/0x540
[  611.368325]  out_of_memory+0xa84/0x1430
[  611.372306]  ? oom_killer_disable+0x3a0/0x3a0
[  611.376797]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  611.381729]  ? __ww_mutex_check_waiters+0x160/0x160
[  611.386754]  __alloc_pages_slowpath+0x232c/0x2de0
[  611.391834]  ? warn_alloc+0x120/0x120
[  611.395631]  ? mark_held_locks+0x130/0x130
[  611.399867]  ? find_get_entry+0xaae/0x1120
[  611.404106]  ? filemap_map_pages+0x1a20/0x1a20
[  611.408956]  ? zap_class+0x640/0x640
[  611.412680]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  611.418229]  ? check_preemption_disabled+0x48/0x280
[  611.423248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.428926]  ? should_fail+0x22d/0xd01
[  611.432834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  611.438201]  ? zap_class+0x640/0x640
[  611.441954]  ? __lock_is_held+0xb5/0x140
[  611.446026]  ? mark_held_locks+0x130/0x130
[  611.450263]  ? lock_release+0xa00/0xa00
[  611.454240]  ? perf_trace_sched_process_exec+0x860/0x860
[  611.459693]  ? xa_load+0x2ba/0x460
[  611.463252]  ? lock_downgrade+0x900/0x900
[  611.467410]  ? __might_sleep+0x95/0x190
[  611.471397]  __alloc_pages_nodemask+0xad8/0xea0
[  611.476085]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  611.481104]  ? __page_cache_alloc+0x191/0x5c0
[  611.485603]  ? xa_load+0x2e1/0x460
[  611.489150]  ? xa_clear_mark+0x40/0x40
[  611.493040]  ? zap_class+0x640/0x640
[  611.496782]  ? zap_class+0x640/0x640
[  611.500506]  ? zap_class+0x640/0x640
[  611.504227]  ? __do_page_cache_readahead+0x663/0x810
[  611.509333]  ? find_held_lock+0x36/0x1c0
[  611.513399]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  611.518946]  alloc_pages_current+0x173/0x350
[  611.523357]  __page_cache_alloc+0x38c/0x5c0
[  611.527922]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.532856]  ? kasan_check_read+0x11/0x20
[  611.537003]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.542291]  ? generic_perform_write+0x6a0/0x6a0
[  611.547049]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.552884]  ? check_preemption_disabled+0x48/0x280
[  611.557933]  filemap_fault+0x1595/0x25f0
[  611.562003]  ? __lock_page_or_retry+0xa00/0xa00
[  611.566683]  ? mark_held_locks+0x130/0x130
[  611.570940]  ? filemap_map_pages+0xd6b/0x1a20
[  611.575442]  ? lock_downgrade+0x900/0x900
[  611.579589]  ? check_preemption_disabled+0x48/0x280
[  611.584607]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.590052]  ? kasan_check_read+0x11/0x20
[  611.594226]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.599497]  ? rcu_softirq_qs+0x20/0x20
[  611.603490]  ? filemap_map_pages+0xd92/0x1a20
[  611.608012]  ? find_get_entries_tag+0x1400/0x1400
[  611.612887]  ? __kernel_text_address+0xd/0x40
[  611.617385]  ? unwind_get_return_address+0x61/0xa0
[  611.622341]  ? lock_acquire+0x1ed/0x520
[  611.626321]  ? ext4_filemap_fault+0x7a/0xad
[  611.630640]  ? lock_release+0xa00/0xa00
[  611.634611]  ? perf_trace_sched_process_exec+0x860/0x860
[  611.640059]  ? print_usage_bug+0xc0/0xc0
[  611.644121]  ? print_usage_bug+0xc0/0xc0
[  611.648177]  ? __x64_sys_read+0x73/0xb0
[  611.652148]  ? print_usage_bug+0xc0/0xc0
[  611.656216]  ? down_read+0x8d/0x120
[  611.659834]  ? ext4_filemap_fault+0x7a/0xad
[  611.664150]  ? __down_interruptible+0x700/0x700
[  611.668833]  ext4_filemap_fault+0x82/0xad
[  611.672971]  __do_fault+0x100/0x6b0
[  611.676604]  ? trace_hardirqs_on+0xbd/0x310
[  611.680917]  ? pmd_devmap_trans_unstable+0x220/0x220
[  611.686180]  ? mark_held_locks+0x130/0x130
[  611.690712]  ? mark_held_locks+0x130/0x130
[  611.694954]  ? do_syslog+0x147b/0x1690
[  611.698860]  ? do_syslog+0x309/0x1690
[  611.702689]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.708226]  __handle_mm_fault+0x3ea0/0x5be0
[  611.712644]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  611.717495]  ? find_held_lock+0x36/0x1c0
[  611.721583]  ? zap_class+0x640/0x640
[  611.725313]  ? zap_class+0x640/0x640
[  611.729037]  ? find_held_lock+0x36/0x1c0
[  611.733107]  ? handle_mm_fault+0x42a/0xc70
[  611.737614]  ? lock_downgrade+0x900/0x900
[  611.742444]  ? check_preemption_disabled+0x48/0x280
[  611.747471]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  611.752401]  ? kasan_check_read+0x11/0x20
[  611.756556]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  611.761833]  ? rcu_softirq_qs+0x20/0x20
[  611.765807]  ? trace_hardirqs_off_caller+0x310/0x310
[  611.770914]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  611.776661]  ? check_preemption_disabled+0x48/0x280
[  611.781689]  handle_mm_fault+0x54f/0xc70
[  611.785756]  ? __handle_mm_fault+0x5be0/0x5be0
[  611.790345]  ? find_vma+0x34/0x190
[  611.793991]  __do_page_fault+0x5e8/0xe60
[  611.798066]  ? trace_hardirqs_off+0xb8/0x310
[  611.802475]  ? kernel_write+0x120/0x120
[  611.806465]  do_page_fault+0xf2/0x7e0
[  611.810280]  ? vmalloc_sync_all+0x30/0x30
[  611.814440]  ? error_entry+0x70/0xd0
[  611.818170]  ? trace_hardirqs_off_caller+0xbb/0x310
[  611.823186]  ? trace_hardirqs_on_caller+0xc0/0x310
[  611.828115]  ? syscall_return_slowpath+0x5e0/0x5e0
[  611.833178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.838187]  ? trace_hardirqs_on_caller+0x310/0x310
[  611.843214]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  611.848667]  ? prepare_exit_to_usermode+0x291/0x3b0
[  611.853747]  ? page_fault+0x8/0x30
[  611.857341]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  611.862261]  ? page_fault+0x8/0x30
[  611.865964]  page_fault+0x1e/0x30
[  611.869489] RIP: 0033:0x7fe9f4ff21fd
[  611.873272] Code: Bad RIP value.
[  611.876824] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  611.882655] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  611.889933] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  611.897202] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  611.904610] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  611.911875] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  611.919581] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  611.919587] warn_alloc_show_mem: 1 callbacks suppressed
[  611.919595] Mem-Info:
[  611.926708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  611.932320] active_anon:43385 inactive_anon:190 isolated_anon:0
[  611.932320]  active_file:9 inactive_file:19 isolated_file:0
[  611.932320]  unevictable:0 dirty:0 writeback:0 unstable:0
[  611.932320]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  611.932320]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  611.932320]  free:13722 free_pcp:438 free_cma:0
[  611.934710] Call Trace:
[  611.944097] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  611.976854]  <IRQ>
[  611.979424] 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
[  612.006933]  dump_stack+0x244/0x39d
[  612.009072] lowmem_reserve[]: 0 2818 6321 6321
[  612.035205]  ? dump_stack_print_info.cold.1+0x20/0x20
[  612.038933] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  612.043543]  warn_alloc.cold.116+0xb7/0x1bd
[  612.048696] lowmem_reserve[]: 0 0 3503 3503
[  612.076012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  612.080663] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  612.084975]  ? lock_downgrade+0x900/0x900
[  612.089792] lowmem_reserve[]: 0 0 0 0
[  612.118763]  ? trace_hardirqs_off+0xb8/0x310
[  612.122898] 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
[  612.126704]  ? trace_hardirqs_off+0xb8/0x310
[  612.131131] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  612.144696]  __alloc_pages_slowpath+0x2651/0x2de0
[  612.149070] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  612.164072]  ? warn_alloc+0x120/0x120
[  612.168880] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  612.184397]  ? print_usage_bug+0xc0/0xc0
[  612.188172] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  612.197005]  ? warn_alloc+0x120/0x120
[  612.201053] 272 total pagecache pages
[  612.209631]  ? warn_alloc+0x120/0x120
[  612.213411] 0 pages in swap cache
[  612.217216]  ? print_usage_bug+0xc0/0xc0
[  612.220998] Swap cache stats: add 0, delete 0, find 0/0
[  612.224447]  ? kvm_clock_read+0x18/0x30
[  612.228485] Free swap  = 0kB
[  612.233861]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  612.237813] Total swap = 0kB
[  612.240824]  ? print_usage_bug+0xc0/0xc0
[  612.245813] 1965979 pages RAM
[  612.248823]  ? __lock_acquire+0x62f/0x4c20
[  612.252859] 0 pages HighMem/MovableOnly
[  612.255959]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.260168] 342854 pages reserved
[  612.264155]  ? should_fail+0x22d/0xd01
[  612.269681] 0 pages cma reserved
[  612.273126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.277071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  612.280364]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  612.285702] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  612.292099]  ? __lock_acquire+0x62f/0x4c20
[  612.297180] rsyslogd cpuset=/ mems_allowed=0
[  612.307224]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  612.320932]  ? __lock_acquire+0x62f/0x4c20
[  612.325165]  ? should_fail+0x22d/0xd01
[  612.329049]  ? rcu_irq_exit+0x1a2/0x390
[  612.333034]  ? mark_held_locks+0x130/0x130
[  612.337273]  ? mark_held_locks+0x130/0x130
[  612.341512]  ? mark_held_locks+0xc7/0x130
[  612.345679]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  612.350695]  ? zap_class+0x640/0x640
[  612.354424]  ? print_usage_bug+0xc0/0xc0
[  612.358521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.364079]  ? check_preemption_disabled+0x48/0x280
[  612.369118]  ? __lock_is_held+0xb5/0x140
[  612.373186]  __alloc_pages_nodemask+0xad8/0xea0
[  612.377853]  ? zap_class+0x640/0x640
[  612.381576]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  612.386604]  ? find_held_lock+0x36/0x1c0
[  612.390677]  ? ____cache_alloc_node+0x1c7/0x1e0
[  612.395350]  ? lock_downgrade+0x900/0x900
[  612.399506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.405046]  cache_grow_begin+0xa5/0x8c0
[  612.409108]  ? do_raw_spin_unlock+0xa7/0x330
[  612.413523]  fallback_alloc+0x204/0x2e0
[  612.417505]  ____cache_alloc_node+0x1c7/0x1e0
[  612.422006]  kmem_cache_alloc_node+0xe3/0x730
[  612.426504]  ? ipv6_get_ifaddr+0x42e/0x620
[  612.430750]  __alloc_skb+0x119/0x770
[  612.434471]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.439756]  ? netdev_alloc_frag+0x1f0/0x1f0
[  612.444184]  ? lock_downgrade+0x900/0x900
[  612.448354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.453891]  ? refcount_sub_and_test_checked+0x203/0x310
[  612.459337]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  612.464828]  ? addrconf_rs_timer+0x690/0x690
[  612.469259]  ndisc_alloc_skb+0x144/0x340
[  612.473316]  ndisc_send_rs+0x331/0x6e0
[  612.477232]  addrconf_rs_timer+0x314/0x690
[  612.481525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.485788]  call_timer_fn+0x272/0x920
[  612.489670]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.493896]  ? process_timeout+0x40/0x40
[  612.497969]  ? __run_timers+0x7da/0xc70
[  612.501936]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.506419]  ? _raw_spin_unlock_irq+0x27/0x80
[  612.510959]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.515198]  ? lockdep_hardirqs_on+0x296/0x5b0
[  612.519774]  ? trace_hardirqs_on+0xbd/0x310
[  612.524090]  ? kasan_check_read+0x11/0x20
[  612.528243]  ? __run_timers+0x7da/0xc70
[  612.532214]  ? trace_hardirqs_off_caller+0x310/0x310
[  612.537316]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.541563]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  612.545794]  __run_timers+0x7e5/0xc70
[  612.549601]  ? timer_fixup_init+0x70/0x70
[  612.553751]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  612.558775]  ? zap_class+0x640/0x640
[  612.562509]  ? enqueue_hrtimer+0x1a5/0x560
[  612.566748]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  612.571940]  ? find_held_lock+0x36/0x1c0
[  612.576020]  ? zap_class+0x640/0x640
[  612.579732]  ? pvclock_read_flags+0x160/0x160
[  612.584225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.589768]  ? check_preemption_disabled+0x48/0x280
[  612.594795]  ? __lock_is_held+0xb5/0x140
[  612.598863]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.604397]  ? check_preemption_disabled+0x48/0x280
[  612.609414]  run_timer_softirq+0x52/0xb0
[  612.613502]  ? rcu_read_lock_sched_held+0x14f/0x180
[  612.618518]  __do_softirq+0x308/0xb7e
[  612.622319]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  612.626813]  ? lock_downgrade+0x900/0x900
[  612.630966]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  612.636079]  ? pvclock_read_flags+0x160/0x160
[  612.640597]  ? lapic_next_event+0x5a/0x90
[  612.644751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.650294]  ? kvm_clock_read+0x18/0x30
[  612.654276]  ? kvm_sched_clock_read+0x9/0x20
[  612.658683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.664233]  ? check_preemption_disabled+0x48/0x280
[  612.669258]  irq_exit+0x17f/0x1c0
[  612.672711]  smp_apic_timer_interrupt+0x1cb/0x760
[  612.677550]  ? smp_reschedule_interrupt+0x109/0x650
[  612.682576]  ? smp_call_function_single_interrupt+0x650/0x650
[  612.688465]  ? interrupt_entry+0xb5/0xc0
[  612.692530]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.697547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  612.702568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.707411]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.712441]  ? trace_hardirqs_on_caller+0x310/0x310
[  612.717474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  612.722321]  apic_timer_interrupt+0xf/0x20
[  612.726547]  </IRQ>
[  612.728788] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  612.733717] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  612.752614] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  612.760319] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  612.767584] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  612.774850] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  612.782116] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  612.789397] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  612.796703]  skb_clone+0x1bb/0x500
[  612.800248]  ? finish_task_switch+0x2f4/0x910
[  612.804742]  ? skb_split+0x11e0/0x11e0
[  612.808634]  ? preempt_notifier_register+0x200/0x200
[  612.813750]  ? __switch_to_asm+0x34/0x70
[  612.817831]  ? __switch_to_asm+0x34/0x70
[  612.821912]  ? __switch_to_asm+0x40/0x70
[  612.825972]  ? __switch_to_asm+0x34/0x70
[  612.830027]  ? __switch_to_asm+0x40/0x70
[  612.834097]  ? __switch_to_asm+0x34/0x70
[  612.838170]  ? __switch_to_asm+0x40/0x70
[  612.842229]  ? __switch_to_asm+0x34/0x70
[  612.846288]  ? __switch_to_asm+0x34/0x70
[  612.850344]  ? __switch_to_asm+0x40/0x70
[  612.854398]  ? __switch_to_asm+0x34/0x70
[  612.858485]  bpf_clone_redirect+0xb9/0x490
[  612.862727]  ? __schedule+0x8d7/0x21d0
[  612.866621]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  612.871639]  ? __sched_text_start+0x8/0x8
[  612.875798]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  612.880392]  ? retint_kernel+0x2d/0x2d
[  612.884276]  ? trace_hardirqs_on_caller+0xc0/0x310
[  612.889210]  ? find_held_lock+0x36/0x1c0
[  612.893283]  ? lock_acquire+0x1ed/0x520
[  612.897258]  ? bpf_test_run+0x3ee/0x7a0
[  612.901231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  612.906900]  ? check_preemption_disabled+0x48/0x280
[  612.911923]  ? kasan_check_read+0x11/0x20
[  612.916072]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  612.921367]  ? rcu_softirq_qs+0x20/0x20
[  612.925344]  ? preempt_schedule+0x4d/0x60
[  612.929493]  ? ___preempt_schedule+0x16/0x18
[  612.933905]  ? bpf_test_run+0x271/0x7a0
[  612.937906]  ? netlink_diag_dump+0x2a0/0x2a0
[  612.942343]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  612.947877]  ? bpf_test_init.isra.10+0x70/0x100
[  612.952581]  ? bpf_prog_test_run_skb+0x762/0xd60
[  612.957347]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  612.962211]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  612.967765]  ? fput+0x130/0x1a0
[  612.971054]  ? __bpf_prog_get+0x9b/0x290
[  612.975137]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  612.980013]  ? bpf_prog_test_run+0x130/0x1a0
[  612.984426]  ? __x64_sys_bpf+0x3d8/0x520
[  612.988495]  ? bpf_prog_get+0x20/0x20
[  612.992311]  ? do_syscall_64+0x1b9/0x820
[  612.996364]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  613.001724]  ? syscall_return_slowpath+0x5e0/0x5e0
[  613.006651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.011499]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.016515]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  613.021550]  ? prepare_exit_to_usermode+0x291/0x3b0
[  613.026573]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.031427]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  613.036823] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  613.036921] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  613.043576] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  613.043581] Call Trace:
[  613.043586]  <IRQ>
[  613.043601]  dump_stack+0x244/0x39d
[  613.043619]  ? dump_stack_print_info.cold.1+0x20/0x20
[  613.050138] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  613.059449]  warn_alloc.cold.116+0xb7/0x1bd
[  613.062011] syz-executor4 cpuset=syz4 mems_allowed=0
[  613.064164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  613.097662]  ? lock_downgrade+0x900/0x900
[  613.101845]  ? trace_hardirqs_off+0xb8/0x310
[  613.106268]  ? trace_hardirqs_off+0xb8/0x310
[  613.110703]  __alloc_pages_slowpath+0x2651/0x2de0
[  613.115596]  ? warn_alloc+0x120/0x120
[  613.119416]  ? print_usage_bug+0xc0/0xc0
[  613.123494]  ? warn_alloc+0x120/0x120
[  613.127315]  ? warn_alloc+0x120/0x120
[  613.131111]  ? print_usage_bug+0xc0/0xc0
[  613.135166]  ? kvm_clock_read+0x18/0x30
[  613.139140]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  613.144151]  ? print_usage_bug+0xc0/0xc0
[  613.148225]  ? __lock_acquire+0x62f/0x4c20
[  613.152468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.158015]  ? should_fail+0x22d/0xd01
[  613.161902]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.167188]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.172301]  ? __lock_acquire+0x62f/0x4c20
[  613.176544]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.181651]  ? __lock_acquire+0x62f/0x4c20
[  613.185905]  ? should_fail+0x22d/0xd01
[  613.189788]  ? rcu_irq_exit+0x1a2/0x390
[  613.193779]  ? mark_held_locks+0x130/0x130
[  613.198022]  ? mark_held_locks+0x130/0x130
[  613.202276]  ? mark_held_locks+0xc7/0x130
[  613.206441]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  613.211469]  ? zap_class+0x640/0x640
[  613.215184]  ? print_usage_bug+0xc0/0xc0
[  613.219265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.224812]  ? check_preemption_disabled+0x48/0x280
[  613.229840]  ? __lock_is_held+0xb5/0x140
[  613.233910]  __alloc_pages_nodemask+0xad8/0xea0
[  613.238583]  ? zap_class+0x640/0x640
[  613.242309]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  613.247357]  ? find_held_lock+0x36/0x1c0
[  613.251463]  ? ____cache_alloc_node+0x1c7/0x1e0
[  613.256274]  ? lock_downgrade+0x900/0x900
[  613.260465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.266015]  cache_grow_begin+0xa5/0x8c0
[  613.270076]  ? do_raw_spin_unlock+0xa7/0x330
[  613.274536]  fallback_alloc+0x204/0x2e0
[  613.278518]  ____cache_alloc_node+0x1c7/0x1e0
[  613.283023]  kmem_cache_alloc_node+0xe3/0x730
[  613.287521]  ? ipv6_get_ifaddr+0x42e/0x620
[  613.291773]  __alloc_skb+0x119/0x770
[  613.295504]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.300799]  ? netdev_alloc_frag+0x1f0/0x1f0
[  613.305214]  ? lock_downgrade+0x900/0x900
[  613.309371]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.314909]  ? refcount_sub_and_test_checked+0x203/0x310
[  613.320362]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  613.325818]  ? addrconf_rs_timer+0x690/0x690
[  613.330346]  ndisc_alloc_skb+0x144/0x340
[  613.334509]  ndisc_send_rs+0x331/0x6e0
[  613.338805]  addrconf_rs_timer+0x314/0x690
[  613.343047]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  613.347467]  call_timer_fn+0x272/0x920
[  613.351855]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  613.356092]  ? process_timeout+0x40/0x40
[  613.360168]  ? mark_held_locks+0xc7/0x130
[  613.364561]  ? _raw_spin_unlock_irq+0x27/0x80
[  613.369056]  ? _raw_spin_unlock_irq+0x27/0x80
[  613.373656]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  613.377894]  ? lockdep_hardirqs_on+0x296/0x5b0
[  613.382592]  ? trace_hardirqs_on+0xbd/0x310
[  613.387108]  ? kasan_check_read+0x11/0x20
[  613.391699]  ? __run_timers+0x7da/0xc70
[  613.396033]  ? trace_hardirqs_off_caller+0x310/0x310
[  613.401460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  613.405702]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  613.409940]  __run_timers+0x7e5/0xc70
[  613.413771]  ? timer_fixup_init+0x70/0x70
[  613.417924]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  613.422943]  ? zap_class+0x640/0x640
[  613.426664]  ? print_usage_bug+0xc0/0xc0
[  613.430731]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  613.435926]  ? find_held_lock+0x36/0x1c0
[  613.440009]  ? zap_class+0x640/0x640
[  613.443729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.449292]  ? check_preemption_disabled+0x48/0x280
[  613.454326]  ? __lock_is_held+0xb5/0x140
[  613.458391]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.463944]  ? check_preemption_disabled+0x48/0x280
[  613.468967]  run_timer_softirq+0x52/0xb0
[  613.473030]  ? rcu_read_lock_sched_held+0x14f/0x180
[  613.478048]  __do_softirq+0x308/0xb7e
[  613.481884]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  613.486380]  ? lock_downgrade+0x900/0x900
[  613.490532]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  613.495645]  ? pvclock_read_flags+0x160/0x160
[  613.500162]  ? lapic_next_event+0x5a/0x90
[  613.504317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.509860]  ? kvm_clock_read+0x18/0x30
[  613.513835]  ? kvm_sched_clock_read+0x9/0x20
[  613.518248]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.523815]  ? check_preemption_disabled+0x48/0x280
[  613.528842]  irq_exit+0x17f/0x1c0
[  613.532307]  smp_apic_timer_interrupt+0x1cb/0x760
[  613.537157]  ? smp_call_function_single_interrupt+0x650/0x650
[  613.543061]  ? interrupt_entry+0xb5/0xc0
[  613.547131]  ? trace_hardirqs_off_caller+0xbb/0x310
[  613.552148]  ? trace_hardirqs_off_caller+0xbb/0x310
[  613.557199]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.562077]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.567110]  ? trace_hardirqs_on_caller+0x310/0x310
[  613.572151]  ? task_prio+0x50/0x50
[  613.575690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.581229]  ? check_preemption_disabled+0x48/0x280
[  613.586250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  613.591120]  apic_timer_interrupt+0xf/0x20
[  613.595346]  </IRQ>
[  613.597605] RIP: 0010:dump_stack+0x358/0x39d
[  613.602021] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  613.620922] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  613.628632] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  613.635900] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  613.643170] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  613.650445] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  613.657714] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  613.665010]  ? dump_stack+0x34f/0x39d
[  613.668832]  ? dump_stack_print_info.cold.1+0x20/0x20
[  613.674031]  ? mark_held_locks+0x130/0x130
[  613.678288]  ? mark_held_locks+0x130/0x130
[  613.682558]  dump_header+0x27b/0xf72
[  613.686290]  ? pagefault_out_of_memory+0x197/0x197
[  613.691226]  ? __lock_acquire+0x62f/0x4c20
[  613.695471]  ? percpu_ref_get_many+0x240/0x240
[  613.700060]  ? print_usage_bug+0xc0/0xc0
[  613.704128]  ? zap_class+0x640/0x640
[  613.707876]  ? print_usage_bug+0xc0/0xc0
[  613.711942]  ? print_usage_bug+0xc0/0xc0
[  613.716010]  ? zap_class+0x640/0x640
[  613.719737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.725313]  ? find_held_lock+0x36/0x1c0
[  613.729386]  ? mark_held_locks+0xc7/0x130
[  613.733538]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  613.738640]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  613.743741]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  613.748331]  ? trace_hardirqs_on+0xbd/0x310
[  613.752658]  ? kasan_check_read+0x11/0x20
[  613.756817]  ? ___ratelimit+0x3b4/0x672
[  613.760901]  ? trace_hardirqs_off_caller+0x310/0x310
[  613.766009]  ? trace_hardirqs_on+0x310/0x310
[  613.770423]  ? lock_downgrade+0x900/0x900
[  613.774721]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  613.779831]  ? ___ratelimit+0x3b9/0x672
[  613.783807]  ? idr_get_free+0xf70/0xf70
[  613.787783]  ? find_held_lock+0x36/0x1c0
[  613.791875]  oom_kill_process.cold.27+0x10/0x903
[  613.796632]  ? zap_class+0x640/0x640
[  613.800349]  ? check_preemption_disabled+0x48/0x280
[  613.805382]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.810314]  ? kasan_check_read+0x11/0x20
[  613.814466]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.819745]  ? oom_evaluate_task+0x540/0x540
[  613.824173]  ? find_held_lock+0x36/0x1c0
[  613.828244]  ? out_of_memory+0x974/0x1430
[  613.832392]  ? lock_downgrade+0x900/0x900
[  613.836540]  ? check_preemption_disabled+0x48/0x280
[  613.841565]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  613.846504]  ? kasan_check_read+0x11/0x20
[  613.850656]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  613.855932]  ? rcu_softirq_qs+0x20/0x20
[  613.859932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.865471]  ? oom_evaluate_task+0x302/0x540
[  613.869887]  out_of_memory+0xa84/0x1430
[  613.873875]  ? oom_killer_disable+0x3a0/0x3a0
[  613.878388]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  613.883345]  ? __ww_mutex_check_waiters+0x160/0x160
[  613.888376]  __alloc_pages_slowpath+0x232c/0x2de0
[  613.893245]  ? warn_alloc+0x120/0x120
[  613.897051]  ? mark_held_locks+0x130/0x130
[  613.901300]  ? find_get_entry+0xaae/0x1120
[  613.905545]  ? filemap_map_pages+0x1a20/0x1a20
[  613.910134]  ? zap_class+0x640/0x640
[  613.913873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  613.919412]  ? check_preemption_disabled+0x48/0x280
[  613.924454]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  613.929996]  ? should_fail+0x22d/0xd01
[  613.933897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  613.939022]  ? zap_class+0x640/0x640
[  613.942761]  ? __lock_is_held+0xb5/0x140
[  613.946832]  ? mark_held_locks+0x130/0x130
[  613.951075]  ? lock_release+0xa00/0xa00
[  613.955053]  ? perf_trace_sched_process_exec+0x860/0x860
[  613.960505]  ? xa_load+0x2ba/0x460
[  613.964050]  ? lock_downgrade+0x900/0x900
[  613.968207]  ? __might_sleep+0x95/0x190
[  613.972194]  __alloc_pages_nodemask+0xad8/0xea0
[  613.976886]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  613.981904]  ? __page_cache_alloc+0x191/0x5c0
[  613.986409]  ? xa_load+0x2e1/0x460
[  613.989966]  ? xa_clear_mark+0x40/0x40
[  613.993862]  ? zap_class+0x640/0x640
[  613.997586]  ? zap_class+0x640/0x640
[  614.001304]  ? zap_class+0x640/0x640
[  614.005019]  ? __do_page_cache_readahead+0x663/0x810
[  614.010129]  ? find_held_lock+0x36/0x1c0
[  614.014199]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  614.019749]  alloc_pages_current+0x173/0x350
[  614.024165]  __page_cache_alloc+0x38c/0x5c0
[  614.028483]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  614.033428]  ? kasan_check_read+0x11/0x20
[  614.037600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.042875]  ? generic_perform_write+0x6a0/0x6a0
[  614.047656]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.053194]  ? check_preemption_disabled+0x48/0x280
[  614.058263]  filemap_fault+0x1595/0x25f0
[  614.062338]  ? __lock_page_or_retry+0xa00/0xa00
[  614.067008]  ? mark_held_locks+0x130/0x130
[  614.071249]  ? filemap_map_pages+0xd6b/0x1a20
[  614.075748]  ? lock_downgrade+0x900/0x900
[  614.079896]  ? check_preemption_disabled+0x48/0x280
[  614.084916]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  614.089846]  ? kasan_check_read+0x11/0x20
[  614.093995]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.099275]  ? rcu_softirq_qs+0x20/0x20
[  614.103277]  ? filemap_map_pages+0xd92/0x1a20
[  614.107791]  ? find_get_entries_tag+0x1400/0x1400
[  614.112639]  ? __kernel_text_address+0xd/0x40
[  614.117145]  ? unwind_get_return_address+0x61/0xa0
[  614.122092]  ? lock_acquire+0x1ed/0x520
[  614.126067]  ? ext4_filemap_fault+0x7a/0xad
[  614.130412]  ? lock_release+0xa00/0xa00
[  614.134424]  ? perf_trace_sched_process_exec+0x860/0x860
[  614.139883]  ? print_usage_bug+0xc0/0xc0
[  614.143950]  ? print_usage_bug+0xc0/0xc0
[  614.148013]  ? __x64_sys_read+0x73/0xb0
[  614.151991]  ? print_usage_bug+0xc0/0xc0
[  614.156069]  ? down_read+0x8d/0x120
[  614.159699]  ? ext4_filemap_fault+0x7a/0xad
[  614.164024]  ? __down_interruptible+0x700/0x700
[  614.168707]  ext4_filemap_fault+0x82/0xad
[  614.172876]  __do_fault+0x100/0x6b0
[  614.176508]  ? trace_hardirqs_on+0xbd/0x310
[  614.180838]  ? pmd_devmap_trans_unstable+0x220/0x220
[  614.185947]  ? mark_held_locks+0x130/0x130
[  614.190189]  ? mark_held_locks+0x130/0x130
[  614.194442]  ? do_syslog+0x147b/0x1690
[  614.198348]  ? do_syslog+0x309/0x1690
[  614.202163]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.207712]  __handle_mm_fault+0x3ea0/0x5be0
[  614.212134]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  614.216982]  ? find_held_lock+0x36/0x1c0
[  614.221065]  ? zap_class+0x640/0x640
[  614.224778]  ? zap_class+0x640/0x640
[  614.228516]  ? find_held_lock+0x36/0x1c0
[  614.232591]  ? handle_mm_fault+0x42a/0xc70
[  614.236824]  ? lock_downgrade+0x900/0x900
[  614.240971]  ? check_preemption_disabled+0x48/0x280
[  614.245988]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  614.250917]  ? kasan_check_read+0x11/0x20
[  614.255064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.260340]  ? rcu_softirq_qs+0x20/0x20
[  614.264319]  ? trace_hardirqs_off_caller+0x310/0x310
[  614.269451]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.275003]  ? check_preemption_disabled+0x48/0x280
[  614.280028]  handle_mm_fault+0x54f/0xc70
[  614.284097]  ? __handle_mm_fault+0x5be0/0x5be0
[  614.288685]  ? find_vma+0x34/0x190
[  614.292232]  __do_page_fault+0x5e8/0xe60
[  614.296299]  ? trace_hardirqs_off+0xb8/0x310
[  614.300707]  ? kernel_write+0x120/0x120
[  614.304689]  do_page_fault+0xf2/0x7e0
[  614.308487]  ? vmalloc_sync_all+0x30/0x30
[  614.312631]  ? error_entry+0x70/0xd0
[  614.316347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  614.321378]  ? trace_hardirqs_on_caller+0xc0/0x310
[  614.326314]  ? syscall_return_slowpath+0x5e0/0x5e0
[  614.331242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.336090]  ? trace_hardirqs_on_caller+0x310/0x310
[  614.341122]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  614.346612]  ? prepare_exit_to_usermode+0x291/0x3b0
[  614.351631]  ? page_fault+0x8/0x30
[  614.355173]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  614.360022]  ? page_fault+0x8/0x30
[  614.363561]  page_fault+0x1e/0x30
[  614.367013] RIP: 0033:0x7fe9f4ff21fd
[  614.370751] Code: Bad RIP value.
[  614.374130] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  614.379494] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  614.386761] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  614.394031] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  614.401300] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  614.408563] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  614.415856] warn_alloc_show_mem: 1 callbacks suppressed
[  614.415868] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  614.415870] Mem-Info:
[  614.415898] active_anon:43385 inactive_anon:190 isolated_anon:0
[  614.415898]  active_file:9 inactive_file:19 isolated_file:0
[  614.415898]  unevictable:0 dirty:0 writeback:0 unstable:0
[  614.415898]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  614.415898]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  614.415898]  free:13722 free_pcp:438 free_cma:0
[  614.421248] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  614.428364] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  614.430789] Call Trace:
[  614.463577] 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
[  614.472920]  <IRQ>
[  614.500459] lowmem_reserve[]: 0 2818 6321 6321
[  614.503105]  dump_stack+0x244/0x39d
[  614.529199] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  614.531346]  ? dump_stack_print_info.cold.1+0x20/0x20
[  614.535894] lowmem_reserve[]: 0 0 3503 3503
[  614.539535]  warn_alloc.cold.116+0xb7/0x1bd
[  614.566834] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  614.572021]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  614.576313] lowmem_reserve[]: 0 0 0 0
[  614.580631]  ? lock_downgrade+0x900/0x900
[  614.609584] 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
[  614.614443]  ? trace_hardirqs_off+0xb8/0x310
[  614.618208] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  614.622362]  ? trace_hardirqs_off+0xb8/0x310
[  614.635860] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  614.640269]  __alloc_pages_slowpath+0x2651/0x2de0
[  614.655247] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  614.659669]  ? warn_alloc+0x120/0x120
[  614.675143] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  614.679980]  ? print_usage_bug+0xc0/0xc0
[  614.688795] 272 total pagecache pages
[  614.692589]  ? warn_alloc+0x120/0x120
[  614.701160] 0 pages in swap cache
[  614.705225]  ? warn_alloc+0x120/0x120
[  614.708998] Swap cache stats: add 0, delete 0, find 0/0
[  614.709007] Free swap  = 0kB
[  614.712810]  ? print_usage_bug+0xc0/0xc0
[  614.716251] Total swap = 0kB
[  614.720047]  ? print_usage_bug+0xc0/0xc0
[  614.725386] 1965979 pages RAM
[  614.728398]  ? __lock_acquire+0x62f/0x4c20
[  614.732438] 0 pages HighMem/MovableOnly
[  614.732447] 342854 pages reserved
[  614.735469]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  614.739502] 0 pages cma reserved
[  614.742603]  ? should_fail+0x22d/0xd01
[  614.746873] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  614.750780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.754332] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  614.759764]  ? __lock_acquire+0x62f/0x4c20
[  614.763108] rsyslogd cpuset=/ mems_allowed=0
[  614.766991]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  614.802319]  ? __lock_acquire+0x62f/0x4c20
[  614.806566]  ? should_fail+0x22d/0xd01
[  614.810470]  ? find_held_lock+0x36/0x1c0
[  614.814550]  ? mark_held_locks+0x130/0x130
[  614.818801]  ? mark_held_locks+0x130/0x130
[  614.823046]  ? zap_class+0x640/0x640
[  614.826767]  ? zap_class+0x640/0x640
[  614.830489]  ? print_usage_bug+0xc0/0xc0
[  614.835075]  ? do_raw_spin_unlock+0xa7/0x330
[  614.839491]  ? zap_class+0x640/0x640
[  614.843206]  ? print_usage_bug+0xc0/0xc0
[  614.847269]  ? wq_watchdog_touch+0x9c/0xfe
[  614.851515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.857057]  ? check_preemption_disabled+0x48/0x280
[  614.862087]  ? __lock_is_held+0xb5/0x140
[  614.866156]  __alloc_pages_nodemask+0xad8/0xea0
[  614.870830]  ? zap_class+0x640/0x640
[  614.874552]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  614.879587]  ? find_held_lock+0x36/0x1c0
[  614.883660]  ? ____cache_alloc_node+0x1c7/0x1e0
[  614.888347]  ? lock_downgrade+0x900/0x900
[  614.892507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.898056]  cache_grow_begin+0xa5/0x8c0
[  614.902124]  ? do_raw_spin_unlock+0xa7/0x330
[  614.906829]  fallback_alloc+0x204/0x2e0
[  614.910821]  ____cache_alloc_node+0x1c7/0x1e0
[  614.915328]  kmem_cache_alloc_node+0xe3/0x730
[  614.919831]  ? ipv6_get_ifaddr+0x42e/0x620
[  614.924080]  __alloc_skb+0x119/0x770
[  614.927809]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  614.933104]  ? netdev_alloc_frag+0x1f0/0x1f0
[  614.937518]  ? lock_downgrade+0x900/0x900
[  614.941681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  614.947222]  ? refcount_sub_and_test_checked+0x203/0x310
[  614.952684]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  614.958140]  ? addrconf_rs_timer+0x690/0x690
[  614.962564]  ndisc_alloc_skb+0x144/0x340
[  614.966640]  ndisc_send_rs+0x331/0x6e0
[  614.970540]  addrconf_rs_timer+0x314/0x690
[  614.974789]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.979035]  call_timer_fn+0x272/0x920
[  614.982927]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  614.987188]  ? process_timeout+0x40/0x40
[  614.991274]  ? __run_timers+0x7da/0xc70
[  614.995251]  ? _raw_spin_unlock_irq+0x27/0x80
[  614.999747]  ? _raw_spin_unlock_irq+0x27/0x80
[  615.004257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.008499]  ? lockdep_hardirqs_on+0x296/0x5b0
[  615.013089]  ? trace_hardirqs_on+0xbd/0x310
[  615.017415]  ? kasan_check_read+0x11/0x20
[  615.021571]  ? __run_timers+0x7da/0xc70
[  615.025549]  ? trace_hardirqs_off_caller+0x310/0x310
[  615.030662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.034920]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.039155]  __run_timers+0x7e5/0xc70
[  615.042970]  ? timer_fixup_init+0x70/0x70
[  615.047123]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  615.052147]  ? zap_class+0x640/0x640
[  615.055873]  ? enqueue_hrtimer+0x1a5/0x560
[  615.060116]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  615.065319]  ? find_held_lock+0x36/0x1c0
[  615.069388]  ? zap_class+0x640/0x640
[  615.073109]  ? pvclock_read_flags+0x160/0x160
[  615.077613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.083158]  ? check_preemption_disabled+0x48/0x280
[  615.088188]  ? __lock_is_held+0xb5/0x140
[  615.092253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.097798]  ? check_preemption_disabled+0x48/0x280
[  615.102823]  run_timer_softirq+0x52/0xb0
[  615.106892]  ? rcu_read_lock_sched_held+0x14f/0x180
[  615.111916]  __do_softirq+0x308/0xb7e
[  615.115723]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  615.120218]  ? lock_downgrade+0x900/0x900
[  615.124375]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  615.129489]  ? pvclock_read_flags+0x160/0x160
[  615.133988]  ? lapic_next_event+0x5a/0x90
[  615.138142]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.143687]  ? kvm_clock_read+0x18/0x30
[  615.147664]  ? kvm_sched_clock_read+0x9/0x20
[  615.152089]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.157634]  ? check_preemption_disabled+0x48/0x280
[  615.162664]  irq_exit+0x17f/0x1c0
[  615.166125]  smp_apic_timer_interrupt+0x1cb/0x760
[  615.170970]  ? smp_reschedule_interrupt+0x109/0x650
[  615.175988]  ? smp_call_function_single_interrupt+0x650/0x650
[  615.181876]  ? interrupt_entry+0xb5/0xc0
[  615.185940]  ? trace_hardirqs_off_caller+0xbb/0x310
[  615.190957]  ? trace_hardirqs_off_caller+0xbb/0x310
[  615.195980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.200825]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.205870]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.210900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.215756]  apic_timer_interrupt+0xf/0x20
[  615.219992]  </IRQ>
[  615.222235] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  615.227176] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  615.246085] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  615.253802] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  615.261088] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  615.268355] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  615.275623] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  615.282894] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  615.290212]  skb_clone+0x1bb/0x500
[  615.293767]  ? finish_task_switch+0x2f4/0x910
[  615.298268]  ? skb_split+0x11e0/0x11e0
[  615.302162]  ? preempt_notifier_register+0x200/0x200
[  615.307266]  ? __switch_to_asm+0x34/0x70
[  615.311328]  ? __switch_to_asm+0x34/0x70
[  615.315386]  ? __switch_to_asm+0x40/0x70
[  615.319453]  ? __switch_to_asm+0x34/0x70
[  615.323517]  ? __switch_to_asm+0x40/0x70
[  615.327587]  ? __switch_to_asm+0x34/0x70
[  615.331646]  ? __switch_to_asm+0x40/0x70
[  615.335704]  ? __switch_to_asm+0x34/0x70
[  615.339774]  ? __switch_to_asm+0x34/0x70
[  615.343844]  ? __switch_to_asm+0x40/0x70
[  615.347923]  ? __switch_to_asm+0x34/0x70
[  615.351997]  bpf_clone_redirect+0xb9/0x490
[  615.356236]  ? __schedule+0x8d7/0x21d0
[  615.360130]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  615.365155]  ? __sched_text_start+0x8/0x8
[  615.369312]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  615.373899]  ? retint_kernel+0x2d/0x2d
[  615.377797]  ? trace_hardirqs_on_caller+0xc0/0x310
[  615.382736]  ? find_held_lock+0x36/0x1c0
[  615.386813]  ? lock_acquire+0x1ed/0x520
[  615.390806]  ? bpf_test_run+0x3ee/0x7a0
[  615.394798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.400342]  ? check_preemption_disabled+0x48/0x280
[  615.405367]  ? kasan_check_read+0x11/0x20
[  615.409519]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.414805]  ? rcu_softirq_qs+0x20/0x20
[  615.418791]  ? preempt_schedule+0x4d/0x60
[  615.422967]  ? ___preempt_schedule+0x16/0x18
[  615.427401]  ? bpf_test_run+0x271/0x7a0
[  615.431426]  ? netlink_diag_dump+0x2a0/0x2a0
[  615.436452]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.441999]  ? bpf_test_init.isra.10+0x70/0x100
[  615.446678]  ? bpf_prog_test_run_skb+0x762/0xd60
[  615.451460]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  615.456326]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  615.461866]  ? fput+0x130/0x1a0
[  615.465166]  ? __bpf_prog_get+0x9b/0x290
[  615.469247]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  615.474107]  ? bpf_prog_test_run+0x130/0x1a0
[  615.478521]  ? __x64_sys_bpf+0x3d8/0x520
[  615.482585]  ? bpf_prog_get+0x20/0x20
[  615.486407]  ? do_syscall_64+0x1b9/0x820
[  615.490475]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  615.495843]  ? syscall_return_slowpath+0x5e0/0x5e0
[  615.500771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.505624]  ? trace_hardirqs_on_caller+0x310/0x310
[  615.510648]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  615.515667]  ? prepare_exit_to_usermode+0x291/0x3b0
[  615.520695]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  615.525556]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  615.530958] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  615.531028] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  615.537727] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  615.537733] Call Trace:
[  615.537741]  <IRQ>
[  615.537761]  dump_stack+0x244/0x39d
[  615.537780]  ? dump_stack_print_info.cold.1+0x20/0x20
[  615.544471] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  615.553634]  warn_alloc.cold.116+0xb7/0x1bd
[  615.556188] syz-executor4 cpuset=syz4 mems_allowed=0
[  615.558343]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  615.591861]  ? lock_downgrade+0x900/0x900
[  615.596042]  ? trace_hardirqs_off+0xb8/0x310
[  615.600492]  ? trace_hardirqs_off+0xb8/0x310
[  615.604912]  __alloc_pages_slowpath+0x2651/0x2de0
[  615.609787]  ? warn_alloc+0x120/0x120
[  615.613606]  ? print_usage_bug+0xc0/0xc0
[  615.617686]  ? warn_alloc+0x120/0x120
[  615.621506]  ? warn_alloc+0x120/0x120
[  615.625317]  ? print_usage_bug+0xc0/0xc0
[  615.629387]  ? kvm_clock_read+0x18/0x30
[  615.633368]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  615.638389]  ? print_usage_bug+0xc0/0xc0
[  615.642459]  ? __lock_acquire+0x62f/0x4c20
[  615.646703]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  615.652263]  ? should_fail+0x22d/0xd01
[  615.656159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.661459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.666568]  ? __lock_acquire+0x62f/0x4c20
[  615.670834]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  615.675938]  ? __lock_acquire+0x62f/0x4c20
[  615.680178]  ? should_fail+0x22d/0xd01
[  615.684067]  ? rcu_irq_exit+0x1a2/0x390
[  615.688058]  ? mark_held_locks+0x130/0x130
[  615.692303]  ? mark_held_locks+0x130/0x130
[  615.696543]  ? mark_held_locks+0xc7/0x130
[  615.700694]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  615.705718]  ? zap_class+0x640/0x640
[  615.709447]  ? print_usage_bug+0xc0/0xc0
[  615.713521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.719068]  ? check_preemption_disabled+0x48/0x280
[  615.724103]  ? __lock_is_held+0xb5/0x140
[  615.728175]  __alloc_pages_nodemask+0xad8/0xea0
[  615.732852]  ? zap_class+0x640/0x640
[  615.736577]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  615.741632]  ? find_held_lock+0x36/0x1c0
[  615.745708]  ? ____cache_alloc_node+0x1c7/0x1e0
[  615.750413]  ? lock_downgrade+0x900/0x900
[  615.754584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.760137]  cache_grow_begin+0xa5/0x8c0
[  615.764216]  ? do_raw_spin_unlock+0xa7/0x330
[  615.768640]  fallback_alloc+0x204/0x2e0
[  615.772631]  ____cache_alloc_node+0x1c7/0x1e0
[  615.777347]  kmem_cache_alloc_node+0xe3/0x730
[  615.781850]  ? ipv6_get_ifaddr+0x42e/0x620
[  615.786102]  __alloc_skb+0x119/0x770
[  615.789818]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  615.795107]  ? netdev_alloc_frag+0x1f0/0x1f0
[  615.799518]  ? lock_downgrade+0x900/0x900
[  615.803681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.809220]  ? refcount_sub_and_test_checked+0x203/0x310
[  615.814693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  615.820168]  ? addrconf_rs_timer+0x690/0x690
[  615.824588]  ndisc_alloc_skb+0x144/0x340
[  615.828658]  ndisc_send_rs+0x331/0x6e0
[  615.832591]  addrconf_rs_timer+0x314/0x690
[  615.836837]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.841086]  call_timer_fn+0x272/0x920
[  615.844975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.849214]  ? process_timeout+0x40/0x40
[  615.853294]  ? mark_held_locks+0xc7/0x130
[  615.857455]  ? _raw_spin_unlock_irq+0x27/0x80
[  615.861951]  ? _raw_spin_unlock_irq+0x27/0x80
[  615.866454]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.870696]  ? lockdep_hardirqs_on+0x296/0x5b0
[  615.875289]  ? trace_hardirqs_on+0xbd/0x310
[  615.879617]  ? kasan_check_read+0x11/0x20
[  615.883770]  ? __run_timers+0x7da/0xc70
[  615.887748]  ? trace_hardirqs_off_caller+0x310/0x310
[  615.892862]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.897106]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  615.901373]  __run_timers+0x7e5/0xc70
[  615.905713]  ? timer_fixup_init+0x70/0x70
[  615.909866]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  615.914888]  ? zap_class+0x640/0x640
[  615.918612]  ? print_usage_bug+0xc0/0xc0
[  615.922681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  615.927886]  ? find_held_lock+0x36/0x1c0
[  615.931957]  ? zap_class+0x640/0x640
[  615.935679]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.941223]  ? check_preemption_disabled+0x48/0x280
[  615.946256]  ? __lock_is_held+0xb5/0x140
[  615.950324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  615.955869]  ? check_preemption_disabled+0x48/0x280
[  615.960908]  run_timer_softirq+0x52/0xb0
[  615.965002]  ? rcu_read_lock_sched_held+0x14f/0x180
[  615.970067]  __do_softirq+0x308/0xb7e
[  615.973900]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  615.978394]  ? lock_downgrade+0x900/0x900
[  615.982553]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  615.987682]  ? pvclock_read_flags+0x160/0x160
[  615.992195]  ? lapic_next_event+0x5a/0x90
[  615.996353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.001898]  ? kvm_clock_read+0x18/0x30
[  616.005885]  ? kvm_sched_clock_read+0x9/0x20
[  616.010306]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.015848]  ? check_preemption_disabled+0x48/0x280
[  616.020876]  irq_exit+0x17f/0x1c0
[  616.024333]  smp_apic_timer_interrupt+0x1cb/0x760
[  616.029186]  ? smp_call_function_single_interrupt+0x650/0x650
[  616.035073]  ? interrupt_entry+0xb5/0xc0
[  616.039141]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.044168]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.049193]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.054038]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.059055]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.064077]  ? task_prio+0x50/0x50
[  616.067625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.073177]  ? check_preemption_disabled+0x48/0x280
[  616.078206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.083061]  apic_timer_interrupt+0xf/0x20
[  616.087303]  </IRQ>
[  616.089545] RIP: 0010:dump_stack+0x358/0x39d
[  616.093955] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  616.112867] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  616.120583] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  616.127853] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  616.135122] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  616.142396] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  616.149674] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  616.156969]  ? dump_stack+0x34f/0x39d
[  616.160785]  ? dump_stack_print_info.cold.1+0x20/0x20
[  616.165983]  ? mark_held_locks+0x130/0x130
[  616.170218]  ? mark_held_locks+0x130/0x130
[  616.174498]  dump_header+0x27b/0xf72
[  616.178228]  ? pagefault_out_of_memory+0x197/0x197
[  616.183168]  ? __lock_acquire+0x62f/0x4c20
[  616.187409]  ? percpu_ref_get_many+0x240/0x240
[  616.192006]  ? print_usage_bug+0xc0/0xc0
[  616.196077]  ? zap_class+0x640/0x640
[  616.199811]  ? print_usage_bug+0xc0/0xc0
[  616.203873]  ? print_usage_bug+0xc0/0xc0
[  616.207939]  ? zap_class+0x640/0x640
[  616.211677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.217235]  ? find_held_lock+0x36/0x1c0
[  616.221315]  ? mark_held_locks+0xc7/0x130
[  616.225472]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  616.230576]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  616.235686]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  616.240274]  ? trace_hardirqs_on+0xbd/0x310
[  616.244606]  ? kasan_check_read+0x11/0x20
[  616.248767]  ? ___ratelimit+0x3b4/0x672
[  616.252746]  ? trace_hardirqs_off_caller+0x310/0x310
[  616.257854]  ? trace_hardirqs_on+0x310/0x310
[  616.262281]  ? lock_downgrade+0x900/0x900
[  616.266450]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  616.271559]  ? ___ratelimit+0x3b9/0x672
[  616.275542]  ? idr_get_free+0xf70/0xf70
[  616.279519]  ? find_held_lock+0x36/0x1c0
[  616.283609]  oom_kill_process.cold.27+0x10/0x903
[  616.288377]  ? zap_class+0x640/0x640
[  616.292099]  ? check_preemption_disabled+0x48/0x280
[  616.297124]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.302057]  ? kasan_check_read+0x11/0x20
[  616.306214]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.311499]  ? oom_evaluate_task+0x540/0x540
[  616.315916]  ? find_held_lock+0x36/0x1c0
[  616.319986]  ? out_of_memory+0x974/0x1430
[  616.324138]  ? lock_downgrade+0x900/0x900
[  616.328312]  ? check_preemption_disabled+0x48/0x280
[  616.333338]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.338305]  ? kasan_check_read+0x11/0x20
[  616.342463]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.347746]  ? rcu_softirq_qs+0x20/0x20
[  616.351732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.357269]  ? oom_evaluate_task+0x302/0x540
[  616.361691]  out_of_memory+0xa84/0x1430
[  616.365687]  ? oom_killer_disable+0x3a0/0x3a0
[  616.370186]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  616.375126]  ? __ww_mutex_check_waiters+0x160/0x160
[  616.380170]  __alloc_pages_slowpath+0x232c/0x2de0
[  616.385042]  ? warn_alloc+0x120/0x120
[  616.388844]  ? mark_held_locks+0x130/0x130
[  616.393092]  ? find_get_entry+0xaae/0x1120
[  616.397340]  ? filemap_map_pages+0x1a20/0x1a20
[  616.401932]  ? zap_class+0x640/0x640
[  616.405655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  616.411213]  ? check_preemption_disabled+0x48/0x280
[  616.416232]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.421773]  ? should_fail+0x22d/0xd01
[  616.425700]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  616.430824]  ? zap_class+0x640/0x640
[  616.434566]  ? __lock_is_held+0xb5/0x140
[  616.438639]  ? mark_held_locks+0x130/0x130
[  616.442881]  ? lock_release+0xa00/0xa00
[  616.446859]  ? perf_trace_sched_process_exec+0x860/0x860
[  616.452320]  ? xa_load+0x2ba/0x460
[  616.455865]  ? lock_downgrade+0x900/0x900
[  616.460053]  ? __might_sleep+0x95/0x190
[  616.464041]  __alloc_pages_nodemask+0xad8/0xea0
[  616.468719]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  616.473741]  ? __page_cache_alloc+0x191/0x5c0
[  616.478239]  ? xa_load+0x2e1/0x460
[  616.481782]  ? xa_clear_mark+0x40/0x40
[  616.485679]  ? zap_class+0x640/0x640
[  616.489409]  ? zap_class+0x640/0x640
[  616.493130]  ? zap_class+0x640/0x640
[  616.496847]  ? __do_page_cache_readahead+0x663/0x810
[  616.501961]  ? find_held_lock+0x36/0x1c0
[  616.506031]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  616.511578]  alloc_pages_current+0x173/0x350
[  616.515995]  __page_cache_alloc+0x38c/0x5c0
[  616.520326]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.525258]  ? kasan_check_read+0x11/0x20
[  616.529414]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.534712]  ? generic_perform_write+0x6a0/0x6a0
[  616.539737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.545300]  ? check_preemption_disabled+0x48/0x280
[  616.550342]  filemap_fault+0x1595/0x25f0
[  616.554420]  ? __lock_page_or_retry+0xa00/0xa00
[  616.559105]  ? mark_held_locks+0x130/0x130
[  616.563363]  ? filemap_map_pages+0xd6b/0x1a20
[  616.567861]  ? lock_downgrade+0x900/0x900
[  616.572020]  ? check_preemption_disabled+0x48/0x280
[  616.577045]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.581979]  ? kasan_check_read+0x11/0x20
[  616.586131]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.591409]  ? rcu_softirq_qs+0x20/0x20
[  616.595405]  ? filemap_map_pages+0xd92/0x1a20
[  616.599920]  ? find_get_entries_tag+0x1400/0x1400
[  616.604776]  ? __kernel_text_address+0xd/0x40
[  616.609278]  ? unwind_get_return_address+0x61/0xa0
[  616.614236]  ? lock_acquire+0x1ed/0x520
[  616.618224]  ? ext4_filemap_fault+0x7a/0xad
[  616.622635]  ? lock_release+0xa00/0xa00
[  616.626630]  ? perf_trace_sched_process_exec+0x860/0x860
[  616.632161]  ? print_usage_bug+0xc0/0xc0
[  616.636286]  ? print_usage_bug+0xc0/0xc0
[  616.640348]  ? __x64_sys_read+0x73/0xb0
[  616.644325]  ? print_usage_bug+0xc0/0xc0
[  616.648402]  ? down_read+0x8d/0x120
[  616.652035]  ? ext4_filemap_fault+0x7a/0xad
[  616.656362]  ? __down_interruptible+0x700/0x700
[  616.661047]  ext4_filemap_fault+0x82/0xad
[  616.665260]  __do_fault+0x100/0x6b0
[  616.668895]  ? trace_hardirqs_on+0xbd/0x310
[  616.673290]  ? pmd_devmap_trans_unstable+0x220/0x220
[  616.678407]  ? mark_held_locks+0x130/0x130
[  616.682655]  ? mark_held_locks+0x130/0x130
[  616.687082]  ? do_syslog+0x147b/0x1690
[  616.690977]  ? do_syslog+0x309/0x1690
[  616.694784]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.700354]  __handle_mm_fault+0x3ea0/0x5be0
[  616.704782]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  616.709641]  ? find_held_lock+0x36/0x1c0
[  616.713728]  ? zap_class+0x640/0x640
[  616.717453]  ? zap_class+0x640/0x640
[  616.721178]  ? find_held_lock+0x36/0x1c0
[  616.725251]  ? handle_mm_fault+0x42a/0xc70
[  616.729498]  ? lock_downgrade+0x900/0x900
[  616.733650]  ? check_preemption_disabled+0x48/0x280
[  616.738675]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  616.743613]  ? kasan_check_read+0x11/0x20
[  616.747763]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  616.753043]  ? rcu_softirq_qs+0x20/0x20
[  616.757020]  ? trace_hardirqs_off_caller+0x310/0x310
[  616.762128]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  616.767673]  ? check_preemption_disabled+0x48/0x280
[  616.772707]  handle_mm_fault+0x54f/0xc70
[  616.776775]  ? __handle_mm_fault+0x5be0/0x5be0
[  616.781365]  ? find_vma+0x34/0x190
[  616.784915]  __do_page_fault+0x5e8/0xe60
[  616.788977]  ? trace_hardirqs_off+0xb8/0x310
[  616.793391]  ? kernel_write+0x120/0x120
[  616.797380]  do_page_fault+0xf2/0x7e0
[  616.801185]  ? vmalloc_sync_all+0x30/0x30
[  616.805339]  ? error_entry+0x70/0xd0
[  616.809056]  ? trace_hardirqs_off_caller+0xbb/0x310
[  616.814080]  ? trace_hardirqs_on_caller+0xc0/0x310
[  616.819016]  ? syscall_return_slowpath+0x5e0/0x5e0
[  616.823952]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.828807]  ? trace_hardirqs_on_caller+0x310/0x310
[  616.833829]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  616.839296]  ? prepare_exit_to_usermode+0x291/0x3b0
[  616.844318]  ? page_fault+0x8/0x30
[  616.847874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  616.852725]  ? page_fault+0x8/0x30
[  616.856272]  page_fault+0x1e/0x30
[  616.859733] RIP: 0033:0x7fe9f4ff21fd
[  616.863467] Code: Bad RIP value.
[  616.866833] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  616.872209] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  616.879478] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  616.886751] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  616.894031] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  616.901304] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  616.909113] warn_alloc_show_mem: 1 callbacks suppressed
[  616.909126] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  616.909127] Mem-Info:
[  616.909158] active_anon:43385 inactive_anon:190 isolated_anon:0
[  616.909158]  active_file:9 inactive_file:19 isolated_file:0
[  616.909158]  unevictable:0 dirty:0 writeback:0 unstable:0
[  616.909158]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  616.909158]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  616.909158]  free:13722 free_pcp:438 free_cma:0
[  616.914498] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  616.914507] Call Trace:
[  616.921615] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  616.924018]  <IRQ>
[  616.956812] 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
[  616.966181]  dump_stack+0x244/0x39d
[  616.968733] lowmem_reserve[]: 0 2818 6321 6321
[  616.996244]  ? dump_stack_print_info.cold.1+0x20/0x20
[  616.998372] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  617.024499]  warn_alloc.cold.116+0xb7/0x1bd
[  617.028098] lowmem_reserve[]: 0 0 3503 3503
[  617.032675]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  617.037841] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  617.065197]  ? lock_downgrade+0x900/0x900
[  617.069509] lowmem_reserve[]: 0 0 0 0
[  617.073850]  ? trace_hardirqs_off+0xb8/0x310
[  617.078676] 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
[  617.107673]  ? trace_hardirqs_off+0xb8/0x310
[  617.111798] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  617.115601]  __alloc_pages_slowpath+0x2651/0x2de0
[  617.119979] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  617.133540]  ? warn_alloc+0x120/0x120
[  617.137909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  617.152910]  ? warn_alloc+0x120/0x120
[  617.157740] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  617.173260]  ? warn_alloc+0x120/0x120
[  617.177056] 272 total pagecache pages
[  617.185890]  ? print_usage_bug+0xc0/0xc0
[  617.189673] 0 pages in swap cache
[  617.198264]  ? print_usage_bug+0xc0/0xc0
[  617.202042] Swap cache stats: add 0, delete 0, find 0/0
[  617.205844]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.209878] Free swap  = 0kB
[  617.213343]  ? should_fail+0x22d/0xd01
[  617.217380] Total swap = 0kB
[  617.222744]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  617.228255] 1965979 pages RAM
[  617.231272]  ? __lock_acquire+0x62f/0x4c20
[  617.235128] 0 pages HighMem/MovableOnly
[  617.235136] 342854 pages reserved
[  617.238151]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  617.243224] 0 pages cma reserved
[  617.246324]  ? __lock_acquire+0x62f/0x4c20
[  617.250628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  617.254512]  ? should_fail+0x22d/0xd01
[  617.254543]  ? mark_held_locks+0x130/0x130
[  617.258037] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  617.263075]  ? mark_held_locks+0x130/0x130
[  617.266417] rsyslogd cpuset=/ mems_allowed=0
[  617.270658]  ? zap_class+0x640/0x640
[  617.307608]  ? print_usage_bug+0xc0/0xc0
[  617.311677]  ? __lock_acquire+0x62f/0x4c20
[  617.315927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.321476]  ? check_preemption_disabled+0x48/0x280
[  617.326506]  ? __lock_is_held+0xb5/0x140
[  617.330576]  __alloc_pages_nodemask+0xad8/0xea0
[  617.335252]  ? zap_class+0x640/0x640
[  617.338978]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  617.344013]  ? find_held_lock+0x36/0x1c0
[  617.348089]  ? ____cache_alloc_node+0x1c7/0x1e0
[  617.352763]  ? lock_downgrade+0x900/0x900
[  617.356932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.362479]  cache_grow_begin+0xa5/0x8c0
[  617.366545]  ? do_raw_spin_unlock+0xa7/0x330
[  617.370977]  fallback_alloc+0x204/0x2e0
[  617.374961]  ____cache_alloc_node+0x1c7/0x1e0
[  617.379469]  kmem_cache_alloc_node+0xe3/0x730
[  617.383970]  ? ipv6_get_ifaddr+0x42e/0x620
[  617.388233]  __alloc_skb+0x119/0x770
[  617.391946]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.397232]  ? netdev_alloc_frag+0x1f0/0x1f0
[  617.401643]  ? lock_downgrade+0x900/0x900
[  617.405810]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.411350]  ? refcount_sub_and_test_checked+0x203/0x310
[  617.416811]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  617.422273]  ? addrconf_rs_timer+0x690/0x690
[  617.426736]  ndisc_alloc_skb+0x144/0x340
[  617.430810]  ndisc_send_rs+0x331/0x6e0
[  617.434713]  addrconf_rs_timer+0x314/0x690
[  617.438954]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.443206]  call_timer_fn+0x272/0x920
[  617.447095]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.451332]  ? process_timeout+0x40/0x40
[  617.455415]  ? __run_timers+0x7da/0xc70
[  617.459402]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.463905]  ? _raw_spin_unlock_irq+0x27/0x80
[  617.468405]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.472652]  ? lockdep_hardirqs_on+0x296/0x5b0
[  617.477239]  ? trace_hardirqs_on+0xbd/0x310
[  617.481566]  ? kasan_check_read+0x11/0x20
[  617.485717]  ? __run_timers+0x7da/0xc70
[  617.489695]  ? trace_hardirqs_off_caller+0x310/0x310
[  617.494822]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  617.499059]  __run_timers+0x7e5/0xc70
[  617.502873]  ? timer_fixup_init+0x70/0x70
[  617.507028]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  617.512073]  ? zap_class+0x640/0x640
[  617.515800]  ? enqueue_hrtimer+0x1a5/0x560
[  617.520043]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  617.525259]  ? find_held_lock+0x36/0x1c0
[  617.529342]  ? zap_class+0x640/0x640
[  617.533062]  ? pvclock_read_flags+0x160/0x160
[  617.537577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.543131]  ? check_preemption_disabled+0x48/0x280
[  617.548169]  ? __lock_is_held+0xb5/0x140
[  617.552255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.557808]  ? check_preemption_disabled+0x48/0x280
[  617.562832]  run_timer_softirq+0x52/0xb0
[  617.566899]  ? rcu_read_lock_sched_held+0x14f/0x180
[  617.571924]  __do_softirq+0x308/0xb7e
[  617.575758]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  617.580258]  ? lock_downgrade+0x900/0x900
[  617.584415]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  617.589539]  ? pvclock_read_flags+0x160/0x160
[  617.594055]  ? lapic_next_event+0x5a/0x90
[  617.598210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.603761]  ? kvm_clock_read+0x18/0x30
[  617.607743]  ? kvm_sched_clock_read+0x9/0x20
[  617.612160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.617702]  ? check_preemption_disabled+0x48/0x280
[  617.622731]  irq_exit+0x17f/0x1c0
[  617.626188]  smp_apic_timer_interrupt+0x1cb/0x760
[  617.631036]  ? smp_reschedule_interrupt+0x109/0x650
[  617.636059]  ? smp_call_function_single_interrupt+0x650/0x650
[  617.641945]  ? interrupt_entry+0xb5/0xc0
[  617.646016]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.651033]  ? trace_hardirqs_off_caller+0xbb/0x310
[  617.656054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.660902]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.665930]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.670980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.675841]  apic_timer_interrupt+0xf/0x20
[  617.680071]  </IRQ>
[  617.682310] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  617.687248] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  617.706163] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  617.713890] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  617.721177] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  617.728455] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  617.735728] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  617.743004] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  617.750326]  skb_clone+0x1bb/0x500
[  617.753872]  ? finish_task_switch+0x2f4/0x910
[  617.758373]  ? skb_split+0x11e0/0x11e0
[  617.762268]  ? preempt_notifier_register+0x200/0x200
[  617.767372]  ? __switch_to_asm+0x34/0x70
[  617.771444]  ? __switch_to_asm+0x34/0x70
[  617.776034]  ? __switch_to_asm+0x40/0x70
[  617.780095]  ? __switch_to_asm+0x34/0x70
[  617.784155]  ? __switch_to_asm+0x40/0x70
[  617.788217]  ? __switch_to_asm+0x34/0x70
[  617.792276]  ? __switch_to_asm+0x40/0x70
[  617.796338]  ? __switch_to_asm+0x34/0x70
[  617.800404]  ? __switch_to_asm+0x34/0x70
[  617.804474]  ? __switch_to_asm+0x40/0x70
[  617.808552]  ? __switch_to_asm+0x34/0x70
[  617.812622]  bpf_clone_redirect+0xb9/0x490
[  617.816862]  ? __schedule+0x8d7/0x21d0
[  617.820757]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  617.825804]  ? __sched_text_start+0x8/0x8
[  617.829961]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  617.834576]  ? retint_kernel+0x2d/0x2d
[  617.838468]  ? trace_hardirqs_on_caller+0xc0/0x310
[  617.843447]  ? find_held_lock+0x36/0x1c0
[  617.847556]  ? lock_acquire+0x1ed/0x520
[  617.851545]  ? bpf_test_run+0x3ee/0x7a0
[  617.855527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  617.861076]  ? check_preemption_disabled+0x48/0x280
[  617.866102]  ? kasan_check_read+0x11/0x20
[  617.870252]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  617.875535]  ? rcu_softirq_qs+0x20/0x20
[  617.879523]  ? preempt_schedule+0x4d/0x60
[  617.883677]  ? ___preempt_schedule+0x16/0x18
[  617.888102]  ? bpf_test_run+0x271/0x7a0
[  617.892099]  ? netlink_diag_dump+0x2a0/0x2a0
[  617.896516]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  617.902060]  ? bpf_test_init.isra.10+0x70/0x100
[  617.906736]  ? bpf_prog_test_run_skb+0x762/0xd60
[  617.911508]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  617.916362]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  617.921903]  ? fput+0x130/0x1a0
[  617.925191]  ? __bpf_prog_get+0x9b/0x290
[  617.929259]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  617.934109]  ? bpf_prog_test_run+0x130/0x1a0
[  617.938528]  ? __x64_sys_bpf+0x3d8/0x520
[  617.942592]  ? bpf_prog_get+0x20/0x20
[  617.946420]  ? do_syscall_64+0x1b9/0x820
[  617.950494]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  617.955867]  ? syscall_return_slowpath+0x5e0/0x5e0
[  617.960802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.965651]  ? trace_hardirqs_on_caller+0x310/0x310
[  617.970674]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  617.975716]  ? prepare_exit_to_usermode+0x291/0x3b0
[  617.980740]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  617.985607]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  617.990989] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  617.991113] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  617.997789] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  617.997798] Call Trace:
[  618.004402] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  618.013644]  <IRQ>
[  618.016234] syz-executor4 cpuset=syz4 mems_allowed=0
[  618.026722]  dump_stack+0x244/0x39d
[  618.037567]  ? dump_stack_print_info.cold.1+0x20/0x20
[  618.042779]  warn_alloc.cold.116+0xb7/0x1bd
[  618.047107]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  618.051964]  ? lock_downgrade+0x900/0x900
[  618.056122]  ? trace_hardirqs_off+0xb8/0x310
[  618.060552]  ? trace_hardirqs_off+0xb8/0x310
[  618.064971]  __alloc_pages_slowpath+0x2651/0x2de0
[  618.069857]  ? warn_alloc+0x120/0x120
[  618.073677]  ? print_usage_bug+0xc0/0xc0
[  618.077744]  ? warn_alloc+0x120/0x120
[  618.081552]  ? warn_alloc+0x120/0x120
[  618.085390]  ? print_usage_bug+0xc0/0xc0
[  618.089466]  ? print_usage_bug+0xc0/0xc0
[  618.093536]  ? __lock_acquire+0x62f/0x4c20
[  618.097781]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.103325]  ? should_fail+0x22d/0xd01
[  618.107220]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.112331]  ? __lock_acquire+0x62f/0x4c20
[  618.116593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.121695]  ? __lock_acquire+0x62f/0x4c20
[  618.125953]  ? should_fail+0x22d/0xd01
[  618.129841]  ? find_held_lock+0x36/0x1c0
[  618.133928]  ? mark_held_locks+0x130/0x130
[  618.138170]  ? mark_held_locks+0x130/0x130
[  618.142405]  ? zap_class+0x640/0x640
[  618.146130]  ? zap_class+0x640/0x640
[  618.149864]  ? print_usage_bug+0xc0/0xc0
[  618.153928]  ? do_raw_spin_unlock+0xa7/0x330
[  618.158342]  ? zap_class+0x640/0x640
[  618.162067]  ? print_usage_bug+0xc0/0xc0
[  618.166130]  ? wq_watchdog_touch+0x9c/0xfe
[  618.170383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.175926]  ? check_preemption_disabled+0x48/0x280
[  618.180956]  ? __lock_is_held+0xb5/0x140
[  618.185028]  __alloc_pages_nodemask+0xad8/0xea0
[  618.189705]  ? zap_class+0x640/0x640
[  618.193438]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  618.198480]  ? find_held_lock+0x36/0x1c0
[  618.202555]  ? ____cache_alloc_node+0x1c7/0x1e0
[  618.207319]  ? lock_downgrade+0x900/0x900
[  618.211588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.217261]  cache_grow_begin+0xa5/0x8c0
[  618.221332]  ? do_raw_spin_unlock+0xa7/0x330
[  618.225934]  fallback_alloc+0x204/0x2e0
[  618.230024]  ____cache_alloc_node+0x1c7/0x1e0
[  618.234531]  kmem_cache_alloc_node+0xe3/0x730
[  618.239217]  ? ipv6_get_ifaddr+0x42e/0x620
[  618.243550]  __alloc_skb+0x119/0x770
[  618.247269]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.252560]  ? netdev_alloc_frag+0x1f0/0x1f0
[  618.256990]  ? lock_downgrade+0x900/0x900
[  618.261167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.266918]  ? refcount_sub_and_test_checked+0x203/0x310
[  618.272490]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  618.277945]  ? addrconf_rs_timer+0x690/0x690
[  618.282481]  ndisc_alloc_skb+0x144/0x340
[  618.286554]  ndisc_send_rs+0x331/0x6e0
[  618.290459]  addrconf_rs_timer+0x314/0x690
[  618.294703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.299211]  call_timer_fn+0x272/0x920
[  618.303100]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.307338]  ? process_timeout+0x40/0x40
[  618.311412]  ? mark_held_locks+0xc7/0x130
[  618.315736]  ? _raw_spin_unlock_irq+0x27/0x80
[  618.320231]  ? _raw_spin_unlock_irq+0x27/0x80
[  618.324743]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.328998]  ? lockdep_hardirqs_on+0x296/0x5b0
[  618.333592]  ? trace_hardirqs_on+0xbd/0x310
[  618.337919]  ? kasan_check_read+0x11/0x20
[  618.342072]  ? __run_timers+0x7da/0xc70
[  618.346052]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.351167]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.355427]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  618.359672]  __run_timers+0x7e5/0xc70
[  618.363487]  ? timer_fixup_init+0x70/0x70
[  618.367641]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  618.372665]  ? zap_class+0x640/0x640
[  618.376398]  ? print_usage_bug+0xc0/0xc0
[  618.380484]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  618.385691]  ? find_held_lock+0x36/0x1c0
[  618.389762]  ? zap_class+0x640/0x640
[  618.393497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.399048]  ? check_preemption_disabled+0x48/0x280
[  618.404084]  ? __lock_is_held+0xb5/0x140
[  618.408149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.413694]  ? check_preemption_disabled+0x48/0x280
[  618.418722]  run_timer_softirq+0x52/0xb0
[  618.422788]  ? rcu_read_lock_sched_held+0x14f/0x180
[  618.427824]  __do_softirq+0x308/0xb7e
[  618.431638]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  618.436139]  ? lock_downgrade+0x900/0x900
[  618.440307]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  618.445445]  ? pvclock_read_flags+0x160/0x160
[  618.449946]  ? lapic_next_event+0x5a/0x90
[  618.454101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.459648]  ? kvm_clock_read+0x18/0x30
[  618.463626]  ? kvm_sched_clock_read+0x9/0x20
[  618.468039]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.473584]  ? check_preemption_disabled+0x48/0x280
[  618.478613]  irq_exit+0x17f/0x1c0
[  618.482073]  smp_apic_timer_interrupt+0x1cb/0x760
[  618.486920]  ? smp_call_function_single_interrupt+0x650/0x650
[  618.492809]  ? interrupt_entry+0xb5/0xc0
[  618.496875]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.501893]  ? trace_hardirqs_off_caller+0xbb/0x310
[  618.506915]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.511766]  ? trace_hardirqs_on_caller+0x310/0x310
[  618.516788]  ? trace_hardirqs_on_caller+0x310/0x310
[  618.521819]  ? task_prio+0x50/0x50
[  618.525378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.530931]  ? check_preemption_disabled+0x48/0x280
[  618.535958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  618.540817]  apic_timer_interrupt+0xf/0x20
[  618.545048]  </IRQ>
[  618.547296] RIP: 0010:dump_stack+0x358/0x39d
[  618.551707] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  618.570629] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  618.578343] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  618.585618] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  618.592909] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  618.600200] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  618.607474] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  618.614771]  ? dump_stack+0x34f/0x39d
[  618.618590]  ? dump_stack_print_info.cold.1+0x20/0x20
[  618.623788]  ? mark_held_locks+0x130/0x130
[  618.628039]  ? mark_held_locks+0x130/0x130
[  618.632295]  dump_header+0x27b/0xf72
[  618.636026]  ? pagefault_out_of_memory+0x197/0x197
[  618.640969]  ? __lock_acquire+0x62f/0x4c20
[  618.645219]  ? percpu_ref_get_many+0x240/0x240
[  618.649806]  ? print_usage_bug+0xc0/0xc0
[  618.653876]  ? zap_class+0x640/0x640
[  618.657595]  ? print_usage_bug+0xc0/0xc0
[  618.661661]  ? print_usage_bug+0xc0/0xc0
[  618.665730]  ? zap_class+0x640/0x640
[  618.669460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.675003]  ? find_held_lock+0x36/0x1c0
[  618.679089]  ? mark_held_locks+0xc7/0x130
[  618.683243]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  618.688351]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  618.693463]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  618.698197]  ? trace_hardirqs_on+0xbd/0x310
[  618.702527]  ? kasan_check_read+0x11/0x20
[  618.706700]  ? ___ratelimit+0x3b4/0x672
[  618.710680]  ? trace_hardirqs_off_caller+0x310/0x310
[  618.715806]  ? trace_hardirqs_on+0x310/0x310
[  618.720220]  ? lock_downgrade+0x900/0x900
[  618.724380]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  618.729490]  ? ___ratelimit+0x3b9/0x672
[  618.733471]  ? idr_get_free+0xf70/0xf70
[  618.737459]  ? find_held_lock+0x36/0x1c0
[  618.741542]  oom_kill_process.cold.27+0x10/0x903
[  618.746320]  ? zap_class+0x640/0x640
[  618.750051]  ? check_preemption_disabled+0x48/0x280
[  618.755076]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.760008]  ? kasan_check_read+0x11/0x20
[  618.764159]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.769452]  ? oom_evaluate_task+0x540/0x540
[  618.773869]  ? find_held_lock+0x36/0x1c0
[  618.777952]  ? out_of_memory+0x974/0x1430
[  618.782110]  ? lock_downgrade+0x900/0x900
[  618.786260]  ? check_preemption_disabled+0x48/0x280
[  618.791300]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.796233]  ? kasan_check_read+0x11/0x20
[  618.800384]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.805667]  ? rcu_softirq_qs+0x20/0x20
[  618.809657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.815197]  ? oom_evaluate_task+0x302/0x540
[  618.819612]  out_of_memory+0xa84/0x1430
[  618.823601]  ? oom_killer_disable+0x3a0/0x3a0
[  618.828100]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  618.833036]  ? __ww_mutex_check_waiters+0x160/0x160
[  618.838066]  __alloc_pages_slowpath+0x232c/0x2de0
[  618.842947]  ? warn_alloc+0x120/0x120
[  618.846750]  ? mark_held_locks+0x130/0x130
[  618.850994]  ? find_get_entry+0xaae/0x1120
[  618.855241]  ? filemap_map_pages+0x1a20/0x1a20
[  618.859832]  ? zap_class+0x640/0x640
[  618.863559]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  618.869105]  ? check_preemption_disabled+0x48/0x280
[  618.874134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  618.879677]  ? should_fail+0x22d/0xd01
[  618.883573]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  618.888687]  ? zap_class+0x640/0x640
[  618.892436]  ? __lock_is_held+0xb5/0x140
[  618.896513]  ? mark_held_locks+0x130/0x130
[  618.900756]  ? lock_release+0xa00/0xa00
[  618.904732]  ? perf_trace_sched_process_exec+0x860/0x860
[  618.910659]  ? xa_load+0x2ba/0x460
[  618.914207]  ? lock_downgrade+0x900/0x900
[  618.918364]  ? __might_sleep+0x95/0x190
[  618.922353]  __alloc_pages_nodemask+0xad8/0xea0
[  618.927036]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  618.932058]  ? __page_cache_alloc+0x191/0x5c0
[  618.936558]  ? xa_load+0x2e1/0x460
[  618.940102]  ? xa_clear_mark+0x40/0x40
[  618.944013]  ? zap_class+0x640/0x640
[  618.947738]  ? zap_class+0x640/0x640
[  618.951459]  ? zap_class+0x640/0x640
[  618.955179]  ? __do_page_cache_readahead+0x663/0x810
[  618.960305]  ? find_held_lock+0x36/0x1c0
[  618.964374]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  618.969923]  alloc_pages_current+0x173/0x350
[  618.974346]  __page_cache_alloc+0x38c/0x5c0
[  618.978677]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  618.983615]  ? kasan_check_read+0x11/0x20
[  618.987780]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  618.993065]  ? generic_perform_write+0x6a0/0x6a0
[  618.997824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.003368]  ? check_preemption_disabled+0x48/0x280
[  619.008403]  filemap_fault+0x1595/0x25f0
[  619.012490]  ? __lock_page_or_retry+0xa00/0xa00
[  619.017180]  ? mark_held_locks+0x130/0x130
[  619.021443]  ? filemap_map_pages+0xd6b/0x1a20
[  619.025942]  ? lock_downgrade+0x900/0x900
[  619.030097]  ? check_preemption_disabled+0x48/0x280
[  619.035121]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  619.040054]  ? kasan_check_read+0x11/0x20
[  619.044211]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.049491]  ? rcu_softirq_qs+0x20/0x20
[  619.053485]  ? filemap_map_pages+0xd92/0x1a20
[  619.057996]  ? find_get_entries_tag+0x1400/0x1400
[  619.062843]  ? __kernel_text_address+0xd/0x40
[  619.067345]  ? unwind_get_return_address+0x61/0xa0
[  619.072301]  ? lock_acquire+0x1ed/0x520
[  619.076319]  ? ext4_filemap_fault+0x7a/0xad
[  619.080672]  ? lock_release+0xa00/0xa00
[  619.084648]  ? perf_trace_sched_process_exec+0x860/0x860
[  619.090101]  ? print_usage_bug+0xc0/0xc0
[  619.094166]  ? print_usage_bug+0xc0/0xc0
[  619.098246]  ? __x64_sys_read+0x73/0xb0
[  619.102222]  ? print_usage_bug+0xc0/0xc0
[  619.106307]  ? down_read+0x8d/0x120
[  619.109936]  ? ext4_filemap_fault+0x7a/0xad
[  619.114261]  ? __down_interruptible+0x700/0x700
[  619.118948]  ext4_filemap_fault+0x82/0xad
[  619.123103]  __do_fault+0x100/0x6b0
[  619.126732]  ? trace_hardirqs_on+0xbd/0x310
[  619.131072]  ? pmd_devmap_trans_unstable+0x220/0x220
[  619.136180]  ? mark_held_locks+0x130/0x130
[  619.140419]  ? mark_held_locks+0x130/0x130
[  619.144691]  ? do_syslog+0x147b/0x1690
[  619.148586]  ? do_syslog+0x309/0x1690
[  619.152394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.157939]  __handle_mm_fault+0x3ea0/0x5be0
[  619.162360]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  619.167209]  ? find_held_lock+0x36/0x1c0
[  619.171294]  ? zap_class+0x640/0x640
[  619.175009]  ? zap_class+0x640/0x640
[  619.178730]  ? find_held_lock+0x36/0x1c0
[  619.182801]  ? handle_mm_fault+0x42a/0xc70
[  619.187041]  ? lock_downgrade+0x900/0x900
[  619.191193]  ? check_preemption_disabled+0x48/0x280
[  619.196217]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  619.201153]  ? kasan_check_read+0x11/0x20
[  619.205305]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.210588]  ? rcu_softirq_qs+0x20/0x20
[  619.214565]  ? trace_hardirqs_off_caller+0x310/0x310
[  619.219674]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.225216]  ? check_preemption_disabled+0x48/0x280
[  619.230242]  handle_mm_fault+0x54f/0xc70
[  619.234322]  ? __handle_mm_fault+0x5be0/0x5be0
[  619.238907]  ? find_vma+0x34/0x190
[  619.242463]  __do_page_fault+0x5e8/0xe60
[  619.246531]  ? trace_hardirqs_off+0xb8/0x310
[  619.250939]  ? kernel_write+0x120/0x120
[  619.254931]  do_page_fault+0xf2/0x7e0
[  619.258748]  ? vmalloc_sync_all+0x30/0x30
[  619.262911]  ? error_entry+0x70/0xd0
[  619.266630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  619.271647]  ? trace_hardirqs_on_caller+0xc0/0x310
[  619.276578]  ? syscall_return_slowpath+0x5e0/0x5e0
[  619.281509]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.286373]  ? trace_hardirqs_on_caller+0x310/0x310
[  619.291449]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  619.296910]  ? prepare_exit_to_usermode+0x291/0x3b0
[  619.301929]  ? page_fault+0x8/0x30
[  619.305474]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  619.310322]  ? page_fault+0x8/0x30
[  619.313867]  page_fault+0x1e/0x30
[  619.317318] RIP: 0033:0x7fe9f4ff21fd
[  619.321046] Code: Bad RIP value.
[  619.324406] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  619.329788] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  619.337058] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  619.344329] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  619.351610] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  619.358878] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  619.366200] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  619.366206] warn_alloc_show_mem: 1 callbacks suppressed
[  619.366213] Mem-Info:
[  619.373320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  619.378691] active_anon:43385 inactive_anon:190 isolated_anon:0
[  619.378691]  active_file:9 inactive_file:19 isolated_file:0
[  619.378691]  unevictable:0 dirty:0 writeback:0 unstable:0
[  619.378691]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  619.378691]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  619.378691]  free:13722 free_pcp:438 free_cma:0
[  619.381072] Call Trace:
[  619.390489] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  619.423269]  <IRQ>
[  619.425854] 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
[  619.453366]  dump_stack+0x244/0x39d
[  619.455494] lowmem_reserve[]: 0 2818 6321 6321
[  619.481634]  ? dump_stack_print_info.cold.1+0x20/0x20
[  619.485249] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  619.489833]  warn_alloc.cold.116+0xb7/0x1bd
[  619.494989] lowmem_reserve[]: 0 0 3503 3503
[  619.522331]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  619.526638] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  619.530957]  ? lock_downgrade+0x900/0x900
[  619.535770] lowmem_reserve[]: 0 0 0 0
[  619.564803]  ? trace_hardirqs_off+0xb8/0x310
[  619.568925] 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
[  619.572760]  ? trace_hardirqs_off+0xb8/0x310
[  619.577140] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  619.590676]  __alloc_pages_slowpath+0x2651/0x2de0
[  619.595063] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  619.610104]  ? warn_alloc+0x120/0x120
[  619.614916] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  619.630444]  ? print_usage_bug+0xc0/0xc0
[  619.634237] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  619.643066]  ? warn_alloc+0x120/0x120
[  619.647108] 272 total pagecache pages
[  619.655685]  ? warn_alloc+0x120/0x120
[  619.659470] 0 pages in swap cache
[  619.663264]  ? print_usage_bug+0xc0/0xc0
[  619.667041] Swap cache stats: add 0, delete 0, find 0/0
[  619.670487]  ? kvm_clock_read+0x18/0x30
[  619.674524] Free swap  = 0kB
[  619.679880]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  619.683843] Total swap = 0kB
[  619.686872]  ? print_usage_bug+0xc0/0xc0
[  619.691864] 1965979 pages RAM
[  619.694887]  ? __lock_acquire+0x62f/0x4c20
[  619.698927] 0 pages HighMem/MovableOnly
[  619.702033]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  619.706243] 342854 pages reserved
[  619.710232]  ? should_fail+0x22d/0xd01
[  619.715740] 0 pages cma reserved
[  619.719188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.723134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  619.726417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.731762] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  619.738168]  ? __lock_acquire+0x62f/0x4c20
[  619.743245] rsyslogd cpuset=/ mems_allowed=0
[  619.753309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  619.767028]  ? __lock_acquire+0x62f/0x4c20
[  619.771268]  ? should_fail+0x22d/0xd01
[  619.775686]  ? rcu_irq_exit+0x1a2/0x390
[  619.779675]  ? mark_held_locks+0x130/0x130
[  619.783920]  ? mark_held_locks+0x130/0x130
[  619.788165]  ? mark_held_locks+0xc7/0x130
[  619.792339]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  619.797362]  ? zap_class+0x640/0x640
[  619.801078]  ? print_usage_bug+0xc0/0xc0
[  619.805146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.810691]  ? check_preemption_disabled+0x48/0x280
[  619.815722]  ? __lock_is_held+0xb5/0x140
[  619.819795]  __alloc_pages_nodemask+0xad8/0xea0
[  619.824479]  ? zap_class+0x640/0x640
[  619.828208]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  619.833253]  ? find_held_lock+0x36/0x1c0
[  619.837325]  ? ____cache_alloc_node+0x1c7/0x1e0
[  619.842007]  ? lock_downgrade+0x900/0x900
[  619.846180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.851737]  cache_grow_begin+0xa5/0x8c0
[  619.855814]  ? do_raw_spin_unlock+0xa7/0x330
[  619.860233]  fallback_alloc+0x204/0x2e0
[  619.864214]  ____cache_alloc_node+0x1c7/0x1e0
[  619.868718]  kmem_cache_alloc_node+0xe3/0x730
[  619.873214]  ? ipv6_get_ifaddr+0x42e/0x620
[  619.877470]  __alloc_skb+0x119/0x770
[  619.881185]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  619.886476]  ? netdev_alloc_frag+0x1f0/0x1f0
[  619.890888]  ? lock_downgrade+0x900/0x900
[  619.895053]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  619.900616]  ? refcount_sub_and_test_checked+0x203/0x310
[  619.906072]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  619.911527]  ? addrconf_rs_timer+0x690/0x690
[  619.915957]  ndisc_alloc_skb+0x144/0x340
[  619.920028]  ndisc_send_rs+0x331/0x6e0
[  619.923927]  addrconf_rs_timer+0x314/0x690
[  619.928166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.932415]  call_timer_fn+0x272/0x920
[  619.936326]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.940568]  ? process_timeout+0x40/0x40
[  619.944641]  ? __run_timers+0x7da/0xc70
[  619.948621]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.953128]  ? _raw_spin_unlock_irq+0x27/0x80
[  619.957622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.961877]  ? lockdep_hardirqs_on+0x296/0x5b0
[  619.966482]  ? trace_hardirqs_on+0xbd/0x310
[  619.970813]  ? kasan_check_read+0x11/0x20
[  619.974969]  ? __run_timers+0x7da/0xc70
[  619.978947]  ? trace_hardirqs_off_caller+0x310/0x310
[  619.984064]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.988305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  619.992542]  __run_timers+0x7e5/0xc70
[  619.996357]  ? timer_fixup_init+0x70/0x70
[  620.000515]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  620.005534]  ? zap_class+0x640/0x640
[  620.009254]  ? enqueue_hrtimer+0x1a5/0x560
[  620.013495]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  620.018710]  ? find_held_lock+0x36/0x1c0
[  620.022791]  ? zap_class+0x640/0x640
[  620.026520]  ? pvclock_read_flags+0x160/0x160
[  620.031033]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.036578]  ? check_preemption_disabled+0x48/0x280
[  620.041610]  ? __lock_is_held+0xb5/0x140
[  620.045673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.051211]  ? check_preemption_disabled+0x48/0x280
[  620.056249]  run_timer_softirq+0x52/0xb0
[  620.060313]  ? rcu_read_lock_sched_held+0x14f/0x180
[  620.065333]  __do_softirq+0x308/0xb7e
[  620.069155]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  620.073652]  ? lock_downgrade+0x900/0x900
[  620.077813]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  620.082929]  ? pvclock_read_flags+0x160/0x160
[  620.087445]  ? lapic_next_event+0x5a/0x90
[  620.091599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.097144]  ? kvm_clock_read+0x18/0x30
[  620.101123]  ? kvm_sched_clock_read+0x9/0x20
[  620.105539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.111086]  ? check_preemption_disabled+0x48/0x280
[  620.116114]  irq_exit+0x17f/0x1c0
[  620.119572]  smp_apic_timer_interrupt+0x1cb/0x760
[  620.124413]  ? smp_reschedule_interrupt+0x109/0x650
[  620.129449]  ? smp_call_function_single_interrupt+0x650/0x650
[  620.135336]  ? interrupt_entry+0xb5/0xc0
[  620.139403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.144440]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.149468]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.154315]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.159334]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.164361]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.169214]  apic_timer_interrupt+0xf/0x20
[  620.173453]  </IRQ>
[  620.175694] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  620.180632] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  620.199544] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  620.207259] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  620.214544] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  620.221814] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  620.229081] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  620.236350] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  620.243681]  skb_clone+0x1bb/0x500
[  620.247226]  ? finish_task_switch+0x2f4/0x910
[  620.251727]  ? skb_split+0x11e0/0x11e0
[  620.255619]  ? preempt_notifier_register+0x200/0x200
[  620.260724]  ? __switch_to_asm+0x34/0x70
[  620.264797]  ? __switch_to_asm+0x34/0x70
[  620.268858]  ? __switch_to_asm+0x40/0x70
[  620.272932]  ? __switch_to_asm+0x34/0x70
[  620.276991]  ? __switch_to_asm+0x40/0x70
[  620.281050]  ? __switch_to_asm+0x34/0x70
[  620.285123]  ? __switch_to_asm+0x40/0x70
[  620.289194]  ? __switch_to_asm+0x34/0x70
[  620.293256]  ? __switch_to_asm+0x34/0x70
[  620.297319]  ? __switch_to_asm+0x40/0x70
[  620.301377]  ? __switch_to_asm+0x34/0x70
[  620.305452]  bpf_clone_redirect+0xb9/0x490
[  620.309695]  ? __schedule+0x8d7/0x21d0
[  620.313593]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  620.318614]  ? __sched_text_start+0x8/0x8
[  620.322771]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  620.327363]  ? retint_kernel+0x2d/0x2d
[  620.331254]  ? trace_hardirqs_on_caller+0xc0/0x310
[  620.336205]  ? find_held_lock+0x36/0x1c0
[  620.340279]  ? lock_acquire+0x1ed/0x520
[  620.344256]  ? bpf_test_run+0x3ee/0x7a0
[  620.348238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.353789]  ? check_preemption_disabled+0x48/0x280
[  620.358821]  ? kasan_check_read+0x11/0x20
[  620.362974]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.368252]  ? rcu_softirq_qs+0x20/0x20
[  620.372235]  ? preempt_schedule+0x4d/0x60
[  620.376385]  ? ___preempt_schedule+0x16/0x18
[  620.380807]  ? bpf_test_run+0x271/0x7a0
[  620.384803]  ? netlink_diag_dump+0x2a0/0x2a0
[  620.389218]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.394775]  ? bpf_test_init.isra.10+0x70/0x100
[  620.399483]  ? bpf_prog_test_run_skb+0x762/0xd60
[  620.404252]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  620.409103]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  620.414660]  ? fput+0x130/0x1a0
[  620.417949]  ? __bpf_prog_get+0x9b/0x290
[  620.422018]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  620.426869]  ? bpf_prog_test_run+0x130/0x1a0
[  620.431283]  ? __x64_sys_bpf+0x3d8/0x520
[  620.435349]  ? bpf_prog_get+0x20/0x20
[  620.439172]  ? do_syscall_64+0x1b9/0x820
[  620.443232]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  620.448600]  ? syscall_return_slowpath+0x5e0/0x5e0
[  620.453536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.458387]  ? trace_hardirqs_on_caller+0x310/0x310
[  620.463408]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  620.468449]  ? prepare_exit_to_usermode+0x291/0x3b0
[  620.473480]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  620.478334]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  620.483717] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  620.483799] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  620.490480] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  620.490490] Call Trace:
[  620.497070] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  620.506316]  <IRQ>
[  620.508915] syz-executor4 cpuset=syz4 mems_allowed=0
[  620.519403]  dump_stack+0x244/0x39d
[  620.530256]  ? dump_stack_print_info.cold.1+0x20/0x20
[  620.535472]  warn_alloc.cold.116+0xb7/0x1bd
[  620.539796]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  620.544651]  ? lock_downgrade+0x900/0x900
[  620.548811]  ? trace_hardirqs_off+0xb8/0x310
[  620.553229]  ? trace_hardirqs_off+0xb8/0x310
[  620.557649]  __alloc_pages_slowpath+0x2651/0x2de0
[  620.562528]  ? warn_alloc+0x120/0x120
[  620.566333]  ? print_usage_bug+0xc0/0xc0
[  620.570402]  ? warn_alloc+0x120/0x120
[  620.574221]  ? warn_alloc+0x120/0x120
[  620.578030]  ? print_usage_bug+0xc0/0xc0
[  620.582095]  ? kvm_clock_read+0x18/0x30
[  620.586073]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  620.591094]  ? print_usage_bug+0xc0/0xc0
[  620.595158]  ? __lock_acquire+0x62f/0x4c20
[  620.599403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.604956]  ? should_fail+0x22d/0xd01
[  620.608844]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.614130]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  620.619241]  ? __lock_acquire+0x62f/0x4c20
[  620.623483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  620.628589]  ? __lock_acquire+0x62f/0x4c20
[  620.632826]  ? should_fail+0x22d/0xd01
[  620.636714]  ? rcu_irq_exit+0x1a2/0x390
[  620.640708]  ? mark_held_locks+0x130/0x130
[  620.644950]  ? mark_held_locks+0x130/0x130
[  620.649195]  ? mark_held_locks+0xc7/0x130
[  620.653346]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  620.658368]  ? zap_class+0x640/0x640
[  620.662084]  ? print_usage_bug+0xc0/0xc0
[  620.666157]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.671710]  ? check_preemption_disabled+0x48/0x280
[  620.676742]  ? __lock_is_held+0xb5/0x140
[  620.680814]  __alloc_pages_nodemask+0xad8/0xea0
[  620.685487]  ? zap_class+0x640/0x640
[  620.689206]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  620.694243]  ? find_held_lock+0x36/0x1c0
[  620.698323]  ? ____cache_alloc_node+0x1c7/0x1e0
[  620.703000]  ? lock_downgrade+0x900/0x900
[  620.707164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.712713]  cache_grow_begin+0xa5/0x8c0
[  620.716780]  ? do_raw_spin_unlock+0xa7/0x330
[  620.721203]  fallback_alloc+0x204/0x2e0
[  620.725189]  ____cache_alloc_node+0x1c7/0x1e0
[  620.729697]  kmem_cache_alloc_node+0xe3/0x730
[  620.734201]  ? ipv6_get_ifaddr+0x42e/0x620
[  620.738464]  __alloc_skb+0x119/0x770
[  620.742179]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  620.747482]  ? netdev_alloc_frag+0x1f0/0x1f0
[  620.751898]  ? lock_downgrade+0x900/0x900
[  620.756056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.761599]  ? refcount_sub_and_test_checked+0x203/0x310
[  620.767059]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  620.772515]  ? addrconf_rs_timer+0x690/0x690
[  620.776939]  ndisc_alloc_skb+0x144/0x340
[  620.781011]  ndisc_send_rs+0x331/0x6e0
[  620.784910]  addrconf_rs_timer+0x314/0x690
[  620.789156]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.793406]  call_timer_fn+0x272/0x920
[  620.797304]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.801542]  ? process_timeout+0x40/0x40
[  620.805625]  ? mark_held_locks+0xc7/0x130
[  620.809779]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.814276]  ? _raw_spin_unlock_irq+0x27/0x80
[  620.818785]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.823023]  ? lockdep_hardirqs_on+0x296/0x5b0
[  620.827615]  ? trace_hardirqs_on+0xbd/0x310
[  620.831940]  ? kasan_check_read+0x11/0x20
[  620.836095]  ? __run_timers+0x7da/0xc70
[  620.840085]  ? trace_hardirqs_off_caller+0x310/0x310
[  620.845213]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.849462]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  620.853697]  __run_timers+0x7e5/0xc70
[  620.857507]  ? timer_fixup_init+0x70/0x70
[  620.861659]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  620.866677]  ? zap_class+0x640/0x640
[  620.870396]  ? print_usage_bug+0xc0/0xc0
[  620.874471]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  620.879671]  ? find_held_lock+0x36/0x1c0
[  620.883738]  ? zap_class+0x640/0x640
[  620.887513]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.893056]  ? check_preemption_disabled+0x48/0x280
[  620.898083]  ? __lock_is_held+0xb5/0x140
[  620.902147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.908339]  ? check_preemption_disabled+0x48/0x280
[  620.913366]  run_timer_softirq+0x52/0xb0
[  620.917453]  ? rcu_read_lock_sched_held+0x14f/0x180
[  620.922496]  __do_softirq+0x308/0xb7e
[  620.926308]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  620.930807]  ? lock_downgrade+0x900/0x900
[  620.934967]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  620.940081]  ? pvclock_read_flags+0x160/0x160
[  620.944582]  ? lapic_next_event+0x5a/0x90
[  620.948734]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  620.954279]  ? kvm_clock_read+0x18/0x30
[  620.958263]  ? kvm_sched_clock_read+0x9/0x20
[  620.962683]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  620.968225]  ? check_preemption_disabled+0x48/0x280
[  620.973256]  irq_exit+0x17f/0x1c0
[  620.976744]  smp_apic_timer_interrupt+0x1cb/0x760
[  620.981591]  ? smp_call_function_single_interrupt+0x650/0x650
[  620.987484]  ? interrupt_entry+0xb5/0xc0
[  620.991549]  ? trace_hardirqs_off_caller+0xbb/0x310
[  620.996568]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.001613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.006471]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.011493]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.016512]  ? task_prio+0x50/0x50
[  621.020061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.025605]  ? check_preemption_disabled+0x48/0x280
[  621.030634]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.035493]  apic_timer_interrupt+0xf/0x20
[  621.039735]  </IRQ>
[  621.041972] RIP: 0010:dump_stack+0x358/0x39d
[  621.046390] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  621.065298] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  621.073011] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  621.080305] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  621.087576] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  621.094851] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  621.102120] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  621.109420]  ? dump_stack+0x34f/0x39d
[  621.113244]  ? dump_stack_print_info.cold.1+0x20/0x20
[  621.118448]  ? mark_held_locks+0x130/0x130
[  621.122689]  ? mark_held_locks+0x130/0x130
[  621.126943]  dump_header+0x27b/0xf72
[  621.130678]  ? pagefault_out_of_memory+0x197/0x197
[  621.135616]  ? __lock_acquire+0x62f/0x4c20
[  621.139856]  ? percpu_ref_get_many+0x240/0x240
[  621.144450]  ? print_usage_bug+0xc0/0xc0
[  621.148540]  ? zap_class+0x640/0x640
[  621.152258]  ? print_usage_bug+0xc0/0xc0
[  621.156330]  ? print_usage_bug+0xc0/0xc0
[  621.160394]  ? zap_class+0x640/0x640
[  621.164114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.169659]  ? find_held_lock+0x36/0x1c0
[  621.173732]  ? mark_held_locks+0xc7/0x130
[  621.177888]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  621.182992]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  621.188098]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  621.192687]  ? trace_hardirqs_on+0xbd/0x310
[  621.197011]  ? kasan_check_read+0x11/0x20
[  621.201250]  ? ___ratelimit+0x3b4/0x672
[  621.205234]  ? trace_hardirqs_off_caller+0x310/0x310
[  621.210354]  ? trace_hardirqs_on+0x310/0x310
[  621.214773]  ? lock_downgrade+0x900/0x900
[  621.218942]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  621.224047]  ? ___ratelimit+0x3b9/0x672
[  621.228025]  ? idr_get_free+0xf70/0xf70
[  621.231999]  ? find_held_lock+0x36/0x1c0
[  621.236071]  oom_kill_process.cold.27+0x10/0x903
[  621.240833]  ? zap_class+0x640/0x640
[  621.244552]  ? check_preemption_disabled+0x48/0x280
[  621.249583]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.254518]  ? kasan_check_read+0x11/0x20
[  621.258668]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.263948]  ? oom_evaluate_task+0x540/0x540
[  621.268365]  ? find_held_lock+0x36/0x1c0
[  621.272446]  ? out_of_memory+0x974/0x1430
[  621.276600]  ? lock_downgrade+0x900/0x900
[  621.280773]  ? check_preemption_disabled+0x48/0x280
[  621.285797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.290729]  ? kasan_check_read+0x11/0x20
[  621.294879]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.300156]  ? rcu_softirq_qs+0x20/0x20
[  621.304136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.309676]  ? oom_evaluate_task+0x302/0x540
[  621.314112]  out_of_memory+0xa84/0x1430
[  621.318097]  ? oom_killer_disable+0x3a0/0x3a0
[  621.322599]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  621.327534]  ? __ww_mutex_check_waiters+0x160/0x160
[  621.332563]  __alloc_pages_slowpath+0x232c/0x2de0
[  621.337448]  ? warn_alloc+0x120/0x120
[  621.341253]  ? mark_held_locks+0x130/0x130
[  621.345501]  ? find_get_entry+0xaae/0x1120
[  621.349747]  ? filemap_map_pages+0x1a20/0x1a20
[  621.354354]  ? zap_class+0x640/0x640
[  621.358078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  621.363618]  ? check_preemption_disabled+0x48/0x280
[  621.368640]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.374180]  ? should_fail+0x22d/0xd01
[  621.378073]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  621.383179]  ? zap_class+0x640/0x640
[  621.386920]  ? __lock_is_held+0xb5/0x140
[  621.390993]  ? mark_held_locks+0x130/0x130
[  621.395236]  ? lock_release+0xa00/0xa00
[  621.399213]  ? perf_trace_sched_process_exec+0x860/0x860
[  621.404666]  ? xa_load+0x2ba/0x460
[  621.408214]  ? lock_downgrade+0x900/0x900
[  621.412370]  ? __might_sleep+0x95/0x190
[  621.416352]  __alloc_pages_nodemask+0xad8/0xea0
[  621.421034]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  621.426051]  ? __page_cache_alloc+0x191/0x5c0
[  621.430549]  ? xa_load+0x2e1/0x460
[  621.434093]  ? xa_clear_mark+0x40/0x40
[  621.438002]  ? zap_class+0x640/0x640
[  621.441733]  ? zap_class+0x640/0x640
[  621.445455]  ? zap_class+0x640/0x640
[  621.449171]  ? __do_page_cache_readahead+0x663/0x810
[  621.454319]  ? find_held_lock+0x36/0x1c0
[  621.458393]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  621.463946]  alloc_pages_current+0x173/0x350
[  621.468368]  __page_cache_alloc+0x38c/0x5c0
[  621.472689]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.477622]  ? kasan_check_read+0x11/0x20
[  621.481775]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.487058]  ? generic_perform_write+0x6a0/0x6a0
[  621.491819]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.497368]  ? check_preemption_disabled+0x48/0x280
[  621.502396]  filemap_fault+0x1595/0x25f0
[  621.506484]  ? __lock_page_or_retry+0xa00/0xa00
[  621.511158]  ? mark_held_locks+0x130/0x130
[  621.515410]  ? filemap_map_pages+0xd6b/0x1a20
[  621.519916]  ? lock_downgrade+0x900/0x900
[  621.524071]  ? check_preemption_disabled+0x48/0x280
[  621.529095]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.534026]  ? kasan_check_read+0x11/0x20
[  621.538183]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.543468]  ? rcu_softirq_qs+0x20/0x20
[  621.547476]  ? filemap_map_pages+0xd92/0x1a20
[  621.552006]  ? find_get_entries_tag+0x1400/0x1400
[  621.556856]  ? __kernel_text_address+0xd/0x40
[  621.561358]  ? unwind_get_return_address+0x61/0xa0
[  621.566312]  ? lock_acquire+0x1ed/0x520
[  621.570294]  ? ext4_filemap_fault+0x7a/0xad
[  621.574628]  ? lock_release+0xa00/0xa00
[  621.578605]  ? perf_trace_sched_process_exec+0x860/0x860
[  621.584055]  ? print_usage_bug+0xc0/0xc0
[  621.588117]  ? print_usage_bug+0xc0/0xc0
[  621.592198]  ? __x64_sys_read+0x73/0xb0
[  621.596206]  ? print_usage_bug+0xc0/0xc0
[  621.600300]  ? down_read+0x8d/0x120
[  621.603940]  ? ext4_filemap_fault+0x7a/0xad
[  621.608268]  ? __down_interruptible+0x700/0x700
[  621.612981]  ext4_filemap_fault+0x82/0xad
[  621.617132]  __do_fault+0x100/0x6b0
[  621.620762]  ? trace_hardirqs_on+0xbd/0x310
[  621.625088]  ? pmd_devmap_trans_unstable+0x220/0x220
[  621.630198]  ? mark_held_locks+0x130/0x130
[  621.634445]  ? mark_held_locks+0x130/0x130
[  621.638685]  ? do_syslog+0x147b/0x1690
[  621.642577]  ? do_syslog+0x309/0x1690
[  621.646386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.651933]  __handle_mm_fault+0x3ea0/0x5be0
[  621.656352]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  621.661203]  ? find_held_lock+0x36/0x1c0
[  621.665288]  ? zap_class+0x640/0x640
[  621.669004]  ? zap_class+0x640/0x640
[  621.672752]  ? find_held_lock+0x36/0x1c0
[  621.676828]  ? handle_mm_fault+0x42a/0xc70
[  621.681070]  ? lock_downgrade+0x900/0x900
[  621.685221]  ? check_preemption_disabled+0x48/0x280
[  621.690242]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  621.695179]  ? kasan_check_read+0x11/0x20
[  621.699327]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  621.704608]  ? rcu_softirq_qs+0x20/0x20
[  621.708584]  ? trace_hardirqs_off_caller+0x310/0x310
[  621.713693]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  621.719235]  ? check_preemption_disabled+0x48/0x280
[  621.724263]  handle_mm_fault+0x54f/0xc70
[  621.728337]  ? __handle_mm_fault+0x5be0/0x5be0
[  621.733067]  ? find_vma+0x34/0x190
[  621.736614]  __do_page_fault+0x5e8/0xe60
[  621.740679]  ? trace_hardirqs_off+0xb8/0x310
[  621.745097]  ? kernel_write+0x120/0x120
[  621.749083]  do_page_fault+0xf2/0x7e0
[  621.752886]  ? vmalloc_sync_all+0x30/0x30
[  621.757048]  ? error_entry+0x70/0xd0
[  621.760765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  621.765781]  ? trace_hardirqs_on_caller+0xc0/0x310
[  621.770715]  ? syscall_return_slowpath+0x5e0/0x5e0
[  621.775886]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.780739]  ? trace_hardirqs_on_caller+0x310/0x310
[  621.785760]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  621.791217]  ? prepare_exit_to_usermode+0x291/0x3b0
[  621.796237]  ? page_fault+0x8/0x30
[  621.799780]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  621.804628]  ? page_fault+0x8/0x30
[  621.808172]  page_fault+0x1e/0x30
[  621.811623] RIP: 0033:0x7fe9f4ff21fd
[  621.815348] Code: Bad RIP value.
[  621.818709] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  621.824069] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  621.831341] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  621.838612] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  621.845899] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  621.853168] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  621.860470] warn_alloc_show_mem: 1 callbacks suppressed
[  621.860482] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  621.860484] Mem-Info:
[  621.860513] active_anon:43385 inactive_anon:190 isolated_anon:0
[  621.860513]  active_file:9 inactive_file:19 isolated_file:0
[  621.860513]  unevictable:0 dirty:0 writeback:0 unstable:0
[  621.860513]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  621.860513]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  621.860513]  free:13722 free_pcp:438 free_cma:0
[  621.865858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  621.865867] Call Trace:
[  621.872982] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  621.875359]  <IRQ>
[  621.875549]  dump_stack+0x244/0x39d
[  621.908549] 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
[  621.917916]  ? dump_stack_print_info.cold.1+0x20/0x20
[  621.920494] lowmem_reserve[]: 0 2818 6321 6321
[  621.948051]  warn_alloc.cold.116+0xb7/0x1bd
[  621.950172] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  621.953798]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  621.979904] lowmem_reserve[]: 0 0 3503 3503
[  621.985107]  ? lock_downgrade+0x900/0x900
[  621.989658] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  621.993980]  ? trace_hardirqs_off+0xb8/0x310
[  622.021292] lowmem_reserve[]: 0 0 0 0
[  622.026152]  ? trace_hardirqs_off+0xb8/0x310
[  622.030442] 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
[  622.034594]  __alloc_pages_slowpath+0x2651/0x2de0
[  622.063546] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  622.068004]  ? warn_alloc+0x120/0x120
[  622.071748] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  622.076173]  ? print_usage_bug+0xc0/0xc0
[  622.089681] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  622.094523]  ? warn_alloc+0x120/0x120
[  622.109502] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  622.113300]  ? warn_alloc+0x120/0x120
[  622.128793] 272 total pagecache pages
[  622.128810] 0 pages in swap cache
[  622.132865]  ? print_usage_bug+0xc0/0xc0
[  622.141674] Swap cache stats: add 0, delete 0, find 0/0
[  622.141683] Free swap  = 0kB
[  622.145482]  ? kvm_clock_read+0x18/0x30
[  622.154033] Total swap = 0kB
[  622.157833]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  622.161605] 1965979 pages RAM
[  622.165052]  ? print_usage_bug+0xc0/0xc0
[  622.169087] 0 pages HighMem/MovableOnly
[  622.174454]  ? __lock_acquire+0x62f/0x4c20
[  622.177458] 342854 pages reserved
[  622.181438]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.184437] 0 pages cma reserved
[  622.189454]  ? should_fail+0x22d/0xd01
[  622.192653] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  622.196605]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  622.196623]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.200719] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  622.204806]  ? __lock_acquire+0x62f/0x4c20
[  622.208235] rsyslogd cpuset=/ mems_allowed=0
[  622.213766]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  622.261928]  ? __lock_acquire+0x62f/0x4c20
[  622.266163]  ? should_fail+0x22d/0xd01
[  622.270050]  ? rcu_irq_exit+0x1a2/0x390
[  622.274056]  ? mark_held_locks+0x130/0x130
[  622.278331]  ? mark_held_locks+0x130/0x130
[  622.282572]  ? mark_held_locks+0xc7/0x130
[  622.286720]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  622.291738]  ? zap_class+0x640/0x640
[  622.295477]  ? print_usage_bug+0xc0/0xc0
[  622.299545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.305102]  ? check_preemption_disabled+0x48/0x280
[  622.310130]  ? __lock_is_held+0xb5/0x140
[  622.314217]  __alloc_pages_nodemask+0xad8/0xea0
[  622.318902]  ? zap_class+0x640/0x640
[  622.322644]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  622.327673]  ? find_held_lock+0x36/0x1c0
[  622.331744]  ? ____cache_alloc_node+0x1c7/0x1e0
[  622.336421]  ? lock_downgrade+0x900/0x900
[  622.340593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.346141]  cache_grow_begin+0xa5/0x8c0
[  622.350202]  ? do_raw_spin_unlock+0xa7/0x330
[  622.354622]  fallback_alloc+0x204/0x2e0
[  622.358604]  ____cache_alloc_node+0x1c7/0x1e0
[  622.363107]  kmem_cache_alloc_node+0xe3/0x730
[  622.367635]  ? ipv6_get_ifaddr+0x42e/0x620
[  622.371885]  __alloc_skb+0x119/0x770
[  622.375607]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  622.380888]  ? netdev_alloc_frag+0x1f0/0x1f0
[  622.385302]  ? lock_downgrade+0x900/0x900
[  622.389484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.395035]  ? refcount_sub_and_test_checked+0x203/0x310
[  622.400492]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  622.405946]  ? addrconf_rs_timer+0x690/0x690
[  622.410383]  ndisc_alloc_skb+0x144/0x340
[  622.414471]  ndisc_send_rs+0x331/0x6e0
[  622.418366]  addrconf_rs_timer+0x314/0x690
[  622.422607]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  622.426867]  call_timer_fn+0x272/0x920
[  622.430754]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  622.434997]  ? process_timeout+0x40/0x40
[  622.439067]  ? __run_timers+0x7da/0xc70
[  622.443045]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.447538]  ? _raw_spin_unlock_irq+0x27/0x80
[  622.452038]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  622.456277]  ? lockdep_hardirqs_on+0x296/0x5b0
[  622.460865]  ? trace_hardirqs_on+0xbd/0x310
[  622.465188]  ? kasan_check_read+0x11/0x20
[  622.469334]  ? __run_timers+0x7da/0xc70
[  622.473310]  ? trace_hardirqs_off_caller+0x310/0x310
[  622.478438]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  622.482672]  __run_timers+0x7e5/0xc70
[  622.486485]  ? timer_fixup_init+0x70/0x70
[  622.490639]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  622.495671]  ? zap_class+0x640/0x640
[  622.499401]  ? enqueue_hrtimer+0x1a5/0x560
[  622.503650]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  622.508851]  ? find_held_lock+0x36/0x1c0
[  622.512923]  ? zap_class+0x640/0x640
[  622.516641]  ? pvclock_read_flags+0x160/0x160
[  622.521147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.526685]  ? check_preemption_disabled+0x48/0x280
[  622.531716]  ? __lock_is_held+0xb5/0x140
[  622.535789]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.541330]  ? check_preemption_disabled+0x48/0x280
[  622.546356]  run_timer_softirq+0x52/0xb0
[  622.550419]  ? rcu_read_lock_sched_held+0x14f/0x180
[  622.555457]  __do_softirq+0x308/0xb7e
[  622.559269]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  622.563766]  ? lock_downgrade+0x900/0x900
[  622.567936]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  622.573050]  ? pvclock_read_flags+0x160/0x160
[  622.577550]  ? lapic_next_event+0x5a/0x90
[  622.581706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.587250]  ? kvm_clock_read+0x18/0x30
[  622.591223]  ? kvm_sched_clock_read+0x9/0x20
[  622.595633]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.601174]  ? check_preemption_disabled+0x48/0x280
[  622.606203]  irq_exit+0x17f/0x1c0
[  622.609662]  smp_apic_timer_interrupt+0x1cb/0x760
[  622.614505]  ? smp_reschedule_interrupt+0x109/0x650
[  622.619525]  ? smp_call_function_single_interrupt+0x650/0x650
[  622.625414]  ? interrupt_entry+0xb5/0xc0
[  622.629489]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.634509]  ? trace_hardirqs_off_caller+0xbb/0x310
[  622.639531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.644376]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.649391]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.654423]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.659303]  apic_timer_interrupt+0xf/0x20
[  622.663550]  </IRQ>
[  622.665811] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  622.670745] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  622.689655] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  622.697364] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  622.704633] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  622.711903] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  622.719172] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  622.726452] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  622.733770]  skb_clone+0x1bb/0x500
[  622.737324]  ? finish_task_switch+0x2f4/0x910
[  622.741827]  ? skb_split+0x11e0/0x11e0
[  622.745723]  ? preempt_notifier_register+0x200/0x200
[  622.750826]  ? __switch_to_asm+0x34/0x70
[  622.754888]  ? __switch_to_asm+0x34/0x70
[  622.758947]  ? __switch_to_asm+0x40/0x70
[  622.763009]  ? __switch_to_asm+0x34/0x70
[  622.767069]  ? __switch_to_asm+0x40/0x70
[  622.771126]  ? __switch_to_asm+0x34/0x70
[  622.775184]  ? __switch_to_asm+0x40/0x70
[  622.779246]  ? __switch_to_asm+0x34/0x70
[  622.783309]  ? __switch_to_asm+0x34/0x70
[  622.787370]  ? __switch_to_asm+0x40/0x70
[  622.791427]  ? __switch_to_asm+0x34/0x70
[  622.795524]  bpf_clone_redirect+0xb9/0x490
[  622.799761]  ? __schedule+0x8d7/0x21d0
[  622.803659]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  622.808678]  ? __sched_text_start+0x8/0x8
[  622.812832]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  622.817412]  ? retint_kernel+0x2d/0x2d
[  622.821309]  ? trace_hardirqs_on_caller+0xc0/0x310
[  622.826247]  ? find_held_lock+0x36/0x1c0
[  622.830321]  ? lock_acquire+0x1ed/0x520
[  622.834296]  ? bpf_test_run+0x3ee/0x7a0
[  622.838293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  622.843834]  ? check_preemption_disabled+0x48/0x280
[  622.848872]  ? kasan_check_read+0x11/0x20
[  622.853019]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  622.858305]  ? rcu_softirq_qs+0x20/0x20
[  622.862289]  ? preempt_schedule+0x4d/0x60
[  622.866450]  ? ___preempt_schedule+0x16/0x18
[  622.870866]  ? bpf_test_run+0x271/0x7a0
[  622.874858]  ? netlink_diag_dump+0x2a0/0x2a0
[  622.879274]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  622.884819]  ? bpf_test_init.isra.10+0x70/0x100
[  622.889509]  ? bpf_prog_test_run_skb+0x762/0xd60
[  622.894275]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  622.899124]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  622.904660]  ? fput+0x130/0x1a0
[  622.908099]  ? __bpf_prog_get+0x9b/0x290
[  622.912167]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  622.917014]  ? bpf_prog_test_run+0x130/0x1a0
[  622.921454]  ? __x64_sys_bpf+0x3d8/0x520
[  622.925519]  ? bpf_prog_get+0x20/0x20
[  622.929341]  ? do_syscall_64+0x1b9/0x820
[  622.933401]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  622.938778]  ? syscall_return_slowpath+0x5e0/0x5e0
[  622.943718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.948565]  ? trace_hardirqs_on_caller+0x310/0x310
[  622.953590]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  622.958614]  ? prepare_exit_to_usermode+0x291/0x3b0
[  622.963642]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  622.968495]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  622.973882] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  622.973954] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  622.980646] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  622.980655] Call Trace:
[  622.987288] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  622.996488]  <IRQ>
[  622.996517]  dump_stack+0x244/0x39d
[  622.999225] syz-executor4 cpuset=syz4 mems_allowed=0
[  623.009715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  623.009743]  warn_alloc.cold.116+0xb7/0x1bd
[  623.030166]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  623.035019]  ? lock_downgrade+0x900/0x900
[  623.039179]  ? trace_hardirqs_off+0xb8/0x310
[  623.043601]  ? trace_hardirqs_off+0xb8/0x310
[  623.048029]  __alloc_pages_slowpath+0x2651/0x2de0
[  623.052906]  ? warn_alloc+0x120/0x120
[  623.056715]  ? warn_alloc+0x120/0x120
[  623.060521]  ? warn_alloc+0x120/0x120
[  623.064332]  ? print_usage_bug+0xc0/0xc0
[  623.068410]  ? print_usage_bug+0xc0/0xc0
[  623.072489]  ? mark_held_locks+0x130/0x130
[  623.076732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.082276]  ? should_fail+0x22d/0xd01
[  623.086171]  ? __lock_acquire+0x62f/0x4c20
[  623.090409]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  623.095524]  ? __lock_acquire+0x62f/0x4c20
[  623.099765]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  623.104873]  ? __lock_acquire+0x62f/0x4c20
[  623.109113]  ? should_fail+0x22d/0xd01
[  623.113015]  ? mark_held_locks+0x130/0x130
[  623.117257]  ? mark_held_locks+0x130/0x130
[  623.121511]  ? zap_class+0x640/0x640
[  623.125233]  ? zap_class+0x640/0x640
[  623.128951]  ? check_preemption_disabled+0x48/0x280
[  623.133974]  ? zap_class+0x640/0x640
[  623.137688]  ? print_usage_bug+0xc0/0xc0
[  623.141758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.147310]  ? check_preemption_disabled+0x48/0x280
[  623.152343]  ? __lock_is_held+0xb5/0x140
[  623.156416]  __alloc_pages_nodemask+0xad8/0xea0
[  623.161098]  ? zap_class+0x640/0x640
[  623.164830]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  623.169858]  ? find_held_lock+0x36/0x1c0
[  623.173929]  ? ____cache_alloc_node+0x1c7/0x1e0
[  623.178600]  ? lock_downgrade+0x900/0x900
[  623.182932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.188685]  cache_grow_begin+0xa5/0x8c0
[  623.192770]  ? do_raw_spin_unlock+0xa7/0x330
[  623.197187]  fallback_alloc+0x204/0x2e0
[  623.201170]  ____cache_alloc_node+0x1c7/0x1e0
[  623.205676]  kmem_cache_alloc_node+0xe3/0x730
[  623.210173]  ? ipv6_get_ifaddr+0x42e/0x620
[  623.214417]  __alloc_skb+0x119/0x770
[  623.218151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.223439]  ? netdev_alloc_frag+0x1f0/0x1f0
[  623.227886]  ? lock_downgrade+0x900/0x900
[  623.232044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.237594]  ? refcount_sub_and_test_checked+0x203/0x310
[  623.243052]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  623.248507]  ? addrconf_rs_timer+0x690/0x690
[  623.252930]  ndisc_alloc_skb+0x144/0x340
[  623.257006]  ndisc_send_rs+0x331/0x6e0
[  623.260903]  addrconf_rs_timer+0x314/0x690
[  623.265147]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.269393]  call_timer_fn+0x272/0x920
[  623.273292]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.277527]  ? process_timeout+0x40/0x40
[  623.281609]  ? mark_held_locks+0xc7/0x130
[  623.285764]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.290270]  ? _raw_spin_unlock_irq+0x27/0x80
[  623.294783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.299033]  ? lockdep_hardirqs_on+0x296/0x5b0
[  623.303617]  ? trace_hardirqs_on+0xbd/0x310
[  623.307937]  ? kasan_check_read+0x11/0x20
[  623.312084]  ? __run_timers+0x7da/0xc70
[  623.316060]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.321178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  623.325413]  __run_timers+0x7e5/0xc70
[  623.329234]  ? timer_fixup_init+0x70/0x70
[  623.333390]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  623.338411]  ? zap_class+0x640/0x640
[  623.342152]  ? print_usage_bug+0xc0/0xc0
[  623.346215]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  623.351451]  ? find_held_lock+0x36/0x1c0
[  623.355521]  ? zap_class+0x640/0x640
[  623.359256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.364796]  ? check_preemption_disabled+0x48/0x280
[  623.369828]  ? __lock_is_held+0xb5/0x140
[  623.373920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.379468]  ? check_preemption_disabled+0x48/0x280
[  623.384491]  run_timer_softirq+0x52/0xb0
[  623.388582]  ? rcu_read_lock_sched_held+0x14f/0x180
[  623.393626]  __do_softirq+0x308/0xb7e
[  623.397439]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  623.401936]  ? lock_downgrade+0x900/0x900
[  623.406097]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  623.411212]  ? pvclock_read_flags+0x160/0x160
[  623.415713]  ? lapic_next_event+0x5a/0x90
[  623.419878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.425454]  ? kvm_clock_read+0x18/0x30
[  623.429444]  ? kvm_sched_clock_read+0x9/0x20
[  623.433858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.439401]  ? check_preemption_disabled+0x48/0x280
[  623.444444]  irq_exit+0x17f/0x1c0
[  623.447944]  smp_apic_timer_interrupt+0x1cb/0x760
[  623.452789]  ? smp_call_function_single_interrupt+0x650/0x650
[  623.458686]  ? interrupt_entry+0xb5/0xc0
[  623.462752]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.467784]  ? trace_hardirqs_off_caller+0xbb/0x310
[  623.472802]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.477646]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.482665]  ? trace_hardirqs_on_caller+0x310/0x310
[  623.487680]  ? task_prio+0x50/0x50
[  623.491224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.496777]  ? check_preemption_disabled+0x48/0x280
[  623.501800]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  623.506651]  apic_timer_interrupt+0xf/0x20
[  623.510880]  </IRQ>
[  623.513136] RIP: 0010:dump_stack+0x358/0x39d
[  623.517546] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  623.536464] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  623.544175] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  623.551453] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  623.558745] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  623.566014] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  623.573288] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  623.580585]  ? dump_stack+0x34f/0x39d
[  623.584404]  ? dump_stack_print_info.cold.1+0x20/0x20
[  623.589610]  ? mark_held_locks+0x130/0x130
[  623.593847]  ? mark_held_locks+0x130/0x130
[  623.598088]  dump_header+0x27b/0xf72
[  623.601824]  ? pagefault_out_of_memory+0x197/0x197
[  623.606766]  ? __lock_acquire+0x62f/0x4c20
[  623.611013]  ? percpu_ref_get_many+0x240/0x240
[  623.615597]  ? print_usage_bug+0xc0/0xc0
[  623.619660]  ? zap_class+0x640/0x640
[  623.623373]  ? print_usage_bug+0xc0/0xc0
[  623.627442]  ? print_usage_bug+0xc0/0xc0
[  623.631512]  ? zap_class+0x640/0x640
[  623.635235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.640776]  ? find_held_lock+0x36/0x1c0
[  623.644852]  ? mark_held_locks+0xc7/0x130
[  623.649003]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.654122]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  623.659250]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  623.663854]  ? trace_hardirqs_on+0xbd/0x310
[  623.668182]  ? kasan_check_read+0x11/0x20
[  623.672333]  ? ___ratelimit+0x3b4/0x672
[  623.676315]  ? trace_hardirqs_off_caller+0x310/0x310
[  623.681420]  ? trace_hardirqs_on+0x310/0x310
[  623.685843]  ? lock_downgrade+0x900/0x900
[  623.690000]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  623.695123]  ? ___ratelimit+0x3b9/0x672
[  623.699102]  ? idr_get_free+0xf70/0xf70
[  623.703081]  ? find_held_lock+0x36/0x1c0
[  623.707155]  oom_kill_process.cold.27+0x10/0x903
[  623.711916]  ? zap_class+0x640/0x640
[  623.715632]  ? check_preemption_disabled+0x48/0x280
[  623.720654]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.725588]  ? kasan_check_read+0x11/0x20
[  623.729737]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.735019]  ? oom_evaluate_task+0x540/0x540
[  623.739445]  ? find_held_lock+0x36/0x1c0
[  623.743526]  ? out_of_memory+0x974/0x1430
[  623.747680]  ? lock_downgrade+0x900/0x900
[  623.751834]  ? check_preemption_disabled+0x48/0x280
[  623.756855]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.761785]  ? kasan_check_read+0x11/0x20
[  623.765936]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.771215]  ? rcu_softirq_qs+0x20/0x20
[  623.775491]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.781055]  ? oom_evaluate_task+0x302/0x540
[  623.785471]  out_of_memory+0xa84/0x1430
[  623.789510]  ? oom_killer_disable+0x3a0/0x3a0
[  623.794009]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  623.798956]  ? __ww_mutex_check_waiters+0x160/0x160
[  623.803987]  __alloc_pages_slowpath+0x232c/0x2de0
[  623.808862]  ? warn_alloc+0x120/0x120
[  623.812669]  ? mark_held_locks+0x130/0x130
[  623.816915]  ? find_get_entry+0xaae/0x1120
[  623.821174]  ? filemap_map_pages+0x1a20/0x1a20
[  623.826078]  ? zap_class+0x640/0x640
[  623.829817]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  623.835368]  ? check_preemption_disabled+0x48/0x280
[  623.840389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.845927]  ? should_fail+0x22d/0xd01
[  623.849823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  623.854966]  ? zap_class+0x640/0x640
[  623.858708]  ? __lock_is_held+0xb5/0x140
[  623.862780]  ? mark_held_locks+0x130/0x130
[  623.867046]  ? lock_release+0xa00/0xa00
[  623.871021]  ? perf_trace_sched_process_exec+0x860/0x860
[  623.876480]  ? xa_load+0x2ba/0x460
[  623.880175]  ? lock_downgrade+0x900/0x900
[  623.884333]  ? __might_sleep+0x95/0x190
[  623.888420]  __alloc_pages_nodemask+0xad8/0xea0
[  623.893110]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  623.898130]  ? __page_cache_alloc+0x191/0x5c0
[  623.902656]  ? xa_load+0x2e1/0x460
[  623.906201]  ? xa_clear_mark+0x40/0x40
[  623.910093]  ? zap_class+0x640/0x640
[  623.913819]  ? zap_class+0x640/0x640
[  623.917533]  ? zap_class+0x640/0x640
[  623.921247]  ? __do_page_cache_readahead+0x663/0x810
[  623.926357]  ? find_held_lock+0x36/0x1c0
[  623.930442]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  623.935993]  alloc_pages_current+0x173/0x350
[  623.940418]  __page_cache_alloc+0x38c/0x5c0
[  623.944747]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  623.949688]  ? kasan_check_read+0x11/0x20
[  623.953836]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  623.959128]  ? generic_perform_write+0x6a0/0x6a0
[  623.963890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  623.969448]  ? check_preemption_disabled+0x48/0x280
[  623.974478]  filemap_fault+0x1595/0x25f0
[  623.978555]  ? __lock_page_or_retry+0xa00/0xa00
[  623.983230]  ? mark_held_locks+0x130/0x130
[  623.987499]  ? filemap_map_pages+0xd6b/0x1a20
[  623.991998]  ? lock_downgrade+0x900/0x900
[  623.996145]  ? check_preemption_disabled+0x48/0x280
[  624.001197]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  624.006131]  ? kasan_check_read+0x11/0x20
[  624.010280]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.015565]  ? rcu_softirq_qs+0x20/0x20
[  624.019555]  ? filemap_map_pages+0xd92/0x1a20
[  624.024067]  ? find_get_entries_tag+0x1400/0x1400
[  624.028912]  ? __kernel_text_address+0xd/0x40
[  624.033411]  ? unwind_get_return_address+0x61/0xa0
[  624.038367]  ? lock_acquire+0x1ed/0x520
[  624.042346]  ? ext4_filemap_fault+0x7a/0xad
[  624.046679]  ? lock_release+0xa00/0xa00
[  624.050653]  ? perf_trace_sched_process_exec+0x860/0x860
[  624.056103]  ? print_usage_bug+0xc0/0xc0
[  624.060167]  ? print_usage_bug+0xc0/0xc0
[  624.064227]  ? __x64_sys_read+0x73/0xb0
[  624.068208]  ? print_usage_bug+0xc0/0xc0
[  624.072293]  ? down_read+0x8d/0x120
[  624.075919]  ? ext4_filemap_fault+0x7a/0xad
[  624.080247]  ? __down_interruptible+0x700/0x700
[  624.084924]  ext4_filemap_fault+0x82/0xad
[  624.089076]  __do_fault+0x100/0x6b0
[  624.092708]  ? trace_hardirqs_on+0xbd/0x310
[  624.097034]  ? pmd_devmap_trans_unstable+0x220/0x220
[  624.102147]  ? mark_held_locks+0x130/0x130
[  624.106386]  ? mark_held_locks+0x130/0x130
[  624.110623]  ? do_syslog+0x147b/0x1690
[  624.114533]  ? do_syslog+0x309/0x1690
[  624.118337]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.123885]  __handle_mm_fault+0x3ea0/0x5be0
[  624.128319]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  624.133168]  ? find_held_lock+0x36/0x1c0
[  624.137253]  ? zap_class+0x640/0x640
[  624.140983]  ? zap_class+0x640/0x640
[  624.144718]  ? find_held_lock+0x36/0x1c0
[  624.148793]  ? handle_mm_fault+0x42a/0xc70
[  624.153034]  ? lock_downgrade+0x900/0x900
[  624.157186]  ? check_preemption_disabled+0x48/0x280
[  624.162211]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  624.167141]  ? kasan_check_read+0x11/0x20
[  624.171293]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.176572]  ? rcu_softirq_qs+0x20/0x20
[  624.180551]  ? trace_hardirqs_off_caller+0x310/0x310
[  624.185657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.191201]  ? check_preemption_disabled+0x48/0x280
[  624.196229]  handle_mm_fault+0x54f/0xc70
[  624.200308]  ? __handle_mm_fault+0x5be0/0x5be0
[  624.204905]  ? find_vma+0x34/0x190
[  624.208472]  __do_page_fault+0x5e8/0xe60
[  624.212550]  ? trace_hardirqs_off+0xb8/0x310
[  624.216959]  ? kernel_write+0x120/0x120
[  624.220953]  do_page_fault+0xf2/0x7e0
[  624.224759]  ? vmalloc_sync_all+0x30/0x30
[  624.228921]  ? error_entry+0x70/0xd0
[  624.232641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  624.237658]  ? trace_hardirqs_on_caller+0xc0/0x310
[  624.242591]  ? syscall_return_slowpath+0x5e0/0x5e0
[  624.247525]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.252372]  ? trace_hardirqs_on_caller+0x310/0x310
[  624.257392]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  624.262890]  ? prepare_exit_to_usermode+0x291/0x3b0
[  624.267951]  ? page_fault+0x8/0x30
[  624.271512]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  624.276387]  ? page_fault+0x8/0x30
[  624.279949]  page_fault+0x1e/0x30
[  624.283401] RIP: 0033:0x7fe9f4ff21fd
[  624.287129] Code: Bad RIP value.
[  624.290505] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  624.295863] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  624.303126] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  624.310391] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  624.317655] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  624.324925] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  624.332219] warn_alloc_show_mem: 1 callbacks suppressed
[  624.332246] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  624.332248] Mem-Info:
[  624.332277] active_anon:43385 inactive_anon:190 isolated_anon:0
[  624.332277]  active_file:9 inactive_file:19 isolated_file:0
[  624.332277]  unevictable:0 dirty:0 writeback:0 unstable:0
[  624.332277]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  624.332277]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  624.332277]  free:13722 free_pcp:438 free_cma:0
[  624.337637] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  624.337646] Call Trace:
[  624.344753] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  624.347154]  <IRQ>
[  624.379967] 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
[  624.389340]  dump_stack+0x244/0x39d
[  624.391897] lowmem_reserve[]: 0 2818 6321 6321
[  624.419406]  ? dump_stack_print_info.cold.1+0x20/0x20
[  624.421532] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  624.447661]  warn_alloc.cold.116+0xb7/0x1bd
[  624.451260] lowmem_reserve[]: 0 0 3503 3503
[  624.455837]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  624.461014] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  624.488611]  ? lock_downgrade+0x900/0x900
[  624.492907] lowmem_reserve[]: 0 0 0 0
[  624.497228]  ? trace_hardirqs_off+0xb8/0x310
[  624.502040] 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
[  624.531028]  ? trace_hardirqs_off+0xb8/0x310
[  624.535155] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  624.538970]  __alloc_pages_slowpath+0x2651/0x2de0
[  624.543349] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  624.556896]  ? warn_alloc+0x120/0x120
[  624.561263] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  624.576268]  ? print_usage_bug+0xc0/0xc0
[  624.581094] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  624.596613]  ? warn_alloc+0x120/0x120
[  624.600394] 272 total pagecache pages
[  624.609236]  ? warn_alloc+0x120/0x120
[  624.613288] 0 pages in swap cache
[  624.621851]  ? print_usage_bug+0xc0/0xc0
[  624.625647] Swap cache stats: add 0, delete 0, find 0/0
[  624.629444]  ? kvm_clock_read+0x18/0x30
[  624.633226] Free swap  = 0kB
[  624.636676]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  624.640709] Total swap = 0kB
[  624.646068]  ? print_usage_bug+0xc0/0xc0
[  624.650018] 1965979 pages RAM
[  624.653037]  ? __lock_acquire+0x62f/0x4c20
[  624.658038] 0 pages HighMem/MovableOnly
[  624.661055]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  624.665109] 342854 pages reserved
[  624.668237]  ? should_fail+0x22d/0xd01
[  624.672452] 0 pages cma reserved
[  624.676417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.681995] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  624.685411]  ? __lock_acquire+0x62f/0x4c20
[  624.689351] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  624.692640]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  624.697743] rsyslogd cpuset=/ mems_allowed=0
[  624.704263]  ? __lock_acquire+0x62f/0x4c20
[  624.732241]  ? should_fail+0x22d/0xd01
[  624.736150]  ? mark_held_locks+0x130/0x130
[  624.740389]  ? mark_held_locks+0x130/0x130
[  624.744629]  ? __lock_acquire+0x62f/0x4c20
[  624.748871]  ? zap_class+0x640/0x640
[  624.752588]  ? mark_held_locks+0x130/0x130
[  624.756821]  ? print_usage_bug+0xc0/0xc0
[  624.760891]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.766439]  ? check_preemption_disabled+0x48/0x280
[  624.771481]  ? __lock_is_held+0xb5/0x140
[  624.775574]  __alloc_pages_nodemask+0xad8/0xea0
[  624.780245]  ? zap_class+0x640/0x640
[  624.783964]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  624.788995]  ? find_held_lock+0x36/0x1c0
[  624.793067]  ? ____cache_alloc_node+0x1c7/0x1e0
[  624.797743]  ? lock_downgrade+0x900/0x900
[  624.801906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  624.807477]  cache_grow_begin+0xa5/0x8c0
[  624.811539]  ? do_raw_spin_unlock+0xa7/0x330
[  624.815962]  fallback_alloc+0x204/0x2e0
[  624.819945]  ____cache_alloc_node+0x1c7/0x1e0
[  624.824481]  kmem_cache_alloc_node+0xe3/0x730
[  624.828992]  ? do_raw_spin_unlock+0xa7/0x330
[  624.833437]  ? do_raw_spin_trylock+0x270/0x270
[  624.838032]  __alloc_skb+0x119/0x770
[  624.841753]  ? netdev_alloc_frag+0x1f0/0x1f0
[  624.846175]  ? atomic_notifier_call_chain+0xc6/0x190
[  624.851283]  ? lock_downgrade+0x900/0x900
[  624.855446]  ? check_preemption_disabled+0x48/0x280
[  624.860468]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  624.865397]  ? kasan_check_read+0x11/0x20
[  624.869554]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  624.874855]  ? rcu_softirq_qs+0x20/0x20
[  624.878832]  ? kasan_check_read+0x11/0x20
[  624.882995]  ? do_raw_write_trylock+0x270/0x270
[  624.887745]  __neigh_notify+0x8c/0x160
[  624.891646]  ? neigh_connected_output+0x780/0x780
[  624.896508]  neigh_timer_handler+0x6cb/0xdf0
[  624.900920]  ? check_preemption_disabled+0x48/0x280
[  624.906161]  ? neigh_periodic_work+0xc60/0xc60
[  624.910747]  ? __lock_is_held+0xb5/0x140
[  624.914824]  call_timer_fn+0x272/0x920
[  624.918714]  ? neigh_periodic_work+0xc60/0xc60
[  624.923296]  ? process_timeout+0x40/0x40
[  624.927373]  ? __run_timers+0x7da/0xc70
[  624.931349]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.935851]  ? _raw_spin_unlock_irq+0x27/0x80
[  624.940352]  ? neigh_periodic_work+0xc60/0xc60
[  624.944954]  ? lockdep_hardirqs_on+0x296/0x5b0
[  624.949544]  ? trace_hardirqs_on+0xbd/0x310
[  624.953870]  ? kasan_check_read+0x11/0x20
[  624.958019]  ? __run_timers+0x7da/0xc70
[  624.962084]  ? trace_hardirqs_off_caller+0x310/0x310
[  624.967200]  ? neigh_periodic_work+0xc60/0xc60
[  624.971785]  __run_timers+0x7e5/0xc70
[  624.975598]  ? timer_fixup_init+0x70/0x70
[  624.979749]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  624.984773]  ? zap_class+0x640/0x640
[  624.988499]  ? enqueue_hrtimer+0x1a5/0x560
[  624.992741]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  624.997944]  ? find_held_lock+0x36/0x1c0
[  625.002014]  ? zap_class+0x640/0x640
[  625.005737]  ? pvclock_read_flags+0x160/0x160
[  625.010242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.015792]  ? check_preemption_disabled+0x48/0x280
[  625.020825]  ? __lock_is_held+0xb5/0x140
[  625.024892]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.030437]  ? check_preemption_disabled+0x48/0x280
[  625.035473]  run_timer_softirq+0x52/0xb0
[  625.039541]  ? rcu_read_lock_sched_held+0x14f/0x180
[  625.044559]  __do_softirq+0x308/0xb7e
[  625.048365]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  625.052860]  ? lock_downgrade+0x900/0x900
[  625.057017]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  625.062145]  ? pvclock_read_flags+0x160/0x160
[  625.066691]  ? lapic_next_event+0x5a/0x90
[  625.070852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.076396]  ? kvm_clock_read+0x18/0x30
[  625.080379]  ? kvm_sched_clock_read+0x9/0x20
[  625.084893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.090444]  ? check_preemption_disabled+0x48/0x280
[  625.095477]  irq_exit+0x17f/0x1c0
[  625.098936]  smp_apic_timer_interrupt+0x1cb/0x760
[  625.103788]  ? smp_reschedule_interrupt+0x109/0x650
[  625.108814]  ? smp_call_function_single_interrupt+0x650/0x650
[  625.114699]  ? interrupt_entry+0xb5/0xc0
[  625.118765]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.123791]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.128813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.133657]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.138674]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.143703]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.148558]  apic_timer_interrupt+0xf/0x20
[  625.152793]  </IRQ>
[  625.155048] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  625.159978] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  625.178874] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  625.186595] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  625.193862] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  625.201133] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  625.208399] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  625.215696] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  625.223015]  skb_clone+0x1bb/0x500
[  625.226559]  ? finish_task_switch+0x2f4/0x910
[  625.231058]  ? skb_split+0x11e0/0x11e0
[  625.234965]  ? preempt_notifier_register+0x200/0x200
[  625.240063]  ? __switch_to_asm+0x34/0x70
[  625.244124]  ? __switch_to_asm+0x34/0x70
[  625.248185]  ? __switch_to_asm+0x40/0x70
[  625.252244]  ? __switch_to_asm+0x34/0x70
[  625.256305]  ? __switch_to_asm+0x40/0x70
[  625.260365]  ? __switch_to_asm+0x34/0x70
[  625.264423]  ? __switch_to_asm+0x40/0x70
[  625.268493]  ? __switch_to_asm+0x34/0x70
[  625.272557]  ? __switch_to_asm+0x34/0x70
[  625.276644]  ? __switch_to_asm+0x40/0x70
[  625.280709]  ? __switch_to_asm+0x34/0x70
[  625.284779]  bpf_clone_redirect+0xb9/0x490
[  625.289022]  ? __schedule+0x8d7/0x21d0
[  625.292914]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  625.297933]  ? __sched_text_start+0x8/0x8
[  625.302090]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  625.306676]  ? retint_kernel+0x2d/0x2d
[  625.310568]  ? trace_hardirqs_on_caller+0xc0/0x310
[  625.315505]  ? find_held_lock+0x36/0x1c0
[  625.319574]  ? lock_acquire+0x1ed/0x520
[  625.323552]  ? bpf_test_run+0x3ee/0x7a0
[  625.327531]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.333073]  ? check_preemption_disabled+0x48/0x280
[  625.338100]  ? kasan_check_read+0x11/0x20
[  625.342264]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.347540]  ? rcu_softirq_qs+0x20/0x20
[  625.351523]  ? preempt_schedule+0x4d/0x60
[  625.355674]  ? ___preempt_schedule+0x16/0x18
[  625.360090]  ? bpf_test_run+0x271/0x7a0
[  625.364077]  ? netlink_diag_dump+0x2a0/0x2a0
[  625.368489]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.374028]  ? bpf_test_init.isra.10+0x70/0x100
[  625.378704]  ? bpf_prog_test_run_skb+0x762/0xd60
[  625.383491]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  625.388346]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  625.393899]  ? fput+0x130/0x1a0
[  625.397183]  ? __bpf_prog_get+0x9b/0x290
[  625.401262]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  625.406108]  ? bpf_prog_test_run+0x130/0x1a0
[  625.410525]  ? __x64_sys_bpf+0x3d8/0x520
[  625.414585]  ? bpf_prog_get+0x20/0x20
[  625.418413]  ? do_syscall_64+0x1b9/0x820
[  625.422481]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  625.427893]  ? syscall_return_slowpath+0x5e0/0x5e0
[  625.432824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.437671]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.442692]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  625.447728]  ? prepare_exit_to_usermode+0x291/0x3b0
[  625.452755]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.457611]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  625.462997] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  625.463331] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  625.469773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  625.480251] syz-executor4 cpuset=syz4 mems_allowed=0
[  625.489606] Call Trace:
[  625.497311]  <IRQ>
[  625.499487]  dump_stack+0x244/0x39d
[  625.503121]  ? dump_stack_print_info.cold.1+0x20/0x20
[  625.508329]  warn_alloc.cold.116+0xb7/0x1bd
[  625.512651]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  625.517505]  ? lock_downgrade+0x900/0x900
[  625.521680]  ? trace_hardirqs_off+0xb8/0x310
[  625.526107]  ? trace_hardirqs_off+0xb8/0x310
[  625.530527]  __alloc_pages_slowpath+0x2651/0x2de0
[  625.535396]  ? warn_alloc+0x120/0x120
[  625.539197]  ? print_usage_bug+0xc0/0xc0
[  625.543520]  ? warn_alloc+0x120/0x120
[  625.547324]  ? warn_alloc+0x120/0x120
[  625.551139]  ? print_usage_bug+0xc0/0xc0
[  625.555213]  ? print_usage_bug+0xc0/0xc0
[  625.559275]  ? __lock_acquire+0x62f/0x4c20
[  625.563554]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.569095]  ? should_fail+0x22d/0xd01
[  625.572992]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.578098]  ? __lock_acquire+0x62f/0x4c20
[  625.582341]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  625.587456]  ? __lock_acquire+0x62f/0x4c20
[  625.591691]  ? should_fail+0x22d/0xd01
[  625.595591]  ? mark_held_locks+0x130/0x130
[  625.599836]  ? mark_held_locks+0x130/0x130
[  625.604088]  ? zap_class+0x640/0x640
[  625.607839]  ? zap_class+0x640/0x640
[  625.611568]  ? print_usage_bug+0xc0/0xc0
[  625.615633]  ? wq_watchdog_touch+0x9c/0xfe
[  625.619873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.625411]  ? check_preemption_disabled+0x48/0x280
[  625.630482]  ? __lock_is_held+0xb5/0x140
[  625.634551]  __alloc_pages_nodemask+0xad8/0xea0
[  625.639221]  ? zap_class+0x640/0x640
[  625.642941]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  625.647975]  ? find_held_lock+0x36/0x1c0
[  625.652049]  ? ____cache_alloc_node+0x1c7/0x1e0
[  625.656720]  ? lock_downgrade+0x900/0x900
[  625.660898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.666446]  cache_grow_begin+0xa5/0x8c0
[  625.670527]  ? do_raw_spin_unlock+0xa7/0x330
[  625.674946]  fallback_alloc+0x204/0x2e0
[  625.678936]  ____cache_alloc_node+0x1c7/0x1e0
[  625.683445]  kmem_cache_alloc_node+0xe3/0x730
[  625.687957]  ? ipv6_get_ifaddr+0x42e/0x620
[  625.692203]  __alloc_skb+0x119/0x770
[  625.695918]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  625.701337]  ? netdev_alloc_frag+0x1f0/0x1f0
[  625.705754]  ? lock_downgrade+0x900/0x900
[  625.709913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.715467]  ? refcount_sub_and_test_checked+0x203/0x310
[  625.720924]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  625.726387]  ? addrconf_rs_timer+0x690/0x690
[  625.730811]  ndisc_alloc_skb+0x144/0x340
[  625.734894]  ndisc_send_rs+0x331/0x6e0
[  625.738792]  addrconf_rs_timer+0x314/0x690
[  625.743037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.747299]  call_timer_fn+0x272/0x920
[  625.751187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.755424]  ? process_timeout+0x40/0x40
[  625.759508]  ? mark_held_locks+0xc7/0x130
[  625.763658]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.768158]  ? _raw_spin_unlock_irq+0x27/0x80
[  625.772654]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.777178]  ? lockdep_hardirqs_on+0x296/0x5b0
[  625.781768]  ? trace_hardirqs_on+0xbd/0x310
[  625.786097]  ? kasan_check_read+0x11/0x20
[  625.790244]  ? __run_timers+0x7da/0xc70
[  625.794223]  ? trace_hardirqs_off_caller+0x310/0x310
[  625.799346]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  625.803581]  __run_timers+0x7e5/0xc70
[  625.807397]  ? timer_fixup_init+0x70/0x70
[  625.811569]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  625.816591]  ? zap_class+0x640/0x640
[  625.820318]  ? print_usage_bug+0xc0/0xc0
[  625.824397]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  625.829625]  ? find_held_lock+0x36/0x1c0
[  625.833716]  ? zap_class+0x640/0x640
[  625.837445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.842989]  ? check_preemption_disabled+0x48/0x280
[  625.848017]  ? __lock_is_held+0xb5/0x140
[  625.852081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.857622]  ? check_preemption_disabled+0x48/0x280
[  625.862653]  run_timer_softirq+0x52/0xb0
[  625.866718]  ? rcu_read_lock_sched_held+0x14f/0x180
[  625.871740]  __do_softirq+0x308/0xb7e
[  625.875547]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  625.880046]  ? lock_downgrade+0x900/0x900
[  625.884201]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  625.889320]  ? pvclock_read_flags+0x160/0x160
[  625.893816]  ? lapic_next_event+0x5a/0x90
[  625.897971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.903515]  ? kvm_clock_read+0x18/0x30
[  625.908025]  ? kvm_sched_clock_read+0x9/0x20
[  625.912468]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  625.918025]  ? check_preemption_disabled+0x48/0x280
[  625.923055]  irq_exit+0x17f/0x1c0
[  625.926530]  smp_apic_timer_interrupt+0x1cb/0x760
[  625.931378]  ? smp_call_function_single_interrupt+0x650/0x650
[  625.937276]  ? interrupt_entry+0xb5/0xc0
[  625.941347]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.946368]  ? trace_hardirqs_off_caller+0xbb/0x310
[  625.951391]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.956237]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.961290]  ? trace_hardirqs_on_caller+0x310/0x310
[  625.966312]  ? task_prio+0x50/0x50
[  625.969889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  625.975428]  ? check_preemption_disabled+0x48/0x280
[  625.980469]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  625.985743]  apic_timer_interrupt+0xf/0x20
[  625.989973]  </IRQ>
[  625.992225] RIP: 0010:dump_stack+0x358/0x39d
[  625.996636] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  626.015544] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  626.023263] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  626.030544] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  626.037815] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  626.045082] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  626.052352] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  626.059650]  ? dump_stack+0x34f/0x39d
[  626.063503]  ? dump_stack_print_info.cold.1+0x20/0x20
[  626.068698]  ? mark_held_locks+0x130/0x130
[  626.072935]  ? mark_held_locks+0x130/0x130
[  626.077197]  dump_header+0x27b/0xf72
[  626.080927]  ? pagefault_out_of_memory+0x197/0x197
[  626.085866]  ? __lock_acquire+0x62f/0x4c20
[  626.090104]  ? percpu_ref_get_many+0x240/0x240
[  626.094693]  ? print_usage_bug+0xc0/0xc0
[  626.098765]  ? zap_class+0x640/0x640
[  626.102483]  ? print_usage_bug+0xc0/0xc0
[  626.106543]  ? print_usage_bug+0xc0/0xc0
[  626.110610]  ? zap_class+0x640/0x640
[  626.114331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.119907]  ? find_held_lock+0x36/0x1c0
[  626.123993]  ? mark_held_locks+0xc7/0x130
[  626.128146]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  626.133277]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  626.138387]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  626.142973]  ? trace_hardirqs_on+0xbd/0x310
[  626.147301]  ? kasan_check_read+0x11/0x20
[  626.151458]  ? ___ratelimit+0x3b4/0x672
[  626.155442]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.160565]  ? trace_hardirqs_on+0x310/0x310
[  626.164987]  ? lock_downgrade+0x900/0x900
[  626.169144]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  626.174245]  ? ___ratelimit+0x3b9/0x672
[  626.178218]  ? idr_get_free+0xf70/0xf70
[  626.182193]  ? find_held_lock+0x36/0x1c0
[  626.186264]  oom_kill_process.cold.27+0x10/0x903
[  626.191024]  ? zap_class+0x640/0x640
[  626.194739]  ? check_preemption_disabled+0x48/0x280
[  626.199761]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.204687]  ? kasan_check_read+0x11/0x20
[  626.208835]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.214119]  ? oom_evaluate_task+0x540/0x540
[  626.218540]  ? find_held_lock+0x36/0x1c0
[  626.222628]  ? out_of_memory+0x974/0x1430
[  626.226779]  ? lock_downgrade+0x900/0x900
[  626.231018]  ? check_preemption_disabled+0x48/0x280
[  626.236042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.240989]  ? kasan_check_read+0x11/0x20
[  626.245138]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.250413]  ? rcu_softirq_qs+0x20/0x20
[  626.254417]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.259980]  ? oom_evaluate_task+0x302/0x540
[  626.264644]  out_of_memory+0xa84/0x1430
[  626.268630]  ? oom_killer_disable+0x3a0/0x3a0
[  626.273127]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  626.278457]  ? __ww_mutex_check_waiters+0x160/0x160
[  626.283583]  __alloc_pages_slowpath+0x232c/0x2de0
[  626.288918]  ? warn_alloc+0x120/0x120
[  626.292735]  ? mark_held_locks+0x130/0x130
[  626.297187]  ? find_get_entry+0xaae/0x1120
[  626.302011]  ? filemap_map_pages+0x1a20/0x1a20
[  626.306601]  ? zap_class+0x640/0x640
[  626.310338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  626.316593]  ? check_preemption_disabled+0x48/0x280
[  626.322426]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.328010]  ? should_fail+0x22d/0xd01
[  626.331944]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  626.337711]  ? zap_class+0x640/0x640
[  626.341474]  ? __lock_is_held+0xb5/0x140
[  626.345691]  ? mark_held_locks+0x130/0x130
[  626.349933]  ? lock_release+0xa00/0xa00
[  626.353910]  ? perf_trace_sched_process_exec+0x860/0x860
[  626.359366]  ? xa_load+0x2ba/0x460
[  626.362909]  ? lock_downgrade+0x900/0x900
[  626.367066]  ? __might_sleep+0x95/0x190
[  626.371054]  __alloc_pages_nodemask+0xad8/0xea0
[  626.375738]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  626.380762]  ? __page_cache_alloc+0x191/0x5c0
[  626.385259]  ? xa_load+0x2e1/0x460
[  626.388811]  ? xa_clear_mark+0x40/0x40
[  626.392707]  ? zap_class+0x640/0x640
[  626.396440]  ? zap_class+0x640/0x640
[  626.400159]  ? zap_class+0x640/0x640
[  626.403879]  ? __do_page_cache_readahead+0x663/0x810
[  626.408989]  ? find_held_lock+0x36/0x1c0
[  626.413103]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  626.418651]  alloc_pages_current+0x173/0x350
[  626.423081]  __page_cache_alloc+0x38c/0x5c0
[  626.427408]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.432347]  ? kasan_check_read+0x11/0x20
[  626.436502]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.441793]  ? generic_perform_write+0x6a0/0x6a0
[  626.446559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.452118]  ? check_preemption_disabled+0x48/0x280
[  626.457150]  filemap_fault+0x1595/0x25f0
[  626.461227]  ? __lock_page_or_retry+0xa00/0xa00
[  626.465904]  ? mark_held_locks+0x130/0x130
[  626.470169]  ? filemap_map_pages+0xd6b/0x1a20
[  626.474671]  ? lock_downgrade+0x900/0x900
[  626.478824]  ? check_preemption_disabled+0x48/0x280
[  626.483845]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.488780]  ? kasan_check_read+0x11/0x20
[  626.492929]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.498212]  ? rcu_softirq_qs+0x20/0x20
[  626.502214]  ? filemap_map_pages+0xd92/0x1a20
[  626.506728]  ? find_get_entries_tag+0x1400/0x1400
[  626.511574]  ? __kernel_text_address+0xd/0x40
[  626.516072]  ? unwind_get_return_address+0x61/0xa0
[  626.521020]  ? lock_acquire+0x1ed/0x520
[  626.525009]  ? ext4_filemap_fault+0x7a/0xad
[  626.529341]  ? lock_release+0xa00/0xa00
[  626.533333]  ? perf_trace_sched_process_exec+0x860/0x860
[  626.538797]  ? print_usage_bug+0xc0/0xc0
[  626.542876]  ? print_usage_bug+0xc0/0xc0
[  626.546941]  ? __x64_sys_read+0x73/0xb0
[  626.550923]  ? print_usage_bug+0xc0/0xc0
[  626.554999]  ? down_read+0x8d/0x120
[  626.558625]  ? ext4_filemap_fault+0x7a/0xad
[  626.562949]  ? __down_interruptible+0x700/0x700
[  626.567629]  ext4_filemap_fault+0x82/0xad
[  626.571783]  __do_fault+0x100/0x6b0
[  626.575412]  ? trace_hardirqs_on+0xbd/0x310
[  626.579746]  ? pmd_devmap_trans_unstable+0x220/0x220
[  626.584855]  ? mark_held_locks+0x130/0x130
[  626.589091]  ? mark_held_locks+0x130/0x130
[  626.593331]  ? do_syslog+0x147b/0x1690
[  626.597226]  ? do_syslog+0x309/0x1690
[  626.601030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.606575]  __handle_mm_fault+0x3ea0/0x5be0
[  626.611000]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  626.615847]  ? find_held_lock+0x36/0x1c0
[  626.619936]  ? zap_class+0x640/0x640
[  626.623649]  ? zap_class+0x640/0x640
[  626.627379]  ? find_held_lock+0x36/0x1c0
[  626.631482]  ? handle_mm_fault+0x42a/0xc70
[  626.635720]  ? lock_downgrade+0x900/0x900
[  626.639877]  ? check_preemption_disabled+0x48/0x280
[  626.644900]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  626.649848]  ? kasan_check_read+0x11/0x20
[  626.653998]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  626.659623]  ? rcu_softirq_qs+0x20/0x20
[  626.663698]  ? trace_hardirqs_off_caller+0x310/0x310
[  626.668806]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  626.674349]  ? check_preemption_disabled+0x48/0x280
[  626.679393]  handle_mm_fault+0x54f/0xc70
[  626.683485]  ? __handle_mm_fault+0x5be0/0x5be0
[  626.688073]  ? find_vma+0x34/0x190
[  626.691622]  __do_page_fault+0x5e8/0xe60
[  626.695701]  ? trace_hardirqs_off+0xb8/0x310
[  626.700178]  ? kernel_write+0x120/0x120
[  626.704165]  do_page_fault+0xf2/0x7e0
[  626.708014]  ? vmalloc_sync_all+0x30/0x30
[  626.712165]  ? error_entry+0x70/0xd0
[  626.715899]  ? trace_hardirqs_off_caller+0xbb/0x310
[  626.721037]  ? trace_hardirqs_on_caller+0xc0/0x310
[  626.726098]  ? syscall_return_slowpath+0x5e0/0x5e0
[  626.731027]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.735876]  ? trace_hardirqs_on_caller+0x310/0x310
[  626.740897]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  626.746368]  ? prepare_exit_to_usermode+0x291/0x3b0
[  626.751387]  ? page_fault+0x8/0x30
[  626.754943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  626.759816]  ? page_fault+0x8/0x30
[  626.763355]  page_fault+0x1e/0x30
[  626.766809] RIP: 0033:0x7fe9f4ff21fd
[  626.770536] Code: Bad RIP value.
[  626.773898] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  626.779260] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  626.786561] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  626.793918] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  626.801185] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  626.808461] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  626.815758] warn_alloc_show_mem: 1 callbacks suppressed
[  626.815771] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  626.815773] Mem-Info:
[  626.815802] active_anon:43385 inactive_anon:190 isolated_anon:0
[  626.815802]  active_file:9 inactive_file:19 isolated_file:0
[  626.815802]  unevictable:0 dirty:0 writeback:0 unstable:0
[  626.815802]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  626.815802]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  626.815802]  free:13722 free_pcp:438 free_cma:0
[  626.821156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  626.828291] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  626.830684] Call Trace:
[  626.863477] 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
[  626.872835]  <IRQ>
[  626.900328] lowmem_reserve[]: 0 2818 6321 6321
[  626.902933]  dump_stack+0x244/0x39d
[  626.929497] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  626.931665]  ? dump_stack_print_info.cold.1+0x20/0x20
[  626.936211] lowmem_reserve[]: 0 0 3503 3503
[  626.939841]  warn_alloc.cold.116+0xb7/0x1bd
[  626.967144] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  626.972370]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  626.976661] lowmem_reserve[]: 0 0 0 0
[  626.980991]  ? lock_downgrade+0x900/0x900
[  627.009951] 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
[  627.014814]  ? trace_hardirqs_off+0xb8/0x310
[  627.018577] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  627.022723]  ? trace_hardirqs_off+0xb8/0x310
[  627.036219] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  627.040648]  __alloc_pages_slowpath+0x2651/0x2de0
[  627.055623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  627.060052]  ? warn_alloc+0x120/0x120
[  627.075538] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  627.075547] 272 total pagecache pages
[  627.080406]  ? warn_alloc+0x120/0x120
[  627.089238] 0 pages in swap cache
[  627.093023]  ? warn_alloc+0x120/0x120
[  627.101575] Swap cache stats: add 0, delete 0, find 0/0
[  627.101584] Free swap  = 0kB
[  627.105381]  ? print_usage_bug+0xc0/0xc0
[  627.109166] Total swap = 0kB
[  627.112613]  ? enqueue_hrtimer+0x1a5/0x560
[  627.116385] 1965979 pages RAM
[  627.121741]  ? print_usage_bug+0xc0/0xc0
[  627.124752] 0 pages HighMem/MovableOnly
[  627.128809]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  627.131800] 342854 pages reserved
[  627.136030]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.139109] 0 pages cma reserved
[  627.143181]  ? should_fail+0x22d/0xd01
[  627.147193] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  627.152311]  ? __lock_acquire+0x62f/0x4c20
[  627.152329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.152345]  ? __lock_acquire+0x62f/0x4c20
[  627.155868] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  627.161311]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  627.164672] rsyslogd cpuset=/ mems_allowed=0
[  627.168549]  ? __lock_acquire+0x62f/0x4c20
[  627.212301]  ? should_fail+0x22d/0xd01
[  627.216239]  ? mark_held_locks+0x130/0x130
[  627.220486]  ? mark_held_locks+0x130/0x130
[  627.224723]  ? try_to_wake_up+0x11c/0x1490
[  627.228966]  ? lock_downgrade+0x900/0x900
[  627.233129]  ? zap_class+0x640/0x640
[  627.236893]  ? print_usage_bug+0xc0/0xc0
[  627.240959]  ? trace_hardirqs_off+0xb8/0x310
[  627.245367]  ? kasan_check_read+0x11/0x20
[  627.249520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.255061]  ? check_preemption_disabled+0x48/0x280
[  627.260117]  ? __lock_is_held+0xb5/0x140
[  627.264186]  __alloc_pages_nodemask+0xad8/0xea0
[  627.268873]  ? zap_class+0x640/0x640
[  627.272594]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  627.277622]  ? find_held_lock+0x36/0x1c0
[  627.281701]  ? ____cache_alloc_node+0x1c7/0x1e0
[  627.286388]  ? lock_downgrade+0x900/0x900
[  627.290545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.296089]  cache_grow_begin+0xa5/0x8c0
[  627.300161]  ? do_raw_spin_unlock+0xa7/0x330
[  627.304584]  fallback_alloc+0x204/0x2e0
[  627.308569]  ____cache_alloc_node+0x1c7/0x1e0
[  627.313074]  kmem_cache_alloc_node+0xe3/0x730
[  627.317572]  ? ipv6_get_ifaddr+0x42e/0x620
[  627.321838]  __alloc_skb+0x119/0x770
[  627.325551]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.330849]  ? netdev_alloc_frag+0x1f0/0x1f0
[  627.335258]  ? lock_downgrade+0x900/0x900
[  627.339445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.344986]  ? refcount_sub_and_test_checked+0x203/0x310
[  627.350460]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  627.355916]  ? addrconf_rs_timer+0x690/0x690
[  627.360337]  ndisc_alloc_skb+0x144/0x340
[  627.364403]  ndisc_send_rs+0x331/0x6e0
[  627.368305]  addrconf_rs_timer+0x314/0x690
[  627.372549]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.376803]  call_timer_fn+0x272/0x920
[  627.380693]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.384929]  ? process_timeout+0x40/0x40
[  627.389014]  ? __run_timers+0x7da/0xc70
[  627.392990]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.397494]  ? _raw_spin_unlock_irq+0x27/0x80
[  627.401992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.406230]  ? lockdep_hardirqs_on+0x296/0x5b0
[  627.410831]  ? trace_hardirqs_on+0xbd/0x310
[  627.415188]  ? kasan_check_read+0x11/0x20
[  627.419345]  ? __run_timers+0x7da/0xc70
[  627.423322]  ? trace_hardirqs_off_caller+0x310/0x310
[  627.428454]  ? __queue_work+0x1440/0x1440
[  627.432610]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  627.436848]  __run_timers+0x7e5/0xc70
[  627.440660]  ? timer_fixup_init+0x70/0x70
[  627.444814]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  627.449836]  ? zap_class+0x640/0x640
[  627.453554]  ? enqueue_hrtimer+0x1a5/0x560
[  627.457800]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  627.463022]  ? find_held_lock+0x36/0x1c0
[  627.467092]  ? zap_class+0x640/0x640
[  627.470820]  ? pvclock_read_flags+0x160/0x160
[  627.475320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.480865]  ? check_preemption_disabled+0x48/0x280
[  627.485888]  ? __lock_is_held+0xb5/0x140
[  627.489980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.495533]  ? check_preemption_disabled+0x48/0x280
[  627.500561]  run_timer_softirq+0x52/0xb0
[  627.504639]  ? rcu_read_lock_sched_held+0x14f/0x180
[  627.509658]  __do_softirq+0x308/0xb7e
[  627.513471]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  627.517966]  ? lock_downgrade+0x900/0x900
[  627.522123]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  627.527235]  ? pvclock_read_flags+0x160/0x160
[  627.531744]  ? lapic_next_event+0x5a/0x90
[  627.535900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.541455]  ? kvm_clock_read+0x18/0x30
[  627.545437]  ? kvm_sched_clock_read+0x9/0x20
[  627.549884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.555442]  ? check_preemption_disabled+0x48/0x280
[  627.560473]  irq_exit+0x17f/0x1c0
[  627.563949]  smp_apic_timer_interrupt+0x1cb/0x760
[  627.568795]  ? smp_reschedule_interrupt+0x109/0x650
[  627.573816]  ? smp_call_function_single_interrupt+0x650/0x650
[  627.579701]  ? interrupt_entry+0xb5/0xc0
[  627.583800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.588815]  ? trace_hardirqs_off_caller+0xbb/0x310
[  627.593852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.598711]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.603728]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.608758]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.613617]  apic_timer_interrupt+0xf/0x20
[  627.617844]  </IRQ>
[  627.620082] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  627.625027] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  627.643933] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  627.651646] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  627.658914] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  627.666211] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  627.673482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  627.680752] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  627.688083]  skb_clone+0x1bb/0x500
[  627.691633]  ? finish_task_switch+0x2f4/0x910
[  627.696131]  ? skb_split+0x11e0/0x11e0
[  627.700025]  ? preempt_notifier_register+0x200/0x200
[  627.705127]  ? __switch_to_asm+0x34/0x70
[  627.709189]  ? __switch_to_asm+0x34/0x70
[  627.713252]  ? __switch_to_asm+0x40/0x70
[  627.717309]  ? __switch_to_asm+0x34/0x70
[  627.721368]  ? __switch_to_asm+0x40/0x70
[  627.725428]  ? __switch_to_asm+0x34/0x70
[  627.729510]  ? __switch_to_asm+0x40/0x70
[  627.733572]  ? __switch_to_asm+0x34/0x70
[  627.737637]  ? __switch_to_asm+0x34/0x70
[  627.741699]  ? __switch_to_asm+0x40/0x70
[  627.745765]  ? __switch_to_asm+0x34/0x70
[  627.749867]  bpf_clone_redirect+0xb9/0x490
[  627.754105]  ? __schedule+0x8d7/0x21d0
[  627.758016]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  627.763062]  ? __sched_text_start+0x8/0x8
[  627.767226]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  627.771827]  ? retint_kernel+0x2d/0x2d
[  627.776247]  ? trace_hardirqs_on_caller+0xc0/0x310
[  627.781183]  ? find_held_lock+0x36/0x1c0
[  627.785254]  ? lock_acquire+0x1ed/0x520
[  627.789237]  ? bpf_test_run+0x3ee/0x7a0
[  627.793214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  627.798755]  ? check_preemption_disabled+0x48/0x280
[  627.803780]  ? kasan_check_read+0x11/0x20
[  627.807935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  627.813232]  ? rcu_softirq_qs+0x20/0x20
[  627.817218]  ? preempt_schedule+0x4d/0x60
[  627.821372]  ? ___preempt_schedule+0x16/0x18
[  627.825795]  ? bpf_test_run+0x271/0x7a0
[  627.829793]  ? netlink_diag_dump+0x2a0/0x2a0
[  627.834207]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  627.839745]  ? bpf_test_init.isra.10+0x70/0x100
[  627.844465]  ? bpf_prog_test_run_skb+0x762/0xd60
[  627.849250]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.854101]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  627.859652]  ? fput+0x130/0x1a0
[  627.862950]  ? __bpf_prog_get+0x9b/0x290
[  627.867020]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  627.871878]  ? bpf_prog_test_run+0x130/0x1a0
[  627.876293]  ? __x64_sys_bpf+0x3d8/0x520
[  627.880358]  ? bpf_prog_get+0x20/0x20
[  627.884195]  ? do_syscall_64+0x1b9/0x820
[  627.888254]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  627.893619]  ? syscall_return_slowpath+0x5e0/0x5e0
[  627.898549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.903397]  ? trace_hardirqs_on_caller+0x310/0x310
[  627.908445]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  627.913475]  ? prepare_exit_to_usermode+0x291/0x3b0
[  627.918502]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  627.923352]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  627.928736] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  627.928813] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  627.935500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  627.935505] Call Trace:
[  627.935512]  <IRQ>
[  627.935531]  dump_stack+0x244/0x39d
[  627.935550]  ? dump_stack_print_info.cold.1+0x20/0x20
[  627.935577]  warn_alloc.cold.116+0xb7/0x1bd
[  627.942150] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  627.951400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  627.953960] syz-executor4 cpuset=syz4 mems_allowed=0
[  627.956106]  ? lock_downgrade+0x900/0x900
[  627.993740]  ? trace_hardirqs_off+0xb8/0x310
[  627.998302]  ? trace_hardirqs_off+0xb8/0x310
[  628.002852]  __alloc_pages_slowpath+0x2651/0x2de0
[  628.007731]  ? warn_alloc+0x120/0x120
[  628.011542]  ? print_usage_bug+0xc0/0xc0
[  628.015608]  ? warn_alloc+0x120/0x120
[  628.019417]  ? warn_alloc+0x120/0x120
[  628.023320]  ? print_usage_bug+0xc0/0xc0
[  628.027389]  ? print_usage_bug+0xc0/0xc0
[  628.031475]  ? __lock_acquire+0x62f/0x4c20
[  628.035889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.041662]  ? should_fail+0x22d/0xd01
[  628.045558]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.050663]  ? __lock_acquire+0x62f/0x4c20
[  628.054907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.060010]  ? __lock_acquire+0x62f/0x4c20
[  628.064249]  ? should_fail+0x22d/0xd01
[  628.068212]  ? mark_held_locks+0x130/0x130
[  628.072460]  ? mark_held_locks+0x130/0x130
[  628.076699]  ? try_to_wake_up+0x11c/0x1490
[  628.080940]  ? lock_downgrade+0x900/0x900
[  628.085091]  ? zap_class+0x640/0x640
[  628.088805]  ? print_usage_bug+0xc0/0xc0
[  628.092867]  ? trace_hardirqs_off+0xb8/0x310
[  628.097276]  ? kasan_check_read+0x11/0x20
[  628.101450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.107000]  ? check_preemption_disabled+0x48/0x280
[  628.112033]  ? __lock_is_held+0xb5/0x140
[  628.116094]  __alloc_pages_nodemask+0xad8/0xea0
[  628.120764]  ? zap_class+0x640/0x640
[  628.124483]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  628.129513]  ? find_held_lock+0x36/0x1c0
[  628.133586]  ? ____cache_alloc_node+0x1c7/0x1e0
[  628.138258]  ? lock_downgrade+0x900/0x900
[  628.142419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.147999]  cache_grow_begin+0xa5/0x8c0
[  628.152062]  ? do_raw_spin_unlock+0xa7/0x330
[  628.156480]  fallback_alloc+0x204/0x2e0
[  628.160478]  ____cache_alloc_node+0x1c7/0x1e0
[  628.164996]  kmem_cache_alloc_node+0xe3/0x730
[  628.169497]  ? ipv6_get_ifaddr+0x42e/0x620
[  628.173744]  __alloc_skb+0x119/0x770
[  628.177474]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.182782]  ? netdev_alloc_frag+0x1f0/0x1f0
[  628.187201]  ? lock_downgrade+0x900/0x900
[  628.191364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.196905]  ? refcount_sub_and_test_checked+0x203/0x310
[  628.202361]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  628.207811]  ? addrconf_rs_timer+0x690/0x690
[  628.212234]  ndisc_alloc_skb+0x144/0x340
[  628.216304]  ndisc_send_rs+0x331/0x6e0
[  628.220217]  addrconf_rs_timer+0x314/0x690
[  628.224471]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.228720]  call_timer_fn+0x272/0x920
[  628.232615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.236852]  ? process_timeout+0x40/0x40
[  628.240927]  ? mark_held_locks+0xc7/0x130
[  628.245078]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.249572]  ? _raw_spin_unlock_irq+0x27/0x80
[  628.254089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.258329]  ? lockdep_hardirqs_on+0x296/0x5b0
[  628.262914]  ? trace_hardirqs_on+0xbd/0x310
[  628.267239]  ? kasan_check_read+0x11/0x20
[  628.271387]  ? __run_timers+0x7da/0xc70
[  628.275367]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.280487]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  628.284721]  __run_timers+0x7e5/0xc70
[  628.288537]  ? timer_fixup_init+0x70/0x70
[  628.292688]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  628.297724]  ? zap_class+0x640/0x640
[  628.301454]  ? print_usage_bug+0xc0/0xc0
[  628.305525]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  628.310724]  ? find_held_lock+0x36/0x1c0
[  628.314797]  ? zap_class+0x640/0x640
[  628.318693]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.324233]  ? check_preemption_disabled+0x48/0x280
[  628.329265]  ? __lock_is_held+0xb5/0x140
[  628.333338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.338877]  ? check_preemption_disabled+0x48/0x280
[  628.343900]  run_timer_softirq+0x52/0xb0
[  628.347963]  ? rcu_read_lock_sched_held+0x14f/0x180
[  628.352984]  __do_softirq+0x308/0xb7e
[  628.356792]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  628.361296]  ? lock_downgrade+0x900/0x900
[  628.365458]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  628.370573]  ? pvclock_read_flags+0x160/0x160
[  628.375074]  ? lapic_next_event+0x5a/0x90
[  628.379228]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.384772]  ? kvm_clock_read+0x18/0x30
[  628.388749]  ? kvm_sched_clock_read+0x9/0x20
[  628.393167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.398707]  ? check_preemption_disabled+0x48/0x280
[  628.403750]  irq_exit+0x17f/0x1c0
[  628.407231]  smp_apic_timer_interrupt+0x1cb/0x760
[  628.412080]  ? smp_call_function_single_interrupt+0x650/0x650
[  628.417965]  ? interrupt_entry+0xb5/0xc0
[  628.422031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.427053]  ? trace_hardirqs_off_caller+0xbb/0x310
[  628.432073]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.436944]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.441959]  ? trace_hardirqs_on_caller+0x310/0x310
[  628.446977]  ? task_prio+0x50/0x50
[  628.450525]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.456070]  ? check_preemption_disabled+0x48/0x280
[  628.461093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  628.465946]  apic_timer_interrupt+0xf/0x20
[  628.470176]  </IRQ>
[  628.472417] RIP: 0010:dump_stack+0x358/0x39d
[  628.476838] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  628.495773] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  628.503488] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  628.510755] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  628.518027] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  628.525306] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  628.532576] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  628.539873]  ? dump_stack+0x34f/0x39d
[  628.543692]  ? dump_stack_print_info.cold.1+0x20/0x20
[  628.548891]  ? mark_held_locks+0x130/0x130
[  628.553132]  ? mark_held_locks+0x130/0x130
[  628.557376]  dump_header+0x27b/0xf72
[  628.561106]  ? pagefault_out_of_memory+0x197/0x197
[  628.566045]  ? __lock_acquire+0x62f/0x4c20
[  628.570289]  ? percpu_ref_get_many+0x240/0x240
[  628.574876]  ? print_usage_bug+0xc0/0xc0
[  628.578968]  ? zap_class+0x640/0x640
[  628.582686]  ? print_usage_bug+0xc0/0xc0
[  628.586749]  ? print_usage_bug+0xc0/0xc0
[  628.590813]  ? zap_class+0x640/0x640
[  628.594534]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.600078]  ? find_held_lock+0x36/0x1c0
[  628.604156]  ? mark_held_locks+0xc7/0x130
[  628.608310]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.613415]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  628.618530]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  628.623118]  ? trace_hardirqs_on+0xbd/0x310
[  628.627453]  ? kasan_check_read+0x11/0x20
[  628.631602]  ? ___ratelimit+0x3b4/0x672
[  628.635578]  ? trace_hardirqs_off_caller+0x310/0x310
[  628.640692]  ? trace_hardirqs_on+0x310/0x310
[  628.645107]  ? lock_downgrade+0x900/0x900
[  628.649267]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  628.654379]  ? ___ratelimit+0x3b9/0x672
[  628.658368]  ? idr_get_free+0xf70/0xf70
[  628.662356]  ? find_held_lock+0x36/0x1c0
[  628.666428]  oom_kill_process.cold.27+0x10/0x903
[  628.671197]  ? zap_class+0x640/0x640
[  628.674918]  ? check_preemption_disabled+0x48/0x280
[  628.679940]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.684873]  ? kasan_check_read+0x11/0x20
[  628.689021]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.694307]  ? oom_evaluate_task+0x540/0x540
[  628.698725]  ? find_held_lock+0x36/0x1c0
[  628.702797]  ? out_of_memory+0x974/0x1430
[  628.706953]  ? lock_downgrade+0x900/0x900
[  628.711104]  ? check_preemption_disabled+0x48/0x280
[  628.716128]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.721062]  ? kasan_check_read+0x11/0x20
[  628.725216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.730500]  ? rcu_softirq_qs+0x20/0x20
[  628.734510]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.740052]  ? oom_evaluate_task+0x302/0x540
[  628.744476]  out_of_memory+0xa84/0x1430
[  628.748468]  ? oom_killer_disable+0x3a0/0x3a0
[  628.752969]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  628.757906]  ? __ww_mutex_check_waiters+0x160/0x160
[  628.762937]  __alloc_pages_slowpath+0x232c/0x2de0
[  628.767813]  ? warn_alloc+0x120/0x120
[  628.771616]  ? mark_held_locks+0x130/0x130
[  628.775866]  ? find_get_entry+0xaae/0x1120
[  628.780113]  ? filemap_map_pages+0x1a20/0x1a20
[  628.784702]  ? zap_class+0x640/0x640
[  628.788439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  628.793985]  ? check_preemption_disabled+0x48/0x280
[  628.799015]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.804560]  ? should_fail+0x22d/0xd01
[  628.808462]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  628.813672]  ? zap_class+0x640/0x640
[  628.817412]  ? __lock_is_held+0xb5/0x140
[  628.821495]  ? mark_held_locks+0x130/0x130
[  628.825756]  ? lock_release+0xa00/0xa00
[  628.829763]  ? perf_trace_sched_process_exec+0x860/0x860
[  628.835217]  ? xa_load+0x2ba/0x460
[  628.838802]  ? lock_downgrade+0x900/0x900
[  628.843004]  ? __might_sleep+0x95/0x190
[  628.846985]  __alloc_pages_nodemask+0xad8/0xea0
[  628.851675]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  628.856690]  ? __page_cache_alloc+0x191/0x5c0
[  628.861191]  ? xa_load+0x2e1/0x460
[  628.864742]  ? xa_clear_mark+0x40/0x40
[  628.868634]  ? zap_class+0x640/0x640
[  628.872372]  ? zap_class+0x640/0x640
[  628.876086]  ? zap_class+0x640/0x640
[  628.879800]  ? __do_page_cache_readahead+0x663/0x810
[  628.884913]  ? find_held_lock+0x36/0x1c0
[  628.888982]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  628.894528]  alloc_pages_current+0x173/0x350
[  628.898947]  __page_cache_alloc+0x38c/0x5c0
[  628.903271]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.908729]  ? kasan_check_read+0x11/0x20
[  628.912881]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.918163]  ? generic_perform_write+0x6a0/0x6a0
[  628.922924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  628.928473]  ? check_preemption_disabled+0x48/0x280
[  628.933499]  filemap_fault+0x1595/0x25f0
[  628.937581]  ? __lock_page_or_retry+0xa00/0xa00
[  628.942257]  ? mark_held_locks+0x130/0x130
[  628.946514]  ? filemap_map_pages+0xd6b/0x1a20
[  628.951017]  ? lock_downgrade+0x900/0x900
[  628.955166]  ? check_preemption_disabled+0x48/0x280
[  628.960191]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  628.965122]  ? kasan_check_read+0x11/0x20
[  628.969287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  628.974566]  ? rcu_softirq_qs+0x20/0x20
[  628.978561]  ? filemap_map_pages+0xd92/0x1a20
[  628.983104]  ? find_get_entries_tag+0x1400/0x1400
[  628.987949]  ? __kernel_text_address+0xd/0x40
[  628.992466]  ? unwind_get_return_address+0x61/0xa0
[  628.997416]  ? lock_acquire+0x1ed/0x520
[  629.001400]  ? ext4_filemap_fault+0x7a/0xad
[  629.005738]  ? lock_release+0xa00/0xa00
[  629.009712]  ? perf_trace_sched_process_exec+0x860/0x860
[  629.015165]  ? print_usage_bug+0xc0/0xc0
[  629.019228]  ? print_usage_bug+0xc0/0xc0
[  629.023296]  ? __x64_sys_read+0x73/0xb0
[  629.027274]  ? print_usage_bug+0xc0/0xc0
[  629.031360]  ? down_read+0x8d/0x120
[  629.034990]  ? ext4_filemap_fault+0x7a/0xad
[  629.039322]  ? __down_interruptible+0x700/0x700
[  629.044008]  ext4_filemap_fault+0x82/0xad
[  629.048172]  __do_fault+0x100/0x6b0
[  629.051802]  ? trace_hardirqs_on+0xbd/0x310
[  629.056131]  ? pmd_devmap_trans_unstable+0x220/0x220
[  629.061240]  ? mark_held_locks+0x130/0x130
[  629.065494]  ? mark_held_locks+0x130/0x130
[  629.069729]  ? do_syslog+0x147b/0x1690
[  629.073619]  ? do_syslog+0x309/0x1690
[  629.077427]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.082982]  __handle_mm_fault+0x3ea0/0x5be0
[  629.087402]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  629.092259]  ? find_held_lock+0x36/0x1c0
[  629.096342]  ? zap_class+0x640/0x640
[  629.100054]  ? zap_class+0x640/0x640
[  629.103776]  ? find_held_lock+0x36/0x1c0
[  629.108075]  ? handle_mm_fault+0x42a/0xc70
[  629.112316]  ? lock_downgrade+0x900/0x900
[  629.116474]  ? check_preemption_disabled+0x48/0x280
[  629.121500]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  629.126967]  ? kasan_check_read+0x11/0x20
[  629.131634]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.136935]  ? rcu_softirq_qs+0x20/0x20
[  629.140910]  ? trace_hardirqs_off_caller+0x310/0x310
[  629.146023]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.151793]  ? check_preemption_disabled+0x48/0x280
[  629.157163]  handle_mm_fault+0x54f/0xc70
[  629.161235]  ? __handle_mm_fault+0x5be0/0x5be0
[  629.165881]  ? find_vma+0x34/0x190
[  629.169438]  __do_page_fault+0x5e8/0xe60
[  629.173534]  ? trace_hardirqs_off+0xb8/0x310
[  629.178038]  ? kernel_write+0x120/0x120
[  629.182028]  do_page_fault+0xf2/0x7e0
[  629.185831]  ? vmalloc_sync_all+0x30/0x30
[  629.190026]  ? error_entry+0x70/0xd0
[  629.193744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  629.198776]  ? trace_hardirqs_on_caller+0xc0/0x310
[  629.203705]  ? syscall_return_slowpath+0x5e0/0x5e0
[  629.208638]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.213488]  ? trace_hardirqs_on_caller+0x310/0x310
[  629.218504]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  629.223960]  ? prepare_exit_to_usermode+0x291/0x3b0
[  629.228977]  ? page_fault+0x8/0x30
[  629.232524]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  629.237369]  ? page_fault+0x8/0x30
[  629.240909]  page_fault+0x1e/0x30
[  629.244371] RIP: 0033:0x7fe9f4ff21fd
[  629.248100] Code: Bad RIP value.
[  629.251480] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  629.256845] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  629.264116] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  629.271384] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  629.278651] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  629.285935] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  629.293230] warn_alloc_show_mem: 1 callbacks suppressed
[  629.293242] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  629.293244] Mem-Info:
[  629.293273] active_anon:43385 inactive_anon:190 isolated_anon:0
[  629.293273]  active_file:9 inactive_file:19 isolated_file:0
[  629.293273]  unevictable:0 dirty:0 writeback:0 unstable:0
[  629.293273]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  629.293273]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  629.293273]  free:13722 free_pcp:438 free_cma:0
[  629.298619] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  629.298628] Call Trace:
[  629.305763] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  629.308162]  <IRQ>
[  629.340952] 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
[  629.350319]  dump_stack+0x244/0x39d
[  629.352877] lowmem_reserve[]: 0 2818 6321 6321
[  629.380390]  ? dump_stack_print_info.cold.1+0x20/0x20
[  629.382519] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  629.408647]  warn_alloc.cold.116+0xb7/0x1bd
[  629.412244] lowmem_reserve[]: 0 0 3503 3503
[  629.416841]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  629.422006] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  629.449344]  ? lock_downgrade+0x900/0x900
[  629.453639] lowmem_reserve[]: 0 0 0 0
[  629.457970]  ? trace_hardirqs_off+0xb8/0x310
[  629.462789] 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
[  629.491773]  ? trace_hardirqs_off+0xb8/0x310
[  629.495909] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  629.499708]  __alloc_pages_slowpath+0x2651/0x2de0
[  629.504084] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  629.517632]  ? warn_alloc+0x120/0x120
[  629.522002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  629.536999]  ? print_usage_bug+0xc0/0xc0
[  629.541820] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  629.557332]  ? warn_alloc+0x120/0x120
[  629.561113] 272 total pagecache pages
[  629.569951]  ? warn_alloc+0x120/0x120
[  629.573997] 0 pages in swap cache
[  629.582561]  ? print_usage_bug+0xc0/0xc0
[  629.586353] Swap cache stats: add 0, delete 0, find 0/0
[  629.590145]  ? kvm_clock_read+0x18/0x30
[  629.593918] Free swap  = 0kB
[  629.597368]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  629.601407] Total swap = 0kB
[  629.606775]  ? print_usage_bug+0xc0/0xc0
[  629.610724] 1965979 pages RAM
[  629.613746]  ? __lock_acquire+0x62f/0x4c20
[  629.618744] 0 pages HighMem/MovableOnly
[  629.621760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  629.625787] 342854 pages reserved
[  629.625795] 0 pages cma reserved
[  629.628898]  ? should_fail+0x22d/0xd01
[  629.633184] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  629.637084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.637102]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.642708] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  629.646070]  ? __lock_acquire+0x62f/0x4c20
[  629.649412] rsyslogd cpuset=/ mems_allowed=0
[  629.653303]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  629.693870]  ? __lock_acquire+0x62f/0x4c20
[  629.698108]  ? should_fail+0x22d/0xd01
[  629.702017]  ? rcu_irq_exit+0x1a2/0x390
[  629.706011]  ? mark_held_locks+0x130/0x130
[  629.710251]  ? mark_held_locks+0x130/0x130
[  629.714491]  ? mark_held_locks+0xc7/0x130
[  629.718639]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  629.723656]  ? zap_class+0x640/0x640
[  629.727370]  ? print_usage_bug+0xc0/0xc0
[  629.731450]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.736993]  ? check_preemption_disabled+0x48/0x280
[  629.742024]  ? __lock_is_held+0xb5/0x140
[  629.746094]  __alloc_pages_nodemask+0xad8/0xea0
[  629.750765]  ? zap_class+0x640/0x640
[  629.754492]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  629.759521]  ? find_held_lock+0x36/0x1c0
[  629.763598]  ? ____cache_alloc_node+0x1c7/0x1e0
[  629.768271]  ? lock_downgrade+0x900/0x900
[  629.772456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.778116]  cache_grow_begin+0xa5/0x8c0
[  629.782178]  ? do_raw_spin_unlock+0xa7/0x330
[  629.786608]  fallback_alloc+0x204/0x2e0
[  629.790607]  ____cache_alloc_node+0x1c7/0x1e0
[  629.795110]  kmem_cache_alloc_node+0xe3/0x730
[  629.799607]  ? ipv6_get_ifaddr+0x42e/0x620
[  629.803856]  __alloc_skb+0x119/0x770
[  629.807571]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  629.812887]  ? netdev_alloc_frag+0x1f0/0x1f0
[  629.817315]  ? lock_downgrade+0x900/0x900
[  629.821504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.827061]  ? refcount_sub_and_test_checked+0x203/0x310
[  629.832517]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  629.837969]  ? addrconf_rs_timer+0x690/0x690
[  629.842387]  ndisc_alloc_skb+0x144/0x340
[  629.846460]  ndisc_send_rs+0x331/0x6e0
[  629.850360]  addrconf_rs_timer+0x314/0x690
[  629.854602]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.858873]  call_timer_fn+0x272/0x920
[  629.862764]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.867005]  ? process_timeout+0x40/0x40
[  629.871073]  ? __run_timers+0x7da/0xc70
[  629.875050]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.879545]  ? _raw_spin_unlock_irq+0x27/0x80
[  629.884040]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.888281]  ? lockdep_hardirqs_on+0x296/0x5b0
[  629.892869]  ? trace_hardirqs_on+0xbd/0x310
[  629.897193]  ? kasan_check_read+0x11/0x20
[  629.901342]  ? __run_timers+0x7da/0xc70
[  629.905318]  ? trace_hardirqs_off_caller+0x310/0x310
[  629.910473]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.914718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  629.918953]  __run_timers+0x7e5/0xc70
[  629.922777]  ? timer_fixup_init+0x70/0x70
[  629.926935]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  629.931957]  ? zap_class+0x640/0x640
[  629.935685]  ? enqueue_hrtimer+0x1a5/0x560
[  629.939923]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  629.945121]  ? find_held_lock+0x36/0x1c0
[  629.949203]  ? zap_class+0x640/0x640
[  629.952920]  ? pvclock_read_flags+0x160/0x160
[  629.957421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.963005]  ? check_preemption_disabled+0x48/0x280
[  629.968034]  ? __lock_is_held+0xb5/0x140
[  629.972098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  629.977638]  ? check_preemption_disabled+0x48/0x280
[  629.982668]  run_timer_softirq+0x52/0xb0
[  629.986731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  629.991751]  __do_softirq+0x308/0xb7e
[  629.995595]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  630.000091]  ? lock_downgrade+0x900/0x900
[  630.004241]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  630.009385]  ? pvclock_read_flags+0x160/0x160
[  630.013884]  ? lapic_next_event+0x5a/0x90
[  630.018036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.023579]  ? kvm_clock_read+0x18/0x30
[  630.027557]  ? kvm_sched_clock_read+0x9/0x20
[  630.031969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.037524]  ? check_preemption_disabled+0x48/0x280
[  630.042548]  irq_exit+0x17f/0x1c0
[  630.046012]  smp_apic_timer_interrupt+0x1cb/0x760
[  630.050853]  ? smp_reschedule_interrupt+0x109/0x650
[  630.055887]  ? smp_call_function_single_interrupt+0x650/0x650
[  630.061795]  ? interrupt_entry+0xb5/0xc0
[  630.065861]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.070879]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.075898]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.080751]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.085775]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.090816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.095670]  apic_timer_interrupt+0xf/0x20
[  630.099898]  </IRQ>
[  630.102138] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  630.107067] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  630.125972] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  630.133681] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  630.140947] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  630.148214] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  630.155481] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  630.162752] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  630.170072]  skb_clone+0x1bb/0x500
[  630.173616]  ? finish_task_switch+0x2f4/0x910
[  630.178114]  ? skb_split+0x11e0/0x11e0
[  630.182007]  ? preempt_notifier_register+0x200/0x200
[  630.187109]  ? __switch_to_asm+0x34/0x70
[  630.191188]  ? __switch_to_asm+0x34/0x70
[  630.195301]  ? __switch_to_asm+0x40/0x70
[  630.199360]  ? __switch_to_asm+0x34/0x70
[  630.203439]  ? __switch_to_asm+0x40/0x70
[  630.207499]  ? __switch_to_asm+0x34/0x70
[  630.211557]  ? __switch_to_asm+0x40/0x70
[  630.215626]  ? __switch_to_asm+0x34/0x70
[  630.219694]  ? __switch_to_asm+0x34/0x70
[  630.223751]  ? __switch_to_asm+0x40/0x70
[  630.227818]  ? __switch_to_asm+0x34/0x70
[  630.231887]  bpf_clone_redirect+0xb9/0x490
[  630.236127]  ? __schedule+0x8d7/0x21d0
[  630.240022]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  630.245040]  ? __sched_text_start+0x8/0x8
[  630.249194]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  630.253775]  ? retint_kernel+0x2d/0x2d
[  630.257673]  ? trace_hardirqs_on_caller+0xc0/0x310
[  630.262612]  ? find_held_lock+0x36/0x1c0
[  630.266700]  ? lock_acquire+0x1ed/0x520
[  630.270681]  ? bpf_test_run+0x3ee/0x7a0
[  630.274660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.280206]  ? check_preemption_disabled+0x48/0x280
[  630.285258]  ? kasan_check_read+0x11/0x20
[  630.289411]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.294698]  ? rcu_softirq_qs+0x20/0x20
[  630.298678]  ? preempt_schedule+0x4d/0x60
[  630.302832]  ? ___preempt_schedule+0x16/0x18
[  630.307252]  ? bpf_test_run+0x271/0x7a0
[  630.311258]  ? netlink_diag_dump+0x2a0/0x2a0
[  630.315676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.321244]  ? bpf_test_init.isra.10+0x70/0x100
[  630.325922]  ? bpf_prog_test_run_skb+0x762/0xd60
[  630.330692]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  630.335545]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  630.341097]  ? fput+0x130/0x1a0
[  630.344381]  ? __bpf_prog_get+0x9b/0x290
[  630.348456]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  630.353304]  ? bpf_prog_test_run+0x130/0x1a0
[  630.357719]  ? __x64_sys_bpf+0x3d8/0x520
[  630.361790]  ? bpf_prog_get+0x20/0x20
[  630.365613]  ? do_syscall_64+0x1b9/0x820
[  630.369679]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  630.375047]  ? syscall_return_slowpath+0x5e0/0x5e0
[  630.379975]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.384824]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.389846]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  630.394890]  ? prepare_exit_to_usermode+0x291/0x3b0
[  630.399921]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.404773]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  630.410163] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  630.410262] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  630.416924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  630.416929] Call Trace:
[  630.416936]  <IRQ>
[  630.416954]  dump_stack+0x244/0x39d
[  630.416973]  ? dump_stack_print_info.cold.1+0x20/0x20
[  630.423541] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  630.432817]  warn_alloc.cold.116+0xb7/0x1bd
[  630.435382] syz-executor4 cpuset=syz4 mems_allowed=0
[  630.437525]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  630.471115]  ? lock_downgrade+0x900/0x900
[  630.475272]  ? trace_hardirqs_off+0xb8/0x310
[  630.479692]  ? trace_hardirqs_off+0xb8/0x310
[  630.484110]  __alloc_pages_slowpath+0x2651/0x2de0
[  630.488984]  ? warn_alloc+0x120/0x120
[  630.492791]  ? print_usage_bug+0xc0/0xc0
[  630.496861]  ? warn_alloc+0x120/0x120
[  630.500684]  ? warn_alloc+0x120/0x120
[  630.504528]  ? print_usage_bug+0xc0/0xc0
[  630.508591]  ? kvm_clock_read+0x18/0x30
[  630.512564]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  630.517593]  ? print_usage_bug+0xc0/0xc0
[  630.521655]  ? __lock_acquire+0x62f/0x4c20
[  630.525896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.531442]  ? should_fail+0x22d/0xd01
[  630.535332]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.540615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.545720]  ? __lock_acquire+0x62f/0x4c20
[  630.549962]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  630.555063]  ? __lock_acquire+0x62f/0x4c20
[  630.559299]  ? should_fail+0x22d/0xd01
[  630.563193]  ? rcu_irq_exit+0x1a2/0x390
[  630.567221]  ? mark_held_locks+0x130/0x130
[  630.571469]  ? mark_held_locks+0x130/0x130
[  630.575717]  ? mark_held_locks+0xc7/0x130
[  630.579883]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  630.584915]  ? zap_class+0x640/0x640
[  630.588634]  ? print_usage_bug+0xc0/0xc0
[  630.592704]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.598264]  ? check_preemption_disabled+0x48/0x280
[  630.603304]  ? __lock_is_held+0xb5/0x140
[  630.607391]  __alloc_pages_nodemask+0xad8/0xea0
[  630.612063]  ? zap_class+0x640/0x640
[  630.615783]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  630.620817]  ? find_held_lock+0x36/0x1c0
[  630.624891]  ? ____cache_alloc_node+0x1c7/0x1e0
[  630.629563]  ? lock_downgrade+0x900/0x900
[  630.633719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.639266]  cache_grow_begin+0xa5/0x8c0
[  630.643338]  ? do_raw_spin_unlock+0xa7/0x330
[  630.647762]  fallback_alloc+0x204/0x2e0
[  630.651744]  ____cache_alloc_node+0x1c7/0x1e0
[  630.656266]  kmem_cache_alloc_node+0xe3/0x730
[  630.660787]  ? ipv6_get_ifaddr+0x42e/0x620
[  630.665039]  __alloc_skb+0x119/0x770
[  630.668752]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  630.674032]  ? netdev_alloc_frag+0x1f0/0x1f0
[  630.678450]  ? lock_downgrade+0x900/0x900
[  630.682612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.688154]  ? refcount_sub_and_test_checked+0x203/0x310
[  630.693616]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  630.699073]  ? addrconf_rs_timer+0x690/0x690
[  630.703508]  ndisc_alloc_skb+0x144/0x340
[  630.707581]  ndisc_send_rs+0x331/0x6e0
[  630.711492]  addrconf_rs_timer+0x314/0x690
[  630.715736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.720002]  call_timer_fn+0x272/0x920
[  630.723890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.728129]  ? process_timeout+0x40/0x40
[  630.732237]  ? mark_held_locks+0xc7/0x130
[  630.736388]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.740881]  ? _raw_spin_unlock_irq+0x27/0x80
[  630.745381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.749620]  ? lockdep_hardirqs_on+0x296/0x5b0
[  630.754208]  ? trace_hardirqs_on+0xbd/0x310
[  630.758545]  ? kasan_check_read+0x11/0x20
[  630.762712]  ? __run_timers+0x7da/0xc70
[  630.766692]  ? trace_hardirqs_off_caller+0x310/0x310
[  630.771803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.776048]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  630.780290]  __run_timers+0x7e5/0xc70
[  630.784103]  ? timer_fixup_init+0x70/0x70
[  630.788258]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  630.793299]  ? zap_class+0x640/0x640
[  630.797035]  ? print_usage_bug+0xc0/0xc0
[  630.801099]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  630.806302]  ? find_held_lock+0x36/0x1c0
[  630.810372]  ? zap_class+0x640/0x640
[  630.814096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.819640]  ? check_preemption_disabled+0x48/0x280
[  630.824668]  ? __lock_is_held+0xb5/0x140
[  630.828731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.834272]  ? check_preemption_disabled+0x48/0x280
[  630.839318]  run_timer_softirq+0x52/0xb0
[  630.843384]  ? rcu_read_lock_sched_held+0x14f/0x180
[  630.848403]  __do_softirq+0x308/0xb7e
[  630.852216]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  630.856716]  ? lock_downgrade+0x900/0x900
[  630.860871]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  630.865988]  ? pvclock_read_flags+0x160/0x160
[  630.870491]  ? lapic_next_event+0x5a/0x90
[  630.874644]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.880189]  ? kvm_clock_read+0x18/0x30
[  630.884165]  ? kvm_sched_clock_read+0x9/0x20
[  630.888584]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  630.894137]  ? check_preemption_disabled+0x48/0x280
[  630.899164]  irq_exit+0x17f/0x1c0
[  630.902625]  smp_apic_timer_interrupt+0x1cb/0x760
[  630.907960]  ? smp_call_function_single_interrupt+0x650/0x650
[  630.913844]  ? interrupt_entry+0xb5/0xc0
[  630.917915]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.922945]  ? trace_hardirqs_off_caller+0xbb/0x310
[  630.928022]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.932878]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.937989]  ? trace_hardirqs_on_caller+0x310/0x310
[  630.943010]  ? task_prio+0x50/0x50
[  630.946552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  630.952093]  ? check_preemption_disabled+0x48/0x280
[  630.957136]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  630.962028]  apic_timer_interrupt+0xf/0x20
[  630.966257]  </IRQ>
[  630.968501] RIP: 0010:dump_stack+0x358/0x39d
[  630.972916] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  630.991823] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  630.999534] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  631.006804] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  631.014074] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  631.021348] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  631.028910] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  631.036695]  ? dump_stack+0x34f/0x39d
[  631.040551]  ? dump_stack_print_info.cold.1+0x20/0x20
[  631.045761]  ? mark_held_locks+0x130/0x130
[  631.050000]  ? mark_held_locks+0x130/0x130
[  631.054242]  dump_header+0x27b/0xf72
[  631.058003]  ? pagefault_out_of_memory+0x197/0x197
[  631.062951]  ? __lock_acquire+0x62f/0x4c20
[  631.067232]  ? percpu_ref_get_many+0x240/0x240
[  631.071817]  ? print_usage_bug+0xc0/0xc0
[  631.075890]  ? zap_class+0x640/0x640
[  631.079628]  ? print_usage_bug+0xc0/0xc0
[  631.083702]  ? print_usage_bug+0xc0/0xc0
[  631.087768]  ? zap_class+0x640/0x640
[  631.091490]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.097036]  ? find_held_lock+0x36/0x1c0
[  631.101110]  ? mark_held_locks+0xc7/0x130
[  631.105262]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  631.110380]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  631.115501]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  631.120092]  ? trace_hardirqs_on+0xbd/0x310
[  631.124415]  ? kasan_check_read+0x11/0x20
[  631.128571]  ? ___ratelimit+0x3b4/0x672
[  631.132550]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.137654]  ? trace_hardirqs_on+0x310/0x310
[  631.142067]  ? lock_downgrade+0x900/0x900
[  631.146223]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  631.151330]  ? ___ratelimit+0x3b9/0x672
[  631.155308]  ? idr_get_free+0xf70/0xf70
[  631.159306]  ? find_held_lock+0x36/0x1c0
[  631.163382]  oom_kill_process.cold.27+0x10/0x903
[  631.168143]  ? zap_class+0x640/0x640
[  631.171859]  ? check_preemption_disabled+0x48/0x280
[  631.176885]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.181818]  ? kasan_check_read+0x11/0x20
[  631.185968]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.191249]  ? oom_evaluate_task+0x540/0x540
[  631.195669]  ? find_held_lock+0x36/0x1c0
[  631.199739]  ? out_of_memory+0x974/0x1430
[  631.203890]  ? lock_downgrade+0x900/0x900
[  631.208038]  ? check_preemption_disabled+0x48/0x280
[  631.213061]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.217999]  ? kasan_check_read+0x11/0x20
[  631.222150]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.227437]  ? rcu_softirq_qs+0x20/0x20
[  631.231420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.236968]  ? oom_evaluate_task+0x302/0x540
[  631.241382]  out_of_memory+0xa84/0x1430
[  631.245372]  ? oom_killer_disable+0x3a0/0x3a0
[  631.249875]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  631.254815]  ? __ww_mutex_check_waiters+0x160/0x160
[  631.259846]  __alloc_pages_slowpath+0x232c/0x2de0
[  631.264720]  ? warn_alloc+0x120/0x120
[  631.268526]  ? mark_held_locks+0x130/0x130
[  631.272768]  ? find_get_entry+0xaae/0x1120
[  631.277039]  ? filemap_map_pages+0x1a20/0x1a20
[  631.281658]  ? zap_class+0x640/0x640
[  631.285387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  631.290938]  ? check_preemption_disabled+0x48/0x280
[  631.295957]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.301499]  ? should_fail+0x22d/0xd01
[  631.305392]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  631.310520]  ? zap_class+0x640/0x640
[  631.314258]  ? __lock_is_held+0xb5/0x140
[  631.318332]  ? mark_held_locks+0x130/0x130
[  631.322573]  ? lock_release+0xa00/0xa00
[  631.326553]  ? perf_trace_sched_process_exec+0x860/0x860
[  631.332005]  ? xa_load+0x2ba/0x460
[  631.335552]  ? lock_downgrade+0x900/0x900
[  631.339712]  ? __might_sleep+0x95/0x190
[  631.343692]  __alloc_pages_nodemask+0xad8/0xea0
[  631.348479]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  631.353497]  ? __page_cache_alloc+0x191/0x5c0
[  631.357996]  ? xa_load+0x2e1/0x460
[  631.361538]  ? xa_clear_mark+0x40/0x40
[  631.365438]  ? zap_class+0x640/0x640
[  631.369161]  ? zap_class+0x640/0x640
[  631.372874]  ? zap_class+0x640/0x640
[  631.376592]  ? __do_page_cache_readahead+0x663/0x810
[  631.381716]  ? find_held_lock+0x36/0x1c0
[  631.385785]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  631.391331]  alloc_pages_current+0x173/0x350
[  631.395759]  __page_cache_alloc+0x38c/0x5c0
[  631.400083]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.405012]  ? kasan_check_read+0x11/0x20
[  631.409177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.414464]  ? generic_perform_write+0x6a0/0x6a0
[  631.419237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.424780]  ? check_preemption_disabled+0x48/0x280
[  631.429807]  filemap_fault+0x1595/0x25f0
[  631.433887]  ? __lock_page_or_retry+0xa00/0xa00
[  631.438561]  ? mark_held_locks+0x130/0x130
[  631.442810]  ? filemap_map_pages+0xd6b/0x1a20
[  631.447315]  ? lock_downgrade+0x900/0x900
[  631.451479]  ? check_preemption_disabled+0x48/0x280
[  631.456512]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.461455]  ? kasan_check_read+0x11/0x20
[  631.465606]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.470883]  ? rcu_softirq_qs+0x20/0x20
[  631.474873]  ? filemap_map_pages+0xd92/0x1a20
[  631.479386]  ? find_get_entries_tag+0x1400/0x1400
[  631.484231]  ? __kernel_text_address+0xd/0x40
[  631.488729]  ? unwind_get_return_address+0x61/0xa0
[  631.493675]  ? lock_acquire+0x1ed/0x520
[  631.497651]  ? ext4_filemap_fault+0x7a/0xad
[  631.501997]  ? lock_release+0xa00/0xa00
[  631.505971]  ? perf_trace_sched_process_exec+0x860/0x860
[  631.511420]  ? print_usage_bug+0xc0/0xc0
[  631.515500]  ? print_usage_bug+0xc0/0xc0
[  631.519561]  ? __x64_sys_read+0x73/0xb0
[  631.523537]  ? print_usage_bug+0xc0/0xc0
[  631.527618]  ? down_read+0x8d/0x120
[  631.531244]  ? ext4_filemap_fault+0x7a/0xad
[  631.535572]  ? __down_interruptible+0x700/0x700
[  631.540249]  ext4_filemap_fault+0x82/0xad
[  631.544409]  __do_fault+0x100/0x6b0
[  631.548045]  ? trace_hardirqs_on+0xbd/0x310
[  631.552373]  ? pmd_devmap_trans_unstable+0x220/0x220
[  631.557483]  ? mark_held_locks+0x130/0x130
[  631.561725]  ? mark_held_locks+0x130/0x130
[  631.565960]  ? do_syslog+0x147b/0x1690
[  631.569852]  ? do_syslog+0x309/0x1690
[  631.573657]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.579218]  __handle_mm_fault+0x3ea0/0x5be0
[  631.583641]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  631.588490]  ? find_held_lock+0x36/0x1c0
[  631.592570]  ? zap_class+0x640/0x640
[  631.596287]  ? zap_class+0x640/0x640
[  631.600010]  ? find_held_lock+0x36/0x1c0
[  631.604098]  ? handle_mm_fault+0x42a/0xc70
[  631.608336]  ? lock_downgrade+0x900/0x900
[  631.612484]  ? check_preemption_disabled+0x48/0x280
[  631.617509]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  631.622446]  ? kasan_check_read+0x11/0x20
[  631.626597]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  631.631892]  ? rcu_softirq_qs+0x20/0x20
[  631.635866]  ? trace_hardirqs_off_caller+0x310/0x310
[  631.640974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  631.646519]  ? check_preemption_disabled+0x48/0x280
[  631.651548]  handle_mm_fault+0x54f/0xc70
[  631.655614]  ? __handle_mm_fault+0x5be0/0x5be0
[  631.660217]  ? find_vma+0x34/0x190
[  631.663765]  __do_page_fault+0x5e8/0xe60
[  631.667830]  ? trace_hardirqs_off+0xb8/0x310
[  631.672238]  ? kernel_write+0x120/0x120
[  631.676223]  do_page_fault+0xf2/0x7e0
[  631.680035]  ? vmalloc_sync_all+0x30/0x30
[  631.684184]  ? error_entry+0x70/0xd0
[  631.687913]  ? trace_hardirqs_off_caller+0xbb/0x310
[  631.692933]  ? trace_hardirqs_on_caller+0xc0/0x310
[  631.697903]  ? syscall_return_slowpath+0x5e0/0x5e0
[  631.702832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.707677]  ? trace_hardirqs_on_caller+0x310/0x310
[  631.712697]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  631.718159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  631.723178]  ? page_fault+0x8/0x30
[  631.726735]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  631.731587]  ? page_fault+0x8/0x30
[  631.735129]  page_fault+0x1e/0x30
[  631.738590] RIP: 0033:0x7fe9f4ff21fd
[  631.742318] Code: Bad RIP value.
[  631.745680] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  631.751043] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  631.758314] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  631.765579] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  631.772848] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  631.780243] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  631.787545] warn_alloc_show_mem: 1 callbacks suppressed
[  631.787562] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  631.787564] Mem-Info:
[  631.787598] active_anon:43385 inactive_anon:190 isolated_anon:0
[  631.787598]  active_file:9 inactive_file:19 isolated_file:0
[  631.787598]  unevictable:0 dirty:0 writeback:0 unstable:0
[  631.787598]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  631.787598]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  631.787598]  free:13722 free_pcp:438 free_cma:0
[  631.792951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  631.792960] Call Trace:
[  631.800067] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  631.802473]  <IRQ>
[  631.835263] 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
[  631.844629]  dump_stack+0x244/0x39d
[  631.847183] lowmem_reserve[]: 0 2818 6321 6321
[  631.874711]  ? dump_stack_print_info.cold.1+0x20/0x20
[  631.876844] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  631.902967]  warn_alloc.cold.116+0xb7/0x1bd
[  631.906579] lowmem_reserve[]: 0 0 3503 3503
[  631.911159]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  631.916327] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  631.943663]  ? lock_downgrade+0x900/0x900
[  631.947983] lowmem_reserve[]: 0 0 0 0
[  631.952350]  ? trace_hardirqs_off+0xb8/0x310
[  631.957209] 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
[  631.986205]  ? trace_hardirqs_off+0xb8/0x310
[  631.990338] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  631.994134]  __alloc_pages_slowpath+0x2651/0x2de0
[  631.998513] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  632.012076]  ? warn_alloc+0x120/0x120
[  632.016451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  632.031461]  ? print_usage_bug+0xc0/0xc0
[  632.036292] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  632.051808]  ? warn_alloc+0x120/0x120
[  632.055581] 272 total pagecache pages
[  632.064414]  ? warn_alloc+0x120/0x120
[  632.068457] 0 pages in swap cache
[  632.077029]  ? print_usage_bug+0xc0/0xc0
[  632.080820] Swap cache stats: add 0, delete 0, find 0/0
[  632.080829] Free swap  = 0kB
[  632.084638]  ? kvm_clock_read+0x18/0x30
[  632.088414] Total swap = 0kB
[  632.091869]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  632.095902] 1965979 pages RAM
[  632.101264]  ? print_usage_bug+0xc0/0xc0
[  632.104252] 0 pages HighMem/MovableOnly
[  632.104261] 342854 pages reserved
[  632.108232]  ? __lock_acquire+0x62f/0x4c20
[  632.111238] 0 pages cma reserved
[  632.116250]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.119417] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  632.123388]  ? should_fail+0x22d/0xd01
[  632.123402]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.123419]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.127540] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  632.130830]  ? __lock_acquire+0x62f/0x4c20
[  632.135050] rsyslogd cpuset=/ mems_allowed=0
[  632.138413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  632.188449]  ? __lock_acquire+0x62f/0x4c20
[  632.192694]  ? should_fail+0x22d/0xd01
[  632.196580]  ? rcu_irq_exit+0x1a2/0x390
[  632.200577]  ? mark_held_locks+0x130/0x130
[  632.204824]  ? mark_held_locks+0x130/0x130
[  632.209071]  ? mark_held_locks+0xc7/0x130
[  632.213226]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  632.218243]  ? zap_class+0x640/0x640
[  632.221977]  ? print_usage_bug+0xc0/0xc0
[  632.226044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.231620]  ? check_preemption_disabled+0x48/0x280
[  632.236659]  ? __lock_is_held+0xb5/0x140
[  632.240727]  __alloc_pages_nodemask+0xad8/0xea0
[  632.245400]  ? zap_class+0x640/0x640
[  632.249128]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  632.254154]  ? find_held_lock+0x36/0x1c0
[  632.258239]  ? ____cache_alloc_node+0x1c7/0x1e0
[  632.262909]  ? lock_downgrade+0x900/0x900
[  632.267078]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.272647]  cache_grow_begin+0xa5/0x8c0
[  632.276720]  ? do_raw_spin_unlock+0xa7/0x330
[  632.281156]  fallback_alloc+0x204/0x2e0
[  632.285137]  ____cache_alloc_node+0x1c7/0x1e0
[  632.289637]  kmem_cache_alloc_node+0xe3/0x730
[  632.294135]  ? ipv6_get_ifaddr+0x42e/0x620
[  632.298379]  __alloc_skb+0x119/0x770
[  632.302095]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.307373]  ? netdev_alloc_frag+0x1f0/0x1f0
[  632.311810]  ? lock_downgrade+0x900/0x900
[  632.315978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.321521]  ? refcount_sub_and_test_checked+0x203/0x310
[  632.326983]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  632.332475]  ? addrconf_rs_timer+0x690/0x690
[  632.336900]  ndisc_alloc_skb+0x144/0x340
[  632.340967]  ndisc_send_rs+0x331/0x6e0
[  632.344865]  addrconf_rs_timer+0x314/0x690
[  632.349116]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.353366]  call_timer_fn+0x272/0x920
[  632.357255]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.361513]  ? process_timeout+0x40/0x40
[  632.365586]  ? __run_timers+0x7da/0xc70
[  632.369573]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.374087]  ? _raw_spin_unlock_irq+0x27/0x80
[  632.378609]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.382847]  ? lockdep_hardirqs_on+0x296/0x5b0
[  632.387442]  ? trace_hardirqs_on+0xbd/0x310
[  632.391763]  ? kasan_check_read+0x11/0x20
[  632.395923]  ? __run_timers+0x7da/0xc70
[  632.399904]  ? trace_hardirqs_off_caller+0x310/0x310
[  632.405015]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.409257]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  632.413492]  __run_timers+0x7e5/0xc70
[  632.417305]  ? timer_fixup_init+0x70/0x70
[  632.421477]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  632.426519]  ? zap_class+0x640/0x640
[  632.430238]  ? enqueue_hrtimer+0x1a5/0x560
[  632.434480]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  632.439676]  ? find_held_lock+0x36/0x1c0
[  632.443742]  ? zap_class+0x640/0x640
[  632.447483]  ? pvclock_read_flags+0x160/0x160
[  632.451980]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.457523]  ? check_preemption_disabled+0x48/0x280
[  632.462576]  ? __lock_is_held+0xb5/0x140
[  632.466646]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.472187]  ? check_preemption_disabled+0x48/0x280
[  632.477224]  run_timer_softirq+0x52/0xb0
[  632.481289]  ? rcu_read_lock_sched_held+0x14f/0x180
[  632.486307]  __do_softirq+0x308/0xb7e
[  632.490114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  632.494610]  ? lock_downgrade+0x900/0x900
[  632.498774]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  632.503906]  ? pvclock_read_flags+0x160/0x160
[  632.508406]  ? lapic_next_event+0x5a/0x90
[  632.512598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.518162]  ? kvm_clock_read+0x18/0x30
[  632.522137]  ? kvm_sched_clock_read+0x9/0x20
[  632.526551]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.532093]  ? check_preemption_disabled+0x48/0x280
[  632.537121]  irq_exit+0x17f/0x1c0
[  632.540582]  smp_apic_timer_interrupt+0x1cb/0x760
[  632.545424]  ? smp_reschedule_interrupt+0x109/0x650
[  632.550457]  ? smp_call_function_single_interrupt+0x650/0x650
[  632.556346]  ? interrupt_entry+0xb5/0xc0
[  632.560410]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.565438]  ? trace_hardirqs_off_caller+0xbb/0x310
[  632.570464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.575312]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.580328]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.585359]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.590214]  apic_timer_interrupt+0xf/0x20
[  632.594452]  </IRQ>
[  632.596692] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  632.601623] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  632.620542] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  632.628250] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  632.635521] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  632.642791] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  632.650057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  632.657324] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  632.664645]  skb_clone+0x1bb/0x500
[  632.668191]  ? finish_task_switch+0x2f4/0x910
[  632.672688]  ? skb_split+0x11e0/0x11e0
[  632.676579]  ? preempt_notifier_register+0x200/0x200
[  632.681682]  ? __switch_to_asm+0x34/0x70
[  632.685752]  ? __switch_to_asm+0x34/0x70
[  632.689822]  ? __switch_to_asm+0x40/0x70
[  632.693880]  ? __switch_to_asm+0x34/0x70
[  632.697941]  ? __switch_to_asm+0x40/0x70
[  632.701998]  ? __switch_to_asm+0x34/0x70
[  632.706058]  ? __switch_to_asm+0x40/0x70
[  632.710119]  ? __switch_to_asm+0x34/0x70
[  632.714186]  ? __switch_to_asm+0x34/0x70
[  632.718248]  ? __switch_to_asm+0x40/0x70
[  632.722325]  ? __switch_to_asm+0x34/0x70
[  632.726407]  bpf_clone_redirect+0xb9/0x490
[  632.730653]  ? __schedule+0x8d7/0x21d0
[  632.734548]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  632.739569]  ? __sched_text_start+0x8/0x8
[  632.743729]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  632.748310]  ? retint_kernel+0x2d/0x2d
[  632.752199]  ? trace_hardirqs_on_caller+0xc0/0x310
[  632.757135]  ? find_held_lock+0x36/0x1c0
[  632.761225]  ? lock_acquire+0x1ed/0x520
[  632.765204]  ? bpf_test_run+0x3ee/0x7a0
[  632.769236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  632.774775]  ? check_preemption_disabled+0x48/0x280
[  632.779810]  ? kasan_check_read+0x11/0x20
[  632.783958]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  632.789236]  ? rcu_softirq_qs+0x20/0x20
[  632.793225]  ? preempt_schedule+0x4d/0x60
[  632.797418]  ? ___preempt_schedule+0x16/0x18
[  632.801842]  ? bpf_test_run+0x271/0x7a0
[  632.805852]  ? netlink_diag_dump+0x2a0/0x2a0
[  632.810267]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  632.815809]  ? bpf_test_init.isra.10+0x70/0x100
[  632.820500]  ? bpf_prog_test_run_skb+0x762/0xd60
[  632.825284]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  632.830136]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  632.835673]  ? fput+0x130/0x1a0
[  632.838961]  ? __bpf_prog_get+0x9b/0x290
[  632.843028]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  632.847878]  ? bpf_prog_test_run+0x130/0x1a0
[  632.852290]  ? __x64_sys_bpf+0x3d8/0x520
[  632.856353]  ? bpf_prog_get+0x20/0x20
[  632.860174]  ? do_syscall_64+0x1b9/0x820
[  632.864236]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  632.869610]  ? syscall_return_slowpath+0x5e0/0x5e0
[  632.874539]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.879389]  ? trace_hardirqs_on_caller+0x310/0x310
[  632.884425]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  632.889462]  ? prepare_exit_to_usermode+0x291/0x3b0
[  632.894488]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  632.899340]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  632.904730] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  632.905026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  632.911942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  632.911948] Call Trace:
[  632.911954]  <IRQ>
[  632.911972]  dump_stack+0x244/0x39d
[  632.911991]  ? dump_stack_print_info.cold.1+0x20/0x20
[  632.912015]  warn_alloc.cold.116+0xb7/0x1bd
[  632.918599] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  632.927857]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  632.927877]  ? lock_downgrade+0x900/0x900
[  632.930596] syz-executor4 cpuset=syz4 mems_allowed=0
[  632.932750]  ? trace_hardirqs_off+0xb8/0x310
[  632.974886]  ? trace_hardirqs_off+0xb8/0x310
[  632.979323]  __alloc_pages_slowpath+0x2651/0x2de0
[  632.984224]  ? warn_alloc+0x120/0x120
[  632.988027]  ? print_usage_bug+0xc0/0xc0
[  632.992109]  ? warn_alloc+0x120/0x120
[  632.995915]  ? warn_alloc+0x120/0x120
[  632.999721]  ? print_usage_bug+0xc0/0xc0
[  633.003787]  ? print_usage_bug+0xc0/0xc0
[  633.007857]  ? __lock_acquire+0x62f/0x4c20
[  633.012120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.017658]  ? should_fail+0x22d/0xd01
[  633.021553]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.026664]  ? __lock_acquire+0x62f/0x4c20
[  633.030903]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.036007]  ? __lock_acquire+0x62f/0x4c20
[  633.040239]  ? should_fail+0x22d/0xd01
[  633.044138]  ? mark_held_locks+0x130/0x130
[  633.048378]  ? mark_held_locks+0x130/0x130
[  633.052630]  ? try_to_wake_up+0x11c/0x1490
[  633.056889]  ? lock_downgrade+0x900/0x900
[  633.061041]  ? zap_class+0x640/0x640
[  633.064756]  ? print_usage_bug+0xc0/0xc0
[  633.068848]  ? trace_hardirqs_off+0xb8/0x310
[  633.073271]  ? kasan_check_read+0x11/0x20
[  633.077421]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.083019]  ? check_preemption_disabled+0x48/0x280
[  633.088063]  ? __lock_is_held+0xb5/0x140
[  633.092131]  __alloc_pages_nodemask+0xad8/0xea0
[  633.096804]  ? zap_class+0x640/0x640
[  633.100526]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  633.105561]  ? find_held_lock+0x36/0x1c0
[  633.109633]  ? ____cache_alloc_node+0x1c7/0x1e0
[  633.114310]  ? lock_downgrade+0x900/0x900
[  633.118479]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.124026]  cache_grow_begin+0xa5/0x8c0
[  633.128088]  ? do_raw_spin_unlock+0xa7/0x330
[  633.132511]  fallback_alloc+0x204/0x2e0
[  633.136496]  ____cache_alloc_node+0x1c7/0x1e0
[  633.140999]  kmem_cache_alloc_node+0xe3/0x730
[  633.145497]  ? ipv6_get_ifaddr+0x42e/0x620
[  633.149747]  __alloc_skb+0x119/0x770
[  633.153465]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.158748]  ? netdev_alloc_frag+0x1f0/0x1f0
[  633.163161]  ? lock_downgrade+0x900/0x900
[  633.167320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.172858]  ? refcount_sub_and_test_checked+0x203/0x310
[  633.178355]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  633.183826]  ? addrconf_rs_timer+0x690/0x690
[  633.188263]  ndisc_alloc_skb+0x144/0x340
[  633.192335]  ndisc_send_rs+0x331/0x6e0
[  633.196229]  addrconf_rs_timer+0x314/0x690
[  633.200479]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.204725]  call_timer_fn+0x272/0x920
[  633.208615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.212849]  ? process_timeout+0x40/0x40
[  633.216924]  ? mark_held_locks+0xc7/0x130
[  633.221072]  ? _raw_spin_unlock_irq+0x27/0x80
[  633.225569]  ? _raw_spin_unlock_irq+0x27/0x80
[  633.230077]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.234313]  ? lockdep_hardirqs_on+0x296/0x5b0
[  633.238898]  ? trace_hardirqs_on+0xbd/0x310
[  633.243220]  ? kasan_check_read+0x11/0x20
[  633.247368]  ? __run_timers+0x7da/0xc70
[  633.251360]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.256473]  ? __queue_work+0x1440/0x1440
[  633.260624]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  633.264873]  __run_timers+0x7e5/0xc70
[  633.268685]  ? timer_fixup_init+0x70/0x70
[  633.272836]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  633.277858]  ? zap_class+0x640/0x640
[  633.281580]  ? print_usage_bug+0xc0/0xc0
[  633.285643]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  633.290844]  ? find_held_lock+0x36/0x1c0
[  633.294946]  ? zap_class+0x640/0x640
[  633.298667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.304210]  ? check_preemption_disabled+0x48/0x280
[  633.309243]  ? __lock_is_held+0xb5/0x140
[  633.313312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.318870]  ? check_preemption_disabled+0x48/0x280
[  633.323913]  run_timer_softirq+0x52/0xb0
[  633.327989]  ? rcu_read_lock_sched_held+0x14f/0x180
[  633.333024]  __do_softirq+0x308/0xb7e
[  633.336830]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  633.341323]  ? lock_downgrade+0x900/0x900
[  633.345490]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  633.350604]  ? pvclock_read_flags+0x160/0x160
[  633.355104]  ? lapic_next_event+0x5a/0x90
[  633.359258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.364806]  ? kvm_clock_read+0x18/0x30
[  633.368784]  ? kvm_sched_clock_read+0x9/0x20
[  633.373195]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.378733]  ? check_preemption_disabled+0x48/0x280
[  633.383765]  irq_exit+0x17f/0x1c0
[  633.387230]  smp_apic_timer_interrupt+0x1cb/0x760
[  633.392092]  ? smp_call_function_single_interrupt+0x650/0x650
[  633.398007]  ? interrupt_entry+0xb5/0xc0
[  633.402071]  ? trace_hardirqs_off_caller+0xbb/0x310
[  633.407086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  633.412106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.416951]  ? trace_hardirqs_on_caller+0x310/0x310
[  633.421972]  ? trace_hardirqs_on_caller+0x310/0x310
[  633.426988]  ? task_prio+0x50/0x50
[  633.430533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.436073]  ? check_preemption_disabled+0x48/0x280
[  633.441097]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  633.445950]  apic_timer_interrupt+0xf/0x20
[  633.450208]  </IRQ>
[  633.452451] RIP: 0010:dump_stack+0x358/0x39d
[  633.456862] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  633.475764] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  633.483468] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  633.490766] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  633.498030] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  633.505302] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  633.512573] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  633.519871]  ? dump_stack+0x34f/0x39d
[  633.523702]  ? dump_stack_print_info.cold.1+0x20/0x20
[  633.528894]  ? mark_held_locks+0x130/0x130
[  633.533132]  ? mark_held_locks+0x130/0x130
[  633.537371]  dump_header+0x27b/0xf72
[  633.541098]  ? pagefault_out_of_memory+0x197/0x197
[  633.546038]  ? __lock_acquire+0x62f/0x4c20
[  633.550287]  ? percpu_ref_get_many+0x240/0x240
[  633.554880]  ? print_usage_bug+0xc0/0xc0
[  633.558952]  ? zap_class+0x640/0x640
[  633.562674]  ? print_usage_bug+0xc0/0xc0
[  633.566734]  ? print_usage_bug+0xc0/0xc0
[  633.570813]  ? zap_class+0x640/0x640
[  633.574567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.580109]  ? find_held_lock+0x36/0x1c0
[  633.584193]  ? mark_held_locks+0xc7/0x130
[  633.588343]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  633.593456]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  633.598565]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  633.603165]  ? trace_hardirqs_on+0xbd/0x310
[  633.607490]  ? kasan_check_read+0x11/0x20
[  633.611633]  ? ___ratelimit+0x3b4/0x672
[  633.615605]  ? trace_hardirqs_off_caller+0x310/0x310
[  633.620724]  ? trace_hardirqs_on+0x310/0x310
[  633.625150]  ? lock_downgrade+0x900/0x900
[  633.629309]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  633.634421]  ? ___ratelimit+0x3b9/0x672
[  633.638448]  ? idr_get_free+0xf70/0xf70
[  633.642427]  ? find_held_lock+0x36/0x1c0
[  633.646508]  oom_kill_process.cold.27+0x10/0x903
[  633.651264]  ? zap_class+0x640/0x640
[  633.654984]  ? check_preemption_disabled+0x48/0x280
[  633.660016]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.664964]  ? kasan_check_read+0x11/0x20
[  633.669126]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.674400]  ? oom_evaluate_task+0x540/0x540
[  633.678826]  ? find_held_lock+0x36/0x1c0
[  633.682905]  ? out_of_memory+0x974/0x1430
[  633.687067]  ? lock_downgrade+0x900/0x900
[  633.691209]  ? check_preemption_disabled+0x48/0x280
[  633.696224]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.701156]  ? kasan_check_read+0x11/0x20
[  633.705306]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.710581]  ? rcu_softirq_qs+0x20/0x20
[  633.714560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.720205]  ? oom_evaluate_task+0x302/0x540
[  633.724694]  out_of_memory+0xa84/0x1430
[  633.728860]  ? oom_killer_disable+0x3a0/0x3a0
[  633.733450]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  633.738398]  ? __ww_mutex_check_waiters+0x160/0x160
[  633.743440]  __alloc_pages_slowpath+0x232c/0x2de0
[  633.748319]  ? warn_alloc+0x120/0x120
[  633.752124]  ? mark_held_locks+0x130/0x130
[  633.756492]  ? find_get_entry+0xaae/0x1120
[  633.760735]  ? filemap_map_pages+0x1a20/0x1a20
[  633.765523]  ? zap_class+0x640/0x640
[  633.769280]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  633.775170]  ? check_preemption_disabled+0x48/0x280
[  633.780194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.785752]  ? should_fail+0x22d/0xd01
[  633.789646]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  633.794770]  ? zap_class+0x640/0x640
[  633.798529]  ? __lock_is_held+0xb5/0x140
[  633.802597]  ? mark_held_locks+0x130/0x130
[  633.806833]  ? lock_release+0xa00/0xa00
[  633.810812]  ? perf_trace_sched_process_exec+0x860/0x860
[  633.816268]  ? xa_load+0x2ba/0x460
[  633.819815]  ? lock_downgrade+0x900/0x900
[  633.823972]  ? __might_sleep+0x95/0x190
[  633.827961]  __alloc_pages_nodemask+0xad8/0xea0
[  633.832641]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  633.837657]  ? __page_cache_alloc+0x191/0x5c0
[  633.842154]  ? xa_load+0x2e1/0x460
[  633.845693]  ? xa_clear_mark+0x40/0x40
[  633.849589]  ? zap_class+0x640/0x640
[  633.853314]  ? zap_class+0x640/0x640
[  633.857029]  ? zap_class+0x640/0x640
[  633.860762]  ? __do_page_cache_readahead+0x663/0x810
[  633.865886]  ? find_held_lock+0x36/0x1c0
[  633.869964]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  633.875512]  alloc_pages_current+0x173/0x350
[  633.879929]  __page_cache_alloc+0x38c/0x5c0
[  633.884250]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.889209]  ? kasan_check_read+0x11/0x20
[  633.893352]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.898636]  ? generic_perform_write+0x6a0/0x6a0
[  633.903395]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  633.908936]  ? check_preemption_disabled+0x48/0x280
[  633.913962]  filemap_fault+0x1595/0x25f0
[  633.918042]  ? __lock_page_or_retry+0xa00/0xa00
[  633.922720]  ? mark_held_locks+0x130/0x130
[  633.926983]  ? filemap_map_pages+0xd6b/0x1a20
[  633.931490]  ? lock_downgrade+0x900/0x900
[  633.935640]  ? check_preemption_disabled+0x48/0x280
[  633.940658]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  633.945591]  ? kasan_check_read+0x11/0x20
[  633.949743]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  633.955024]  ? rcu_softirq_qs+0x20/0x20
[  633.959016]  ? filemap_map_pages+0xd92/0x1a20
[  633.963537]  ? find_get_entries_tag+0x1400/0x1400
[  633.968383]  ? __kernel_text_address+0xd/0x40
[  633.972887]  ? unwind_get_return_address+0x61/0xa0
[  633.977835]  ? lock_acquire+0x1ed/0x520
[  633.981810]  ? ext4_filemap_fault+0x7a/0xad
[  633.986145]  ? lock_release+0xa00/0xa00
[  633.990119]  ? perf_trace_sched_process_exec+0x860/0x860
[  633.995570]  ? print_usage_bug+0xc0/0xc0
[  633.999635]  ? print_usage_bug+0xc0/0xc0
[  634.003699]  ? __x64_sys_read+0x73/0xb0
[  634.007678]  ? print_usage_bug+0xc0/0xc0
[  634.011753]  ? down_read+0x8d/0x120
[  634.015380]  ? ext4_filemap_fault+0x7a/0xad
[  634.019703]  ? __down_interruptible+0x700/0x700
[  634.024399]  ext4_filemap_fault+0x82/0xad
[  634.028563]  __do_fault+0x100/0x6b0
[  634.032195]  ? trace_hardirqs_on+0xbd/0x310
[  634.036524]  ? pmd_devmap_trans_unstable+0x220/0x220
[  634.041634]  ? mark_held_locks+0x130/0x130
[  634.045876]  ? mark_held_locks+0x130/0x130
[  634.050113]  ? do_syslog+0x147b/0x1690
[  634.054010]  ? do_syslog+0x309/0x1690
[  634.057814]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.063363]  __handle_mm_fault+0x3ea0/0x5be0
[  634.067785]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  634.072639]  ? find_held_lock+0x36/0x1c0
[  634.076720]  ? zap_class+0x640/0x640
[  634.080441]  ? zap_class+0x640/0x640
[  634.084166]  ? find_held_lock+0x36/0x1c0
[  634.088239]  ? handle_mm_fault+0x42a/0xc70
[  634.092476]  ? lock_downgrade+0x900/0x900
[  634.096630]  ? check_preemption_disabled+0x48/0x280
[  634.101670]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  634.106605]  ? kasan_check_read+0x11/0x20
[  634.110762]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.116046]  ? rcu_softirq_qs+0x20/0x20
[  634.120024]  ? trace_hardirqs_off_caller+0x310/0x310
[  634.125131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.130672]  ? check_preemption_disabled+0x48/0x280
[  634.135703]  handle_mm_fault+0x54f/0xc70
[  634.139773]  ? __handle_mm_fault+0x5be0/0x5be0
[  634.144360]  ? find_vma+0x34/0x190
[  634.147911]  __do_page_fault+0x5e8/0xe60
[  634.151977]  ? trace_hardirqs_off+0xb8/0x310
[  634.156383]  ? kernel_write+0x120/0x120
[  634.160418]  do_page_fault+0xf2/0x7e0
[  634.164235]  ? vmalloc_sync_all+0x30/0x30
[  634.168384]  ? error_entry+0x70/0xd0
[  634.172107]  ? trace_hardirqs_off_caller+0xbb/0x310
[  634.177125]  ? trace_hardirqs_on_caller+0xc0/0x310
[  634.182060]  ? syscall_return_slowpath+0x5e0/0x5e0
[  634.186988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.191832]  ? trace_hardirqs_on_caller+0x310/0x310
[  634.196850]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  634.202312]  ? prepare_exit_to_usermode+0x291/0x3b0
[  634.207331]  ? page_fault+0x8/0x30
[  634.210874]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  634.215722]  ? page_fault+0x8/0x30
[  634.219289]  page_fault+0x1e/0x30
[  634.222745] RIP: 0033:0x7fe9f4ff21fd
[  634.226476] Code: Bad RIP value.
[  634.229840] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  634.235200] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  634.242466] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  634.249733] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  634.256997] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  634.264263] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  634.271556] warn_alloc_show_mem: 1 callbacks suppressed
[  634.271568] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  634.271570] Mem-Info:
[  634.271598] active_anon:43385 inactive_anon:190 isolated_anon:0
[  634.271598]  active_file:9 inactive_file:19 isolated_file:0
[  634.271598]  unevictable:0 dirty:0 writeback:0 unstable:0
[  634.271598]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  634.271598]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  634.271598]  free:13722 free_pcp:438 free_cma:0
[  634.276955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  634.284052] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  634.286451] Call Trace:
[  634.319238] 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
[  634.328598]  <IRQ>
[  634.356167] lowmem_reserve[]: 0 2818 6321 6321
[  634.358772]  dump_stack+0x244/0x39d
[  634.384853] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  634.387016]  ? dump_stack_print_info.cold.1+0x20/0x20
[  634.391571] lowmem_reserve[]: 0 0 3503 3503
[  634.395201]  warn_alloc.cold.116+0xb7/0x1bd
[  634.422496] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  634.427683]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  634.431985] lowmem_reserve[]: 0 0 0 0
[  634.436310]  ? lock_downgrade+0x900/0x900
[  634.465259] 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
[  634.470105]  ? trace_hardirqs_off+0xb8/0x310
[  634.473876] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  634.478020]  ? trace_hardirqs_off+0xb8/0x310
[  634.491606] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  634.496036]  __alloc_pages_slowpath+0x2651/0x2de0
[  634.511009] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  634.515426]  ? warn_alloc+0x120/0x120
[  634.530907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  634.535740]  ? warn_alloc+0x120/0x120
[  634.544549] 272 total pagecache pages
[  634.548345]  ? warn_alloc+0x120/0x120
[  634.556900] 0 pages in swap cache
[  634.560691]  ? print_usage_bug+0xc0/0xc0
[  634.564468] Swap cache stats: add 0, delete 0, find 0/0
[  634.568260]  ? print_usage_bug+0xc0/0xc0
[  634.571688] Free swap  = 0kB
[  634.575743]  ? print_usage_bug+0xc0/0xc0
[  634.581075] Total swap = 0kB
[  634.581084] 1965979 pages RAM
[  634.585142]  ? print_usage_bug+0xc0/0xc0
[  634.588139] 0 pages HighMem/MovableOnly
[  634.592207]  ? print_usage_bug+0xc0/0xc0
[  634.595213] 342854 pages reserved
[  634.595221] 0 pages cma reserved
[  634.598352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  634.602463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  634.606397]  ? should_fail+0x22d/0xd01
[  634.610509] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  634.614101]  ? print_usage_bug+0xc0/0xc0
[  634.617464] rsyslogd cpuset=/ mems_allowed=0
[  634.622995]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.656925]  ? __lock_acquire+0x62f/0x4c20
[  634.661168]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  634.666290]  ? should_fail+0x22d/0xd01
[  634.670196]  ? __lock_acquire+0x62f/0x4c20
[  634.674447]  ? mark_held_locks+0x130/0x130
[  634.678689]  ? mark_held_locks+0x130/0x130
[  634.682930]  ? mark_held_locks+0x130/0x130
[  634.687177]  ? zap_class+0x640/0x640
[  634.690892]  ? mark_held_locks+0x130/0x130
[  634.695127]  ? zap_class+0x640/0x640
[  634.698860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.704400]  ? check_preemption_disabled+0x48/0x280
[  634.709454]  ? __lock_is_held+0xb5/0x140
[  634.713526]  __alloc_pages_nodemask+0xad8/0xea0
[  634.718210]  ? zap_class+0x640/0x640
[  634.721929]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  634.726959]  ? find_held_lock+0x36/0x1c0
[  634.731031]  ? ____cache_alloc_node+0x1c7/0x1e0
[  634.735708]  ? lock_downgrade+0x900/0x900
[  634.739866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.745427]  cache_grow_begin+0xa5/0x8c0
[  634.749502]  ? do_raw_spin_unlock+0xa7/0x330
[  634.753920]  fallback_alloc+0x204/0x2e0
[  634.757905]  ____cache_alloc_node+0x1c7/0x1e0
[  634.762410]  kmem_cache_alloc_node+0xe3/0x730
[  634.766929]  ? lockdep_hardirqs_on+0x296/0x5b0
[  634.771523]  __alloc_skb+0x119/0x770
[  634.775238]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  634.780608]  ? netdev_alloc_frag+0x1f0/0x1f0
[  634.785038]  ? lock_acquire+0x1ed/0x520
[  634.789082]  ? aoecmd_cfg+0x108/0x7f0
[  634.792895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.798467]  ? check_preemption_disabled+0x48/0x280
[  634.803494]  ? kasan_check_read+0x11/0x20
[  634.807646]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  634.812924]  ? rcu_softirq_qs+0x20/0x20
[  634.816899]  ? do_raw_spin_trylock+0x270/0x270
[  634.821498]  new_skb+0x26/0x1c0
[  634.824780]  aoecmd_cfg+0x279/0x7f0
[  634.828416]  ? find_held_lock+0x36/0x1c0
[  634.832492]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  634.836826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.842378]  ? check_preemption_disabled+0x48/0x280
[  634.847403]  ? __lock_is_held+0xb5/0x140
[  634.851484]  discover_timer+0x50/0x60
[  634.855285]  call_timer_fn+0x272/0x920
[  634.859178]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  634.864024]  ? process_timeout+0x40/0x40
[  634.868093]  ? __run_timers+0x7da/0xc70
[  634.872093]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.876585]  ? _raw_spin_unlock_irq+0x27/0x80
[  634.881082]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  634.885928]  ? lockdep_hardirqs_on+0x296/0x5b0
[  634.890515]  ? trace_hardirqs_on+0xbd/0x310
[  634.894838]  ? kasan_check_read+0x11/0x20
[  634.898986]  ? __run_timers+0x7da/0xc70
[  634.902961]  ? trace_hardirqs_off_caller+0x310/0x310
[  634.908208]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  634.913049]  __run_timers+0x7e5/0xc70
[  634.916861]  ? timer_fixup_init+0x70/0x70
[  634.921017]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  634.926038]  ? zap_class+0x640/0x640
[  634.929757]  ? enqueue_hrtimer+0x1a5/0x560
[  634.933998]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  634.939195]  ? find_held_lock+0x36/0x1c0
[  634.943268]  ? zap_class+0x640/0x640
[  634.946988]  ? pvclock_read_flags+0x160/0x160
[  634.951489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.957033]  ? check_preemption_disabled+0x48/0x280
[  634.962088]  ? __lock_is_held+0xb5/0x140
[  634.966167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  634.971707]  ? check_preemption_disabled+0x48/0x280
[  634.976730]  run_timer_softirq+0x52/0xb0
[  634.980799]  ? rcu_read_lock_sched_held+0x14f/0x180
[  634.985820]  __do_softirq+0x308/0xb7e
[  634.989628]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  634.994129]  ? lock_downgrade+0x900/0x900
[  634.998281]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  635.003392]  ? pvclock_read_flags+0x160/0x160
[  635.007891]  ? lapic_next_event+0x5a/0x90
[  635.012054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.017600]  ? kvm_clock_read+0x18/0x30
[  635.021578]  ? kvm_sched_clock_read+0x9/0x20
[  635.025994]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.031537]  ? check_preemption_disabled+0x48/0x280
[  635.036561]  irq_exit+0x17f/0x1c0
[  635.040015]  smp_apic_timer_interrupt+0x1cb/0x760
[  635.044855]  ? smp_reschedule_interrupt+0x109/0x650
[  635.049879]  ? smp_call_function_single_interrupt+0x650/0x650
[  635.055766]  ? interrupt_entry+0xb5/0xc0
[  635.059850]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.064867]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.069884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.074730]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.079747]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.084778]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.089636]  apic_timer_interrupt+0xf/0x20
[  635.093868]  </IRQ>
[  635.096114] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  635.101048] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  635.119949] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  635.127657] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  635.134922] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  635.142203] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  635.149471] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  635.156740] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  635.164053]  skb_clone+0x1bb/0x500
[  635.167596]  ? finish_task_switch+0x2f4/0x910
[  635.172092]  ? skb_split+0x11e0/0x11e0
[  635.175986]  ? preempt_notifier_register+0x200/0x200
[  635.181088]  ? __switch_to_asm+0x34/0x70
[  635.185178]  ? __switch_to_asm+0x34/0x70
[  635.189286]  ? __switch_to_asm+0x40/0x70
[  635.193361]  ? __switch_to_asm+0x34/0x70
[  635.197416]  ? __switch_to_asm+0x40/0x70
[  635.201480]  ? __switch_to_asm+0x34/0x70
[  635.205537]  ? __switch_to_asm+0x40/0x70
[  635.209599]  ? __switch_to_asm+0x34/0x70
[  635.213676]  ? __switch_to_asm+0x34/0x70
[  635.217735]  ? __switch_to_asm+0x40/0x70
[  635.221815]  ? __switch_to_asm+0x34/0x70
[  635.225880]  bpf_clone_redirect+0xb9/0x490
[  635.230116]  ? __schedule+0x8d7/0x21d0
[  635.234026]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  635.239060]  ? __sched_text_start+0x8/0x8
[  635.243214]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  635.247830]  ? retint_kernel+0x2d/0x2d
[  635.251719]  ? trace_hardirqs_on_caller+0xc0/0x310
[  635.256800]  ? find_held_lock+0x36/0x1c0
[  635.260871]  ? lock_acquire+0x1ed/0x520
[  635.264848]  ? bpf_test_run+0x3ee/0x7a0
[  635.268839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.274380]  ? check_preemption_disabled+0x48/0x280
[  635.279405]  ? kasan_check_read+0x11/0x20
[  635.283560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.288850]  ? rcu_softirq_qs+0x20/0x20
[  635.292832]  ? preempt_schedule+0x4d/0x60
[  635.297001]  ? ___preempt_schedule+0x16/0x18
[  635.301415]  ? bpf_test_run+0x271/0x7a0
[  635.305402]  ? netlink_diag_dump+0x2a0/0x2a0
[  635.309817]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.315354]  ? bpf_test_init.isra.10+0x70/0x100
[  635.320027]  ? bpf_prog_test_run_skb+0x762/0xd60
[  635.324813]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  635.329665]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  635.335200]  ? fput+0x130/0x1a0
[  635.338488]  ? __bpf_prog_get+0x9b/0x290
[  635.342552]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  635.347400]  ? bpf_prog_test_run+0x130/0x1a0
[  635.351819]  ? __x64_sys_bpf+0x3d8/0x520
[  635.355878]  ? bpf_prog_get+0x20/0x20
[  635.359699]  ? do_syscall_64+0x1b9/0x820
[  635.363758]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  635.369132]  ? syscall_return_slowpath+0x5e0/0x5e0
[  635.374063]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.378910]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.383931]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  635.388949]  ? prepare_exit_to_usermode+0x291/0x3b0
[  635.393984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.398849]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  635.404234] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  635.404300] aoe: skb alloc failure
[  635.411002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  635.411010] Call Trace:
[  635.414596] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  635.423882]  <IRQ>
[  635.426498] syz-executor4 cpuset=syz4 mems_allowed=0
[  635.436977]  dump_stack+0x244/0x39d
[  635.447821]  ? dump_stack_print_info.cold.1+0x20/0x20
[  635.453026]  warn_alloc.cold.116+0xb7/0x1bd
[  635.457351]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  635.462206]  ? lock_downgrade+0x900/0x900
[  635.466365]  ? trace_hardirqs_off+0xb8/0x310
[  635.470783]  ? trace_hardirqs_off+0xb8/0x310
[  635.475200]  __alloc_pages_slowpath+0x2651/0x2de0
[  635.480082]  ? warn_alloc+0x120/0x120
[  635.483915]  ? print_usage_bug+0xc0/0xc0
[  635.487986]  ? warn_alloc+0x120/0x120
[  635.491810]  ? warn_alloc+0x120/0x120
[  635.495610]  ? print_usage_bug+0xc0/0xc0
[  635.499676]  ? print_usage_bug+0xc0/0xc0
[  635.503742]  ? __lock_acquire+0x62f/0x4c20
[  635.508004]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.513550]  ? should_fail+0x22d/0xd01
[  635.517454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.522559]  ? __lock_acquire+0x62f/0x4c20
[  635.526827]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  635.531977]  ? __lock_acquire+0x62f/0x4c20
[  635.536210]  ? should_fail+0x22d/0xd01
[  635.540096]  ? find_held_lock+0x36/0x1c0
[  635.544170]  ? mark_held_locks+0x130/0x130
[  635.548412]  ? mark_held_locks+0x130/0x130
[  635.552653]  ? zap_class+0x640/0x640
[  635.556366]  ? zap_class+0x640/0x640
[  635.560084]  ? print_usage_bug+0xc0/0xc0
[  635.564159]  ? do_raw_spin_unlock+0xa7/0x330
[  635.568567]  ? zap_class+0x640/0x640
[  635.572303]  ? print_usage_bug+0xc0/0xc0
[  635.576367]  ? wq_watchdog_touch+0x9c/0xfe
[  635.580613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.586153]  ? check_preemption_disabled+0x48/0x280
[  635.591182]  ? __lock_is_held+0xb5/0x140
[  635.595252]  __alloc_pages_nodemask+0xad8/0xea0
[  635.599925]  ? zap_class+0x640/0x640
[  635.603644]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  635.608674]  ? find_held_lock+0x36/0x1c0
[  635.612744]  ? ____cache_alloc_node+0x1c7/0x1e0
[  635.617436]  ? lock_downgrade+0x900/0x900
[  635.621601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.627138]  cache_grow_begin+0xa5/0x8c0
[  635.631192]  ? do_raw_spin_unlock+0xa7/0x330
[  635.635610]  fallback_alloc+0x204/0x2e0
[  635.639594]  ____cache_alloc_node+0x1c7/0x1e0
[  635.644094]  kmem_cache_alloc_node+0xe3/0x730
[  635.648629]  ? ipv6_get_ifaddr+0x42e/0x620
[  635.652873]  __alloc_skb+0x119/0x770
[  635.656585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  635.661867]  ? netdev_alloc_frag+0x1f0/0x1f0
[  635.666298]  ? lock_downgrade+0x900/0x900
[  635.670460]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.676022]  ? refcount_sub_and_test_checked+0x203/0x310
[  635.681475]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  635.686945]  ? addrconf_rs_timer+0x690/0x690
[  635.691365]  ndisc_alloc_skb+0x144/0x340
[  635.695456]  ndisc_send_rs+0x331/0x6e0
[  635.699356]  addrconf_rs_timer+0x314/0x690
[  635.703596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.707845]  call_timer_fn+0x272/0x920
[  635.711736]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.715994]  ? process_timeout+0x40/0x40
[  635.720067]  ? mark_held_locks+0xc7/0x130
[  635.724220]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.728711]  ? _raw_spin_unlock_irq+0x27/0x80
[  635.733201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.737444]  ? lockdep_hardirqs_on+0x296/0x5b0
[  635.742030]  ? trace_hardirqs_on+0xbd/0x310
[  635.746359]  ? kasan_check_read+0x11/0x20
[  635.750506]  ? __run_timers+0x7da/0xc70
[  635.754478]  ? trace_hardirqs_off_caller+0x310/0x310
[  635.759615]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.763905]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  635.768154]  __run_timers+0x7e5/0xc70
[  635.771967]  ? timer_fixup_init+0x70/0x70
[  635.776292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  635.781313]  ? zap_class+0x640/0x640
[  635.785045]  ? print_usage_bug+0xc0/0xc0
[  635.789107]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  635.794303]  ? find_held_lock+0x36/0x1c0
[  635.798366]  ? zap_class+0x640/0x640
[  635.802087]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.807624]  ? check_preemption_disabled+0x48/0x280
[  635.812644]  ? __lock_is_held+0xb5/0x140
[  635.816700]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.822244]  ? check_preemption_disabled+0x48/0x280
[  635.827262]  run_timer_softirq+0x52/0xb0
[  635.831327]  ? rcu_read_lock_sched_held+0x14f/0x180
[  635.836606]  __do_softirq+0x308/0xb7e
[  635.840407]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  635.844911]  ? lock_downgrade+0x900/0x900
[  635.849109]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  635.854218]  ? pvclock_read_flags+0x160/0x160
[  635.858715]  ? lapic_next_event+0x5a/0x90
[  635.862866]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.868407]  ? kvm_clock_read+0x18/0x30
[  635.872389]  ? kvm_sched_clock_read+0x9/0x20
[  635.876795]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  635.882335]  ? check_preemption_disabled+0x48/0x280
[  635.887366]  irq_exit+0x17f/0x1c0
[  635.890841]  smp_apic_timer_interrupt+0x1cb/0x760
[  635.895688]  ? smp_call_function_single_interrupt+0x650/0x650
[  635.901572]  ? interrupt_entry+0xb5/0xc0
[  635.905640]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.910659]  ? trace_hardirqs_off_caller+0xbb/0x310
[  635.915680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.920522]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.925537]  ? trace_hardirqs_on_caller+0x310/0x310
[  635.930566]  ? task_prio+0x50/0x50
[  635.934114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  635.939656]  ? check_preemption_disabled+0x48/0x280
[  635.944696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  635.949549]  apic_timer_interrupt+0xf/0x20
[  635.953778]  </IRQ>
[  635.956018] RIP: 0010:dump_stack+0x358/0x39d
[  635.960427] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  635.979353] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  635.987079] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  635.994347] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  636.001614] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  636.008884] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  636.016154] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  636.023458]  ? dump_stack+0x34f/0x39d
[  636.027274]  ? dump_stack_print_info.cold.1+0x20/0x20
[  636.032489]  ? mark_held_locks+0x130/0x130
[  636.036736]  ? mark_held_locks+0x130/0x130
[  636.040992]  dump_header+0x27b/0xf72
[  636.044726]  ? pagefault_out_of_memory+0x197/0x197
[  636.049667]  ? __lock_acquire+0x62f/0x4c20
[  636.053905]  ? percpu_ref_get_many+0x240/0x240
[  636.058489]  ? print_usage_bug+0xc0/0xc0
[  636.062556]  ? zap_class+0x640/0x640
[  636.066293]  ? print_usage_bug+0xc0/0xc0
[  636.070351]  ? print_usage_bug+0xc0/0xc0
[  636.074436]  ? zap_class+0x640/0x640
[  636.078159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.083706]  ? find_held_lock+0x36/0x1c0
[  636.087778]  ? mark_held_locks+0xc7/0x130
[  636.091933]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.097035]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  636.102142]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  636.106728]  ? trace_hardirqs_on+0xbd/0x310
[  636.111070]  ? kasan_check_read+0x11/0x20
[  636.115217]  ? ___ratelimit+0x3b4/0x672
[  636.119195]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.124305]  ? trace_hardirqs_on+0x310/0x310
[  636.128713]  ? lock_downgrade+0x900/0x900
[  636.132866]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  636.137984]  ? ___ratelimit+0x3b9/0x672
[  636.141964]  ? idr_get_free+0xf70/0xf70
[  636.145939]  ? find_held_lock+0x36/0x1c0
[  636.150014]  oom_kill_process.cold.27+0x10/0x903
[  636.154774]  ? zap_class+0x640/0x640
[  636.158505]  ? check_preemption_disabled+0x48/0x280
[  636.163525]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.168479]  ? kasan_check_read+0x11/0x20
[  636.172627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.177925]  ? oom_evaluate_task+0x540/0x540
[  636.182339]  ? find_held_lock+0x36/0x1c0
[  636.186409]  ? out_of_memory+0x974/0x1430
[  636.190574]  ? lock_downgrade+0x900/0x900
[  636.194741]  ? check_preemption_disabled+0x48/0x280
[  636.199775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.204707]  ? kasan_check_read+0x11/0x20
[  636.208858]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.214134]  ? rcu_softirq_qs+0x20/0x20
[  636.218133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.223673]  ? oom_evaluate_task+0x302/0x540
[  636.228087]  out_of_memory+0xa84/0x1430
[  636.232070]  ? oom_killer_disable+0x3a0/0x3a0
[  636.236581]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  636.241515]  ? __ww_mutex_check_waiters+0x160/0x160
[  636.246549]  __alloc_pages_slowpath+0x232c/0x2de0
[  636.251424]  ? warn_alloc+0x120/0x120
[  636.255233]  ? mark_held_locks+0x130/0x130
[  636.259472]  ? find_get_entry+0xaae/0x1120
[  636.263716]  ? filemap_map_pages+0x1a20/0x1a20
[  636.268327]  ? zap_class+0x640/0x640
[  636.272064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  636.277603]  ? check_preemption_disabled+0x48/0x280
[  636.282623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.288162]  ? should_fail+0x22d/0xd01
[  636.292075]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  636.297195]  ? zap_class+0x640/0x640
[  636.300935]  ? __lock_is_held+0xb5/0x140
[  636.305005]  ? mark_held_locks+0x130/0x130
[  636.309252]  ? lock_release+0xa00/0xa00
[  636.313228]  ? perf_trace_sched_process_exec+0x860/0x860
[  636.318683]  ? xa_load+0x2ba/0x460
[  636.322229]  ? lock_downgrade+0x900/0x900
[  636.326381]  ? __might_sleep+0x95/0x190
[  636.330363]  __alloc_pages_nodemask+0xad8/0xea0
[  636.335069]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  636.340088]  ? __page_cache_alloc+0x191/0x5c0
[  636.344588]  ? xa_load+0x2e1/0x460
[  636.348133]  ? xa_clear_mark+0x40/0x40
[  636.352062]  ? zap_class+0x640/0x640
[  636.355786]  ? zap_class+0x640/0x640
[  636.359498]  ? zap_class+0x640/0x640
[  636.363213]  ? __do_page_cache_readahead+0x663/0x810
[  636.368338]  ? find_held_lock+0x36/0x1c0
[  636.372415]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  636.377968]  alloc_pages_current+0x173/0x350
[  636.382382]  __page_cache_alloc+0x38c/0x5c0
[  636.386703]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.391629]  ? kasan_check_read+0x11/0x20
[  636.395776]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.401055]  ? generic_perform_write+0x6a0/0x6a0
[  636.405809]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.411349]  ? check_preemption_disabled+0x48/0x280
[  636.416373]  filemap_fault+0x1595/0x25f0
[  636.420465]  ? __lock_page_or_retry+0xa00/0xa00
[  636.425158]  ? mark_held_locks+0x130/0x130
[  636.429414]  ? filemap_map_pages+0xd6b/0x1a20
[  636.433923]  ? lock_downgrade+0x900/0x900
[  636.438070]  ? check_preemption_disabled+0x48/0x280
[  636.443105]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.448033]  ? kasan_check_read+0x11/0x20
[  636.452181]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.457477]  ? rcu_softirq_qs+0x20/0x20
[  636.461472]  ? filemap_map_pages+0xd92/0x1a20
[  636.465981]  ? find_get_entries_tag+0x1400/0x1400
[  636.470825]  ? __kernel_text_address+0xd/0x40
[  636.475326]  ? unwind_get_return_address+0x61/0xa0
[  636.480272]  ? lock_acquire+0x1ed/0x520
[  636.484279]  ? ext4_filemap_fault+0x7a/0xad
[  636.488611]  ? lock_release+0xa00/0xa00
[  636.492590]  ? perf_trace_sched_process_exec+0x860/0x860
[  636.498042]  ? print_usage_bug+0xc0/0xc0
[  636.502132]  ? print_usage_bug+0xc0/0xc0
[  636.506191]  ? __x64_sys_read+0x73/0xb0
[  636.510165]  ? print_usage_bug+0xc0/0xc0
[  636.514237]  ? down_read+0x8d/0x120
[  636.517889]  ? ext4_filemap_fault+0x7a/0xad
[  636.522213]  ? __down_interruptible+0x700/0x700
[  636.526894]  ext4_filemap_fault+0x82/0xad
[  636.531078]  __do_fault+0x100/0x6b0
[  636.534703]  ? trace_hardirqs_on+0xbd/0x310
[  636.539030]  ? pmd_devmap_trans_unstable+0x220/0x220
[  636.544138]  ? mark_held_locks+0x130/0x130
[  636.548376]  ? mark_held_locks+0x130/0x130
[  636.552607]  ? do_syslog+0x147b/0x1690
[  636.556494]  ? do_syslog+0x309/0x1690
[  636.560301]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.565864]  __handle_mm_fault+0x3ea0/0x5be0
[  636.570288]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  636.575139]  ? find_held_lock+0x36/0x1c0
[  636.579236]  ? zap_class+0x640/0x640
[  636.582951]  ? zap_class+0x640/0x640
[  636.586670]  ? find_held_lock+0x36/0x1c0
[  636.590743]  ? handle_mm_fault+0x42a/0xc70
[  636.594980]  ? lock_downgrade+0x900/0x900
[  636.599129]  ? check_preemption_disabled+0x48/0x280
[  636.604187]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  636.609145]  ? kasan_check_read+0x11/0x20
[  636.613302]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  636.618583]  ? rcu_softirq_qs+0x20/0x20
[  636.622557]  ? trace_hardirqs_off_caller+0x310/0x310
[  636.627670]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  636.633215]  ? check_preemption_disabled+0x48/0x280
[  636.638245]  handle_mm_fault+0x54f/0xc70
[  636.642313]  ? __handle_mm_fault+0x5be0/0x5be0
[  636.646901]  ? find_vma+0x34/0x190
[  636.650454]  __do_page_fault+0x5e8/0xe60
[  636.654515]  ? trace_hardirqs_off+0xb8/0x310
[  636.658922]  ? kernel_write+0x120/0x120
[  636.662907]  do_page_fault+0xf2/0x7e0
[  636.666709]  ? vmalloc_sync_all+0x30/0x30
[  636.670858]  ? error_entry+0x70/0xd0
[  636.674605]  ? trace_hardirqs_off_caller+0xbb/0x310
[  636.679620]  ? trace_hardirqs_on_caller+0xc0/0x310
[  636.684550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  636.689482]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.694337]  ? trace_hardirqs_on_caller+0x310/0x310
[  636.699399]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  636.704861]  ? prepare_exit_to_usermode+0x291/0x3b0
[  636.709878]  ? page_fault+0x8/0x30
[  636.713459]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  636.718312]  ? page_fault+0x8/0x30
[  636.721856]  page_fault+0x1e/0x30
[  636.725311] RIP: 0033:0x7fe9f4ff21fd
[  636.729057] Code: Bad RIP value.
[  636.732416] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  636.737784] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  636.745054] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  636.752320] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  636.759585] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  636.766855] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  636.774147] warn_alloc_show_mem: 1 callbacks suppressed
[  636.774159] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  636.774161] Mem-Info:
[  636.774191] active_anon:43385 inactive_anon:190 isolated_anon:0
[  636.774191]  active_file:9 inactive_file:19 isolated_file:0
[  636.774191]  unevictable:0 dirty:0 writeback:0 unstable:0
[  636.774191]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  636.774191]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  636.774191]  free:13722 free_pcp:438 free_cma:0
[  636.779530] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  636.779539] Call Trace:
[  636.786648] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  636.789048]  <IRQ>
[  636.821827] 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
[  636.831184]  dump_stack+0x244/0x39d
[  636.833732] lowmem_reserve[]: 0 2818 6321 6321
[  636.861235]  ? dump_stack_print_info.cold.1+0x20/0x20
[  636.863359] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  636.889491]  warn_alloc.cold.116+0xb7/0x1bd
[  636.893086] lowmem_reserve[]: 0 0 3503 3503
[  636.897685]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  636.902855] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  636.930314]  ? lock_downgrade+0x900/0x900
[  636.934607] lowmem_reserve[]: 0 0 0 0
[  636.938935]  ? trace_hardirqs_off+0xb8/0x310
[  636.943761] 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
[  636.972747]  ? trace_hardirqs_off+0xb8/0x310
[  636.976867] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  636.980675]  __alloc_pages_slowpath+0x2651/0x2de0
[  636.985063] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  636.998613]  ? warn_alloc+0x120/0x120
[  637.003010] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  637.017998]  ? warn_alloc+0x120/0x120
[  637.023047] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  637.038583]  ? warn_alloc+0x120/0x120
[  637.042364] 272 total pagecache pages
[  637.051189]  ? print_usage_bug+0xc0/0xc0
[  637.051205]  ? print_usage_bug+0xc0/0xc0
[  637.051218]  ? ktime_get+0x2c1/0x400
[  637.051237]  ? check_preemption_disabled+0x48/0x280
[  637.051252]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  637.055448] 0 pages in swap cache
[  637.064012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.068026] Swap cache stats: add 0, delete 0, find 0/0
[  637.071880]  ? should_fail+0x22d/0xd01
[  637.075986] Free swap  = 0kB
[  637.080044]  ? kasan_check_read+0x11/0x20
[  637.083726] Total swap = 0kB
[  637.083734] 1965979 pages RAM
[  637.088745]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.093243] 0 pages HighMem/MovableOnly
[  637.096689]  ? __lock_acquire+0x62f/0x4c20
[  637.102197] 342854 pages reserved
[  637.102205] 0 pages cma reserved
[  637.107562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  637.111491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  637.114454]  ? should_fail+0x22d/0xd01
[  637.118725] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  637.121593]  ? print_usage_bug+0xc0/0xc0
[  637.124676] rsyslogd cpuset=/ mems_allowed=0
[  637.129806]  ? mark_held_locks+0x130/0x130
[  637.182909]  ? mark_held_locks+0x130/0x130
[  637.187156]  ? check_preemption_disabled+0x48/0x280
[  637.192176]  ? zap_class+0x640/0x640
[  637.195891]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  637.200650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.206186]  ? check_preemption_disabled+0x48/0x280
[  637.211212]  ? __lock_is_held+0xb5/0x140
[  637.215280]  __alloc_pages_nodemask+0xad8/0xea0
[  637.219948]  ? zap_class+0x640/0x640
[  637.223668]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  637.228710]  ? find_held_lock+0x36/0x1c0
[  637.232780]  ? ____cache_alloc_node+0x1c7/0x1e0
[  637.237458]  ? lock_downgrade+0x900/0x900
[  637.241609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.247178]  cache_grow_begin+0xa5/0x8c0
[  637.251254]  ? do_raw_spin_unlock+0xa7/0x330
[  637.255671]  fallback_alloc+0x204/0x2e0
[  637.259666]  ____cache_alloc_node+0x1c7/0x1e0
[  637.264163]  kmem_cache_alloc_node+0xe3/0x730
[  637.268658]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.273244]  __alloc_skb+0x119/0x770
[  637.277230]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  637.282620]  ? netdev_alloc_frag+0x1f0/0x1f0
[  637.287039]  ? vprintk_default+0x28/0x30
[  637.291135]  ? vprintk_func+0x85/0x181
[  637.295027]  ? printk+0xa7/0xcf
[  637.298307]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  637.303064]  ? do_raw_spin_trylock+0x270/0x270
[  637.307645]  new_skb+0x26/0x1c0
[  637.310920]  aoecmd_cfg+0x279/0x7f0
[  637.314544]  ? find_held_lock+0x36/0x1c0
[  637.318609]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  637.322943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.328491]  ? __lock_is_held+0xb5/0x140
[  637.332564]  discover_timer+0x50/0x60
[  637.336363]  call_timer_fn+0x272/0x920
[  637.340246]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.345098]  ? process_timeout+0x40/0x40
[  637.349165]  ? __run_timers+0x7da/0xc70
[  637.353157]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.357652]  ? _raw_spin_unlock_irq+0x27/0x80
[  637.362147]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.366986]  ? lockdep_hardirqs_on+0x296/0x5b0
[  637.371587]  ? trace_hardirqs_on+0xbd/0x310
[  637.375908]  ? kasan_check_read+0x11/0x20
[  637.380069]  ? __run_timers+0x7da/0xc70
[  637.384042]  ? trace_hardirqs_off_caller+0x310/0x310
[  637.389156]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  637.393995]  __run_timers+0x7e5/0xc70
[  637.397808]  ? timer_fixup_init+0x70/0x70
[  637.402002]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  637.407032]  ? zap_class+0x640/0x640
[  637.410751]  ? enqueue_hrtimer+0x1a5/0x560
[  637.414994]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  637.420195]  ? find_held_lock+0x36/0x1c0
[  637.424261]  ? zap_class+0x640/0x640
[  637.427983]  ? pvclock_read_flags+0x160/0x160
[  637.432481]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.438023]  ? check_preemption_disabled+0x48/0x280
[  637.443067]  ? __lock_is_held+0xb5/0x140
[  637.447132]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.452686]  ? check_preemption_disabled+0x48/0x280
[  637.457709]  run_timer_softirq+0x52/0xb0
[  637.461805]  ? rcu_read_lock_sched_held+0x14f/0x180
[  637.466823]  __do_softirq+0x308/0xb7e
[  637.470629]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  637.475124]  ? lock_downgrade+0x900/0x900
[  637.479299]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  637.484425]  ? pvclock_read_flags+0x160/0x160
[  637.488932]  ? lapic_next_event+0x5a/0x90
[  637.493081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.498636]  ? kvm_clock_read+0x18/0x30
[  637.502608]  ? kvm_sched_clock_read+0x9/0x20
[  637.507021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.512564]  ? check_preemption_disabled+0x48/0x280
[  637.517598]  irq_exit+0x17f/0x1c0
[  637.521052]  smp_apic_timer_interrupt+0x1cb/0x760
[  637.525897]  ? smp_reschedule_interrupt+0x109/0x650
[  637.530917]  ? smp_call_function_single_interrupt+0x650/0x650
[  637.536823]  ? interrupt_entry+0xb5/0xc0
[  637.540914]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.545947]  ? trace_hardirqs_off_caller+0xbb/0x310
[  637.550967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.555817]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.560836]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.565866]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.570718]  apic_timer_interrupt+0xf/0x20
[  637.574946]  </IRQ>
[  637.577187] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  637.582133] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  637.601030] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  637.608751] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  637.616041] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  637.623306] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  637.630573] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  637.637839] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  637.645149]  skb_clone+0x1bb/0x500
[  637.648692]  ? finish_task_switch+0x2f4/0x910
[  637.653193]  ? skb_split+0x11e0/0x11e0
[  637.657083]  ? preempt_notifier_register+0x200/0x200
[  637.662212]  ? __switch_to_asm+0x34/0x70
[  637.666286]  ? __switch_to_asm+0x34/0x70
[  637.670363]  ? __switch_to_asm+0x40/0x70
[  637.674449]  ? __switch_to_asm+0x34/0x70
[  637.678509]  ? __switch_to_asm+0x40/0x70
[  637.682583]  ? __switch_to_asm+0x34/0x70
[  637.686640]  ? __switch_to_asm+0x40/0x70
[  637.690729]  ? __switch_to_asm+0x34/0x70
[  637.694820]  ? __switch_to_asm+0x34/0x70
[  637.698882]  ? __switch_to_asm+0x40/0x70
[  637.702941]  ? __switch_to_asm+0x34/0x70
[  637.707010]  bpf_clone_redirect+0xb9/0x490
[  637.711257]  ? __schedule+0x8d7/0x21d0
[  637.715149]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  637.720166]  ? __sched_text_start+0x8/0x8
[  637.724320]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  637.728897]  ? retint_kernel+0x2d/0x2d
[  637.732787]  ? trace_hardirqs_on_caller+0xc0/0x310
[  637.737722]  ? find_held_lock+0x36/0x1c0
[  637.741806]  ? lock_acquire+0x1ed/0x520
[  637.745779]  ? bpf_test_run+0x3ee/0x7a0
[  637.749762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  637.755307]  ? check_preemption_disabled+0x48/0x280
[  637.760330]  ? kasan_check_read+0x11/0x20
[  637.764479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  637.769771]  ? rcu_softirq_qs+0x20/0x20
[  637.773948]  ? preempt_schedule+0x4d/0x60
[  637.778098]  ? ___preempt_schedule+0x16/0x18
[  637.782515]  ? bpf_test_run+0x271/0x7a0
[  637.786498]  ? netlink_diag_dump+0x2a0/0x2a0
[  637.790925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.796461]  ? bpf_test_init.isra.10+0x70/0x100
[  637.801137]  ? bpf_prog_test_run_skb+0x762/0xd60
[  637.805900]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.810747]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  637.816286]  ? fput+0x130/0x1a0
[  637.819572]  ? __bpf_prog_get+0x9b/0x290
[  637.823637]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  637.828484]  ? bpf_prog_test_run+0x130/0x1a0
[  637.832914]  ? __x64_sys_bpf+0x3d8/0x520
[  637.836986]  ? bpf_prog_get+0x20/0x20
[  637.840812]  ? do_syscall_64+0x1b9/0x820
[  637.844887]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  637.850255]  ? syscall_return_slowpath+0x5e0/0x5e0
[  637.855202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.860063]  ? trace_hardirqs_on_caller+0x310/0x310
[  637.865083]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  637.870103]  ? prepare_exit_to_usermode+0x291/0x3b0
[  637.875140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  637.880030]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  637.885426] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  637.885501] aoe: skb alloc failure
[  637.892191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  637.892196] Call Trace:
[  637.892202]  <IRQ>
[  637.892219]  dump_stack+0x244/0x39d
[  637.892239]  ? dump_stack_print_info.cold.1+0x20/0x20
[  637.895787] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  637.905119]  warn_alloc.cold.116+0xb7/0x1bd
[  637.907670] syz-executor4 cpuset=syz4 mems_allowed=0
[  637.909814]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  637.943313]  ? lock_downgrade+0x900/0x900
[  637.947478]  ? trace_hardirqs_off+0xb8/0x310
[  637.951895]  ? trace_hardirqs_off+0xb8/0x310
[  637.956313]  __alloc_pages_slowpath+0x2651/0x2de0
[  637.961203]  ? warn_alloc+0x120/0x120
[  637.965009]  ? warn_alloc+0x120/0x120
[  637.968819]  ? warn_alloc+0x120/0x120
[  637.972635]  ? print_usage_bug+0xc0/0xc0
[  637.976702]  ? print_usage_bug+0xc0/0xc0
[  637.980793]  ? mark_held_locks+0x130/0x130
[  637.985052]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  637.991141]  ? should_fail+0x22d/0xd01
[  637.995034]  ? __lock_acquire+0x62f/0x4c20
[  637.999326]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.004672]  ? __lock_acquire+0x62f/0x4c20
[  638.008916]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.014719]  ? __lock_acquire+0x62f/0x4c20
[  638.018958]  ? should_fail+0x22d/0xd01
[  638.022862]  ? mark_held_locks+0x130/0x130
[  638.027417]  ? mark_held_locks+0x130/0x130
[  638.031659]  ? zap_class+0x640/0x640
[  638.035378]  ? zap_class+0x640/0x640
[  638.039196]  ? check_preemption_disabled+0x48/0x280
[  638.044391]  ? zap_class+0x640/0x640
[  638.048126]  ? print_usage_bug+0xc0/0xc0
[  638.052258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.057905]  ? check_preemption_disabled+0x48/0x280
[  638.062942]  ? __lock_is_held+0xb5/0x140
[  638.067028]  __alloc_pages_nodemask+0xad8/0xea0
[  638.071698]  ? zap_class+0x640/0x640
[  638.075417]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  638.080475]  ? find_held_lock+0x36/0x1c0
[  638.084564]  ? ____cache_alloc_node+0x1c7/0x1e0
[  638.089249]  ? lock_downgrade+0x900/0x900
[  638.093407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.098959]  cache_grow_begin+0xa5/0x8c0
[  638.103080]  ? do_raw_spin_unlock+0xa7/0x330
[  638.107504]  fallback_alloc+0x204/0x2e0
[  638.111499]  ____cache_alloc_node+0x1c7/0x1e0
[  638.116015]  kmem_cache_alloc_node+0xe3/0x730
[  638.120526]  ? ipv6_get_ifaddr+0x42e/0x620
[  638.124791]  __alloc_skb+0x119/0x770
[  638.128506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.133789]  ? netdev_alloc_frag+0x1f0/0x1f0
[  638.138214]  ? lock_downgrade+0x900/0x900
[  638.142382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.147921]  ? refcount_sub_and_test_checked+0x203/0x310
[  638.153376]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  638.158831]  ? addrconf_rs_timer+0x690/0x690
[  638.163250]  ndisc_alloc_skb+0x144/0x340
[  638.167323]  ndisc_send_rs+0x331/0x6e0
[  638.171214]  addrconf_rs_timer+0x314/0x690
[  638.175513]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.179778]  call_timer_fn+0x272/0x920
[  638.183664]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.187899]  ? process_timeout+0x40/0x40
[  638.191967]  ? mark_held_locks+0xc7/0x130
[  638.196125]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.200618]  ? _raw_spin_unlock_irq+0x27/0x80
[  638.205111]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.209355]  ? lockdep_hardirqs_on+0x296/0x5b0
[  638.213936]  ? trace_hardirqs_on+0xbd/0x310
[  638.218272]  ? kasan_check_read+0x11/0x20
[  638.222436]  ? __run_timers+0x7da/0xc70
[  638.226423]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.231553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  638.235803]  __run_timers+0x7e5/0xc70
[  638.239644]  ? timer_fixup_init+0x70/0x70
[  638.243807]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  638.248835]  ? zap_class+0x640/0x640
[  638.252564]  ? print_usage_bug+0xc0/0xc0
[  638.256626]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  638.261820]  ? find_held_lock+0x36/0x1c0
[  638.265882]  ? zap_class+0x640/0x640
[  638.269599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.275138]  ? check_preemption_disabled+0x48/0x280
[  638.280163]  ? __lock_is_held+0xb5/0x140
[  638.284222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.289774]  ? check_preemption_disabled+0x48/0x280
[  638.294807]  run_timer_softirq+0x52/0xb0
[  638.298882]  ? rcu_read_lock_sched_held+0x14f/0x180
[  638.303898]  __do_softirq+0x308/0xb7e
[  638.307732]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  638.312227]  ? lock_downgrade+0x900/0x900
[  638.316381]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  638.321490]  ? pvclock_read_flags+0x160/0x160
[  638.325987]  ? lapic_next_event+0x5a/0x90
[  638.330151]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.335694]  ? kvm_clock_read+0x18/0x30
[  638.339669]  ? kvm_sched_clock_read+0x9/0x20
[  638.344087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.349638]  ? check_preemption_disabled+0x48/0x280
[  638.354666]  irq_exit+0x17f/0x1c0
[  638.358122]  smp_apic_timer_interrupt+0x1cb/0x760
[  638.362990]  ? smp_call_function_single_interrupt+0x650/0x650
[  638.368873]  ? interrupt_entry+0xb5/0xc0
[  638.372946]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.377990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  638.383020]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.387866]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.392884]  ? trace_hardirqs_on_caller+0x310/0x310
[  638.397903]  ? task_prio+0x50/0x50
[  638.401451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.407005]  ? check_preemption_disabled+0x48/0x280
[  638.412023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  638.416889]  apic_timer_interrupt+0xf/0x20
[  638.421116]  </IRQ>
[  638.423354] RIP: 0010:dump_stack+0x358/0x39d
[  638.427763] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  638.446662] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  638.454372] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  638.461639] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  638.468911] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  638.476181] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  638.483455] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  638.490742]  ? dump_stack+0x34f/0x39d
[  638.494563]  ? dump_stack_print_info.cold.1+0x20/0x20
[  638.499758]  ? mark_held_locks+0x130/0x130
[  638.503997]  ? mark_held_locks+0x130/0x130
[  638.508241]  dump_header+0x27b/0xf72
[  638.511963]  ? pagefault_out_of_memory+0x197/0x197
[  638.516896]  ? __lock_acquire+0x62f/0x4c20
[  638.521130]  ? percpu_ref_get_many+0x240/0x240
[  638.525714]  ? print_usage_bug+0xc0/0xc0
[  638.529815]  ? zap_class+0x640/0x640
[  638.533534]  ? print_usage_bug+0xc0/0xc0
[  638.537612]  ? print_usage_bug+0xc0/0xc0
[  638.541675]  ? zap_class+0x640/0x640
[  638.545390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.550937]  ? find_held_lock+0x36/0x1c0
[  638.555006]  ? mark_held_locks+0xc7/0x130
[  638.559161]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.564259]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  638.569387]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  638.573969]  ? trace_hardirqs_on+0xbd/0x310
[  638.578298]  ? kasan_check_read+0x11/0x20
[  638.582456]  ? ___ratelimit+0x3b4/0x672
[  638.586453]  ? trace_hardirqs_off_caller+0x310/0x310
[  638.591557]  ? trace_hardirqs_on+0x310/0x310
[  638.595962]  ? lock_downgrade+0x900/0x900
[  638.600115]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  638.605220]  ? ___ratelimit+0x3b9/0x672
[  638.609210]  ? idr_get_free+0xf70/0xf70
[  638.613187]  ? find_held_lock+0x36/0x1c0
[  638.617255]  oom_kill_process.cold.27+0x10/0x903
[  638.622014]  ? zap_class+0x640/0x640
[  638.625730]  ? check_preemption_disabled+0x48/0x280
[  638.630746]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.635690]  ? kasan_check_read+0x11/0x20
[  638.639837]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.645121]  ? oom_evaluate_task+0x540/0x540
[  638.649540]  ? find_held_lock+0x36/0x1c0
[  638.653629]  ? out_of_memory+0x974/0x1430
[  638.657795]  ? lock_downgrade+0x900/0x900
[  638.661947]  ? check_preemption_disabled+0x48/0x280
[  638.666967]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.671896]  ? kasan_check_read+0x11/0x20
[  638.676043]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.681319]  ? rcu_softirq_qs+0x20/0x20
[  638.685302]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.690836]  ? oom_evaluate_task+0x302/0x540
[  638.695261]  out_of_memory+0xa84/0x1430
[  638.699251]  ? oom_killer_disable+0x3a0/0x3a0
[  638.703755]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  638.708706]  ? __ww_mutex_check_waiters+0x160/0x160
[  638.713872]  __alloc_pages_slowpath+0x232c/0x2de0
[  638.718752]  ? warn_alloc+0x120/0x120
[  638.722554]  ? mark_held_locks+0x130/0x130
[  638.726801]  ? find_get_entry+0xaae/0x1120
[  638.731079]  ? filemap_map_pages+0x1a20/0x1a20
[  638.735691]  ? zap_class+0x640/0x640
[  638.739458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  638.745017]  ? check_preemption_disabled+0x48/0x280
[  638.750038]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.755638]  ? should_fail+0x22d/0xd01
[  638.759670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  638.764824]  ? zap_class+0x640/0x640
[  638.768567]  ? __lock_is_held+0xb5/0x140
[  638.772800]  ? mark_held_locks+0x130/0x130
[  638.777312]  ? lock_release+0xa00/0xa00
[  638.781387]  ? perf_trace_sched_process_exec+0x860/0x860
[  638.786990]  ? xa_load+0x2ba/0x460
[  638.790533]  ? lock_downgrade+0x900/0x900
[  638.795186]  ? __might_sleep+0x95/0x190
[  638.799269]  __alloc_pages_nodemask+0xad8/0xea0
[  638.804488]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  638.809512]  ? __page_cache_alloc+0x191/0x5c0
[  638.814009]  ? xa_load+0x2e1/0x460
[  638.817877]  ? xa_clear_mark+0x40/0x40
[  638.821940]  ? zap_class+0x640/0x640
[  638.825797]  ? zap_class+0x640/0x640
[  638.829519]  ? zap_class+0x640/0x640
[  638.833251]  ? __do_page_cache_readahead+0x663/0x810
[  638.838368]  ? find_held_lock+0x36/0x1c0
[  638.842445]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  638.848008]  alloc_pages_current+0x173/0x350
[  638.852437]  __page_cache_alloc+0x38c/0x5c0
[  638.856764]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.861696]  ? kasan_check_read+0x11/0x20
[  638.865846]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.871128]  ? generic_perform_write+0x6a0/0x6a0
[  638.875885]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  638.881444]  ? check_preemption_disabled+0x48/0x280
[  638.886474]  filemap_fault+0x1595/0x25f0
[  638.890548]  ? __lock_page_or_retry+0xa00/0xa00
[  638.895246]  ? mark_held_locks+0x130/0x130
[  638.899491]  ? filemap_map_pages+0xd6b/0x1a20
[  638.903988]  ? lock_downgrade+0x900/0x900
[  638.908646]  ? check_preemption_disabled+0x48/0x280
[  638.913668]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  638.918600]  ? kasan_check_read+0x11/0x20
[  638.922751]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  638.928030]  ? rcu_softirq_qs+0x20/0x20
[  638.932024]  ? filemap_map_pages+0xd92/0x1a20
[  638.936534]  ? find_get_entries_tag+0x1400/0x1400
[  638.941382]  ? __kernel_text_address+0xd/0x40
[  638.945881]  ? unwind_get_return_address+0x61/0xa0
[  638.950832]  ? lock_acquire+0x1ed/0x520
[  638.954809]  ? ext4_filemap_fault+0x7a/0xad
[  638.959137]  ? lock_release+0xa00/0xa00
[  638.963113]  ? perf_trace_sched_process_exec+0x860/0x860
[  638.968586]  ? print_usage_bug+0xc0/0xc0
[  638.972650]  ? print_usage_bug+0xc0/0xc0
[  638.976763]  ? __x64_sys_read+0x73/0xb0
[  638.980743]  ? print_usage_bug+0xc0/0xc0
[  638.984850]  ? down_read+0x8d/0x120
[  638.988473]  ? ext4_filemap_fault+0x7a/0xad
[  638.992796]  ? __down_interruptible+0x700/0x700
[  638.997478]  ext4_filemap_fault+0x82/0xad
[  639.001642]  __do_fault+0x100/0x6b0
[  639.005266]  ? trace_hardirqs_on+0xbd/0x310
[  639.009598]  ? pmd_devmap_trans_unstable+0x220/0x220
[  639.014705]  ? mark_held_locks+0x130/0x130
[  639.018947]  ? mark_held_locks+0x130/0x130
[  639.023197]  ? do_syslog+0x147b/0x1690
[  639.027088]  ? do_syslog+0x309/0x1690
[  639.030890]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.036438]  __handle_mm_fault+0x3ea0/0x5be0
[  639.040859]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  639.045710]  ? find_held_lock+0x36/0x1c0
[  639.049790]  ? zap_class+0x640/0x640
[  639.053506]  ? zap_class+0x640/0x640
[  639.057227]  ? find_held_lock+0x36/0x1c0
[  639.061302]  ? handle_mm_fault+0x42a/0xc70
[  639.065548]  ? lock_downgrade+0x900/0x900
[  639.069728]  ? check_preemption_disabled+0x48/0x280
[  639.074762]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  639.079706]  ? kasan_check_read+0x11/0x20
[  639.083853]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  639.089146]  ? rcu_softirq_qs+0x20/0x20
[  639.093121]  ? trace_hardirqs_off_caller+0x310/0x310
[  639.098257]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.103815]  ? check_preemption_disabled+0x48/0x280
[  639.108846]  handle_mm_fault+0x54f/0xc70
[  639.112916]  ? __handle_mm_fault+0x5be0/0x5be0
[  639.117522]  ? find_vma+0x34/0x190
[  639.121070]  __do_page_fault+0x5e8/0xe60
[  639.125131]  ? trace_hardirqs_off+0xb8/0x310
[  639.129547]  ? kernel_write+0x120/0x120
[  639.133541]  do_page_fault+0xf2/0x7e0
[  639.137342]  ? vmalloc_sync_all+0x30/0x30
[  639.141493]  ? error_entry+0x70/0xd0
[  639.145208]  ? trace_hardirqs_off_caller+0xbb/0x310
[  639.150221]  ? trace_hardirqs_on_caller+0xc0/0x310
[  639.155150]  ? syscall_return_slowpath+0x5e0/0x5e0
[  639.160080]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.164924]  ? trace_hardirqs_on_caller+0x310/0x310
[  639.169937]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  639.175410]  ? prepare_exit_to_usermode+0x291/0x3b0
[  639.180455]  ? page_fault+0x8/0x30
[  639.184003]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  639.188848]  ? page_fault+0x8/0x30
[  639.192385]  page_fault+0x1e/0x30
[  639.195832] RIP: 0033:0x7fe9f4ff21fd
[  639.199553] Code: Bad RIP value.
[  639.202909] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  639.208335] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  639.215635] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  639.222906] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  639.230187] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  639.237455] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  639.244740] warn_alloc_show_mem: 1 callbacks suppressed
[  639.244752] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  639.244753] Mem-Info:
[  639.244781] active_anon:43385 inactive_anon:190 isolated_anon:0
[  639.244781]  active_file:9 inactive_file:19 isolated_file:0
[  639.244781]  unevictable:0 dirty:0 writeback:0 unstable:0
[  639.244781]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  639.244781]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  639.244781]  free:13722 free_pcp:438 free_cma:0
[  639.250131] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  639.257235] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  639.259632] Call Trace:
[  639.292447] 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
[  639.301791]  <IRQ>
[  639.329365] lowmem_reserve[]: 0 2818 6321 6321
[  639.331983]  dump_stack+0x244/0x39d
[  639.358065] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  639.360207]  ? dump_stack_print_info.cold.1+0x20/0x20
[  639.364793] lowmem_reserve[]: 0 0 3503 3503
[  639.368445]  warn_alloc.cold.116+0xb7/0x1bd
[  639.395751] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  639.400993]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  639.405292] lowmem_reserve[]: 0 0 0 0
[  639.409611]  ? lock_downgrade+0x900/0x900
[  639.438558] 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
[  639.443397]  ? trace_hardirqs_off+0xb8/0x310
[  639.447192] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  639.451337]  ? trace_hardirqs_off+0xb8/0x310
[  639.464834] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  639.469238]  __alloc_pages_slowpath+0x2651/0x2de0
[  639.484233] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  639.488666]  ? warn_alloc+0x120/0x120
[  639.504158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  639.509009]  ? warn_alloc+0x120/0x120
[  639.517835] 272 total pagecache pages
[  639.521627]  ? __lock_acquire+0x62f/0x4c20
[  639.530183] 0 pages in swap cache
[  639.533970]  ? warn_alloc+0x120/0x120
[  639.537761] Swap cache stats: add 0, delete 0, find 0/0
[  639.541992]  ? print_usage_bug+0xc0/0xc0
[  639.545422] Free swap  = 0kB
[  639.549220]  ? print_usage_bug+0xc0/0xc0
[  639.554557] Total swap = 0kB
[  639.558623]  ? mark_held_locks+0x130/0x130
[  639.561646] 1965979 pages RAM
[  639.565699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  639.568714] 0 pages HighMem/MovableOnly
[  639.568722] 342854 pages reserved
[  639.572947]  ? should_fail+0x22d/0xd01
[  639.576078] 0 pages cma reserved
[  639.581644]  ? zap_class+0x640/0x640
[  639.585652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  639.589054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.593016] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  639.596275]  ? __lock_acquire+0x62f/0x4c20
[  639.599968] rsyslogd cpuset=/ mems_allowed=0
[  639.606463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  639.635306]  ? should_fail+0x22d/0xd01
[  639.639205]  ? mark_held_locks+0x130/0x130
[  639.643455]  ? mark_held_locks+0x130/0x130
[  639.647690]  ? lock_downgrade+0x900/0x900
[  639.651843]  ? zap_class+0x640/0x640
[  639.655557]  ? zap_class+0x640/0x640
[  639.659272]  ? zap_class+0x640/0x640
[  639.663022]  ? do_raw_spin_unlock+0xa7/0x330
[  639.667458]  ? trace_hardirqs_on+0x310/0x310
[  639.671872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.677423]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.682970]  ? check_preemption_disabled+0x48/0x280
[  639.688011]  ? __lock_is_held+0xb5/0x140
[  639.692076]  __alloc_pages_nodemask+0xad8/0xea0
[  639.696767]  ? zap_class+0x640/0x640
[  639.700506]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  639.705552]  ? find_held_lock+0x36/0x1c0
[  639.709623]  ? ____cache_alloc_node+0x1c7/0x1e0
[  639.714292]  ? lock_downgrade+0x900/0x900
[  639.718459]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.724001]  cache_grow_begin+0xa5/0x8c0
[  639.728059]  ? do_raw_spin_unlock+0xa7/0x330
[  639.732471]  fallback_alloc+0x204/0x2e0
[  639.736465]  ____cache_alloc_node+0x1c7/0x1e0
[  639.740962]  kmem_cache_alloc_node+0xe3/0x730
[  639.745472]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.750075]  __alloc_skb+0x119/0x770
[  639.753792]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  639.759166]  ? netdev_alloc_frag+0x1f0/0x1f0
[  639.763600]  ? vprintk_default+0x28/0x30
[  639.767662]  ? vprintk_func+0x85/0x181
[  639.771551]  ? printk+0xa7/0xcf
[  639.774982]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  639.779739]  ? do_raw_spin_trylock+0x270/0x270
[  639.784326]  new_skb+0x26/0x1c0
[  639.787610]  aoecmd_cfg+0x279/0x7f0
[  639.791240]  ? find_held_lock+0x36/0x1c0
[  639.795303]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  639.799627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.805185]  ? __lock_is_held+0xb5/0x140
[  639.809261]  discover_timer+0x50/0x60
[  639.813057]  call_timer_fn+0x272/0x920
[  639.816941]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.821788]  ? process_timeout+0x40/0x40
[  639.825853]  ? __run_timers+0x7da/0xc70
[  639.829826]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.834346]  ? _raw_spin_unlock_irq+0x27/0x80
[  639.838849]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.843730]  ? lockdep_hardirqs_on+0x296/0x5b0
[  639.848325]  ? trace_hardirqs_on+0xbd/0x310
[  639.852661]  ? kasan_check_read+0x11/0x20
[  639.856827]  ? __run_timers+0x7da/0xc70
[  639.860819]  ? trace_hardirqs_off_caller+0x310/0x310
[  639.865934]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  639.870773]  __run_timers+0x7e5/0xc70
[  639.874645]  ? timer_fixup_init+0x70/0x70
[  639.878813]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  639.883832]  ? zap_class+0x640/0x640
[  639.887552]  ? enqueue_hrtimer+0x1a5/0x560
[  639.891796]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  639.896996]  ? find_held_lock+0x36/0x1c0
[  639.901065]  ? zap_class+0x640/0x640
[  639.904791]  ? pvclock_read_flags+0x160/0x160
[  639.909317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.914853]  ? check_preemption_disabled+0x48/0x280
[  639.919894]  ? __lock_is_held+0xb5/0x140
[  639.923953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.929535]  ? check_preemption_disabled+0x48/0x280
[  639.934561]  run_timer_softirq+0x52/0xb0
[  639.938626]  ? rcu_read_lock_sched_held+0x14f/0x180
[  639.943646]  __do_softirq+0x308/0xb7e
[  639.947467]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  639.951960]  ? lock_downgrade+0x900/0x900
[  639.956137]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  639.961249]  ? pvclock_read_flags+0x160/0x160
[  639.965744]  ? lapic_next_event+0x5a/0x90
[  639.969893]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.975445]  ? kvm_clock_read+0x18/0x30
[  639.979420]  ? kvm_sched_clock_read+0x9/0x20
[  639.983873]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  639.989414]  ? check_preemption_disabled+0x48/0x280
[  639.994466]  irq_exit+0x17f/0x1c0
[  639.997924]  smp_apic_timer_interrupt+0x1cb/0x760
[  640.002793]  ? smp_reschedule_interrupt+0x109/0x650
[  640.007816]  ? smp_call_function_single_interrupt+0x650/0x650
[  640.013701]  ? interrupt_entry+0xb5/0xc0
[  640.017769]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.022803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.027819]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.032661]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.037680]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.042715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.047582]  apic_timer_interrupt+0xf/0x20
[  640.051811]  </IRQ>
[  640.054065] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  640.058994] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  640.077898] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  640.085609] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  640.092888] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  640.100156] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  640.107422] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  640.114697] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  640.122033]  skb_clone+0x1bb/0x500
[  640.125579]  ? finish_task_switch+0x2f4/0x910
[  640.130077]  ? skb_split+0x11e0/0x11e0
[  640.133971]  ? preempt_notifier_register+0x200/0x200
[  640.139072]  ? __switch_to_asm+0x34/0x70
[  640.143137]  ? __switch_to_asm+0x34/0x70
[  640.147194]  ? __switch_to_asm+0x40/0x70
[  640.151248]  ? __switch_to_asm+0x34/0x70
[  640.155303]  ? __switch_to_asm+0x40/0x70
[  640.159360]  ? __switch_to_asm+0x34/0x70
[  640.163455]  ? __switch_to_asm+0x40/0x70
[  640.167511]  ? __switch_to_asm+0x34/0x70
[  640.171563]  ? __switch_to_asm+0x34/0x70
[  640.175617]  ? __switch_to_asm+0x40/0x70
[  640.179686]  ? __switch_to_asm+0x34/0x70
[  640.183748]  bpf_clone_redirect+0xb9/0x490
[  640.188005]  ? __schedule+0x8d7/0x21d0
[  640.191902]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  640.196933]  ? __sched_text_start+0x8/0x8
[  640.201092]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  640.205671]  ? retint_kernel+0x2d/0x2d
[  640.209558]  ? trace_hardirqs_on_caller+0xc0/0x310
[  640.214493]  ? find_held_lock+0x36/0x1c0
[  640.218562]  ? lock_acquire+0x1ed/0x520
[  640.222538]  ? bpf_test_run+0x3ee/0x7a0
[  640.226519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.232070]  ? check_preemption_disabled+0x48/0x280
[  640.237090]  ? kasan_check_read+0x11/0x20
[  640.241236]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.246509]  ? rcu_softirq_qs+0x20/0x20
[  640.250480]  ? preempt_schedule+0x4d/0x60
[  640.254629]  ? ___preempt_schedule+0x16/0x18
[  640.259095]  ? bpf_test_run+0x271/0x7a0
[  640.263100]  ? netlink_diag_dump+0x2a0/0x2a0
[  640.267518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.273062]  ? bpf_test_init.isra.10+0x70/0x100
[  640.277791]  ? bpf_prog_test_run_skb+0x762/0xd60
[  640.282578]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  640.287427]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  640.292981]  ? fput+0x130/0x1a0
[  640.296259]  ? __bpf_prog_get+0x9b/0x290
[  640.300324]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  640.305158]  ? bpf_prog_test_run+0x130/0x1a0
[  640.309562]  ? __x64_sys_bpf+0x3d8/0x520
[  640.313627]  ? bpf_prog_get+0x20/0x20
[  640.317477]  ? do_syscall_64+0x1b9/0x820
[  640.321549]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  640.326911]  ? syscall_return_slowpath+0x5e0/0x5e0
[  640.331840]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.336696]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.341724]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  640.346771]  ? prepare_exit_to_usermode+0x291/0x3b0
[  640.351805]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.356652]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  640.362048] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  640.362124] aoe: skb alloc failure
[  640.368823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  640.368831] Call Trace:
[  640.372461] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  640.381739]  <IRQ>
[  640.384310] syz-executor4 cpuset=syz4 mems_allowed=0
[  640.394787]  dump_stack+0x244/0x39d
[  640.405631]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.410875]  warn_alloc.cold.116+0xb7/0x1bd
[  640.415214]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  640.420063]  ? lock_downgrade+0x900/0x900
[  640.424212]  ? trace_hardirqs_off+0xb8/0x310
[  640.428622]  ? trace_hardirqs_off+0xb8/0x310
[  640.433038]  __alloc_pages_slowpath+0x2651/0x2de0
[  640.437919]  ? warn_alloc+0x120/0x120
[  640.441721]  ? print_usage_bug+0xc0/0xc0
[  640.445782]  ? warn_alloc+0x120/0x120
[  640.449585]  ? warn_alloc+0x120/0x120
[  640.453383]  ? print_usage_bug+0xc0/0xc0
[  640.457446]  ? kvm_clock_read+0x18/0x30
[  640.461415]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  640.466444]  ? print_usage_bug+0xc0/0xc0
[  640.470520]  ? __lock_acquire+0x62f/0x4c20
[  640.474771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.480345]  ? should_fail+0x22d/0xd01
[  640.484224]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.489512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.494624]  ? __lock_acquire+0x62f/0x4c20
[  640.498859]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  640.503965]  ? __lock_acquire+0x62f/0x4c20
[  640.508198]  ? should_fail+0x22d/0xd01
[  640.512084]  ? rcu_irq_exit+0x1a2/0x390
[  640.516086]  ? mark_held_locks+0x130/0x130
[  640.520372]  ? mark_held_locks+0x130/0x130
[  640.524612]  ? mark_held_locks+0xc7/0x130
[  640.528757]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  640.533806]  ? zap_class+0x640/0x640
[  640.537516]  ? print_usage_bug+0xc0/0xc0
[  640.541583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.547134]  ? check_preemption_disabled+0x48/0x280
[  640.552155]  ? __lock_is_held+0xb5/0x140
[  640.556219]  __alloc_pages_nodemask+0xad8/0xea0
[  640.560885]  ? zap_class+0x640/0x640
[  640.564615]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  640.569643]  ? find_held_lock+0x36/0x1c0
[  640.573712]  ? ____cache_alloc_node+0x1c7/0x1e0
[  640.578387]  ? lock_downgrade+0x900/0x900
[  640.582538]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.588079]  cache_grow_begin+0xa5/0x8c0
[  640.592134]  ? do_raw_spin_unlock+0xa7/0x330
[  640.596546]  fallback_alloc+0x204/0x2e0
[  640.600537]  ____cache_alloc_node+0x1c7/0x1e0
[  640.605030]  kmem_cache_alloc_node+0xe3/0x730
[  640.609520]  ? ipv6_get_ifaddr+0x42e/0x620
[  640.613761]  __alloc_skb+0x119/0x770
[  640.617467]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  640.622754]  ? netdev_alloc_frag+0x1f0/0x1f0
[  640.627176]  ? lock_downgrade+0x900/0x900
[  640.631336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.636871]  ? refcount_sub_and_test_checked+0x203/0x310
[  640.642326]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  640.647779]  ? addrconf_rs_timer+0x690/0x690
[  640.652211]  ndisc_alloc_skb+0x144/0x340
[  640.656274]  ndisc_send_rs+0x331/0x6e0
[  640.660203]  addrconf_rs_timer+0x314/0x690
[  640.664483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.668742]  call_timer_fn+0x272/0x920
[  640.672634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.676885]  ? process_timeout+0x40/0x40
[  640.680985]  ? mark_held_locks+0xc7/0x130
[  640.685134]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.689628]  ? _raw_spin_unlock_irq+0x27/0x80
[  640.694120]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.698352]  ? lockdep_hardirqs_on+0x296/0x5b0
[  640.702959]  ? trace_hardirqs_on+0xbd/0x310
[  640.707299]  ? kasan_check_read+0x11/0x20
[  640.711450]  ? __run_timers+0x7da/0xc70
[  640.715468]  ? trace_hardirqs_off_caller+0x310/0x310
[  640.720594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.724876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  640.729108]  __run_timers+0x7e5/0xc70
[  640.732942]  ? timer_fixup_init+0x70/0x70
[  640.737104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  640.742133]  ? zap_class+0x640/0x640
[  640.745849]  ? print_usage_bug+0xc0/0xc0
[  640.749944]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  640.755136]  ? find_held_lock+0x36/0x1c0
[  640.759198]  ? zap_class+0x640/0x640
[  640.762917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.768463]  ? check_preemption_disabled+0x48/0x280
[  640.773509]  ? __lock_is_held+0xb5/0x140
[  640.777573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.783153]  ? check_preemption_disabled+0x48/0x280
[  640.788173]  run_timer_softirq+0x52/0xb0
[  640.792232]  ? rcu_read_lock_sched_held+0x14f/0x180
[  640.797246]  __do_softirq+0x308/0xb7e
[  640.801047]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  640.805544]  ? lock_downgrade+0x900/0x900
[  640.809702]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  640.814812]  ? pvclock_read_flags+0x160/0x160
[  640.819321]  ? lapic_next_event+0x5a/0x90
[  640.823474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.829019]  ? kvm_clock_read+0x18/0x30
[  640.833033]  ? kvm_sched_clock_read+0x9/0x20
[  640.837446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  640.842984]  ? check_preemption_disabled+0x48/0x280
[  640.848041]  irq_exit+0x17f/0x1c0
[  640.851506]  smp_apic_timer_interrupt+0x1cb/0x760
[  640.856349]  ? smp_call_function_single_interrupt+0x650/0x650
[  640.862229]  ? interrupt_entry+0xb5/0xc0
[  640.866299]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.871312]  ? trace_hardirqs_off_caller+0xbb/0x310
[  640.876329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.881174]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.886189]  ? trace_hardirqs_on_caller+0x310/0x310
[  640.891229]  ? task_prio+0x50/0x50
[  640.894772]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  640.900329]  ? check_preemption_disabled+0x48/0x280
[  640.905870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  640.910720]  apic_timer_interrupt+0xf/0x20
[  640.914945]  </IRQ>
[  640.917194] RIP: 0010:dump_stack+0x358/0x39d
[  640.921616] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  640.940511] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  640.948214] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  640.955485] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  640.962754] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  640.970107] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  640.977375] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  640.984774]  ? dump_stack+0x34f/0x39d
[  640.988617]  ? dump_stack_print_info.cold.1+0x20/0x20
[  640.993841]  ? mark_held_locks+0x130/0x130
[  640.998090]  ? mark_held_locks+0x130/0x130
[  641.002326]  dump_header+0x27b/0xf72
[  641.006060]  ? pagefault_out_of_memory+0x197/0x197
[  641.010990]  ? __lock_acquire+0x62f/0x4c20
[  641.015234]  ? percpu_ref_get_many+0x240/0x240
[  641.019820]  ? print_usage_bug+0xc0/0xc0
[  641.023904]  ? zap_class+0x640/0x640
[  641.027653]  ? print_usage_bug+0xc0/0xc0
[  641.031729]  ? print_usage_bug+0xc0/0xc0
[  641.035789]  ? zap_class+0x640/0x640
[  641.039517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.045059]  ? find_held_lock+0x36/0x1c0
[  641.049129]  ? mark_held_locks+0xc7/0x130
[  641.053286]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  641.058384]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  641.063489]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  641.068068]  ? trace_hardirqs_on+0xbd/0x310
[  641.072388]  ? kasan_check_read+0x11/0x20
[  641.076541]  ? ___ratelimit+0x3b4/0x672
[  641.080551]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.085661]  ? trace_hardirqs_on+0x310/0x310
[  641.090069]  ? lock_downgrade+0x900/0x900
[  641.094234]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  641.099345]  ? ___ratelimit+0x3b9/0x672
[  641.103330]  ? idr_get_free+0xf70/0xf70
[  641.107317]  ? find_held_lock+0x36/0x1c0
[  641.111397]  oom_kill_process.cold.27+0x10/0x903
[  641.116161]  ? zap_class+0x640/0x640
[  641.119881]  ? check_preemption_disabled+0x48/0x280
[  641.124926]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.129849]  ? kasan_check_read+0x11/0x20
[  641.134013]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.139333]  ? oom_evaluate_task+0x540/0x540
[  641.143751]  ? find_held_lock+0x36/0x1c0
[  641.147822]  ? out_of_memory+0x974/0x1430
[  641.151973]  ? lock_downgrade+0x900/0x900
[  641.156127]  ? check_preemption_disabled+0x48/0x280
[  641.161165]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.166099]  ? kasan_check_read+0x11/0x20
[  641.170262]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.175541]  ? rcu_softirq_qs+0x20/0x20
[  641.179531]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.185095]  ? oom_evaluate_task+0x302/0x540
[  641.189515]  out_of_memory+0xa84/0x1430
[  641.193506]  ? oom_killer_disable+0x3a0/0x3a0
[  641.198006]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  641.202963]  ? __ww_mutex_check_waiters+0x160/0x160
[  641.207995]  __alloc_pages_slowpath+0x232c/0x2de0
[  641.212927]  ? warn_alloc+0x120/0x120
[  641.216728]  ? mark_held_locks+0x130/0x130
[  641.220966]  ? find_get_entry+0xaae/0x1120
[  641.225216]  ? filemap_map_pages+0x1a20/0x1a20
[  641.229810]  ? zap_class+0x640/0x640
[  641.233545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  641.239091]  ? check_preemption_disabled+0x48/0x280
[  641.244118]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.249681]  ? should_fail+0x22d/0xd01
[  641.253579]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  641.258709]  ? zap_class+0x640/0x640
[  641.262484]  ? __lock_is_held+0xb5/0x140
[  641.266557]  ? mark_held_locks+0x130/0x130
[  641.270812]  ? lock_release+0xa00/0xa00
[  641.274790]  ? perf_trace_sched_process_exec+0x860/0x860
[  641.280243]  ? xa_load+0x2ba/0x460
[  641.283791]  ? lock_downgrade+0x900/0x900
[  641.287943]  ? __might_sleep+0x95/0x190
[  641.291917]  __alloc_pages_nodemask+0xad8/0xea0
[  641.296592]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  641.301645]  ? __page_cache_alloc+0x191/0x5c0
[  641.306157]  ? xa_load+0x2e1/0x460
[  641.309708]  ? xa_clear_mark+0x40/0x40
[  641.313592]  ? zap_class+0x640/0x640
[  641.317323]  ? zap_class+0x640/0x640
[  641.321050]  ? zap_class+0x640/0x640
[  641.324759]  ? __do_page_cache_readahead+0x663/0x810
[  641.329930]  ? find_held_lock+0x36/0x1c0
[  641.334017]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  641.339569]  alloc_pages_current+0x173/0x350
[  641.343980]  __page_cache_alloc+0x38c/0x5c0
[  641.348299]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.353241]  ? kasan_check_read+0x11/0x20
[  641.357386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.362657]  ? generic_perform_write+0x6a0/0x6a0
[  641.367478]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.373014]  ? check_preemption_disabled+0x48/0x280
[  641.378037]  filemap_fault+0x1595/0x25f0
[  641.382132]  ? __lock_page_or_retry+0xa00/0xa00
[  641.386802]  ? mark_held_locks+0x130/0x130
[  641.391038]  ? filemap_map_pages+0xd6b/0x1a20
[  641.395542]  ? lock_downgrade+0x900/0x900
[  641.399702]  ? check_preemption_disabled+0x48/0x280
[  641.404716]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.409639]  ? kasan_check_read+0x11/0x20
[  641.413779]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.419053]  ? rcu_softirq_qs+0x20/0x20
[  641.423115]  ? filemap_map_pages+0xd92/0x1a20
[  641.427635]  ? find_get_entries_tag+0x1400/0x1400
[  641.432486]  ? __kernel_text_address+0xd/0x40
[  641.436976]  ? unwind_get_return_address+0x61/0xa0
[  641.441928]  ? lock_acquire+0x1ed/0x520
[  641.445911]  ? ext4_filemap_fault+0x7a/0xad
[  641.450250]  ? lock_release+0xa00/0xa00
[  641.454286]  ? perf_trace_sched_process_exec+0x860/0x860
[  641.459764]  ? print_usage_bug+0xc0/0xc0
[  641.463839]  ? print_usage_bug+0xc0/0xc0
[  641.467901]  ? __x64_sys_read+0x73/0xb0
[  641.471889]  ? print_usage_bug+0xc0/0xc0
[  641.475998]  ? down_read+0x8d/0x120
[  641.479630]  ? ext4_filemap_fault+0x7a/0xad
[  641.483955]  ? __down_interruptible+0x700/0x700
[  641.488631]  ext4_filemap_fault+0x82/0xad
[  641.492777]  __do_fault+0x100/0x6b0
[  641.496407]  ? trace_hardirqs_on+0xbd/0x310
[  641.500737]  ? pmd_devmap_trans_unstable+0x220/0x220
[  641.505838]  ? mark_held_locks+0x130/0x130
[  641.510072]  ? mark_held_locks+0x130/0x130
[  641.514331]  ? do_syslog+0x147b/0x1690
[  641.518225]  ? do_syslog+0x309/0x1690
[  641.522025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.527570]  __handle_mm_fault+0x3ea0/0x5be0
[  641.531985]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  641.536833]  ? find_held_lock+0x36/0x1c0
[  641.540911]  ? zap_class+0x640/0x640
[  641.544628]  ? zap_class+0x640/0x640
[  641.548350]  ? find_held_lock+0x36/0x1c0
[  641.552463]  ? handle_mm_fault+0x42a/0xc70
[  641.556701]  ? lock_downgrade+0x900/0x900
[  641.560848]  ? check_preemption_disabled+0x48/0x280
[  641.565870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  641.570799]  ? kasan_check_read+0x11/0x20
[  641.574948]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  641.580225]  ? rcu_softirq_qs+0x20/0x20
[  641.584202]  ? trace_hardirqs_off_caller+0x310/0x310
[  641.589313]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  641.594846]  ? check_preemption_disabled+0x48/0x280
[  641.599883]  handle_mm_fault+0x54f/0xc70
[  641.603945]  ? __handle_mm_fault+0x5be0/0x5be0
[  641.608544]  ? find_vma+0x34/0x190
[  641.612087]  __do_page_fault+0x5e8/0xe60
[  641.616145]  ? trace_hardirqs_off+0xb8/0x310
[  641.620545]  ? kernel_write+0x120/0x120
[  641.624546]  do_page_fault+0xf2/0x7e0
[  641.628356]  ? vmalloc_sync_all+0x30/0x30
[  641.632546]  ? error_entry+0x70/0xd0
[  641.636277]  ? trace_hardirqs_off_caller+0xbb/0x310
[  641.641308]  ? trace_hardirqs_on_caller+0xc0/0x310
[  641.646241]  ? syscall_return_slowpath+0x5e0/0x5e0
[  641.651256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.656156]  ? trace_hardirqs_on_caller+0x310/0x310
[  641.661178]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  641.666633]  ? prepare_exit_to_usermode+0x291/0x3b0
[  641.671649]  ? page_fault+0x8/0x30
[  641.675208]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  641.680068]  ? page_fault+0x8/0x30
[  641.683610]  page_fault+0x1e/0x30
[  641.687069] RIP: 0033:0x7fe9f4ff21fd
[  641.690811] Code: Bad RIP value.
[  641.694173] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  641.699559] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  641.706822] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  641.714089] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  641.721353] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  641.728618] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  641.735915] warn_alloc_show_mem: 1 callbacks suppressed
[  641.735926] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  641.735927] Mem-Info:
[  641.735954] active_anon:43385 inactive_anon:190 isolated_anon:0
[  641.735954]  active_file:9 inactive_file:19 isolated_file:0
[  641.735954]  unevictable:0 dirty:0 writeback:0 unstable:0
[  641.735954]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  641.735954]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  641.735954]  free:13722 free_pcp:438 free_cma:0
[  641.741299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  641.748401] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  641.750795] Call Trace:
[  641.783745] 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
[  641.793106]  <IRQ>
[  641.820584] lowmem_reserve[]: 0 2818 6321 6321
[  641.823164]  dump_stack+0x244/0x39d
[  641.849258] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  641.851407]  ? dump_stack_print_info.cold.1+0x20/0x20
[  641.855958] lowmem_reserve[]: 0 0 3503 3503
[  641.859595]  warn_alloc.cold.116+0xb7/0x1bd
[  641.886886] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  641.892112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  641.896399] lowmem_reserve[]: 0 0 0 0
[  641.900742]  ? lock_downgrade+0x900/0x900
[  641.929689] 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
[  641.934528]  ? trace_hardirqs_off+0xb8/0x310
[  641.938302] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  641.942451]  ? trace_hardirqs_off+0xb8/0x310
[  641.955951] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  641.960362]  __alloc_pages_slowpath+0x2651/0x2de0
[  641.975336] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  641.979754]  ? warn_alloc+0x120/0x120
[  641.995234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  642.000069]  ? warn_alloc+0x120/0x120
[  642.008881] 272 total pagecache pages
[  642.012679]  ? warn_alloc+0x120/0x120
[  642.021236] 0 pages in swap cache
[  642.025038]  ? print_usage_bug+0xc0/0xc0
[  642.028821] Swap cache stats: add 0, delete 0, find 0/0
[  642.032614]  ? print_usage_bug+0xc0/0xc0
[  642.036046] Free swap  = 0kB
[  642.040097]  ? ktime_get+0x2c1/0x400
[  642.045442] Total swap = 0kB
[  642.049495]  ? check_preemption_disabled+0x48/0x280
[  642.052485] 1965979 pages RAM
[  642.056205]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  642.059197] 0 pages HighMem/MovableOnly
[  642.059206] 342854 pages reserved
[  642.064231]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.067308] 0 pages cma reserved
[  642.071797]  ? should_fail+0x22d/0xd01
[  642.075837] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  642.079223]  ? kasan_check_read+0x11/0x20
[  642.084817] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  642.088107]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.091977] rsyslogd cpuset=/ mems_allowed=0
[  642.098484]  ? __lock_acquire+0x62f/0x4c20
[  642.126378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.131526]  ? should_fail+0x22d/0xd01
[  642.135409]  ? print_usage_bug+0xc0/0xc0
[  642.139518]  ? mark_held_locks+0x130/0x130
[  642.143752]  ? mark_held_locks+0x130/0x130
[  642.148003]  ? check_preemption_disabled+0x48/0x280
[  642.153043]  ? zap_class+0x640/0x640
[  642.156797]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  642.161557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.167095]  ? check_preemption_disabled+0x48/0x280
[  642.172128]  ? __lock_is_held+0xb5/0x140
[  642.176192]  __alloc_pages_nodemask+0xad8/0xea0
[  642.180864]  ? zap_class+0x640/0x640
[  642.184584]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  642.189633]  ? find_held_lock+0x36/0x1c0
[  642.193698]  ? ____cache_alloc_node+0x1c7/0x1e0
[  642.198400]  ? lock_downgrade+0x900/0x900
[  642.202558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.208096]  cache_grow_begin+0xa5/0x8c0
[  642.212156]  ? do_raw_spin_unlock+0xa7/0x330
[  642.216588]  fallback_alloc+0x204/0x2e0
[  642.220569]  ____cache_alloc_node+0x1c7/0x1e0
[  642.225071]  kmem_cache_alloc_node+0xe3/0x730
[  642.229582]  ? lockdep_hardirqs_on+0x296/0x5b0
[  642.234173]  __alloc_skb+0x119/0x770
[  642.237893]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  642.243261]  ? netdev_alloc_frag+0x1f0/0x1f0
[  642.247679]  ? vprintk_default+0x28/0x30
[  642.251742]  ? vprintk_func+0x85/0x181
[  642.255636]  ? printk+0xa7/0xcf
[  642.258916]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  642.263678]  ? do_raw_spin_trylock+0x270/0x270
[  642.268266]  new_skb+0x26/0x1c0
[  642.271548]  aoecmd_cfg+0x279/0x7f0
[  642.275180]  ? find_held_lock+0x36/0x1c0
[  642.279248]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  642.283579]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.289134]  ? __lock_is_held+0xb5/0x140
[  642.293204]  discover_timer+0x50/0x60
[  642.297006]  call_timer_fn+0x272/0x920
[  642.300895]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  642.305736]  ? process_timeout+0x40/0x40
[  642.309810]  ? __run_timers+0x7da/0xc70
[  642.313791]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.318284]  ? _raw_spin_unlock_irq+0x27/0x80
[  642.322788]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  642.327630]  ? lockdep_hardirqs_on+0x296/0x5b0
[  642.332214]  ? trace_hardirqs_on+0xbd/0x310
[  642.336535]  ? kasan_check_read+0x11/0x20
[  642.340682]  ? __run_timers+0x7da/0xc70
[  642.344653]  ? trace_hardirqs_off_caller+0x310/0x310
[  642.349775]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  642.354639]  __run_timers+0x7e5/0xc70
[  642.358454]  ? timer_fixup_init+0x70/0x70
[  642.362607]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  642.367625]  ? zap_class+0x640/0x640
[  642.371345]  ? enqueue_hrtimer+0x1a5/0x560
[  642.375591]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  642.380789]  ? find_held_lock+0x36/0x1c0
[  642.384867]  ? zap_class+0x640/0x640
[  642.388590]  ? pvclock_read_flags+0x160/0x160
[  642.393104]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.398657]  ? check_preemption_disabled+0x48/0x280
[  642.403684]  ? __lock_is_held+0xb5/0x140
[  642.407741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.413273]  ? check_preemption_disabled+0x48/0x280
[  642.418289]  run_timer_softirq+0x52/0xb0
[  642.422342]  ? rcu_read_lock_sched_held+0x14f/0x180
[  642.427367]  __do_softirq+0x308/0xb7e
[  642.431186]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  642.435690]  ? lock_downgrade+0x900/0x900
[  642.439872]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  642.444978]  ? pvclock_read_flags+0x160/0x160
[  642.449471]  ? lapic_next_event+0x5a/0x90
[  642.453634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.459176]  ? kvm_clock_read+0x18/0x30
[  642.463151]  ? kvm_sched_clock_read+0x9/0x20
[  642.467561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.473097]  ? check_preemption_disabled+0x48/0x280
[  642.478120]  irq_exit+0x17f/0x1c0
[  642.481580]  smp_apic_timer_interrupt+0x1cb/0x760
[  642.486418]  ? smp_reschedule_interrupt+0x109/0x650
[  642.491504]  ? smp_call_function_single_interrupt+0x650/0x650
[  642.497401]  ? interrupt_entry+0xb5/0xc0
[  642.501470]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.506483]  ? trace_hardirqs_off_caller+0xbb/0x310
[  642.511496]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.516339]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.521354]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.526384]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.531230]  apic_timer_interrupt+0xf/0x20
[  642.535474]  </IRQ>
[  642.537712] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  642.542659] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  642.561554] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  642.569257] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  642.576522] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  642.583795] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  642.591079] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  642.598347] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  642.605651]  skb_clone+0x1bb/0x500
[  642.609189]  ? finish_task_switch+0x2f4/0x910
[  642.613683]  ? skb_split+0x11e0/0x11e0
[  642.617573]  ? preempt_notifier_register+0x200/0x200
[  642.622674]  ? __switch_to_asm+0x34/0x70
[  642.626737]  ? __switch_to_asm+0x34/0x70
[  642.630806]  ? __switch_to_asm+0x40/0x70
[  642.634896]  ? __switch_to_asm+0x34/0x70
[  642.638959]  ? __switch_to_asm+0x40/0x70
[  642.643021]  ? __switch_to_asm+0x34/0x70
[  642.647078]  ? __switch_to_asm+0x40/0x70
[  642.651140]  ? __switch_to_asm+0x34/0x70
[  642.655214]  ? __switch_to_asm+0x34/0x70
[  642.659297]  ? __switch_to_asm+0x40/0x70
[  642.663368]  ? __switch_to_asm+0x34/0x70
[  642.667451]  bpf_clone_redirect+0xb9/0x490
[  642.671690]  ? __schedule+0x8d7/0x21d0
[  642.675585]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  642.680603]  ? __sched_text_start+0x8/0x8
[  642.684757]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  642.689338]  ? retint_kernel+0x2d/0x2d
[  642.693225]  ? trace_hardirqs_on_caller+0xc0/0x310
[  642.698161]  ? find_held_lock+0x36/0x1c0
[  642.702237]  ? lock_acquire+0x1ed/0x520
[  642.706212]  ? bpf_test_run+0x3ee/0x7a0
[  642.710209]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  642.715749]  ? check_preemption_disabled+0x48/0x280
[  642.720776]  ? kasan_check_read+0x11/0x20
[  642.724956]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.730228]  ? rcu_softirq_qs+0x20/0x20
[  642.734202]  ? preempt_schedule+0x4d/0x60
[  642.738348]  ? ___preempt_schedule+0x16/0x18
[  642.742762]  ? bpf_test_run+0x271/0x7a0
[  642.746754]  ? netlink_diag_dump+0x2a0/0x2a0
[  642.751179]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.756714]  ? bpf_test_init.isra.10+0x70/0x100
[  642.761405]  ? bpf_prog_test_run_skb+0x762/0xd60
[  642.766227]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.771076]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  642.776611]  ? fput+0x130/0x1a0
[  642.779896]  ? __bpf_prog_get+0x9b/0x290
[  642.783960]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  642.788810]  ? bpf_prog_test_run+0x130/0x1a0
[  642.793230]  ? __x64_sys_bpf+0x3d8/0x520
[  642.797292]  ? bpf_prog_get+0x20/0x20
[  642.801130]  ? do_syscall_64+0x1b9/0x820
[  642.805186]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  642.810550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  642.815479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.820320]  ? trace_hardirqs_on_caller+0x310/0x310
[  642.825331]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  642.830345]  ? prepare_exit_to_usermode+0x291/0x3b0
[  642.835363]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  642.840208]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  642.845617] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  642.845688] aoe: skb alloc failure
[  642.852370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  642.852375] Call Trace:
[  642.852380]  <IRQ>
[  642.852395]  dump_stack+0x244/0x39d
[  642.852413]  ? dump_stack_print_info.cold.1+0x20/0x20
[  642.855963] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  642.865376]  warn_alloc.cold.116+0xb7/0x1bd
[  642.867926] syz-executor4 cpuset=syz4 mems_allowed=0
[  642.870079]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  642.903574]  ? lock_downgrade+0x900/0x900
[  642.908219]  ? trace_hardirqs_off+0xb8/0x310
[  642.912634]  ? trace_hardirqs_off+0xb8/0x310
[  642.917071]  __alloc_pages_slowpath+0x2651/0x2de0
[  642.921934]  ? warn_alloc+0x120/0x120
[  642.925743]  ? print_usage_bug+0xc0/0xc0
[  642.929816]  ? warn_alloc+0x120/0x120
[  642.933651]  ? warn_alloc+0x120/0x120
[  642.937460]  ? print_usage_bug+0xc0/0xc0
[  642.941523]  ? kvm_clock_read+0x18/0x30
[  642.945525]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  642.950537]  ? print_usage_bug+0xc0/0xc0
[  642.954594]  ? __lock_acquire+0x62f/0x4c20
[  642.958828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  642.964376]  ? should_fail+0x22d/0xd01
[  642.968257]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  642.973537]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.978640]  ? __lock_acquire+0x62f/0x4c20
[  642.982897]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  642.988012]  ? __lock_acquire+0x62f/0x4c20
[  642.992244]  ? should_fail+0x22d/0xd01
[  642.996128]  ? rcu_irq_exit+0x1a2/0x390
[  643.000111]  ? mark_held_locks+0x130/0x130
[  643.004363]  ? mark_held_locks+0x130/0x130
[  643.008608]  ? mark_held_locks+0xc7/0x130
[  643.012754]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  643.017771]  ? zap_class+0x640/0x640
[  643.021492]  ? print_usage_bug+0xc0/0xc0
[  643.025561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.031117]  ? check_preemption_disabled+0x48/0x280
[  643.036151]  ? __lock_is_held+0xb5/0x140
[  643.040217]  __alloc_pages_nodemask+0xad8/0xea0
[  643.044883]  ? zap_class+0x640/0x640
[  643.048600]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.053629]  ? find_held_lock+0x36/0x1c0
[  643.057699]  ? ____cache_alloc_node+0x1c7/0x1e0
[  643.062373]  ? lock_downgrade+0x900/0x900
[  643.066558]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.072099]  cache_grow_begin+0xa5/0x8c0
[  643.076158]  ? do_raw_spin_unlock+0xa7/0x330
[  643.080573]  fallback_alloc+0x204/0x2e0
[  643.084569]  ____cache_alloc_node+0x1c7/0x1e0
[  643.089076]  kmem_cache_alloc_node+0xe3/0x730
[  643.093589]  ? ipv6_get_ifaddr+0x42e/0x620
[  643.097831]  __alloc_skb+0x119/0x770
[  643.101553]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.106834]  ? netdev_alloc_frag+0x1f0/0x1f0
[  643.111267]  ? lock_downgrade+0x900/0x900
[  643.115424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.120971]  ? refcount_sub_and_test_checked+0x203/0x310
[  643.126435]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  643.131900]  ? addrconf_rs_timer+0x690/0x690
[  643.136328]  ndisc_alloc_skb+0x144/0x340
[  643.140396]  ndisc_send_rs+0x331/0x6e0
[  643.144303]  addrconf_rs_timer+0x314/0x690
[  643.148544]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.152791]  call_timer_fn+0x272/0x920
[  643.156682]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.160943]  ? process_timeout+0x40/0x40
[  643.165019]  ? mark_held_locks+0xc7/0x130
[  643.169173]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.173665]  ? _raw_spin_unlock_irq+0x27/0x80
[  643.178189]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.182443]  ? lockdep_hardirqs_on+0x296/0x5b0
[  643.187031]  ? trace_hardirqs_on+0xbd/0x310
[  643.191352]  ? kasan_check_read+0x11/0x20
[  643.195498]  ? __run_timers+0x7da/0xc70
[  643.199481]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.204598]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  643.208832]  __run_timers+0x7e5/0xc70
[  643.212646]  ? timer_fixup_init+0x70/0x70
[  643.216795]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  643.221815]  ? zap_class+0x640/0x640
[  643.225553]  ? print_usage_bug+0xc0/0xc0
[  643.229644]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  643.234844]  ? find_held_lock+0x36/0x1c0
[  643.238916]  ? zap_class+0x640/0x640
[  643.242636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.248177]  ? check_preemption_disabled+0x48/0x280
[  643.253201]  ? __lock_is_held+0xb5/0x140
[  643.257261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.262800]  ? check_preemption_disabled+0x48/0x280
[  643.267832]  run_timer_softirq+0x52/0xb0
[  643.271896]  ? rcu_read_lock_sched_held+0x14f/0x180
[  643.276912]  __do_softirq+0x308/0xb7e
[  643.280722]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  643.285215]  ? lock_downgrade+0x900/0x900
[  643.289365]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  643.294494]  ? pvclock_read_flags+0x160/0x160
[  643.298993]  ? lapic_next_event+0x5a/0x90
[  643.303161]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.308723]  ? kvm_clock_read+0x18/0x30
[  643.312698]  ? kvm_sched_clock_read+0x9/0x20
[  643.317106]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.322645]  ? check_preemption_disabled+0x48/0x280
[  643.327671]  irq_exit+0x17f/0x1c0
[  643.331141]  smp_apic_timer_interrupt+0x1cb/0x760
[  643.336055]  ? smp_call_function_single_interrupt+0x650/0x650
[  643.341941]  ? interrupt_entry+0xb5/0xc0
[  643.346020]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.351064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  643.356093]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.360951]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.365982]  ? trace_hardirqs_on_caller+0x310/0x310
[  643.371029]  ? task_prio+0x50/0x50
[  643.374589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.380125]  ? check_preemption_disabled+0x48/0x280
[  643.385143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  643.390086]  apic_timer_interrupt+0xf/0x20
[  643.394324]  </IRQ>
[  643.396576] RIP: 0010:dump_stack+0x358/0x39d
[  643.400983] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  643.419878] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  643.427584] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  643.434861] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  643.442139] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  643.449401] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  643.456685] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  643.463980]  ? dump_stack+0x34f/0x39d
[  643.467790]  ? dump_stack_print_info.cold.1+0x20/0x20
[  643.473013]  ? mark_held_locks+0x130/0x130
[  643.477257]  ? mark_held_locks+0x130/0x130
[  643.481495]  dump_header+0x27b/0xf72
[  643.485228]  ? pagefault_out_of_memory+0x197/0x197
[  643.490183]  ? __lock_acquire+0x62f/0x4c20
[  643.494493]  ? percpu_ref_get_many+0x240/0x240
[  643.499100]  ? print_usage_bug+0xc0/0xc0
[  643.503162]  ? zap_class+0x640/0x640
[  643.506880]  ? print_usage_bug+0xc0/0xc0
[  643.510938]  ? print_usage_bug+0xc0/0xc0
[  643.515003]  ? zap_class+0x640/0x640
[  643.518741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.524300]  ? find_held_lock+0x36/0x1c0
[  643.528369]  ? mark_held_locks+0xc7/0x130
[  643.532514]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.537615]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  643.542723]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  643.547565]  ? trace_hardirqs_on+0xbd/0x310
[  643.552050]  ? kasan_check_read+0x11/0x20
[  643.556776]  ? ___ratelimit+0x3b4/0x672
[  643.560768]  ? trace_hardirqs_off_caller+0x310/0x310
[  643.565875]  ? trace_hardirqs_on+0x310/0x310
[  643.570293]  ? lock_downgrade+0x900/0x900
[  643.574460]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  643.579578]  ? ___ratelimit+0x3b9/0x672
[  643.583554]  ? idr_get_free+0xf70/0xf70
[  643.587645]  ? find_held_lock+0x36/0x1c0
[  643.591731]  oom_kill_process.cold.27+0x10/0x903
[  643.596501]  ? zap_class+0x640/0x640
[  643.600220]  ? check_preemption_disabled+0x48/0x280
[  643.605263]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.610216]  ? kasan_check_read+0x11/0x20
[  643.614366]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.619645]  ? oom_evaluate_task+0x540/0x540
[  643.624095]  ? find_held_lock+0x36/0x1c0
[  643.628179]  ? out_of_memory+0x974/0x1430
[  643.632364]  ? lock_downgrade+0x900/0x900
[  643.636517]  ? check_preemption_disabled+0x48/0x280
[  643.641542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.646475]  ? kasan_check_read+0x11/0x20
[  643.650624]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.655902]  ? rcu_softirq_qs+0x20/0x20
[  643.659884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.665452]  ? oom_evaluate_task+0x302/0x540
[  643.669867]  out_of_memory+0xa84/0x1430
[  643.673854]  ? oom_killer_disable+0x3a0/0x3a0
[  643.678371]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  643.683307]  ? __ww_mutex_check_waiters+0x160/0x160
[  643.688337]  __alloc_pages_slowpath+0x232c/0x2de0
[  643.693207]  ? warn_alloc+0x120/0x120
[  643.697020]  ? mark_held_locks+0x130/0x130
[  643.701278]  ? find_get_entry+0xaae/0x1120
[  643.705530]  ? filemap_map_pages+0x1a20/0x1a20
[  643.710121]  ? zap_class+0x640/0x640
[  643.713841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  643.719377]  ? check_preemption_disabled+0x48/0x280
[  643.724394]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.729940]  ? should_fail+0x22d/0xd01
[  643.733840]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  643.738969]  ? zap_class+0x640/0x640
[  643.742737]  ? __lock_is_held+0xb5/0x140
[  643.746813]  ? mark_held_locks+0x130/0x130
[  643.751059]  ? lock_release+0xa00/0xa00
[  643.755052]  ? perf_trace_sched_process_exec+0x860/0x860
[  643.760501]  ? xa_load+0x2ba/0x460
[  643.764043]  ? lock_downgrade+0x900/0x900
[  643.768195]  ? __might_sleep+0x95/0x190
[  643.772176]  __alloc_pages_nodemask+0xad8/0xea0
[  643.776952]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  643.781970]  ? __page_cache_alloc+0x191/0x5c0
[  643.786467]  ? xa_load+0x2e1/0x460
[  643.790040]  ? xa_clear_mark+0x40/0x40
[  643.793931]  ? zap_class+0x640/0x640
[  643.797669]  ? zap_class+0x640/0x640
[  643.801384]  ? zap_class+0x640/0x640
[  643.805098]  ? __do_page_cache_readahead+0x663/0x810
[  643.810207]  ? find_held_lock+0x36/0x1c0
[  643.814274]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  643.819826]  alloc_pages_current+0x173/0x350
[  643.824241]  __page_cache_alloc+0x38c/0x5c0
[  643.828574]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.833504]  ? kasan_check_read+0x11/0x20
[  643.837666]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.842945]  ? generic_perform_write+0x6a0/0x6a0
[  643.847702]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  643.853240]  ? check_preemption_disabled+0x48/0x280
[  643.858262]  filemap_fault+0x1595/0x25f0
[  643.862357]  ? __lock_page_or_retry+0xa00/0xa00
[  643.867054]  ? mark_held_locks+0x130/0x130
[  643.871303]  ? filemap_map_pages+0xd6b/0x1a20
[  643.875798]  ? lock_downgrade+0x900/0x900
[  643.879943]  ? check_preemption_disabled+0x48/0x280
[  643.884962]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  643.889896]  ? kasan_check_read+0x11/0x20
[  643.894042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  643.899319]  ? rcu_softirq_qs+0x20/0x20
[  643.903310]  ? filemap_map_pages+0xd92/0x1a20
[  643.907825]  ? find_get_entries_tag+0x1400/0x1400
[  643.912701]  ? __kernel_text_address+0xd/0x40
[  643.917211]  ? unwind_get_return_address+0x61/0xa0
[  643.922170]  ? lock_acquire+0x1ed/0x520
[  643.926172]  ? ext4_filemap_fault+0x7a/0xad
[  643.930518]  ? lock_release+0xa00/0xa00
[  643.934494]  ? perf_trace_sched_process_exec+0x860/0x860
[  643.939945]  ? print_usage_bug+0xc0/0xc0
[  643.944023]  ? print_usage_bug+0xc0/0xc0
[  643.948111]  ? __x64_sys_read+0x73/0xb0
[  643.952085]  ? print_usage_bug+0xc0/0xc0
[  643.956156]  ? down_read+0x8d/0x120
[  643.959792]  ? ext4_filemap_fault+0x7a/0xad
[  643.964131]  ? __down_interruptible+0x700/0x700
[  643.968813]  ext4_filemap_fault+0x82/0xad
[  643.972965]  __do_fault+0x100/0x6b0
[  643.976607]  ? trace_hardirqs_on+0xbd/0x310
[  643.980933]  ? pmd_devmap_trans_unstable+0x220/0x220
[  643.986042]  ? mark_held_locks+0x130/0x130
[  643.990301]  ? mark_held_locks+0x130/0x130
[  643.994534]  ? do_syslog+0x147b/0x1690
[  643.998424]  ? do_syslog+0x309/0x1690
[  644.002255]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.007807]  __handle_mm_fault+0x3ea0/0x5be0
[  644.012227]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  644.017073]  ? find_held_lock+0x36/0x1c0
[  644.021176]  ? zap_class+0x640/0x640
[  644.024888]  ? zap_class+0x640/0x640
[  644.028622]  ? find_held_lock+0x36/0x1c0
[  644.032692]  ? handle_mm_fault+0x42a/0xc70
[  644.036957]  ? lock_downgrade+0x900/0x900
[  644.041119]  ? check_preemption_disabled+0x48/0x280
[  644.046151]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  644.051090]  ? kasan_check_read+0x11/0x20
[  644.055265]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  644.060555]  ? rcu_softirq_qs+0x20/0x20
[  644.064526]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.069631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.075164]  ? check_preemption_disabled+0x48/0x280
[  644.080208]  handle_mm_fault+0x54f/0xc70
[  644.084295]  ? __handle_mm_fault+0x5be0/0x5be0
[  644.088877]  ? find_vma+0x34/0x190
[  644.092464]  __do_page_fault+0x5e8/0xe60
[  644.096518]  ? trace_hardirqs_off+0xb8/0x310
[  644.100920]  ? kernel_write+0x120/0x120
[  644.104939]  do_page_fault+0xf2/0x7e0
[  644.108754]  ? vmalloc_sync_all+0x30/0x30
[  644.112911]  ? error_entry+0x70/0xd0
[  644.116619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.121665]  ? trace_hardirqs_on_caller+0xc0/0x310
[  644.126619]  ? syscall_return_slowpath+0x5e0/0x5e0
[  644.131565]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.136402]  ? trace_hardirqs_on_caller+0x310/0x310
[  644.141417]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  644.146871]  ? prepare_exit_to_usermode+0x291/0x3b0
[  644.151897]  ? page_fault+0x8/0x30
[  644.155439]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  644.160285]  ? page_fault+0x8/0x30
[  644.163821]  page_fault+0x1e/0x30
[  644.167264] RIP: 0033:0x7fe9f4ff21fd
[  644.171005] Code: Bad RIP value.
[  644.174391] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  644.179742] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  644.187017] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  644.194294] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  644.201559] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  644.208823] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  644.216122] warn_alloc_show_mem: 1 callbacks suppressed
[  644.216155] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  644.216157] Mem-Info:
[  644.216213] active_anon:43385 inactive_anon:190 isolated_anon:0
[  644.216213]  active_file:9 inactive_file:19 isolated_file:0
[  644.216213]  unevictable:0 dirty:0 writeback:0 unstable:0
[  644.216213]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  644.216213]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  644.216213]  free:13722 free_pcp:438 free_cma:0
[  644.221574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  644.221581] Call Trace:
[  644.228690] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  644.231099]  <IRQ>
[  644.263916] 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
[  644.273272]  dump_stack+0x244/0x39d
[  644.275876] lowmem_reserve[]: 0 2818 6321 6321
[  644.303397]  ? dump_stack_print_info.cold.1+0x20/0x20
[  644.305539] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  644.331644]  warn_alloc.cold.116+0xb7/0x1bd
[  644.335236] lowmem_reserve[]: 0 0 3503 3503
[  644.339813]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  644.344979] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  644.372298]  ? lock_downgrade+0x900/0x900
[  644.372319]  ? trace_hardirqs_off+0xb8/0x310
[  644.376615] lowmem_reserve[]: 0 0 0 0
[  644.380933]  ? trace_hardirqs_off+0xb8/0x310
[  644.380953]  __alloc_pages_slowpath+0x2651/0x2de0
[  644.380990]  ? warn_alloc+0x120/0x120
[  644.381046]  ? warn_alloc+0x120/0x120
[  644.385985] 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
[  644.414950]  ? __lock_acquire+0x62f/0x4c20
[  644.414963]  ? warn_alloc+0x120/0x120
[  644.415022]  ? print_usage_bug+0xc0/0xc0
[  644.419139] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  644.423559]  ? print_usage_bug+0xc0/0xc0
[  644.427332] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  644.431730]  ? mark_held_locks+0x130/0x130
[  644.436580] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  644.440367]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  644.444148] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  644.457762]  ? should_fail+0x22d/0xd01
[  644.461977] 272 total pagecache pages
[  644.465816]  ? zap_class+0x640/0x640
[  644.469851] 0 pages in swap cache
[  644.484828]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.488865] Swap cache stats: add 0, delete 0, find 0/0
[  644.504375]  ? __lock_acquire+0x62f/0x4c20
[  644.508613] Free swap  = 0kB
[  644.517452]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  644.522960] Total swap = 0kB
[  644.531540]  ? should_fail+0x22d/0xd01
[  644.535398] 1965979 pages RAM
[  644.539215]  ? mark_held_locks+0x130/0x130
[  644.542896] 0 pages HighMem/MovableOnly
[  644.546351]  ? mark_held_locks+0x130/0x130
[  644.551422] 342854 pages reserved
[  644.556778]  ? lock_downgrade+0x900/0x900
[  644.560984] 0 pages cma reserved
[  644.563987]  ? zap_class+0x640/0x640
[  644.569188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  644.572105]  ? zap_class+0x640/0x640
[  644.572118]  ? zap_class+0x640/0x640
[  644.572128]  ? do_raw_spin_unlock+0xa7/0x330
[  644.572142]  ? trace_hardirqs_on+0x310/0x310
[  644.576054] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  644.579119]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.583326] rsyslogd cpuset=/ mems_allowed=0
[  644.587284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.654260]  ? check_preemption_disabled+0x48/0x280
[  644.659283]  ? __lock_is_held+0xb5/0x140
[  644.663353]  __alloc_pages_nodemask+0xad8/0xea0
[  644.668024]  ? zap_class+0x640/0x640
[  644.671759]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  644.676839]  ? find_held_lock+0x36/0x1c0
[  644.680922]  ? ____cache_alloc_node+0x1c7/0x1e0
[  644.685618]  ? lock_downgrade+0x900/0x900
[  644.689791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.695330]  cache_grow_begin+0xa5/0x8c0
[  644.699393]  ? do_raw_spin_unlock+0xa7/0x330
[  644.703811]  fallback_alloc+0x204/0x2e0
[  644.707803]  ____cache_alloc_node+0x1c7/0x1e0
[  644.712323]  kmem_cache_alloc_node+0xe3/0x730
[  644.716822]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.721414]  __alloc_skb+0x119/0x770
[  644.725132]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  644.730515]  ? netdev_alloc_frag+0x1f0/0x1f0
[  644.734942]  ? vprintk_default+0x28/0x30
[  644.739005]  ? vprintk_func+0x85/0x181
[  644.742897]  ? printk+0xa7/0xcf
[  644.746175]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  644.750931]  ? do_raw_spin_trylock+0x270/0x270
[  644.755517]  new_skb+0x26/0x1c0
[  644.758795]  aoecmd_cfg+0x279/0x7f0
[  644.762416]  ? find_held_lock+0x36/0x1c0
[  644.766482]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  644.770806]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.776352]  ? __lock_is_held+0xb5/0x140
[  644.780419]  discover_timer+0x50/0x60
[  644.784240]  call_timer_fn+0x272/0x920
[  644.788125]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  644.792965]  ? process_timeout+0x40/0x40
[  644.797026]  ? __run_timers+0x7da/0xc70
[  644.801013]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.805499]  ? _raw_spin_unlock_irq+0x27/0x80
[  644.809987]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  644.814868]  ? lockdep_hardirqs_on+0x296/0x5b0
[  644.819500]  ? trace_hardirqs_on+0xbd/0x310
[  644.823846]  ? kasan_check_read+0x11/0x20
[  644.828007]  ? __run_timers+0x7da/0xc70
[  644.831985]  ? trace_hardirqs_off_caller+0x310/0x310
[  644.837140]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  644.841980]  __run_timers+0x7e5/0xc70
[  644.845819]  ? timer_fixup_init+0x70/0x70
[  644.849971]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  644.854999]  ? zap_class+0x640/0x640
[  644.858712]  ? enqueue_hrtimer+0x1a5/0x560
[  644.862964]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  644.868174]  ? find_held_lock+0x36/0x1c0
[  644.872234]  ? zap_class+0x640/0x640
[  644.875954]  ? pvclock_read_flags+0x160/0x160
[  644.880453]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.886005]  ? check_preemption_disabled+0x48/0x280
[  644.891046]  ? __lock_is_held+0xb5/0x140
[  644.895126]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.900662]  ? check_preemption_disabled+0x48/0x280
[  644.905886]  run_timer_softirq+0x52/0xb0
[  644.909943]  ? rcu_read_lock_sched_held+0x14f/0x180
[  644.914954]  __do_softirq+0x308/0xb7e
[  644.918750]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  644.923234]  ? lock_downgrade+0x900/0x900
[  644.927377]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  644.932477]  ? pvclock_read_flags+0x160/0x160
[  644.936989]  ? lapic_next_event+0x5a/0x90
[  644.941134]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.946673]  ? kvm_clock_read+0x18/0x30
[  644.950647]  ? kvm_sched_clock_read+0x9/0x20
[  644.955054]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  644.960592]  ? check_preemption_disabled+0x48/0x280
[  644.965667]  irq_exit+0x17f/0x1c0
[  644.969118]  smp_apic_timer_interrupt+0x1cb/0x760
[  644.973955]  ? smp_reschedule_interrupt+0x109/0x650
[  644.978969]  ? smp_call_function_single_interrupt+0x650/0x650
[  644.984864]  ? interrupt_entry+0xb5/0xc0
[  644.988953]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.993963]  ? trace_hardirqs_off_caller+0xbb/0x310
[  644.998978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.003815]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.008859]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.013883]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.018728]  apic_timer_interrupt+0xf/0x20
[  645.022951]  </IRQ>
[  645.025201] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  645.030126] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  645.049034] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  645.056750] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  645.064050] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  645.071311] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  645.078587] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  645.085965] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  645.093280]  skb_clone+0x1bb/0x500
[  645.096817]  ? finish_task_switch+0x2f4/0x910
[  645.101309]  ? skb_split+0x11e0/0x11e0
[  645.105196]  ? preempt_notifier_register+0x200/0x200
[  645.110290]  ? __switch_to_asm+0x34/0x70
[  645.114343]  ? __switch_to_asm+0x34/0x70
[  645.118393]  ? __switch_to_asm+0x40/0x70
[  645.122450]  ? __switch_to_asm+0x34/0x70
[  645.126504]  ? __switch_to_asm+0x40/0x70
[  645.130560]  ? __switch_to_asm+0x34/0x70
[  645.134609]  ? __switch_to_asm+0x40/0x70
[  645.138662]  ? __switch_to_asm+0x34/0x70
[  645.142713]  ? __switch_to_asm+0x34/0x70
[  645.146798]  ? __switch_to_asm+0x40/0x70
[  645.150854]  ? __switch_to_asm+0x34/0x70
[  645.154919]  bpf_clone_redirect+0xb9/0x490
[  645.159150]  ? __schedule+0x8d7/0x21d0
[  645.163040]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  645.168076]  ? __sched_text_start+0x8/0x8
[  645.172220]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  645.176800]  ? retint_kernel+0x2d/0x2d
[  645.180685]  ? trace_hardirqs_on_caller+0xc0/0x310
[  645.185618]  ? find_held_lock+0x36/0x1c0
[  645.189686]  ? lock_acquire+0x1ed/0x520
[  645.193674]  ? bpf_test_run+0x3ee/0x7a0
[  645.197661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.203196]  ? check_preemption_disabled+0x48/0x280
[  645.208212]  ? kasan_check_read+0x11/0x20
[  645.212355]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.217630]  ? rcu_softirq_qs+0x20/0x20
[  645.221602]  ? preempt_schedule+0x4d/0x60
[  645.225749]  ? ___preempt_schedule+0x16/0x18
[  645.230191]  ? bpf_test_run+0x271/0x7a0
[  645.234178]  ? netlink_diag_dump+0x2a0/0x2a0
[  645.238603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.244165]  ? bpf_test_init.isra.10+0x70/0x100
[  645.248850]  ? bpf_prog_test_run_skb+0x762/0xd60
[  645.253610]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  645.258457]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  645.263988]  ? fput+0x130/0x1a0
[  645.267266]  ? __bpf_prog_get+0x9b/0x290
[  645.271325]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  645.276182]  ? bpf_prog_test_run+0x130/0x1a0
[  645.280590]  ? __x64_sys_bpf+0x3d8/0x520
[  645.284648]  ? bpf_prog_get+0x20/0x20
[  645.288469]  ? do_syscall_64+0x1b9/0x820
[  645.292541]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  645.297907]  ? syscall_return_slowpath+0x5e0/0x5e0
[  645.302833]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.307687]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.312700]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  645.317729]  ? prepare_exit_to_usermode+0x291/0x3b0
[  645.322745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.327590]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  645.332987] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  645.333045] aoe: skb alloc failure
[  645.339746] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  645.339754] Call Trace:
[  645.343343] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  645.352638]  <IRQ>
[  645.355216] syz-executor4 cpuset=syz4 mems_allowed=0
[  645.365693]  dump_stack+0x244/0x39d
[  645.376526]  ? dump_stack_print_info.cold.1+0x20/0x20
[  645.381728]  warn_alloc.cold.116+0xb7/0x1bd
[  645.386050]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  645.390905]  ? lock_downgrade+0x900/0x900
[  645.395057]  ? trace_hardirqs_off+0xb8/0x310
[  645.399469]  ? trace_hardirqs_off+0xb8/0x310
[  645.403957]  __alloc_pages_slowpath+0x2651/0x2de0
[  645.408856]  ? warn_alloc+0x120/0x120
[  645.412659]  ? print_usage_bug+0xc0/0xc0
[  645.416719]  ? warn_alloc+0x120/0x120
[  645.420526]  ? warn_alloc+0x120/0x120
[  645.424342]  ? print_usage_bug+0xc0/0xc0
[  645.428405]  ? print_usage_bug+0xc0/0xc0
[  645.432504]  ? __lock_acquire+0x62f/0x4c20
[  645.436743]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.442275]  ? should_fail+0x22d/0xd01
[  645.446171]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.451272]  ? __lock_acquire+0x62f/0x4c20
[  645.455509]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  645.460611]  ? __lock_acquire+0x62f/0x4c20
[  645.464857]  ? should_fail+0x22d/0xd01
[  645.468742]  ? find_held_lock+0x36/0x1c0
[  645.472807]  ? mark_held_locks+0x130/0x130
[  645.477041]  ? mark_held_locks+0x130/0x130
[  645.481303]  ? zap_class+0x640/0x640
[  645.485013]  ? zap_class+0x640/0x640
[  645.488738]  ? print_usage_bug+0xc0/0xc0
[  645.492824]  ? do_raw_spin_unlock+0xa7/0x330
[  645.497245]  ? zap_class+0x640/0x640
[  645.500960]  ? print_usage_bug+0xc0/0xc0
[  645.505039]  ? wq_watchdog_touch+0x9c/0xfe
[  645.509275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.514913]  ? check_preemption_disabled+0x48/0x280
[  645.519943]  ? __lock_is_held+0xb5/0x140
[  645.524022]  __alloc_pages_nodemask+0xad8/0xea0
[  645.528691]  ? zap_class+0x640/0x640
[  645.532406]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  645.537470]  ? find_held_lock+0x36/0x1c0
[  645.541539]  ? ____cache_alloc_node+0x1c7/0x1e0
[  645.546218]  ? lock_downgrade+0x900/0x900
[  645.550366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.555919]  cache_grow_begin+0xa5/0x8c0
[  645.559976]  ? do_raw_spin_unlock+0xa7/0x330
[  645.564385]  fallback_alloc+0x204/0x2e0
[  645.568357]  ____cache_alloc_node+0x1c7/0x1e0
[  645.572849]  kmem_cache_alloc_node+0xe3/0x730
[  645.577369]  ? ipv6_get_ifaddr+0x42e/0x620
[  645.581625]  __alloc_skb+0x119/0x770
[  645.585336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  645.590611]  ? netdev_alloc_frag+0x1f0/0x1f0
[  645.595011]  ? lock_downgrade+0x900/0x900
[  645.599158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.604689]  ? refcount_sub_and_test_checked+0x203/0x310
[  645.610134]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  645.615577]  ? addrconf_rs_timer+0x690/0x690
[  645.620000]  ndisc_alloc_skb+0x144/0x340
[  645.624063]  ndisc_send_rs+0x331/0x6e0
[  645.627954]  addrconf_rs_timer+0x314/0x690
[  645.632204]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.636464]  call_timer_fn+0x272/0x920
[  645.640352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.644594]  ? process_timeout+0x40/0x40
[  645.648663]  ? mark_held_locks+0xc7/0x130
[  645.652809]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.657311]  ? _raw_spin_unlock_irq+0x27/0x80
[  645.661801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.666050]  ? lockdep_hardirqs_on+0x296/0x5b0
[  645.670633]  ? trace_hardirqs_on+0xbd/0x310
[  645.674977]  ? kasan_check_read+0x11/0x20
[  645.679119]  ? __run_timers+0x7da/0xc70
[  645.683136]  ? trace_hardirqs_off_caller+0x310/0x310
[  645.688240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.692483]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  645.696714]  __run_timers+0x7e5/0xc70
[  645.700527]  ? timer_fixup_init+0x70/0x70
[  645.704674]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  645.709688]  ? zap_class+0x640/0x640
[  645.713414]  ? print_usage_bug+0xc0/0xc0
[  645.717486]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  645.722682]  ? find_held_lock+0x36/0x1c0
[  645.726744]  ? zap_class+0x640/0x640
[  645.730467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.736007]  ? check_preemption_disabled+0x48/0x280
[  645.741051]  ? __lock_is_held+0xb5/0x140
[  645.745112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.750649]  ? check_preemption_disabled+0x48/0x280
[  645.755688]  run_timer_softirq+0x52/0xb0
[  645.759748]  ? rcu_read_lock_sched_held+0x14f/0x180
[  645.764777]  __do_softirq+0x308/0xb7e
[  645.768584]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  645.773080]  ? lock_downgrade+0x900/0x900
[  645.777442]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  645.782554]  ? pvclock_read_flags+0x160/0x160
[  645.787160]  ? lapic_next_event+0x5a/0x90
[  645.791308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.796858]  ? kvm_clock_read+0x18/0x30
[  645.800885]  ? kvm_sched_clock_read+0x9/0x20
[  645.805295]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  645.810826]  ? check_preemption_disabled+0x48/0x280
[  645.815846]  irq_exit+0x17f/0x1c0
[  645.819300]  smp_apic_timer_interrupt+0x1cb/0x760
[  645.824139]  ? smp_call_function_single_interrupt+0x650/0x650
[  645.830019]  ? interrupt_entry+0xb5/0xc0
[  645.834078]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.839086]  ? trace_hardirqs_off_caller+0xbb/0x310
[  645.844124]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.848985]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.853994]  ? trace_hardirqs_on_caller+0x310/0x310
[  645.859018]  ? task_prio+0x50/0x50
[  645.862553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  645.868085]  ? check_preemption_disabled+0x48/0x280
[  645.873116]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  645.877964]  apic_timer_interrupt+0xf/0x20
[  645.882191]  </IRQ>
[  645.884435] RIP: 0010:dump_stack+0x358/0x39d
[  645.888847] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  645.907746] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  645.915468] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  645.922751] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  645.930044] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  645.937310] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  645.944577] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  645.951858]  ? dump_stack+0x34f/0x39d
[  645.955685]  ? dump_stack_print_info.cold.1+0x20/0x20
[  645.960878]  ? mark_held_locks+0x130/0x130
[  645.965124]  ? mark_held_locks+0x130/0x130
[  645.969358]  dump_header+0x27b/0xf72
[  645.973087]  ? pagefault_out_of_memory+0x197/0x197
[  645.978029]  ? __lock_acquire+0x62f/0x4c20
[  645.982266]  ? percpu_ref_get_many+0x240/0x240
[  645.986852]  ? print_usage_bug+0xc0/0xc0
[  645.990932]  ? zap_class+0x640/0x640
[  645.994644]  ? print_usage_bug+0xc0/0xc0
[  645.998716]  ? print_usage_bug+0xc0/0xc0
[  646.002795]  ? zap_class+0x640/0x640
[  646.006524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.012078]  ? find_held_lock+0x36/0x1c0
[  646.016158]  ? mark_held_locks+0xc7/0x130
[  646.020327]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  646.025466]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  646.030582]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  646.035160]  ? trace_hardirqs_on+0xbd/0x310
[  646.039479]  ? kasan_check_read+0x11/0x20
[  646.043628]  ? ___ratelimit+0x3b4/0x672
[  646.047603]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.052715]  ? trace_hardirqs_on+0x310/0x310
[  646.057139]  ? lock_downgrade+0x900/0x900
[  646.061320]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  646.066418]  ? ___ratelimit+0x3b9/0x672
[  646.070402]  ? idr_get_free+0xf70/0xf70
[  646.074376]  ? find_held_lock+0x36/0x1c0
[  646.078448]  oom_kill_process.cold.27+0x10/0x903
[  646.083205]  ? zap_class+0x640/0x640
[  646.086927]  ? check_preemption_disabled+0x48/0x280
[  646.091970]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.096911]  ? kasan_check_read+0x11/0x20
[  646.101056]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.106333]  ? oom_evaluate_task+0x540/0x540
[  646.110747]  ? find_held_lock+0x36/0x1c0
[  646.114827]  ? out_of_memory+0x974/0x1430
[  646.118981]  ? lock_downgrade+0x900/0x900
[  646.123126]  ? check_preemption_disabled+0x48/0x280
[  646.128166]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.133087]  ? kasan_check_read+0x11/0x20
[  646.137225]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.142494]  ? rcu_softirq_qs+0x20/0x20
[  646.146473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.152002]  ? oom_evaluate_task+0x302/0x540
[  646.156413]  out_of_memory+0xa84/0x1430
[  646.160399]  ? oom_killer_disable+0x3a0/0x3a0
[  646.164915]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  646.169888]  ? __ww_mutex_check_waiters+0x160/0x160
[  646.174936]  __alloc_pages_slowpath+0x232c/0x2de0
[  646.179815]  ? warn_alloc+0x120/0x120
[  646.183632]  ? mark_held_locks+0x130/0x130
[  646.187870]  ? find_get_entry+0xaae/0x1120
[  646.192125]  ? filemap_map_pages+0x1a20/0x1a20
[  646.196710]  ? zap_class+0x640/0x640
[  646.200439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  646.205980]  ? check_preemption_disabled+0x48/0x280
[  646.210994]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.216533]  ? should_fail+0x22d/0xd01
[  646.220423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  646.225535]  ? zap_class+0x640/0x640
[  646.229292]  ? __lock_is_held+0xb5/0x140
[  646.233358]  ? mark_held_locks+0x130/0x130
[  646.237597]  ? lock_release+0xa00/0xa00
[  646.241570]  ? perf_trace_sched_process_exec+0x860/0x860
[  646.247016]  ? xa_load+0x2ba/0x460
[  646.250555]  ? lock_downgrade+0x900/0x900
[  646.254737]  ? __might_sleep+0x95/0x190
[  646.258728]  __alloc_pages_nodemask+0xad8/0xea0
[  646.263400]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  646.268421]  ? __page_cache_alloc+0x191/0x5c0
[  646.272944]  ? xa_load+0x2e1/0x460
[  646.276480]  ? xa_clear_mark+0x40/0x40
[  646.280375]  ? zap_class+0x640/0x640
[  646.284122]  ? zap_class+0x640/0x640
[  646.287876]  ? zap_class+0x640/0x640
[  646.291604]  ? __do_page_cache_readahead+0x663/0x810
[  646.296710]  ? find_held_lock+0x36/0x1c0
[  646.300768]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  646.306315]  alloc_pages_current+0x173/0x350
[  646.310727]  __page_cache_alloc+0x38c/0x5c0
[  646.315042]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.319993]  ? kasan_check_read+0x11/0x20
[  646.324154]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.329441]  ? generic_perform_write+0x6a0/0x6a0
[  646.334196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.339730]  ? check_preemption_disabled+0x48/0x280
[  646.344766]  filemap_fault+0x1595/0x25f0
[  646.348836]  ? __lock_page_or_retry+0xa00/0xa00
[  646.353505]  ? mark_held_locks+0x130/0x130
[  646.357746]  ? filemap_map_pages+0xd6b/0x1a20
[  646.362238]  ? lock_downgrade+0x900/0x900
[  646.366382]  ? check_preemption_disabled+0x48/0x280
[  646.371402]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.376336]  ? kasan_check_read+0x11/0x20
[  646.380479]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.385753]  ? rcu_softirq_qs+0x20/0x20
[  646.389739]  ? filemap_map_pages+0xd92/0x1a20
[  646.394250]  ? find_get_entries_tag+0x1400/0x1400
[  646.399125]  ? __kernel_text_address+0xd/0x40
[  646.403615]  ? unwind_get_return_address+0x61/0xa0
[  646.408554]  ? lock_acquire+0x1ed/0x520
[  646.412560]  ? ext4_filemap_fault+0x7a/0xad
[  646.416883]  ? lock_release+0xa00/0xa00
[  646.420852]  ? perf_trace_sched_process_exec+0x860/0x860
[  646.426303]  ? print_usage_bug+0xc0/0xc0
[  646.430368]  ? print_usage_bug+0xc0/0xc0
[  646.434435]  ? __x64_sys_read+0x73/0xb0
[  646.438438]  ? print_usage_bug+0xc0/0xc0
[  646.442521]  ? down_read+0x8d/0x120
[  646.446150]  ? ext4_filemap_fault+0x7a/0xad
[  646.450467]  ? __down_interruptible+0x700/0x700
[  646.455135]  ext4_filemap_fault+0x82/0xad
[  646.459283]  __do_fault+0x100/0x6b0
[  646.462905]  ? trace_hardirqs_on+0xbd/0x310
[  646.467224]  ? pmd_devmap_trans_unstable+0x220/0x220
[  646.472339]  ? mark_held_locks+0x130/0x130
[  646.476606]  ? mark_held_locks+0x130/0x130
[  646.480870]  ? do_syslog+0x147b/0x1690
[  646.484759]  ? do_syslog+0x309/0x1690
[  646.488561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.494102]  __handle_mm_fault+0x3ea0/0x5be0
[  646.498538]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  646.503387]  ? find_held_lock+0x36/0x1c0
[  646.507478]  ? zap_class+0x640/0x640
[  646.511189]  ? zap_class+0x640/0x640
[  646.514908]  ? find_held_lock+0x36/0x1c0
[  646.518997]  ? handle_mm_fault+0x42a/0xc70
[  646.523245]  ? lock_downgrade+0x900/0x900
[  646.527407]  ? check_preemption_disabled+0x48/0x280
[  646.532446]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  646.537379]  ? kasan_check_read+0x11/0x20
[  646.541531]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  646.546805]  ? rcu_softirq_qs+0x20/0x20
[  646.550785]  ? trace_hardirqs_off_caller+0x310/0x310
[  646.555905]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  646.561453]  ? check_preemption_disabled+0x48/0x280
[  646.566517]  handle_mm_fault+0x54f/0xc70
[  646.570588]  ? __handle_mm_fault+0x5be0/0x5be0
[  646.575174]  ? find_vma+0x34/0x190
[  646.578720]  __do_page_fault+0x5e8/0xe60
[  646.582780]  ? trace_hardirqs_off+0xb8/0x310
[  646.587192]  ? kernel_write+0x120/0x120
[  646.591176]  do_page_fault+0xf2/0x7e0
[  646.594988]  ? vmalloc_sync_all+0x30/0x30
[  646.599147]  ? error_entry+0x70/0xd0
[  646.602862]  ? trace_hardirqs_off_caller+0xbb/0x310
[  646.607889]  ? trace_hardirqs_on_caller+0xc0/0x310
[  646.612848]  ? syscall_return_slowpath+0x5e0/0x5e0
[  646.617811]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.622653]  ? trace_hardirqs_on_caller+0x310/0x310
[  646.627666]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  646.633119]  ? prepare_exit_to_usermode+0x291/0x3b0
[  646.638160]  ? page_fault+0x8/0x30
[  646.641705]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  646.646549]  ? page_fault+0x8/0x30
[  646.650087]  page_fault+0x1e/0x30
[  646.653540] RIP: 0033:0x7fe9f4ff21fd
[  646.657277] Code: Bad RIP value.
[  646.660642] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  646.666003] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  646.673269] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  646.680535] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  646.687875] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  646.695148] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  646.702444] warn_alloc_show_mem: 1 callbacks suppressed
[  646.702456] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  646.702458] Mem-Info:
[  646.702500] active_anon:43385 inactive_anon:190 isolated_anon:0
[  646.702500]  active_file:9 inactive_file:19 isolated_file:0
[  646.702500]  unevictable:0 dirty:0 writeback:0 unstable:0
[  646.702500]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  646.702500]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  646.702500]  free:13722 free_pcp:438 free_cma:0
[  646.707833] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  646.714959] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  646.717363] Call Trace:
[  646.750137] 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
[  646.759489]  <IRQ>
[  646.786992] lowmem_reserve[]: 0 2818 6321 6321
[  646.789573]  dump_stack+0x244/0x39d
[  646.815655] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  646.817798]  ? dump_stack_print_info.cold.1+0x20/0x20
[  646.822343] lowmem_reserve[]: 0 0 3503 3503
[  646.825994]  warn_alloc.cold.116+0xb7/0x1bd
[  646.853321] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  646.858570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  646.862883] lowmem_reserve[]: 0 0 0 0
[  646.867197]  ? lock_downgrade+0x900/0x900
[  646.896144] 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
[  646.900992]  ? trace_hardirqs_off+0xb8/0x310
[  646.904761] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  646.909040]  ? trace_hardirqs_off+0xb8/0x310
[  646.922554] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  646.926975]  __alloc_pages_slowpath+0x2651/0x2de0
[  646.941953] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  646.946382]  ? warn_alloc+0x120/0x120
[  646.961857] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  646.966698]  ? warn_alloc+0x120/0x120
[  646.975504] 272 total pagecache pages
[  646.979304]  ? warn_alloc+0x120/0x120
[  646.987860] 0 pages in swap cache
[  646.991650]  ? print_usage_bug+0xc0/0xc0
[  646.995421] Swap cache stats: add 0, delete 0, find 0/0
[  646.995438] Free swap  = 0kB
[  646.999231]  ? print_usage_bug+0xc0/0xc0
[  647.002657] Total swap = 0kB
[  647.002665] 1965979 pages RAM
[  647.006723]  ? ktime_get+0x2c1/0x400
[  647.012053] 0 pages HighMem/MovableOnly
[  647.012061] 342854 pages reserved
[  647.015080]  ? check_preemption_disabled+0x48/0x280
[  647.019114] 0 pages cma reserved
[  647.022131]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.025274] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  647.028924]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.032990] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.036343]  ? should_fail+0x22d/0xd01
[  647.041336] rsyslogd cpuset=/ mems_allowed=0
[  647.044712]  ? kasan_check_read+0x11/0x20
[  647.083671]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.088800]  ? __lock_acquire+0x62f/0x4c20
[  647.093052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.098161]  ? should_fail+0x22d/0xd01
[  647.102052]  ? print_usage_bug+0xc0/0xc0
[  647.106121]  ? mark_held_locks+0x130/0x130
[  647.110377]  ? mark_held_locks+0x130/0x130
[  647.114610]  ? check_preemption_disabled+0x48/0x280
[  647.119633]  ? zap_class+0x640/0x640
[  647.123351]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  647.128139]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.133711]  ? check_preemption_disabled+0x48/0x280
[  647.138755]  ? __lock_is_held+0xb5/0x140
[  647.142845]  __alloc_pages_nodemask+0xad8/0xea0
[  647.147514]  ? zap_class+0x640/0x640
[  647.151238]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  647.156267]  ? find_held_lock+0x36/0x1c0
[  647.160342]  ? ____cache_alloc_node+0x1c7/0x1e0
[  647.165018]  ? lock_downgrade+0x900/0x900
[  647.169174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.174717]  cache_grow_begin+0xa5/0x8c0
[  647.178786]  ? do_raw_spin_unlock+0xa7/0x330
[  647.183207]  fallback_alloc+0x204/0x2e0
[  647.187186]  ____cache_alloc_node+0x1c7/0x1e0
[  647.191715]  kmem_cache_alloc_node+0xe3/0x730
[  647.196206]  ? lockdep_hardirqs_on+0x296/0x5b0
[  647.200803]  __alloc_skb+0x119/0x770
[  647.204515]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  647.209884]  ? netdev_alloc_frag+0x1f0/0x1f0
[  647.214309]  ? vprintk_default+0x28/0x30
[  647.218372]  ? vprintk_func+0x85/0x181
[  647.222264]  ? printk+0xa7/0xcf
[  647.225578]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  647.230339]  ? do_raw_spin_trylock+0x270/0x270
[  647.234940]  new_skb+0x26/0x1c0
[  647.238252]  aoecmd_cfg+0x279/0x7f0
[  647.241888]  ? find_held_lock+0x36/0x1c0
[  647.245984]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  647.250346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.255913]  ? __lock_is_held+0xb5/0x140
[  647.260019]  discover_timer+0x50/0x60
[  647.263852]  call_timer_fn+0x272/0x920
[  647.267739]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  647.272601]  ? process_timeout+0x40/0x40
[  647.276671]  ? __run_timers+0x7da/0xc70
[  647.280649]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.285143]  ? _raw_spin_unlock_irq+0x27/0x80
[  647.289641]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  647.294509]  ? lockdep_hardirqs_on+0x296/0x5b0
[  647.299095]  ? trace_hardirqs_on+0xbd/0x310
[  647.303435]  ? kasan_check_read+0x11/0x20
[  647.307592]  ? __run_timers+0x7da/0xc70
[  647.311581]  ? trace_hardirqs_off_caller+0x310/0x310
[  647.316689]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  647.321555]  __run_timers+0x7e5/0xc70
[  647.325358]  ? timer_fixup_init+0x70/0x70
[  647.329504]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  647.334525]  ? zap_class+0x640/0x640
[  647.338241]  ? enqueue_hrtimer+0x1a5/0x560
[  647.342495]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  647.347697]  ? find_held_lock+0x36/0x1c0
[  647.351763]  ? zap_class+0x640/0x640
[  647.355485]  ? pvclock_read_flags+0x160/0x160
[  647.360075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.365622]  ? check_preemption_disabled+0x48/0x280
[  647.370674]  ? __lock_is_held+0xb5/0x140
[  647.374740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.380277]  ? check_preemption_disabled+0x48/0x280
[  647.385295]  run_timer_softirq+0x52/0xb0
[  647.389377]  ? rcu_read_lock_sched_held+0x14f/0x180
[  647.394391]  __do_softirq+0x308/0xb7e
[  647.398195]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  647.402690]  ? lock_downgrade+0x900/0x900
[  647.406973]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  647.412099]  ? pvclock_read_flags+0x160/0x160
[  647.416597]  ? lapic_next_event+0x5a/0x90
[  647.420749]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.426300]  ? kvm_clock_read+0x18/0x30
[  647.430276]  ? kvm_sched_clock_read+0x9/0x20
[  647.434689]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.440225]  ? check_preemption_disabled+0x48/0x280
[  647.445246]  irq_exit+0x17f/0x1c0
[  647.448714]  smp_apic_timer_interrupt+0x1cb/0x760
[  647.453574]  ? smp_reschedule_interrupt+0x109/0x650
[  647.458591]  ? smp_call_function_single_interrupt+0x650/0x650
[  647.464475]  ? interrupt_entry+0xb5/0xc0
[  647.468535]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.473551]  ? trace_hardirqs_off_caller+0xbb/0x310
[  647.478569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.483417]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.488446]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.493476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.498326]  apic_timer_interrupt+0xf/0x20
[  647.502551]  </IRQ>
[  647.504793] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  647.509727] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  647.528635] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  647.536338] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  647.543603] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  647.550876] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  647.558150] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  647.565413] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  647.572721]  skb_clone+0x1bb/0x500
[  647.576263]  ? finish_task_switch+0x2f4/0x910
[  647.580760]  ? skb_split+0x11e0/0x11e0
[  647.584651]  ? preempt_notifier_register+0x200/0x200
[  647.589752]  ? __switch_to_asm+0x34/0x70
[  647.593816]  ? __switch_to_asm+0x34/0x70
[  647.597871]  ? __switch_to_asm+0x40/0x70
[  647.601940]  ? __switch_to_asm+0x34/0x70
[  647.605994]  ? __switch_to_asm+0x40/0x70
[  647.610046]  ? __switch_to_asm+0x34/0x70
[  647.614112]  ? __switch_to_asm+0x40/0x70
[  647.618165]  ? __switch_to_asm+0x34/0x70
[  647.622229]  ? __switch_to_asm+0x34/0x70
[  647.626281]  ? __switch_to_asm+0x40/0x70
[  647.630336]  ? __switch_to_asm+0x34/0x70
[  647.634421]  bpf_clone_redirect+0xb9/0x490
[  647.638699]  ? __schedule+0x8d7/0x21d0
[  647.642595]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  647.647627]  ? __sched_text_start+0x8/0x8
[  647.651777]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  647.656374]  ? retint_kernel+0x2d/0x2d
[  647.660263]  ? trace_hardirqs_on_caller+0xc0/0x310
[  647.665199]  ? find_held_lock+0x36/0x1c0
[  647.669272]  ? lock_acquire+0x1ed/0x520
[  647.673247]  ? bpf_test_run+0x3ee/0x7a0
[  647.677225]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.682768]  ? check_preemption_disabled+0x48/0x280
[  647.687803]  ? kasan_check_read+0x11/0x20
[  647.692042]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.697318]  ? rcu_softirq_qs+0x20/0x20
[  647.701295]  ? preempt_schedule+0x4d/0x60
[  647.705453]  ? ___preempt_schedule+0x16/0x18
[  647.709872]  ? bpf_test_run+0x271/0x7a0
[  647.713856]  ? netlink_diag_dump+0x2a0/0x2a0
[  647.718288]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.723854]  ? bpf_test_init.isra.10+0x70/0x100
[  647.728533]  ? bpf_prog_test_run_skb+0x762/0xd60
[  647.733299]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  647.738180]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  647.743717]  ? fput+0x130/0x1a0
[  647.747422]  ? __bpf_prog_get+0x9b/0x290
[  647.751503]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  647.756354]  ? bpf_prog_test_run+0x130/0x1a0
[  647.760768]  ? __x64_sys_bpf+0x3d8/0x520
[  647.764835]  ? bpf_prog_get+0x20/0x20
[  647.768658]  ? do_syscall_64+0x1b9/0x820
[  647.772746]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  647.778634]  ? syscall_return_slowpath+0x5e0/0x5e0
[  647.783564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.788410]  ? trace_hardirqs_on_caller+0x310/0x310
[  647.793442]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  647.798466]  ? prepare_exit_to_usermode+0x291/0x3b0
[  647.803504]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  647.808355]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  647.813739] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  647.813810] aoe: skb alloc failure
[  647.820531] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  647.820540] Call Trace:
[  647.824126] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  647.833526]  <IRQ>
[  647.836100] syz-executor4 cpuset=syz4 mems_allowed=0
[  647.846859]  dump_stack+0x244/0x39d
[  647.857848]  ? dump_stack_print_info.cold.1+0x20/0x20
[  647.863051]  warn_alloc.cold.116+0xb7/0x1bd
[  647.867389]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  647.872413]  ? lock_downgrade+0x900/0x900
[  647.876608]  ? trace_hardirqs_off+0xb8/0x310
[  647.881037]  ? trace_hardirqs_off+0xb8/0x310
[  647.885461]  __alloc_pages_slowpath+0x2651/0x2de0
[  647.890338]  ? warn_alloc+0x120/0x120
[  647.894143]  ? print_usage_bug+0xc0/0xc0
[  647.898216]  ? warn_alloc+0x120/0x120
[  647.902034]  ? warn_alloc+0x120/0x120
[  647.905832]  ? print_usage_bug+0xc0/0xc0
[  647.909909]  ? kvm_clock_read+0x18/0x30
[  647.913918]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  647.918980]  ? print_usage_bug+0xc0/0xc0
[  647.923059]  ? __lock_acquire+0x62f/0x4c20
[  647.927380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  647.932978]  ? should_fail+0x22d/0xd01
[  647.936882]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  647.942163]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.947266]  ? __lock_acquire+0x62f/0x4c20
[  647.951528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  647.956629]  ? __lock_acquire+0x62f/0x4c20
[  647.960874]  ? should_fail+0x22d/0xd01
[  647.964765]  ? rcu_irq_exit+0x1a2/0x390
[  647.968764]  ? mark_held_locks+0x130/0x130
[  647.973002]  ? mark_held_locks+0x130/0x130
[  647.977257]  ? mark_held_locks+0xc7/0x130
[  647.981413]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  647.986442]  ? zap_class+0x640/0x640
[  647.990155]  ? print_usage_bug+0xc0/0xc0
[  647.994235]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  647.999772]  ? check_preemption_disabled+0x48/0x280
[  648.004844]  ? __lock_is_held+0xb5/0x140
[  648.008913]  __alloc_pages_nodemask+0xad8/0xea0
[  648.013601]  ? zap_class+0x640/0x640
[  648.017323]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.022467]  ? find_held_lock+0x36/0x1c0
[  648.026567]  ? ____cache_alloc_node+0x1c7/0x1e0
[  648.031237]  ? lock_downgrade+0x900/0x900
[  648.035394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.040971]  cache_grow_begin+0xa5/0x8c0
[  648.045027]  ? do_raw_spin_unlock+0xa7/0x330
[  648.049443]  fallback_alloc+0x204/0x2e0
[  648.053419]  ____cache_alloc_node+0x1c7/0x1e0
[  648.057941]  kmem_cache_alloc_node+0xe3/0x730
[  648.062438]  ? ipv6_get_ifaddr+0x42e/0x620
[  648.066679]  __alloc_skb+0x119/0x770
[  648.070390]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.075671]  ? netdev_alloc_frag+0x1f0/0x1f0
[  648.080084]  ? lock_downgrade+0x900/0x900
[  648.084251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.089802]  ? refcount_sub_and_test_checked+0x203/0x310
[  648.095254]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  648.100708]  ? addrconf_rs_timer+0x690/0x690
[  648.105157]  ndisc_alloc_skb+0x144/0x340
[  648.109238]  ndisc_send_rs+0x331/0x6e0
[  648.113128]  addrconf_rs_timer+0x314/0x690
[  648.117384]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.121628]  call_timer_fn+0x272/0x920
[  648.125522]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.129768]  ? process_timeout+0x40/0x40
[  648.133844]  ? mark_held_locks+0xc7/0x130
[  648.138009]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.142513]  ? _raw_spin_unlock_irq+0x27/0x80
[  648.147010]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.151244]  ? lockdep_hardirqs_on+0x296/0x5b0
[  648.155823]  ? trace_hardirqs_on+0xbd/0x310
[  648.160141]  ? kasan_check_read+0x11/0x20
[  648.164285]  ? __run_timers+0x7da/0xc70
[  648.168255]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.173365]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.177605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  648.181836]  __run_timers+0x7e5/0xc70
[  648.185643]  ? timer_fixup_init+0x70/0x70
[  648.189792]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  648.194834]  ? zap_class+0x640/0x640
[  648.198553]  ? print_usage_bug+0xc0/0xc0
[  648.202614]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  648.207812]  ? find_held_lock+0x36/0x1c0
[  648.211875]  ? zap_class+0x640/0x640
[  648.215594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.221186]  ? check_preemption_disabled+0x48/0x280
[  648.226250]  ? __lock_is_held+0xb5/0x140
[  648.230313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.235847]  ? check_preemption_disabled+0x48/0x280
[  648.240867]  run_timer_softirq+0x52/0xb0
[  648.244925]  ? rcu_read_lock_sched_held+0x14f/0x180
[  648.249951]  __do_softirq+0x308/0xb7e
[  648.253749]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  648.258243]  ? lock_downgrade+0x900/0x900
[  648.262447]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  648.267575]  ? pvclock_read_flags+0x160/0x160
[  648.272072]  ? lapic_next_event+0x5a/0x90
[  648.276221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.281778]  ? kvm_clock_read+0x18/0x30
[  648.285755]  ? kvm_sched_clock_read+0x9/0x20
[  648.290186]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.295725]  ? check_preemption_disabled+0x48/0x280
[  648.300752]  irq_exit+0x17f/0x1c0
[  648.304205]  smp_apic_timer_interrupt+0x1cb/0x760
[  648.309051]  ? smp_call_function_single_interrupt+0x650/0x650
[  648.314934]  ? interrupt_entry+0xb5/0xc0
[  648.319047]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.324074]  ? trace_hardirqs_off_caller+0xbb/0x310
[  648.329108]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.333964]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.339034]  ? trace_hardirqs_on_caller+0x310/0x310
[  648.344061]  ? task_prio+0x50/0x50
[  648.347603]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.353161]  ? check_preemption_disabled+0x48/0x280
[  648.358198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  648.363057]  apic_timer_interrupt+0xf/0x20
[  648.367286]  </IRQ>
[  648.369526] RIP: 0010:dump_stack+0x358/0x39d
[  648.373936] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  648.392832] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  648.400536] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  648.407798] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  648.415081] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  648.422362] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  648.429628] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  648.436910]  ? dump_stack+0x34f/0x39d
[  648.440722]  ? dump_stack_print_info.cold.1+0x20/0x20
[  648.445913]  ? mark_held_locks+0x130/0x130
[  648.450149]  ? mark_held_locks+0x130/0x130
[  648.454389]  dump_header+0x27b/0xf72
[  648.458129]  ? pagefault_out_of_memory+0x197/0x197
[  648.463082]  ? __lock_acquire+0x62f/0x4c20
[  648.467334]  ? percpu_ref_get_many+0x240/0x240
[  648.471926]  ? print_usage_bug+0xc0/0xc0
[  648.475991]  ? zap_class+0x640/0x640
[  648.479708]  ? print_usage_bug+0xc0/0xc0
[  648.483764]  ? print_usage_bug+0xc0/0xc0
[  648.487836]  ? zap_class+0x640/0x640
[  648.491554]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.497095]  ? find_held_lock+0x36/0x1c0
[  648.501180]  ? mark_held_locks+0xc7/0x130
[  648.505351]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  648.510472]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  648.515577]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  648.520161]  ? trace_hardirqs_on+0xbd/0x310
[  648.524483]  ? kasan_check_read+0x11/0x20
[  648.528629]  ? ___ratelimit+0x3b4/0x672
[  648.532608]  ? trace_hardirqs_off_caller+0x310/0x310
[  648.537745]  ? trace_hardirqs_on+0x310/0x310
[  648.542180]  ? lock_downgrade+0x900/0x900
[  648.546332]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  648.551437]  ? ___ratelimit+0x3b9/0x672
[  648.555411]  ? idr_get_free+0xf70/0xf70
[  648.559388]  ? find_held_lock+0x36/0x1c0
[  648.563465]  oom_kill_process.cold.27+0x10/0x903
[  648.568219]  ? zap_class+0x640/0x640
[  648.571937]  ? check_preemption_disabled+0x48/0x280
[  648.576971]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.581899]  ? kasan_check_read+0x11/0x20
[  648.586046]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.591321]  ? oom_evaluate_task+0x540/0x540
[  648.595727]  ? find_held_lock+0x36/0x1c0
[  648.599795]  ? out_of_memory+0x974/0x1430
[  648.603949]  ? lock_downgrade+0x900/0x900
[  648.608097]  ? check_preemption_disabled+0x48/0x280
[  648.613114]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.618085]  ? kasan_check_read+0x11/0x20
[  648.622274]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.627605]  ? rcu_softirq_qs+0x20/0x20
[  648.631599]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.637134]  ? oom_evaluate_task+0x302/0x540
[  648.641550]  out_of_memory+0xa84/0x1430
[  648.645533]  ? oom_killer_disable+0x3a0/0x3a0
[  648.650034]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  648.654970]  ? __ww_mutex_check_waiters+0x160/0x160
[  648.659997]  __alloc_pages_slowpath+0x232c/0x2de0
[  648.664976]  ? warn_alloc+0x120/0x120
[  648.668775]  ? mark_held_locks+0x130/0x130
[  648.673027]  ? find_get_entry+0xaae/0x1120
[  648.677275]  ? filemap_map_pages+0x1a20/0x1a20
[  648.681871]  ? zap_class+0x640/0x640
[  648.685589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  648.691128]  ? check_preemption_disabled+0x48/0x280
[  648.696160]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.701700]  ? should_fail+0x22d/0xd01
[  648.705593]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  648.710699]  ? zap_class+0x640/0x640
[  648.714453]  ? __lock_is_held+0xb5/0x140
[  648.718525]  ? mark_held_locks+0x130/0x130
[  648.722765]  ? lock_release+0xa00/0xa00
[  648.726744]  ? perf_trace_sched_process_exec+0x860/0x860
[  648.732197]  ? xa_load+0x2ba/0x460
[  648.735742]  ? lock_downgrade+0x900/0x900
[  648.739898]  ? __might_sleep+0x95/0x190
[  648.743881]  __alloc_pages_nodemask+0xad8/0xea0
[  648.748585]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  648.753607]  ? __page_cache_alloc+0x191/0x5c0
[  648.758119]  ? xa_load+0x2e1/0x460
[  648.761662]  ? xa_clear_mark+0x40/0x40
[  648.765552]  ? zap_class+0x640/0x640
[  648.769297]  ? zap_class+0x640/0x640
[  648.773035]  ? zap_class+0x640/0x640
[  648.776760]  ? __do_page_cache_readahead+0x663/0x810
[  648.781881]  ? find_held_lock+0x36/0x1c0
[  648.785946]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  648.791521]  alloc_pages_current+0x173/0x350
[  648.795967]  __page_cache_alloc+0x38c/0x5c0
[  648.800290]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.805236]  ? kasan_check_read+0x11/0x20
[  648.809386]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.814672]  ? generic_perform_write+0x6a0/0x6a0
[  648.819465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.825006]  ? check_preemption_disabled+0x48/0x280
[  648.830067]  filemap_fault+0x1595/0x25f0
[  648.834149]  ? __lock_page_or_retry+0xa00/0xa00
[  648.838824]  ? mark_held_locks+0x130/0x130
[  648.843073]  ? filemap_map_pages+0xd6b/0x1a20
[  648.847577]  ? lock_downgrade+0x900/0x900
[  648.851725]  ? check_preemption_disabled+0x48/0x280
[  648.856745]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  648.861676]  ? kasan_check_read+0x11/0x20
[  648.865826]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  648.871102]  ? rcu_softirq_qs+0x20/0x20
[  648.875094]  ? filemap_map_pages+0xd92/0x1a20
[  648.879605]  ? find_get_entries_tag+0x1400/0x1400
[  648.884454]  ? __kernel_text_address+0xd/0x40
[  648.888953]  ? unwind_get_return_address+0x61/0xa0
[  648.893904]  ? lock_acquire+0x1ed/0x520
[  648.897877]  ? ext4_filemap_fault+0x7a/0xad
[  648.902216]  ? lock_release+0xa00/0xa00
[  648.906649]  ? perf_trace_sched_process_exec+0x860/0x860
[  648.912128]  ? print_usage_bug+0xc0/0xc0
[  648.916199]  ? print_usage_bug+0xc0/0xc0
[  648.920261]  ? __x64_sys_read+0x73/0xb0
[  648.924240]  ? print_usage_bug+0xc0/0xc0
[  648.928317]  ? down_read+0x8d/0x120
[  648.931943]  ? ext4_filemap_fault+0x7a/0xad
[  648.936272]  ? __down_interruptible+0x700/0x700
[  648.940960]  ext4_filemap_fault+0x82/0xad
[  648.945124]  __do_fault+0x100/0x6b0
[  648.948771]  ? trace_hardirqs_on+0xbd/0x310
[  648.953100]  ? pmd_devmap_trans_unstable+0x220/0x220
[  648.958227]  ? mark_held_locks+0x130/0x130
[  648.962496]  ? mark_held_locks+0x130/0x130
[  648.966759]  ? do_syslog+0x147b/0x1690
[  648.970693]  ? do_syslog+0x309/0x1690
[  648.974499]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  648.980041]  __handle_mm_fault+0x3ea0/0x5be0
[  648.984470]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  648.989323]  ? find_held_lock+0x36/0x1c0
[  648.993403]  ? zap_class+0x640/0x640
[  648.997122]  ? zap_class+0x640/0x640
[  649.000848]  ? find_held_lock+0x36/0x1c0
[  649.004923]  ? handle_mm_fault+0x42a/0xc70
[  649.009163]  ? lock_downgrade+0x900/0x900
[  649.013318]  ? check_preemption_disabled+0x48/0x280
[  649.018356]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  649.023302]  ? kasan_check_read+0x11/0x20
[  649.027456]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  649.032750]  ? rcu_softirq_qs+0x20/0x20
[  649.036726]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.041832]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.047423]  ? check_preemption_disabled+0x48/0x280
[  649.052464]  handle_mm_fault+0x54f/0xc70
[  649.056535]  ? __handle_mm_fault+0x5be0/0x5be0
[  649.061125]  ? find_vma+0x34/0x190
[  649.064675]  __do_page_fault+0x5e8/0xe60
[  649.068738]  ? trace_hardirqs_off+0xb8/0x310
[  649.073147]  ? kernel_write+0x120/0x120
[  649.077137]  do_page_fault+0xf2/0x7e0
[  649.080938]  ? vmalloc_sync_all+0x30/0x30
[  649.085088]  ? error_entry+0x70/0xd0
[  649.088803]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.093836]  ? trace_hardirqs_on_caller+0xc0/0x310
[  649.098765]  ? syscall_return_slowpath+0x5e0/0x5e0
[  649.103715]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.108572]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.113589]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  649.119044]  ? prepare_exit_to_usermode+0x291/0x3b0
[  649.124062]  ? page_fault+0x8/0x30
[  649.127612]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.132462]  ? page_fault+0x8/0x30
[  649.136000]  page_fault+0x1e/0x30
[  649.139459] RIP: 0033:0x7fe9f4ff21fd
[  649.143180] Code: Bad RIP value.
[  649.146543] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  649.151904] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  649.159187] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  649.166459] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  649.173741] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  649.181005] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  649.188313] warn_alloc_show_mem: 1 callbacks suppressed
[  649.188325] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  649.188327] Mem-Info:
[  649.188370] active_anon:43385 inactive_anon:190 isolated_anon:0
[  649.188370]  active_file:9 inactive_file:19 isolated_file:0
[  649.188370]  unevictable:0 dirty:0 writeback:0 unstable:0
[  649.188370]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  649.188370]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  649.188370]  free:13722 free_pcp:438 free_cma:0
[  649.193750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  649.200849] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  649.203239] Call Trace:
[  649.236153] 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
[  649.245496]  <IRQ>
[  649.272974] lowmem_reserve[]: 0 2818 6321 6321
[  649.275558]  dump_stack+0x244/0x39d
[  649.301644] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  649.303823]  ? dump_stack_print_info.cold.1+0x20/0x20
[  649.308376] lowmem_reserve[]: 0 0 3503 3503
[  649.312007]  warn_alloc.cold.116+0xb7/0x1bd
[  649.339302] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  649.344483]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  649.348803] lowmem_reserve[]: 0 0 0 0
[  649.353120]  ? lock_downgrade+0x900/0x900
[  649.382079] 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
[  649.386919]  ? trace_hardirqs_off+0xb8/0x310
[  649.390690] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  649.394833]  ? trace_hardirqs_off+0xb8/0x310
[  649.408320] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  649.412728]  __alloc_pages_slowpath+0x2651/0x2de0
[  649.427703] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  649.432150]  ? warn_alloc+0x120/0x120
[  649.447627] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  649.452463]  ? warn_alloc+0x120/0x120
[  649.461271] 272 total pagecache pages
[  649.465081]  ? warn_alloc+0x120/0x120
[  649.473645] 0 pages in swap cache
[  649.477445]  ? print_usage_bug+0xc0/0xc0
[  649.481224] Swap cache stats: add 0, delete 0, find 0/0
[  649.485012]  ? print_usage_bug+0xc0/0xc0
[  649.488462] Free swap  = 0kB
[  649.492540]  ? ktime_get+0x2c1/0x400
[  649.497874] Total swap = 0kB
[  649.497882] 1965979 pages RAM
[  649.501937]  ? check_preemption_disabled+0x48/0x280
[  649.504922] 0 pages HighMem/MovableOnly
[  649.504931] 342854 pages reserved
[  649.508649]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.511668] 0 pages cma reserved
[  649.514766]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  649.519816] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  649.523721]  ? should_fail+0x22d/0xd01
[  649.523737]  ? kasan_check_read+0x11/0x20
[  649.523770]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.527269] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  649.531705]  ? __lock_acquire+0x62f/0x4c20
[  649.535061] rsyslogd cpuset=/ mems_allowed=0
[  649.540611]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  649.583925]  ? should_fail+0x22d/0xd01
[  649.587818]  ? print_usage_bug+0xc0/0xc0
[  649.591888]  ? mark_held_locks+0x130/0x130
[  649.596139]  ? mark_held_locks+0x130/0x130
[  649.600372]  ? check_preemption_disabled+0x48/0x280
[  649.605399]  ? zap_class+0x640/0x640
[  649.609134]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  649.613896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.619443]  ? check_preemption_disabled+0x48/0x280
[  649.624489]  ? __lock_is_held+0xb5/0x140
[  649.628560]  __alloc_pages_nodemask+0xad8/0xea0
[  649.633232]  ? zap_class+0x640/0x640
[  649.636951]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  649.641984]  ? find_held_lock+0x36/0x1c0
[  649.646054]  ? ____cache_alloc_node+0x1c7/0x1e0
[  649.650726]  ? lock_downgrade+0x900/0x900
[  649.654886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.660437]  cache_grow_begin+0xa5/0x8c0
[  649.664499]  ? do_raw_spin_unlock+0xa7/0x330
[  649.668931]  fallback_alloc+0x204/0x2e0
[  649.672934]  ____cache_alloc_node+0x1c7/0x1e0
[  649.677453]  kmem_cache_alloc_node+0xe3/0x730
[  649.681960]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.686552]  __alloc_skb+0x119/0x770
[  649.690266]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  649.695632]  ? netdev_alloc_frag+0x1f0/0x1f0
[  649.700045]  ? vprintk_default+0x28/0x30
[  649.704121]  ? vprintk_func+0x85/0x181
[  649.708008]  ? printk+0xa7/0xcf
[  649.711287]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  649.716057]  ? do_raw_spin_trylock+0x270/0x270
[  649.720647]  new_skb+0x26/0x1c0
[  649.723924]  aoecmd_cfg+0x279/0x7f0
[  649.727550]  ? find_held_lock+0x36/0x1c0
[  649.731615]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  649.735941]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.741492]  ? __lock_is_held+0xb5/0x140
[  649.745563]  discover_timer+0x50/0x60
[  649.749376]  call_timer_fn+0x272/0x920
[  649.753265]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.758113]  ? process_timeout+0x40/0x40
[  649.762185]  ? __run_timers+0x7da/0xc70
[  649.766158]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.770650]  ? _raw_spin_unlock_irq+0x27/0x80
[  649.775674]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.780520]  ? lockdep_hardirqs_on+0x296/0x5b0
[  649.785114]  ? trace_hardirqs_on+0xbd/0x310
[  649.789436]  ? kasan_check_read+0x11/0x20
[  649.793617]  ? __run_timers+0x7da/0xc70
[  649.797610]  ? trace_hardirqs_off_caller+0x310/0x310
[  649.802724]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  649.807563]  __run_timers+0x7e5/0xc70
[  649.811372]  ? timer_fixup_init+0x70/0x70
[  649.815519]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  649.820536]  ? zap_class+0x640/0x640
[  649.824255]  ? enqueue_hrtimer+0x1a5/0x560
[  649.828509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  649.833707]  ? find_held_lock+0x36/0x1c0
[  649.837776]  ? zap_class+0x640/0x640
[  649.841515]  ? pvclock_read_flags+0x160/0x160
[  649.846017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.851555]  ? check_preemption_disabled+0x48/0x280
[  649.856583]  ? __lock_is_held+0xb5/0x140
[  649.860673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.866212]  ? check_preemption_disabled+0x48/0x280
[  649.871231]  run_timer_softirq+0x52/0xb0
[  649.875294]  ? rcu_read_lock_sched_held+0x14f/0x180
[  649.880313]  __do_softirq+0x308/0xb7e
[  649.884157]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  649.888651]  ? lock_downgrade+0x900/0x900
[  649.892808]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  649.897937]  ? pvclock_read_flags+0x160/0x160
[  649.902444]  ? lapic_next_event+0x5a/0x90
[  649.906598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.912156]  ? kvm_clock_read+0x18/0x30
[  649.916133]  ? kvm_sched_clock_read+0x9/0x20
[  649.920557]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  649.926095]  ? check_preemption_disabled+0x48/0x280
[  649.931141]  irq_exit+0x17f/0x1c0
[  649.934598]  smp_apic_timer_interrupt+0x1cb/0x760
[  649.939480]  ? smp_reschedule_interrupt+0x109/0x650
[  649.944669]  ? smp_call_function_single_interrupt+0x650/0x650
[  649.950552]  ? interrupt_entry+0xb5/0xc0
[  649.954614]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.959641]  ? trace_hardirqs_off_caller+0xbb/0x310
[  649.964656]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.969497]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.974532]  ? trace_hardirqs_on_caller+0x310/0x310
[  649.979558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  649.984406]  apic_timer_interrupt+0xf/0x20
[  649.988636]  </IRQ>
[  649.990873] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  649.995838] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  650.014735] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  650.022447] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  650.029711] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  650.036985] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  650.044249] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  650.051512] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  650.058825]  skb_clone+0x1bb/0x500
[  650.062367]  ? finish_task_switch+0x2f4/0x910
[  650.066862]  ? skb_split+0x11e0/0x11e0
[  650.070749]  ? preempt_notifier_register+0x200/0x200
[  650.075897]  ? __switch_to_asm+0x34/0x70
[  650.079964]  ? __switch_to_asm+0x34/0x70
[  650.084019]  ? __switch_to_asm+0x40/0x70
[  650.088095]  ? __switch_to_asm+0x34/0x70
[  650.092153]  ? __switch_to_asm+0x40/0x70
[  650.096224]  ? __switch_to_asm+0x34/0x70
[  650.100280]  ? __switch_to_asm+0x40/0x70
[  650.104340]  ? __switch_to_asm+0x34/0x70
[  650.108400]  ? __switch_to_asm+0x34/0x70
[  650.112465]  ? __switch_to_asm+0x40/0x70
[  650.116531]  ? __switch_to_asm+0x34/0x70
[  650.120597]  bpf_clone_redirect+0xb9/0x490
[  650.124832]  ? __schedule+0x8d7/0x21d0
[  650.128739]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  650.133773]  ? __sched_text_start+0x8/0x8
[  650.137946]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  650.142526]  ? retint_kernel+0x2d/0x2d
[  650.146414]  ? trace_hardirqs_on_caller+0xc0/0x310
[  650.151356]  ? find_held_lock+0x36/0x1c0
[  650.155425]  ? lock_acquire+0x1ed/0x520
[  650.159408]  ? bpf_test_run+0x3ee/0x7a0
[  650.163424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.168983]  ? check_preemption_disabled+0x48/0x280
[  650.174013]  ? kasan_check_read+0x11/0x20
[  650.178160]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.183444]  ? rcu_softirq_qs+0x20/0x20
[  650.187439]  ? preempt_schedule+0x4d/0x60
[  650.191622]  ? ___preempt_schedule+0x16/0x18
[  650.196034]  ? bpf_test_run+0x271/0x7a0
[  650.200014]  ? netlink_diag_dump+0x2a0/0x2a0
[  650.204420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.209966]  ? bpf_test_init.isra.10+0x70/0x100
[  650.214645]  ? bpf_prog_test_run_skb+0x762/0xd60
[  650.219412]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.224264]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  650.229805]  ? fput+0x130/0x1a0
[  650.233098]  ? __bpf_prog_get+0x9b/0x290
[  650.237183]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  650.242027]  ? bpf_prog_test_run+0x130/0x1a0
[  650.246439]  ? __x64_sys_bpf+0x3d8/0x520
[  650.250506]  ? bpf_prog_get+0x20/0x20
[  650.254320]  ? do_syscall_64+0x1b9/0x820
[  650.258383]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  650.263764]  ? syscall_return_slowpath+0x5e0/0x5e0
[  650.268693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.273535]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.278549]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  650.283566]  ? prepare_exit_to_usermode+0x291/0x3b0
[  650.288583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.293437]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  650.298864] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  650.298944] aoe: skb alloc failure
[  650.305635] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  650.305640] Call Trace:
[  650.305645]  <IRQ>
[  650.305677]  dump_stack+0x244/0x39d
[  650.305696]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.309260] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  650.318594]  warn_alloc.cold.116+0xb7/0x1bd
[  650.321159] syz-executor4 cpuset=syz4 mems_allowed=0
[  650.323317]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  650.356803]  ? lock_downgrade+0x900/0x900
[  650.360957]  ? trace_hardirqs_off+0xb8/0x310
[  650.365401]  ? trace_hardirqs_off+0xb8/0x310
[  650.369826]  __alloc_pages_slowpath+0x2651/0x2de0
[  650.374697]  ? warn_alloc+0x120/0x120
[  650.378499]  ? print_usage_bug+0xc0/0xc0
[  650.382559]  ? warn_alloc+0x120/0x120
[  650.386366]  ? warn_alloc+0x120/0x120
[  650.390183]  ? print_usage_bug+0xc0/0xc0
[  650.394252]  ? print_usage_bug+0xc0/0xc0
[  650.398317]  ? __lock_acquire+0x62f/0x4c20
[  650.402560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.408107]  ? should_fail+0x22d/0xd01
[  650.411999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.417116]  ? __lock_acquire+0x62f/0x4c20
[  650.421355]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  650.426478]  ? __lock_acquire+0x62f/0x4c20
[  650.430711]  ? should_fail+0x22d/0xd01
[  650.434602]  ? find_held_lock+0x36/0x1c0
[  650.438673]  ? mark_held_locks+0x130/0x130
[  650.442929]  ? mark_held_locks+0x130/0x130
[  650.447180]  ? zap_class+0x640/0x640
[  650.450895]  ? zap_class+0x640/0x640
[  650.454611]  ? print_usage_bug+0xc0/0xc0
[  650.458665]  ? do_raw_spin_unlock+0xa7/0x330
[  650.463071]  ? zap_class+0x640/0x640
[  650.466812]  ? print_usage_bug+0xc0/0xc0
[  650.470873]  ? wq_watchdog_touch+0x9c/0xfe
[  650.475113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.480670]  ? check_preemption_disabled+0x48/0x280
[  650.485690]  ? __lock_is_held+0xb5/0x140
[  650.489759]  __alloc_pages_nodemask+0xad8/0xea0
[  650.494450]  ? zap_class+0x640/0x640
[  650.498168]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  650.503191]  ? find_held_lock+0x36/0x1c0
[  650.507259]  ? ____cache_alloc_node+0x1c7/0x1e0
[  650.511930]  ? lock_downgrade+0x900/0x900
[  650.516084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.521642]  cache_grow_begin+0xa5/0x8c0
[  650.525701]  ? do_raw_spin_unlock+0xa7/0x330
[  650.530119]  fallback_alloc+0x204/0x2e0
[  650.534098]  ____cache_alloc_node+0x1c7/0x1e0
[  650.538595]  kmem_cache_alloc_node+0xe3/0x730
[  650.543106]  ? ipv6_get_ifaddr+0x42e/0x620
[  650.547349]  __alloc_skb+0x119/0x770
[  650.551059]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  650.556336]  ? netdev_alloc_frag+0x1f0/0x1f0
[  650.560756]  ? lock_downgrade+0x900/0x900
[  650.564926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.570479]  ? refcount_sub_and_test_checked+0x203/0x310
[  650.575931]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  650.581395]  ? addrconf_rs_timer+0x690/0x690
[  650.585820]  ndisc_alloc_skb+0x144/0x340
[  650.589891]  ndisc_send_rs+0x331/0x6e0
[  650.593790]  addrconf_rs_timer+0x314/0x690
[  650.598032]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.602296]  call_timer_fn+0x272/0x920
[  650.606188]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.610426]  ? process_timeout+0x40/0x40
[  650.614510]  ? mark_held_locks+0xc7/0x130
[  650.618665]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.623173]  ? _raw_spin_unlock_irq+0x27/0x80
[  650.627666]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.631903]  ? lockdep_hardirqs_on+0x296/0x5b0
[  650.636493]  ? trace_hardirqs_on+0xbd/0x310
[  650.640816]  ? kasan_check_read+0x11/0x20
[  650.644964]  ? __run_timers+0x7da/0xc70
[  650.648938]  ? trace_hardirqs_off_caller+0x310/0x310
[  650.654046]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.658296]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  650.662530]  __run_timers+0x7e5/0xc70
[  650.666357]  ? timer_fixup_init+0x70/0x70
[  650.670539]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  650.675559]  ? zap_class+0x640/0x640
[  650.679284]  ? print_usage_bug+0xc0/0xc0
[  650.683351]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  650.688548]  ? find_held_lock+0x36/0x1c0
[  650.692614]  ? zap_class+0x640/0x640
[  650.696353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.701893]  ? check_preemption_disabled+0x48/0x280
[  650.706941]  ? __lock_is_held+0xb5/0x140
[  650.711008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.716550]  ? check_preemption_disabled+0x48/0x280
[  650.721571]  run_timer_softirq+0x52/0xb0
[  650.725644]  ? rcu_read_lock_sched_held+0x14f/0x180
[  650.730661]  __do_softirq+0x308/0xb7e
[  650.734482]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  650.739004]  ? lock_downgrade+0x900/0x900
[  650.743162]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  650.748322]  ? pvclock_read_flags+0x160/0x160
[  650.752836]  ? lapic_next_event+0x5a/0x90
[  650.756988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.762536]  ? kvm_clock_read+0x18/0x30
[  650.766513]  ? kvm_sched_clock_read+0x9/0x20
[  650.770925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  650.776479]  ? check_preemption_disabled+0x48/0x280
[  650.781513]  irq_exit+0x17f/0x1c0
[  650.784969]  smp_apic_timer_interrupt+0x1cb/0x760
[  650.789813]  ? smp_call_function_single_interrupt+0x650/0x650
[  650.795712]  ? interrupt_entry+0xb5/0xc0
[  650.799776]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.804795]  ? trace_hardirqs_off_caller+0xbb/0x310
[  650.809816]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.814677]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.819721]  ? trace_hardirqs_on_caller+0x310/0x310
[  650.824752]  ? task_prio+0x50/0x50
[  650.828300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.833838]  ? check_preemption_disabled+0x48/0x280
[  650.838864]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  650.843728]  apic_timer_interrupt+0xf/0x20
[  650.847958]  </IRQ>
[  650.850215] RIP: 0010:dump_stack+0x358/0x39d
[  650.854624] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  650.873527] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  650.881237] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  650.888502] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  650.895768] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  650.903033] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  650.910823] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  650.918130]  ? dump_stack+0x34f/0x39d
[  650.921946]  ? dump_stack_print_info.cold.1+0x20/0x20
[  650.927155]  ? mark_held_locks+0x130/0x130
[  650.931407]  ? mark_held_locks+0x130/0x130
[  650.935654]  dump_header+0x27b/0xf72
[  650.939380]  ? pagefault_out_of_memory+0x197/0x197
[  650.944338]  ? __lock_acquire+0x62f/0x4c20
[  650.948611]  ? percpu_ref_get_many+0x240/0x240
[  650.953199]  ? print_usage_bug+0xc0/0xc0
[  650.957270]  ? zap_class+0x640/0x640
[  650.960997]  ? print_usage_bug+0xc0/0xc0
[  650.965060]  ? print_usage_bug+0xc0/0xc0
[  650.969125]  ? zap_class+0x640/0x640
[  650.972842]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  650.978385]  ? find_held_lock+0x36/0x1c0
[  650.982488]  ? mark_held_locks+0xc7/0x130
[  650.986646]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.991747]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  650.996868]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  651.001478]  ? trace_hardirqs_on+0xbd/0x310
[  651.005803]  ? kasan_check_read+0x11/0x20
[  651.009953]  ? ___ratelimit+0x3b4/0x672
[  651.013929]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.019035]  ? trace_hardirqs_on+0x310/0x310
[  651.023482]  ? lock_downgrade+0x900/0x900
[  651.027635]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  651.032754]  ? ___ratelimit+0x3b9/0x672
[  651.036752]  ? idr_get_free+0xf70/0xf70
[  651.040727]  ? find_held_lock+0x36/0x1c0
[  651.044829]  oom_kill_process.cold.27+0x10/0x903
[  651.049584]  ? zap_class+0x640/0x640
[  651.053303]  ? check_preemption_disabled+0x48/0x280
[  651.058327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.063251]  ? kasan_check_read+0x11/0x20
[  651.067394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.072671]  ? oom_evaluate_task+0x540/0x540
[  651.077097]  ? find_held_lock+0x36/0x1c0
[  651.081163]  ? out_of_memory+0x974/0x1430
[  651.085333]  ? lock_downgrade+0x900/0x900
[  651.089483]  ? check_preemption_disabled+0x48/0x280
[  651.094502]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.099437]  ? kasan_check_read+0x11/0x20
[  651.103585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.108862]  ? rcu_softirq_qs+0x20/0x20
[  651.112863]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.118398]  ? oom_evaluate_task+0x302/0x540
[  651.122961]  out_of_memory+0xa84/0x1430
[  651.126948]  ? oom_killer_disable+0x3a0/0x3a0
[  651.131454]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  651.136394]  ? __ww_mutex_check_waiters+0x160/0x160
[  651.141442]  __alloc_pages_slowpath+0x232c/0x2de0
[  651.146322]  ? warn_alloc+0x120/0x120
[  651.150345]  ? mark_held_locks+0x130/0x130
[  651.154585]  ? find_get_entry+0xaae/0x1120
[  651.158897]  ? filemap_map_pages+0x1a20/0x1a20
[  651.164060]  ? zap_class+0x640/0x640
[  651.167903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  651.173543]  ? check_preemption_disabled+0x48/0x280
[  651.178561]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.184130]  ? should_fail+0x22d/0xd01
[  651.188023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  651.193132]  ? zap_class+0x640/0x640
[  651.196874]  ? __lock_is_held+0xb5/0x140
[  651.200944]  ? mark_held_locks+0x130/0x130
[  651.205177]  ? lock_release+0xa00/0xa00
[  651.209149]  ? perf_trace_sched_process_exec+0x860/0x860
[  651.214610]  ? xa_load+0x2ba/0x460
[  651.218151]  ? lock_downgrade+0x900/0x900
[  651.222302]  ? __might_sleep+0x95/0x190
[  651.226297]  __alloc_pages_nodemask+0xad8/0xea0
[  651.230972]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  651.235989]  ? __page_cache_alloc+0x191/0x5c0
[  651.240496]  ? xa_load+0x2e1/0x460
[  651.244064]  ? xa_clear_mark+0x40/0x40
[  651.247958]  ? zap_class+0x640/0x640
[  651.251674]  ? zap_class+0x640/0x640
[  651.255383]  ? zap_class+0x640/0x640
[  651.259098]  ? __do_page_cache_readahead+0x663/0x810
[  651.264215]  ? find_held_lock+0x36/0x1c0
[  651.268292]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  651.273834]  alloc_pages_current+0x173/0x350
[  651.278250]  __page_cache_alloc+0x38c/0x5c0
[  651.282589]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.287547]  ? kasan_check_read+0x11/0x20
[  651.291695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.296971]  ? generic_perform_write+0x6a0/0x6a0
[  651.301741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.307276]  ? check_preemption_disabled+0x48/0x280
[  651.312306]  filemap_fault+0x1595/0x25f0
[  651.316369]  ? __lock_page_or_retry+0xa00/0xa00
[  651.321048]  ? mark_held_locks+0x130/0x130
[  651.325291]  ? filemap_map_pages+0xd6b/0x1a20
[  651.329796]  ? lock_downgrade+0x900/0x900
[  651.333976]  ? check_preemption_disabled+0x48/0x280
[  651.338991]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.343927]  ? kasan_check_read+0x11/0x20
[  651.348079]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.353350]  ? rcu_softirq_qs+0x20/0x20
[  651.357332]  ? filemap_map_pages+0xd92/0x1a20
[  651.361851]  ? find_get_entries_tag+0x1400/0x1400
[  651.366692]  ? __kernel_text_address+0xd/0x40
[  651.371194]  ? unwind_get_return_address+0x61/0xa0
[  651.376144]  ? lock_acquire+0x1ed/0x520
[  651.380115]  ? ext4_filemap_fault+0x7a/0xad
[  651.384447]  ? lock_release+0xa00/0xa00
[  651.388413]  ? perf_trace_sched_process_exec+0x860/0x860
[  651.393875]  ? print_usage_bug+0xc0/0xc0
[  651.397932]  ? print_usage_bug+0xc0/0xc0
[  651.401985]  ? __x64_sys_read+0x73/0xb0
[  651.405953]  ? print_usage_bug+0xc0/0xc0
[  651.410024]  ? down_read+0x8d/0x120
[  651.413642]  ? ext4_filemap_fault+0x7a/0xad
[  651.417953]  ? __down_interruptible+0x700/0x700
[  651.422663]  ext4_filemap_fault+0x82/0xad
[  651.426831]  __do_fault+0x100/0x6b0
[  651.430468]  ? trace_hardirqs_on+0xbd/0x310
[  651.434826]  ? pmd_devmap_trans_unstable+0x220/0x220
[  651.439927]  ? mark_held_locks+0x130/0x130
[  651.444162]  ? mark_held_locks+0x130/0x130
[  651.448435]  ? do_syslog+0x147b/0x1690
[  651.452322]  ? do_syslog+0x309/0x1690
[  651.456115]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.461647]  __handle_mm_fault+0x3ea0/0x5be0
[  651.466054]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  651.470892]  ? find_held_lock+0x36/0x1c0
[  651.474970]  ? zap_class+0x640/0x640
[  651.478693]  ? zap_class+0x640/0x640
[  651.482425]  ? find_held_lock+0x36/0x1c0
[  651.486504]  ? handle_mm_fault+0x42a/0xc70
[  651.490739]  ? lock_downgrade+0x900/0x900
[  651.494890]  ? check_preemption_disabled+0x48/0x280
[  651.499908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  651.504835]  ? kasan_check_read+0x11/0x20
[  651.508997]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  651.514297]  ? rcu_softirq_qs+0x20/0x20
[  651.518269]  ? trace_hardirqs_off_caller+0x310/0x310
[  651.523374]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.528919]  ? check_preemption_disabled+0x48/0x280
[  651.533969]  handle_mm_fault+0x54f/0xc70
[  651.538029]  ? __handle_mm_fault+0x5be0/0x5be0
[  651.542612]  ? find_vma+0x34/0x190
[  651.546172]  __do_page_fault+0x5e8/0xe60
[  651.550246]  ? trace_hardirqs_off+0xb8/0x310
[  651.554654]  ? kernel_write+0x120/0x120
[  651.558635]  do_page_fault+0xf2/0x7e0
[  651.562445]  ? vmalloc_sync_all+0x30/0x30
[  651.566596]  ? error_entry+0x70/0xd0
[  651.570313]  ? trace_hardirqs_off_caller+0xbb/0x310
[  651.575333]  ? trace_hardirqs_on_caller+0xc0/0x310
[  651.580274]  ? syscall_return_slowpath+0x5e0/0x5e0
[  651.585207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.590080]  ? trace_hardirqs_on_caller+0x310/0x310
[  651.595095]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  651.600559]  ? prepare_exit_to_usermode+0x291/0x3b0
[  651.605574]  ? page_fault+0x8/0x30
[  651.609120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  651.613988]  ? page_fault+0x8/0x30
[  651.617529]  page_fault+0x1e/0x30
[  651.620998] RIP: 0033:0x7fe9f4ff21fd
[  651.624736] Code: Bad RIP value.
[  651.628106] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  651.633488] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  651.640758] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  651.648022] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  651.655291] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  651.662551] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  651.669882] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  651.669902] warn_alloc_show_mem: 1 callbacks suppressed
[  651.669925] Mem-Info:
[  651.677060] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  651.682437] active_anon:43385 inactive_anon:190 isolated_anon:0
[  651.682437]  active_file:9 inactive_file:19 isolated_file:0
[  651.682437]  unevictable:0 dirty:0 writeback:0 unstable:0
[  651.682437]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  651.682437]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  651.682437]  free:13722 free_pcp:438 free_cma:0
[  651.684804] Call Trace:
[  651.694201] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  651.726972]  <IRQ>
[  651.729540] 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
[  651.757075]  dump_stack+0x244/0x39d
[  651.759199] lowmem_reserve[]: 0 2818 6321 6321
[  651.785854]  ? dump_stack_print_info.cold.1+0x20/0x20
[  651.789471] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  651.794065]  warn_alloc.cold.116+0xb7/0x1bd
[  651.799220] lowmem_reserve[]: 0 0 3503 3503
[  651.826533]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  651.830824] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  651.835143]  ? lock_downgrade+0x900/0x900
[  651.839957] lowmem_reserve[]: 0 0 0 0
[  651.868947]  ? trace_hardirqs_off+0xb8/0x310
[  651.873085] 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
[  651.876880]  ? trace_hardirqs_off+0xb8/0x310
[  651.881260] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  651.894788]  __alloc_pages_slowpath+0x2651/0x2de0
[  651.899159] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  651.914167]  ? warn_alloc+0x120/0x120
[  651.918972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  651.934492]  ? warn_alloc+0x120/0x120
[  651.938272] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  651.947090]  ? __lock_acquire+0x62f/0x4c20
[  651.950865] 272 total pagecache pages
[  651.959438]  ? warn_alloc+0x120/0x120
[  651.963668] 0 pages in swap cache
[  651.967460]  ? print_usage_bug+0xc0/0xc0
[  651.971237] Swap cache stats: add 0, delete 0, find 0/0
[  651.974681]  ? print_usage_bug+0xc0/0xc0
[  651.978718] Free swap  = 0kB
[  651.984073]  ? mark_held_locks+0x130/0x130
[  651.988110] Total swap = 0kB
[  651.991120]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  651.995323] 1965979 pages RAM
[  651.998389]  ? should_fail+0x22d/0xd01
[  652.003894] 0 pages HighMem/MovableOnly
[  652.003903] 342854 pages reserved
[  652.007016]  ? zap_class+0x640/0x640
[  652.010878] 0 pages cma reserved
[  652.014844]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.018347] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  652.021977]  ? __lock_acquire+0x62f/0x4c20
[  652.021995]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.022011]  ? should_fail+0x22d/0xd01
[  652.025489] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.030457]  ? mark_held_locks+0x130/0x130
[  652.036934] rsyslogd cpuset=/ mems_allowed=0
[  652.041159]  ? mark_held_locks+0x130/0x130
[  652.072962]  ? lock_downgrade+0x900/0x900
[  652.077122]  ? zap_class+0x640/0x640
[  652.080829]  ? zap_class+0x640/0x640
[  652.084539]  ? zap_class+0x640/0x640
[  652.088251]  ? do_raw_spin_unlock+0xa7/0x330
[  652.092671]  ? trace_hardirqs_on+0x310/0x310
[  652.097105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.102637]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.108169]  ? check_preemption_disabled+0x48/0x280
[  652.113196]  ? __lock_is_held+0xb5/0x140
[  652.117256]  __alloc_pages_nodemask+0xad8/0xea0
[  652.121932]  ? zap_class+0x640/0x640
[  652.125648]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  652.130673]  ? find_held_lock+0x36/0x1c0
[  652.134738]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.139404]  ? lock_downgrade+0x900/0x900
[  652.143608]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.149153]  cache_grow_begin+0xa5/0x8c0
[  652.153227]  ? do_raw_spin_unlock+0xa7/0x330
[  652.157635]  fallback_alloc+0x204/0x2e0
[  652.161629]  ____cache_alloc_node+0x1c7/0x1e0
[  652.166141]  kmem_cache_alloc_node+0xe3/0x730
[  652.170653]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.175245]  __alloc_skb+0x119/0x770
[  652.178959]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  652.184328]  ? netdev_alloc_frag+0x1f0/0x1f0
[  652.188742]  ? vprintk_default+0x28/0x30
[  652.192805]  ? vprintk_func+0x85/0x181
[  652.196713]  ? printk+0xa7/0xcf
[  652.200006]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  652.204765]  ? do_raw_spin_trylock+0x270/0x270
[  652.209349]  new_skb+0x26/0x1c0
[  652.212662]  aoecmd_cfg+0x279/0x7f0
[  652.216333]  ? find_held_lock+0x36/0x1c0
[  652.220393]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  652.224717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.230261]  ? __lock_is_held+0xb5/0x140
[  652.234338]  discover_timer+0x50/0x60
[  652.238139]  call_timer_fn+0x272/0x920
[  652.242028]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.246867]  ? process_timeout+0x40/0x40
[  652.250935]  ? __run_timers+0x7da/0xc70
[  652.254909]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.259416]  ? _raw_spin_unlock_irq+0x27/0x80
[  652.263913]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.268754]  ? lockdep_hardirqs_on+0x296/0x5b0
[  652.273355]  ? trace_hardirqs_on+0xbd/0x310
[  652.277673]  ? kasan_check_read+0x11/0x20
[  652.281837]  ? __run_timers+0x7da/0xc70
[  652.285855]  ? trace_hardirqs_off_caller+0x310/0x310
[  652.290970]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  652.295813]  __run_timers+0x7e5/0xc70
[  652.299621]  ? timer_fixup_init+0x70/0x70
[  652.303767]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  652.308793]  ? zap_class+0x640/0x640
[  652.312514]  ? enqueue_hrtimer+0x1a5/0x560
[  652.316751]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  652.321965]  ? find_held_lock+0x36/0x1c0
[  652.326043]  ? zap_class+0x640/0x640
[  652.329758]  ? pvclock_read_flags+0x160/0x160
[  652.334255]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.339827]  ? check_preemption_disabled+0x48/0x280
[  652.344864]  ? __lock_is_held+0xb5/0x140
[  652.348925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.354468]  ? check_preemption_disabled+0x48/0x280
[  652.359496]  run_timer_softirq+0x52/0xb0
[  652.363573]  ? rcu_read_lock_sched_held+0x14f/0x180
[  652.368591]  __do_softirq+0x308/0xb7e
[  652.372411]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  652.376927]  ? lock_downgrade+0x900/0x900
[  652.381074]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  652.386179]  ? pvclock_read_flags+0x160/0x160
[  652.390676]  ? lapic_next_event+0x5a/0x90
[  652.394827]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.400369]  ? kvm_clock_read+0x18/0x30
[  652.404342]  ? kvm_sched_clock_read+0x9/0x20
[  652.408751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.414292]  ? check_preemption_disabled+0x48/0x280
[  652.419317]  irq_exit+0x17f/0x1c0
[  652.422767]  smp_apic_timer_interrupt+0x1cb/0x760
[  652.427627]  ? smp_reschedule_interrupt+0x109/0x650
[  652.432642]  ? smp_call_function_single_interrupt+0x650/0x650
[  652.438526]  ? interrupt_entry+0xb5/0xc0
[  652.442599]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.447625]  ? trace_hardirqs_off_caller+0xbb/0x310
[  652.452644]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.457486]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.462505]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.467548]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.472393]  apic_timer_interrupt+0xf/0x20
[  652.476635]  </IRQ>
[  652.478872] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  652.483867] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  652.502763] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  652.510498] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  652.517762] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  652.525059] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  652.532353] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  652.539621] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  652.546925]  skb_clone+0x1bb/0x500
[  652.550477]  ? finish_task_switch+0x2f4/0x910
[  652.554987]  ? skb_split+0x11e0/0x11e0
[  652.558889]  ? preempt_notifier_register+0x200/0x200
[  652.563987]  ? __switch_to_asm+0x34/0x70
[  652.568045]  ? __switch_to_asm+0x34/0x70
[  652.572126]  ? __switch_to_asm+0x40/0x70
[  652.576193]  ? __switch_to_asm+0x34/0x70
[  652.580245]  ? __switch_to_asm+0x40/0x70
[  652.584294]  ? __switch_to_asm+0x34/0x70
[  652.588348]  ? __switch_to_asm+0x40/0x70
[  652.592397]  ? __switch_to_asm+0x34/0x70
[  652.596474]  ? __switch_to_asm+0x34/0x70
[  652.600527]  ? __switch_to_asm+0x40/0x70
[  652.604596]  ? __switch_to_asm+0x34/0x70
[  652.608652]  bpf_clone_redirect+0xb9/0x490
[  652.612899]  ? __schedule+0x8d7/0x21d0
[  652.616795]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  652.621815]  ? __sched_text_start+0x8/0x8
[  652.625962]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  652.630538]  ? retint_kernel+0x2d/0x2d
[  652.634419]  ? trace_hardirqs_on_caller+0xc0/0x310
[  652.639378]  ? find_held_lock+0x36/0x1c0
[  652.643464]  ? lock_acquire+0x1ed/0x520
[  652.647440]  ? bpf_test_run+0x3ee/0x7a0
[  652.651420]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.656971]  ? check_preemption_disabled+0x48/0x280
[  652.662006]  ? kasan_check_read+0x11/0x20
[  652.666151]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  652.671425]  ? rcu_softirq_qs+0x20/0x20
[  652.675406]  ? preempt_schedule+0x4d/0x60
[  652.679556]  ? ___preempt_schedule+0x16/0x18
[  652.683968]  ? bpf_test_run+0x271/0x7a0
[  652.687953]  ? netlink_diag_dump+0x2a0/0x2a0
[  652.692358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.697893]  ? bpf_test_init.isra.10+0x70/0x100
[  652.702562]  ? bpf_prog_test_run_skb+0x762/0xd60
[  652.707339]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.712182]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  652.717750]  ? fput+0x130/0x1a0
[  652.721035]  ? __bpf_prog_get+0x9b/0x290
[  652.725109]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  652.729999]  ? bpf_prog_test_run+0x130/0x1a0
[  652.734414]  ? __x64_sys_bpf+0x3d8/0x520
[  652.738536]  ? bpf_prog_get+0x20/0x20
[  652.742353]  ? do_syscall_64+0x1b9/0x820
[  652.746412]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  652.751786]  ? syscall_return_slowpath+0x5e0/0x5e0
[  652.756718]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.761559]  ? trace_hardirqs_on_caller+0x310/0x310
[  652.766577]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  652.771593]  ? prepare_exit_to_usermode+0x291/0x3b0
[  652.776610]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  652.781458]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  652.786881] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  652.786977] aoe: skb alloc failure
[  652.793649] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  652.793654] Call Trace:
[  652.793659]  <IRQ>
[  652.793674]  dump_stack+0x244/0x39d
[  652.793695]  ? dump_stack_print_info.cold.1+0x20/0x20
[  652.797248] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  652.806575]  warn_alloc.cold.116+0xb7/0x1bd
[  652.809142] syz-executor4 cpuset=syz4 mems_allowed=0
[  652.811291]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  652.844742]  ? lock_downgrade+0x900/0x900
[  652.848908]  ? trace_hardirqs_off+0xb8/0x310
[  652.853335]  ? trace_hardirqs_off+0xb8/0x310
[  652.857749]  __alloc_pages_slowpath+0x2651/0x2de0
[  652.862633]  ? warn_alloc+0x120/0x120
[  652.866448]  ? warn_alloc+0x120/0x120
[  652.870257]  ? warn_alloc+0x120/0x120
[  652.874079]  ? print_usage_bug+0xc0/0xc0
[  652.878148]  ? print_usage_bug+0xc0/0xc0
[  652.882212]  ? mark_held_locks+0x130/0x130
[  652.886498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  652.892038]  ? should_fail+0x22d/0xd01
[  652.895940]  ? __lock_acquire+0x62f/0x4c20
[  652.900176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.905778]  ? __lock_acquire+0x62f/0x4c20
[  652.910020]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  652.915127]  ? __lock_acquire+0x62f/0x4c20
[  652.919362]  ? should_fail+0x22d/0xd01
[  652.923258]  ? mark_held_locks+0x130/0x130
[  652.927515]  ? mark_held_locks+0x130/0x130
[  652.931748]  ? zap_class+0x640/0x640
[  652.935494]  ? zap_class+0x640/0x640
[  652.939230]  ? check_preemption_disabled+0x48/0x280
[  652.944252]  ? zap_class+0x640/0x640
[  652.947968]  ? print_usage_bug+0xc0/0xc0
[  652.952050]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.957585]  ? check_preemption_disabled+0x48/0x280
[  652.962613]  ? __lock_is_held+0xb5/0x140
[  652.966678]  __alloc_pages_nodemask+0xad8/0xea0
[  652.971342]  ? zap_class+0x640/0x640
[  652.975072]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  652.980101]  ? find_held_lock+0x36/0x1c0
[  652.984181]  ? ____cache_alloc_node+0x1c7/0x1e0
[  652.988847]  ? lock_downgrade+0x900/0x900
[  652.993000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  652.998581]  cache_grow_begin+0xa5/0x8c0
[  653.002641]  ? do_raw_spin_unlock+0xa7/0x330
[  653.007083]  fallback_alloc+0x204/0x2e0
[  653.011097]  ____cache_alloc_node+0x1c7/0x1e0
[  653.015610]  kmem_cache_alloc_node+0xe3/0x730
[  653.020105]  ? ipv6_get_ifaddr+0x42e/0x620
[  653.024344]  __alloc_skb+0x119/0x770
[  653.028064]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.033356]  ? netdev_alloc_frag+0x1f0/0x1f0
[  653.037763]  ? lock_downgrade+0x900/0x900
[  653.041920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.047460]  ? refcount_sub_and_test_checked+0x203/0x310
[  653.052913]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  653.058365]  ? addrconf_rs_timer+0x690/0x690
[  653.062784]  ndisc_alloc_skb+0x144/0x340
[  653.066850]  ndisc_send_rs+0x331/0x6e0
[  653.070739]  addrconf_rs_timer+0x314/0x690
[  653.074975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.079225]  call_timer_fn+0x272/0x920
[  653.083113]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.087350]  ? process_timeout+0x40/0x40
[  653.091416]  ? mark_held_locks+0xc7/0x130
[  653.095565]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.100079]  ? _raw_spin_unlock_irq+0x27/0x80
[  653.104576]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.108823]  ? lockdep_hardirqs_on+0x296/0x5b0
[  653.113404]  ? trace_hardirqs_on+0xbd/0x310
[  653.117729]  ? kasan_check_read+0x11/0x20
[  653.121884]  ? __run_timers+0x7da/0xc70
[  653.125853]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.130964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  653.135194]  __run_timers+0x7e5/0xc70
[  653.139014]  ? timer_fixup_init+0x70/0x70
[  653.143165]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  653.148182]  ? zap_class+0x640/0x640
[  653.151898]  ? print_usage_bug+0xc0/0xc0
[  653.155976]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  653.161167]  ? find_held_lock+0x36/0x1c0
[  653.165230]  ? zap_class+0x640/0x640
[  653.168946]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.174628]  ? check_preemption_disabled+0x48/0x280
[  653.179654]  ? __lock_is_held+0xb5/0x140
[  653.183878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.189415]  ? check_preemption_disabled+0x48/0x280
[  653.194680]  run_timer_softirq+0x52/0xb0
[  653.198741]  ? rcu_read_lock_sched_held+0x14f/0x180
[  653.203764]  __do_softirq+0x308/0xb7e
[  653.207577]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  653.212082]  ? lock_downgrade+0x900/0x900
[  653.216341]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  653.221634]  ? pvclock_read_flags+0x160/0x160
[  653.226159]  ? lapic_next_event+0x5a/0x90
[  653.230309]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.235849]  ? kvm_clock_read+0x18/0x30
[  653.239826]  ? kvm_sched_clock_read+0x9/0x20
[  653.244336]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.250051]  ? check_preemption_disabled+0x48/0x280
[  653.255284]  irq_exit+0x17f/0x1c0
[  653.258740]  smp_apic_timer_interrupt+0x1cb/0x760
[  653.263590]  ? smp_call_function_single_interrupt+0x650/0x650
[  653.269499]  ? interrupt_entry+0xb5/0xc0
[  653.273570]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.278585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  653.283605]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.288453]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.293470]  ? trace_hardirqs_on_caller+0x310/0x310
[  653.298511]  ? task_prio+0x50/0x50
[  653.302052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.307589]  ? check_preemption_disabled+0x48/0x280
[  653.312606]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  653.317457]  apic_timer_interrupt+0xf/0x20
[  653.321683]  </IRQ>
[  653.323921] RIP: 0010:dump_stack+0x358/0x39d
[  653.328332] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  653.347244] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  653.354951] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  653.362219] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  653.369486] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  653.376756] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  653.384038] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  653.391323]  ? dump_stack+0x34f/0x39d
[  653.395183]  ? dump_stack_print_info.cold.1+0x20/0x20
[  653.400373]  ? mark_held_locks+0x130/0x130
[  653.404604]  ? mark_held_locks+0x130/0x130
[  653.408844]  dump_header+0x27b/0xf72
[  653.412576]  ? pagefault_out_of_memory+0x197/0x197
[  653.417516]  ? __lock_acquire+0x62f/0x4c20
[  653.421756]  ? percpu_ref_get_many+0x240/0x240
[  653.426337]  ? print_usage_bug+0xc0/0xc0
[  653.430403]  ? zap_class+0x640/0x640
[  653.434140]  ? print_usage_bug+0xc0/0xc0
[  653.438198]  ? print_usage_bug+0xc0/0xc0
[  653.442259]  ? zap_class+0x640/0x640
[  653.445977]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.451515]  ? find_held_lock+0x36/0x1c0
[  653.455577]  ? mark_held_locks+0xc7/0x130
[  653.459720]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.464817]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  653.469916]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  653.474495]  ? trace_hardirqs_on+0xbd/0x310
[  653.478827]  ? kasan_check_read+0x11/0x20
[  653.482970]  ? ___ratelimit+0x3b4/0x672
[  653.486979]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.492081]  ? trace_hardirqs_on+0x310/0x310
[  653.496492]  ? lock_downgrade+0x900/0x900
[  653.500640]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  653.505743]  ? ___ratelimit+0x3b9/0x672
[  653.509720]  ? idr_get_free+0xf70/0xf70
[  653.513692]  ? find_held_lock+0x36/0x1c0
[  653.517760]  oom_kill_process.cold.27+0x10/0x903
[  653.522525]  ? zap_class+0x640/0x640
[  653.526242]  ? check_preemption_disabled+0x48/0x280
[  653.531265]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.536200]  ? kasan_check_read+0x11/0x20
[  653.540346]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.545643]  ? oom_evaluate_task+0x540/0x540
[  653.550070]  ? find_held_lock+0x36/0x1c0
[  653.554157]  ? out_of_memory+0x974/0x1430
[  653.558313]  ? lock_downgrade+0x900/0x900
[  653.562465]  ? check_preemption_disabled+0x48/0x280
[  653.567482]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.572413]  ? kasan_check_read+0x11/0x20
[  653.576573]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.581848]  ? rcu_softirq_qs+0x20/0x20
[  653.585858]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.591407]  ? oom_evaluate_task+0x302/0x540
[  653.595819]  out_of_memory+0xa84/0x1430
[  653.599809]  ? oom_killer_disable+0x3a0/0x3a0
[  653.604304]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  653.609229]  ? __ww_mutex_check_waiters+0x160/0x160
[  653.614249]  __alloc_pages_slowpath+0x232c/0x2de0
[  653.619146]  ? warn_alloc+0x120/0x120
[  653.622939]  ? mark_held_locks+0x130/0x130
[  653.627177]  ? find_get_entry+0xaae/0x1120
[  653.631419]  ? filemap_map_pages+0x1a20/0x1a20
[  653.636012]  ? zap_class+0x640/0x640
[  653.639731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  653.645268]  ? check_preemption_disabled+0x48/0x280
[  653.650307]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.655841]  ? should_fail+0x22d/0xd01
[  653.659735]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  653.664841]  ? zap_class+0x640/0x640
[  653.668580]  ? __lock_is_held+0xb5/0x140
[  653.672648]  ? mark_held_locks+0x130/0x130
[  653.676883]  ? lock_release+0xa00/0xa00
[  653.680859]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.686309]  ? xa_load+0x2ba/0x460
[  653.689941]  ? lock_downgrade+0x900/0x900
[  653.694092]  ? __might_sleep+0x95/0x190
[  653.698066]  __alloc_pages_nodemask+0xad8/0xea0
[  653.702755]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  653.707771]  ? __page_cache_alloc+0x191/0x5c0
[  653.712262]  ? xa_load+0x2e1/0x460
[  653.715807]  ? xa_clear_mark+0x40/0x40
[  653.719690]  ? zap_class+0x640/0x640
[  653.723407]  ? zap_class+0x640/0x640
[  653.727131]  ? zap_class+0x640/0x640
[  653.730839]  ? __do_page_cache_readahead+0x663/0x810
[  653.735948]  ? find_held_lock+0x36/0x1c0
[  653.740036]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  653.745590]  alloc_pages_current+0x173/0x350
[  653.749997]  __page_cache_alloc+0x38c/0x5c0
[  653.754324]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.759249]  ? kasan_check_read+0x11/0x20
[  653.763395]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.768677]  ? generic_perform_write+0x6a0/0x6a0
[  653.773592]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.779119]  ? check_preemption_disabled+0x48/0x280
[  653.784140]  filemap_fault+0x1595/0x25f0
[  653.788206]  ? __lock_page_or_retry+0xa00/0xa00
[  653.792872]  ? mark_held_locks+0x130/0x130
[  653.797109]  ? filemap_map_pages+0xd6b/0x1a20
[  653.801604]  ? lock_downgrade+0x900/0x900
[  653.805750]  ? check_preemption_disabled+0x48/0x280
[  653.810786]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.815715]  ? kasan_check_read+0x11/0x20
[  653.819860]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.825134]  ? rcu_softirq_qs+0x20/0x20
[  653.829121]  ? filemap_map_pages+0xd92/0x1a20
[  653.833629]  ? find_get_entries_tag+0x1400/0x1400
[  653.838468]  ? __kernel_text_address+0xd/0x40
[  653.842961]  ? unwind_get_return_address+0x61/0xa0
[  653.847905]  ? lock_acquire+0x1ed/0x520
[  653.851880]  ? ext4_filemap_fault+0x7a/0xad
[  653.856207]  ? lock_release+0xa00/0xa00
[  653.860181]  ? perf_trace_sched_process_exec+0x860/0x860
[  653.865639]  ? print_usage_bug+0xc0/0xc0
[  653.869703]  ? print_usage_bug+0xc0/0xc0
[  653.873761]  ? __x64_sys_read+0x73/0xb0
[  653.877736]  ? print_usage_bug+0xc0/0xc0
[  653.881805]  ? down_read+0x8d/0x120
[  653.885439]  ? ext4_filemap_fault+0x7a/0xad
[  653.889764]  ? __down_interruptible+0x700/0x700
[  653.894453]  ext4_filemap_fault+0x82/0xad
[  653.898606]  __do_fault+0x100/0x6b0
[  653.902234]  ? trace_hardirqs_on+0xbd/0x310
[  653.906560]  ? pmd_devmap_trans_unstable+0x220/0x220
[  653.911683]  ? mark_held_locks+0x130/0x130
[  653.915919]  ? mark_held_locks+0x130/0x130
[  653.920154]  ? do_syslog+0x147b/0x1690
[  653.924049]  ? do_syslog+0x309/0x1690
[  653.927856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  653.933400]  __handle_mm_fault+0x3ea0/0x5be0
[  653.937891]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  653.942735]  ? find_held_lock+0x36/0x1c0
[  653.946816]  ? zap_class+0x640/0x640
[  653.950564]  ? zap_class+0x640/0x640
[  653.954287]  ? find_held_lock+0x36/0x1c0
[  653.958370]  ? handle_mm_fault+0x42a/0xc70
[  653.962607]  ? lock_downgrade+0x900/0x900
[  653.966755]  ? check_preemption_disabled+0x48/0x280
[  653.971771]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  653.976701]  ? kasan_check_read+0x11/0x20
[  653.980852]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  653.986128]  ? rcu_softirq_qs+0x20/0x20
[  653.990104]  ? trace_hardirqs_off_caller+0x310/0x310
[  653.995216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.000784]  ? check_preemption_disabled+0x48/0x280
[  654.005806]  handle_mm_fault+0x54f/0xc70
[  654.009885]  ? __handle_mm_fault+0x5be0/0x5be0
[  654.014474]  ? find_vma+0x34/0x190
[  654.018018]  __do_page_fault+0x5e8/0xe60
[  654.022122]  ? trace_hardirqs_off+0xb8/0x310
[  654.026530]  ? kernel_write+0x120/0x120
[  654.030513]  do_page_fault+0xf2/0x7e0
[  654.034312]  ? vmalloc_sync_all+0x30/0x30
[  654.038463]  ? error_entry+0x70/0xd0
[  654.042172]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.047180]  ? trace_hardirqs_on_caller+0xc0/0x310
[  654.052120]  ? syscall_return_slowpath+0x5e0/0x5e0
[  654.057079]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.061921]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.066936]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  654.072389]  ? prepare_exit_to_usermode+0x291/0x3b0
[  654.077403]  ? page_fault+0x8/0x30
[  654.080956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.085801]  ? page_fault+0x8/0x30
[  654.089346]  page_fault+0x1e/0x30
[  654.092798] RIP: 0033:0x7fe9f4ff21fd
[  654.096533] Code: Bad RIP value.
[  654.099890] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  654.105272] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  654.112556] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  654.119816] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  654.127081] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  654.134349] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  654.141634] warn_alloc_show_mem: 1 callbacks suppressed
[  654.141645] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  654.141646] Mem-Info:
[  654.141672] active_anon:43385 inactive_anon:190 isolated_anon:0
[  654.141672]  active_file:9 inactive_file:19 isolated_file:0
[  654.141672]  unevictable:0 dirty:0 writeback:0 unstable:0
[  654.141672]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  654.141672]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  654.141672]  free:13722 free_pcp:438 free_cma:0
[  654.147010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  654.147017] Call Trace:
[  654.154119] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  654.156520]  <IRQ>
[  654.189329] 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
[  654.198676]  dump_stack+0x244/0x39d
[  654.201227] lowmem_reserve[]: 0 2818 6321 6321
[  654.228822]  ? dump_stack_print_info.cold.1+0x20/0x20
[  654.230974] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  654.257080]  warn_alloc.cold.116+0xb7/0x1bd
[  654.260670] lowmem_reserve[]: 0 0 3503 3503
[  654.265243]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  654.270418] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  654.297748]  ? lock_downgrade+0x900/0x900
[  654.302036] lowmem_reserve[]: 0 0 0 0
[  654.306360]  ? trace_hardirqs_off+0xb8/0x310
[  654.311172] 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
[  654.340150]  ? trace_hardirqs_off+0xb8/0x310
[  654.344289] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  654.348082]  __alloc_pages_slowpath+0x2651/0x2de0
[  654.352463] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  654.366027]  ? warn_alloc+0x120/0x120
[  654.370397] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  654.385375]  ? warn_alloc+0x120/0x120
[  654.390196] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  654.405702]  ? __lock_acquire+0x62f/0x4c20
[  654.409479] 272 total pagecache pages
[  654.418301]  ? warn_alloc+0x120/0x120
[  654.422085] 0 pages in swap cache
[  654.430642]  ? print_usage_bug+0xc0/0xc0
[  654.434861] Swap cache stats: add 0, delete 0, find 0/0
[  654.434869] Free swap  = 0kB
[  654.438689]  ? print_usage_bug+0xc0/0xc0
[  654.442459] Total swap = 0kB
[  654.442466] 1965979 pages RAM
[  654.445917]  ? mark_held_locks+0x130/0x130
[  654.449952] 0 pages HighMem/MovableOnly
[  654.455303]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  654.458293] 342854 pages reserved
[  654.458300] 0 pages cma reserved
[  654.462372]  ? should_fail+0x22d/0xd01
[  654.465454] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  654.468450]  ? zap_class+0x640/0x640
[  654.468466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.472755] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  654.476643]  ? __lock_acquire+0x62f/0x4c20
[  654.482154] rsyslogd cpuset=/ mems_allowed=0
[  654.485598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  654.531974]  ? should_fail+0x22d/0xd01
[  654.535867]  ? mark_held_locks+0x130/0x130
[  654.540115]  ? mark_held_locks+0x130/0x130
[  654.544342]  ? lock_downgrade+0x900/0x900
[  654.548487]  ? zap_class+0x640/0x640
[  654.552206]  ? zap_class+0x640/0x640
[  654.555917]  ? zap_class+0x640/0x640
[  654.559626]  ? do_raw_spin_unlock+0xa7/0x330
[  654.564033]  ? trace_hardirqs_on+0x310/0x310
[  654.568463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.574001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.579566]  ? check_preemption_disabled+0x48/0x280
[  654.584592]  ? __lock_is_held+0xb5/0x140
[  654.588654]  __alloc_pages_nodemask+0xad8/0xea0
[  654.593317]  ? zap_class+0x640/0x640
[  654.597030]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  654.602079]  ? find_held_lock+0x36/0x1c0
[  654.606144]  ? ____cache_alloc_node+0x1c7/0x1e0
[  654.610810]  ? lock_downgrade+0x900/0x900
[  654.614957]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.620497]  cache_grow_begin+0xa5/0x8c0
[  654.624553]  ? do_raw_spin_unlock+0xa7/0x330
[  654.628996]  fallback_alloc+0x204/0x2e0
[  654.632974]  ____cache_alloc_node+0x1c7/0x1e0
[  654.637476]  kmem_cache_alloc_node+0xe3/0x730
[  654.641972]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.646566]  __alloc_skb+0x119/0x770
[  654.650275]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  654.655636]  ? netdev_alloc_frag+0x1f0/0x1f0
[  654.660056]  ? vprintk_default+0x28/0x30
[  654.664145]  ? vprintk_func+0x85/0x181
[  654.668031]  ? printk+0xa7/0xcf
[  654.671331]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  654.676097]  ? do_raw_spin_trylock+0x270/0x270
[  654.680677]  new_skb+0x26/0x1c0
[  654.683949]  aoecmd_cfg+0x279/0x7f0
[  654.687578]  ? find_held_lock+0x36/0x1c0
[  654.691644]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  654.695966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.701507]  ? __lock_is_held+0xb5/0x140
[  654.705574]  discover_timer+0x50/0x60
[  654.709368]  call_timer_fn+0x272/0x920
[  654.713251]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.718087]  ? process_timeout+0x40/0x40
[  654.722144]  ? __run_timers+0x7da/0xc70
[  654.726130]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.730616]  ? _raw_spin_unlock_irq+0x27/0x80
[  654.735102]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.739941]  ? lockdep_hardirqs_on+0x296/0x5b0
[  654.744522]  ? trace_hardirqs_on+0xbd/0x310
[  654.748841]  ? kasan_check_read+0x11/0x20
[  654.752982]  ? __run_timers+0x7da/0xc70
[  654.756950]  ? trace_hardirqs_off_caller+0x310/0x310
[  654.762089]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  654.766926]  __run_timers+0x7e5/0xc70
[  654.770750]  ? timer_fixup_init+0x70/0x70
[  654.774901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  654.779949]  ? zap_class+0x640/0x640
[  654.783666]  ? enqueue_hrtimer+0x1a5/0x560
[  654.787903]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  654.793114]  ? find_held_lock+0x36/0x1c0
[  654.797225]  ? zap_class+0x640/0x640
[  654.800942]  ? pvclock_read_flags+0x160/0x160
[  654.805447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.810983]  ? check_preemption_disabled+0x48/0x280
[  654.816014]  ? __lock_is_held+0xb5/0x140
[  654.820084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.825614]  ? check_preemption_disabled+0x48/0x280
[  654.830633]  run_timer_softirq+0x52/0xb0
[  654.834694]  ? rcu_read_lock_sched_held+0x14f/0x180
[  654.839707]  __do_softirq+0x308/0xb7e
[  654.843503]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  654.847994]  ? lock_downgrade+0x900/0x900
[  654.852149]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  654.857265]  ? pvclock_read_flags+0x160/0x160
[  654.861755]  ? lapic_next_event+0x5a/0x90
[  654.865914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.871530]  ? kvm_clock_read+0x18/0x30
[  654.875517]  ? kvm_sched_clock_read+0x9/0x20
[  654.879929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  654.885466]  ? check_preemption_disabled+0x48/0x280
[  654.890510]  irq_exit+0x17f/0x1c0
[  654.893959]  smp_apic_timer_interrupt+0x1cb/0x760
[  654.898811]  ? smp_reschedule_interrupt+0x109/0x650
[  654.903836]  ? smp_call_function_single_interrupt+0x650/0x650
[  654.909868]  ? interrupt_entry+0xb5/0xc0
[  654.913956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.918973]  ? trace_hardirqs_off_caller+0xbb/0x310
[  654.923986]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.928824]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.933849]  ? trace_hardirqs_on_caller+0x310/0x310
[  654.938896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  654.943742]  apic_timer_interrupt+0xf/0x20
[  654.947965]  </IRQ>
[  654.950196] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  654.955141] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  654.974068] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  654.981776] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  654.989050] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  654.996332] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  655.003595] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  655.010873] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  655.018183]  skb_clone+0x1bb/0x500
[  655.021737]  ? finish_task_switch+0x2f4/0x910
[  655.026249]  ? skb_split+0x11e0/0x11e0
[  655.030134]  ? preempt_notifier_register+0x200/0x200
[  655.035229]  ? __switch_to_asm+0x34/0x70
[  655.039283]  ? __switch_to_asm+0x34/0x70
[  655.043334]  ? __switch_to_asm+0x40/0x70
[  655.047386]  ? __switch_to_asm+0x34/0x70
[  655.051457]  ? __switch_to_asm+0x40/0x70
[  655.055525]  ? __switch_to_asm+0x34/0x70
[  655.059575]  ? __switch_to_asm+0x40/0x70
[  655.063629]  ? __switch_to_asm+0x34/0x70
[  655.067683]  ? __switch_to_asm+0x34/0x70
[  655.071740]  ? __switch_to_asm+0x40/0x70
[  655.075802]  ? __switch_to_asm+0x34/0x70
[  655.079867]  bpf_clone_redirect+0xb9/0x490
[  655.084095]  ? __schedule+0x8d7/0x21d0
[  655.087980]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  655.092990]  ? __sched_text_start+0x8/0x8
[  655.097148]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  655.101739]  ? retint_kernel+0x2d/0x2d
[  655.105634]  ? trace_hardirqs_on_caller+0xc0/0x310
[  655.110560]  ? find_held_lock+0x36/0x1c0
[  655.114637]  ? lock_acquire+0x1ed/0x520
[  655.118603]  ? bpf_test_run+0x3ee/0x7a0
[  655.122574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.128121]  ? check_preemption_disabled+0x48/0x280
[  655.133135]  ? kasan_check_read+0x11/0x20
[  655.137271]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.142581]  ? rcu_softirq_qs+0x20/0x20
[  655.146547]  ? preempt_schedule+0x4d/0x60
[  655.150689]  ? ___preempt_schedule+0x16/0x18
[  655.155145]  ? bpf_test_run+0x271/0x7a0
[  655.159123]  ? netlink_diag_dump+0x2a0/0x2a0
[  655.163528]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.169094]  ? bpf_test_init.isra.10+0x70/0x100
[  655.173761]  ? bpf_prog_test_run_skb+0x762/0xd60
[  655.178519]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  655.183356]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  655.188884]  ? fput+0x130/0x1a0
[  655.192158]  ? __bpf_prog_get+0x9b/0x290
[  655.196223]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  655.201068]  ? bpf_prog_test_run+0x130/0x1a0
[  655.205469]  ? __x64_sys_bpf+0x3d8/0x520
[  655.209551]  ? bpf_prog_get+0x20/0x20
[  655.213393]  ? do_syscall_64+0x1b9/0x820
[  655.217478]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  655.222850]  ? syscall_return_slowpath+0x5e0/0x5e0
[  655.227771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.232641]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.237681]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  655.242693]  ? prepare_exit_to_usermode+0x291/0x3b0
[  655.247713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.252555]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  655.257923] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  655.257986] aoe: skb alloc failure
[  655.264701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  655.264705] Call Trace:
[  655.264710]  <IRQ>
[  655.264726]  dump_stack+0x244/0x39d
[  655.264743]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.268303] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  655.277637]  warn_alloc.cold.116+0xb7/0x1bd
[  655.280186] syz-executor4 cpuset=syz4 mems_allowed=0
[  655.282323]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  655.316152]  ? lock_downgrade+0x900/0x900
[  655.320556]  ? trace_hardirqs_off+0xb8/0x310
[  655.325223]  ? trace_hardirqs_off+0xb8/0x310
[  655.329635]  __alloc_pages_slowpath+0x2651/0x2de0
[  655.334575]  ? warn_alloc+0x120/0x120
[  655.338390]  ? print_usage_bug+0xc0/0xc0
[  655.342448]  ? warn_alloc+0x120/0x120
[  655.346246]  ? warn_alloc+0x120/0x120
[  655.350039]  ? print_usage_bug+0xc0/0xc0
[  655.354123]  ? kvm_clock_read+0x18/0x30
[  655.358093]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  655.363106]  ? print_usage_bug+0xc0/0xc0
[  655.367160]  ? __lock_acquire+0x62f/0x4c20
[  655.371409]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.376951]  ? should_fail+0x22d/0xd01
[  655.380849]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.386123]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.391233]  ? __lock_acquire+0x62f/0x4c20
[  655.395465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  655.400556]  ? __lock_acquire+0x62f/0x4c20
[  655.404779]  ? should_fail+0x22d/0xd01
[  655.408670]  ? rcu_irq_exit+0x1a2/0x390
[  655.412660]  ? mark_held_locks+0x130/0x130
[  655.416902]  ? mark_held_locks+0x130/0x130
[  655.421132]  ? mark_held_locks+0xc7/0x130
[  655.425269]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  655.430293]  ? zap_class+0x640/0x640
[  655.434002]  ? print_usage_bug+0xc0/0xc0
[  655.438080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.443610]  ? check_preemption_disabled+0x48/0x280
[  655.448628]  ? __lock_is_held+0xb5/0x140
[  655.452735]  __alloc_pages_nodemask+0xad8/0xea0
[  655.457407]  ? zap_class+0x640/0x640
[  655.461130]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  655.466148]  ? find_held_lock+0x36/0x1c0
[  655.470240]  ? ____cache_alloc_node+0x1c7/0x1e0
[  655.474920]  ? lock_downgrade+0x900/0x900
[  655.479100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.484636]  cache_grow_begin+0xa5/0x8c0
[  655.488688]  ? do_raw_spin_unlock+0xa7/0x330
[  655.493115]  fallback_alloc+0x204/0x2e0
[  655.497102]  ____cache_alloc_node+0x1c7/0x1e0
[  655.501598]  kmem_cache_alloc_node+0xe3/0x730
[  655.506092]  ? ipv6_get_ifaddr+0x42e/0x620
[  655.510363]  __alloc_skb+0x119/0x770
[  655.514085]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  655.519387]  ? netdev_alloc_frag+0x1f0/0x1f0
[  655.523883]  ? lock_downgrade+0x900/0x900
[  655.528064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.533633]  ? refcount_sub_and_test_checked+0x203/0x310
[  655.539083]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  655.544528]  ? addrconf_rs_timer+0x690/0x690
[  655.548974]  ndisc_alloc_skb+0x144/0x340
[  655.553050]  ndisc_send_rs+0x331/0x6e0
[  655.556938]  addrconf_rs_timer+0x314/0x690
[  655.561173]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.565475]  call_timer_fn+0x272/0x920
[  655.569378]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.573628]  ? process_timeout+0x40/0x40
[  655.577710]  ? mark_held_locks+0xc7/0x130
[  655.581899]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.586404]  ? _raw_spin_unlock_irq+0x27/0x80
[  655.590932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.595177]  ? lockdep_hardirqs_on+0x296/0x5b0
[  655.599755]  ? trace_hardirqs_on+0xbd/0x310
[  655.604068]  ? kasan_check_read+0x11/0x20
[  655.608205]  ? __run_timers+0x7da/0xc70
[  655.612208]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.617328]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.621562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  655.625834]  __run_timers+0x7e5/0xc70
[  655.629643]  ? timer_fixup_init+0x70/0x70
[  655.633794]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  655.638812]  ? zap_class+0x640/0x640
[  655.642546]  ? print_usage_bug+0xc0/0xc0
[  655.646610]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  655.651797]  ? find_held_lock+0x36/0x1c0
[  655.655856]  ? zap_class+0x640/0x640
[  655.659583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.665135]  ? check_preemption_disabled+0x48/0x280
[  655.670170]  ? __lock_is_held+0xb5/0x140
[  655.674230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.679766]  ? check_preemption_disabled+0x48/0x280
[  655.684783]  run_timer_softirq+0x52/0xb0
[  655.688840]  ? rcu_read_lock_sched_held+0x14f/0x180
[  655.693886]  __do_softirq+0x308/0xb7e
[  655.697835]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  655.702576]  ? lock_downgrade+0x900/0x900
[  655.706727]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  655.711837]  ? pvclock_read_flags+0x160/0x160
[  655.716349]  ? lapic_next_event+0x5a/0x90
[  655.720500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.726047]  ? kvm_clock_read+0x18/0x30
[  655.730053]  ? kvm_sched_clock_read+0x9/0x20
[  655.734465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  655.740034]  ? check_preemption_disabled+0x48/0x280
[  655.745059]  irq_exit+0x17f/0x1c0
[  655.748512]  smp_apic_timer_interrupt+0x1cb/0x760
[  655.753359]  ? smp_call_function_single_interrupt+0x650/0x650
[  655.759244]  ? interrupt_entry+0xb5/0xc0
[  655.763307]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.768324]  ? trace_hardirqs_off_caller+0xbb/0x310
[  655.773452]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.778299]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.783315]  ? trace_hardirqs_on_caller+0x310/0x310
[  655.788333]  ? task_prio+0x50/0x50
[  655.791872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.797406]  ? check_preemption_disabled+0x48/0x280
[  655.802456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  655.807307]  apic_timer_interrupt+0xf/0x20
[  655.811528]  </IRQ>
[  655.813760] RIP: 0010:dump_stack+0x358/0x39d
[  655.818161] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  655.837056] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  655.844794] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  655.852060] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  655.859326] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  655.866632] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  655.873921] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  655.881218]  ? dump_stack+0x34f/0x39d
[  655.885029]  ? dump_stack_print_info.cold.1+0x20/0x20
[  655.890255]  ? mark_held_locks+0x130/0x130
[  655.894493]  ? mark_held_locks+0x130/0x130
[  655.898731]  dump_header+0x27b/0xf72
[  655.902464]  ? pagefault_out_of_memory+0x197/0x197
[  655.907399]  ? __lock_acquire+0x62f/0x4c20
[  655.911798]  ? percpu_ref_get_many+0x240/0x240
[  655.916516]  ? print_usage_bug+0xc0/0xc0
[  655.920583]  ? zap_class+0x640/0x640
[  655.924318]  ? print_usage_bug+0xc0/0xc0
[  655.928410]  ? print_usage_bug+0xc0/0xc0
[  655.932518]  ? zap_class+0x640/0x640
[  655.936274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  655.941850]  ? find_held_lock+0x36/0x1c0
[  655.945920]  ? mark_held_locks+0xc7/0x130
[  655.950101]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.955201]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  655.960308]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  655.964890]  ? trace_hardirqs_on+0xbd/0x310
[  655.969209]  ? kasan_check_read+0x11/0x20
[  655.973353]  ? ___ratelimit+0x3b4/0x672
[  655.977326]  ? trace_hardirqs_off_caller+0x310/0x310
[  655.982471]  ? trace_hardirqs_on+0x310/0x310
[  655.986893]  ? lock_downgrade+0x900/0x900
[  655.991050]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  655.996180]  ? ___ratelimit+0x3b9/0x672
[  656.000152]  ? idr_get_free+0xf70/0xf70
[  656.004123]  ? find_held_lock+0x36/0x1c0
[  656.008190]  oom_kill_process.cold.27+0x10/0x903
[  656.012950]  ? zap_class+0x640/0x640
[  656.016688]  ? check_preemption_disabled+0x48/0x280
[  656.021712]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.026639]  ? kasan_check_read+0x11/0x20
[  656.030784]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.036061]  ? oom_evaluate_task+0x540/0x540
[  656.040472]  ? find_held_lock+0x36/0x1c0
[  656.044541]  ? out_of_memory+0x974/0x1430
[  656.048689]  ? lock_downgrade+0x900/0x900
[  656.052837]  ? check_preemption_disabled+0x48/0x280
[  656.057871]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.062799]  ? kasan_check_read+0x11/0x20
[  656.066944]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.072219]  ? rcu_softirq_qs+0x20/0x20
[  656.076194]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.081723]  ? oom_evaluate_task+0x302/0x540
[  656.086131]  out_of_memory+0xa84/0x1430
[  656.090108]  ? oom_killer_disable+0x3a0/0x3a0
[  656.094604]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  656.099550]  ? __ww_mutex_check_waiters+0x160/0x160
[  656.104577]  __alloc_pages_slowpath+0x232c/0x2de0
[  656.109475]  ? warn_alloc+0x120/0x120
[  656.113274]  ? mark_held_locks+0x130/0x130
[  656.117521]  ? find_get_entry+0xaae/0x1120
[  656.121764]  ? filemap_map_pages+0x1a20/0x1a20
[  656.126352]  ? zap_class+0x640/0x640
[  656.130068]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  656.135600]  ? check_preemption_disabled+0x48/0x280
[  656.140619]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.146148]  ? should_fail+0x22d/0xd01
[  656.150041]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.155139]  ? zap_class+0x640/0x640
[  656.158874]  ? __lock_is_held+0xb5/0x140
[  656.162939]  ? mark_held_locks+0x130/0x130
[  656.167170]  ? lock_release+0xa00/0xa00
[  656.171138]  ? perf_trace_sched_process_exec+0x860/0x860
[  656.176583]  ? xa_load+0x2ba/0x460
[  656.180120]  ? lock_downgrade+0x900/0x900
[  656.184269]  ? __might_sleep+0x95/0x190
[  656.188249]  __alloc_pages_nodemask+0xad8/0xea0
[  656.192926]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  656.197953]  ? __page_cache_alloc+0x191/0x5c0
[  656.202447]  ? xa_load+0x2e1/0x460
[  656.205990]  ? xa_clear_mark+0x40/0x40
[  656.209887]  ? zap_class+0x640/0x640
[  656.213601]  ? zap_class+0x640/0x640
[  656.217310]  ? zap_class+0x640/0x640
[  656.221017]  ? __do_page_cache_readahead+0x663/0x810
[  656.226118]  ? find_held_lock+0x36/0x1c0
[  656.230174]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  656.235727]  alloc_pages_current+0x173/0x350
[  656.240169]  __page_cache_alloc+0x38c/0x5c0
[  656.244492]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.249419]  ? kasan_check_read+0x11/0x20
[  656.253572]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.258847]  ? generic_perform_write+0x6a0/0x6a0
[  656.263605]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.269141]  ? check_preemption_disabled+0x48/0x280
[  656.274161]  filemap_fault+0x1595/0x25f0
[  656.278227]  ? __lock_page_or_retry+0xa00/0xa00
[  656.282911]  ? mark_held_locks+0x130/0x130
[  656.287197]  ? filemap_map_pages+0xd6b/0x1a20
[  656.291688]  ? lock_downgrade+0x900/0x900
[  656.295831]  ? check_preemption_disabled+0x48/0x280
[  656.300861]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.305789]  ? kasan_check_read+0x11/0x20
[  656.309932]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.315203]  ? rcu_softirq_qs+0x20/0x20
[  656.319224]  ? filemap_map_pages+0xd92/0x1a20
[  656.323771]  ? find_get_entries_tag+0x1400/0x1400
[  656.328611]  ? __kernel_text_address+0xd/0x40
[  656.333104]  ? unwind_get_return_address+0x61/0xa0
[  656.338042]  ? lock_acquire+0x1ed/0x520
[  656.342013]  ? ext4_filemap_fault+0x7a/0xad
[  656.346333]  ? lock_release+0xa00/0xa00
[  656.350304]  ? perf_trace_sched_process_exec+0x860/0x860
[  656.355750]  ? print_usage_bug+0xc0/0xc0
[  656.359822]  ? print_usage_bug+0xc0/0xc0
[  656.363879]  ? __x64_sys_read+0x73/0xb0
[  656.367869]  ? print_usage_bug+0xc0/0xc0
[  656.371938]  ? down_read+0x8d/0x120
[  656.375584]  ? ext4_filemap_fault+0x7a/0xad
[  656.379918]  ? __down_interruptible+0x700/0x700
[  656.384590]  ext4_filemap_fault+0x82/0xad
[  656.388734]  __do_fault+0x100/0x6b0
[  656.392359]  ? trace_hardirqs_on+0xbd/0x310
[  656.396682]  ? pmd_devmap_trans_unstable+0x220/0x220
[  656.402003]  ? mark_held_locks+0x130/0x130
[  656.406238]  ? mark_held_locks+0x130/0x130
[  656.410469]  ? do_syslog+0x147b/0x1690
[  656.414355]  ? do_syslog+0x309/0x1690
[  656.418150]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.423691]  __handle_mm_fault+0x3ea0/0x5be0
[  656.428108]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  656.432952]  ? find_held_lock+0x36/0x1c0
[  656.437031]  ? zap_class+0x640/0x640
[  656.440744]  ? zap_class+0x640/0x640
[  656.444464]  ? find_held_lock+0x36/0x1c0
[  656.448680]  ? handle_mm_fault+0x42a/0xc70
[  656.452988]  ? lock_downgrade+0x900/0x900
[  656.457144]  ? check_preemption_disabled+0x48/0x280
[  656.462460]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  656.467478]  ? kasan_check_read+0x11/0x20
[  656.471620]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  656.477060]  ? rcu_softirq_qs+0x20/0x20
[  656.481048]  ? trace_hardirqs_off_caller+0x310/0x310
[  656.486149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.491678]  ? check_preemption_disabled+0x48/0x280
[  656.496812]  handle_mm_fault+0x54f/0xc70
[  656.500895]  ? __handle_mm_fault+0x5be0/0x5be0
[  656.505487]  ? find_vma+0x34/0x190
[  656.509034]  __do_page_fault+0x5e8/0xe60
[  656.513102]  ? trace_hardirqs_off+0xb8/0x310
[  656.517567]  ? kernel_write+0x120/0x120
[  656.521552]  do_page_fault+0xf2/0x7e0
[  656.525364]  ? vmalloc_sync_all+0x30/0x30
[  656.529527]  ? error_entry+0x70/0xd0
[  656.533253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  656.538270]  ? trace_hardirqs_on_caller+0xc0/0x310
[  656.543203]  ? syscall_return_slowpath+0x5e0/0x5e0
[  656.548131]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.553498]  ? trace_hardirqs_on_caller+0x310/0x310
[  656.558706]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  656.564175]  ? prepare_exit_to_usermode+0x291/0x3b0
[  656.569193]  ? page_fault+0x8/0x30
[  656.572753]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  656.577601]  ? page_fault+0x8/0x30
[  656.581142]  page_fault+0x1e/0x30
[  656.584590] RIP: 0033:0x7fe9f4ff21fd
[  656.588321] Code: Bad RIP value.
[  656.591681] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  656.597043] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  656.604339] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  656.611607] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  656.618871] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  656.626137] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  656.633447] warn_alloc_show_mem: 1 callbacks suppressed
[  656.633459] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  656.633461] Mem-Info:
[  656.633491] active_anon:43385 inactive_anon:190 isolated_anon:0
[  656.633491]  active_file:9 inactive_file:19 isolated_file:0
[  656.633491]  unevictable:0 dirty:0 writeback:0 unstable:0
[  656.633491]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  656.633491]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  656.633491]  free:13722 free_pcp:438 free_cma:0
[  656.638834] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  656.645935] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  656.648332] Call Trace:
[  656.681135] 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
[  656.690475]  <IRQ>
[  656.717948] lowmem_reserve[]: 0 2818 6321 6321
[  656.720531]  dump_stack+0x244/0x39d
[  656.746611] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  656.748753]  ? dump_stack_print_info.cold.1+0x20/0x20
[  656.753298] lowmem_reserve[]: 0 0 3503 3503
[  656.756928]  warn_alloc.cold.116+0xb7/0x1bd
[  656.784232] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  656.789410]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  656.793696] lowmem_reserve[]: 0 0 0 0
[  656.798010]  ? lock_downgrade+0x900/0x900
[  656.826955] 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
[  656.831814]  ? trace_hardirqs_off+0xb8/0x310
[  656.835587] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  656.839726]  ? trace_hardirqs_off+0xb8/0x310
[  656.853219] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  656.857622]  __alloc_pages_slowpath+0x2651/0x2de0
[  656.872594] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  656.877012]  ? warn_alloc+0x120/0x120
[  656.892493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  656.897320]  ? warn_alloc+0x120/0x120
[  656.906652] 272 total pagecache pages
[  656.910483]  ? __lock_acquire+0x62f/0x4c20
[  656.919039] 0 pages in swap cache
[  656.922844]  ? warn_alloc+0x120/0x120
[  656.926622] Swap cache stats: add 0, delete 0, find 0/0
[  656.930845]  ? print_usage_bug+0xc0/0xc0
[  656.934292] Free swap  = 0kB
[  656.938093]  ? print_usage_bug+0xc0/0xc0
[  656.943444] Total swap = 0kB
[  656.947498]  ? mark_held_locks+0x130/0x130
[  656.950503] 1965979 pages RAM
[  656.954557]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  656.957550] 0 pages HighMem/MovableOnly
[  656.961784]  ? should_fail+0x22d/0xd01
[  656.964857] 342854 pages reserved
[  656.970384]  ? zap_class+0x640/0x640
[  656.974330] 0 pages cma reserved
[  656.978208]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  656.981714] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  656.985364]  ? __lock_acquire+0x62f/0x4c20
[  656.988763] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  656.993807]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.000273] rsyslogd cpuset=/ mems_allowed=0
[  657.004502]  ? should_fail+0x22d/0xd01
[  657.027928]  ? mark_held_locks+0x130/0x130
[  657.032166]  ? mark_held_locks+0x130/0x130
[  657.036433]  ? lock_downgrade+0x900/0x900
[  657.040580]  ? zap_class+0x640/0x640
[  657.044309]  ? zap_class+0x640/0x640
[  657.048048]  ? zap_class+0x640/0x640
[  657.051755]  ? do_raw_spin_unlock+0xa7/0x330
[  657.056168]  ? trace_hardirqs_on+0x310/0x310
[  657.060576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.066113]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.071651]  ? check_preemption_disabled+0x48/0x280
[  657.076674]  ? __lock_is_held+0xb5/0x140
[  657.080765]  __alloc_pages_nodemask+0xad8/0xea0
[  657.085460]  ? zap_class+0x640/0x640
[  657.089227]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  657.094253]  ? find_held_lock+0x36/0x1c0
[  657.098319]  ? ____cache_alloc_node+0x1c7/0x1e0
[  657.103013]  ? lock_downgrade+0x900/0x900
[  657.107159]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.112698]  cache_grow_begin+0xa5/0x8c0
[  657.116808]  ? do_raw_spin_unlock+0xa7/0x330
[  657.121225]  fallback_alloc+0x204/0x2e0
[  657.125210]  ____cache_alloc_node+0x1c7/0x1e0
[  657.129725]  kmem_cache_alloc_node+0xe3/0x730
[  657.134272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  657.138881]  __alloc_skb+0x119/0x770
[  657.142592]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  657.147955]  ? netdev_alloc_frag+0x1f0/0x1f0
[  657.152368]  ? vprintk_default+0x28/0x30
[  657.156424]  ? vprintk_func+0x85/0x181
[  657.160317]  ? printk+0xa7/0xcf
[  657.163620]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  657.168377]  ? do_raw_spin_trylock+0x270/0x270
[  657.172962]  new_skb+0x26/0x1c0
[  657.176238]  aoecmd_cfg+0x279/0x7f0
[  657.179886]  ? find_held_lock+0x36/0x1c0
[  657.183960]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  657.188312]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.193860]  ? __lock_is_held+0xb5/0x140
[  657.197932]  discover_timer+0x50/0x60
[  657.201747]  call_timer_fn+0x272/0x920
[  657.205634]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  657.210472]  ? process_timeout+0x40/0x40
[  657.214535]  ? __run_timers+0x7da/0xc70
[  657.218507]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.222998]  ? _raw_spin_unlock_irq+0x27/0x80
[  657.227488]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  657.232325]  ? lockdep_hardirqs_on+0x296/0x5b0
[  657.236904]  ? trace_hardirqs_on+0xbd/0x310
[  657.241222]  ? kasan_check_read+0x11/0x20
[  657.245365]  ? __run_timers+0x7da/0xc70
[  657.249353]  ? trace_hardirqs_off_caller+0x310/0x310
[  657.254472]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  657.259337]  __run_timers+0x7e5/0xc70
[  657.263160]  ? timer_fixup_init+0x70/0x70
[  657.267306]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  657.272323]  ? zap_class+0x640/0x640
[  657.276040]  ? enqueue_hrtimer+0x1a5/0x560
[  657.280277]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  657.285472]  ? find_held_lock+0x36/0x1c0
[  657.289539]  ? zap_class+0x640/0x640
[  657.293254]  ? pvclock_read_flags+0x160/0x160
[  657.297747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.303295]  ? check_preemption_disabled+0x48/0x280
[  657.308323]  ? __lock_is_held+0xb5/0x140
[  657.312382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.317921]  ? check_preemption_disabled+0x48/0x280
[  657.322945]  run_timer_softirq+0x52/0xb0
[  657.327025]  ? rcu_read_lock_sched_held+0x14f/0x180
[  657.332045]  __do_softirq+0x308/0xb7e
[  657.335847]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  657.340338]  ? lock_downgrade+0x900/0x900
[  657.344496]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  657.349603]  ? pvclock_read_flags+0x160/0x160
[  657.354119]  ? lapic_next_event+0x5a/0x90
[  657.358267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.363899]  ? kvm_clock_read+0x18/0x30
[  657.367906]  ? kvm_sched_clock_read+0x9/0x20
[  657.372332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.377885]  ? check_preemption_disabled+0x48/0x280
[  657.382960]  irq_exit+0x17f/0x1c0
[  657.386414]  smp_apic_timer_interrupt+0x1cb/0x760
[  657.391262]  ? smp_reschedule_interrupt+0x109/0x650
[  657.396277]  ? smp_call_function_single_interrupt+0x650/0x650
[  657.402750]  ? interrupt_entry+0xb5/0xc0
[  657.406868]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.411891]  ? trace_hardirqs_off_caller+0xbb/0x310
[  657.416911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.421752]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.426767]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.431796]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.436659]  apic_timer_interrupt+0xf/0x20
[  657.440902]  </IRQ>
[  657.443138] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  657.448068] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  657.466963] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  657.474678] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  657.481938] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  657.489200] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  657.496467] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  657.503750] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  657.511064]  skb_clone+0x1bb/0x500
[  657.514604]  ? finish_task_switch+0x2f4/0x910
[  657.519098]  ? skb_split+0x11e0/0x11e0
[  657.523026]  ? preempt_notifier_register+0x200/0x200
[  657.528127]  ? __switch_to_asm+0x34/0x70
[  657.532187]  ? __switch_to_asm+0x34/0x70
[  657.536246]  ? __switch_to_asm+0x40/0x70
[  657.540302]  ? __switch_to_asm+0x34/0x70
[  657.544366]  ? __switch_to_asm+0x40/0x70
[  657.548425]  ? __switch_to_asm+0x34/0x70
[  657.552492]  ? __switch_to_asm+0x40/0x70
[  657.556548]  ? __switch_to_asm+0x34/0x70
[  657.560604]  ? __switch_to_asm+0x34/0x70
[  657.564678]  ? __switch_to_asm+0x40/0x70
[  657.568740]  ? __switch_to_asm+0x34/0x70
[  657.572808]  bpf_clone_redirect+0xb9/0x490
[  657.577041]  ? __schedule+0x8d7/0x21d0
[  657.580933]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  657.585949]  ? __sched_text_start+0x8/0x8
[  657.590138]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  657.594719]  ? retint_kernel+0x2d/0x2d
[  657.598610]  ? trace_hardirqs_on_caller+0xc0/0x310
[  657.603559]  ? find_held_lock+0x36/0x1c0
[  657.607634]  ? lock_acquire+0x1ed/0x520
[  657.611610]  ? bpf_test_run+0x3ee/0x7a0
[  657.615585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.621122]  ? check_preemption_disabled+0x48/0x280
[  657.626146]  ? kasan_check_read+0x11/0x20
[  657.630308]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  657.635583]  ? rcu_softirq_qs+0x20/0x20
[  657.639558]  ? preempt_schedule+0x4d/0x60
[  657.643713]  ? ___preempt_schedule+0x16/0x18
[  657.648131]  ? bpf_test_run+0x271/0x7a0
[  657.652116]  ? netlink_diag_dump+0x2a0/0x2a0
[  657.656530]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.662068]  ? bpf_test_init.isra.10+0x70/0x100
[  657.666760]  ? bpf_prog_test_run_skb+0x762/0xd60
[  657.671529]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.676377]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  657.681933]  ? fput+0x130/0x1a0
[  657.685222]  ? __bpf_prog_get+0x9b/0x290
[  657.689290]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  657.694131]  ? bpf_prog_test_run+0x130/0x1a0
[  657.698549]  ? __x64_sys_bpf+0x3d8/0x520
[  657.702608]  ? bpf_prog_get+0x20/0x20
[  657.706436]  ? do_syscall_64+0x1b9/0x820
[  657.710496]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  657.715861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  657.720799]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.725662]  ? trace_hardirqs_on_caller+0x310/0x310
[  657.730698]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  657.735734]  ? prepare_exit_to_usermode+0x291/0x3b0
[  657.740759]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  657.745616]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  657.750997] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  657.751061] aoe: skb alloc failure
[  657.757750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  657.757758] Call Trace:
[  657.761346] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  657.770634]  <IRQ>
[  657.773217] syz-executor4 cpuset=syz4 mems_allowed=0
[  657.783826]  dump_stack+0x244/0x39d
[  657.794687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  657.799890]  warn_alloc.cold.116+0xb7/0x1bd
[  657.804210]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  657.809052]  ? lock_downgrade+0x900/0x900
[  657.813203]  ? trace_hardirqs_off+0xb8/0x310
[  657.817617]  ? trace_hardirqs_off+0xb8/0x310
[  657.822033]  __alloc_pages_slowpath+0x2651/0x2de0
[  657.826990]  ? warn_alloc+0x120/0x120
[  657.830825]  ? print_usage_bug+0xc0/0xc0
[  657.834924]  ? warn_alloc+0x120/0x120
[  657.838760]  ? warn_alloc+0x120/0x120
[  657.842557]  ? print_usage_bug+0xc0/0xc0
[  657.846620]  ? print_usage_bug+0xc0/0xc0
[  657.850677]  ? __lock_acquire+0x62f/0x4c20
[  657.854911]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  657.860464]  ? should_fail+0x22d/0xd01
[  657.864379]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.869477]  ? __lock_acquire+0x62f/0x4c20
[  657.873712]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  657.878812]  ? __lock_acquire+0x62f/0x4c20
[  657.883055]  ? should_fail+0x22d/0xd01
[  657.886958]  ? find_held_lock+0x36/0x1c0
[  657.891046]  ? mark_held_locks+0x130/0x130
[  657.895321]  ? mark_held_locks+0x130/0x130
[  657.899554]  ? zap_class+0x640/0x640
[  657.903268]  ? zap_class+0x640/0x640
[  657.906990]  ? print_usage_bug+0xc0/0xc0
[  657.911050]  ? do_raw_spin_unlock+0xa7/0x330
[  657.915482]  ? zap_class+0x640/0x640
[  657.919210]  ? print_usage_bug+0xc0/0xc0
[  657.923295]  ? wq_watchdog_touch+0x9c/0xfe
[  657.927527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.933067]  ? check_preemption_disabled+0x48/0x280
[  657.938112]  ? __lock_is_held+0xb5/0x140
[  657.942186]  __alloc_pages_nodemask+0xad8/0xea0
[  657.946871]  ? zap_class+0x640/0x640
[  657.950589]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  657.955612]  ? find_held_lock+0x36/0x1c0
[  657.959684]  ? ____cache_alloc_node+0x1c7/0x1e0
[  657.964351]  ? lock_downgrade+0x900/0x900
[  657.968504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  657.974057]  cache_grow_begin+0xa5/0x8c0
[  657.978132]  ? do_raw_spin_unlock+0xa7/0x330
[  657.982545]  fallback_alloc+0x204/0x2e0
[  657.986531]  ____cache_alloc_node+0x1c7/0x1e0
[  657.991157]  kmem_cache_alloc_node+0xe3/0x730
[  657.995692]  ? ipv6_get_ifaddr+0x42e/0x620
[  657.999976]  __alloc_skb+0x119/0x770
[  658.003695]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.008980]  ? netdev_alloc_frag+0x1f0/0x1f0
[  658.013392]  ? lock_downgrade+0x900/0x900
[  658.017561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.023250]  ? refcount_sub_and_test_checked+0x203/0x310
[  658.028829]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  658.034378]  ? addrconf_rs_timer+0x690/0x690
[  658.039060]  ndisc_alloc_skb+0x144/0x340
[  658.043138]  ndisc_send_rs+0x331/0x6e0
[  658.047063]  addrconf_rs_timer+0x314/0x690
[  658.051309]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.055558]  call_timer_fn+0x272/0x920
[  658.059450]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.063684]  ? process_timeout+0x40/0x40
[  658.067759]  ? mark_held_locks+0xc7/0x130
[  658.071907]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.076399]  ? _raw_spin_unlock_irq+0x27/0x80
[  658.080903]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.085138]  ? lockdep_hardirqs_on+0x296/0x5b0
[  658.089723]  ? trace_hardirqs_on+0xbd/0x310
[  658.094048]  ? kasan_check_read+0x11/0x20
[  658.098196]  ? __run_timers+0x7da/0xc70
[  658.102171]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.107305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  658.111537]  __run_timers+0x7e5/0xc70
[  658.115346]  ? timer_fixup_init+0x70/0x70
[  658.119494]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  658.124511]  ? zap_class+0x640/0x640
[  658.128242]  ? print_usage_bug+0xc0/0xc0
[  658.132303]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  658.137513]  ? find_held_lock+0x36/0x1c0
[  658.141578]  ? zap_class+0x640/0x640
[  658.145298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.150852]  ? check_preemption_disabled+0x48/0x280
[  658.155880]  ? __lock_is_held+0xb5/0x140
[  658.159943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.165482]  ? check_preemption_disabled+0x48/0x280
[  658.170499]  run_timer_softirq+0x52/0xb0
[  658.174555]  ? rcu_read_lock_sched_held+0x14f/0x180
[  658.179570]  __do_softirq+0x308/0xb7e
[  658.183372]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  658.187880]  ? lock_downgrade+0x900/0x900
[  658.192029]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  658.197138]  ? pvclock_read_flags+0x160/0x160
[  658.201636]  ? lapic_next_event+0x5a/0x90
[  658.205798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.211394]  ? kvm_clock_read+0x18/0x30
[  658.215376]  ? kvm_sched_clock_read+0x9/0x20
[  658.219786]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.225323]  ? check_preemption_disabled+0x48/0x280
[  658.230348]  irq_exit+0x17f/0x1c0
[  658.233798]  smp_apic_timer_interrupt+0x1cb/0x760
[  658.238641]  ? smp_call_function_single_interrupt+0x650/0x650
[  658.244523]  ? interrupt_entry+0xb5/0xc0
[  658.248587]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.253597]  ? trace_hardirqs_off_caller+0xbb/0x310
[  658.258613]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.263462]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.268493]  ? trace_hardirqs_on_caller+0x310/0x310
[  658.273511]  ? task_prio+0x50/0x50
[  658.277064]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.282627]  ? check_preemption_disabled+0x48/0x280
[  658.287651]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  658.292499]  apic_timer_interrupt+0xf/0x20
[  658.296724]  </IRQ>
[  658.298964] RIP: 0010:dump_stack+0x358/0x39d
[  658.303383] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  658.322298] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  658.330012] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  658.337296] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  658.344560] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  658.351860] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  658.359133] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  658.366415]  ? dump_stack+0x34f/0x39d
[  658.370235]  ? dump_stack_print_info.cold.1+0x20/0x20
[  658.375438]  ? mark_held_locks+0x130/0x130
[  658.379683]  ? mark_held_locks+0x130/0x130
[  658.383924]  dump_header+0x27b/0xf72
[  658.387651]  ? pagefault_out_of_memory+0x197/0x197
[  658.392589]  ? __lock_acquire+0x62f/0x4c20
[  658.396824]  ? percpu_ref_get_many+0x240/0x240
[  658.401465]  ? print_usage_bug+0xc0/0xc0
[  658.405539]  ? zap_class+0x640/0x640
[  658.409258]  ? print_usage_bug+0xc0/0xc0
[  658.413319]  ? print_usage_bug+0xc0/0xc0
[  658.417381]  ? zap_class+0x640/0x640
[  658.421098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.426643]  ? find_held_lock+0x36/0x1c0
[  658.430716]  ? mark_held_locks+0xc7/0x130
[  658.434895]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.440001]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  658.445126]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  658.449707]  ? trace_hardirqs_on+0xbd/0x310
[  658.454026]  ? kasan_check_read+0x11/0x20
[  658.458189]  ? ___ratelimit+0x3b4/0x672
[  658.462180]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.467290]  ? trace_hardirqs_on+0x310/0x310
[  658.471715]  ? lock_downgrade+0x900/0x900
[  658.475886]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  658.480991]  ? ___ratelimit+0x3b9/0x672
[  658.484974]  ? idr_get_free+0xf70/0xf70
[  658.488962]  ? find_held_lock+0x36/0x1c0
[  658.493032]  oom_kill_process.cold.27+0x10/0x903
[  658.497790]  ? zap_class+0x640/0x640
[  658.501531]  ? check_preemption_disabled+0x48/0x280
[  658.506585]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.511541]  ? kasan_check_read+0x11/0x20
[  658.515691]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.520969]  ? oom_evaluate_task+0x540/0x540
[  658.525383]  ? find_held_lock+0x36/0x1c0
[  658.529456]  ? out_of_memory+0x974/0x1430
[  658.533605]  ? lock_downgrade+0x900/0x900
[  658.537752]  ? check_preemption_disabled+0x48/0x280
[  658.542775]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.547702]  ? kasan_check_read+0x11/0x20
[  658.551848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.557127]  ? rcu_softirq_qs+0x20/0x20
[  658.561107]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.566689]  ? oom_evaluate_task+0x302/0x540
[  658.571211]  out_of_memory+0xa84/0x1430
[  658.575215]  ? oom_killer_disable+0x3a0/0x3a0
[  658.579718]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  658.584653]  ? __ww_mutex_check_waiters+0x160/0x160
[  658.589683]  __alloc_pages_slowpath+0x232c/0x2de0
[  658.594747]  ? warn_alloc+0x120/0x120
[  658.598562]  ? mark_held_locks+0x130/0x130
[  658.602819]  ? find_get_entry+0xaae/0x1120
[  658.607071]  ? filemap_map_pages+0x1a20/0x1a20
[  658.611659]  ? zap_class+0x640/0x640
[  658.615396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  658.620947]  ? check_preemption_disabled+0x48/0x280
[  658.625965]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.631504]  ? should_fail+0x22d/0xd01
[  658.635402]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  658.640517]  ? zap_class+0x640/0x640
[  658.644256]  ? __lock_is_held+0xb5/0x140
[  658.648332]  ? mark_held_locks+0x130/0x130
[  658.652572]  ? lock_release+0xa00/0xa00
[  658.656546]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.661995]  ? xa_load+0x2ba/0x460
[  658.665534]  ? lock_downgrade+0x900/0x900
[  658.669702]  ? __might_sleep+0x95/0x190
[  658.673680]  __alloc_pages_nodemask+0xad8/0xea0
[  658.678353]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  658.683368]  ? __page_cache_alloc+0x191/0x5c0
[  658.687859]  ? xa_load+0x2e1/0x460
[  658.691424]  ? xa_clear_mark+0x40/0x40
[  658.695338]  ? zap_class+0x640/0x640
[  658.699053]  ? zap_class+0x640/0x640
[  658.702761]  ? zap_class+0x640/0x640
[  658.706483]  ? __do_page_cache_readahead+0x663/0x810
[  658.711629]  ? find_held_lock+0x36/0x1c0
[  658.715687]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  658.721246]  alloc_pages_current+0x173/0x350
[  658.725654]  __page_cache_alloc+0x38c/0x5c0
[  658.730002]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.734930]  ? kasan_check_read+0x11/0x20
[  658.739073]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.744346]  ? generic_perform_write+0x6a0/0x6a0
[  658.749097]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.754629]  ? check_preemption_disabled+0x48/0x280
[  658.759646]  filemap_fault+0x1595/0x25f0
[  658.763711]  ? __lock_page_or_retry+0xa00/0xa00
[  658.768379]  ? mark_held_locks+0x130/0x130
[  658.772646]  ? filemap_map_pages+0xd6b/0x1a20
[  658.777150]  ? lock_downgrade+0x900/0x900
[  658.781298]  ? check_preemption_disabled+0x48/0x280
[  658.786327]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.791249]  ? kasan_check_read+0x11/0x20
[  658.795394]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.800678]  ? rcu_softirq_qs+0x20/0x20
[  658.804671]  ? filemap_map_pages+0xd92/0x1a20
[  658.809171]  ? find_get_entries_tag+0x1400/0x1400
[  658.814021]  ? __kernel_text_address+0xd/0x40
[  658.818518]  ? unwind_get_return_address+0x61/0xa0
[  658.823512]  ? lock_acquire+0x1ed/0x520
[  658.827498]  ? ext4_filemap_fault+0x7a/0xad
[  658.831821]  ? lock_release+0xa00/0xa00
[  658.835789]  ? perf_trace_sched_process_exec+0x860/0x860
[  658.841253]  ? print_usage_bug+0xc0/0xc0
[  658.845319]  ? print_usage_bug+0xc0/0xc0
[  658.849375]  ? __x64_sys_read+0x73/0xb0
[  658.853346]  ? print_usage_bug+0xc0/0xc0
[  658.857436]  ? down_read+0x8d/0x120
[  658.861157]  ? ext4_filemap_fault+0x7a/0xad
[  658.865617]  ? __down_interruptible+0x700/0x700
[  658.870331]  ext4_filemap_fault+0x82/0xad
[  658.874481]  __do_fault+0x100/0x6b0
[  658.878105]  ? trace_hardirqs_on+0xbd/0x310
[  658.882454]  ? pmd_devmap_trans_unstable+0x220/0x220
[  658.887557]  ? mark_held_locks+0x130/0x130
[  658.891788]  ? mark_held_locks+0x130/0x130
[  658.896038]  ? do_syslog+0x147b/0x1690
[  658.900083]  ? do_syslog+0x309/0x1690
[  658.903881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.909949]  __handle_mm_fault+0x3ea0/0x5be0
[  658.914364]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  658.919208]  ? find_held_lock+0x36/0x1c0
[  658.923293]  ? zap_class+0x640/0x640
[  658.927035]  ? zap_class+0x640/0x640
[  658.930752]  ? find_held_lock+0x36/0x1c0
[  658.934835]  ? handle_mm_fault+0x42a/0xc70
[  658.939090]  ? lock_downgrade+0x900/0x900
[  658.943237]  ? check_preemption_disabled+0x48/0x280
[  658.948256]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  658.953188]  ? kasan_check_read+0x11/0x20
[  658.957332]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  658.962619]  ? rcu_softirq_qs+0x20/0x20
[  658.966592]  ? trace_hardirqs_off_caller+0x310/0x310
[  658.971695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  658.977228]  ? check_preemption_disabled+0x48/0x280
[  658.982245]  handle_mm_fault+0x54f/0xc70
[  658.986308]  ? __handle_mm_fault+0x5be0/0x5be0
[  658.990890]  ? find_vma+0x34/0x190
[  658.994444]  __do_page_fault+0x5e8/0xe60
[  658.998506]  ? trace_hardirqs_off+0xb8/0x310
[  659.002911]  ? kernel_write+0x120/0x120
[  659.006910]  do_page_fault+0xf2/0x7e0
[  659.010712]  ? vmalloc_sync_all+0x30/0x30
[  659.014880]  ? error_entry+0x70/0xd0
[  659.018600]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.023616]  ? trace_hardirqs_on_caller+0xc0/0x310
[  659.028546]  ? syscall_return_slowpath+0x5e0/0x5e0
[  659.033475]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.038333]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.043351]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  659.048805]  ? prepare_exit_to_usermode+0x291/0x3b0
[  659.053824]  ? page_fault+0x8/0x30
[  659.057366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.062210]  ? page_fault+0x8/0x30
[  659.065777]  page_fault+0x1e/0x30
[  659.069240] RIP: 0033:0x7fe9f4ff21fd
[  659.072963] Code: Bad RIP value.
[  659.076325] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  659.081685] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  659.088950] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  659.096215] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  659.103480] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  659.110744] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  659.118026] warn_alloc_show_mem: 1 callbacks suppressed
[  659.118037] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  659.118039] Mem-Info:
[  659.118065] active_anon:43385 inactive_anon:190 isolated_anon:0
[  659.118065]  active_file:9 inactive_file:19 isolated_file:0
[  659.118065]  unevictable:0 dirty:0 writeback:0 unstable:0
[  659.118065]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  659.118065]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  659.118065]  free:13722 free_pcp:438 free_cma:0
[  659.123404] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  659.130500] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  659.132914] Call Trace:
[  659.165690] 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
[  659.175027]  <IRQ>
[  659.202495] lowmem_reserve[]: 0 2818 6321 6321
[  659.205093]  dump_stack+0x244/0x39d
[  659.231176] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  659.233353]  ? dump_stack_print_info.cold.1+0x20/0x20
[  659.237902] lowmem_reserve[]: 0 0 3503 3503
[  659.241536]  warn_alloc.cold.116+0xb7/0x1bd
[  659.268822] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  659.274046]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  659.278337] lowmem_reserve[]: 0 0 0 0
[  659.282663]  ? lock_downgrade+0x900/0x900
[  659.311608] 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
[  659.316448]  ? trace_hardirqs_off+0xb8/0x310
[  659.320231] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  659.324395]  ? trace_hardirqs_off+0xb8/0x310
[  659.338151] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  659.342554]  __alloc_pages_slowpath+0x2651/0x2de0
[  659.357617] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  659.362044]  ? warn_alloc+0x120/0x120
[  659.377521] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  659.382352]  ? warn_alloc+0x120/0x120
[  659.391159] 272 total pagecache pages
[  659.394951]  ? warn_alloc+0x120/0x120
[  659.403506] 0 pages in swap cache
[  659.407296]  ? print_usage_bug+0xc0/0xc0
[  659.411090] Swap cache stats: add 0, delete 0, find 0/0
[  659.414894]  ? print_usage_bug+0xc0/0xc0
[  659.418338] Free swap  = 0kB
[  659.422388]  ? ktime_get+0x2c1/0x400
[  659.427722] Total swap = 0kB
[  659.431770]  ? check_preemption_disabled+0x48/0x280
[  659.434757] 1965979 pages RAM
[  659.438464]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.441454] 0 pages HighMem/MovableOnly
[  659.441461] 342854 pages reserved
[  659.446471]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  659.449549] 0 pages cma reserved
[  659.454035]  ? should_fail+0x22d/0xd01
[  659.458057] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  659.461448]  ? kasan_check_read+0x11/0x20
[  659.461465]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.461480]  ? __lock_acquire+0x62f/0x4c20
[  659.467118] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  659.470388]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  659.474251] rsyslogd cpuset=/ mems_allowed=0
[  659.480735]  ? should_fail+0x22d/0xd01
[  659.517540]  ? print_usage_bug+0xc0/0xc0
[  659.521602]  ? mark_held_locks+0x130/0x130
[  659.525834]  ? mark_held_locks+0x130/0x130
[  659.530061]  ? check_preemption_disabled+0x48/0x280
[  659.535097]  ? zap_class+0x640/0x640
[  659.538855]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  659.543606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.549136]  ? check_preemption_disabled+0x48/0x280
[  659.554167]  ? __lock_is_held+0xb5/0x140
[  659.558239]  __alloc_pages_nodemask+0xad8/0xea0
[  659.562898]  ? zap_class+0x640/0x640
[  659.566608]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  659.571625]  ? find_held_lock+0x36/0x1c0
[  659.575714]  ? ____cache_alloc_node+0x1c7/0x1e0
[  659.580373]  ? lock_downgrade+0x900/0x900
[  659.584530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.590094]  cache_grow_begin+0xa5/0x8c0
[  659.594165]  ? do_raw_spin_unlock+0xa7/0x330
[  659.598608]  fallback_alloc+0x204/0x2e0
[  659.602580]  ____cache_alloc_node+0x1c7/0x1e0
[  659.607085]  kmem_cache_alloc_node+0xe3/0x730
[  659.611574]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.616190]  __alloc_skb+0x119/0x770
[  659.619916]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  659.625289]  ? netdev_alloc_frag+0x1f0/0x1f0
[  659.629718]  ? vprintk_default+0x28/0x30
[  659.633821]  ? vprintk_func+0x85/0x181
[  659.637728]  ? printk+0xa7/0xcf
[  659.641008]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  659.645770]  ? do_raw_spin_trylock+0x270/0x270
[  659.650359]  new_skb+0x26/0x1c0
[  659.653639]  aoecmd_cfg+0x279/0x7f0
[  659.657276]  ? find_held_lock+0x36/0x1c0
[  659.661337]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  659.665665]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.671212]  ? __lock_is_held+0xb5/0x140
[  659.675300]  discover_timer+0x50/0x60
[  659.679102]  call_timer_fn+0x272/0x920
[  659.682995]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.687839]  ? process_timeout+0x40/0x40
[  659.691907]  ? __run_timers+0x7da/0xc70
[  659.695887]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.700383]  ? _raw_spin_unlock_irq+0x27/0x80
[  659.704880]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.709721]  ? lockdep_hardirqs_on+0x296/0x5b0
[  659.714304]  ? trace_hardirqs_on+0xbd/0x310
[  659.718625]  ? kasan_check_read+0x11/0x20
[  659.722772]  ? __run_timers+0x7da/0xc70
[  659.726759]  ? trace_hardirqs_off_caller+0x310/0x310
[  659.731880]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  659.736734]  __run_timers+0x7e5/0xc70
[  659.740548]  ? timer_fixup_init+0x70/0x70
[  659.744700]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  659.749732]  ? zap_class+0x640/0x640
[  659.753455]  ? enqueue_hrtimer+0x1a5/0x560
[  659.757691]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  659.762888]  ? find_held_lock+0x36/0x1c0
[  659.766956]  ? zap_class+0x640/0x640
[  659.770676]  ? pvclock_read_flags+0x160/0x160
[  659.775703]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.781241]  ? check_preemption_disabled+0x48/0x280
[  659.786264]  ? __lock_is_held+0xb5/0x140
[  659.790326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.795867]  ? check_preemption_disabled+0x48/0x280
[  659.800898]  run_timer_softirq+0x52/0xb0
[  659.804959]  ? rcu_read_lock_sched_held+0x14f/0x180
[  659.809975]  __do_softirq+0x308/0xb7e
[  659.813785]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  659.818276]  ? lock_downgrade+0x900/0x900
[  659.822450]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  659.827580]  ? pvclock_read_flags+0x160/0x160
[  659.832105]  ? lapic_next_event+0x5a/0x90
[  659.836257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.841806]  ? kvm_clock_read+0x18/0x30
[  659.845832]  ? kvm_sched_clock_read+0x9/0x20
[  659.850261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  659.855818]  ? check_preemption_disabled+0x48/0x280
[  659.860846]  irq_exit+0x17f/0x1c0
[  659.864299]  smp_apic_timer_interrupt+0x1cb/0x760
[  659.869140]  ? smp_reschedule_interrupt+0x109/0x650
[  659.874158]  ? smp_call_function_single_interrupt+0x650/0x650
[  659.880042]  ? interrupt_entry+0xb5/0xc0
[  659.884109]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.889126]  ? trace_hardirqs_off_caller+0xbb/0x310
[  659.894141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.898984]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.903999]  ? trace_hardirqs_on_caller+0x310/0x310
[  659.909046]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  659.913927]  apic_timer_interrupt+0xf/0x20
[  659.918154]  </IRQ>
[  659.920410] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  659.925344] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  659.944259] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  659.951966] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  659.959241] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  659.966502] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  659.973769] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  659.981071] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  659.988384]  skb_clone+0x1bb/0x500
[  659.991927]  ? finish_task_switch+0x2f4/0x910
[  659.996420]  ? skb_split+0x11e0/0x11e0
[  660.000312]  ? preempt_notifier_register+0x200/0x200
[  660.005420]  ? __switch_to_asm+0x34/0x70
[  660.009498]  ? __switch_to_asm+0x34/0x70
[  660.013572]  ? __switch_to_asm+0x40/0x70
[  660.017629]  ? __switch_to_asm+0x34/0x70
[  660.021685]  ? __switch_to_asm+0x40/0x70
[  660.025744]  ? __switch_to_asm+0x34/0x70
[  660.029815]  ? __switch_to_asm+0x40/0x70
[  660.033902]  ? __switch_to_asm+0x34/0x70
[  660.037961]  ? __switch_to_asm+0x34/0x70
[  660.042017]  ? __switch_to_asm+0x40/0x70
[  660.046069]  ? __switch_to_asm+0x34/0x70
[  660.050158]  bpf_clone_redirect+0xb9/0x490
[  660.054389]  ? __schedule+0x8d7/0x21d0
[  660.058278]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  660.063305]  ? __sched_text_start+0x8/0x8
[  660.067472]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.072071]  ? retint_kernel+0x2d/0x2d
[  660.075975]  ? trace_hardirqs_on_caller+0xc0/0x310
[  660.080902]  ? find_held_lock+0x36/0x1c0
[  660.084997]  ? lock_acquire+0x1ed/0x520
[  660.088986]  ? bpf_test_run+0x3ee/0x7a0
[  660.092987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.098534]  ? check_preemption_disabled+0x48/0x280
[  660.103552]  ? kasan_check_read+0x11/0x20
[  660.107692]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.112962]  ? rcu_softirq_qs+0x20/0x20
[  660.116950]  ? preempt_schedule+0x4d/0x60
[  660.121096]  ? ___preempt_schedule+0x16/0x18
[  660.125506]  ? bpf_test_run+0x271/0x7a0
[  660.129488]  ? netlink_diag_dump+0x2a0/0x2a0
[  660.133925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.139458]  ? bpf_test_init.isra.10+0x70/0x100
[  660.144127]  ? bpf_prog_test_run_skb+0x762/0xd60
[  660.148906]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  660.153753]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  660.159298]  ? fput+0x130/0x1a0
[  660.162595]  ? __bpf_prog_get+0x9b/0x290
[  660.166664]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  660.171536]  ? bpf_prog_test_run+0x130/0x1a0
[  660.175979]  ? __x64_sys_bpf+0x3d8/0x520
[  660.180069]  ? bpf_prog_get+0x20/0x20
[  660.183893]  ? do_syscall_64+0x1b9/0x820
[  660.187955]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  660.193324]  ? syscall_return_slowpath+0x5e0/0x5e0
[  660.198255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.203098]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.208135]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  660.213157]  ? prepare_exit_to_usermode+0x291/0x3b0
[  660.218178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.223028]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  660.228407] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  660.228484] aoe: skb alloc failure
[  660.235175] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  660.235180] Call Trace:
[  660.235185]  <IRQ>
[  660.235202]  dump_stack+0x244/0x39d
[  660.235220]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.238765] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  660.248117]  warn_alloc.cold.116+0xb7/0x1bd
[  660.250674] syz-executor4 cpuset=syz4 mems_allowed=0
[  660.252822]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  660.286312]  ? lock_downgrade+0x900/0x900
[  660.290471]  ? trace_hardirqs_off+0xb8/0x310
[  660.294887]  ? trace_hardirqs_off+0xb8/0x310
[  660.299306]  __alloc_pages_slowpath+0x2651/0x2de0
[  660.304181]  ? warn_alloc+0x120/0x120
[  660.307986]  ? print_usage_bug+0xc0/0xc0
[  660.312048]  ? warn_alloc+0x120/0x120
[  660.315852]  ? warn_alloc+0x120/0x120
[  660.319655]  ? print_usage_bug+0xc0/0xc0
[  660.323721]  ? print_usage_bug+0xc0/0xc0
[  660.327785]  ? __lock_acquire+0x62f/0x4c20
[  660.332025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.337581]  ? should_fail+0x22d/0xd01
[  660.341470]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.346580]  ? __lock_acquire+0x62f/0x4c20
[  660.350823]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  660.355926]  ? __lock_acquire+0x62f/0x4c20
[  660.360161]  ? should_fail+0x22d/0xd01
[  660.364056]  ? find_held_lock+0x36/0x1c0
[  660.368124]  ? mark_held_locks+0x130/0x130
[  660.372361]  ? mark_held_locks+0x130/0x130
[  660.376593]  ? zap_class+0x640/0x640
[  660.380310]  ? zap_class+0x640/0x640
[  660.384041]  ? print_usage_bug+0xc0/0xc0
[  660.388101]  ? do_raw_spin_unlock+0xa7/0x330
[  660.392511]  ? zap_class+0x640/0x640
[  660.396242]  ? print_usage_bug+0xc0/0xc0
[  660.400302]  ? wq_watchdog_touch+0x9c/0xfe
[  660.404549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.410086]  ? check_preemption_disabled+0x48/0x280
[  660.415107]  ? __lock_is_held+0xb5/0x140
[  660.419163]  __alloc_pages_nodemask+0xad8/0xea0
[  660.423824]  ? zap_class+0x640/0x640
[  660.427538]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  660.432560]  ? find_held_lock+0x36/0x1c0
[  660.436631]  ? ____cache_alloc_node+0x1c7/0x1e0
[  660.441305]  ? lock_downgrade+0x900/0x900
[  660.445468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.451010]  cache_grow_begin+0xa5/0x8c0
[  660.455077]  ? do_raw_spin_unlock+0xa7/0x330
[  660.459508]  fallback_alloc+0x204/0x2e0
[  660.463505]  ____cache_alloc_node+0x1c7/0x1e0
[  660.468007]  kmem_cache_alloc_node+0xe3/0x730
[  660.472507]  ? ipv6_get_ifaddr+0x42e/0x620
[  660.476753]  __alloc_skb+0x119/0x770
[  660.480469]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  660.485765]  ? netdev_alloc_frag+0x1f0/0x1f0
[  660.490190]  ? lock_downgrade+0x900/0x900
[  660.494346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.499889]  ? refcount_sub_and_test_checked+0x203/0x310
[  660.505342]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  660.510793]  ? addrconf_rs_timer+0x690/0x690
[  660.515213]  ndisc_alloc_skb+0x144/0x340
[  660.519284]  ndisc_send_rs+0x331/0x6e0
[  660.523180]  addrconf_rs_timer+0x314/0x690
[  660.527422]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.531678]  call_timer_fn+0x272/0x920
[  660.535568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.539816]  ? process_timeout+0x40/0x40
[  660.543894]  ? mark_held_locks+0xc7/0x130
[  660.548044]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.552542]  ? _raw_spin_unlock_irq+0x27/0x80
[  660.557034]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.561272]  ? lockdep_hardirqs_on+0x296/0x5b0
[  660.565860]  ? trace_hardirqs_on+0xbd/0x310
[  660.570201]  ? kasan_check_read+0x11/0x20
[  660.574348]  ? __run_timers+0x7da/0xc70
[  660.578324]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.583441]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.587699]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  660.591993]  __run_timers+0x7e5/0xc70
[  660.595837]  ? timer_fixup_init+0x70/0x70
[  660.599987]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  660.605005]  ? zap_class+0x640/0x640
[  660.608729]  ? print_usage_bug+0xc0/0xc0
[  660.612794]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  660.618058]  ? find_held_lock+0x36/0x1c0
[  660.622126]  ? zap_class+0x640/0x640
[  660.625844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.631383]  ? check_preemption_disabled+0x48/0x280
[  660.636424]  ? __lock_is_held+0xb5/0x140
[  660.640501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.646041]  ? check_preemption_disabled+0x48/0x280
[  660.651077]  run_timer_softirq+0x52/0xb0
[  660.655151]  ? rcu_read_lock_sched_held+0x14f/0x180
[  660.660167]  __do_softirq+0x308/0xb7e
[  660.663987]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  660.668479]  ? lock_downgrade+0x900/0x900
[  660.672625]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  660.677743]  ? pvclock_read_flags+0x160/0x160
[  660.682235]  ? lapic_next_event+0x5a/0x90
[  660.686381]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.691950]  ? kvm_clock_read+0x18/0x30
[  660.695926]  ? kvm_sched_clock_read+0x9/0x20
[  660.700331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  660.705882]  ? check_preemption_disabled+0x48/0x280
[  660.710915]  irq_exit+0x17f/0x1c0
[  660.714363]  smp_apic_timer_interrupt+0x1cb/0x760
[  660.719199]  ? smp_call_function_single_interrupt+0x650/0x650
[  660.725076]  ? interrupt_entry+0xb5/0xc0
[  660.729164]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.734195]  ? trace_hardirqs_off_caller+0xbb/0x310
[  660.739218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.744055]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.749077]  ? trace_hardirqs_on_caller+0x310/0x310
[  660.754138]  ? task_prio+0x50/0x50
[  660.757675]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.763206]  ? check_preemption_disabled+0x48/0x280
[  660.768219]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  660.773065]  apic_timer_interrupt+0xf/0x20
[  660.777289]  </IRQ>
[  660.779517] RIP: 0010:dump_stack+0x358/0x39d
[  660.784026] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  660.802918] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  660.810621] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  660.817913] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  660.825341] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  660.832666] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  660.840571] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  660.847856]  ? dump_stack+0x34f/0x39d
[  660.851687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  660.856879]  ? mark_held_locks+0x130/0x130
[  660.861445]  ? mark_held_locks+0x130/0x130
[  660.866033]  dump_header+0x27b/0xf72
[  660.869912]  ? pagefault_out_of_memory+0x197/0x197
[  660.875215]  ? __lock_acquire+0x62f/0x4c20
[  660.879459]  ? percpu_ref_get_many+0x240/0x240
[  660.884059]  ? print_usage_bug+0xc0/0xc0
[  660.888124]  ? zap_class+0x640/0x640
[  660.891839]  ? print_usage_bug+0xc0/0xc0
[  660.895904]  ? print_usage_bug+0xc0/0xc0
[  660.899968]  ? zap_class+0x640/0x640
[  660.903688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  660.909691]  ? find_held_lock+0x36/0x1c0
[  660.913768]  ? mark_held_locks+0xc7/0x130
[  660.917918]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.923275]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  660.928522]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  660.933108]  ? trace_hardirqs_on+0xbd/0x310
[  660.937440]  ? kasan_check_read+0x11/0x20
[  660.941592]  ? ___ratelimit+0x3b4/0x672
[  660.945572]  ? trace_hardirqs_off_caller+0x310/0x310
[  660.950694]  ? trace_hardirqs_on+0x310/0x310
[  660.955106]  ? lock_downgrade+0x900/0x900
[  660.959261]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  660.964376]  ? ___ratelimit+0x3b9/0x672
[  660.968354]  ? idr_get_free+0xf70/0xf70
[  660.972335]  ? find_held_lock+0x36/0x1c0
[  660.976409]  oom_kill_process.cold.27+0x10/0x903
[  660.981173]  ? zap_class+0x640/0x640
[  660.984891]  ? check_preemption_disabled+0x48/0x280
[  660.989910]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  660.994838]  ? kasan_check_read+0x11/0x20
[  660.998990]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.004273]  ? oom_evaluate_task+0x540/0x540
[  661.008697]  ? find_held_lock+0x36/0x1c0
[  661.012768]  ? out_of_memory+0x974/0x1430
[  661.016922]  ? lock_downgrade+0x900/0x900
[  661.021087]  ? check_preemption_disabled+0x48/0x280
[  661.026119]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  661.031065]  ? kasan_check_read+0x11/0x20
[  661.035213]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.040491]  ? rcu_softirq_qs+0x20/0x20
[  661.044470]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.050022]  ? oom_evaluate_task+0x302/0x540
[  661.054465]  out_of_memory+0xa84/0x1430
[  661.058457]  ? oom_killer_disable+0x3a0/0x3a0
[  661.062955]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  661.067893]  ? __ww_mutex_check_waiters+0x160/0x160
[  661.072922]  __alloc_pages_slowpath+0x232c/0x2de0
[  661.077790]  ? warn_alloc+0x120/0x120
[  661.081590]  ? mark_held_locks+0x130/0x130
[  661.085826]  ? find_get_entry+0xaae/0x1120
[  661.090089]  ? filemap_map_pages+0x1a20/0x1a20
[  661.094705]  ? zap_class+0x640/0x640
[  661.098424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  661.103982]  ? check_preemption_disabled+0x48/0x280
[  661.109070]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.114622]  ? should_fail+0x22d/0xd01
[  661.118530]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.123633]  ? zap_class+0x640/0x640
[  661.127367]  ? __lock_is_held+0xb5/0x140
[  661.131471]  ? mark_held_locks+0x130/0x130
[  661.135717]  ? lock_release+0xa00/0xa00
[  661.139686]  ? perf_trace_sched_process_exec+0x860/0x860
[  661.145140]  ? xa_load+0x2ba/0x460
[  661.148673]  ? lock_downgrade+0x900/0x900
[  661.152838]  ? __might_sleep+0x95/0x190
[  661.156989]  __alloc_pages_nodemask+0xad8/0xea0
[  661.161775]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  661.166803]  ? __page_cache_alloc+0x191/0x5c0
[  661.171310]  ? xa_load+0x2e1/0x460
[  661.174846]  ? xa_clear_mark+0x40/0x40
[  661.178728]  ? zap_class+0x640/0x640
[  661.182485]  ? zap_class+0x640/0x640
[  661.186222]  ? zap_class+0x640/0x640
[  661.189942]  ? __do_page_cache_readahead+0x663/0x810
[  661.195043]  ? find_held_lock+0x36/0x1c0
[  661.199116]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  661.204696]  alloc_pages_current+0x173/0x350
[  661.209100]  __page_cache_alloc+0x38c/0x5c0
[  661.213455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  661.218391]  ? kasan_check_read+0x11/0x20
[  661.222557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.227846]  ? generic_perform_write+0x6a0/0x6a0
[  661.232606]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.238160]  ? check_preemption_disabled+0x48/0x280
[  661.243182]  filemap_fault+0x1595/0x25f0
[  661.247254]  ? __lock_page_or_retry+0xa00/0xa00
[  661.251929]  ? mark_held_locks+0x130/0x130
[  661.256187]  ? filemap_map_pages+0xd6b/0x1a20
[  661.260685]  ? lock_downgrade+0x900/0x900
[  661.264847]  ? check_preemption_disabled+0x48/0x280
[  661.269862]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  661.274805]  ? kasan_check_read+0x11/0x20
[  661.278989]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.284274]  ? rcu_softirq_qs+0x20/0x20
[  661.288262]  ? filemap_map_pages+0xd92/0x1a20
[  661.292774]  ? find_get_entries_tag+0x1400/0x1400
[  661.297614]  ? __kernel_text_address+0xd/0x40
[  661.302105]  ? unwind_get_return_address+0x61/0xa0
[  661.307075]  ? lock_acquire+0x1ed/0x520
[  661.311045]  ? ext4_filemap_fault+0x7a/0xad
[  661.315371]  ? lock_release+0xa00/0xa00
[  661.319340]  ? perf_trace_sched_process_exec+0x860/0x860
[  661.324808]  ? print_usage_bug+0xc0/0xc0
[  661.328878]  ? print_usage_bug+0xc0/0xc0
[  661.332939]  ? __x64_sys_read+0x73/0xb0
[  661.336909]  ? print_usage_bug+0xc0/0xc0
[  661.340978]  ? down_read+0x8d/0x120
[  661.344597]  ? ext4_filemap_fault+0x7a/0xad
[  661.348935]  ? __down_interruptible+0x700/0x700
[  661.353613]  ext4_filemap_fault+0x82/0xad
[  661.357783]  __do_fault+0x100/0x6b0
[  661.361425]  ? trace_hardirqs_on+0xbd/0x310
[  661.365760]  ? pmd_devmap_trans_unstable+0x220/0x220
[  661.370865]  ? mark_held_locks+0x130/0x130
[  661.375099]  ? mark_held_locks+0x130/0x130
[  661.379333]  ? do_syslog+0x147b/0x1690
[  661.383226]  ? do_syslog+0x309/0x1690
[  661.387027]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.392564]  __handle_mm_fault+0x3ea0/0x5be0
[  661.396972]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  661.401814]  ? find_held_lock+0x36/0x1c0
[  661.405900]  ? zap_class+0x640/0x640
[  661.409608]  ? zap_class+0x640/0x640
[  661.413323]  ? find_held_lock+0x36/0x1c0
[  661.417387]  ? handle_mm_fault+0x42a/0xc70
[  661.421631]  ? lock_downgrade+0x900/0x900
[  661.425775]  ? check_preemption_disabled+0x48/0x280
[  661.430797]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  661.435726]  ? kasan_check_read+0x11/0x20
[  661.439885]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  661.445154]  ? rcu_softirq_qs+0x20/0x20
[  661.449119]  ? trace_hardirqs_off_caller+0x310/0x310
[  661.454215]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.459759]  ? check_preemption_disabled+0x48/0x280
[  661.464795]  handle_mm_fault+0x54f/0xc70
[  661.468856]  ? __handle_mm_fault+0x5be0/0x5be0
[  661.473444]  ? find_vma+0x34/0x190
[  661.477002]  __do_page_fault+0x5e8/0xe60
[  661.481071]  ? trace_hardirqs_off+0xb8/0x310
[  661.485507]  ? kernel_write+0x120/0x120
[  661.489484]  do_page_fault+0xf2/0x7e0
[  661.493313]  ? vmalloc_sync_all+0x30/0x30
[  661.497484]  ? error_entry+0x70/0xd0
[  661.501200]  ? trace_hardirqs_off_caller+0xbb/0x310
[  661.506204]  ? trace_hardirqs_on_caller+0xc0/0x310
[  661.511128]  ? syscall_return_slowpath+0x5e0/0x5e0
[  661.516054]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.520915]  ? trace_hardirqs_on_caller+0x310/0x310
[  661.525927]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  661.531390]  ? prepare_exit_to_usermode+0x291/0x3b0
[  661.536401]  ? page_fault+0x8/0x30
[  661.539949]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  661.544800]  ? page_fault+0x8/0x30
[  661.548366]  page_fault+0x1e/0x30
[  661.551832] RIP: 0033:0x7fe9f4ff21fd
[  661.555548] Code: Bad RIP value.
[  661.558906] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  661.564261] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  661.571525] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  661.578817] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  661.586105] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  661.593369] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  661.600648] warn_alloc_show_mem: 1 callbacks suppressed
[  661.600658] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  661.600660] Mem-Info:
[  661.600685] active_anon:43385 inactive_anon:190 isolated_anon:0
[  661.600685]  active_file:9 inactive_file:19 isolated_file:0
[  661.600685]  unevictable:0 dirty:0 writeback:0 unstable:0
[  661.600685]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  661.600685]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  661.600685]  free:13722 free_pcp:438 free_cma:0
[  661.606023] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  661.606030] Call Trace:
[  661.613147] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  661.615541]  <IRQ>
[  661.648311] 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
[  661.657661]  dump_stack+0x244/0x39d
[  661.660213] lowmem_reserve[]: 0 2818 6321 6321
[  661.687713]  ? dump_stack_print_info.cold.1+0x20/0x20
[  661.689838] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  661.715970]  warn_alloc.cold.116+0xb7/0x1bd
[  661.719565] lowmem_reserve[]: 0 0 3503 3503
[  661.724140]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  661.729306] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  661.756618]  ? lock_downgrade+0x900/0x900
[  661.760925] lowmem_reserve[]: 0 0 0 0
[  661.765250]  ? trace_hardirqs_off+0xb8/0x310
[  661.770085] 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
[  661.799183]  ? trace_hardirqs_off+0xb8/0x310
[  661.803302] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  661.807112]  __alloc_pages_slowpath+0x2651/0x2de0
[  661.811514] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  661.825089]  ? warn_alloc+0x120/0x120
[  661.829484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  661.844495]  ? warn_alloc+0x120/0x120
[  661.849313] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  661.864836]  ? __lock_acquire+0x62f/0x4c20
[  661.868607] 272 total pagecache pages
[  661.877453]  ? warn_alloc+0x120/0x120
[  661.881232] 0 pages in swap cache
[  661.889824]  ? print_usage_bug+0xc0/0xc0
[  661.894051] Swap cache stats: add 0, delete 0, find 0/0
[  661.897843]  ? print_usage_bug+0xc0/0xc0
[  661.901616] Free swap  = 0kB
[  661.905061]  ? mark_held_locks+0x130/0x130
[  661.909111] Total swap = 0kB
[  661.914498]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  661.918544] 1965979 pages RAM
[  661.921552]  ? should_fail+0x22d/0xd01
[  661.925756] 0 pages HighMem/MovableOnly
[  661.928775]  ? zap_class+0x640/0x640
[  661.934283] 342854 pages reserved
[  661.934291] 0 pages cma reserved
[  661.937417]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.941407] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  661.945298]  ? __lock_acquire+0x62f/0x4c20
[  661.949053] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  661.952445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  661.955787] rsyslogd cpuset=/ mems_allowed=0
[  661.960899]  ? should_fail+0x22d/0xd01
[  661.994972]  ? mark_held_locks+0x130/0x130
[  661.999224]  ? mark_held_locks+0x130/0x130
[  662.003467]  ? lock_downgrade+0x900/0x900
[  662.007618]  ? zap_class+0x640/0x640
[  662.011334]  ? zap_class+0x640/0x640
[  662.015060]  ? zap_class+0x640/0x640
[  662.018826]  ? do_raw_spin_unlock+0xa7/0x330
[  662.023229]  ? trace_hardirqs_on+0x310/0x310
[  662.027631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.033173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.038709]  ? check_preemption_disabled+0x48/0x280
[  662.043745]  ? __lock_is_held+0xb5/0x140
[  662.047809]  __alloc_pages_nodemask+0xad8/0xea0
[  662.052475]  ? zap_class+0x640/0x640
[  662.056190]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  662.061255]  ? find_held_lock+0x36/0x1c0
[  662.065360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  662.070048]  ? lock_downgrade+0x900/0x900
[  662.074205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.079788]  cache_grow_begin+0xa5/0x8c0
[  662.083857]  ? do_raw_spin_unlock+0xa7/0x330
[  662.088268]  fallback_alloc+0x204/0x2e0
[  662.092284]  ____cache_alloc_node+0x1c7/0x1e0
[  662.096785]  kmem_cache_alloc_node+0xe3/0x730
[  662.101273]  ? lockdep_hardirqs_on+0x296/0x5b0
[  662.105882]  __alloc_skb+0x119/0x770
[  662.109604]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  662.114968]  ? netdev_alloc_frag+0x1f0/0x1f0
[  662.119379]  ? vprintk_default+0x28/0x30
[  662.123442]  ? vprintk_func+0x85/0x181
[  662.127339]  ? printk+0xa7/0xcf
[  662.130613]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  662.135363]  ? do_raw_spin_trylock+0x270/0x270
[  662.139942]  new_skb+0x26/0x1c0
[  662.143217]  aoecmd_cfg+0x279/0x7f0
[  662.146853]  ? find_held_lock+0x36/0x1c0
[  662.150909]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  662.155243]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.160784]  ? __lock_is_held+0xb5/0x140
[  662.164876]  discover_timer+0x50/0x60
[  662.168687]  call_timer_fn+0x272/0x920
[  662.172566]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  662.177418]  ? process_timeout+0x40/0x40
[  662.181486]  ? __run_timers+0x7da/0xc70
[  662.185464]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.189981]  ? _raw_spin_unlock_irq+0x27/0x80
[  662.194491]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  662.199342]  ? lockdep_hardirqs_on+0x296/0x5b0
[  662.203914]  ? trace_hardirqs_on+0xbd/0x310
[  662.208227]  ? kasan_check_read+0x11/0x20
[  662.212358]  ? __run_timers+0x7da/0xc70
[  662.216322]  ? trace_hardirqs_off_caller+0x310/0x310
[  662.221425]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  662.226263]  __run_timers+0x7e5/0xc70
[  662.230058]  ? timer_fixup_init+0x70/0x70
[  662.234199]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  662.239207]  ? zap_class+0x640/0x640
[  662.242933]  ? enqueue_hrtimer+0x1a5/0x560
[  662.247164]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  662.252361]  ? find_held_lock+0x36/0x1c0
[  662.256419]  ? zap_class+0x640/0x640
[  662.260170]  ? pvclock_read_flags+0x160/0x160
[  662.264660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.270201]  ? check_preemption_disabled+0x48/0x280
[  662.275245]  ? __lock_is_held+0xb5/0x140
[  662.279298]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.284827]  ? check_preemption_disabled+0x48/0x280
[  662.289879]  run_timer_softirq+0x52/0xb0
[  662.293936]  ? rcu_read_lock_sched_held+0x14f/0x180
[  662.298966]  __do_softirq+0x308/0xb7e
[  662.302766]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  662.307261]  ? lock_downgrade+0x900/0x900
[  662.311415]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  662.316527]  ? pvclock_read_flags+0x160/0x160
[  662.321020]  ? lapic_next_event+0x5a/0x90
[  662.325164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.330695]  ? kvm_clock_read+0x18/0x30
[  662.334662]  ? kvm_sched_clock_read+0x9/0x20
[  662.339082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.344651]  ? check_preemption_disabled+0x48/0x280
[  662.349669]  irq_exit+0x17f/0x1c0
[  662.353135]  smp_apic_timer_interrupt+0x1cb/0x760
[  662.357987]  ? smp_reschedule_interrupt+0x109/0x650
[  662.362996]  ? smp_call_function_single_interrupt+0x650/0x650
[  662.368890]  ? interrupt_entry+0xb5/0xc0
[  662.372965]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.377979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  662.382988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.387840]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.392864]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.397900]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.402746]  apic_timer_interrupt+0xf/0x20
[  662.406967]  </IRQ>
[  662.409239] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  662.414187] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  662.433078] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  662.440783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  662.448043] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  662.455301] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  662.462558] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  662.469816] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  662.477116]  skb_clone+0x1bb/0x500
[  662.480661]  ? finish_task_switch+0x2f4/0x910
[  662.485160]  ? skb_split+0x11e0/0x11e0
[  662.489043]  ? preempt_notifier_register+0x200/0x200
[  662.494151]  ? __switch_to_asm+0x34/0x70
[  662.498201]  ? __switch_to_asm+0x34/0x70
[  662.502265]  ? __switch_to_asm+0x40/0x70
[  662.506316]  ? __switch_to_asm+0x34/0x70
[  662.510368]  ? __switch_to_asm+0x40/0x70
[  662.514437]  ? __switch_to_asm+0x34/0x70
[  662.518524]  ? __switch_to_asm+0x40/0x70
[  662.522597]  ? __switch_to_asm+0x34/0x70
[  662.526684]  ? __switch_to_asm+0x34/0x70
[  662.530737]  ? __switch_to_asm+0x40/0x70
[  662.534794]  ? __switch_to_asm+0x34/0x70
[  662.538868]  bpf_clone_redirect+0xb9/0x490
[  662.543096]  ? __schedule+0x8d7/0x21d0
[  662.547015]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  662.552056]  ? __sched_text_start+0x8/0x8
[  662.556203]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  662.560783]  ? retint_kernel+0x2d/0x2d
[  662.564661]  ? trace_hardirqs_on_caller+0xc0/0x310
[  662.569585]  ? find_held_lock+0x36/0x1c0
[  662.573659]  ? lock_acquire+0x1ed/0x520
[  662.577628]  ? bpf_test_run+0x3ee/0x7a0
[  662.581595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.587149]  ? check_preemption_disabled+0x48/0x280
[  662.592175]  ? kasan_check_read+0x11/0x20
[  662.596323]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.601593]  ? rcu_softirq_qs+0x20/0x20
[  662.605564]  ? preempt_schedule+0x4d/0x60
[  662.609708]  ? ___preempt_schedule+0x16/0x18
[  662.614114]  ? bpf_test_run+0x271/0x7a0
[  662.618092]  ? netlink_diag_dump+0x2a0/0x2a0
[  662.622518]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.628046]  ? bpf_test_init.isra.10+0x70/0x100
[  662.632715]  ? bpf_prog_test_run_skb+0x762/0xd60
[  662.637493]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.642353]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  662.647914]  ? fput+0x130/0x1a0
[  662.651198]  ? __bpf_prog_get+0x9b/0x290
[  662.655264]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  662.660105]  ? bpf_prog_test_run+0x130/0x1a0
[  662.664511]  ? __x64_sys_bpf+0x3d8/0x520
[  662.668567]  ? bpf_prog_get+0x20/0x20
[  662.672389]  ? do_syscall_64+0x1b9/0x820
[  662.676448]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  662.681825]  ? syscall_return_slowpath+0x5e0/0x5e0
[  662.686750]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.691597]  ? trace_hardirqs_on_caller+0x310/0x310
[  662.696633]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  662.701652]  ? prepare_exit_to_usermode+0x291/0x3b0
[  662.706674]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  662.711536]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  662.716932] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  662.716994] aoe: skb alloc failure
[  662.723686] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  662.723692] Call Trace:
[  662.723697]  <IRQ>
[  662.723713]  dump_stack+0x244/0x39d
[  662.723736]  ? dump_stack_print_info.cold.1+0x20/0x20
[  662.727283] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  662.736616]  warn_alloc.cold.116+0xb7/0x1bd
[  662.739167] syz-executor4 cpuset=syz4 mems_allowed=0
[  662.741310]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  662.774815]  ? lock_downgrade+0x900/0x900
[  662.778999]  ? trace_hardirqs_off+0xb8/0x310
[  662.783412]  ? trace_hardirqs_off+0xb8/0x310
[  662.787834]  __alloc_pages_slowpath+0x2651/0x2de0
[  662.792699]  ? warn_alloc+0x120/0x120
[  662.796529]  ? print_usage_bug+0xc0/0xc0
[  662.800586]  ? warn_alloc+0x120/0x120
[  662.804385]  ? zap_class+0x640/0x640
[  662.808111]  ? warn_alloc+0x120/0x120
[  662.811906]  ? print_usage_bug+0xc0/0xc0
[  662.815968]  ? print_usage_bug+0xc0/0xc0
[  662.820053]  ? __lock_acquire+0x62f/0x4c20
[  662.824296]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  662.829855]  ? should_fail+0x22d/0xd01
[  662.833769]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.838884]  ? __lock_acquire+0x62f/0x4c20
[  662.843150]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  662.848248]  ? __lock_acquire+0x62f/0x4c20
[  662.852483]  ? should_fail+0x22d/0xd01
[  662.856369]  ? find_held_lock+0x36/0x1c0
[  662.860445]  ? mark_held_locks+0x130/0x130
[  662.864684]  ? mark_held_locks+0x130/0x130
[  662.868918]  ? zap_class+0x640/0x640
[  662.872637]  ? zap_class+0x640/0x640
[  662.876356]  ? print_usage_bug+0xc0/0xc0
[  662.880415]  ? do_raw_spin_unlock+0xa7/0x330
[  662.884831]  ? zap_class+0x640/0x640
[  662.888551]  ? print_usage_bug+0xc0/0xc0
[  662.892611]  ? wq_watchdog_touch+0x9c/0xfe
[  662.896846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.902380]  ? check_preemption_disabled+0x48/0x280
[  662.907899]  ? __lock_is_held+0xb5/0x140
[  662.911976]  __alloc_pages_nodemask+0xad8/0xea0
[  662.916644]  ? zap_class+0x640/0x640
[  662.920364]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  662.925395]  ? find_held_lock+0x36/0x1c0
[  662.929472]  ? ____cache_alloc_node+0x1c7/0x1e0
[  662.934168]  ? lock_downgrade+0x900/0x900
[  662.938338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.943881]  cache_grow_begin+0xa5/0x8c0
[  662.947969]  ? do_raw_spin_unlock+0xa7/0x330
[  662.952401]  fallback_alloc+0x204/0x2e0
[  662.956389]  ____cache_alloc_node+0x1c7/0x1e0
[  662.960903]  kmem_cache_alloc_node+0xe3/0x730
[  662.965397]  ? ipv6_get_ifaddr+0x42e/0x620
[  662.969671]  __alloc_skb+0x119/0x770
[  662.973391]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  662.978669]  ? netdev_alloc_frag+0x1f0/0x1f0
[  662.983069]  ? lock_downgrade+0x900/0x900
[  662.987215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  662.992750]  ? refcount_sub_and_test_checked+0x203/0x310
[  662.998202]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  663.003647]  ? addrconf_rs_timer+0x690/0x690
[  663.008098]  ndisc_alloc_skb+0x144/0x340
[  663.012165]  ndisc_send_rs+0x331/0x6e0
[  663.016104]  addrconf_rs_timer+0x314/0x690
[  663.020354]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  663.024602]  call_timer_fn+0x272/0x920
[  663.028521]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  663.032799]  ? process_timeout+0x40/0x40
[  663.036873]  ? mark_held_locks+0xc7/0x130
[  663.041033]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.045543]  ? _raw_spin_unlock_irq+0x27/0x80
[  663.050036]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  663.054291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  663.058872]  ? trace_hardirqs_on+0xbd/0x310
[  663.063204]  ? kasan_check_read+0x11/0x20
[  663.067340]  ? __run_timers+0x7da/0xc70
[  663.071312]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.076417]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  663.080666]  __run_timers+0x7e5/0xc70
[  663.084471]  ? timer_fixup_init+0x70/0x70
[  663.088628]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  663.093658]  ? zap_class+0x640/0x640
[  663.097390]  ? print_usage_bug+0xc0/0xc0
[  663.101453]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  663.106644]  ? find_held_lock+0x36/0x1c0
[  663.110701]  ? zap_class+0x640/0x640
[  663.114409]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.119973]  ? check_preemption_disabled+0x48/0x280
[  663.124989]  ? __lock_is_held+0xb5/0x140
[  663.129052]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.134609]  ? check_preemption_disabled+0x48/0x280
[  663.139657]  run_timer_softirq+0x52/0xb0
[  663.143734]  ? rcu_read_lock_sched_held+0x14f/0x180
[  663.148761]  __do_softirq+0x308/0xb7e
[  663.152586]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  663.157083]  ? lock_downgrade+0x900/0x900
[  663.161223]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  663.166357]  ? pvclock_read_flags+0x160/0x160
[  663.170851]  ? lapic_next_event+0x5a/0x90
[  663.174991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.180534]  ? kvm_clock_read+0x18/0x30
[  663.184499]  ? kvm_sched_clock_read+0x9/0x20
[  663.188902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.194475]  ? check_preemption_disabled+0x48/0x280
[  663.199513]  irq_exit+0x17f/0x1c0
[  663.202967]  smp_apic_timer_interrupt+0x1cb/0x760
[  663.207801]  ? smp_call_function_single_interrupt+0x650/0x650
[  663.213679]  ? interrupt_entry+0xb5/0xc0
[  663.217750]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.222757]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.227768]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.232606]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.237614]  ? trace_hardirqs_on_caller+0x310/0x310
[  663.242623]  ? task_prio+0x50/0x50
[  663.246156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.251688]  ? check_preemption_disabled+0x48/0x280
[  663.256698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  663.261559]  apic_timer_interrupt+0xf/0x20
[  663.265800]  </IRQ>
[  663.268049] RIP: 0010:dump_stack+0x358/0x39d
[  663.272480] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  663.291386] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  663.299096] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  663.306352] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  663.313874] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  663.321146] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  663.328465] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  663.335735]  ? dump_stack+0x34f/0x39d
[  663.339534]  ? dump_stack_print_info.cold.1+0x20/0x20
[  663.344763]  ? mark_held_locks+0x130/0x130
[  663.348988]  ? mark_held_locks+0x130/0x130
[  663.353223]  dump_header+0x27b/0xf72
[  663.356964]  ? pagefault_out_of_memory+0x197/0x197
[  663.361960]  ? __lock_acquire+0x62f/0x4c20
[  663.366204]  ? percpu_ref_get_many+0x240/0x240
[  663.370779]  ? print_usage_bug+0xc0/0xc0
[  663.374842]  ? zap_class+0x640/0x640
[  663.378550]  ? print_usage_bug+0xc0/0xc0
[  663.382601]  ? print_usage_bug+0xc0/0xc0
[  663.386657]  ? zap_class+0x640/0x640
[  663.390366]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.395898]  ? find_held_lock+0x36/0x1c0
[  663.399964]  ? mark_held_locks+0xc7/0x130
[  663.404140]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  663.409255]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  663.414389]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  663.418985]  ? trace_hardirqs_on+0xbd/0x310
[  663.423303]  ? kasan_check_read+0x11/0x20
[  663.427448]  ? ___ratelimit+0x3b4/0x672
[  663.431418]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.436523]  ? trace_hardirqs_on+0x310/0x310
[  663.440924]  ? lock_downgrade+0x900/0x900
[  663.445087]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  663.450182]  ? ___ratelimit+0x3b9/0x672
[  663.454166]  ? idr_get_free+0xf70/0xf70
[  663.458144]  ? find_held_lock+0x36/0x1c0
[  663.462202]  oom_kill_process.cold.27+0x10/0x903
[  663.466963]  ? zap_class+0x640/0x640
[  663.470671]  ? check_preemption_disabled+0x48/0x280
[  663.475686]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.480636]  ? kasan_check_read+0x11/0x20
[  663.484775]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.490044]  ? oom_evaluate_task+0x540/0x540
[  663.494463]  ? find_held_lock+0x36/0x1c0
[  663.498524]  ? out_of_memory+0x974/0x1430
[  663.502669]  ? lock_downgrade+0x900/0x900
[  663.506809]  ? check_preemption_disabled+0x48/0x280
[  663.511820]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.516739]  ? kasan_check_read+0x11/0x20
[  663.520878]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.526147]  ? rcu_softirq_qs+0x20/0x20
[  663.530133]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.535674]  ? oom_evaluate_task+0x302/0x540
[  663.540077]  out_of_memory+0xa84/0x1430
[  663.544065]  ? oom_killer_disable+0x3a0/0x3a0
[  663.548563]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  663.553493]  ? __ww_mutex_check_waiters+0x160/0x160
[  663.558515]  __alloc_pages_slowpath+0x232c/0x2de0
[  663.563377]  ? warn_alloc+0x120/0x120
[  663.567167]  ? mark_held_locks+0x130/0x130
[  663.571397]  ? find_get_entry+0xaae/0x1120
[  663.575625]  ? filemap_map_pages+0x1a20/0x1a20
[  663.580198]  ? zap_class+0x640/0x640
[  663.583905]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  663.589465]  ? check_preemption_disabled+0x48/0x280
[  663.594486]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.600043]  ? should_fail+0x22d/0xd01
[  663.603926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  663.609035]  ? zap_class+0x640/0x640
[  663.612765]  ? __lock_is_held+0xb5/0x140
[  663.616828]  ? mark_held_locks+0x130/0x130
[  663.621054]  ? lock_release+0xa00/0xa00
[  663.625019]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.630460]  ? xa_load+0x2ba/0x460
[  663.633998]  ? lock_downgrade+0x900/0x900
[  663.638145]  ? __might_sleep+0x95/0x190
[  663.642125]  __alloc_pages_nodemask+0xad8/0xea0
[  663.646798]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  663.651807]  ? __page_cache_alloc+0x191/0x5c0
[  663.656303]  ? xa_load+0x2e1/0x460
[  663.659863]  ? xa_clear_mark+0x40/0x40
[  663.663778]  ? zap_class+0x640/0x640
[  663.667496]  ? zap_class+0x640/0x640
[  663.671202]  ? zap_class+0x640/0x640
[  663.674912]  ? __do_page_cache_readahead+0x663/0x810
[  663.680017]  ? find_held_lock+0x36/0x1c0
[  663.684079]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  663.689636]  alloc_pages_current+0x173/0x350
[  663.694046]  __page_cache_alloc+0x38c/0x5c0
[  663.698360]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.703286]  ? kasan_check_read+0x11/0x20
[  663.707435]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.712710]  ? generic_perform_write+0x6a0/0x6a0
[  663.717459]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.722991]  ? check_preemption_disabled+0x48/0x280
[  663.728011]  filemap_fault+0x1595/0x25f0
[  663.732098]  ? __lock_page_or_retry+0xa00/0xa00
[  663.736778]  ? mark_held_locks+0x130/0x130
[  663.741024]  ? filemap_map_pages+0xd6b/0x1a20
[  663.745516]  ? lock_downgrade+0x900/0x900
[  663.749672]  ? check_preemption_disabled+0x48/0x280
[  663.754704]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.759630]  ? kasan_check_read+0x11/0x20
[  663.763773]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.769065]  ? rcu_softirq_qs+0x20/0x20
[  663.773064]  ? filemap_map_pages+0xd92/0x1a20
[  663.777771]  ? find_get_entries_tag+0x1400/0x1400
[  663.782633]  ? __kernel_text_address+0xd/0x40
[  663.787127]  ? unwind_get_return_address+0x61/0xa0
[  663.792065]  ? lock_acquire+0x1ed/0x520
[  663.796055]  ? ext4_filemap_fault+0x7a/0xad
[  663.800401]  ? lock_release+0xa00/0xa00
[  663.804382]  ? perf_trace_sched_process_exec+0x860/0x860
[  663.809825]  ? print_usage_bug+0xc0/0xc0
[  663.813928]  ? print_usage_bug+0xc0/0xc0
[  663.817988]  ? __x64_sys_read+0x73/0xb0
[  663.821958]  ? print_usage_bug+0xc0/0xc0
[  663.826027]  ? down_read+0x8d/0x120
[  663.829648]  ? ext4_filemap_fault+0x7a/0xad
[  663.834008]  ? __down_interruptible+0x700/0x700
[  663.838684]  ext4_filemap_fault+0x82/0xad
[  663.842860]  __do_fault+0x100/0x6b0
[  663.846481]  ? trace_hardirqs_on+0xbd/0x310
[  663.850824]  ? pmd_devmap_trans_unstable+0x220/0x220
[  663.855930]  ? mark_held_locks+0x130/0x130
[  663.860163]  ? mark_held_locks+0x130/0x130
[  663.864391]  ? do_syslog+0x147b/0x1690
[  663.868285]  ? do_syslog+0x309/0x1690
[  663.872087]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.877655]  __handle_mm_fault+0x3ea0/0x5be0
[  663.882072]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  663.886962]  ? find_held_lock+0x36/0x1c0
[  663.891060]  ? zap_class+0x640/0x640
[  663.894791]  ? zap_class+0x640/0x640
[  663.898532]  ? find_held_lock+0x36/0x1c0
[  663.902630]  ? handle_mm_fault+0x42a/0xc70
[  663.906896]  ? lock_downgrade+0x900/0x900
[  663.911045]  ? check_preemption_disabled+0x48/0x280
[  663.916093]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  663.921018]  ? kasan_check_read+0x11/0x20
[  663.925169]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  663.930456]  ? rcu_softirq_qs+0x20/0x20
[  663.934436]  ? trace_hardirqs_off_caller+0x310/0x310
[  663.939542]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  663.945081]  ? check_preemption_disabled+0x48/0x280
[  663.950166]  handle_mm_fault+0x54f/0xc70
[  663.954232]  ? __handle_mm_fault+0x5be0/0x5be0
[  663.958833]  ? find_vma+0x34/0x190
[  663.962395]  __do_page_fault+0x5e8/0xe60
[  663.966466]  ? trace_hardirqs_off+0xb8/0x310
[  663.970872]  ? kernel_write+0x120/0x120
[  663.974854]  do_page_fault+0xf2/0x7e0
[  663.978653]  ? vmalloc_sync_all+0x30/0x30
[  663.982833]  ? error_entry+0x70/0xd0
[  663.986547]  ? trace_hardirqs_off_caller+0xbb/0x310
[  663.992132]  ? trace_hardirqs_on_caller+0xc0/0x310
[  663.997199]  ? syscall_return_slowpath+0x5e0/0x5e0
[  664.002141]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.007020]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.012084]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  664.017541]  ? prepare_exit_to_usermode+0x291/0x3b0
[  664.022554]  ? page_fault+0x8/0x30
[  664.026112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.030974]  ? page_fault+0x8/0x30
[  664.034517]  page_fault+0x1e/0x30
[  664.037967] RIP: 0033:0x7fe9f4ff21fd
[  664.041689] Code: Bad RIP value.
[  664.045050] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  664.050410] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  664.057684] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  664.064950] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  664.072216] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  664.079494] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  664.086780] warn_alloc_show_mem: 1 callbacks suppressed
[  664.086793] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  664.086795] Mem-Info:
[  664.086822] active_anon:43385 inactive_anon:190 isolated_anon:0
[  664.086822]  active_file:9 inactive_file:19 isolated_file:0
[  664.086822]  unevictable:0 dirty:0 writeback:0 unstable:0
[  664.086822]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  664.086822]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  664.086822]  free:13722 free_pcp:438 free_cma:0
[  664.092158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  664.092166] Call Trace:
[  664.099272] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  664.101681]  <IRQ>
[  664.134473] 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
[  664.143820]  dump_stack+0x244/0x39d
[  664.146378] lowmem_reserve[]: 0 2818 6321 6321
[  664.173865]  ? dump_stack_print_info.cold.1+0x20/0x20
[  664.176015] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  664.202123]  warn_alloc.cold.116+0xb7/0x1bd
[  664.205713] lowmem_reserve[]: 0 0 3503 3503
[  664.210283]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  664.215452] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  664.242767]  ? lock_downgrade+0x900/0x900
[  664.247055] lowmem_reserve[]: 0 0 0 0
[  664.251386]  ? trace_hardirqs_off+0xb8/0x310
[  664.256195] 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
[  664.285180]  ? trace_hardirqs_off+0xb8/0x310
[  664.289304] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  664.293121]  __alloc_pages_slowpath+0x2651/0x2de0
[  664.297499] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  664.311026]  ? warn_alloc+0x120/0x120
[  664.315393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  664.330372]  ? warn_alloc+0x120/0x120
[  664.335204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  664.350711]  ? __lock_acquire+0x62f/0x4c20
[  664.354488] 272 total pagecache pages
[  664.363315]  ? warn_alloc+0x120/0x120
[  664.367115] 0 pages in swap cache
[  664.375691]  ? print_usage_bug+0xc0/0xc0
[  664.379922] Swap cache stats: add 0, delete 0, find 0/0
[  664.383714]  ? print_usage_bug+0xc0/0xc0
[  664.387495] Free swap  = 0kB
[  664.390937]  ? mark_held_locks+0x130/0x130
[  664.394974] Total swap = 0kB
[  664.400346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  664.404376] 1965979 pages RAM
[  664.407395]  ? should_fail+0x22d/0xd01
[  664.411602] 0 pages HighMem/MovableOnly
[  664.414607]  ? zap_class+0x640/0x640
[  664.420126] 342854 pages reserved
[  664.420133] 0 pages cma reserved
[  664.423228]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.427161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  664.431058]  ? __lock_acquire+0x62f/0x4c20
[  664.434852] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  664.438247]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  664.441593] rsyslogd cpuset=/ mems_allowed=0
[  664.446700]  ? should_fail+0x22d/0xd01
[  664.480773]  ? mark_held_locks+0x130/0x130
[  664.485016]  ? mark_held_locks+0x130/0x130
[  664.489257]  ? lock_downgrade+0x900/0x900
[  664.493402]  ? zap_class+0x640/0x640
[  664.497117]  ? zap_class+0x640/0x640
[  664.500831]  ? zap_class+0x640/0x640
[  664.504543]  ? do_raw_spin_unlock+0xa7/0x330
[  664.508954]  ? trace_hardirqs_on+0x310/0x310
[  664.513362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.518902]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.524451]  ? check_preemption_disabled+0x48/0x280
[  664.529480]  ? __lock_is_held+0xb5/0x140
[  664.533553]  __alloc_pages_nodemask+0xad8/0xea0
[  664.538224]  ? zap_class+0x640/0x640
[  664.541942]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  664.546970]  ? find_held_lock+0x36/0x1c0
[  664.551040]  ? ____cache_alloc_node+0x1c7/0x1e0
[  664.555711]  ? lock_downgrade+0x900/0x900
[  664.559886]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.565439]  cache_grow_begin+0xa5/0x8c0
[  664.569501]  ? do_raw_spin_unlock+0xa7/0x330
[  664.573923]  fallback_alloc+0x204/0x2e0
[  664.577906]  ____cache_alloc_node+0x1c7/0x1e0
[  664.582411]  kmem_cache_alloc_node+0xe3/0x730
[  664.586918]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.591512]  __alloc_skb+0x119/0x770
[  664.595241]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  664.600614]  ? netdev_alloc_frag+0x1f0/0x1f0
[  664.605030]  ? vprintk_default+0x28/0x30
[  664.609094]  ? vprintk_func+0x85/0x181
[  664.612990]  ? printk+0xa7/0xcf
[  664.616280]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  664.621039]  ? do_raw_spin_trylock+0x270/0x270
[  664.625630]  new_skb+0x26/0x1c0
[  664.628909]  aoecmd_cfg+0x279/0x7f0
[  664.632542]  ? find_held_lock+0x36/0x1c0
[  664.636609]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  664.640936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.646487]  ? __lock_is_held+0xb5/0x140
[  664.650564]  discover_timer+0x50/0x60
[  664.654365]  call_timer_fn+0x272/0x920
[  664.658256]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.663116]  ? process_timeout+0x40/0x40
[  664.667239]  ? __run_timers+0x7da/0xc70
[  664.671242]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.675735]  ? _raw_spin_unlock_irq+0x27/0x80
[  664.680229]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.685091]  ? lockdep_hardirqs_on+0x296/0x5b0
[  664.689680]  ? trace_hardirqs_on+0xbd/0x310
[  664.694002]  ? kasan_check_read+0x11/0x20
[  664.698152]  ? __run_timers+0x7da/0xc70
[  664.702159]  ? trace_hardirqs_off_caller+0x310/0x310
[  664.707278]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  664.712125]  __run_timers+0x7e5/0xc70
[  664.715937]  ? timer_fixup_init+0x70/0x70
[  664.720090]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  664.725110]  ? zap_class+0x640/0x640
[  664.728832]  ? enqueue_hrtimer+0x1a5/0x560
[  664.733070]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  664.738272]  ? find_held_lock+0x36/0x1c0
[  664.742338]  ? zap_class+0x640/0x640
[  664.746055]  ? pvclock_read_flags+0x160/0x160
[  664.750552]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.756092]  ? check_preemption_disabled+0x48/0x280
[  664.761152]  ? __lock_is_held+0xb5/0x140
[  664.765236]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.770797]  ? check_preemption_disabled+0x48/0x280
[  664.775815]  run_timer_softirq+0x52/0xb0
[  664.779888]  ? rcu_read_lock_sched_held+0x14f/0x180
[  664.784915]  __do_softirq+0x308/0xb7e
[  664.788718]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  664.793210]  ? lock_downgrade+0x900/0x900
[  664.797358]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  664.802466]  ? pvclock_read_flags+0x160/0x160
[  664.806962]  ? lapic_next_event+0x5a/0x90
[  664.811111]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.816650]  ? kvm_clock_read+0x18/0x30
[  664.820921]  ? kvm_sched_clock_read+0x9/0x20
[  664.825327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  664.830877]  ? check_preemption_disabled+0x48/0x280
[  664.835896]  irq_exit+0x17f/0x1c0
[  664.839348]  smp_apic_timer_interrupt+0x1cb/0x760
[  664.844198]  ? smp_reschedule_interrupt+0x109/0x650
[  664.849207]  ? smp_call_function_single_interrupt+0x650/0x650
[  664.855083]  ? interrupt_entry+0xb5/0xc0
[  664.859155]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.864161]  ? trace_hardirqs_off_caller+0xbb/0x310
[  664.869170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.874004]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.879012]  ? trace_hardirqs_on_caller+0x310/0x310
[  664.884051]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  664.888929]  apic_timer_interrupt+0xf/0x20
[  664.893158]  </IRQ>
[  664.895392] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  664.900321] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  664.919394] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  664.927135] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  664.934416] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  664.941721] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  664.948990] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  664.956274] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  664.963581]  skb_clone+0x1bb/0x500
[  664.967127]  ? finish_task_switch+0x2f4/0x910
[  664.971626]  ? skb_split+0x11e0/0x11e0
[  664.975926]  ? preempt_notifier_register+0x200/0x200
[  664.981087]  ? __switch_to_asm+0x34/0x70
[  664.985150]  ? __switch_to_asm+0x34/0x70
[  664.989207]  ? __switch_to_asm+0x40/0x70
[  664.993263]  ? __switch_to_asm+0x34/0x70
[  664.997320]  ? __switch_to_asm+0x40/0x70
[  665.001381]  ? __switch_to_asm+0x34/0x70
[  665.005446]  ? __switch_to_asm+0x40/0x70
[  665.009520]  ? __switch_to_asm+0x34/0x70
[  665.013579]  ? __switch_to_asm+0x34/0x70
[  665.017636]  ? __switch_to_asm+0x40/0x70
[  665.021704]  ? __switch_to_asm+0x34/0x70
[  665.025762]  bpf_clone_redirect+0xb9/0x490
[  665.029997]  ? __schedule+0x8d7/0x21d0
[  665.033903]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  665.038927]  ? __sched_text_start+0x8/0x8
[  665.043072]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  665.047664]  ? retint_kernel+0x2d/0x2d
[  665.051557]  ? trace_hardirqs_on_caller+0xc0/0x310
[  665.056487]  ? find_held_lock+0x36/0x1c0
[  665.060549]  ? lock_acquire+0x1ed/0x520
[  665.064518]  ? bpf_test_run+0x3ee/0x7a0
[  665.068485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.074020]  ? check_preemption_disabled+0x48/0x280
[  665.079045]  ? kasan_check_read+0x11/0x20
[  665.083203]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.088489]  ? rcu_softirq_qs+0x20/0x20
[  665.092463]  ? preempt_schedule+0x4d/0x60
[  665.096620]  ? ___preempt_schedule+0x16/0x18
[  665.101027]  ? bpf_test_run+0x271/0x7a0
[  665.105009]  ? netlink_diag_dump+0x2a0/0x2a0
[  665.109447]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.115010]  ? bpf_test_init.isra.10+0x70/0x100
[  665.119678]  ? bpf_prog_test_run_skb+0x762/0xd60
[  665.124452]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  665.129303]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  665.134843]  ? fput+0x130/0x1a0
[  665.138119]  ? __bpf_prog_get+0x9b/0x290
[  665.142175]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  665.147014]  ? bpf_prog_test_run+0x130/0x1a0
[  665.151444]  ? __x64_sys_bpf+0x3d8/0x520
[  665.155517]  ? bpf_prog_get+0x20/0x20
[  665.159340]  ? do_syscall_64+0x1b9/0x820
[  665.163415]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  665.168795]  ? syscall_return_slowpath+0x5e0/0x5e0
[  665.173745]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.178588]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.183602]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  665.188638]  ? prepare_exit_to_usermode+0x291/0x3b0
[  665.193664]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.198534]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  665.203919] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  665.203990] aoe: skb alloc failure
[  665.210680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  665.210704] Call Trace:
[  665.214323] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  665.223610]  <IRQ>
[  665.226186] syz-executor4 cpuset=syz4 mems_allowed=0
[  665.236662]  dump_stack+0x244/0x39d
[  665.247518]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.252753]  warn_alloc.cold.116+0xb7/0x1bd
[  665.257111]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  665.261960]  ? lock_downgrade+0x900/0x900
[  665.266126]  ? trace_hardirqs_off+0xb8/0x310
[  665.270543]  ? trace_hardirqs_off+0xb8/0x310
[  665.274961]  __alloc_pages_slowpath+0x2651/0x2de0
[  665.279835]  ? warn_alloc+0x120/0x120
[  665.283641]  ? print_usage_bug+0xc0/0xc0
[  665.287705]  ? warn_alloc+0x120/0x120
[  665.291511]  ? warn_alloc+0x120/0x120
[  665.295317]  ? print_usage_bug+0xc0/0xc0
[  665.299383]  ? kvm_clock_read+0x18/0x30
[  665.303355]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  665.308371]  ? print_usage_bug+0xc0/0xc0
[  665.312439]  ? __lock_acquire+0x62f/0x4c20
[  665.316676]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.322210]  ? should_fail+0x22d/0xd01
[  665.326106]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.331380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.336489]  ? __lock_acquire+0x62f/0x4c20
[  665.340746]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  665.345864]  ? __lock_acquire+0x62f/0x4c20
[  665.350096]  ? should_fail+0x22d/0xd01
[  665.353996]  ? rcu_irq_exit+0x1a2/0x390
[  665.357978]  ? mark_held_locks+0x130/0x130
[  665.362219]  ? mark_held_locks+0x130/0x130
[  665.366462]  ? mark_held_locks+0xc7/0x130
[  665.370607]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  665.375622]  ? zap_class+0x640/0x640
[  665.379335]  ? print_usage_bug+0xc0/0xc0
[  665.383413]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.388960]  ? check_preemption_disabled+0x48/0x280
[  665.393986]  ? __lock_is_held+0xb5/0x140
[  665.398058]  __alloc_pages_nodemask+0xad8/0xea0
[  665.402722]  ? zap_class+0x640/0x640
[  665.406448]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  665.411481]  ? find_held_lock+0x36/0x1c0
[  665.415556]  ? ____cache_alloc_node+0x1c7/0x1e0
[  665.420225]  ? lock_downgrade+0x900/0x900
[  665.424394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.429942]  cache_grow_begin+0xa5/0x8c0
[  665.434001]  ? do_raw_spin_unlock+0xa7/0x330
[  665.438438]  fallback_alloc+0x204/0x2e0
[  665.442443]  ____cache_alloc_node+0x1c7/0x1e0
[  665.446960]  kmem_cache_alloc_node+0xe3/0x730
[  665.451463]  ? ipv6_get_ifaddr+0x42e/0x620
[  665.455711]  __alloc_skb+0x119/0x770
[  665.459422]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.464712]  ? netdev_alloc_frag+0x1f0/0x1f0
[  665.469118]  ? lock_downgrade+0x900/0x900
[  665.473271]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.478814]  ? refcount_sub_and_test_checked+0x203/0x310
[  665.484263]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  665.489727]  ? addrconf_rs_timer+0x690/0x690
[  665.494143]  ndisc_alloc_skb+0x144/0x340
[  665.498205]  ndisc_send_rs+0x331/0x6e0
[  665.502089]  addrconf_rs_timer+0x314/0x690
[  665.506359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.510614]  call_timer_fn+0x272/0x920
[  665.514500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.518731]  ? process_timeout+0x40/0x40
[  665.522800]  ? mark_held_locks+0xc7/0x130
[  665.526951]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.531450]  ? _raw_spin_unlock_irq+0x27/0x80
[  665.535943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.540187]  ? lockdep_hardirqs_on+0x296/0x5b0
[  665.544841]  ? trace_hardirqs_on+0xbd/0x310
[  665.549161]  ? kasan_check_read+0x11/0x20
[  665.553307]  ? __run_timers+0x7da/0xc70
[  665.557423]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.563649]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.569021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  665.573314]  __run_timers+0x7e5/0xc70
[  665.577129]  ? timer_fixup_init+0x70/0x70
[  665.581407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  665.586667]  ? zap_class+0x640/0x640
[  665.590386]  ? print_usage_bug+0xc0/0xc0
[  665.594451]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  665.599923]  ? find_held_lock+0x36/0x1c0
[  665.604220]  ? zap_class+0x640/0x640
[  665.607932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.613463]  ? check_preemption_disabled+0x48/0x280
[  665.618511]  ? __lock_is_held+0xb5/0x140
[  665.622563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.628092]  ? check_preemption_disabled+0x48/0x280
[  665.633113]  run_timer_softirq+0x52/0xb0
[  665.637214]  ? rcu_read_lock_sched_held+0x14f/0x180
[  665.642230]  __do_softirq+0x308/0xb7e
[  665.646037]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  665.650531]  ? lock_downgrade+0x900/0x900
[  665.654681]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  665.659803]  ? pvclock_read_flags+0x160/0x160
[  665.664317]  ? lapic_next_event+0x5a/0x90
[  665.668464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.674003]  ? kvm_clock_read+0x18/0x30
[  665.677994]  ? kvm_sched_clock_read+0x9/0x20
[  665.682415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  665.687976]  ? check_preemption_disabled+0x48/0x280
[  665.692995]  irq_exit+0x17f/0x1c0
[  665.696453]  smp_apic_timer_interrupt+0x1cb/0x760
[  665.701312]  ? smp_call_function_single_interrupt+0x650/0x650
[  665.707192]  ? interrupt_entry+0xb5/0xc0
[  665.711246]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.716254]  ? trace_hardirqs_off_caller+0xbb/0x310
[  665.721273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.726117]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.731126]  ? trace_hardirqs_on_caller+0x310/0x310
[  665.736137]  ? task_prio+0x50/0x50
[  665.739672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.745206]  ? check_preemption_disabled+0x48/0x280
[  665.750221]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  665.755069]  apic_timer_interrupt+0xf/0x20
[  665.759295]  </IRQ>
[  665.761527] RIP: 0010:dump_stack+0x358/0x39d
[  665.765932] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  665.784989] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  665.792691] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  665.799955] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  665.807230] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  665.814518] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  665.821777] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  665.829053]  ? dump_stack+0x34f/0x39d
[  665.832857]  ? dump_stack_print_info.cold.1+0x20/0x20
[  665.838040]  ? mark_held_locks+0x130/0x130
[  665.842286]  ? mark_held_locks+0x130/0x130
[  665.846547]  dump_header+0x27b/0xf72
[  665.850305]  ? pagefault_out_of_memory+0x197/0x197
[  665.855238]  ? __lock_acquire+0x62f/0x4c20
[  665.859472]  ? percpu_ref_get_many+0x240/0x240
[  665.864053]  ? print_usage_bug+0xc0/0xc0
[  665.868136]  ? zap_class+0x640/0x640
[  665.871863]  ? print_usage_bug+0xc0/0xc0
[  665.875918]  ? print_usage_bug+0xc0/0xc0
[  665.879985]  ? zap_class+0x640/0x640
[  665.883715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  665.889255]  ? find_held_lock+0x36/0x1c0
[  665.893347]  ? mark_held_locks+0xc7/0x130
[  665.897508]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.902607]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  665.907708]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  665.912293]  ? trace_hardirqs_on+0xbd/0x310
[  665.916614]  ? kasan_check_read+0x11/0x20
[  665.920757]  ? ___ratelimit+0x3b4/0x672
[  665.924729]  ? trace_hardirqs_off_caller+0x310/0x310
[  665.929837]  ? trace_hardirqs_on+0x310/0x310
[  665.934274]  ? lock_downgrade+0x900/0x900
[  665.938435]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  665.943553]  ? ___ratelimit+0x3b9/0x672
[  665.947525]  ? idr_get_free+0xf70/0xf70
[  665.951495]  ? find_held_lock+0x36/0x1c0
[  665.955617]  oom_kill_process.cold.27+0x10/0x903
[  665.960369]  ? zap_class+0x640/0x640
[  665.964083]  ? check_preemption_disabled+0x48/0x280
[  665.969103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  665.974027]  ? kasan_check_read+0x11/0x20
[  665.978167]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  665.983458]  ? oom_evaluate_task+0x540/0x540
[  665.987874]  ? find_held_lock+0x36/0x1c0
[  665.991939]  ? out_of_memory+0x974/0x1430
[  665.996114]  ? lock_downgrade+0x900/0x900
[  666.000257]  ? check_preemption_disabled+0x48/0x280
[  666.005283]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.010215]  ? kasan_check_read+0x11/0x20
[  666.014365]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.019645]  ? rcu_softirq_qs+0x20/0x20
[  666.023630]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.029166]  ? oom_evaluate_task+0x302/0x540
[  666.033578]  out_of_memory+0xa84/0x1430
[  666.037557]  ? oom_killer_disable+0x3a0/0x3a0
[  666.042051]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  666.046981]  ? __ww_mutex_check_waiters+0x160/0x160
[  666.052007]  __alloc_pages_slowpath+0x232c/0x2de0
[  666.056891]  ? warn_alloc+0x120/0x120
[  666.060722]  ? mark_held_locks+0x130/0x130
[  666.064961]  ? find_get_entry+0xaae/0x1120
[  666.069202]  ? filemap_map_pages+0x1a20/0x1a20
[  666.073800]  ? zap_class+0x640/0x640
[  666.077517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  666.083049]  ? check_preemption_disabled+0x48/0x280
[  666.088090]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.093621]  ? should_fail+0x22d/0xd01
[  666.097504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.102617]  ? zap_class+0x640/0x640
[  666.106382]  ? __lock_is_held+0xb5/0x140
[  666.110456]  ? mark_held_locks+0x130/0x130
[  666.114693]  ? lock_release+0xa00/0xa00
[  666.118665]  ? perf_trace_sched_process_exec+0x860/0x860
[  666.124118]  ? xa_load+0x2ba/0x460
[  666.127666]  ? lock_downgrade+0x900/0x900
[  666.131862]  ? __might_sleep+0x95/0x190
[  666.135856]  __alloc_pages_nodemask+0xad8/0xea0
[  666.140528]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  666.145563]  ? __page_cache_alloc+0x191/0x5c0
[  666.150055]  ? xa_load+0x2e1/0x460
[  666.153596]  ? xa_clear_mark+0x40/0x40
[  666.157512]  ? zap_class+0x640/0x640
[  666.161232]  ? zap_class+0x640/0x640
[  666.164941]  ? zap_class+0x640/0x640
[  666.168652]  ? __do_page_cache_readahead+0x663/0x810
[  666.173757]  ? find_held_lock+0x36/0x1c0
[  666.177817]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  666.183370]  alloc_pages_current+0x173/0x350
[  666.187795]  __page_cache_alloc+0x38c/0x5c0
[  666.192107]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.197043]  ? kasan_check_read+0x11/0x20
[  666.201204]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.206479]  ? generic_perform_write+0x6a0/0x6a0
[  666.211229]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.216762]  ? check_preemption_disabled+0x48/0x280
[  666.221798]  filemap_fault+0x1595/0x25f0
[  666.225882]  ? __lock_page_or_retry+0xa00/0xa00
[  666.230556]  ? mark_held_locks+0x130/0x130
[  666.234823]  ? filemap_map_pages+0xd6b/0x1a20
[  666.239332]  ? lock_downgrade+0x900/0x900
[  666.243474]  ? check_preemption_disabled+0x48/0x280
[  666.248488]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.253413]  ? kasan_check_read+0x11/0x20
[  666.257627]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.262899]  ? rcu_softirq_qs+0x20/0x20
[  666.266886]  ? filemap_map_pages+0xd92/0x1a20
[  666.271388]  ? find_get_entries_tag+0x1400/0x1400
[  666.276228]  ? __kernel_text_address+0xd/0x40
[  666.280723]  ? unwind_get_return_address+0x61/0xa0
[  666.285693]  ? lock_acquire+0x1ed/0x520
[  666.289662]  ? ext4_filemap_fault+0x7a/0xad
[  666.294017]  ? lock_release+0xa00/0xa00
[  666.298024]  ? perf_trace_sched_process_exec+0x860/0x860
[  666.303474]  ? print_usage_bug+0xc0/0xc0
[  666.307536]  ? print_usage_bug+0xc0/0xc0
[  666.311593]  ? __x64_sys_read+0x73/0xb0
[  666.315581]  ? print_usage_bug+0xc0/0xc0
[  666.319665]  ? down_read+0x8d/0x120
[  666.323290]  ? ext4_filemap_fault+0x7a/0xad
[  666.327613]  ? __down_interruptible+0x700/0x700
[  666.332296]  ext4_filemap_fault+0x82/0xad
[  666.336450]  __do_fault+0x100/0x6b0
[  666.340079]  ? trace_hardirqs_on+0xbd/0x310
[  666.344400]  ? pmd_devmap_trans_unstable+0x220/0x220
[  666.349512]  ? mark_held_locks+0x130/0x130
[  666.353749]  ? mark_held_locks+0x130/0x130
[  666.357981]  ? do_syslog+0x147b/0x1690
[  666.361887]  ? do_syslog+0x309/0x1690
[  666.365760]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.371306]  __handle_mm_fault+0x3ea0/0x5be0
[  666.375737]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  666.380578]  ? find_held_lock+0x36/0x1c0
[  666.384655]  ? zap_class+0x640/0x640
[  666.388363]  ? zap_class+0x640/0x640
[  666.392110]  ? find_held_lock+0x36/0x1c0
[  666.396176]  ? handle_mm_fault+0x42a/0xc70
[  666.400408]  ? lock_downgrade+0x900/0x900
[  666.404577]  ? check_preemption_disabled+0x48/0x280
[  666.409596]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  666.414552]  ? kasan_check_read+0x11/0x20
[  666.418699]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  666.423988]  ? rcu_softirq_qs+0x20/0x20
[  666.427966]  ? trace_hardirqs_off_caller+0x310/0x310
[  666.433073]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.438621]  ? check_preemption_disabled+0x48/0x280
[  666.443643]  handle_mm_fault+0x54f/0xc70
[  666.447707]  ? __handle_mm_fault+0x5be0/0x5be0
[  666.452303]  ? find_vma+0x34/0x190
[  666.455879]  __do_page_fault+0x5e8/0xe60
[  666.459941]  ? trace_hardirqs_off+0xb8/0x310
[  666.464375]  ? kernel_write+0x120/0x120
[  666.468367]  do_page_fault+0xf2/0x7e0
[  666.472166]  ? vmalloc_sync_all+0x30/0x30
[  666.476318]  ? error_entry+0x70/0xd0
[  666.480032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  666.485076]  ? trace_hardirqs_on_caller+0xc0/0x310
[  666.490028]  ? syscall_return_slowpath+0x5e0/0x5e0
[  666.494983]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.499841]  ? trace_hardirqs_on_caller+0x310/0x310
[  666.504857]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  666.510316]  ? prepare_exit_to_usermode+0x291/0x3b0
[  666.515329]  ? page_fault+0x8/0x30
[  666.518892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  666.523794]  ? page_fault+0x8/0x30
[  666.527349]  page_fault+0x1e/0x30
[  666.530817] RIP: 0033:0x7fe9f4ff21fd
[  666.534554] Code: Bad RIP value.
[  666.537914] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  666.543273] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  666.550542] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  666.557819] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  666.565114] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  666.572379] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  666.579664] warn_alloc_show_mem: 1 callbacks suppressed
[  666.579677] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  666.579678] Mem-Info:
[  666.579707] active_anon:43385 inactive_anon:190 isolated_anon:0
[  666.579707]  active_file:9 inactive_file:19 isolated_file:0
[  666.579707]  unevictable:0 dirty:0 writeback:0 unstable:0
[  666.579707]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  666.579707]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  666.579707]  free:13722 free_pcp:438 free_cma:0
[  666.585054] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  666.592162] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  666.594563] Call Trace:
[  666.627340] 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
[  666.636679]  <IRQ>
[  666.664160] lowmem_reserve[]: 0 2818 6321 6321
[  666.666754]  dump_stack+0x244/0x39d
[  666.692837] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  666.694988]  ? dump_stack_print_info.cold.1+0x20/0x20
[  666.699539] lowmem_reserve[]: 0 0 3503 3503
[  666.703196]  warn_alloc.cold.116+0xb7/0x1bd
[  666.730492] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  666.735690]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  666.739988] lowmem_reserve[]: 0 0 0 0
[  666.744304]  ? lock_downgrade+0x900/0x900
[  666.773254] 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
[  666.778108]  ? trace_hardirqs_off+0xb8/0x310
[  666.781879] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  666.786026]  ? trace_hardirqs_off+0xb8/0x310
[  666.799518] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  666.803936]  __alloc_pages_slowpath+0x2651/0x2de0
[  666.818909] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  666.823326]  ? warn_alloc+0x120/0x120
[  666.838805] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  666.843744]  ? warn_alloc+0x120/0x120
[  666.852558] 272 total pagecache pages
[  666.856366]  ? warn_alloc+0x120/0x120
[  666.864919] 0 pages in swap cache
[  666.868721]  ? print_usage_bug+0xc0/0xc0
[  666.872501] Swap cache stats: add 0, delete 0, find 0/0
[  666.876306]  ? print_usage_bug+0xc0/0xc0
[  666.879735] Free swap  = 0kB
[  666.883792]  ? ktime_get+0x2c1/0x400
[  666.889118] Total swap = 0kB
[  666.889126] 1965979 pages RAM
[  666.893183]  ? check_preemption_disabled+0x48/0x280
[  666.896175] 0 pages HighMem/MovableOnly
[  666.899888]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  666.902881] 342854 pages reserved
[  666.906135]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  666.911128] 0 pages cma reserved
[  666.915105]  ? should_fail+0x22d/0xd01
[  666.919650] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  666.923020]  ? kasan_check_read+0x11/0x20
[  666.923036]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.923051]  ? __lock_acquire+0x62f/0x4c20
[  666.928620] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  666.931939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  666.935798] rsyslogd cpuset=/ mems_allowed=0
[  666.942313]  ? should_fail+0x22d/0xd01
[  666.979166]  ? print_usage_bug+0xc0/0xc0
[  666.983232]  ? mark_held_locks+0x130/0x130
[  666.987507]  ? mark_held_locks+0x130/0x130
[  666.991735]  ? check_preemption_disabled+0x48/0x280
[  666.996754]  ? zap_class+0x640/0x640
[  667.000485]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  667.005258]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.010799]  ? check_preemption_disabled+0x48/0x280
[  667.015828]  ? __lock_is_held+0xb5/0x140
[  667.019896]  __alloc_pages_nodemask+0xad8/0xea0
[  667.024563]  ? zap_class+0x640/0x640
[  667.028278]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  667.033322]  ? find_held_lock+0x36/0x1c0
[  667.037395]  ? ____cache_alloc_node+0x1c7/0x1e0
[  667.042093]  ? lock_downgrade+0x900/0x900
[  667.046247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.051795]  cache_grow_begin+0xa5/0x8c0
[  667.055863]  ? do_raw_spin_unlock+0xa7/0x330
[  667.060276]  fallback_alloc+0x204/0x2e0
[  667.064254]  ____cache_alloc_node+0x1c7/0x1e0
[  667.068755]  kmem_cache_alloc_node+0xe3/0x730
[  667.073259]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.077890]  __alloc_skb+0x119/0x770
[  667.081600]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  667.086965]  ? netdev_alloc_frag+0x1f0/0x1f0
[  667.091408]  ? vprintk_default+0x28/0x30
[  667.095496]  ? vprintk_func+0x85/0x181
[  667.099383]  ? printk+0xa7/0xcf
[  667.102663]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  667.107420]  ? do_raw_spin_trylock+0x270/0x270
[  667.112028]  new_skb+0x26/0x1c0
[  667.115303]  aoecmd_cfg+0x279/0x7f0
[  667.118926]  ? find_held_lock+0x36/0x1c0
[  667.122992]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  667.127327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.132866]  ? __lock_is_held+0xb5/0x140
[  667.136929]  discover_timer+0x50/0x60
[  667.140721]  call_timer_fn+0x272/0x920
[  667.144603]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.149460]  ? process_timeout+0x40/0x40
[  667.153523]  ? __run_timers+0x7da/0xc70
[  667.157493]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.161986]  ? _raw_spin_unlock_irq+0x27/0x80
[  667.166493]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.171335]  ? lockdep_hardirqs_on+0x296/0x5b0
[  667.175914]  ? trace_hardirqs_on+0xbd/0x310
[  667.180237]  ? kasan_check_read+0x11/0x20
[  667.184373]  ? __run_timers+0x7da/0xc70
[  667.188367]  ? trace_hardirqs_off_caller+0x310/0x310
[  667.193529]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  667.198377]  __run_timers+0x7e5/0xc70
[  667.202193]  ? timer_fixup_init+0x70/0x70
[  667.206351]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  667.211369]  ? zap_class+0x640/0x640
[  667.215083]  ? enqueue_hrtimer+0x1a5/0x560
[  667.219316]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  667.224505]  ? find_held_lock+0x36/0x1c0
[  667.228564]  ? zap_class+0x640/0x640
[  667.232307]  ? pvclock_read_flags+0x160/0x160
[  667.236818]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.242369]  ? check_preemption_disabled+0x48/0x280
[  667.247415]  ? __lock_is_held+0xb5/0x140
[  667.251497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.257029]  ? check_preemption_disabled+0x48/0x280
[  667.262046]  run_timer_softirq+0x52/0xb0
[  667.266105]  ? rcu_read_lock_sched_held+0x14f/0x180
[  667.271150]  __do_softirq+0x308/0xb7e
[  667.274966]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  667.279462]  ? lock_downgrade+0x900/0x900
[  667.283609]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  667.288714]  ? pvclock_read_flags+0x160/0x160
[  667.293207]  ? lapic_next_event+0x5a/0x90
[  667.297351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.302895]  ? kvm_clock_read+0x18/0x30
[  667.306868]  ? kvm_sched_clock_read+0x9/0x20
[  667.311315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.316855]  ? check_preemption_disabled+0x48/0x280
[  667.321890]  irq_exit+0x17f/0x1c0
[  667.325357]  smp_apic_timer_interrupt+0x1cb/0x760
[  667.330194]  ? smp_reschedule_interrupt+0x109/0x650
[  667.335232]  ? smp_call_function_single_interrupt+0x650/0x650
[  667.341115]  ? interrupt_entry+0xb5/0xc0
[  667.345192]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.350250]  ? trace_hardirqs_off_caller+0xbb/0x310
[  667.355270]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.360112]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.365155]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.370182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.375043]  apic_timer_interrupt+0xf/0x20
[  667.379284]  </IRQ>
[  667.381535] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  667.386464] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  667.405364] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  667.413084] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  667.420350] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  667.427612] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  667.434890] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  667.442152] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  667.449464]  skb_clone+0x1bb/0x500
[  667.453004]  ? finish_task_switch+0x2f4/0x910
[  667.457496]  ? skb_split+0x11e0/0x11e0
[  667.461384]  ? preempt_notifier_register+0x200/0x200
[  667.466481]  ? __switch_to_asm+0x34/0x70
[  667.470535]  ? __switch_to_asm+0x34/0x70
[  667.474606]  ? __switch_to_asm+0x40/0x70
[  667.478658]  ? __switch_to_asm+0x34/0x70
[  667.482708]  ? __switch_to_asm+0x40/0x70
[  667.486776]  ? __switch_to_asm+0x34/0x70
[  667.490831]  ? __switch_to_asm+0x40/0x70
[  667.494881]  ? __switch_to_asm+0x34/0x70
[  667.498981]  ? __switch_to_asm+0x34/0x70
[  667.503081]  ? __switch_to_asm+0x40/0x70
[  667.507138]  ? __switch_to_asm+0x34/0x70
[  667.511200]  bpf_clone_redirect+0xb9/0x490
[  667.515437]  ? __schedule+0x8d7/0x21d0
[  667.519423]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  667.524461]  ? __sched_text_start+0x8/0x8
[  667.528606]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  667.533184]  ? retint_kernel+0x2d/0x2d
[  667.537066]  ? trace_hardirqs_on_caller+0xc0/0x310
[  667.542015]  ? find_held_lock+0x36/0x1c0
[  667.546082]  ? lock_acquire+0x1ed/0x520
[  667.550053]  ? bpf_test_run+0x3ee/0x7a0
[  667.554073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.559612]  ? check_preemption_disabled+0x48/0x280
[  667.564633]  ? kasan_check_read+0x11/0x20
[  667.568796]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.574120]  ? rcu_softirq_qs+0x20/0x20
[  667.578089]  ? preempt_schedule+0x4d/0x60
[  667.582263]  ? ___preempt_schedule+0x16/0x18
[  667.586679]  ? bpf_test_run+0x271/0x7a0
[  667.590665]  ? netlink_diag_dump+0x2a0/0x2a0
[  667.595074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.600623]  ? bpf_test_init.isra.10+0x70/0x100
[  667.605328]  ? bpf_prog_test_run_skb+0x762/0xd60
[  667.610123]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.614969]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  667.620522]  ? fput+0x130/0x1a0
[  667.623816]  ? __bpf_prog_get+0x9b/0x290
[  667.627895]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  667.632754]  ? bpf_prog_test_run+0x130/0x1a0
[  667.637177]  ? __x64_sys_bpf+0x3d8/0x520
[  667.641237]  ? bpf_prog_get+0x20/0x20
[  667.645061]  ? do_syscall_64+0x1b9/0x820
[  667.649122]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  667.654490]  ? syscall_return_slowpath+0x5e0/0x5e0
[  667.659412]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.664270]  ? trace_hardirqs_on_caller+0x310/0x310
[  667.669300]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  667.674314]  ? prepare_exit_to_usermode+0x291/0x3b0
[  667.679338]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  667.684230]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  667.689609] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  667.689693] aoe: skb alloc failure
[  667.696382] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  667.696387] Call Trace:
[  667.696394]  <IRQ>
[  667.696412]  dump_stack+0x244/0x39d
[  667.696439]  ? dump_stack_print_info.cold.1+0x20/0x20
[  667.699987] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  667.709319]  warn_alloc.cold.116+0xb7/0x1bd
[  667.711870] syz-executor4 cpuset=syz4 mems_allowed=0
[  667.714012]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  667.747505]  ? lock_downgrade+0x900/0x900
[  667.751664]  ? trace_hardirqs_off+0xb8/0x310
[  667.756080]  ? trace_hardirqs_off+0xb8/0x310
[  667.760516]  __alloc_pages_slowpath+0x2651/0x2de0
[  667.765413]  ? warn_alloc+0x120/0x120
[  667.769233]  ? print_usage_bug+0xc0/0xc0
[  667.773453]  ? warn_alloc+0x120/0x120
[  667.777272]  ? warn_alloc+0x120/0x120
[  667.781080]  ? print_usage_bug+0xc0/0xc0
[  667.785151]  ? print_usage_bug+0xc0/0xc0
[  667.789215]  ? __lock_acquire+0x62f/0x4c20
[  667.793493]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  667.799034]  ? should_fail+0x22d/0xd01
[  667.802931]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.808035]  ? __lock_acquire+0x62f/0x4c20
[  667.812276]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  667.817397]  ? __lock_acquire+0x62f/0x4c20
[  667.821640]  ? should_fail+0x22d/0xd01
[  667.825528]  ? find_held_lock+0x36/0x1c0
[  667.829604]  ? mark_held_locks+0x130/0x130
[  667.833845]  ? mark_held_locks+0x130/0x130
[  667.838081]  ? zap_class+0x640/0x640
[  667.841795]  ? zap_class+0x640/0x640
[  667.845527]  ? print_usage_bug+0xc0/0xc0
[  667.849591]  ? do_raw_spin_unlock+0xa7/0x330
[  667.854002]  ? zap_class+0x640/0x640
[  667.857717]  ? print_usage_bug+0xc0/0xc0
[  667.861778]  ? wq_watchdog_touch+0x9c/0xfe
[  667.866021]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.871583]  ? check_preemption_disabled+0x48/0x280
[  667.876609]  ? __lock_is_held+0xb5/0x140
[  667.880694]  __alloc_pages_nodemask+0xad8/0xea0
[  667.885365]  ? zap_class+0x640/0x640
[  667.889084]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  667.894112]  ? find_held_lock+0x36/0x1c0
[  667.898214]  ? ____cache_alloc_node+0x1c7/0x1e0
[  667.902885]  ? lock_downgrade+0x900/0x900
[  667.907044]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.912585]  cache_grow_begin+0xa5/0x8c0
[  667.916648]  ? do_raw_spin_unlock+0xa7/0x330
[  667.921062]  fallback_alloc+0x204/0x2e0
[  667.925044]  ____cache_alloc_node+0x1c7/0x1e0
[  667.929551]  kmem_cache_alloc_node+0xe3/0x730
[  667.934046]  ? ipv6_get_ifaddr+0x42e/0x620
[  667.938307]  __alloc_skb+0x119/0x770
[  667.942037]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  667.947319]  ? netdev_alloc_frag+0x1f0/0x1f0
[  667.951727]  ? lock_downgrade+0x900/0x900
[  667.955881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  667.961420]  ? refcount_sub_and_test_checked+0x203/0x310
[  667.966880]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  667.972325]  ? addrconf_rs_timer+0x690/0x690
[  667.976736]  ndisc_alloc_skb+0x144/0x340
[  667.980820]  ndisc_send_rs+0x331/0x6e0
[  667.984740]  addrconf_rs_timer+0x314/0x690
[  667.988995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  667.993236]  call_timer_fn+0x272/0x920
[  667.997164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.001411]  ? process_timeout+0x40/0x40
[  668.005499]  ? mark_held_locks+0xc7/0x130
[  668.009651]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.014148]  ? _raw_spin_unlock_irq+0x27/0x80
[  668.018642]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.022879]  ? lockdep_hardirqs_on+0x296/0x5b0
[  668.027480]  ? trace_hardirqs_on+0xbd/0x310
[  668.031798]  ? kasan_check_read+0x11/0x20
[  668.035938]  ? __run_timers+0x7da/0xc70
[  668.039927]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.045060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.049301]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  668.053535]  __run_timers+0x7e5/0xc70
[  668.057340]  ? timer_fixup_init+0x70/0x70
[  668.061485]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  668.066506]  ? zap_class+0x640/0x640
[  668.070240]  ? print_usage_bug+0xc0/0xc0
[  668.074307]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  668.079499]  ? find_held_lock+0x36/0x1c0
[  668.083562]  ? zap_class+0x640/0x640
[  668.087282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.092819]  ? check_preemption_disabled+0x48/0x280
[  668.097848]  ? __lock_is_held+0xb5/0x140
[  668.101909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.107451]  ? check_preemption_disabled+0x48/0x280
[  668.112476]  run_timer_softirq+0x52/0xb0
[  668.116563]  ? rcu_read_lock_sched_held+0x14f/0x180
[  668.121583]  __do_softirq+0x308/0xb7e
[  668.125394]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  668.129896]  ? lock_downgrade+0x900/0x900
[  668.134051]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  668.139165]  ? pvclock_read_flags+0x160/0x160
[  668.143665]  ? lapic_next_event+0x5a/0x90
[  668.147814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.153357]  ? kvm_clock_read+0x18/0x30
[  668.157332]  ? kvm_sched_clock_read+0x9/0x20
[  668.161741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.167286]  ? check_preemption_disabled+0x48/0x280
[  668.172331]  irq_exit+0x17f/0x1c0
[  668.175790]  smp_apic_timer_interrupt+0x1cb/0x760
[  668.180637]  ? smp_call_function_single_interrupt+0x650/0x650
[  668.186523]  ? interrupt_entry+0xb5/0xc0
[  668.190608]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.195623]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.200639]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.205511]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.210528]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.215544]  ? task_prio+0x50/0x50
[  668.219085]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.224624]  ? check_preemption_disabled+0x48/0x280
[  668.229645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.234494]  apic_timer_interrupt+0xf/0x20
[  668.238720]  </IRQ>
[  668.240957] RIP: 0010:dump_stack+0x358/0x39d
[  668.245364] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  668.264262] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  668.271973] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  668.279254] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  668.286524] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  668.293786] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  668.301052] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  668.308345]  ? dump_stack+0x34f/0x39d
[  668.312173]  ? dump_stack_print_info.cold.1+0x20/0x20
[  668.317363]  ? mark_held_locks+0x130/0x130
[  668.321622]  ? mark_held_locks+0x130/0x130
[  668.325864]  dump_header+0x27b/0xf72
[  668.329602]  ? pagefault_out_of_memory+0x197/0x197
[  668.334540]  ? __lock_acquire+0x62f/0x4c20
[  668.338773]  ? percpu_ref_get_many+0x240/0x240
[  668.343351]  ? print_usage_bug+0xc0/0xc0
[  668.347416]  ? zap_class+0x640/0x640
[  668.351165]  ? print_usage_bug+0xc0/0xc0
[  668.355219]  ? print_usage_bug+0xc0/0xc0
[  668.359284]  ? zap_class+0x640/0x640
[  668.362996]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.368562]  ? find_held_lock+0x36/0x1c0
[  668.372633]  ? mark_held_locks+0xc7/0x130
[  668.376795]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.381925]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  668.387026]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  668.391601]  ? trace_hardirqs_on+0xbd/0x310
[  668.395931]  ? kasan_check_read+0x11/0x20
[  668.400088]  ? ___ratelimit+0x3b4/0x672
[  668.404068]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.409186]  ? trace_hardirqs_on+0x310/0x310
[  668.413588]  ? lock_downgrade+0x900/0x900
[  668.417734]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  668.422869]  ? ___ratelimit+0x3b9/0x672
[  668.426837]  ? idr_get_free+0xf70/0xf70
[  668.430802]  ? find_held_lock+0x36/0x1c0
[  668.434894]  oom_kill_process.cold.27+0x10/0x903
[  668.439643]  ? zap_class+0x640/0x640
[  668.443355]  ? check_preemption_disabled+0x48/0x280
[  668.448366]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.453304]  ? kasan_check_read+0x11/0x20
[  668.457447]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.462732]  ? oom_evaluate_task+0x540/0x540
[  668.467136]  ? find_held_lock+0x36/0x1c0
[  668.471210]  ? out_of_memory+0x974/0x1430
[  668.475354]  ? lock_downgrade+0x900/0x900
[  668.479510]  ? check_preemption_disabled+0x48/0x280
[  668.484527]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.489486]  ? kasan_check_read+0x11/0x20
[  668.493659]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.498930]  ? rcu_softirq_qs+0x20/0x20
[  668.502902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.508434]  ? oom_evaluate_task+0x302/0x540
[  668.512855]  out_of_memory+0xa84/0x1430
[  668.516844]  ? oom_killer_disable+0x3a0/0x3a0
[  668.521344]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  668.526266]  ? __ww_mutex_check_waiters+0x160/0x160
[  668.531298]  __alloc_pages_slowpath+0x232c/0x2de0
[  668.536156]  ? warn_alloc+0x120/0x120
[  668.539946]  ? mark_held_locks+0x130/0x130
[  668.544206]  ? find_get_entry+0xaae/0x1120
[  668.548456]  ? filemap_map_pages+0x1a20/0x1a20
[  668.553076]  ? zap_class+0x640/0x640
[  668.556826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  668.562393]  ? check_preemption_disabled+0x48/0x280
[  668.567403]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.572938]  ? should_fail+0x22d/0xd01
[  668.576826]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  668.581980]  ? zap_class+0x640/0x640
[  668.585712]  ? __lock_is_held+0xb5/0x140
[  668.589788]  ? mark_held_locks+0x130/0x130
[  668.594041]  ? lock_release+0xa00/0xa00
[  668.598010]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.603468]  ? xa_load+0x2ba/0x460
[  668.607018]  ? lock_downgrade+0x900/0x900
[  668.611180]  ? __might_sleep+0x95/0x190
[  668.615181]  __alloc_pages_nodemask+0xad8/0xea0
[  668.619845]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  668.624867]  ? __page_cache_alloc+0x191/0x5c0
[  668.629365]  ? xa_load+0x2e1/0x460
[  668.632903]  ? xa_clear_mark+0x40/0x40
[  668.636808]  ? zap_class+0x640/0x640
[  668.640538]  ? zap_class+0x640/0x640
[  668.644249]  ? zap_class+0x640/0x640
[  668.647965]  ? __do_page_cache_readahead+0x663/0x810
[  668.653073]  ? find_held_lock+0x36/0x1c0
[  668.657157]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  668.662717]  alloc_pages_current+0x173/0x350
[  668.667153]  __page_cache_alloc+0x38c/0x5c0
[  668.671481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.676423]  ? kasan_check_read+0x11/0x20
[  668.680600]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.685879]  ? generic_perform_write+0x6a0/0x6a0
[  668.690636]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.696191]  ? check_preemption_disabled+0x48/0x280
[  668.701230]  filemap_fault+0x1595/0x25f0
[  668.705749]  ? __lock_page_or_retry+0xa00/0xa00
[  668.710424]  ? mark_held_locks+0x130/0x130
[  668.714682]  ? filemap_map_pages+0xd6b/0x1a20
[  668.719196]  ? lock_downgrade+0x900/0x900
[  668.723346]  ? check_preemption_disabled+0x48/0x280
[  668.728363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.733298]  ? kasan_check_read+0x11/0x20
[  668.737453]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.742732]  ? rcu_softirq_qs+0x20/0x20
[  668.746719]  ? filemap_map_pages+0xd92/0x1a20
[  668.751226]  ? find_get_entries_tag+0x1400/0x1400
[  668.756074]  ? __kernel_text_address+0xd/0x40
[  668.760569]  ? unwind_get_return_address+0x61/0xa0
[  668.765518]  ? lock_acquire+0x1ed/0x520
[  668.769492]  ? ext4_filemap_fault+0x7a/0xad
[  668.773826]  ? lock_release+0xa00/0xa00
[  668.777800]  ? perf_trace_sched_process_exec+0x860/0x860
[  668.783257]  ? print_usage_bug+0xc0/0xc0
[  668.787321]  ? print_usage_bug+0xc0/0xc0
[  668.791381]  ? __x64_sys_read+0x73/0xb0
[  668.795355]  ? print_usage_bug+0xc0/0xc0
[  668.799434]  ? down_read+0x8d/0x120
[  668.803071]  ? ext4_filemap_fault+0x7a/0xad
[  668.807406]  ? __down_interruptible+0x700/0x700
[  668.812093]  ext4_filemap_fault+0x82/0xad
[  668.816248]  __do_fault+0x100/0x6b0
[  668.819880]  ? trace_hardirqs_on+0xbd/0x310
[  668.824221]  ? pmd_devmap_trans_unstable+0x220/0x220
[  668.829330]  ? mark_held_locks+0x130/0x130
[  668.833576]  ? mark_held_locks+0x130/0x130
[  668.837814]  ? do_syslog+0x147b/0x1690
[  668.841712]  ? do_syslog+0x309/0x1690
[  668.845524]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.851068]  __handle_mm_fault+0x3ea0/0x5be0
[  668.855500]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  668.860348]  ? find_held_lock+0x36/0x1c0
[  668.864439]  ? zap_class+0x640/0x640
[  668.868158]  ? zap_class+0x640/0x640
[  668.871877]  ? find_held_lock+0x36/0x1c0
[  668.875947]  ? handle_mm_fault+0x42a/0xc70
[  668.880193]  ? lock_downgrade+0x900/0x900
[  668.884347]  ? check_preemption_disabled+0x48/0x280
[  668.889367]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  668.894314]  ? kasan_check_read+0x11/0x20
[  668.898462]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  668.903735]  ? rcu_softirq_qs+0x20/0x20
[  668.908207]  ? trace_hardirqs_off_caller+0x310/0x310
[  668.913315]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  668.918866]  ? check_preemption_disabled+0x48/0x280
[  668.923943]  handle_mm_fault+0x54f/0xc70
[  668.928006]  ? __handle_mm_fault+0x5be0/0x5be0
[  668.932591]  ? find_vma+0x34/0x190
[  668.936144]  __do_page_fault+0x5e8/0xe60
[  668.940215]  ? trace_hardirqs_off+0xb8/0x310
[  668.944629]  ? kernel_write+0x120/0x120
[  668.948626]  do_page_fault+0xf2/0x7e0
[  668.952434]  ? vmalloc_sync_all+0x30/0x30
[  668.956578]  ? error_entry+0x70/0xd0
[  668.960295]  ? trace_hardirqs_off_caller+0xbb/0x310
[  668.965310]  ? trace_hardirqs_on_caller+0xc0/0x310
[  668.970231]  ? syscall_return_slowpath+0x5e0/0x5e0
[  668.975150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  668.979992]  ? trace_hardirqs_on_caller+0x310/0x310
[  668.985004]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  668.990465]  ? prepare_exit_to_usermode+0x291/0x3b0
[  668.995475]  ? page_fault+0x8/0x30
[  668.999016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.003855]  ? page_fault+0x8/0x30
[  669.007393]  page_fault+0x1e/0x30
[  669.010852] RIP: 0033:0x7fe9f4ff21fd
[  669.014575] Code: Bad RIP value.
[  669.017935] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  669.023300] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  669.030573] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  669.037841] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  669.045110] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  669.052375] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  669.059660] warn_alloc_show_mem: 1 callbacks suppressed
[  669.059672] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  669.059674] Mem-Info:
[  669.059702] active_anon:43385 inactive_anon:190 isolated_anon:0
[  669.059702]  active_file:9 inactive_file:19 isolated_file:0
[  669.059702]  unevictable:0 dirty:0 writeback:0 unstable:0
[  669.059702]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  669.059702]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  669.059702]  free:13722 free_pcp:438 free_cma:0
[  669.065046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  669.072186] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  669.074590] Call Trace:
[  669.107365] 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
[  669.116708]  <IRQ>
[  669.144309] lowmem_reserve[]: 0 2818 6321 6321
[  669.146890]  dump_stack+0x244/0x39d
[  669.172985] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  669.175157]  ? dump_stack_print_info.cold.1+0x20/0x20
[  669.179709] lowmem_reserve[]: 0 0 3503 3503
[  669.183332]  warn_alloc.cold.116+0xb7/0x1bd
[  669.210625] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  669.215822]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  669.220111] lowmem_reserve[]: 0 0 0 0
[  669.224448]  ? lock_downgrade+0x900/0x900
[  669.253391] 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
[  669.258224]  ? trace_hardirqs_off+0xb8/0x310
[  669.261992] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  669.266138]  ? trace_hardirqs_off+0xb8/0x310
[  669.279632] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  669.284061]  __alloc_pages_slowpath+0x2651/0x2de0
[  669.299033] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  669.303448]  ? warn_alloc+0x120/0x120
[  669.318947] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  669.323808]  ? warn_alloc+0x120/0x120
[  669.332618] 272 total pagecache pages
[  669.336405]  ? __lock_acquire+0x62f/0x4c20
[  669.344966] 0 pages in swap cache
[  669.348748]  ? warn_alloc+0x120/0x120
[  669.352614] Swap cache stats: add 0, delete 0, find 0/0
[  669.356839]  ? print_usage_bug+0xc0/0xc0
[  669.360271] Free swap  = 0kB
[  669.364062]  ? print_usage_bug+0xc0/0xc0
[  669.369415] Total swap = 0kB
[  669.373475]  ? mark_held_locks+0x130/0x130
[  669.376471] 1965979 pages RAM
[  669.380523]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  669.383514] 0 pages HighMem/MovableOnly
[  669.387737]  ? should_fail+0x22d/0xd01
[  669.390807] 342854 pages reserved
[  669.390814] 0 pages cma reserved
[  669.396352]  ? zap_class+0x640/0x640
[  669.400358] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  669.404183]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.404199]  ? __lock_acquire+0x62f/0x4c20
[  669.404215]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  669.407794] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  669.411056]  ? should_fail+0x22d/0xd01
[  669.414777] rsyslogd cpuset=/ mems_allowed=0
[  669.421273]  ? mark_held_locks+0x130/0x130
[  669.458162]  ? mark_held_locks+0x130/0x130
[  669.462405]  ? lock_downgrade+0x900/0x900
[  669.466560]  ? zap_class+0x640/0x640
[  669.470270]  ? zap_class+0x640/0x640
[  669.473998]  ? zap_class+0x640/0x640
[  669.477725]  ? do_raw_spin_unlock+0xa7/0x330
[  669.482132]  ? trace_hardirqs_on+0x310/0x310
[  669.486537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.492073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.497627]  ? check_preemption_disabled+0x48/0x280
[  669.502679]  ? __lock_is_held+0xb5/0x140
[  669.506786]  __alloc_pages_nodemask+0xad8/0xea0
[  669.511467]  ? zap_class+0x640/0x640
[  669.515179]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  669.520234]  ? find_held_lock+0x36/0x1c0
[  669.524304]  ? ____cache_alloc_node+0x1c7/0x1e0
[  669.528971]  ? lock_downgrade+0x900/0x900
[  669.533121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.538660]  cache_grow_begin+0xa5/0x8c0
[  669.542718]  ? do_raw_spin_unlock+0xa7/0x330
[  669.547134]  fallback_alloc+0x204/0x2e0
[  669.551138]  ____cache_alloc_node+0x1c7/0x1e0
[  669.555634]  kmem_cache_alloc_node+0xe3/0x730
[  669.560126]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.564744]  __alloc_skb+0x119/0x770
[  669.568456]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  669.573816]  ? netdev_alloc_frag+0x1f0/0x1f0
[  669.578223]  ? vprintk_default+0x28/0x30
[  669.582274]  ? vprintk_func+0x85/0x181
[  669.586155]  ? printk+0xa7/0xcf
[  669.589431]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  669.594221]  ? do_raw_spin_trylock+0x270/0x270
[  669.598819]  new_skb+0x26/0x1c0
[  669.602102]  aoecmd_cfg+0x279/0x7f0
[  669.605726]  ? find_held_lock+0x36/0x1c0
[  669.609785]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  669.614108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.619660]  ? __lock_is_held+0xb5/0x140
[  669.623846]  discover_timer+0x50/0x60
[  669.627687]  call_timer_fn+0x272/0x920
[  669.631582]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.636419]  ? process_timeout+0x40/0x40
[  669.640518]  ? __run_timers+0x7da/0xc70
[  669.644497]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.648993]  ? _raw_spin_unlock_irq+0x27/0x80
[  669.653514]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.658357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  669.662940]  ? trace_hardirqs_on+0xbd/0x310
[  669.667270]  ? kasan_check_read+0x11/0x20
[  669.671413]  ? __run_timers+0x7da/0xc70
[  669.675405]  ? trace_hardirqs_off_caller+0x310/0x310
[  669.680529]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  669.685363]  __run_timers+0x7e5/0xc70
[  669.689179]  ? timer_fixup_init+0x70/0x70
[  669.693323]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  669.698335]  ? zap_class+0x640/0x640
[  669.702057]  ? enqueue_hrtimer+0x1a5/0x560
[  669.706300]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  669.711490]  ? find_held_lock+0x36/0x1c0
[  669.715548]  ? zap_class+0x640/0x640
[  669.719272]  ? pvclock_read_flags+0x160/0x160
[  669.723761]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.729300]  ? check_preemption_disabled+0x48/0x280
[  669.734329]  ? __lock_is_held+0xb5/0x140
[  669.738384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.743922]  ? check_preemption_disabled+0x48/0x280
[  669.748951]  run_timer_softirq+0x52/0xb0
[  669.753035]  ? rcu_read_lock_sched_held+0x14f/0x180
[  669.758058]  __do_softirq+0x308/0xb7e
[  669.761853]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  669.766336]  ? lock_downgrade+0x900/0x900
[  669.770500]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  669.776105]  ? pvclock_read_flags+0x160/0x160
[  669.780595]  ? lapic_next_event+0x5a/0x90
[  669.784751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.790293]  ? kvm_clock_read+0x18/0x30
[  669.794263]  ? kvm_sched_clock_read+0x9/0x20
[  669.798682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  669.804228]  ? check_preemption_disabled+0x48/0x280
[  669.809259]  irq_exit+0x17f/0x1c0
[  669.812705]  smp_apic_timer_interrupt+0x1cb/0x760
[  669.817541]  ? smp_reschedule_interrupt+0x109/0x650
[  669.822567]  ? smp_call_function_single_interrupt+0x650/0x650
[  669.828454]  ? interrupt_entry+0xb5/0xc0
[  669.832524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.837550]  ? trace_hardirqs_off_caller+0xbb/0x310
[  669.842563]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.847401]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.852414]  ? trace_hardirqs_on_caller+0x310/0x310
[  669.857453]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  669.862300]  apic_timer_interrupt+0xf/0x20
[  669.866612]  </IRQ>
[  669.868845] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  669.873788] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  669.892685] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  669.900385] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  669.907645] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  669.914932] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  669.922192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  669.929504] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  669.936862]  skb_clone+0x1bb/0x500
[  669.940413]  ? finish_task_switch+0x2f4/0x910
[  669.944912]  ? skb_split+0x11e0/0x11e0
[  669.948802]  ? preempt_notifier_register+0x200/0x200
[  669.953915]  ? __switch_to_asm+0x34/0x70
[  669.957969]  ? __switch_to_asm+0x34/0x70
[  669.962022]  ? __switch_to_asm+0x40/0x70
[  669.966118]  ? __switch_to_asm+0x34/0x70
[  669.970172]  ? __switch_to_asm+0x40/0x70
[  669.974226]  ? __switch_to_asm+0x34/0x70
[  669.978277]  ? __switch_to_asm+0x40/0x70
[  669.982328]  ? __switch_to_asm+0x34/0x70
[  669.986380]  ? __switch_to_asm+0x34/0x70
[  669.990441]  ? __switch_to_asm+0x40/0x70
[  669.994501]  ? __switch_to_asm+0x34/0x70
[  669.998561]  bpf_clone_redirect+0xb9/0x490
[  670.002802]  ? __schedule+0x8d7/0x21d0
[  670.006710]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  670.011728]  ? __sched_text_start+0x8/0x8
[  670.015897]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  670.020483]  ? retint_kernel+0x2d/0x2d
[  670.024374]  ? trace_hardirqs_on_caller+0xc0/0x310
[  670.029306]  ? find_held_lock+0x36/0x1c0
[  670.033378]  ? lock_acquire+0x1ed/0x520
[  670.037352]  ? bpf_test_run+0x3ee/0x7a0
[  670.041324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.046889]  ? check_preemption_disabled+0x48/0x280
[  670.051925]  ? kasan_check_read+0x11/0x20
[  670.056084]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.061354]  ? rcu_softirq_qs+0x20/0x20
[  670.065341]  ? preempt_schedule+0x4d/0x60
[  670.069502]  ? ___preempt_schedule+0x16/0x18
[  670.073913]  ? bpf_test_run+0x271/0x7a0
[  670.077924]  ? netlink_diag_dump+0x2a0/0x2a0
[  670.082330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.087861]  ? bpf_test_init.isra.10+0x70/0x100
[  670.092560]  ? bpf_prog_test_run_skb+0x762/0xd60
[  670.097340]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  670.102190]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  670.107721]  ? fput+0x130/0x1a0
[  670.111005]  ? __bpf_prog_get+0x9b/0x290
[  670.115082]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  670.119921]  ? bpf_prog_test_run+0x130/0x1a0
[  670.124329]  ? __x64_sys_bpf+0x3d8/0x520
[  670.128385]  ? bpf_prog_get+0x20/0x20
[  670.132232]  ? do_syscall_64+0x1b9/0x820
[  670.136288]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  670.141647]  ? syscall_return_slowpath+0x5e0/0x5e0
[  670.146584]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.151420]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.156483]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  670.161509]  ? prepare_exit_to_usermode+0x291/0x3b0
[  670.166568]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.171447]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  670.176824] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  670.176880] aoe: skb alloc failure
[  670.183568] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  670.183572] Call Trace:
[  670.183577]  <IRQ>
[  670.183590]  dump_stack+0x244/0x39d
[  670.183606]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.183626]  warn_alloc.cold.116+0xb7/0x1bd
[  670.187157] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  670.196476]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  670.199049] syz-executor4 cpuset=syz4 mems_allowed=0
[  670.201195]  ? lock_downgrade+0x900/0x900
[  670.238747]  ? trace_hardirqs_off+0xb8/0x310
[  670.243152]  ? trace_hardirqs_off+0xb8/0x310
[  670.247572]  __alloc_pages_slowpath+0x2651/0x2de0
[  670.252435]  ? warn_alloc+0x120/0x120
[  670.256249]  ? warn_alloc+0x120/0x120
[  670.260096]  ? warn_alloc+0x120/0x120
[  670.263922]  ? print_usage_bug+0xc0/0xc0
[  670.268014]  ? print_usage_bug+0xc0/0xc0
[  670.272117]  ? mark_held_locks+0x130/0x130
[  670.276352]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.281882]  ? should_fail+0x22d/0xd01
[  670.285777]  ? __lock_acquire+0x62f/0x4c20
[  670.290016]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.295116]  ? __lock_acquire+0x62f/0x4c20
[  670.299349]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  670.304451]  ? __lock_acquire+0x62f/0x4c20
[  670.308678]  ? should_fail+0x22d/0xd01
[  670.312566]  ? mark_held_locks+0x130/0x130
[  670.316831]  ? mark_held_locks+0x130/0x130
[  670.321060]  ? zap_class+0x640/0x640
[  670.324800]  ? zap_class+0x640/0x640
[  670.328541]  ? check_preemption_disabled+0x48/0x280
[  670.333554]  ? zap_class+0x640/0x640
[  670.337264]  ? print_usage_bug+0xc0/0xc0
[  670.341346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.346882]  ? check_preemption_disabled+0x48/0x280
[  670.351916]  ? __lock_is_held+0xb5/0x140
[  670.355982]  __alloc_pages_nodemask+0xad8/0xea0
[  670.360646]  ? zap_class+0x640/0x640
[  670.364358]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  670.369409]  ? find_held_lock+0x36/0x1c0
[  670.373501]  ? ____cache_alloc_node+0x1c7/0x1e0
[  670.378171]  ? lock_downgrade+0x900/0x900
[  670.382343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.387900]  cache_grow_begin+0xa5/0x8c0
[  670.391962]  ? do_raw_spin_unlock+0xa7/0x330
[  670.396396]  fallback_alloc+0x204/0x2e0
[  670.400375]  ____cache_alloc_node+0x1c7/0x1e0
[  670.404889]  kmem_cache_alloc_node+0xe3/0x730
[  670.409382]  ? ipv6_get_ifaddr+0x42e/0x620
[  670.413622]  __alloc_skb+0x119/0x770
[  670.417330]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.422606]  ? netdev_alloc_frag+0x1f0/0x1f0
[  670.427011]  ? lock_downgrade+0x900/0x900
[  670.431173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.436722]  ? refcount_sub_and_test_checked+0x203/0x310
[  670.442186]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  670.447631]  ? addrconf_rs_timer+0x690/0x690
[  670.452045]  ndisc_alloc_skb+0x144/0x340
[  670.456106]  ndisc_send_rs+0x331/0x6e0
[  670.460007]  addrconf_rs_timer+0x314/0x690
[  670.464241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.468491]  call_timer_fn+0x272/0x920
[  670.472371]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.476600]  ? process_timeout+0x40/0x40
[  670.480677]  ? mark_held_locks+0xc7/0x130
[  670.484845]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.489330]  ? _raw_spin_unlock_irq+0x27/0x80
[  670.493812]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.498038]  ? lockdep_hardirqs_on+0x296/0x5b0
[  670.502624]  ? trace_hardirqs_on+0xbd/0x310
[  670.506939]  ? kasan_check_read+0x11/0x20
[  670.511103]  ? __run_timers+0x7da/0xc70
[  670.515083]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.520187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  670.524436]  __run_timers+0x7e5/0xc70
[  670.528238]  ? timer_fixup_init+0x70/0x70
[  670.532379]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  670.537392]  ? zap_class+0x640/0x640
[  670.541107]  ? print_usage_bug+0xc0/0xc0
[  670.545168]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  670.550366]  ? find_held_lock+0x36/0x1c0
[  670.554423]  ? zap_class+0x640/0x640
[  670.558330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.563878]  ? check_preemption_disabled+0x48/0x280
[  670.568947]  ? __lock_is_held+0xb5/0x140
[  670.573009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.578574]  ? check_preemption_disabled+0x48/0x280
[  670.583605]  run_timer_softirq+0x52/0xb0
[  670.587660]  ? rcu_read_lock_sched_held+0x14f/0x180
[  670.592668]  __do_softirq+0x308/0xb7e
[  670.596485]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  670.600975]  ? lock_downgrade+0x900/0x900
[  670.605121]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  670.610228]  ? pvclock_read_flags+0x160/0x160
[  670.614717]  ? lapic_next_event+0x5a/0x90
[  670.618861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.624412]  ? kvm_clock_read+0x18/0x30
[  670.628387]  ? kvm_sched_clock_read+0x9/0x20
[  670.632810]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.638346]  ? check_preemption_disabled+0x48/0x280
[  670.643385]  irq_exit+0x17f/0x1c0
[  670.646837]  smp_apic_timer_interrupt+0x1cb/0x760
[  670.651681]  ? smp_call_function_single_interrupt+0x650/0x650
[  670.657561]  ? interrupt_entry+0xb5/0xc0
[  670.661633]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.666646]  ? trace_hardirqs_off_caller+0xbb/0x310
[  670.671659]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.676500]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.681554]  ? trace_hardirqs_on_caller+0x310/0x310
[  670.686563]  ? task_prio+0x50/0x50
[  670.690097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.695667]  ? check_preemption_disabled+0x48/0x280
[  670.700704]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  670.705547]  apic_timer_interrupt+0xf/0x20
[  670.709768]  </IRQ>
[  670.711999] RIP: 0010:dump_stack+0x358/0x39d
[  670.716399] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  670.735298] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  670.743009] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  670.750263] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  670.757538] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  670.764837] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  670.772113] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  670.779498]  ? dump_stack+0x34f/0x39d
[  670.783322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  670.788513]  ? mark_held_locks+0x130/0x130
[  670.792761]  ? mark_held_locks+0x130/0x130
[  670.796997]  dump_header+0x27b/0xf72
[  670.800729]  ? pagefault_out_of_memory+0x197/0x197
[  670.805704]  ? __lock_acquire+0x62f/0x4c20
[  670.809934]  ? percpu_ref_get_many+0x240/0x240
[  670.814513]  ? print_usage_bug+0xc0/0xc0
[  670.818575]  ? zap_class+0x640/0x640
[  670.822292]  ? print_usage_bug+0xc0/0xc0
[  670.826365]  ? print_usage_bug+0xc0/0xc0
[  670.830418]  ? zap_class+0x640/0x640
[  670.834137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  670.839673]  ? find_held_lock+0x36/0x1c0
[  670.843739]  ? mark_held_locks+0xc7/0x130
[  670.847883]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.852979]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  670.858091]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  670.862668]  ? trace_hardirqs_on+0xbd/0x310
[  670.866983]  ? kasan_check_read+0x11/0x20
[  670.871141]  ? ___ratelimit+0x3b4/0x672
[  670.875125]  ? trace_hardirqs_off_caller+0x310/0x310
[  670.880227]  ? trace_hardirqs_on+0x310/0x310
[  670.884634]  ? lock_downgrade+0x900/0x900
[  670.888789]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  670.893906]  ? ___ratelimit+0x3b9/0x672
[  670.897877]  ? idr_get_free+0xf70/0xf70
[  670.901843]  ? find_held_lock+0x36/0x1c0
[  670.906396]  oom_kill_process.cold.27+0x10/0x903
[  670.911150]  ? zap_class+0x640/0x640
[  670.914860]  ? check_preemption_disabled+0x48/0x280
[  670.919870]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.924792]  ? kasan_check_read+0x11/0x20
[  670.928935]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.934207]  ? oom_evaluate_task+0x540/0x540
[  670.938611]  ? find_held_lock+0x36/0x1c0
[  670.942673]  ? out_of_memory+0x974/0x1430
[  670.946819]  ? lock_downgrade+0x900/0x900
[  670.950978]  ? check_preemption_disabled+0x48/0x280
[  670.955993]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  670.960915]  ? kasan_check_read+0x11/0x20
[  670.965090]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  670.970359]  ? rcu_softirq_qs+0x20/0x20
[  670.974330]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  670.979876]  ? oom_evaluate_task+0x302/0x540
[  670.984308]  out_of_memory+0xa84/0x1430
[  670.988290]  ? oom_killer_disable+0x3a0/0x3a0
[  670.992888]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  670.997818]  ? __ww_mutex_check_waiters+0x160/0x160
[  671.002864]  __alloc_pages_slowpath+0x232c/0x2de0
[  671.007748]  ? warn_alloc+0x120/0x120
[  671.011562]  ? mark_held_locks+0x130/0x130
[  671.015807]  ? find_get_entry+0xaae/0x1120
[  671.020054]  ? filemap_map_pages+0x1a20/0x1a20
[  671.024646]  ? zap_class+0x640/0x640
[  671.028368]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.033920]  ? check_preemption_disabled+0x48/0x280
[  671.038932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.044471]  ? should_fail+0x22d/0xd01
[  671.048361]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.053462]  ? zap_class+0x640/0x640
[  671.057222]  ? __lock_is_held+0xb5/0x140
[  671.061288]  ? mark_held_locks+0x130/0x130
[  671.065542]  ? lock_release+0xa00/0xa00
[  671.069516]  ? perf_trace_sched_process_exec+0x860/0x860
[  671.074969]  ? xa_load+0x2ba/0x460
[  671.078513]  ? lock_downgrade+0x900/0x900
[  671.082667]  ? __might_sleep+0x95/0x190
[  671.086647]  __alloc_pages_nodemask+0xad8/0xea0
[  671.091321]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.096349]  ? __page_cache_alloc+0x191/0x5c0
[  671.100841]  ? xa_load+0x2e1/0x460
[  671.104398]  ? xa_clear_mark+0x40/0x40
[  671.108297]  ? zap_class+0x640/0x640
[  671.112043]  ? zap_class+0x640/0x640
[  671.115771]  ? zap_class+0x640/0x640
[  671.119482]  ? __do_page_cache_readahead+0x663/0x810
[  671.124593]  ? find_held_lock+0x36/0x1c0
[  671.128661]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  671.134203]  alloc_pages_current+0x173/0x350
[  671.138619]  __page_cache_alloc+0x38c/0x5c0
[  671.142937]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  671.147864]  ? kasan_check_read+0x11/0x20
[  671.152011]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.157296]  ? generic_perform_write+0x6a0/0x6a0
[  671.162054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.167588]  ? check_preemption_disabled+0x48/0x280
[  671.172607]  filemap_fault+0x1595/0x25f0
[  671.176707]  ? __lock_page_or_retry+0xa00/0xa00
[  671.181391]  ? mark_held_locks+0x130/0x130
[  671.185631]  ? filemap_map_pages+0xd6b/0x1a20
[  671.190126]  ? lock_downgrade+0x900/0x900
[  671.194291]  ? check_preemption_disabled+0x48/0x280
[  671.199322]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  671.204243]  ? kasan_check_read+0x11/0x20
[  671.208382]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.213651]  ? rcu_softirq_qs+0x20/0x20
[  671.217630]  ? filemap_map_pages+0xd92/0x1a20
[  671.222148]  ? find_get_entries_tag+0x1400/0x1400
[  671.227021]  ? __kernel_text_address+0xd/0x40
[  671.231512]  ? unwind_get_return_address+0x61/0xa0
[  671.236487]  ? lock_acquire+0x1ed/0x520
[  671.240462]  ? ext4_filemap_fault+0x7a/0xad
[  671.244805]  ? lock_release+0xa00/0xa00
[  671.248777]  ? perf_trace_sched_process_exec+0x860/0x860
[  671.254237]  ? print_usage_bug+0xc0/0xc0
[  671.258298]  ? print_usage_bug+0xc0/0xc0
[  671.262356]  ? __x64_sys_read+0x73/0xb0
[  671.266325]  ? print_usage_bug+0xc0/0xc0
[  671.270394]  ? down_read+0x8d/0x120
[  671.274014]  ? ext4_filemap_fault+0x7a/0xad
[  671.278361]  ? __down_interruptible+0x700/0x700
[  671.283032]  ext4_filemap_fault+0x82/0xad
[  671.287175]  __do_fault+0x100/0x6b0
[  671.290797]  ? trace_hardirqs_on+0xbd/0x310
[  671.295148]  ? pmd_devmap_trans_unstable+0x220/0x220
[  671.300249]  ? mark_held_locks+0x130/0x130
[  671.304486]  ? mark_held_locks+0x130/0x130
[  671.308733]  ? do_syslog+0x147b/0x1690
[  671.312622]  ? do_syslog+0x309/0x1690
[  671.316421]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.321969]  __handle_mm_fault+0x3ea0/0x5be0
[  671.326384]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  671.331227]  ? find_held_lock+0x36/0x1c0
[  671.335310]  ? zap_class+0x640/0x640
[  671.339041]  ? zap_class+0x640/0x640
[  671.342775]  ? find_held_lock+0x36/0x1c0
[  671.346840]  ? handle_mm_fault+0x42a/0xc70
[  671.351107]  ? lock_downgrade+0x900/0x900
[  671.355266]  ? check_preemption_disabled+0x48/0x280
[  671.360294]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  671.365220]  ? kasan_check_read+0x11/0x20
[  671.369379]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  671.374654]  ? rcu_softirq_qs+0x20/0x20
[  671.378621]  ? trace_hardirqs_off_caller+0x310/0x310
[  671.383718]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.389296]  ? check_preemption_disabled+0x48/0x280
[  671.394326]  handle_mm_fault+0x54f/0xc70
[  671.398394]  ? __handle_mm_fault+0x5be0/0x5be0
[  671.402991]  ? find_vma+0x34/0x190
[  671.406529]  __do_page_fault+0x5e8/0xe60
[  671.410582]  ? trace_hardirqs_off+0xb8/0x310
[  671.414996]  ? kernel_write+0x120/0x120
[  671.418974]  do_page_fault+0xf2/0x7e0
[  671.422784]  ? vmalloc_sync_all+0x30/0x30
[  671.426925]  ? error_entry+0x70/0xd0
[  671.430630]  ? trace_hardirqs_off_caller+0xbb/0x310
[  671.435635]  ? trace_hardirqs_on_caller+0xc0/0x310
[  671.440556]  ? syscall_return_slowpath+0x5e0/0x5e0
[  671.445481]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.450314]  ? trace_hardirqs_on_caller+0x310/0x310
[  671.455328]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  671.460783]  ? prepare_exit_to_usermode+0x291/0x3b0
[  671.465792]  ? page_fault+0x8/0x30
[  671.469324]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  671.474173]  ? page_fault+0x8/0x30
[  671.477720]  page_fault+0x1e/0x30
[  671.481162] RIP: 0033:0x7fe9f4ff21fd
[  671.484880] Code: Bad RIP value.
[  671.488235] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  671.493587] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  671.500864] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  671.508137] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  671.515398] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  671.522670] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  671.529968] warn_alloc_show_mem: 1 callbacks suppressed
[  671.529979] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  671.529981] Mem-Info:
[  671.530008] active_anon:43385 inactive_anon:190 isolated_anon:0
[  671.530008]  active_file:9 inactive_file:19 isolated_file:0
[  671.530008]  unevictable:0 dirty:0 writeback:0 unstable:0
[  671.530008]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  671.530008]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  671.530008]  free:13722 free_pcp:438 free_cma:0
[  671.535345] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  671.535353] Call Trace:
[  671.542463] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  671.544864]  <IRQ>
[  671.577641] 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
[  671.586993]  dump_stack+0x244/0x39d
[  671.589547] lowmem_reserve[]: 0 2818 6321 6321
[  671.617167]  ? dump_stack_print_info.cold.1+0x20/0x20
[  671.619296] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  671.645406]  warn_alloc.cold.116+0xb7/0x1bd
[  671.649000] lowmem_reserve[]: 0 0 3503 3503
[  671.653594]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  671.658757] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  671.686079]  ? lock_downgrade+0x900/0x900
[  671.690368] lowmem_reserve[]: 0 0 0 0
[  671.694700]  ? trace_hardirqs_off+0xb8/0x310
[  671.699533] 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
[  671.728500]  ? trace_hardirqs_off+0xb8/0x310
[  671.732639] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  671.736444]  __alloc_pages_slowpath+0x2651/0x2de0
[  671.740819] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  671.754352]  ? warn_alloc+0x120/0x120
[  671.758721] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  671.773864]  ? warn_alloc+0x120/0x120
[  671.778692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  671.794198]  ? __lock_acquire+0x62f/0x4c20
[  671.797975] 272 total pagecache pages
[  671.806815]  ? warn_alloc+0x120/0x120
[  671.810595] 0 pages in swap cache
[  671.819152]  ? print_usage_bug+0xc0/0xc0
[  671.823362] Swap cache stats: add 0, delete 0, find 0/0
[  671.827166]  ? print_usage_bug+0xc0/0xc0
[  671.830951] Free swap  = 0kB
[  671.834418]  ? mark_held_locks+0x130/0x130
[  671.838488] Total swap = 0kB
[  671.843869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  671.847898] 1965979 pages RAM
[  671.850974]  ? should_fail+0x22d/0xd01
[  671.855170] 0 pages HighMem/MovableOnly
[  671.855176] 342854 pages reserved
[  671.858176]  ? zap_class+0x640/0x640
[  671.863702] 0 pages cma reserved
[  671.866797]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.870739] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  671.874631]  ? __lock_acquire+0x62f/0x4c20
[  671.874647]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  671.874660]  ? should_fail+0x22d/0xd01
[  671.878147] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  671.881833]  ? mark_held_locks+0x130/0x130
[  671.885200] rsyslogd cpuset=/ mems_allowed=0
[  671.890296]  ? mark_held_locks+0x130/0x130
[  671.932818]  ? lock_downgrade+0x900/0x900
[  671.936964]  ? zap_class+0x640/0x640
[  671.940675]  ? zap_class+0x640/0x640
[  671.944388]  ? zap_class+0x640/0x640
[  671.948098]  ? do_raw_spin_unlock+0xa7/0x330
[  671.952514]  ? trace_hardirqs_on+0x310/0x310
[  671.956925]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.962477]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  671.968017]  ? check_preemption_disabled+0x48/0x280
[  671.973044]  ? __lock_is_held+0xb5/0x140
[  671.977127]  __alloc_pages_nodemask+0xad8/0xea0
[  671.981805]  ? zap_class+0x640/0x640
[  671.985563]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  671.990593]  ? find_held_lock+0x36/0x1c0
[  671.994666]  ? ____cache_alloc_node+0x1c7/0x1e0
[  671.999340]  ? lock_downgrade+0x900/0x900
[  672.003497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.009041]  cache_grow_begin+0xa5/0x8c0
[  672.013102]  ? do_raw_spin_unlock+0xa7/0x330
[  672.017519]  fallback_alloc+0x204/0x2e0
[  672.021502]  ____cache_alloc_node+0x1c7/0x1e0
[  672.026007]  kmem_cache_alloc_node+0xe3/0x730
[  672.030515]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.035120]  __alloc_skb+0x119/0x770
[  672.038833]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  672.044212]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.048629]  ? vprintk_default+0x28/0x30
[  672.052695]  ? vprintk_func+0x85/0x181
[  672.056581]  ? printk+0xa7/0xcf
[  672.059864]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  672.064622]  ? do_raw_spin_trylock+0x270/0x270
[  672.069207]  new_skb+0x26/0x1c0
[  672.072487]  aoecmd_cfg+0x279/0x7f0
[  672.076117]  ? find_held_lock+0x36/0x1c0
[  672.080179]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  672.084509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.090059]  ? __lock_is_held+0xb5/0x140
[  672.094132]  discover_timer+0x50/0x60
[  672.097931]  call_timer_fn+0x272/0x920
[  672.101822]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.106669]  ? process_timeout+0x40/0x40
[  672.110741]  ? __run_timers+0x7da/0xc70
[  672.114720]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.119212]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.123720]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.128583]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.133172]  ? trace_hardirqs_on+0xbd/0x310
[  672.137492]  ? kasan_check_read+0x11/0x20
[  672.141635]  ? __run_timers+0x7da/0xc70
[  672.145607]  ? trace_hardirqs_off_caller+0x310/0x310
[  672.150718]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  672.155590]  __run_timers+0x7e5/0xc70
[  672.159417]  ? timer_fixup_init+0x70/0x70
[  672.163576]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  672.168590]  ? zap_class+0x640/0x640
[  672.172303]  ? enqueue_hrtimer+0x1a5/0x560
[  672.176562]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  672.181759]  ? find_held_lock+0x36/0x1c0
[  672.185833]  ? zap_class+0x640/0x640
[  672.189548]  ? pvclock_read_flags+0x160/0x160
[  672.194037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.199570]  ? check_preemption_disabled+0x48/0x280
[  672.204592]  ? __lock_is_held+0xb5/0x140
[  672.208661]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.214189]  ? check_preemption_disabled+0x48/0x280
[  672.219219]  run_timer_softirq+0x52/0xb0
[  672.223278]  ? rcu_read_lock_sched_held+0x14f/0x180
[  672.228300]  __do_softirq+0x308/0xb7e
[  672.232103]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  672.236603]  ? lock_downgrade+0x900/0x900
[  672.240774]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  672.245896]  ? pvclock_read_flags+0x160/0x160
[  672.250395]  ? lapic_next_event+0x5a/0x90
[  672.254553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.260098]  ? kvm_clock_read+0x18/0x30
[  672.264071]  ? kvm_sched_clock_read+0x9/0x20
[  672.268482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.274021]  ? check_preemption_disabled+0x48/0x280
[  672.279050]  irq_exit+0x17f/0x1c0
[  672.282527]  smp_apic_timer_interrupt+0x1cb/0x760
[  672.287372]  ? smp_reschedule_interrupt+0x109/0x650
[  672.292390]  ? smp_call_function_single_interrupt+0x650/0x650
[  672.298281]  ? interrupt_entry+0xb5/0xc0
[  672.302346]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.307361]  ? trace_hardirqs_off_caller+0xbb/0x310
[  672.312392]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.317241]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.322255]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.327280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.332150]  apic_timer_interrupt+0xf/0x20
[  672.336379]  </IRQ>
[  672.338619] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  672.343546] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  672.362463] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  672.370183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  672.377453] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  672.384719] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  672.391983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  672.399278] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  672.406588]  skb_clone+0x1bb/0x500
[  672.410130]  ? finish_task_switch+0x2f4/0x910
[  672.414619]  ? skb_split+0x11e0/0x11e0
[  672.418503]  ? preempt_notifier_register+0x200/0x200
[  672.423594]  ? __switch_to_asm+0x34/0x70
[  672.427665]  ? __switch_to_asm+0x34/0x70
[  672.431763]  ? __switch_to_asm+0x40/0x70
[  672.435816]  ? __switch_to_asm+0x34/0x70
[  672.439882]  ? __switch_to_asm+0x40/0x70
[  672.443934]  ? __switch_to_asm+0x34/0x70
[  672.447988]  ? __switch_to_asm+0x40/0x70
[  672.452043]  ? __switch_to_asm+0x34/0x70
[  672.456125]  ? __switch_to_asm+0x34/0x70
[  672.460177]  ? __switch_to_asm+0x40/0x70
[  672.464245]  ? __switch_to_asm+0x34/0x70
[  672.468300]  bpf_clone_redirect+0xb9/0x490
[  672.472527]  ? __schedule+0x8d7/0x21d0
[  672.476412]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  672.481474]  ? __sched_text_start+0x8/0x8
[  672.485668]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  672.490353]  ? retint_kernel+0x2d/0x2d
[  672.494234]  ? trace_hardirqs_on_caller+0xc0/0x310
[  672.499167]  ? find_held_lock+0x36/0x1c0
[  672.503232]  ? lock_acquire+0x1ed/0x520
[  672.507203]  ? bpf_test_run+0x3ee/0x7a0
[  672.511180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.516729]  ? check_preemption_disabled+0x48/0x280
[  672.521751]  ? kasan_check_read+0x11/0x20
[  672.525901]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.531173]  ? rcu_softirq_qs+0x20/0x20
[  672.535148]  ? preempt_schedule+0x4d/0x60
[  672.539298]  ? ___preempt_schedule+0x16/0x18
[  672.543733]  ? bpf_test_run+0x271/0x7a0
[  672.547718]  ? netlink_diag_dump+0x2a0/0x2a0
[  672.552131]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.557666]  ? bpf_test_init.isra.10+0x70/0x100
[  672.562349]  ? bpf_prog_test_run_skb+0x762/0xd60
[  672.567118]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.571975]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  672.577527]  ? fput+0x130/0x1a0
[  672.580823]  ? __bpf_prog_get+0x9b/0x290
[  672.584887]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  672.589747]  ? bpf_prog_test_run+0x130/0x1a0
[  672.594178]  ? __x64_sys_bpf+0x3d8/0x520
[  672.598233]  ? bpf_prog_get+0x20/0x20
[  672.602070]  ? do_syscall_64+0x1b9/0x820
[  672.606126]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  672.611488]  ? syscall_return_slowpath+0x5e0/0x5e0
[  672.616413]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.621265]  ? trace_hardirqs_on_caller+0x310/0x310
[  672.626280]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  672.631296]  ? prepare_exit_to_usermode+0x291/0x3b0
[  672.636327]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  672.641174]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  672.646559] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  672.646626] aoe: skb alloc failure
[  672.653330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  672.653336] Call Trace:
[  672.653342]  <IRQ>
[  672.653358]  dump_stack+0x244/0x39d
[  672.653379]  ? dump_stack_print_info.cold.1+0x20/0x20
[  672.656935] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  672.666260]  warn_alloc.cold.116+0xb7/0x1bd
[  672.668811] syz-executor4 cpuset=syz4 mems_allowed=0
[  672.670956]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  672.704451]  ? lock_downgrade+0x900/0x900
[  672.708600]  ? trace_hardirqs_off+0xb8/0x310
[  672.713025]  ? trace_hardirqs_off+0xb8/0x310
[  672.717442]  __alloc_pages_slowpath+0x2651/0x2de0
[  672.722306]  ? warn_alloc+0x120/0x120
[  672.726101]  ? print_usage_bug+0xc0/0xc0
[  672.730174]  ? warn_alloc+0x120/0x120
[  672.734005]  ? warn_alloc+0x120/0x120
[  672.737800]  ? print_usage_bug+0xc0/0xc0
[  672.741859]  ? print_usage_bug+0xc0/0xc0
[  672.745917]  ? __lock_acquire+0x62f/0x4c20
[  672.750172]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  672.755806]  ? should_fail+0x22d/0xd01
[  672.759697]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.764791]  ? __lock_acquire+0x62f/0x4c20
[  672.769022]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  672.774117]  ? __lock_acquire+0x62f/0x4c20
[  672.778343]  ? should_fail+0x22d/0xd01
[  672.782225]  ? find_held_lock+0x36/0x1c0
[  672.786294]  ? mark_held_locks+0x130/0x130
[  672.790532]  ? mark_held_locks+0x130/0x130
[  672.794760]  ? zap_class+0x640/0x640
[  672.798467]  ? zap_class+0x640/0x640
[  672.802196]  ? print_usage_bug+0xc0/0xc0
[  672.806249]  ? do_raw_spin_unlock+0xa7/0x330
[  672.810668]  ? zap_class+0x640/0x640
[  672.814379]  ? print_usage_bug+0xc0/0xc0
[  672.818447]  ? wq_watchdog_touch+0x9c/0xfe
[  672.822685]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.828223]  ? check_preemption_disabled+0x48/0x280
[  672.833258]  ? __lock_is_held+0xb5/0x140
[  672.837324]  __alloc_pages_nodemask+0xad8/0xea0
[  672.841994]  ? zap_class+0x640/0x640
[  672.845717]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  672.850757]  ? find_held_lock+0x36/0x1c0
[  672.854830]  ? ____cache_alloc_node+0x1c7/0x1e0
[  672.859498]  ? lock_downgrade+0x900/0x900
[  672.863651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.869189]  cache_grow_begin+0xa5/0x8c0
[  672.873251]  ? do_raw_spin_unlock+0xa7/0x330
[  672.877671]  fallback_alloc+0x204/0x2e0
[  672.881650]  ____cache_alloc_node+0x1c7/0x1e0
[  672.886155]  kmem_cache_alloc_node+0xe3/0x730
[  672.890650]  ? ipv6_get_ifaddr+0x42e/0x620
[  672.894895]  __alloc_skb+0x119/0x770
[  672.898622]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  672.903905]  ? netdev_alloc_frag+0x1f0/0x1f0
[  672.908837]  ? lock_downgrade+0x900/0x900
[  672.912993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  672.918530]  ? refcount_sub_and_test_checked+0x203/0x310
[  672.923985]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  672.929442]  ? addrconf_rs_timer+0x690/0x690
[  672.933877]  ndisc_alloc_skb+0x144/0x340
[  672.937961]  ndisc_send_rs+0x331/0x6e0
[  672.941853]  addrconf_rs_timer+0x314/0x690
[  672.946091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.950335]  call_timer_fn+0x272/0x920
[  672.954219]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.958455]  ? process_timeout+0x40/0x40
[  672.962520]  ? mark_held_locks+0xc7/0x130
[  672.966665]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.971166]  ? _raw_spin_unlock_irq+0x27/0x80
[  672.975650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  672.979878]  ? lockdep_hardirqs_on+0x296/0x5b0
[  672.984477]  ? trace_hardirqs_on+0xbd/0x310
[  672.988809]  ? kasan_check_read+0x11/0x20
[  672.992975]  ? __run_timers+0x7da/0xc70
[  672.996960]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.002299]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  673.006534]  __run_timers+0x7e5/0xc70
[  673.010349]  ? timer_fixup_init+0x70/0x70
[  673.014501]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  673.019523]  ? zap_class+0x640/0x640
[  673.023243]  ? print_usage_bug+0xc0/0xc0
[  673.027326]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  673.032524]  ? find_held_lock+0x36/0x1c0
[  673.036623]  ? zap_class+0x640/0x640
[  673.040343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.045878]  ? check_preemption_disabled+0x48/0x280
[  673.050905]  ? __lock_is_held+0xb5/0x140
[  673.054969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.060511]  ? check_preemption_disabled+0x48/0x280
[  673.065539]  run_timer_softirq+0x52/0xb0
[  673.069601]  ? rcu_read_lock_sched_held+0x14f/0x180
[  673.074618]  __do_softirq+0x308/0xb7e
[  673.078418]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  673.082933]  ? lock_downgrade+0x900/0x900
[  673.087116]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  673.092242]  ? pvclock_read_flags+0x160/0x160
[  673.096739]  ? lapic_next_event+0x5a/0x90
[  673.100885]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.106435]  ? kvm_clock_read+0x18/0x30
[  673.110413]  ? kvm_sched_clock_read+0x9/0x20
[  673.114827]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.120359]  ? check_preemption_disabled+0x48/0x280
[  673.125383]  irq_exit+0x17f/0x1c0
[  673.128830]  smp_apic_timer_interrupt+0x1cb/0x760
[  673.133667]  ? smp_call_function_single_interrupt+0x650/0x650
[  673.139546]  ? interrupt_entry+0xb5/0xc0
[  673.143636]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.148675]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.153702]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.158545]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.163556]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.168569]  ? task_prio+0x50/0x50
[  673.172123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.177654]  ? check_preemption_disabled+0x48/0x280
[  673.182686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.187549]  apic_timer_interrupt+0xf/0x20
[  673.191788]  </IRQ>
[  673.194020] RIP: 0010:dump_stack+0x358/0x39d
[  673.198469] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  673.217395] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  673.225106] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  673.232370] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  673.239637] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  673.246938] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  673.254213] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  673.261506]  ? dump_stack+0x34f/0x39d
[  673.265317]  ? dump_stack_print_info.cold.1+0x20/0x20
[  673.270535]  ? mark_held_locks+0x130/0x130
[  673.274778]  ? mark_held_locks+0x130/0x130
[  673.279061]  dump_header+0x27b/0xf72
[  673.282795]  ? pagefault_out_of_memory+0x197/0x197
[  673.287727]  ? __lock_acquire+0x62f/0x4c20
[  673.291960]  ? percpu_ref_get_many+0x240/0x240
[  673.296570]  ? print_usage_bug+0xc0/0xc0
[  673.300663]  ? zap_class+0x640/0x640
[  673.304391]  ? print_usage_bug+0xc0/0xc0
[  673.308454]  ? print_usage_bug+0xc0/0xc0
[  673.312513]  ? zap_class+0x640/0x640
[  673.316241]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.321779]  ? find_held_lock+0x36/0x1c0
[  673.325849]  ? mark_held_locks+0xc7/0x130
[  673.330010]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.335172]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  673.340342]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  673.344941]  ? trace_hardirqs_on+0xbd/0x310
[  673.349287]  ? kasan_check_read+0x11/0x20
[  673.353448]  ? ___ratelimit+0x3b4/0x672
[  673.357433]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.362537]  ? trace_hardirqs_on+0x310/0x310
[  673.366946]  ? lock_downgrade+0x900/0x900
[  673.371103]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  673.376556]  ? ___ratelimit+0x3b9/0x672
[  673.380532]  ? idr_get_free+0xf70/0xf70
[  673.384507]  ? find_held_lock+0x36/0x1c0
[  673.388594]  oom_kill_process.cold.27+0x10/0x903
[  673.393352]  ? zap_class+0x640/0x640
[  673.397067]  ? check_preemption_disabled+0x48/0x280
[  673.402092]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.407022]  ? kasan_check_read+0x11/0x20
[  673.411188]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.416657]  ? oom_evaluate_task+0x540/0x540
[  673.421089]  ? find_held_lock+0x36/0x1c0
[  673.425156]  ? out_of_memory+0x974/0x1430
[  673.429307]  ? lock_downgrade+0x900/0x900
[  673.433460]  ? check_preemption_disabled+0x48/0x280
[  673.438481]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.443410]  ? kasan_check_read+0x11/0x20
[  673.447562]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.452834]  ? rcu_softirq_qs+0x20/0x20
[  673.456811]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.462375]  ? oom_evaluate_task+0x302/0x540
[  673.466784]  out_of_memory+0xa84/0x1430
[  673.470764]  ? oom_killer_disable+0x3a0/0x3a0
[  673.475253]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  673.480184]  ? __ww_mutex_check_waiters+0x160/0x160
[  673.485202]  __alloc_pages_slowpath+0x232c/0x2de0
[  673.490081]  ? warn_alloc+0x120/0x120
[  673.493892]  ? mark_held_locks+0x130/0x130
[  673.498129]  ? find_get_entry+0xaae/0x1120
[  673.502369]  ? filemap_map_pages+0x1a20/0x1a20
[  673.506955]  ? zap_class+0x640/0x640
[  673.510683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  673.516229]  ? check_preemption_disabled+0x48/0x280
[  673.521237]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.526776]  ? should_fail+0x22d/0xd01
[  673.530670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  673.535770]  ? zap_class+0x640/0x640
[  673.539518]  ? __lock_is_held+0xb5/0x140
[  673.543600]  ? mark_held_locks+0x130/0x130
[  673.547840]  ? lock_release+0xa00/0xa00
[  673.551813]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.557266]  ? xa_load+0x2ba/0x460
[  673.560811]  ? lock_downgrade+0x900/0x900
[  673.564960]  ? __might_sleep+0x95/0x190
[  673.568936]  __alloc_pages_nodemask+0xad8/0xea0
[  673.573644]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  673.578674]  ? __page_cache_alloc+0x191/0x5c0
[  673.583180]  ? xa_load+0x2e1/0x460
[  673.586719]  ? xa_clear_mark+0x40/0x40
[  673.590601]  ? zap_class+0x640/0x640
[  673.594331]  ? zap_class+0x640/0x640
[  673.598042]  ? zap_class+0x640/0x640
[  673.601766]  ? __do_page_cache_readahead+0x663/0x810
[  673.606872]  ? find_held_lock+0x36/0x1c0
[  673.610948]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  673.616503]  alloc_pages_current+0x173/0x350
[  673.620913]  __page_cache_alloc+0x38c/0x5c0
[  673.625251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.630191]  ? kasan_check_read+0x11/0x20
[  673.634337]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.639988]  ? generic_perform_write+0x6a0/0x6a0
[  673.644738]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.650270]  ? check_preemption_disabled+0x48/0x280
[  673.655298]  filemap_fault+0x1595/0x25f0
[  673.659500]  ? __lock_page_or_retry+0xa00/0xa00
[  673.664187]  ? mark_held_locks+0x130/0x130
[  673.668435]  ? filemap_map_pages+0xd6b/0x1a20
[  673.672929]  ? lock_downgrade+0x900/0x900
[  673.677073]  ? check_preemption_disabled+0x48/0x280
[  673.682103]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.687520]  ? kasan_check_read+0x11/0x20
[  673.691662]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.697088]  ? rcu_softirq_qs+0x20/0x20
[  673.701111]  ? filemap_map_pages+0xd92/0x1a20
[  673.705632]  ? find_get_entries_tag+0x1400/0x1400
[  673.710617]  ? __kernel_text_address+0xd/0x40
[  673.715299]  ? unwind_get_return_address+0x61/0xa0
[  673.720667]  ? lock_acquire+0x1ed/0x520
[  673.724637]  ? ext4_filemap_fault+0x7a/0xad
[  673.728959]  ? lock_release+0xa00/0xa00
[  673.732928]  ? perf_trace_sched_process_exec+0x860/0x860
[  673.738565]  ? print_usage_bug+0xc0/0xc0
[  673.742720]  ? print_usage_bug+0xc0/0xc0
[  673.746777]  ? __x64_sys_read+0x73/0xb0
[  673.750820]  ? print_usage_bug+0xc0/0xc0
[  673.755018]  ? down_read+0x8d/0x120
[  673.758637]  ? ext4_filemap_fault+0x7a/0xad
[  673.762952]  ? __down_interruptible+0x700/0x700
[  673.767653]  ext4_filemap_fault+0x82/0xad
[  673.771796]  __do_fault+0x100/0x6b0
[  673.775677]  ? trace_hardirqs_on+0xbd/0x310
[  673.780002]  ? pmd_devmap_trans_unstable+0x220/0x220
[  673.785231]  ? mark_held_locks+0x130/0x130
[  673.789591]  ? mark_held_locks+0x130/0x130
[  673.793960]  ? do_syslog+0x147b/0x1690
[  673.797885]  ? do_syslog+0x309/0x1690
[  673.801808]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.807365]  __handle_mm_fault+0x3ea0/0x5be0
[  673.811782]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  673.816643]  ? find_held_lock+0x36/0x1c0
[  673.820722]  ? zap_class+0x640/0x640
[  673.824460]  ? zap_class+0x640/0x640
[  673.828531]  ? find_held_lock+0x36/0x1c0
[  673.832931]  ? handle_mm_fault+0x42a/0xc70
[  673.837188]  ? lock_downgrade+0x900/0x900
[  673.841656]  ? check_preemption_disabled+0x48/0x280
[  673.846795]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  673.851947]  ? kasan_check_read+0x11/0x20
[  673.856324]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  673.862040]  ? rcu_softirq_qs+0x20/0x20
[  673.866017]  ? trace_hardirqs_off_caller+0x310/0x310
[  673.871457]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  673.877466]  ? check_preemption_disabled+0x48/0x280
[  673.882533]  handle_mm_fault+0x54f/0xc70
[  673.886615]  ? __handle_mm_fault+0x5be0/0x5be0
[  673.891198]  ? find_vma+0x34/0x190
[  673.894743]  __do_page_fault+0x5e8/0xe60
[  673.898807]  ? trace_hardirqs_off+0xb8/0x310
[  673.903229]  ? kernel_write+0x120/0x120
[  673.907228]  do_page_fault+0xf2/0x7e0
[  673.911035]  ? vmalloc_sync_all+0x30/0x30
[  673.915187]  ? error_entry+0x70/0xd0
[  673.918902]  ? trace_hardirqs_off_caller+0xbb/0x310
[  673.923930]  ? trace_hardirqs_on_caller+0xc0/0x310
[  673.928863]  ? syscall_return_slowpath+0x5e0/0x5e0
[  673.933793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.938636]  ? trace_hardirqs_on_caller+0x310/0x310
[  673.943646]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  673.949114]  ? prepare_exit_to_usermode+0x291/0x3b0
[  673.954139]  ? page_fault+0x8/0x30
[  673.957675]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  673.962513]  ? page_fault+0x8/0x30
[  673.966049]  page_fault+0x1e/0x30
[  673.969513] RIP: 0033:0x7fe9f4ff21fd
[  673.973238] Code: Bad RIP value.
[  673.976609] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  673.981964] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  673.989229] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  673.996496] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  674.003762] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  674.011031] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  674.018332] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  674.018338] warn_alloc_show_mem: 1 callbacks suppressed
[  674.018345] Mem-Info:
[  674.025455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  674.030843] active_anon:43385 inactive_anon:190 isolated_anon:0
[  674.030843]  active_file:9 inactive_file:19 isolated_file:0
[  674.030843]  unevictable:0 dirty:0 writeback:0 unstable:0
[  674.030843]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  674.030843]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  674.030843]  free:13722 free_pcp:438 free_cma:0
[  674.033215] Call Trace:
[  674.042651] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  674.075410]  <IRQ>
[  674.077983] 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
[  674.105491]  dump_stack+0x244/0x39d
[  674.107609] lowmem_reserve[]: 0 2818 6321 6321
[  674.133732]  ? dump_stack_print_info.cold.1+0x20/0x20
[  674.137326] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  674.141918]  warn_alloc.cold.116+0xb7/0x1bd
[  674.147074] lowmem_reserve[]: 0 0 3503 3503
[  674.174387]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  674.178678] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  674.182988]  ? lock_downgrade+0x900/0x900
[  674.187797] lowmem_reserve[]: 0 0 0 0
[  674.216833]  ? trace_hardirqs_off+0xb8/0x310
[  674.220963] 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
[  674.224755]  ? trace_hardirqs_off+0xb8/0x310
[  674.229131] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  674.242680]  __alloc_pages_slowpath+0x2651/0x2de0
[  674.247074] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  674.262085]  ? warn_alloc+0x120/0x120
[  674.266898] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  674.282419]  ? warn_alloc+0x120/0x120
[  674.286205] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  674.295037]  ? __lock_acquire+0x62f/0x4c20
[  674.298825] 272 total pagecache pages
[  674.307401]  ? warn_alloc+0x120/0x120
[  674.311615] 0 pages in swap cache
[  674.315404]  ? print_usage_bug+0xc0/0xc0
[  674.319179] Swap cache stats: add 0, delete 0, find 0/0
[  674.322623]  ? print_usage_bug+0xc0/0xc0
[  674.326661] Free swap  = 0kB
[  674.332014]  ? mark_held_locks+0x130/0x130
[  674.336054] Total swap = 0kB
[  674.339074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  674.343300] 1965979 pages RAM
[  674.346310]  ? should_fail+0x22d/0xd01
[  674.351821] 0 pages HighMem/MovableOnly
[  674.354917]  ? zap_class+0x640/0x640
[  674.358788] 342854 pages reserved
[  674.362751]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.366445] 0 pages cma reserved
[  674.369909]  ? __lock_acquire+0x62f/0x4c20
[  674.375096] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  674.378348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  674.382652] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  674.389061]  ? should_fail+0x22d/0xd01
[  674.394142] rsyslogd cpuset=/ mems_allowed=0
[  674.404193]  ? mark_held_locks+0x130/0x130
[  674.416677]  ? mark_held_locks+0x130/0x130
[  674.420928]  ? lock_downgrade+0x900/0x900
[  674.425079]  ? zap_class+0x640/0x640
[  674.428914]  ? zap_class+0x640/0x640
[  674.432632]  ? zap_class+0x640/0x640
[  674.436343]  ? do_raw_spin_unlock+0xa7/0x330
[  674.440753]  ? trace_hardirqs_on+0x310/0x310
[  674.445164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.450698]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.456230]  ? check_preemption_disabled+0x48/0x280
[  674.461248]  ? __lock_is_held+0xb5/0x140
[  674.465306]  __alloc_pages_nodemask+0xad8/0xea0
[  674.469969]  ? zap_class+0x640/0x640
[  674.473685]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  674.478706]  ? find_held_lock+0x36/0x1c0
[  674.482771]  ? ____cache_alloc_node+0x1c7/0x1e0
[  674.487447]  ? lock_downgrade+0x900/0x900
[  674.491594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.497142]  cache_grow_begin+0xa5/0x8c0
[  674.501214]  ? do_raw_spin_unlock+0xa7/0x330
[  674.505622]  fallback_alloc+0x204/0x2e0
[  674.509601]  ____cache_alloc_node+0x1c7/0x1e0
[  674.514097]  kmem_cache_alloc_node+0xe3/0x730
[  674.518585]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.523168]  __alloc_skb+0x119/0x770
[  674.526875]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  674.532236]  ? netdev_alloc_frag+0x1f0/0x1f0
[  674.536643]  ? vprintk_default+0x28/0x30
[  674.540698]  ? vprintk_func+0x85/0x181
[  674.544579]  ? printk+0xa7/0xcf
[  674.547853]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  674.552607]  ? do_raw_spin_trylock+0x270/0x270
[  674.557205]  new_skb+0x26/0x1c0
[  674.560482]  aoecmd_cfg+0x279/0x7f0
[  674.564120]  ? find_held_lock+0x36/0x1c0
[  674.568195]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  674.572519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.578062]  ? __lock_is_held+0xb5/0x140
[  674.582129]  discover_timer+0x50/0x60
[  674.585921]  call_timer_fn+0x272/0x920
[  674.589849]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.594717]  ? process_timeout+0x40/0x40
[  674.598798]  ? __run_timers+0x7da/0xc70
[  674.602806]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.607296]  ? _raw_spin_unlock_irq+0x27/0x80
[  674.611790]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.616629]  ? lockdep_hardirqs_on+0x296/0x5b0
[  674.621208]  ? trace_hardirqs_on+0xbd/0x310
[  674.625522]  ? kasan_check_read+0x11/0x20
[  674.629664]  ? __run_timers+0x7da/0xc70
[  674.633636]  ? trace_hardirqs_off_caller+0x310/0x310
[  674.638752]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  674.643599]  __run_timers+0x7e5/0xc70
[  674.647403]  ? timer_fixup_init+0x70/0x70
[  674.651573]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  674.656586]  ? zap_class+0x640/0x640
[  674.660298]  ? enqueue_hrtimer+0x1a5/0x560
[  674.664532]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  674.669726]  ? find_held_lock+0x36/0x1c0
[  674.673798]  ? zap_class+0x640/0x640
[  674.677513]  ? pvclock_read_flags+0x160/0x160
[  674.682031]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.687580]  ? check_preemption_disabled+0x48/0x280
[  674.692612]  ? __lock_is_held+0xb5/0x140
[  674.696673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.702208]  ? check_preemption_disabled+0x48/0x280
[  674.707228]  run_timer_softirq+0x52/0xb0
[  674.711287]  ? rcu_read_lock_sched_held+0x14f/0x180
[  674.716313]  __do_softirq+0x308/0xb7e
[  674.720114]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  674.724618]  ? lock_downgrade+0x900/0x900
[  674.728766]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  674.733882]  ? pvclock_read_flags+0x160/0x160
[  674.738382]  ? lapic_next_event+0x5a/0x90
[  674.742539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.748071]  ? kvm_clock_read+0x18/0x30
[  674.752038]  ? kvm_sched_clock_read+0x9/0x20
[  674.756449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  674.762005]  ? check_preemption_disabled+0x48/0x280
[  674.767058]  irq_exit+0x17f/0x1c0
[  674.770533]  smp_apic_timer_interrupt+0x1cb/0x760
[  674.775385]  ? smp_reschedule_interrupt+0x109/0x650
[  674.780397]  ? smp_call_function_single_interrupt+0x650/0x650
[  674.786298]  ? interrupt_entry+0xb5/0xc0
[  674.790383]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.795391]  ? trace_hardirqs_off_caller+0xbb/0x310
[  674.800396]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.805275]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.810278]  ? trace_hardirqs_on_caller+0x310/0x310
[  674.815306]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  674.820143]  apic_timer_interrupt+0xf/0x20
[  674.824364]  </IRQ>
[  674.826607] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  674.831577] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  674.850497] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  674.858201] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  674.865466] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  674.872743] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  674.880023] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  674.887284] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  674.894602]  skb_clone+0x1bb/0x500
[  674.898143]  ? finish_task_switch+0x2f4/0x910
[  674.902634]  ? skb_split+0x11e0/0x11e0
[  674.906642]  ? preempt_notifier_register+0x200/0x200
[  674.911739]  ? __switch_to_asm+0x34/0x70
[  674.915822]  ? __switch_to_asm+0x34/0x70
[  674.919889]  ? __switch_to_asm+0x40/0x70
[  674.923971]  ? __switch_to_asm+0x34/0x70
[  674.928025]  ? __switch_to_asm+0x40/0x70
[  674.932097]  ? __switch_to_asm+0x34/0x70
[  674.936153]  ? __switch_to_asm+0x40/0x70
[  674.940223]  ? __switch_to_asm+0x34/0x70
[  674.944278]  ? __switch_to_asm+0x34/0x70
[  674.948335]  ? __switch_to_asm+0x40/0x70
[  674.952393]  ? __switch_to_asm+0x34/0x70
[  674.956465]  bpf_clone_redirect+0xb9/0x490
[  674.960701]  ? __schedule+0x8d7/0x21d0
[  674.964593]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  674.969613]  ? __sched_text_start+0x8/0x8
[  674.973763]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  674.978349]  ? retint_kernel+0x2d/0x2d
[  674.982241]  ? trace_hardirqs_on_caller+0xc0/0x310
[  674.987175]  ? find_held_lock+0x36/0x1c0
[  674.991244]  ? lock_acquire+0x1ed/0x520
[  674.995220]  ? bpf_test_run+0x3ee/0x7a0
[  674.999197]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.004738]  ? check_preemption_disabled+0x48/0x280
[  675.009796]  ? kasan_check_read+0x11/0x20
[  675.013947]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.019224]  ? rcu_softirq_qs+0x20/0x20
[  675.023216]  ? preempt_schedule+0x4d/0x60
[  675.027379]  ? ___preempt_schedule+0x16/0x18
[  675.031793]  ? bpf_test_run+0x271/0x7a0
[  675.035789]  ? netlink_diag_dump+0x2a0/0x2a0
[  675.040203]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.045743]  ? bpf_test_init.isra.10+0x70/0x100
[  675.050464]  ? bpf_prog_test_run_skb+0x762/0xd60
[  675.055231]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  675.060079]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  675.065617]  ? fput+0x130/0x1a0
[  675.068902]  ? __bpf_prog_get+0x9b/0x290
[  675.072967]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  675.077810]  ? bpf_prog_test_run+0x130/0x1a0
[  675.082236]  ? __x64_sys_bpf+0x3d8/0x520
[  675.086295]  ? bpf_prog_get+0x20/0x20
[  675.090133]  ? do_syscall_64+0x1b9/0x820
[  675.094196]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  675.099563]  ? syscall_return_slowpath+0x5e0/0x5e0
[  675.104495]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.109340]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.114373]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  675.119395]  ? prepare_exit_to_usermode+0x291/0x3b0
[  675.124431]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.129285]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  675.134681] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  675.134762] aoe: skb alloc failure
[  675.141469] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  675.141474] Call Trace:
[  675.141481]  <IRQ>
[  675.141513]  dump_stack+0x244/0x39d
[  675.141532]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.145096] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  675.154431]  warn_alloc.cold.116+0xb7/0x1bd
[  675.156997] syz-executor4 cpuset=syz4 mems_allowed=0
[  675.159164]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  675.192674]  ? lock_downgrade+0x900/0x900
[  675.196842]  ? trace_hardirqs_off+0xb8/0x310
[  675.201250]  ? trace_hardirqs_off+0xb8/0x310
[  675.205661]  __alloc_pages_slowpath+0x2651/0x2de0
[  675.210525]  ? warn_alloc+0x120/0x120
[  675.214324]  ? print_usage_bug+0xc0/0xc0
[  675.218400]  ? warn_alloc+0x120/0x120
[  675.222204]  ? warn_alloc+0x120/0x120
[  675.226011]  ? print_usage_bug+0xc0/0xc0
[  675.230069]  ? kvm_clock_read+0x18/0x30
[  675.234037]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  675.239049]  ? print_usage_bug+0xc0/0xc0
[  675.243129]  ? __lock_acquire+0x62f/0x4c20
[  675.247372]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.252913]  ? should_fail+0x22d/0xd01
[  675.256797]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.262079]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.267183]  ? __lock_acquire+0x62f/0x4c20
[  675.271420]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  675.276528]  ? __lock_acquire+0x62f/0x4c20
[  675.280757]  ? should_fail+0x22d/0xd01
[  675.284641]  ? rcu_irq_exit+0x1a2/0x390
[  675.288621]  ? mark_held_locks+0x130/0x130
[  675.292858]  ? mark_held_locks+0x130/0x130
[  675.297110]  ? mark_held_locks+0xc7/0x130
[  675.301260]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  675.306294]  ? zap_class+0x640/0x640
[  675.310007]  ? print_usage_bug+0xc0/0xc0
[  675.314072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.319618]  ? check_preemption_disabled+0x48/0x280
[  675.324670]  ? __lock_is_held+0xb5/0x140
[  675.328736]  __alloc_pages_nodemask+0xad8/0xea0
[  675.333418]  ? zap_class+0x640/0x640
[  675.337158]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  675.342186]  ? find_held_lock+0x36/0x1c0
[  675.346254]  ? ____cache_alloc_node+0x1c7/0x1e0
[  675.350945]  ? lock_downgrade+0x900/0x900
[  675.355105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.360647]  cache_grow_begin+0xa5/0x8c0
[  675.364709]  ? do_raw_spin_unlock+0xa7/0x330
[  675.369128]  fallback_alloc+0x204/0x2e0
[  675.373113]  ____cache_alloc_node+0x1c7/0x1e0
[  675.377618]  kmem_cache_alloc_node+0xe3/0x730
[  675.382115]  ? ipv6_get_ifaddr+0x42e/0x620
[  675.386363]  __alloc_skb+0x119/0x770
[  675.390088]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.395382]  ? netdev_alloc_frag+0x1f0/0x1f0
[  675.399789]  ? lock_downgrade+0x900/0x900
[  675.403948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.409485]  ? refcount_sub_and_test_checked+0x203/0x310
[  675.414942]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  675.420392]  ? addrconf_rs_timer+0x690/0x690
[  675.424815]  ndisc_alloc_skb+0x144/0x340
[  675.428883]  ndisc_send_rs+0x331/0x6e0
[  675.432792]  addrconf_rs_timer+0x314/0x690
[  675.437050]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.441301]  call_timer_fn+0x272/0x920
[  675.445210]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.449450]  ? process_timeout+0x40/0x40
[  675.453526]  ? mark_held_locks+0xc7/0x130
[  675.457678]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.462206]  ? _raw_spin_unlock_irq+0x27/0x80
[  675.466701]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.470936]  ? lockdep_hardirqs_on+0x296/0x5b0
[  675.475518]  ? trace_hardirqs_on+0xbd/0x310
[  675.479844]  ? kasan_check_read+0x11/0x20
[  675.483994]  ? __run_timers+0x7da/0xc70
[  675.487976]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.493099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.497364]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  675.501602]  __run_timers+0x7e5/0xc70
[  675.505414]  ? timer_fixup_init+0x70/0x70
[  675.509580]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  675.514597]  ? zap_class+0x640/0x640
[  675.518320]  ? print_usage_bug+0xc0/0xc0
[  675.522387]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  675.527608]  ? find_held_lock+0x36/0x1c0
[  675.531694]  ? zap_class+0x640/0x640
[  675.535412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.540959]  ? check_preemption_disabled+0x48/0x280
[  675.545985]  ? __lock_is_held+0xb5/0x140
[  675.550066]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.555622]  ? check_preemption_disabled+0x48/0x280
[  675.560643]  run_timer_softirq+0x52/0xb0
[  675.564713]  ? rcu_read_lock_sched_held+0x14f/0x180
[  675.569732]  __do_softirq+0x308/0xb7e
[  675.573540]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  675.578037]  ? lock_downgrade+0x900/0x900
[  675.582248]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  675.587363]  ? pvclock_read_flags+0x160/0x160
[  675.591864]  ? lapic_next_event+0x5a/0x90
[  675.596017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.601563]  ? kvm_clock_read+0x18/0x30
[  675.605555]  ? kvm_sched_clock_read+0x9/0x20
[  675.609980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.615522]  ? check_preemption_disabled+0x48/0x280
[  675.620546]  irq_exit+0x17f/0x1c0
[  675.624002]  smp_apic_timer_interrupt+0x1cb/0x760
[  675.628850]  ? smp_call_function_single_interrupt+0x650/0x650
[  675.634750]  ? interrupt_entry+0xb5/0xc0
[  675.638814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.643848]  ? trace_hardirqs_off_caller+0xbb/0x310
[  675.648873]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.653732]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.658761]  ? trace_hardirqs_on_caller+0x310/0x310
[  675.663791]  ? task_prio+0x50/0x50
[  675.667331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.672894]  ? check_preemption_disabled+0x48/0x280
[  675.677914]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  675.682764]  apic_timer_interrupt+0xf/0x20
[  675.687031]  </IRQ>
[  675.689272] RIP: 0010:dump_stack+0x358/0x39d
[  675.693775] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  675.712675] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  675.720383] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  675.727662] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  675.734929] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  675.742197] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  675.749482] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  675.756783]  ? dump_stack+0x34f/0x39d
[  675.760629]  ? dump_stack_print_info.cold.1+0x20/0x20
[  675.765825]  ? mark_held_locks+0x130/0x130
[  675.770064]  ? mark_held_locks+0x130/0x130
[  675.774467]  dump_header+0x27b/0xf72
[  675.778231]  ? pagefault_out_of_memory+0x197/0x197
[  675.783168]  ? __lock_acquire+0x62f/0x4c20
[  675.787408]  ? percpu_ref_get_many+0x240/0x240
[  675.792005]  ? print_usage_bug+0xc0/0xc0
[  675.796085]  ? zap_class+0x640/0x640
[  675.799804]  ? print_usage_bug+0xc0/0xc0
[  675.803863]  ? print_usage_bug+0xc0/0xc0
[  675.807926]  ? zap_class+0x640/0x640
[  675.811651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  675.817191]  ? find_held_lock+0x36/0x1c0
[  675.821260]  ? mark_held_locks+0xc7/0x130
[  675.825413]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.830555]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  675.835662]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  675.840245]  ? trace_hardirqs_on+0xbd/0x310
[  675.844586]  ? kasan_check_read+0x11/0x20
[  675.848753]  ? ___ratelimit+0x3b4/0x672
[  675.852737]  ? trace_hardirqs_off_caller+0x310/0x310
[  675.857844]  ? trace_hardirqs_on+0x310/0x310
[  675.862254]  ? lock_downgrade+0x900/0x900
[  675.866436]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  675.871545]  ? ___ratelimit+0x3b9/0x672
[  675.875523]  ? idr_get_free+0xf70/0xf70
[  675.879496]  ? find_held_lock+0x36/0x1c0
[  675.883572]  oom_kill_process.cold.27+0x10/0x903
[  675.888331]  ? zap_class+0x640/0x640
[  675.892054]  ? check_preemption_disabled+0x48/0x280
[  675.897075]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.902010]  ? kasan_check_read+0x11/0x20
[  675.906170]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.911457]  ? oom_evaluate_task+0x540/0x540
[  675.915874]  ? find_held_lock+0x36/0x1c0
[  675.919943]  ? out_of_memory+0x974/0x1430
[  675.924116]  ? lock_downgrade+0x900/0x900
[  675.928269]  ? check_preemption_disabled+0x48/0x280
[  675.933303]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  675.938238]  ? kasan_check_read+0x11/0x20
[  675.942385]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  675.947665]  ? rcu_softirq_qs+0x20/0x20
[  675.951648]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  675.957191]  ? oom_evaluate_task+0x302/0x540
[  675.961632]  out_of_memory+0xa84/0x1430
[  675.965621]  ? oom_killer_disable+0x3a0/0x3a0
[  675.970122]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  675.975058]  ? __ww_mutex_check_waiters+0x160/0x160
[  675.980087]  __alloc_pages_slowpath+0x232c/0x2de0
[  675.984958]  ? warn_alloc+0x120/0x120
[  675.988762]  ? mark_held_locks+0x130/0x130
[  675.993006]  ? find_get_entry+0xaae/0x1120
[  675.997254]  ? filemap_map_pages+0x1a20/0x1a20
[  676.001850]  ? zap_class+0x640/0x640
[  676.005577]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.011116]  ? check_preemption_disabled+0x48/0x280
[  676.016136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.021675]  ? should_fail+0x22d/0xd01
[  676.025567]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.030674]  ? zap_class+0x640/0x640
[  676.034436]  ? __lock_is_held+0xb5/0x140
[  676.038524]  ? mark_held_locks+0x130/0x130
[  676.042764]  ? lock_release+0xa00/0xa00
[  676.046771]  ? perf_trace_sched_process_exec+0x860/0x860
[  676.052228]  ? xa_load+0x2ba/0x460
[  676.055780]  ? lock_downgrade+0x900/0x900
[  676.059945]  ? __might_sleep+0x95/0x190
[  676.063952]  __alloc_pages_nodemask+0xad8/0xea0
[  676.068630]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  676.073647]  ? __page_cache_alloc+0x191/0x5c0
[  676.078141]  ? xa_load+0x2e1/0x460
[  676.081701]  ? xa_clear_mark+0x40/0x40
[  676.085596]  ? zap_class+0x640/0x640
[  676.089320]  ? zap_class+0x640/0x640
[  676.093035]  ? zap_class+0x640/0x640
[  676.096764]  ? __do_page_cache_readahead+0x663/0x810
[  676.101886]  ? find_held_lock+0x36/0x1c0
[  676.105964]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  676.111518]  alloc_pages_current+0x173/0x350
[  676.115932]  __page_cache_alloc+0x38c/0x5c0
[  676.120251]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  676.125183]  ? kasan_check_read+0x11/0x20
[  676.129348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.134631]  ? generic_perform_write+0x6a0/0x6a0
[  676.139388]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.144926]  ? check_preemption_disabled+0x48/0x280
[  676.149955]  filemap_fault+0x1595/0x25f0
[  676.154029]  ? __lock_page_or_retry+0xa00/0xa00
[  676.158698]  ? mark_held_locks+0x130/0x130
[  676.162942]  ? filemap_map_pages+0xd6b/0x1a20
[  676.167448]  ? lock_downgrade+0x900/0x900
[  676.171596]  ? check_preemption_disabled+0x48/0x280
[  676.176615]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  676.181543]  ? kasan_check_read+0x11/0x20
[  676.185688]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.190963]  ? rcu_softirq_qs+0x20/0x20
[  676.194950]  ? filemap_map_pages+0xd92/0x1a20
[  676.199463]  ? find_get_entries_tag+0x1400/0x1400
[  676.204309]  ? __kernel_text_address+0xd/0x40
[  676.208802]  ? unwind_get_return_address+0x61/0xa0
[  676.213745]  ? lock_acquire+0x1ed/0x520
[  676.217717]  ? ext4_filemap_fault+0x7a/0xad
[  676.222042]  ? lock_release+0xa00/0xa00
[  676.226046]  ? perf_trace_sched_process_exec+0x860/0x860
[  676.231509]  ? print_usage_bug+0xc0/0xc0
[  676.235579]  ? print_usage_bug+0xc0/0xc0
[  676.239652]  ? __x64_sys_read+0x73/0xb0
[  676.243641]  ? print_usage_bug+0xc0/0xc0
[  676.247717]  ? down_read+0x8d/0x120
[  676.251375]  ? ext4_filemap_fault+0x7a/0xad
[  676.255701]  ? __down_interruptible+0x700/0x700
[  676.260397]  ext4_filemap_fault+0x82/0xad
[  676.264566]  __do_fault+0x100/0x6b0
[  676.268192]  ? trace_hardirqs_on+0xbd/0x310
[  676.272512]  ? pmd_devmap_trans_unstable+0x220/0x220
[  676.277613]  ? mark_held_locks+0x130/0x130
[  676.281860]  ? mark_held_locks+0x130/0x130
[  676.286122]  ? do_syslog+0x147b/0x1690
[  676.290037]  ? do_syslog+0x309/0x1690
[  676.293838]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.299375]  __handle_mm_fault+0x3ea0/0x5be0
[  676.303787]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  676.308628]  ? find_held_lock+0x36/0x1c0
[  676.312721]  ? zap_class+0x640/0x640
[  676.316442]  ? zap_class+0x640/0x640
[  676.320162]  ? find_held_lock+0x36/0x1c0
[  676.324229]  ? handle_mm_fault+0x42a/0xc70
[  676.328461]  ? lock_downgrade+0x900/0x900
[  676.332614]  ? check_preemption_disabled+0x48/0x280
[  676.337637]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  676.342565]  ? kasan_check_read+0x11/0x20
[  676.346715]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  676.351992]  ? rcu_softirq_qs+0x20/0x20
[  676.355983]  ? trace_hardirqs_off_caller+0x310/0x310
[  676.361091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.366627]  ? check_preemption_disabled+0x48/0x280
[  676.371651]  handle_mm_fault+0x54f/0xc70
[  676.375729]  ? __handle_mm_fault+0x5be0/0x5be0
[  676.380311]  ? find_vma+0x34/0x190
[  676.383884]  __do_page_fault+0x5e8/0xe60
[  676.387972]  ? trace_hardirqs_off+0xb8/0x310
[  676.392377]  ? kernel_write+0x120/0x120
[  676.396358]  do_page_fault+0xf2/0x7e0
[  676.400155]  ? vmalloc_sync_all+0x30/0x30
[  676.404388]  ? error_entry+0x70/0xd0
[  676.408129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  676.413189]  ? trace_hardirqs_on_caller+0xc0/0x310
[  676.418118]  ? syscall_return_slowpath+0x5e0/0x5e0
[  676.423060]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.427915]  ? trace_hardirqs_on_caller+0x310/0x310
[  676.432926]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  676.438377]  ? prepare_exit_to_usermode+0x291/0x3b0
[  676.443410]  ? page_fault+0x8/0x30
[  676.446984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  676.451841]  ? page_fault+0x8/0x30
[  676.455378]  page_fault+0x1e/0x30
[  676.458826] RIP: 0033:0x7fe9f4ff21fd
[  676.462565] Code: Bad RIP value.
[  676.465924] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  676.471288] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  676.478553] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  676.485822] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  676.493085] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  676.500349] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  676.507634] warn_alloc_show_mem: 1 callbacks suppressed
[  676.507646] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  676.507647] Mem-Info:
[  676.507674] active_anon:43385 inactive_anon:190 isolated_anon:0
[  676.507674]  active_file:9 inactive_file:19 isolated_file:0
[  676.507674]  unevictable:0 dirty:0 writeback:0 unstable:0
[  676.507674]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  676.507674]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  676.507674]  free:13722 free_pcp:438 free_cma:0
[  676.513030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  676.513038] Call Trace:
[  676.520142] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  676.522540]  <IRQ>
[  676.555335] 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
[  676.564691]  dump_stack+0x244/0x39d
[  676.567251] lowmem_reserve[]: 0 2818 6321 6321
[  676.594749]  ? dump_stack_print_info.cold.1+0x20/0x20
[  676.596888] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  676.622999]  warn_alloc.cold.116+0xb7/0x1bd
[  676.626619] lowmem_reserve[]: 0 0 3503 3503
[  676.631293]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  676.636455] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  676.663872]  ? lock_downgrade+0x900/0x900
[  676.668166] lowmem_reserve[]: 0 0 0 0
[  676.672495]  ? trace_hardirqs_off+0xb8/0x310
[  676.677309] 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
[  676.706281]  ? trace_hardirqs_off+0xb8/0x310
[  676.710406] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  676.714231]  __alloc_pages_slowpath+0x2651/0x2de0
[  676.718605] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  676.732155]  ? warn_alloc+0x120/0x120
[  676.736525] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  676.751510]  ? warn_alloc+0x120/0x120
[  676.756337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  676.771851]  ? __lock_acquire+0x62f/0x4c20
[  676.775637] 272 total pagecache pages
[  676.784467]  ? warn_alloc+0x120/0x120
[  676.788259] 0 pages in swap cache
[  676.796826]  ? print_usage_bug+0xc0/0xc0
[  676.801037] Swap cache stats: add 0, delete 0, find 0/0
[  676.801046] Free swap  = 0kB
[  676.804839]  ? print_usage_bug+0xc0/0xc0
[  676.808616] Total swap = 0kB
[  676.812062]  ? mark_held_locks+0x130/0x130
[  676.816097] 1965979 pages RAM
[  676.821465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  676.824459] 0 pages HighMem/MovableOnly
[  676.828518]  ? should_fail+0x22d/0xd01
[  676.831513] 342854 pages reserved
[  676.835743]  ? zap_class+0x640/0x640
[  676.838820] 0 pages cma reserved
[  676.838894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  676.844363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.844379]  ? __lock_acquire+0x62f/0x4c20
[  676.844396]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  676.848410] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  676.852254]  ? should_fail+0x22d/0xd01
[  676.855688] rsyslogd cpuset=/ mems_allowed=0
[  676.859403]  ? mark_held_locks+0x130/0x130
[  676.906371]  ? mark_held_locks+0x130/0x130
[  676.910608]  ? lock_downgrade+0x900/0x900
[  676.915022]  ? zap_class+0x640/0x640
[  676.918738]  ? zap_class+0x640/0x640
[  676.922462]  ? zap_class+0x640/0x640
[  676.926178]  ? do_raw_spin_unlock+0xa7/0x330
[  676.930591]  ? trace_hardirqs_on+0x310/0x310
[  676.935004]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.940547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.946088]  ? check_preemption_disabled+0x48/0x280
[  676.951119]  ? __lock_is_held+0xb5/0x140
[  676.955192]  __alloc_pages_nodemask+0xad8/0xea0
[  676.959864]  ? zap_class+0x640/0x640
[  676.963610]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  676.968639]  ? find_held_lock+0x36/0x1c0
[  676.972716]  ? ____cache_alloc_node+0x1c7/0x1e0
[  676.977401]  ? lock_downgrade+0x900/0x900
[  676.981565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  676.987107]  cache_grow_begin+0xa5/0x8c0
[  676.991194]  ? do_raw_spin_unlock+0xa7/0x330
[  676.995626]  fallback_alloc+0x204/0x2e0
[  676.999610]  ____cache_alloc_node+0x1c7/0x1e0
[  677.004114]  kmem_cache_alloc_node+0xe3/0x730
[  677.008611]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.013205]  __alloc_skb+0x119/0x770
[  677.016919]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  677.022290]  ? netdev_alloc_frag+0x1f0/0x1f0
[  677.026709]  ? vprintk_default+0x28/0x30
[  677.030772]  ? vprintk_func+0x85/0x181
[  677.034668]  ? printk+0xa7/0xcf
[  677.037949]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  677.042716]  ? do_raw_spin_trylock+0x270/0x270
[  677.047305]  new_skb+0x26/0x1c0
[  677.050589]  aoecmd_cfg+0x279/0x7f0
[  677.054221]  ? find_held_lock+0x36/0x1c0
[  677.058286]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  677.062717]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.068272]  ? __lock_is_held+0xb5/0x140
[  677.072345]  discover_timer+0x50/0x60
[  677.076153]  call_timer_fn+0x272/0x920
[  677.080041]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.084892]  ? process_timeout+0x40/0x40
[  677.088964]  ? __run_timers+0x7da/0xc70
[  677.092942]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.097463]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.101963]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.106810]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.111397]  ? trace_hardirqs_on+0xbd/0x310
[  677.115728]  ? kasan_check_read+0x11/0x20
[  677.119877]  ? __run_timers+0x7da/0xc70
[  677.123858]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.128977]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  677.133820]  __run_timers+0x7e5/0xc70
[  677.137632]  ? timer_fixup_init+0x70/0x70
[  677.141791]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  677.146817]  ? zap_class+0x640/0x640
[  677.150534]  ? enqueue_hrtimer+0x1a5/0x560
[  677.154774]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  677.159979]  ? find_held_lock+0x36/0x1c0
[  677.164064]  ? zap_class+0x640/0x640
[  677.167798]  ? pvclock_read_flags+0x160/0x160
[  677.172291]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.177845]  ? check_preemption_disabled+0x48/0x280
[  677.182875]  ? __lock_is_held+0xb5/0x140
[  677.186940]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.192478]  ? check_preemption_disabled+0x48/0x280
[  677.197518]  run_timer_softirq+0x52/0xb0
[  677.201588]  ? rcu_read_lock_sched_held+0x14f/0x180
[  677.206608]  __do_softirq+0x308/0xb7e
[  677.210416]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  677.214927]  ? lock_downgrade+0x900/0x900
[  677.219084]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  677.224201]  ? pvclock_read_flags+0x160/0x160
[  677.228700]  ? lapic_next_event+0x5a/0x90
[  677.232857]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.238416]  ? kvm_clock_read+0x18/0x30
[  677.242413]  ? kvm_sched_clock_read+0x9/0x20
[  677.246835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.252405]  ? check_preemption_disabled+0x48/0x280
[  677.257447]  irq_exit+0x17f/0x1c0
[  677.260940]  smp_apic_timer_interrupt+0x1cb/0x760
[  677.265788]  ? smp_reschedule_interrupt+0x109/0x650
[  677.270825]  ? smp_call_function_single_interrupt+0x650/0x650
[  677.276726]  ? interrupt_entry+0xb5/0xc0
[  677.280798]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.285826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  677.290876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.295719]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.300732]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.305764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.310619]  apic_timer_interrupt+0xf/0x20
[  677.314850]  </IRQ>
[  677.317091] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  677.322024] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  677.340930] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  677.348652] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  677.355920] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  677.363188] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  677.370457] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  677.377742] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  677.385055]  skb_clone+0x1bb/0x500
[  677.388602]  ? finish_task_switch+0x2f4/0x910
[  677.393098]  ? skb_split+0x11e0/0x11e0
[  677.397029]  ? preempt_notifier_register+0x200/0x200
[  677.402146]  ? __switch_to_asm+0x34/0x70
[  677.406224]  ? __switch_to_asm+0x34/0x70
[  677.410281]  ? __switch_to_asm+0x40/0x70
[  677.414346]  ? __switch_to_asm+0x34/0x70
[  677.418439]  ? __switch_to_asm+0x40/0x70
[  677.422499]  ? __switch_to_asm+0x34/0x70
[  677.426561]  ? __switch_to_asm+0x40/0x70
[  677.430633]  ? __switch_to_asm+0x34/0x70
[  677.434693]  ? __switch_to_asm+0x34/0x70
[  677.438790]  ? __switch_to_asm+0x40/0x70
[  677.442848]  ? __switch_to_asm+0x34/0x70
[  677.446915]  bpf_clone_redirect+0xb9/0x490
[  677.451186]  ? __schedule+0x8d7/0x21d0
[  677.455086]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  677.460104]  ? __sched_text_start+0x8/0x8
[  677.464254]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  677.468836]  ? retint_kernel+0x2d/0x2d
[  677.472783]  ? trace_hardirqs_on_caller+0xc0/0x310
[  677.477720]  ? find_held_lock+0x36/0x1c0
[  677.481797]  ? lock_acquire+0x1ed/0x520
[  677.485780]  ? bpf_test_run+0x3ee/0x7a0
[  677.489757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.495303]  ? check_preemption_disabled+0x48/0x280
[  677.500327]  ? kasan_check_read+0x11/0x20
[  677.504491]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.509764]  ? rcu_softirq_qs+0x20/0x20
[  677.513758]  ? preempt_schedule+0x4d/0x60
[  677.517917]  ? ___preempt_schedule+0x16/0x18
[  677.522332]  ? bpf_test_run+0x271/0x7a0
[  677.526314]  ? netlink_diag_dump+0x2a0/0x2a0
[  677.530727]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.536261]  ? bpf_test_init.isra.10+0x70/0x100
[  677.540932]  ? bpf_prog_test_run_skb+0x762/0xd60
[  677.545696]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.550545]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  677.556082]  ? fput+0x130/0x1a0
[  677.559370]  ? __bpf_prog_get+0x9b/0x290
[  677.563439]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  677.568299]  ? bpf_prog_test_run+0x130/0x1a0
[  677.572743]  ? __x64_sys_bpf+0x3d8/0x520
[  677.576811]  ? bpf_prog_get+0x20/0x20
[  677.580636]  ? do_syscall_64+0x1b9/0x820
[  677.584700]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  677.590067]  ? syscall_return_slowpath+0x5e0/0x5e0
[  677.594994]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.599842]  ? trace_hardirqs_on_caller+0x310/0x310
[  677.604891]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  677.609944]  ? prepare_exit_to_usermode+0x291/0x3b0
[  677.614967]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  677.619823]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  677.625221] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  677.625287] aoe: skb alloc failure
[  677.631983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  677.631988] Call Trace:
[  677.631994]  <IRQ>
[  677.632012]  dump_stack+0x244/0x39d
[  677.632031]  ? dump_stack_print_info.cold.1+0x20/0x20
[  677.632057]  warn_alloc.cold.116+0xb7/0x1bd
[  677.635601] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  677.644928]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  677.647499] syz-executor4 cpuset=syz4 mems_allowed=0
[  677.649659]  ? lock_downgrade+0x900/0x900
[  677.687291]  ? trace_hardirqs_off+0xb8/0x310
[  677.691708]  ? trace_hardirqs_off+0xb8/0x310
[  677.696143]  __alloc_pages_slowpath+0x2651/0x2de0
[  677.701031]  ? warn_alloc+0x120/0x120
[  677.704853]  ? print_usage_bug+0xc0/0xc0
[  677.708932]  ? warn_alloc+0x120/0x120
[  677.712739]  ? warn_alloc+0x120/0x120
[  677.716543]  ? print_usage_bug+0xc0/0xc0
[  677.720607]  ? print_usage_bug+0xc0/0xc0
[  677.724670]  ? __lock_acquire+0x62f/0x4c20
[  677.728944]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  677.734482]  ? should_fail+0x22d/0xd01
[  677.738372]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.743477]  ? __lock_acquire+0x62f/0x4c20
[  677.747736]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  677.752846]  ? __lock_acquire+0x62f/0x4c20
[  677.757082]  ? should_fail+0x22d/0xd01
[  677.760971]  ? find_held_lock+0x36/0x1c0
[  677.765042]  ? mark_held_locks+0x130/0x130
[  677.769292]  ? mark_held_locks+0x130/0x130
[  677.773656]  ? zap_class+0x640/0x640
[  677.777439]  ? zap_class+0x640/0x640
[  677.781157]  ? print_usage_bug+0xc0/0xc0
[  677.785259]  ? do_raw_spin_unlock+0xa7/0x330
[  677.789705]  ? zap_class+0x640/0x640
[  677.793471]  ? print_usage_bug+0xc0/0xc0
[  677.797528]  ? wq_watchdog_touch+0x9c/0xfe
[  677.801768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.807313]  ? check_preemption_disabled+0x48/0x280
[  677.812335]  ? __lock_is_held+0xb5/0x140
[  677.816400]  __alloc_pages_nodemask+0xad8/0xea0
[  677.821075]  ? zap_class+0x640/0x640
[  677.824790]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  677.829813]  ? find_held_lock+0x36/0x1c0
[  677.833885]  ? ____cache_alloc_node+0x1c7/0x1e0
[  677.838558]  ? lock_downgrade+0x900/0x900
[  677.842716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.848271]  cache_grow_begin+0xa5/0x8c0
[  677.852342]  ? do_raw_spin_unlock+0xa7/0x330
[  677.856761]  fallback_alloc+0x204/0x2e0
[  677.860745]  ____cache_alloc_node+0x1c7/0x1e0
[  677.865251]  kmem_cache_alloc_node+0xe3/0x730
[  677.869758]  ? ipv6_get_ifaddr+0x42e/0x620
[  677.874006]  __alloc_skb+0x119/0x770
[  677.877727]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  677.883009]  ? netdev_alloc_frag+0x1f0/0x1f0
[  677.887421]  ? lock_downgrade+0x900/0x900
[  677.891589]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  677.897128]  ? refcount_sub_and_test_checked+0x203/0x310
[  677.902585]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  677.908038]  ? addrconf_rs_timer+0x690/0x690
[  677.912464]  ndisc_alloc_skb+0x144/0x340
[  677.916546]  ndisc_send_rs+0x331/0x6e0
[  677.920477]  addrconf_rs_timer+0x314/0x690
[  677.924723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.928973]  call_timer_fn+0x272/0x920
[  677.932865]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.937141]  ? process_timeout+0x40/0x40
[  677.941249]  ? mark_held_locks+0xc7/0x130
[  677.945404]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.949915]  ? _raw_spin_unlock_irq+0x27/0x80
[  677.954414]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.958664]  ? lockdep_hardirqs_on+0x296/0x5b0
[  677.963250]  ? trace_hardirqs_on+0xbd/0x310
[  677.967580]  ? kasan_check_read+0x11/0x20
[  677.971728]  ? __run_timers+0x7da/0xc70
[  677.975718]  ? trace_hardirqs_off_caller+0x310/0x310
[  677.980828]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.985070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  677.989309]  __run_timers+0x7e5/0xc70
[  677.993152]  ? timer_fixup_init+0x70/0x70
[  677.997324]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  678.002346]  ? zap_class+0x640/0x640
[  678.006067]  ? print_usage_bug+0xc0/0xc0
[  678.010163]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  678.015364]  ? find_held_lock+0x36/0x1c0
[  678.019439]  ? zap_class+0x640/0x640
[  678.023163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.028705]  ? check_preemption_disabled+0x48/0x280
[  678.033734]  ? __lock_is_held+0xb5/0x140
[  678.037811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.043365]  ? check_preemption_disabled+0x48/0x280
[  678.048391]  run_timer_softirq+0x52/0xb0
[  678.052465]  ? rcu_read_lock_sched_held+0x14f/0x180
[  678.057484]  __do_softirq+0x308/0xb7e
[  678.061295]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  678.065795]  ? lock_downgrade+0x900/0x900
[  678.069954]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  678.075069]  ? pvclock_read_flags+0x160/0x160
[  678.079587]  ? lapic_next_event+0x5a/0x90
[  678.083741]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.089291]  ? kvm_clock_read+0x18/0x30
[  678.093269]  ? kvm_sched_clock_read+0x9/0x20
[  678.097705]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.103246]  ? check_preemption_disabled+0x48/0x280
[  678.108296]  irq_exit+0x17f/0x1c0
[  678.111758]  smp_apic_timer_interrupt+0x1cb/0x760
[  678.116618]  ? smp_call_function_single_interrupt+0x650/0x650
[  678.122516]  ? interrupt_entry+0xb5/0xc0
[  678.126576]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.131594]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.136628]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.141478]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.146493]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.151526]  ? task_prio+0x50/0x50
[  678.155098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.160636]  ? check_preemption_disabled+0x48/0x280
[  678.165657]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.170620]  apic_timer_interrupt+0xf/0x20
[  678.174861]  </IRQ>
[  678.177129] RIP: 0010:dump_stack+0x358/0x39d
[  678.181544] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  678.200451] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  678.208157] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  678.215437] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  678.222706] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  678.229991] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  678.237256] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  678.244563]  ? dump_stack+0x34f/0x39d
[  678.248377]  ? dump_stack_print_info.cold.1+0x20/0x20
[  678.253574]  ? mark_held_locks+0x130/0x130
[  678.257823]  ? mark_held_locks+0x130/0x130
[  678.262062]  dump_header+0x27b/0xf72
[  678.265801]  ? pagefault_out_of_memory+0x197/0x197
[  678.270739]  ? __lock_acquire+0x62f/0x4c20
[  678.274977]  ? percpu_ref_get_many+0x240/0x240
[  678.279566]  ? print_usage_bug+0xc0/0xc0
[  678.283648]  ? zap_class+0x640/0x640
[  678.287379]  ? print_usage_bug+0xc0/0xc0
[  678.291459]  ? print_usage_bug+0xc0/0xc0
[  678.295523]  ? zap_class+0x640/0x640
[  678.299245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.304795]  ? find_held_lock+0x36/0x1c0
[  678.308865]  ? mark_held_locks+0xc7/0x130
[  678.313015]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.318121]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  678.323242]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  678.327956]  ? trace_hardirqs_on+0xbd/0x310
[  678.332452]  ? kasan_check_read+0x11/0x20
[  678.336738]  ? ___ratelimit+0x3b4/0x672
[  678.340740]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.345851]  ? trace_hardirqs_on+0x310/0x310
[  678.350259]  ? lock_downgrade+0x900/0x900
[  678.354422]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  678.359543]  ? ___ratelimit+0x3b9/0x672
[  678.363523]  ? idr_get_free+0xf70/0xf70
[  678.367499]  ? find_held_lock+0x36/0x1c0
[  678.371576]  oom_kill_process.cold.27+0x10/0x903
[  678.376340]  ? zap_class+0x640/0x640
[  678.380057]  ? check_preemption_disabled+0x48/0x280
[  678.385079]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.390029]  ? kasan_check_read+0x11/0x20
[  678.394177]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.399461]  ? oom_evaluate_task+0x540/0x540
[  678.403876]  ? find_held_lock+0x36/0x1c0
[  678.407962]  ? out_of_memory+0x974/0x1430
[  678.412111]  ? lock_downgrade+0x900/0x900
[  678.416269]  ? check_preemption_disabled+0x48/0x280
[  678.421318]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.426265]  ? kasan_check_read+0x11/0x20
[  678.430415]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.435733]  ? rcu_softirq_qs+0x20/0x20
[  678.439722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.445258]  ? oom_evaluate_task+0x302/0x540
[  678.449687]  out_of_memory+0xa84/0x1430
[  678.453668]  ? oom_killer_disable+0x3a0/0x3a0
[  678.458164]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  678.463113]  ? __ww_mutex_check_waiters+0x160/0x160
[  678.468177]  __alloc_pages_slowpath+0x232c/0x2de0
[  678.473046]  ? warn_alloc+0x120/0x120
[  678.476847]  ? mark_held_locks+0x130/0x130
[  678.481083]  ? find_get_entry+0xaae/0x1120
[  678.485376]  ? filemap_map_pages+0x1a20/0x1a20
[  678.489962]  ? zap_class+0x640/0x640
[  678.493682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  678.499228]  ? check_preemption_disabled+0x48/0x280
[  678.504259]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.509802]  ? should_fail+0x22d/0xd01
[  678.513711]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  678.518817]  ? zap_class+0x640/0x640
[  678.522558]  ? __lock_is_held+0xb5/0x140
[  678.526628]  ? mark_held_locks+0x130/0x130
[  678.530872]  ? lock_release+0xa00/0xa00
[  678.534847]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.540304]  ? xa_load+0x2ba/0x460
[  678.543846]  ? lock_downgrade+0x900/0x900
[  678.548000]  ? __might_sleep+0x95/0x190
[  678.551983]  __alloc_pages_nodemask+0xad8/0xea0
[  678.556673]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  678.561691]  ? __page_cache_alloc+0x191/0x5c0
[  678.566251]  ? xa_load+0x2e1/0x460
[  678.569822]  ? xa_clear_mark+0x40/0x40
[  678.573712]  ? zap_class+0x640/0x640
[  678.577456]  ? zap_class+0x640/0x640
[  678.581190]  ? zap_class+0x640/0x640
[  678.584905]  ? __do_page_cache_readahead+0x663/0x810
[  678.590014]  ? find_held_lock+0x36/0x1c0
[  678.594081]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  678.599624]  alloc_pages_current+0x173/0x350
[  678.604043]  __page_cache_alloc+0x38c/0x5c0
[  678.608363]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.613297]  ? kasan_check_read+0x11/0x20
[  678.617454]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.622743]  ? generic_perform_write+0x6a0/0x6a0
[  678.627517]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.633060]  ? check_preemption_disabled+0x48/0x280
[  678.638089]  filemap_fault+0x1595/0x25f0
[  678.642166]  ? __lock_page_or_retry+0xa00/0xa00
[  678.646841]  ? mark_held_locks+0x130/0x130
[  678.651094]  ? filemap_map_pages+0xd6b/0x1a20
[  678.655597]  ? lock_downgrade+0x900/0x900
[  678.659746]  ? check_preemption_disabled+0x48/0x280
[  678.664767]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.669703]  ? kasan_check_read+0x11/0x20
[  678.673851]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.679128]  ? rcu_softirq_qs+0x20/0x20
[  678.683116]  ? filemap_map_pages+0xd92/0x1a20
[  678.687636]  ? find_get_entries_tag+0x1400/0x1400
[  678.692478]  ? __kernel_text_address+0xd/0x40
[  678.696996]  ? unwind_get_return_address+0x61/0xa0
[  678.701946]  ? lock_acquire+0x1ed/0x520
[  678.705922]  ? ext4_filemap_fault+0x7a/0xad
[  678.710254]  ? lock_release+0xa00/0xa00
[  678.714233]  ? perf_trace_sched_process_exec+0x860/0x860
[  678.719685]  ? print_usage_bug+0xc0/0xc0
[  678.723748]  ? print_usage_bug+0xc0/0xc0
[  678.727808]  ? __x64_sys_read+0x73/0xb0
[  678.731784]  ? print_usage_bug+0xc0/0xc0
[  678.735861]  ? down_read+0x8d/0x120
[  678.739499]  ? ext4_filemap_fault+0x7a/0xad
[  678.743827]  ? __down_interruptible+0x700/0x700
[  678.748504]  ext4_filemap_fault+0x82/0xad
[  678.752654]  __do_fault+0x100/0x6b0
[  678.756288]  ? trace_hardirqs_on+0xbd/0x310
[  678.760630]  ? pmd_devmap_trans_unstable+0x220/0x220
[  678.765780]  ? mark_held_locks+0x130/0x130
[  678.770048]  ? mark_held_locks+0x130/0x130
[  678.774286]  ? do_syslog+0x147b/0x1690
[  678.778179]  ? do_syslog+0x309/0x1690
[  678.781980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.787545]  __handle_mm_fault+0x3ea0/0x5be0
[  678.791963]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  678.796826]  ? find_held_lock+0x36/0x1c0
[  678.800941]  ? zap_class+0x640/0x640
[  678.804651]  ? zap_class+0x640/0x640
[  678.808389]  ? find_held_lock+0x36/0x1c0
[  678.812464]  ? handle_mm_fault+0x42a/0xc70
[  678.816703]  ? lock_downgrade+0x900/0x900
[  678.820853]  ? check_preemption_disabled+0x48/0x280
[  678.825876]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  678.830825]  ? kasan_check_read+0x11/0x20
[  678.834971]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  678.840245]  ? rcu_softirq_qs+0x20/0x20
[  678.844224]  ? trace_hardirqs_off_caller+0x310/0x310
[  678.849449]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  678.854992]  ? check_preemption_disabled+0x48/0x280
[  678.860016]  handle_mm_fault+0x54f/0xc70
[  678.864079]  ? __handle_mm_fault+0x5be0/0x5be0
[  678.868668]  ? find_vma+0x34/0x190
[  678.872218]  __do_page_fault+0x5e8/0xe60
[  678.876283]  ? trace_hardirqs_off+0xb8/0x310
[  678.880687]  ? kernel_write+0x120/0x120
[  678.884680]  do_page_fault+0xf2/0x7e0
[  678.888506]  ? vmalloc_sync_all+0x30/0x30
[  678.892667]  ? error_entry+0x70/0xd0
[  678.896378]  ? trace_hardirqs_off_caller+0xbb/0x310
[  678.901391]  ? trace_hardirqs_on_caller+0xc0/0x310
[  678.906830]  ? syscall_return_slowpath+0x5e0/0x5e0
[  678.911777]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.916622]  ? trace_hardirqs_on_caller+0x310/0x310
[  678.921639]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  678.927108]  ? prepare_exit_to_usermode+0x291/0x3b0
[  678.932135]  ? page_fault+0x8/0x30
[  678.935681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  678.940527]  ? page_fault+0x8/0x30
[  678.944068]  page_fault+0x1e/0x30
[  678.947525] RIP: 0033:0x7fe9f4ff21fd
[  678.951256] Code: Bad RIP value.
[  678.954648] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  678.960011] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  678.967274] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  678.974631] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  678.981929] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  678.989206] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  678.996515] warn_alloc_show_mem: 1 callbacks suppressed
[  678.996527] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  678.996529] Mem-Info:
[  678.996558] active_anon:43385 inactive_anon:190 isolated_anon:0
[  678.996558]  active_file:9 inactive_file:19 isolated_file:0
[  678.996558]  unevictable:0 dirty:0 writeback:0 unstable:0
[  678.996558]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  678.996558]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  678.996558]  free:13722 free_pcp:438 free_cma:0
[  679.001906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  679.001915] Call Trace:
[  679.009026] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  679.011431]  <IRQ>
[  679.044317] 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
[  679.053684]  dump_stack+0x244/0x39d
[  679.056251] lowmem_reserve[]: 0 2818 6321 6321
[  679.083769]  ? dump_stack_print_info.cold.1+0x20/0x20
[  679.085895] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  679.112002]  warn_alloc.cold.116+0xb7/0x1bd
[  679.115598] lowmem_reserve[]: 0 0 3503 3503
[  679.120202]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  679.125384] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  679.152719]  ? lock_downgrade+0x900/0x900
[  679.157017] lowmem_reserve[]: 0 0 0 0
[  679.161337]  ? trace_hardirqs_off+0xb8/0x310
[  679.166150] 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
[  679.195165]  ? trace_hardirqs_off+0xb8/0x310
[  679.199294] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  679.203094]  __alloc_pages_slowpath+0x2651/0x2de0
[  679.207472] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  679.221020]  ? warn_alloc+0x120/0x120
[  679.225393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  679.240382]  ? warn_alloc+0x120/0x120
[  679.245222] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  679.260733]  ? __lock_acquire+0x62f/0x4c20
[  679.264510] 272 total pagecache pages
[  679.273338]  ? warn_alloc+0x120/0x120
[  679.277119] 0 pages in swap cache
[  679.285789]  ? print_usage_bug+0xc0/0xc0
[  679.290000] Swap cache stats: add 0, delete 0, find 0/0
[  679.293795]  ? print_usage_bug+0xc0/0xc0
[  679.297568] Free swap  = 0kB
[  679.301012]  ? mark_held_locks+0x130/0x130
[  679.305052] Total swap = 0kB
[  679.310411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  679.314450] 1965979 pages RAM
[  679.317471]  ? should_fail+0x22d/0xd01
[  679.321674] 0 pages HighMem/MovableOnly
[  679.321682] 342854 pages reserved
[  679.324705]  ? zap_class+0x640/0x640
[  679.330224] 0 pages cma reserved
[  679.333324]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.337398] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  679.341302]  ? __lock_acquire+0x62f/0x4c20
[  679.341320]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  679.341336]  ? should_fail+0x22d/0xd01
[  679.344829] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  679.348490]  ? mark_held_locks+0x130/0x130
[  679.351826] rsyslogd cpuset=/ mems_allowed=0
[  679.356922]  ? mark_held_locks+0x130/0x130
[  679.399484]  ? lock_downgrade+0x900/0x900
[  679.403668]  ? zap_class+0x640/0x640
[  679.407399]  ? zap_class+0x640/0x640
[  679.411120]  ? zap_class+0x640/0x640
[  679.414832]  ? do_raw_spin_unlock+0xa7/0x330
[  679.419243]  ? trace_hardirqs_on+0x310/0x310
[  679.423652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.429192]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.434770]  ? check_preemption_disabled+0x48/0x280
[  679.439824]  ? __lock_is_held+0xb5/0x140
[  679.443894]  __alloc_pages_nodemask+0xad8/0xea0
[  679.448565]  ? zap_class+0x640/0x640
[  679.452281]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  679.457311]  ? find_held_lock+0x36/0x1c0
[  679.461383]  ? ____cache_alloc_node+0x1c7/0x1e0
[  679.466054]  ? lock_downgrade+0x900/0x900
[  679.470220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.475792]  cache_grow_begin+0xa5/0x8c0
[  679.479855]  ? do_raw_spin_unlock+0xa7/0x330
[  679.484280]  fallback_alloc+0x204/0x2e0
[  679.488278]  ____cache_alloc_node+0x1c7/0x1e0
[  679.492789]  kmem_cache_alloc_node+0xe3/0x730
[  679.497306]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.501905]  __alloc_skb+0x119/0x770
[  679.505619]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  679.510988]  ? netdev_alloc_frag+0x1f0/0x1f0
[  679.515409]  ? vprintk_default+0x28/0x30
[  679.519480]  ? vprintk_func+0x85/0x181
[  679.523374]  ? printk+0xa7/0xcf
[  679.526665]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  679.531449]  ? do_raw_spin_trylock+0x270/0x270
[  679.536039]  new_skb+0x26/0x1c0
[  679.539322]  aoecmd_cfg+0x279/0x7f0
[  679.542954]  ? find_held_lock+0x36/0x1c0
[  679.547017]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  679.551346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.556896]  ? __lock_is_held+0xb5/0x140
[  679.560988]  discover_timer+0x50/0x60
[  679.564795]  call_timer_fn+0x272/0x920
[  679.568697]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.573540]  ? process_timeout+0x40/0x40
[  679.577609]  ? __run_timers+0x7da/0xc70
[  679.581586]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.586080]  ? _raw_spin_unlock_irq+0x27/0x80
[  679.590575]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.595442]  ? lockdep_hardirqs_on+0x296/0x5b0
[  679.600030]  ? trace_hardirqs_on+0xbd/0x310
[  679.604354]  ? kasan_check_read+0x11/0x20
[  679.608529]  ? __run_timers+0x7da/0xc70
[  679.612506]  ? trace_hardirqs_off_caller+0x310/0x310
[  679.617628]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  679.622503]  __run_timers+0x7e5/0xc70
[  679.626316]  ? timer_fixup_init+0x70/0x70
[  679.630470]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  679.635491]  ? zap_class+0x640/0x640
[  679.639212]  ? enqueue_hrtimer+0x1a5/0x560
[  679.643461]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  679.648662]  ? find_held_lock+0x36/0x1c0
[  679.652732]  ? zap_class+0x640/0x640
[  679.656465]  ? pvclock_read_flags+0x160/0x160
[  679.660966]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.666511]  ? check_preemption_disabled+0x48/0x280
[  679.671538]  ? __lock_is_held+0xb5/0x140
[  679.675604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.681147]  ? check_preemption_disabled+0x48/0x280
[  679.686195]  run_timer_softirq+0x52/0xb0
[  679.690272]  ? rcu_read_lock_sched_held+0x14f/0x180
[  679.695300]  __do_softirq+0x308/0xb7e
[  679.699122]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  679.703633]  ? lock_downgrade+0x900/0x900
[  679.707842]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  679.712981]  ? pvclock_read_flags+0x160/0x160
[  679.717505]  ? lapic_next_event+0x5a/0x90
[  679.721655]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.727202]  ? kvm_clock_read+0x18/0x30
[  679.731176]  ? kvm_sched_clock_read+0x9/0x20
[  679.735588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.741130]  ? check_preemption_disabled+0x48/0x280
[  679.746189]  irq_exit+0x17f/0x1c0
[  679.749646]  smp_apic_timer_interrupt+0x1cb/0x760
[  679.754506]  ? smp_reschedule_interrupt+0x109/0x650
[  679.759558]  ? smp_call_function_single_interrupt+0x650/0x650
[  679.765449]  ? interrupt_entry+0xb5/0xc0
[  679.769515]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.775064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  679.780087]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.784960]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.789979]  ? trace_hardirqs_on_caller+0x310/0x310
[  679.795005]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  679.799858]  apic_timer_interrupt+0xf/0x20
[  679.804088]  </IRQ>
[  679.806324] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  679.811258] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  679.830162] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  679.837871] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  679.845155] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  679.852420] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  679.859695] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  679.866961] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  679.874277]  skb_clone+0x1bb/0x500
[  679.877824]  ? finish_task_switch+0x2f4/0x910
[  679.882320]  ? skb_split+0x11e0/0x11e0
[  679.886209]  ? preempt_notifier_register+0x200/0x200
[  679.891311]  ? __switch_to_asm+0x34/0x70
[  679.895391]  ? __switch_to_asm+0x34/0x70
[  679.899488]  ? __switch_to_asm+0x40/0x70
[  679.903546]  ? __switch_to_asm+0x34/0x70
[  679.907619]  ? __switch_to_asm+0x40/0x70
[  679.911682]  ? __switch_to_asm+0x34/0x70
[  679.915741]  ? __switch_to_asm+0x40/0x70
[  679.919806]  ? __switch_to_asm+0x34/0x70
[  679.923879]  ? __switch_to_asm+0x34/0x70
[  679.927964]  ? __switch_to_asm+0x40/0x70
[  679.932024]  ? __switch_to_asm+0x34/0x70
[  679.936119]  bpf_clone_redirect+0xb9/0x490
[  679.940354]  ? __schedule+0x8d7/0x21d0
[  679.944280]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  679.949316]  ? __sched_text_start+0x8/0x8
[  679.953469]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  679.958048]  ? retint_kernel+0x2d/0x2d
[  679.961954]  ? trace_hardirqs_on_caller+0xc0/0x310
[  679.966908]  ? find_held_lock+0x36/0x1c0
[  679.970978]  ? lock_acquire+0x1ed/0x520
[  679.974961]  ? bpf_test_run+0x3ee/0x7a0
[  679.978937]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  679.984489]  ? check_preemption_disabled+0x48/0x280
[  679.989527]  ? kasan_check_read+0x11/0x20
[  679.993680]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  679.998959]  ? rcu_softirq_qs+0x20/0x20
[  680.002937]  ? preempt_schedule+0x4d/0x60
[  680.007088]  ? ___preempt_schedule+0x16/0x18
[  680.011506]  ? bpf_test_run+0x271/0x7a0
[  680.015493]  ? netlink_diag_dump+0x2a0/0x2a0
[  680.019909]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.025461]  ? bpf_test_init.isra.10+0x70/0x100
[  680.030138]  ? bpf_prog_test_run_skb+0x762/0xd60
[  680.034920]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  680.039770]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  680.045315]  ? fput+0x130/0x1a0
[  680.048602]  ? __bpf_prog_get+0x9b/0x290
[  680.052668]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  680.057515]  ? bpf_prog_test_run+0x130/0x1a0
[  680.061927]  ? __x64_sys_bpf+0x3d8/0x520
[  680.065989]  ? bpf_prog_get+0x20/0x20
[  680.069847]  ? do_syscall_64+0x1b9/0x820
[  680.073908]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  680.079272]  ? syscall_return_slowpath+0x5e0/0x5e0
[  680.084217]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.089062]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.094089]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  680.099109]  ? prepare_exit_to_usermode+0x291/0x3b0
[  680.104145]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.109000]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  680.114388] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  680.114463] aoe: skb alloc failure
[  680.121167] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  680.121173] Call Trace:
[  680.121180]  <IRQ>
[  680.121197]  dump_stack+0x244/0x39d
[  680.121218]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.124816] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  680.134144]  warn_alloc.cold.116+0xb7/0x1bd
[  680.136696] syz-executor4 cpuset=syz4 mems_allowed=0
[  680.138848]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  680.172350]  ? lock_downgrade+0x900/0x900
[  680.176536]  ? trace_hardirqs_off+0xb8/0x310
[  680.180955]  ? trace_hardirqs_off+0xb8/0x310
[  680.185388]  __alloc_pages_slowpath+0x2651/0x2de0
[  680.190251]  ? warn_alloc+0x120/0x120
[  680.194068]  ? print_usage_bug+0xc0/0xc0
[  680.198158]  ? warn_alloc+0x120/0x120
[  680.201959]  ? warn_alloc+0x120/0x120
[  680.205754]  ? print_usage_bug+0xc0/0xc0
[  680.209824]  ? print_usage_bug+0xc0/0xc0
[  680.213877]  ? __lock_acquire+0x62f/0x4c20
[  680.218111]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.223674]  ? should_fail+0x22d/0xd01
[  680.227562]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.232665]  ? __lock_acquire+0x62f/0x4c20
[  680.236911]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  680.242006]  ? __lock_acquire+0x62f/0x4c20
[  680.246268]  ? should_fail+0x22d/0xd01
[  680.250170]  ? find_held_lock+0x36/0x1c0
[  680.254230]  ? mark_held_locks+0x130/0x130
[  680.258469]  ? mark_held_locks+0x130/0x130
[  680.262700]  ? zap_class+0x640/0x640
[  680.266448]  ? zap_class+0x640/0x640
[  680.270165]  ? print_usage_bug+0xc0/0xc0
[  680.274250]  ? do_raw_spin_unlock+0xa7/0x330
[  680.278690]  ? zap_class+0x640/0x640
[  680.282415]  ? print_usage_bug+0xc0/0xc0
[  680.286485]  ? wq_watchdog_touch+0x9c/0xfe
[  680.290729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.296283]  ? check_preemption_disabled+0x48/0x280
[  680.301317]  ? __lock_is_held+0xb5/0x140
[  680.305387]  __alloc_pages_nodemask+0xad8/0xea0
[  680.310058]  ? zap_class+0x640/0x640
[  680.313777]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  680.318804]  ? find_held_lock+0x36/0x1c0
[  680.322888]  ? ____cache_alloc_node+0x1c7/0x1e0
[  680.327561]  ? lock_downgrade+0x900/0x900
[  680.331850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.337567]  cache_grow_begin+0xa5/0x8c0
[  680.341628]  ? do_raw_spin_unlock+0xa7/0x330
[  680.346057]  fallback_alloc+0x204/0x2e0
[  680.350033]  ____cache_alloc_node+0x1c7/0x1e0
[  680.354531]  kmem_cache_alloc_node+0xe3/0x730
[  680.359023]  ? ipv6_get_ifaddr+0x42e/0x620
[  680.363264]  __alloc_skb+0x119/0x770
[  680.366979]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.372274]  ? netdev_alloc_frag+0x1f0/0x1f0
[  680.376688]  ? lock_downgrade+0x900/0x900
[  680.380872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.386433]  ? refcount_sub_and_test_checked+0x203/0x310
[  680.391890]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  680.397345]  ? addrconf_rs_timer+0x690/0x690
[  680.401763]  ndisc_alloc_skb+0x144/0x340
[  680.405828]  ndisc_send_rs+0x331/0x6e0
[  680.409735]  addrconf_rs_timer+0x314/0x690
[  680.413970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.418219]  call_timer_fn+0x272/0x920
[  680.422129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.426397]  ? process_timeout+0x40/0x40
[  680.430476]  ? mark_held_locks+0xc7/0x130
[  680.434625]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.439129]  ? _raw_spin_unlock_irq+0x27/0x80
[  680.443619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.447888]  ? lockdep_hardirqs_on+0x296/0x5b0
[  680.452486]  ? trace_hardirqs_on+0xbd/0x310
[  680.456805]  ? kasan_check_read+0x11/0x20
[  680.460947]  ? __run_timers+0x7da/0xc70
[  680.464963]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.470081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.474320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  680.478568]  __run_timers+0x7e5/0xc70
[  680.482374]  ? timer_fixup_init+0x70/0x70
[  680.486516]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  680.491526]  ? zap_class+0x640/0x640
[  680.495235]  ? print_usage_bug+0xc0/0xc0
[  680.499294]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  680.504484]  ? find_held_lock+0x36/0x1c0
[  680.508538]  ? zap_class+0x640/0x640
[  680.512272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.517822]  ? check_preemption_disabled+0x48/0x280
[  680.522859]  ? __lock_is_held+0xb5/0x140
[  680.526917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.532470]  ? check_preemption_disabled+0x48/0x280
[  680.537501]  run_timer_softirq+0x52/0xb0
[  680.541572]  ? rcu_read_lock_sched_held+0x14f/0x180
[  680.546623]  __do_softirq+0x308/0xb7e
[  680.550438]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  680.554931]  ? lock_downgrade+0x900/0x900
[  680.559079]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  680.564200]  ? pvclock_read_flags+0x160/0x160
[  680.568698]  ? lapic_next_event+0x5a/0x90
[  680.572844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.578387]  ? kvm_clock_read+0x18/0x30
[  680.582374]  ? kvm_sched_clock_read+0x9/0x20
[  680.586796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.592336]  ? check_preemption_disabled+0x48/0x280
[  680.597359]  irq_exit+0x17f/0x1c0
[  680.600812]  smp_apic_timer_interrupt+0x1cb/0x760
[  680.605655]  ? smp_call_function_single_interrupt+0x650/0x650
[  680.611554]  ? interrupt_entry+0xb5/0xc0
[  680.615620]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.620651]  ? trace_hardirqs_off_caller+0xbb/0x310
[  680.625669]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.630510]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.635526]  ? trace_hardirqs_on_caller+0x310/0x310
[  680.640560]  ? task_prio+0x50/0x50
[  680.644106]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.649643]  ? check_preemption_disabled+0x48/0x280
[  680.654661]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  680.659503]  apic_timer_interrupt+0xf/0x20
[  680.663728]  </IRQ>
[  680.665979] RIP: 0010:dump_stack+0x358/0x39d
[  680.670388] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  680.689288] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  680.697002] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  680.704287] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  680.711552] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  680.718829] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  680.726087] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  680.733378]  ? dump_stack+0x34f/0x39d
[  680.737187]  ? dump_stack_print_info.cold.1+0x20/0x20
[  680.742386]  ? mark_held_locks+0x130/0x130
[  680.746660]  ? mark_held_locks+0x130/0x130
[  680.750895]  dump_header+0x27b/0xf72
[  680.754632]  ? pagefault_out_of_memory+0x197/0x197
[  680.759606]  ? __lock_acquire+0x62f/0x4c20
[  680.763836]  ? percpu_ref_get_many+0x240/0x240
[  680.768416]  ? print_usage_bug+0xc0/0xc0
[  680.772503]  ? zap_class+0x640/0x640
[  680.776220]  ? print_usage_bug+0xc0/0xc0
[  680.780297]  ? print_usage_bug+0xc0/0xc0
[  680.784356]  ? zap_class+0x640/0x640
[  680.788108]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.793662]  ? find_held_lock+0x36/0x1c0
[  680.797732]  ? mark_held_locks+0xc7/0x130
[  680.801877]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.806975]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  680.812105]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  680.816702]  ? trace_hardirqs_on+0xbd/0x310
[  680.821082]  ? kasan_check_read+0x11/0x20
[  680.825259]  ? ___ratelimit+0x3b4/0x672
[  680.829251]  ? trace_hardirqs_off_caller+0x310/0x310
[  680.834361]  ? trace_hardirqs_on+0x310/0x310
[  680.838770]  ? lock_downgrade+0x900/0x900
[  680.842918]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  680.848013]  ? ___ratelimit+0x3b9/0x672
[  680.851996]  ? idr_get_free+0xf70/0xf70
[  680.855962]  ? find_held_lock+0x36/0x1c0
[  680.860026]  oom_kill_process.cold.27+0x10/0x903
[  680.864800]  ? zap_class+0x640/0x640
[  680.868514]  ? check_preemption_disabled+0x48/0x280
[  680.873536]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.878494]  ? kasan_check_read+0x11/0x20
[  680.882636]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.887911]  ? oom_evaluate_task+0x540/0x540
[  680.892320]  ? find_held_lock+0x36/0x1c0
[  680.896385]  ? out_of_memory+0x974/0x1430
[  680.900553]  ? lock_downgrade+0x900/0x900
[  680.904699]  ? check_preemption_disabled+0x48/0x280
[  680.910207]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  680.915148]  ? kasan_check_read+0x11/0x20
[  680.919316]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  680.924587]  ? rcu_softirq_qs+0x20/0x20
[  680.928560]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.934107]  ? oom_evaluate_task+0x302/0x540
[  680.938564]  out_of_memory+0xa84/0x1430
[  680.942576]  ? oom_killer_disable+0x3a0/0x3a0
[  680.947072]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  680.952005]  ? __ww_mutex_check_waiters+0x160/0x160
[  680.957036]  __alloc_pages_slowpath+0x232c/0x2de0
[  680.961921]  ? warn_alloc+0x120/0x120
[  680.965733]  ? mark_held_locks+0x130/0x130
[  680.969969]  ? find_get_entry+0xaae/0x1120
[  680.974208]  ? filemap_map_pages+0x1a20/0x1a20
[  680.978785]  ? zap_class+0x640/0x640
[  680.982496]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  680.988026]  ? check_preemption_disabled+0x48/0x280
[  680.993060]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  680.998609]  ? should_fail+0x22d/0xd01
[  681.002528]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.007626]  ? zap_class+0x640/0x640
[  681.011365]  ? __lock_is_held+0xb5/0x140
[  681.015460]  ? mark_held_locks+0x130/0x130
[  681.019698]  ? lock_release+0xa00/0xa00
[  681.023702]  ? perf_trace_sched_process_exec+0x860/0x860
[  681.029200]  ? xa_load+0x2ba/0x460
[  681.032742]  ? lock_downgrade+0x900/0x900
[  681.036915]  ? __might_sleep+0x95/0x190
[  681.040908]  __alloc_pages_nodemask+0xad8/0xea0
[  681.045618]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  681.050649]  ? __page_cache_alloc+0x191/0x5c0
[  681.055138]  ? xa_load+0x2e1/0x460
[  681.058673]  ? xa_clear_mark+0x40/0x40
[  681.062559]  ? zap_class+0x640/0x640
[  681.066289]  ? zap_class+0x640/0x640
[  681.069998]  ? zap_class+0x640/0x640
[  681.073725]  ? __do_page_cache_readahead+0x663/0x810
[  681.078832]  ? find_held_lock+0x36/0x1c0
[  681.082902]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  681.088483]  alloc_pages_current+0x173/0x350
[  681.092904]  __page_cache_alloc+0x38c/0x5c0
[  681.097245]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  681.102206]  ? kasan_check_read+0x11/0x20
[  681.106348]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.111621]  ? generic_perform_write+0x6a0/0x6a0
[  681.116404]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.121971]  ? check_preemption_disabled+0x48/0x280
[  681.126986]  filemap_fault+0x1595/0x25f0
[  681.131049]  ? __lock_page_or_retry+0xa00/0xa00
[  681.135713]  ? mark_held_locks+0x130/0x130
[  681.139947]  ? filemap_map_pages+0xd6b/0x1a20
[  681.144443]  ? lock_downgrade+0x900/0x900
[  681.148617]  ? check_preemption_disabled+0x48/0x280
[  681.153630]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  681.158550]  ? kasan_check_read+0x11/0x20
[  681.162721]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.167992]  ? rcu_softirq_qs+0x20/0x20
[  681.171973]  ? filemap_map_pages+0xd92/0x1a20
[  681.176476]  ? find_get_entries_tag+0x1400/0x1400
[  681.181316]  ? __kernel_text_address+0xd/0x40
[  681.185823]  ? unwind_get_return_address+0x61/0xa0
[  681.190789]  ? lock_acquire+0x1ed/0x520
[  681.194760]  ? ext4_filemap_fault+0x7a/0xad
[  681.199104]  ? lock_release+0xa00/0xa00
[  681.203086]  ? perf_trace_sched_process_exec+0x860/0x860
[  681.208531]  ? print_usage_bug+0xc0/0xc0
[  681.212584]  ? print_usage_bug+0xc0/0xc0
[  681.216643]  ? __x64_sys_read+0x73/0xb0
[  681.220625]  ? print_usage_bug+0xc0/0xc0
[  681.224729]  ? down_read+0x8d/0x120
[  681.228350]  ? ext4_filemap_fault+0x7a/0xad
[  681.232664]  ? __down_interruptible+0x700/0x700
[  681.237339]  ext4_filemap_fault+0x82/0xad
[  681.241487]  __do_fault+0x100/0x6b0
[  681.245136]  ? trace_hardirqs_on+0xbd/0x310
[  681.249485]  ? pmd_devmap_trans_unstable+0x220/0x220
[  681.254603]  ? mark_held_locks+0x130/0x130
[  681.258833]  ? mark_held_locks+0x130/0x130
[  681.263061]  ? do_syslog+0x147b/0x1690
[  681.266963]  ? do_syslog+0x309/0x1690
[  681.270763]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.276300]  __handle_mm_fault+0x3ea0/0x5be0
[  681.280743]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  681.285582]  ? find_held_lock+0x36/0x1c0
[  681.289653]  ? zap_class+0x640/0x640
[  681.293359]  ? zap_class+0x640/0x640
[  681.297090]  ? find_held_lock+0x36/0x1c0
[  681.301165]  ? handle_mm_fault+0x42a/0xc70
[  681.305392]  ? lock_downgrade+0x900/0x900
[  681.309532]  ? check_preemption_disabled+0x48/0x280
[  681.314542]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  681.319480]  ? kasan_check_read+0x11/0x20
[  681.323654]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  681.328940]  ? rcu_softirq_qs+0x20/0x20
[  681.333128]  ? trace_hardirqs_off_caller+0x310/0x310
[  681.338286]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.344007]  ? check_preemption_disabled+0x48/0x280
[  681.349046]  handle_mm_fault+0x54f/0xc70
[  681.353116]  ? __handle_mm_fault+0x5be0/0x5be0
[  681.357705]  ? find_vma+0x34/0x190
[  681.361262]  __do_page_fault+0x5e8/0xe60
[  681.365325]  ? trace_hardirqs_off+0xb8/0x310
[  681.369740]  ? kernel_write+0x120/0x120
[  681.373714]  do_page_fault+0xf2/0x7e0
[  681.377549]  ? vmalloc_sync_all+0x30/0x30
[  681.381694]  ? error_entry+0x70/0xd0
[  681.385399]  ? trace_hardirqs_off_caller+0xbb/0x310
[  681.390413]  ? trace_hardirqs_on_caller+0xc0/0x310
[  681.395389]  ? syscall_return_slowpath+0x5e0/0x5e0
[  681.400328]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.405174]  ? trace_hardirqs_on_caller+0x310/0x310
[  681.410183]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  681.415630]  ? prepare_exit_to_usermode+0x291/0x3b0
[  681.420636]  ? page_fault+0x8/0x30
[  681.424186]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  681.429058]  ? page_fault+0x8/0x30
[  681.432593]  page_fault+0x1e/0x30
[  681.436041] RIP: 0033:0x7fe9f4ff21fd
[  681.439765] Code: Bad RIP value.
[  681.443115] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  681.448493] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  681.455756] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  681.463012] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  681.470288] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  681.477546] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  681.484849] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  681.484853] warn_alloc_show_mem: 1 callbacks suppressed
[  681.484860] Mem-Info:
[  681.491955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  681.491962] Call Trace:
[  681.497322] active_anon:43385 inactive_anon:190 isolated_anon:0
[  681.497322]  active_file:9 inactive_file:19 isolated_file:0
[  681.497322]  unevictable:0 dirty:0 writeback:0 unstable:0
[  681.497322]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  681.497322]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  681.497322]  free:13722 free_pcp:438 free_cma:0
[  681.499709]  <IRQ>
[  681.509123] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  681.511695]  dump_stack+0x244/0x39d
[  681.544596] 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
[  681.546687]  ? dump_stack_print_info.cold.1+0x20/0x20
[  681.574148] lowmem_reserve[]: 0 2818 6321 6321
[  681.577789]  warn_alloc.cold.116+0xb7/0x1bd
[  681.604213] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  681.609435]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  681.613994] lowmem_reserve[]: 0 0 3503 3503
[  681.618316]  ? lock_downgrade+0x900/0x900
[  681.645638] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  681.650472]  ? trace_hardirqs_off+0xb8/0x310
[  681.654760] lowmem_reserve[]: 0 0 0 0
[  681.658903]  ? trace_hardirqs_off+0xb8/0x310
[  681.688216] 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
[  681.692614]  __alloc_pages_slowpath+0x2651/0x2de0
[  681.696396] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  681.700845]  ? warn_alloc+0x120/0x120
[  681.714299] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  681.719140]  ? warn_alloc+0x120/0x120
[  681.734223] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  681.738023]  ? __lock_acquire+0x62f/0x4c20
[  681.753517] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  681.757298]  ? warn_alloc+0x120/0x120
[  681.766109] 272 total pagecache pages
[  681.770347]  ? print_usage_bug+0xc0/0xc0
[  681.778900] 0 pages in swap cache
[  681.782691]  ? print_usage_bug+0xc0/0xc0
[  681.786461] Swap cache stats: add 0, delete 0, find 0/0
[  681.786468] Free swap  = 0kB
[  681.790533]  ? mark_held_locks+0x130/0x130
[  681.793970] Total swap = 0kB
[  681.798025]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  681.803368] 1965979 pages RAM
[  681.806377]  ? should_fail+0x22d/0xd01
[  681.810576] 0 pages HighMem/MovableOnly
[  681.810583] 342854 pages reserved
[  681.813590]  ? zap_class+0x640/0x640
[  681.819098] 0 pages cma reserved
[  681.822189]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.826105] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  681.830013]  ? __lock_acquire+0x62f/0x4c20
[  681.833532] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  681.837170]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  681.840577] rsyslogd cpuset=/ mems_allowed=0
[  681.845686]  ? should_fail+0x22d/0xd01
[  681.879840]  ? mark_held_locks+0x130/0x130
[  681.884105]  ? mark_held_locks+0x130/0x130
[  681.888372]  ? lock_downgrade+0x900/0x900
[  681.892528]  ? zap_class+0x640/0x640
[  681.896254]  ? zap_class+0x640/0x640
[  681.899967]  ? zap_class+0x640/0x640
[  681.903678]  ? do_raw_spin_unlock+0xa7/0x330
[  681.908085]  ? trace_hardirqs_on+0x310/0x310
[  681.912520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.918074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.923627]  ? check_preemption_disabled+0x48/0x280
[  681.928653]  ? __lock_is_held+0xb5/0x140
[  681.932720]  __alloc_pages_nodemask+0xad8/0xea0
[  681.937385]  ? zap_class+0x640/0x640
[  681.941114]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  681.946136]  ? find_held_lock+0x36/0x1c0
[  681.950205]  ? ____cache_alloc_node+0x1c7/0x1e0
[  681.954905]  ? lock_downgrade+0x900/0x900
[  681.959094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  681.964634]  cache_grow_begin+0xa5/0x8c0
[  681.968689]  ? do_raw_spin_unlock+0xa7/0x330
[  681.973150]  fallback_alloc+0x204/0x2e0
[  681.977145]  ____cache_alloc_node+0x1c7/0x1e0
[  681.981640]  kmem_cache_alloc_node+0xe3/0x730
[  681.986127]  ? lockdep_hardirqs_on+0x296/0x5b0
[  681.990716]  __alloc_skb+0x119/0x770
[  681.994430]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  681.999797]  ? netdev_alloc_frag+0x1f0/0x1f0
[  682.004218]  ? vprintk_default+0x28/0x30
[  682.008279]  ? vprintk_func+0x85/0x181
[  682.012184]  ? printk+0xa7/0xcf
[  682.015462]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  682.020237]  ? do_raw_spin_trylock+0x270/0x270
[  682.024821]  new_skb+0x26/0x1c0
[  682.028101]  aoecmd_cfg+0x279/0x7f0
[  682.031722]  ? find_held_lock+0x36/0x1c0
[  682.035798]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  682.040131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.045688]  ? __lock_is_held+0xb5/0x140
[  682.049787]  discover_timer+0x50/0x60
[  682.053579]  call_timer_fn+0x272/0x920
[  682.057480]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.062324]  ? process_timeout+0x40/0x40
[  682.066414]  ? __run_timers+0x7da/0xc70
[  682.070408]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.074919]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.079430]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.084291]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.088872]  ? trace_hardirqs_on+0xbd/0x310
[  682.093221]  ? kasan_check_read+0x11/0x20
[  682.097380]  ? __run_timers+0x7da/0xc70
[  682.101382]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.106506]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  682.111343]  __run_timers+0x7e5/0xc70
[  682.115195]  ? timer_fixup_init+0x70/0x70
[  682.119356]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  682.124364]  ? zap_class+0x640/0x640
[  682.128071]  ? enqueue_hrtimer+0x1a5/0x560
[  682.132297]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  682.137505]  ? find_held_lock+0x36/0x1c0
[  682.141586]  ? zap_class+0x640/0x640
[  682.145335]  ? pvclock_read_flags+0x160/0x160
[  682.149828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.155361]  ? check_preemption_disabled+0x48/0x280
[  682.160378]  ? __lock_is_held+0xb5/0x140
[  682.164474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.170033]  ? check_preemption_disabled+0x48/0x280
[  682.175078]  run_timer_softirq+0x52/0xb0
[  682.179166]  ? rcu_read_lock_sched_held+0x14f/0x180
[  682.184179]  __do_softirq+0x308/0xb7e
[  682.187977]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  682.192466]  ? lock_downgrade+0x900/0x900
[  682.196628]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  682.201812]  ? pvclock_read_flags+0x160/0x160
[  682.206320]  ? lapic_next_event+0x5a/0x90
[  682.210498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.216067]  ? kvm_clock_read+0x18/0x30
[  682.220038]  ? kvm_sched_clock_read+0x9/0x20
[  682.224462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.229998]  ? check_preemption_disabled+0x48/0x280
[  682.235015]  irq_exit+0x17f/0x1c0
[  682.238478]  smp_apic_timer_interrupt+0x1cb/0x760
[  682.243311]  ? smp_reschedule_interrupt+0x109/0x650
[  682.248321]  ? smp_call_function_single_interrupt+0x650/0x650
[  682.254205]  ? interrupt_entry+0xb5/0xc0
[  682.258265]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.263283]  ? trace_hardirqs_off_caller+0xbb/0x310
[  682.268316]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.273159]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.278191]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.283256]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.288138]  apic_timer_interrupt+0xf/0x20
[  682.292378]  </IRQ>
[  682.294628] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  682.299550] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  682.318446] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  682.326148] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  682.333411] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  682.340694] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  682.347974] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  682.355241] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  682.362542]  skb_clone+0x1bb/0x500
[  682.366095]  ? finish_task_switch+0x2f4/0x910
[  682.370590]  ? skb_split+0x11e0/0x11e0
[  682.374508]  ? preempt_notifier_register+0x200/0x200
[  682.379606]  ? __switch_to_asm+0x34/0x70
[  682.383664]  ? __switch_to_asm+0x34/0x70
[  682.387734]  ? __switch_to_asm+0x40/0x70
[  682.391807]  ? __switch_to_asm+0x34/0x70
[  682.395861]  ? __switch_to_asm+0x40/0x70
[  682.399968]  ? __switch_to_asm+0x34/0x70
[  682.404029]  ? __switch_to_asm+0x40/0x70
[  682.408097]  ? __switch_to_asm+0x34/0x70
[  682.412153]  ? __switch_to_asm+0x34/0x70
[  682.416206]  ? __switch_to_asm+0x40/0x70
[  682.420260]  ? __switch_to_asm+0x34/0x70
[  682.424333]  bpf_clone_redirect+0xb9/0x490
[  682.428564]  ? __schedule+0x8d7/0x21d0
[  682.432495]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  682.437511]  ? __sched_text_start+0x8/0x8
[  682.441664]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  682.446242]  ? retint_kernel+0x2d/0x2d
[  682.450126]  ? trace_hardirqs_on_caller+0xc0/0x310
[  682.455074]  ? find_held_lock+0x36/0x1c0
[  682.459159]  ? lock_acquire+0x1ed/0x520
[  682.463133]  ? bpf_test_run+0x3ee/0x7a0
[  682.467123]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.472659]  ? check_preemption_disabled+0x48/0x280
[  682.477676]  ? kasan_check_read+0x11/0x20
[  682.481822]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.487102]  ? rcu_softirq_qs+0x20/0x20
[  682.491090]  ? preempt_schedule+0x4d/0x60
[  682.495244]  ? ___preempt_schedule+0x16/0x18
[  682.499660]  ? bpf_test_run+0x271/0x7a0
[  682.503638]  ? netlink_diag_dump+0x2a0/0x2a0
[  682.508044]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.513588]  ? bpf_test_init.isra.10+0x70/0x100
[  682.518269]  ? bpf_prog_test_run_skb+0x762/0xd60
[  682.523044]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.527884]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  682.533429]  ? fput+0x130/0x1a0
[  682.536725]  ? __bpf_prog_get+0x9b/0x290
[  682.540785]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  682.545640]  ? bpf_prog_test_run+0x130/0x1a0
[  682.550060]  ? __x64_sys_bpf+0x3d8/0x520
[  682.554115]  ? bpf_prog_get+0x20/0x20
[  682.557931]  ? do_syscall_64+0x1b9/0x820
[  682.561995]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  682.567356]  ? syscall_return_slowpath+0x5e0/0x5e0
[  682.572277]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.577116]  ? trace_hardirqs_on_caller+0x310/0x310
[  682.582143]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  682.587168]  ? prepare_exit_to_usermode+0x291/0x3b0
[  682.592200]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  682.597047]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  682.602468] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  682.602534] aoe: skb alloc failure
[  682.609239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  682.609246] Call Trace:
[  682.612848] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  682.622178]  <IRQ>
[  682.624760] syz-executor4 cpuset=syz4 mems_allowed=0
[  682.635232]  dump_stack+0x244/0x39d
[  682.646067]  ? dump_stack_print_info.cold.1+0x20/0x20
[  682.651307]  warn_alloc.cold.116+0xb7/0x1bd
[  682.655631]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  682.660484]  ? lock_downgrade+0x900/0x900
[  682.664651]  ? trace_hardirqs_off+0xb8/0x310
[  682.669059]  ? trace_hardirqs_off+0xb8/0x310
[  682.673467]  __alloc_pages_slowpath+0x2651/0x2de0
[  682.678331]  ? warn_alloc+0x120/0x120
[  682.682127]  ? print_usage_bug+0xc0/0xc0
[  682.686184]  ? warn_alloc+0x120/0x120
[  682.689995]  ? warn_alloc+0x120/0x120
[  682.693794]  ? print_usage_bug+0xc0/0xc0
[  682.697856]  ? kvm_clock_read+0x18/0x30
[  682.701825]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  682.706854]  ? print_usage_bug+0xc0/0xc0
[  682.710912]  ? __lock_acquire+0x62f/0x4c20
[  682.715178]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  682.720729]  ? should_fail+0x22d/0xd01
[  682.724617]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.729893]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.734990]  ? __lock_acquire+0x62f/0x4c20
[  682.739217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  682.744310]  ? __lock_acquire+0x62f/0x4c20
[  682.748535]  ? should_fail+0x22d/0xd01
[  682.752414]  ? rcu_irq_exit+0x1a2/0x390
[  682.756397]  ? mark_held_locks+0x130/0x130
[  682.760633]  ? mark_held_locks+0x130/0x130
[  682.764897]  ? mark_held_locks+0xc7/0x130
[  682.769056]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  682.774067]  ? zap_class+0x640/0x640
[  682.777777]  ? print_usage_bug+0xc0/0xc0
[  682.781839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.787375]  ? check_preemption_disabled+0x48/0x280
[  682.792404]  ? __lock_is_held+0xb5/0x140
[  682.796491]  __alloc_pages_nodemask+0xad8/0xea0
[  682.801172]  ? zap_class+0x640/0x640
[  682.804887]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  682.809911]  ? find_held_lock+0x36/0x1c0
[  682.813979]  ? ____cache_alloc_node+0x1c7/0x1e0
[  682.818647]  ? lock_downgrade+0x900/0x900
[  682.822799]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.828369]  cache_grow_begin+0xa5/0x8c0
[  682.832431]  ? do_raw_spin_unlock+0xa7/0x330
[  682.836876]  fallback_alloc+0x204/0x2e0
[  682.840863]  ____cache_alloc_node+0x1c7/0x1e0
[  682.845374]  kmem_cache_alloc_node+0xe3/0x730
[  682.849890]  ? ipv6_get_ifaddr+0x42e/0x620
[  682.854129]  __alloc_skb+0x119/0x770
[  682.857848]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  682.863139]  ? netdev_alloc_frag+0x1f0/0x1f0
[  682.867588]  ? lock_downgrade+0x900/0x900
[  682.871782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  682.877320]  ? refcount_sub_and_test_checked+0x203/0x310
[  682.882771]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  682.888223]  ? addrconf_rs_timer+0x690/0x690
[  682.892642]  ndisc_alloc_skb+0x144/0x340
[  682.896707]  ndisc_send_rs+0x331/0x6e0
[  682.900599]  addrconf_rs_timer+0x314/0x690
[  682.905334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.909584]  call_timer_fn+0x272/0x920
[  682.913484]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.917716]  ? process_timeout+0x40/0x40
[  682.921780]  ? mark_held_locks+0xc7/0x130
[  682.925956]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.930461]  ? _raw_spin_unlock_irq+0x27/0x80
[  682.935125]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.939370]  ? lockdep_hardirqs_on+0x296/0x5b0
[  682.943970]  ? trace_hardirqs_on+0xbd/0x310
[  682.948295]  ? kasan_check_read+0x11/0x20
[  682.952460]  ? __run_timers+0x7da/0xc70
[  682.956442]  ? trace_hardirqs_off_caller+0x310/0x310
[  682.961587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  682.965829]  __run_timers+0x7e5/0xc70
[  682.969641]  ? timer_fixup_init+0x70/0x70
[  682.973784]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  682.978796]  ? zap_class+0x640/0x640
[  682.982516]  ? print_usage_bug+0xc0/0xc0
[  682.986575]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  682.991764]  ? find_held_lock+0x36/0x1c0
[  682.995843]  ? zap_class+0x640/0x640
[  682.999585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.005122]  ? check_preemption_disabled+0x48/0x280
[  683.010150]  ? __lock_is_held+0xb5/0x140
[  683.014215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.019753]  ? check_preemption_disabled+0x48/0x280
[  683.024773]  run_timer_softirq+0x52/0xb0
[  683.028839]  ? rcu_read_lock_sched_held+0x14f/0x180
[  683.033854]  __do_softirq+0x308/0xb7e
[  683.037650]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  683.042152]  ? lock_downgrade+0x900/0x900
[  683.046328]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  683.051465]  ? pvclock_read_flags+0x160/0x160
[  683.055989]  ? lapic_next_event+0x5a/0x90
[  683.060127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.065663]  ? kvm_clock_read+0x18/0x30
[  683.069646]  ? kvm_sched_clock_read+0x9/0x20
[  683.074048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.079591]  ? check_preemption_disabled+0x48/0x280
[  683.084609]  irq_exit+0x17f/0x1c0
[  683.088054]  smp_apic_timer_interrupt+0x1cb/0x760
[  683.092887]  ? smp_call_function_single_interrupt+0x650/0x650
[  683.098778]  ? interrupt_entry+0xb5/0xc0
[  683.102863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.107888]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.112918]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.117761]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.122781]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.127812]  ? task_prio+0x50/0x50
[  683.131346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.136892]  ? check_preemption_disabled+0x48/0x280
[  683.141907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.146769]  apic_timer_interrupt+0xf/0x20
[  683.151023]  </IRQ>
[  683.153295] RIP: 0010:dump_stack+0x358/0x39d
[  683.157715] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  683.176644] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  683.184374] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  683.191633] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  683.198912] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  683.206173] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  683.213453] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  683.220746]  ? dump_stack+0x34f/0x39d
[  683.224558]  ? dump_stack_print_info.cold.1+0x20/0x20
[  683.229763]  ? mark_held_locks+0x130/0x130
[  683.233992]  ? mark_held_locks+0x130/0x130
[  683.238225]  dump_header+0x27b/0xf72
[  683.241943]  ? pagefault_out_of_memory+0x197/0x197
[  683.246877]  ? __lock_acquire+0x62f/0x4c20
[  683.251159]  ? percpu_ref_get_many+0x240/0x240
[  683.255760]  ? print_usage_bug+0xc0/0xc0
[  683.259832]  ? zap_class+0x640/0x640
[  683.263550]  ? print_usage_bug+0xc0/0xc0
[  683.267608]  ? print_usage_bug+0xc0/0xc0
[  683.271668]  ? zap_class+0x640/0x640
[  683.275387]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.280926]  ? find_held_lock+0x36/0x1c0
[  683.285001]  ? mark_held_locks+0xc7/0x130
[  683.289212]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.294319]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  683.299444]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  683.304044]  ? trace_hardirqs_on+0xbd/0x310
[  683.308367]  ? kasan_check_read+0x11/0x20
[  683.312514]  ? ___ratelimit+0x3b4/0x672
[  683.316490]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.321597]  ? trace_hardirqs_on+0x310/0x310
[  683.326010]  ? lock_downgrade+0x900/0x900
[  683.330299]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  683.335542]  ? ___ratelimit+0x3b9/0x672
[  683.339521]  ? idr_get_free+0xf70/0xf70
[  683.343497]  ? find_held_lock+0x36/0x1c0
[  683.347568]  oom_kill_process.cold.27+0x10/0x903
[  683.352343]  ? zap_class+0x640/0x640
[  683.356066]  ? check_preemption_disabled+0x48/0x280
[  683.361117]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.366076]  ? kasan_check_read+0x11/0x20
[  683.370227]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.375517]  ? oom_evaluate_task+0x540/0x540
[  683.379922]  ? find_held_lock+0x36/0x1c0
[  683.383982]  ? out_of_memory+0x974/0x1430
[  683.388127]  ? lock_downgrade+0x900/0x900
[  683.392273]  ? check_preemption_disabled+0x48/0x280
[  683.397293]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.402227]  ? kasan_check_read+0x11/0x20
[  683.406374]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.411646]  ? rcu_softirq_qs+0x20/0x20
[  683.415624]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.421171]  ? oom_evaluate_task+0x302/0x540
[  683.425580]  out_of_memory+0xa84/0x1430
[  683.429570]  ? oom_killer_disable+0x3a0/0x3a0
[  683.434057]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  683.438998]  ? __ww_mutex_check_waiters+0x160/0x160
[  683.444050]  __alloc_pages_slowpath+0x232c/0x2de0
[  683.448929]  ? warn_alloc+0x120/0x120
[  683.452725]  ? mark_held_locks+0x130/0x130
[  683.457010]  ? find_get_entry+0xaae/0x1120
[  683.461271]  ? filemap_map_pages+0x1a20/0x1a20
[  683.465858]  ? zap_class+0x640/0x640
[  683.469572]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  683.475105]  ? check_preemption_disabled+0x48/0x280
[  683.480116]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.485684]  ? should_fail+0x22d/0xd01
[  683.489622]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  683.494769]  ? zap_class+0x640/0x640
[  683.498553]  ? __lock_is_held+0xb5/0x140
[  683.502618]  ? mark_held_locks+0x130/0x130
[  683.506856]  ? lock_release+0xa00/0xa00
[  683.510829]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.516279]  ? xa_load+0x2ba/0x460
[  683.519817]  ? lock_downgrade+0x900/0x900
[  683.523983]  ? __might_sleep+0x95/0x190
[  683.528003]  __alloc_pages_nodemask+0xad8/0xea0
[  683.532674]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  683.537690]  ? __page_cache_alloc+0x191/0x5c0
[  683.542179]  ? xa_load+0x2e1/0x460
[  683.545717]  ? xa_clear_mark+0x40/0x40
[  683.549599]  ? zap_class+0x640/0x640
[  683.553316]  ? zap_class+0x640/0x640
[  683.557041]  ? zap_class+0x640/0x640
[  683.560751]  ? __do_page_cache_readahead+0x663/0x810
[  683.565857]  ? find_held_lock+0x36/0x1c0
[  683.569916]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  683.575464]  alloc_pages_current+0x173/0x350
[  683.579874]  __page_cache_alloc+0x38c/0x5c0
[  683.584208]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.589142]  ? kasan_check_read+0x11/0x20
[  683.593287]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.598576]  ? generic_perform_write+0x6a0/0x6a0
[  683.603331]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.608883]  ? check_preemption_disabled+0x48/0x280
[  683.613902]  filemap_fault+0x1595/0x25f0
[  683.617979]  ? __lock_page_or_retry+0xa00/0xa00
[  683.622643]  ? mark_held_locks+0x130/0x130
[  683.626909]  ? filemap_map_pages+0xd6b/0x1a20
[  683.631412]  ? lock_downgrade+0x900/0x900
[  683.635569]  ? check_preemption_disabled+0x48/0x280
[  683.640602]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.645666]  ? kasan_check_read+0x11/0x20
[  683.649823]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.655108]  ? rcu_softirq_qs+0x20/0x20
[  683.659095]  ? filemap_map_pages+0xd92/0x1a20
[  683.663612]  ? find_get_entries_tag+0x1400/0x1400
[  683.668470]  ? __kernel_text_address+0xd/0x40
[  683.672968]  ? unwind_get_return_address+0x61/0xa0
[  683.677916]  ? lock_acquire+0x1ed/0x520
[  683.681890]  ? ext4_filemap_fault+0x7a/0xad
[  683.686266]  ? lock_release+0xa00/0xa00
[  683.690248]  ? perf_trace_sched_process_exec+0x860/0x860
[  683.695710]  ? print_usage_bug+0xc0/0xc0
[  683.699773]  ? print_usage_bug+0xc0/0xc0
[  683.703836]  ? __x64_sys_read+0x73/0xb0
[  683.707814]  ? print_usage_bug+0xc0/0xc0
[  683.711888]  ? down_read+0x8d/0x120
[  683.715609]  ? ext4_filemap_fault+0x7a/0xad
[  683.719933]  ? __down_interruptible+0x700/0x700
[  683.724619]  ext4_filemap_fault+0x82/0xad
[  683.728769]  __do_fault+0x100/0x6b0
[  683.732398]  ? trace_hardirqs_on+0xbd/0x310
[  683.736732]  ? pmd_devmap_trans_unstable+0x220/0x220
[  683.741841]  ? mark_held_locks+0x130/0x130
[  683.746078]  ? mark_held_locks+0x130/0x130
[  683.750315]  ? do_syslog+0x147b/0x1690
[  683.754207]  ? do_syslog+0x309/0x1690
[  683.758006]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.763558]  __handle_mm_fault+0x3ea0/0x5be0
[  683.767977]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  683.772836]  ? find_held_lock+0x36/0x1c0
[  683.777071]  ? zap_class+0x640/0x640
[  683.780787]  ? zap_class+0x640/0x640
[  683.784509]  ? find_held_lock+0x36/0x1c0
[  683.788581]  ? handle_mm_fault+0x42a/0xc70
[  683.792814]  ? lock_downgrade+0x900/0x900
[  683.796977]  ? check_preemption_disabled+0x48/0x280
[  683.802012]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  683.806951]  ? kasan_check_read+0x11/0x20
[  683.811101]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  683.816380]  ? rcu_softirq_qs+0x20/0x20
[  683.820364]  ? trace_hardirqs_off_caller+0x310/0x310
[  683.825488]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  683.831020]  ? check_preemption_disabled+0x48/0x280
[  683.836038]  handle_mm_fault+0x54f/0xc70
[  683.840100]  ? __handle_mm_fault+0x5be0/0x5be0
[  683.844687]  ? find_vma+0x34/0x190
[  683.848232]  __do_page_fault+0x5e8/0xe60
[  683.852305]  ? trace_hardirqs_off+0xb8/0x310
[  683.856706]  ? kernel_write+0x120/0x120
[  683.860719]  do_page_fault+0xf2/0x7e0
[  683.864532]  ? vmalloc_sync_all+0x30/0x30
[  683.868682]  ? error_entry+0x70/0xd0
[  683.872393]  ? trace_hardirqs_off_caller+0xbb/0x310
[  683.877411]  ? trace_hardirqs_on_caller+0xc0/0x310
[  683.882380]  ? syscall_return_slowpath+0x5e0/0x5e0
[  683.887308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.892150]  ? trace_hardirqs_on_caller+0x310/0x310
[  683.897161]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  683.902629]  ? prepare_exit_to_usermode+0x291/0x3b0
[  683.907657]  ? page_fault+0x8/0x30
[  683.911198]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  683.916055]  ? page_fault+0x8/0x30
[  683.919600]  page_fault+0x1e/0x30
[  683.923049] RIP: 0033:0x7fe9f4ff21fd
[  683.926801] Code: Bad RIP value.
[  683.930162] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  683.935520] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  683.942785] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  683.950066] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  683.957346] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  683.964615] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  683.971906] warn_alloc_show_mem: 1 callbacks suppressed
[  683.971918] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  683.971920] Mem-Info:
[  683.971949] active_anon:43385 inactive_anon:190 isolated_anon:0
[  683.971949]  active_file:9 inactive_file:19 isolated_file:0
[  683.971949]  unevictable:0 dirty:0 writeback:0 unstable:0
[  683.971949]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  683.971949]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  683.971949]  free:13722 free_pcp:438 free_cma:0
[  683.977281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  683.977289] Call Trace:
[  683.984392] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  683.986783]  <IRQ>
[  684.019569] 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
[  684.028952]  dump_stack+0x244/0x39d
[  684.031517] lowmem_reserve[]: 0 2818 6321 6321
[  684.059010]  ? dump_stack_print_info.cold.1+0x20/0x20
[  684.061132] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  684.087243]  warn_alloc.cold.116+0xb7/0x1bd
[  684.090837] lowmem_reserve[]: 0 0 3503 3503
[  684.095411]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  684.100584] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  684.127899]  ? lock_downgrade+0x900/0x900
[  684.132190] lowmem_reserve[]: 0 0 0 0
[  684.136504]  ? trace_hardirqs_off+0xb8/0x310
[  684.141312] 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
[  684.170275]  ? trace_hardirqs_off+0xb8/0x310
[  684.174408] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  684.178211]  __alloc_pages_slowpath+0x2651/0x2de0
[  684.182588] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  684.196143]  ? warn_alloc+0x120/0x120
[  684.200510] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  684.215489]  ? warn_alloc+0x120/0x120
[  684.220323] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  684.235853]  ? warn_alloc+0x120/0x120
[  684.239626] 272 total pagecache pages
[  684.248467]  ? print_usage_bug+0xc0/0xc0
[  684.252258] 0 pages in swap cache
[  684.260817]  ? print_usage_bug+0xc0/0xc0
[  684.264593] Swap cache stats: add 0, delete 0, find 0/0
[  684.268376]  ? ktime_get+0x2c1/0x400
[  684.272408] Free swap  = 0kB
[  684.275857]  ? check_preemption_disabled+0x48/0x280
[  684.279891] Total swap = 0kB
[  684.285254]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.288939] 1965979 pages RAM
[  684.291943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.296947] 0 pages HighMem/MovableOnly
[  684.296954] 342854 pages reserved
[  684.299992]  ? should_fail+0x22d/0xd01
[  684.304474] 0 pages cma reserved
[  684.307584]  ? kasan_check_read+0x11/0x20
[  684.313168] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  684.317066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.320546] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  684.324370]  ? __lock_acquire+0x62f/0x4c20
[  684.327832] rsyslogd cpuset=/ mems_allowed=0
[  684.331971]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  684.367273]  ? should_fail+0x22d/0xd01
[  684.371191]  ? print_usage_bug+0xc0/0xc0
[  684.375259]  ? mark_held_locks+0x130/0x130
[  684.379524]  ? mark_held_locks+0x130/0x130
[  684.383781]  ? check_preemption_disabled+0x48/0x280
[  684.388805]  ? zap_class+0x640/0x640
[  684.392536]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  684.397323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.402876]  ? check_preemption_disabled+0x48/0x280
[  684.407919]  ? __lock_is_held+0xb5/0x140
[  684.411985]  __alloc_pages_nodemask+0xad8/0xea0
[  684.416655]  ? zap_class+0x640/0x640
[  684.420379]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  684.425409]  ? find_held_lock+0x36/0x1c0
[  684.429488]  ? ____cache_alloc_node+0x1c7/0x1e0
[  684.434156]  ? lock_downgrade+0x900/0x900
[  684.438324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.443871]  cache_grow_begin+0xa5/0x8c0
[  684.447934]  ? do_raw_spin_unlock+0xa7/0x330
[  684.452387]  fallback_alloc+0x204/0x2e0
[  684.456367]  ____cache_alloc_node+0x1c7/0x1e0
[  684.460868]  kmem_cache_alloc_node+0xe3/0x730
[  684.465368]  ? lockdep_hardirqs_on+0x296/0x5b0
[  684.469961]  __alloc_skb+0x119/0x770
[  684.473680]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  684.479053]  ? netdev_alloc_frag+0x1f0/0x1f0
[  684.483472]  ? vprintk_default+0x28/0x30
[  684.487532]  ? vprintk_func+0x85/0x181
[  684.491417]  ? printk+0xa7/0xcf
[  684.494729]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  684.499486]  ? do_raw_spin_trylock+0x270/0x270
[  684.504071]  new_skb+0x26/0x1c0
[  684.507382]  aoecmd_cfg+0x279/0x7f0
[  684.511023]  ? find_held_lock+0x36/0x1c0
[  684.515099]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  684.519430]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.525007]  ? __lock_is_held+0xb5/0x140
[  684.529092]  discover_timer+0x50/0x60
[  684.532892]  call_timer_fn+0x272/0x920
[  684.536827]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.541674]  ? process_timeout+0x40/0x40
[  684.545752]  ? __run_timers+0x7da/0xc70
[  684.549754]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.554252]  ? _raw_spin_unlock_irq+0x27/0x80
[  684.558743]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.563593]  ? lockdep_hardirqs_on+0x296/0x5b0
[  684.568195]  ? trace_hardirqs_on+0xbd/0x310
[  684.572520]  ? kasan_check_read+0x11/0x20
[  684.576666]  ? __run_timers+0x7da/0xc70
[  684.580639]  ? trace_hardirqs_off_caller+0x310/0x310
[  684.585753]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  684.590599]  __run_timers+0x7e5/0xc70
[  684.594415]  ? timer_fixup_init+0x70/0x70
[  684.598573]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  684.603587]  ? zap_class+0x640/0x640
[  684.607300]  ? enqueue_hrtimer+0x1a5/0x560
[  684.611542]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  684.616747]  ? find_held_lock+0x36/0x1c0
[  684.620809]  ? zap_class+0x640/0x640
[  684.624524]  ? pvclock_read_flags+0x160/0x160
[  684.629015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.634549]  ? check_preemption_disabled+0x48/0x280
[  684.639579]  ? __lock_is_held+0xb5/0x140
[  684.643645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.649183]  ? check_preemption_disabled+0x48/0x280
[  684.654248]  run_timer_softirq+0x52/0xb0
[  684.658327]  ? rcu_read_lock_sched_held+0x14f/0x180
[  684.663348]  __do_softirq+0x308/0xb7e
[  684.667152]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  684.671646]  ? lock_downgrade+0x900/0x900
[  684.675799]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  684.680904]  ? pvclock_read_flags+0x160/0x160
[  684.685399]  ? lapic_next_event+0x5a/0x90
[  684.689585]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.695126]  ? kvm_clock_read+0x18/0x30
[  684.699098]  ? kvm_sched_clock_read+0x9/0x20
[  684.703527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.709064]  ? check_preemption_disabled+0x48/0x280
[  684.714118]  irq_exit+0x17f/0x1c0
[  684.717577]  smp_apic_timer_interrupt+0x1cb/0x760
[  684.722417]  ? smp_reschedule_interrupt+0x109/0x650
[  684.727471]  ? smp_call_function_single_interrupt+0x650/0x650
[  684.733478]  ? interrupt_entry+0xb5/0xc0
[  684.737544]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.742572]  ? trace_hardirqs_off_caller+0xbb/0x310
[  684.747608]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.752476]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.757499]  ? trace_hardirqs_on_caller+0x310/0x310
[  684.762529]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  684.767377]  apic_timer_interrupt+0xf/0x20
[  684.771605]  </IRQ>
[  684.773840] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  684.778769] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  684.797673] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  684.805393] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  684.812664] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  684.819925] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  684.827188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  684.834451] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  684.841787]  skb_clone+0x1bb/0x500
[  684.845330]  ? finish_task_switch+0x2f4/0x910
[  684.849826]  ? skb_split+0x11e0/0x11e0
[  684.853746]  ? preempt_notifier_register+0x200/0x200
[  684.858850]  ? __switch_to_asm+0x34/0x70
[  684.862909]  ? __switch_to_asm+0x34/0x70
[  684.866970]  ? __switch_to_asm+0x40/0x70
[  684.871027]  ? __switch_to_asm+0x34/0x70
[  684.875102]  ? __switch_to_asm+0x40/0x70
[  684.879174]  ? __switch_to_asm+0x34/0x70
[  684.883231]  ? __switch_to_asm+0x40/0x70
[  684.887291]  ? __switch_to_asm+0x34/0x70
[  684.891371]  ? __switch_to_asm+0x34/0x70
[  684.895436]  ? __switch_to_asm+0x40/0x70
[  684.899529]  ? __switch_to_asm+0x34/0x70
[  684.903591]  bpf_clone_redirect+0xb9/0x490
[  684.907829]  ? __schedule+0x8d7/0x21d0
[  684.911719]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  684.916734]  ? __sched_text_start+0x8/0x8
[  684.920882]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  684.925466]  ? retint_kernel+0x2d/0x2d
[  684.929356]  ? trace_hardirqs_on_caller+0xc0/0x310
[  684.934285]  ? find_held_lock+0x36/0x1c0
[  684.938351]  ? lock_acquire+0x1ed/0x520
[  684.942325]  ? bpf_test_run+0x3ee/0x7a0
[  684.946332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  684.951869]  ? check_preemption_disabled+0x48/0x280
[  684.956899]  ? kasan_check_read+0x11/0x20
[  684.961044]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  684.966315]  ? rcu_softirq_qs+0x20/0x20
[  684.970288]  ? preempt_schedule+0x4d/0x60
[  684.974447]  ? ___preempt_schedule+0x16/0x18
[  684.978861]  ? bpf_test_run+0x271/0x7a0
[  684.982864]  ? netlink_diag_dump+0x2a0/0x2a0
[  684.987287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  684.992826]  ? bpf_test_init.isra.10+0x70/0x100
[  684.997523]  ? bpf_prog_test_run_skb+0x762/0xd60
[  685.002285]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  685.007138]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  685.012691]  ? fput+0x130/0x1a0
[  685.015979]  ? __bpf_prog_get+0x9b/0x290
[  685.020040]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  685.024883]  ? bpf_prog_test_run+0x130/0x1a0
[  685.029311]  ? __x64_sys_bpf+0x3d8/0x520
[  685.033374]  ? bpf_prog_get+0x20/0x20
[  685.037198]  ? do_syscall_64+0x1b9/0x820
[  685.041260]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  685.046625]  ? syscall_return_slowpath+0x5e0/0x5e0
[  685.051555]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.056398]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.061432]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  685.066456]  ? prepare_exit_to_usermode+0x291/0x3b0
[  685.071476]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.076328]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  685.081722] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  685.081815] aoe: skb alloc failure
[  685.088500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  685.088509] Call Trace:
[  685.092092] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  685.101378]  <IRQ>
[  685.103948] syz-executor4 cpuset=syz4 mems_allowed=0
[  685.114435]  dump_stack+0x244/0x39d
[  685.125283]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.130512]  warn_alloc.cold.116+0xb7/0x1bd
[  685.134866]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  685.139715]  ? lock_downgrade+0x900/0x900
[  685.143879]  ? trace_hardirqs_off+0xb8/0x310
[  685.148300]  ? trace_hardirqs_off+0xb8/0x310
[  685.152730]  __alloc_pages_slowpath+0x2651/0x2de0
[  685.157612]  ? warn_alloc+0x120/0x120
[  685.161433]  ? print_usage_bug+0xc0/0xc0
[  685.165542]  ? warn_alloc+0x120/0x120
[  685.169398]  ? warn_alloc+0x120/0x120
[  685.173220]  ? print_usage_bug+0xc0/0xc0
[  685.177313]  ? print_usage_bug+0xc0/0xc0
[  685.181376]  ? __lock_acquire+0x62f/0x4c20
[  685.185633]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.191166]  ? should_fail+0x22d/0xd01
[  685.195052]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.200166]  ? __lock_acquire+0x62f/0x4c20
[  685.204440]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.209540]  ? __lock_acquire+0x62f/0x4c20
[  685.213772]  ? should_fail+0x22d/0xd01
[  685.217660]  ? find_held_lock+0x36/0x1c0
[  685.221756]  ? mark_held_locks+0x130/0x130
[  685.225991]  ? mark_held_locks+0x130/0x130
[  685.230221]  ? zap_class+0x640/0x640
[  685.233934]  ? zap_class+0x640/0x640
[  685.237668]  ? print_usage_bug+0xc0/0xc0
[  685.241739]  ? do_raw_spin_unlock+0xa7/0x330
[  685.246154]  ? zap_class+0x640/0x640
[  685.249908]  ? print_usage_bug+0xc0/0xc0
[  685.253998]  ? wq_watchdog_touch+0x9c/0xfe
[  685.258234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.263768]  ? check_preemption_disabled+0x48/0x280
[  685.268791]  ? __lock_is_held+0xb5/0x140
[  685.272859]  __alloc_pages_nodemask+0xad8/0xea0
[  685.277526]  ? zap_class+0x640/0x640
[  685.281248]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  685.286288]  ? find_held_lock+0x36/0x1c0
[  685.290362]  ? ____cache_alloc_node+0x1c7/0x1e0
[  685.295030]  ? lock_downgrade+0x900/0x900
[  685.299187]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.304741]  cache_grow_begin+0xa5/0x8c0
[  685.308805]  ? do_raw_spin_unlock+0xa7/0x330
[  685.313216]  fallback_alloc+0x204/0x2e0
[  685.317236]  ____cache_alloc_node+0x1c7/0x1e0
[  685.321769]  kmem_cache_alloc_node+0xe3/0x730
[  685.326616]  ? ipv6_get_ifaddr+0x42e/0x620
[  685.330869]  __alloc_skb+0x119/0x770
[  685.334586]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.339865]  ? netdev_alloc_frag+0x1f0/0x1f0
[  685.344270]  ? lock_downgrade+0x900/0x900
[  685.348434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.354360]  ? refcount_sub_and_test_checked+0x203/0x310
[  685.359816]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  685.365268]  ? addrconf_rs_timer+0x690/0x690
[  685.369691]  ndisc_alloc_skb+0x144/0x340
[  685.373770]  ndisc_send_rs+0x331/0x6e0
[  685.377663]  addrconf_rs_timer+0x314/0x690
[  685.381921]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.386169]  call_timer_fn+0x272/0x920
[  685.390056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.394304]  ? process_timeout+0x40/0x40
[  685.398376]  ? mark_held_locks+0xc7/0x130
[  685.402696]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.407258]  ? _raw_spin_unlock_irq+0x27/0x80
[  685.411767]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.416017]  ? lockdep_hardirqs_on+0x296/0x5b0
[  685.420598]  ? trace_hardirqs_on+0xbd/0x310
[  685.424932]  ? kasan_check_read+0x11/0x20
[  685.429108]  ? __run_timers+0x7da/0xc70
[  685.433116]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.438223]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.442460]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  685.446692]  __run_timers+0x7e5/0xc70
[  685.450511]  ? timer_fixup_init+0x70/0x70
[  685.454656]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  685.459668]  ? zap_class+0x640/0x640
[  685.463402]  ? print_usage_bug+0xc0/0xc0
[  685.467474]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  685.472669]  ? find_held_lock+0x36/0x1c0
[  685.476737]  ? zap_class+0x640/0x640
[  685.480463]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.486003]  ? check_preemption_disabled+0x48/0x280
[  685.491028]  ? __lock_is_held+0xb5/0x140
[  685.495116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.500650]  ? check_preemption_disabled+0x48/0x280
[  685.505671]  run_timer_softirq+0x52/0xb0
[  685.509731]  ? rcu_read_lock_sched_held+0x14f/0x180
[  685.514751]  __do_softirq+0x308/0xb7e
[  685.518567]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  685.523075]  ? lock_downgrade+0x900/0x900
[  685.527229]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  685.532342]  ? pvclock_read_flags+0x160/0x160
[  685.536835]  ? lapic_next_event+0x5a/0x90
[  685.540995]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.546567]  ? kvm_clock_read+0x18/0x30
[  685.550540]  ? kvm_sched_clock_read+0x9/0x20
[  685.554950]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.560488]  ? check_preemption_disabled+0x48/0x280
[  685.565525]  irq_exit+0x17f/0x1c0
[  685.568983]  smp_apic_timer_interrupt+0x1cb/0x760
[  685.573844]  ? smp_call_function_single_interrupt+0x650/0x650
[  685.579729]  ? interrupt_entry+0xb5/0xc0
[  685.583794]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.588809]  ? trace_hardirqs_off_caller+0xbb/0x310
[  685.593860]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.598704]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.603720]  ? trace_hardirqs_on_caller+0x310/0x310
[  685.608740]  ? task_prio+0x50/0x50
[  685.612282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.617846]  ? check_preemption_disabled+0x48/0x280
[  685.622877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  685.627730]  apic_timer_interrupt+0xf/0x20
[  685.631958]  </IRQ>
[  685.634195] RIP: 0010:dump_stack+0x358/0x39d
[  685.638604] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  685.657504] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  685.665210] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  685.672477] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  685.679742] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  685.687007] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  685.694272] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  685.701565]  ? dump_stack+0x34f/0x39d
[  685.705381]  ? dump_stack_print_info.cold.1+0x20/0x20
[  685.710600]  ? mark_held_locks+0x130/0x130
[  685.714834]  ? mark_held_locks+0x130/0x130
[  685.719069]  dump_header+0x27b/0xf72
[  685.722820]  ? pagefault_out_of_memory+0x197/0x197
[  685.727750]  ? __lock_acquire+0x62f/0x4c20
[  685.731981]  ? percpu_ref_get_many+0x240/0x240
[  685.736558]  ? print_usage_bug+0xc0/0xc0
[  685.740621]  ? zap_class+0x640/0x640
[  685.744332]  ? print_usage_bug+0xc0/0xc0
[  685.748402]  ? print_usage_bug+0xc0/0xc0
[  685.752491]  ? zap_class+0x640/0x640
[  685.756222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.761762]  ? find_held_lock+0x36/0x1c0
[  685.765827]  ? mark_held_locks+0xc7/0x130
[  685.769991]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.775224]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  685.780327]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  685.784928]  ? trace_hardirqs_on+0xbd/0x310
[  685.789300]  ? kasan_check_read+0x11/0x20
[  685.793481]  ? ___ratelimit+0x3b4/0x672
[  685.797478]  ? trace_hardirqs_off_caller+0x310/0x310
[  685.802582]  ? trace_hardirqs_on+0x310/0x310
[  685.806996]  ? lock_downgrade+0x900/0x900
[  685.811176]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  685.816294]  ? ___ratelimit+0x3b9/0x672
[  685.820262]  ? idr_get_free+0xf70/0xf70
[  685.824234]  ? find_held_lock+0x36/0x1c0
[  685.828334]  oom_kill_process.cold.27+0x10/0x903
[  685.833122]  ? zap_class+0x640/0x640
[  685.836853]  ? check_preemption_disabled+0x48/0x280
[  685.841908]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.846855]  ? kasan_check_read+0x11/0x20
[  685.851000]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.856282]  ? oom_evaluate_task+0x540/0x540
[  685.860703]  ? find_held_lock+0x36/0x1c0
[  685.864774]  ? out_of_memory+0x974/0x1430
[  685.868926]  ? lock_downgrade+0x900/0x900
[  685.873075]  ? check_preemption_disabled+0x48/0x280
[  685.878112]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  685.883040]  ? kasan_check_read+0x11/0x20
[  685.887216]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  685.892489]  ? rcu_softirq_qs+0x20/0x20
[  685.896465]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.901996]  ? oom_evaluate_task+0x302/0x540
[  685.906463]  out_of_memory+0xa84/0x1430
[  685.910455]  ? oom_killer_disable+0x3a0/0x3a0
[  685.914952]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  685.919902]  ? __ww_mutex_check_waiters+0x160/0x160
[  685.924928]  __alloc_pages_slowpath+0x232c/0x2de0
[  685.929804]  ? warn_alloc+0x120/0x120
[  685.933646]  ? mark_held_locks+0x130/0x130
[  685.937886]  ? find_get_entry+0xaae/0x1120
[  685.942168]  ? filemap_map_pages+0x1a20/0x1a20
[  685.946778]  ? zap_class+0x640/0x640
[  685.950517]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  685.956055]  ? check_preemption_disabled+0x48/0x280
[  685.961091]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  685.966689]  ? should_fail+0x22d/0xd01
[  685.970583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  685.975686]  ? zap_class+0x640/0x640
[  685.979436]  ? __lock_is_held+0xb5/0x140
[  685.983503]  ? mark_held_locks+0x130/0x130
[  685.987754]  ? lock_release+0xa00/0xa00
[  685.991724]  ? perf_trace_sched_process_exec+0x860/0x860
[  685.997206]  ? xa_load+0x2ba/0x460
[  686.000742]  ? lock_downgrade+0x900/0x900
[  686.004907]  ? __might_sleep+0x95/0x190
[  686.008887]  __alloc_pages_nodemask+0xad8/0xea0
[  686.013581]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  686.018597]  ? __page_cache_alloc+0x191/0x5c0
[  686.023092]  ? xa_load+0x2e1/0x460
[  686.026636]  ? xa_clear_mark+0x40/0x40
[  686.030525]  ? zap_class+0x640/0x640
[  686.034249]  ? zap_class+0x640/0x640
[  686.037962]  ? zap_class+0x640/0x640
[  686.041677]  ? __do_page_cache_readahead+0x663/0x810
[  686.046783]  ? find_held_lock+0x36/0x1c0
[  686.050864]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  686.056413]  alloc_pages_current+0x173/0x350
[  686.060836]  __page_cache_alloc+0x38c/0x5c0
[  686.065170]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.070098]  ? kasan_check_read+0x11/0x20
[  686.074243]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.079522]  ? generic_perform_write+0x6a0/0x6a0
[  686.084283]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.089818]  ? check_preemption_disabled+0x48/0x280
[  686.094842]  filemap_fault+0x1595/0x25f0
[  686.098920]  ? __lock_page_or_retry+0xa00/0xa00
[  686.103591]  ? mark_held_locks+0x130/0x130
[  686.107839]  ? filemap_map_pages+0xd6b/0x1a20
[  686.112332]  ? lock_downgrade+0x900/0x900
[  686.116479]  ? check_preemption_disabled+0x48/0x280
[  686.121499]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.126436]  ? kasan_check_read+0x11/0x20
[  686.130587]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.135866]  ? rcu_softirq_qs+0x20/0x20
[  686.139852]  ? filemap_map_pages+0xd92/0x1a20
[  686.144369]  ? find_get_entries_tag+0x1400/0x1400
[  686.149213]  ? __kernel_text_address+0xd/0x40
[  686.153752]  ? unwind_get_return_address+0x61/0xa0
[  686.158695]  ? lock_acquire+0x1ed/0x520
[  686.162673]  ? ext4_filemap_fault+0x7a/0xad
[  686.166995]  ? lock_release+0xa00/0xa00
[  686.170964]  ? perf_trace_sched_process_exec+0x860/0x860
[  686.176420]  ? print_usage_bug+0xc0/0xc0
[  686.180503]  ? print_usage_bug+0xc0/0xc0
[  686.184583]  ? __x64_sys_read+0x73/0xb0
[  686.188551]  ? print_usage_bug+0xc0/0xc0
[  686.192611]  ? down_read+0x8d/0x120
[  686.196268]  ? ext4_filemap_fault+0x7a/0xad
[  686.200605]  ? __down_interruptible+0x700/0x700
[  686.205293]  ext4_filemap_fault+0x82/0xad
[  686.209454]  __do_fault+0x100/0x6b0
[  686.213077]  ? trace_hardirqs_on+0xbd/0x310
[  686.217408]  ? pmd_devmap_trans_unstable+0x220/0x220
[  686.222564]  ? mark_held_locks+0x130/0x130
[  686.226825]  ? mark_held_locks+0x130/0x130
[  686.231058]  ? do_syslog+0x147b/0x1690
[  686.234946]  ? do_syslog+0x309/0x1690
[  686.238740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.244280]  __handle_mm_fault+0x3ea0/0x5be0
[  686.248691]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  686.253530]  ? find_held_lock+0x36/0x1c0
[  686.257604]  ? zap_class+0x640/0x640
[  686.261317]  ? zap_class+0x640/0x640
[  686.265045]  ? find_held_lock+0x36/0x1c0
[  686.269107]  ? handle_mm_fault+0x42a/0xc70
[  686.273364]  ? lock_downgrade+0x900/0x900
[  686.277509]  ? check_preemption_disabled+0x48/0x280
[  686.282523]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  686.287451]  ? kasan_check_read+0x11/0x20
[  686.291590]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  686.296858]  ? rcu_softirq_qs+0x20/0x20
[  686.300825]  ? trace_hardirqs_off_caller+0x310/0x310
[  686.305941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.311473]  ? check_preemption_disabled+0x48/0x280
[  686.316491]  handle_mm_fault+0x54f/0xc70
[  686.320580]  ? __handle_mm_fault+0x5be0/0x5be0
[  686.325207]  ? find_vma+0x34/0x190
[  686.328916]  __do_page_fault+0x5e8/0xe60
[  686.333103]  ? trace_hardirqs_off+0xb8/0x310
[  686.337508]  ? kernel_write+0x120/0x120
[  686.341506]  do_page_fault+0xf2/0x7e0
[  686.345308]  ? vmalloc_sync_all+0x30/0x30
[  686.349476]  ? error_entry+0x70/0xd0
[  686.353211]  ? trace_hardirqs_off_caller+0xbb/0x310
[  686.358234]  ? trace_hardirqs_on_caller+0xc0/0x310
[  686.363204]  ? syscall_return_slowpath+0x5e0/0x5e0
[  686.368143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.372986]  ? trace_hardirqs_on_caller+0x310/0x310
[  686.378002]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  686.383455]  ? prepare_exit_to_usermode+0x291/0x3b0
[  686.388468]  ? page_fault+0x8/0x30
[  686.392004]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  686.396843]  ? page_fault+0x8/0x30
[  686.400375]  page_fault+0x1e/0x30
[  686.403839] RIP: 0033:0x7fe9f4ff21fd
[  686.407587] Code: Bad RIP value.
[  686.410945] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  686.416304] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  686.423565] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  686.430826] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  686.438084] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  686.445343] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  686.452636] warn_alloc_show_mem: 1 callbacks suppressed
[  686.452647] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  686.452648] Mem-Info:
[  686.452682] active_anon:43385 inactive_anon:190 isolated_anon:0
[  686.452682]  active_file:9 inactive_file:19 isolated_file:0
[  686.452682]  unevictable:0 dirty:0 writeback:0 unstable:0
[  686.452682]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  686.452682]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  686.452682]  free:13722 free_pcp:438 free_cma:0
[  686.458010] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  686.458017] Call Trace:
[  686.465120] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  686.467527]  <IRQ>
[  686.500405] 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
[  686.509788]  dump_stack+0x244/0x39d
[  686.512342] lowmem_reserve[]: 0 2818 6321 6321
[  686.539831]  ? dump_stack_print_info.cold.1+0x20/0x20
[  686.541956] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  686.568075]  warn_alloc.cold.116+0xb7/0x1bd
[  686.571668] lowmem_reserve[]: 0 0 3503 3503
[  686.576274]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  686.581452] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  686.608768]  ? lock_downgrade+0x900/0x900
[  686.613075] lowmem_reserve[]: 0 0 0 0
[  686.617417]  ? trace_hardirqs_off+0xb8/0x310
[  686.622252] 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
[  686.651215]  ? trace_hardirqs_off+0xb8/0x310
[  686.655364] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  686.659158]  __alloc_pages_slowpath+0x2651/0x2de0
[  686.663573] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  686.677112]  ? warn_alloc+0x120/0x120
[  686.681481] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  686.696468]  ? warn_alloc+0x120/0x120
[  686.701296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  686.716804]  ? warn_alloc+0x120/0x120
[  686.720582] 272 total pagecache pages
[  686.729404]  ? print_usage_bug+0xc0/0xc0
[  686.733200] 0 pages in swap cache
[  686.741760]  ? print_usage_bug+0xc0/0xc0
[  686.745548] Swap cache stats: add 0, delete 0, find 0/0
[  686.749342]  ? ktime_get+0x2c1/0x400
[  686.753379] Free swap  = 0kB
[  686.756827]  ? check_preemption_disabled+0x48/0x280
[  686.760867] Total swap = 0kB
[  686.766217]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  686.769923] 1965979 pages RAM
[  686.772932]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  686.777914] 0 pages HighMem/MovableOnly
[  686.777923] 342854 pages reserved
[  686.780949]  ? should_fail+0x22d/0xd01
[  686.785420] 0 pages cma reserved
[  686.788547]  ? kasan_check_read+0x11/0x20
[  686.788563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.794167] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  686.798068]  ? __lock_acquire+0x62f/0x4c20
[  686.801654] rsyslogd: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  686.805375]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  686.808717] rsyslogd cpuset=/ mems_allowed=0
[  686.812858]  ? should_fail+0x22d/0xd01
[  686.852053]  ? print_usage_bug+0xc0/0xc0
[  686.856180]  ? mark_held_locks+0x130/0x130
[  686.860414]  ? mark_held_locks+0x130/0x130
[  686.864718]  ? check_preemption_disabled+0x48/0x280
[  686.869755]  ? zap_class+0x640/0x640
[  686.873468]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  686.878234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.883766]  ? check_preemption_disabled+0x48/0x280
[  686.888797]  ? __lock_is_held+0xb5/0x140
[  686.892871]  __alloc_pages_nodemask+0xad8/0xea0
[  686.897536]  ? zap_class+0x640/0x640
[  686.901261]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  686.906505]  ? find_held_lock+0x36/0x1c0
[  686.910593]  ? ____cache_alloc_node+0x1c7/0x1e0
[  686.915261]  ? lock_downgrade+0x900/0x900
[  686.919429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  686.924973]  cache_grow_begin+0xa5/0x8c0
[  686.929028]  ? do_raw_spin_unlock+0xa7/0x330
[  686.933446]  fallback_alloc+0x204/0x2e0
[  686.937431]  ____cache_alloc_node+0x1c7/0x1e0
[  686.941947]  kmem_cache_alloc_node+0xe3/0x730
[  686.946455]  ? lockdep_hardirqs_on+0x296/0x5b0
[  686.951047]  __alloc_skb+0x119/0x770
[  686.954761]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  686.960152]  ? netdev_alloc_frag+0x1f0/0x1f0
[  686.964591]  ? vprintk_default+0x28/0x30
[  686.968796]  ? vprintk_func+0x85/0x181
[  686.972685]  ? printk+0xa7/0xcf
[  686.975965]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  686.980719]  ? do_raw_spin_trylock+0x270/0x270
[  686.985306]  new_skb+0x26/0x1c0
[  686.988597]  aoecmd_cfg+0x279/0x7f0
[  686.992223]  ? find_held_lock+0x36/0x1c0
[  686.996284]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  687.000613]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.006171]  ? __lock_is_held+0xb5/0x140
[  687.010244]  discover_timer+0x50/0x60
[  687.014042]  call_timer_fn+0x272/0x920
[  687.017932]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.022770]  ? process_timeout+0x40/0x40
[  687.026846]  ? __run_timers+0x7da/0xc70
[  687.030823]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.035313]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.039817]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.044659]  ? lockdep_hardirqs_on+0x296/0x5b0
[  687.049239]  ? trace_hardirqs_on+0xbd/0x310
[  687.053569]  ? kasan_check_read+0x11/0x20
[  687.057711]  ? __run_timers+0x7da/0xc70
[  687.061699]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.066824]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  687.071659]  __run_timers+0x7e5/0xc70
[  687.075469]  ? timer_fixup_init+0x70/0x70
[  687.079615]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  687.084631]  ? zap_class+0x640/0x640
[  687.088350]  ? enqueue_hrtimer+0x1a5/0x560
[  687.092585]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  687.097792]  ? find_held_lock+0x36/0x1c0
[  687.101870]  ? zap_class+0x640/0x640
[  687.105585]  ? pvclock_read_flags+0x160/0x160
[  687.110080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.115631]  ? check_preemption_disabled+0x48/0x280
[  687.120658]  ? __lock_is_held+0xb5/0x140
[  687.124720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.130272]  ? check_preemption_disabled+0x48/0x280
[  687.135294]  run_timer_softirq+0x52/0xb0
[  687.139356]  ? rcu_read_lock_sched_held+0x14f/0x180
[  687.144390]  __do_softirq+0x308/0xb7e
[  687.148253]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  687.152746]  ? lock_downgrade+0x900/0x900
[  687.156912]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  687.162050]  ? pvclock_read_flags+0x160/0x160
[  687.166551]  ? lapic_next_event+0x5a/0x90
[  687.170712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.176252]  ? kvm_clock_read+0x18/0x30
[  687.180222]  ? kvm_sched_clock_read+0x9/0x20
[  687.184629]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.190175]  ? check_preemption_disabled+0x48/0x280
[  687.195203]  irq_exit+0x17f/0x1c0
[  687.198652]  smp_apic_timer_interrupt+0x1cb/0x760
[  687.203489]  ? smp_reschedule_interrupt+0x109/0x650
[  687.208510]  ? smp_call_function_single_interrupt+0x650/0x650
[  687.214386]  ? interrupt_entry+0xb5/0xc0
[  687.218459]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.223494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  687.228531]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.233379]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.238387]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.243408]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.248292]  apic_timer_interrupt+0xf/0x20
[  687.252522]  </IRQ>
[  687.254763] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  687.259693] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  687.278588] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  687.286289] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  687.293567] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  687.300832] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  687.308093] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  687.315357] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  687.322659]  skb_clone+0x1bb/0x500
[  687.326197]  ? finish_task_switch+0x2f4/0x910
[  687.330691]  ? skb_split+0x11e0/0x11e0
[  687.334580]  ? preempt_notifier_register+0x200/0x200
[  687.339679]  ? __switch_to_asm+0x34/0x70
[  687.343738]  ? __switch_to_asm+0x34/0x70
[  687.347797]  ? __switch_to_asm+0x40/0x70
[  687.351862]  ? __switch_to_asm+0x34/0x70
[  687.355920]  ? __switch_to_asm+0x40/0x70
[  687.359977]  ? __switch_to_asm+0x34/0x70
[  687.364036]  ? __switch_to_asm+0x40/0x70
[  687.368121]  ? __switch_to_asm+0x34/0x70
[  687.372208]  ? __switch_to_asm+0x34/0x70
[  687.376275]  ? __switch_to_asm+0x40/0x70
[  687.380339]  ? __switch_to_asm+0x34/0x70
[  687.384427]  bpf_clone_redirect+0xb9/0x490
[  687.388679]  ? __schedule+0x8d7/0x21d0
[  687.392572]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  687.397590]  ? __sched_text_start+0x8/0x8
[  687.401738]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  687.406341]  ? retint_kernel+0x2d/0x2d
[  687.410239]  ? trace_hardirqs_on_caller+0xc0/0x310
[  687.415170]  ? find_held_lock+0x36/0x1c0
[  687.419235]  ? lock_acquire+0x1ed/0x520
[  687.423208]  ? bpf_test_run+0x3ee/0x7a0
[  687.427196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.432766]  ? check_preemption_disabled+0x48/0x280
[  687.437797]  ? kasan_check_read+0x11/0x20
[  687.441959]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.447233]  ? rcu_softirq_qs+0x20/0x20
[  687.451210]  ? preempt_schedule+0x4d/0x60
[  687.455361]  ? ___preempt_schedule+0x16/0x18
[  687.459780]  ? bpf_test_run+0x271/0x7a0
[  687.463763]  ? netlink_diag_dump+0x2a0/0x2a0
[  687.468175]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.473712]  ? bpf_test_init.isra.10+0x70/0x100
[  687.478427]  ? bpf_prog_test_run_skb+0x762/0xd60
[  687.483284]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.488137]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  687.493675]  ? fput+0x130/0x1a0
[  687.496955]  ? __bpf_prog_get+0x9b/0x290
[  687.501018]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  687.505861]  ? bpf_prog_test_run+0x130/0x1a0
[  687.510269]  ? __x64_sys_bpf+0x3d8/0x520
[  687.514329]  ? bpf_prog_get+0x20/0x20
[  687.518155]  ? do_syscall_64+0x1b9/0x820
[  687.522232]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  687.527611]  ? syscall_return_slowpath+0x5e0/0x5e0
[  687.532564]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.537404]  ? trace_hardirqs_on_caller+0x310/0x310
[  687.542475]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  687.547493]  ? prepare_exit_to_usermode+0x291/0x3b0
[  687.552514]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  687.557379]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  687.562759] CPU: 1 PID: 5915 Comm: rsyslogd Not tainted 4.20.0-rc3+ #97
[  687.562796] rcu: INFO: rcu_preempt self-detected stall on CPU
[  687.569517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  687.569526] Call Trace:
[  687.575653] rcu: 	0-...!: (1 GPs behind) idle=2ba/1/0x4000000000000004 softirq=60263/60264 fqs=3 
[  687.584832]  <IRQ>
[  687.584866]  dump_stack+0x244/0x39d
[  687.584884]  ? dump_stack_print_info.cold.1+0x20/0x20
[  687.584910]  warn_alloc.cold.116+0xb7/0x1bd
[  687.584926]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  687.584942]  ? lock_downgrade+0x900/0x900
[  687.584964]  ? trace_hardirqs_off+0xb8/0x310
[  687.584983]  ? trace_hardirqs_off+0xb8/0x310
[  687.585005]  __alloc_pages_slowpath+0x2651/0x2de0
[  687.585060]  ? warn_alloc+0x120/0x120
[  687.587849] rcu: 	 (t=10501 jiffies g=87257 q=6)
[  687.596875]  ? warn_alloc+0x120/0x120
[  687.599013] rcu: rcu_preempt kthread starved for 9755 jiffies! g87257 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[  687.602622]  ? warn_alloc+0x120/0x120
[  687.607791] rcu: RCU grace-period kthread stack dump:
[  687.612205]  ? print_usage_bug+0xc0/0xc0
[  687.617023] rcu_preempt     R  running task    22392    10      2 0x80000000
[  687.621232]  ? print_usage_bug+0xc0/0xc0
[  687.625612] Call Trace:
[  687.630017]  ? mark_held_locks+0x130/0x130
[  687.634844]  __schedule+0x8cf/0x21d0
[  687.638631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  687.643381]  ? __sched_text_start+0x8/0x8
[  687.647312]  ? should_fail+0x22d/0xd01
[  687.657715]  ? add_timer_on+0xa20/0xa20
[  687.661490]  ? __lock_acquire+0x62f/0x4c20
[  687.666665]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  687.670871]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.677975]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  687.682039]  ? __lock_acquire+0x62f/0x4c20
[  687.684637]  ? trace_hardirqs_on+0xbd/0x310
[  687.688905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  687.692619]  ? kasan_check_read+0x11/0x20
[  687.698230]  ? __lock_acquire+0x62f/0x4c20
[  687.698244]  ? should_fail+0x22d/0xd01
[  687.702380]  ? prepare_to_swait_event+0x25a/0x800
[  687.706377]  ? mark_held_locks+0x130/0x130
[  687.710323]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.714536]  ? mark_held_locks+0x130/0x130
[  687.719624]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  687.724731]  ? zap_class+0x640/0x640
[  687.729831]  schedule+0xfe/0x460
[  687.734054]  ? check_preemption_disabled+0x48/0x280
[  687.738354]  ? __schedule+0x21d0/0x21d0
[  687.743445]  ? zap_class+0x640/0x640
[  687.747577]  ? prepare_to_swait_event+0x25a/0x800
[  687.751797]  ? print_usage_bug+0xc0/0xc0
[  687.755673]  ? __init_swait_queue_head+0x150/0x150
[  687.760495]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.764769]  ? __lockdep_init_map+0x105/0x590
[  687.769857]  ? check_preemption_disabled+0x48/0x280
[  687.774324]  ? lockdep_init_map+0x9/0x10
[  687.779419]  ? __lock_is_held+0xb5/0x140
[  687.783115]  schedule_timeout+0x140/0x260
[  687.786482]  __alloc_pages_nodemask+0xad8/0xea0
[  687.791479]  ? usleep_range+0x1a0/0x1a0
[  687.795440]  ? zap_class+0x640/0x640
[  687.799140]  ? __next_timer_interrupt+0x1a0/0x1a0
[  687.803978]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  687.808047]  rcu_gp_fqs_loop+0x762/0xa80
[  687.812966]  ? find_held_lock+0x36/0x1c0
[  687.818481]  ? rcu_gp_fqs_check_wake+0x170/0x170
[  687.822985]  ? ____cache_alloc_node+0x1c7/0x1e0
[  687.827978]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.832025]  ? lock_downgrade+0x900/0x900
[  687.836075]  ? perf_trace_sched_process_exec+0x860/0x860
[  687.840221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.844889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.848860]  cache_grow_begin+0xa5/0x8c0
[  687.852562]  ? rcu_gp_init+0x90b/0x1260
[  687.857380]  ? do_raw_spin_unlock+0xa7/0x330
[  687.862388]  ? dump_blkd_tasks.isra.48+0xe0/0xe0
[  687.866440]  fallback_alloc+0x204/0x2e0
[  687.870485]  ? rcu_accelerate_cbs+0x562/0xae0
[  687.875238]  ____cache_alloc_node+0x1c7/0x1e0
[  687.879887]  ? zap_class+0x640/0x640
[  687.884975]  kmem_cache_alloc_node+0xe3/0x730
[  687.889125]  ? zap_class+0x640/0x640
[  687.894573]  ? ipv6_get_ifaddr+0x42e/0x620
[  687.900099]  ? __lock_is_held+0xb5/0x140
[  687.905621]  __alloc_skb+0x119/0x770
[  687.909675]  ? __lock_is_held+0xb5/0x140
[  687.913655]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  687.918045]  ? zap_class+0x640/0x640
[  687.922789]  ? netdev_alloc_frag+0x1f0/0x1f0
[  687.926750]  ? rcu_accelerate_cbs+0x10a/0xae0
[  687.931229]  ? lock_downgrade+0x900/0x900
[  687.935714]  ? find_held_lock+0x36/0x1c0
[  687.939406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  687.943887]  ? rcu_gp_kthread+0x8cf/0xc70
[  687.947600]  ? refcount_sub_and_test_checked+0x203/0x310
[  687.951831]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.955896]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  687.959590]  ? _raw_spin_unlock_irq+0x27/0x80
[  687.963666]  ? addrconf_rs_timer+0x690/0x690
[  687.968926]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  687.972632]  ndisc_alloc_skb+0x144/0x340
[  687.977015]  ? trace_hardirqs_on+0xbd/0x310
[  687.981533]  ndisc_send_rs+0x331/0x6e0
[  687.985667]  ? kasan_check_read+0x11/0x20
[  687.989723]  addrconf_rs_timer+0x314/0x690
[  687.995245]  ? trace_hardirqs_off_caller+0x310/0x310
[  687.999379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.004816]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.009316]  call_timer_fn+0x272/0x920
[  688.014760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.019251]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.023662]  rcu_gp_kthread+0x341/0xc70
[  688.028218]  ? process_timeout+0x40/0x40
[  688.032284]  ? rcu_gp_init+0x1260/0x1260
[  688.036594]  ? mark_held_locks+0xc7/0x130
[  688.040460]  ? mark_held_locks+0x130/0x130
[  688.044587]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.048807]  ? __schedule+0x168a/0x21d0
[  688.053894]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.058107]  ? _raw_spin_unlock_irq+0x27/0x80
[  688.063556]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.067458]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.072995]  ? lockdep_hardirqs_on+0x296/0x5b0
[  688.077217]  ? trace_hardirqs_on+0xbd/0x310
[  688.081170]  ? trace_hardirqs_on+0xbd/0x310
[  688.085211]  ? kasan_check_read+0x11/0x20
[  688.089251]  ? kasan_check_read+0x11/0x20
[  688.093377]  ? __schedule+0x168a/0x21d0
[  688.097607]  ? __run_timers+0x7da/0xc70
[  688.102087]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.106046]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.110519]  ? lock_pin_lock+0x350/0x350
[  688.115018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  688.119232]  ? _raw_spin_unlock_irq+0x60/0x80
[  688.123794]  __run_timers+0x7e5/0xc70
[  688.128358]  ? __schedule+0x168a/0x21d0
[  688.132664]  ? timer_fixup_init+0x70/0x70
[  688.136978]  ? __switch_to_asm+0x40/0x70
[  688.141113]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  688.145275]  ? __switch_to_asm+0x40/0x70
[  688.149242]  ? zap_class+0x640/0x640
[  688.153201]  ? show_schedstat+0x551/0xf30
[  688.158289]  ? print_usage_bug+0xc0/0xc0
[  688.163371]  ? __sched_text_start+0x8/0x8
[  688.167413]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  688.171637]  ? find_held_lock+0x36/0x1c0
[  688.176110]  ? find_held_lock+0x36/0x1c0
[  688.179910]  ? __kthread_parkme+0xce/0x1a0
[  688.183881]  ? zap_class+0x640/0x640
[  688.188023]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.192080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.197089]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.201152]  ? check_preemption_disabled+0x48/0x280
[  688.204894]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.209045]  ? __lock_is_held+0xb5/0x140
[  688.213091]  ? trace_hardirqs_on+0xbd/0x310
[  688.217220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.222390]  ? kasan_check_read+0x11/0x20
[  688.226438]  ? check_preemption_disabled+0x48/0x280
[  688.230502]  ? __kthread_parkme+0xce/0x1a0
[  688.234729]  run_timer_softirq+0x52/0xb0
[  688.238441]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.243535]  ? rcu_read_lock_sched_held+0x14f/0x180
[  688.249314]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  688.254390]  __do_softirq+0x308/0xb7e
[  688.259389]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.263983]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  688.268045]  ? __kthread_parkme+0xfb/0x1a0
[  688.272347]  ? lock_downgrade+0x900/0x900
[  688.277898]  ? rcu_gp_init+0x1260/0x1260
[  688.282046]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  688.287046]  kthread+0x35a/0x440
[  688.291265]  ? pvclock_read_flags+0x160/0x160
[  688.295303]  ? kthread_stop+0x900/0x900
[  688.300387]  ? lapic_next_event+0x5a/0x90
[  688.305391]  ret_from_fork+0x3a/0x50
[  688.310476]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.314268] NMI backtrace for cpu 0
[  688.319779]  ? kvm_clock_read+0x18/0x30
[  688.374684]  ? kvm_sched_clock_read+0x9/0x20
[  688.379092]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.384629]  ? check_preemption_disabled+0x48/0x280
[  688.389652]  irq_exit+0x17f/0x1c0
[  688.393099]  smp_apic_timer_interrupt+0x1cb/0x760
[  688.397994]  ? smp_call_function_single_interrupt+0x650/0x650
[  688.403872]  ? interrupt_entry+0xb5/0xc0
[  688.407930]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.412941]  ? trace_hardirqs_off_caller+0xbb/0x310
[  688.417958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.422829]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.427842]  ? trace_hardirqs_on_caller+0x310/0x310
[  688.432867]  ? task_prio+0x50/0x50
[  688.436405]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.441954]  ? check_preemption_disabled+0x48/0x280
[  688.446970]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  688.451816]  apic_timer_interrupt+0xf/0x20
[  688.456038]  </IRQ>
[  688.458287] RIP: 0010:dump_stack+0x358/0x39d
[  688.462689] Code: 74 0c 48 c7 c7 70 fb 51 89 e8 71 44 ef f9 48 83 3d b9 57 7e 01 00 0f 84 63 fe ff ff e8 2e e7 ab f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 1b e7 ab f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00
[  688.481594] RSP: 0000:ffff8881c7c761e8 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13
[  688.489299] RAX: ffff8881c68d8380 RBX: 1ffffffff12a3f6e RCX: 1ffff11038d1b18e
[  688.496573] RDX: 0000000000000000 RSI: ffffffff87d3a3c2 RDI: 0000000000000293
[  688.503860] RBP: ffff8881c7c76290 R08: ffff8881c68d8c70 R09: 0000000000000006
[  688.511140] R10: 0000000000000000 R11: ffff8881c68d8380 R12: 1ffff11038f8ec45
[  688.518411] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001
[  688.525712]  ? dump_stack+0x34f/0x39d
[  688.529535]  ? dump_stack_print_info.cold.1+0x20/0x20
[  688.534739]  ? mark_held_locks+0x130/0x130
[  688.538999]  ? mark_held_locks+0x130/0x130
[  688.543248]  dump_header+0x27b/0xf72
[  688.546986]  ? pagefault_out_of_memory+0x197/0x197
[  688.551913]  ? __lock_acquire+0x62f/0x4c20
[  688.556160]  ? percpu_ref_get_many+0x240/0x240
[  688.560747]  ? print_usage_bug+0xc0/0xc0
[  688.564818]  ? zap_class+0x640/0x640
[  688.568534]  ? print_usage_bug+0xc0/0xc0
[  688.572591]  ? print_usage_bug+0xc0/0xc0
[  688.576651]  ? zap_class+0x640/0x640
[  688.580360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.585913]  ? find_held_lock+0x36/0x1c0
[  688.590011]  ? mark_held_locks+0xc7/0x130
[  688.594189]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.599293]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  688.604395]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  688.608984]  ? trace_hardirqs_on+0xbd/0x310
[  688.613308]  ? kasan_check_read+0x11/0x20
[  688.617454]  ? ___ratelimit+0x3b4/0x672
[  688.621457]  ? trace_hardirqs_off_caller+0x310/0x310
[  688.626598]  ? trace_hardirqs_on+0x310/0x310
[  688.631020]  ? lock_downgrade+0x900/0x900
[  688.635320]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  688.640463]  ? ___ratelimit+0x3b9/0x672
[  688.644442]  ? idr_get_free+0xf70/0xf70
[  688.648415]  ? find_held_lock+0x36/0x1c0
[  688.652504]  oom_kill_process.cold.27+0x10/0x903
[  688.657279]  ? zap_class+0x640/0x640
[  688.661008]  ? check_preemption_disabled+0x48/0x280
[  688.666024]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.670964]  ? kasan_check_read+0x11/0x20
[  688.675344]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.680622]  ? oom_evaluate_task+0x540/0x540
[  688.685035]  ? find_held_lock+0x36/0x1c0
[  688.689103]  ? out_of_memory+0x974/0x1430
[  688.693248]  ? lock_downgrade+0x900/0x900
[  688.697419]  ? check_preemption_disabled+0x48/0x280
[  688.702455]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.707384]  ? kasan_check_read+0x11/0x20
[  688.711560]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.716840]  ? rcu_softirq_qs+0x20/0x20
[  688.720816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.726350]  ? oom_evaluate_task+0x302/0x540
[  688.730757]  out_of_memory+0xa84/0x1430
[  688.734733]  ? oom_killer_disable+0x3a0/0x3a0
[  688.739225]  ? __alloc_pages_slowpath+0xf5c/0x2de0
[  688.744151]  ? __ww_mutex_check_waiters+0x160/0x160
[  688.749186]  __alloc_pages_slowpath+0x232c/0x2de0
[  688.754071]  ? warn_alloc+0x120/0x120
[  688.757883]  ? mark_held_locks+0x130/0x130
[  688.762113]  ? find_get_entry+0xaae/0x1120
[  688.766350]  ? filemap_map_pages+0x1a20/0x1a20
[  688.770929]  ? zap_class+0x640/0x640
[  688.774645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  688.780185]  ? check_preemption_disabled+0x48/0x280
[  688.785240]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.790795]  ? should_fail+0x22d/0xd01
[  688.794691]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  688.799794]  ? zap_class+0x640/0x640
[  688.803532]  ? __lock_is_held+0xb5/0x140
[  688.807619]  ? mark_held_locks+0x130/0x130
[  688.811861]  ? lock_release+0xa00/0xa00
[  688.815838]  ? perf_trace_sched_process_exec+0x860/0x860
[  688.821295]  ? xa_load+0x2ba/0x460
[  688.824836]  ? lock_downgrade+0x900/0x900
[  688.828993]  ? __might_sleep+0x95/0x190
[  688.832973]  __alloc_pages_nodemask+0xad8/0xea0
[  688.837667]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  688.842702]  ? __page_cache_alloc+0x191/0x5c0
[  688.847196]  ? xa_load+0x2e1/0x460
[  688.850737]  ? xa_clear_mark+0x40/0x40
[  688.854630]  ? zap_class+0x640/0x640
[  688.858353]  ? zap_class+0x640/0x640
[  688.862067]  ? zap_class+0x640/0x640
[  688.865783]  ? __do_page_cache_readahead+0x663/0x810
[  688.870892]  ? find_held_lock+0x36/0x1c0
[  688.874961]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  688.880507]  alloc_pages_current+0x173/0x350
[  688.884924]  __page_cache_alloc+0x38c/0x5c0
[  688.889521]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.894470]  ? kasan_check_read+0x11/0x20
[  688.898616]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.903898]  ? generic_perform_write+0x6a0/0x6a0
[  688.909170]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  688.914710]  ? check_preemption_disabled+0x48/0x280
[  688.919734]  filemap_fault+0x1595/0x25f0
[  688.923825]  ? __lock_page_or_retry+0xa00/0xa00
[  688.928496]  ? mark_held_locks+0x130/0x130
[  688.932751]  ? filemap_map_pages+0xd6b/0x1a20
[  688.937245]  ? lock_downgrade+0x900/0x900
[  688.941399]  ? check_preemption_disabled+0x48/0x280
[  688.946433]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  688.951364]  ? kasan_check_read+0x11/0x20
[  688.955514]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  688.960790]  ? rcu_softirq_qs+0x20/0x20
[  688.964775]  ? filemap_map_pages+0xd92/0x1a20
[  688.969292]  ? find_get_entries_tag+0x1400/0x1400
[  688.974172]  ? __kernel_text_address+0xd/0x40
[  688.978666]  ? unwind_get_return_address+0x61/0xa0
[  688.983644]  ? lock_acquire+0x1ed/0x520
[  688.987616]  ? ext4_filemap_fault+0x7a/0xad
[  688.991945]  ? lock_release+0xa00/0xa00
[  688.995922]  ? perf_trace_sched_process_exec+0x860/0x860
[  689.001370]  ? print_usage_bug+0xc0/0xc0
[  689.005438]  ? print_usage_bug+0xc0/0xc0
[  689.009500]  ? __x64_sys_read+0x73/0xb0
[  689.013473]  ? print_usage_bug+0xc0/0xc0
[  689.017544]  ? down_read+0x8d/0x120
[  689.021168]  ? ext4_filemap_fault+0x7a/0xad
[  689.025491]  ? __down_interruptible+0x700/0x700
[  689.030168]  ext4_filemap_fault+0x82/0xad
[  689.034314]  __do_fault+0x100/0x6b0
[  689.037939]  ? trace_hardirqs_on+0xbd/0x310
[  689.042262]  ? pmd_devmap_trans_unstable+0x220/0x220
[  689.047365]  ? mark_held_locks+0x130/0x130
[  689.051595]  ? mark_held_locks+0x130/0x130
[  689.055840]  ? do_syslog+0x147b/0x1690
[  689.059745]  ? do_syslog+0x309/0x1690
[  689.063543]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.069082]  __handle_mm_fault+0x3ea0/0x5be0
[  689.073501]  ? vmf_insert_mixed_mkwrite+0x40/0x40
[  689.078350]  ? find_held_lock+0x36/0x1c0
[  689.082453]  ? zap_class+0x640/0x640
[  689.086170]  ? zap_class+0x640/0x640
[  689.089907]  ? find_held_lock+0x36/0x1c0
[  689.093978]  ? handle_mm_fault+0x42a/0xc70
[  689.098229]  ? lock_downgrade+0x900/0x900
[  689.102373]  ? check_preemption_disabled+0x48/0x280
[  689.107393]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  689.112329]  ? kasan_check_read+0x11/0x20
[  689.116480]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  689.121757]  ? rcu_softirq_qs+0x20/0x20
[  689.125734]  ? trace_hardirqs_off_caller+0x310/0x310
[  689.130840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  689.136376]  ? check_preemption_disabled+0x48/0x280
[  689.141410]  handle_mm_fault+0x54f/0xc70
[  689.145479]  ? __handle_mm_fault+0x5be0/0x5be0
[  689.150077]  ? find_vma+0x34/0x190
[  689.153619]  __do_page_fault+0x5e8/0xe60
[  689.157680]  ? trace_hardirqs_off+0xb8/0x310
[  689.162088]  ? kernel_write+0x120/0x120
[  689.166104]  do_page_fault+0xf2/0x7e0
[  689.169915]  ? vmalloc_sync_all+0x30/0x30
[  689.174060]  ? error_entry+0x70/0xd0
[  689.177771]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.182786]  ? trace_hardirqs_on_caller+0xc0/0x310
[  689.187714]  ? syscall_return_slowpath+0x5e0/0x5e0
[  689.192636]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.197488]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.202513]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  689.207965]  ? prepare_exit_to_usermode+0x291/0x3b0
[  689.212973]  ? page_fault+0x8/0x30
[  689.216506]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.221344]  ? page_fault+0x8/0x30
[  689.224904]  page_fault+0x1e/0x30
[  689.228352] RIP: 0033:0x7fe9f4ff21fd
[  689.232067] Code: Bad RIP value.
[  689.235428] RSP: 002b:00007fe9f2591e30 EFLAGS: 00010293
[  689.240784] RAX: 0000000000000fdf RBX: 0000000000836170 RCX: 00007fe9f4ff21fd
[  689.248074] RDX: 0000000000000fff RSI: 00007fe9f3dc65a0 RDI: 0000000000000004
[  689.255371] RBP: 0000000000000000 R08: 0000000000821260 R09: 0000000000000000
[  689.262676] R10: 7269762f73656369 R11: 0000000000000293 R12: 000000000065e420
[  689.269940] R13: 00007fe9f25929c0 R14: 00007fe9f5637040 R15: 0000000000000003
[  689.277223] warn_alloc_show_mem: 1 callbacks suppressed
[  689.277234] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  689.277235] Mem-Info:
[  689.277260] active_anon:43385 inactive_anon:190 isolated_anon:0
[  689.277260]  active_file:9 inactive_file:19 isolated_file:0
[  689.277260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  689.277260]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  689.277260]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  689.277260]  free:13722 free_pcp:438 free_cma:0
[  689.282601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  689.289722] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  689.292123] Call Trace:
[  689.324893] 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
[  689.334228]  <IRQ>
[  689.361701] lowmem_reserve[]: 0 2818 6321 6321
[  689.364294]  dump_stack+0x244/0x39d
[  689.390375] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  689.392540]  ? dump_stack_print_info.cold.1+0x20/0x20
[  689.397087] lowmem_reserve[]: 0 0 3503 3503
[  689.400735]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.428039] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  689.433235]  ? do_raw_spin_lock+0x14f/0x350
[  689.437525] lowmem_reserve[]: 0 0 0 0
[  689.443046]  nmi_cpu_backtrace.cold.2+0x5c/0xa1
[  689.471997] 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
[  689.476326]  ? lapic_can_unplug_cpu.cold.27+0x3f/0x3f
[  689.480119] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  689.484784]  nmi_trigger_cpumask_backtrace+0x1e8/0x22a
[  689.498266] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  689.503472]  arch_trigger_cpumask_backtrace+0x14/0x20
[  689.518453] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  689.523727]  rcu_dump_cpu_stacks+0x16f/0x1bc
[  689.539242] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  689.544447]  print_cpu_stall.cold.67+0x1f3/0x3c7
[  689.553255] 272 total pagecache pages
[  689.557653]  ? print_other_cpu_stall+0x160/0x160
[  689.566206] 0 pages in swap cache
[  689.570946]  ? print_usage_bug+0xc0/0xc0
[  689.574716] Swap cache stats: add 0, delete 0, find 0/0
[  689.574724] Free swap  = 0kB
[  689.579467]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  689.582923] Total swap = 0kB
[  689.586997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.592332] 1965979 pages RAM
[  689.595343]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.600238] 0 pages HighMem/MovableOnly
[  689.600246] 342854 pages reserved
[  689.603256]  ? do_trace_rcu_torture_read+0x10/0x10
[  689.608959] 0 pages cma reserved
[  689.609026] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  689.612063]  ? rcu_preempt_need_deferred_qs+0x74/0x1f0
[  689.612074]  ? __lock_is_held+0xb5/0x140
[  689.612104]  ? __rcu_read_lock+0x50/0x50
[  689.653282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.658819]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.664352]  ? check_preemption_disabled+0x48/0x280
[  689.669367]  rcu_check_callbacks+0xf3b/0x13f0
[  689.673856]  ? rcutree_dead_cpu+0x10/0x10
[  689.677997]  ? lock_downgrade+0x900/0x900
[  689.682143]  ? lock_release+0x960/0xa00
[  689.686137]  ? zap_class+0x640/0x640
[  689.689879]  ? mark_held_locks+0x130/0x130
[  689.694122]  ? zap_class+0x640/0x640
[  689.697851]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.703468]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  689.708105]  ? kvm_set_tsc_khz+0x540/0x540
[  689.712343]  ? find_held_lock+0x36/0x1c0
[  689.716415]  ? zap_class+0x640/0x640
[  689.720146]  ? timekeeping_advance+0x3cc/0xc00
[  689.724728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.730262]  ? check_preemption_disabled+0x48/0x280
[  689.735276]  ? trace_hardirqs_off+0xb8/0x310
[  689.739683]  ? __lock_is_held+0xb5/0x140
[  689.743746]  ? trace_hardirqs_on+0x310/0x310
[  689.748646]  ? check_preemption_disabled+0x48/0x280
[  689.753666]  ? raise_softirq+0x199/0x420
[  689.757730]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  689.762410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  689.767975]  ? check_preemption_disabled+0x48/0x280
[  689.772997]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  689.778699]  ? hrtimer_run_queues+0x9a/0x400
[  689.783110]  ? run_local_timers+0x19b/0x230
[  689.787436]  ? timer_clear_idle+0x90/0x90
[  689.791581]  ? debug_smp_processor_id+0x1c/0x20
[  689.796250]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  689.802218]  ? account_process_tick+0x282/0x350
[  689.806883]  update_process_times+0x2d/0x70
[  689.811197]  tick_sched_handle+0x9f/0x180
[  689.815349]  tick_sched_timer+0x45/0x130
[  689.819415]  __hrtimer_run_queues+0x41c/0x10d0
[  689.824015]  ? tick_sched_do_timer+0x1a0/0x1a0
[  689.828589]  ? hrtimer_start_range_ns+0xe00/0xe00
[  689.833454]  ? pvclock_read_flags+0x160/0x160
[  689.837943]  ? trace_hardirqs_on+0x310/0x310
[  689.842366]  ? zap_class+0x640/0x640
[  689.846115]  ? kvm_clock_read+0x18/0x30
[  689.850084]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  689.855112]  ? ktime_get_update_offsets_now+0x3b3/0x540
[  689.860475]  ? do_timer+0x50/0x50
[  689.863939]  ? rwlock_bug.part.2+0x90/0x90
[  689.868187]  ? trace_hardirqs_on+0x310/0x310
[  689.872620]  ? rcu_softirq_qs+0x20/0x20
[  689.876600]  hrtimer_interrupt+0x313/0x780
[  689.880882]  smp_apic_timer_interrupt+0x1a1/0x760
[  689.885743]  ? smp_call_function_single_interrupt+0x650/0x650
[  689.891630]  ? interrupt_entry+0xb5/0xc0
[  689.895710]  ? trace_hardirqs_off_caller+0xbb/0x310
[  689.900725]  ? ____cache_alloc_node+0x1c7/0x1e0
[  689.905390]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.910256]  ? trace_hardirqs_on_caller+0x310/0x310
[  689.915294]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  689.920169]  apic_timer_interrupt+0xf/0x20
[  689.924414] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  689.929819] Code: 3f 7e 0f 85 32 ff ff ff e8 55 0d 3e ff e9 28 ff ff ff e8 fc 42 c3 ff 48 83 3d 94 8b 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 5a bd
[  689.948743] RSP: 0000:ffff8881dae073d8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  689.956479] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff110322f61d9
[  689.963789] RDX: 0000000000000000 RSI: ffff8881917b0ed0 RDI: 0000000000000286
[  689.971048] RBP: ffff8881dae07448 R08: ffff8881917b0ec8 R09: 0000000000000002
[  689.978307] R10: 0000000000000000 R11: ffff8881917b0600 R12: ffff8881d9beec00
[  689.985566] R13: ffff8881d9beec00 R14: 0000000000000000 R15: 0000000000000286
[  689.992836]  ? apic_timer_interrupt+0xa/0x20
[  689.997261]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.001855]  __alloc_skb+0x119/0x770
[  690.005570]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  690.010941]  ? netdev_alloc_frag+0x1f0/0x1f0
[  690.015361]  ? vprintk_default+0x28/0x30
[  690.019428]  ? vprintk_func+0x85/0x181
[  690.023331]  ? printk+0xa7/0xcf
[  690.026609]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  690.031370]  ? do_raw_spin_trylock+0x270/0x270
[  690.035954]  new_skb+0x26/0x1c0
[  690.039234]  aoecmd_cfg+0x279/0x7f0
[  690.042883]  ? find_held_lock+0x36/0x1c0
[  690.046959]  ? aoecmd_ata_rsp+0x10d0/0x10d0
[  690.051281]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.056826]  ? __lock_is_held+0xb5/0x140
[  690.060896]  discover_timer+0x50/0x60
[  690.064694]  call_timer_fn+0x272/0x920
[  690.068578]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.073429]  ? process_timeout+0x40/0x40
[  690.077495]  ? __run_timers+0x7da/0xc70
[  690.081469]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.085960]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.090452]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.095306]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.099888]  ? trace_hardirqs_on+0xbd/0x310
[  690.104209]  ? kasan_check_read+0x11/0x20
[  690.108353]  ? __run_timers+0x7da/0xc70
[  690.112327]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.117448]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.122321]  __run_timers+0x7e5/0xc70
[  690.126129]  ? timer_fixup_init+0x70/0x70
[  690.130274]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  690.135285]  ? zap_class+0x640/0x640
[  690.139015]  ? enqueue_hrtimer+0x1a5/0x560
[  690.143246]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  690.148443]  ? find_held_lock+0x36/0x1c0
[  690.152503]  ? zap_class+0x640/0x640
[  690.156230]  ? pvclock_read_flags+0x160/0x160
[  690.160732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.166287]  ? check_preemption_disabled+0x48/0x280
[  690.171305]  ? __lock_is_held+0xb5/0x140
[  690.175375]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.180919]  ? check_preemption_disabled+0x48/0x280
[  690.185933]  run_timer_softirq+0x52/0xb0
[  690.190005]  ? rcu_read_lock_sched_held+0x14f/0x180
[  690.195034]  __do_softirq+0x308/0xb7e
[  690.198835]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  690.203337]  ? lock_downgrade+0x900/0x900
[  690.207482]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  690.212584]  ? pvclock_read_flags+0x160/0x160
[  690.217072]  ? lapic_next_event+0x5a/0x90
[  690.221212]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.226762]  ? kvm_clock_read+0x18/0x30
[  690.230733]  ? kvm_sched_clock_read+0x9/0x20
[  690.235143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.240690]  ? check_preemption_disabled+0x48/0x280
[  690.245735]  irq_exit+0x17f/0x1c0
[  690.249181]  smp_apic_timer_interrupt+0x1cb/0x760
[  690.254049]  ? smp_reschedule_interrupt+0x109/0x650
[  690.259073]  ? smp_call_function_single_interrupt+0x650/0x650
[  690.264979]  ? interrupt_entry+0xb5/0xc0
[  690.269036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.274052]  ? trace_hardirqs_off_caller+0xbb/0x310
[  690.279067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.283919]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.288928]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.293948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.298795]  apic_timer_interrupt+0xf/0x20
[  690.303045]  </IRQ>
[  690.305274] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  690.310197] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  690.329103] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  690.336820] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  690.344081] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  690.351356] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  690.358617] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  690.365878] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  690.373184]  skb_clone+0x1bb/0x500
[  690.376716]  ? finish_task_switch+0x2f4/0x910
[  690.381205]  ? skb_split+0x11e0/0x11e0
[  690.385089]  ? preempt_notifier_register+0x200/0x200
[  690.390182]  ? __switch_to_asm+0x34/0x70
[  690.394233]  ? __switch_to_asm+0x34/0x70
[  690.398285]  ? __switch_to_asm+0x40/0x70
[  690.402341]  ? __switch_to_asm+0x34/0x70
[  690.406396]  ? __switch_to_asm+0x40/0x70
[  690.410471]  ? __switch_to_asm+0x34/0x70
[  690.414529]  ? __switch_to_asm+0x40/0x70
[  690.418600]  ? __switch_to_asm+0x34/0x70
[  690.422657]  ? __switch_to_asm+0x34/0x70
[  690.426710]  ? __switch_to_asm+0x40/0x70
[  690.430766]  ? __switch_to_asm+0x34/0x70
[  690.434846]  bpf_clone_redirect+0xb9/0x490
[  690.439077]  ? __schedule+0x8d7/0x21d0
[  690.442967]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  690.448021]  ? __sched_text_start+0x8/0x8
[  690.452188]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  690.456761]  ? retint_kernel+0x2d/0x2d
[  690.460655]  ? trace_hardirqs_on_caller+0xc0/0x310
[  690.465584]  ? find_held_lock+0x36/0x1c0
[  690.469644]  ? lock_acquire+0x1ed/0x520
[  690.473626]  ? bpf_test_run+0x3ee/0x7a0
[  690.477594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.483123]  ? check_preemption_disabled+0x48/0x280
[  690.488166]  ? kasan_check_read+0x11/0x20
[  690.492336]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.497605]  ? rcu_softirq_qs+0x20/0x20
[  690.501575]  ? preempt_schedule+0x4d/0x60
[  690.505713]  ? ___preempt_schedule+0x16/0x18
[  690.510136]  ? bpf_test_run+0x271/0x7a0
[  690.514147]  ? netlink_diag_dump+0x2a0/0x2a0
[  690.518546]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.524092]  ? bpf_test_init.isra.10+0x70/0x100
[  690.528757]  ? bpf_prog_test_run_skb+0x762/0xd60
[  690.533536]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  690.538373]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  690.543918]  ? fput+0x130/0x1a0
[  690.547206]  ? __bpf_prog_get+0x9b/0x290
[  690.551259]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  690.556106]  ? bpf_prog_test_run+0x130/0x1a0
[  690.560538]  ? __x64_sys_bpf+0x3d8/0x520
[  690.564604]  ? bpf_prog_get+0x20/0x20
[  690.568434]  ? do_syscall_64+0x1b9/0x820
[  690.572486]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  690.577861]  ? syscall_return_slowpath+0x5e0/0x5e0
[  690.582790]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.587632]  ? trace_hardirqs_on_caller+0x310/0x310
[  690.592658]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  690.597683]  ? prepare_exit_to_usermode+0x291/0x3b0
[  690.602747]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  690.607591]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  690.613398] aoe: skb alloc failure
[  690.613553] kworker/1:3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  690.616992] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  690.627468] kworker/1:3 cpuset=/ mems_allowed=0
[  690.637946] syz-executor4 cpuset=syz4 mems_allowed=0
[  690.637973] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  690.654968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  690.664315] Call Trace:
[  690.666894]  <IRQ>
[  690.669042]  dump_stack+0x244/0x39d
[  690.672699]  ? dump_stack_print_info.cold.1+0x20/0x20
[  690.677925]  warn_alloc.cold.116+0xb7/0x1bd
[  690.682256]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  690.687190]  ? lock_downgrade+0x900/0x900
[  690.691351]  ? trace_hardirqs_off+0xb8/0x310
[  690.695759]  ? trace_hardirqs_off+0xb8/0x310
[  690.700190]  __alloc_pages_slowpath+0x2651/0x2de0
[  690.705079]  ? warn_alloc+0x120/0x120
[  690.708899]  ? print_usage_bug+0xc0/0xc0
[  690.712954]  ? warn_alloc+0x120/0x120
[  690.716753]  ? warn_alloc+0x120/0x120
[  690.720560]  ? mark_held_locks+0x130/0x130
[  690.724805]  ? print_usage_bug+0xc0/0xc0
[  690.728880]  ? print_usage_bug+0xc0/0xc0
[  690.732991]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.738519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  690.744063]  ? should_fail+0x22d/0xd01
[  690.747948]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.753043]  ? __lock_acquire+0x62f/0x4c20
[  690.757288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  690.762386]  ? __lock_acquire+0x62f/0x4c20
[  690.766619]  ? should_fail+0x22d/0xd01
[  690.770516]  ? mark_held_locks+0x130/0x130
[  690.774754]  ? mark_held_locks+0x130/0x130
[  690.779006]  ? trace_hardirqs_on+0x310/0x310
[  690.783414]  ? wq_watchdog_touch+0x9c/0xfe
[  690.787661]  ? zap_class+0x640/0x640
[  690.791381]  ? print_usage_bug+0xc0/0xc0
[  690.795464]  ? find_held_lock+0x36/0x1c0
[  690.799541]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.805081]  ? check_preemption_disabled+0x48/0x280
[  690.810122]  ? __lock_is_held+0xb5/0x140
[  690.814186]  __alloc_pages_nodemask+0xad8/0xea0
[  690.818856]  ? zap_class+0x640/0x640
[  690.822573]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  690.827600]  ? find_held_lock+0x36/0x1c0
[  690.831690]  ? ____cache_alloc_node+0x1c7/0x1e0
[  690.836364]  ? lock_downgrade+0x900/0x900
[  690.840519]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.846059]  cache_grow_begin+0xa5/0x8c0
[  690.850123]  ? do_raw_spin_unlock+0xa7/0x330
[  690.854554]  fallback_alloc+0x204/0x2e0
[  690.858535]  ____cache_alloc_node+0x1c7/0x1e0
[  690.863034]  kmem_cache_alloc_node+0xe3/0x730
[  690.867536]  ? ipv6_get_ifaddr+0x42e/0x620
[  690.871790]  __alloc_skb+0x119/0x770
[  690.875506]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  690.880793]  ? netdev_alloc_frag+0x1f0/0x1f0
[  690.885203]  ? lock_downgrade+0x900/0x900
[  690.889360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  690.894908]  ? refcount_sub_and_test_checked+0x203/0x310
[  690.900363]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  690.906034]  ? addrconf_rs_timer+0x690/0x690
[  690.910460]  ndisc_alloc_skb+0x144/0x340
[  690.914523]  ndisc_send_rs+0x331/0x6e0
[  690.918416]  addrconf_rs_timer+0x314/0x690
[  690.922668]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.926914]  call_timer_fn+0x272/0x920
[  690.930818]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.935053]  ? process_timeout+0x40/0x40
[  690.939148]  ? __run_timers+0x7da/0xc70
[  690.943126]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.947622]  ? _raw_spin_unlock_irq+0x27/0x80
[  690.952134]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.956384]  ? lockdep_hardirqs_on+0x296/0x5b0
[  690.960981]  ? trace_hardirqs_on+0xbd/0x310
[  690.965298]  ? kasan_check_read+0x11/0x20
[  690.969447]  ? __run_timers+0x7da/0xc70
[  690.973502]  ? trace_hardirqs_off_caller+0x310/0x310
[  690.978604]  ? aoedev_by_aoeaddr.cold.9+0xba/0xba
[  690.983493]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  690.987755]  __run_timers+0x7e5/0xc70
[  690.991565]  ? timer_fixup_init+0x70/0x70
[  690.995724]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  691.000738]  ? zap_class+0x640/0x640
[  691.004484]  ? enqueue_hrtimer+0x1a5/0x560
[  691.008717]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  691.013918]  ? find_held_lock+0x36/0x1c0
[  691.017997]  ? zap_class+0x640/0x640
[  691.021723]  ? pvclock_read_flags+0x160/0x160
[  691.026227]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.031760]  ? check_preemption_disabled+0x48/0x280
[  691.036804]  ? __lock_is_held+0xb5/0x140
[  691.040864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.046392]  ? check_preemption_disabled+0x48/0x280
[  691.051449]  run_timer_softirq+0x52/0xb0
[  691.055534]  ? rcu_read_lock_sched_held+0x14f/0x180
[  691.060544]  __do_softirq+0x308/0xb7e
[  691.064340]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  691.068826]  ? lock_downgrade+0x900/0x900
[  691.072968]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  691.078068]  ? pvclock_read_flags+0x160/0x160
[  691.082559]  ? lapic_next_event+0x5a/0x90
[  691.086706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.092240]  ? kvm_clock_read+0x18/0x30
[  691.096236]  ? kvm_sched_clock_read+0x9/0x20
[  691.100659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.106226]  ? check_preemption_disabled+0x48/0x280
[  691.111247]  irq_exit+0x17f/0x1c0
[  691.114695]  smp_apic_timer_interrupt+0x1cb/0x760
[  691.119527]  ? smp_reschedule_interrupt+0x109/0x650
[  691.124552]  ? smp_call_function_single_interrupt+0x650/0x650
[  691.130433]  ? interrupt_entry+0xb5/0xc0
[  691.134487]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.139491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  691.144517]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.149402]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.154441]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.159463]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.164306]  apic_timer_interrupt+0xf/0x20
[  691.168530]  </IRQ>
[  691.170763] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  691.175690] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  691.194597] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  691.202333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  691.209608] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  691.216896] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  691.224174] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  691.231472] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  691.238814]  skb_clone+0x1bb/0x500
[  691.242371]  ? finish_task_switch+0x2f4/0x910
[  691.246865]  ? skb_split+0x11e0/0x11e0
[  691.250781]  ? preempt_notifier_register+0x200/0x200
[  691.255912]  ? __switch_to_asm+0x34/0x70
[  691.260003]  ? __switch_to_asm+0x34/0x70
[  691.264062]  ? __switch_to_asm+0x40/0x70
[  691.268119]  ? __switch_to_asm+0x34/0x70
[  691.272178]  ? __switch_to_asm+0x40/0x70
[  691.276238]  ? __switch_to_asm+0x34/0x70
[  691.280293]  ? __switch_to_asm+0x40/0x70
[  691.284349]  ? __switch_to_asm+0x34/0x70
[  691.288412]  ? __switch_to_asm+0x34/0x70
[  691.292477]  ? __switch_to_asm+0x40/0x70
[  691.296534]  ? __switch_to_asm+0x34/0x70
[  691.300630]  bpf_clone_redirect+0xb9/0x490
[  691.304860]  ? __schedule+0x8d7/0x21d0
[  691.308746]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  691.313763]  ? __sched_text_start+0x8/0x8
[  691.317921]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  691.322500]  ? retint_kernel+0x2d/0x2d
[  691.326385]  ? trace_hardirqs_on_caller+0xc0/0x310
[  691.331317]  ? find_held_lock+0x36/0x1c0
[  691.335386]  ? lock_acquire+0x1ed/0x520
[  691.339370]  ? bpf_test_run+0x3ee/0x7a0
[  691.343362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.348929]  ? check_preemption_disabled+0x48/0x280
[  691.353950]  ? kasan_check_read+0x11/0x20
[  691.358097]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.363400]  ? rcu_softirq_qs+0x20/0x20
[  691.367383]  ? preempt_schedule+0x4d/0x60
[  691.371535]  ? ___preempt_schedule+0x16/0x18
[  691.375964]  ? bpf_test_run+0x271/0x7a0
[  691.379946]  ? netlink_diag_dump+0x2a0/0x2a0
[  691.384359]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.389914]  ? bpf_test_init.isra.10+0x70/0x100
[  691.394589]  ? bpf_prog_test_run_skb+0x762/0xd60
[  691.399349]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  691.404194]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  691.409724]  ? fput+0x130/0x1a0
[  691.413003]  ? __bpf_prog_get+0x9b/0x290
[  691.417093]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  691.421938]  ? bpf_prog_test_run+0x130/0x1a0
[  691.426377]  ? __x64_sys_bpf+0x3d8/0x520
[  691.430454]  ? bpf_prog_get+0x20/0x20
[  691.434265]  ? do_syscall_64+0x1b9/0x820
[  691.438319]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  691.443692]  ? syscall_return_slowpath+0x5e0/0x5e0
[  691.448619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.453478]  ? trace_hardirqs_on_caller+0x310/0x310
[  691.458524]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  691.463540]  ? prepare_exit_to_usermode+0x291/0x3b0
[  691.468559]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  691.473405]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  691.478792] CPU: 1 PID: 6223 Comm: kworker/1:3 Not tainted 4.20.0-rc3+ #97
[  691.478794] Mem-Info:
[  691.478825] active_anon:43385 inactive_anon:190 isolated_anon:0
[  691.478825]  active_file:9 inactive_file:19 isolated_file:0
[  691.478825]  unevictable:0 dirty:0 writeback:0 unstable:0
[  691.478825]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  691.478825]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  691.478825]  free:13722 free_pcp:438 free_cma:0
[  691.485851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  691.488288] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  691.521159] Workqueue: events_long br_fdb_cleanup
[  691.530398] 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
[  691.557895] Call Trace:
[  691.562735] lowmem_reserve[]: 0 2818 6321 6321
[  691.588865]  dump_stack+0x244/0x39d
[  691.591443] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  691.596019]  ? dump_stack_print_info.cold.1+0x20/0x20
[  691.599610] lowmem_reserve[]: 0 0 3503 3503
[  691.627132]  warn_alloc.cold.116+0xb7/0x1bd
[  691.632291] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:1160kB free_cma:0kB
[  691.636607]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  691.640903] lowmem_reserve[]: 0 0 0 0
[  691.670049]  ? lock_downgrade+0x900/0x900
[  691.674866] 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
[  691.678668]  ? trace_hardirqs_off+0xb8/0x310
[  691.682794] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  691.696319]  ? trace_hardirqs_off+0xb8/0x310
[  691.700697] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  691.715702]  __alloc_pages_slowpath+0x2651/0x2de0
[  691.720087] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  691.735632]  ? warn_alloc+0x120/0x120
[  691.740455] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  691.749298]  ? warn_alloc+0x120/0x120
[  691.753075] 272 total pagecache pages
[  691.761638]  ? __bfs+0xb0/0x780
[  691.765416] 0 pages in swap cache
[  691.769208]  ? warn_alloc+0x120/0x120
[  691.772469] Swap cache stats: add 0, delete 0, find 0/0
[  691.776110]  ? print_usage_bug+0xc0/0xc0
[  691.779892] Free swap  = 0kB
[  691.785239]  ? lockdep_on+0x50/0x50
[  691.785256]  ? print_bfs_bug+0x80/0x80
[  691.789289] Total swap = 0kB
[  691.792306]  ? update_group_capacity+0x11a0/0x11a0
[  691.795918] 1965979 pages RAM
[  691.799799]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  691.802795] 0 pages HighMem/MovableOnly
[  691.807719]  ? should_fail+0x22d/0xd01
[  691.810797] 342854 pages reserved
[  691.816323]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  691.820270] 0 pages cma reserved
[  691.824165]  ? __lock_acquire+0x62f/0x4c20
[  691.827660] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  691.832685]  ? __lock_acquire+0x2aff/0x4c20
[  691.832698]  ? should_fail+0x22d/0xd01
[  691.832722]  ? mark_held_locks+0x130/0x130
[  691.836118] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  691.840297]  ? mark_held_locks+0x130/0x130
[  691.846779] syz-executor4 cpuset=syz4 mems_allowed=0
[  691.851096]  ? zap_class+0x640/0x640
[  691.882639]  ? mark_held_locks+0x130/0x130
[  691.886880]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.892432]  ? check_preemption_disabled+0x48/0x280
[  691.897472]  ? __lock_is_held+0xb5/0x140
[  691.901544]  __alloc_pages_nodemask+0xad8/0xea0
[  691.906719]  ? zap_class+0x640/0x640
[  691.910446]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  691.915477]  ? find_held_lock+0x36/0x1c0
[  691.919555]  ? ____cache_alloc_node+0x1c7/0x1e0
[  691.924225]  ? lock_downgrade+0x900/0x900
[  691.928383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  691.933928]  cache_grow_begin+0xa5/0x8c0
[  691.937990]  ? do_raw_spin_unlock+0xa7/0x330
[  691.942418]  fallback_alloc+0x204/0x2e0
[  691.946427]  ____cache_alloc_node+0x1c7/0x1e0
[  691.950957]  kmem_cache_alloc_node+0xe3/0x730
[  691.955457]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.960385]  ? kasan_check_read+0x11/0x20
[  691.964547]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  691.969834]  __alloc_skb+0x119/0x770
[  691.973564]  ? netdev_alloc_frag+0x1f0/0x1f0
[  691.978121]  ? call_switchdev_notifiers+0x43/0x60
[  691.983003]  ? br_switchdev_fdb_notify+0xd1/0x5d0
[  691.987848]  ? br_switchdev_set_port_flag+0x3c0/0x3c0
[  691.993039]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  691.997994]  ? kasan_check_read+0x11/0x20
[  692.002158]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.007458]  ? rcu_softirq_qs+0x20/0x20
[  692.011454]  fdb_notify+0x9e/0x180
[  692.015001]  fdb_delete+0x803/0x1200
[  692.018742]  ? fdb_create+0x1710/0x1710
[  692.022725]  ? trace_hardirqs_on+0xbd/0x310
[  692.027061]  ? work_fn+0x5e6/0x7d0
[  692.030662]  ? lock_acquire+0x1ed/0x520
[  692.034633]  ? br_fdb_cleanup+0x186/0x630
[  692.038785]  ? kasan_check_read+0x11/0x20
[  692.042925]  ? do_raw_spin_lock+0x14f/0x350
[  692.047242]  ? rwlock_bug.part.2+0x90/0x90
[  692.051500]  ? rcu_softirq_qs+0x20/0x20
[  692.055511]  br_fdb_cleanup+0x4f0/0x630
[  692.059487]  ? br_fdb_change_mac_address+0x540/0x540
[  692.064606]  ? __lock_is_held+0xb5/0x140
[  692.068676]  process_one_work+0xc90/0x1c40
[  692.072919]  ? mark_held_locks+0x130/0x130
[  692.077194]  ? pwq_dec_nr_in_flight+0x4a0/0x4a0
[  692.081860]  ? __switch_to_asm+0x40/0x70
[  692.085932]  ? __switch_to_asm+0x34/0x70
[  692.089989]  ? __switch_to_asm+0x40/0x70
[  692.094050]  ? __switch_to_asm+0x34/0x70
[  692.098144]  ? __switch_to_asm+0x40/0x70
[  692.102201]  ? __switch_to_asm+0x34/0x70
[  692.106258]  ? __switch_to_asm+0x40/0x70
[  692.110324]  ? __schedule+0x8d7/0x21d0
[  692.114212]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  692.118806]  ? zap_class+0x640/0x640
[  692.122527]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  692.127316]  ? lock_acquire+0x1ed/0x520
[  692.131293]  ? worker_thread+0x3e0/0x1390
[  692.135470]  ? kasan_check_read+0x11/0x20
[  692.139619]  ? do_raw_spin_lock+0x14f/0x350
[  692.143938]  ? kasan_check_read+0x11/0x20
[  692.148084]  ? rwlock_bug.part.2+0x90/0x90
[  692.152320]  ? trace_hardirqs_on+0x310/0x310
[  692.156745]  worker_thread+0x17f/0x1390
[  692.160719]  ? __switch_to_asm+0x34/0x70
[  692.164791]  ? process_one_work+0x1c40/0x1c40
[  692.169311]  ? __sched_text_start+0x8/0x8
[  692.173484]  ? __kthread_parkme+0xce/0x1a0
[  692.177738]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  692.182842]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  692.187947]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  692.192531]  ? trace_hardirqs_on+0xbd/0x310
[  692.196877]  ? kasan_check_read+0x11/0x20
[  692.201030]  ? __kthread_parkme+0xce/0x1a0
[  692.205270]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.210390]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  692.215500]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.221035]  ? __kthread_parkme+0xfb/0x1a0
[  692.225270]  ? process_one_work+0x1c40/0x1c40
[  692.229766]  kthread+0x35a/0x440
[  692.233128]  ? kthread_stop+0x900/0x900
[  692.237098]  ret_from_fork+0x3a/0x50
[  692.240827] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  692.240829] Mem-Info:
[  692.240857] active_anon:43385 inactive_anon:190 isolated_anon:0
[  692.240857]  active_file:9 inactive_file:19 isolated_file:0
[  692.240857]  unevictable:0 dirty:0 writeback:0 unstable:0
[  692.240857]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  692.240857]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  692.240857]  free:13722 free_pcp:438 free_cma:0
[  692.247954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  692.250393] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  692.283143] Call Trace:
[  692.292625] 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
[  692.320200]  <IRQ>
[  692.322769] lowmem_reserve[]: 0 2818 6321 6321
[  692.348879]  dump_stack+0x244/0x39d
[  692.351021] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  692.355613]  ? dump_stack_print_info.cold.1+0x20/0x20
[  692.359212] lowmem_reserve[]: 0 0 3503 3503
[  692.386551]  warn_alloc.cold.116+0xb7/0x1bd
[  692.391713] Node 0 Normal free:13812kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6880kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  692.396024]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  692.400326] lowmem_reserve[]: 0 0 0 0
[  692.429296]  ? lock_downgrade+0x900/0x900
[  692.434111] 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
[  692.437931]  ? trace_hardirqs_off+0xb8/0x310
[  692.442070] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  692.455612]  ? trace_hardirqs_off+0xb8/0x310
[  692.460012] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 84*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13844kB
[  692.475021]  __alloc_pages_slowpath+0x2651/0x2de0
[  692.479407] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  692.494948]  ? warn_alloc+0x120/0x120
[  692.499762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  692.508581]  ? print_usage_bug+0xc0/0xc0
[  692.512352] 272 total pagecache pages
[  692.520936]  ? warn_alloc+0x120/0x120
[  692.524976] 0 pages in swap cache
[  692.528771]  ? warn_alloc+0x120/0x120
[  692.532560] Swap cache stats: add 0, delete 0, find 0/0
[  692.535997]  ? print_usage_bug+0xc0/0xc0
[  692.539779] Free swap  = 0kB
[  692.539787] Total swap = 0kB
[  692.545136]  ? print_usage_bug+0xc0/0xc0
[  692.549202] 1965979 pages RAM
[  692.552205]  ? __lock_acquire+0x62f/0x4c20
[  692.555201] 0 pages HighMem/MovableOnly
[  692.555223] 342854 pages reserved
[  692.559273]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  692.562352] 0 pages cma reserved
[  692.566576]  ? should_fail+0x22d/0xd01
[  692.571566] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  692.574008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.579536] ksoftirqd/1 cpuset=/ mems_allowed=0
[  692.582893]  ? __lock_acquire+0x62f/0x4c20
[  692.611034]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  692.616146]  ? __lock_acquire+0x62f/0x4c20
[  692.620381]  ? should_fail+0x22d/0xd01
[  692.624270]  ? find_held_lock+0x36/0x1c0
[  692.628339]  ? mark_held_locks+0x130/0x130
[  692.632579]  ? mark_held_locks+0x130/0x130
[  692.636815]  ? zap_class+0x640/0x640
[  692.640528]  ? zap_class+0x640/0x640
[  692.644248]  ? print_usage_bug+0xc0/0xc0
[  692.648310]  ? do_raw_spin_unlock+0xa7/0x330
[  692.652717]  ? zap_class+0x640/0x640
[  692.656439]  ? print_usage_bug+0xc0/0xc0
[  692.660498]  ? wq_watchdog_touch+0x9c/0xfe
[  692.664752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.670291]  ? check_preemption_disabled+0x48/0x280
[  692.675321]  ? __lock_is_held+0xb5/0x140
[  692.679389]  __alloc_pages_nodemask+0xad8/0xea0
[  692.684066]  ? zap_class+0x640/0x640
[  692.687794]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  692.692820]  ? find_held_lock+0x36/0x1c0
[  692.696891]  ? ____cache_alloc_node+0x1c7/0x1e0
[  692.701562]  ? lock_downgrade+0x900/0x900
[  692.705719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.711261]  cache_grow_begin+0xa5/0x8c0
[  692.715322]  ? do_raw_spin_unlock+0xa7/0x330
[  692.719737]  fallback_alloc+0x204/0x2e0
[  692.723739]  ____cache_alloc_node+0x1c7/0x1e0
[  692.728243]  kmem_cache_alloc_node+0xe3/0x730
[  692.732789]  ? ipv6_get_ifaddr+0x42e/0x620
[  692.737035]  __alloc_skb+0x119/0x770
[  692.740750]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  692.746080]  ? netdev_alloc_frag+0x1f0/0x1f0
[  692.750484]  ? lock_downgrade+0x900/0x900
[  692.754636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.760171]  ? refcount_sub_and_test_checked+0x203/0x310
[  692.765622]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  692.771071]  ? addrconf_rs_timer+0x690/0x690
[  692.775593]  ndisc_alloc_skb+0x144/0x340
[  692.779660]  ndisc_send_rs+0x331/0x6e0
[  692.783553]  addrconf_rs_timer+0x314/0x690
[  692.787817]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.792073]  call_timer_fn+0x272/0x920
[  692.795975]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.800211]  ? process_timeout+0x40/0x40
[  692.804366]  ? __run_timers+0x7da/0xc70
[  692.808341]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.812846]  ? _raw_spin_unlock_irq+0x27/0x80
[  692.817344]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.821588]  ? lockdep_hardirqs_on+0x296/0x5b0
[  692.826168]  ? trace_hardirqs_on+0xbd/0x310
[  692.830508]  ? kasan_check_read+0x11/0x20
[  692.834649]  ? __run_timers+0x7da/0xc70
[  692.838617]  ? trace_hardirqs_off_caller+0x310/0x310
[  692.843748]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.848023]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  692.852265]  __run_timers+0x7e5/0xc70
[  692.856071]  ? timer_fixup_init+0x70/0x70
[  692.860218]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  692.865245]  ? zap_class+0x640/0x640
[  692.868969]  ? enqueue_hrtimer+0x1a5/0x560
[  692.873225]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  692.878439]  ? find_held_lock+0x36/0x1c0
[  692.882502]  ? zap_class+0x640/0x640
[  692.886215]  ? pvclock_read_flags+0x160/0x160
[  692.890722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.896255]  ? check_preemption_disabled+0x48/0x280
[  692.901277]  ? __lock_is_held+0xb5/0x140
[  692.905503]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.911047]  ? check_preemption_disabled+0x48/0x280
[  692.916062]  run_timer_softirq+0x52/0xb0
[  692.920119]  ? rcu_read_lock_sched_held+0x14f/0x180
[  692.925131]  __do_softirq+0x308/0xb7e
[  692.928933]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  692.933443]  ? lock_downgrade+0x900/0x900
[  692.937603]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  692.942707]  ? pvclock_read_flags+0x160/0x160
[  692.947219]  ? lapic_next_event+0x5a/0x90
[  692.951364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.956918]  ? kvm_clock_read+0x18/0x30
[  692.960891]  ? kvm_sched_clock_read+0x9/0x20
[  692.965299]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  692.970841]  ? check_preemption_disabled+0x48/0x280
[  692.975862]  irq_exit+0x17f/0x1c0
[  692.979323]  smp_apic_timer_interrupt+0x1cb/0x760
[  692.984198]  ? smp_reschedule_interrupt+0x109/0x650
[  692.989217]  ? smp_call_function_single_interrupt+0x650/0x650
[  692.995097]  ? interrupt_entry+0xb5/0xc0
[  692.999181]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.004197]  ? trace_hardirqs_off_caller+0xbb/0x310
[  693.009220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.014062]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.019090]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.024149]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.029007]  apic_timer_interrupt+0xf/0x20
[  693.033240]  </IRQ>
[  693.035478] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  693.040458] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  693.059353] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  693.067056] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  693.074335] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  693.081603] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  693.088870] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  693.096132] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  693.103449]  skb_clone+0x1bb/0x500
[  693.107024]  ? finish_task_switch+0x2f4/0x910
[  693.111528]  ? skb_split+0x11e0/0x11e0
[  693.115440]  ? preempt_notifier_register+0x200/0x200
[  693.120568]  ? __switch_to_asm+0x34/0x70
[  693.124644]  ? __switch_to_asm+0x34/0x70
[  693.128719]  ? __switch_to_asm+0x40/0x70
[  693.132781]  ? __switch_to_asm+0x34/0x70
[  693.136839]  ? __switch_to_asm+0x40/0x70
[  693.140906]  ? __switch_to_asm+0x34/0x70
[  693.144962]  ? __switch_to_asm+0x40/0x70
[  693.149033]  ? __switch_to_asm+0x34/0x70
[  693.153104]  ? __switch_to_asm+0x34/0x70
[  693.157157]  ? __switch_to_asm+0x40/0x70
[  693.161228]  ? __switch_to_asm+0x34/0x70
[  693.165288]  bpf_clone_redirect+0xb9/0x490
[  693.169583]  ? __schedule+0x8d7/0x21d0
[  693.173491]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  693.178524]  ? __sched_text_start+0x8/0x8
[  693.182674]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  693.187252]  ? retint_kernel+0x2d/0x2d
[  693.191136]  ? trace_hardirqs_on_caller+0xc0/0x310
[  693.196067]  ? find_held_lock+0x36/0x1c0
[  693.200162]  ? lock_acquire+0x1ed/0x520
[  693.204138]  ? bpf_test_run+0x3ee/0x7a0
[  693.208114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.213669]  ? check_preemption_disabled+0x48/0x280
[  693.218704]  ? kasan_check_read+0x11/0x20
[  693.222859]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.228132]  ? rcu_softirq_qs+0x20/0x20
[  693.232105]  ? preempt_schedule+0x4d/0x60
[  693.236276]  ? ___preempt_schedule+0x16/0x18
[  693.240727]  ? bpf_test_run+0x271/0x7a0
[  693.244713]  ? netlink_diag_dump+0x2a0/0x2a0
[  693.249124]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.254658]  ? bpf_test_init.isra.10+0x70/0x100
[  693.259326]  ? bpf_prog_test_run_skb+0x762/0xd60
[  693.264086]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  693.268932]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  693.274465]  ? fput+0x130/0x1a0
[  693.277743]  ? __bpf_prog_get+0x9b/0x290
[  693.281828]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  693.286668]  ? bpf_prog_test_run+0x130/0x1a0
[  693.291077]  ? __x64_sys_bpf+0x3d8/0x520
[  693.295134]  ? bpf_prog_get+0x20/0x20
[  693.298951]  ? do_syscall_64+0x1b9/0x820
[  693.303012]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  693.308371]  ? syscall_return_slowpath+0x5e0/0x5e0
[  693.313309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.318164]  ? trace_hardirqs_on_caller+0x310/0x310
[  693.323175]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  693.328190]  ? prepare_exit_to_usermode+0x291/0x3b0
[  693.333225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  693.338074]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  693.343463] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #97
[  693.343530] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  693.350308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  693.350316] Call Trace:
[  693.356885] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  693.366171]  dump_stack+0x244/0x39d
[  693.368733] syz-executor4 cpuset=syz4 mems_allowed=0
[  693.379206]  ? dump_stack_print_info.cold.1+0x20/0x20
[  693.393822]  warn_alloc.cold.116+0xb7/0x1bd
[  693.398143]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  693.402983]  ? lock_downgrade+0x900/0x900
[  693.407137]  ? trace_hardirqs_off+0xb8/0x310
[  693.411568]  ? trace_hardirqs_off+0xb8/0x310
[  693.415982]  __alloc_pages_slowpath+0x2651/0x2de0
[  693.420854]  ? warn_alloc+0x120/0x120
[  693.424658]  ? warn_alloc+0x120/0x120
[  693.428461]  ? warn_alloc+0x120/0x120
[  693.432279]  ? print_usage_bug+0xc0/0xc0
[  693.436356]  ? print_usage_bug+0xc0/0xc0
[  693.440455]  ? mark_held_locks+0x130/0x130
[  693.444692]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  693.450225]  ? should_fail+0x22d/0xd01
[  693.454110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.459208]  ? __lock_acquire+0x62f/0x4c20
[  693.463458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  693.468557]  ? should_fail+0x22d/0xd01
[  693.472455]  ? mark_held_locks+0x130/0x130
[  693.476686]  ? mark_held_locks+0x130/0x130
[  693.480918]  ? kasan_check_read+0x11/0x20
[  693.485061]  ? __zone_watermark_ok+0x330/0x7b0
[  693.489636]  ? debug_object_activate+0x402/0x600
[  693.494390]  ? free_unref_page_list+0x11e0/0x11e0
[  693.499238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.504797]  ? check_preemption_disabled+0x48/0x280
[  693.509819]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  693.515356]  ? rcu_pm_notify+0xc0/0xc0
[  693.519262]  __alloc_pages_nodemask+0xad8/0xea0
[  693.523940]  ? zap_class+0x640/0x640
[  693.527656]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  693.532704]  ? find_held_lock+0x36/0x1c0
[  693.536785]  ? ____cache_alloc_node+0x1c7/0x1e0
[  693.541471]  ? lock_downgrade+0x900/0x900
[  693.545625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.551163]  cache_grow_begin+0xa5/0x8c0
[  693.555217]  ? do_raw_spin_unlock+0xa7/0x330
[  693.559626]  fallback_alloc+0x204/0x2e0
[  693.563610]  ____cache_alloc_node+0x1c7/0x1e0
[  693.568129]  kmem_cache_alloc+0x1f8/0x730
[  693.572299]  __build_skb+0xab/0x430
[  693.575925]  ? rcu_read_lock_sched_held+0x14f/0x180
[  693.581042]  ? skb_try_coalesce+0x1b70/0x1b70
[  693.585558]  ? __alloc_pages_nodemask+0xea0/0xea0
[  693.590395]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.595938]  ? check_preemption_disabled+0x48/0x280
[  693.600957]  __napi_alloc_skb+0x1d6/0x310
[  693.605141]  page_to_skb.isra.45+0xee/0x8d0
[  693.609504]  ? check_preemption_disabled+0x48/0x280
[  693.614520]  ? virtnet_remove+0xf0/0xf0
[  693.618529]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  693.623459]  ? kasan_check_read+0x11/0x20
[  693.627604]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  693.632875]  ? rcu_softirq_qs+0x20/0x20
[  693.636857]  receive_mergeable+0x155d/0x3a90
[  693.641282]  ? virtnet_probe+0x2240/0x2240
[  693.645544]  ? __lock_acquire+0x62f/0x4c20
[  693.649782]  ? mark_held_locks+0x130/0x130
[  693.654052]  ? mark_held_locks+0x130/0x130
[  693.658290]  ? mark_held_locks+0x130/0x130
[  693.662520]  ? print_usage_bug+0xc0/0xc0
[  693.666580]  ? mark_held_locks+0x130/0x130
[  693.670811]  ? zap_class+0x640/0x640
[  693.674522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.680111]  ? wakeup_kcompactd+0x2f6/0x730
[  693.684469]  ? compaction_unregister_node+0x20/0x20
[  693.689504]  ? zap_class+0x640/0x640
[  693.693222]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.698820]  ? __cpuset_node_allowed+0x19b/0x660
[  693.703575]  ? check_preemption_disabled+0x48/0x280
[  693.708613]  ? zap_class+0x640/0x640
[  693.712336]  ? wakeup_kswapd+0x304/0x7a0
[  693.716416]  ? isolate_lru_page+0x22e0/0x22e0
[  693.720934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  693.725805]  ? lock_downgrade+0x900/0x900
[  693.729976]  ? trace_hardirqs_off+0xb8/0x310
[  693.734393]  ? trace_hardirqs_off+0xb8/0x310
[  693.738817]  ? __alloc_pages_slowpath+0x2651/0x2de0
[  693.743872]  ? print_usage_bug+0xc0/0xc0
[  693.747927]  ? print_usage_bug+0xc0/0xc0
[  693.752007]  ? warn_alloc+0x120/0x120
[  693.755849]  ? __lock_acquire+0x62f/0x4c20
[  693.760097]  ? print_usage_bug+0xc0/0xc0
[  693.764157]  ? print_usage_bug+0xc0/0xc0
[  693.768245]  ? update_curr+0x4cf/0xbd0
[  693.772159]  ? print_usage_bug+0xc0/0xc0
[  693.776244]  ? print_usage_bug+0xc0/0xc0
[  693.780320]  receive_buf+0xb3c/0x3270
[  693.784190]  ? print_usage_bug+0xc0/0xc0
[  693.788296]  ? __lock_acquire+0x62f/0x4c20
[  693.792563]  ? receive_mergeable+0x3a90/0x3a90
[  693.797151]  ? print_usage_bug+0xc0/0xc0
[  693.801211]  ? __lock_acquire+0x62f/0x4c20
[  693.805445]  ? mark_held_locks+0x130/0x130
[  693.809675]  ? mark_held_locks+0x130/0x130
[  693.813916]  ? zap_class+0x640/0x640
[  693.817705]  ? __lock_acquire+0x62f/0x4c20
[  693.821946]  ? find_held_lock+0x36/0x1c0
[  693.826031]  ? mark_held_locks+0x130/0x130
[  693.830260]  ? print_usage_bug+0xc0/0xc0
[  693.834331]  ? lock_downgrade+0x900/0x900
[  693.838487]  ? zap_class+0x640/0x640
[  693.842212]  ? find_held_lock+0x36/0x1c0
[  693.846280]  ? print_usage_bug+0xc0/0xc0
[  693.850337]  ? zap_class+0x640/0x640
[  693.854141]  ? zap_class+0x640/0x640
[  693.857851]  ? print_usage_bug+0xc0/0xc0
[  693.861941]  ? debug_object_activate+0x402/0x600
[  693.866730]  ? lock_downgrade+0x900/0x900
[  693.870880]  ? zap_class+0x640/0x640
[  693.874598]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  693.880133]  ? __radix_tree_lookup+0x3a7/0x500
[  693.884715]  ? zap_class+0x640/0x640
[  693.888444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.894002]  ? vring_use_dma_api+0xa5/0xc0
[  693.898234]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  693.903766]  ? vring_unmap_one+0x5a/0x410
[  693.907919]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  693.913453]  ? detach_buf+0x34b/0x5d0
[  693.917261]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  693.922796]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  693.927547]  ? lock_downgrade+0x900/0x900
[  693.931720]  ? virtqueue_detach_unused_buf+0x220/0x220
[  693.937015]  ? __lock_acquire+0x62f/0x4c20
[  693.941246]  ? do_raw_spin_unlock+0xa7/0x330
[  693.945748]  ? do_raw_spin_trylock+0x270/0x270
[  693.950331]  virtnet_poll+0x421/0x105f
[  693.954244]  ? receive_buf+0x3270/0x3270
[  693.958310]  ? flush_rcu_work+0x90/0x90
[  693.962351]  ? estimation_timer+0x5d0/0x890
[  693.966676]  ? net_rx_action+0x4b5/0x19b0
[  693.970834]  ? net_rx_action+0x4b5/0x19b0
[  693.975000]  ? lockdep_hardirqs_on+0x296/0x5b0
[  693.979596]  ? call_timer_fn+0x2c0/0x920
[  693.983656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  693.989208]  ? check_preemption_disabled+0x48/0x280
[  693.994229]  net_rx_action+0x7fa/0x19b0
[  693.998232]  ? napi_complete_done+0x7c0/0x7c0
[  694.002746]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  694.007791]  ? find_held_lock+0x36/0x1c0
[  694.011863]  ? __run_timers+0xa20/0xc70
[  694.015855]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.020346]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.024839]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.029430]  ? trace_hardirqs_on+0xbd/0x310
[  694.033750]  ? kasan_check_read+0x11/0x20
[  694.037896]  ? __run_timers+0xa20/0xc70
[  694.041876]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.047430]  ? _raw_spin_unlock_irq+0x60/0x80
[  694.051927]  ? __run_timers+0xa4a/0xc70
[  694.055899]  ? remove_entity_load_avg+0x228/0x2e0
[  694.060742]  ? __free_pages+0x149/0x190
[  694.064715]  ? timer_fixup_init+0x70/0x70
[  694.068873]  ? __phys_addr+0xa6/0x120
[  694.072680]  ? kasan_check_write+0x14/0x20
[  694.076933]  ? finish_task_switch+0x615/0x910
[  694.081428]  ? __switch_to_asm+0x40/0x70
[  694.085491]  ? preempt_notifier_register+0x200/0x200
[  694.090592]  ? __switch_to_asm+0x34/0x70
[  694.094700]  ? __switch_to_asm+0x40/0x70
[  694.098783]  ? __switch_to_asm+0x34/0x70
[  694.102835]  ? __switch_to_asm+0x40/0x70
[  694.106916]  ? __switch_to_asm+0x34/0x70
[  694.110988]  ? __switch_to_asm+0x40/0x70
[  694.115074]  ? pvclock_read_flags+0x160/0x160
[  694.119583]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.125136]  ? check_preemption_disabled+0x48/0x280
[  694.130154]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  694.135688]  ? rcu_pm_notify+0xc0/0xc0
[  694.139597]  __do_softirq+0x308/0xb7e
[  694.143411]  ? trace_hardirqs_on_caller+0xc0/0x310
[  694.148378]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.153488]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  694.158967]  ? schedule+0x108/0x460
[  694.162589]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  694.167354]  ? trace_hardirqs_off+0xb8/0x310
[  694.171786]  ? smpboot_thread_fn+0x68b/0xa00
[  694.176210]  ? trace_hardirqs_on+0x310/0x310
[  694.180618]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.186164]  ? check_preemption_disabled+0x48/0x280
[  694.191174]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.196743]  ? takeover_tasklets+0xa90/0xa90
[  694.201152]  run_ksoftirqd+0x5e/0x100
[  694.204945]  smpboot_thread_fn+0x68b/0xa00
[  694.209176]  ? sort_range+0x30/0x30
[  694.212798]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  694.217891]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.223426]  ? __kthread_parkme+0xfb/0x1a0
[  694.227674]  ? sort_range+0x30/0x30
[  694.231311]  kthread+0x35a/0x440
[  694.234673]  ? kthread_stop+0x900/0x900
[  694.238641]  ret_from_fork+0x3a/0x50
[  694.242382] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  694.242387] warn_alloc_show_mem: 1 callbacks suppressed
[  694.242393] Mem-Info:
[  694.249532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  694.254893] active_anon:43385 inactive_anon:190 isolated_anon:0
[  694.254893]  active_file:9 inactive_file:19 isolated_file:0
[  694.254893]  unevictable:0 dirty:0 writeback:0 unstable:0
[  694.254893]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  694.254893]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  694.254893]  free:13754 free_pcp:438 free_cma:0
[  694.257262] Call Trace:
[  694.266649] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  694.299431]  <IRQ>
[  694.301997] 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
[  694.329483]  dump_stack+0x244/0x39d
[  694.331607] lowmem_reserve[]: 0 2818 6321 6321
[  694.357712]  ? dump_stack_print_info.cold.1+0x20/0x20
[  694.361312] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  694.365890]  warn_alloc.cold.116+0xb7/0x1bd
[  694.371090] lowmem_reserve[]: 0 0 3503 3503
[  694.398426]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  694.402737] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  694.407061]  ? lock_downgrade+0x900/0x900
[  694.411876] lowmem_reserve[]: 0 0 0 0
[  694.440853]  ? trace_hardirqs_off+0xb8/0x310
[  694.444968] 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
[  694.448789]  ? trace_hardirqs_off+0xb8/0x310
[  694.453163] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  694.466698]  __alloc_pages_slowpath+0x2651/0x2de0
[  694.471074] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 88*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13972kB
[  694.486079]  ? warn_alloc+0x120/0x120
[  694.490884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  694.506399]  ? print_usage_bug+0xc0/0xc0
[  694.510179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  694.518995]  ? warn_alloc+0x120/0x120
[  694.523033] 272 total pagecache pages
[  694.531612]  ? warn_alloc+0x120/0x120
[  694.531626]  ? print_usage_bug+0xc0/0xc0
[  694.535430] 0 pages in swap cache
[  694.539222]  ? kvm_clock_read+0x18/0x30
[  694.543027] Swap cache stats: add 0, delete 0, find 0/0
[  694.547139]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  694.550564] Free swap  = 0kB
[  694.554527]  ? print_usage_bug+0xc0/0xc0
[  694.559863] Total swap = 0kB
[  694.564898]  ? __lock_acquire+0x62f/0x4c20
[  694.567892] 1965979 pages RAM
[  694.571941]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  694.574938] 0 pages HighMem/MovableOnly
[  694.579191]  ? should_fail+0x22d/0xd01
[  694.582289] 342854 pages reserved
[  694.587814]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.591760] 0 pages cma reserved
[  694.595637]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.599193] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  694.604322]  ? __lock_acquire+0x62f/0x4c20
[  694.607664] ksoftirqd/1 cpuset=/ mems_allowed=0
[  694.612757]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  694.637058]  ? __lock_acquire+0x62f/0x4c20
[  694.641290]  ? should_fail+0x22d/0xd01
[  694.645171]  ? rcu_irq_exit+0x1a2/0x390
[  694.649146]  ? mark_held_locks+0x130/0x130
[  694.653380]  ? mark_held_locks+0x130/0x130
[  694.657612]  ? mark_held_locks+0xc7/0x130
[  694.661751]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  694.666787]  ? zap_class+0x640/0x640
[  694.670497]  ? print_usage_bug+0xc0/0xc0
[  694.674567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.680116]  ? check_preemption_disabled+0x48/0x280
[  694.685153]  ? __lock_is_held+0xb5/0x140
[  694.689232]  __alloc_pages_nodemask+0xad8/0xea0
[  694.693902]  ? zap_class+0x640/0x640
[  694.697622]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  694.702654]  ? find_held_lock+0x36/0x1c0
[  694.706722]  ? ____cache_alloc_node+0x1c7/0x1e0
[  694.711390]  ? lock_downgrade+0x900/0x900
[  694.715548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.721086]  cache_grow_begin+0xa5/0x8c0
[  694.725168]  ? do_raw_spin_unlock+0xa7/0x330
[  694.729578]  fallback_alloc+0x204/0x2e0
[  694.733551]  ____cache_alloc_node+0x1c7/0x1e0
[  694.738061]  kmem_cache_alloc_node+0xe3/0x730
[  694.742553]  ? ipv6_get_ifaddr+0x42e/0x620
[  694.746796]  __alloc_skb+0x119/0x770
[  694.750557]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  694.755837]  ? netdev_alloc_frag+0x1f0/0x1f0
[  694.760242]  ? lock_downgrade+0x900/0x900
[  694.764397]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.769946]  ? refcount_sub_and_test_checked+0x203/0x310
[  694.775559]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  694.781004]  ? addrconf_rs_timer+0x690/0x690
[  694.785427]  ndisc_alloc_skb+0x144/0x340
[  694.789520]  ndisc_send_rs+0x331/0x6e0
[  694.793430]  addrconf_rs_timer+0x314/0x690
[  694.797663]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.801899]  call_timer_fn+0x272/0x920
[  694.805831]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.810089]  ? process_timeout+0x40/0x40
[  694.814154]  ? __run_timers+0x7da/0xc70
[  694.818133]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.822640]  ? _raw_spin_unlock_irq+0x27/0x80
[  694.827130]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.831357]  ? lockdep_hardirqs_on+0x296/0x5b0
[  694.835933]  ? trace_hardirqs_on+0xbd/0x310
[  694.840245]  ? kasan_check_read+0x11/0x20
[  694.844394]  ? __run_timers+0x7da/0xc70
[  694.848391]  ? trace_hardirqs_off_caller+0x310/0x310
[  694.853508]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.857741]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  694.862005]  __run_timers+0x7e5/0xc70
[  694.865825]  ? timer_fixup_init+0x70/0x70
[  694.869975]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  694.875021]  ? zap_class+0x640/0x640
[  694.878764]  ? enqueue_hrtimer+0x1a5/0x560
[  694.883000]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  694.888237]  ? find_held_lock+0x36/0x1c0
[  694.892299]  ? zap_class+0x640/0x640
[  694.896011]  ? pvclock_read_flags+0x160/0x160
[  694.900504]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.906208]  ? check_preemption_disabled+0x48/0x280
[  694.911237]  ? __lock_is_held+0xb5/0x140
[  694.915311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.920845]  ? check_preemption_disabled+0x48/0x280
[  694.925858]  run_timer_softirq+0x52/0xb0
[  694.929920]  ? rcu_read_lock_sched_held+0x14f/0x180
[  694.934952]  __do_softirq+0x308/0xb7e
[  694.938752]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  694.943243]  ? lock_downgrade+0x900/0x900
[  694.947427]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  694.952563]  ? pvclock_read_flags+0x160/0x160
[  694.957076]  ? lapic_next_event+0x5a/0x90
[  694.961217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.966848]  ? kvm_clock_read+0x18/0x30
[  694.970841]  ? kvm_sched_clock_read+0x9/0x20
[  694.975245]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  694.980782]  ? check_preemption_disabled+0x48/0x280
[  694.985805]  irq_exit+0x17f/0x1c0
[  694.989292]  smp_apic_timer_interrupt+0x1cb/0x760
[  694.994125]  ? smp_reschedule_interrupt+0x109/0x650
[  694.999141]  ? smp_call_function_single_interrupt+0x650/0x650
[  695.005015]  ? interrupt_entry+0xb5/0xc0
[  695.009088]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.014123]  ? trace_hardirqs_off_caller+0xbb/0x310
[  695.019140]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.024021]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.029035]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.034055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.038899]  apic_timer_interrupt+0xf/0x20
[  695.043183]  </IRQ>
[  695.045436] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  695.050362] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  695.069255] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  695.076957] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  695.084238] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  695.091505] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  695.098766] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  695.106033] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  695.113327]  skb_clone+0x1bb/0x500
[  695.116868]  ? finish_task_switch+0x2f4/0x910
[  695.121362]  ? skb_split+0x11e0/0x11e0
[  695.125246]  ? preempt_notifier_register+0x200/0x200
[  695.130340]  ? __switch_to_asm+0x34/0x70
[  695.134392]  ? __switch_to_asm+0x34/0x70
[  695.138464]  ? __switch_to_asm+0x40/0x70
[  695.142532]  ? __switch_to_asm+0x34/0x70
[  695.146586]  ? __switch_to_asm+0x40/0x70
[  695.150641]  ? __switch_to_asm+0x34/0x70
[  695.154711]  ? __switch_to_asm+0x40/0x70
[  695.158765]  ? __switch_to_asm+0x34/0x70
[  695.162842]  ? __switch_to_asm+0x34/0x70
[  695.166898]  ? __switch_to_asm+0x40/0x70
[  695.170951]  ? __switch_to_asm+0x34/0x70
[  695.175007]  bpf_clone_redirect+0xb9/0x490
[  695.179234]  ? __schedule+0x8d7/0x21d0
[  695.183127]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  695.188139]  ? __sched_text_start+0x8/0x8
[  695.192282]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  695.196855]  ? retint_kernel+0x2d/0x2d
[  695.200736]  ? trace_hardirqs_on_caller+0xc0/0x310
[  695.205666]  ? find_held_lock+0x36/0x1c0
[  695.209731]  ? lock_acquire+0x1ed/0x520
[  695.213701]  ? bpf_test_run+0x3ee/0x7a0
[  695.217668]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.223215]  ? check_preemption_disabled+0x48/0x280
[  695.228228]  ? kasan_check_read+0x11/0x20
[  695.232383]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.237668]  ? rcu_softirq_qs+0x20/0x20
[  695.241637]  ? preempt_schedule+0x4d/0x60
[  695.245795]  ? ___preempt_schedule+0x16/0x18
[  695.250201]  ? bpf_test_run+0x271/0x7a0
[  695.254176]  ? netlink_diag_dump+0x2a0/0x2a0
[  695.258578]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.264129]  ? bpf_test_init.isra.10+0x70/0x100
[  695.268811]  ? bpf_prog_test_run_skb+0x762/0xd60
[  695.273567]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  695.278504]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  695.284035]  ? fput+0x130/0x1a0
[  695.287310]  ? __bpf_prog_get+0x9b/0x290
[  695.291365]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  695.296199]  ? bpf_prog_test_run+0x130/0x1a0
[  695.300604]  ? __x64_sys_bpf+0x3d8/0x520
[  695.304659]  ? bpf_prog_get+0x20/0x20
[  695.308475]  ? do_syscall_64+0x1b9/0x820
[  695.312529]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  695.317894]  ? syscall_return_slowpath+0x5e0/0x5e0
[  695.322823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.327666]  ? trace_hardirqs_on_caller+0x310/0x310
[  695.332693]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  695.337707]  ? prepare_exit_to_usermode+0x291/0x3b0
[  695.342764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  695.347620]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  695.353000] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #97
[  695.353081] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  695.359841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  695.359849] Call Trace:
[  695.366411] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  695.375679]  dump_stack+0x244/0x39d
[  695.378237] syz-executor4 cpuset=syz4 mems_allowed=0
[  695.388715]  ? dump_stack_print_info.cold.1+0x20/0x20
[  695.402579]  warn_alloc.cold.116+0xb7/0x1bd
[  695.406895]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.411736]  ? lock_downgrade+0x900/0x900
[  695.415884]  ? trace_hardirqs_off+0xb8/0x310
[  695.420325]  ? trace_hardirqs_off+0xb8/0x310
[  695.424734]  __alloc_pages_slowpath+0x2651/0x2de0
[  695.429595]  ? warn_alloc+0x120/0x120
[  695.433397]  ? warn_alloc+0x120/0x120
[  695.437428]  ? warn_alloc+0x120/0x120
[  695.441244]  ? print_usage_bug+0xc0/0xc0
[  695.445345]  ? print_usage_bug+0xc0/0xc0
[  695.449430]  ? lock_downgrade+0x900/0x900
[  695.453586]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  695.459154]  ? should_fail+0x22d/0xd01
[  695.463101]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.468231]  ? __lock_acquire+0x62f/0x4c20
[  695.472491]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  695.477606]  ? should_fail+0x22d/0xd01
[  695.481500]  ? mark_held_locks+0x130/0x130
[  695.485737]  ? mark_held_locks+0x130/0x130
[  695.489974]  ? debug_check_no_obj_freed+0x305/0x58d
[  695.495040]  ? drain_local_pages_wq+0x40/0x40
[  695.499537]  ? lockdep_hardirqs_on+0x296/0x5b0
[  695.504131]  ? trace_hardirqs_on+0xbd/0x310
[  695.508470]  ? kasan_check_read+0x11/0x20
[  695.512618]  ? debug_check_no_obj_freed+0x305/0x58d
[  695.517634]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.523171]  ? check_preemption_disabled+0x48/0x280
[  695.528205]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  695.533756]  ? rcu_pm_notify+0xc0/0xc0
[  695.537646]  __alloc_pages_nodemask+0xad8/0xea0
[  695.542313]  ? zap_class+0x640/0x640
[  695.546026]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  695.551047]  ? find_held_lock+0x36/0x1c0
[  695.555108]  ? ____cache_alloc_node+0x1c7/0x1e0
[  695.559781]  ? lock_downgrade+0x900/0x900
[  695.563944]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.569494]  cache_grow_begin+0xa5/0x8c0
[  695.573568]  ? do_raw_spin_unlock+0xa7/0x330
[  695.577977]  fallback_alloc+0x204/0x2e0
[  695.581967]  ____cache_alloc_node+0x1c7/0x1e0
[  695.586496]  kmem_cache_alloc+0x1f8/0x730
[  695.590656]  __build_skb+0xab/0x430
[  695.594287]  ? rcu_read_lock_sched_held+0x14f/0x180
[  695.599307]  ? skb_try_coalesce+0x1b70/0x1b70
[  695.603810]  ? __alloc_pages_nodemask+0xea0/0xea0
[  695.608656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.614194]  ? check_preemption_disabled+0x48/0x280
[  695.619220]  __napi_alloc_skb+0x1d6/0x310
[  695.623379]  page_to_skb.isra.45+0xee/0x8d0
[  695.627727]  ? check_preemption_disabled+0x48/0x280
[  695.632743]  ? virtnet_remove+0xf0/0xf0
[  695.636715]  ? rcu_read_unlock_special+0x1c0/0x1c0
[  695.641650]  ? kasan_check_read+0x11/0x20
[  695.645800]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  695.651092]  ? rcu_softirq_qs+0x20/0x20
[  695.655080]  receive_mergeable+0x155d/0x3a90
[  695.659528]  ? virtnet_probe+0x2240/0x2240
[  695.663820]  ? __lock_acquire+0x62f/0x4c20
[  695.668096]  ? mark_held_locks+0x130/0x130
[  695.672336]  ? mark_held_locks+0x130/0x130
[  695.676577]  ? mark_held_locks+0x130/0x130
[  695.680812]  ? print_usage_bug+0xc0/0xc0
[  695.684879]  ? mark_held_locks+0x130/0x130
[  695.689119]  ? zap_class+0x640/0x640
[  695.692834]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.698371]  ? wakeup_kcompactd+0x2f6/0x730
[  695.702713]  ? zap_class+0x640/0x640
[  695.706456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.712029]  ? __cpuset_node_allowed+0x19b/0x660
[  695.716957]  ? check_preemption_disabled+0x48/0x280
[  695.721979]  ? zap_class+0x640/0x640
[  695.725701]  ? wakeup_kswapd+0x304/0x7a0
[  695.729770]  ? isolate_lru_page+0x22e0/0x22e0
[  695.734277]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  695.739126]  ? lock_downgrade+0x900/0x900
[  695.743294]  ? trace_hardirqs_off+0xb8/0x310
[  695.747708]  ? trace_hardirqs_off+0xb8/0x310
[  695.752126]  ? __alloc_pages_slowpath+0x2651/0x2de0
[  695.757172]  ? print_usage_bug+0xc0/0xc0
[  695.761231]  ? print_usage_bug+0xc0/0xc0
[  695.765304]  ? warn_alloc+0x120/0x120
[  695.769133]  ? __lock_acquire+0x62f/0x4c20
[  695.773523]  ? print_usage_bug+0xc0/0xc0
[  695.777577]  ? print_usage_bug+0xc0/0xc0
[  695.781644]  ? update_curr+0x4cf/0xbd0
[  695.785548]  ? print_usage_bug+0xc0/0xc0
[  695.789612]  ? print_usage_bug+0xc0/0xc0
[  695.793695]  receive_buf+0xb3c/0x3270
[  695.797548]  ? print_usage_bug+0xc0/0xc0
[  695.801625]  ? __lock_acquire+0x62f/0x4c20
[  695.805870]  ? receive_mergeable+0x3a90/0x3a90
[  695.810477]  ? print_usage_bug+0xc0/0xc0
[  695.814539]  ? __lock_acquire+0x62f/0x4c20
[  695.818774]  ? mark_held_locks+0x130/0x130
[  695.823014]  ? mark_held_locks+0x130/0x130
[  695.827242]  ? zap_class+0x640/0x640
[  695.830975]  ? __lock_acquire+0x62f/0x4c20
[  695.835227]  ? find_held_lock+0x36/0x1c0
[  695.839297]  ? mark_held_locks+0x130/0x130
[  695.843542]  ? print_usage_bug+0xc0/0xc0
[  695.847606]  ? lock_downgrade+0x900/0x900
[  695.851753]  ? zap_class+0x640/0x640
[  695.855483]  ? find_held_lock+0x36/0x1c0
[  695.859549]  ? print_usage_bug+0xc0/0xc0
[  695.863608]  ? zap_class+0x640/0x640
[  695.867321]  ? zap_class+0x640/0x640
[  695.871039]  ? print_usage_bug+0xc0/0xc0
[  695.875104]  ? debug_object_activate+0x402/0x600
[  695.879874]  ? lock_downgrade+0x900/0x900
[  695.884041]  ? zap_class+0x640/0x640
[  695.887784]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  695.893323]  ? __radix_tree_lookup+0x3a7/0x500
[  695.897922]  ? zap_class+0x640/0x640
[  695.901647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  695.907672]  ? vring_use_dma_api+0xa5/0xc0
[  695.911916]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  695.917463]  ? vring_unmap_one+0x5a/0x410
[  695.921610]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  695.927141]  ? detach_buf+0x34b/0x5d0
[  695.930982]  ? __sanitizer_cov_trace_const_cmp2+0x18/0x20
[  695.936518]  ? virtqueue_get_buf_ctx+0x3d5/0x820
[  695.941287]  ? lock_downgrade+0x900/0x900
[  695.945476]  ? virtqueue_detach_unused_buf+0x220/0x220
[  695.950763]  ? __lock_acquire+0x62f/0x4c20
[  695.954994]  ? do_raw_spin_unlock+0xa7/0x330
[  695.959409]  ? do_raw_spin_trylock+0x270/0x270
[  695.964022]  virtnet_poll+0x421/0x105f
[  695.967934]  ? receive_buf+0x3270/0x3270
[  695.972000]  ? flush_rcu_work+0x90/0x90
[  695.975973]  ? estimation_timer+0x5d0/0x890
[  695.980294]  ? net_rx_action+0x4b5/0x19b0
[  695.984443]  ? net_rx_action+0x4b5/0x19b0
[  695.988588]  ? lockdep_hardirqs_on+0x296/0x5b0
[  695.993174]  ? call_timer_fn+0x2c0/0x920
[  695.997232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.002767]  ? check_preemption_disabled+0x48/0x280
[  696.007785]  net_rx_action+0x7fa/0x19b0
[  696.011776]  ? napi_complete_done+0x7c0/0x7c0
[  696.016270]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  696.021322]  ? find_held_lock+0x36/0x1c0
[  696.025391]  ? __run_timers+0xa20/0xc70
[  696.029375]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.033871]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.038365]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.042964]  ? trace_hardirqs_on+0xbd/0x310
[  696.047286]  ? kasan_check_read+0x11/0x20
[  696.051439]  ? __run_timers+0xa20/0xc70
[  696.055456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.060995]  ? _raw_spin_unlock_irq+0x60/0x80
[  696.065499]  ? __run_timers+0xa4a/0xc70
[  696.069473]  ? remove_entity_load_avg+0x228/0x2e0
[  696.074318]  ? __free_pages+0x149/0x190
[  696.078295]  ? timer_fixup_init+0x70/0x70
[  696.082474]  ? __phys_addr+0xa6/0x120
[  696.086292]  ? kasan_check_write+0x14/0x20
[  696.090533]  ? finish_task_switch+0x615/0x910
[  696.095026]  ? __switch_to_asm+0x40/0x70
[  696.099104]  ? preempt_notifier_register+0x200/0x200
[  696.104207]  ? __switch_to_asm+0x34/0x70
[  696.108267]  ? __switch_to_asm+0x40/0x70
[  696.112332]  ? __switch_to_asm+0x34/0x70
[  696.116392]  ? __switch_to_asm+0x40/0x70
[  696.120459]  ? __switch_to_asm+0x34/0x70
[  696.124533]  ? __switch_to_asm+0x40/0x70
[  696.128604]  ? pvclock_read_flags+0x160/0x160
[  696.133096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.138628]  ? check_preemption_disabled+0x48/0x280
[  696.143661]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  696.149196]  ? rcu_pm_notify+0xc0/0xc0
[  696.153099]  __do_softirq+0x308/0xb7e
[  696.156902]  ? trace_hardirqs_on_caller+0xc0/0x310
[  696.161866]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  696.166984]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  696.172444]  ? schedule+0x108/0x460
[  696.176070]  ? trace_hardirqs_on_thunk+0x1a/0x1c
[  696.180829]  ? trace_hardirqs_off+0xb8/0x310
[  696.185234]  ? smpboot_thread_fn+0x68b/0xa00
[  696.189641]  ? trace_hardirqs_on+0x310/0x310
[  696.194048]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.199595]  ? check_preemption_disabled+0x48/0x280
[  696.204607]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.210142]  ? takeover_tasklets+0xa90/0xa90
[  696.214551]  run_ksoftirqd+0x5e/0x100
[  696.218353]  smpboot_thread_fn+0x68b/0xa00
[  696.222588]  ? sort_range+0x30/0x30
[  696.226213]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  696.231317]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.236852]  ? __kthread_parkme+0xfb/0x1a0
[  696.241124]  ? sort_range+0x30/0x30
[  696.244801]  kthread+0x35a/0x440
[  696.248163]  ? kthread_stop+0x900/0x900
[  696.252149]  ret_from_fork+0x3a/0x50
[  696.255876] warn_alloc_show_mem: 1 callbacks suppressed
[  696.255903] CPU: 0 PID: 975 Comm: syz-executor4 Not tainted 4.20.0-rc3+ #97
[  696.255905] Mem-Info:
[  696.255949] active_anon:43385 inactive_anon:190 isolated_anon:0
[  696.255949]  active_file:9 inactive_file:19 isolated_file:0
[  696.255949]  unevictable:0 dirty:0 writeback:0 unstable:0
[  696.255949]  slab_reclaimable:9446 slab_unreclaimable:1463744
[  696.255949]  mapped:32787 shmem:244 pagetables:533 bounce:0
[  696.255949]  free:13754 free_pcp:438 free_cma:0
[  696.261292] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  696.268391] Node 0 active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 155648kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  696.270800] Call Trace:
[  696.303586] 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
[  696.312924]  <IRQ>
[  696.340407] lowmem_reserve[]: 0 2818 6321 6321
[  696.343011]  dump_stack+0x244/0x39d
[  696.369092] Node 0 DMA32 free:25168kB 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:2888776kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  696.371235]  ? dump_stack_print_info.cold.1+0x20/0x20
[  696.375789] lowmem_reserve[]: 0 0 3503 3503
[  696.379413]  warn_alloc.cold.116+0xb7/0x1bd
[  696.406708] Node 0 Normal free:13940kB min:37364kB low:46704kB high:56044kB active_anon:173540kB inactive_anon:760kB active_file:36kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:6752kB pagetables:2132kB bounce:0kB free_pcp:1504kB local_pcp:344kB free_cma:0kB
[  696.411889]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  696.416197] lowmem_reserve[]: 0 0 0 0
[  696.420510]  ? lock_downgrade+0x900/0x900
[  696.449457] 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
[  696.454292]  ? trace_hardirqs_off+0xb8/0x310
[  696.458072] Node 0 DMA32: 2*4kB (M) 1*8kB (U) 2*16kB (M) 3*32kB (M) 3*64kB (M) 2*128kB (M) 2*256kB (M) 3*512kB (UM) 4*1024kB (UM) 3*2048kB (UM) 3*4096kB (M) = 25168kB
[  696.462225]  ? trace_hardirqs_off+0xb8/0x310
[  696.475717] Node 0 Normal: 765*4kB (UMEH) 358*8kB (MEH) 199*16kB (MEH) 89*32kB (UMEH) 18*64kB (UMH) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 14004kB
[  696.480115]  __alloc_pages_slowpath+0x2651/0x2de0
[  696.495096] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  696.499514]  ? warn_alloc+0x120/0x120
[  696.515169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  696.519999]  ? print_usage_bug+0xc0/0xc0
[  696.528822] 272 total pagecache pages
[  696.532615]  ? warn_alloc+0x120/0x120
[  696.541170] 0 pages in swap cache
[  696.545222]  ? warn_alloc+0x120/0x120
[  696.548994] Swap cache stats: add 0, delete 0, find 0/0
[  696.552783]  ? print_usage_bug+0xc0/0xc0
[  696.556201] Free swap  = 0kB
[  696.560024]  ? kvm_clock_read+0x18/0x30
[  696.565357] Total swap = 0kB
[  696.569400]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  696.572392] 1965979 pages RAM
[  696.576367]  ? print_usage_bug+0xc0/0xc0
[  696.579363] 0 pages HighMem/MovableOnly
[  696.584368]  ? __lock_acquire+0x62f/0x4c20
[  696.587450] 342854 pages reserved
[  696.591529]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  696.595476] 0 pages cma reserved
[  696.599719]  ? should_fail+0x22d/0xd01
[  696.603262] ksoftirqd/1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  696.608678]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.608696]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.612038] ksoftirqd/1 cpuset=/ mems_allowed=0
[  696.615936]  ? __lock_acquire+0x62f/0x4c20
[  696.645463]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  696.650564]  ? __lock_acquire+0x62f/0x4c20
[  696.654814]  ? should_fail+0x22d/0xd01
[  696.658713]  ? rcu_irq_exit+0x1a2/0x390
[  696.662695]  ? mark_held_locks+0x130/0x130
[  696.666953]  ? mark_held_locks+0x130/0x130
[  696.671207]  ? mark_held_locks+0xc7/0x130
[  696.675355]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  696.680371]  ? zap_class+0x640/0x640
[  696.684081]  ? print_usage_bug+0xc0/0xc0
[  696.688146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.693684]  ? check_preemption_disabled+0x48/0x280
[  696.698714]  ? __lock_is_held+0xb5/0x140
[  696.702788]  __alloc_pages_nodemask+0xad8/0xea0
[  696.707458]  ? zap_class+0x640/0x640
[  696.711183]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  696.716206]  ? find_held_lock+0x36/0x1c0
[  696.720276]  ? ____cache_alloc_node+0x1c7/0x1e0
[  696.724944]  ? lock_downgrade+0x900/0x900
[  696.729114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.734647]  cache_grow_begin+0xa5/0x8c0
[  696.738699]  ? do_raw_spin_unlock+0xa7/0x330
[  696.743139]  fallback_alloc+0x204/0x2e0
[  696.747643]  ____cache_alloc_node+0x1c7/0x1e0
[  696.752140]  kmem_cache_alloc_node+0xe3/0x730
[  696.756632]  ? ipv6_get_ifaddr+0x42e/0x620
[  696.760876]  __alloc_skb+0x119/0x770
[  696.764585]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  696.769864]  ? netdev_alloc_frag+0x1f0/0x1f0
[  696.774268]  ? lock_downgrade+0x900/0x900
[  696.778427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.783998]  ? refcount_sub_and_test_checked+0x203/0x310
[  696.789465]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  696.794939]  ? addrconf_rs_timer+0x690/0x690
[  696.799353]  ndisc_alloc_skb+0x144/0x340
[  696.803415]  ndisc_send_rs+0x331/0x6e0
[  696.807316]  addrconf_rs_timer+0x314/0x690
[  696.811550]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.815809]  call_timer_fn+0x272/0x920
[  696.819692]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.823933]  ? process_timeout+0x40/0x40
[  696.828016]  ? __run_timers+0x7da/0xc70
[  696.831988]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.836475]  ? _raw_spin_unlock_irq+0x27/0x80
[  696.841307]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.845549]  ? lockdep_hardirqs_on+0x296/0x5b0
[  696.850128]  ? trace_hardirqs_on+0xbd/0x310
[  696.854479]  ? kasan_check_read+0x11/0x20
[  696.858621]  ? __run_timers+0x7da/0xc70
[  696.862595]  ? trace_hardirqs_off_caller+0x310/0x310
[  696.867698]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.872107]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  696.876349]  __run_timers+0x7e5/0xc70
[  696.880151]  ? timer_fixup_init+0x70/0x70
[  696.884295]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  696.889311]  ? zap_class+0x640/0x640
[  696.893025]  ? enqueue_hrtimer+0x1a5/0x560
[  696.897262]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  696.902461]  ? find_held_lock+0x36/0x1c0
[  696.906634]  ? zap_class+0x640/0x640
[  696.910350]  ? pvclock_read_flags+0x160/0x160
[  696.914845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.920384]  ? check_preemption_disabled+0x48/0x280
[  696.925410]  ? __lock_is_held+0xb5/0x140
[  696.929482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.935018]  ? check_preemption_disabled+0x48/0x280
[  696.940039]  run_timer_softirq+0x52/0xb0
[  696.944107]  ? rcu_read_lock_sched_held+0x14f/0x180
[  696.949176]  __do_softirq+0x308/0xb7e
[  696.952980]  ? ktime_get_raw_ts64+0x4d0/0x4d0
[  696.957477]  ? lock_downgrade+0x900/0x900
[  696.961632]  ? __irqentry_text_end+0x1f9658/0x1f9658
[  696.966743]  ? pvclock_read_flags+0x160/0x160
[  696.971244]  ? lapic_next_event+0x5a/0x90
[  696.975432]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.980991]  ? kvm_clock_read+0x18/0x30
[  696.984977]  ? kvm_sched_clock_read+0x9/0x20
[  696.989384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  696.994924]  ? check_preemption_disabled+0x48/0x280
[  696.999946]  irq_exit+0x17f/0x1c0
[  697.003399]  smp_apic_timer_interrupt+0x1cb/0x760
[  697.008243]  ? smp_reschedule_interrupt+0x109/0x650
[  697.013302]  ? smp_call_function_single_interrupt+0x650/0x650
[  697.019209]  ? interrupt_entry+0xb5/0xc0
[  697.023287]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.028303]  ? trace_hardirqs_off_caller+0xbb/0x310
[  697.033318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.038163]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.043189]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.048226]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.053071]  apic_timer_interrupt+0xf/0x20
[  697.057331]  </IRQ>
[  697.059565] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  697.064490] Code: 7e 0f 85 cf fe ff ff e8 a6 ed 3d ff e9 c5 fe ff ff e8 4d 23 c3 ff 48 83 3d e5 6b 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 5a bd
[  697.083384] RSP: 0000:ffff888190b7f6f8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  697.091094] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  697.098355] RDX: 0000000000000000 RSI: ffff8881917b0e80 RDI: 0000000000000286
[  697.105627] RBP: ffff888190b7f760 R08: ffff8881917b0600 R09: 0000000000000000
[  697.112888] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  697.120147] R13: ffff8881d9beec00 R14: ffff8881d9beec00 R15: 0000000000480020
[  697.127461]  skb_clone+0x1bb/0x500
[  697.130998]  ? finish_task_switch+0x2f4/0x910
[  697.135504]  ? skb_split+0x11e0/0x11e0
[  697.139427]  ? preempt_notifier_register+0x200/0x200
[  697.144560]  ? __switch_to_asm+0x34/0x70
[  697.148615]  ? __switch_to_asm+0x34/0x70
[  697.152670]  ? __switch_to_asm+0x40/0x70
[  697.156737]  ? __switch_to_asm+0x34/0x70
[  697.160792]  ? __switch_to_asm+0x40/0x70
[  697.164844]  ? __switch_to_asm+0x34/0x70
[  697.168898]  ? __switch_to_asm+0x40/0x70
[  697.172950]  ? __switch_to_asm+0x34/0x70
[  697.177003]  ? __switch_to_asm+0x34/0x70
[  697.181058]  ? __switch_to_asm+0x40/0x70
[  697.185112]  ? __switch_to_asm+0x34/0x70
[  697.189172]  bpf_clone_redirect+0xb9/0x490
[  697.193415]  ? __schedule+0x8d7/0x21d0
[  697.197324]  bpf_prog_bebbfe2050753572+0xa11/0x1000
[  697.202369]  ? __sched_text_start+0x8/0x8
[  697.206517]  ? lockdep_hardirqs_on+0x3bb/0x5b0
[  697.211104]  ? retint_kernel+0x2d/0x2d
[  697.214998]  ? trace_hardirqs_on_caller+0xc0/0x310
[  697.219928]  ? find_held_lock+0x36/0x1c0
[  697.224000]  ? lock_acquire+0x1ed/0x520
[  697.227976]  ? bpf_test_run+0x3ee/0x7a0
[  697.231997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.237564]  ? check_preemption_disabled+0x48/0x280
[  697.242588]  ? kasan_check_read+0x11/0x20
[  697.246748]  ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170
[  697.252024]  ? rcu_softirq_qs+0x20/0x20
[  697.255996]  ? preempt_schedule+0x4d/0x60
[  697.260139]  ? ___preempt_schedule+0x16/0x18
[  697.264568]  ? bpf_test_run+0x271/0x7a0
[  697.268550]  ? netlink_diag_dump+0x2a0/0x2a0
[  697.272953]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.278485]  ? bpf_test_init.isra.10+0x70/0x100
[  697.283168]  ? bpf_prog_test_run_skb+0x762/0xd60
[  697.287931]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.292801]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  697.298339]  ? fput+0x130/0x1a0
[  697.301624]  ? __bpf_prog_get+0x9b/0x290
[  697.305691]  ? bpf_test_finish.isra.9+0x1f0/0x1f0
[  697.310559]  ? bpf_prog_test_run+0x130/0x1a0
[  697.314975]  ? __x64_sys_bpf+0x3d8/0x520
[  697.319039]  ? bpf_prog_get+0x20/0x20
[  697.322852]  ? do_syscall_64+0x1b9/0x820
[  697.326904]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  697.332326]  ? syscall_return_slowpath+0x5e0/0x5e0
[  697.337245]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.342099]  ? trace_hardirqs_on_caller+0x310/0x310
[  697.347108]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  697.352141]  ? prepare_exit_to_usermode+0x291/0x3b0
[  697.357178]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  697.362044]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  697.367431] CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 4.20.0-rc3+ #97
[  697.367496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  697.374283] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  697.374287] Call Trace:
[  697.374304]  dump_stack+0x244/0x39d
[  697.374322]  ? dump_stack_print_info.cold.1+0x20/0x20
[  697.380934] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  697.390149]  warn_alloc.cold.116+0xb7/0x1bd
[  697.392698] syz-executor4 cpuset=syz4 mems_allowed=0
[  697.396322]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  697.426166]  ? lock_downgrade+0x900/0x900
[  697.430318]  ? trace_hardirqs_off+0xb8/0x310
[  697.434725]  ? trace_hardirqs_off+0xb8/0x310
[  697.439138]  __alloc_pages_slowpath+0x2651/0x2de0
[  697.444030]  ? warn_alloc+0x120/0x120
[  697.447849]  ? warn_alloc+0x120/0x120
[  697.451652]  ? warn_alloc+0x120/0x120
[  697.455461]  ? print_usage_bug+0xc0/0xc0
[  697.459522]  ? print_usage_bug+0xc0/0xc0
[  697.463582]  ? lock_downgrade+0x900/0x900
[  697.467740]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  697.473279]  ? should_fail+0x22d/0xd01
[  697.477166]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.482281]  ? __lock_acquire+0x62f/0x4c20
[  697.486514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  697.491635]  ? should_fail+0x22d/0xd01
[  697.495543]  ? mark_held_locks+0x130/0x130
[  697.499776]  ? mark_held_locks+0x130/0x130
[  697.504203]  ? debug_check_no_obj_freed+0x305/0x58d
[  697.509221]  ? drain_local_pages_wq+0x40/0x40
[  697.513715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.519352]  ? check_preemption_disabled+0x48/0x280
[  697.524372]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  697.530003]  ? check_preemption_disabled+0x48/0x280
[  697.535246]  ? rcu_lockdep_current_cpu_online+0x1a4/0x210
[  697.540981]  ? rcu_pm_notify+0xc0/0xc0
[  697.544871]  __alloc_pages_nodemask+0xad8/0xea0
[  697.549705]  ? zap_class+0x640/0x640
[  697.553430]  ? __alloc_pages_slowpath+0x2de0/0x2de0
[  697.558458]  ? find_held_lock+0x36/0x1c0
[  697.562523]  ? ____cache_alloc_node+0x1c7/0x1e0
[  697.567323]  ? lock_downgrade+0x900/0x900